CN202930316U - Temperature-sensitive electric switch - Google Patents
Temperature-sensitive electric switch Download PDFInfo
- Publication number
- CN202930316U CN202930316U CN2012203067688U CN201220306768U CN202930316U CN 202930316 U CN202930316 U CN 202930316U CN 2012203067688 U CN2012203067688 U CN 2012203067688U CN 201220306768 U CN201220306768 U CN 201220306768U CN 202930316 U CN202930316 U CN 202930316U
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- China
- Prior art keywords
- section
- spring element
- leg
- contact
- electric switch
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- Expired - Lifetime
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H2037/549—Details of movement transmission between bimetallic snap element and contact
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Push-Button Switches (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The utility model relates to a temperature-sensitive electric switch which comprises: a springing element which is prepared from thermal bimetal and is preferably a springing plate; a spring element which is used as a movable contact section; a fixed contact section; a pressure pin which is used as a connection device between the springing element and the spring element; a pin guide device; a shell; and a cover. In order to reduce the number of components of the electric switch, a switch bridge unit fixed in the shell is mounted. The switch bridge unit is composed of a switch bridge and a plastic part (16). The switch bridge comprises a first member and a second member, wherein the first member forms a first terminal section (10) and the fixed contact section (12); and the second member forms a second terminal section (11) and a connection section (13). The spring element is fixed on the connection section. The first member and the second member are inserted in the plastic part are connected with each other through the plastic part, and their relative position is fixed.
Description
Technical field
The utility model relates to a kind of thermally sensitive electric switch, comprising: the springing element made from the thermo bimetal, preferred springing dish; Spring element is as movable contact section; Fixing contact section, described movable contact section can be towards described fixedly contact section motion in order to make the contact closure; Press-on pins is as the effect jockey between springing element and the spring element; Pin guide; Housing; And lid.
In addition, the utility model also relates to a kind of for the manufacture of the method according to thermally sensitive electric switch of the present utility model.
Background technology
Thermally sensitive electric switch is used for according to temperature transition in other words closure and/or interruptive current loop, for example in calorifier as cutoff device, as overload protection arrangement or be generally used for boiler.Therefore, title " thermoregulator " is also commonly used for this switch.
The structure of described thermoregulator comprises the springing element made from the thermo bimetal as thermally sensitive element, and described springing element is configured to the springing dish usually.The springing dish can be configured to circle or have other shape, such as square, rectangle etc. at this.
The springing dish has arching, for example is the form of flat ball collar, and described arching great-jump-forward when low and high springing temperature changes.At this, spring element motion, described spring element does not have with fixing contact element with fixing contact element contacts and in other arching state in an arching state of springing dish and contacts.As the effect jockey between springing dish and the spring element, use the press-on pins in pin guide, be directed to, it is isolated that described press-on pins is preferably configured as electricity.Pass to spring element for fear of slowly (" simulation the ") stroke that turns the springing dish that is bound in another arching state since an arching state, press-on pins does not contact with spring element with the springing dish in an arching state of springing dish simultaneously.When the springing dish that turns bullet carried out slowly unexpected (" numeral ") stroke, press-on pins just contacted with spring element simultaneously with the springing dish.Avoid thus forming spark.
Have following structure by the known thermoregulator of prior art, wherein, spring element makes with fixing contact element and basically contacts.At first, in order to realize gratifying contact, contact rivet setting on spring element with one.In ensuing process by means of connection rivet with the in other words housing riveted joint of terminal and thermoregulator of spring element and connector, wherein, housing is made of plastics usually.Another contact rivet is assemblied in fixedly on the contact element.Then, also by connection rivet the fixedly contact element in another terminal and the housing is riveted.
Next, pin guide is put and determine distance between the reclining of the pressure spot of spring element and springing dish.Now, the press-on pins with corresponding length is installed.As last manufacturing step, described dish is installed and will be covered with housing and preferably be connected by crimping.
As the shortcoming of described structure, what at first should be mentioned that is that the quantity of part is large.In addition, the design of part seldom is applicable to automated production.In addition, the pre-tensioning of spring element in other words contact force can not proofread and correct again and be relevant with the tolerance of a plurality of members.Interrelating therewith, what should be mentioned that is terminal and spring element and fixedly contact element is by the riveted joint of plastic casing, and described riveted joint is rule of thumb become flexible along with the time.This causes conductivity poor and transfer characteristic and the initial generation deviation of adjusting.
The utility model content
The purpose of this utility model is, provides a kind of thermoregulator in other words for the manufacture of the method for described thermoregulator, and wherein, above-mentioned shortcoming is avoided.Especially the automation possibility in this will realize the part minimizing and produce is improved.In addition, realize the terminal of thermally sensitive electric switch and fixing contact element in other words between the spring element not only mechanical aspects and also aspect electric lasting stability ground be connected.
Thermally sensitive electric switch comprises the springing element made with the thermo bimetal, spring element, as press-on pins, pin guide, housing and the lid of the effect jockey between springing element and the spring element, according to the utility model, the minimizing of the part of described thermally sensitive electric switch is by realizing that with switch bridge unit described switch bridge unit itself only has part seldom.Specifically, switch bridge unit is comprised of switch bridge and working of plastics, and itself only forms described switch bridge by first and second.First and second of the switch bridge is embedded in the described working of plastics, mechanical connection each other thus, and electricity is isolated mutually, and the position is fixed toward each other.Switch bridge unit can be fixing in housing on can be according to the switch displacement of expectation and the length of press-on pins predetermined position.
First comprises the first terminal section and fixing contact section.Second jointing and the second terminal section that has for spring element.In other words, the first terminal section with fixedly contact section and the second terminal section and jointing and be configured to respectively one.
Spring element is movable contact section and in order to make contact closed and can be towards the motion of fixing contact section.At this, press-on pins is as the effect jockey between springing dish and the spring element.Therefore, thermally sensitive electric switch comprises: the springing element made from the thermo bimetal, preferred springing dish; Spring element is as movable contact section; Fixing contact section, movable contact section can be towards described fixedly contact section motion in order to make the contact closure; Press-on pins is as the effect jockey between springing element and the spring element; Pin guide; Housing; And lid, in described thermally sensitive electric switch, according to the utility model proposes, be provided with the switch bridge unit that is fixed in the housing, described switch bridge unit is comprised of switch bridge and working of plastics, the switch bridge forms by first and second, wherein, first forms the first terminal section and fixedly contacts section, second forms the second terminal section and jointing, spring element is fixed on the described jointing, and first and second is embedded in the working of plastics, by working of plastics be connected to each other and toward each other the position fix.
In order to make the terminal section can be used as connector, described terminal section stretches out from working of plastics.Fixing contact section also stretches out from working of plastics, in order to can contact by spring element.Correspondingly, propose in a preferred embodiment according to switch of the present utility model, the first terminal section is with the second terminal section and fixedly contact section and stretch out from working of plastics at least.
As first and second materials'use metal being used for the switch bridge.On the one hand, described metal can conduct electricity, on the other hand, can be in a step first and second of punching out on bonding jumper, this has simplified production.Correspondingly, propose in a preferred embodiment according to switch of the present utility model, first and second of the switch bridge relates separately to and uses metal pressing product.
After punching out, first at first have basically flat and on wide significance L-shaped shape.A section of L shaped shape forms by the first terminal section and the first central section, and another section of L shaped shape forms by fixing contact section.Therefore fixing contact section forms first end regions of switch bridge.
In order to use in according to switch of the present utility model, fixing contact section is bent upwards from the plane of the first central section and deviates from the end that the first central section points to again crooked at it.Thus, crooked fixedly contact section itself it seems that formation is L shaped.The common U-shaped with the first leg, middle part and second leg that forms of fixing contact section and the first central section.At this, the first central section forms the first leg.Fixing contact section forms middle part and the second leg that is connected with the first leg, and described the second leg is basically namely except extending in parallel with respect to the first leg 5 ° of deviations at the most.Preferred the first leg and middle part and middle part and the second leg accompany respectively a right angle.Correspondingly, in a preferred embodiment according to switch of the present utility model, propose, fixing contact section forms first end regions of switch bridge, wherein, first by the first terminal section, the first central section with fixedly contact section and form, fixing contact section is L-shaped, and bending is out from the plane of the first central section, fixing contact section and the first central section form has the first leg, the U-shaped of middle part and the second leg, wherein, the first central section forms the first leg, and fixing contact section forms second leg and the middle part substantially parallel with respect to the first leg.
Thus, fixedly obtaining first character shape after the contact element bending, described character shape based on: fixedly the bending of the contact element curve of going for a stroll carries out, be in situation in the plane identical with the first central section for the first terminal section, namely before the bending of the first terminal section possibility, described sweep extends abreast with respect to the longitudinal axis of the first terminal section.Last described situation at first directly obtains after the punching out process, and there, fixedly the contact element section also is in the plane identical with the first central section.Correspondingly, in a preferred embodiment according to switch of the present utility model, propose, middle part is crooked around the first sweep with respect to the first leg, described the first sweep extends abreast with respect to the longitudinal axis of the first terminal section, the second leg is crooked around the second sweep with respect to middle part, and described the second sweep extends abreast with respect to the first sweep.
Fixing contact section preferably carries out at the second leg by the spring element contact.In a particularly preferred embodiment according to switch of the present utility model, spring element is fixed on second the jointing of switch bridge with an end again, is connected with the second terminal section conduction thus.
In order to make spring element and fixedly to contact section and contact especially reliably, in a particularly preferred form of implementation according to switch of the present utility model, propose, be mounted with respectively the wide part of a contact-type on the spring element and on fixing contact section, wherein, the wide part of described two contact-types contacts with each other to preferred flat in contact position.In other words, in contact position, spring element contacts section connection each other in an electrically conductive with being connected.
In a particularly preferred form of implementation according to switch of the present utility model, second jointing of switch bridge is in the plane identical with the first central section of first of switch bridge.At this, the zone that is connected with the first central section that jointing is arranged on fixing contact section is the middle part opposite in other words.Because fixing contact section carries out and the second leg is not in the plane identical with the first central section in any case at the second leg by the spring element contact, so spring element has the bending of U-shaped.Institute proposes in a particularly preferred form of implementation according to switch of the present utility model in other words, the spring element bending that takes the shape of the letter U.Thus, guarantee on the one hand, the free end of spring element be in basically with respect to the plane parallel of the second leg and than the plane of the first central section with respect in the obvious littlely isolated plane of described the second leg, the fixing contact that contacts section is undertaken by described free end.On the other hand, act on the spring element to the crooked authorized pressure pin near normal of U-shaped, in other words, the longitudinal axis of press-on pins is with respect to spring element and the face perpendicular press-on pins Mechanical Contact.This ensures that springing dish is connected with good especially effect between the spring element, ensures reliably thus and changes.
Correspondingly, propose in a particularly preferred form of implementation according to switch of the present utility model, spring element has free end, is used for and fixing contact element contacts.For better contact, on free end, can be mounted with the wide part of contact-type.This for spring element be not take the shape of the letter U bending but for example leave obliquely jointing stretch to fixing contact section in other words the situation of the second leg also be significant.
Certainly, scheme also can be considered as an alternative, and jointing stretches out towards the direction of the second leg from the plane of the first central section.In the case, spring element can only be configured to strip and flat, then will be in the parallel plane plane with respect to the first central section, with free end near the second leg.
Should be noted still that for this reason stretching out especially of jointing can realize by the bending of jointing---with the similar mode of above-mentioned bending that fixedly contacts section.In other words, itself it seems that the jointing of respective curved will have the jointing of L shaped in other words respective curved and at least one zone of second of switch bridge forms U-shaped.
In a particularly preferred form of implementation according to switch of the present utility model, spring element is in the contact position in principle, because this ensures stable especially conductivity.When the springing dish turned bullet, press-on pins was pressed on the spring element, then, electrically contacted interruption.In the case, according to the utility model proposes, the wide part of contact-type is placed on the side of pointing to towards the first leg of the second leg.Correspondingly, the free end of spring element is arranged between the first leg and the second leg.The wide part of contact-type that the bending of U-shaped is placed in this realization on the free end of spring element is pressed on the wide part of contact-type of fixing contact section particularly well.
Certainly, also can give chapter and verse such form of implementation of switch of the present utility model: in this form of implementation, spring element is not in the contact position in principle, in order to may design more simply the fixing bending operation that contacts necessity of section and spring element under the situation.In the case, when the springing dish turned bullet, press-on pins was pressed on the spring element and makes and electrically contacts closure.If thinking to contact carries out at the second leg, then the second leg is arranged between the free end of the first leg and spring element.Correspondingly, propose in a form of implementation according to switch of the present utility model, the free end of spring element has the while towards the side of the first leg and the second leg.For the purpose of contact better, to settle the wide part of a contact-type in the described side of the free end of spring element, and settle the wide part of a contact-type in the side towards the free end of spring element of the second leg similarly, that yes is suitable for this.
Obtain thus having second shape of fixing spring element, described shape is similar with first the character shape that fixedly contacts section with bending.Second shape with fixing spring element exists with first the character shape mirror image ground that fixedly contacts section with bending.At this, to decide on form of implementation, the normal distance between the free end of spring element and the first central section is less than or greater than the normal distance between the second leg and the first Central element, and wherein, normal distance is measured with respect to the first central section normal direction ground.Therefore, propose in a particularly preferred form of implementation according to switch of the present utility model, for the situation of the crooked spring element in U-shaped ground, the opening of the U-shaped of spring element points to the opening of the U-shaped that forms by the first leg, middle part and the second leg.
Be not the crooked situation that takes the shape of the letter U for spring element, can propose similarly with former case that jointing forms second end regions of switch bridge, wherein, second is comprised of the second terminal section, the second central section and jointing.U-shaped forms by spring element, jointing and the second central section at this.Correspondingly, in a particularly preferred form of implementation according to switch of the present utility model, propose, jointing forms second end regions of switch bridge, wherein, second is comprised of the second terminal section, the second central section and jointing, the second central section, jointing and spring element form U-shaped, and the opening of described U-shaped points to the opening of the U-shaped that forms by the first leg, middle part and the second leg.It should be noted that for this reason that in this form of implementation spring element is in principle can be very suitably crooked, and needn't absolute structure Cheng Ping.
In another the particularly preferred form of implementation according to switch of the present utility model, to be replenished with the similarity of first shape, its mode is to propose, the second terminal section arranges abreast with respect to the first terminal section.At this, the terminal section arranges especially alignedly.
Corresponding with above-mentioned form of implementation, according to the utility model, in the method for the manufacture of thermally sensitive electric switch, propose, for optimizing structure that the part of realizing switch reduces, described method comprises the steps:
-by means of punching out module first and second of punching out switch bridge on bonding jumper, wherein, first forms the first terminal section and fixing contact section, second jointing that forms the second terminal section and be used for spring element;
-spring element is fixed on the jointing with an end;
-with first and second with parts of plastics ground injection encapsulated;
-will fix the contact section to bend in the position that takes the shape of the letter U with the first central section of first, wherein, the first central section forms the first leg, and fixing contact section forms second leg and the middle part substantially parallel with respect to the first leg.
Punching out refers on bonding jumper, and first still is connected with bonding jumper after punching out with being connected, rather than separates with described bonding jumper fully.By first and second is retained on the bonding jumper, can realizes locating very quickly and accurately and continue without any problems to carry to other tool model and in other tool model.Therefore, be comprised of the modules formula functional block that in succession arranges each other for the manufacture of the instrument of thermally sensitive electric switch, wherein, the quantity of described modular functional block and order can be predetermined.
For executive basis method of the present utility model, for example following structure is fine: the punching out module that is used for first of on bonding jumper punching out and second; The assemble welding module that is used for the fixing spring element; Being used in addition is fixed on spring element and the assemble welding module that fixedly contacts on the section with the wide part of contact-type; The crooked module that is used for the jogged terminal end wing; Be used for the pressure injection module with first of parts of plastics ground injection encapsulated and second; The crooked module that is used for the flexural spring element; The crooked module that is used for crooked fixing contact section in addition; And the last punching out module that is used for going out from the bonding jumper punching out first and second.
It should be noted that for this reason certain job step in other words the order of module can change.For example the bending of the terminal wing also can carried out after a while constantly.Sometimes also advantageously, punching out is only constantly just being carried out after a while, so as with switch bridge unit at first bonding jumper be transported to other machine/instrument in other words tool model be used for further processing.
Because by the switch bridge first of fixing contact section and the first terminal section is configured to one each other, so ensure the most probable stable connection of mechanical aspects not only but also electric aspect.Use the rivet that easily is disturbed in this cancellation.
In a particularly preferred form of implementation according to method of the present utility model, produce simultaneously first and second of switch bridge by means of the punching out module.Save time thus and one or more production stages---when for make first and second toward each other the purpose of location consider may necessity job step the time.
In addition, when punching out, on first and second of switch bridge, can form hole and/or contact pin.Described hole and/or contact pin ensure the plastics that remain on best for first of injection encapsulated and second.By injection encapsulated, first and second very accurately location and position are fixed toward each other.
In order not only to realize linking of lasting stability in mechanical aspects but also aspect electric between spring element and the jointing, in a particularly preferred form of implementation according to method of the present utility model, propose, carry out spring element fixing on jointing by spot welding or by the upsetting pressure engaging process.Can save thus the rivet that easily is disturbed that use also can become other part for this reason.
To electrically contact in order improving, to be provided with the wide part of contact-type.Correspondingly, in a particularly preferred form of implementation according to method of the present utility model, propose, before injection encapsulated partly, respectively the wide part of contact-type is fixed on the free end of spring element and on the fixing contact section.
Similarly, propose in a particularly preferred form of implementation according to method of the present utility model, for example spot welding or laser welding are carried out the wide part of contact-type at spring element and/or fixing on fixing contact section by welding process.Also can save the rivet that easily is disturbed that use also can become other part for this reason at this thus, although do not get rid of in principle the use rivet.
For ensure the connection possibility on the terminal section and for do not damage spring element on fixing contact section contact and the transfer characteristic of switch is not caused adverse effect thus, in a particularly preferred form of implementation according to method of the present utility model, propose, first of injection encapsulated switch bridge partly during with second at least not injection encapsulated the first terminal section with the second terminal section and fixedly contact section.In other words, the first terminal section and the second terminal section and fixedly contact section and stretch out from the working of plastics that produces when the injection encapsulated.
In order to protect being connected of spring element and jointing, the also connection end of injection encapsulated spring element when injection encapsulated is partly proposed in a particularly preferred form of implementation according to method of the present utility model.
In addition, on the connection end of spring element, can be provided with guarantee and remain on best hole and/or contact pin in the plastics.In any case, the connection end by injection encapsulated also Optimal Spring element is with respect to first and second location of switch bridge, and the connection end of spring element on being fixed on jointing also additionally the position fix.
In order to realize guarantee a spring element and the form of implementation that fixedly contacts the stable especially conductivity between the section of switch, fixing contact section is crooked like this, so that spring element contacts in principle with the described section that fixedly contacts.In other words, spring element is in the contact position thus in principle.When the springing dish turned bullet, press-on pins was pressed on the spring element, then, electrically contacted interruption.
Correspondingly, before the bending of fixing contact section, spring element bends to a shape towards the direction of fixing contact section, preferably bends to U-shaped.Therefore, propose in a preferred form of implementation according to method of the present utility model, spring element bends to the shape of preferred U-shaped towards the direction of fixing contact section, and the bending of spring element was carried out before the bending of fixing contact section.
Correspondingly, fixing contact section then must be crooked like this, so that the free end of spring element is arranged between the first leg and the second leg and preferred contact-type exterior feature part contacts each other planarly.Therefore, in a particularly preferred form of implementation according to method of the present utility model, propose, when the fixing contact of bending section the free end of spring element is arrived in the contact position between the first leg and the second leg, in described contact position, the wide part of contact-type contacts with each other.Because not only fixing contact section but also spring element arrive in the contact position by means of bending operation, so, contact force can on purpose be affected and be matched with current requirement, and spring element is pressed on the fixing contact section in other words two wide parts of contact-type with described contact force and mutually presses with described contact force.
As mentioned above, at bonding jumper upper punch fixture advantage is arranged: first still is connected with bonding jumper and therefore can be without any problems and be transported to rapidly other tool model with being connected, and its invariant position respect to one another.In other words, cancelled for making first and second job step of reorientating toward each other at next tool model, thus, the quantity of method step minimizes.
Therefore, propose in another the preferred form of implementation according to method of the present utility model, being fixed in the assemble welding module of spring element carried out at bonding jumper.
Similarly, propose in another the preferred form of implementation according to method of the present utility model, wide being fixed in the assemble welding module of part of contact-type carried out at bonding jumper.
Correspondingly, in according to a particularly preferred form of implementation of method of the present utility model, also propose, in the pressure injection module, carrying out on the bonding jumper with parts of plastics ground injection encapsulated.
As described in, the terminal wing can be crooked on bonding jumper.Therefore, in another the preferred form of implementation according to method of the present utility model, propose, in crooked module on bonding jumper the terminal wing of crooked the first terminal section and the second terminal section.
At last, the terminal section is flexible in predetermined terminal location, and in described terminal location, described terminal section is used for connecting.Correspondingly, in a preferred form of implementation according to method of the present utility model, propose, preferably in crooked module, on bonding jumper, the first terminal section and the second terminal section are bent in the terminal location.
Description of drawings
Describe the utility model in detail by means of embodiment now.Accompanying drawing is exemplary, although should explain the utility model design, never should limit or even repeat at last the utility model and conceive.Accompanying drawing represents:
Fig. 1 is that the axle of thermally sensitive electric switch is surveyed view;
Fig. 2 is the vertical view of thermally sensitive electric switch;
Fig. 3 is the cross section view according to the hatching line A-A among Fig. 2 of thermally sensitive electric switch;
Fig. 4 is the cross section view according to the hatching line B-B among Fig. 2 of thermally sensitive electric switch;
Fig. 5 is by the vertical view of first and second switch bridge that forms of punching out;
Fig. 6 is that the axle of switch bridge is surveyed view, has fixing spring element and the fixing wide part of contact-type;
Fig. 7 is that the axle of switch bridge unit is surveyed view, has fixing spring element and the fixing wide part of contact-type;
Fig. 8 is that the axle of switch bridge unit is surveyed view, has spring element and fixedly contact section in contact position, has the terminal section in terminal location, has fixing contact section in prospect;
Fig. 9 is another three-dimensional view of Fig. 8, has spring element in prospect.
Reference numerals list:
1 switch
2 springing dishes
3 switch bridges
4 housings
5 press-on pins
6 spring elements
7 lids
First of 8 switch bridges
Second of 9 switch bridges
10 the first terminal sections
11 second terminal sections
12 fixing contact sections
13 are used for the jointing of spring element
The wide part of the contact-type of 14 spring elements
The wide part of the contact-type of 15 fixing contact sections
16 working of plasticss
17 pin guides
18 contact positions
The terminal location of 19 terminal sections
20 switch bridge unit
21 first central section
22 first legs
23 middle parts
24 second legs
The free end of 25 spring elements
The anchor portion of 26 spring elements
The inner flange of 27 housings
The wing of 28 the first terminal sections
The wing of 29 second terminal sections
30 are used for the sweep of the wing of the first terminal section
31 are used for the sweep of the wing of the second terminal section
32 support components
The inboard of 33 housings
The first sweep of 34 fixing contact sections
The second sweep of 35 fixing contact sections
36 second central section
The sweep of 37 the first terminal sections
The sweep of 38 second terminal sections
The longitudinal axis of 39 the first terminal sections
Embodiment
Illustrated among Fig. 1 according to the axle of thermally sensitive electric switch 1 of the present utility model and surveyed view, described thermally sensitive electric switch is also referred to as thermoregulator.Described thermally sensitive electric switch has preferred housing 4 made of plastic, and described housing seals by means of lid 7 in a side.At this, the lid 7 preferably with metal for example aluminium make, be connected with housing 4 by flanging.In addition, can see the first terminal section 10 and the second terminal section 11 among Fig. 1, described the first terminal section and the second terminal section are used for being electrically connected from the outside.
Fig. 2 shows the vertical view of the switch 1 of Fig. 1, the hatching line A-A that shows with grass and B-B and the arrow that provides corresponding direction of visual lines.
Fig. 3 shows the cross section view according to the hatching line A-A among Fig. 2.Can see being at this and make and have the springing dish 2 of the arching of circular profile with the thermo bimetal in the first arching state.In described the first arching state that exists under initial temperature, springing dish 2 is stacked on the inner flange 27 of housing 4.
Press-on pins 5 is close in described arching state in other words in described position but does not contact springing dish 2 and be supported on the spring element 6, and does not exert pressure at spring element 6.As appreciable among the Fig. 4 that shows according to the cross section view of the hatching line B-B among Fig. 2, at this, spring element 6 in contact position 18 with fixedly contact section 12 contacts.Exactly, be fixed on the free end 25 of spring element 6 the wide part 14 of contact-type be fixed on the contact-type exterior feature part 15 that fixedly contacts on the section 12 and exist face to contact.
Take the shape of the letter U bending and be fixed on the jointing 13 with its another end 26 of spring element 6.Jointing 13 is on second 9 of switch bridge 3 (comparison diagram 5), and the second terminal section 11 also is like this.In other words, spring element 6 is connected with the second terminal section 11 conductively.
Fixing contact section 12 also is on first 8 of switch bridge 3 (comparison diagram 5), and the first terminal section 10 also is like this.In other words, fixing contact section 12 is connected with the first terminal section 10 conductively.Thus, in contact position 18, two terminal sections 10,11 are connected to each other conductively.
First 8 and second 9 of switch bridge 3 are embedded in the working of plastics 16.On the one hand, electricity is isolated toward each other to pass through working of plastics 16 for first 8 and second 9.On the other hand, working of plastics 16 makes first 8 and second 9 and locates toward each other and its position is fixed.At last, housing 4 is fixed on the working of plastics 16.First 8, second 9 and working of plastics 16 formation switch bridge unit 20.
If springing dish 2 is its arching state of flip-flop under certain the first temperature that usually improves with respect to initial temperature, then 2 opposings of springing dish are covered 7 and are pressed down and be pressed on the press-on pins 5, so described press-on pins dead spring element 6 again.In this way, electrically contact interruption between the first terminal section 10 and the second terminal section 11.Press-on pins 5 in this motion by pin guide 17(comparison diagram 3) guiding.
Usually with respect to the first temperature obviously under the low temperature, springing dish 2 jumps back to again in the arching state shown in Fig. 3 and Fig. 4 at another.Spring element 6 can bounce back into now in the contact position 18 and at this press-on pins 5 is moved in the position shown in Fig. 3 and Fig. 4 by pin guide 17.
Directly first 8 and second 9 by means of punching out module (not shown) simultaneously after a bonding jumper (not shown) upper punch makes, Fig. 5 shows the vertical view of switch bridge 3.First 8 this as second 9, form flat element and with as described in second be in the same plane.
Can be clear that among Fig. 5 that first has the shape of the L that has rotated 90 ° at wide significance, wherein, fixing contact section 12 forms the section of L.Another section of L forms by the first central section 21 and the first terminal section 10.Can see the wing 28 of the first terminal section 10 at this, the described wing is further around 180 ° of sweep 30 bendings shown in the dotted line.Similarly, also can see the corresponding wing 29 of the second terminal section 11 among Fig. 5, the described wing is further around 180 ° of sweep 31 bendings shown in the dotted line.
Fig. 6 shows the axle of switch bridge 3 and surveys view, and wherein, the wide part 15 of contact-type preferably is fixed on the fixing contact section 12 by spot welding or laser welding.Spring element 6 with end 26 preferably by spot welding or by the upsetting pressure engaging process in other words the TOX process be fixed on the jointing 13.The wide part 14 of contact-type also preferably is fixed on the free end 25 of spring element 6 by spot welding or laser welding.
Axle at Fig. 7 is surveyed in the view, and first 8 and second 9 of the switch bridge have been embedded in the working of plastics 16 in other words with plastic injection-moulded sealing, described first and second and described working of plastics formation switch bridge unit 20.In addition, for support housing 4, working of plastics 16 has support component 32, and described support component stretches out from the plane (for example comparison diagram 6) of the first central section 21 and the inboard 33 of housing 4 is supported on (comparison diagram 3) on the described support component.
Survey in the view at the axle of Fig. 8, fixing contact section 12 and spring element 6 bend in the contact position 18.For this reason, fixing contact section 12 is along the first sweep 34(comparison diagram 5) from out 90 ° of the plain bendings of the first central section 21, then along the second sweep 35(comparison diagram 5) 90-degree bent again.Thus, the first central section 21 forms the first leg 22 of U-shaped now, and fixing contact section 12 forms middle part 23 and the second leg 24.For the purpose of observing easily, the first sweep 34 can be regarded the first central section 21 and the imaginary boundary that fixedly contacts between the section 12 as.As long as from the plain bending of the first central section 21 out, not only the first sweep 34 but also the second sweep 35 do not extend comparison diagram 5, Fig. 6 and Fig. 7 abreast with respect to the longitudinal axis 39 of described the first terminal section for the first terminal section 10.
Fig. 9 shows the axle of the object of Fig. 8 and surveys view under another direction of visual lines, have the anchor portion 26 of spring element 6 in prospect.Terminal section 10,11 is herein in terminal location 19.Compare with Fig. 6, terminal section 10,11 is at this difference 90-degree bent, and is exactly crooked with respect to support component 32 antiparallels ground.Go for a stroll for the first terminal section 10 curve 37 of described bending extends, and curve 38 extensions of going for a stroll for the second terminal section 11 for are referring to Fig. 5.For the purpose of observing easily, sweep 37 can be regarded imaginary boundary between the first terminal section 10 and the first central section 21 as at this.Similarly, for the purpose of observing easily, sweep 38 can be regarded the second terminal section 11 of second 9 and the imaginary boundary between the second central section 36 as.
Claims (15)
1. a thermally sensitive electric switch (1) comprising: the springing element made from the thermo bimetal; Spring element (6) is as movable contact section; Fixing contact section (12), described movable contact section can be towards described fixedly contact section motion in order to make the contact closure; Press-on pins (5) is as the effect jockey between springing element and the spring element (6); Pin guide (17); Housing (4); And lid (7), it is characterized in that: be provided with the switch bridge unit (20) that is fixed in the described housing (4), described switch bridge unit is comprised of switch bridge (3) and working of plastics (16); Described switch bridge (3) is comprised of first (8) and second (9), wherein, described first (8) form the first terminal section (10) and the described section (12) that fixedly contacts, described second (9) form the second terminal section (11) and jointing (13), and described spring element (6) is fixed on the described jointing; Described first (8) and described second (9) are embedded in the described working of plastics (16), by described working of plastics (16) be connected to each other and toward each other the position fix.
2. according to claim 1 thermally sensitive electric switch (1), it is characterized in that: described springing element is springing dish (2).
3. according to claim 1 thermally sensitive electric switch (1), it is characterized in that: described at least the first terminal section (10) stretches out from described working of plastics (16) with described the second terminal section (11) and the described section (12) that fixedly contacts.
4. according to claim 1 to one of 3 thermally sensitive electric switch (1), it is characterized in that: first (8) and second (9) of described switch bridge (3) are respectively to use metal pressing product.
5. according to claim 1 to one of 3 thermally sensitive electric switch (1), it is characterized in that: described fixedly contact section (12) forms the end regions of first (8) of described switch bridge (3), wherein, described first (8) are comprised of described the first terminal section (10), the first central section (21) and the described section (12) that fixedly contacts; Described fixedly contact section (12) is L-shaped, and bending is out from the plane of described the first central section (21); Described fixedly contact section (12) and described the first central section (21) form the U-shaped with the first leg (22), middle part (23) and second leg (24), wherein, described the first central section (21) forms described the first leg (22), described fixedly contact section (12) form described middle part (23) and with substantially parallel described the second leg (24) of described the first leg (22).
6. according to claim 5 thermally sensitive electric switch (1), it is characterized in that: around the first sweep (34) bending, described the first sweep extends with respect to the longitudinal axis (39) of described the first terminal section (10) described middle part (23) abreast with respect to described the first leg (22); Around the second sweep (35) bending, described the second sweep and described the first sweep (34) extend described the second leg (24) abreast with respect to described middle part (23).
7. according to claim 1 to one of 3 thermally sensitive electric switch (1), it is characterized in that: go up and on described fixedly contact section (12), be mounted with respectively the wide part (14 of a contact-type at described spring element (6), 15), wherein, the described wide parts of two contact-types (14,15) contact with each other in contact position (18).
8. according to claim 5 thermally sensitive electric switch (1), it is characterized in that: described spring element (6) has free end (25), is used for contacting with described fixedly contact element (12).
9. according to claim 8 thermally sensitive electric switch (1), it is characterized in that: the free end (25) of described spring element (6) is arranged between described the first leg (22) and described the second leg (24).
10. according to claim 8 thermally sensitive electric switch (1) is characterized in that: the free end of described spring element (6) has simultaneously the side towards described the first leg (22) and described the second leg (24).
11. thermally sensitive electric switch (1) according to claim 5 is characterized in that: described spring element (6) bending that takes the shape of the letter U.
12. thermally sensitive electric switch (1) according to claim 11 is characterized in that: the opening of the described spring element (6) of U-shaped points to the opening of the U-shaped that is formed by described the first leg (22), described middle part (23) and described the second leg (24).
13. thermally sensitive electric switch (1) according to claim 5, it is characterized in that: described jointing (13) forms the end regions of second (9) of described switch bridge (3), wherein, described second (9) are comprised of described the second terminal section (11), the second central section (36) and described jointing (13); Described the second central section (36), described jointing (13) and described spring element (6) form U-shaped, and the opening of this U-shaped points to the opening of the U-shaped that is formed by described the first leg (22), described middle part (23) and described the second leg (24).
14. thermally sensitive electric switch (1) according to claim 12 is characterized in that: described the second terminal section (11) arranges abreast with respect to described the first terminal section (10).
15. thermally sensitive electric switch (1) according to claim 13 is characterized in that: described the second terminal section (11) arranges abreast with respect to described the first terminal section (10).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1332012 | 2012-04-10 | ||
| ATGM133/2012 | 2012-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202930316U true CN202930316U (en) | 2013-05-08 |
Family
ID=48220252
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203067688U Expired - Lifetime CN202930316U (en) | 2012-04-10 | 2012-06-27 | Temperature-sensitive electric switch |
| CN201210216967.4A Expired - Fee Related CN103367034B (en) | 2012-04-10 | 2012-06-27 | Thermally sensitive electric switch and the method being used for manufacturing described electric switch |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210216967.4A Expired - Fee Related CN103367034B (en) | 2012-04-10 | 2012-06-27 | Thermally sensitive electric switch and the method being used for manufacturing described electric switch |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2650897B1 (en) |
| CN (2) | CN202930316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367034A (en) * | 2012-04-10 | 2013-10-23 | 电子装置车间武姆布工程师有限公司 | Temperature-sensitive electrical switch and method for producing same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104103455B (en) * | 2014-06-30 | 2017-08-04 | 佛山市高明西特电器有限公司 | A kind of temperature detect switch (TDS) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4669182A (en) * | 1984-01-23 | 1987-06-02 | Therm-O-Disc, Incorporated | Method of gaging a snap disc condition sensor |
| JPS60164743U (en) * | 1984-04-11 | 1985-11-01 | 株式会社ボッシュオートモーティブ システム | thermo switch |
| JP3820055B2 (en) * | 1999-04-16 | 2006-09-13 | ウチヤ・サーモスタット株式会社 | Thermal protector |
| KR20000020485U (en) * | 1999-05-07 | 2000-12-05 | 윤종용 | 3-pole thermostat |
| KR200386836Y1 (en) * | 2005-03-21 | 2005-06-16 | 엘에스산전 주식회사 | A Thermal Overload Relay |
| CN202930316U (en) * | 2012-04-10 | 2013-05-08 | 电子装置车间武姆布工程师有限公司 | Temperature-sensitive electric switch |
-
2012
- 2012-06-27 CN CN2012203067688U patent/CN202930316U/en not_active Expired - Lifetime
- 2012-06-27 CN CN201210216967.4A patent/CN103367034B/en not_active Expired - Fee Related
-
2013
- 2013-04-10 EP EP13163124.4A patent/EP2650897B1/en not_active Not-in-force
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367034A (en) * | 2012-04-10 | 2013-10-23 | 电子装置车间武姆布工程师有限公司 | Temperature-sensitive electrical switch and method for producing same |
| CN103367034B (en) * | 2012-04-10 | 2016-12-21 | 电子装置车间武姆布工程师有限公司 | Thermally sensitive electric switch and the method being used for manufacturing described electric switch |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2650897B1 (en) | 2016-06-29 |
| EP2650897A1 (en) | 2013-10-16 |
| CN103367034B (en) | 2016-12-21 |
| CN103367034A (en) | 2013-10-23 |
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