CN203312160U - Electric contact piece, binding post and temperature controller both comprising electric contact piece - Google Patents
Electric contact piece, binding post and temperature controller both comprising electric contact piece Download PDFInfo
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- CN203312160U CN203312160U CN2013202948902U CN201320294890U CN203312160U CN 203312160 U CN203312160 U CN 203312160U CN 2013202948902 U CN2013202948902 U CN 2013202948902U CN 201320294890 U CN201320294890 U CN 201320294890U CN 203312160 U CN203312160 U CN 203312160U
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- electric contact
- contact point
- silver
- contact
- temperature controller
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Abstract
The utility model relates to an electric contact piece, a binding post and a temperature controller both comprising the electric contact piece. The electric contact piece comprises a main body with a contact end, and a contact layer disposed on the contact end, wherein the main body comprises a first material, and the contact layer comprises a second material which does not comprise the first material. The electric contact piece also comprises a fixed end on with a connection hole. The electric contact piece provided by the utility model is provided with the contact layer, and the contact layer can be made into layers with various kinds of shapes, thereby improving the performance of electric contact and further prolonging the service life.
Description
Technical field
Binding post and temperature controller that the utility model relates to a kind of electric contact point and comprises described electric contact point.
Background technology
Electric contact point is element commonly used in the electronic devices and components such as appliance switch, miniature circuit breaker, relay and little load contactor, and the quality of contact performance directly affects the electrical property of switch.The contact that prior art exists is that embedded fine silver materials processing forms in copper base-plates surface position.Fig. 1 shows the electric contact point contact layer of prior art and the physical structure of copper sheet.This structure is opened the groove of certain depth on the surface of copper backing 10, then by exerting pressure, certain thickness contact layer 11 is embedded in groove.Due to this structure flakiness shape, the electric contact point that embedded processing technology is made has the problems such as surface cleanness is not high, surface quality problems (crackle, cut), contact contact resistance problem, contact surface moulding again, rate of finished products is low, production efficiency is low.Embedded contact layer is limited to by the position of groove, and when electric contact point connected built on the sand, its contact point easily shifted, and caused contact performance bad, affected control appliance.And the production technology processing cost of the embedded contact layer of this kind is high.
Therefore, need to improve electric contact point of the prior art, improve its contact performance in the situation that do not increase cost.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of contact performance the good electric contact point that can be used for temperature controller, and described electric contact point comprises,
Main body with contact jaw, described contact jaw has first surface;
Be arranged on the contact layer on described first surface;
Wherein, described main body comprises the first material, and described contact layer comprises the second material that does not comprise the first material.
The second material welding or the mechanical compaction of the described contact layer of above-mentioned electric contact point connect or electroplate on the first surface of the contact jaw that is coated in described electric contact point.
Described first material of above-mentioned electric contact point comprises copper or copper alloy, and described the second material comprises silver or silver alloy.
Described second material of above-mentioned electric contact point is silver strip or silver-colored nickel compound or silver-bearing copper nickel compound.
The described silver strip of above-mentioned electric contact point or silver-colored nickel compound or silver-bearing copper nickel compound are square or circular.
The described main body of above-mentioned electric contact point also comprises and the described contact jaw end that is relatively fixed, and described stiff end is provided with connecting hole.
The described contact jaw of above-mentioned electric contact point is positioned at the quadrature relative direction of described stiff end.
The utility model also provides a kind of binding post, comprise: terminal support, described terminal support comprises inner chamber, in described inner chamber, be provided with elastic contact blade, in described inner chamber, also be provided with above-mentioned arbitrary electric contact point, one end of described elastic contact blade can contact with the contact layer of described electric contact point, and the other end of described elastic contact blade connects the first wire by described terminal support, and the other end of described electric contact point connects the second wire by described terminal support.
The utility model also provides a kind of temperature controller, comprises above-mentioned binding post, push rod, temperature sensing part; Described temperature sensing part temperature sensor, when the temperature of responding to was equal to or higher than predetermined temperature, the described push rod described elastic contact blade of promotion of described temperature sensing part control and described electric contact point were disconnected from each other.
The described temperature sensing part of said temperature controller is bimetal leaf.
The described temperature control equipment of said temperature controller also comprises the cover plate with centre bore, and a side of described cover plate is adjacent with the inner chamber of described terminal support; Described push rod can cross described centre bore, and described temperature sensing part is located at the opposite side of described cover plate.
The electric contact point that the utility model embodiment provides can be used for binding post and temperature controller, on the one hand, because the first surface of described electric contact point is provided with contact layer, makes the contact range of electric contact point larger, thereby has improved the contact performance of electric contact point; On the other hand, the described contact layer of described electric contact point is located on its first surface, and technique is simple, is convenient to produce; The 3rd, described electric contact point surface is the various shapes of moulding again, improve targetedly the contact performance of electric contact point.
Preferably, the second material of described electric contact point can be arranged on the main body of described electric contact point in a different manner according to different conditions of demand.
Further, described main part comprises the first material, and described contact layer comprises the second material that does not comprise the first material.Described the first material comprises copper or copper alloy, and described the second material comprises silver or silver alloy, due to silver strip, is arranged on the first surface of main part, makes the contact layer of described electric contact point have better contact performance.
Alternatively, described the second material can also, for silver-colored nickel compound or silver nickel copper compound, can reduce costs.
Further, described silver strip or silver-colored nickel compound or silver nickel copper compound are square or are circular on the first surface of described main part, make the contact scope of electric contact point larger, further improve the contact performance of electric contact point.
The described binding post that the utility model embodiment provides also comprises the elastic contact blade coordinated with described electric contact point, described elastic contact blade and described electric contact point are separately fixed in the inner chamber of described binding post, when described binding post is in confined state, described elastic contact blade contacts with the contact layer of described electric contact point, due to described contact layer, be arranged on the first surface of described electric contact point, make the contact scope between elastic contact blade and described electric contact point larger, when the contact point of described elastic contact blade and described electric contact point is offset to some extent in the long course of work, binding post of the present utility model still can keep contact performance preferably.
The temperature controller that the utility model embodiment provides comprises above-mentioned binding post, because the contact performance of binding post is better, further makes described temperature controller have contact performance preferably.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embedded electric contact point of the prior art;
Fig. 2 is the schematic diagram of a kind of electric contact point of providing of the utility model;
Fig. 3 is the end view of electric contact point shown in Figure 2;
Fig. 4 is the schematic diagram of a kind of binding post of providing of the utility model;
Fig. 5 is the side cutaway view of a kind of temperature controller of providing of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is described further.Following description related to the preferred embodiment is only exemplary, and is never the restriction to the utility model and application or usage.
Fig. 2 shows a kind of electric contact point 20 of the utility model embodiment, described electric contact point 20 comprises main body 21, described main body 21 comprises contact jaw 22 and stiff end 23, described contact jaw 22 has first surface, the first surface of described contact jaw 22 is provided with for the contact layer 24 contacted with other contacts, and described stiff end 23 is provided with the connecting hole 25 be used to being connected and fixed described electric contact point 20 be used in conjunction with miscellaneous part.
In the utility model embodiment, described main body 21 comprises the first material, described contact layer 24 comprises second material different from described the first material, and the electric conductivity of described the second material is better than the performance of described the first material, makes the contact performance of contact jaw better.Particularly, described the first material comprises copper, and described the second material comprises silver or silver alloy.Because contact layer is used silver or silver alloy, make the better performances of described electric contact point.
Preferably, the second material that described contact layer is used also can comprise silver-colored nickel compound or silver-bearing copper nickel compound, the contact resistance of silver nickel compound or silver-bearing copper nickel compound is low and stable, simultaneously, the electric contact point of silver nickel compound or silver-bearing copper nickel compound has retained that fine silver contact resistivity is low, the advantage of good conductivity, the not starting the arc, has again the advantages such as hardness is high, high temperature resistant, wear-resistant, anti-oxidant, the arc extinguishing ability is strong, the life-span is long simultaneously.Has good economic benefit.Should be understood that, described the second material also can adopt other metalized ag compounds according to the occasion of using, or other contact materials.
Fig. 3 shows the end view of described electric contact point 20, and in conjunction with Fig. 2 Fig. 3, the described contact layer 24 on the first surface of described contact jaw 22 can be sheet, and as shown in Figure 3, described contact layer 24 is positioned on the outer surface of described contact jaw 22.Described contact layer in the utility model embodiment is square, but optional, described contact layer can be also circular.In the preferred version of this embodiment, the thickness of contact layer is 0.005 ± 0.003 inch, with welding or mechanical compaction connects or the mode of electroplating is coated on the first surface of contact jaw 22.
The utility model embodiment has also protected a kind of binding post, Fig. 4 shows the schematic diagram of this binding post, described binding post comprises terminal support 40, described terminal support 40 has inner chamber, in described inner chamber, be provided with the electric contact point 20 in elastic contact blade 30 and above-described embodiment, described electric contact point 20 is separately positioned in described inner chamber with described elastic contact blade 30; In the inner chamber of described main part 41, also be provided with two through holes, be respectively used to connect electric contact point 20 and elastic contact blade 30.With described electric contact point 20, described elastic contact blade 30 has contact jaw 31 and stiff end 32 equally, when described binding post is in confined state, the contact jaw 31 of described elastic contact blade 30 contacts with the contact layer on the contact jaw 22 of described electric contact point 20, on the stiff end 32 of described elastic contact blade 30, also be provided with through hole 33, described binding post is respectively by the fixing described elastic contact blade 30 of two connecting pins 42 and described electric contact point 20, particularly, the through hole 25 that described connecting pin 42 passes respectively the through hole 33 of described elastic contact blade 30 and described electric contact point 20 extends to the bottom of described main part 41, one end of described connecting pin 42 is fixed on described electric contact point 20 or described elastic contact blade 30 in the inner chamber of described main part 41, the other end of described connecting pin 42 connects respectively the first wire and the second wire, facilitate described binding post to be connected with miscellaneous part.Herein, described the first wire and the second wire also can be substituted by the terminal of other conductions.
When described electric contact point 20 was in confined state with described elastic contact blade 30, the contact jaw 22 of described electric contact point 20 was in contact with one another with the contact jaw 31 of described elastic contact blade 30.Particularly, its contact is positioned on the contact layer 24 of described contact jaw 22, because the position of contact layer 24 on described electric contact point 20 is larger, make the scope of its contact larger, when described electric contact point 20 or described elastic contact blade 30 produced skew in installation process, described electric contact point 20 still had contact performance preferably with described elastic contact blade 30.
In the present embodiment, due to the limited space of the inner chamber of described main part 41, described electric contact point 20 is bending shape, and particularly, the described contact jaw 22 of described electric contact point 20 is positioned at the quadrature relative direction of described stiff end 23; In like manner, described elastic contact blade 30 is rugosity in described inner chamber.
The utility model embodiment also provides a kind of temperature controller, and described temperature controller comprises above-mentioned electric contact point and binding post; Fig. 5 shows the sectional view of the temperature controller of the present embodiment, and described temperature controller 50 also comprises the cover plate 51 with centre bore 52, is arranged on the push rod 53 in described centre bore 52 and is positioned at the temperature sensing part 54 on described cover plate 51;
Described cover plate 51 parts are nested on the opening of described main part 41, and described push rod 53 has opposite two ends, and an end of described push rod 53 contacts with described temperature sensing part 54, and the other end contacts with described elastic contact blade 30; But described temperature sensing part 54 temperature sensors, during lower than the predetermined temperature of described temperature controller 50, described elastic contact blade 30 also forms power-on circuit with described electric contact point 20 physical contacts when the temperature of temperature sensing part 54 induction; When the temperature of described temperature sensing part 54 inductions is equal to or greater than predetermined temperature, the described push rod 53 of described temperature sensing part 54 biasing, further promotion is positioned at the elastic contact blade 30 of an end of push rod 53, makes described elastic contact blade 30 physically disconnected from each other with described electric contact point 20, open circuit.Described temperature controller is by the disconnection and the function that engaged control temperature of elastic contact blade with electric contact point.Particularly, described temperature sensing part can be a kind of bimetal leaf, and described temperature controller is a kind of bi-metal temperature controller.Described temperature sensing part can also be specifically temperature sensor or other temperature-detecting devices.
In described temperature controller 50, the first surface of the contact jaw 22 of described electric contact point 20 is provided with the contact layer 24 of silver strip or silver-colored nickel compound or silver nickel copper compound, makes between electric contact point 20 and described elastic contact blade 30 and has good contacting.Optionally, on the outer surface of the contact jaw 31 contacted with described electric contact point 20 of described elastic contact blade 30, can be provided with equally the contact layer of silver strip or silver-colored nickel compound or silver nickel copper compound, can make equally described temperature controller have good contact performance.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model.All any modifications of doing, be equal to replacement, improvement etc. within spirit of the present utility model and principle, all be included in protection range of the present utility model.
Claims (11)
1. an electric contact point, is characterized in that, described electric contact point comprises,
Main body with contact jaw, described contact jaw has first surface;
Be arranged on the contact layer on described first surface;
Wherein, described main body comprises the first material, and described contact layer comprises the second material that does not comprise the first material.
2. electric contact point according to claim 1, is characterized in that, the second material welding or the mechanical compaction of described contact layer connect or electroplate on the first surface of the contact jaw that is coated in described electric contact point.
3. electric contact point according to claim 1, is characterized in that, described the first material comprises copper or copper alloy, and described the second material comprises silver or silver alloy.
4. electric contact point according to claim 1, is characterized in that, described the second material is silver strip or silver-colored nickel compound or silver-bearing copper nickel compound.
5. electric contact point according to claim 4, is characterized in that, described silver strip or silver-colored nickel compound or silver-bearing copper nickel compound are square or circular.
6. according to the arbitrary described electric contact point of claim 1-4, it is characterized in that, described main body also comprises and the described contact jaw end that is relatively fixed, and described stiff end is provided with connecting hole.
7. electric contact point according to claim 6, is characterized in that, described contact jaw is positioned at the quadrature relative direction of described stiff end.
8. binding post, comprise: terminal support, described terminal support comprises inner chamber, in described inner chamber, be provided with elastic contact blade, it is characterized in that, in described inner chamber, also be provided with described electric contact point as arbitrary as claim 1 to 7, an end of described elastic contact blade can contact with the contact layer of described electric contact point, the other end of described elastic contact blade connects the first wire by described terminal support, and the other end of described electric contact point connects the second wire by described terminal support.
9. a temperature controller, is characterized in that, comprises binding post as claimed in claim 8, push rod, temperature sensing part; Described temperature sensing part temperature sensor, when the temperature of responding to was equal to or higher than predetermined temperature, the described push rod described elastic contact blade of promotion of described temperature sensing part control and described electric contact point were disconnected from each other.
10. temperature controller according to claim 9, is characterized in that, described temperature sensing part is bimetal leaf.
11. temperature controller according to claim 9, is characterized in that, described temperature controller also comprises the cover plate with centre bore, and a side of described cover plate is adjacent with the inner chamber of described terminal support; Described push rod can cross described centre bore, and described temperature sensing part is located at the opposite side of described cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202948902U CN203312160U (en) | 2013-05-20 | 2013-05-20 | Electric contact piece, binding post and temperature controller both comprising electric contact piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202948902U CN203312160U (en) | 2013-05-20 | 2013-05-20 | Electric contact piece, binding post and temperature controller both comprising electric contact piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312160U true CN203312160U (en) | 2013-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202948902U Expired - Lifetime CN203312160U (en) | 2013-05-20 | 2013-05-20 | Electric contact piece, binding post and temperature controller both comprising electric contact piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312160U (en) |
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2013
- 2013-05-20 CN CN2013202948902U patent/CN203312160U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: EMERSON ELECTRIC (ZHUHAI) CO., LTD. Free format text: FORMER OWNER: EMERSON ELECTRIC (SHENZHEN) CO., LTD. Effective date: 20150330 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518101 SHENZHEN, GUANGDONG PROVINCE TO: 519000 ZHUHAI, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150330 Address after: 519000 B zone and R & D building, No. 3, No. 5, No. 1 road, Zhuhai hi tech Zone, Guangdong, China Patentee after: EMERSON ELECTRIC (ZHUHAI) CO.,LTD. Address before: Shenzhen City, Guangdong province Baoan District 518101 District 69 Liu Xian Lu Bao Heng Industrial Park, the first building 1-3 layer Patentee before: EMERSON ELECTRIC (SHENZHEN) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |