CN108206119A - Fixed small size vacuum environmental protection switch - Google Patents
Fixed small size vacuum environmental protection switch Download PDFInfo
- Publication number
- CN108206119A CN108206119A CN201611169042.3A CN201611169042A CN108206119A CN 108206119 A CN108206119 A CN 108206119A CN 201611169042 A CN201611169042 A CN 201611169042A CN 108206119 A CN108206119 A CN 108206119A
- Authority
- CN
- China
- Prior art keywords
- environmental protection
- small size
- fixed small
- swing arm
- protection switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of fixed small size vacuum environmental protection to switch, including：Major loop device, major loop device includes pole and the guide holder being located on pole, it limits vacuum interrupter between pole and guide holder, is equipped with static contact in vacuum extinction room, guide holder is equipped with to be moved and moving contact in vacuum extinction room is stretched into one end relative to guide holder；Transmission device, transmission device includes being connected with moving contact and is suitable for the transmission guide rod that moving contact is driven to be moved relative to guide holder, the swing arm being swingably located on pole, the transmission mechanism for swing arm to be driven to swing, and transmission mechanism is suitable for driving swing arm swing and drives transmission guide rod movement so that moving contact is contacted or detached with static contact.Fixed small size vacuum environmental protection switch according to the present invention, simple in structure, it can be achieved that Miniaturization Design, the connection between each structure member is reliable, and security performance is high, good environmental protection.
Description
Technical field
The present invention relates to electric system field of switch equipment, are opened more particularly, to a kind of fixed small size vacuum environmental protection
It closes.
Background technology
Switch is one of key equipment of power supply and distribution industry, in the relevant technologies, in the case where meeting vacuum extinction condition,
Mostly using VS1 switches or VD4 switches (VS1 is switched and VD4 switches are vacuum circuit breaker), both switches are sealed for compound inslation
Closed type structure, vacuum interrupter, insulated tension pole, touch spring, be driven contact connecting lever be closed in insulating cylinder and metal
In babinet, switch after manufactory completes general assembly debugging, can not just test moving contact (moving part including insulated tension pole)
Movement velocity, and the movement velocity of moving contact directly affects the separating brake of switch, the speed closed a floodgate, and is to judge switch point, close short circuit
The important indicator of current capacity, thus user scene can not control switch performance, and above two switch volume it is bigger than normal,
It can be very big using the floor space of the power supply unit of both switches.
If choosing the switch of small volume, the switch in the relevant technologies is mainly with SF6(sulfur hexafluoride) gas is exhausted
Edge medium, however SF6It is a kind of not environmentally gas with extremely strong greenhouse effects, can have been resolved under high-temperature electric arc effect
Malicious product is not suitable with the growth requirement of modern electric industry.
Invention content
The present invention is directed at least solve one of technical problem in the prior art.For this purpose, one object of the present invention
It is to propose a kind of fixed small size vacuum environmental protection switch, this fixed small size vacuum environmental protection construction of switch is simple, dismounting side
Just, it can be achieved that Miniaturization Design, connection, reliable transmission between each structure member, security performance is high, good environmental protection, and just
In installation speed measuring device.
Fixed small size vacuum environmental protection switch according to the present invention, including：Major loop device, the major loop device include
Pole and the guide holder being located on the pole, limit vacuum between the pole and the guide holder and go out
Arc chamber, is equipped with static contact in the vacuum extinction room, and the guide holder is equipped with to be moved and one end relative to the guide holder
Stretch into the moving contact in the vacuum extinction room；Transmission device, the transmission device include being connected and being suitable for the moving contact
The moving contact is driven relative to the guide holder transmission guide rod moved, the pendulum being swingably located on the pole
Arm, the transmission mechanism for the swing arm to be driven to swing, one end of the swing arm are pivotly connected with the transmission guide rod,
The other end of the swing arm is pivotly connected with the transmission mechanism, and the transmission mechanism is suitable for the swing arm is driven to swing band
The dynamic transmission guide rod movement is so that the moving contact is contacted or detached with the static contact.
Fixed small size vacuum environmental protection switch according to the present invention, passes through the transmission for being set as being sequentially connected by transmission device
Guide rod, swing arm and transmission mechanism, transmission mechanism driving swing arm swing to drive transmission guide rod movement to realize moving contact
The combined floodgate or separating brake of fixed small size vacuum environmental protection switch are completed in contact or separation with static contact, fixed small-sized true as a result,
The structure that idle loop protects switch is simple, convenient for disassembly and assembly, it can be achieved that Miniaturization Design, connection, reliable transmission between each structure member,
Security performance is high, good environmental protection, meanwhile, be placed in non-enclosed shell when fixed small size vacuum environmental protection switch in use,
Speed measuring device can be installed on fixed small size vacuum environmental protection switch, user to be facilitated to control fixed small size vacuum environmental protection at any time
The performance indicator of switch.
In addition, fixed small size vacuum environmental protection switch according to the present invention can also have following additional technical feature：
According to one embodiment of present invention, the transmission guide rod has moving hole, and described one end of the swing arm can
It is movably located in the moving hole, described one end of the swing arm is equipped with impeller, and the transmission guide rod is equipped with elasticity
Part, when direction movement of the swing arm drive transmission guide rod towards the static contact, the impeller is suitable for pushing institute
Elastic component is stated only to support with the moving contact.
According to one embodiment of present invention, the elastic component is spring, and the spring is set in the transmission guide rod
On.
According to one embodiment of present invention, the both ends of the elastic component are respectively equipped with cover board.
According to one embodiment of present invention, the moving hole is the axially extending strip along the transmission guide rod
Hole.
According to one embodiment of present invention, the transmission mechanism includes：First shackle rod；Second shackle rod, institute
The one end for stating the second shackle rod is pivotly connected with first shackle rod, the other end of second shackle rod with
The other end of the swing arm is pivotly connected.
According to one embodiment of present invention, the fixed small size vacuum environmental protection switch includes at least one major loop
Group, the major loop group include three major loop devices, and three major loop devices are driven by same drive shaft, institute
The transmission mechanism that drive shaft is stated with three major loop devices is connected.
According to one embodiment of present invention, the drive shaft is splined shaft.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of fixed small size vacuum environmental protection switch according to embodiments of the present invention；
Fig. 2 is the rearview of the fixed small size vacuum environmental protection switch shown in Fig. 1；
Fig. 3 is the sectional view of the line A-A along Fig. 1, wherein switching connecting lever and operating mechanism is not shown；
Fig. 4 is the enlarged drawing in B portions that Fig. 3 centre circles show；
Fig. 5 is the partial schematic diagram of the operating mechanism shown in Fig. 1.
Reference numeral：
100：Fixed small size vacuum environmental protection switch；
1：Major loop device；
11：Pole；11a：Vacuum interrupter；11b：Screw hole；111：Static contact；12：Guide holder；12a：Through-hole；
121：Fixed block；13：Watch chain fingertip；
14：Moving contact；141：Moving contact ontology；142：Conducting rod；
2：Transmission device；
21：It is driven guide rod；21a：Moving hole；211：Connector；22：Swing arm；221：Impeller
23：Transmission mechanism；231：First shackle rod；232：Second shackle rod；
24：Elastic component；241：Cover board；
10：Major loop group；20：Drive shaft；20a：Sealing element；
30：Mounting bracket；31：Damper；32：Limit connecting lever；40：Mounting rail；50：Switching connecting lever；
60：Operating mechanism；61：Control cam；62：Output toggle arm；63：Live roller；64：Pawl；65：Separating brake holding is turned
Arm；66：Separating brake semiaxis；67：Energy storage pawl；68：Energy storage semiaxis；69：Camshaft；
70 energy-stored springs；71：Tripping spring.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, art
Language " first ", " second " are only used for description purpose, and it is not intended that instruction or implying relative importance or implicit indicating institute
The quantity of the technical characteristic of instruction." first " is defined as a result, one can be expressed or be implicitly included to the feature of " second "
Or more this feature.In the description of the present invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature it " on " or it " under "
It can be in direct contact including the first and second features, it is not to be in direct contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " including first spy
Sign is right over second feature and oblique upper or is merely representative of fisrt feature level height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " right over second feature and oblique upper or be merely representative of including fisrt feature
Fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Fig. 5 descriptions fixed small size vacuum environmental protection switch 100 according to embodiments of the present invention.
As Figure 1-Figure 4, fixed small size vacuum environmental protection according to embodiments of the present invention switch 100, including major loop
Device 1 and transmission device 2.
Major loop device 1 includes pole 11 and the guide holder 12 being located on pole 11, and pole 11 is with leading
Vacuum interrupter 11a is limited between seat 12, static contact 111 is equipped in vacuum interrupter 11a, guide holder 12 is equipped with opposite
In guide holder 12, the moving contact 14 in vacuum interrupter 11a is stretched into removable and one end.Transmission device 2 includes and 14 phase of moving contact
Even and it is suitable for the transmission guide rod 21 that moving contact 14 is driven to be moved relative to guide holder 12, is swingably located on pole 11
Swing arm 22, the transmission mechanism 23 for swing arm 22 to be driven to swing, one end of swing arm 22 is with being driven the pivotly phase of guide rod 21
Even, the other end of swing arm 22 is pivotly connected with transmission mechanism 23, and transmission mechanism 23 is suitable for the driving swing drive of swing arm 22 and passes
Action-oriented bar 21 moves so that moving contact 14 is contacted or detached with static contact 111.
For example, as Figure 1-Figure 4, the space limited between pole 11 and guide holder 12 is vacuum interrupter
Static contact 111 and moving contact 14 are equipped in 11a, vacuum interrupter 11a, wherein static contact 111 can be located at vacuum interrupter 11a
Top, moving contact 14 is located at the lower part of vacuum interrupter 11a, and static contact 111 is relative to 11 remains stationary shape of pole
State, relative to being moved down on guide holder 12 and pole 11 under the drive of transmission guide rod 21 that moving contact 14 can be thereunder
It is dynamic.The upper end of transmission guide rod 21 is connected with moving contact 14, is driven the lower end of guide rod 21 and one end of swing arm 22 (for example, Fig. 3
In left end) be pivotly connected, and the other end (for example, right end in Fig. 3) of swing arm 22 with outside the pole 11
Transmission mechanism 23 be pivotly connected.Transmission mechanism 23 is moved the above-mentioned other end of swing arm 22 to be driven to swing, so as to make pendulum
Above-mentioned one end of arm 22 drives transmission guide rod 21 to move up and down to realize moving up and down for moving contact 14, and then realizes moving contact
14 contacts with static contact 111 detach, and complete the combined floodgate or separating brake of fixed small size vacuum environmental protection switch 100.It fixes as a result,
The structure of formula small size vacuum environmental protection switch 100 is simple, convenient for disassembly and assembly, it can be achieved that Miniaturization Design, the company between each structure member
It connects, reliable transmission, and arc extinguishing and insulation is realized using vacuum interrupter 11a, security performance is high, good environmental protection.
Wherein, when in use, major loop device 1 and transmission device 2 can be placed in fixed small size vacuum environmental protection switch 100
In the shell (not shown) of non-close, it can be switched in fixed small size vacuum environmental protection speed measuring device is installed on 100 at this time, with
Test moving contact 14 movement velocity, so as to user can to fixed small size vacuum environmental protection switch 100 carry out real time monitoring and
It measures, facilitates the performance indicator that fixed small size vacuum environmental protection switch 100 is controlled at user scene at any time.
Optionally, pole 11 can be connected with guide holder 12 by connector 211, and connector 211 includes inserts (figure
It is not shown) and fixed block 121, wherein, inserts can be through in the through-hole 12a of guide holder 12 and the screw hole of embedded pole 11
In 11b, through-hole 12a and screw hole 11b are preferably coaxially disposed, and fixed block 121 can be embedded on pole 11, and fixed block 121
It can be connected between guide holder 12 by the way that connection structure is (not shown, such as bolt-nut connecting structure).Wherein, sealing pole
Epoxy resin may be used by APG epoxy pressure injection technology one-time cast-formings in column 11, so as to which pole 11 be made to have well
Hydrophobicity, leakproofness and insulating properties.
Further, groove is formed on guide holder 12, cricoid watch chain fingertip 13, moving contact 14 can be equipped in groove
It can include connected up and down moving contact ontology 141 and conducting rod 142, moving contact ontology 141 to be located in vacuum interrupter 11a,
Conducting rod 142 is threaded through on watch chain fingertip 13, and the lower end and the upper end of transmission guide rod 21 of conducting rod 142 pass through connector 211
It is connected, can be moved up and down so as to be driven guide rod 21 with moving conductive rod 142 relative to watch chain fingertip 13, to realize moving contact 14
Move up and down.Moreover, silicone oil can be smeared on the surface that watch chain fingertip 13 is contacted with conducting rod 142, to play lubrication and absolutely
The effect of edge.
Fixed small size vacuum environmental protection switch 100 according to embodiments of the present invention, by the way that transmission device 2 is set as successively
Connected transmission guide rod 21, swing arm 22 and transmission mechanism 23, transmission mechanism 23 drive swing arm 22 to swing that transmission is driven to lead
It moves to realize contact or separation of the moving contact 14 with static contact 111 to bar 21, completes fixed small size vacuum environmental protection switch 100
Combined floodgate or separating brake, the structure of fixed small size vacuum environmental protection switch 100 is simple, convenient for disassembly and assembly, it can be achieved that miniaturization is set as a result,
It counts and weight is light and handy, connection, reliable transmission between each structure member, security performance height, has preferably good environmental protection
Economy and practicability, meanwhile, when fixed small size vacuum environmental protection switch 100 is placed in non-enclosed shell in use, can be
Speed measuring device is installed on fixed small size vacuum environmental protection switch 100, user to be facilitated to control fixed small size vacuum environmental protection at any time
The performance indicator of switch 100.
In one embodiment of the invention, transmission guide rod 21 has moving hole 21a, and one end of swing arm 22 is movably
It is located in moving hole 21a, one end of swing arm 22 is equipped with impeller 221, and transmission guide rod 21 is equipped with elastic component 24, when swing arm 22
Impeller 221 is suitable for pushing elastic component 24 and moving contact 14 when drive is driven direction movement of the guide rod 21 towards static contact 111
Only support.For example, shown as shown in Figure 1, Figure 3 and Figure 4, moving hole 21a can be formed in the bottom of transmission guide rod 21, the one of swing arm 22
End (for example, left end in Fig. 3) can be pivotly connected by axis pin with transmission guide rod 21, and above-mentioned axis pin is located at moving hole
In 21a, and axis pin can move in moving hole 21a so that above-mentioned one end of swing arm 22 can be moved relative to moving hole 21a
It is dynamic, thus when transmission guide rod 21 moves upwardly so that moving contact 14 and static contact 111 just contact, above-mentioned one end of swing arm 22
On impeller 221 can continue to move to continue compression elastic piece 24 with the movement of axis pin, elastic component 24 can be touched to dynamic
First 14 generate certain pressure upwards, make there are certain pressure between moving contact 14 and static contact 111, and then complete fixed
The combined floodgate of small size vacuum environmental protection switch 100, makes line conduction.It is understood that the related coefficient by setting elastic component 24,
The pressure between moving contact 14 and static contact 111 can be preferably controlled, so as to preferably complete fixed small size vacuum environmental protection
100 combined floodgate is switched to meet practical application.
During the separating brake of fixed small size vacuum environmental protection switch 100, the impeller 221 of above-mentioned one end of swing arm 22 to
Lower movement makes elastic component 24 spring back a part of decrement, so as to reduce the pressure between moving contact 14 and static contact 111, until subtracting
Be zero, at this point, the axis pin of above-mentioned one end of swing arm 22, which stops, is against the lower end of moving hole 21a, above-mentioned one end of swing arm 22 continue to
Lower movement will drive transmission guide rod 21 and moving contact 14 to move downwardly together, and moving contact 14 and static contact 111 is made to complete to separate
It opens, so as to complete the separating brake of fixed small size vacuum environmental protection switch 100.
Optionally, shown as shown in Figure 1, Figure 3 and Figure 4, elastic component 24 is spring, and spring is set on transmission guide rod 21.By
This, spring it is simple in construction, easy to disassemble and assemble, and be driven guide rod 21 can play the role of guiding to spring.But not limited to this.
In further embodiment of the present invention, the both ends of elastic component 24 are respectively equipped with cover board 241.For example, such as Fig. 1, Fig. 3
Shown in Fig. 4, the top and bottom of elastic component 24 are respectively equipped with cover board 241, and wherein the cover board 241 of 24 lower end of elastic component is with pushing
221 phase of part is only supported, and the cover board 241 of 24 upper end of elastic component can be connected with conducting rod 142.By being set at the both ends of elastic component 24
Cover board 241, the elastic force of elastic component 24 can by cover board 241 stepless action to conducting rod 142 of upper end, impeller 221
Motive force can be by the way that in cover board 241 stepless action to elastic component 24 of lower end, elastic component 24 can successfully become as a result,
Shape ensures that transmission guide rod 21 successfully moves up and down.
As shown in Figure 3 and Figure 4, moving hole 21a can be along the axially extending elongate holes of transmission guide rod 21, example
Such as, moving hole 21a can be oblong hole or rectangular opening etc., and the structure of moving hole 21a is simple as a result, and can pass through restriction
The development length of moving hole 21a controls the decrement of elastic component 24, so as to further realize to moving contact 14 and static contact 111
Between pressure control.
In one particular embodiment of the present invention, transmission mechanism 23 includes the first shackle rod 231 and the second transmission is drawn
Bar 232, one end of the second shackle rod 232 are pivotly connected with the first shackle rod 231, the second shackle rod 232 it is another
One end is pivotly connected with the other end of swing arm 22.For example, as shown in Figure 1-Figure 3, one end (example of the first shackle rod 231
Such as, the lower end in Fig. 3) pivotly it is connected with one end (for example, upper end in Fig. 3) of the second shackle rod 232, the first transmission
The other end (for example, upper end in Fig. 3) of pull rod 231 is set in the outside of drive shaft 20, and the first shackle rod 231 is above-mentioned
The other end is adapted with drive shaft 20.The other end (for example, lower end in Fig. 3) of second shackle rod 232 is upper with swing arm 22
The other end (for example, right end in Fig. 3) is stated pivotly to be connected.Pass through 231 and second transmission of the first shackle rod of setting as a result,
Pull rod 232, can swinging up and down one end (for example, left end in Fig. 3) for being converted into swing arm 22 of drive shaft 20, from
And realize moving up and down for moving contact 14, complete the combined floodgate or separating brake of fixed small size vacuum environmental protection switch 100.
Further, fixed small size vacuum environmental protection switch 100 includes at least one major loop group 10, and major loop group 10 is wrapped
Three major loop devices 1 are included, three major loop devices 1 are driven by same drive shaft 20, and drive shaft 20 and three major loops fill
Put 1 transmission mechanism 23 be connected.For example, as shown in Figure 1-Figure 3, three major loop devices 1 respectively with tri- main bus-bar phases of A, B, C
Even, it is respectively A phases, B phases and C phases from back to front and in order to meet technological requirement, in fixed small size vacuum environmental protection switch 100,
The rotation of drive shaft 20 can drive the transmission mechanism 23 of three major loop devices 1 to move simultaneously, realize three major loop devices 1
The synchronism of combined floodgate or separating brake, it is achieved thereby that circuit is switched on or switched off, moreover, three major loop devices 1 are in tandem, subtracts
Small fixed small size vacuum environmental protection switchs the width on 100 left and right directions, saves fixed small size vacuum environmental protection switch 100
Occupied space.
In an alternate embodiment of the present invention where, as shown in Figures 2 and 3, drive shaft 20 is splined shaft, is set on splined shaft
There are multiple gear teeth, multiple slots are formed on the first drive link 231 being adapted with splined shaft, multiple slots and multiple gear teeth one are a pair of
Should coordinate to transmit torque, the bearing capacity of splined shaft is high as a result, to neutral good, and on splined shaft the gear teeth tooth root it is shallower, should
Power collection is medium and small, and the weakening between the gear teeth and slot is smaller, extends the service life of splined shaft, meanwhile, it, can be with when processing splined shaft
By grinding to obtain higher precision, so as to improve the precision of fixed small size vacuum environmental protection switch 100.
As shown in Figure 1 and Figure 5, fixed small size vacuum environmental protection switch 100 can also include two mounting brackets, 30, two peaces
Fill beam 40, switching connecting lever 50 and operating mechanism 60 etc., wherein, two mounting brackets 30 respectively with the front-end and back-end phase of drive shaft 20
Even, the front-end and back-end of two mounting rails 40 are connected respectively with two mounting brackets 30, and three major loop devices 1 are each provided at two peaces
The centre of beam 40 is filled, and three major loop devices 1 can be connected with mounting rail 40 by helicitic texture.The mounting bracket 30 of front end
It can be connected with operating mechanism 60, and drive shaft 20 is connect by connecting lever 50 of transferring with operating mechanism 60, realizes major loop group
10 with the partial installation of operating mechanism 60, it is and convenient for disassembly and assembly.When operating mechanism 60 operates, it can be driven and driven by connecting lever 50 of transferring
Moving axis 20 rotates, and then drives transmission device 2 that moving contact 14 is driven to move up and down, and realizes fixed small size vacuum environmental protection switch
100 combined floodgate or separating brake.On the mounting bracket 30 of rear end can be equipped with damper 31 and limiting connecting lever 32, wherein limiting connecting lever 32 with
Drive shaft 20 is coaxially disposed, and damper 31 is located at the extreme position of limiting connecting lever 32, that is to say, that when moving contact 14 and stationary contact
After first 111 separation, moving contact 14 is moved downwardly to extreme lower position, and the position for limiting connecting lever 32 at this time is its extreme position, as a result,
Damper 31 can stop limiting connecting lever 32, be rotated further to avoid drive shaft 20 make moving contact 14 move out its setting
Stroke, so as to play the role of protection to fixed small size vacuum environmental protection switch 100.
During the use of fixed small size vacuum environmental protection switch 100, fixed small size vacuum environmental protection can be switched
100 are placed in shell, to play the role of support and the fixed small size vacuum environmental protection switch 100 of protection.Wherein, two mounting brackets
30th, two mounting rails 40 and three major loop devices 1 are placed in shell, and switching connecting lever 50 and operating mechanism 60 are respectively positioned on shell
Outside.It is understood that shell can be closed shell or non-enclosed shell etc..When fixed small size vacuum environmental protection switchs
100 when being placed in non-enclosed shell, can be switched in fixed small size vacuum environmental protection install speed measuring device on 100 at this time, with
The movement velocity of moving contact 14 when test operation mechanism 60 operates, so as to which user can switch fixed small size vacuum environmental protection
100 are monitored in real time and are measured, and are facilitated user scene and are controlled the performance of fixed small size vacuum environmental protection switch 100 at any time and refer to
Mark.When fixed small size vacuum environmental protection switch 100 be placed in closed shell (also referred to as gas tank) it is interior when, drive shaft 20 and mounting bracket
30 realize sealed connection by sealing element 20a, so as to be placed in environmentally friendly gas when fixed small size vacuum environmental protection switch 100 and gas tank
When in cabinet, it is ensured that the sealing performance of the gas tank in environmentally friendly gas cabinet.Certainly, two mounting brackets 30 can be welded on environmentally friendly gas
On the mounting hole of stainless steel metal thin plate in body cabinet, the sealing performance of gas tank is equally also ensured, and realize fixed small
Type vacuum environmental protection switch 100 stablizes installation.When fixed small size vacuum environmental protection switch 100 is placed in other kinds of cabinet
When, two mounting brackets 30 can be fixed on former and later two sealing plates in cabinet, to realize that fixed small size vacuum environmental protection is opened
Close 100 fixation.
Wherein, operating mechanism 60 can be spring operating mechanism or permanent-magnet operating mechanism etc..When operating mechanism 60 is spring
During operating mechanism, as shown in figure 5, spring operating mechanism, which is equipped with fixed small size vacuum environmental protection, switchs 100 control units, wherein
Fixed small size vacuum environmental protection switchs 100 control units and is mainly rolled by control cam 61, output toggle arm 62, back-up roller wheel, transmission
Wheel 63, pawl 64, separating brake keep the compositions such as connecting lever 65, separating brake semiaxis 66, energy storage pawl 67, energy storage semiaxis 68, camshaft 69.It should
Fixed small size vacuum environmental protection switchs 100 control units can be by controlling 61 grade components of cam, by the energy of energy-stored spring 70
Output toggle arm 62 is passed to, realizes the combined floodgate of fixed small size vacuum environmental protection switch 100.Meanwhile pass through floodgate semiaxis 66, pawl
64 grade components can realize the holding that fixed small size vacuum environmental protection switch 100 closes a floodgate.By 71 grade components of tripping spring, connect
After being instructed by separating brake, the separating brake of fixed small size vacuum environmental protection switch 100 is realized in the overturning of floodgate semiaxis 66.The structure design is closed
Reason, simple in structure clear, switching on and off is reliable, and performance is stablized, easy for installation, and daily to safeguard, service life is long.
Fit key can be equipped in camshaft 69, the interlocked control unit of operating mechanism 60 passes through fit key and camshaft 69
It is connected, thus, it is possible to reduce the connection ring between interlocked control unit and fixed small size vacuum environmental protection 100 control units of switch
Section, the structure for making operating mechanism 60 are compacter.Connecting lever 65 is kept to share a support shaft with energy storage pawl 67 moreover, closing a floodgate,
Again such that the structure of operating mechanism 60 is more compact.
Other of fixed small size vacuum environmental protection switch 100 according to embodiments of the present invention are formed and are operated for ability
All it is known for the those of ordinary skill of domain, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment of the present invention or example.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner combine in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (8)
1. a kind of fixed small size vacuum environmental protection switch, which is characterized in that including：
Major loop device, the major loop device includes pole and the guide holder being located on the pole, described solid
Vacuum interrupter is limited between sealed pole and the guide holder, static contact, the guide holder are equipped in the vacuum extinction room
It is equipped with and is moved relative to the guide holder and moving contact in the vacuum extinction room is stretched into one end；
Transmission device, the transmission device include being connected with the moving contact and suitable for the moving contact are driven to be led relative to described
The transmission guide rod that is moved to seat, the swing arm being swingably located on the pole, for driving swing arm swing
Transmission mechanism, one end of the swing arm are pivotly connected with the transmission guide rod, the other end of the swing arm and the biography
Motivation structure is pivotly connected, the transmission mechanism be suitable for driving the swing arm swing drive the transmission guide rod mobile so that
The moving contact is contacted or is detached with the static contact.
2. fixed small size vacuum environmental protection switch according to claim 1, which is characterized in that the transmission guide rod has
Moving hole, described one end of the swing arm are movably arranged in the moving hole, and described one end of the swing arm, which is equipped with, to push
Part,
The transmission guide rod is equipped with elastic component, when the swing arm drives the transmission guide rod towards the side of the static contact
It is suitable for the elastic component is pushed only to support with the moving contact to impeller during movement.
3. fixed small size vacuum environmental protection switch according to claim 2, which is characterized in that the elastic component is spring,
The spring is set on the transmission guide rod.
4. fixed small size vacuum environmental protection switch according to claim 2, which is characterized in that the both ends of the elastic component point
It She You not cover board.
5. fixed small size vacuum environmental protection switch according to claim 2, which is characterized in that the moving hole is along described
It is driven the axially extending elongate holes of guide rod.
6. fixed small size vacuum environmental protection switch according to any one of claims 1-5, which is characterized in that the transmission
Mechanism includes：
First shackle rod；
Second shackle rod, one end of second shackle rod are pivotly connected with first shackle rod, and described
The other end of two shackle rods is pivotly connected with the other end of the swing arm.
7. fixed small size vacuum environmental protection switch according to claim 1, which is characterized in that the fixed small size vacuum
Environmental protection switch includes at least one major loop group, and the major loop group includes three major loop devices, and three masters return
Road device is driven by same drive shaft, and the drive shaft is connected with the transmission mechanism of three major loop devices.
8. fixed small size vacuum environmental protection switch according to claim 7, which is characterized in that the drive shaft is spline
Axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611169042.3A CN108206119A (en) | 2016-12-16 | 2016-12-16 | Fixed small size vacuum environmental protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611169042.3A CN108206119A (en) | 2016-12-16 | 2016-12-16 | Fixed small size vacuum environmental protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108206119A true CN108206119A (en) | 2018-06-26 |
Family
ID=62602621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611169042.3A Pending CN108206119A (en) | 2016-12-16 | 2016-12-16 | Fixed small size vacuum environmental protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108206119A (en) |
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Application publication date: 20180626 |