CN208422726U - A kind of high-voltage circuitbreaker interlock protection device - Google Patents
A kind of high-voltage circuitbreaker interlock protection device Download PDFInfo
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- CN208422726U CN208422726U CN201821012511.5U CN201821012511U CN208422726U CN 208422726 U CN208422726 U CN 208422726U CN 201821012511 U CN201821012511 U CN 201821012511U CN 208422726 U CN208422726 U CN 208422726U
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- breaker
- connecting rod
- voltage circuitbreaker
- block
- protection device
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Abstract
The utility model relates to interlock protection fields, specifically disclose a kind of high-voltage circuitbreaker interlock protection device, mainly by rotation axis, connecting rod, supporting block, connecting rod, sliding block, pointer, direction board, handle, contact, electric pushrod, battery, single-chip microcontroller, the components such as current sensor and adjusting rocking bar are constituted, wherein, the high-voltage circuitbreaker interlock protection device of the utility model is structural strong, it is vdiverse in function, it is provided with direction board, the handle of some high-voltage circuitbreaker and contact can be pushed to work by adjusting rocking bar control electric pushrod, direction board finds out whether another breaker disconnects, when current sensor detects operation irregularity, then single-chip microcontroller control electric pushrod disconnects the high-voltage circuitbreaker of work, safety greatly improves.
Description
Technical field
The utility model belongs to interlock protection device field, in particular to a kind of high-voltage circuitbreaker interlock protection device.
Background technique
High-voltage circuitbreaker (or high-voltage switch gear) it can not only cut off or the no-load current in closed high voltage circuit and negative
Charged current, and overload electric current and short circuit current are cut off by the effect of relay protection when system jam,
It has quite perfect arc extinguishing structure and enough cutout abilities, can be divided into: oil-break (bulk oil circuit, few oil-break
Device), sulfur hexafluoride breaker (SF6 breaker), compressed-air circuit breaker, vacuum circuit breaker etc..High-voltage circuitbreaker is in high-voltage electricity
Lu Zhongqi control action is one of the important electric elements in high-tension circuit.Breaker is used to connect on-off when operating normally
Open circuit, fault condition rapid disconnecting circuit under the action of protective relaying device, special circumstances (such as automatic reclosing to fault wire
When road) under reliably connect short circuit current.High-voltage circuitbreaker is to be switched on or switched off high-tension circuit under normal or fault condition
Dedicated electric appliance.It is too simple that the high-voltage circuitbreaker that people use at present is primarily present structure, and a when breaker job cannot protect
Demonstrate,prove the disconnection of another breaker, the disadvantages of risk is high.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage circuitbreaker interlock protection devices, to overcome a breaker
It cannot be guaranteed the defect that another breaker disconnects when work.
To achieve the above object, the utility model provides a kind of high-voltage circuitbreaker interlock protection device, comprising: rotation
Axis, connecting rod, supporting block, connecting rod, sliding block, pointer, direction board, handle and contact;
First breaker and the second breaker are arranged side by side, are equipped with touching on first breaker and the second breaker
Send out the contact of work;
The rotation axis is set to the middle part between first breaker and the second breaker, the company with what can be rotated
The middle part of extension bar is set in the rotation axis, and two handles respectively pass through one that a supporting block is set to the connecting rod
End, two handles are each positioned at the lower section of a contact, and two connecting rods are laterally respectively set to a supporting block
Side, two sliding blocks respectively by can slide and elastic reset in a manner of be set on connecting rod so that the branch
Bracer can push the sliding block mobile;Two pointers are respectively set on the sliding block, and two pointers are corresponding
Back is respectively provided with one piece of direction board;
Further include: electric pushrod, battery, single-chip microcontroller, current sensor and adjusting rocking bar;The bottom of the electric pushrod is solid
Due to the lower section of one end of the connecting rod, the push top of the electric pushrod and the bar wall of one end of the connecting rod are hingedly to push away
The connecting rod is moved to move up and down, each contact (7) be equipped with a current sensor, the single-chip microcontroller respectively with
The electric pushrod, battery, current sensor and adjusting rocking bar connection.
It preferably, further include the damping set on the both ends of the connecting rod, the damping machine in above-mentioned technical proposal
Structure includes: fixed link, damping block and elastic mechanism;
The respective side of first breaker and the second breaker offers a groove, is equipped with slide bar in the groove,
One end of the fixed link is set on the slide bar with what can be slided, and the other end is located at the lower section of the end of the connecting rod,
The lower section of the fixed link is equipped with elastic mechanism and damping block.
Preferably, in above-mentioned technical proposal, the elastic mechanism includes: mounting blocks, spring, support plate, support rod and card
Block;The mounting blocks are set to the lower section of the fixed link, and the support plate is set on the mounting blocks by the spring, described
Support rod is set in the support plate, and the fixture block put on the supporting rod and offsets with the lower end of the fixed link.
Preferably, in above-mentioned technical proposal, the side of first breaker and the second breaker is equipped with fixed block.
Preferably, in above-mentioned technical proposal, the sliding block is set on the connecting rod with what can be slided, one end of a spring
It is connect with the connecting rod far from one end of the supporting block, the other end is connected with the slide block.
Preferably, in above-mentioned technical proposal, the single-chip microcontroller is STM32 single-chip microcontroller.
Compared with prior art, the high-voltage circuitbreaker interlock protection device of the utility model is structural strong, vdiverse in function,
It is provided with direction board, the handle and contact progress work that electric pushrod pushes some high-voltage circuitbreaker can be controlled by adjusting rocking bar
When making, direction board finds out whether another breaker disconnects, and when current sensor detects operation irregularity, then single-chip microcontroller controls
Electric pushrod disconnects the high-voltage circuitbreaker of work, and safety greatly improves.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the high-voltage circuitbreaker interlock protection device of the utility model.
Fig. 2 is the pointer structure schematic diagram of the high-voltage circuitbreaker interlock protection device of the utility model.
Fig. 3 is the mounting blocks structural schematic diagram of the high-voltage circuitbreaker interlock protection device of the utility model.
Main appended drawing reference explanation:
1, the first breaker;2, the second breaker;3, rotation axis;4, connecting rod;5, supporting block;6, handle;7, contact;8,
Connecting rod;9, the first spring;10, sliding block;11, pointer;12, direction board;13, groove;14, slide bar;15, fixed link;16, damping
Block;17, mounting blocks;18, second spring;19, support plate;20, support rod;21, fixture block;22, fixed block;23, battery;24, electric
Dynamic push rod;25, rocking bar is adjusted;26, single-chip microcontroller;27, current sensor.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Fig. 1 shows the structure chart of the high-voltage circuitbreaker interlock protection device according to the preferred embodiments of the present invention.
As shown in Figure 1, high-voltage circuitbreaker interlock protection device includes: rotation axis 3, connecting rod 4, supporting block 5, connecting rod 8, slides
Block 10, direction board 12, handle 6, contact 7, electric pushrod 24, battery 23, single-chip microcontroller 26, current sensor 27, is adjusted pointer 11
Rocking bar 25 and damping.
As shown in Figure 1, the first breaker 1 and the second breaker 2 are arranged side by side in the embodiment, the first breaker and
The side of two breakers is equipped with fixed block to be fixed, and triggering work is equipped on the first breaker 1 and the second breaker 2
Contact 7;
It continues to refer to figure 1, rotation axis 3 is can rotate between the first breaker 1 and the second breaker 2
Portion, the middle part of connecting rod 4 are set in rotation axis 3, and two handles 6 are respectively set to one end of connecting rod 4 by a supporting block 5, and two
Handle 6 is each positioned at the lower section of a contact 7, and two connecting rods 8 are laterally respectively set to the side of a supporting block 5, and two sliding blocks 10 are each
It is set on a connecting rod 8 in a manner of it can slide simultaneously elastic reset, so that the supporting block 5 can push the sliding block 10 to move
It is dynamic, preferred structure in the embodiment are as follows: as shown in Fig. 2, sliding block 10 is set on connecting rod 8 with what can be slided, one first spring 9
One end and connecting rod are connected far from one end of supporting block, and the other end is connect with sliding block;Two pointers 11 are respectively set on a sliding block 10,
Two corresponding backs of pointer 11 are respectively provided with one piece of direction board 12, and direction board 12 is used to show on-off.
It continues to refer to figure 1, the lower section of one end of connecting rod 4 is fixed in the bottom of electric pushrod 24, and electric pushrod 24 pushes away
For head with the bar wall of one end of connecting rod 4 hingedly to push connecting rod 4 to move up and down, each contact 7 is equipped with a current sense
Device 27, single-chip microcontroller 26 are connect with electric pushrod 24, battery 23, current sensor 27 and adjusting rocking bar 25 respectively, and single-chip microcontroller is preferred
For STM32 single-chip microcontroller.
Continue to refer to figure 1 and Fig. 3, the both ends of connecting rod 4 are equipped with a damping, damping include: fixed link 15,
Damping block 16 and elastic mechanism;The respective side of first breaker 1 and the second breaker 2 offers a groove 13, sets in groove
There is slide bar 14, one end of fixed link 15 is set on slide bar 14 with what can be slided, and the other end is located under the end of connecting rod 4
Side, the lower section of fixed link 15 are equipped with elastic mechanism and damping block 16, and elastic mechanism includes: mounting blocks 17, second spring 18, support
Plate 19, support rod 20 and fixture block 21;Mounting blocks 17 are set to the lower section of fixed link 15, and support plate 19 is set to peace by second spring 18
It fills on block 17, second spring 18 plays damping effect, and support rod 20 is set in support plate 19, and fixture block 21 is set on support rod 20 simultaneously
It offsets with the lower end of fixed link 15.
Push electric pushrod 24 up in use, pushing and adjusting rocking bar 27, to push the connection at the second breaker 2
Bar 4 moves up, and the handle 6 of the second breaker 2 is made to touch contact 7, the second normal operation of circuit breaker, at the first breaker 1
Connecting rod 4 moves down, 15 slide downward of fixed link of the first breaker 1, and the fixture block 21 on support rod 19 blocks fixed link 15,
Damping block 16 provides damping effect;The direction board 12 of first breaker 1 is driven by connecting rod, it can be seen that the position of pointer, thus
It can be seen that the on-off of the first breaker, (the i.e. received electric current letter of single-chip microcontroller when current sensor 27 detects operation irregularity
Number be greater than preset value), then single-chip microcontroller control electric pushrod 27 shrink a half-distance, disconnect the second breaker 2 of work, safety
It greatly improves.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (6)
1. a kind of high-voltage circuitbreaker interlock protection device, comprising: rotation axis (3), connecting rod (4), supporting block (5), connecting rod (8),
Sliding block (10), pointer (11), direction board (12), handle (6) and contact (7);
First breaker (1) and the second breaker (2) are arranged side by side, on first breaker (1) and the second breaker (2)
It is equipped with the contact (7) of triggering work;
The rotation axis (3) is set to the middle part between first breaker (1) and the second breaker (2) with what can be rotated,
The middle part of the connecting rod (4) is set on the rotation axis (3), and two handles (6) are respectively set by a supporting block (5)
In one end of the connecting rod (4), two handles (6) are each positioned at the lower section of a contact (7), two connecting rods
(8) laterally respectively it is set to the side of a supporting block (5), two sliding blocks (10) are respectively can slide and elastic reset
Mode is set on the connecting rod (8), so that the supporting block (5) can push the sliding block (10) mobile;Described in two
Pointer (11) is respectively set on sliding block (10), and the corresponding back of two pointers (11) is respectively provided with one piece of direction board
(12);
It is characterized in that,
Further include: electric pushrod (24), single-chip microcontroller (26), current sensor (27), adjusts rocking bar (25) at battery (23);It is described
The lower section of one end of the connecting rod (4), the push top of the electric pushrod (24) and institute are fixed in the bottom of electric pushrod (24)
The bar wall of one end of connecting rod (4) is stated hingedly to push the connecting rod (4) to move up and down, each contact (7) is equipped with
One current sensor (27), the single-chip microcontroller (26) respectively with the electric pushrod (24), battery (23), current sense
Device (27) and adjusting rocking bar (25) connection.
2. high-voltage circuitbreaker interlock protection device according to claim 1, which is characterized in that further include being set to the connection
The damping at the both ends of bar (4), the damping include: fixed link (15), damping block (16) and elastic mechanism;
The respective side of first breaker (1) and the second breaker (2) offers a groove (13), is equipped in the groove
One end of slide bar (14), the fixed link (15) is set on the slide bar (14) with what can be slided, and the other end is located at the company
The lower section of the lower section of the end of extension bar (4), the fixed link (15) is equipped with elastic mechanism and damping block (16).
3. high-voltage circuitbreaker interlock protection device according to claim 2, which is characterized in that the elastic mechanism includes:
Mounting blocks (17), spring (18), support plate (19), support rod (20) and fixture block (21);The mounting blocks (17) are set to described solid
The lower section of fixed pole (15), the support plate (19) are set on the mounting blocks (17) by the spring (18), the support rod
(20) be set to the support plate (19) on, the fixture block (21) be set to the support rod (20) on and with the fixed link (15)
Lower end offsets.
4. high-voltage circuitbreaker interlock protection device according to claim 1, which is characterized in that first breaker (1)
Fixed block (22) are equipped with the side of the second breaker (2).
5. high-voltage circuitbreaker interlock protection device according to claim 1, which is characterized in that the sliding block (10) is with can
Sliding is set on the connecting rod (8), and one end of a spring is connect with the connecting rod (8) far from the one end of the supporting block (5),
The other end is connect with the sliding block (10).
6. high-voltage circuitbreaker interlock protection device according to claim 1, which is characterized in that the single-chip microcontroller (26) is
STM32 single-chip microcontroller.
Priority Applications (1)
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CN201821012511.5U CN208422726U (en) | 2018-06-28 | 2018-06-28 | A kind of high-voltage circuitbreaker interlock protection device |
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CN201821012511.5U CN208422726U (en) | 2018-06-28 | 2018-06-28 | A kind of high-voltage circuitbreaker interlock protection device |
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CN208422726U true CN208422726U (en) | 2019-01-22 |
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CN201821012511.5U Active CN208422726U (en) | 2018-06-28 | 2018-06-28 | A kind of high-voltage circuitbreaker interlock protection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113097005A (en) * | 2021-02-25 | 2021-07-09 | 李林 | High-voltage circuit breaker handle mechanism with anti-electric-shock function |
-
2018
- 2018-06-28 CN CN201821012511.5U patent/CN208422726U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113097005A (en) * | 2021-02-25 | 2021-07-09 | 李林 | High-voltage circuit breaker handle mechanism with anti-electric-shock function |
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