CN207705133U - A kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type - Google Patents
A kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type Download PDFInfo
- Publication number
- CN207705133U CN207705133U CN201721862395.1U CN201721862395U CN207705133U CN 207705133 U CN207705133 U CN 207705133U CN 201721862395 U CN201721862395 U CN 201721862395U CN 207705133 U CN207705133 U CN 207705133U
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- conducting rod
- fixed
- plate
- air cavity
- fixed plate
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Abstract
The utility model discloses a kind of current-limiting protection constructional devices conductive based on the separation of air cavity drive-type, are related to current-limiting protection device field.In the utility model：Fixation is installed with interior connecting leg structure in third fixed plate；One side of the first conducting rod is connected across third fixed plate with the second contact plate activity；It is arranged with offsetting spring structure on first conducting rod；Being sticked on fixed conducting rod side has air cavity pipe；It is arranged with counter spring structure between first groove and the second groove.The utility model can carry out the first conducting rod flexible combined operation by setting air cavity pipe and flexible broken pipe on fixed conducting rod；By installing resetting spring on the first conducting rod, and balancing spring is set between the first conducting rod and fixed conducting rod, enable the interior gas expansion generated of air cavity pipe to shrink dynamics and combined operation effectively is carried out to the first conducting rod, to when overload, short-circuit conditions occur for line loop, carry out effective current limliting opening operation.
Description
Technical field
The utility model is related to current-limiting protection device field more particularly to a kind of limits conductive based on the separation of air cavity drive-type
Stream protection constructional device.
Background technology
During electric system and home electrical use, situations such as circuit overload, short circuit, can cause extremely serious
Safety accident, electric loop overloads because connect electrical equipment is excessive or institute is for reasons such as apparatus overloads, and current value is only
It is few times of circuit current-carrying capacity, consequence is that operating temperature is more than permissible value, makes insulation accelerated deterioration, the lost of life, it is simultaneously
Do not cause disaster directly；When circuit, insulation damages because of various reasons, and the unequal conductor of current potential is through the negligible event of impedance
Hinder point and be connected, this is referred to as short circuit.Since the access of this short-circuit loop is all metal pathway, this short circuit is classified as metal
Property short circuit, for short-circuit current value up to return conductors current-carrying capacity hundreds of so that thousands of times, it can generate abnormal high temperature or huge
Mechanical stress so as to cause various disasters.
Effective limitation control is carried out for overload, the short-circuit conditions in electric loop described above, becomes raising electricity
The air circuit important prerequisite safe to use with the service life.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of current-limiting protections conductive based on the separation of air cavity drive-type
Constructional device shrinks dynamics by the gas expansion generated in air cavity pipe and effectively carries out combined operation to the first conducting rod, from
And when overload, short-circuit conditions occur for line loop, carry out effective current limliting opening operation.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：
The utility model provides a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type, including outside device
Shell, crust of the device is interior to be arranged the first fixed plate；Two end sides of crust of the device, which are run through, is connected with outer even conductor structure.
Fixed in the one side of first fixed plate to be installed with the second contact plate, one end of outer even conductor connects with the second contact plate
It touches and is connected；The another side of first fixed plate is fixed and is installed with third fixed plate, and through-hole structure is offered in third fixed plate, the
Fixation is installed with interior connecting leg structure in three fixed plates；Interior connecting leg includes the first conductive rod structure, a side of the first conducting rod
It is connected across third fixed plate and the second contact plate activity；Another side of first conducting rod is fixed and is installed with the 4th fixed plate.
Be arranged with offsetting spring structure on first conducting rod, resetting spring be located at third fixed plate and the 4th fixed plate it
Between.
Fixation is installed with the 5th fixed plate in interior connecting leg, and through-hole structure is offered in the 5th fixed plate；5th fixed plate
It is fixed on through-hole structure to be installed with fixed conductive rod structure；Being sticked on fixed conducting rod side has air cavity pipe, the side of air cavity pipe
For broken pipe structure of stretching.
The end side of flexible broken pipe is equipped with the first connecting plate, and the first connecting plate is fixedly linked with the 4th fixed plate；Air cavity pipe
One end is equipped with the second connecting plate, and the second connecting plate is fixedly linked with the 5th fixed plate.
The first groove structure is offered on fixed conducting rod, the second groove structure is offered on the first conducting rod；First is recessed
It is arranged with counter spring structure between slot and the second groove.
Wherein, crust of the device and the position of outer even conductor joint are installed with the second fixed plate, the second fixed plate and device
Gasket is equipped between shell.
Wherein, a side of outer even conductor is equipped with the first contact plate, and the first contact plate and the second contact plate are all conduction material
Flitch, the first contact plate connect the position on conductor and are matched with position of second contact plate in the first fixed plate outside.
Wherein, the first movable chamber and the second movable chamber are offered in the second contact plate；First conducting rod and the second contact plate
Connected end side is provided with the first contact block；First contact block is located in the first movable chamber；It is provided on first conducting rod and the
The matched fixing chuck plate structure of two movable chamber position dimensions.
Wherein, heat conduction pasting board is provided between fixed conducting rod and air cavity pipe, heat conduction pasting board is metal heat-conducting plate.
Wherein, it is provided with the first insulation barrier structure in the first groove on fixed conducting rod；On first conducting rod
Two grooves are provided with the second insulation barrier structure；Position of first groove on fixed conducting rod is with the second groove in the first conduction
Position on bar matches；First insulation barrier and the second insulation barrier are rubber or plastic insulation material plate.
Wherein, the coefficient of stiffiness of the coefficient of stiffiness of resetting spring and balancing spring cooperates；Filling expansion in air cavity pipe
The larger gaseous matter of coefficient；Fixed conducting rod is made of copper or corresponding metal material.
Compared with prior art, the utility model has the beneficial effects that：
The utility model is by connecting conductor, and setting and the first conduction in the first fixed plate outside being installed on crust of the device
Second contact plate of bar sliding contact, so that the outer conductor that connects is connected with internal conductive structure；By in fixed conducting rod
Upper setting air cavity pipe and flexible broken pipe can carry out the first conducting rod flexible combined operation；By being filled on the first conducting rod
If resetting spring, and balancing spring is set between the first conducting rod and fixed conducting rod so that the gas generated in air cavity pipe
Dilation dynamics effectively can carry out combined operation to the first conducting rod, to which overload, short-circuit feelings occur in line loop
When condition, effective current limliting opening operation is carried out.
Description of the drawings
Fig. 1 is the current-limiting protection constructional device structural schematic diagram conductive based on the separation of air cavity drive-type of the utility model；
Fig. 2 is the structural schematic diagram of partial enlargement at A in Fig. 1；
Fig. 3 is the structural schematic diagram of partial enlargement at B in Fig. 1；
Fig. 4 is the structural schematic diagram of partial enlargement at M in Fig. 3；
Fig. 5 is the structural schematic diagram of partial enlargement at C in Fig. 1；
Wherein：1- crusts of the device；The first fixed plates of 2-；Connect conductor outside 3-；The second fixed plates of 4-；The first contact plates of 5-；6-
Second contact plate；The first movable chambers of 7-；The second movable chambers of 8-；9- third fixed plates；Connecting leg in 10-；The first conducting rods of 11-；12-
First contact block；13- resetting springs；14- fixes conducting rod；The 4th fixed plates of 15-；16- air cavity pipes；17- stretches broken pipe；18-
First connecting plate；The second connecting plates of 19-；20- heat conduction pasting boards；The 5th fixed plates of 21-；The first grooves of 22-；The second grooves of 23-；
The first insulation barriers of 24-；The second insulation barriers of 25-；26- balancing springs.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Specific embodiment one：
The utility model is a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type, including crust of the device
1, crust of the device 1 is interior to be arranged the first fixed plate 2；Two end sides of crust of the device 1, which are run through, is connected with outer even 3 structure of conductor；First is solid
Fixed in the one side of fixed board 2 to be installed with the second contact plate 6, one end of outer even conductor 3 is contacted with the second contact plate 6 to be connected.
The another side of first fixed plate 2 is fixed and is installed with third fixed plate 9, and through-hole knot is offered in third fixed plate 9
Structure, in third fixed plate 9 fixation be installed with 10 structure of interior connecting leg；Interior connecting leg 10 includes 11 structure of the first conducting rod, and first leads
One side of electric pole 11 is connected across third fixed plate 9 with 6 activity of the second contact plate；Another side of first conducting rod 11 is fixed
It is installed with the 4th fixed plate 15.
13 structure of resetting spring is arranged on first conducting rod 11, it is solid that resetting spring 13 is located at third fixed plate 9 and the 4th
Between fixed board 15.
Fixation is installed with the 5th fixed plate 21 in interior connecting leg 10, and through-hole structure is offered in the 5th fixed plate 21；5th is solid
Fixation is installed with 14 structure of fixed conducting rod on the through-hole structure of fixed board 21；Being sticked on 14 side of fixed conducting rod has air cavity pipe
16, the side of air cavity pipe 16 is 17 structure of flexible broken pipe；The end side of flexible broken pipe 17 is equipped with the first connecting plate 18, the first connecting plate
18 are fixedly linked with the 4th fixed plate 15；The one end of air cavity pipe 16 is equipped with the second connecting plate 19, the second connecting plate 19 and the 5th
Fixed plate 21 is fixedly linked.
22 structure of the first groove is offered on fixed conducting rod 14,23 knot of the second groove is offered on the first conducting rod 11
Structure；26 structure of balancing spring is arranged between first groove 22 and the second groove 23.
Further, crust of the device 1 and the position of outer even 3 joint of conductor are installed with the second fixed plate 4, the second fixed plate
Gasket is equipped between 4 and crust of the device 1.
Further, a side of outer even conductor 3 is equipped with the first contact plate 5, and the first contact plate 5 and the second contact plate 6 are all
For plate of conductive material；First contact plate 5 connects position and position of second contact plate 6 in the first fixed plate 2 on conductor 3 outside
It matches.
Further, the first movable chamber 7 and the second movable chamber 8 are offered in the second contact plate 6；First conducting rod 11 and
The connected end side of two contact plates 6 is provided with the first contact block 12；First contact block 12 is located in the first movable chamber 7；First is conductive
It is provided on bar 11 and the matched fixing chuck plate structure of 8 position dimension of the second movable chamber.
Further, heat conduction pasting board 20 is provided between fixed conducting rod 14 and air cavity pipe 16, heat conduction pasting board 20 is metal
Heat-conducting plate.
Further, it is provided with 24 structure of the first insulation barrier in the first groove 22 on fixed conducting rod 14；First leads
The second groove 23 on electric pole 11 is provided with 25 structure of the second insulation barrier；Position of first groove 22 on fixed conducting rod 14
It is matched with position of second groove 23 on the first conducting rod 11；First insulation barrier 24 and the second insulation barrier 25 are rubber
Or plastic insulation material plate.
Further, the coefficient of stiffiness of resetting spring 13 and the coefficient of stiffiness of balancing spring 26 cooperate.
Specific embodiment two：
As shown in Figure of description, it is threaded structure on outer even conductor 3, through-hole knot is threaded in the second fixed plate 4
Structure, outer even conductor 3 carry out rotation adjusting so that outer 6 close contact of the first contact plate 5 and the second contact plate connected on conductor 3, also just
In externally connecting conductor 3 carries out replacement maintenance.
Expanding-contracting action is carried out by resetting spring 13 on first conducting rod 11, the first conducting rod 11 and fixed conducting rod 14 it
Between balancing spring 26 and resetting spring 13 constitute equalising torque；Electric conduction when first conducting rod 11 is contacted with fixed conducting rod 14
Stream, when the electric current of conducting is excessive, overload when, fixed conducting rod 14 generates more heat transfer, and heat is transmitted to gas through heat conduction pasting board 20
Lumen 16, when gases are heated, they expand in air cavity pipe 16, and flexible broken pipe 17 is stretched, and the 4th fixed plate 15 is pushed, and at this time the
One conducting rod 11 is detached with fixed conducting rod 14, circuit breaker.
On the contrary, when the gas cooling in air cavity pipe 16 is shunk, flexible broken pipe 17 is shunk, and the 4th fixed plate 15 is linked
It replys, the first conducting rod 11 is contacted with the fixed closure of conducting rod 14 at this time, circuit turn-on.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (7)
1. a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type, it is characterised in that：
Including crust of the device (1), the first fixed plate (2) is set in crust of the device (1)；
Two end sides of described device shell (1), which are run through, is connected with outer even conductor (3) structure；
It is fixed in the one side of first fixed plate (2) to be installed with the second contact plate (6), one end of the outer even conductor (3)
It contacts and is connected with the second contact plate (6)；
The another side of first fixed plate (2) is fixed and is installed with third fixed plate (9), is opened on the third fixed plate (9)
It is fixed on the third fixed plate (9) to be installed with interior connecting leg (10) structure equipped with through-hole structure；
The interior connecting leg (10) includes the first conducting rod (11) structure, and a side of first conducting rod (11) passes through third
Fixed plate (9) is connected with the second contact plate (6) activity；
Another side of first conducting rod (11) is fixed and is installed with the 4th fixed plate (15)；
Resetting spring (13) structure is arranged on first conducting rod (11), the resetting spring (13) is located at third fixed plate
(9) between the 4th fixed plate (15)；
Fixation is installed with the 5th fixed plate (21) in the interior connecting leg (10), and through-hole knot is offered on the 5th fixed plate (21)
Structure；
Fixation is installed with fixed conducting rod (14) structure on the through-hole structure of 5th fixed plate (21)；
Being sticked on fixed conducting rod (14) side has air cavity pipe (16), and the side of the air cavity pipe (16) is flexible broken pipe
(17) structure；
The end side of the flexible broken pipe (17) is equipped with the first connecting plate (18), first connecting plate (18) and the 4th fixed plate
(15) it is fixedly linked；
The one end of the air cavity pipe (16) is equipped with the second connecting plate (19), second connecting plate (19) and the 5th fixed plate
(21) it is fixedly linked；
The first groove (22) structure is offered on the fixed conducting rod (14), and second is offered on first conducting rod (11)
Groove (23) structure；
Balancing spring (26) structure is arranged between first groove (22) and the second groove (23).
2. a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type according to claim 1, feature
It is；
Described device shell (1) and the position of outer even conductor (3) joint are installed with the second fixed plate (4), and described second fixes
Gasket is equipped between plate (4) and crust of the device (1).
3. a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type according to claim 1, feature
It is：
One side of the outer even conductor (3) is equipped with the first contact plate (5), first contact plate (5) and the second contact plate (6)
All it is plate of conductive material；
First contact plate (5) connects position on conductor (3) with the second contact plate (6) in the first fixed plate (2) outside
Position matches.
4. a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type according to claim 1, feature
It is：
The first movable chamber (7) and the second movable chamber (8) are offered in second contact plate (6)；
The end side that first conducting rod (11) is connected with the second contact plate (6) is provided with the first contact block (12)；
First contact block (12) is located in the first movable chamber (7)；
It is provided on first conducting rod (11) and the matched fixing chuck plate structure of the second movable chamber (8) position dimension.
5. a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type according to claim 1, feature
It is：
Heat conduction pasting board (20) is provided between the fixed conducting rod (14) and air cavity pipe (16), the heat conduction pasting board (20) is gold
Belong to heat-conducting plate.
6. a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type according to claim 1, feature
It is：
It is provided with the first insulation barrier (24) structure in the first groove (22) on the fixed conducting rod (14)；
The second groove (23) on first conducting rod (11) is provided with the second insulation barrier (25) structure；
Position of first groove (22) on fixed conducting rod (14) is with the second groove (23) on the first conducting rod (11)
Position match；
First insulation barrier (24) and the second insulation barrier (25) are rubber or plastic insulation material plate.
7. a kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type according to claim 1, feature
It is：
The coefficient of stiffiness of the resetting spring (13) cooperates with the coefficient of stiffiness of balancing spring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862395.1U CN207705133U (en) | 2017-12-27 | 2017-12-27 | A kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862395.1U CN207705133U (en) | 2017-12-27 | 2017-12-27 | A kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705133U true CN207705133U (en) | 2018-08-07 |
Family
ID=63029176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721862395.1U Expired - Fee Related CN207705133U (en) | 2017-12-27 | 2017-12-27 | A kind of current-limiting protection constructional device conductive based on the separation of air cavity drive-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207705133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567390A (en) * | 2018-11-20 | 2019-04-05 | 张红艳 | A kind of office man table with dehumidifying temperature incubation function |
| CN112216533A (en) * | 2020-10-29 | 2021-01-12 | 阜阳中骄智能科技有限公司 | Contact protection mechanism based on arc shielding structure |
-
2017
- 2017-12-27 CN CN201721862395.1U patent/CN207705133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109567390A (en) * | 2018-11-20 | 2019-04-05 | 张红艳 | A kind of office man table with dehumidifying temperature incubation function |
| CN112216533A (en) * | 2020-10-29 | 2021-01-12 | 阜阳中骄智能科技有限公司 | Contact protection mechanism based on arc shielding structure |
| CN112216533B (en) * | 2020-10-29 | 2022-06-14 | 阜阳中骄智能科技有限公司 | Contact protection mechanism based on arc shielding structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20201227 |