CN207909794U - A kind of breaking, short switch - Google Patents
A kind of breaking, short switch Download PDFInfo
- Publication number
- CN207909794U CN207909794U CN201820420494.2U CN201820420494U CN207909794U CN 207909794 U CN207909794 U CN 207909794U CN 201820420494 U CN201820420494 U CN 201820420494U CN 207909794 U CN207909794 U CN 207909794U
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- piston
- lower housing
- upper shell
- torch
- open circuit
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Abstract
A kind of breaking, short switch, by being constituted using the lower housing component and upper housing component of snap fit connection；The lower housing component includes lower housing, ignites the torch, short-circuited conducting sleeve, and rear setting piston of igniting the torch is located in lower housing；The upper housing component includes upper shell, connection sheet or pcb board, the upper and lower casing clamping rear lower forms piston cylinder, setting alarming sign sliding block in piston cylinder position is corresponded on upper shell, its outer end protrudes from upper shell surface after the alarming sign sliding block slides in and out under piston promotion.It is ignited the torch by excitation, connection sheet or pcb board are cut off or are electrically connected, realize the function of momentary breaks or short circuit by the gas push piston motion that explosion of igniting the torch generates.Alarming sign can be slided and be released after excitation of igniting the torch, piston motion by the alarming sign being fixed on upper shell, have the function that distinguish functor and non-functional part.
Description
Technical field
The utility model is related to technical field of vehicle safety, and in particular to a kind of breaking, short switch.
Background technology
Type of vehicle currently on the market is in addition to traditional fuel vehicle, more and more hybrid vehicles, pure electric vehicle vapour
Vehicle, new energy fuel automobile occur on the market, these different types of vehicles all have different power supply systems.
In vehicle the reasons such as accident or line short occur for these power supply systems, can cause vehicle interior line electricity and flow through
Greatly, the accidents such as fire or electric shock are caused, security risk or injury are caused to the occupant in vehicle.
Traditional rapid power-down device generally uses fuse wire, the heat fusing resistor silk generated using electric current, but
Such structure, during fusing resistor silk, the heat that electric current generates is possible to cause accident, therefore traditional power-off is protected
Protection unit, there are certain defects.
And traditional power-off protection apparatus can only realize power-off protection, and cannot achieve the short circuit guarantor for high current
Protective function.
Invention content
The utility model can be made in view of the above-mentioned problems, a kind of novel open circuit of offer, short switch within the millisecond time
With realization open circuit, short-circuit protection reduce or eliminate vehicle fire risk, avoid endangering caused by circuit reason.
The technical solution of the utility model is：
A kind of breaking, short switch, is characterized in that：
By being constituted using the lower housing component and upper housing component of snap fit connection；The lower housing component includes lower casing
Body is inlayed inside lower housing and is ignited the torch, and short-circuited conducting sleeve, the position in lower housing are fixed in corresponding contact pin position of igniting the torch on lower housing
In igniting the torch, piston is arranged in rear；The upper housing component includes upper shell, and the fixed connection in piston rear is corresponded in upper shell
The terminals at piece or pcb board, the connection sheet or pcb board both ends are drawn by upper shell both sides, after upper and lower casing clamping after
Portion forms piston cylinder, and gas vent is opened up on the piston cylinder, and setting alarming sign sliding block in piston cylinder position is corresponded on upper shell,
Its outer end protrudes from upper shell surface after the alarming sign sliding block slides in and out under piston promotion；
The piston be structure as a whole using non-conductive piston made of insulating materials, the connection sheet or pcb board and
Corresponding piston region is thin structure；Or for conductive piston and by electric conductor and the insulation at electric conductor rear portion is arranged in the piston
Set composition, the connection sheet or pcb board are separate structure and corresponding piston region is in disconnect shape.
Further preferably, the lower housing front is convex block and the convex block forms embedding groove and piston hole from front to back,
Semicircular cylinder is set in the lower housing rear portion, described to ignite the torch in the embedding groove being embedded in lower housing, upper shell front shape
At semicircular cylinder is set in notch corresponding with the convex block, the upper shell rear portion, two semi-cylindrical shapeds are at piston cylinder, piston motion
It is stretched into piston cylinder afterwards.
Further preferably, radial groove is opened up on upper shell semicircular cylinder, the alarming sign sliding block is arranged in the diameter
Into sliding slot and alarming sign sliding block inner face is inclined-plane.
Further preferably, the radial groove inner port is ladder-like, and alarming sign sliding block inner end head is clamp,
The alarming sign sliding block is displaced outwardly rear clamp and is stuck on the ladder of radial groove.
Further preferably, the front and back setting protrusion in lower housing convex block both sides, the front and back setting in upper shell notch both sides
Groove, the protrusion are inserted into corresponding groove.
Further preferably, card slot is arranged in the left and right sides on lower housing, setting and the card slot at left and right sides of upper shell
Corresponding grab, the grab are stuck in corresponding card slot.
Further preferably, the upper shell both sides are correspondingly connected with piece or pcb board position setting positioning protrusion, the connection sheet
Or location hole corresponding with the positioning protrusion is opened up on pcb board, the positioning protrusion is located in corresponding location hole.
Further preferably, the piston is conductive piston and electric conductor extending part surface is laid along the longitudinal direction
Two seperated connection sheets or pcb board are caught in the annular groove on electric conductor surface after having annular groove, the piston to move backward.
Further preferably, corresponding bayonet and grab have two groups and front and back arrangement, and it is dual-mouth, phase to be located at subsequent bayonet
It is double card hook that subsequent grab, which should be located at,.
The utility model has the beneficial effects that：It is ignited the torch by excitation, the gas push piston fortune that explosion of igniting the torch generates
It is dynamic, integrally connected piece or pcb board are cut off in recession or seperated connection sheet or pcb board are electrically connected using piston current-carrying part
It connects, realizes the function of momentary breaks or short circuit.The alarming sign being fixed on upper shell, after excitation of igniting the torch, piston motion,
It can protrude upper shell by alarming sign along its slope driving, have the function that distinguish functor and non-functional part.Pass through change
The conductive section of connection sheet or pcb board realizes the protective current without size；Part is few, simple in structure.
Description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model lower housing component structure diagram；
Fig. 3 is the utility model lower housing component axonometric drawing；
Fig. 4 is the utility model upper housing component axonometric drawing；
Fig. 5 is the utility model upper and lower casing interface arrangment schematic diagram；
Fig. 6 is the utility model alarming sign sliding block and radial groove structural schematic diagram；
Fig. 7 is that alarming sign sliding block skids off rear position view；
Fig. 8 is 1 assembling structure schematic diagram of the utility model embodiment；
Fig. 9 is 2 assembling structure schematic diagram of the utility model embodiment；
Figure 10 is 3 assembling structure schematic diagram of the utility model embodiment；
Figure 11 is 4 assembling structure schematic diagram of the utility model embodiment.
In figure：1- lower housing components, 101- lower housings, 101a- convex blocks, 101b- semicircular cylinders, 101c- protrusions,
101d- bayonets, 102- pistons, 102a- electric conductors, 102b- insulation sleeves, 102c- annular grooves, 103- ignite the torch,
104- short-circuited conducting sleeves, 2- upper housing components, 201- upper shells, 201a- notches, 201b- semicircular cylinders, 201c- grooves,
201d- grabs, 201e- radial grooves, 201f- positioning protrusion, 201g- positioning protrusion, 202- connection sheets, 202f- are fixed
Position hole, 203- alarming sign sliding blocks, the inclined-planes 203a-, 203b- clamps, 204- gas vents, 205-PCB plates.
Specific implementation mode
Below with reference to drawings and examples, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1 and shown in Fig. 8, the utility model is made of the lower housing component 1 and upper housing component 2 being clamped.
As shown in Figure 2 and Figure 3, the lower housing component 1, including front are convex block 101a and the convex block shape from front to back
At the lower housing 101 for setting semicircular cylinder 101b in embedding groove and piston hole, rear portion, igniting is inlayed in the embedding groove of lower housing 101
The non-conductive piston 102 made of insulating materials is arranged in the piston hole of lower housing 101, is set in lower housing front end face for torch 103
It sets and short-circuited conducting sleeve corresponding with igniting the torch 104 is installed in iInstalling bayonet and the iInstalling bayonet；It ignites the torch after 103 excitations, generates gas
Body pushes non-conductive piston 102 to move backward, converts short-circuited conducting sleeve 104, is adapted to the demand of different connectors.
As shown in figure 4, the upper housing component 2, including front formed notch 201a corresponding with the convex block 101a, after
The upper shell 201 that semicircular cylinder 201b is set in portion corresponds to piston hole rear port position in upper shell 201 and passes through potting mode
Fixed metal connecting sheet 202,201 both sides of the upper shell are correspondingly connected with 202 position of piece setting positioning protrusion 201f, the connection
Location hole 202f corresponding with the positioning protrusion 201f is opened up on piece 202, the positioning protrusion 201f is located at corresponding positioning
In the 202f of hole.
The terminals at 202 both ends of the connection sheet are drawn by 201 both sides of upper shell, for connecting external circuit, the company
It is thin structure that contact pin 202, which corresponds to 102 position of piston,.
As shown in figure 5, in conjunction with Fig. 3, Fig. 4, the both sides lower housing convex block 101a are front and back to be arranged protrusion 101c, the upper casing
The front and back setting groove 201c in the both sides body notch 201a, the protrusion 101c are inserted into corresponding groove 201c.It is left in lower housing 1
Bayonet 101d is arranged in right both sides, and grab 201d corresponding with the bayonet 101d, the card is arranged in the left and right sides in upper shell 2
Hook is stuck in corresponding card slot.In the present embodiment, corresponding bayonet and grab have two groups and front and back arrangement, are located at subsequent bayonet
For dual-mouth, it is double card hook to be correspondingly positioned at subsequent grab.The lower housing semicircular cylinder 101b and upper shell semicircular cylinder 201b shapes
At piston cylinder, gas vent 204 is opened up on the piston cylinder, gas vent 204 described in the present embodiment is opened in upper shell semicircular cylinder
On 201b.
As shown in Figure 6, Figure 7, in conjunction with Fig. 3, Fig. 4, radial groove 201e, the diameter are opened up on upper shell semicircular cylinder 201b
It is ladder-like to sliding slot 201e inner ports, and is equipped with positioning protrusion 201g in radial groove 201e, in the radial groove
Setting inner face is inclined-plane 203a in 201e and inner end head is clamp 203b and the police that can be slid in and out along the radial groove
Sliding block 203 is known in indicating, and alarming sign sliding block 203 is equipped with corresponding with the positioning protrusion 201g recessed anti-, the alarming sign
Sliding block 203 is displaced outwardly rear clamp 203b and is stuck on the ladder of radial groove 201e.The alarming sign sliding block 203 slides in and out
Its outer end protrudes 2 surface of upper shell afterwards；The alarming sign sliding block is made by the way of red injected plastics material injection molding.
Non-conductive piston 102 moves downward under the promotion for 103 gases of igniting the torch, by metal connecting sheet 202 in weakness
It thrusts, realizes the shutdown function of open circuit, while piston 102 pushes inclined-plane 201e to slide in and out, make 203 outside of alarming sign sliding block
2 surface of prominent upper shell plays the role of distinguishing functor and non-functional part.
Embodiment 2
As shown in figure 9, the connection sheet 202 of the utility model is separate structure, the piston 102 is by integrally formed conduction
Body 102a and the insulation sleeve 102b being arranged in electric conductor lower part are constituted, and the extending parts electric conductor 102a surface is along the longitudinal direction
It is laid with annular groove 102c, other structures are same as Example 1.
The insulator 102b of 102 lower part of piston is not moved in piston 102 after insulation stream, and piston 102 is in 103 productions of igniting the torch
It is moved downward under the promotion of angry body, two seperated connection sheets 202 are caught in the annular groove 102c of electric conductor 102a, connection electricity
Stream, makes two terminals instantaneous short circuits.
Embodiment 3
As shown in Figure 10, metal connecting sheet 202 is replaced with pcb board 205, and connector and circuit are used at 205 both ends of pcb board
Connection, it is other same as Example 1.Piston 102, which moves downward, thrusts pcb board 205, realizes multiloop cut-out function.
Embodiment 4
As shown in figure 11, seperated connection sheet 202 is replaced with seperated pcb board 205,205 both ends of pcb board using connector with
Circuit connects, other same as Example 2.Piston 102 moves downward, and two seperated pcb boards are caught in the ring of electric conductor 102a
In connected in star 102c, it is connected to electric current, makes two terminals instantaneous short circuits, realizes multiloop short-circuit function.
The above are only specific embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of open circuit, short switch, which is characterized in that by the lower housing component and upper housing component using snap fit connection
It constitutes；The lower housing component includes lower housing, inlays and ignites the torch inside lower housing, the corresponding contact pin of igniting the torch on lower housing
Short-circuited conducting sleeve is fixed at position, and rear setting piston of igniting the torch is located in lower housing；The upper housing component includes upper shell, upper
The fixed connection sheet in piston rear or pcb board are corresponded in shell, rear portion forms piston cylinder after the upper and lower casing clamping, in upper casing
Setting alarming sign sliding block in piston cylinder position is corresponded on body, after the alarming sign sliding block slides in and out under piston promotion outside it
End protrudes from upper shell surface；
The piston is non-conductive piston, and it is thin structure that the connection sheet or pcb board, which are structure as a whole and correspond to piston region,；
Or the piston is conductive piston and is made of electric conductor and the insulation sleeve being arranged at electric conductor rear portion, the connection sheet or PCB
Plate is separate structure and corresponding piston region is in disconnect shape.
2. open circuit according to claim 1, short switch, which is characterized in that open up gas vent on the piston cylinder.
3. open circuit according to claim 1, short switch, which is characterized in that the lower housing front is convex block and described
Convex block forms embedding groove and piston hole from front to back, and semicircular cylinder is set in the lower housing rear portion, and described ignite the torch is embedded in lower casing
In internal embedding groove, the upper shell front forms notch corresponding with the convex block, sets semicircle in the upper shell rear portion
Cylinder, two semi-cylindrical shapeds are at the piston cylinder, it is stretched into piston cylinder after piston motion.
4. open circuit according to claim 1, short switch, which is characterized in that open up radial cunning on upper shell semicircular cylinder
Slot, the alarming sign sliding block is arranged in the radial groove and alarming sign sliding block inner face is inclined-plane.
5. it is according to claim 4 open circuit, short switch, which is characterized in that the radial groove inner port be it is ladder-like,
Alarming sign sliding block inner end head is clamp, and the alarming sign sliding block is displaced outwardly the rank that rear clamp is stuck in radial groove
On ladder.
6. open circuit according to claim 1, short switch, which is characterized in that the front and back setting in lower housing convex block both sides
Protrusion, upper shell notch both sides are front and back to be arranged groove, and the protrusion is inserted into corresponding groove.
7. open circuit according to claim 1, short switch, which is characterized in that card slot is arranged in the left and right sides on lower housing,
Grab corresponding with the card slot is set at left and right sides of upper shell, and the grab is stuck in corresponding card slot.
8. it is according to claim 1 open circuit, short switch, which is characterized in that the upper shell both sides be correspondingly connected with piece or
Positioning protrusion is arranged in pcb board position, and location hole corresponding with the positioning protrusion is opened up in the connection sheet or pcb board, described
Positioning protrusion is located in corresponding location hole.
9. open circuit according to claim 1, short switch, which is characterized in that the piston is conductive piston and described leads
Electric body extending part surface is laid with annular groove along the longitudinal direction, after the piston moves backward two seperated connection sheets or
Pcb board is caught in the annular groove on the electric conductor surface.
10. open circuit according to claim 1, short switch, which is characterized in that bayonet is set at left and right sides of lower housing,
Grab corresponding with the bayonet is arranged in the left and right sides in upper shell, and the grab is stuck in corresponding card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420494.2U CN207909794U (en) | 2018-03-27 | 2018-03-27 | A kind of breaking, short switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820420494.2U CN207909794U (en) | 2018-03-27 | 2018-03-27 | A kind of breaking, short switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207909794U true CN207909794U (en) | 2018-09-25 |
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ID=63559332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820420494.2U Active CN207909794U (en) | 2018-03-27 | 2018-03-27 | A kind of breaking, short switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207909794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747632A (en) * | 2020-12-30 | 2021-05-04 | 武汉高德红外股份有限公司 | Transmitter electromechanical fuse with state feedback |
-
2018
- 2018-03-27 CN CN201820420494.2U patent/CN207909794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747632A (en) * | 2020-12-30 | 2021-05-04 | 武汉高德红外股份有限公司 | Transmitter electromechanical fuse with state feedback |
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