CN210416236U - Safety protection device for electric automobile - Google Patents
Safety protection device for electric automobile Download PDFInfo
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- CN210416236U CN210416236U CN201921399921.4U CN201921399921U CN210416236U CN 210416236 U CN210416236 U CN 210416236U CN 201921399921 U CN201921399921 U CN 201921399921U CN 210416236 U CN210416236 U CN 210416236U
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- pps
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- base
- disconnector
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Abstract
The safety protection device for the electric automobile comprises a fuse, a PPS (polyphenylene sulfide) disconnector, a base and an outer cover; the method is characterized in that: the fuse and the PPS disconnector are arranged in a circuit connecting plate arranged on the base in a series connection mode and are fixedly connected with a current conducting plate in a circuit by bolts respectively to form a complete current loop. The utility model discloses because PPS disconnector and fuse that are used for protecting vehicle safety and vehicle in going personnel's safety organically integrate together, a safety arrangement who has the integrated function has been constituteed, make the vehicle no matter because the circular telegram short circuit, overload at the in-process of traveling, perhaps bump because of the careless and outside reason of operation, accidents such as the car of overturning, all can be at the cut-off circuit in the twinkling of an eye of occurence of failure, make the vehicle flame out, thereby avoid causing the pernicious accident or make the accident situation enlarge, explosion or burning accident, furthest protection personnel's security of the lives and property.
Description
The technical field is as follows:
the utility model belongs to the technical field of electric automobile and specifically relates to an electric automobile's safety arrangement is related to.
Background
In the driving process of the vehicle, the phenomena of lane change, sharp turning, acceleration, violent braking and flameout often exist due to the effects of factors such as road conditions, weather, traffic flow, speed, self quality condition of the vehicle, driver level, presence judgment capability and the like, if the operation is careless or external factors interfere with the vehicle, vicious accidents such as even vehicle turning over and collision are likely to occur, under the condition that the accident is likely to occur or is already occurred, firstly, the life safety of people sitting in the vehicle is considered and solved, the loss caused by the accident is reduced as much as possible, and the possibility of accident state enlargement is reduced.
Based on the consideration, most of the current vehicles are additionally provided with safety belts during design and manufacture, drivers are required to wear the safety belts during the driving process of the vehicles, and another important safety facility is the safety air bag, so that when the vehicles collide and overturn, the safety air bag bounces at the moment of impact to buffer the impact of more people in the vehicles. For the existing electric automobile, another important requirement is that the vehicle can have a device cut-off circuit at the moment of collision and turnover so as to prevent the vehicle from being still in a starting state, even the battery explodes due to temperature rise in a power-on state, so that the accident state is upgraded and the loss is enlarged.
SUMMERY OF THE UTILITY MODEL
In order to improve the safety protection capability of the vehicle, the power supply can be quickly cut off when the vehicle is in a serious accident such as collision, rollover and the like, the accident state expansion caused by battery explosion is prevented, and the life safety of people in the vehicle is protected to the maximum extent. An object of the utility model is to provide a stable in structure, excellent performance, the safety protection coefficient is high, processing is convenient, the sensitive electric automobile safety arrangement of reaction, the battery system at electric automobile is installed to this kind of device, can play the safety protection effect to the battery well, not only can bump at the vehicle, the power cut-off in the twinkling of an eye under the condition of malignant accidents such as car overturning, and because of lasting high speed at the vehicle, the climbing process always leads to battery damage or explosion because of the temperature risees, and the power cut-off under the condition of lasting overload, accidents are prevented, furthest protects vehicle safety and personnel's the security of the lives and property. Moreover, the device can be applied to electric automobiles, fuel vehicles, motorcycles, rail traffic, ships and other vehicles.
In order to achieve the above purpose, the utility model provides a following technical scheme:
1. the safety protection device for the electric automobile comprises a fuse, a PPS (polyphenylene sulfide) disconnector, a base and an outer cover; the method is characterized in that: the fuse and the PPS disconnector are arranged in a circuit connecting plate arranged on the base in a series connection mode and are fixedly connected with a current conducting plate in a circuit by bolts respectively to form a complete current loop.
2. The circuit connecting plate that sets up on the base comprises triplex, including upper junction plate, lower connecting plate and back connecting plate, and wherein the back connecting plate is the U-shaped, and the bottom of every circuit connecting plate all is provided with the screw hole.
3. The circuit connecting plate is arranged in an installation clamping groove formed in the base, and a bolt penetrates through a bolt hole formed in the reverse side of the bottom of the base to enter a threaded hole of the circuit connecting plate to fix the circuit connecting plate on the base.
4. A partition plate is arranged between the upper connecting plate and the lower connecting plate of the base circuit connecting plate so as to prevent the upper connecting plate and the lower connecting plate from contacting due to displacement and causing short circuit.
5. The lower extreme that is used for installing the PPS disconnect-ware at the base is provided with the support frame for support and the PPS disconnect-ware that the circuit connection board is established ties fixedly, with the stability of reinforcing PPS disconnect-ware.
6. And the bottom of the base is provided with a mounting base fixing hole for fixing the mounting base on an automobile battery circuit system.
7. And the upper end of the PPS disconnector is provided with a power-on signal indicator.
8. And the upper end of the outer cover is provided with a radiating fin and an electrifying signal indicating hole.
9. The inside draw-in groove that is provided with fuse, PPS disconnector and circuit connection board of enclosing cover is used for strengthening fixed fuse, PPS disconnector and circuit connection board.
10. Arc extinguishing filler is filled between the PPS disconnector and the gaps of the fuse, the PPS disconnector and the circuit connecting plate which are installed in the base, so that the arc extinguishing effect of the safety protection device of the electric automobile is enhanced.
The utility model discloses because PPS disconnector and fuse that are used for protecting vehicle safety and vehicle in going personnel's safety organically integrate together, a safety arrangement who has the integrated function has been constituteed, make the vehicle no matter because the circular telegram short circuit at the in-process of traveling, perhaps because of the careless and outside reason bumps, accidents such as car overturning, all can be at the cut-off circuit in the twinkling of an eye of occurence of failure, make the vehicle flame out, thereby avoid causing the pernicious accident or make the accident situation enlarge, the explosion or the burning accident, furthest protection personnel's security of the lives and property.
The utility model discloses owing to be provided with a circular telegram signal indicator on the top of PPS disconnect-off, through covering the signal state that the audio-visual indicator of observing in circular telegram signal indication hole that sets up outward, when the vehicle driving process was because of transshipping trouble signal, can in time remind the navigating mate to park the inspection and the troubleshooting reason to avoid appearing the vehicle part damage, perhaps take place the vicious accident.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic view of the overall appearance of the present invention.
Fig. 3 is a schematic diagram of an explosion structure according to an embodiment of the present invention.
Description of reference numerals: 1. fuse, 2, PPS disconnector, 3, base, 4, enclosing cover, 5, construction bolt, 6, arc extinguishing filler, 7, fixing bolt, 21, circular telegram signal indicator, 31, last circuit connecting plate, 32, lower circuit connecting plate, 33, back circuit connecting plate, 34, fuse connection fixing bolt, 35, PPS disconnector connection fixing bolt, 36, enclosing cover installation fixed orifices, 37, the baffle, 38, the bullet pad, 39, the gasket, 310, back circuit connecting plate fixed orifices, 311, PPS disconnector support frame, 312, circuit connecting plate fastening bolt, 41, the fin, 42, circular telegram signal indicator hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1, 2 and 3, the safety protection device for the electric automobile mainly comprises a fuse 1, a PPS disconnector 2, a base 3 and an outer cover 4. The fuse 1 and the PPS disconnector 2 can be manufactured by self or purchased from the market as outsourced components.
The base part comprises a circuit connecting board, because a fuse 1 and a PPS disconnector 2 need to be connected in series on a circuit and form a finished loop, the circuit connecting board is divided into three parts, namely an upper circuit connecting board 31, a lower circuit connecting board 32 and a rear circuit connecting board 33, and the connecting boards are made of copper and silver-plated copper.
In order to prevent short circuit of the circuit in use and to increase the creepage distance between the upper and lower connection plates 31 and 32, a partition 37 is provided between the upper and lower connection plates 31 and 32 of the base 3, and also functions to cut off the arc when the arc phenomenon occurs due to short circuit.
When the installation is carried out, the circuit connecting plates (the upper circuit connecting plate 31, the lower circuit connecting plate 32 and the rear circuit connecting plate 33) are respectively inserted into the clamping grooves formed in the base 3, then the circuit connecting plate fastening bolts 312 penetrate through the bottom of the base 3 from the reverse side of the bottom of the base 3, penetrate through the threaded holes formed in the circuit connecting plates (the upper circuit connecting plate 31, the lower circuit connecting plate 32 and the rear circuit connecting plate 33) and are screwed by a torque wrench, so that the circuit connecting plates (the upper circuit connecting plate 31, the lower circuit connecting plate 32 and the rear circuit connecting plate 33) are firmly and stably installed on the base 3.
After the circuit connection plates (the upper circuit connection plate 31, the lower circuit connection plate 32, and the rear circuit connection plate 33) are mounted, then the fuse 1 and the PPS disconnector 2 are inserted between the upper circuit connection plate 31 and the rear circuit connection plate 33, and between the lower circuit connection plate 32 and the rear circuit connection plate 33, then the fuse connecting fixing bolt 34 and the PPS disconnector connecting fixing bolt 35 (the elastic pad 38 is previously inserted on the fuse connecting fixing bolt 34 and the PPS disconnector connecting fixing bolt 35) are inserted in the through holes provided on the fuse 1, the upper circuit connection plate 31, the rear circuit connection plate 33, and the through holes provided on the PPS disconnector 2, the lower circuit connection plate 32, and the rear circuit connection plate 33, respectively, and the gasket 39 is added between the PPS disconnector 2, the lower circuit connection plate 32, and the rear circuit connection plate 33, and then the bolts are tightened to make the upper circuit connection plate 31, the PPS disconnector 32, and the PPS disconnector connecting bolt 35, The fuse 1, the rear circuit connecting plate 33, the PPS disconnector 2 and the lower circuit connecting plate 32 are connected in series to form a complete power-on loop.
When the PPS disconnector 2 is inserted, attention is paid to placing the PPS disconnector on a PPS disconnector supporting frame 311 arranged on a base 3 so as to increase the installation stability of the PPS disconnector 2, and meanwhile, the lower part of the PPS disconnector can be filled with arc extinguishing filler 6, so that bolt holes can be conveniently aligned and screwed.
After the components are installed, arc extinguishing filler 6 is filled between gaps of the components, and the arc extinguishing filler can be quartz sand with high silicon content or high-strength cement so as to enhance the arc extinguishing effect.
After the components on the base 3 are installed and arc extinguishing filler 6 is filled, the outer cover 4 is covered, and the mounting bolts 5 penetrate into the outer cover mounting fixing holes 36 arranged on the periphery and are screwed down, so that the production and manufacturing of the safety protection device of the electric automobile are completed.
In the implementation process, in order to enhance the stability, a high-elasticity, corrosion-resistant, high-temperature-resistant and anti-aging gasket can be added between the outer cover 4 and the base 3, so that the sealing performance of the safety protection device of the electric automobile is better.
Consider that electric automobile safety arrangement can generate heat because the circular telegram in the in-service use, consequently the utility model discloses outer end at enclosing cover 4 is provided with fin 41 to make the vehicle in time give off the heat that parts such as electric automobile safety arrangement internal circuit connecting plate, fuse 1 and PPS disconnector 2 produced because of the circular telegram in the in-process of traveling, with improvement security performance, increase of service life.
In addition, considering the service environment of the safety protection device of the electric automobile, the materials of the outer cover 4 and the base 3 are high-strength engineering plastics so as to increase the anti-extrusion and anti-collision capacity.
And the baffle 37 that sets up on the base 3 both can prevent the short circuit in the use, can also increase the creepage distance between last circuit connection board 31 and the lower circuit connection board 32 to owing to filled arc extinguishing filler 6 between the two, like this when appearing the phenomenon of arcing because of circular telegram short circuit, can play the effect of blocking electric arc and extinguishing electric arc rapidly, in order to prevent electric automobile safety arrangement burning of starting a fire.
When the safety protection device is installed on a vehicle, the safety protection device can be stably and firmly installed on the battery system of the vehicle by connecting bolts in series into the vehicle circuit through bolt through holes arranged at the outer port parts of the upper circuit connecting plate 31 and the lower circuit connecting plate 32 and fastening the bolts 312 into the vehicle circuit through fixing through holes arranged at the bottom of the base 3 by using the circuit connecting plates.
In practical application, when a vehicle runs and accidents such as collision, rollover and the like occur due to misoperation of a driver or external reasons, a pulse sensor connected to the outside of the safety protection device of the electric vehicle transmits a pulse signal to the safety protection device of the electric vehicle, and at the moment, after receiving the signal, the PPS disconnector 2 detonates trace explosive in the disconnector within 1ms to push the disconnecting blade to impact the circuit board and disconnect the circuit board, so that the power supply of the vehicle is interrupted.
If short circuit occurs due to circuit failure in the running process of the vehicle, the temperature of the melt in the fuse 1 in the safety protection device of the electric vehicle is rapidly increased and is fused within 10ms, so that the power supply of the vehicle is interrupted, and the safety of the vehicle and personnel is protected to the maximum extent.
The other function of the safety protection device of the electric automobile is overload protection, and a green light on the power-on signal indicator 21 is normally on in the running process of the automobile. If the power supply line is overloaded, when the overload current reaches 1.1 times of the rated current, the temperature of the melt in the fuse 1 slowly rises, at the moment, the green light of the power-on signal indicator 21 observed from the power-on signal indicating hole 42 is changed into the red light, a driver is prompted to stop to check and eliminate the line fault, and when the driver neglects or carelessly does not see the fuse, the fuse is fused within 60min under the condition that the current of the fuse is overloaded, so that the power supply is interrupted, and the vehicle stops running, so as to prevent the occurrence of safety accidents; when the overload current reaches 1.5 times of the rated current, the temperature of the melt in the fuse 1 is rapidly increased, and … … is fused within 30 min; when the overload current reaches 1.8 times of the rated current, the temperature of the melt in the fuse 1 is rapidly increased, and … … is fused within 20 min; when the overload current reaches 2 times of the rated current, the temperature of the melt in the fuse 1 rises rapidly, and the fuse … … is fused within 10 min.
In conclusion, because the utility model relates to an electric automobile safety arrangement, the PPS breaker and the fuse that will be used for protecting vehicle safety and vehicle in going personnel's safety are organically integrated together, constitute a safety arrangement who has the integrated function, the device has short-circuit protection, collision/roll over protection and overload protection's function, make the vehicle no matter be because of circular telegram short circuit, overload at the in-process of traveling, or because of operating carelessly and accident such as the external cause bumps, roll over, can all be in the cutting off circuit in the twinkling of an eye that takes place the accident, make the vehicle flame out, thereby avoid causing malignant accident or make the accident situation enlarge, the emergence explosion or the burning accident, furthest protection personnel's property life safety.
The utility model discloses because be provided with a circular telegram signal indicator on the top of PPS disconnect-ware, through covering the audio-visual signal state who observes the indicator in circular telegram signal indication hole that sets up outward, when the vehicle driving process is because of transshipping trouble signal, can in time remind the navigating mate to park the inspection and remove the trouble reason, and can also install the signal connection of indicator on motormeter dish as required, be convenient for navigating mate's observation, thereby avoid appearing the vehicle parts damage, perhaps take place the vicious accident.
Claims (10)
1. The safety protection device for the electric automobile comprises a fuse, a PPS (polyphenylene sulfide) disconnector, a base and an outer cover; the method is characterized in that: the fuse and the PPS disconnector are arranged in a circuit connecting plate arranged on the base in a series connection mode and are fixedly connected with a current conducting plate in a circuit by bolts respectively to form a complete current loop.
2. The safety protection device for the electric automobile according to claim 1, characterized in that: the circuit connecting plate that sets up on the base comprises triplex, including upper junction plate, lower connecting plate and back connecting plate, and wherein the back connecting plate is the U-shaped, and the bottom of every circuit connecting plate all is provided with the screw hole.
3. The safety protection device for the electric automobile according to claim 2, characterized in that: the circuit connecting plate is arranged in an installation clamping groove formed in the base, and a bolt penetrates through a bolt hole formed in the reverse side of the bottom of the base to enter a threaded hole of the circuit connecting plate to fix the circuit connecting plate on the base.
4. The safety protection device for the electric automobile according to claim 1, characterized in that: a partition plate is arranged between the upper connecting plate and the lower connecting plate of the base circuit connecting plate so as to prevent the upper connecting plate and the lower connecting plate from contacting due to displacement and causing short circuit.
5. The safety protection device for the electric automobile according to claim 1, characterized in that: the lower extreme that is used for installing the PPS disconnect-ware on the base is provided with the support frame for support and the PPS disconnect-ware that the circuit connection board is established ties fixedly, with the stability of reinforcing PPS disconnect-ware.
6. The safety protection device for the electric automobile according to claim 1, characterized in that: the bottom of the base is provided with a mounting base fixing hole, and threads are arranged in the fixing hole and used for fixing the mounting base on an automobile battery circuit system.
7. The safety protection device for the electric automobile according to claim 1, characterized in that: and the upper end of the PPS disconnector is provided with a power-on signal indicator.
8. The safety protection device for the electric automobile according to claim 1, characterized in that: and the upper end of the outer cover is provided with a radiating fin and an electrifying signal indicating hole.
9. The safety protection device for the electric automobile according to claim 1, characterized in that: the inside draw-in groove that is provided with fuse, PPS disconnector and circuit connection board of enclosing cover is used for strengthening fixed fuse, PPS disconnector and circuit connection board.
10. The safety protection device for the electric automobile according to claim 1, characterized in that: arc extinguishing filler is filled between the PPS disconnector and the gaps of the fuse, the PPS disconnector and the circuit connecting plate which are installed in the base, so that the arc extinguishing effect of the safety protection device of the electric automobile is enhanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399921.4U CN210416236U (en) | 2019-08-16 | 2019-08-16 | Safety protection device for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921399921.4U CN210416236U (en) | 2019-08-16 | 2019-08-16 | Safety protection device for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210416236U true CN210416236U (en) | 2020-04-28 |
Family
ID=70364483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921399921.4U Active CN210416236U (en) | 2019-08-16 | 2019-08-16 | Safety protection device for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210416236U (en) |
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2019
- 2019-08-16 CN CN201921399921.4U patent/CN210416236U/en active Active
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