CN112994412B - Power supply with insulation function - Google Patents
Power supply with insulation function Download PDFInfo
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- CN112994412B CN112994412B CN202110219742.3A CN202110219742A CN112994412B CN 112994412 B CN112994412 B CN 112994412B CN 202110219742 A CN202110219742 A CN 202110219742A CN 112994412 B CN112994412 B CN 112994412B
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- power supply
- electromagnetic relay
- power
- water
- supply box
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the technical field of power supplies, in particular to a power supply with an insulation function. The utility model provides a power with insulating function, includes power supply box and the power of setting in the power supply box, and the seam department in the power supply box is provided with the water inflation piece, and the even spaced seam department that sets up in the power supply box of water inflation piece all embeds in the water inflation piece and has the piezoresistor. The utility model provides a power with insulating function, can intelligent judgement the waterproof construction of power whether leak, if leak for ordinary structure is ageing, water-swelling rubber piece meets water swelling, make the piezo-resistor resistance value exceed threshold value B in it, make the thick form insulating waterproof liquid in the compression jar be full of the power supply box, the power supply of second electromagnetic relay control power supply switch cut off power simultaneously, guarantee the safety of new energy automobile power when taking place major accident, prevent to take place the secondary accident and influence people's life safety.
Description
Technical Field
The invention relates to the technical field of power supplies, in particular to a power supply with an insulation function.
Background
Nowadays, new energy automobiles are more and more popular, but an electric automobile running on the road is like a fully charged bomb, when the automobile is in a collision accident or falls into a river, the waterproof function of a power supply of the automobile is damaged, so that the power supply is in short circuit explosion, secondary accidents occur, and the life safety of people is seriously influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a power supply with an insulation function, which can intelligently judge whether a waterproof structure of the power supply leaks water, if the common structure leaks water due to aging, a water-swelling rubber block swells in water to block a water leakage gap, so that the resistance value of a piezoresistor in the power supply exceeds a threshold value B, and the number of the resistance values of the piezoresistors exceeding the threshold value B is less than or equal to a threshold value A, a control assembly only controls a power supply switch to cut off the power supply of the power supply, and simultaneously sends a warning of power supply water leakage to a vehicle driving center, if the power supply enters water due to a collision accident or a river falling accident of an automobile, so that the resistance value of the piezoresistor in the power supply exceeds the threshold value B, and the large-range water leakage can enable the resistance value of the piezoresistor to exceed the threshold value B to be more than the threshold value A, and the control assembly controls a first electromagnetic relay and a second electromagnetic relay to act simultaneously, make first electromagnetic relay control the compression jar valve is opened for the thick liquid of being insulated and waterproof of consistency in the compression jar is full of the power supply box, and second electromagnetic relay control power supply switch cuts off the power supply of power simultaneously, guarantees the safety of new energy automobile power when taking place major accident, prevents to take place the secondary accident and influences people's life safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a power supply with an insulation function, which comprises a power supply box and a power supply arranged in the power supply box, wherein the power supply box comprises an upper cover plate, a supporting framework, a lower base plate and a side plate arranged between the upper cover plate and the lower base plate, the upper cover plate and the side plate define a placing cavity for accommodating a power supply monomer, water-swelling blocks are arranged at seams in the power supply box and are uniformly arranged at the seams in the power supply box at intervals, piezoresistors are embedded in the water-swelling blocks, and pins at two ends of each piezoresistor penetrate through the water-swelling blocks and are positioned in the power supply box;
the power box is internally provided with a control assembly, a second electromagnetic relay and a power supply switch, the piezoresistor is respectively and electrically connected with the control assembly through pins at two ends of the piezoresistor, the control assembly is electrically connected with the second electromagnetic relay, and the second electromagnetic relay is electrically connected with the power supply switch;
the second electromagnetic relay can control the power supply switch to cut off the power supply of the power supply.
As a further improvement of the technical scheme, the power supply box further comprises a compression tank and a first electromagnetic relay, the first electromagnetic relay is electrically connected with the control component, a compression tank valve is arranged on the compression tank, the first electromagnetic relay is electrically connected with the compression tank valve, and the first electromagnetic relay can control the compression tank valve to be opened;
insulating waterproof liquid is compressed in the compression tank and is sticky.
As a further improvement of the above technical solution, the control component contains a control program, the control program is configured to determine whether the resistance value of each varistor is greater than a threshold B, and determine whether the number of the varistor that is greater than the threshold B is greater than a threshold a, if the determination of the control program is yes, the control component controls the first electromagnetic relay and the second electromagnetic relay to operate simultaneously, so that the first electromagnetic relay controls the compression tank valve to open, and the second electromagnetic relay controls the power supply switch to cut off the power supply of the power supply;
and if the control program judges that the number of the resistance values of the piezoresistors larger than the threshold B is smaller than or equal to the threshold A, the control component only controls the power supply switch to cut off the power supply of the power supply.
As a further improvement of the above technical solution, the control assembly includes:
the control program is written in the main control unit and used for controlling the driving of the driving module, and the driving module can be used for the action of the first electromagnetic relay and the second electromagnetic relay according to the control signal sent by the main control unit.
As a further improvement of the technical scheme, the water-swellable rubber block is a water-swellable rubber block.
The invention has the beneficial effects that: the power supply with the insulation function is provided, whether a waterproof structure of the power supply leaks or not can be intelligently judged, if the waterproof structure of the power supply leaks due to the aging of a common structure, the water-swelling rubber block swells when encountering water, a water leakage gap is blocked, the resistance value of the piezoresistor in the rubber block exceeds a threshold value B, and the number of the resistance values of the piezoresistors exceeding the threshold value B is smaller than or equal to a threshold value A, the control assembly only controls the power supply switch to cut off the power supply of the power supply, and simultaneously gives a warning of power supply leakage to a vehicle driving center, if the power supply enters water due to the collision accident of a vehicle or the accident of falling into a river, the resistance value of the piezoresistor in the rubber block exceeds the threshold value B, and the number of the resistance values of the piezoresistors exceeding the threshold value B in the rubber block in a large range is larger than the threshold value A, the control assembly controls the first electromagnetic relay and the second electromagnetic relay to simultaneously act, so that the first electromagnetic relay controls the compression tank valve to be opened, make the thick insulating waterproof liquid of consistency in the compression jar full of the power supply box, second electromagnetic relay control power supply switch cuts off the power supply of power simultaneously, guarantees the safety of new energy automobile power when taking place major accident, prevents to take place the secondary accident and influences people's life safety.
Drawings
Fig. 1 is a schematic structural diagram of the power box of the present embodiment.
Fig. 2 is a schematic structural diagram of the water-swellable rubber block of the embodiment.
Fig. 3 is a schematic diagram of the electrical connection between the control component and the piezoresistor and between the two electromagnetic relays in this embodiment.
Wherein the figures include the following reference numerals: 1. the water-swelling rubber block comprises a water-swelling rubber block, 2, a piezoresistor, 3, pins, 4, a main control unit, 5, a driving module, 6, a first electromagnetic relay, 7, a second electromagnetic relay, 8, a compression tank, 9, a power supply switch, 11, an upper cover plate, 12, a supporting framework, 13, a lower base plate, 14 and side plates.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.
As shown in fig. 1-3, a power supply with an insulation function comprises a power supply box and a power supply arranged in the power supply box, wherein the power supply box comprises an upper cover plate 11, a supporting framework 12, a lower cover plate 13 and a side plate 14 arranged between the upper cover plate 11 and the lower cover plate 13, the upper cover plate 11 and the side plate 14 enclose a placing cavity for accommodating a power supply monomer, water-swelling blocks are arranged at seams in the power supply box, the water-swelling blocks are uniformly arranged at the seams in the power supply box at intervals, piezoresistors 2 are embedded in the water-swelling blocks, and pins 3 at two ends of each piezoresistor 2 penetrate through the water-swelling blocks and are positioned in the power supply box; the power box also comprises a control component, a second electromagnetic relay 7 and a power supply switch 9, the piezoresistor 2 is respectively and electrically connected with the control component through pins 3 at two ends of the piezoresistor, the control component is electrically connected with the second electromagnetic relay 7, and the second electromagnetic relay 7 is electrically connected with the power supply switch 9; the second electromagnetic relay 7 can control the power supply switch 9 to cut off the power supply of the power supply.
Furthermore, the power box also comprises a compression tank 8 and a first electromagnetic relay 6, the first electromagnetic relay 6 is electrically connected with the control component, a valve of the compression tank 8 is arranged on the compression tank 8, the first electromagnetic relay 6 is electrically connected with the valve of the compression tank 8, and the first electromagnetic relay 6 can control the opening of the valve of the compression tank 8; the compression tank 8 is internally compressed with insulating waterproof liquid which is sticky liquid. Further, the control component contains a control program, the control program is used for judging whether the resistance value of each piezoresistor 2 is greater than a threshold value B or not, and simultaneously judging whether the number of the piezoresistors 2 with the resistance values greater than the threshold value B is greater than a threshold value A or not, if the judgment of the control program is yes, the control component controls the first electromagnetic relay 6 and the second electromagnetic relay 7 to simultaneously act, so that the first electromagnetic relay 6 controls the valve of the compression tank 8 to be opened, and the second electromagnetic relay 7 controls the power supply switch 9 to cut off the power supply of the power supply; if the control program judges that the number of the resistance values of the piezoresistors 2 larger than the threshold value B is smaller than or equal to the threshold value A, the control assembly only controls the power supply switch 9 to cut off the power supply of the power supply.
Further, the control assembly comprises a main control unit 4 and a driving module 5, wherein a control program is written in the main control unit 4 and is used for controlling the driving of the driving module 5, and the driving module 5 can be used for the actions of the first electromagnetic relay 6 and the second electromagnetic relay 7 according to a control signal sent by the main control unit 4.
Further, the water-swellable rubber block 1 is a water-swellable rubber block.
The embodiment provides a power supply with insulation function, which can intelligently judge whether a waterproof structure of the power supply leaks water, if the waterproof structure of the power supply leaks water due to aging of a common structure, a water-swelling rubber block 1 swells when encountering water to block a water leakage gap, so that the resistance value of a piezoresistor 2 in the rubber block exceeds a threshold value B, and the number of the resistance values of the piezoresistors 2 exceeding the threshold value B is less than or equal to a threshold value A, a control assembly only controls a power supply switch 9 to cut off the power supply of the power supply, and simultaneously sends a warning of power supply leakage to a vehicle driving center, if the resistance value of the piezoresistor 2 in the rubber block exceeds the threshold value B due to the fact that a vehicle collides or falls into a river to cause the water entering of the power supply, so that the resistance value of the piezoresistor 2 exceeds the threshold value B, and the large-range leakage piezoresistor 2 exceeds the threshold value B, and the control assembly controls a first electromagnetic relay 6 and a second electromagnetic relay 7 to act simultaneously, make first electromagnetic relay 6 control 8 valves of compression jar are opened for thick form insulating waterproof liquid in the compression jar 8 is full of the power supply box, and the power supply of power supply switch 9 cut off power supply is controlled to second electromagnetic relay 7 simultaneously, guarantees the safety of new energy automobile power when taking place major accident, prevents to take place the secondary accident and influences people's life safety.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. The utility model provides a power with insulating function, is in including power supply box and setting power in the power supply box, the power supply box includes upper cover plate, support chassis, lower plate and sets up curb plate between upper cover plate and the lower plate, upper cover plate and curb plate enclose into and are used for holding the free chamber of placing of power, its characterized in that:
the joint in the power supply box is provided with water-swelling blocks, the water-swelling blocks are uniformly arranged at the joint in the power supply box at intervals, piezoresistors are embedded in the water-swelling blocks, and pins at two ends of each piezoresistor penetrate through the water-swelling blocks and are positioned in the power supply box;
the power box is internally provided with a control assembly, a second electromagnetic relay and a power supply switch, the piezoresistor is respectively and electrically connected with the control assembly through pins at two ends of the piezoresistor, the control assembly is electrically connected with the second electromagnetic relay, and the second electromagnetic relay is electrically connected with the power supply switch;
the second electromagnetic relay can control the power supply switch to cut off the power supply of the power supply;
the power supply box is characterized in that a compression tank and a first electromagnetic relay are further included in the power supply box, the first electromagnetic relay is electrically connected with the control assembly, a compression tank valve is arranged on the compression tank, the first electromagnetic relay is electrically connected with the compression tank valve, and the first electromagnetic relay can control the compression tank valve to be opened;
insulating waterproof liquid is compressed in the compression tank, and the insulating waterproof liquid is viscous liquid;
the control assembly contains a control program, the control program is used for judging whether the resistance value of each piezoresistor is greater than a threshold value B or not, and judging whether the number of the piezoresistors with the resistance values greater than the threshold value B is greater than a threshold value A or not, if the judgment of the control program is positive, the control assembly controls a first electromagnetic relay and a second electromagnetic relay to simultaneously act, so that the first electromagnetic relay controls the compression tank valve to be opened, and the second electromagnetic relay controls the power supply switch to cut off the power supply of the power supply;
and if the control program judges that the number of the resistance values of the piezoresistors larger than the threshold B is smaller than or equal to the threshold A, the control component only controls the power supply switch to cut off the power supply of the power supply.
2. The power supply with insulating function according to claim 1, wherein the control assembly comprises:
the control program is written in the main control unit and used for controlling the driving of the driving module, and the driving module can be used for the action of the first electromagnetic relay and the second electromagnetic relay according to the control signal sent by the main control unit.
3. The power supply with an insulating function according to claim 2, wherein:
the water-swellable rubber block is a water-swellable rubber block.
Priority Applications (1)
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CN202110219742.3A CN112994412B (en) | 2021-02-26 | 2021-02-26 | Power supply with insulation function |
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CN202110219742.3A CN112994412B (en) | 2021-02-26 | 2021-02-26 | Power supply with insulation function |
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CN112994412A CN112994412A (en) | 2021-06-18 |
CN112994412B true CN112994412B (en) | 2022-04-05 |
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CN202110219742.3A Active CN112994412B (en) | 2021-02-26 | 2021-02-26 | Power supply with insulation function |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111981625A (en) * | 2019-05-21 | 2020-11-24 | 青岛海尔空调器有限总公司 | Air conditioner protection device, air conditioner and control method |
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JP5275176B2 (en) * | 2009-08-31 | 2013-08-28 | レノボ・シンガポール・プライベート・リミテッド | Battery pack and its function stop method |
CN105276380A (en) * | 2014-06-18 | 2016-01-27 | 贺俊 | Indoor water leakage intelligent protection system |
CN205489455U (en) * | 2015-12-30 | 2016-08-17 | 雷神科技(天津)有限公司 | Temperature sensitive power -off protection ware |
CN106790861A (en) * | 2016-12-07 | 2017-05-31 | 上海与德信息技术有限公司 | Mobile terminal and the method for preventing mobile terminal waterlogged damage |
CN107388047A (en) * | 2017-09-21 | 2017-11-24 | 刘艺赟 | A kind of kitchen water supply pipe explosion leak automatic emergency device |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111981625A (en) * | 2019-05-21 | 2020-11-24 | 青岛海尔空调器有限总公司 | Air conditioner protection device, air conditioner and control method |
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