CN110901393A - Safety switcher for storage battery of electric vehicle and control method of safety switcher - Google Patents
Safety switcher for storage battery of electric vehicle and control method of safety switcher Download PDFInfo
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- CN110901393A CN110901393A CN201811077344.7A CN201811077344A CN110901393A CN 110901393 A CN110901393 A CN 110901393A CN 201811077344 A CN201811077344 A CN 201811077344A CN 110901393 A CN110901393 A CN 110901393A
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- connector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
Abstract
The invention relates to a safety switcher for storage batteries of an electric vehicle, which comprises a first connector, a first relay, a second connector, a second relay, a switch connector, a control connector and a load connector, wherein the first relay is connected with the first connector; a positive line of a first connector is coupled with a port No. 1 of the first relay, the first connector is a double-hole connector, and the two ports are connected with a first storage battery; the positive line of a second connector is coupled with the port No. 1 of the second relay, the second connector is a double-hole connector, and the two ports are connected with a second storage battery; a first coupling point is arranged between the first connector and the second connector, the negative poles of the first connector and the second connector are both coupled with the first coupling point, the switch connector is a point contact switch, and the No. 2 port of the switch connector is coupled with the first coupling point. The invention has the advantages of ensuring the safety by reducing the current at the switch connector, and having fewer used components and low cost.
Description
Technical Field
The invention relates to the technical field of storage battery switching of electric vehicles, in particular to a safety switcher of an electric vehicle storage battery and a control method thereof.
Background
The electric vehicle taking a power storage battery as an energy source is regarded as green engineering in the 21 st century, the development of the automobile industry is brought into a brand new field by the appearance of the electric vehicle, and at present, the electric vehicle industry in China is developed at an unprecedented speed.
In the prior art, a patent document with reference to patent application No. CN106608170A discloses an electric vehicle, in which two ends of a cylindrical cab with a sliding plug door are provided with baffles, the centers of the two baffles are respectively connected with a wheel driven by a linear motor, and a storage battery and an operating system for supplying power to the two linear motors are arranged in the cab. The vehicle-mounted storage battery is used for supplying power, the linear motor is used for driving the structure to be simple and convenient to regulate speed, and the vehicle is enabled to run and turn through the control circuit; the two-wheel concentric distribution type electric bicycle can be used singly or in a combination of two or more groups, the safety of a user is guaranteed without exposing the body outside, the utilization rate of the two-wheel concentric distribution space is high, and the operation is stable.
The above prior art solutions have the following drawbacks: at present in order to guarantee the continuation of the journey of electric motor car, some electric motor cars adopt two sets of batteries to supply power to the electric motor car, and realize the switching of electric motor car battery through battery change over switch, but this kind of electric motor car adopts the mode of forceful electric power control forceful electric power to realize the switching of battery, because electric motor car battery change over switch's position all is located the position department of handlebar, the electric current of handlebar position department is great like this, after the electric motor car uses a period, if there is certain colliding with in the position department of handlebar, the people touch the higher electric wire of contact current easily and produce danger like this.
Disclosure of Invention
The invention aims to provide a safe switcher for an electric vehicle storage battery, which is safe, uses few components and is low in cost.
The above object of the present invention is achieved by the following technical solutions:
a safety switcher for an electric vehicle storage battery comprises a first connector, a first relay, a second connector, a second relay, a switch connector, a control connector and a load connector; a positive line of a first connector is coupled with a port No. 1 of the first relay, the first connector is a double-hole connector, and the two ports are connected with a first storage battery; the positive line of a second connector is coupled with the port No. 1 of the second relay, the second connector is a double-hole connector, and the two ports are connected with a second storage battery; a first coupling point is arranged between the first connector and the second connector, the negative poles of the first connector and the second connector are both coupled with the first coupling point, and the switch connector is a point contact type switch connector, wherein the No. 2 port of the switch connector is coupled with the first coupling point; the switch connector is electrically connected with the battery change-over switch, the port 1 of the switch connector is coupled with the port 4 of the second relay, the port 3 of the switch connector is coupled with the port 4 of the first relay, the ports 1 of the first relay and the second battery extend out of the port 2, the port 2 is a movable contact of the first relay and the second relay, and the port 4 is a static contact of the first relay and the second relay; a second coupling point is arranged between the first relay and the second relay, the first relay and the second relay are respectively coupled with the second coupling point, the control connector is a three-hole connector and is electrically connected with the electric vehicle controller, a port 1 of the control connector is coupled with the first coupling point, a port 2 of the control connector is coupled with one end of the load connector, and a port 3 of the control connector is coupled with the second coupling point; the load connector is a two-hole connector and is electrically connected to the load, and the other end of the load connector is coupled to the second coupling point.
Through adopting above-mentioned technical scheme, switch-on respectively of two batteries is realized through stirring battery change over switch's different positions like this, compare in singly organizing that battery duration is stronger, and when the electric quantity of a battery is lower, stir battery change over switch and make the more sufficient battery of another electric quantity supply power to the electric motor car, the electric motor car can remain the operation of higher speed all the time, and realize the conversion to two batteries through stirring battery change over switch, the trouble of two sets of batteries in-process plug power cord has been avoided changing each other, stir the conversion process that reaches two sets of batteries about the below by changeing, high durability and convenient use.
And control getting electric and losing the point of two batteries through two relays, can realize the control of weak current to the forceful electric power, the in-process of battery conversion, the electric current through battery change over switch is not more than 1A, even change position department like this and take place to collide with when having certain wearing and tearing, thereby the electric current also very little at this moment can not produce the damage to the people almost, and is safer, has solved the electric motor car battery conversion field and has eagerly solved but the technical problem that can not solve all the time.
The circuit designed for realizing the conversion function of the storage battery by adopting a mode of controlling strong electricity by strong electricity is complex, the circuit realizes the conversion of the storage battery by using very few components, and by the arrangement, the effect of the conversion of the storage battery is achieved by using a mode of omitting elements, the cost is further reduced, and the popularization is easier.
The invention is further configured to: all three lead-out wires of the switch connector can adopt the caliber of 0.3 mm.
By adopting the above technical solution, according to the national regulations, a 1 mm thick wire needs to be adopted for every 9A current, and the output current of the present storage battery is between 15-16A, which requires that a 1.5mm wire be adopted on each line of the converter. The wires of the battery change-over switch need to be led from the position of the handle to the position of the tail of the vehicle, and the wires are three very long wires, and the three wires led out by the battery change-over switch can adopt 0.3 mm, so that the cost is greatly reduced.
The invention is further configured to: both ends of the load connector can be connected with a load by adopting 0.5mm wires.
Through adopting above-mentioned technical scheme, load junction compares in adopting thicker electric wire, and is more economical and practical.
The invention is further configured to: a rupture disc is coupled in series between the load connector and the second coupling point.
By adopting the technical scheme, the safety disc can protect the load and prevent the short circuit of the load from burning out the converter circuit.
The invention is further configured to: the battery change-over switch can adopt a point contact type change-over switch.
Through adopting above-mentioned technical scheme, adopt the change over switch of point contact formula to realize the conversion of battery, because according to the size that flows through the electric current, in order to guarantee the security, the cost of the battery change over switch of different electric currents is also different, if lets in the electric current of 15A in the battery change over switch, the electric current is too big, and ordinary battery change over switch is difficult to bear, and the electric current that passes through the battery change over switch now is less than 1A, can adopt the lower battery converter of cost, further reduce the cost.
The invention is further configured to: when the battery change-over switch is switched to the position of the No. 2 port, the first relay and the second relay are in a disconnected state, the first connector and the second connector are not powered, the first storage battery and the second storage battery cannot supply power to the electric vehicle, and the electric vehicle stops; when the battery change-over switch is shifted to the position of the No. 1 port, the second relay enables the No. 2 movable contact to be communicated with the No. 4 static contact through the weak current attraction principle, and the second relay is electrified; at the moment, the current flows out of the second storage battery, passes through the No. 1 contact and the No. 3 contact of the second relay and then passes through the second coupling point, the control connector is connected with the load connector in parallel, and the current flows into the first coupling point through the load connected with the load connector and the controller connected with the control connector respectively; meanwhile, the current at the No. 1 static contact of the second relay flows into the No. 1 coupling point through the No. 1 movable contact and the No. 4 static contact and flows into the No. 1 coupling point through the No. 1 contact and the No. 2 contact of the switch connector, and the current enters the negative terminal of the second connector from the No. 1 coupling point and flows into the second storage battery; when the battery change-over switch is shifted to the position of the No. 3 port, the first relay enables the No. 2 movable contact to be communicated with the No. 4 static contact through the weak current attraction principle, and the first relay is electrified; at the moment, the current flows out of the first storage battery, passes through the No. 1 contact and the No. 3 contact of the first relay and then passes through the second coupling point, the control connector is connected with the load connector in parallel, and the current flows into the first coupling point through the load connected with the load connector and the controller connected with the control connector respectively; meanwhile, the current at the No. 1 static contact of the first relay flows into the No. 1 coupling point through the No. 2 movable contact and the No. 4 static contact, flows into the No. 1 coupling point through the No. 3 contact and the No. 2 contact of the switch connector, and enters the negative terminal of the first connector from the No. 1 coupling point and flows into the first storage battery.
By adopting the technical scheme, the battery of the electric vehicle is converted in the manner of manual dialing, and the method is simple and convenient.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the storage battery is switched by matching the switch connector with the first relay and the second relay, the current at the switch connector is small to ensure the safety, and meanwhile, fewer components are used and the cost is low;
2. according to the invention, the wires at the switch connector can be adopted to be 0.3 mm, so that the cost is greatly reduced;
3. the invention reduces the cost by adopting the point contact type switch connector.
Drawings
FIG. 1 is a schematic view of the overall connection structure of the present invention;
FIG. 2 is a schematic diagram of the connection structure of the battery switch of the present invention when it is switched to the No. 1 port;
fig. 3 is a schematic diagram of the connection structure of the battery switcher when the battery switcher is switched to the number 3 port.
In the figure, 1, a first connector; 2. a first relay; 3. a second connector; 4. a second relay; 5. a switch connector; 51. a battery changeover switch; 6. a control connector; 7. a load connector; 8. a first storage battery; 9. a second storage battery; 10. a first coupling point; 11. a second coupling point; 12. a safety disc.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the safety switch for the storage battery of the electric vehicle disclosed by the invention comprises a first connector 1, a first relay 2, a second connector 3, a second relay 4, a switch connector 5, a battery change-over switch 51, a control connector 6 and a load connector 7. The positive line of the first connector 1 is coupled to port No. 1 of the first relay 2, the first connector 1 is a two-hole connector and the first storage battery 8 is connected to both ports. The positive line of the second connector 3 is coupled with port No. 1 of the second relay 4, the second connector 3 is a double-hole connector and the two ports are connected with the second storage battery 9.
A first coupling point 10 is arranged between the first connector 1 and the second connector 3, the negative lines of the first connector 1 and the second connector 3 are both coupled with the first coupling point 10, the switch connector 5 is a point contact switch, and the port No. 2 of the switch connector 5 is coupled with the first coupling point 10. No. 1 port of switch connector 5 is coupled with No. 4 port of second relay 4, and No. 3 port of switch connector 5 is coupled with No. 4 port of first relay 2, and No. 1 port of first relay 2 and second battery all stretches out No. 2 ports, and No. 2 ports are the movable contact of first relay 2 and second relay 4, and No. 4 ports are the stationary contact of first relay 2 and second relay 4. Switch connector 5 is connected with battery change over switch 51 electricity, and switch connector 5's three port all can adopt 0.3 mm's electric wire to link to each other with components and parts, and the cost is lower like this, more economical and practical.
A second coupling point 11 is arranged between the first relay 2 and the second relay 4, the first relay 2 and the second relay 4 are respectively coupled with the second coupling point 11, the control connector 6 is a three-hole connector and is electrically connected with an electric vehicle controller, a port 1 of the control connector 6 is coupled with the first coupling point 10, a port 2 of the control connector 6 is coupled with one end of the load connector 7, and a port 3 of the control connector 6 is coupled with the second coupling point 11.
The load connector 7 is a double-hole connector and is electrically connected with a load, the other end of the load connector 7 is coupled with the second coupling point 11, a safety disc 12 is coupled between the load connector 7 and the second coupling point 11 in series, the safety disc 12 is a 5A-class safety disc, and through the arrangement, the safety disc 12 can protect the load and prevent the short circuit of the load from burning out the converter circuit.
Load connector 7 both ends can all adopt 0.5 mm's electric wire to connect the load, compare like this and adopt thicker electric wire, more economical and practical.
The implementation principle of the embodiment is as follows: when the position department of No. 2 port is dialled to battery change over switch 51, first relay 2 and second relay 4 are in the off-state, and first connector 1 and second connector 3 do not all get electric, and first battery 8 and second battery 9 can not be to the electric motor car power supply, and the electric motor car stops.
As shown in fig. 2, when the battery switch 51 is shifted to the position of port No. 1, the second relay 4 makes the movable contact No. 2 and the stationary contact No. 4 be connected by the weak current attraction principle, and the second relay 4 is powered on. At this time, the current flows out of the second storage battery 9, passes through the contact point 1 and the contact point 3 of the second relay 4 and then passes through the second coupling point 11, at this time, the control connector 6 is connected with the load connector 7 in parallel, and the current flows into the first coupling point 10 through the load connected with the load connector 7 and the controller connected with the control connector 6. Meanwhile, the current at the No. 41 fixed contact of the second relay flows through the No. 2 movable contact and the No. 4 fixed contact, flows through the No. 1 contact and the No. 2 contact of the switch connector 5 into the No. 1 coupling point, and enters the negative terminal of the second connector 3 from the No. 1 coupling point and flows into the second storage battery 9.
As shown in fig. 3, when the battery switch 51 is shifted to the position of port No. 3, the first relay 2 makes the movable contact No. 2 and the stationary contact No. 4 through the principle of weak current attraction, and the first relay 2 is electrified. At this time, the current flows out of the first storage battery 8, passes through the contact point 1 and the contact point 3 of the first relay 2 and then passes through the second coupling point 11, at this time, the control connector 6 is connected with the load connector 7 in parallel, and the current flows into the first coupling point 10 through the load connected with the load connector 7 and the controller connected with the control connector 6. Meanwhile, the current at the No. 21 fixed contact of the first relay flows into the No. 1 coupling point through the No. 2 movable contact and the No. 4 fixed contact, flows into the No. 3 contact and the No. 2 contact of the switch connector 5, and enters the negative terminal of the first connector 1 from the No. 1 coupling point and flows into the first storage battery 8.
Switch-on respectively of two batteries is realized through the different positions of stirring battery change over switch 51 like this, compare in singly organizing that battery duration is stronger, and when the electric quantity of a battery is lower, stir battery change over switch 51 and make the more sufficient battery of another electric quantity supply power to the electric motor car, the electric motor car can remain the operation of higher speed throughout, and realize the conversion to two batteries through stirring battery change over switch 51, the trouble of plug power cord is repeatedly changed in-process to two sets of batteries each other has been avoided, stir the conversion process that reaches two sets of batteries about the below by the commentaries on classics, high durability and convenient use.
And control the getting electric and losing the point of two batteries through two relays, can realize the control of weak current to the forceful electric power, the in-process of battery conversion, current through battery change over switch 51 is not more than 1A, even if take place to collide with in the position department and have certain wearing and tearing like this, thereby the current this moment also very little can not produce the damage to the people hardly, and is safer, has solved the electric motor car battery conversion field and has eagerly solved but the technical problem that can not solve all the time.
Since the current of the battery switch 51 is small, according to the national regulations, a thick wire of 1 mm needs to be adopted for every 9A current, and the output current of the present battery is between 15-16A, which requires a wire of 1.5mm to be adopted on each line of the converter. The wires of the battery switch 51 need to be led out from the position of the handle, and are three very long wires, and now the three wires led out from the battery switch 51 can all adopt 0.3 mm, so that the cost is greatly reduced, the circuit designed for realizing the conversion function of the storage battery by adopting the mode of strong current control strong current is complex, the circuit realizes the conversion of the storage battery by using very few components, and by the arrangement, the effect of the conversion of the storage battery is achieved by adopting the mode of element omission, the cost is further reduced, and the popularization is easier.
The point contact type change-over switch is adopted to realize the change-over of the storage battery, because the manufacturing cost of the battery change-over switch 51 with different currents is different in order to ensure the safety according to the magnitude of the flowing current, if the current of 15A is introduced into the battery change-over switch 51, the current is overlarge, the common battery change-over switch 51 is difficult to bear, and the current passing through the battery change-over switch 51 is smaller than 1A, the point contact type change-over switch with lower cost can be adopted, and the cost is further reduced.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (6)
1. The utility model provides an electric motor car battery safety switch which characterized in that: the relay switch comprises a first connector (1), a first relay (2), a second connector (3), a second relay (4), a switch connector (5), a control connector (6) and a load connector (7);
the positive line of the first connector (1) is coupled with the port No. 1 of the first relay (2), the first connector (1) is a double-hole connector, and the two ports are connected with a first storage battery (8); the positive line of the second connector (3) is coupled with the port No. 1 of the second relay (4), the second connector (3) is a double-hole connector, and the two ports are connected with a second storage battery (9);
a first coupling point (10) is arranged between the first connector (1) and the second connector (3), the negative poles of the first connector (1) and the second connector (3) are both coupled with the first coupling point (10), the switch connector (5) is a point contact switch, and the No. 2 port of the switch connector (5) is coupled with the first coupling point (10);
the switch connector (5) is electrically connected with the battery change-over switch (51), the port 1 of the switch connector (5) is coupled with the port 4 of the second relay (4), the port 3 of the switch connector (5) is coupled with the port 4 of the first relay (2), the ports 1 of the first relay (2) and the second battery are extended with the port 2, the port 2 is a movable contact of the first relay (2) and the second relay (4), and the port 4 is a static contact of the first relay (2) and the second relay (4);
a second coupling point (11) is arranged between the first relay (2) and the second relay (4), the first relay (2) and the second relay (4) are respectively coupled with the second coupling point (11), the control connector (6) is a three-hole connector and is electrically connected with an electric vehicle controller, a port 1 of the control connector (6) is coupled with the first coupling point (10), a port 2 of the control connector (6) is coupled with one end of the load connector (7), and a port 3 of the control connector (6) is coupled with the second coupling point (11);
the load connector (7) is a two-hole connector and electrically connects a load, and the other end of the load connector (7) is coupled with the second coupling point (11).
2. The electric vehicle battery safety switch of claim 1, wherein: all three lead-out wires of the switch connector (5) can adopt the caliber of 0.3 mm.
3. The electric vehicle battery safety switch of claim 1, wherein: both ends of the load connector (7) can be connected with loads by adopting 0.5mm wires.
4. The electric vehicle battery safety switch of claim 1, wherein: a rupture disc (12) is coupled in series between the load connector (7) and the second coupling point (11).
5. The electric vehicle battery safety switch of claim 1, wherein: the battery changeover switch (51) can be a point-contact type changeover switch.
6. A safety switcher for storage batteries of electric vehicles and a control method thereof are characterized in that: when the battery change-over switch (51) is switched to the position of the No. 2 port, the first relay (2) and the second relay (4) are in a disconnected state, the first connector (1) and the second connector (3) are not powered, the first storage battery (8) and the second storage battery (9) are not powered on the electric vehicle, and the electric vehicle stops;
when the battery change-over switch (51) is shifted to the position of the No. 1 port, the second relay (4) enables the No. 2 movable contact to be communicated with the No. 4 static contact through the weak current attraction principle, and the second relay (4) is electrified; at the moment, the current flows out of the second storage battery (9), passes through the No. 1 contact and the No. 3 contact of the second relay (4) and then passes through the second coupling point (11), at the moment, the control connector (6) is connected with the load connector (7) in parallel, and the current flows into the first coupling point (10) through the load connected with the load connector (7) and the controller connected with the control connector (6); meanwhile, the current at the No. 1 static contact of the second relay (4) flows through the No. 2 movable contact and the No. 4 static contact, flows into the No. 1 coupling point through the No. 1 contact and the No. 2 contact of the switch connector (5), and enters the negative terminal of the second connector (3) from the No. 1 coupling point to flow into the second storage battery (9);
when the battery change-over switch (51) is shifted to the position of the No. 3 port, the first relay (2) enables the No. 2 movable contact to be communicated with the No. 4 static contact through the weak current attraction principle, and the first relay (2) is electrified; at the moment, current flows out of the first storage battery (8), passes through a contact point No. 1 and a contact point No. 3 of the first relay (2), then passes through the second coupling point (11), at the moment, the control connector (6) is connected with the load connector (7) in parallel, and the current flows into the first coupling point (10) through a load connected with the load connector (7) and a controller connected with the control connector (6); meanwhile, the current at the No. 1 static contact of the first relay (2) flows through the No. 2 movable contact and the No. 4 static contact, flows through the No. 3 contact and the No. 2 contact of the switch connector (5) and flows into the No. 1 coupling point, and the current enters the negative terminal of the first connector (1) from the No. 1 coupling point and flows into the first storage battery (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077344.7A CN110901393A (en) | 2018-09-15 | 2018-09-15 | Safety switcher for storage battery of electric vehicle and control method of safety switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077344.7A CN110901393A (en) | 2018-09-15 | 2018-09-15 | Safety switcher for storage battery of electric vehicle and control method of safety switcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110901393A true CN110901393A (en) | 2020-03-24 |
Family
ID=69812346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811077344.7A Withdrawn CN110901393A (en) | 2018-09-15 | 2018-09-15 | Safety switcher for storage battery of electric vehicle and control method of safety switcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110901393A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1137150A2 (en) * | 2000-03-22 | 2001-09-26 | Volkswagen Aktiengesellschaft | Dual battery system |
| CN201261400Y (en) * | 2008-08-19 | 2009-06-24 | 俞林祥 | Multipurpose electric power circuit of electric vehicle |
| CN102368633A (en) * | 2011-12-03 | 2012-03-07 | 南京普天大唐信息电子有限公司 | Solar energy and mains supply complementation controller |
| CN103182949A (en) * | 2013-03-28 | 2013-07-03 | 安徽江淮汽车股份有限公司 | Cut-off/wake-up circuit of whole vehicle controller |
| CN205097960U (en) * | 2015-10-31 | 2016-03-23 | 安徽合力股份有限公司 | Control system of electric fork -lift battery safety position |
| CN106608170A (en) * | 2015-10-26 | 2017-05-03 | 顾婕 | An electric vehicle |
| CN207725548U (en) * | 2017-12-14 | 2018-08-14 | 天津飞鸽车业发展有限公司 | A kind of electric vehicle |
-
2018
- 2018-09-15 CN CN201811077344.7A patent/CN110901393A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1137150A2 (en) * | 2000-03-22 | 2001-09-26 | Volkswagen Aktiengesellschaft | Dual battery system |
| CN201261400Y (en) * | 2008-08-19 | 2009-06-24 | 俞林祥 | Multipurpose electric power circuit of electric vehicle |
| CN102368633A (en) * | 2011-12-03 | 2012-03-07 | 南京普天大唐信息电子有限公司 | Solar energy and mains supply complementation controller |
| CN103182949A (en) * | 2013-03-28 | 2013-07-03 | 安徽江淮汽车股份有限公司 | Cut-off/wake-up circuit of whole vehicle controller |
| CN106608170A (en) * | 2015-10-26 | 2017-05-03 | 顾婕 | An electric vehicle |
| CN205097960U (en) * | 2015-10-31 | 2016-03-23 | 安徽合力股份有限公司 | Control system of electric fork -lift battery safety position |
| CN207725548U (en) * | 2017-12-14 | 2018-08-14 | 天津飞鸽车业发展有限公司 | A kind of electric vehicle |
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