CN210866424U - Battery connector - Google Patents
Battery connector Download PDFInfo
- Publication number
- CN210866424U CN210866424U CN201922336684.3U CN201922336684U CN210866424U CN 210866424 U CN210866424 U CN 210866424U CN 201922336684 U CN201922336684 U CN 201922336684U CN 210866424 U CN210866424 U CN 210866424U
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- China
- Prior art keywords
- cooling liquid
- battery
- outlet
- connector
- liquid inlet
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- 239000000110 cooling liquid Substances 0.000 claims abstract description 104
- 239000002826 coolant Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
Abstract
The utility model provides a battery connector relates to and connects technical field. The battery connector includes: a cooling liquid inlet and outlet which are connected with the electronic three-way valve and a battery end cooling liquid inlet and outlet of the liquid-cooled quick-change battery, one end of the cooling liquid outlet is connected with the pressure valve, and the cooling liquid inlet and outlet are arranged on the outer surface of the connector end cover; a line switch disposed inside the connector end cap. The utility model provides a trade battery package in-process coolant liquid reveal with the unstable problem of temperature of the inside coolant liquid of battery package, can guarantee that the battery package is in reasonable operating temperature under any environment, improve battery charge-discharge efficiency and life.
Description
Technical Field
The utility model relates to a connect technical field, in particular to battery connector.
Background
The quick-change battery technology of the electric automobile not only solves the problems of long charging time and lack of charging pile, but also eliminates the problem of pain of consumers on the service life of the battery. At present, a battery connector is matched with an air-cooled battery pack, and the problems of leakage of cooling liquid and supplement of the cooling liquid in the battery during battery pack replacement are not solved by a liquid-cooled quick-change pack, so that the charging and discharging efficiency of the battery pack is greatly influenced by the environment.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a battery connector to the solution trades revealing of battery package in-process coolant liquid and the unstable problem of temperature of the inside coolant liquid of battery package.
In order to solve the above technical problem, an embodiment of the utility model provides a battery connector, battery connector includes:
a cooling liquid inlet and outlet which are connected with the electronic three-way valve and a battery end cooling liquid inlet and outlet of the liquid-cooled quick-change battery, one end of the cooling liquid outlet is connected with the pressure valve, and the cooling liquid inlet and outlet are arranged on the outer surface of the connector end cover;
a line switch disposed inside the connector end cap.
Further, the utility model discloses a battery connector still includes:
the high-voltage connector comprises a high-voltage positive electrode interface, a high-voltage negative electrode interface and a low-voltage interface, wherein the high-voltage positive electrode interface, the high-voltage negative electrode interface and the low-voltage interface are all arranged on the outer surface of the connector end cover.
Further, the coolant inlet/outlet includes:
the first end of the first cooling liquid inlet and the first end of the second cooling liquid inlet are both connected with a first electronic three-way valve, and the first electronic three-way valve is connected with a battery end cooling liquid inlet;
the second end of the first coolant inlet and the second end of the second coolant inlet are both disposed on an exterior surface of the connector end cap.
Further, the coolant inlet/outlet further includes:
the first end of the first cooling liquid outlet and the first end of the second cooling liquid outlet are both connected with a second electronic three-way valve, and the second electronic three-way valve is connected with a battery end cooling liquid outlet;
a second end of the first coolant outlet is disposed on an exterior surface of the connector end cap;
a second end of the second coolant outlet is connected to the pressure valve and extends to an exterior surface of the connector end cap.
Furthermore, a primary sealing part of a cooling liquid inlet is arranged outside the cooling liquid inlet of the battery end;
a primary sealing part of a cooling liquid outlet is arranged outside the cooling liquid outlet at the battery end;
and connector secondary sealing parts are arranged outside the cooling liquid inlet primary sealing part and the cooling liquid outlet primary sealing part.
Further, the line switch controls the on-off of the electronic three-way valve and is electrically connected with an internal circuit of the battery connector.
The utility model has the advantages that:
the utility model discloses a battery connector has solved the unstable problem of temperature of revealing of battery package in-process coolant liquid and the inside coolant liquid of battery package to can make quick change battery package be in reasonable operating temperature under any environment, improve battery charge-discharge efficiency and life.
Drawings
Fig. 1 is a schematic structural diagram of a battery connector according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a specific implementation structure of a battery connector according to an embodiment of the present invention.
Description of reference numerals:
1-a first coolant inlet; 2-a first coolant outlet; 3-a second coolant inlet; 4-a second coolant outlet; 5-a first electronic three-way valve; 6-a second electronic three-way valve; 7-a pressure valve; 8-a connector end cap; 9-primary sealing part of cooling liquid inlet; 10-primary sealing part of cooling liquid outlet; 11-connector secondary seal; 12-a line switch; 13-high voltage positive electrode interface; 14-high voltage negative interface; 15-low voltage interface; 16-liquid cooled quick change battery; 20-a water heating heater; 30-a heat exchanger; 40-a water pump; 50 vehicle end high pressure ports; 60-vehicle end low pressure port; 70-an air conditioning system; 80-external equipment; 90-storage vessel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. In the following description, specific details are provided, such as specific configurations and components, merely to facilitate a thorough understanding of embodiments of the invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The utility model discloses to the unstable problem of temperature of revealing and the inside coolant liquid of battery package of trading battery package in-process coolant liquid, provide a battery connector.
As shown in fig. 1, an embodiment of the present invention provides a battery connector, including:
a coolant inlet/outlet which is connected with the electronic three-way valve and a battery-side coolant inlet/outlet of the liquid-cooled quick-change battery 16, and one end of the coolant outlet is connected with the pressure valve 7, and the coolant inlet/outlet is disposed on the outer surface of the connector end cap 8;
a line switch 12, said line switch 12 being placed inside the connector end cap 8.
It should be noted that, in the embodiment of the present invention, a cooling liquid inlet and outlet, an electronic three-way valve and a pressure valve are added, and the cooling liquid inlet and outlet are controlled by the electronic three-way valve respectively and are opened or closed at the same time to control the communication with the cooling liquid inlet and outlet at the battery end; specifically, the line switch 12 controls the on/off of the electronic three-way valve, and is electrically connected to an internal circuit of the battery connector. The embodiment of the utility model provides a temperature instability problem of trading revealing of battery package in-process coolant liquid and the inside coolant liquid of battery package has been solved.
Optionally, the embodiment of the present invention further includes:
the connector comprises a high-voltage positive electrode interface 13, a high-voltage negative electrode interface 14 and a low-voltage interface 15, wherein the high-voltage positive electrode interface 13, the high-voltage negative electrode interface 14 and the low-voltage interface 15 are all arranged on the outer surface of the connector end cover 8.
Specifically, as shown in fig. 2, the high-voltage positive interface 13 and the high-voltage negative interface 14 are respectively connected to a vehicle-end high-voltage port 50, and the low-voltage interface 15 is connected to a vehicle-end low-voltage port 60.
As shown in fig. 1, the cooling liquid inlet and outlet according to the embodiment of the present invention includes:
the cooling system comprises a first cooling liquid inlet 1 and a second cooling liquid inlet 3, wherein a first end of the first cooling liquid inlet 1 and a first end of the second cooling liquid inlet 3 are both connected with a first electronic three-way valve 5, and the first electronic three-way valve 5 is connected with a battery end cooling liquid inlet;
a second end of the first coolant inlet 1 and a second end of the second coolant inlet 3 are both disposed on an outer surface of the connector end cap 8.
Optionally, the utility model discloses the coolant liquid is imported and exported and still is included:
a first cooling liquid outlet 2 and a second cooling liquid outlet 4, wherein a first end of the first cooling liquid outlet 2 and a first end of the second cooling liquid outlet 4 are both connected with a second electronic three-way valve 6, and the second electronic three-way valve 6 is connected with a battery end cooling liquid outlet;
the second end of the first cooling liquid outlet 2 is placed on the outer surface of the connector end cap 8;
a second end of the second coolant outlet 4 is connected to the pressure valve 7 and extends to an outer surface of the connector end cap 8.
Specifically, as shown in fig. 2, the first coolant inlet 1 and the first coolant outlet 2 are connected to a vehicle-end cooling circuit: the first cooling liquid outlet 2, the heat exchanger 30, the water heating heater 20, the water pump 40 and the first cooling liquid inlet 1 form a first cooling loop at the vehicle end, wherein the heat exchanger 30, the water heating heater 20 and the water pump 40 are vehicle end parts, and the second cooling liquid inlet 3 and the second cooling liquid outlet 4 are not connected with the vehicle end; wherein the heat exchanger 30 also forms a vehicle-end second cooling loop with the air conditioning system 70.
It should be noted that, when the vehicle runs, the first electronic three-way valve 5 controls the first cooling liquid inlet 1 to be communicated with the battery-side cooling liquid inlet, the first cooling liquid outlet 2 to be communicated with the battery-side cooling liquid outlet, the battery circuit to be connected in series with the vehicle-side first cooling circuit, and the second cooling liquid inlet 3 and the second cooling liquid outlet 4 to be closed, so as to ensure that the cooling liquid in the battery does not leak. At this time, the path of the circulating cooling loop of the whole vehicle sequentially passes through the first cooling liquid outlet 2 of the battery connector, the heat exchanger 30 of the vehicle end, the water heating heater 20 of the vehicle end, the water pump 40 of the vehicle end and the first cooling liquid inlet 1 of the vehicle end; the cooling liquid sequentially flows through the first electronic three-way valve 5, the battery end cooling liquid inlet, the liquid-cooled quick-change battery 16, the battery end cooling liquid outlet and the second electronic three-way valve 6; the cooling liquid flows back to the vehicle end after circulating, and the temperature inside the battery pack is stable.
It should be further noted that when the battery pack is to be replaced, the two electronic three-way valves control the first cooling liquid inlet 1 and the first cooling liquid outlet 2 to be closed, so that the connection with the first cooling loop at the vehicle end is cut off, and the vehicle end cooling liquid is not affected when the cooling liquid in the battery is discharged; meanwhile, the second cooling liquid inlet 3 is communicated with the battery end cooling liquid inlet, the second cooling liquid outlet 4 is communicated with the battery end cooling liquid outlet, the pressure valve 7 is opened, and at the moment, the loop path of the battery connector sequentially passes through the following steps: an external device 80 connected to the second cooling liquid inlet 3, the first electronic three-way valve 5 of the battery connector, a battery-side cooling liquid inlet, the liquid-cooled quick-change battery 16, a battery-side cooling liquid outlet; the coolant passes through the second electronic three-way valve 6 of the battery connector and is discharged through the pressure valve 7 to a storage vessel 90 connected to the second coolant outlet 4; the external device 80 may be a special blower for discharging the cooling liquid inside the battery; the storage vessel 90 is used for receiving and discharging the internal cooling liquid of the battery. Here, the external device 80 is operated to discharge the coolant in the battery pack from the second coolant outlet 4, and the battery pack is replaced after all the coolant is discharged.
It should be noted that, after the battery pack is installed, the battery pack does not have a coolant inside, and a coolant needs to be injected, and at this time, the circuit path of the battery connector is the same as the circuit path of the battery connector when the battery pack is replaced, except that, here, the pressure valve 7 is opened by a certain angle, the external device 80 is replaced by an injection device, and after the battery pack coolant passes through the circuit path of the battery connector at this time and flows out from the second coolant outlet 4, it is indicated that the battery internal circuit has coolant, but the saturation of the coolant cannot be ensured, and as the pressure of the pressure valve rises, when the pressure valve 7 reaches the pressure set value, it is indicated that the battery pack internal coolant is full. At the moment, the first electronic three-way valve 5 and the second electronic three-way valve 6 control the second cooling liquid inlet 3 and the second cooling liquid outlet 4 to be closed, the first cooling liquid inlet 1 and the first cooling liquid outlet 2 are opened, so that a battery loop is connected with a first cooling loop at the vehicle end in series, the circulation of cooling liquid is ensured, and after the equipment is removed, the battery pack is completely replaced.
As shown in fig. 1, in the embodiment of the present invention, in order to ensure the process of replacing the battery pack, two-stage sealing is adopted for sealing between the battery connector and the battery pack. Specifically, a primary sealing part 9 of a cooling liquid inlet is arranged outside the cooling liquid inlet of the battery end; a primary sealing part 10 of a cooling liquid outlet is arranged outside the cooling liquid outlet of the battery end; and a connector secondary sealing part 11 is arranged outside the cooling liquid inlet primary sealing part 9 and the cooling liquid outlet primary sealing part 10.
To sum up, the embodiment of the utility model provides a solve the unstable problem of temperature of revealing of the battery package in-process coolant liquid and the inside coolant liquid of battery package to can make quick change battery package be in reasonable operating temperature under any environment, improve battery charge-discharge efficiency and life.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (6)
1. A battery connector, comprising:
a cooling liquid inlet and outlet which are connected with the electronic three-way valve and a battery-end cooling liquid inlet and outlet of the liquid-cooled quick-change battery (16), one end of the cooling liquid outlet is connected with the pressure valve (7), and the cooling liquid inlet and outlet are arranged on the outer surface of the connector end cover (8);
a line switch (12), the line switch (12) being disposed inside the connector end cap (8).
2. The battery connector of claim 1, further comprising:
the connector comprises a high-voltage positive electrode interface (13), a high-voltage negative electrode interface (14) and a low-voltage interface (15), wherein the high-voltage positive electrode interface (13), the high-voltage negative electrode interface (14) and the low-voltage interface (15) are all arranged on the outer surface of the connector end cover (8).
3. The battery connector according to claim 1, wherein the coolant inlet/outlet port comprises:
the cooling system comprises a first cooling liquid inlet (1) and a second cooling liquid inlet (3), wherein the first end of the first cooling liquid inlet (1) and the first end of the second cooling liquid inlet (3) are both connected with a first electronic three-way valve (5), and the first electronic three-way valve (5) is connected with a battery end cooling liquid inlet;
the second end of the first cooling liquid inlet (1) and the second end of the second cooling liquid inlet (3) are both arranged on the outer surface of the connector end cover (8).
4. The battery connector according to claim 3, wherein the coolant inlet/outlet further comprises:
a first cooling liquid outlet (2) and a second cooling liquid outlet (4), wherein a first end of the first cooling liquid outlet (2) and a first end of the second cooling liquid outlet (4) are both connected with a second electronic three-way valve (6), and the second electronic three-way valve (6) is connected with a battery end cooling liquid outlet;
the second end of the first cooling liquid outlet (2) is arranged on the outer surface of the connector end cover (8);
the second end of the second cooling liquid outlet (4) is connected with the pressure valve (7) and extends to the outer surface of the connector end cover (8).
5. The battery connector according to claim 4,
a primary sealing part (9) of the cooling liquid inlet is arranged outside the cooling liquid inlet of the battery end;
a primary sealing part (10) of a cooling liquid outlet is arranged outside the cooling liquid outlet of the battery end;
and a connector secondary sealing part (11) is arranged outside the cooling liquid inlet primary sealing part (9) and the cooling liquid outlet primary sealing part (10).
6. The battery connector according to claim 1,
and the line switch (12) controls the on-off of the electronic three-way valve and is electrically connected with an internal circuit of the battery connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336684.3U CN210866424U (en) | 2019-12-23 | 2019-12-23 | Battery connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336684.3U CN210866424U (en) | 2019-12-23 | 2019-12-23 | Battery connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210866424U true CN210866424U (en) | 2020-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922336684.3U Active CN210866424U (en) | 2019-12-23 | 2019-12-23 | Battery connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210866424U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124139A (en) * | 2020-09-04 | 2020-12-25 | 东风汽车集团有限公司 | Battery replacement and charging control method and device for electric vehicle |
-
2019
- 2019-12-23 CN CN201922336684.3U patent/CN210866424U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112124139A (en) * | 2020-09-04 | 2020-12-25 | 东风汽车集团有限公司 | Battery replacement and charging control method and device for electric vehicle |
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