CN108964166B - Pre-charging module with main positive relay - Google Patents
Pre-charging module with main positive relay Download PDFInfo
- Publication number
- CN108964166B CN108964166B CN201710919978.1A CN201710919978A CN108964166B CN 108964166 B CN108964166 B CN 108964166B CN 201710919978 A CN201710919978 A CN 201710919978A CN 108964166 B CN108964166 B CN 108964166B
- Authority
- CN
- China
- Prior art keywords
- relay
- charging
- main positive
- positive relay
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005192 partition Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
Abstract
The invention discloses a pre-charging module with a main positive relay, which comprises a supporting body, a main positive relay, a pre-charging relay and a pre-charging resistor, wherein the main positive relay, the pre-charging relay and the pre-charging resistor are arranged on the supporting body, so that an integral component is formed; the main positive relay, the pre-charging relay and the pre-charging resistor are distributed in the bearing body in a preset mode; the integral part is provided with a high-pressure interface and a low-pressure interface; the coil leading-out end of the main positive relay and the coil leading-out end of the pre-charging relay are respectively connected to the low-voltage interface; one of the two load leading-out ends of the pre-charging relay is directly connected to the high-voltage interface, and the other of the two load leading-out ends of the pre-charging relay is connected with the pre-charging resistor in series and then connected to the high-voltage interface; the two load leading-out ends of the main positive relay are respectively connected to the high-voltage interface. According to the invention, the main positive relay, the pre-charging relay and the pre-charging resistor form the pre-charging module, and the pre-charging module can be connected into any high-voltage box needing pre-charging design to form standardized design, so that the production cost is reduced, and meanwhile, the maintenance of the high-voltage box is facilitated.
Description
Technical Field
The invention relates to the field of high-voltage control boxes in a new energy automobile battery management system, in particular to a pre-charging module with a main positive relay.
Background
The high-voltage control box in the existing new energy automobile battery management system generally comprises a plurality of components such as a Hall sensor, a slow charging relay, a pre-charging resistor, a total positive relay (namely a main positive relay), a total negative relay, a PTC relay, a fuse and the like, wherein the components are generally arranged in a box body, and mainly have the following defects:
1. each component is arranged on the base of the high-voltage box in a tiling mode, and the height of the box body is designed according to the largest height dimension of each component due to the different heights of the components, so that the space of the high-voltage box in the height direction is wasted;
2. because of the large number of components, the wiring is complex, errors are easy to occur, and the high-low voltage isolation design is needed, so that the risk of insulation reliability exists;
3. aiming at customized market demands, the design cannot be standardized, and design schemes are required to be frequently changed according to different requirements of different clients;
4. in the face of customized design, small-batch production can only be carried out according to the customized requirement of a customer, and large-scale production cannot be formed, so that the production cost of the product is high;
5. all components are installed in the same base, and when different components fail, the high-voltage box needs to be disassembled and assembled, so that after-sales work such as maintenance of products is inconvenient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pre-charging module with a main positive relay, wherein the main positive relay, the pre-charging relay and the pre-charging resistor form a pre-charging module, and the pre-charging module can be connected into any high-voltage box needing pre-charging design to form standardized design, so that the production cost is reduced, and meanwhile, the maintenance of the high-voltage box is facilitated.
The technical scheme adopted for solving the technical problems is as follows: a pre-charging module with a main positive relay comprises a supporting body, a main positive relay arranged on the supporting body, a pre-charging relay and a pre-charging resistor, so that an integral component consisting of the main positive relay, the pre-charging relay and the pre-charging resistor is formed; the main positive relay, the pre-charging relay and the pre-charging resistor are distributed in the bearing body in a preset mode; the integral part is provided with a high-pressure interface and a low-pressure interface; the coil leading-out end of the main positive relay and the coil leading-out end of the pre-charging relay are respectively connected to the low-voltage interface; one of the two load leading-out ends of the pre-charging relay is directly connected to the high-voltage interface, and the other of the two load leading-out ends of the pre-charging relay is connected with the pre-charging resistor in series and then connected to the high-voltage interface; and two load leading-out ends of the main positive relay are respectively connected to the high-voltage interface.
The supporting body consists of an upper cover and a base, and the upper cover is fixed at the upper end of the base; the base is divided into an upper concave cavity and a lower concave cavity with openings facing upwards and downwards respectively through a middle partition plate; the main positive relay and the pre-charging relay are respectively arranged in an upper concave cavity of the base, and the pre-charging resistor is arranged in a lower concave cavity of the base.
The middle partition plate is of a flat plate structure, the main positive relay and the pre-charging relay are distributed in an upper concave cavity of the base in a side-by-side mode, and the pre-charging resistor is distributed in a lower concave cavity of the base below the pre-charging relay.
The middle partition plate is provided with steps, the main positive relay and the pre-charging relay are distributed in the upper concave cavity of the base in a dislocation mode, the main positive relay is arranged at the lower step, the pre-charging relay is arranged at the upper step, and the pre-charging resistor is distributed in the lower concave cavity of the base below the pre-charging relay.
The pre-charge resistor is of a flat structure, so that the height dimension of the integral part is reduced.
The coil leading-out end of the main positive relay, the coil leading-out end of the pre-charging relay and the low-voltage interface, the load leading-out end of the main positive relay, the load leading-out end of the pre-charging relay, the pre-charging resistor and the high-voltage interface are mutually connected through a group of wire harnesses.
The low-voltage interface is a low-voltage connector arranged on the supporting body, and the low-voltage connector is provided with four wiring jacks which respectively correspond to two ends led out by the coil of the main positive relay and two ends led out by the coil of the pre-charging relay.
The high-voltage interface is arranged at two load leading-out ends of the main positive relay, one of the two load leading-out ends of the pre-charging relay is connected to one of the load leading-out ends of the main positive relay through a wiring terminal at the tail end of one wire in the wire harness, and the other of the two load leading-out ends of the pre-charging relay is connected with the pre-charging resistor in series and then is connected to the other load leading-out end of the main positive relay through a wiring terminal at the tail end of the other wire in the wire harness.
The low-pressure interface is arranged at the upper end of the base, and the upper cover is provided with a yielding gap for exposing the low-pressure interface.
The upper cover is provided with a through hole which can expose two load leading-out ends of the main positive relay.
The upper cover and the base are fixed by a buckle.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the main positive relay, the pre-charging relay and the pre-charging resistor to form the pre-charging module, so that the pre-charging module can be connected into any high-voltage box needing pre-charging design to form standardized design, thereby reducing the production cost and being convenient for maintaining the high-voltage box.
2. The invention adopts the structure that the pre-charge resistor is arranged into a flat shape and is overlapped with the pre-charge relay, thereby further compressing the space and having the characteristics of compact space and small volume.
The invention is described in further detail below with reference to the drawings and examples; but a pre-charge module with a main positive relay of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is an exploded perspective view of an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a schematic perspective view of a base of the present invention;
FIG. 6 is a schematic perspective view of a base (bottom up) of the present invention according to an embodiment;
FIG. 7 is a cross-sectional view of a base of the present invention;
FIG. 8 is a top view of the present invention of embodiment two;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;
FIG. 10 is a schematic view showing a perspective construction of a base of the present invention according to a second embodiment;
FIG. 11 is a schematic perspective view of a base (bottom up) of the present invention according to the second embodiment;
fig. 12 is a cross-sectional view of a base of the present invention of embodiment two.
Detailed Description
Example 1
Referring to fig. 1 to 7, a pre-charge module with a main positive relay of the present invention includes a carrier 1, a main positive relay 2 mounted to the carrier, a pre-charge relay 3 and a pre-charge resistor 4, thereby forming an integral part 10 composed of the main positive relay 2, the pre-charge relay 3 and the pre-charge resistor 4; the main positive relay 2, the pre-charging relay 3 and the pre-charging resistor 4 are distributed in the carrier 1 in a preset mode; the integral part 10 is provided with a high-pressure interface 5 and a low-pressure interface 6; the coil leading-out ends of the main positive relay 2 and the pre-charging relay 3 are respectively connected to the low-voltage interface 6; one of the two load leading-out terminals of the pre-charging relay 3 is directly connected to the high voltage interface 5, and the other of the two load leading-out terminals of the pre-charging relay 3 is connected with the pre-charging resistor 4 in series and then connected to the high voltage interface 5; the two load outlets of the main positive relay 2 are respectively connected to a high-voltage interface 5.
In this embodiment, the carrier comprises an upper cover 11 and a base 12, wherein the upper cover 11 is fixed at the upper end of the base 12; the base 12 is divided into an upper cavity 121 and a lower cavity 122 with openings facing upwards and downwards respectively by a middle partition 13; the main positive relay 2 and the pre-charging relay 3 are respectively arranged in an upper concave cavity 121 of the base, and the pre-charging resistor 4 is arranged in a lower concave cavity 122 of the base.
In this embodiment, the middle partition plate 13 is in a flat plate structure, the main positive relay 2 and the pre-charging relay 3 are distributed in the upper concave cavity 121 of the base in a side-by-side manner and are fixed at the upper end of the middle partition plate 13 through screw locking, and the pre-charging resistor 4 is distributed in the lower concave cavity 122 of the base below the pre-charging relay 3 and is fixed at the lower end of the middle partition plate 13 through screw locking. This manner of stacking one above the other can reduce the dimension in the length direction.
In this embodiment, the precharge resistor 4 has a flat structure, so that the height dimension of the integral part is reduced.
In this embodiment, the coil lead-out end of the main positive relay 2, the coil lead-out end of the pre-charging relay 3, the low voltage interface 6, the load lead-out end of the main positive relay 2, the load lead-out end of the pre-charging relay 3, the pre-charging resistor 4 and the high voltage interface 5 are connected by a group of wire harnesses 7. The wire harness 7 is provided with connecting terminals, wherein two connecting terminals are used for being connected with a coil leading-out end of the main positive relay 2, and the two connecting terminals are connected to the low-voltage interface 6 through wires in the wire harness 7; two connection terminals are also used for being connected with the coil lead-out pins of the pre-charging relay 3, and the two connection terminals are connected to the low-voltage interface 6 through wires in the wire harness 7; two connection terminals are used for being connected with two load leading-out terminals of the pre-charging resistor 4, one of the two connection terminals is directly connected to the high-voltage interface 5 through a wire in the wire harness 7, the other of the two connection terminals is connected to one end of the pre-charging resistor 4 through a wire in the wire harness 7, and the other end of the pre-charging resistor 4 is connected to the high-voltage interface 5 through a wire.
In this embodiment, the low voltage connector 6 is a low voltage connector mounted on the carrier, and the low voltage connector 6 has four wire sockets corresponding to two ends of the main positive relay and two ends of the pre-charging relay respectively.
In this embodiment, the high voltage port 5 is disposed at two load terminals 21 of the main positive relay 2 (where a load connection screw is disposed), one of the two load terminals of the pre-charging relay 3 is connected to one of the load terminals 21 of the main positive relay 2 through a connection terminal 71 at one wire end of the wire harness 7, and the other of the two load terminals of the pre-charging relay 3 is connected in series with the pre-charging resistor 4 and then is connected to the other load terminal 21 of the main positive relay 2 through a connection terminal 71 at the other wire end of the wire harness 7.
In this embodiment, the low-voltage interface 6 is disposed at the upper end of the base 12, the base 12 is provided with a mounting groove 125 for fixing the low-voltage connector 6, the low-voltage connector 6 is fitted in the mounting groove 125, and the upper cover 11 is provided with a relief notch 111 exposing the low-voltage interface 6.
In this embodiment, the upper cover 11 is provided with a through hole 112 for exposing the two load terminals 21 of the main positive relay 2.
In this embodiment, the upper cover 11 and the base 12 are fixed by a snap, specifically, a snap 123 is provided on the base 12, a bayonet 113 is provided on the upper cover 11, and the upper cover 11 and the base 12 are fixed by the cooperation of the snap 123 of the base 12 and the bayonet 113 of the upper cover 11.
In this embodiment, the base 12 is further provided with a fixing post 124 for fixing the wire harness 7.
In this embodiment, mounting holes 126 are also provided in the base 12 for mounting the integral component 10.
According to the pre-charging module with the main positive relay, the main positive relay 2, the pre-charging relay 3 and the pre-charging resistor 4 form the pre-charging module, so that the pre-charging module can be connected into any high-voltage box needing pre-charging design to form standardized design, the production cost is reduced, and meanwhile, the maintenance of the high-voltage box is facilitated.
The pre-charging module with the main positive relay has the advantages that the pre-charging resistor 4 is arranged to be in a flat structure and is overlapped with the pre-charging relay 3, so that the space is further compressed, and the pre-charging module has the characteristics of compact space and small volume.
Example two
Referring to fig. 8 to 12, a pre-charging module with a main positive relay according to the present invention is different from the first embodiment in that: the middle partition plate 13 is provided with a step 131, the main positive relay 2 and the pre-charging relay 3 are distributed in the upper concave cavity 121 of the base 12 in a dislocation mode, the main positive relay 2 is arranged at the lower step, the pre-charging relay 3 is arranged at the upper step, and the pre-charging resistor 4 is distributed in the lower concave cavity 122 of the base below the pre-charging relay 3.
According to the structure, the installation position of the pre-charging relay 3 is raised by utilizing the characteristic that the height dimension of the main positive relay 2 is larger than that of the pre-charging relay 3, and the pre-charging resistor 4 is installed by using the space vacated by the lower part of the pre-charging relay 3, so that the integral part 10 is more compact in the height direction to form a compact structure.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (1)
1. The utility model provides a take pre-charge module of main positive relay which characterized in that: the device comprises a supporting body, a main positive relay, a pre-charging relay and a pre-charging resistor, wherein the main positive relay, the pre-charging relay and the pre-charging resistor are arranged on the supporting body, so that an integral component consisting of the main positive relay, the pre-charging relay and the pre-charging resistor is formed; the main positive relay, the pre-charging relay and the pre-charging resistor are distributed in the bearing body in a preset mode; the integral part is provided with a high-pressure interface and a low-pressure interface; the coil leading-out end of the main positive relay and the coil leading-out end of the pre-charging relay are respectively connected to the low-voltage interface; one of the two load leading-out ends of the pre-charging relay is directly connected to the high-voltage interface, and the other of the two load leading-out ends of the pre-charging relay is connected with the pre-charging resistor in series and then connected to the high-voltage interface; the two load leading-out ends of the main positive relay are respectively connected to the high-voltage interface; the supporting body consists of an upper cover and a base, and the upper cover is fixed at the upper end of the base; the base is divided into an upper concave cavity and a lower concave cavity with openings facing upwards and downwards respectively through a middle partition plate; the main positive relay and the pre-charging relay are respectively arranged in an upper concave cavity of the base, and the pre-charging resistor is arranged in a lower concave cavity of the base; the middle partition plate is of a flat plate structure, the main positive relay and the pre-charging relay are distributed in an upper concave cavity of the base in a side-by-side mode, and the pre-charging resistor is distributed in a lower concave cavity of the base below the pre-charging relay; the middle partition plate is provided with steps, the main positive relay and the pre-charging relay are distributed in an upper concave cavity of the base in a dislocation mode, the main positive relay is arranged at the lower step, the pre-charging relay is arranged at the upper step, and the pre-charging resistor is distributed in a lower concave cavity of the base below the pre-charging relay; the pre-charging resistor is of a flat structure; the coil leading-out end of the main positive relay, the coil leading-out end of the pre-charging relay, the low-voltage interface, the load leading-out end of the main positive relay, the load leading-out end of the pre-charging relay, the pre-charging resistor and the high-voltage interface are connected through a group of wire harnesses; the low-voltage interface is a low-voltage connector arranged on the carrier, and the low-voltage connector is provided with four wiring jacks which respectively correspond to two ends led out by the coil of the main positive relay and two ends led out by the coil of the pre-charging relay; the high-voltage interface is arranged at two load leading-out ends of the main positive relay, one of the two load leading-out ends of the pre-charging relay is connected to one of the load leading-out ends of the main positive relay through a wiring terminal at the tail end of one wire in the wire harness, and the other of the two load leading-out ends of the pre-charging relay is connected with the pre-charging resistor in series and then is connected to the other load leading-out end of the main positive relay through a wiring terminal at the tail end of the other wire in the wire harness; the low-pressure interface is arranged at the upper end of the base, and the upper cover is provided with a yielding gap for exposing the low-pressure interface; the upper cover is provided with a through hole which can expose two load leading-out ends of the main positive relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919978.1A CN108964166B (en) | 2017-09-30 | 2017-09-30 | Pre-charging module with main positive relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919978.1A CN108964166B (en) | 2017-09-30 | 2017-09-30 | Pre-charging module with main positive relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108964166A CN108964166A (en) | 2018-12-07 |
| CN108964166B true CN108964166B (en) | 2024-02-23 |
Family
ID=64494831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919978.1A Active CN108964166B (en) | 2017-09-30 | 2017-09-30 | Pre-charging module with main positive relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108964166B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112654190A (en) * | 2020-12-21 | 2021-04-13 | 孚能科技(赣州)股份有限公司 | High-voltage distribution box, lower shell assembly thereof, power battery system and automobile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110000364A (en) * | 2009-06-26 | 2011-01-03 | 엘에스산전 주식회사 | Electric power controller for a hybrid car |
| KR20110001013A (en) * | 2009-06-29 | 2011-01-06 | 한국단자공업 주식회사 | Power relay box |
| CN102398524A (en) * | 2011-11-17 | 2012-04-04 | 中航锂电（洛阳）有限公司 | Power management device for electromobile |
| CN102413671A (en) * | 2011-12-26 | 2012-04-11 | 天津清源电动车辆有限责任公司 | Water-cooled motor controller for high power density electric vehicle |
| CN102700424A (en) * | 2011-03-28 | 2012-10-03 | 株式会社Lg化学 | Battery disconnect unit and method of assembling the battery disconnect unit |
| CN104071021A (en) * | 2013-03-29 | 2014-10-01 | 株式会社京滨 | Current sensor/contactor apparatus |
| CN106394435A (en) * | 2016-10-18 | 2017-02-15 | 彬瑜汽车科技（上海)有限公司 | Five-in-one controller for pure electric automobile |
| CN207339342U (en) * | 2017-09-30 | 2018-05-08 | 厦门宏发电力电器有限公司 | Preliminary filling module with main positive relay |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4874632B2 (en) * | 2005-11-15 | 2012-02-15 | プライムアースＥｖエナジー株式会社 | Battery pack |
-
2017
- 2017-09-30 CN CN201710919978.1A patent/CN108964166B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110000364A (en) * | 2009-06-26 | 2011-01-03 | 엘에스산전 주식회사 | Electric power controller for a hybrid car |
| KR20110001013A (en) * | 2009-06-29 | 2011-01-06 | 한국단자공업 주식회사 | Power relay box |
| CN102700424A (en) * | 2011-03-28 | 2012-10-03 | 株式会社Lg化学 | Battery disconnect unit and method of assembling the battery disconnect unit |
| CN102398524A (en) * | 2011-11-17 | 2012-04-04 | 中航锂电（洛阳）有限公司 | Power management device for electromobile |
| CN102413671A (en) * | 2011-12-26 | 2012-04-11 | 天津清源电动车辆有限责任公司 | Water-cooled motor controller for high power density electric vehicle |
| CN104071021A (en) * | 2013-03-29 | 2014-10-01 | 株式会社京滨 | Current sensor/contactor apparatus |
| CN106394435A (en) * | 2016-10-18 | 2017-02-15 | 彬瑜汽车科技（上海)有限公司 | Five-in-one controller for pure electric automobile |
| CN207339342U (en) * | 2017-09-30 | 2018-05-08 | 厦门宏发电力电器有限公司 | Preliminary filling module with main positive relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108964166A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201927624U (en) | Intelligent photovoltaic combiner box | |
| CN108964166B (en) | Pre-charging module with main positive relay | |
| CN201699318U (en) | Easy-to-maintain compact high-voltage power distribution box with insulation monitoring function | |
| CN203103361U (en) | Multifunctional battery cover and power battery pack containing same | |
| CN105437980A (en) | High-voltage power distribution module for vehicle as well as vehicle with high-voltage power distribution module | |
| CN203406338U (en) | Battery cover and power battery pack containing same | |
| CN210133022U (en) | Vehicle-mounted charger internal mounting structure and vehicle-mounted charger | |
| CN204623188U (en) | A kind of electric automobile battery box high tension apparatus module | |
| CN2896580Y (en) | Unit-combined connector | |
| CN207339342U (en) | Preliminary filling module with main positive relay | |
| CN210182526U (en) | High-voltage box for power battery pack | |
| CN206179815U (en) | Total fuse structure of car power supply | |
| CN207052668U (en) | A kind of quick connection battery pack pole plate | |
| CN207381558U (en) | A kind of three layers of terminal board | |
| CN208889582U (en) | Double main contacts epoxy packages D.C. contactors | |
| CN216598317U (en) | Integrated connector | |
| CN206945779U (en) | Guide rail meter | |
| CN205944797U (en) | Electric meter case | |
| CN219626818U (en) | Pressing plate device, battery module and battery pack | |
| CN110112563A (en) | A kind of vehicle intelligent antenna terminal | |
| CN217847644U (en) | Safety isolation transformer with multi-stage series windings | |
| CN219717155U (en) | Pre-charging loop wire harness mounting box and battery pack high-voltage distribution box | |
| CN220605042U (en) | Energy storage power supply | |
| CN215008650U (en) | Socket with improved structure | |
| CN215896905U (en) | Integrated connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |