CN220700904U - Electric vehicle energy distribution box and electric vehicle energy distribution device - Google Patents
Electric vehicle energy distribution box and electric vehicle energy distribution device Download PDFInfo
- Publication number
- CN220700904U CN220700904U CN202322026956.6U CN202322026956U CN220700904U CN 220700904 U CN220700904 U CN 220700904U CN 202322026956 U CN202322026956 U CN 202322026956U CN 220700904 U CN220700904 U CN 220700904U
- Authority
- CN
- China
- Prior art keywords
- cavity
- electric vehicle
- battery pack
- connector
- box body
- 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 abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 210000000078 claw Anatomy 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
An electric vehicle energy distribution box and an electric vehicle energy distribution device belong to the technical field of electric vehicle part manufacturing, and comprise a box body, a partition plate, an upper cover and a lower cover; the partition board is arranged in the box body and divides the box body into a first cavity and a second cavity which are arranged up and down; a first battery pack connector for electrically connecting a first battery pack and a first load connector for electrically connecting electric equipment are arranged on the side wall of the first cavity in a penetrating manner; a second battery pack connector for electrically connecting a second battery pack and a second load connector for electrically connecting electric equipment are arranged on the side wall of the second cavity in a penetrating manner; the two energy management units are respectively arranged in the first cavity and the second cavity; the upper cover covers the first cavity, and the lower cover covers the second cavity. The utility model can conveniently realize the quick installation of two power distribution systems and help the energy of the electric automobile to be distributed more finely.
Description
Technical Field
The utility model belongs to the technical field of manufacturing of electric vehicle parts, and particularly relates to an electric vehicle energy distribution box and an electric vehicle energy distribution device.
Background
With the development of electric vehicles, a high-voltage power distribution system of the electric vehicle has become an important subject. Currently, high voltage power distribution systems for electric vehicles generally employ a single power distribution system for energy distribution and control the output of electrical energy through a total output electrical component. However, in the existing electric automobile equipment, the function requirements are more and more, the electricity utilization positions are more and more complex, and the energy distribution system is more and more complex. The conventional power distribution structure is too coarse, and a large number of wire harnesses and connectors are required to realize power distribution, which is not only unfavorable for finer power distribution to electric equipment, but also requires a large amount of space during wiring, and is not easy to quickly install a shunt device, so that a new scheme is needed in the prior art to solve the above problems.
Disclosure of Invention
An object of the present utility model is to provide an electric vehicle energy distribution box. The problem that the distribution system is difficult to shunt control and difficult to integrally install is solved.
According to a first aspect of the present utility model, there is provided an electric vehicle energy distribution box for mounting an energy management unit, characterized by comprising a box body, a partition plate, an upper cover and a lower cover;
the partition board is arranged in the box body and divides the box body into a first cavity and a second cavity which are arranged up and down;
the side wall of the first cavity is provided with a first battery pack connector for electrically connecting a first battery pack and at least one first load connector for electrically connecting electric equipment in a penetrating manner;
a second battery pack connector for electrically connecting a second battery pack and at least one second load connector for electrically connecting electric equipment are arranged on the side wall of the second cavity in a penetrating manner;
the two energy management units are respectively arranged in the first cavity and the second cavity;
the upper cover covers the first cavity, and the lower cover covers the second cavity.
And mounting parts for mounting the energy management unit are arranged in the first cavity and the second cavity.
The upper cover and/or the lower cover is/are provided with a pressure relief valve.
The upper cover is connected with the box body in a clamping or screwing or bonding mode with the lower cover.
Sealing rings are arranged at the joint of the upper cover and the box body and the joint of the lower cover and the box body.
And the side wall of the first cavity and/or the side wall of the second cavity is/are provided with a charging connector in a penetrating way, wherein the charging connector is used for being electrically connected with an automobile charging seat.
At least one temperature sensor is arranged in the distribution box.
The separator includes a shielding layer.
An electric vehicle energy distribution device comprises an electric vehicle energy distribution box, a first power distribution unit and a second power distribution unit; the first power distribution unit is arranged in the first cavity, and the second power distribution unit is arranged in the second cavity.
The first power distribution unit comprises a first shunt and a first energy management unit, the first shunt is electrically connected with the first battery pack connector and the first load connector, and the first energy management unit is electrically connected with the first shunt; the second power distribution unit comprises a second shunt and a second energy management unit, the second shunt is electrically connected with the second battery pack connector and the second load connector, and the second energy management unit is electrically connected with the second shunt; the first energy management unit and the second energy management unit are both disposed on the mounting portion.
The beneficial effects of the utility model are as follows: the utility model integrates a plurality of connectors and the energy control management unit, avoids the difficult assembly caused by large-area connection, can intensively install all devices in the box body first, then installs the box body in the electric vehicle, and finally completes the connection between all connectors and the battery pack or the electricity load, thereby saving the working hours and greatly reducing the errors caused by complex installation. The utility model can conveniently realize the quick installation of two power distribution systems and help the energy of the electric automobile to be distributed more finely.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural view of an electric vehicle energy distribution box according to the present utility model.
Fig. 2 is a schematic view of a lower cover of an electric vehicle energy distribution box according to the present utility model.
Fig. 3 is a schematic view of a first cavity of an electric vehicle energy distribution box according to the present utility model.
Fig. 4 is a schematic view of a second cavity of an electric vehicle energy distribution box according to the present utility model.
Fig. 5 is a schematic view of a mounting portion of an electric vehicle energy distribution box according to the present utility model.
Fig. 6 is a schematic view of a first shunt of an electric vehicle energy distribution device according to the present utility model.
Fig. 7 is a schematic diagram of a second shunt of an electric vehicle energy distribution device according to the present utility model.
The figures are marked as follows:
1-a box body, 11-a first cavity, 12-a second cavity and 13-a mounting part;
2-a separator;
3-an upper cover;
4-a lower cover;
51-first battery pack connector, 52-second battery pack connector;
61-first load connector, 62-second load connector;
71-a first energy management unit, 72-a second energy management unit;
8-a pressure release valve;
9-a charging connector;
201-a first splitter, 202-a second splitter;
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
An electric vehicle energy distribution box for mounting an energy management unit, as shown in fig. 1 to 5, includes a box body 1, a partition plate 2, an upper cover 3, and a lower cover 4;
the partition board 2 is arranged in the box body 1 and divides the box body 1 into a first cavity 11 and a second cavity 12 which are arranged up and down;
a first battery pack connector 51 for electrically connecting a first battery pack and a first load connector 61 for electrically connecting electric equipment are arranged on the side wall of the first cavity 11 in a penetrating manner;
a second battery pack connector 52 for electrically connecting a second battery pack and a second load connector 62 for electrically connecting electric equipment are arranged on the side wall of the second cavity 12 in a penetrating manner;
the two energy management units are respectively arranged in the first cavity 11 and the second cavity 12;
the upper cover 3 covers the first cavity 11, and the lower cover 4 covers the second cavity 12.
The Energy Management Unit (EMU) of the electric vehicle is a system for managing electric energy of the electric vehicle and is responsible for the functions of state monitoring, voltage and current information acquisition, power distribution, charge control, DC/DC control and the like of a power battery, and the electric vehicle is ensured to operate safely and guaranteeing various functions, performance indexes and safety of a high-voltage energy management control system on the basis of optimal power output, optimal energy consumption and longest battery life by monitoring parameters such as electric quantity of a battery pack, battery state, charge and discharge efficiency and the like. The best use effect is achieved. The utility model provides an electric vehicle energy distribution box, wherein a box body 1 is divided into a first cavity 11 and a second cavity 12 which are respectively positioned on the upper side and the lower side of the box body 1 through a partition plate 2, the first cavity 11 and the second cavity 12 are respectively used for arranging an energy management unit, and a first energy management unit 71 which is arranged in the first cavity 11 is connected with a first battery pack connector 51; disposed within the second cavity 12 is a second energy management unit 72 that is coupled to the second battery pack connector 52, and upon coupling of the first battery pack connector 51 to the first battery pack, the first energy management unit 71 is capable of sampling information associated with the first battery pack. When the second battery pack connector 52 is connected to the second battery pack, the second energy management unit 72 is able to sample information about the second battery pack. The first load connector 61 on the side wall of the first cavity 11 is used for electrically connecting some electric devices of the electric vehicle, and is electrically connected with the first battery pack connector 51 in the first cavity 11 so as to realize power supply to the electric devices. The second load connector 62 on the side wall of the second cavity 12 is used for electrically connecting other electric devices of the electric vehicle, and is electrically connected with the second battery pack connector 52 in the second cavity 12 so as to realize power supply to the electric devices. The utility model integrates a plurality of connectors and energy control management units, avoids difficult assembly caused by large-area connection, can intensively install all devices in the box body 1 first, then installs the box body 1 in an electric vehicle, and finally completes the connection between all connectors and a battery pack or an electric load, thereby saving labor hour and greatly reducing errors caused by complex installation. The utility model can realize the quick installation of two power distribution systems and help the energy of the electric automobile to be distributed more finely.
In some embodiments, a mounting portion 13 for mounting an energy management unit is provided in each of the first cavity 11 and the second cavity 12. As shown in fig. 5, the energy management unit is a modular product, and the mounting portion 13 is used to fix the energy management unit, specifically, a screw connection or a clip connection. The mounting portion 13 may be provided on the partition plate 2 or may be fixed to the first chamber 11 and the second chamber 12.
In some embodiments, the upper cover 3 and/or the lower cover 4 is provided with a pressure relief valve 8. In order to prevent dust from entering the box body 1, the box body 1 is provided with a very good sealing design, pressure relief holes are formed in the upper cover 3 and the lower cover 4 in order to balance the air pressure inside and outside the box body 1, pressure relief valves 8 are arranged on the pressure relief holes, and air passes through the pressure relief holes to realize the balance of the air pressure by periodically opening the pressure relief valves 8.
In some embodiments, the connection mode between the upper cover 3 and the case 1 and the connection mode between the lower cover 4 and the case 1 are clamping, screwing or bonding. The clamping mode is that clamping claws or clamping grooves are respectively arranged between the upper cover 3 and the box body 1 and between the lower cover 4 and the box body 1, and the clamping claws and the clamping grooves are assembled to enable the clamping claws and the box body 1 to be connected together. Screw connection mode is to set screw holes on the upper cover 3, the lower cover 4 and the box 1, and to connect the upper cover 3 and the lower cover 4 with the box 1 by bolts passing through the screw holes. In the bonding method, the upper cover 3 and the lower cover 4 are connected to the case 1 by providing bonding layers between the upper cover 3 and the case 1 and between the lower cover 4 and the case 1, respectively.
In some embodiments, sealing rings are arranged at the connection part of the upper cover 3 and the box body 1 and at the connection part of the lower cover 4 and the box body 1. The sealing ring can prevent dust from entering the box body 1, ensure devices in the box body 1, particularly clean the energy management unit, and avoid damage caused by dust.
In some embodiments, a charging connector 9 for electrically connecting with an automobile charging stand is provided through a sidewall of the first cavity 11 and/or a sidewall of the second cavity 22. Specifically, one end of the charging connector 9 is connected with a direct current charging seat of the electric vehicle through a cable, the other end of the charging connector is connected with a first battery pack connector 51 and a second battery pack connector 52 which are also arranged on the side wall of the box body 1 through copper bars in the box body 1, and the first battery pack connector 51 and the second battery pack connector 52 are connected with a first battery pack and a second battery pack respectively, so that the charging seat and the battery pack can be connected to realize a charging function. The first battery pack connector 51 and the second battery pack connector 52 are connected with the battery packs during charging and power consumption, so that the number of connectors is reduced. The energy management unit is electrically connected with the rear end of the positive relay and is used for sampling charging information of the direct-current charging seat.
In some embodiments, at least one temperature sensor is disposed within the distribution box. The temperature sensor can monitor the temperature in the box 1, can be connected with driving system electricity, makes the driver know the temperature in the box 1 in good time, and when the temperature in the box 1 was too high, in time disconnection battery charging outfit or consumer.
In some embodiments, the separator 2 includes a shielding layer. In order to reduce signal interference between two installed energy management units, a shielding layer is arranged on the partition board 2, and in order to avoid the shielding layer being electrically connected with a circuit in the box body 1, the partition board 2 can be arranged into a sandwich structure, and the shielding layer is arranged in the middle of the partition board 2.
The utility model also provides an electric vehicle energy distribution device, as shown in fig. 6 and 7, comprising the electric vehicle energy distribution box, a first power distribution unit and a second power distribution unit; the first power distribution unit is arranged in the first cavity 11, and the second power distribution unit is arranged in the second cavity 12. The electric vehicle energy distribution device distributes power from a power supply to each electric equipment in a safe and controlled manner. Along with the enrichment of electric automobile functions, in order to accurately and effectively control battery packs to supply power to various electric appliances, the utility model respectively connects a first power distribution unit and a second power distribution unit for two different battery packs, and the first power distribution unit and the second power distribution unit independently work so as to meet the energy distribution of automobiles and also provide a foundation for the expansion of an energy distribution scheme.
Further, the first power distribution unit includes a first shunt 201 and a first energy management unit 71, the first shunt 201 is electrically connected to the first battery pack connector 51 and the first load connector 61, and the first energy management unit 71 is electrically connected to the first shunt 201; the second power distribution unit includes a second shunt 202 and a second energy management unit 72, the second shunt 202 being electrically connected to the second battery pack connector 52 and the second load connector 62, the second energy management unit 72 being electrically connected to the second shunt 202; the first energy management unit 71 and the second energy management unit 72 are provided on the mounting portion 13. The first battery pack connector 51 and each first load connector 61 are electrically connected in the first chamber 11, and the electric power of the first battery pack is distributed to a part of the electric loads through the first battery pack connector 51 and each first load connector 61, and the first shunt 201 is electrically connected to the first energy management unit 71. The shunt is made according to the principle that voltage is generated at two ends of the resistor when direct current passes through the resistor and is connected with a current circuit of the measuring instrument in parallel so as to enlarge the measuring range of the shunt; or an element on which the voltage is measured, thereby indirectly measuring the current. The first energy management unit 71 is connected to the first shunt 201 to sample, acquire data of the output current of the first battery pack, and control the transmission of electric energy as needed. Likewise, the electrical energy of the second battery pack is distributed to another portion of the electrical load via the second battery pack connector 52 and the respective second load connector 62. The second energy management unit 72 is connected to the second shunt 202 to sample, obtain data of the output current of the second battery pack, and control the transmission of electric energy as needed. In a specific embodiment, the first power distribution unit and the second power distribution unit further comprise a relay and a fuse connected with the electric load, respectively.
Preferably, a through charging seat connector 9 is provided on a side wall of the first cavity 11, and is used for being connected with a charging seat to charge, and in a specific embodiment, the charging seat connector further comprises a pre-charging resistor, a fuse and a relay, wherein the pre-charging resistor, the fuse and the relay are connected with the charging seat connector 9. The first energy management unit 71 is also used to sample charging data of the charging cradle.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. An electric vehicle energy distribution box for mounting an energy management unit is characterized by comprising a box body, a partition plate, an upper cover and a lower cover;
the partition board is arranged in the box body and divides the box body into a first cavity and a second cavity which are arranged up and down;
the side wall of the first cavity is provided with a first battery pack connector for electrically connecting a first battery pack and at least one first load connector for electrically connecting electric equipment in a penetrating manner;
a second battery pack connector for electrically connecting a second battery pack and at least one second load connector for electrically connecting electric equipment are arranged on the side wall of the second cavity in a penetrating manner;
the two energy management units are respectively arranged in the first cavity and the second cavity;
the upper cover covers the first cavity, and the lower cover covers the second cavity.
2. The electric vehicle energy distribution box of claim 1, wherein the first and second cavities are each provided with a mounting portion for mounting an energy management unit therein.
3. An electric vehicle energy distribution box according to claim 1, characterized in that the upper cover and/or the lower cover is provided with a pressure relief valve.
4. The electric vehicle energy distribution box of claim 1, wherein the upper cover and the box body and the lower cover and the box body are connected in a clamping or screwing or bonding mode.
5. The electric vehicle energy distribution box of claim 1, wherein sealing rings are arranged at the connection of the upper cover and the box body and at the connection of the lower cover and the box body.
6. An electric vehicle energy distribution box according to claim 1, characterized in that a charging connector for electrically connecting an automobile charging socket is provided through the side wall of the first cavity and/or the side wall of the second cavity.
7. An electric vehicle energy distribution box according to claim 1, characterized in that at least one temperature sensor is arranged in the distribution box.
8. An electric vehicle energy distribution box according to claim 1, wherein the partition comprises a shielding layer.
9. An electric vehicle energy distribution device, characterized by comprising an electric vehicle energy distribution box according to any of claims 1-8, a first power distribution unit and a second power distribution unit; the first power distribution unit is arranged in the first cavity, and the second power distribution unit is arranged in the second cavity.
10. The electric vehicle energy distribution device of claim 9, wherein the first power distribution unit includes a first shunt electrically connected to the first battery pack connector and the first load connector and a first energy management unit electrically connected to the first shunt; the second power distribution unit comprises a second shunt and a second energy management unit, the second shunt is electrically connected with the second battery pack connector and the second load connector, and the second energy management unit is electrically connected with the second shunt; the first energy management unit and the second energy management unit are both disposed on the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026956.6U CN220700904U (en) | 2023-07-31 | 2023-07-31 | Electric vehicle energy distribution box and electric vehicle energy distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026956.6U CN220700904U (en) | 2023-07-31 | 2023-07-31 | Electric vehicle energy distribution box and electric vehicle energy distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220700904U true CN220700904U (en) | 2024-04-02 |
Family
ID=90453112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322026956.6U Active CN220700904U (en) | 2023-07-31 | 2023-07-31 | Electric vehicle energy distribution box and electric vehicle energy distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220700904U (en) |
-
2023
- 2023-07-31 CN CN202322026956.6U patent/CN220700904U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102306717A (en) | Lithium ion power battery pack for electric automobile and manufacturing method of lithium ion power battery pack | |
| CN110571482A (en) | High-voltage distribution box for battery pack and control method thereof | |
| CN219007609U (en) | Composite power supply system for vehicle and vehicle | |
| CN110466387A (en) | A kind of integrated power battery management system | |
| CN211844151U (en) | BDU assembly and vehicle integrate | |
| CN102856797B (en) | Easy-to-maintain compact high-voltage distribution box | |
| CN215771395U (en) | Power battery BDU structure and vehicle | |
| CN220700904U (en) | Electric vehicle energy distribution box and electric vehicle energy distribution device | |
| CN217477097U (en) | Electric automobile energy conversion and distribution device and electric automobile | |
| CN210137072U (en) | High-voltage distribution box for battery pack group | |
| CN211844309U (en) | Integrated power battery assembly and automobile | |
| CN107872162B (en) | Comprehensive power management device for vehicle-mounted experiment | |
| CN208118975U (en) | The PCB circuit board and high-tension distribution box PDU of control circuit | |
| CN219873861U (en) | Battery pack and vehicle | |
| CN111619349A (en) | Power distribution device and vehicle using same | |
| CN220492019U (en) | Battery system | |
| CN207868326U (en) | The PCB circuit board and high-tension distribution box PDU of communicating circuit | |
| CN217362468U (en) | Deconcentrator, power supply system and vehicle | |
| CN205429106U (en) | Battery distribution unit and use this battery distribution unit's group battery | |
| CN218299920U (en) | Battery integrated device and electric vehicle | |
| CN207869505U (en) | The PCB circuit board and high-tension distribution box PDU of power supply circuit | |
| CN220210002U (en) | High-voltage distribution box | |
| CN215528646U (en) | High voltage distribution box, battery package and vehicle | |
| CN221113500U (en) | Arrangement scheme of light truck hydrogen fuel integrated control unit and commercial vehicle | |
| CN219133839U (en) | Battery pack of vehicle and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |