CN220492657U - Integrated module - Google Patents
Integrated module Download PDFInfo
- Publication number
- CN220492657U CN220492657U CN202321506317.3U CN202321506317U CN220492657U CN 220492657 U CN220492657 U CN 220492657U CN 202321506317 U CN202321506317 U CN 202321506317U CN 220492657 U CN220492657 U CN 220492657U
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- Prior art keywords
- resistor
- precharge
- relay
- resistors
- integrated module
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 32
- 239000010949 copper Substances 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000004568 cement Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an integrated module, which is characterized in that the integrated module comprises a precharge resistor component and a precharge relay, wherein the precharge resistor component and the precharge relay are integrated on a circuit board; the precharge resistor assembly and the precharge relay are connected by a first copper clad on the circuit board. According to the utility model, the pre-charging resistor and the pre-charging relay are integrated on the circuit board, so that the assembly procedure of a pre-charging loop is reduced, and the assembly efficiency is improved. In addition, the pre-charging resistor and the pre-charging relay are connected through the first copper coating, so that the mode that a traditional pre-charging loop is connected with each high-voltage component through a high-voltage wire harness and a terminal is changed, various accidental faults such as loosening, disconnection, poor internal resistance contact and the like caused by vibration or other working conditions of the terminal connection are reduced, and the reliability of the whole pre-charging loop is improved.
Description
Technical Field
The utility model relates to the technical field of electric automobiles, in particular to an integrated module.
Background
The existing pre-charging loop is provided with an independent pre-charging relay and a pre-charging resistor, and in order to meet the high-power requirement, the independent pre-charging relay and the pre-charging resistor are large in size and high in cost. In addition, the connection of the pre-charging relay, the pre-charging resistor and the main positive relay in the pre-charging loop depends on the high-voltage wire harness and the low-voltage wire harness, and the risk of torque decay exists through bolt switching.
Disclosure of Invention
The utility model aims to overcome the defects of high cost and large volume of a pre-charging loop in the prior art and provides an integrated module.
The utility model solves the technical problems by the following technical scheme:
the utility model provides an integrated module, which comprises a precharge resistor component and a precharge relay, wherein the precharge resistor component and the precharge relay are integrated on a circuit board;
the pre-charge resistor component and the pre-charge relay are connected through a first copper-clad on the circuit board.
Preferably, the integrated module further comprises a battery management system, the battery management system is integrated on the circuit board, and the battery management system is connected with the pre-charging relay through a second copper-clad.
Preferably, the integrated module further comprises an output end, the output end is integrated on the circuit board, and the precharge resistor component is connected with the output end through a third copper-clad.
Preferably, the integrated module further comprises an input end, the input end is integrated on the circuit board, and the pre-charging relay is connected with the input end through a fourth copper-clad.
Preferably, the integrated module further comprises a main positive relay; the input end and the output end are respectively connected with the main positive relay through a high-voltage wire harness.
Preferably, the precharge resistor assembly comprises at least two resistors; each resistor is connected in parallel and/or in series with other resistors comprised by the precharge resistor assembly.
Preferably, the electrical resistance comprises cement resistance and/or ceramic resistance.
Preferably, the precharge resistor assembly comprises a resistor array comprising at least the following resistors:
one end of the first resistor is connected with the pre-charging relay through a first copper coating, and the other end of the first resistor is connected with other resistors contained in the resistor array through a fifth copper coating;
one end of the second resistor is connected with other resistors contained in the resistor array through a fifth copper coating, and the other end of the second resistor is connected with other resistors contained in the resistor array through the fifth copper coating or connected with the output end through a third copper coating;
the first resistor and the second resistor are connected in series;
when the resistor array comprises a plurality of first resistors, the first resistors are connected in parallel; and/or when the resistor array comprises a plurality of second resistors, the second resistors are connected in parallel.
Preferably, the first copper clad, the third copper clad and the fifth copper clad are provided with plug interfaces, and the plug interfaces are used for installing or detaching the precharge resistor component.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain each preferred example of the utility model.
The utility model has the positive progress effects that:
according to the utility model, the pre-charging resistor and the pre-charging relay are integrated on the circuit board, so that the assembly procedure of a pre-charging loop is reduced, and the assembly efficiency is improved. In addition, the pre-charging resistor and the pre-charging relay are connected through the first copper coating, so that the mode that a traditional pre-charging loop is connected with each high-voltage component through a high-voltage wire harness and a terminal is changed, various accidental faults of the terminal, such as loose connection, disconnection, poor internal resistance contact and the like, caused by vibration or other working conditions are reduced, and the reliability of the whole pre-charging loop is improved.
Drawings
Fig. 1 is a schematic diagram of a structure of a conventional pre-charge circuit.
Fig. 2 is a schematic structural diagram of an integrated module according to an embodiment of the utility model.
Fig. 3 is a partial enlarged view of the area a in fig. 2.
Fig. 4 is a block diagram of a precharge resistor assembly of an integrated module according to an embodiment of the present utility model.
Detailed Description
The utility model is further illustrated by means of the following examples, which are not intended to limit the scope of the utility model.
Fig. 1 shows a conventional pre-charge circuit structure, which includes a main positive relay 1, a pre-charge relay 2, a large pre-charge resistor 13, and a battery management system 4. Main positive relay 1, pre-charge relay 2 and large-scale pre-charge resistance 13 are connected through many high-voltage pencil and low-voltage pencil, and the vibration or other operating mode lead to connecting looseness, disconnection, internal resistance contact failure etc. to take place various occasional faults easily, and the volume of large-scale pre-charge resistance 13 is great, and the cost is needed higher in selection and assembly.
Accordingly, fig. 2 provides a schematic structural diagram of an integrated module according to an exemplary embodiment. The integrated module is typically applied to a pre-charge loop that limits the capacitor charging current at power-on instants to protect the rectifier components from damaging by the capacitor's instant short-circuit current, i.e. to reduce the inrush current at power-up. The integrated module comprises a precharge resistor component 3 and a precharge relay 2, and the precharge resistor component 3 and the precharge relay 2 are integrated on a circuit board.
The precharge resistor assembly 3 and the precharge relay 2 are connected by a first copper-clad 21 on the circuit board.
In this embodiment, referring to fig. 2, by integrating the precharge resistor and the precharge relay on the circuit board, the assembling process of the precharge circuit is reduced, and the assembling efficiency is improved. In addition, the pre-charging resistor and the pre-charging relay are connected through the first copper coating, so that the mode that a traditional pre-charging loop is connected with each high-voltage component through a high-voltage wire harness and a terminal is changed, various accidental faults of the terminal, such as loose connection, disconnection, poor internal resistance contact and the like, caused by vibration or other working conditions are reduced, and the reliability of the whole pre-charging loop is improved.
In an alternative embodiment, referring to fig. 2, the integrated module further includes a battery management system 4, the battery management system 4 is integrated on a circuit board, and the battery management system 4 is connected to the pre-charge relay 2 through a second copper clad, that is, the battery management system 4 is connected to the pre-charge relay 2 through a high voltage, and the second copper clad may pass a high voltage current.
In addition, referring to fig. 3, the battery management system 4 may also control the pre-charge relay 2 through the coil 7, that is, the battery management system 4 may also control the on and off of the pre-charge relay 2 through the low voltage.
In the embodiment, the battery management system controls the on-off of the pre-charging relay through the second copper coating, so that the connection terminals of the battery management system and the pre-charging relay are reduced, the reliability of the whole pre-charging loop is further improved, accidental faults are reduced, and the integration degree is improved.
In an alternative embodiment, referring to fig. 2, the integrated module further includes an output terminal 5, the output terminal 5 is integrated on a circuit board, and the precharge resistor assembly 3 is connected to the output terminal 5 through a third copper clad 23.
In this embodiment, the output end, that is, the output end of the precharge circuit is connected to the precharge resistor assembly through the third copper coating, so that the reliability of the entire precharge circuit is further improved, the accidental faults are reduced, and the integration degree is improved. And meanwhile, the assembly and disassembly efficiency of the precharge resistor assembly is improved.
In an alternative embodiment, see fig. 2, the integrated module further comprises an input 6, the input 6 being integrated on the circuit board, the precharge relay 2 being connected to the input 6 by a fourth copper-clad 24.
In this embodiment, the input end, that is, the input end of the precharge circuit is connected to the precharge relay through the fourth copper clad, so that the reliability of the entire precharge circuit is further improved, the accidental faults are reduced, and the degree of integration is improved. Meanwhile, the assembly and disassembly efficiency of the pre-charging relay is improved.
In an alternative embodiment, referring to fig. 2, the integrated module further comprises a main positive relay. The input end 6 and the output end 5 are respectively connected with the main positive relay through high-voltage wire harnesses.
The main positive relay is used for controlling the charging and discharging process of the battery pack and protecting the battery pack from being damaged by overcharge or overdischarge.
In this embodiment, because the layout mode of connecting each component through the high-voltage wire harness and the low-voltage wire harness is replaced by the layout mode of connecting through the copper cladding, and because the volume of the pre-charging resistor of this embodiment is smaller than that of the pre-charging resistor of the existing pre-charging circuit, the volume of the integrated module is smaller than that of the existing pre-charging circuit, which is beneficial to realizing miniaturization of the pre-charging circuit and improving the integration degree of the pre-charging circuit.
In an alternative embodiment, the precharge resistor assembly includes at least two resistors. Each resistor is connected in parallel and/or in series with other resistors included in the precharge resistor assembly.
The number of resistors included in the precharge resistor assembly can be flexibly set according to the required power.
The series connection of the resistors is beneficial to helping the voltage division of the pre-charging loop, and the voltage-withstanding requirement can be met; the parallel connection of the plurality of resistors is beneficial to help the pre-charging loop to split, and can meet the requirement of strong current; the plurality of resistors are connected in series and parallel to facilitate flexible adjustment of the power of the pre-charge loop.
For example, referring to fig. 4, the resistor array includes three parallel resistors and three series resistors, R1, R2, R3 being in series, R4, R5, R6 being in series, R7, R8, R9 being in series; r1, R4 and R7 are connected in parallel, R2, R5 and R8 are connected in parallel, and R3, R6 and R9 are connected in parallel.
In this embodiment, the precharge resistor assembly includes a plurality of resistors connected in parallel and/or in series, that is, the existing large precharge resistor is replaced with a miniaturized resistor of small size, which is advantageous for reducing the size of the chip.
The resistor comprises cement resistor, ceramic resistor and other miniaturized resistors, so that the volume of the pre-charging loop can be reduced, and meanwhile, the assembly cost can be reduced.
In an alternative embodiment, referring to fig. 2, the precharge resistor assembly 3 includes a resistor array including at least a first resistor and a second resistor.
One end of the first resistor is connected with the pre-charging relay 2 through a first copper-clad layer 21, and the other end of the first resistor is connected with other resistors contained in the resistor array through a fifth copper-clad layer 25.
One end of the first second resistor is connected with other resistors contained in the resistor array through the fifth copper-clad layer 25, and the other end of the second resistor is connected with other resistors contained in the resistor array through the fifth copper-clad layer 25.
One end of the second resistor is connected with other resistors contained in the resistor array through a fifth copper-clad layer 25, and the other end of the second resistor is also connected with the output end 5 through a third copper-clad layer 23.
Referring to fig. 4, R3, R6, R9 are first resistors, R2, R5, R8 are first second resistors, and R1, R4, R7 are second resistors.
The first resistor and the second resistor are connected in series. For example: in fig. 4, R1, R2, and R3 are connected in series, R4, R5, and R6 are connected in series, and R7, R8, and R9 are connected in series.
When the resistor array comprises a plurality of first resistors, the first resistors are connected in parallel. For example: r3, R6 and R9 in FIG. 4 are connected in parallel.
When the resistor array comprises a plurality of second resistors, the second resistors are connected in parallel. For example: in fig. 4, R1, R4 and R7 are connected in parallel, and R2, R5 and R8 are connected in parallel.
In this embodiment, the precharge resistor assembly at least includes a first resistor and a second resistor, and is connected to each resistor by copper cladding, so as to further improve the reliability of the entire precharge circuit and reduce the accidental faults.
In an alternative embodiment, the first, third and fifth copper covers are provided with plug-in connectors for mounting or dismounting the precharge resistor assembly.
In this embodiment, the first copper clad, the third copper clad, and the fifth copper clad are provided with the interfaces, that is, the interfaces are provided at the mounting positions of the pre-charging resistor, so that a part or all of the pre-charging resistor components can be replaced conveniently, and the after-sales maintenance efficiency is improved.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (8)
1. An integrated module, wherein the integrated module comprises a precharge resistor component and a precharge relay, wherein the precharge resistor component and the precharge relay are integrated on a circuit board;
the pre-charge resistor component is connected with the pre-charge relay through a first copper-clad on the circuit board;
the precharge resistor assembly includes at least two resistors; each resistor is connected in parallel and/or in series with other resistors comprised by the precharge resistor assembly.
2. The integrated module of claim 1, further comprising a battery management system integrated on the circuit board, the battery management system being connected to the pre-charge relay through a second copper-clad.
3. The integrated module of claim 2, further comprising an output integrated on the circuit board, the precharge resistor component being connected to the output through a third copper cladding.
4. The integrated module of claim 3, further comprising an input integrated on the circuit board, the pre-charge relay being connected to the input through a fourth copper clad.
5. The integrated module of claim 4, wherein the integrated module further comprises a main positive relay; the input end and the output end are respectively connected with the main positive relay through a high-voltage wire harness.
6. The integrated module of claim 1, wherein the electrical resistance comprises a cement resistance and/or a ceramic resistance.
7. The integrated module of claim 3, wherein the precharge resistor component comprises a resistor array comprising at least the following resistors:
one end of the first resistor is connected with the pre-charging relay through a first copper coating, and the other end of the first resistor is connected with other resistors contained in the resistor array through a fifth copper coating;
one end of the second resistor is connected with other resistors contained in the resistor array through a fifth copper coating, and the other end of the second resistor is connected with other resistors contained in the resistor array through the fifth copper coating or connected with the output end through a third copper coating;
the first resistor and the second resistor are connected in series;
when the resistor array comprises a plurality of first resistors, the first resistors are connected in parallel; and/or when the resistor array comprises a plurality of second resistors, the second resistors are connected in parallel.
8. The integrated module of claim 7, wherein the first, third, and fifth copper covers are provided with sockets for mounting or dismounting the precharge resistor component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506317.3U CN220492657U (en) | 2023-06-13 | 2023-06-13 | Integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321506317.3U CN220492657U (en) | 2023-06-13 | 2023-06-13 | Integrated module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220492657U true CN220492657U (en) | 2024-02-13 |
Family
ID=89828886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321506317.3U Active CN220492657U (en) | 2023-06-13 | 2023-06-13 | Integrated module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220492657U (en) |
-
2023
- 2023-06-13 CN CN202321506317.3U patent/CN220492657U/en active Active
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| GR01 | Patent grant |