CN211844317U - Pre-charging assembly integrating high-voltage control - Google Patents
Pre-charging assembly integrating high-voltage control Download PDFInfo
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- CN211844317U CN211844317U CN202020466362.0U CN202020466362U CN211844317U CN 211844317 U CN211844317 U CN 211844317U CN 202020466362 U CN202020466362 U CN 202020466362U CN 211844317 U CN211844317 U CN 211844317U
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Abstract
The utility model discloses an integrated high-voltage control pre-charging assembly, which comprises a PCB assembly; the high-voltage relay type high-voltage power supply is characterized in that the PCB assembly is provided with a high-voltage relay, a main relay, a high-voltage input terminal, a fuse, a pre-charging resistor, a small relay, a high-voltage capacitor and an output terminal. The utility model saves space by integrally mounting the pre-charging and the capacitor on the PCB assembly, and is convenient without external addition; through the arrangement of the high-voltage capacitor and the pre-charging module, the current is pre-charged into the high-voltage capacitor, when the compressor is started and power is supplied, the current is output through the high-voltage capacitor after being reduced through the pre-charging resistor, so that the output current is smaller, and the fuse of the whole vehicle cannot be burnt out due to overlarge current.
Description
Technical Field
The utility model relates to a pre-charge module specifically indicates an integrated high-pressure control's pre-charge assembly.
Background
The compressor used by a common passenger car air conditioner adopts a control box and motor integrated compressor, although the compressor can be directly used, the compressor has no functions of supporting a capacitor and pre-charging, and an assembly which needs to be additionally provided with a set of capacitor and pre-charging integration is used for ensuring that when high-voltage enters the compressor, the fuse of the whole car is prevented from being burnt out due to overlarge current during electrification; because of the compact compressor design, the capacitor and pre-charged module can only be placed outside. To this end, a pre-charging assembly integrated with high-pressure control is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problems and providing an integrated high-pressure control pre-charging assembly.
In order to achieve the above object, the present invention provides a pre-charging assembly integrated with high-voltage control, which comprises a PCB assembly; the high-voltage relay type high-voltage power supply is characterized in that a high-voltage relay, a main relay, a high-voltage input terminal, a fuse, a pre-charging resistor, a small relay, a high-voltage capacitor and an output terminal are mounted on the PCB assembly; the high-voltage input terminal is connected with a fuse, and the fuse is connected with a pre-charging fuse; the pre-charging fuse is connected with a high-voltage relay, and a pre-charging resistor is connected to the high-voltage relay in parallel; the high-voltage relay is connected with a small relay, the small relay is connected with a capacitor, and the capacitor is connected with a main relay; the main relay is connected with the high-voltage output terminal.
Further preferably, the high voltage input terminal is divided into a positive terminal and a negative terminal, and a separator is installed between the positive terminal and the negative terminal.
Further preferably, the high-voltage input terminal is also connected to a main relay.
The utility model saves space by integrally mounting the pre-charging and the capacitor on the PCB assembly, and is convenient without external addition; through the arrangement of the high-voltage capacitor and the pre-charging module, the current is pre-charged into the high-voltage capacitor, when the compressor is started and power is supplied, the current is output through the high-voltage capacitor after being reduced through the pre-charging resistor, so that the output current is smaller, and the fuse of the whole vehicle cannot be burnt out due to overlarge current.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
illustration of the drawings: 1. a PCB assembly; 2. a high voltage relay; 3. a main relay; 4. a high voltage input terminal; 5. a fuse; 6. pre-charging a fuse; 7. pre-charging a resistor; 8. a small relay; 9. a high-voltage capacitor; 10. an output terminal; 11. a positive terminal; 12. a negative terminal; 13. and (4) a partition board.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a precharge assembly integrated with high voltage control of the present embodiment includes a PCB assembly 1; the high-voltage circuit is characterized in that a high-voltage relay 2, a main relay 3, a high-voltage input terminal 4, a fuse 5, a pre-charging fuse 6, a pre-charging resistor 7, a small relay 8, a high-voltage capacitor 9 and an output terminal 10 are arranged on the PCB assembly 1; the high-voltage input terminal 4 is connected with a fuse 5, and the fuse 5 is connected with a pre-charging fuse 6; the pre-charging fuse 6 is connected with the high-voltage relay 2, and a pre-charging resistor 7 is connected to the high-voltage relay 2 in parallel; the high-voltage relay 2 is connected with a small relay 8, the small relay 8 is connected with a high-voltage capacitor 9, and the high-voltage capacitor 9 is connected with the main relay 3; the main relay 3 is connected with a high-voltage output terminal 10; the high-voltage input terminal 4 is divided into a positive terminal 11 and a negative terminal 12, and a separation plate 13 is arranged between the positive terminal 11 and the negative terminal 12; the high-voltage input terminal 4 is also connected to the main relay 3.
The utility model discloses an in the working process: when in pre-charging, the main relay 3 is in a closed state, high-voltage electricity enters the pre-charging circuit through the high-voltage input terminal 4, is firstly transmitted to the pre-charging fuse 6 through the fuse 5, the voltage is transmitted to a pre-charging resistor 7 through a pre-charging fuse 6, the high-voltage relay 2 is controlled, the voltage is transmitted to a small relay 8 through the high-voltage relay 2, the small relay 8 controls the high-voltage relay 2 to be switched on and off, and when the high-voltage relay 2 is switched on and off through low-voltage control, when the pre-charging resistor 7 is closed and the circuit is conducted and the high-voltage relay 2 is closed, the pre-charging resistor 7 is conducted, the current is limited by the pre-charging resistor 7, the current is charged into the high-voltage capacitor 9, when the high-voltage capacitor 9 is fully charged, the high-voltage relay 2 is attracted, and the current is limited by the pre-charging resistor 7 and then is output through the output terminal 10, so that the output current is small, and the fuse 5 of the whole vehicle cannot be burnt out due to overlarge current when the compressor is just started and electrified.
The utility model has the advantages that: the pre-charging and high-voltage capacitor 9 is integrally arranged on the PCB assembly 1, so that the space is saved, no additional arrangement is needed, and the convenience is realized; the current is precharged into the high-voltage capacitor 9 through the arrangement of the high-voltage capacitor 9 and the precharging module, and when the compressor is started and power is supplied, the current is output through the high-voltage capacitor 9, so that the output current is small, and the fuse of the whole vehicle cannot be burnt out due to overlarge current; the reason for increasing the insulation is to provide the separator 13 between the positive terminal 11 and the negative terminal 12 of the high voltage input terminal 4, and although the positive terminal 11 is not in contact with the negative terminal 12, when the air humidity is relatively high, the insulation degree is reduced due to the large amount of water vapor, and thus a conductive short circuit occurs.
The scope of the present invention is not limited to the above embodiments and their variations. The present invention is not limited to the above embodiments, and other modifications and substitutions may be made by those skilled in the art.
Claims (3)
1. An integrated high-voltage controlled pre-charge assembly comprises a PCB assembly (1); the high-voltage power supply is characterized in that a high-voltage relay (2), a main relay (3), a high-voltage input terminal (4), a fuse (5), a pre-charging fuse (6), a pre-charging resistor (7), a small relay (8), a high-voltage capacitor (9) and an output terminal (10) are mounted on the PCB assembly (1); the high-voltage input terminal (4) is connected with a fuse (5), and the fuse (5) is connected with a pre-charging fuse (6); the pre-charging fuse (6) is connected with the high-voltage relay (2), and a pre-charging resistor (7) is connected to the high-voltage relay (2) in parallel; the high-voltage relay (2) is connected with a small relay (8), the small relay (8) is connected with a high-voltage capacitor (9), and the high-voltage capacitor (9) is connected with the main relay (3); the main relay (3) is connected with a high-voltage output terminal (10).
2. An integrated high pressure controlled pre-charge assembly as set forth in claim 1, wherein: the high-voltage input terminal (4) is divided into a positive terminal (11) and a negative terminal (12), and a separation plate (13) is arranged between the positive terminal (11) and the negative terminal (12).
3. An integrated high pressure controlled pre-charge assembly as set forth in claim 1, wherein: the high-voltage input terminal (4) is also connected with the main relay (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466362.0U CN211844317U (en) | 2020-04-02 | 2020-04-02 | Pre-charging assembly integrating high-voltage control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466362.0U CN211844317U (en) | 2020-04-02 | 2020-04-02 | Pre-charging assembly integrating high-voltage control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211844317U true CN211844317U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020466362.0U Active CN211844317U (en) | 2020-04-02 | 2020-04-02 | Pre-charging assembly integrating high-voltage control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211844317U (en) |
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2020
- 2020-04-02 CN CN202020466362.0U patent/CN211844317U/en active Active
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