CN113904314A - TVS diode anti-surge circuit for compressor controller - Google Patents
TVS diode anti-surge circuit for compressor controller Download PDFInfo
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- CN113904314A CN113904314A CN202111202746.7A CN202111202746A CN113904314A CN 113904314 A CN113904314 A CN 113904314A CN 202111202746 A CN202111202746 A CN 202111202746A CN 113904314 A CN113904314 A CN 113904314A
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- voltage
- compressor controller
- input end
- tvs diode
- circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
Abstract
The invention relates to the technical field of TVS diode application, in particular to a TVS diode anti-surge circuit for a compressor controller, which comprises: the input end A, the input end B, TVS, a diode D, a capacitor C and a compressor controller high-voltage circuit; one end of the input end A is connected with the anode of the external power supply equipment, and one end of the input end B is connected with the cathode of the external power supply equipment; the other end of the input end A is sequentially connected in parallel with a positive terminal of a TVS diode D, a positive terminal of a capacitor C and a positive terminal of a high-voltage circuit of a compressor controller; the other end of the input end B is connected in parallel with a negative wiring end of the TVS diode D, a negative wiring end of the capacitor C and a negative wiring end of a high-voltage circuit of the compressor controller in sequence. When the transient high voltage passes through, the TVS diode D can quickly absorb the surge power of thousands of watts, effectively protects the precise components in the high-voltage circuit of the compressor controller, and is applied to the high-voltage circuit of the compressor controller of a new energy automobile for the first time.
Description
Technical Field
The invention relates to the technical field of TVS diode application, in particular to a TVS diode anti-surge circuit for a compressor controller.
Background
At present, a new energy automobile mainly supplies power to a compressor controller circuit through a configured whole automobile power supply, the working voltage of a high-voltage circuit of the compressor controller is 320V, the maximum withstand voltage of an IGBT (insulated gate bipolar transistor) in the circuit is 600V, and the voltage of the whole automobile external power supply equipment of the new energy automobile is mostly greater than the rated working voltage of the high-voltage circuit of the compressor controller under the condition that the whole automobile external power supply equipment is fully charged, so that voltage fluctuation and surge are easily caused. In view of this, we propose a TVS diode anti-surge circuit for a compressor controller.
Disclosure of Invention
The present invention is directed to a TVS diode anti-surge circuit for a compressor controller to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a TVS diode anti-surge circuit for a compressor controller, comprising: the input end A, the input end B, TVS, a diode D, a capacitor C and a compressor controller high-voltage circuit;
one end of the input end A is connected with the voltage anode of the external power supply equipment, and one end of the input end B is connected with the voltage cathode of the external power supply equipment;
the other end of the input end A is sequentially connected in parallel with a voltage positive terminal of the TVS diode D, a voltage positive terminal of the capacitor C and a voltage positive terminal of a high-voltage circuit of the compressor controller;
the other end of the input end B is connected in parallel with a voltage negative terminal of the TVS diode D, a voltage negative terminal of the capacitor C and a voltage negative terminal of a high-voltage circuit of the compressor controller in sequence.
Preferably, the model of the TVS diode D is SMBJ600 CA;
the capacitance of the capacitor C is 1000pF, and the withstand voltage is 1000V.
Compared with the prior art, the invention has the beneficial effects that: the TVS diode anti-surge circuit for the compressor controller can be 10 when two poles of a TVS diode D are impacted by reverse transient high energy when transient high voltage passes through-12The TVS diode D effectively protects precision components such as IGBT, drivers and other circuit elements in a high-voltage circuit of the compressor controller from being damaged by various surge pulses, effectively protects the circuit voltage from being used safely, and is applied to the compressor controller of a new energy automobileThe high-voltage circuit is applied for the first time, and is convenient to popularize and popularize.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a diagram of the overall circuit connection of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A TVS diode anti-surge circuit for a compressor controller, which is an overall structural schematic diagram of the present invention as shown in fig. 1, and an overall circuit connection diagram of the present invention as shown in fig. 2, comprising: the input end A, the input end B, TVS, a diode D, a capacitor C and a compressor controller high-voltage circuit; one end of the input end A is connected with the voltage anode of the external power supply equipment, and one end of the input end B is connected with the voltage cathode of the external power supply equipment; the other end of the input end A is sequentially connected in parallel with a voltage positive terminal of a TVS diode D, a voltage positive terminal of a capacitor C and a voltage positive terminal of a high-voltage circuit of a compressor controller; the other end of the input end B is connected in parallel with a voltage negative terminal of the TVS diode D, a voltage negative terminal of the capacitor C and a voltage negative terminal of a high-voltage circuit of the compressor controller in sequence. In this embodiment, the working voltage of the high-voltage circuit of the compressor controller is 320V, the circuit is not conducted if the TVS diode D is not triggered, and the compressor controller is highThe maximum withstand voltage of an IGBT (insulated gate bipolar transistor) in the voltage circuit is 600V, and the voltage of the whole external power supply equipment of the new energy automobile is mostly greater than the rated working voltage of a high-voltage circuit of a compressor controller under the condition of full charge, so that voltage fluctuation such as voltage fluctuation and surge is easily caused, but when the transient high voltage is greater than 570V, the two poles of the TVS diode D are impacted by reverse transient high energy, the voltage of the TVS diode D can be 10-12At the speed of the second order of magnitude of the power, the high impedance between the input end A and the input end B is changed into low impedance, the surge power of thousands of watts is absorbed, the voltage between the two electrodes is clamped at a preset value, and the TVS diode D effectively protects the precision components in the high-voltage circuit of the compressor controller, such as an IGBT, a driver and other circuit elements, from being damaged by various surge pulses, and effectively protects the use safety of the circuit voltage.
It should be noted that the model of the TVS diode D in this embodiment is SMBJ600 CA; the capacitance of the capacitor C is 1000pF, and the withstand voltage is 1000V.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A TVS diode anti-surge circuit for a compressor controller, comprising: the input end A, the input end B, TVS, a diode D, a capacitor C and a compressor controller high-voltage circuit;
one end of the input end A is connected with the voltage anode of the external power supply equipment, and one end of the input end B is connected with the voltage cathode of the external power supply equipment;
the other end of the input end A is sequentially connected in parallel with a voltage positive terminal of the TVS diode D, a voltage positive terminal of the capacitor C and a voltage positive terminal of a high-voltage circuit of the compressor controller;
the other end of the input end B is connected in parallel with a voltage negative terminal of the TVS diode D, a voltage negative terminal of the capacitor C and a voltage negative terminal of a high-voltage circuit of the compressor controller in sequence.
2. The TVS diode anti-surge circuit for a compressor controller of claim 1, wherein: the model of the TVS diode D is SMBJ600 CA;
the capacitance of the capacitor C is 1000pF, and the withstand voltage is 1000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202746.7A CN113904314A (en) | 2021-10-15 | 2021-10-15 | TVS diode anti-surge circuit for compressor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111202746.7A CN113904314A (en) | 2021-10-15 | 2021-10-15 | TVS diode anti-surge circuit for compressor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113904314A true CN113904314A (en) | 2022-01-07 |
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ID=79192209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111202746.7A Pending CN113904314A (en) | 2021-10-15 | 2021-10-15 | TVS diode anti-surge circuit for compressor controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN113904314A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116345957A (en) * | 2023-01-05 | 2023-06-27 | 上海耀杉电子科技有限公司 | Compressor controller voltage sectional starting method and system thereof |
-
2021
- 2021-10-15 CN CN202111202746.7A patent/CN113904314A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116345957A (en) * | 2023-01-05 | 2023-06-27 | 上海耀杉电子科技有限公司 | Compressor controller voltage sectional starting method and system thereof |
| CN116345957B (en) * | 2023-01-05 | 2023-12-08 | 上海耀杉电子科技有限公司 | Compressor controller voltage sectional starting method and system thereof |
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