CN214149426U - Intelligent integrated power module - Google Patents
Intelligent integrated power module Download PDFInfo
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- CN214149426U CN214149426U CN202120417842.2U CN202120417842U CN214149426U CN 214149426 U CN214149426 U CN 214149426U CN 202120417842 U CN202120417842 U CN 202120417842U CN 214149426 U CN214149426 U CN 214149426U
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Abstract
The application relates to an intelligent integrated power module, relating to the field of electronic equipment; it includes intelligent ventilation system and power VCC, and intelligent ventilation system includes: the humidity detection circuit is connected to the power supply VCC and used for detecting the humidity in the shell and outputting a humidity detection signal; the humidity comparison circuit is connected with the humidity detection circuit to obtain a humidity detection signal, and outputs a first comparison signal when the humidity detection signal is greater than a humidity reference signal V1; the judgment circuit is connected with the humidity comparison circuit to obtain a first comparison signal and output a judgment signal; the control circuit is connected to the output end of the judging circuit to obtain a judging signal and then output a control signal; and the ventilation circuit is connected to the output end of the control circuit to acquire a control signal and ventilate the power supply module in the shell. This application is convenient for in time ventilate the processing to casing inside to reduce the inside power module of casing because of the impaired effect of possibility of weing.
Description
Technical Field
The application relates to the field of electronic equipment, in particular to an intelligent integrated power module.
Background
At present, a power module is a power supply device that can be directly attached to a printed circuit board, and is characterized by being capable of supplying power to an application specific integrated circuit, a digital signal processor, a microprocessor, a memory, a field programmable gate array, and other digital or analog loads.
The existing power supply module is generally arranged in the shell to effectively protect the power supply module; the housing is generally provided with ventilation holes on the circumferential side wall so as to facilitate ventilation and heat dissipation of the power module.
In view of the above-mentioned related art, the inventor believes that the housing is susceptible to damage caused by moisture in other parts of the housing due to poor ventilation effect inside the housing.
SUMMERY OF THE UTILITY MODEL
In order to improve the not good problem of the inside ventilation effect of casing, this application provides an intelligent integrated power module.
The application provides an intelligent integrated power module adopts following technical scheme:
the utility model provides an intelligent integrated power module, is including locating the inside intelligent ventilation system of casing and being used for the power VCC to intelligent ventilation system power supply, and intelligent ventilation system includes:
the humidity detection circuit is connected to the power supply VCC and used for detecting the humidity in the shell and outputting a humidity detection signal;
the humidity comparison circuit is connected with the humidity detection circuit to obtain a humidity detection signal, compares the humidity detection signal with a humidity reference signal V1, and outputs a first comparison signal when the humidity detection signal is greater than the humidity reference signal V1;
the judgment circuit is connected with the humidity comparison circuit to obtain a first comparison signal, and outputs a judgment signal after judging the first comparison signal;
the control circuit is connected to the output end of the judging circuit to obtain a judging signal and then output a control signal; and
and the ventilation circuit is connected to the output end of the control circuit to acquire a control signal and ventilate the inside of the shell.
By adopting the technical scheme, the humidity detection circuit can detect the humidity condition in the shell in real time and output a humidity detection signal to the humidity comparison circuit, and when the humidity detection signal is greater than the humidity reference signal V1, the humidity comparison circuit outputs a first comparison signal; the judging circuit judges the first comparison signal and then outputs a judging signal to the control circuit, the control circuit outputs a control signal to the ventilation circuit, and the ventilation circuit performs ventilation action, so that the dryness in the shell is improved, and the possibility of damage caused by the fact that other positions in the shell are affected with damp is reduced.
Optionally, the intelligent ventilation system further includes a temperature detection circuit and a temperature comparison circuit, wherein the temperature detection circuit is connected to the power VCC and is configured to detect the temperature inside the housing and output a temperature detection signal; the temperature comparison circuit is connected to the temperature detection circuit to obtain a temperature detection signal, compares the temperature detection signal with the temperature reference signal V2, and outputs a second comparison signal to the judgment circuit when the temperature detection signal is greater than the temperature reference signal V2.
By adopting the technical scheme, the temperature detection circuit can detect the internal temperature of the shell in real time and output a temperature detection signal to the temperature comparison circuit; when the temperature detection signal surpassed temperature reference signal V2, the temperature comparison circuit output second comparison signal to judge circuit to ventilation circuit in time ventilates in to the casing and handle, thereby reduces because of the inside high possibility that leads to the power module impaired of temperature.
Optionally, the humidity detection circuit includes a humidity sensor P and a first amplifier a1, wherein the humidity sensor P is disposed inside the housing, the humidity sensor P is connected to the power VCC, an output end of the humidity sensor P is connected to a non-inverting input end of the first amplifier a1, an inverting input end of the first amplifier a1 is connected in series to the first resistor R1 and then grounded, and an output end of the first amplifier a1 is connected to the humidity comparison circuit; the second resistor R2 is connected in series at the connection point of the first amplifier A1 and the humidity comparison circuit, the other end of the second resistor R2 is connected to the connection point of the first resistor R1 and the grounding point, and the resistance value of the second resistor R2 is larger than that of the first resistor R1.
By adopting the technical scheme, the humidity sensor P is used for accurately detecting the humidity in the shell in real time and transmitting a detected voltage signal to the non-inverting input end of the first amplifier A1; the first resistor R1, the second resistor R2 and the first amplifier A1 form a equidirectional operational amplifier circuit, and are used for effectively amplifying the differential pressure signal to form a humidity detection signal, and then transmitting the humidity detection signal to the humidity comparison circuit, so that the accuracy of the whole circuit is improved conveniently.
Optionally, the humidity comparison circuit includes a first comparator a2, a non-inverting input terminal of the first comparator a2 is connected to an output terminal of the first amplifier a1, an inverting input terminal of the first comparator a2 inputs the humidity reference signal V1, and an output terminal of the first comparator a2 is connected to the determination circuit.
By adopting the above technical scheme, when the humidity detection signal is greater than the humidity reference signal V1, the first comparator a2 outputs a first comparison signal, and the first comparison signal is at a high level.
Optionally, the temperature detection circuit includes a temperature sensor and a second amplifier A3, the temperature sensor is connected to the power VCC, an output end of the temperature sensor is connected to a non-inverting input end of the second amplifier A3, an inverting input end of the second amplifier A3 is connected in series to the third resistor R3 and then grounded, and an output end of the second amplifier A3 is connected to the temperature comparison circuit; the connecting point of the second amplifier A3 and the temperature comparison circuit is connected with a fourth resistor R4 in series, the other end of the fourth resistor R4 is connected with the connecting point of the third resistor R3 and the grounding point, and the resistance value of the fourth resistor R4 is larger than that of the third resistor R3.
By adopting the technical scheme, the temperature sensor is used for accurately detecting the internal temperature of the shell and transmitting a detected temperature signal to the second amplifier A3; the second amplifier a3, the third resistor R3 and the fourth resistor R4 also form a equidirectional operational amplifier circuit, which can amplify the temperature signal detected by the temperature sensor to form a temperature detection signal and then transmit the temperature detection signal to the temperature comparison circuit for accurate measurement.
Optionally, the temperature comparison circuit includes a second comparator a4, a non-inverting input terminal of the second comparator a4 is connected to an output terminal of the second amplifier A3, an inverting input terminal of the second comparator a4 is connected to the temperature reference signal V2, and an output terminal of the second comparator a4 is connected to the determination circuit.
By adopting the technical scheme, when the temperature detection signal is greater than the temperature reference signal V2, the second comparator A4 outputs a second comparison signal, and the second comparison signal is at a high level.
Optionally, the determining circuit includes an or gate N1, one input terminal of the or gate N1 is connected to the output terminal of the temperature comparing circuit, the other input terminal of the or gate N1 is connected to the output terminal of the humidity comparing circuit, and the output terminal of the or gate N1 is connected to the control circuit.
By adopting the technical scheme, when the temperature detection signal is greater than the temperature reference signal V2 or the humidity detection signal is greater than the humidity reference signal V1, the OR gate N1 outputs a judgment signal to the control circuit; that is, when the humidity inside the casing is greater than the humidity reference signal V1 or when the temperature inside the casing is greater than the temperature reference signal V2, the determination circuit can output the determination signal to the control circuit, thereby facilitating the increase of the dryness inside the casing and the decrease of the temperature inside the casing.
Optionally, the control circuit includes a first triode Q1 and a fifth resistor R5, a base of the first triode Q1 is connected to the output end of the determining circuit, an emitter of the first triode Q1 is grounded, a collector of the first triode Q1 is connected in series with the fifth resistor R5 and then is connected to the power VCC, and a collector of the first triode Q1 is connected to the ventilation circuit.
By adopting the technical scheme, when the judging circuit outputs the judging signal to the control circuit, the first triode Q1 is conducted, and the control signal is input to the ventilation circuit, so that the ventilation circuit can ventilate the inside of the shell.
Optionally, the ventilation circuit includes a ventilation fan PV1 and a first diode D1, wherein the first diode D1 is connected in series to a connection point of the fifth resistor R5 and the collector of the first transistor Q1, and the ventilation fan PV1 is connected in parallel to both ends of the first diode D1.
Through adopting above-mentioned technical scheme, after first triode Q1 switches on, ventilation fan PV1 begins work, blows to power module to increase the inside humidity and the temperature of the inside humidity and the reduction electricity casing of the degree of dryness in the casing simultaneously, in order to reduce the inside other parts of casing and because of the possibility that the moisture received and damaged.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the humidity sensor P can effectively detect the humidity inside the shell, meanwhile, the temperature sensor can detect the temperature inside the shell in real time, when a humidity detection signal is greater than a humidity reference signal V1 or a temperature detection signal is greater than a temperature reference signal V2, the judgment circuit outputs a judgment signal to the control circuit, the judgment signal is high level, the first triode Q1 is conducted, even if the ventilation fan PV1 enters a working state, ventilation and dehumidification processing can be conveniently carried out on the temporal part of the shell, and therefore the humidity and the temperature inside the shell are both restored to be proper;
2. the first amplifier A1, the first resistor R1 and the second resistor R2 form a equidirectional operational amplifier circuit, and a voltage signal detected by the humidity sensor P is amplified and then output to the humidity comparison circuit so as to be measured accurately; the second amplifier A3, the third resistor R3 and the fourth resistor R4 also form a equidirectional operational amplifier circuit, and the voltage signal detected by the temperature sensor is amplified and then transmitted to the temperature comparison circuit, so that the measurement accuracy of the whole circuit is improved;
3. the fifth resistor R5 is provided to effectively protect the first transistor Q1.
Drawings
FIG. 1 is a schematic circuit diagram showing an intelligent ventilation system.
Description of reference numerals: 1. a humidity detection circuit; 2. a humidity comparison circuit; 3. a temperature detection circuit; 4. a temperature comparison circuit; 5. a judgment circuit; 6. a control circuit; 7. a ventilation circuit.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses an intelligent integrated power module.
Referring to fig. 1, an intelligent integrated power module includes an intelligent ventilation system and a power VCC for supplying power to the intelligent ventilation system, the intelligent ventilation system includes a humidity detection circuit 1, a humidity comparison circuit 2, a temperature detection circuit 3, a temperature comparison circuit 4, a judgment circuit 5, a control circuit 6 and a ventilation circuit 7, wherein the humidity detection circuit 1 is connected to the power VCC to obtain a humidity condition inside a housing and output a humidity detection signal; the humidity comparison circuit 2 is connected to the output end of the humidity detection circuit 1 to obtain a humidity detection signal, compares the humidity detection signal with a humidity reference signal V1, and outputs a first comparison signal when the humidity detection signal is greater than the humidity reference signal V1; the temperature detection circuit 3 is connected to a power supply VCC and used for acquiring the temperature condition in the shell and outputting a temperature detection signal; the temperature comparison circuit 4 is connected to the output end of the temperature detection circuit 3 to obtain a temperature detection signal, compares the temperature detection signal with the temperature reference signal V2, and outputs a second comparison signal when the temperature detection signal is greater than the temperature reference signal V2.
The judgment circuit 5 is connected to the output end of the humidity comparison circuit 2 to obtain a first comparison signal, is connected to the temperature comparison circuit 4 to obtain a second comparison signal, judges the first comparison signal and the second comparison signal, and then outputs a judgment signal; the control circuit 6 is connected to the output end of the judging circuit 5 to obtain a judging signal and responds to the judging signal to output a control signal; the ventilation circuit 7 is connected to the output end of the control circuit 6 to obtain a control signal and ventilate the inside of the housing.
The humidity detection circuit 1 detects real-time humidity inside the shell, and when a humidity detection signal is greater than a humidity reference signal V1, the humidity comparison circuit 2 inputs a first comparison signal to the judgment circuit 5; the temperature detection circuit 3 detects the real-time temperature in the shell, and when the temperature detection signal is greater than the temperature reference signal V2, the temperature comparison circuit 4 inputs a second comparison signal to the judgment circuit 5; after the judgment circuit 5 acquires the first comparison signal or the second comparison signal, the judgment circuit can output a judgment signal to the control circuit 6 so as to finally enable the ventilation circuit 7 to perform ventilation treatment on the interior of the shell; this intelligence ventilation system has reached when inside humidity of casing or temperature surpass normal range after, all in time to the inside effect of ventilating of casing to reduce the inside other parts of casing and be impaired possibility because of weing or being heated.
Referring to fig. 1, the humidity detection circuit 1 includes a temperature sensor, a first amplifier a1, a first resistor R1, and a second resistor R2, wherein the humidity sensor P is disposed inside the housing, the humidity sensor P is connected to the power source VCC, and an output terminal of the humidity sensor P is connected to a non-inverting input terminal of the first amplifier a 1; in the embodiment of the application, the humidity sensor P is a semiconductor ceramic humidity sensor; the inverting input end of the first amplifier a1 is connected in series with the first resistor R1 and then grounded, the output end of the first amplifier a1 is connected to the humidity comparison circuit 2, one end of the second resistor R2 is connected to the connection point of the first amplifier a1 and the humidity comparison circuit 2, the other end of the second resistor R2 is connected to the connection point of the first resistor R1 and the ground, and the resistance value of the second resistor R2 is always larger than that of the first resistor R1.
The humidity sensor P detects the dry humidity condition in the shell, and transmits the detected signal to the first amplifier A1 as an analog voltage signal, and the equidirectional operational amplifier circuit consisting of the first amplifier A1, the first resistor R1 and the second resistor R2 can amplify the analog voltage signal and then form a humidity detection signal so as to accurately measure the humidity; in the embodiment of the application, the amplification factor of a homodromous amplifier circuit consisting of the first amplifier A1, the first resistor R1 and the second resistor R2 is 1+ R2/R1; meanwhile, the humidity sensor P is a semiconductor ceramic humidity sensor, so that the detection precision of the humidity detection circuit 1 on the humidity inside the shell is further effectively improved.
Referring to fig. 1, the humidity comparison circuit 2 includes a first comparator a2, a non-inverting input terminal of the first comparator a2 is connected to an output terminal of the first amplifier a1, an inverting input terminal of the first comparator a2 inputs a humidity reference signal V1, and an output terminal of the first comparator a2 is connected to the judgment circuit 5; the first comparator a2 compares the humidity detection signal sent by the humidity detection circuit 1 with the humidity reference signal V1, and outputs a first comparison signal to the input terminal of the determination circuit 5 when the humidity detection signal is greater than the humidity reference signal V1, and the output first comparison signal is at a high level.
Referring to fig. 1, the temperature detection circuit 3 includes a temperature sensor, a second amplifier A3, a third resistor R3, and a fourth resistor R4, wherein the temperature sensor is disposed inside the housing, the temperature sensor is connected to the power source VCC, and an output terminal of the temperature sensor is connected to a non-inverting input terminal of the second amplifier A3; in the embodiment of the application, the temperature sensor is an LM35 sensor; the inverting input end of the second amplifier A3 is connected in series with the third resistor R3 and then grounded, the output end of the second amplifier A3 is connected to the temperature comparison circuit 4, one end of the fourth resistor R4 is connected to the connection point of the second amplifier A3 and the temperature comparison circuit 4, the other end of the fourth resistor R4 is connected to the connection point of the third resistor R3 and the ground, and the resistance value of the fourth resistor R4 is always larger than that of the third resistor R3.
The temperature sensor detects the temperature inside the shell, and transmits the detected signal to the second amplifier A3 as an analog voltage signal, and the equidirectional operational amplifier circuit consisting of the second amplifier A3, the third resistor R3 and the fourth resistor R4 can amplify the analog voltage signal and then form a temperature detection signal so as to accurately measure the temperature; in the embodiment of the application, the amplification factor of a homodromous amplifier circuit consisting of the second amplifier A3, the third resistor R3 and the fourth resistor R4 is 1+ R4/R3; meanwhile, the temperature sensor is an LM35 temperature sensor, so that the detection precision of the temperature detection circuit 3 for detecting the internal temperature of the shell is further effectively improved.
Referring to fig. 1, the temperature comparison circuit 4 includes a second comparator a4, a non-inverting input terminal of the second comparator a4 is connected to an output terminal of the second amplifier A3, an inverting input terminal of the second comparator a4 is input with the temperature reference signal V2, and an output terminal of the second comparator a4 is connected to the determination circuit 5; the second comparator a4 compares the temperature detection signal from the temperature detection circuit 3 with the temperature reference signal V2, and outputs a second comparison signal to the input terminal of the determination circuit 5 when the temperature detection signal is greater than the temperature reference signal V2, and the output second comparison signal is at a high level.
Referring to fig. 1, the determining circuit 5 includes an or gate N1, the or gate N1 has one input terminal connected to the output terminal of the first comparator a2 and the other input terminal connected to the output terminal of the second comparator a4, and the output terminal of the or gate N1 is connected to the control circuit 6; the or gate N1 may have one input terminal receiving the first comparison signal and the other input terminal receiving the second comparison signal, and may output the determination signal when the or gate N1 receives only the first comparison signal or only the second comparison signal, and the determination signal is at a high level.
Referring to fig. 1, the control circuit 6 includes a first transistor Q1 and a fifth resistor R5, wherein a base of the first transistor Q1 is connected to an output terminal of the or gate N1, a collector of the first transistor Q1 is connected in series with the fifth resistor R5 and then connected to a power source VCC, the ventilation circuit 7 is connected in series with a connection point of the fifth resistor R5 and the first transistor Q1, and an emitter of the first transistor Q1 is grounded; in the embodiment of the present application, the first transistor Q1 is an NPN transistor; when the determination circuit 5 outputs the determination signal to the first transistor Q1, the collector and the emitter of the first transistor Q1 are connected to each other, so that the ventilation circuit 7 performs ventilation processing on the inside of the housing.
Referring to fig. 1, the ventilation circuit 7 includes a first diode D1 and a ventilation fan PV1, wherein the first diode D1 is connected in series to a connection point of a fifth resistor R5 and a collector of a first transistor Q1, the ventilation fan PV1 is connected in parallel to both ends of a first diode D1, and a cathode of the first diode D1 is connected to the fifth resistor R5; when the control circuit 6 outputs a control signal, the first diode D1 is turned on, and the ventilation fan PV1 is in an operating state to ventilate the inside of the housing, so that the possibility that other parts inside the housing are damaged due to moisture or heat is reduced.
The implementation principle of an intelligent integrated power module in the embodiment of the application is as follows: when the humidity in the shell exceeds the normal range, the humidity comparison circuit 2 outputs a first comparison signal to the judgment circuit 5; when the temperature in the shell exceeds the normal range, the temperature comparison circuit 4 outputs a second comparison signal to the judgment circuit 5; when receiving the first comparison signal or the second comparison signal, the determination circuit 5 may output a determination signal, and the determination signal is at a high level, and the determination signal at the high level may enable the control circuit 6 to output a control signal to enable the ventilation circuit 7 to be in a conducting state, even if the ventilation fan PV1 is in a working state, so as to perform ventilation processing on the inside of the housing, thereby reducing the possibility that other parts inside the housing are damaged due to moisture or heat.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an intelligent integrated power module which characterized in that: including locating the inside intelligent ventilation system of casing, intelligent ventilation system includes:
the humidity detection circuit (1) is connected to a power supply VCC and is used for detecting the humidity in the shell and outputting a humidity detection signal;
the humidity comparison circuit (2) is connected to the humidity detection circuit (1) to acquire a humidity detection signal, compares the humidity detection signal with a humidity reference signal V1, and outputs a first comparison signal when the humidity detection signal is greater than the humidity reference signal V1;
the judgment circuit (5) is connected with the humidity comparison circuit (2) to obtain a first comparison signal, and outputs a judgment signal after judging the first comparison signal;
the control circuit (6) is connected to the output end of the judging circuit (5) to obtain a judging signal and then output a control signal; and
and the ventilation circuit (7) is connected to the output end of the control circuit (6) to acquire a control signal and ventilate the inside of the shell.
2. The intelligent integrated power module of claim 1, wherein: the intelligent ventilation system also comprises a temperature detection circuit (3) and a temperature comparison circuit (4), wherein the temperature detection circuit (3) is connected to the power supply VCC and is used for detecting the internal temperature of the shell and outputting a temperature detection signal; the temperature comparison circuit (4) is connected to the temperature detection circuit (3) to obtain a temperature detection signal, compares the temperature detection signal with the temperature reference signal V2, and outputs a second comparison signal to the judgment circuit (5) when the temperature detection signal is greater than the temperature reference signal V2.
3. The intelligent integrated power module of claim 2, wherein: the humidity detection circuit (1) comprises a humidity sensor P and a first amplifier A1, wherein the humidity sensor P is arranged inside the shell and is connected with a power supply VCC, the output end of the humidity sensor P is connected with the non-inverting input end of the first amplifier A1, the inverting input end of the first amplifier A1 is connected with a first resistor R1 in series and then grounded, and the output end of the first amplifier A1 is connected with the humidity comparison circuit (2); the second resistor R2 is connected in series at the connection point of the first amplifier A1 and the humidity comparison circuit (2), the other end of the second resistor R2 is connected to the connection point of the first resistor R1 and the grounding point, and the resistance value of the second resistor R2 is larger than that of the first resistor R1.
4. The intelligent integrated power module of claim 3, wherein: the humidity comparison circuit (2) comprises a first comparator A2, wherein the non-inverting input end of the first comparator A2 is connected with the output end of a first amplifier A1, the inverting input end of the first comparator A2 inputs a humidity reference signal V1, and the output end of the first comparator A2 is connected with a judgment circuit (5).
5. The intelligent integrated power module of claim 4, wherein: the temperature detection circuit (3) comprises a temperature sensor and a second amplifier A3, the temperature sensor is connected to a power supply VCC, the output end of the temperature sensor is connected to the non-inverting input end of the second amplifier A3, the inverting input end of the second amplifier A3 is connected in series with a third resistor R3 and then is grounded, and the output end of the second amplifier A3 is connected to the temperature comparison circuit (4); the connecting point of the second amplifier A3 and the temperature comparison circuit (4) is connected with a fourth resistor R4 in series, the other end of the fourth resistor R4 is connected with the connecting point of the third resistor R3 and the grounding point, and the resistance value of the fourth resistor R4 is larger than that of the third resistor R3.
6. The intelligent integrated power module of claim 5, wherein: the temperature comparison circuit (4) comprises a second comparator A4, the non-inverting input end of the second comparator A4 is connected to the output end of a second amplifier A3, the inverting input end of the second comparator A4 is connected to a temperature reference signal V2, and the output end of the second comparator A4 is connected to the judgment circuit (5).
7. The intelligent integrated power module of claim 6, wherein: the judging circuit (5) comprises an OR gate N1, one input end of an OR gate N1 is connected with the output end of the temperature comparison circuit (4), the other input end of an OR gate N1 is connected with the output end of the humidity comparison circuit (2), and the output end of an OR gate N1 is connected with the control circuit (6).
8. The intelligent integrated power module of claim 7, wherein: the control circuit (6) comprises a first triode Q1 and a fifth resistor R5, the base electrode of the first triode Q1 is connected to the output end of the judging circuit (5), the emitting electrode of the first triode Q1 is grounded, the collector electrode of the first triode Q1 is connected in series with the fifth resistor R5 and then is connected with a power supply VCC, and the collector electrode of the first triode Q1 is connected with the ventilation circuit (7).
9. The intelligent integrated power module of claim 8, wherein: the ventilation circuit (7) comprises a ventilation fan PV1 and a first diode D1, wherein the first diode D1 is connected in series with the connecting point of the fifth resistor R5 and the collector of the first triode Q1, and the ventilation fan PV1 is connected in parallel with two ends of the first diode D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417842.2U CN214149426U (en) | 2021-02-25 | 2021-02-25 | Intelligent integrated power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120417842.2U CN214149426U (en) | 2021-02-25 | 2021-02-25 | Intelligent integrated power module |
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| Publication Number | Publication Date |
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| CN214149426U true CN214149426U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120417842.2U Active CN214149426U (en) | 2021-02-25 | 2021-02-25 | Intelligent integrated power module |
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| Country | Link |
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| CN (1) | CN214149426U (en) |
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2021
- 2021-02-25 CN CN202120417842.2U patent/CN214149426U/en active Active
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