CN113162443A - Multi-source output circuit and power supply - Google Patents
Multi-source output circuit and power supply Download PDFInfo
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- CN113162443A CN113162443A CN202110259957.8A CN202110259957A CN113162443A CN 113162443 A CN113162443 A CN 113162443A CN 202110259957 A CN202110259957 A CN 202110259957A CN 113162443 A CN113162443 A CN 113162443A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/40—Conversion of AC power input into DC power output without possibility of reversal by combination of static with dynamic converters; by combination of dynamo-electric with other dynamic or static converters
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Abstract
The embodiment of the application provides a multisource output circuit and power, multisource output circuit includes: a plurality of power input circuits, a signal generating circuit and an analog switch circuit; the power supply input circuit is used for providing load voltage required by a load; the signal generating circuit is used for generating different control signals and sending the control signals to the analog switch circuit; and the analog switch circuit is configured to conduct the corresponding power input circuit to be connected with a load according to the control signal. According to the multi-source output circuit and the power supply provided by the embodiment of the application, different power supply voltages can be provided as required when different loads are supplied with power, and the power supply arrangement cost and the maintenance difficulty when multi-source power supply is needed are reduced.
Description
Technical Field
The application belongs to the technical field of power supply design, and particularly relates to a multi-source output circuit and a power supply.
Background
Generally, the power output voltage required by the electronic device is a stable voltage, such as a fixed frequency air conditioner; different devices of some equipment need different voltages, such as a variable frequency air conditioner; the variable frequency air conditioner usually needs two main chips to respectively control the indoor unit and the outdoor unit, when the main chips of the main control panel of the indoor unit and the outdoor unit are selected, different main chips are usually selected in consideration of device cost, resource utilization rate and energy consumption requirements, power supplies of different main chips are different, most of the power supplies in the market are 5V or 3.3V power supplies, and the power supplies in the market are less likely to be 1.8V power supplies.
When the power is supplied to the chips of different power supplies, different power supplies need to be designed, so that the cost and the maintenance difficulty are increased.
Disclosure of Invention
The embodiment of the application provides a multisource output circuit and a power supply, and different power supplies provided according to needs can supply power to different chips, so that the power supply arrangement cost and the maintenance difficulty are reduced.
In a first aspect, an embodiment of the present application provides a multi-source output circuit, including: a plurality of power input circuits, a signal generating circuit and an analog switch circuit;
a power input circuit for providing a load voltage required by a load;
the signal generating circuit is used for generating different control signals and sending the control signals to the analog switch circuit;
and the analog switch circuit is configured to conduct the corresponding power input circuit to be connected with the load according to the control signal.
Further, the signal generating device comprises a plurality of resistors and a controller, and the controller is configured to select to switch on the plurality of resistors.
Further, the signal generating circuit includes: the circuit comprises a power supply Vcc, a plurality of controllers, a plurality of resistors, two output ends A and B and a ground end GND;
the power supply Vcc is used for providing electric energy required by the work of the signal generating circuit;
the controller is used for controlling the on-off of the circuit of the access resistor so as to generate a control signal;
the output end is used for outputting the control signal to two input ends of the analog switch circuit.
Further, the signal generating circuit comprises four resistors R1, R2, R3 and R4, and the four resistors R1, R2, R3 and R4 are fixed-value resistors with the same resistance; or, the signal generating circuit comprises four resistors R1, R2, R3 and R4, and the four resistors R1, R2, R3 and R4 are constant resistors with different resistances.
Further, the signal generating circuit comprises four resistors R1, R2, R3 and R4, and the four resistors R1, R2, R3 and R4 are resistors with adjustable resistance values.
Further, the analog switch circuit is a 74LV4052 analog switch circuit.
Furthermore, the number of the power input circuits is four, and the four power input circuits are respectively as follows: 7812 voltage conversion chip input circuit, 7805 voltage conversion chip input circuit, AMS1117-3.3 voltage conversion chip input circuit and AMS1117-1.8 voltage conversion chip input circuit.
Furthermore, the signal generating circuit is a singlechip.
Further, the method also comprises the following steps: and the rectification filter circuit is used for rectifying and filtering the commercial power when the multi-source output circuit is connected with the commercial power and transmitting the rectified and filtered electric energy to the power input circuit.
Further, the method also comprises the following steps: and the standby power supply input circuit is provided with a standby power supply access end and is used for accessing a standby power supply and supplying power to the power supply input circuit.
Further, the signal generating circuit further includes: and the acousto-optic indicating unit is used for indicating the on-off state of the signal generating circuit and the load.
In a second aspect, an embodiment of the present application provides a multi-source output power supply, which includes a housing and a motherboard, and the multi-source output circuit described above.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a multi-source output circuit according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a multi-source output circuit provided by one embodiment of the present application;
fig. 3 is a schematic diagram of a signal generating circuit in a multi-source output circuit according to an embodiment of the present application.
Detailed Description
Features and exemplary embodiments of various aspects of the present application will be described in detail below, and in order to make objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative only and are not intended to be limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The multi-source output circuit and the power supply provided by the embodiment of the application are mainly applied to the variable frequency air conditioner. Generally, the power output voltage required by a fixed-frequency air conditioner is a stable voltage; the variable frequency air conditioner usually needs two main chips to respectively control the indoor unit and the outdoor unit, when the main chips of the main control panel of the indoor unit and the outdoor unit are selected, different main chips are usually selected in consideration of device cost, resource utilization rate and energy consumption requirements, power supplies of different main chips are different, most of the power supplies in the market are 5V or 3.3V power supplies at present, and the power supplies of a few main chips are possible to be 1.8V power supplies.
In the prior art, in order to meet the power supply requirements of different chips or loads, different power supply sources need to be designed, so that the cost and the maintenance difficulty are increased.
In order to solve the prior art problem, the embodiment of the application provides a multisource output circuit and a power supply, and different power supply voltages can be provided as required when different loads are supplied with power, so that the power supply arrangement cost and the maintenance difficulty are reduced. The load is an electronic element connected to the power output end or the output end of the power output circuit, and in the application, the load can be each level of control chips of an indoor unit and an outdoor unit of an air conditioner. The following first introduces a multi-source output circuit provided in an embodiment of the present application.
Fig. 1 shows a schematic structural diagram of a multi-source output circuit according to an embodiment of the present application. As shown in fig. 1, the multi-source output circuit may include the following circuit blocks: a power input circuit 101, a signal generation circuit 102, and an analog switch circuit 103.
The power input circuit 101 is used for providing a load voltage required by a load; the power supply circuit comprises a plurality of power supply input circuits with the same or different load voltages; for example, the present embodiment may include 2 power input circuits, where two power input circuits provide a load voltage required by a load, and when necessary, the corresponding power input circuits are connected to the load, so that multiple power outputs can be realized.
A signal generating circuit 102 for generating different control signals and transmitting the control signals to the analog switch circuit 103;
the analog switch circuit 103 is configured to turn on the connection between the corresponding power input circuit 102 and the load circuit according to the control signal of the signal generation circuit 102, and output (to the load) the load voltage.
The multi-source output circuit provided by the embodiment is provided with a plurality of power input circuits according to needs and can output corresponding load voltages; according to the control of the user terminal, the signal generator obtains a corresponding control signal to control the on-off of the corresponding power input circuit and the load, so that the load voltage can be selected and output according to the load. This embodiment only needs switch on corresponding power input circuit and the being connected of load when facing a plurality of different loads, does not need the different power supply who increases, has practiced thrift the cost, has reduced the degree of difficulty of later maintenance.
Referring to fig. 2, fig. 2 is a circuit diagram of a multi-source output circuit according to an embodiment of the present disclosure. In this embodiment, an incoming commercial power (AC power) is rectified and filtered by a rectifier bridge, an electrolytic capacitor, a ceramic capacitor, and the like, and then the rectified and filtered commercial power is subjected to voltage conversion by a power input circuit to obtain a load voltage.
In this embodiment, the analog switch circuits 74LV4052, 74LV4052 are 2-way four-out-one analog switch circuits with a common enable input control bit, each of the multiple switches has four independent inputs/outputs (Y0-Y3), a common input/output (Z) and a select input (a). The common enable input control bit includes two select inputs a0, a1 and an active low enable input E. Each path contains four bidirectional analog switches. One side of the switch is connected to the independent input/output (Y0-Y3) and the other side is connected to the common input/output terminal (Z).
By inputting different level signals into the common input/output end (Z) and the selection input end (A) of the 74LV4052 analog switch circuit, the on-off of a specific line can be controlled. Namely, the analog switch can control the on-off of the specific power input circuit and the load by generating a specific control signal (level signal) through the signal generating circuit.
In one embodiment of the present application, the signal generating circuit is: the device comprises 4 resistors R1, R2, R3 and R4, wherein two ends of R1 are respectively connected with R2 and R3, the other end of R2 is connected with R4, and the other end of R4 is connected with R3; one end of the R1 connected with the R3 is connected with the input end of the power supply; one end of the R1 connected with the R2 and one end of the R3 connected with the R4 are respectively connected with two selection input ends of the 74LV4052 analog switch circuit, and the following conditions are met:
when the resistors R2 and R4 are connected and the resistors R1 and R3 are not connected, the two selection input ends B, A of the 74LV4052 analog switch circuit are both input to low level;
when the resistors R3 and R2 are connected and the resistors R1 and R4 are not connected, the two selection input ends B, A of the 74LV4052 analog switch circuit respectively input a low level and a high level;
when the resistors R1 and R4 are connected and the resistors R3 and R2 are not connected, the two selection input ends B, A of the 74LV4052 analog switch circuit respectively input a high level and a low level;
when the resistors R3 and R1 are switched in and the resistors R4 and R2 are not switched in, two selection input ends B, A of the 74LV4052 analog switch circuit input high level.
In the above embodiments, "not connected" means that the corresponding resistor is disconnected.
Similarly, in an embodiment of the present application, the resistor of the signal generating circuit may also be a constant value resistor with different values, as long as the above conditions and the input voltage requirement of the analog switch circuit can be satisfied. For example, the present embodiment may include R1, R2, R3, and R4, where the connection manner of the resistors may be the same as the example in fig. 2, and the resistances of R1, R2, R3, and R4 are sequentially increased, but it needs to satisfy two output terminals of the signal generating circuit: the lowest output level is less than or equal to the lowest input level of the analog switch circuit, and the highest output level is greater than or equal to the highest input level of the analog switch circuit, so that two selection input ends of the analog switch circuit can receive various level signals, and the circuit connection of the corresponding power input circuit and the load is further switched on or switched off.
In this embodiment, when the resistors R2 and R4 are connected and the resistors R1 and R3 are not connected, the two terminals B, A of the 74LV4052 analog switch circuit are both inputted with low level;
when the resistors R3 and R2 are connected and the resistors R1 and R4 are not connected, the two selection input ends B, A of the 74LV4052 analog switch circuit respectively input a low level and a high level;
when the resistors R1 and R4 are connected and the resistors R3 and R2 are not connected, the two selection input ends B, A of the 74LV4052 analog switch circuit respectively input a high level and a low level;
when the resistors R3 and R1 are switched in and the resistors R4 and R2 are not switched in, two selection input ends B, A of the 74LV4052 analog switch circuit input high level.
Since the resistance value of the resistor is selected and the access mode is matched in various ways, the details are not repeated here, but in practical application, the resistor can be selected and a corresponding circuit can be designed as required. Referring to fig. 3, fig. 3 is a schematic diagram of a signal generating circuit in a multi-source output circuit according to an embodiment of the present disclosure. In this embodiment, the resistor of the signal generating circuit may also be a resistor with an adjustable resistance value; for example, in the present embodiment, two variable resistors R1 and R2 connected in parallel and a protection resistor R0 are included, and the variable resistors satisfy that the lowest level of output is equal to or less than the lowest input level of the analog switch circuit and the highest output level is equal to or greater than the highest input level of the analog switch circuit when adjusting the resistors;
when the average of the output levels of the R1 and the R2 is less than the lowest input level of the analog switch circuit, the input of both the two selection input ends of the analog switch circuit is low level;
when the output levels of R1 and R2 are greater than the highest input level of the analog switch circuit, the input of both selection input ends of the analog switch circuit is high level;
when the average of the output levels of the R1 and the R2 is less than the lowest input level of the analog switch circuit, the input of both the two selection input ends of the analog switch circuit is low level;
when the resistance value of R1 is larger than R2, two selection input ends A and B of the analog switch circuit respectively input a high level and a low level;
when the resistance value of R1 is smaller than R2, the two selection input terminals a and B of the analog switch circuit input a low level and a high level, respectively.
In practical applications, the above conditions and the input voltage requirements of the analog switch circuit can be satisfied.
In this embodiment, different high and low level signals are output by a simple circuit structure, and the level signals are sent to the 74LV4052 analog switch circuit to control the on/off of the load circuit.
As shown in fig. 2, in one embodiment of the present application, the power input circuit includes four: IC1, IC2, IC3, and IC4, further, the power input circuit may be a circuit including a voltage conversion circuit (chip), and accordingly a VCC1 power supply, a VCC2 power supply, a VCC3 power supply, and a VCC4 power supply may be obtained, respectively;
1) when the power supply of VCC1 is needed, the power supply of VCC1 is obtained by connecting resistors R3 and R4, not connecting resistors R1 and R2, namely the control end of B, A of the control IC is all inputted with low level, at this time, the channel 1Z-1Y0 is conducted (2Z-2Y0 is also conducted, not used here), and the power supply of VCC1 is obtained by the common terminal CN.
2) When the power supply of the VCC2 is needed, the power supply of the VCC2 is obtained by connecting the resistors R3 and R2, and not connecting the resistors R1 and R4, namely when the control end of the B, A of the control IC inputs low level and high level respectively, at the moment, 1Z-1Y1(2Z-2Y1 is also conducted, and is not used here), and the common terminal CN.
3) When the power supply of the VCC3 is needed, the power supply of the VCC3 is obtained by connecting the resistors R1 and R4, and not connecting the resistors R3 and R2, namely when the control end of the B, A of the control IC inputs a high level and a low level respectively, at this time, 1Z-1Y2(2Z-2Y2 is also conducted, and is not used here), and the common terminal CN.
4) When the power supply of the VCC4 is needed, the power supply of the VCC4 is obtained by connecting the resistors R3 and R1 and not connecting the resistors R4 and R2, namely when the control end of B, A of the control IC inputs high level, at the moment, 1Z-1Y3(2Z-2Y3 is also conducted, and is not used here), and the power supply of the VCC4 is obtained by the common terminal CN; the GND ground is the output power supply common ground.
In one embodiment of the present application, IC1, IC2, IC3, and IC4 correspond to a voltage conversion circuit including a 7812 voltage conversion chip, a voltage conversion circuit including a 7805 voltage conversion chip, a voltage conversion circuit including an AMS1117-3.3 voltage conversion chip, and a voltage conversion circuit including an AMS1117-1.8 voltage conversion chip, respectively, and satisfy the following conditions:
when the selection input ends of the 74LV4052 analog switch circuit input low level, the 74LV4052 analog switch circuit conducts a circuit output by the 7812 voltage conversion chip;
when the selection input end of the 74LV4052 analog switch circuit inputs a low level and a high level respectively, the 74LV4052 analog switch circuit conducts a circuit output by the 7805 voltage conversion chip;
when the selection input end of the 74LV4052 analog switch circuit inputs a high level and a low level respectively, the 74LV4052 analog switch circuit conducts a circuit output by the AMS1117-3.3 voltage conversion chip;
when the selection input ends of the 74LV4052 analog switch circuit input high level, the 74LV4052 analog switch circuit conducts the circuit output by the AMS1117-1.8 voltage conversion chip.
In the above embodiment, the voltage of the voltage conversion circuit including the 7812 voltage conversion chip input to the analog control switch is 12V; the voltage of the voltage conversion circuit input analog control switch comprising a 7805 voltage conversion chip is 5V; the voltage of the input analog control switch of the voltage conversion circuit comprising the AMS1117-3.3 voltage conversion chip is 3.3V; the voltage of the input analog control switch of the voltage conversion circuit comprising the AMS1117-1.8 voltage conversion chip is 1.8V. The connection relationship and the control relationship among the control signal, the power input circuit, and the analog control switch are preferred embodiments in the present application.
In an embodiment of the present application, a standby power supply access terminal may be further provided for accessing a standby power supply so as to adapt to and be compatible with various scenes, for example, situations that the commercial power supply cannot be connected such as field work.
In an embodiment of the present application, the apparatus may further include an audible and visual indication unit for indicating the on-off state of the signal generation circuit and the load circuit, and the audible and visual indication unit may be a light emitting diode, an electronic display screen, or the like; particularly, when the on-off state of the indicating signal generating circuit and the load circuit is indicated, the input end of the acousto-optic indicating unit is connected with one end of the resistor R2 connected with the resistor R4.
It should be noted that, the present embodiment includes, but is not limited to, the above components and voltage conversion circuits (chips), and the application does not limit what type of devices and chips are used, and the devices and chips are selected according to the requirements in practical application. The technical solutions belonging to the same idea as the present application should be included in the scope of protection of the present application.
The multi-source output circuit provided by the embodiment has a simple circuit structure, can select proper load voltage to output according to needs, and does not need to design and set an additional power supply; the power supply can supply power to different chips according to different supply voltages provided by requirements, and the power supply arrangement cost and the maintenance difficulty are reduced.
In an embodiment of the present application, the signal generating circuit may also be a signal generator such as a computer or a single chip microcomputer.
The embodiment of the application also provides a single-ended multi-source output power supply, which comprises a shell, a mainboard and the multi-source output circuit. The specific implementation is the same as the multi-source output circuit, and is not described again.
As described above, only the specific embodiments of the present application are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application.
Claims (12)
1. A multi-source output circuit, comprising: a plurality of power input circuits, a signal generating circuit and an analog switch circuit;
the power supply input circuit is used for providing load voltage required by a load;
the signal generating circuit is used for generating different control signals and sending the control signals to the analog switch circuit;
and the analog switch circuit is configured to conduct the corresponding power input circuit to be connected with a load according to the control signal.
2. The multi-source output circuit of claim 1, wherein the signal generating device comprises a plurality of resistors and a controller configured to selectively turn on the plurality of resistors to generate the different control signals.
3. The multi-source output circuit of claim 2, wherein the signal generation circuit comprises:
the circuit comprises a power supply Vcc, a plurality of controllers, a plurality of resistors, two output ends A and B and a ground end GND;
the power supply Vcc is used for providing electric energy required by the operation of the signal generating circuit;
the controller is used for controlling the on-off of a circuit of the access resistor so as to generate a control signal;
the output end is used for outputting the control signal to two input ends of the analog switch circuit.
4. The multi-source output circuit of claim 3, comprising: the signal generating circuit comprises four resistors R1, R2, R3 and R4, and the four resistors R1, R2, R3 and R4 are constant-value resistors with the same resistance; or, the signal generating circuit comprises four resistors R1, R2, R3 and R4, and the four resistors R1, R2, R3 and R4 are fixed-value resistors with different resistance values.
5. The multi-source output circuit of claim 3, comprising: the signal generating circuit comprises four resistors R1, R2, R3 and R4, and the four resistors R1, R2, R3 and R4 are resistors with adjustable resistance values.
6. The multi-source output circuit of claim 1, wherein the analog switch circuit is a 74LV4052 analog switch circuit.
7. The multi-source output circuit of claim 1, comprising:
the power input circuits are four, and the four power input circuits are respectively as follows: 7812 voltage conversion chip input circuit, 7805 voltage conversion chip input circuit, AMS1117-3.3 voltage conversion chip input circuit and AMS1117-1.8 voltage conversion chip input circuit.
8. The multi-source output circuit of claim 1, wherein the signal generating circuit is a single chip.
9. The multi-source output circuit of claim 1, further comprising:
and the rectification filter circuit is used for rectifying and filtering the commercial power when the multi-source output circuit is connected to the commercial power and transmitting the electric energy after rectification and filtering to the power input circuit.
10. The multi-source output circuit of claim 1, further comprising:
the standby power supply input circuit is provided with a standby power supply access end and is used for accessing a standby power supply and supplying power to the power supply input circuit.
11. The multi-source output circuit of claim 3, wherein the signal generation circuit further comprises:
and the acousto-optic indicating unit is used for indicating the on-off state of the signal generating circuit and the load.
12. The utility model provides a multisource output power supply, includes shell and mainboard, its characterized in that: the multi-source output power supply comprises the multi-source output circuit of any one of claims 1 to 11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110259957.8A CN113162443A (en) | 2021-03-10 | 2021-03-10 | Multi-source output circuit and power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110259957.8A CN113162443A (en) | 2021-03-10 | 2021-03-10 | Multi-source output circuit and power supply |
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| CN113162443A true CN113162443A (en) | 2021-07-23 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308482A (en) * | 2008-07-15 | 2008-11-19 | 华硕电脑股份有限公司 | Electronic device for switching host and element |
| US20150091457A1 (en) * | 2013-10-01 | 2015-04-02 | General Electric Company | Single-stage ac-dc power converter with flyback pfc and selectable dual output current |
| CN109143032A (en) * | 2018-09-03 | 2019-01-04 | 苏州华兴源创科技股份有限公司 | A kind of circuit board self-check system |
| CN111007297A (en) * | 2019-11-15 | 2020-04-14 | 积成电子股份有限公司 | Multi-loop voltage distribution and selection circuit and implementation method thereof |
| CN211791228U (en) * | 2020-03-31 | 2020-10-27 | Tcl空调器(中山)有限公司 | Multi-power output circuit and device |
-
2021
- 2021-03-10 CN CN202110259957.8A patent/CN113162443A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308482A (en) * | 2008-07-15 | 2008-11-19 | 华硕电脑股份有限公司 | Electronic device for switching host and element |
| US20150091457A1 (en) * | 2013-10-01 | 2015-04-02 | General Electric Company | Single-stage ac-dc power converter with flyback pfc and selectable dual output current |
| CN109143032A (en) * | 2018-09-03 | 2019-01-04 | 苏州华兴源创科技股份有限公司 | A kind of circuit board self-check system |
| CN111007297A (en) * | 2019-11-15 | 2020-04-14 | 积成电子股份有限公司 | Multi-loop voltage distribution and selection circuit and implementation method thereof |
| CN211791228U (en) * | 2020-03-31 | 2020-10-27 | Tcl空调器(中山)有限公司 | Multi-power output circuit and device |
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Application publication date: 20210723 |
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| RJ01 | Rejection of invention patent application after publication |