CN205427499U - Power converter and control system based on printed circuit board takes wiFi control - Google Patents
Power converter and control system based on printed circuit board takes wiFi control Download PDFInfo
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- CN205427499U CN205427499U CN201620201485.5U CN201620201485U CN205427499U CN 205427499 U CN205427499 U CN 205427499U CN 201620201485 U CN201620201485 U CN 201620201485U CN 205427499 U CN205427499 U CN 205427499U
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Abstract
The utility model relates to a power converter and control system based on printed circuit board takes wiFi control, power converter includes casing and printed circuit board, printed circuit board fixes in the casing, the last power connecting seat that is equipped with of printed circuit board, at least one power source and wiFi control circuit, power connecting seat passes through the power cord and is connected with external power source, power switching circuit has been laid on printed circuit board, and power switching circuit is connected with power connecting seat and wiFi control circuit respectively, every power source all is connected with power switching circuit. The utility model discloses a power converter and control system based on printed circuit board takes wiFi control, simple process, the quality is reliable, both can provide domestic appliance power source, also can control by provision of electronic product WIFI, and is small, and intelligent environmental protection is energy -efficient.
Description
Technical field
This utility model relates to power technique fields, particularly relates to a kind of power supply changeover device controlled based on printed circuit strip WiFi and control system.
Background technology
Along with improving constantly of people's living standard, the requirement of quality of life is improved constantly by people, and convenient and swift is the target of the eternal pursuit of people.In terms of household amusement and electrical equipment control, Smart Home has outstanding behaviours, including background music system, digital network parlor, home generic cabling, signal light control and electrical equipment control etc., the system including function, makes the life of people become safer, comfortable, simple in all its bearings.In the market, the main crowd of acceptance of Smart Home remains a part of high-end crowd.Insider thinks, that obstructs Smart Home development step is mainly reason of both price and consumption concept.Smart Home still belongs to top-grade consumption, and set of system wants several ten thousand yuan.Although acceptance and degree of recognition be much improved, but still be mainly limited to the young white collar clan buying the high-end crowd of villa and love life, enjoying life.But in recent years, the popularization degree of Smart Home the most slowly improves, along with external of the same trade product constantly pours in China, and with the intensified competition of domestic Smart Home industry, be objectively gradually increased propaganda strength, and produced complementation.The Smart Home of China should walk the route that quality is laid equal stress on service from now on, and following Smart Home development prospect is wide.An investigation display according to Organization for International Economic Cooperation, the energy that various countries consume because electrical appliance is standby accounts for the 3%～13% of energy consumption sum.China's average standby energy consumption of urban family electrical appliance has accounted for about the 10% of family's total energy consumption at present, is equivalent to each family and uses " altar lamp " of a 15-30W.Standby energy consumption, as a stealthy blood sucker, defines huge environmental protection pressure while the waste energy.Various electrical equipment energy-conservation imperative, is the requirement of energy-conserving and environment-protective, and household electrical appliance be difficult to convenient life and energy-conservation both combine, people in the face of convenient comfortable life and energy-conservation time, will also tend to select the former.The appearance of Internet of Things, compensate for the deficiency of above-mentioned situation.Internet of Things, as a kind of emerging technology and concept, suffers from the most wide application and incomparable advantage in all trades and professions.Internet of Things can be supplied to the environment of a kind of general fit calculation of user, serves user unconsciously so that it is obtains good Consumer's Experience.Utilize the characteristics such as Internet of Things complete perception, reliable delivery and Intelligent treatment, can be the facility that the life offer of people is the biggest.WiFi smart jack is through what Internet of Things establishment was got up, can be prevented effectively from again the standby power consumption of household electrical appliance offering convenience for people's life simultaneously, but the most common WiFi smart jack exists again structure complexity, and manufacturing cost crosses the problems such as height.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, it is provided that a kind of power supply changeover device controlled based on printed circuit strip WiFi and control system.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of power supply changeover device controlled based on printed circuit strip WiFi, including housing and printed circuit board, described printed circuit board is fixed in described housing, described printed circuit board is provided with electrical power connection block, at least one power interface and WiFi control circuit, described electrical power connection block is connected with external power source by power line, described printed circuit board is laid with power-switching circuit, and described power-switching circuit is connected with described electrical power connection block and WiFi control circuit respectively, each described power interface is all connected with described power-switching circuit.
Wherein, described WiFi control circuit includes the first voltage conversion circuit, second voltage conversion circuit, MCU, control relay circuit, feedback circuit and WiFi module, described first voltage conversion circuit is connected with described power-switching circuit, described first voltage conversion circuit is connected with described second voltage conversion circuit and control relay circuit the most respectively, described second voltage conversion circuit respectively with described MCU, feedback circuit and WiFi module connect, described control relay circuit and WiFi module are all connected with described MCU, described control relay circuit is also by described feedback circuit and described MCU feedback link.
The beneficial effects of the utility model are: a kind of power supply changeover device controlled based on printed circuit strip WiFi of the present utility model, and technique is simple, reliable in quality, both Domestic electric appliances power source interface can be provided, it is also possible to providing electronic product WIFI to control, volume is little, intelligent environment protection, energy-efficient.
On the basis of technique scheme, this utility model can also do and improve as follows:
Further: described first voltage conversion circuit includes an EMC circuit, circuit of synchronous rectification, PFM/PWM control circuit and filter circuit in sequential series, the external civil power of input of a described EMC circuit, the outfan of described filter circuit is connected with the input of described second voltage conversion circuit.
Above-mentioned further scheme provides the benefit that: by described first voltage conversion circuit, outside civil power can be converted into 5V, and provide 5V voltage for described second voltage conversion circuit and described control relay circuit.
Further: described second voltage conversion circuit includes electric capacity C1, electric capacity C3, electric capacity C5, electric capacity C6 and voltage conversion chip U1, No. 1 pin ground connection of described voltage conversion chip U1, No. 2 are connected between pin with ground and have described electric capacity C6, No. 2 are parallel with described electric capacity C1 and electric capacity C3 between pin and ground, and No. 2 pins are connected with described MCU, feedback circuit and WiFi module respectively, No. 3 are connected between pin with ground and have described electric capacity C5, and No. 3 pins are connected with the outfan of described filter circuit.
Above-mentioned further scheme provides the benefit that: the 5V photovoltaic conversion that can be exported by described first voltage conversion circuit by described second voltage conversion circuit be 3.3V, and provides power supply for described MCU, feedback circuit and WiFi module.
Further: described MCU uses model to be the microcontroller chip of STM8S003SSOP20.
Above-mentioned further scheme provides the benefit that: controls described control relay circuit by described MCU and can realize being controlled the break-make of multiple described power interfaces, and controls described WiFi control module transmitting WiFi signal and normally work.
Further: described control relay circuit includes resistance R10, audion Q1, diode D1 and relay K 1, the base stage of described audion Q1 is connected with described MCU by described resistance R10, the colelctor electrode of described audion Q1 is connected with coil one end of described relay K 1, the colelctor electrode of described audion Q1 also positive pole with described diode D1 is connected, the negative pole of described diode D1 is connected with the outfan of described filter circuit, the grounded emitter of described audion Q1, the other end of the coil of described relay K 1 is connected with the outfan of described filter circuit, the armature contact of described relay K 1 is connected with one end of described power interface, normally opened contact is connected with the other end of described power interface.
Above-mentioned further scheme provides the benefit that: can realize being controlled the break-make of described power interface by described control relay circuit, is conveniently remotely controlled described power interface by external equipment.
Further: described feedback circuit includes light emitting diode D3, resistance R5, resistance R6 and electric capacity C2, the negative pole of described light emitting diode D3 is connected with the colelctor electrode of described audion Q1, the positive pole of described light emitting diode D3 is connected with the outfan of described second voltage conversion circuit by described resistance R5, the positive pole of described light emitting diode D3 is connected to ground by described resistance R6 in sequential series and electric capacity C2, and the common port of described resistance R6 and electric capacity C2 is connected with described MCU.
Above-mentioned further scheme provides the benefit that: can be detected the real-time status of described control relay circuit in real time by described feedback circuit, and described control relay circuit is carried out feedback control, the break-make realizing described power interface controls, and improves the usage safety performance of whole power supply changeover device.
Further: described WiFi module includes WiFi chip U2, LED 1, switch SW1, resistance R1 and resistance R2, No. 2 pins of described WiFi chip U2 are connected with the outfan of described second voltage conversion circuit, No. 3 pin ground connection, No. 4 pins are connected with the positive pole of described LED 1 by described resistance R1, the minus earth of described LED 1, No. 5 pins are by described resistance R2 ground connection, No. 5 pins are connected also by the outfan of described switch with described second voltage conversion circuit, No. 6 pins are connected with No. 2 pins of described MCU, No. 7 pins are connected with No. 3 pins of described MCU.
Above-mentioned further scheme provides the benefit that: described WiFi module can be launched WiFi signal and provide network signal for external equipment, the indoor uniform all standing of WiFi signal can be realized by multiple described power supply changeover devices, very convenient, without the most separately putting routing device, reduce cost, decrease the space of duty.
Further: described power-switching circuit includes overload protecting circuit, thermal-shutdown circuit, the 2nd EMC circuit, lightning-protection surge protection circuit, lightning-protection surge indicating circuit and ground connection mistake indicating circuit; described load protection circuit is connected with described electrical power connection block; described overload protecting circuit, the 2nd EMC circuit and thermal-shutdown circuit are in sequential series, and described lightning-protection surge protection circuit, lightning-protection surge indicating circuit, ground connection mistake indicating circuit, power interface and WiFi control circuit are all connected with described thermal-shutdown circuit.
Above-mentioned further scheme provides the benefit that: can realize the overload of whole power supply changeover device, excess temperature, lightning protection, surging prevention by described power-switching circuit, and remind user when circuit breaks down, improve the security performance of power supply changeover device.
Further: described power interface is welded on described printed circuit board by copper plug.
Above-mentioned further scheme provides the benefit that: can be switched on power by described copper plug by household electrical appliance eaily by the way, and often, service life is long, simple in construction, with low cost in plug, and makes electrical contact with stable.
This utility model additionally provides a kind of power supply changeover device control system controlled based on printed circuit strip WiFi, including at least one intelligent terminal and described a kind of power supply changeover device controlled based on printed circuit strip WiFi, described intelligent terminal passes through WiFi signal wireless connections with the WiFi module of described power supply changeover device.
Accompanying drawing explanation
Fig. 1 is a kind of power converter structure schematic diagram controlled based on printed circuit strip WiFi of the present utility model；
Fig. 2 is WiFi control circuit structural representation in a kind of power supply changeover device based on the control of printed circuit strip WiFi of the present utility model；
Fig. 3 is the second voltage conversion circuit figure in a kind of power supply changeover device based on the control of printed circuit strip WiFi of the present utility model；
Fig. 4 is a kind of power supply changeover device repeat circuit control circuit figure controlled based on printed circuit strip WiFi of the present utility model；
Fig. 5 is feedback circuit figure in a kind of power supply changeover device based on the control of printed circuit strip WiFi of the present utility model；
Fig. 6 is WiFi module circuit diagram in a kind of power supply changeover device based on the control of printed circuit strip WiFi of the present utility model；
Fig. 7 is a kind of power supply changeover device Control system architecture schematic diagram controlled based on printed circuit strip WiFi of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1100, electrical power connection block, 1200, overload protecting circuit, 1300, thermal-shutdown circuit; 1400, the 2nd EMC circuit, 1500, lightning-protection surge protection circuit, 1600, lightning-protection surge indicating circuit; 1700, ground connection mistake indicating circuit, 1800, power interface, 1900, WiFi control circuit; 1910, the first voltage conversion circuit; 1920, the second voltage conversion circuit, 1930, MCU, 1940, control relay circuit; 1950, feedback circuit, 1960, WiFi module.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of power converter structure schematic diagram controlled based on printed circuit strip WiFi, including housing and printed circuit board, described printed circuit board is fixed in described housing, described printed circuit board is provided with electrical power connection block 1100, at least one power interface 1800 and WiFi control circuit 1900, described electrical power connection block 1100 is connected with external power source by power line, described printed circuit board is laid with power-switching circuit, and described power-switching circuit is connected with described electrical power connection block 1100 and WiFi control circuit 1900 respectively, each described power interface 1800 is all connected with described power-switching circuit.
nullWherein，As shown in Figure 2，Described WiFi control circuit 1900 includes the first voltage conversion circuit 1910、Second voltage conversion circuit 1920、MCU1930、Control relay circuit 1940、Feedback circuit 1950 and WiFi module 1960，Described first voltage conversion circuit 1910 is connected with described power-switching circuit，Described first voltage conversion circuit 1910 is connected with described second voltage conversion circuit 1920 and control relay circuit 1940 the most respectively，Described second voltage conversion circuit 1920 respectively with described MCU1930、Feedback circuit 1950 and WiFi module 1960 connect，Described control relay circuit 1940 and WiFi module 1960 are all connected with described MCU1930，Described control relay circuit 1940 is also by described feedback circuit 1950 and described MCU1930 feedback link.
In the present embodiment, described first voltage conversion circuit 1910 includes an EMC circuit, circuit of synchronous rectification, PFM/PWM control circuit and filter circuit in sequential series, the external civil power of input of a described EMC circuit, the outfan of described filter circuit is connected with the input of described second voltage conversion circuit 1920.Outside civil power can be converted into 5V by described first voltage conversion circuit 1910, and provide 5V voltage for described second voltage conversion circuit 1920 and described control relay circuit 1940.
As shown in Figure 3, in the present embodiment, described second voltage conversion circuit 1920 includes electric capacity C1, electric capacity C3, electric capacity C5, electric capacity C6 and voltage conversion chip U1, No. 1 pin ground connection of described voltage conversion chip U1, No. 2 are connected between pin with ground and have described electric capacity C6, No. 2 are parallel with described electric capacity C1 and electric capacity C3 between pin and ground, and No. 2 pins are connected with described MCU1930, feedback circuit 1950 and WiFi module 1960 respectively, No. 3 are connected between pin with ground and have described electric capacity C5, and No. 3 pins are connected with the outfan of described filter circuit.The 5V photovoltaic conversion that can be exported by described first voltage conversion circuit 1910 by described second voltage conversion circuit 1920 is 3.3V, and provides power supply for described MCU1930, feedback circuit 1950 and WiFi module 1960.
Preferably, described voltage conversion chip U1 uses model to be the voltage conversion chip of LM1117.
Preferably, described MCU1930 uses model to be the microcontroller chip of STM8S003SSOP20.Control described control relay circuit 1940 by described MCU1930 can realize the break-make of multiple described power interfaces 1800 is controlled, and control described WiFi control module 1960 and launch WiFi signal and normally work.
As shown in Figure 4, in the present embodiment, described control relay circuit 1940 includes resistance R10, audion Q1, diode D1 and relay K 1, the base stage of described audion Q1 is connected with described MCU by described resistance R10, the colelctor electrode of described audion Q1 is connected with coil one end of described relay K 1, the colelctor electrode of described audion Q1 also positive pole with described diode D1 is connected, the negative pole of described diode D1 is connected with the outfan of described filter circuit, the grounded emitter of described audion Q1, the other end of the coil of described relay K 1 is connected with the outfan of described filter circuit, the armature contact of described relay K 1 is connected with one end of described power interface 1800, normally opened contact is connected with the other end of described power interface 1800.Can realize the break-make of described power interface 1800 is controlled by described control relay circuit 1940, conveniently by external equipment, described power interface 1800 remotely be controlled.
As shown in Figure 5, in the present embodiment, described feedback circuit 1950 includes light emitting diode D3, resistance R5, resistance R6 and electric capacity C2, the negative pole of described light emitting diode D3 is connected with the colelctor electrode of described audion Q1, the positive pole of described light emitting diode D3 is connected with the outfan of described second voltage conversion circuit 1920 by described resistance R5, the positive pole of described light emitting diode D3 is connected to ground by described resistance R6 in sequential series and electric capacity C2, and the common port of described resistance R6 and electric capacity C2 is connected with described MCU.The real-time status of described control relay circuit 1940 can be detected in real time by described feedback circuit 1950, and described control relay circuit 1940 is carried out feedback control, the break-make realizing described power interface 1800 controls, and improves the usage safety performance of whole power supply changeover device.
It is pointed out that described feedback circuit 1950 both can be as the feedback circuit of the actuating of relay, it is also possible to the energising instruction of power interface 1800；When relay closes, light emitting diode D3 is bright；When relay disconnects, light emitting diode D3 goes out.
As shown in Figure 6, in the present embodiment, described WiFi module 1960 includes WiFi chip U2, LED 1, switch SW1, resistance R1 and resistance R2, No. 2 pins of described WiFi chip U2 are connected with the outfan of described second voltage conversion circuit 1920, No. 3 pin ground connection, No. 4 pins are connected with the positive pole of described LED 1 by described resistance R1, the minus earth of described LED 1, No. 5 pins are by described resistance R2 ground connection, No. 5 pins are connected also by the outfan of described switch with described second voltage conversion circuit 1920, No. 6 pins are connected with No. 2 pins of described MCU, No. 7 pins are connected with No. 3 pins of described MCU.Described WiFi module 1960 can be launched WiFi signal and provide network signal for external equipment, the indoor uniform all standing of WiFi signal can be realized by multiple described power supply changeover devices, very convenient, it is not necessary to the most separately to put routing device, reduce cost, decrease the space of duty.Here, described WiFi chip U2 uses model to be the chip of WT8266.Here, described LED 1 is for indicating pattern and the connection status of WiFi, and switch SW1 is used for arranging WiFi pattern.
Preferably, described power-switching circuit includes overload protecting circuit 1200, thermal-shutdown circuit 1300, 2nd EMC circuit 1400, lightning-protection surge protection circuit 1500, lightning-protection surge indicating circuit 1600 and ground connection mistake indicating circuit 1700, described load protection circuit 1200 is connected with described electrical power connection block 1100, described overload protecting circuit 1200, 2nd EMC circuit 1400 and thermal-shutdown circuit 1300 are in sequential series, described lightning-protection surge protection circuit 1500, lightning-protection surge indicating circuit 1600, ground connection mistake indicating circuit 1700, power interface 1800 and WiFi control circuit 1900 is all connected with described thermal-shutdown circuit 1300.The overload of whole power supply changeover device, excess temperature, lightning protection, surging prevention can be realized by described power-switching circuit, and remind user when circuit breaks down, improve the security performance of power supply changeover device.
Preferably, described power interface 1800 is welded on described printed circuit board by copper plug.Can be switched on power by described copper plug by household electrical appliance eaily by the way, often, service life is long, simple in construction, with low cost in plug, and makes electrical contact with stable.
As shown in Figure 7, this utility model additionally provides a kind of power supply changeover device control system controlled based on printed circuit strip WiFi, including at least one intelligent terminal and described a kind of power supply changeover device controlled based on printed circuit strip WiFi, described intelligent terminal passes through WiFi signal wireless connections with the WiFi module of described power supply changeover device.
Here, described intelligent terminal is the interactive device that smart mobile phone, panel computer, PC etc. have WiFi signal transfer function.
A kind of power supply changeover device controlled based on printed circuit strip WiFi of the present utility model and control system thereof, technique is simple, reliable in quality, both Domestic electric appliances power source interface can be provided, it is also possible to providing electronic product WIFI to control, volume is little, intelligent environment protection, energy-efficient.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. the power supply changeover device controlled based on printed circuit strip WiFi, it is characterized in that: include housing and printed circuit board, described printed circuit board is fixed in described housing, described printed circuit board is provided with electrical power connection block (1100), at least one power interface (1800) and WiFi control circuit (1900), described electrical power connection block (1100) is connected with external power source by power line, described printed circuit board is laid with power-switching circuit, and described power-switching circuit is connected with described electrical power connection block (1100) and WiFi control circuit (1900) respectively, each described power interface (1800) is all connected with described power-switching circuit；
nullDescribed WiFi control circuit (1900) includes the first voltage conversion circuit (1910)、Second voltage conversion circuit (1920)、MCU(1930)、Control relay circuit (1940)、Feedback circuit (1950) and WiFi module (1960)，Described first voltage conversion circuit (1910) is connected with described power-switching circuit，Described first voltage conversion circuit (1910) is connected with described second voltage conversion circuit (1920) and control relay circuit (1940) the most respectively，Described second voltage conversion circuit (1920) respectively with described MCU (1930)、Feedback circuit (1950) and WiFi module (1960) connect，Described control relay circuit (1940) and WiFi module (1960) are all connected with described MCU (1930)，Described control relay circuit (1940) is also by described feedback circuit (1950) and described MCU (1930) feedback link.
A kind of power supply changeover device controlled based on printed circuit strip WiFi, it is characterized in that: described first voltage conversion circuit (1910) includes an EMC circuit, circuit of synchronous rectification, PFM/PWM control circuit and filter circuit in sequential series, the external civil power of input of a described EMC circuit, the outfan of described filter circuit is connected with the input of described second voltage conversion circuit (1920).
A kind of power supply changeover device controlled based on printed circuit strip WiFi, it is characterized in that: described second voltage conversion circuit (1920) includes electric capacity C1, electric capacity C3, electric capacity C5, electric capacity C6 and voltage conversion chip U1, No. 1 pin ground connection of described voltage conversion chip U1, No. 2 are connected between pin with ground and have described electric capacity C6, No. 2 are parallel with described electric capacity C1 and electric capacity C3 between pin and ground, and No. 2 pins respectively with described MCU (1930), feedback circuit (1950) and WiFi module (1960) connect, No. 3 are connected between pin with ground and have described electric capacity C5, and No. 3 pins are connected with the outfan of described filter circuit.
A kind of power supply changeover device controlled based on printed circuit strip WiFi, it is characterised in that: described MCU (1930) uses model to be the microcontroller chip of STM8S003SSOP20.
nullA kind of power supply changeover device controlled based on printed circuit strip WiFi，It is characterized in that: described control relay circuit (1940) includes resistance R10、Audion Q1、Diode D1 and relay K 1，The base stage of described audion Q1 is connected with described MCU by described resistance R10，The colelctor electrode of described audion Q1 is connected with coil one end of described relay K 1，The colelctor electrode of described audion Q1 also positive pole with described diode D1 is connected，The negative pole of described diode D1 is connected with the outfan of described filter circuit，The grounded emitter of described audion Q1，The other end of the coil of described relay K 1 is connected with the outfan of described filter circuit，The armature contact of described relay K 1 is connected with one end of described power interface (1800)，Normally opened contact is connected with the other end of described power interface (1800).
A kind of power supply changeover device controlled based on printed circuit strip WiFi, it is characterized in that: described feedback circuit (1950) includes light emitting diode D3, resistance R5, resistance R6 and electric capacity C2, the negative pole of described light emitting diode D3 is connected with the colelctor electrode of described audion Q1, the positive pole of described light emitting diode D3 is connected with the outfan of described second voltage conversion circuit (1920) by described resistance R5, the positive pole of described light emitting diode D3 is connected to ground also by described resistance R6 in sequential series and electric capacity C2, and the common port of described resistance R6 and electric capacity C2 is connected with described MCU.
nullA kind of power supply changeover device controlled based on printed circuit strip WiFi，It is characterized in that: described WiFi module (1960) includes WiFi chip U2、LED 1、Switch SW1、Resistance R1 and resistance R2，No. 2 pins of described WiFi chip U2 are connected with the outfan of described second voltage conversion circuit (1920)，No. 3 pin ground connection，No. 4 pins are connected with the positive pole of described LED 1 by described resistance R1，The minus earth of described LED 1，No. 5 pins are by described resistance R2 ground connection，No. 5 pins are connected also by the outfan of described switch with described second voltage conversion circuit (1920)，No. 6 pins are connected with No. 2 pins of described MCU，No. 7 pins are connected with No. 3 pins of described MCU.
null8. according to the power supply changeover device controlled based on printed circuit strip WiFi a kind of described in any one of claim 1 to 7，It is characterized in that: described power-switching circuit includes overload protecting circuit (1200)、Thermal-shutdown circuit (1300)、2nd EMC circuit (1400)、Lightning-protection surge protection circuit (1500)、Lightning-protection surge indicating circuit (1600) and ground connection mistake indicating circuit (1700)，Described load protection circuit (1200) is connected with described electrical power connection block (1100)，Described overload protecting circuit (1200)、2nd EMC circuit (1400) and thermal-shutdown circuit (1300) are in sequential series，Described lightning-protection surge protection circuit (1500)、Lightning-protection surge indicating circuit (1600)、Ground connection mistake indicating circuit (1700)、Power interface (1800) and WiFi control circuit (1900) are all connected with described thermal-shutdown circuit (1300).
9. according to the power supply changeover device controlled based on printed circuit strip WiFi a kind of described in any one of claim 1 to 7, it is characterised in that: described power interface (1800) is welded on described printed circuit board by copper plug.
10. the power supply changeover device control system controlled based on printed circuit strip WiFi, it is characterized in that: including at least one intelligent terminal and a kind of power supply changeover device controlled based on printed circuit strip WiFi as described in any one of claim 1-9, described intelligent terminal passes through WiFi signal wireless connections with the WiFi module of described power supply changeover device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620201485.5U CN205427499U (en) | 2016-03-16 | 2016-03-16 | Power converter and control system based on printed circuit board takes wiFi control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620201485.5U CN205427499U (en) | 2016-03-16 | 2016-03-16 | Power converter and control system based on printed circuit board takes wiFi control |
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| Publication Number | Publication Date |
|---|---|
| CN205427499U true CN205427499U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620201485.5U Expired - Fee Related CN205427499U (en) | 2016-03-16 | 2016-03-16 | Power converter and control system based on printed circuit board takes wiFi control |
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| CN (1) | CN205427499U (en) |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160803 Termination date: 20170316 |