CN206919129U - A kind of adjustable switching mode room thermostat of power supply - Google Patents

A kind of adjustable switching mode room thermostat of power supply Download PDF

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Publication number
CN206919129U
CN206919129U CN201720568941.4U CN201720568941U CN206919129U CN 206919129 U CN206919129 U CN 206919129U CN 201720568941 U CN201720568941 U CN 201720568941U CN 206919129 U CN206919129 U CN 206919129U
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China
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circuit
state
voltage
modular converter
power
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Chinese (zh)
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齐成勇
吴向东
余粉英
高蒙
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Hebei Gongda Goyatek Energy Polytron Technologies Inc
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Hebei Gongda Goyatek Energy Polytron Technologies Inc
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Abstract

The utility model discloses a kind of adjustable switching mode room thermostat of power supply, including temperature control mainboard, light wiring terminal, switch mainboard, MCU chip, wireless module, low power testing module, lamp switch module and electricity memory module;It is characterized in that the controller also includes ON state list fire power taking modular converter and OFF state list fire power taking modular converter;The ON state list fire power taking modular converter and OFF state list fire power taking modular converter are connected on switch mainboard;The ON state list fire power taking modular converter and OFF state list fire power taking modular converter are connected by switching mainboard with electricity memory module.The controller passes through the ON state single live wire power getting modular converter and OFF state single live wire power getting modular converter that are designed for power-supply circuit, output voltage is adjustable in 3.3V 3.6V scopes, regulation can be powered in real time when output voltage declines, so as to improve the short limitation of data transmission distance.

Description

A kind of adjustable switching mode room thermostat of power supply
Technical field
Heating energy-saving remote monitor supervision area is the utility model is related to, specifically a kind of adjustable switching mode room temperature control of power supply Device, intelligent control and data message remote transmission for heating energy-saving.
Background technology
Winter northern area uses the mode of central heating to provide the indoor temperature ensured needed for life for resident family.In recent years With the increase of city dweller's house amount, while the atmosphere pollution triggered by factors such as heat supply discharges is on the rise, and takes effectively Energy-saving and emission-reduction mode turn into instantly heat work the most important thing.
Heating system uses collective's heating method of extensive style more on present society, in man of resident family to the requirements of room temperature not Effective collection can be obtained and utilized.Resident family can not effectively be closed to heat supply pipeline automatically according to oneself actual conditions simultaneously Close and operated with opening, when causing in resident family without heat supply, equally consume amount of heat, while heat supply company can not be according to resident In existing house actual temperature value come adjust heating amount number, cause the significant wastage of resource.
The installation of existing switching mode room thermostat solve retain heat user former interior decoration it is constant in the case of, Any regulation of the heat user to indoor temperature is realized, thermometric caused by solving the random mobile controller of certain customers is forbidden. Some switching mode room thermostats, using single live wire power getting technology, are controlled using the supply line in former power switch for room temperature Device provides power supply, and the cumbersome of battery is changed when solving heat user dead battery.Though but switching mode room thermostat Single live wire power getting technology is so used, but DC3.3V can only be fixed as the input voltage of wireless temperature acquisition part, causes nothing Voltage maximum when wire module is sent can only provide DC3.0V, when heat user indoor location room thermostat is pacified in piping shaft When filling data sink farther out, wireless module sends brownout and then cannot be guaranteed the reliability of data transfer, it is impossible to protects Card data upload to the reliability of Thermal Corp's monitoring central platform, and existing switching mode room thermostat cannot be guaranteed room temperature number It is believed that the reliable teletransmission of breath, so as to it cannot be guaranteed that correctly instructing heat exchange station or thermal source operating mode to carry out maximum energy-saving control.
Utility model content
In view of the shortcomings of the prior art, the technical problem that the utility model intends to solve is to provide that a kind of power supply is adjustable to be opened Pass type room thermostat.The controller is fiery by the ON state single live wire power getting modular converter and OFF state list designed for power-supply circuit Line power taking modular converter, output voltage is adjustable in 3.3V-3.6V scopes, i.e., it can be powered in real time when output voltage declines Regulation, so as to improve the short limitation of data transmission distance.Output voltage conversion is simultaneously comprising excessively stream, overvoltage, overpower etc. A series of protections and control circuit.
The technical scheme that the utility model solves the technical problem is to provide a kind of adjustable switching mode room temperature control of power supply Device processed, including temperature control mainboard, light wiring terminal, switch mainboard, MCU chip, wireless module, low power testing module, light fixture are opened Close module and electricity memory module;The MCU chip, wireless module and low power testing module are connected on temperature control mainboard;It is described MCU chip is connected with wireless module and low power testing module respectively by temperature control mainboard;The temperature control mainboard connects with switch mainboard Connect;The lamp switch module, electricity memory module and light wiring terminal are connected on switch mainboard;It is characterized in that the control Device processed also includes ON state single live wire power getting modular converter and OFF state list fire power taking modular converter;The ON state single live wire power getting conversion Module and OFF state list fire power taking modular converter are connected on switch mainboard;The ON state single live wire power getting modular converter and OFF state list Fiery power taking modular converter is connected by switching mainboard with electricity memory module;The ON state single live wire power getting modular converter is in light fixture Electric quantity acquisition work is carried out under opening, and is system power supply by the electricity gathered storage into electricity memory module;Institute State OFF state list fire power taking modular converter and electric quantity acquisition work is carried out under light fixture closed mode, and the electricity storage gathered is arrived It is system power supply in electricity memory module.
Compared with prior art, the utility model beneficial effect is:
The controller passes through the ON state single live wire power getting modular converter and OFF state single live wire power getting that are designed for power-supply circuit Modular converter, output voltage is adjustable in 3.3V-3.6V scopes, i.e., it can be powered regulation in real time when output voltage declines, So as to improve the short limitation of data transmission distance;Output voltage conversion is simultaneously a series of comprising excessively stream, overvoltage, overpower etc. Protection and control circuit.
The controller uses single live wire power getting principle, overcomes the drawbacks of controller frequently changes battery;The controller is consolidated Due on wall standard switch, avoiding the phenomenon that user moves controller private;The controller remains the function of original switch Characteristic, controller can directly replace original switch;The controller has wireless communication ability, it is possible to achieve remote control corresponds to valve Door carries out the function of switching manipulation;The controller is furnished with display module and button, it is possible to achieve good human-computer interaction function; The controller is equipped with high precision measuring temperature original paper, it is possible to achieve ambient temperature measurement function;The controller equipped with touch controlled key and Sound-light prompting function.
Brief description of the drawings
Fig. 1 is a kind of inside overall structure backsight of the adjustable embodiment of switching mode room thermostat of the utility model power supply Schematic diagram;
Fig. 2 is a kind of inside overall structure main view of the adjustable embodiment of switching mode room thermostat of the utility model power supply Schematic diagram;
Fig. 3 is that a kind of overall structure main view of the adjustable embodiment of switching mode room thermostat of the utility model power supply is illustrated Figure;
Fig. 4 is that a kind of overall structure backsight of the adjustable embodiment of switching mode room thermostat of the utility model power supply is illustrated Figure;
Fig. 5 is that a kind of overall structure left view of the adjustable embodiment of switching mode room thermostat of the utility model power supply is illustrated Figure;
Fig. 6 is a kind of module connection diagram of embodiment of the adjustable switching mode room thermostat of the utility model power supply;
Fig. 7 is that a kind of fiery power taking of list of embodiment of the adjustable switching mode room thermostat of the utility model power supply and power supply can The principle schematic that conditioning function is realized;(1, protecgulum in figure;2nd, bonnet;3rd, temperature control mainboard;4th, display;5th, temperature control button;6th, lamp Control button;7th, light wiring terminal;8th, antenna;9th, mainboard is switched;10th, temperature sensor;11st, the first air-vent;12nd, install Hole;13rd, the first connector;14th, the second connector;15th, the second air-vent;101st, MCU chip;102nd, wireless module;103rd, it is low Electro-detection module;104th, lamp switch module, 105, ON state single live wire power getting modular converter;106th, electricity memory module;107、 OFF state single live wire power getting modular converter;201st, ON state reduction voltage circuit;202nd, ON state rectification circuit;203rd, LDO mu balanced circuits;204、 Voltage detecting circuit;301st, OFF state rectification circuit;302nd, current sampling circuit;303rd, high frequency transformer;304th, rectified current is exported Road;305th, current feedback circuit is crossed;306th, high-frequency switch circuit;307th, voltage feedback circuit;308th, ON-OFF control circuit)
Embodiment
Specific embodiment of the utility model is given below.Specific embodiment is only used for being further described this practicality newly Type, the application scope of the claims is not limited.
The utility model provides the adjustable switching mode room thermostat of a kind of power supply (referring to Fig. 1-7, abbreviation controller), Including protecgulum 1, bonnet 2, temperature control mainboard 3, display 4, temperature control button 5, lamp control button 6, light wiring terminal 7, antenna 8, open It is ventilative to close mainboard 9, temperature sensor 10, the first air-vent 11, mounting hole 12, the first connector 13, the second connector 14, second Hole 15, MCU chip 101, wireless module 102, low power testing module 103, lamp switch module 104, ON state single live wire power getting turn Change the mold block 105, electricity memory module 106 and OFF state single live wire power getting modular converter 107;
The protecgulum 1 and bonnet 2 snap connection, the main body cover of composition control device;The temperature control mainboard 3 by buckle or Screw is fixed in protecgulum 1, is mainly responsible for collecting temperature, display data, wireless data transmission, temperature setting;The display 4th, temperature control button 5 and lamp control button 6 are welded on temperature control mainboard 3, on the corresponding reserved location of protecgulum 1;Display 4 is used for Show the information such as associated temperature;Lamp control button 6 is touch-key, and user can carry out switch lamp operation at the scene;Temperature control button 5 For mechanical key, design temperature operation and display information inquiry operation are substantially carried out;The first air-vent is provided with the protecgulum 1 11 and second air-vent 15, the first air-vent 11 and the second air-vent 15 are opened on the different face of rectangular parallelepiped structure of protecgulum 1, are made Temperature sensor 10 has a more preferable ventilation effect, and the temperature of measurement is more accurate;Temperature sensor 10 is welded on temperature control mainboard 3 On, installation site carries out ambient temperature measurement work at the first air-vent 11 corresponding to protecgulum 1 and the second air-vent 15, protects The temperature for demonstrate,proving controller measurement is consistent with actual room temperature;
The MCU chip 101, wireless module 102, the connector 13 of low power testing module 103 and first are welded in temperature control master On plate 3;MCU chip 101 by temperature control mainboard 3 respectively with wireless module 102, low power testing module 103, lamp control button 6, temperature Sensor 10, temperature control button 5 and display 4 connect;Low power testing module 103 detects temperature control mainboard 3 to wireless module 102 in real time Supply voltage, when the voltage detected is less than setting value, signal is sent to MCU chip 101 by temperature control mainboard 3;MCU core After the receiving voltage low signal of piece 101, instruction, adjust automatically temperature control mainboard are sent to electricity memory module 106 by switching mainboard 9 3 supply voltage;MCU chip 101 shows low electric reminder flag on display 4 simultaneously, while forbids the logical of wireless module 102 Letter operation prevents the unreliable work of MCU chip 101 when voltage is low to save electricity;MCU chip 101 is read simultaneously in real time The temperature value that storage temperature sensor 10 measures, is on-off controller of the MCU chip 101 by wireless module 102 into pipe well Controlled valve basis for estimation is provided;
The antenna 8 is located in protecgulum 1, and antenna 8 is electrically connected by wireless module 102 with temperature control mainboard 3, MCU chip 101 Antenna 8 is controlled by wireless module 102, antenna 8 has the function of receiving with transmission signal;The switch mainboard 9 passes through screw It is fixed in bonnet 2, control, single live wire power getting conversion and the electricity storage of main responsible light fixture;The lamp switch module 104th, ON state single live wire power getting modular converter 105, electricity memory module 106, OFF state list fire power taking modular converter 107, light fixture connect The connector 14 of line terminals 7 and second is welded on switch mainboard 9;Mainboard 9 is switched to pass through in binding post 7 and original standard switch The electrical wire of lamp in portion is attached the single fiery power taking of progress, while controls lamp switch to operate;The temperature control mainboard 3 connects by first Device 13, the second connector 14 and light wiring terminal 7 is connect to be connected with switch mainboard 9;Lamp switch module 104 passes through the first connection Connecting line between the connector 14 of device 13 and second receives switch lamp status signal that temperature control mainboard 3 issues to carry out locale lamp control Operation;The mounting hole 12 is installed on bonnet 2, and whole controller is installed into standard by mounting hole 12 using self-tapping screw Switch panel is reserved in wall;
ON state single live wire power getting modular converter 105 (ON state power taking) under light fixture opening carries out electric quantity acquisition work, And it is system power supply by the electricity gathered storage into electricity memory module 106;OFF state list fire power taking modular converter 107 exists (OFF state power taking) carries out electric quantity acquisition work under light fixture closed mode, and the electricity gathered storage is arrived into electricity memory module It is system power supply in 106.
The ON state single live wire power getting modular converter 105 includes ON state reduction voltage circuit 201, ON state rectification circuit 202, LDO Mu balanced circuit 203 and voltage detecting circuit 204;The OFF state single live wire power getting modular converter 107 includes OFF state rectification circuit 301st, current sampling circuit 302, high frequency transformer 303, excessively output rectification circuit 304, current feedback circuit 305, HF switch electricity Road 306, voltage feedback circuit 307 and ON-OFF control circuit 308;The lamp switch module 104 respectively with ON state reduction voltage circuit 201 and OFF state rectification circuit 301 connect;ON state reduction voltage circuit 201 is connected with ON state rectification circuit 202, ON state rectification circuit 202 It is connected with LDO mu balanced circuits 203, LDO mu balanced circuits 203 are connected with output rectification circuit 304, electricity memory module 106 respectively; The voltage detecting circuit 204 is connected with electricity memory module 106, LDO mu balanced circuits 203 and ON-OFF control circuit 308 respectively; The OFF state rectification circuit 301 is connected with current sampling circuit 302, current sampling circuit 302 respectively with high frequency transformer 303 and Current feedback circuit 305 to be crossed to connect, high frequency transformer 303 is connected with output rectification circuit 304 and high-frequency switch circuit 306 respectively, Output rectification circuit 304 is connected with voltage feedback circuit 307, and the ON-OFF control circuit 308 is respectively with crossing current feedback circuit 305th, high-frequency switch circuit 306 and voltage feedback circuit 307 connect;
The ON state reduction voltage circuit 201 is used to be depressured input voltage in ON state power taking in order to avoid high pressure is burnt subsequently Circuit, as circuit protection unit;Voltage is dropped within 10V, on the one hand protects subsequent conditioning circuit not to be burned out, is on the other hand Follow-up secondary decompression provides stable electric energy.
The ON state rectification circuit 202 is used to low-voltage AC is converted into direct current in ON state power taking, for follow-up Power taking part uses.
The LDO mu balanced circuits 203 are used to low tension carrying out secondary decompression, voltage is dropped to the follow-up electricity such as MCU chip Electricity memory module 106 is conveyed to after in the comparatively safe scope of road normal work.
The electricity voltage that the voltage detecting circuit 204 is used to store electricity memory module 106 measures, and works as electricity Fast punch die formula is opened in voltage drop afterwards to a certain extent in amount memory module 106, is implemented respectively by controlling LDO mu balanced circuits 203 or ON-OFF control circuit 308 be achieved.
The OFF state rectification circuit 301 is used to electric main is converted into direct current for subsequent conditioning circuit in OFF state power taking Carry out power taking operation.
The current sampling circuit 302 is used to detect power taking electric current in real time in OFF state power taking.
The high frequency transformer 303 is used to convert electrical energy into magnetic energy in OFF state power taking, then is converted to electric energy by magnetic energy.
The AC energy that the output rectification circuit 304 is used to shift high frequency transformer 303 to come carries out rectifying and wave-filtering Operation makes it be converted to direct current, so that subsequent conditioning circuit uses.
The current feedback circuit 305 of crossing is used to measure current sampling circuit 302 in OFF state power taking obtained power taking electricity Stream is judged, when electric current exceedes default safety value, is transmitted a signal to ON-OFF control circuit 308 and is carried out corresponding operating, Decline power taking electric current, it is ensured that because electric current is excessive light fixture will not be caused to light during OFF state power taking.
The high-frequency switch circuit 306 is used to produce high-frequency switching operation, and the electric current that controlling stream crosses high frequency transformer 303 enters Row is switched on and off operating.
The voltage feedback circuit 307 is used to measure magnitude of voltage caused by output rectification circuit, the electricity that measurement is obtained Pressure value signal feeds back to ON-OFF control circuit 308.
The ON-OFF control circuit 308 is used to produce HF switch frequency and duty cycle signals, so as to control HF switch Circuit 306 is turned on and off, to realize that the energy storage of high frequency transformer 303 and electric energy transfer operate.ON-OFF control circuit 308 The feedback information of current feedback circuit 305 and voltage feedback circuit 307 can be received, so as to be adjusted to frequency and dutycycle Section is with adaptive circuit demand.
The supply voltage of the temperature control mainboard 3 can be controlled automatically in the range of 3.3V-3.6V.
Model MSP series, 51 series, PIC series, AVR series or the Cortex series of the MCU chip 101.
The operation principle and workflow of the adjustable switching mode room thermostat of the utility model power supply be:Whole controller It is fixed to by bonnet 2 at the fixing port of indoor standard switch, mounting hole 12 is provided with bonnet 2, after bonnet 2 fixes, will be opened Close mainboard 9 to connect with temperature control mainboard 3, protecgulum 1 is buckled on bonnet 2, whole controller is fixed on room wall.Display 4 are used to show room temperature information, and the temperature control button 6 is three buttons, for the switching of controller working condition, parameter setting with looking into Ask.The lamp control button 5 is three touch controlled keys, for the control to light fixture.
The comfortable desired temperature of user is set by temperature control button 6, temperature sensor 10 gathers indoor temperature, by temperature Signal sends MCU chip 101 to after being converted to electric signal.The temperature value of electric signal amount is converted to digital quantity letter by MCU chip 101 Breath, user is shown to by display 4;MCU chip 101 controls antenna 8, antenna 8 and user's list by wireless module 102 afterwards The communication of corresponding on-off controller realizes information transmission (on-off controller is one-to-one two-way with this controller in pipe well in first building Radio communication), according to current room temperature and the relation of setting room temperature, so as to control the open and close of on-off controller valve to grasp Make, to reach the purpose of regulation indoor temperature;Wireless module 102 can also collect the open/close states letter of on-off controller valve simultaneously Breath, is shown by MCU chip 101 on display 4.
ON state power taking process:When circuit is in ON state, lamp switch module 104 turns on, now ON state pressure drop circuit 201 Because circuit turn-on has obtained 220V High Level AC Voltage.Burnt now from device caused by high-tension electricity for protection subsequent conditioning circuit As when obtaining high-tension electricity, ON state reduction voltage circuit 201 is converted to high-tension electricity the low tension within 10V.Low pressure after decompression is handed over Stream electricity produces the direct current for being available for subsequent conditioning circuit to use by ON state rectification circuit 202.This caused direct current is for MCU core It is still higher for the grade power unit of piece 101, therefore electric current entered LDO mu balanced circuits 203 again makes voltage final output 3.6V. The power storage of final output provides lasting electric energy for subsequent conditioning circuit into electricity memory module 106.Voltage detecting circuit Magnitude of voltage in 204 real-time measuring electric quantity memory modules 106, after the magnitude of voltage measured low certain safety value excessively, signal is passed LDO mu balanced circuits 203 are given, LDO mu balanced circuits 203 take the straight mode of filling of bypass to realize after signal is obtained and rush function soon, make Voltage in electricity memory module 106 is climbed to more than safety value.When voltage recovers safety value in electricity memory module 106 Afterwards, voltage detecting circuit 204 is by signal cut, so that LDO mu balanced circuits 203, which are closed, bypasses straight mold filling formula.
When circuit is in OFF state to light light fixture, there can not be high current in circuit, at lamp switch module 104 In closed mode, ON state reduction voltage circuit 201 cannot get voltage, therefore can not obtain electricity by ON state power taking.Now need The phenomenon that also prevent light fixture from being lighted in power taking simultaneously for subsequent conditioning circuit delivery, therefore design and develop out OFF state list fire power taking Modular converter 107, high current is not present in circuit during the main advantage of OFF state list fire power taking modular converter 107 is power taking, because Deposited for no high current so light fixture, which is also just not present, lights phenomenon.OFF state list fire power taking modular converter 107 is using switch simultaneously Form of power, make output voltage adjustable, so as to realize 3.6V voltage output functions, it is ensured that pressure drop caused by radio communication below It is not enough to influence the reliability of circuit communication.
OFF state power taking process:OFF state rectification circuit 301 is electric by alternating current 220V when lamp switch module 104 is closed Pressure is converted to direct current, and the direct current after conversion is transferred in high frequency transformer 303 by current sampling circuit 302, and high frequency becomes Depressor 303 controls the break-make phenomenon for producing different frequency and dutycycle by high-frequency switch circuit 306, in ceaselessly make and break process The high-tension electricity that medium/high frequency transformer 303 will flow through current sampling circuit 302 and come is converted into low-voltage AC, then passes through output The alternating current of output is converted to direct current and sends LDO mu balanced circuits 203 to by rectification circuit 304.ON-OFF control circuit 308 produces High-frequency signal driving high-frequency switch circuit 306 carries out aforesaid operations.ON-OFF control circuit 308 produces the frequency height of switching signal And dutycycle size has mainly received the influence of current feedback circuit 305, voltage feedback circuit 307 and voltage detecting circuit 204.When Cross current feedback circuit 305 measure power taking electric current it is excessive when, by gained signal be transferred to ON-OFF control circuit 308 to HF switch electricity Road 306 adjusts, and electric current is declined to avoid light fixture from lighting phenomenon.Voltage feedback circuit 307 feeds back as output, mainly surveys The magnitude of voltage of output rectification circuit 304 is measured, by the way that output voltage values feedback of the information is realized into switch to ON-OFF control circuit 308 Status adjustment, avoid the occurrence of too high or too low voltage output phenomenon.The main measuring electric quantity memory module of voltage detecting circuit 204 106 electricity, the voltage detecting circuit when the voltage of electricity memory module 106 caused by the operation such as radio communication drastically declines This phenomenon is quickly fed back to ON-OFF control circuit 308 by 204 in time, so that ON-OFF control circuit 308 quickly fills in one The pattern of electricity makes output electricity fast lifting, to slow down the harmful effect that the descent tape of the voltage of electricity memory module 106 is come.
The utility model does not address part and is applied to prior art.

Claims (6)

1. a kind of adjustable switching mode room thermostat of power supply, including temperature control mainboard, light wiring terminal, switch mainboard, MCU core Piece, wireless module, low power testing module, lamp switch module and electricity memory module;The MCU chip, wireless module and low Electro-detection module is connected on temperature control mainboard;The MCU chip by temperature control mainboard respectively with wireless module and low power testing mould Block connects;The temperature control mainboard is connected with switch mainboard;The lamp switch module, electricity memory module and light wiring terminal It is connected on switch mainboard;It is characterized in that the controller also includes ON state single live wire power getting modular converter and OFF state list live wire takes Electric modular converter;The ON state single live wire power getting modular converter and OFF state single live wire power getting modular converter are connected to switch mainboard On;The ON state single live wire power getting modular converter and OFF state single live wire power getting modular converter store mould by switching mainboard with electricity Block connects;The ON state single live wire power getting modular converter carries out electric quantity acquisition work under light fixture opening, and will be gathered Electricity store into electricity memory module, be system power supply;The OFF state single live wire power getting modular converter closes shape in light fixture Electric quantity acquisition work is carried out under state, and is system power supply by the electricity gathered storage into electricity memory module.
2. the adjustable switching mode room thermostat of power supply according to claim 1, it is characterised in that the ON state list live wire Power taking modular converter includes ON state reduction voltage circuit, ON state rectification circuit, LDO mu balanced circuits and voltage detecting circuit;The OFF state Single live wire power getting modular converter includes OFF state rectification circuit, current sampling circuit, high frequency transformer, output rectification circuit, excessively stream Feedback circuit, high-frequency switch circuit, voltage feedback circuit and ON-OFF control circuit;The lamp switch module drops with ON state respectively Volt circuit connects with OFF state rectification circuit;ON state reduction voltage circuit is connected with ON state rectification circuit, ON state rectification circuit and LDO voltage stabilizings Circuit is connected, and LDO mu balanced circuits are connected with output rectification circuit, electricity memory module respectively;The voltage detecting circuit difference It is connected with electricity memory module, LDO mu balanced circuits and ON-OFF control circuit;The OFF state rectification circuit connects with current sampling circuit Connect, current sampling circuit is connected with high frequency transformer and current feedback circuit excessively respectively, and high frequency transformer is respectively with exporting rectified current Road is connected with high-frequency switch circuit, and output rectification circuit is connected with voltage feedback circuit, the ON-OFF control circuit respectively with mistake Current feedback circuit, high-frequency switch circuit connect with voltage feedback circuit.
3. the adjustable switching mode room thermostat of power supply according to claim 2, it is characterised in that the ON state decompression electricity Road is used to be depressured input voltage in ON state power taking;The ON state rectification circuit is used for low pressure in ON state power taking Alternating current is converted to direct current;The LDO mu balanced circuits are used to low tension carrying out secondary decompression, voltage is dropped to subsequent conditioning circuit Electricity memory module is conveyed to after in the range of normal work;The voltage detecting circuit is used to store electricity memory module Electricity voltage measure.
4. the adjustable switching mode room thermostat of power supply according to claim 2, it is characterised in that the OFF state rectified current Road is used to electric main is converted into direct current in OFF state power taking;The current sampling circuit is used in OFF state power taking to taking Electric current is detected in real time;The high frequency transformer is used to convert electrical energy into magnetic energy in OFF state power taking, then is turned by magnetic energy It is changed to electric energy;The output rectification circuit is used to the AC energy progress rectifying and wave-filtering that high frequency transformer transfer comes making its turn It is changed to direct current;The current feedback circuit of crossing is used to enter the power taking electric current that current sampling circuit measurement obtains in OFF state power taking Row judges, it is ensured that causes light fixture not light during OFF state power taking;The high-frequency switch circuit is used to produce high-frequency switching operation, controls The electric current that system flows through high frequency transformer carries out being switched on and off operating;The voltage feedback circuit is used to measure output rectification circuit Caused magnitude of voltage, the voltage value signal that measurement obtains is fed back into ON-OFF control circuit;The ON-OFF control circuit is used for HF switch frequency and duty cycle signals are produced, so as to control high-frequency switch circuit to be turned on and off, to realize that high frequency becomes The energy storage of depressor and electric energy transfer operation;ON-OFF control circuit received the feedback letter of current feedback circuit and voltage feedback circuit Breath, frequency and dutycycle are adjusted with adaptive circuit demand.
5. the adjustable switching mode room thermostat of power supply according to claim 1, it is characterised in that the temperature control mainboard Supply voltage can be controlled automatically in the range of 3.3V-3.6V.
6. the adjustable switching mode room thermostat of power supply according to claim 1, it is characterised in that the type of the MCU chip Number for MSP series, 51 series, PIC series, AVR series or Cortex series.
CN201720568941.4U 2017-05-22 2017-05-22 A kind of adjustable switching mode room thermostat of power supply Active CN206919129U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110337162A (en) * 2019-04-28 2019-10-15 天彩电子(深圳)有限公司 Single live wire power getting system and method based on intelligent switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110337162A (en) * 2019-04-28 2019-10-15 天彩电子(深圳)有限公司 Single live wire power getting system and method based on intelligent switch

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Address after: 050000 unit 6, building 9, Runjiang headquarters international, 319 Changjiang Avenue, high tech Zone, Shijiazhuang, Hebei Province

Patentee after: HEBEI GONGDA GREEN ENERGY TECHNOLOGY Corp.,Ltd.

Address before: 050091 4th floor, innovation building, Jinshi Industrial Park, No. 368, Xinshi North Road, high tech Zone, Shijiazhuang City, Hebei Province

Patentee before: HEBEI GONGDA GREEN ENERGY TECHNOLOGY Corp.,Ltd.

CP02 Change in the address of a patent holder