CN106949533A - 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 PDFInfo
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- CN106949533A CN106949533A CN201710361932.2A CN201710361932A CN106949533A CN 106949533 A CN106949533 A CN 106949533A CN 201710361932 A CN201710361932 A CN 201710361932A CN 106949533 A CN106949533 A CN 106949533A
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- 230000005611 electricity Effects 0.000 claims abstract description 58
- 238000012360 testing method Methods 0.000 claims abstract description 11
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- 230000003750 conditioning effect Effects 0.000 claims description 8
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- 230000033228 biological regulation Effects 0.000 abstract description 5
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- 238000004891 communication Methods 0.000 description 6
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- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
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- 238000009529 body temperature measurement Methods 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
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- Thermal Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention 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 the fiery power taking modular converter of ON state list and the fiery power taking modular converter of OFF state list；The fiery power taking modular converter of the ON state list and the fiery power taking modular converter of OFF state list are connected on switch mainboard；The fiery power taking modular converter of the ON state list and the fiery power taking modular converter of OFF state list 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, the limitation short so as to improve data transmission distance.
Description
Technical field
The present invention relates to heating energy-saving remote monitor supervision area, specifically a kind of adjustable switching mode room thermostat of power supply,
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 needed for ensureing life for resident family.In recent years
With the increase of city dweller's house amount, it is on the rise, is taken effectively while the atmosphere pollution that factor triggered such as discharging by heat supply
Energy-saving and emission-reduction mode turn into instantly heat work the most important thing.
Being used on present society heating system in collective's heating method of extensive style, man of resident family to the requirements of room temperature not more
Effective collection can be obtained with utilizing.Resident family can not carry out effective pass to heat supply pipeline according to oneself actual conditions are automatic simultaneously
Close and operated with opening, when causing in resident family without heat supply, amount of heat is equally consumed, 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, the thermometric that the random mobile controller of certain customers causes is solved and is forbidden.
Some switching mode room thermostats, using the supply line in former power switch, are room temperature control using single live wire power getting technology
Device provides power supply, and the cumbersome of battery is changed when solving heat user dead battery.Though but the 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 it cannot be guaranteed that the reliability of data transfer, it is impossible to protect
Card data upload to the reliability of Thermal Corp's monitoring central platform, and existing switching mode room thermostat is it cannot be guaranteed that room temperature number
It is believed that the reliable teletransmission of breath, so as to it cannot be guaranteed that correctly instruct heat exchange station or thermal source operating mode to carry out maximum energy-saving control.
The content of the invention
In view of the shortcomings of the prior art, the technical problem that the present invention is intended to solve is to provide a kind of adjustable switching mode of power supply
Room thermostat.The controller is taken by the ON state single live wire power getting modular converter and OFF state list live wire designed for power-supply circuit
Electric modular converter, output voltage is adjustable in 3.3V-3.6V scopes, i.e., it can be powered tune in real time when output voltage declines
Section, the limitation short so as to improve data transmission distance.Output voltage conversion is simultaneously comprising excessively stream, overvoltage, overpower etc. one
Series protection and control circuit.
The technical scheme that the present invention solves the technical problem is to provide a kind of adjustable switching mode room temperature control of power supply
Device, including temperature control mainboard, light wiring terminal, switch mainboard, MCU chip, wireless module, low power testing module, lamp switch
Module and electricity memory module；The MCU chip, wireless module and low power testing module are connected on temperature control mainboard；The MCU
Chip is connected with wireless module and low power testing module respectively by temperature control mainboard；The temperature control mainboard is connected with switch mainboard；
The lamp switch module, electricity memory module and light wiring terminal are connected on switch mainboard；It is characterized in that the control
Device also includes the fiery power taking modular converter of ON state list and the fiery power taking modular converter of OFF state list；The fiery power taking modular converter of the ON state list and
OFF state list fire power taking modular converter is connected on switch mainboard；The fiery power taking modular converter of the ON state list and the fiery power taking of OFF state list turn
Mold changing block is connected by switching mainboard with electricity memory module；The fiery power taking modular converter of the ON state list is under light fixture opening
Electric quantity acquisition work is carried out, and is system power supply by the electricity gathered storage into electricity memory module；The OFF state list fire
Power taking modular converter carries out electric quantity acquisition work under light fixture closed mode, and the electricity gathered storage is stored into mould to electricity
It is system power supply in block.
Compared with prior art, beneficial effect of the present invention 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,
The limitation short so as to improve 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, it is to avoid 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 correspondence 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 illustrates for a kind of inside overall structure backsight of the adjustable embodiment of switching mode room thermostat of power supply of the present invention
Figure；
Fig. 2 illustrates for a kind of inside overall structure main view of the adjustable embodiment of switching mode room thermostat of power supply of the present invention
Figure；
Fig. 3 is a kind of overall structure schematic front view of the adjustable embodiment of switching mode room thermostat of power supply of the present invention；
Fig. 4 is a kind of overall structure schematic rear view of the adjustable embodiment of switching mode room thermostat of power supply of the present invention；
Fig. 5 is a kind of overall structure left view schematic diagram of the adjustable embodiment of switching mode room thermostat of power supply of the present invention；
Fig. 6 is a kind of module connection diagram of the adjustable embodiment of switching mode room thermostat of power supply of the present invention；
Single fiery power takings and power supply of the Fig. 7 for a kind of adjustable embodiment of switching mode room thermostat of power supply of the present invention can Power Regulations
The principle schematic that can be realized；(1, protecgulum in figure；2nd, bonnet；3rd, temperature control mainboard；4th, display；5th, temperature control button；6th, lamp control is pressed
Key；7th, light wiring terminal；8th, antenna；9th, mainboard is switched；10th, temperature sensor；11st, the first air-vent；12nd, mounting hole；13、
First connector；14th, the second connector；15th, the second air-vent；101st, MCU chip；102nd, wireless module；103rd, low power testing
Module；104th, lamp switch module, 105, ON state single live wire power getting modular converter；106th, electricity memory module；107th, OFF state list
Live wire power getting modular converter；201st, ON state reduction voltage circuit；202nd, ON state rectification circuit；203rd, LDO mu balanced circuits；204th, voltage is examined
Slowdown monitoring circuit；301st, OFF state rectification circuit；302nd, current sampling circuit；303rd, high frequency transformer；304th, output rectification circuit；305、
Cross current feedback circuit；306th, high-frequency switch circuit；307th, voltage feedback circuit；308th, ON-OFF control circuit)
Embodiment
The specific embodiment of the present invention is given below.Specific embodiment is only used for that the present invention is further described, and does not limit
The application scope of the claims processed.
The invention provides a kind of adjustable switching mode room thermostat 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, switch master
Plate 9, temperature sensor 10, the first air-vent 11, mounting hole 12, the first connector 13, the second connector 14, the second air-vent
15th, MCU chip 101, wireless module 102, low power testing module 103, lamp switch module 104, the conversion of ON state single live wire power getting
Module 105, electricity memory module 106 and OFF state single live wire power getting modular converter 107；
The protecgulum 1 and bonnet 2 are snapped 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 the rectangular structure of protecgulum 1, are made
Temperature sensor 10 has 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 corresponding air-vent 15 of first air-vent 11 and second of protecgulum 1, 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 are connected；Low power testing module 103 detects temperature control mainboard 3 to wireless module 102 in real time
Supply voltage, when the voltage detected be less than setting value when, 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 by switching mainboard 9 to electricity memory module 106
3 supply voltage；MCU chip 101 shows low electric reminder flag on display 4 simultaneously, while forbidding 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 is measured, 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, the fiery power taking modular converter 105 of ON state list, electricity memory module 106, the fiery power taking modular converter 107 of OFF state list, light wiring
The connector 14 of terminal 7 and second is welded on switch mainboard 9；Mainboard 9 is switched to pass through inside binding post 7 and original standard switch
Electrical wire of lamp be attached the single fiery power taking of progress, while controlling lamp switch operation；The temperature control mainboard 3 passes through the first connection
Device 13, the second connector 14 and light wiring terminal 7 are connected with switch mainboard 9；Lamp switch module 104 passes through the first connector
13 and the second connecting line between connector 14 switch lamp status signal that temperature control mainboard 3 issues is received to carry out locale lamp control behaviour
Make；The mounting hole 12 is installed on bonnet 2, is opened the whole controller standard of being installed to by mounting hole 12 using self-tapping screw
Panel is closed to reserve in wall；
ON state list fire power taking 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 is in lamp
Have (OFF state power taking) under closed mode and carry out electric quantity acquisition work, and electricity memory module 106 is arrived into the electricity gathered storage
In, it is system power supply.
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
Cross current feedback circuit 305 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 are connected；
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, is used 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 step-down 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 is used.
The LDO mu balanced circuits 203 are used to low tension carrying out secondary step-down, 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 is measured, 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 is used.
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 operation.
The voltage feedback circuit 307 is used to measure the magnitude of voltage produced 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, and is operated with the energy storage and electric energy transfer of realizing high frequency transformer 303.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 power supply of the present invention be：Whole controller passes through
Bonnet 2 is fixed at the fixing port that indoor standard is switched, and mounting hole 12 is provided with bonnet 2, after bonnet 2 is fixed, and switch is led
Plate 9 is connected with temperature control mainboard 3, and protecgulum 1 is buckled on bonnet 2, and whole controller is fixed on room wall.Display 4 is used
In display room temperature information, the temperature control button 6 is three buttons, for the switching of controller working condition, parameter setting and inquiry.
The lamp control button 5 is three touch controlled keys, for the control to light fixture.
The comfortable desired temperature of user, the collection indoor temperature of temperature sensor 10, by temperature are set by temperature control button 6
Signal, which is converted to, sent to after electric signal MCU chip 101.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 by wireless module 102 afterwards, and antenna 8 is single with user
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 is turned on, now ON state pressure drop circuit 201
Because circuit turn-on has obtained 220V High Level AC Voltage.Burnt for protection subsequent conditioning circuit from the device that high-tension electricity is produced existing
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 step-down is handed over
Stream electricity is produced by ON state rectification circuit 202 is available for the direct current that subsequent conditioning circuit is used.The direct current now produced 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 close the straight mold filling formula of bypass.
When circuit is in OFF state to light light fixture, can not exist in circuit at high current, 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 light fixture is lighted in power taking is also prevented simultaneously for subsequent conditioning circuit delivery, therefore designs and develops out the fiery power taking of OFF state list
Modular converter 107, the main advantage of OFF state list fire power taking modular converter 107 is that high current is not present in circuit during power taking, because
Deposited for no high current so light fixture, which is also just not present, lights phenomenon.The fiery power taking modular converter 107 of OFF state list is using switch simultaneously
Form of power, makes output voltage adjustable, so as to realize 3.6V voltage output functions, it is ensured that the pressure drop produced below during radio communication
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 to produce the break-make phenomenon of 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 is produced
High-frequency signal driving high-frequency switch circuit 306 carries out aforesaid operations.ON-OFF control circuit 308 produces the frequency of switching signal just
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 transmission to ON-OFF control circuit 308 to HF switch electricity
Road 306 adjusts, and makes electric current decline 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, it is to avoid too high or too low voltage output phenomenon occur.The main measuring electric quantity memory module of voltage detecting circuit 204
106 electricity, the voltage detecting circuit when voltage of electricity memory module 106 produced when radio communication etc. is operated 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 present invention 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 is connected；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 the fiery power taking modular converter of ON state list and the fiery power taking of OFF state list turns
Change the mold block；The fiery power taking modular converter of the ON state list and the fiery power taking modular converter of OFF state list are connected on switch mainboard；It is described to open
State list fire power taking modular converter and the fiery power taking modular converter of OFF state list are connected by switching mainboard with electricity memory module；It is described to open
State list fire power taking modular converter carries out electric quantity acquisition work under light fixture opening, and the electricity gathered storage is arrived into electricity
It is system power supply in memory module；The fiery power taking modular converter of the OFF state list carries out electric quantity acquisition work under light fixture closed mode
Make, and be 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 and the connection of 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 and high-frequency switch circuit connection, output rectification circuit is connected with voltage feedback circuit, the ON-OFF control circuit respectively with mistake
Current feedback circuit, high-frequency switch circuit and voltage feedback circuit connection.
3. the adjustable switching mode room thermostat of power supply according to claim 1, it is characterised in that the ON state step-down electricity
Road is used to be depressured input voltage in ON state power taking；The ON state rectification circuit is used to hand over low pressure in ON state power taking
Stream electricity is converted to direct current；The LDO mu balanced circuits are used to low tension carrying out secondary step-down, voltage is being dropped to subsequent conditioning circuit just
Electricity memory module is conveyed to after in the range of often working；The voltage detecting circuit is used for what electricity memory module was stored
Electricity voltage is measured.
4. the adjustable switching mode room thermostat of power supply according to claim 1, 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 AC energy progress rectifying and wave-filtering that the output rectification circuit is used to shift high frequency transformer to come makes 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 is obtained in OFF state power taking
Row judges, it is ensured that cause 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 operation；The voltage feedback circuit is used to measure output rectification circuit
Produced magnitude of voltage, the voltage value signal that measurement is obtained feeds back to 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710361932.2A CN106949533A (en) | 2017-05-22 | 2017-05-22 | A kind of adjustable switching mode room thermostat of power supply |
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