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
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
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
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
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
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)
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.