CN209044398U - A kind of modular circuit applied to thermostat heating - Google Patents
A kind of modular circuit applied to thermostat heating Download PDFInfo
- Publication number
- CN209044398U CN209044398U CN201822012047.6U CN201822012047U CN209044398U CN 209044398 U CN209044398 U CN 209044398U CN 201822012047 U CN201822012047 U CN 201822012047U CN 209044398 U CN209044398 U CN 209044398U
- Authority
- CN
- China
- Prior art keywords
- foot
- connect
- circuit
- access port
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The utility model discloses a kind of modular circuits applied to thermostat heating, it include: power circuit and main control circuit, the power circuit includes: current rectifying and wave filtering circuit, DC-DC switching power circuit, heating load switching circuit of power supply, water pump load supplying switching circuit, plant-grid connection mouth J1, power switch access port J2, heater load J3, water pump load J4, water level sensor access port J5, temperature sensor access port J6, LED display mainboard control access port J7, and the current rectifying and wave filtering circuit is connect with DC-DC switching power circuit；The main control circuit includes: that LED display access circuit, remote control coding reception circuit, buzzing prompt tone switching circuit, LED display backlight circuit, MCU main control IC and LED display driver circuit, power panel access port H1, the MCU main control IC and the LED panel display in LED display driver circuit using model TM1621D drive M1, the power panel access port H1 connection corresponding with plant-grid connection mouth J1.
Description
Technical field
The utility model relates to thermostat heater circuits, more particularly, to a kind of module applied to thermostat heating
Circuit.
Background technique
Thermostat is the one kind for being controlled, directly or indirectly one or more heat sources and cold source to maintain required temperature
Device.Thermostat will realize this function, must just have a sensing element and a converter, and sensing element is measured out
The variation of temperature, and required effect is generated to converter.Converter is converted into the effect from sensing element warm to changing
The device of degree can be carried out the effect of suitable control.
Thermostat heater circuit at present on the market is mostly complex, and user cannot recognize entire electricity well
The working condition of road module, security performance are insufficient.
Utility model content
The utility model is to overcome above situation insufficient, it is desirable to provide a kind of technical solution that can solve the above problem.
A kind of modular circuit applied to thermostat heating, comprising: power circuit and main control circuit, the power supply electricity
Road includes: current rectifying and wave filtering circuit, DC-DC switching power circuit, heating load switching circuit of power supply, water pump load supplying switch electricity
Road, plant-grid connection mouth J1, power switch access port J2, heater load J3, water pump load J4, water level sensor access port J5,
Temperature sensor access port J6, LED show that mainboard controls access port J7, the current rectifying and wave filtering circuit and DC-DC switch power supply
Road connection；
The main control circuit includes: LED display access circuit, remote control coding receives circuit, buzzing prompt tone switchs
Circuit, LED display backlight circuit, MCU main control IC and LED display driver circuit, power panel access port H1, the LED are aobvious
Display screen accesses in circuit using the voltage-stablizer V1, the MCU main control IC of model LM78L05 and LED display driver circuit
In use the MCU chip U1 of model BS84B801-20, use in the MCU main control IC and LED display driver circuit
The LED panel display driving M1 of model TM1621D, the power panel access port H1 connection corresponding with plant-grid connection mouth J1.
As a further solution of the present invention: the current rectifying and wave filtering circuit includes: diode D1, diode D3, institute
It states diode D1 anode to connect by resistance wire J1 with the 2nd foot of plant-grid connection mouth, the electricity of plant-grid connection the mouth J1 and AC220V
Source connection, the diode D3 cathode connect with the 1st foot of power switch access port J2, and the of the power switch access port J2
1 foot is also connect with heater load, and the 3rd foot of power switch access port J2 is connect with the 1st foot of plant-grid connection mouth J1, and described two
Pole pipe D3 anode is connect by capacitor C1 with diode D1 cathode, and the capacitor C1 is in parallel with capacitor C2, and the diode D3 is negative
Pole is also connect with diode D4 anode, and diode D4 cathode is connect with diode D1 cathode, and the diode D1 anode is also with two
The connection of pole pipe D2 cathode, the diode D2 anode are connect with diode D3 anode, and the diode D2 anode is also grounded.
As a further solution of the present invention: the DC-DC switching power circuit includes: power supply chip Y1, it is described
The 5th foot of power supply chip Y1, the 6th foot, the 7th foot, the 8th foot are in parallel, and just pole one end connects by the 5th foot of power supply chip Y1 and transformer T1
It connects, the 5th foot of power supply chip Y1 is also connect with diode D6 anode, and the diode D6 cathode passes through capacitor C3 and transformer
T1 just pole other end connection, the capacitor C3 is in parallel with resistance R1, and just the pole other end and capacitor C2 anode connect the transformer T1
It connects, the 4th foot of power supply chip Y1 is connect with optocoupler Z1 output end, and the optocoupler Z1 output end and the 3rd foot of power supply chip Y1 connect
It connects, the 3rd foot of power supply chip Y1 also passes through capacitor C5 and is grounded, and the 2nd foot of power supply chip Y1 and the 1st foot of power supply chip Y1 connect
It connects, the 1st foot of power supply chip Y1 passes through capacitor C6 and the 4th foot of power supply chip Y1, the 1st foot of the power supply chip Y1 ground connection, institute
It states and is provided with diode D7 on the one end of T1 pole of transformer, the diode D7 cathode and LED show master control borad access port J7 the 1st
Foot connection, T1 pole other end of the transformer show that the 2nd foot of master control borad access port J7 is connect with LED, and the LED shows master control
The connection of the 1st foot of plate access port J7 is also connect with diode D8 anode, and the diode D8 cathode is connect with optocoupler Z1 input terminal, institute
It states optocoupler input and also passes through resistance R4 and LED and show that the 1st foot of master control borad access port J7 connect, the LED display master control borad connects
The 5th foot of entrance J7 is connect with temperature sensor access port J5, and the LED shows the 6th foot of master control borad access port J7 and level sensor
The J6 connection of device access port.
As a further solution of the present invention: the water pump load supplying switching circuit includes: triode Q2, it is described
Triode Q2 is NPN type triode, and the triode Q2 emitter ground connection, the collector and water pump of the triode Q2 loads J4
The connection of the 1st foot, the 2nd foot of water pump load J4 is connected with the voltage rating of+12V, the base stage and LED of the triode Q2
Show the connection of the 3rd foot of master control borad access port J7, the base stage of the triode Q2 also passes through resistance R2 and is grounded.
As a further solution of the present invention: the heating load switching circuit of power supply includes: triode Q1, it is described
Triode Q1 is NPN type triode, and the triode Q1 emitter ground connection, the triode Q1 base stage and LED show master control borad
The connection of the 4th foot of access port J7, the triode Q1 collector are connect with diode D5 anode, the diode D5 cathode and+12V
Voltage rating connection, bridging has load switch A1, the one end the load switch A1 and heater load on the diode D5
The connection of the 1st foot of J3, the load switch A1 other end are connect with the 2nd foot of plant-grid connection mouth.
As a further solution of the present invention: in the MCU main control IC and LED display driver circuit, MCU chip
The 1st foot of U1 is connect with desuperheat switch panel, and the 2nd foot of MCU chip U1 is connect with heating switch panel, the MCU chip U1
3rd foot is connect with heater switch panel, and the 4th foot of MCU chip U1 is connect with sleep switch panel, the MCU chip U1 the 5th
Foot is connect with time switch panel, the 9th foot of the MCU chip U1 ground connection, the 10th foot of MCU chip U1 and+5V voltage rating
Connection, the 10th foot of MCU chip U1 also pass through capacitor C33 and are grounded, and the 11st foot of MCU chip U1 and temperature-detecting device connect
It connects, the 12nd foot of MCU chip U1 shows that driving the 12nd foot of M1 is connect with LED panel, the 13rd foot of MCU chip U1 and LED
Display panel drives the connection of the 11st foot of M1, and the 15th foot of MCU chip U1 connect with buzzing, the 16th foot of MCU chip U1 and
Remote control coding receives circuit connection, and the 17th foot of MCU chip U1 is connect with water-level detecting device, the MCU chip U1 the 16th
Foot is connect by resistance R55 with heater switch, and the 19th foot of MCU chip U1 is connect by resistance R44 with pump switch, described
The 20th foot of MCU chip U1 is connect with backlight, LED panel display driving the 13rd foot of the M1 ground connection, the LED panel display driving
The 14th foot of M1 shows that driving the 15th foot of M1 is connect with LED panel by resistance R11, LED panel display driving the 15th foot of M1
It is connected with+5V voltage rating.
As a further solution of the present invention: power panel access port H1 the 2nd in the LED display access port circuit
Foot ground connection, the 2nd foot of power panel access port H1 also pass through capacitor C11 and connect with the 1st foot of power panel access port H1, and the power panel connects
The 3rd foot of entrance H1 connects pump switch, and the 4th foot of power panel access port H1 connects heater switch, the power panel access port
The 5th foot of H1 is connect by resistance R12 with+5V voltage rating, and the 5th foot of power panel access port H1 also passes through resistance R33 and water
Level detecting apparatus connection, the resistance R33 also pass through capacitor C55 and are grounded, and the 6th foot of power panel access port H1 passes through resistance
R22 is connected to the voltage rating of+5V, and the 6th foot of power panel access port H1 also passes through resistance R88 and connect with temperature detection, described
Resistance R88 is grounded by capacitor C22, and the 1st foot of power panel access port H1 is connected with the voltage rating of+12V, the electricity
The 1st foot of source plate access port H1 is also connect with the 3rd foot of voltage-stablizer V1 in LED display circuit, and the 1st foot of voltage-stablizer V1 connects
Ground, the 2nd foot of voltage-stablizer V1 are grounded by capacitor C44, and the 2nd foot of voltage-stablizer V1 is also connected with the voltage rating of+5V, institute
It states the 2nd foot of voltage-stablizer V1 and also passes through capacitor C77 and be grounded.
As a further solution of the present invention: it includes: receiver of remote-control sytem IC1, institute that the remote control coding, which receives circuit,
It states the 1st foot of receiver of remote-control sytem IC1 to connect with the 16th foot of MCU chip U1, the 2nd foot of the receiver of remote-control sytem IC1 ground connection, the remote control
The 3rd foot of receiver IC1 is grounded by capacitor C8, and the 3rd foot of receiver of remote-control sytem IC1 also passes through resistance R10 and is connected to the specified electricity of+5V
Pressure.
As a further solution of the present invention: it includes: triode Q11 that the buzzing, which promotes sound switching circuit, it is described
Triode Q11 is NPN triode, the triode Q11 emitter ground connection, the triode Q11 collector and the one end loudspeaker LS1
Connection, the loudspeaker LS1 other end are connect by resistance R9 with the voltage rating of+5V, and the triode Q11 base stage passes through resistance
R6 is connect with buzzing.
As a further solution of the present invention: the LED display backlight circuit includes: triode Q22, described three
Pole pipe Q22 is NPN triode, and the triode Q22 emitter ground connection, the triode Q22 base stage passes through resistance R77 and backlight
Connection, the triode Q22 collector are connect with diode D11 cathode, and the diode D11 is in parallel with diode D22, described
Diode D11 anode is connect by resistance R12 with the voltage rating of+5V, and the diode D22 anode passes through resistance R13 and+5V
Voltage rating connection, the diode D11 and diode D22 are light emitting diode.
Compared with prior art, the utility model has the beneficial effects that
Effectively the working condition of circuit each in constant temperature heating device and working condition can effectively be shown,
Can first time the working condition for recognizing equipment, have the effect of preventing circuitry failure, prevent circuitry from sending out
It gives birth to failure and can not learn at the first time, so that accident occur.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model power circuit schematic diagram.
Fig. 2 is the utility model MCU main control IC and LED display driver circuit schematic diagram.
Fig. 3 is the utility model LED display access port circuit diagram.
Fig. 4 is that the utility model remote control coding receives circuit diagram.
Fig. 5 is the utility model buzzing prompt tone switching circuit schematic diagram.
Fig. 6 is the utility model LED display backlight circuit schematic diagram.
In figure: 1, current rectifying and wave filtering circuit, 2, DC-DC switching power circuit, 3, heating load switching circuit of power supply, 4, water pump
Load supplying switching circuit, 5, MCU main control IC and LED display driver circuit, 6, LED display access port circuit, 7, remote control
Coding receives circuit, 8, buzzing prompt tone switching circuit, 9, LED display backlight circuit.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Please refer to Fig. 1~6, in the utility model embodiment, a kind of modular circuit applied to thermostat heating, packet
Include: power circuit and main control circuit, the power circuit include: current rectifying and wave filtering circuit 1, DC-DC switching power circuit 2, add
Heat load switching circuit of power supply 3, water pump load supplying switching circuit 4, plant-grid connection mouth J1, power switch access port J2, heating
Device loads J3, water pump load J4, water level sensor access port J5, temperature sensor access port J6, LED display mainboard control access
Mouth J7, the current rectifying and wave filtering circuit 1 are connect with DC-DC switching power circuit 2；
The main control circuit includes: LED display access circuit, remote control coding receives circuit 7, buzzing prompt tone switchs
Circuit 8, LED display backlight circuit 9, MCU main control IC and LED display driver circuit 5, power panel access port H1, the LED
Display screen accesses voltage-stablizer V1, the MCU main control IC and LED the display driving electricity in circuit using model LM78L05
The MCU chip U1 of model BS84B801-20 is used in road 5, is adopted in the MCU main control IC and LED display driver circuit 5
With the LED panel display driving M1 of model TM1621D, the power panel access port H1 company corresponding with plant-grid connection mouth J1
It connects.
The current rectifying and wave filtering circuit 1 includes: diode D1, diode D3, and the diode D1 anode passes through resistance wire J1
It is connect with the 2nd foot of plant-grid connection mouth, the power supply connection of plant-grid connection the mouth J1 and AC220V, the diode D3 cathode and electricity
The 1st foot of source switch access port J2 connects, and the 1st foot of the power switch access port J2 is also connect with heater load, described
The 3rd foot of power switch access port J2 is connect with the 1st foot of plant-grid connection mouth J1, and the diode D3 anode passes through capacitor C1 and two poles
The connection of pipe D1 cathode, the capacitor C1 is in parallel with capacitor C2, and the diode D3 cathode is also connect with diode D4 anode, two poles
Pipe D4 cathode is connect with diode D1 cathode, and the diode D1 anode is also connect with diode D2 cathode, the diode D2
Anode is connect with diode D3 anode, and the diode D2 anode is also grounded.
The DC-DC switching power circuit 2 includes: power supply chip Y1, the 5th foot of power supply chip Y1, the 6th foot, the 7th
Foot, the 8th foot are in parallel, and the 5th foot of power supply chip Y1 is just connect pole one end with transformer T1, and the 5th foot of power supply chip Y1 is also
It is connect with diode D6 anode, by capacitor C3, just the pole other end is connect the diode D6 cathode with transformer T1, the electricity
It is in parallel with resistance R1 to hold C3, the pole other end at the beginning of the transformer T1 is connect with capacitor C2 anode, the 4th foot of power supply chip Y1 and
The connection of optocoupler Z1 output end, the optocoupler Z1 output end are connect with the 3rd foot of power supply chip Y1, and the 3rd foot of power supply chip Y1 is also
It is grounded by capacitor C5, the 2nd foot of power supply chip Y1 is connect with the 1st foot of power supply chip Y1, and the 1st foot of power supply chip Y1 is logical
Capacitor C6 and the 4th foot of power supply chip Y1 are crossed, the 1st foot of the power supply chip Y1 ground connection, T1 pole of the transformer is arranged on one end
There is diode D7, the diode D7 cathode shows that the 1st foot of master control borad access port J7 is connect with LED, T1 pole of the transformer
The other end and LED show that the 2nd foot of master control borad access port J7 connect, the LED show the 1st foot of master control borad access port J7 connect also with
The connection of diode D8 anode, the diode D8 cathode are connect with optocoupler Z1 input terminal, and the optocoupler input also passes through resistance
R4 shows that the 1st foot of master control borad access port J7 is connect with LED, and the LED shows the 5th foot of master control borad access port J7 and temperature sensor
Access port J5 connection, the LED show that the 6th foot of master control borad access port J7 is connect with water level sensor access port J6.
The water pump load supplying switching circuit 4 includes: triode Q2, and the triode Q2 is NPN type triode, described
The collector of triode Q2 emitter ground connection, the triode Q2 is connect with the 1st foot of water pump load J4, and the water pump loads J4
The 2nd foot be connected with the voltage rating of+12V, the base stage and LED of the triode Q2 shows that the 3rd foot of master control borad access port J7 connects
It connects, the base stage of the triode Q2 also passes through resistance R2 and is grounded.
The heating load switching circuit of power supply 3 includes: triode Q1, and the triode Q1 is NPN type triode, described
Triode Q1 emitter ground connection, the triode Q1 base stage show that the 4th foot of master control borad access port J7 is connect with LED, three pole
Pipe Q1 collector is connect with diode D5 anode, and the diode D5 cathode is connect with the voltage rating of+12V, the diode
Bridging has load switch A1 on D5, and the one end the load switch A1 is connect with the 1st foot of heater load J3, the load switch A1
The other end is connect with the 2nd foot of plant-grid connection mouth.
In the MCU main control IC and LED display driver circuit 5, the 1st foot of MCU chip U1 is connect with desuperheat switch panel,
The 2nd foot of MCU chip U1 is connect with heating switch panel, and the 3rd foot of MCU chip U1 is connect with heater switch panel, institute
It states the 4th foot of MCU chip U1 to connect with sleep switch panel, the 5th foot of MCU chip U1 is connect with time switch panel, described
The 9th foot of MCU chip U1 ground connection, the 10th foot of MCU chip U1 are connect with+5V voltage rating, and the 10th foot of MCU chip U1 is also
Be grounded by capacitor C33, the 11st foot of MCU chip U1 is connect with temperature-detecting device, the 12nd foot of MCU chip U1 with
LED panel display driving the 12nd foot of M1 connection, the 13rd foot of MCU chip U1 show that driving the 11st foot of M1 is connect with LED panel,
The 15th foot of MCU chip U1 is connect with buzzing, and the 16th foot of MCU chip U1 receives circuit 7 with remote control coding and connect, described
The 17th foot of MCU chip U1 is connect with water-level detecting device, and the 16th foot of MCU chip U1 is connected by resistance R55 and heater switch
It connects, the 19th foot of MCU chip U1 is connect by resistance R44 with pump switch, and the 20th foot of MCU chip U1 and backlight connect
Connect, LED panel display driving the 13rd foot of M1 ground connection, LED panel display driving the 14th foot of M1 by resistance R11 with
LED panel display driving the 15th foot of M1 connection, LED panel display driving the 15th foot of M1 are connected with+5V voltage rating.
The 2nd foot of power panel access port H1 is grounded in the LED display access port circuit 6, the 2nd foot of power panel access port H1
It is also connect by capacitor C11 with the 1st foot of power panel access port H1, the 3rd foot of power panel access port H1 connects pump switch, institute
The 4th foot of power panel access port H1 connection heater switch is stated, the 5th foot of power panel access port H1 is specified by resistance R12 and+5V
Voltage connection, the 5th foot of power panel access port H1 also pass through resistance R33 and connect with water-level detecting device, and the resistance R33 is also
It is grounded by capacitor C55, the 6th foot of power panel access port H1 is connected to the voltage rating of+5V, the power supply by resistance R22
The 6th foot of plate access port H1 also passes through resistance R88 and connect with temperature detection, and the resistance R88 is grounded by capacitor C22, the electricity
The 1st foot of source plate access port H1 is connected with the voltage rating of+12V, and the 1st foot of power panel access port H1 is also shown with LED
Shield the 3rd foot of the voltage-stablizer V1 connection in circuit, the 1st foot of the voltage-stablizer V1 ground connection, the 2nd foot of voltage-stablizer V1 passes through capacitor
C44 ground connection, the 2nd foot of voltage-stablizer V1 are also connected with the voltage rating of+5V, and the 2nd foot of voltage-stablizer V1 also passes through capacitor C77
Ground connection.
It includes: receiver of remote-control sytem IC1 that the remote control coding, which receives circuit 7, the 1st foot of receiver of remote-control sytem IC1 and MCU core
The connection of the 16th foot of piece U1, the 2nd foot of the receiver of remote-control sytem IC1 ground connection, the 3rd foot of receiver of remote-control sytem IC1 are connect by capacitor C8
Ground, the 3rd foot of receiver of remote-control sytem IC1 also pass through resistance R10 and are connected to+5V voltage rating.
It includes: triode Q11 that the buzzing, which promotes sound switching circuit, and the triode Q11 is NPN triode, and described three
Pole pipe Q11 emitter ground connection, the triode Q11 collector are connect with the one end loudspeaker LS1, and the loudspeaker LS1 other end passes through
Resistance R9 is connect with the voltage rating of+5V, and the triode Q11 base stage is connect by resistance R6 with buzzing.
The LED display backlight circuit 9 includes: triode Q22, the triode Q22 be NPN triode, described three
Pole pipe Q22 emitter ground connection, the triode Q22 base stage are connect by resistance R77 with backlight, the triode Q22 collector
It is connect with diode D11 cathode, the diode D11 is in parallel with diode D22, and the diode D11 anode passes through resistance R12
It is connect with the voltage rating of+5V, the diode D22 anode is connect by resistance R13 with the voltage rating of+5V, two pole
Pipe D11 and diode D22 is light emitting diode.
The working principle of the utility model is:
Current rectifying and wave filtering circuit 1:AC220V alternating current is accessed by plant-grid connection mouth J1, by connecting power switch access port J2
It powers to circuit, by D1, D2, D3, D4 diode rectification, C1, C2 filter to obtain direct current electric main.DC-DC Switching Power Supply
2 part of circuit, mainly by power supply chip Y1, transformer T1, the elements such as optocoupler Z1 composition.The direct current that upper level obtains is electrically accessed change
To cathode using power supply chip Y1, power supply chip Y1 does switch motion with certain frequency to the primary coil of depressor T1, allows,
The electric current that the primary of transformer T1 is regularly changing flows through, and changing magnetic field is generated, to meet the secondary wire of transformer T1
Circle generates electrification pressure in secondary coil.Resistance R1, capacitor C3, diode D6 connect at the both ends of the primary coil of transformer, are used for
The inverse electromotive force that transformer T1 primary coil generates when absorbing U1 switch motion.The induced voltage of transformer T1 secondary coil passes through
Diode D7 rectification is crossed, capacitor C4 filtering obtains a direct current again, arrives through resistance R4, the light-operated end of optocoupler Z1, diode D8
Cathode, form a sampling pressure stabilizing feed circuit.Pressure stabilizing value is determined by the reversed avalanche voltage of diode D8, works as diode
The DC voltage value that D7, capacitor C4 rectifying and wave-filtering obtain is higher than diode D8 avalanche voltage, the light-operated end electric conduction of power supply chip Y1
Pressure, resistance R4 partial pressure value three voltage and when, can there is electric current to flow through in circuit in resistance R4, power supply chip Y1, diode D8,
The controlled end of optocoupler Z1 can be connected, and the positive terminal voltage of capacitor C5 grows tall, i.e., it is super to obtain output voltage for the 3rd foot of power supply chip Y11
High feedback signal, power supply chip Y1 will adjust automatically transformer T1 primary coil on state, to drop bottom transformer T1
Secondary induction voltage, so that obtaining stable output voltage is supplied to late-class circuit.Heater load J3 switching circuit, by power supply
Chip Y1 sends low and high level and opens or closes triode Q1 collector to triode Q1 base stage to emitter current, to connect
The coil current of on-off open relay controls the heater power source for connecting or disconnecting and being connected at heater load J3.Water
Pump load switching circuit of power supply 4 sends low and high level by MUC chip and opens or closes triode to triode Q2 base stage, from
And it is switched on or switched off the water pump load power source being connected at water pump load J4.LED shows that mainboard controls access port J7, passes through this
Interface sets up the control loop with master control borad.Water level sensor access port J5, can be with temperature for an external resistance value
The sensor element that changes and can change.Temperature sensor access port J6 is used for an external temperature sensing device.
Voltage-stablizer V1 is 5V voltage stabilizing chip, and the 12V power voltage step down pressure stabilizing that Switching Power Supply part is brought is passed through electricity to 5V
Hold C44, capacitor C77 filtering again for MUC chip U1 below and it is other be circuit part use；Receiver of remote-control sytem IC is RJ, infrared
Line or bluetooth etc., the encoded data signal of remote controler transmitting pass to MUC chip U1, then by MUC core by remote-control receiving circuit
Piece U11 decoding generates corresponding instruction, exports high level or low level via MUC chip U1 output pin to open or close three poles
Pipe Q11 heating load and the load of triode Q22 water pump.If remote-transmitter is temperature settings, MUC chip U1 can be constant temperature
Temperature value is stored in EEPROM, for comparing with the actual temperature value that temperature sensor reads back, when actual temperature value is higher than
When the setting value being stored in EEPOM, heating load is closed, it is on the contrary then open heating load.Corresponding behaviour is executed according to program
It controls；Buzzer prompt switch circuit is used to that prompting water level is too low and heater circuit is opened a way alarm function；LED display backlight
Circuit 9 is used to light backlight of two LED light emitting diodes as LCD；The temperature detection input port of MUC chip U1 is read real
Border temperature value reads to obtain water level situation by the water level detecting input port of MUC chip U1.Actual temperature value judges for main control chip
When open when heating load closes heating load, to achieve the purpose that automatic constant-temperature.Water level detecting value judges for MUC chip U1
Water number, if water not enough if close heating load and open buzzer warning by force.MUC chip U1 is actual temperature
The a few thing information of value, setting temperature value and water position status etc. is transferred to LED panel display driving by data transmission mouth
M1, LED panel display driving M1 these data are shown by display screen again, recognize people the open-and-shut work for knowing it
Make state.Power switch access port J2 connection LCD screen.LED shows that mainboard control access port J7 is entered with MCU burning program.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (10)
1. a kind of modular circuit applied to thermostat heating characterized by comprising power circuit and main control circuit,
The power circuit includes: current rectifying and wave filtering circuit, DC-DC switching power circuit, heating load switching circuit of power supply, water pump load
Switching circuit of power supply, plant-grid connection mouth J1, power switch access port J2, heater load J3, water pump load J4, water level sensor
Access port J5, temperature sensor access port J6, LED show that mainboard controls access port J7, and the current rectifying and wave filtering circuit is opened with DC-DC
Powered-down source circuit connection；
The main control circuit include: LED display access circuit, remote control coding receive circuit, buzzing prompt tone switching circuit,
LED display backlight circuit, MCU main control IC and LED display driver circuit, power panel access port H1, the LED display connect
Enter to use the voltage-stablizer V1 of model LM78L05 in circuit, is used in the MCU main control IC and LED display driver circuit
Model is used in the MCU chip U1, the MCU main control IC and LED display driver circuit of model BS84B801-20
The LED panel display driving M1 of TM1621D, the power panel access port H1 connection corresponding with plant-grid connection mouth J1.
2. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the rectification
Filter circuit includes: diode D1, diode D3, and the diode D1 anode passes through resistance wire J1 and the 2nd foot of plant-grid connection mouth
Connection, the power supply connection of plant-grid connection the mouth J1 and AC220V, the diode D3 cathode and power switch access port J2's
The connection of 1st foot, the 1st foot of the power switch access port J2 are also connect with heater load, the power switch access port J2
3rd foot is connect with the 1st foot of plant-grid connection mouth J1, and the diode D3 anode is connect by capacitor C1 with diode D1 cathode, institute
It is in parallel with capacitor C2 to state capacitor C1, the diode D3 cathode is also connect with diode D4 anode, diode D4 cathode and two poles
The connection of pipe D1 cathode, the diode D1 anode are also connect with diode D2 cathode, the diode D2 anode and diode D3
Anode connection, the diode D2 anode are also grounded.
3. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the DC-
DC switching power circuit includes: power supply chip Y1, and the 5th foot of power supply chip Y1, the 6th foot, the 7th foot, the 8th foot are in parallel, described
The 5th foot of power supply chip Y1 is just connect pole one end with transformer T1, and the 5th foot of power supply chip Y1 also connects with diode D6 anode
It connecing, by capacitor C3, just the pole other end is connect the diode D6 cathode with transformer T1, and the capacitor C3 is in parallel with resistance R1,
Just the pole other end is connect the transformer T1 with capacitor C2 anode, and the 4th foot of power supply chip Y1 is connect with optocoupler Z1 output end,
The optocoupler Z1 output end is connect with the 3rd foot of power supply chip Y1, and the 3rd foot of power supply chip Y1 also passes through capacitor C5 and is grounded, institute
It states the 2nd foot of power supply chip Y1 to connect with the 1st foot of power supply chip Y1, the 1st foot of power supply chip Y1 passes through capacitor C6 and power supply core
The 4th foot of piece Y1, the 1st foot of power supply chip Y1 ground connection are provided with diode D7 on the one end of T1 pole of the transformer, and described two
Pole pipe D7 cathode shows that the 1st foot of master control borad access port J7 is connect with LED, and T1 pole other end of the transformer and LED display are led
The connection of the 2nd foot of plate access port J7 is controlled, the LED shows that the connection of the 1st foot of master control borad access port J7 is also connect with diode D8 anode,
The diode D8 cathode is connect with optocoupler Z1 input terminal, and the optocoupler input also passes through resistance R4 and LED and shows master control borad
The connection of the 1st foot of access port J7, the LED shows that the 5th foot of master control borad access port J7 is connect with temperature sensor access port J5, described
LED shows that the 6th foot of master control borad access port J7 is connect with water level sensor access port J6.
4. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the water pump
Load supplying switching circuit includes: triode Q2, and the triode Q2 is NPN type triode, and the triode Q2 emitter connects
Ground, the collector of the triode Q2 connects with the 1st foot of water pump load J4, and the 2nd foot that the water pump loads J4 is connected with+
The base stage of the voltage rating of 12V, the triode Q2 shows that the 3rd foot of master control borad access port J7 is connect with LED, the triode Q2
Base stage also pass through resistance R2 and be grounded.
5. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the heating
Load supplying switching circuit includes: triode Q1, and the triode Q1 is NPN type triode, and the triode Q1 emitter connects
Ground, the triode Q1 base stage show that the 4th foot of master control borad access port J7 is connect with LED, the triode Q1 collector and two poles
The connection of pipe D5 anode, the diode D5 cathode are connect with the voltage rating of+12V, and bridging has load to open on the diode D5
A1 is closed, the one end the load switch A1 is connect with the 1st foot of heater load J3, the load switch A1 other end and plant-grid connection
Mouth the 2nd foot connection.
6. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the MCU
In main control IC and LED display driver circuit, the 1st foot of MCU chip U1 is connect with desuperheat switch panel, the MCU chip U1 the 2nd
Foot is connect with heating switch panel, and the 3rd foot of MCU chip U1 is connect with heater switch panel, the 4th foot of MCU chip U1
It is connect with sleep switch panel, the 5th foot of MCU chip U1 is connect with time switch panel, and the 9th foot of MCU chip U1 connects
Ground, the 10th foot of MCU chip U1 are connect with+5V voltage rating, and the 10th foot of MCU chip U1 also passes through capacitor C33 and is grounded,
The 11st foot of MCU chip U1 is connect with temperature-detecting device, the 12nd foot of MCU chip U1 and LED panel display driving M1
The connection of 12nd foot, the 13rd foot of MCU chip U1 show that driving the 11st foot of M1 is connect with LED panel, the MCU chip U1 the 15th
Foot is connect with buzzing, and the 16th foot of MCU chip U1 and remote control coding receive circuit connection, the 17th foot of MCU chip U1 with
Water-level detecting device connection, the 16th foot of MCU chip U1 are connect by resistance R55 with heater switch, the MCU chip U1 the
19 feet are connect by resistance R44 with pump switch, and the 20th foot of MCU chip U1 is connect with backlight, and the LED panel display is driven
Dynamic the 13rd foot of M1 ground connection, LED panel display driving the 14th foot of M1 pass through resistance R11 and LED panel display driving M1 the 15th
Foot connection, LED panel display driving the 15th foot of M1 are connected with+5V voltage rating.
7. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the LED
In display screen access port circuit the 2nd foot of power panel access port H1 be grounded, the 2nd foot of power panel access port H1 also pass through capacitor C11 with
The connection of the 1st foot of power panel access port H1, the 3rd foot of power panel access port H1 connect pump switch, the power panel access port
The 4th foot of H1 connects heater switch, and the 5th foot of power panel access port H1 is connect by resistance R12 with+5V voltage rating, described
The 5th foot of power panel access port H1 also passes through resistance R33 and connect with water-level detecting device, and the resistance R33 also passes through capacitor C55 and connects
Ground, the 6th foot of power panel access port H1 are connected to the voltage rating of+5V, the power panel access port H1 the 6th by resistance R22
Foot also passes through resistance R88 and connect with temperature detection, and the resistance R88 is grounded by capacitor C22, the power panel access port H1
1 foot is connected with the voltage rating of+12V, the 1st foot of power panel access port H1 also with the voltage-stablizer V1 in LED display circuit
The connection of 3rd foot, the 1st foot of the voltage-stablizer V1 ground connection, the 2nd foot of voltage-stablizer V1 are grounded by capacitor C44, the voltage-stablizer V1
2nd foot is also connected with the voltage rating of+5V, and the 2nd foot of voltage-stablizer V1 also passes through capacitor C77 and is grounded.
8. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the remote control
It includes: receiver of remote-control sytem IC1 that coding, which receives circuit, and the 1st foot of receiver of remote-control sytem IC1 is connect with the 16th foot of MCU chip U1, institute
The 2nd foot of receiver of remote-control sytem IC1 ground connection is stated, the 3rd foot of receiver of remote-control sytem IC1 is grounded by capacitor C8, the receiver of remote-control sytem
The 3rd foot of IC1 also passes through resistance R10 and is connected to+5V voltage rating.
9. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the buzzing
Promoting sound switching circuit includes: triode Q11, and the triode Q11 is NPN triode, and the triode Q11 emitter connects
Ground, the triode Q11 collector are connect with the one end loudspeaker LS1, and the loudspeaker LS1 other end passes through the volume of resistance R9 and+5V
Constant voltage connection, the triode Q11 base stage are connect by resistance R6 with buzzing.
10. a kind of modular circuit applied to thermostat heating according to claim 1, which is characterized in that the LED
Display backlight circuit includes: triode Q22, and the triode Q22 is NPN triode, and the triode Q22 emitter connects
Ground, the triode Q22 base stage are connect by resistance R77 with backlight, the triode Q22 collector and diode D11 cathode
Connection, the diode D11 is in parallel with diode D22, and the diode D11 anode passes through the voltage rating of resistance R12 and+5V
Connection, the diode D22 anode are connect by resistance R13 with the voltage rating of+5V, the diode D11 and diode D22
For light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012047.6U CN209044398U (en) | 2018-12-03 | 2018-12-03 | A kind of modular circuit applied to thermostat heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012047.6U CN209044398U (en) | 2018-12-03 | 2018-12-03 | A kind of modular circuit applied to thermostat heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209044398U true CN209044398U (en) | 2019-06-28 |
Family
ID=67044073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822012047.6U Active CN209044398U (en) | 2018-12-03 | 2018-12-03 | A kind of modular circuit applied to thermostat heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209044398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384951A (en) * | 2021-12-14 | 2022-04-22 | 安徽皖仪科技股份有限公司 | Constant temperature system for conductivity detector and control method |
-
2018
- 2018-12-03 CN CN201822012047.6U patent/CN209044398U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114384951A (en) * | 2021-12-14 | 2022-04-22 | 安徽皖仪科技股份有限公司 | Constant temperature system for conductivity detector and control method |
| CN114384951B (en) * | 2021-12-14 | 2023-04-07 | 安徽皖仪科技股份有限公司 | Constant temperature system for conductivity detector and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201845248U (en) | Intelligent controller for aquarium | |
| CN102265481A (en) | Intuitive electronic circuit | |
| CN204761801U (en) | Intelligence gate light control system | |
| CN209044398U (en) | A kind of modular circuit applied to thermostat heating | |
| CN205657669U (en) | General intelligent control switch who gets electricity with type list fire | |
| CN202042874U (en) | Intelligent malignant load identification controller | |
| CN206338938U (en) | Air-source water heater remote intelligent control system | |
| CN108488948A (en) | Air conditioner, air conditioner control system and outdoor unit switch circuit | |
| CN209608906U (en) | Intelligent lighting controller and lighting system | |
| CN204636020U (en) | A kind of drinking-humidifying all-in-one | |
| CN204460600U (en) | A kind of human body sensing nobody automatically close remote controller | |
| CN206919129U (en) | A kind of adjustable switching mode room thermostat of power supply | |
| CN207234064U (en) | A kind of intelligent socket based on Internet of Things | |
| CN205594475U (en) | Shui nationality box controller can report to police based on infrared remote control and LCD | |
| CN205902151U (en) | LED wireless receiving controller | |
| CN213987214U (en) | Humiture intelligent acquisition and light control system based on single live wire | |
| CN201708999U (en) | Touch led controller | |
| CN108777403B (en) | Closed loop type intelligent infrared remote control socket | |
| CN207318976U (en) | A kind of non-contact switch control system | |
| CN104202890B (en) | The stand-by circuit of luminaire and the operating circuit of luminaire | |
| CN202176497U (en) | Wireless intelligentized control device of water pump | |
| CN208891094U (en) | A kind of LED lamp driving power | |
| CN202503734U (en) | Pyroelectric infrared controlled light-emitting diode (LED) lamp power supply | |
| CN202888790U (en) | Resettable over/under-voltage protector based on one-chip microcomputer | |
| CN106937467B (en) | The long-range APP of incandescent lamp intelligent switch synchronous method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |