CN207503070U - A kind of multiple-supplying frequency conversion heat pump control device - Google Patents
A kind of multiple-supplying frequency conversion heat pump control device Download PDFInfo
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- CN207503070U CN207503070U CN201721661035.5U CN201721661035U CN207503070U CN 207503070 U CN207503070 U CN 207503070U CN 201721661035 U CN201721661035 U CN 201721661035U CN 207503070 U CN207503070 U CN 207503070U
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Abstract
The utility model discloses a kind of multiple-supplying frequency conversion heat pump control devices, including inner panel circuit, outside plate circuit and frequency-variable controller, the inner panel circuit is equipped with inner panel power supply circuit, first MCU, liquid crystal display, touch key-press circuit and the multichannel inner panel outputting circuit for relay for being controlled by the first MCU, the outside plate circuit is equipped with the outside plate power supply circuit identical with inner panel power supply circuit, electric expansion valve output circuit, 2nd MCU, and it is controlled by the multichannel outside plate outputting circuit for relay of the 2nd MCU, first MCU and the 2nd MCU carries out data exchange by RS-485 communicating circuits, 2nd MCU exports control signal by RS-485 communicating circuits to frequency-variable controller.The utility model, which provides, can extend the compressor service life of multi-joint heat pump system, reduce wiring complexity when multi-joint heat pump is installed and the difficulty of later maintenance, raising temperature sensor transmit the intensity of signal, the good heat pump control device of heating effect.
Description
Technical field
The utility model is related to clean energy resource plant control unit technical field, more particularly to a kind of multiple-supplying frequency conversion heat pump
Control device.
Background technology
With the propulsion of " coal changes clean energy resource " engineering northern during " 13 ", government pushes greatly in northern China rural area
Wide heat pump heating scheme.The performance of heat pump is evaluated using coefficient of refrigerating performance (the COP coefficients of performance), and the definition of coefficient of refrigerating performance is by low
Warm object passes to the ratio between the heat of high temp objects and required power.The coefficient of refrigerating performance of usual heat pump is 3-4 or so, that is,
Say that heat pump need to only consume a electric energy and can be transmitted to 3-4 parts of thermal energy on high temp objects from cryogenic object.Therefore with biography
The electrical heating of system or coal-burning boiler are compared, and heat pump heating scheme can save 75% energy.
In response to the call of government, meets the needs of broad masses of the people, major electric appliance manufacturer is proposed multi-joint heat supply
Pumping system, multi-joint heat pump system are generally all integrated with the multiple functions such as refrigeration, heating and hot water supply.Multi-joint heat pump system
It is general all to set indoors there are one buffer tank, the water source that heat pump system heats out can continuous constant temperature be stored in buffer tank
In, for the hot water in buffer tank for floor heating water source and supply domestic hot-water, the operation of heat pump system is by measuring buffered water
Water temperature in case judges indoor temperature, while is compared with being arranged on outdoor temperature sensor and carries out control work
's.Sometimes, in order to increase the efficiency for obtaining domestic hot-water, one and buffered water generally can also be increased in multi-joint heat pump system
The electric heating water tank of case connection.
But in the installation process of multi-joint heat pump system, this problem will often find that, producer sets for convenience
Meter and saving cost, are only configured one piece of control mainboard, therefore in installation process to the control device of multi-joint heat pump system, point
Not An Zhuan the equipment of indoor and outdoors be frequently necessary to complicated wiring and connection, staggered since long conducting wire is mutually in disorder
Short circuit phenomenon easily occurs for arrangement, and connecting up complexity causes later period maintenance difficult.Simultaneously because need long wall-penetrated conducting wire
Signal is transmitted, causes the faint electric signal that the data of temperature sensor are transmitted in the process with other controls that may be interfered very
To loss.And existing multi-joint heat pump system realizes the adjusting of system by frequently switching compressor, due to heat source
It often disappears suddenly, the temperature that causes to warm oneself substantially quickly changes, not only influence heating effect, the also serious compressor that shortens
Service life.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of pressures that can extend multi-joint heat pump system
The contracting machine service life reduces wiring complexity when multi-joint heat pump is installed and the difficulty of later maintenance, improves temperature sensor biography
The good heat pump control device of the intensity of delivery signal, heating effect, i.e., a kind of multiple-supplying frequency conversion heat pump control device.
Technical solution is used by the invention for solving the technical problem：
A kind of multiple-supplying frequency conversion heat pump control device, including inner panel circuit, outside plate circuit and frequency-variable controller,
The inner panel circuit is equipped with inner panel power supply circuit, the first MCU, liquid crystal display, touch key-press circuit and controlled
It can be into the first MCU output signals in being provided on the multichannel inner panel outputting circuit for relay of the first MCU, the inner panel circuit
Plate temperature sensor, the touch key-press circuit can be shown to the first MCU output signals, and by liquid crystal display；
The outside plate circuit be equipped with the outside plate power supply circuit identical with inner panel power supply circuit, electric expansion valve output circuit,
2nd MCU and the multichannel outside plate outputting circuit for relay for being controlled by the 2nd MCU, the 2nd MCU can be defeated to electric expansion valve
Go out the level signal that circuit transmits control electric expansion valve opening degree, being provided on the outside plate can be to the 2nd MCU output signal
Outside plate temperature sensor；
The inner panel circuit is equipped with RS-485 communicating circuits all the way, and the outside plate circuit is equipped with two-way RS-485 communication electricity
Road, the first MCU and the 2nd MCU carry out data exchange by RS-485 communicating circuits, and the 2nd MCU passes through RS-485
Communicating circuit exports control signal to frequency-variable controller.
Further, the inner panel outputting circuit for relay includes No. three relay controls：Threeway valve relay, air conditioner electric add
Electrothermal relay and hot water electrical heating relay, the outside plate outputting circuit for relay include No. nine relay controls：Condenser electricity
Heating relay, compressor relay, plate change electrical heating relay, heating cycle pump relay, hydrojet solenoid relay valve, song
Axis electrical heating relay, wind turbine relay, four-way valve relay and water pump relay；The inner panel temperature sensor includes buffering
Water tank temperature sensor, electric heating water tank temperature sensor and indoor environment temperature sensor, the outside plate temperature sensor packet
Include outdoor environment temperature sensor, heating coil temperature sensor, suction temperature sensor, exhaust gas temperature sensor, chill plate
Pipe temperature sensor, air-conditioning inflow temperature sensor and air-conditioner water outlet temperature sensor.
Further, the inner panel temperature sensor further includes solar water container temperature sensor, and the inner panel relay is defeated
The relay control for going out circuit further includes solar energy water pump relay and solar energy commutation valve relay.
Further, the inner panel circuit further includes to select type and input hydraulic pressure, flow velocity and emergency button amount
Dial multiplex circuit, and the dialing multiplex circuit includes several switches and two pieces are incorporated to and go here and there out 8 bit shift registers, and two pieces are incorporated to
8 bit shift registers of going here and there out form one 15 be incorporated to and go here and there out shift register, switch and go here and there out 8 displacements through pull-up resistor and being incorporated to
The parallel data input pin connection of bit register.
Further, the driving circuit for level conversion is further included, the driving circuit drives core by Darlington transistor array
Piece is formed, and the first MCU exports the level signal for controlling relay, then export and give inner panel relay to driving circuit；Institute
The 2nd MCU is stated to export the level signal for controlling relay, then export and give outside plate relay to driving circuit.
Further, the touch key-press circuit includes 8 channel touch key-press IC and several capacitance type touch keys, the electricity
The input pin of 8 channel touch key-press IC is connected to after appearance formula touch key-press is in series with a resistor by a filter capacitor, then passes through 8
The output pin of channel touch key-press IC is connected to the first MCU units.
Further, the inner panel temperature sensor is connected to drawing for the first MCU by a pull-up resistor and a filter capacitor
On foot；The outside plate sensor is connected to by a pull-up resistor and a filter capacitor on the pin of the 2nd MCU.
Further, the inner panel circuit further includes storage circuit, and the storage circuit is by the read-only storage of electric erazable programmable
Device is formed, and the first MCU can read command signal from Electrically Erasable Programmable Read-Only Memory.
Further, the inner panel circuit further includes clock circuit, and the clock circuit is equipped with independent crystal oscillator circuit and independence
5V DC power supplies, institute's clock circuit to the first MCU export clock signal.
Further, the power supply circuit includes primary transforming circuit and secondary transforming circuit, and power supply circuit is by 220V/50Hz
Alternating current carries out transformer pressure-reducing, then carry out rectification, voltage stabilizing and filtering by secondary transforming circuit by primary transforming circuit, is
Inner panel circuit and the power supply of outside plate circuit.
The beneficial effects of the utility model are：A kind of multiple-supplying frequency conversion heat pump control device that the utility model uses, root
Characteristic and practical feature according to multiple-supplying frequency conversion heat pump, the veneer circuit design with inconvenience and defect is improved to
Outside plate circuit mounted on indoor inner panel circuit and mounted on outdoor, inner panel circuit and outside plate circuit are respectively designed with independent
MCU, and outer distribution situation indoors when being installed according to each component of heat pump system, will control the relay of corresponding component to export electricity
Road is arranged on the corresponding side of wall, while the temperature parameter of indoor and outdoor all parts that when control system for heat pump is operated needs
Also it is directly installed on respectively on corresponding plank, and by the RS-485 communications protocol progress inner panel with anti-interference and outside
Data exchange between plate is carried out real-time operation control using the touch key-press circuit on inner panel and and is carried out using LCD screen
Real time information is shown, has great convenience for the user to operate.For wiring simple and beautiful, be easily installed, circuit cabling is clear, no
Easily occur staggeredly to tangle and lead to occur short circuit accident, and the design of double plates can also be convenient for changing in later period maintenance, be saved
Cost-saving.For the angle transmitted from signal, the temperature sensor of indoor and outdoors directly exports simultaneously to corresponding MCU to be believed
Number, eliminating temperature sensor, easily generation data are done during transmission in long conducting wire to the analog voltage signal that MCU is exported
Phenomena such as disturbing, being distorted ensure that heat pump system runs the precision of the reliability during control.Further, in order to solve to compress
Machine takes place frequently startup and the problem of closing leads to its lost of life, increases a frequency-variable controller in heat pump system, and pass through
First MCU of RS-485 communicating circuits and inner panel carries out data exchange, and the first MCU leads to according to the parameters of inner panel and outside plate
It crosses after pre-set programs are judged, corresponding control instruction is sent to frequency-variable controller, to ensure that the method using frequency conversion reduces
The on-off times of compressor, while it is also ensured that heat pump system heating one continuous warming effect of realization, avoids compression
Machine opens rapid temperature shock caused by closing suddenly.
Description of the drawings
The utility model is described in further detail with example below in conjunction with the accompanying drawings.
Fig. 1 is a kind of system structure diagram of multiple-supplying frequency conversion heat pump control device of the utility model；
Fig. 2 is a kind of first MCU circuit diagrams of multiple-supplying frequency conversion heat pump control device of the utility model；
Fig. 3 is a kind of 2nd MCU circuit diagrams of multiple-supplying frequency conversion heat pump control device of the utility model；
Fig. 4 is a kind of circuit diagram of multiple-supplying frequency conversion heat pump control device dialing multiplex circuit of the utility model；
Fig. 5 is that a kind of multiple-supplying frequency conversion heat pump control device part outputting circuit for relay of the utility model and part drive
The circuit diagram of circuit；
Fig. 6 is a kind of circuit diagram of multiple-supplying frequency conversion heat pump control device touch key-press circuit of the utility model；
Fig. 7 is a kind of multiple-supplying frequency conversion heat pump control device temperature sensor installation circuit diagram of the utility model；
Fig. 8 is the circuit diagram of a kind of multiple-supplying frequency conversion heat pump control device storage circuit of the utility model and clock circuit；
Fig. 9 is a kind of multiple-supplying frequency conversion heat pump control device primary transforming circuit of the utility model and secondary transforming circuit
Circuit diagram；
Figure 10 is a kind of circuit diagram of the RS-485 communicating circuits of multiple-supplying frequency conversion heat pump control device of the utility model；
Figure 11 is a kind of driving circuit of multiple-supplying frequency conversion heat pump control device liquid crystal display of the utility model.
Specific embodiment
Reference Fig. 1-Figure 11, a kind of multiple-supplying frequency conversion heat pump control device of the utility model, including inner panel circuit, outside
Plate circuit and frequency-variable controller,
The inner panel circuit is equipped with inner panel power supply circuit, the first MCU, liquid crystal display, touch key-press circuit and controlled
It can be into the first MCU output signals in being provided on the multichannel inner panel outputting circuit for relay of the first MCU, the inner panel circuit
Plate temperature sensor, the touch key-press circuit can be shown to the first MCU output signals, and by liquid crystal display；
The outside plate circuit be equipped with the outside plate power supply circuit identical with inner panel power supply circuit, electric expansion valve output circuit,
2nd MCU and the multichannel outside plate outputting circuit for relay for being controlled by the 2nd MCU, the 2nd MCU can be defeated to electric expansion valve
Go out the level signal that circuit transmits control electric expansion valve opening degree, being provided on the outside plate can be to the 2nd MCU output signal
Outside plate temperature sensor；
The inner panel circuit is equipped with RS-485 communicating circuits all the way, and the outside plate circuit is equipped with two-way RS-485 communication electricity
Road, the first MCU and the 2nd MCU carry out data exchange by RS-485 communicating circuits, and the 2nd MCU passes through RS-485
Communicating circuit exports control signal to frequency-variable controller.
Wherein, the inner panel outputting circuit for relay includes No. three relay controls：Threeway valve relay, air-conditioning electrical heating
Relay and hot water electrical heating relay, the outside plate outputting circuit for relay include No. nine relay controls：Condenser electricity adds
Electrothermal relay, compressor relay, plate change electrical heating relay, heating cycle pump relay, hydrojet solenoid relay valve, bent axle
Electrical heating relay, wind turbine relay, four-way valve relay and water pump relay；The inner panel temperature sensor includes buffered water
Case temperature sensor, electric heating water tank temperature sensor and indoor environment temperature sensor, the outside plate temperature sensor include
Outdoor environment temperature sensor, heating coil temperature sensor, suction temperature sensor, exhaust gas temperature sensor, refrigeration coil
Temperature sensor, air-conditioning inflow temperature sensor and air-conditioner water outlet temperature sensor.
In order to reach further energy-saving effect, the energy at different levels are made full use of, the inner panel temperature sensor further includes too
It is positive can water tank temperature sensor, the relay control of the inner panel outputting circuit for relay further include solar energy water pump relay and
Solar energy commutation valve relay.When solar energy abundance, the domestic water of solar energy heating is opened into solar energy reversal valve,
The domestic water of solar energy heating is transported in the water tank that multi-joint heat pump system stores domestic water by solar water pump,
While energy saving, the source of thermal energy is also increased, ensure that the stability of heating.
In order to be adapted to the heat pump system of different type of machines, the inner panel circuit further include for select type and input hydraulic pressure,
The dialing multiplex circuit of flow velocity and emergency button amount, the dialing multiplex circuit includes several switches and two pieces are incorporated to and go here and there out 8
Bit shift register, two pieces are incorporated to and go here and there out 8 bit shift registers and form one 15 be incorporated to and go here and there out shift register, switch through upper
Pull-up resistor is gone here and there out the parallel data input pins of 8 bit shift registers and is connect with being incorporated to.In use, in the storage core of storage circuit
Different types is corresponded in piece with different operation control routines, the switch of corresponding type is stirred by the multiplex circuit that dials
Amount, can realize that multiple switch amount is incorporated to and go here and there out, it is only necessary to a pin of the first MCU is occupied, it is complete under multiple clock signals
Into plane type recognition.Preset program can also be coordinated to adjust hydraulic pressure by the switching value that the dialing multiplex circuit inputs simultaneously high
Low, flow velocity size and realization emergency button, can realize emergent management to avoid when touch key-press is out of order in this way.
In order to improve driving forces of two pieces of MCU to relay, the driving circuit for level conversion, the drive are further included
Dynamic circuit is made of Darlington transistor array driving chip, and the first MCU will control the level signal of relay to driving circuit
Output, then export and give inner panel relay；2nd MCU exports the level signal for controlling relay, then defeated to driving circuit
Go out and give outside plate relay.By the setting of driving chip, output voltage can be not only improved, but also also avoid relay circuit
Influence to MCU ensure that the stability of MCU control processes.
The touch key-press circuit includes 8 channel touch key-press IC and several capacitance type touch keys, the capacitive touch
Touch button it is in series with a resistor after the input pin of 8 channel touch key-press IC is connected to by a filter capacitor, then touch by 8 channels
The output pin for touching button IC is connected to the first MCU units.Filter capacitor has filtered out influence capacitance type touch key acquisition letter
Environmental disturbances amount in number improves the quality of input signal.
The inner panel temperature sensor is connected to by a pull-up resistor and a filter capacitor on the pin of the first MCU；Institute
Outside plate sensor is stated to be connected on the pin of the 2nd MCU by a pull-up resistor and a filter capacitor.Pass through pull-up resistor and filter
Wave capacitance ensure that the stability and reliability of temperature sensor input signal, and the data of temperature sensor are entire heat pump systems
The key parameter of control, therefore the reliable and stable quality for also determining entire heat pump system of these data.
The inner panel circuit further includes storage circuit, and the storage circuit is made of Electrically Erasable Programmable Read-Only Memory,
First MCU can read command signal from Electrically Erasable Programmable Read-Only Memory.Storage circuit fills for storing heat pump control
Program during operation is put, ability can completely realizes this heat pump system under the collective effect of control device hardware and software program
Control work.
The inner panel circuit further includes clock circuit, and the clock circuit is equipped with independent crystal oscillator circuit and independent 5V direct currents
Power supply, institute's clock circuit export clock signal to the first MCU.Clock circuit can realize timing function, and can will be in system
The parameter set for the first time after electricity is stored in the storage chip that clock chip in clock circuit carries, as extensive after unexpected power down
Multiplexing.
The power supply circuit includes primary transforming circuit and secondary transforming circuit, and power supply circuit is by 220V/50Hz alternating currents
Transformer pressure-reducing is carried out, then carry out rectification, voltage stabilizing and filtering by secondary transforming circuit by primary transforming circuit, is inner panel electricity
Road and the power supply of outside plate circuit.Safety AC after being depressured according to the needs of real work circuit from primary transforming circuit
Electricity since there are circuit of three-terminal voltage-stabilizing integrated in secondary transforming circuit, can also obtain stabilization from secondary transforming circuit
Direct current supply MCU.
The utility model includes following several operational modes：
1. refrigeration mode -- 8-28 DEG C of room cryogenic temperature setting value TSETC ranges, 12 DEG C of preliminary set time；Turn
To solenoid valve (triple valve) dead electricity, four-way valve obtains electric, and water pump is opened；Outer wind turbine has two grades of wind, by environment temperature determine out high wind or
Low wind (forcing to open high wind during environmental bug)：Compressor is according to the value of air conditioning water tank temperature TWB2 and refrigeration set temperature TSETC
To determine start-stop；
2. heating mode -- 18-65 DEG C of room heating desired temperature TSETH ranges, 25 DEG C of preliminary set time.Just
Normal heating operation, turns to solenoid valve dead electricity, four-way valve dead electricity, and water pump is opened；Wind turbine has two grades of wind, and high wind is determined out by environment temperature
Or low wind；Compressor determines start-stop according to the value of air conditioning water tank temperature TWB2 and heating set temperature TSETH；
3. hot-water mode -- 30-60 DEG C of water tank heating desired temperature TWBSET ranges, 50 DEG C of preliminary set time；
Normal heating operation turns to solenoid valve and obtains electric, and four-way valve dead electricity, water pump is opened；Wind turbine has two grades of wind, and height is determined out by environment temperature
Wind or low wind；Compressor determines start-stop according to the value of hot water temperature TWB1 and heating set temperature TSETH；
4. solar energy auxiliary heating mode-pass through solar energy water pump relay and the solar energy valve relay that commutates and realize two
A water tank switching.When solar energy needs heating water tank, solar energy reversal valve obtains electric.
In addition, the utility model is additionally provided with defrosting function, under heating mode, when environment temperature below or equal to 15 DEG C and
Compressor adds up defrosting cycle time that cold operation reaches setting after forty minutes, carries out defrosting action, defrosting time reaches 8 points
The defrosting of clock backed off after random acts.
Following action is carried out when defrosting condition meets：Compressor and outer wind turbine are out of service, send out defrosting indication signal, defeated
Go out the signal that defrosts；Four-way valve obtains electric during 25S；Compressor start during 30S；Water pump runs well；
After defrosting exit criteria is met, defrosting is exited, compressor is out of service, and outer wind turbine brings into operation, four-way after 5S
Valve obtains electric；30 seconds compressor starts after fan operation, restore normal heating operation, and unit continuous operating time resets, sends out
Defrost end signal, stops output defrosting signal.
It is the control method of various output loadings below：
1. compressor -- compressor is closed and then is opened, and to have certain time interval, and time interval is 3 minutes；
2. water pump -- system request is switched on, and water pump prior to compressor is opened, after water system is allowed fully to recycle, then opened for 5 minutes
Compressor；System request is shut down, and water pump is just closed after five minutes after compressor stopping；During defrosting, water pump does not stop transporting
Row；
3. air-conditioning electrical heating -- meet following condition, water route electric heating is opened：Under defrosting mode, water route electric heating is opened；Winter
Season, two level was antifreeze, and water route electric heating is opened；When system is protected during air-conditioning heating pattern；Under air-conditioning heating mode state, environment
Temperature≤allow to start electrical heating set temperature；Meet one of following condition, water route electric heating is closed：Air-conditioning heating mode state
Under, environment allows to start+2 DEG C of electrical heating set temperature；Air conditioning water tank failure, water flow switch failure；Exit defrosting；Exit two level
It is antifreeze；Non- booting air-conditioning heating pattern；Air conditioning water tank temperature >=air conditioning water tank set temperature；
4. wind turbine -- outer wind turbine has two grades of wind speed, different from operating mode according to environment temperature and change；Heating mode
(hot water and air-conditioning heating), whens environment temperature >=30 DEG C, open low wind, and whens environment temperature≤28 DEG C opens high wind；Refrigeration mode, environment
Open high wind during temperature >=20 DEG C, whens environment temperature≤18 DEG C opens low wind；During unit booting operation, outer wind turbine is synchronous with water pump to be opened
(exogenous wind organ closes during defrosting)；Unit shutdown, disorderly closedown or constant temperature are delayed compressor and are closed for 5 seconds when shutting down；
5. four-way valve -- obtained during refrigeration it is electric, when defrosting obtain it is electric, it is other in the case of dead electricity；During refrigeration booting, four-way valve is stood
It opens, is opened within 5 seconds prior to water pump；When shutdown, disorderly closedown or constant temperature are shut down under refrigeration mode, four-way valve is after compressor
It closes within 2 minutes；During refrigeration mode → other patterns, compressor stops rear four-way valve dead electricity after 2 minutes；Other pattern → refrigeration modes
When, four-way valve powers on 5S rear fans and powers on；
6. bent axle electrical heating-outdoor temperature than it is relatively low when, to prevent outdoor refrigerant from freezing, when meeting following condition
Crankcase electrical heating works：Compressor is in off-mode；Outdoor environment temperature T environment≤15 DEG C；Meet in the following conditions and appoint
One closing：Compressor operating；Outdoor environment temperature T environment >=17 DEG C；
7. plate changes motor heat -- meet following all conditions, opening board changes electrical heating：Environment temperature is less than 9 DEG C；Unit
In defrosting, heating or hot-water mode, standby mode (including reaching warm shutdown)；Leaving water temperature TOUT≤4 DEG C；Meet following any
One condition closes plate and changes electrical heating：Environment temperature is higher than 9 DEG C；Refrigeration mode；Leaving water temperature TOUT >=8 DEG C；Environment temperature
Failure or leaving water temperature failure；
8. condenser electrical heating -- outdoor temperature than it is relatively low when, to prevent outdoor condenser bottom from freezing, under satisfaction
Condenser electrical heating work heating during noodles part：Booting heating (hot water) pattern；Outdoor environment temperature T environment≤2 DEG C；Meet with
Any bar is closed in lower condition：Non- heating (hot water) pattern；Outdoor environment temperature T environment >=4 DEG C；
9. hot water electrical heating -- when meeting the following conditions, hot water electrical heating is opened：Under hot-water mode, pressure
Contracting machine run 30 minutes after or disorderly closedown after five minutes；Hot water electrical heating closedown condition：Hot water temperature >=hot water setting
Temperature；
10. hydrojet solenoid valve -- compressor is opened and environment temperature ＜ valve opening set temperature (8 DEG C of default value, adjustable)
When, open hydrojet solenoid valve；When non-heating, hot-water mode, compressor closing or environment temperature >=+2 DEG C of valve opening set temperature, close
Close hydrojet solenoid valve；
11. conversion electromagnetic valve (triple valve) -- water tank heat when open, other patterns or shutdown when close (note：Hot water
When pattern and air-conditioning heating pattern are converted, compressor is not needed to close and be shut down.Only need to directly it be turned by turning to the switch of solenoid valve
Mold changing formula.)；
2nd MCU calls the frequency control set in storage circuit according to inner panel and the collected temperature data of outside plate
The compressor operating frequency data for needing to adjust are sent to frequency-variable controller by RS-485 communicating circuits, realize pressure by program
Contracting machine follows temperature converting operation, reduces compressor switch number, ensure that temperature moderate change, improves heat pump system
Efficiency.
The preferred embodiment of the above, only the utility model, the utility model are not limited to above-mentioned implementation
Mode as long as it reaches the technique effect of the utility model with identical means, should all belong to the scope of protection of the utility model.
Claims (10)
1. a kind of multiple-supplying frequency conversion heat pump control device, it is characterised in that：Including inner panel circuit, outside plate circuit and frequency control
Device,
The inner panel circuit is equipped with inner panel power supply circuit, the first MCU, liquid crystal display, touch key-press circuit and is controlled by the
The multichannel inner panel outputting circuit for relay of one MCU, being provided on the inner panel circuit can be to the inner panel temperature of the first MCU output signals
Sensor is spent, the touch key-press circuit can be shown to the first MCU output signals, and by liquid crystal display；
The outside plate circuit is equipped with the outside plate power supply circuit identical with inner panel power supply circuit, electric expansion valve output circuit, second
MCU and the multichannel outside plate outputting circuit for relay for being controlled by the 2nd MCU, the 2nd MCU can export electricity to electric expansion valve
The level signal of control electric expansion valve opening degree is transmitted on road, and being provided on the outside plate can be to the outer of the 2nd MCU output signals
Plate temperature sensor；
The inner panel circuit is equipped with RS-485 communicating circuits all the way, and the outside plate circuit is equipped with two-way RS-485 communicating circuits,
First MCU and the 2nd MCU carries out data exchange by RS-485 communicating circuits, and the 2nd MCU is led to by RS-485
It interrogates circuit and exports control signal to frequency-variable controller.
2. a kind of multiple-supplying frequency conversion heat pump control device according to claim 1, it is characterised in that：The inner panel relay
Output circuit includes No. three relay controls：Threeway valve relay, air-conditioning electrical heating relay and hot water electrical heating relay, institute
It states outside plate outputting circuit for relay and includes No. nine relay controls：Condenser electrical heating relay, compressor relay, plate change electricity
Heat relay, heating cycle pump relay, hydrojet solenoid relay valve, bent axle electrical heating relay, wind turbine relay, four-way
Valve relay and water pump relay；The inner panel temperature sensor includes buffer tank temperature sensor, electric heating water tank temperature
Sensor and indoor environment temperature sensor, the outside plate temperature sensor include outdoor environment temperature sensor, heating coil
Temperature sensor, suction temperature sensor, exhaust gas temperature sensor, refrigeration coil temperature sensor, air-conditioning inflow temperature sensing
Device and air-conditioner water outlet temperature sensor.
3. a kind of multiple-supplying frequency conversion heat pump control device according to claim 2, it is characterised in that：The interior plate temperature passes
Sensor further includes solar water container temperature sensor, and the relay control of the inner panel outputting circuit for relay further includes solar energy
Water pump relay and solar energy commutation valve relay.
4. a kind of multiple-supplying frequency conversion heat pump control device according to Claims 2 or 3, it is characterised in that：The inner panel electricity
Road is further included for selecting type and inputting the dialing multiplex circuit of hydraulic pressure, flow velocity and emergency button amount, the dialing multiplexing
Circuit includes several switches and two pieces are incorporated to and go here and there out 8 bit shift registers, and two pieces are incorporated to and go here and there out 8 bit shift registers composition 1
Shift register is gone here and there out in being incorporated to for position, is switched and is gone here and there out the parallel datas of 8 bit shift registers through pull-up resistor and being incorporated to and input and draw
Foot connects.
5. a kind of multiple-supplying frequency conversion heat pump control device according to claim 4, it is characterised in that：It further includes for level
The driving circuit of conversion, the driving circuit are made of Darlington transistor array driving chip, and the first MCU will control relay
Level signal exported to driving circuit, then export and give inner panel relay；The level signal that 2nd MCU will control relay
It is exported to driving circuit, then exports and give outside plate relay.
6. a kind of multiple-supplying frequency conversion heat pump control device according to claim 5, it is characterised in that：The touch key-press electricity
Road includes 8 channel touch key-press IC and several capacitance type touch keys, passes through after the capacitance type touch key is in series with a resistor
One filter capacitor is connected to the input pin of 8 channel touch key-press IC, then is connected by the output pin of 8 channel touch key-press IC
To the first MCU units.
7. a kind of multiple-supplying frequency conversion heat pump control device according to claim 6, it is characterised in that：The interior plate temperature passes
Sensor is connected to by a pull-up resistor and a filter capacitor on the pin of the first MCU；The outside plate sensor passes through a pull-up
Resistance and a filter capacitor are connected on the pin of the 2nd MCU.
8. a kind of multiple-supplying frequency conversion heat pump control device according to Claims 2 or 3, it is characterised in that：The inner panel electricity
Road further includes storage circuit, and the storage circuit is made of Electrically Erasable Programmable Read-Only Memory, and the first MCU can from electricity
Erasable programmable read-only memory reads command signal.
9. a kind of multiple-supplying frequency conversion heat pump control device according to Claims 2 or 3, it is characterised in that：The inner panel electricity
Road further includes clock circuit, and the clock circuit is equipped with independent crystal oscillator circuit and independent 5V DC power supplies, institute's clock circuit to
First MCU exports clock signal.
10. a kind of multiple-supplying frequency conversion heat pump control device according to Claims 2 or 3, it is characterised in that：The power supply electricity
Road includes primary transforming circuit and secondary transforming circuit, power supply circuit by 220V/50Hz alternating currents by primary transforming circuit into
Line transformer is depressured, then carries out rectification, voltage stabilizing and filtering by secondary transforming circuit, is that inner panel circuit and outside plate circuit are powered.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373041A (en) * | 2018-11-26 | 2019-02-22 | 安徽正刚新能源科技有限公司 | A kind of common electric valve realization automatic, high precision regulation and control system |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373041A (en) * | 2018-11-26 | 2019-02-22 | 安徽正刚新能源科技有限公司 | A kind of common electric valve realization automatic, high precision regulation and control system |
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Effective date of registration: 20190606 Address after: 517300 Shenzhen Baoan (Longchuan) Industrial Transfer Park, Dengyun Town, Longchuan County, Heyuan City, Guangdong Province Patentee after: Guangdong Yi Zhi Ke Science & Technology Co., Ltd. Address before: 528200 Tian'an Chuangzhi Building, Jianping Road, Nanhai District, Foshan City, Guangdong Province 1604 Patentee before: GUANGDONG ZHIKE ELECTRONIC CO., LTD. |