CN109253085A - The control of having electronic expansion valve, networking and the vortex generator set controller protected comprehensively - Google Patents
The control of having electronic expansion valve, networking and the vortex generator set controller protected comprehensively Download PDFInfo
- Publication number
- CN109253085A CN109253085A CN201811010161.3A CN201811010161A CN109253085A CN 109253085 A CN109253085 A CN 109253085A CN 201811010161 A CN201811010161 A CN 201811010161A CN 109253085 A CN109253085 A CN 109253085A
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- Prior art keywords
- module
- resistance
- expansion valve
- electronic expansion
- separately connected
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The vortex generator set controller that the invention discloses a kind of having electronic expansion valves to control, networks and protects comprehensively; including governor circuit; communication module, display button module, input detection module, temperature collecting module, Phase sequence detection module, current detection module, action executing module, the input detection module, electronic expansion valve controls module connecting with governor circuit, the communication module and trunk module communication transfer data to Cloud Server；The temperature collecting module is separately connected condensation sensor, exhaust sensor, inlet temperature sensor, outlet temperature sensor；The action executing module is separately connected compressor, crankshaft heater, condensation fan, defrost solenoid valve, alarm, liquid supply electromagnetic valve.The intelligent control to electric expansion valve, the comprehensive operating status of real-time detection scroll machine unit may be implemented in the present invention, so that intelligent protection screw compressor is safely operated.
Description
Technical field
The present invention relates to a kind of vortex generator set controller, specifically a kind of having electronic expansion valve control, networking and comprehensive guarantor
The vortex generator set controller of shield belongs to vortex unit control technology field.
Background technique
The development of electric expansion valve provides one for vortex unit Energy Saving Control and promotes well, and in the market
Few special electronic expansion valve controllers, more not specifically for the control of scroll machine electric expansion valve；For scroll machine
The protection and control of unit cooperate temperature controller using the controller or exclusive use protective module that have a single function mostly again
It uses, more without the control for collecting pairs of electric expansion valve, more using component, safety and stability to system are caused centainly
It influences, while very high requirement is proposed to unit producer and after-sales service personnel, improve after-sales service expense indirectly.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of having electronic expansion valve control, networking and comprehensively
The vortex generator set controller of protection, may be implemented the intelligent control to electric expansion valve, and real-time detection scroll machine unit is transported comprehensively
Row state, so that intelligent protection screw compressor is safely operated.
To achieve the goals above, the technical solution adopted by the present invention is that: a kind of control of having electronic expansion valve, networking and complete
The vortex generator set controller of face protection, including governor circuit are the communication module connecting with governor circuit, display button module, defeated
Enter detection module, temperature collecting module, Phase sequence detection module, current detection module, action executing module, input detection module,
Electronic expansion valve controls module, the communication module and trunk module communication transfer data to Cloud Server；The temperature
Degree acquisition module is separately connected condensation sensor, exhaust sensor, inlet temperature sensor, outlet temperature sensor；Described
Action executing module is separately connected compressor, crankshaft heater, condensation fan, defrost solenoid valve, alarm, liquid supply electromagnetic valve.
Further, the governor circuit is using STMicw Electronics's STM32F103RB chip.
Further, the communication module is using 485 mechanics of communication of MODBUS-RTU.
Exhaust sensor is used to measure the temperature of exhaust outlet；
Condensation sensor is used to measure the temperature information of condenser；
Outlet temperature sensor is used to measure the outlet temperature of economizer outlet；
Inlet temperature sensor is used to measure the inlet temperature of economizer entrance；
Phase sequence detection module is used to measure the power phase information of scroll machine unit；
Input detection module detects high voltage protective, low-voltage variation, warning, temperature protection of scroll machine unit etc. respectively
Switch input information；
Current detection module is used to detect the real-time current information of scroll machine unit.
Governor circuit includes chip IC 2, resistance R16, resistance R19, capacitor C14-19, capacitor C21, capacitor C34, capacitor
The pin 5 of C36, capacitor C37, capacitor C38, crystal oscillator X1, chip IC 2 are separately connected one end of resistance R19, crystal oscillation
One end of device X1, capacitor C15 one end, the other end ground connection of capacitor C15, the pin 6 of chip IC 2 is separately connected resistance R19's
One end of the other end, the other end of crystal oscillator X1, capacitor C16, the other end ground connection of capacitor C16；The pin 7 of chip IC 2
It is separately connected one end of resistance R16, one end of capacitor C13, the pin 12 of another termination power of resistance R16, chip IC 2 is distinguished
Connect one end of capacitor C21, one end of capacitor C17, capacitor C14 the other end, the pin 13 of chip IC 2 is separately connected capacitor
The other end of the other end of C21, capacitor C17；Pin 18, the pin 19 of chip IC 2 are grounded after passing through shunt capacitance C36；Chip
The pin 47 of IC2 is separately connected one end of capacitor C38, ground connection, and the pin 48 of chip IC 2 is separately connected the other end of capacitor C38
And power supply；The pin 63 of chip IC 2 is separately connected one end of capacitor C34, ground connection, and the pin 64 of chip IC 2 is separately connected capacitor
The other end and power supply of C34.
Communication module includes chip IC 1, resistance R18, resistance R21-25, diode D1, diode D3, the type of chip IC 1
It number is MAX3485, the pin 1 of chip IC 1 connects another termination power of one end of resistance R22, resistance R22, the pipe of chip IC 1
By being grounded after series resistance R21 after foot 2,3 parallel connection of pin, the pin 4 of chip IC 1 connects one end of resistance R18, resistance R18
Another termination power, the pin 5 of chip IC 1 is grounded, and the pin 6 of chip IC 1 is separately connected one end of resistance R23, diode
One end of D3, resistance R24, the pin 7 of chip IC 1 are separately connected the other end of resistance R23, one end of diode D1, resistance
The other end of R25, diode D1 are grounded after connecting with the other end of diode D3, and the pin 8 of chip IC 1 connects power supply.
Phase sequence detection module includes photoelectrical coupler, resistance R46-47, resistance 51-56, capacitor C46, diode D4, photoelectricity
The model BPC-817C of coupler, 1 foot of photoelectrical coupler by after series diode D4, resistance R52 with resistance R47 one
End connection, the other end of resistance R47 are separately connected one end of resistance R46, capacitor C46, and the other end of resistance R46 is sequentially connected in series electricity
R51, resistance R53, resistance R54, one end of the 3 feet connection resistance R56 of photoelectrical coupler are hindered, the other end of resistance R56 connects respectively
Connecting resistance R55, one end of resistance R57, power supply E one end, power supply E the other end connection resistance R57 after be grounded, photoelectrical coupler
4 feet meet power supply VCC.
The control circuit of condensation fan include photoelectrical coupler, resistance R58-60, resistance R63, resistance R65, triode Q2,
1 foot of thyristor Q3, capacitor C49, the model moc3041 of photoelectrical coupler, photoelectrical coupler connect power supply VCC, photoelectric coupling
The base stage of the collector of connecting triode Q2 after 2 foot series resistance R58 of device, triode Q2 connects resistance R63, triode Q2's
Emitter ground connection, 4 feet of photoelectrical coupler are separately connected one end of the grid of thyristor Q3, resistance R60, and the 6 of photoelectrical coupler
Foot connects one end of resistance R59, and the other end of resistance R59 is separately connected one end of the main electrode A2 of thyristor Q3, resistance R65,
The other end of resistance R60 is separately connected one end of the main electrode A1 of thyristor Q3, capacitor C49, and the other end of capacitor C49 connects electricity
Hinder the other end of R65.
Compared with prior art, the present invention is by acquisition delivery temperature, economizer exit and entry temperature, according to the mistake of setting
Temperature controls electric expansion valve；By acquiring external oil level, high and low voltage switch, temperature protection switch signal, machine is judged
Group internal operation situation, carries out protection control to scroll machine unit according to the actual situation；By Phase sequence detection module to scroll machine
The power phase of unit is judged, the phase sequence access of mistake is prevented, and then avoids burning out compressor；Pass through current detection module
Electric current is acquired, the real-time status of scroll machine unit operation is monitored, once there are current overload, phase shortage or unbalanced existing
As occurring, stops the operating of scroll machine unit at once, prevent from burning out compressor；It, can be in real time by scroll machine unit by communication module
Operating status upload server or be transferred to other equipment, can with the comprehensive operating status of real-time detection scroll machine unit, from
And intelligent protection screw compressor is safely operated.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the circuit diagram of governor circuit of the present invention；
Fig. 3 is the circuit diagram of communication module of the present invention；
Fig. 4 is the circuit diagram of temperature collecting module of the present invention；
Fig. 5 is the circuit diagram of Phase sequence detection module of the present invention；
Fig. 6 is the circuit diagram of current detection module of the present invention；
Fig. 7 is the circuit diagram of action executing module of the present invention；
Fig. 8 is the circuit diagram of present invention input detection module；
Fig. 9 is the circuit diagram of electronic expansion valve controls module of the present invention；
Figure 10 is the circuit diagram of condensation fan control circuit of the present invention.
In figure: 1, governor circuit, 2, communication module, 3, trunk module, 4, Cloud Server, 5, display button module, 6, temperature
Spend acquisition module, 6.1, condensation sensor, 6.2, exhaust sensor, 6.3, inlet temperature sensor, 6.4, outlet temperature sensing
Device, 7, Phase sequence detection module, 8, current detection module, 9, action executing module, 9.1, compressor, 9.2, crankshaft heater,
9.3, condensation fan, 9.4, defrost solenoid valve, 9.5, alarm, 9.6, liquid supply electromagnetic valve, 10, input detection module, 11, electronics
Expansion valve control module, 12, compressor.
Specific embodiment
The invention will be further described below.
As shown in Fig. 1-Figure 10, the present invention includes governor circuit 1, and the communication module 2 connecting with governor circuit 1 is described
Communication module and trunk module communication transfer data to Cloud Server 4 or other equipment；The display being connect with governor circuit
Key module 5, the temperature collecting module 6 connecting with governor circuit, the temperature collecting module 6 are separately connected cold for measuring
The condensation sensor 6.1 of the temperature information of condenser, the exhaust sensor 6.2 for measuring exhaust port temperatures, for measuring economy
The inlet temperature sensor 6.3 of device inlet temperature, the outlet temperature sensor 6.4 for measuring economizer outlet temperature, with master
The Phase sequence detection module 7 for being used to measure scroll machine unit power phase information of control circuit connection, the use being connect with governor circuit
In detection scroll machine unit real-time current information current detection module 8, the action executing module 9 being connect with governor circuit, with
The input detection module 10 of governor circuit connection, detect respectively the high voltage protective of scroll machine unit, low-voltage variation, warning,
The switches such as temperature protection input information；The electronic expansion valve controls module 11 being connect with governor circuit.
The action executing module is separately connected compressor 9.1, crankshaft heater 9.2, condensation fan 9.3, defrost electricity
Magnet valve 9.4, alarm 9.5, liquid supply electromagnetic valve 9.6.
Further, the governor circuit 1 is using STMicw Electronics's STM32F103RB chip.
Further, the communication module 2 is using 485 mechanics of communication of MODBUS-RTU.
The course of work of the invention are as follows: governor circuit 1 is carried out according to the collected temperature information of peripheral temperature acquisition module 6
Analytical calculation controls periphery load according to certain control logic accordingly；Temperature collecting module 6, measurement passes through respectively
Help device outlet, entrance, exhaust outlet, condenser temperature information, while collected temperature data is sent to governor circuit 1 and is carried out
Processing；Communication module 2 arrives the information of equipment, operating status real-time transmission by using 485 mechanics of communication of MODBUS-RTU
On Cloud Server 4 or other equipment, while receiving remote control command；Action executing module 9 is issued according to governor circuit 1
Instruction, which is made, corresponding executes movement；Detection module 10 is inputted, it, will when detecting generation abnormal protection inside scroll machine unit
Information is sent in governor circuit handles in time；The real-time display of the realization scroll machine unit current operating conditions of display button module 5
And system parameter setting is checked, grasps the operating status of scroll machine unit in time.
Phase sequence detection module, by power detection techniques, real-time detection compressor voltage, electric current, while will test
Data are sent to governor circuit and are handled, and governor circuit passes through certain logical operation, judgement according to detection data and setting value
Whether equipment is in safe operation state；
Detection module is inputted, for detecting the signals such as the high-low pressure protection of scroll machine unit, temperature protection, oil level switch,
After detecting above- mentioned information, signal is sent into governor circuit, governor circuit carries out judgement processing according to signal, it is ensured that be vortexed
The normal operation of machine unit.
Electronic expansion valve controls module, governor circuit is according to the temperature and the degree of superheat of acquisition, by certain logical operation,
Electric expansion valve is opened and closed；
Action executing module executes compressing as a result, controlling respectively for control decision according to the order that governor circuit issues
The opening and closing of the functions such as machine, crankshaft heater, condensation fan, air-cooler, defrost solenoid valve, liquid supply electromagnetic valve.
Current detection module, for detecting the running current when operation of scroll machine unit, it is ensured that compressor 12 is safely operated.
Claims (5)
1. a kind of having electronic expansion valve control, networking and the vortex generator set controller protected comprehensively, which is characterized in that including master control
Circuit, the communication module being connect with governor circuit, display button module, input detection module, temperature collecting module, Phase sequence detection
Module, current detection module, action executing module, electronic expansion valve controls module, the communication module and trunk module are logical
News transfer data to Cloud Server；The temperature collecting module is separately connected condensation sensor, exhaust sensor, entrance temperature
Spend sensor, outlet temperature sensor；The action executing module be separately connected compressor, crankshaft heater, condensation fan,
Defrost solenoid valve, alarm, liquid supply electromagnetic valve.
2. a kind of having electronic expansion valve control, networking and the vortex generator set controller protected comprehensively according to claim 1,
It is characterized in that, the governor circuit is using STMicw Electronics's STM32F103 chip.
3. a kind of having electronic expansion valve control, networking and the vortex generator set controller protected comprehensively according to claim 1,
It is characterized in that, the communication module is using 485 mechanics of communication of MODBUS-RTU, the chip model used for
MAX3485。
4. a kind of having electronic expansion valve control, networking and the vortex generator set controller protected comprehensively according to claim 1,
It is characterized in that, the chip model that the electronic expansion valve controls module uses is ULN2003.
5. a kind of having electronic expansion valve control, networking and the vortex generator set controller protected comprehensively according to claim 1,
It is characterized in that, the control circuit of condensation fan includes photoelectrical coupler, resistance R58-60, resistance R63, resistance R65, triode
Q2, thyristor Q3, capacitor C49, the model moc3041 of photoelectrical coupler, 1 foot of photoelectrical coupler connect power supply VCC, photoelectricity coupling
The base stage of the collector of connecting triode Q2 after 2 foot series resistance R58 of clutch, triode Q2 connects resistance R63, triode Q2
Emitter ground connection, 4 feet of photoelectrical coupler are separately connected one end of the grid of thyristor Q3, resistance R60, photoelectrical coupler
6 feet connect one end of resistance R59, and the other end of resistance R59 is separately connected one end of the main electrode A2 of thyristor Q3, resistance R65,
The other end of resistance R60 is separately connected one end of the main electrode A1 of thyristor Q3, capacitor C49, and the other end of capacitor C49 connects electricity
Hinder the other end of R65.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010161.3A CN109253085A (en) | 2018-08-31 | 2018-08-31 | The control of having electronic expansion valve, networking and the vortex generator set controller protected comprehensively |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010161.3A CN109253085A (en) | 2018-08-31 | 2018-08-31 | The control of having electronic expansion valve, networking and the vortex generator set controller protected comprehensively |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253085A true CN109253085A (en) | 2019-01-22 |
Family
ID=65050479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811010161.3A Pending CN109253085A (en) | 2018-08-31 | 2018-08-31 | The control of having electronic expansion valve, networking and the vortex generator set controller protected comprehensively |
Country Status (1)
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| CN (1) | CN109253085A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153747A (en) * | 2021-05-26 | 2021-07-23 | 浙江科技学院 | Axial force tracking method and system for scroll machine |
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Cited By (2)
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| CN113153747B (en) * | 2021-05-26 | 2022-07-01 | 浙江科技学院 | Axial force tracking method and system for scroll machine |
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Application publication date: 20190122 |
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