CN109297087A - A kind of automation control appliance applying to indoor geothermal and control method - Google Patents
A kind of automation control appliance applying to indoor geothermal and control method Download PDFInfo
- Publication number
- CN109297087A CN109297087A CN201811088445.4A CN201811088445A CN109297087A CN 109297087 A CN109297087 A CN 109297087A CN 201811088445 A CN201811088445 A CN 201811088445A CN 109297087 A CN109297087 A CN 109297087A
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- Prior art keywords
- water
- heater
- temperature
- water pump
- programmable controller
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1012—Arrangement or mounting of control or safety devices for water heating systems for central heating by regulating the speed of a pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feedback Control In General (AREA)
Abstract
The invention discloses a kind of automation control appliance for applying to indoor geothermal and control methods, the automation control appliance includes water supply tank, check valve, water pipe, filter, water pump, dynamoelectric proportion valve, temperature transmitter, heater, control cabinet and programmable controller, automation control appliance is programmed by programmable controller program and parameter setting, the flow of control dynamoelectric proportion valve can accurately be controlled, to control the temperature of heating warm water, it is flowed by the spin even faster warm water of water pump, and it is mounted with filter device, it prevents from adhering to dirt in tube wall, structure is simple, it is easy to operate, high degree of automation.
Description
Technical field
The invention belongs to technical field of electricity, it is related to a kind of automation control appliance for applying to indoor geothermal and control
Method.
Background technique
Indoor geothermal heating is using 60 DEG C or so of hot water as heating agent, in the coil pipe for being laid on Indoor environment subsurface
It circulates, heats ground, thermally face is to radiate the heating mode with the heat transfer type of convection current to indoor heating.Geothermal heating dissipates
Hot uniform, sanitory saves low floor space, operating cost, technology maturation, thermal efficiency height, is science, energy conservation, health care
A kind of heating mode, geothermal heating system have been widely adopted because mutually coordinating with living habit, Living Style.In the prior art, underground heat
The hot-water supply of heating installation is heater heating warm water mostly, and it is unnecessary that this geothermal heating device can generate when in use
Loss, water temperature control it is not accurate enough, warm water can not quickly flow, and room temperature can not be rapidly heated, for a long time use tube wall
It is interior to adhere to dirt.
Summary of the invention
To solve the above problems, the present invention provides a kind of automation control appliance for applying to indoor geothermal and controlling party
Method, the automation control appliance can accurately control the temperature of heating warm water, be flowed by the spin even faster warm water of water pump,
And it is mounted with filter device, prevents from adhering to dirt in tube wall.
The present invention is specially a kind of automation control appliance for applying to indoor geothermal, and the automation control appliance includes
Water supply tank, check valve, water pipe, filter, water pump, dynamoelectric proportion valve, temperature transmitter, heater, control cabinet and programmable control
Device processed；The heater upper end and water supply tank are connected by water pipe, and check valve is mounted on water pipe；The heater water inlet
End and water pump water outlet end are connected by water pipe, and the water pump inlet is connected by water pipe with underground heat water outlet；The heater
Water outlet is connected by water pipe with underground heat water inlet end, and dynamoelectric proportion valve and temperature sensor are mounted on water pipe；The control
Cabinet processed includes cabinet and cabinet plate；Programmable controller is installed, the programmable controller operation power supply is exchange on the cabinet
Power supply 220V, the programmable controller are capable of providing digital quantity input, digital output, analog input, analog output
Terminal；It include 2 air switches, fuse, Switching Power Supply and intermediate relay on the cabinet plate；The intermediate relay can
There is provided one group of coil contact and with two groups of normally opened contacts；2 air switches access AC power source 220V, and pass through fuse
Electrically connect with Switching Power Supply, the switched power output is capable of providing DC power supply 24V；Number on the programmable controller
Word amount input terminal and DC power supply 24V are electrically connected by connecting line and one group of normally opened contact on intermediate relay, it is described can
Digital output terminal and DC power supply 24V on programmable controller pass through connecting line and intermediate relay coil contact electrical property phase
It connects, analog quantity input terminal and DC power supply 24V on the programmable controller pass through connecting line and temperature transmitter electrical property phase
It connects, analog quantity output terminal and DC power supply 24V on the programmable controller pass through connecting line and dynamoelectric proportion valve electrical property phase
It connects, the heater power source end of incoming cables is electrically connected with one group of normally opened contact in AC power source and intermediate relay, the water pump
Power inleting terminal is electrically connected with one group of normally opened contact in AC power source and intermediate relay.
Fill water in the further water supply tank, when water pump is out of service, water in water supply tank by check valve into
Enter in water circulation；Avoiding device at runtime, occurs evaporating and side leakage, the phenomenon of quantity of circulating water deficiency occurs.
The further programmable controller can be according to temperature transmitter to the state of water in automatic control device
Electric signal is acquired, and the temperature and pressure of water is obtained by conversion, numerical value is shown and can compiled in internal register by assignment
On the picture of range controller.
The further water pump includes motor and impeller, and the motor is AC power source 220V low-power machine, can
Recirculated water is driven, the water pump both ends are shorted by pipeline, and after preventing water pump from stopping, the impeller of water pump and tube wall gap are small, shadow
The flowing of Xiangshui County.
The further filter can filter out the spot of bulky grain during water flowing, prevent from being attached to water
In pipe, the conduction of heat in underground heat is influenced, and clean on time to blowdown valve, in case spot is accumulated in the filter,
It results in blockage in heater.
The power end of the further heater and pump power end of incoming cables connect with intermediate relay normally opened contact, can
Programmable controller can control the actuation of intermediate relay coil by digital output, control heater and water pump starting and
Stop.
The further dynamoelectric proportion valve according to the temperature of water in temperature sensor detector and the temperature value of setting,
Dynamoelectric proportion valve open degree is controlled by the pid control mode in programmable controller.
The invention also includes a kind of control methods of automation control appliance for applying to indoor geothermal, and steps are as follows:
Step 1: 2 air switches of closure make electric automatization apparatus control system be powered；
Step 2: the programmable controller is equipped with equipment automatically and manually change-over switch, automatic in dynamoelectric proportion valve
Manually change-over switch, desired temperature, initial open degree, P value, I value and manually opened degree parameter value, the hand of heater
Dynamic starting and the button stopped manually, heater start temperature value parameter, the button for manually booting He stopping manually of water pump, water
Pump operation temperature value parameter；
Step 3: equipment manual mode is arranged in the programmable controller, manually booting and stop manually by heater
The operation for controlling heater, by the operation of water pump manually booted and stop control water pump manually, dynamoelectric proportion valve sets hand
Dynamic state, sets manually opened degree parameter value, controls dynamoelectric proportion valve open degree；
Step 4: equipment auto state is arranged in the programmable controller, and dynamoelectric proportion valve sets auto state, setting electricity
The parameter value of desired temperature in proportioning valve, initial open degree, P value and I value is moved, the dynamoelectric proportion valve is according to desired temperature
Water temperature in parameter and automation control appliance carries out PID control by programmable controller, and the heater is controlled by automation
The temperature difference controls start and stop between water temperature in control equipment and heater start temperature value parameter, when heater start temperature value parameter is high
When water temperature in automation control appliance, heater operation, the water pump is carried out by the water pump operation temperature value parameter set
Control, when water pump operation temperature value parameter is lower than the water temperature in automation control appliance, water pump operation.
Detailed description of the invention
Fig. 1 is to invent a kind of automation control appliance structural schematic diagram for applying to indoor geothermal；
Fig. 2 is to invent a kind of automation control appliance control cabinet structural schematic diagram for applying to indoor geothermal.
In figure: 1, water supply tank；2, check valve；3, water pipe；4, filter；5, water pump；6, dynamoelectric proportion valve；7, temperature pick-up
Device；8, heater；9, control cabinet；10, programmable controller；11,2 air switches；12, fuse；13, Switching Power Supply；14,
Intermediate relay.
Specific embodiment
With reference to the accompanying drawing to the tool of a kind of automation control appliance for applying to indoor geothermal of the present invention and control method
Body embodiment elaborates.
A kind of automation control appliance for applying to indoor geothermal of the present invention, as shown in Figure 1；The automation control appliance
Including water supply tank 1, check valve 2, water pipe 3, filter 4, water pump 5, dynamoelectric proportion valve 6, temperature transmitter 7, heater 8, control
Cabinet 9 and programmable controller 10；8 upper end of heater and water supply tank 1 are connected by water pipe 3, and are mounted with list on water pipe 3
To valve 2；8 water inlet end of heater and 5 water outlet of water pump are connected by water pipe 3, and 5 water inlet end of water pump passes through 3 He of water pipe
Underground heat water outlet is connected；8 water outlet of heater is connected by water pipe 3 with underground heat water inlet end, and is mounted with electricity on water pipe 3
Dynamic proportioning valve 6 and temperature sensor；The control cabinet 9 includes cabinet and cabinet plate；Programmable controller 10 is installed on the cabinet,
It is AC power source 220V that the programmable controller 10, which runs power supply, and it is defeated that the programmable controller 10 is capable of providing digital quantity
Enter, digital output, analog input, analog output terminal；On the cabinet plate include 2 air switches 11, fuse 12,
Switching Power Supply 13 and intermediate relay 14；The intermediate relay 14 be capable of providing one group of coil contact and with two groups of normally opened touchings
Point；2 air switches 11 access AC power source 220V, and are electrically connected by fuse 12 and Switching Power Supply 13, described
13 output end of Switching Power Supply is capable of providing DC power supply 24V；Digital-quantity input terminal and direct current on the programmable controller 10
Power supply 24V is electrically connected by connecting line and one group of normally opened contact on intermediate relay 14, number on the programmable controller 10
Word amount output terminal and DC power supply 24V are electrically connected by connecting line and 14 coil contact of intermediate relay, described programmable
Analog quantity input terminal and DC power supply 24V, are electrically connected by connecting line and temperature transmitter 7 on controller 10, it is described can
Analog quantity output terminal and DC power supply 24V, are electrically connected by connecting line and dynamoelectric proportion valve 6 on programmable controller 10, institute
It states 8 power inleting terminal of heater to be electrically connected with one group of normally opened contact in AC power source and intermediate relay 14,5 electricity of water pump
Source end of incoming cables is electrically connected with one group of normally opened contact in AC power source and intermediate relay 14.
Water is filled in the further water supply tank 1, when water pump 5 is out of service, the water in water supply tank 1 passes through check valve
2 enter in water circulation；Avoiding device at runtime, occurs evaporating and side leakage, the phenomenon of quantity of circulating water deficiency occurs.
The further programmable controller 10 can be according to temperature transmitter 7 to the shape of water in automatic control device
State acquires electric signal, and obtains the temperature and pressure of water by conversion, is shown numerical value can in internal register by assignment
On the picture of programmable controller 10.
The further water pump 5 includes motor and impeller, and the motor is AC power source 220V low-power machine, can
Recirculated water is driven, 5 both ends of water pump are shorted by pipeline, and after preventing water pump 5 from stopping, the impeller of water pump 5 and tube wall gap are small,
Influence the flowing of water.
The further filter 4 can filter out the spot of bulky grain during water flowing, prevent from being attached to
In water pipe 3, the conduction of heat in underground heat is influenced, and clean on time to blowdown valve, in order to avoid spot heap in filter 4
Product, results in blockage in heater 8.
The power end and 5 power inleting terminal of water pump and 14 normally opened contact phase of intermediate relay of the further heater 8
It connects, programmable controller 10 can control the actuation of 14 coil of intermediate relay by digital output, control heater 8 and water
Pump 5 starts and stops.
The further dynamoelectric proportion valve 6 is according to the temperature of water in temperature sensor detector and the temperature of setting
Value controls 6 open degree of dynamoelectric proportion valve by the pid control mode in programmable controller 10.
Steps are as follows for a kind of control method of automation control appliance applying to indoor geothermal:
Step 1: 2 air switches of closure make electric automatization apparatus control system be powered；
Step 2: the programmable controller is equipped with equipment automatically and manually change-over switch, automatic in dynamoelectric proportion valve
Manually change-over switch, desired temperature, initial open degree, P value, I value and manually opened degree parameter value, the hand of heater
Dynamic starting and the button stopped manually, heater start temperature value parameter, the button for manually booting He stopping manually of water pump, water
Pump operation temperature value parameter；
Step 3: equipment manual mode is arranged in the programmable controller, manually booting and stop manually by heater
The operation for controlling heater, by the operation of water pump manually booted and stop control water pump manually, dynamoelectric proportion valve sets hand
Dynamic state, sets manually opened degree parameter value, controls dynamoelectric proportion valve open degree；
Step 4: equipment auto state is arranged in the programmable controller, and dynamoelectric proportion valve sets auto state, setting electricity
The parameter value of desired temperature in proportioning valve, initial open degree, P value and I value is moved, the dynamoelectric proportion valve is according to desired temperature
Water temperature in parameter and automation control appliance carries out PID control by programmable controller, and the heater is controlled by automation
The temperature difference controls start and stop between water temperature in control equipment and heater start temperature value parameter, when heater start temperature value parameter is high
When water temperature in automation control appliance, heater operation, the water pump is carried out by the water pump operation temperature value parameter set
Control, when water pump operation temperature value parameter is lower than the water temperature in automation control appliance, water pump operation.
Finally it should be noted that only illustrating technical solution of the present invention rather than its limitations in conjunction with above-described embodiment.Institute
The those of ordinary skill in category field is it is to be understood that those skilled in the art can repair a specific embodiment of the invention
Change or equivalent replacement, but these modifications or change are being applied among pending claims.
Claims (8)
1. a kind of automation control appliance for applying to indoor geothermal, which is characterized in that the automation control appliance includes mending
Water tank, check valve, water pipe, filter, water pump, dynamoelectric proportion valve, temperature transmitter, heater, control cabinet and PLC technology
Device；The heater upper end and water supply tank are connected by water pipe, and check valve is mounted on water pipe；The heater water inlet end
Connected with water pump water outlet end by water pipe, the water pump inlet is connected by water pipe with underground heat water outlet；The heater goes out
Water end (W.E.) is connected by water pipe with underground heat water inlet end, and dynamoelectric proportion valve and temperature sensor are mounted on water pipe；The control
Cabinet includes cabinet and cabinet plate；Programmable controller is installed, the programmable controller operation power supply is alternating current on the cabinet
Source 220V, the programmable controller are capable of providing digital quantity input, digital output, analog input, analog output end
Son；It include 2 air switches, fuse, Switching Power Supply and intermediate relay on the cabinet plate；The intermediate relay can mention
For one group of coil contact and with two groups of normally opened contacts；2 air switches access AC power source 220V, and by fuse and
Switching Power Supply electrically connects, and the switched power output is capable of providing DC power supply 24V；It is digital on the programmable controller
Input terminal and DC power supply 24V are measured, is electrically connected by connecting line and one group of normally opened contact on intermediate relay, it is described to compile
Digital output terminal and DC power supply 24V on range controller, are electrically connected by connecting line and intermediate relay coil contact,
Analog quantity input terminal and DC power supply 24V, are electrically connected by connecting line and temperature transmitter on the programmable controller,
Analog quantity output terminal and DC power supply 24V, are electrically connected by connecting line and dynamoelectric proportion valve on the programmable controller,
The heater power source end of incoming cables is electrically connected with one group of normally opened contact in AC power source and intermediate relay, the pump power
End of incoming cables is electrically connected with one group of normally opened contact in AC power source and intermediate relay.
2. a kind of automation control appliance for applying to indoor geothermal according to claim 1, which is characterized in that the benefit
Water is filled in water tank, when water pump is out of service, the water in water supply tank is entered in water circulation by check valve；Avoiding device is being transported
When row, occur evaporating and side leakage, the phenomenon of quantity of circulating water deficiency occurs.
3. a kind of automation control appliance for applying to indoor geothermal according to claim 1, which is characterized in that it is described can
Programmable controller can be according to temperature transmitter to the state acquisition electric signal of water in automatic control device, and passes through and convert
To the temperature and pressure of water, numerical value is shown on the picture of programmable controller in internal register by assignment.
4. a kind of automation control appliance for applying to indoor geothermal according to claim 1, which is characterized in that the water
Pump includes motor and impeller, and the motor is AC power source 220V low-power machine, can drive recirculated water, the water pump both ends
It is shorted by pipeline, after preventing water pump from stopping, the impeller of water pump and tube wall gap are small, influence the flowing of water.
5. a kind of automation control appliance for applying to indoor geothermal according to claim 1, which is characterized in that the mistake
Filter can filter out the spot of bulky grain during water flowing, prevent from being attached in water pipe, influence heat in underground heat
Conduction, and blowdown valve is cleaned on time, in order to avoid spot is accumulated in the filter, result in blockage in the heater.
6. a kind of automation control appliance for applying to indoor geothermal according to claim 1, which is characterized in that described to add
The power end of hot device and pump power end of incoming cables connect with intermediate relay normally opened contact, and programmable controller can pass through number
The actuation of amount output control intermediate relay coil, control heater and water pump start and stop.
7. a kind of automation control appliance for applying to indoor geothermal according to claim 1, which is characterized in that the electricity
Proportioning valve is moved according to the temperature of water in temperature sensor detector and the temperature value of setting, by programmable controller
Pid control mode controls dynamoelectric proportion valve open degree.
8. a kind of control method for the automation control appliance for applying to indoor geothermal, based on described in any one of claim 1~7
A kind of automation control appliance for applying to indoor geothermal, which is characterized in that steps are as follows for the control method:
Step 1: 2 air switches of closure make electric automatization apparatus control system be powered；
Step 2: the programmable controller is equipped with equipment automatically and manually change-over switch, the automatic and hand in dynamoelectric proportion valve
Dynamic change-over switch, desired temperature, initial open degree, P value, I value and manually opened degree parameter value, heater opens manually
Button that is dynamic and stopping manually, heater start temperature value parameter, the button for manually booting He stopping manually of water pump, water pump fortune
Trip temperature value parameter；
Step 3: equipment manual mode is arranged in the programmable controller, manually boots and stop manually control by heater
The operation of heater, by the operation of water pump manually booted and stop control water pump manually, dynamoelectric proportion valve sets manual shape
State sets manually opened degree parameter value, controls dynamoelectric proportion valve open degree；
Step 4: equipment auto state is arranged in the programmable controller, and dynamoelectric proportion valve sets auto state, sets electronic ratio
Example valve in desired temperature, initial open degree, P value and I value parameter value, the dynamoelectric proportion valve is according to temperature setpoint parameter
With the water temperature in automation control appliance, PID control is carried out by programmable controller, the heater is set by automation control
The temperature difference controls start and stop between water temperature and heater start temperature value parameter in standby, when heater start temperature value parameter is higher than certainly
When dynamicization controls the water temperature in equipment, heater operation, the water pump is controlled by the water pump operation temperature value parameter set,
When water pump operation temperature value parameter is lower than the water temperature in automation control appliance, water pump operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088445.4A CN109297087A (en) | 2018-09-18 | 2018-09-18 | A kind of automation control appliance applying to indoor geothermal and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088445.4A CN109297087A (en) | 2018-09-18 | 2018-09-18 | A kind of automation control appliance applying to indoor geothermal and control method |
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| Publication Number | Publication Date |
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| CN109297087A true CN109297087A (en) | 2019-02-01 |
Family
ID=65163606
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811088445.4A Pending CN109297087A (en) | 2018-09-18 | 2018-09-18 | A kind of automation control appliance applying to indoor geothermal and control method |
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