CN204739735U - Constant temperature of earth source heat pump, energy -saving control system - Google Patents
Constant temperature of earth source heat pump, energy -saving control system Download PDFInfo
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- CN204739735U CN204739735U CN201520405917.XU CN201520405917U CN204739735U CN 204739735 U CN204739735 U CN 204739735U CN 201520405917 U CN201520405917 U CN 201520405917U CN 204739735 U CN204739735 U CN 204739735U
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Abstract
The utility model provides a constant temperature of earth source heat pump, energy -saving control system, belongs to the ground hot pump control in source system technical field, and it is on the basis of current ground hot pump control system in source, increases indoor temperature sensor and ambient outdoor temperature sensor, through room temperature, the temperature of using side water temperature sensor to detect, two accuses ground source heat pump set's operation and stopping, the heating of local source heat pump set reaches the whole back of shutting down of indoor temperature of settlement, and controller control unit automatic operation is " the mode of preventing frostbite keeps warm ", and " the mode of preventing frostbite keeps warm " is the temperature that detects through the ambient outdoor temperature sensor, and the indoor temperature invariant is kept in the operation of control unit intermittent type, this controller still is equipped with " prevent frostbite from vacation in winter ", solves festivals or holidays in winter, and the operation unit takes the electricity, stops the problem the that perhaps unit freezes. Under the aforesaid aimed at satisfying the prerequisite of constant temperature heating, the regulating set operating condition improved compressor efficiency, had reduced the operation of ground source heat pump set unnecessary, was applicable to various ground source heat pump set.
Description
Technical field
The utility model belongs to the control system of a kind of earth source heat pump in earth source heat pump control technology field.
Background technology
Along with development and the extensive use of earth source heat pump, also more and more higher to the technical requirement of ground source heat pump control system.Existing earth-source hot-pump system mainly comprises: 1. ground-source heat pump host; 2. earth source heat pump microcomputer control system; 3. use side water circulating pump; 4. thermal source water pump; 5. water processing establishment; 6. use side pipe net and interior radiator; 7. the composition such as heat source side pipe network and thermal source well, back water well or buried tube type ground heat exchanger.In known technology, because the control method of ground source heat pump control system is unreasonable, Heating by Ground Source Heat Pump refrigeration system is caused to there is the shortcomings such as power consumption is large, room temperature is non-constant, only illustrate with the actual example that heats: the electromechanical equipment of earth source heat pump unit mainly comprises compressor, thermal source water pump, the operation using side water circulating pump or stopping, being only controlled by and using side water temperature.Such as: earth source heat pump group setup uses DEG C operation of water temperature≤40, side, >=45 DEG C of shutdown, when then using water temperature≤40 DEG C, side, side water circulating pump, thermal source water pump, compressor is used to run successively, when using water temperature >=45 DEG C, side, compressor, thermal source water pump are shut down, and use side water circulating pump to continue to run, when moving to use water temperature≤40 DEG C, side, thermal source water pump, compressor enter running status again, and how earth source heat pump unit does not consider indoor temperature, so goes round and begins again; For large-scale earth source heat pump unit, usually Attended mode is needed, the control of indoor temperature, the main experience by duty personnel is grasped, and staff according to weather conditions, need estimate that in one day, unit need run several times, once need to run several hours, opening or stop, the high and low and power consumption of indoor temperature of Non-follow control earth source heat pump unit, depends on judgment and the sense of responsibility of duty personnel; For unattended middle-size and small-size earth-source hot-pump system, earth source heat pump unit is operated in and uses between side water temperature 40 DEG C ~ 45 DEG C, uses the continual operation in 24 hours of side water circulating pump, when climate temperature height, just make supplied indoor temperature too high, cause that power consumption is large, unit wearing and tearing are larger; The timing function by using earth source heat pump microcomputer controller had, allows earth source heat pump unit timing operation within one or several fixing period, reduces unit and reaches the object of saving electric energy running time.Therefore, the shortcoming of prior art is: (1) earth source heat pump unit is operated in and uses between side water temperature 40 DEG C-45 DEG C, and average Energy Efficiency Ratio is low; (2) for the situation of Attended mode, be affected by human factors, indoor temperature and power consumption depend primarily on judgment and the sense of responsibility of staff; (3) for unattended situation, earth source heat pump unit is only controlled by use side water temperature, unit accumulated running time is very long, accumulative downtime is very short, and using the non-stop run in 24 hours of side circulating pump, when causing climate temperature height, indoor temperature is too high, both waste electric energy, cause equipment attrition again; (4) during earth source heat pump unit timing working; because earth source heat pump unit is operated in the default fixing period; be difficult to ensure the constant of indoor temperature, during climate temperature height, indoor temperature is too high; waste electric energy; when climate temperature is low, indoor temperature does not reach requirement again, and overlong time is shut down in timing; easily cause again the equipment such as pipeline, water pump, unit to occur freezing, freezing situation, make troubles to use.
Utility model content
The object of the utility model is to provide one, and automatically to control heating building thing room temperature constant; save electric energy; automatic freezing-protective after shutting down; festivals or holidays in winter are antifreeze, and when unit breaks down, autostop is reported to the police and shows ground source heat pump control system and the control method thereof of unit fault type and solution with written form in detail.
The technical scheme in the invention for solving the above technical problem is:
A kind of constant temperature of earth source heat pump, energy-saving control system, it is provided with: ground-source heat pump host, earth source heat pump microcomputer controller, use side water circulating pump, thermal source water pump, the connected temperature sensor of earth source heat pump microcomputer controller comprises heating indoor temperature sensor, use side feed temperature sensor, use side return water temperature sensor, ground-source heat pump host environment temperature sensor, thermal source leaving water temperature sensors, thermal source inflow temperature sensor, condenser temperature sensor, evaporator temperature sensor, outdoor environment temperature sensor, each temperature sensor connects the temperature input mouth of earth source heat pump microcomputer controller main control board respectively, the main control board On-off signal port of earth source heat pump microcomputer controller is connected respectively phase sequence, open-phase relay, suction pressure of compressor, pressure at expulsion relay, use side discharge switch, heat source side discharge switch, overheat of compressor relay, use the overtemperature relay of side water circulating pump, heat source water pump power motor, the main control board output port of microcomputer controller connects the drive coil driving compressor, use the A.C. contactor of side water circulating pump, thermal source water pump respectively.
The constant temperature of above-mentioned earth source heat pump, energy-saving control system, described earth source heat pump microcomputer controller comprises: main control board U1, D.C. regulated power supply module U2, temperature sensor WR1-9, relay output module U3, liquid crystal display and operational module U4, relay switching variable input module U5, On-off signal relay comprises: phase sequence open-phase relay, suction pressure of compressor, pressure at expulsion relay, use side discharge switch, heat source side discharge switch, overheat of compressor relay, use side water circulating pump, heat source water pump power motor overheating relay, D.C. regulated power supply module U2 is input AC220V, output D.C. regulated power supply provides power supply to each module of controller, the P1-10 temperature input mouth of main control board is connected respectively temperature sensor WR1-9, the P31-33 port of main control board connects D.C. regulated power supply module U2, the P21-30 relay output end mouth of main control board connects relay output module U3, the P34-36 port of main control board connects liquid crystal display and operational module U4, the P11-20 relay input port of main control board is connected respectively and uses side discharge K switch 1, Compressor Discharge Pressure K switch 2, suction pressure of compressor K switch 3, heat source side discharge K switch 4 and phase sequence, open-phase relay J1, the A.C. contactor of relay output module U3 connects use side water circulating pump SHB respectively, thermal source water pump RSB and compressor YSJ.
The constant temperature of above-mentioned earth source heat pump, energy-saving control system, the increase of described earth source heat pump microcomputer controller is indoor temperature transmitter and outdoor environment temperature sensor, and earth source heat pump unit is controlled by indoor temperature transmitter, outdoor environment temperature sensor, the use side cooling-water temperature sensor of detecting temperature simultaneously.
The constant temperature of above-mentioned earth source heat pump, energy-saving control system, described earth source heat pump microcomputer controller is also set with: " constant temperature heating ", " constant temperature refrigeration ", " heat-preserving anti-freezing ", " vacation is antifreeze " and unit fault time autostop report to the police and with text importing fault type and solution.
The constant temperature of above-mentioned earth source heat pump, energy-saving control system, described earth source heat pump microcomputer controller is also provided with heating timed power on/off, refrigeration timed power on/off, indoor temperature setting, uses side water temperature setting, fault inquiry, real time data query function, and each temperature parameter of the system that is provided with sets, each time parameter set-up function, also be provided with Non-follow control, fast debugging function, be provided with again the functions such as adjustment temperature sensor deviation, the conversion of input switch amount, clock setting.
During use, be installed on earth source heat pump unit by local source heat pump constant temperature, energy-saving control system, it and can use side water temperature control earth source heat pump unit automatically to run according to indoor temperature.In winter, earth source heat pump unit absorbs heat from Di Yuan (shallow-layer water body or Rock And Soil), heats to building; In summer, source pump absorbs heat indoor and transfer is discharged into underground, realizes building air-conditioning refrigeration.Earth source heat pump unit is controlled by indoor temperature, climate temperature and use side coolant-temperature gage, is different from prior art unit and is only controlled by use side water temperature.Which reduce unnecessary operation, improve compressor efficiency, save electric energy, ensure that indoor temperature is constant.
In a word, the utility model has four features:
I, by use coolant controlled basis, side on, add indoor temperature to control, unit 40-60% running time is reduced and can the operating condition of automatic Regulation contracting machine than existing earth source heat pump control technology, achieve constant indoor temperature, save electric energy, and due to the unit operation time short, decrease vertical underground heat exchanger burden, improve thermal source leaving water temperature and namely improve evaporating temperature, thus improve Energy Efficiency Ratio;
II, control unit intermittent duty by " heat-preserving anti-freezing pattern " according to outdoor environment temperature situation, achieve constant indoor temperature, the function such as antifreeze, and under " heat-preserving anti-freezing pattern ", condensation temperature low-energy-efficiency is than high;
III, control unit intermittent duty by " anti-freezing pattern vacation " according to outdoor environment temperature situation, under the prerequisite that power consumption is little, ensure that earth source heat pump water system security does not freeze;
IV, fault alarm, clear failure type, word states solution in detail;
Because the utility model design have employed technique scheme; also show through testing result on trial for many years; it compared with prior art; there is the building room temperature automatically controlling to heat constant; save electric energy, after shutting down, automatic heat preserving is antifreeze, and festivals or holidays are antifreeze; when unit breaks down, autostop is reported to the police and shows the advantages such as unit fault type and solution thereof in detail with written form, is applicable to various earth source heat pump.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing 1 is the concrete structure sketch of the utility model embodiment.
Accompanying drawing 2 is basic circuit diagrams of the present utility model.
In accompanying drawing, each label is: 1 ground-source heat pump host; 2 use side water circulating pump (SHB); 3 use side return water temperature sensor (WR1); 4 condensers; 5 heating indoor radiators; 6 heating indoor temperature sensors (WR2); 7 use side feed temperature sensor (WR3); 8 earth source heat pump microcomputer controllers; 9 ground-source heat pump host environment temperature sensors (WR4); 10 compressors (YSJ); 11 condensation temperature sensors (WR7); 12 evaporimeters; 13 thermal source leaving water temperature sensors (WR6); 14 perpendicularly buried pipe ground heat exchangers; 15 thermal source water pumps (RSB); 16 thermal source inflow temperature sensors (WR5); 17 expansion valves; 18 filters; 19 evaporating temperature sensor (WR8); 20 liquid-gas separators; 21 use side discharge switch; 22 Compressor Discharge Pressure switches; 23 suction pressure of compressor switches; 24 heat source side discharge switches; 25 outdoor environment temperature sensors (WR9); J1 phase sequence open-phase relay; U1 controller main control board, U2 D.C. regulated power supply module; U3 relay output module; U4 liquid crystal display and operational module; U5 relay switching variable input module.
Specifically execute real mode
Embodiment as shown in Figure 1, the utility model is provided with: ground-source heat pump host 1, use side circulating pump 2, convector 5, earth source heat pump controller 8, perpendicularly buried pipe ground heat exchanger 14, thermal source water pump 15.The temperature input mouth P1-10 of earth source heat pump microcomputer controller 8 is connected respectively each temperature sensor and comprises the indoor that heating indoor temperature sensor 6 is installed in earth source heat pump unit institute heating building thing, indoor temperature in order to be detected by it controls unit operation and stopping, use side feed temperature sensor 7, use side return water temperature sensor 3, ground-source heat pump host environment temperature sensor 9, thermal source leaving water temperature sensors 13, thermal source inflow temperature sensor 16, condensation temperature sensor 11, evaporating temperature sensor 19, outdoor environment temperature sensor 25 is installed in heating building beyond the region of objective existence portion of earth source heat pump unit institute, climate temperature in order to be detected by it controls unit at " heat-preserving anti-freezing ", intermittent duty under " vacation is antifreeze " pattern, the On-off signal port P11-20 of earth source heat pump microcomputer controller is connected respectively each switching value relay and comprises phase sequence open-phase relay J1, suction pressure of compressor relay K 3, pressure at expulsion relay K 2, use side discharge K switch 1, heat source side discharge K switch 4, overheat of compressor relay, use the overtemperature relay etc. of side water circulating pump, heat source water pump power motor, the relay output end mouth P21-30 of main control board connects the drive coil driving compressor, use the A.C. contactor such as side water circulating pump and thermal source water pump respectively, in order to control compressor, thermal source water pump, to use the electrical equipment start and stop such as side water circulating pump.
See accompanying drawing 2 embodiment, earth source heat pump microcomputer controller of the present utility model comprises: main control board U1, D.C. regulated power supply module U2, nine temperature sensor WR1-9, relay output module U3, liquid crystal display and operational module U4, relay switching variable input module U5, D.C. regulated power supply module U2 is: input AC220V, output D.C. regulated power supply provide D.C. regulated power supply to each module, the P1-10 temperature input mouth of main control board is connected respectively temperature sensor WR1-9, the P31-33 port of main control board connects D.C. regulated power supply module U2, the P21-30 relay output end mouth of main control board connects relay output module U3, the P34-36 port of main control board connects liquid crystal display and operational module U4, the P11-20 relay input port corresponding line connection use side discharge K switch 1 respectively of main control board, Compressor Discharge Pressure K switch 2, suction pressure of compressor K switch 3, heat source side discharge K switch 4 and phase sequence, open-phase relay J1, the A.C. contactor of relay output module U3 connects use side water circulating pump SHB respectively, thermal source water pump RSB and compressor YSJ etc.
With reference to accompanying drawing 2 embodiment, earth source heat pump microcomputer controller of the present utility model be respectively equipped with " constant temperature heating ", " constant temperature refrigeration ", " heat-preserving anti-freezing ", " vacation is antifreeze " and unit fault time autostop warning, text importing fault type and solution.
With reference to accompanying drawing 2 embodiment, earth source heat pump microcomputer controller of the present utility model is respectively equipped with heating timed power on/off, refrigeration timed power on/off, indoor temperature setting, uses side water temperature setting, fault inquiry, real time data query function, and each temperature parameter of the system that is provided with sets, each time parameter set-up function, also be provided with Non-follow control, fast debugging function, be provided with again adjustment temperature sensor deviation, switching value conversion, clock setting function.
By reference to the accompanying drawings earth source heat pump constant temperature of the present utility model, energy-saving control method are described further:
A. the operation of earth source heat pump unit and stopping, the temperature being controlled by indoor temperature transmitter WR2 and using side feed temperature sensor WR3 (or using side return water temperature sensor WR1) to detect, for heat supply in winter, setting room temperature 20 ± 1 DEG C, setting uses side feed temperature 40 DEG C-45 DEG C, when room temperature≤19 DEG C and use side feed temperature simultaneously≤40 DEG C time, use side water circulating pump 2, thermal source water pump 15, compressor 10 runs successively, when using leaving water temperature >=45 DEG C, side, compressor 10, thermal source water pump 15 is shut down successively, side water circulating pump 2 is used to continue to run, when local source source pump work to indoor temperature reaches 21 DEG C, compressor 10, thermal source water pump 15, use side water circulating pump 2 are shut down successively, through shutting down after a while, room temperature is reduced to 19 DEG C again, unit restarts, at this moment, in the situation that climate temperature is low, unit is operated in and uses between side water temperature 20 DEG C-45 DEG C, in the situation that temperature is high, earth source heat pump unit is operated in and uses between side water temperature 20 DEG C-35 DEG C, room temperature just can reach 21 DEG C, in a word, meets room temperature, the start of water temperature two condition simultaneously, meet room temperature, one of them condition of water temperature is just shut down, unit accumulated running time shortens 40-60% than prior art and average Energy Efficiency Ratio is high,
B. after earth source heat pump work arrives the shutdown of design temperature complete machine to indoor temperature, earth source heat pump microcomputer controller 8 controls unit and automatically operates in the temperature that " heat-preserving anti-freezing pattern " detect according to unit outdoor environment temperature sensor 25, the earth source heat pump unit of the present embodiment ran 20 minutes automatically at interval of 3 hours, under " heat-preserving anti-freezing pattern ", between earth source heat pump unit is operated in and uses side water temperature 20-30 DEG C, because now condensation temperature is very low, Energy Efficiency Ratio up to 5.7, and can ensure that water system does not freeze;
C. after shutting down festivals or holidays and unit timing, earth source heat pump microcomputer controller 8 controls unit and operates in the temperature that " anti-freezing pattern vacation " earth source heat pump unit detects according to outdoor environment temperature sensor 25, earth source heat pump unit ran 20 minutes automatically at interval of 2 hours, prevented Heating by Ground Source Heat Pump water system from freezing;
D., when earth source heat pump unit breaks down, earth source heat pump microcomputer controller 8 controls unit autostop and reports to the police and show fault type and solution in detail with written form, for user and producer after sale personnel provide convenience.
Claims (5)
1. the constant temperature of an earth source heat pump, energy-saving control system, it is provided with ground-source heat pump host (1), earth source heat pump microcomputer controller (8), use side water circulating pump (2), thermal source water pump (15), it is characterized in that, the temperature sensor that earth source heat pump microcomputer controller (8) is connected with comprises heating indoor temperature sensor (6), use side feed temperature sensor (7), use side return water temperature sensor (3), ground-source heat pump host environment temperature sensor (9), thermal source leaving water temperature sensors (13), thermal source inflow temperature sensor (16), condenser temperature sensor (11), evaporator temperature sensor (19), outdoor environment temperature sensor (25), each temperature sensor connects the temperature input mouth of earth source heat pump microcomputer controller main control board respectively, the main control board On-off signal port of earth source heat pump microcomputer controller is connected respectively phase sequence, open-phase relay, suction pressure of compressor, pressure at expulsion relay, use side discharge switch, heat source side discharge switch, overheat of compressor relay, use the overtemperature relay of side water circulating pump, heat source water pump power motor, the main control board output port of microcomputer controller connects the drive coil driving compressor, use the A.C. contactor of side water circulating pump, thermal source water pump respectively.
2. constant temperature, the energy-saving control system of earth source heat pump according to claim 1, it is characterized in that, local source heat pump microcomputer controller (8) comprising: main control board (U1), D.C. regulated power supply module (U2), temperature sensor (WR1-9), relay output module (U3), liquid crystal display and operational module (U4), relay switching variable input module (U5), On-off signal relay comprises: phase sequence open-phase relay, suction pressure of compressor, pressure at expulsion relay, use side discharge switch, heat source side discharge switch, overheat of compressor relay, use side water circulating pump, heat source water pump power motor overheating relay, D.C. regulated power supply module (U2) is input AC220V, output D.C. regulated power supply provides power supply to each module of controller, the P1-10 temperature input mouth of main control board is connected respectively temperature sensor (WR1-9), the P31-33 port of main control board connects D.C. regulated power supply module (U2), the P21-30 relay output end mouth of main control board connects relay output module (U3), the P34-36 port of main control board connects liquid crystal display and operational module (U4), the P11-20 relay input port of main control board is connected respectively and uses side discharge switch (K1), Compressor Discharge Pressure switch (K2), suction pressure of compressor switch (K3), heat source side discharge switch (K4) and phase sequence, open-phase relay (J1), the A.C. contactor of relay output module (U3) connects use side water circulating pump (SHB) respectively, thermal source water pump (RSB) and compressor (YSJ).
3. earth source heat pump constant temperature according to claim 1 and 2, energy-saving control system, it is characterized in that, what local source heat pump microcomputer controller (8) increased is indoor temperature transmitter and outdoor environment temperature sensor, and earth source heat pump unit is controlled by indoor temperature transmitter, outdoor environment temperature sensor, the use side cooling-water temperature sensor of detecting temperature simultaneously.
4. constant temperature, the energy-saving control system of earth source heat pump according to claim 1; it is characterized in that, earth source heat pump microcomputer controller (8) be also set with " constant temperature heating ", " constant temperature refrigeration ", " heat-preserving anti-freezing ", " vacation is antifreeze " and unit fault time autostop report to the police, text importing fault type and solution.
5. constant temperature, the energy-saving control system of earth source heat pump according to claim 1, it is characterized in that, earth source heat pump microcomputer controller (8) is also respectively equipped with heating timed power on/off, refrigeration timed power on/off, indoor temperature setting, uses side water temperature setting, fault inquiry, real time data query pattern, and each temperature parameter of the system that is provided with sets, each time parameter set model, also be provided with Non-follow control, fast debugging pattern, be provided with again adjustment temperature sensor deviation, the conversion of input switch amount, clock setting pattern.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520405917.XU CN204739735U (en) | 2015-06-12 | 2015-06-12 | Constant temperature of earth source heat pump, energy -saving control system |
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| CN201520405917.XU CN204739735U (en) | 2015-06-12 | 2015-06-12 | Constant temperature of earth source heat pump, energy -saving control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371340A (en) * | 2015-12-17 | 2016-03-02 | 哈尔滨五建工程有限责任公司 | Small solar ground-source heat pump system for villas in severe cold area and running method |
| CN105485830A (en) * | 2015-06-12 | 2016-04-13 | 张宝明 | Constant-temperature and energy-saving control system for ground source heat pumps, and control method thereof |
| CN114234371A (en) * | 2021-12-15 | 2022-03-25 | 珠海格力电器股份有限公司 | Air source heat pump water machine, control method and device thereof and storage medium |
-
2015
- 2015-06-12 CN CN201520405917.XU patent/CN204739735U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485830A (en) * | 2015-06-12 | 2016-04-13 | 张宝明 | Constant-temperature and energy-saving control system for ground source heat pumps, and control method thereof |
| CN105485830B (en) * | 2015-06-12 | 2018-11-20 | 张宝明 | Constant temperature, energy-saving control system and its control method of earth source heat pump |
| CN105371340A (en) * | 2015-12-17 | 2016-03-02 | 哈尔滨五建工程有限责任公司 | Small solar ground-source heat pump system for villas in severe cold area and running method |
| CN114234371A (en) * | 2021-12-15 | 2022-03-25 | 珠海格力电器股份有限公司 | Air source heat pump water machine, control method and device thereof and storage medium |
| CN114234371B (en) * | 2021-12-15 | 2023-01-10 | 珠海格力电器股份有限公司 | Air source heat pump water machine, control method and device thereof and storage medium |
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