CN112856547A - Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof - Google Patents
Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof Download PDFInfo
- Publication number
- CN112856547A CN112856547A CN202110330599.5A CN202110330599A CN112856547A CN 112856547 A CN112856547 A CN 112856547A CN 202110330599 A CN202110330599 A CN 202110330599A CN 112856547 A CN112856547 A CN 112856547A
- Authority
- CN
- China
- Prior art keywords
- unit
- tail end
- water
- temperature
- temperature sensing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910000776 Common brass Inorganic materials 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
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
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- 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
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
Landscapes
- 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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention relates to the technical field of heat pumps, in particular to an electromagnetic valve component device for improving the heat efficiency of a heat pump heating system and a control method thereof; after the unit is started to operate, the unit judges and drives the control unit (4) to control the switch unit (B) to be opened and closed according to the operation mode, the tail end return water temperature detected by the temperature sensing unit (A) and the tail end outlet water temperature detected by the temperature sensing unit (C), so as to achieve the purpose of automatically adjusting the water flow entering the tail end and the temperature difference of inlet and outlet water, and the switch unit is controlled to be opened and closed by combining the operation mode of the unit and the data fed back by the temperature sensing units of the unit by the control unit, thereby adjusting the water flow entering the tail end and the temperature difference of the inlet water and the outlet water, ensuring that the water flow entering the unit can meet the large flow small temperature difference and the water flow entering the tail end can meet the small flow large temperature difference under the heating mode, thereby simultaneously exerting the optimal heat efficiency of the unit and the tail end to improve the heat efficiency of the whole heat pump heating system.
Description
Technical Field
The invention relates to the technical field of heat pumps, in particular to an electromagnetic valve component device for improving the heat efficiency of a heat pump heating system and a control method thereof.
Background
As is well known, in the process of heating by a heat pump heating unit, the circulating water entering the heat pump heating unit can only exert the optimal thermal efficiency of the unit if the circulating water meets the requirement of 'large flow and small temperature difference', and the hot water coming out of the unit can only exert the optimal thermal efficiency of the tail end if the circulating water meets the requirement of 'small flow and large temperature difference'; in daily application, because the same water system is adopted, the water flow entering the unit and the water flow at the tail end are the same, and the large-flow small temperature difference required by the unit and the small-flow large temperature difference required by the tail end cannot be considered at the same time, so that the optimal heat efficiency of the unit and the tail end cannot be exerted at the same time, and the heat efficiency of the whole heat pump heating system is influenced.
In order to solve the problem, on the premise of preferentially ensuring the large flow and small temperature difference required by the unit, the heat exchange area of the tail end is increased so as to improve the heat efficiency of the tail end, but the scheme has the following defects: when the heat exchange area of the tail end is increased, the manufacturing cost is increased, and the occupied area of the tail end is increased.
Disclosure of Invention
The invention aims to solve the technical problems and provides an electromagnetic valve component device for improving the thermal efficiency of a heat pump heating system and a control method thereof aiming at the technical defects, after the unit is started to operate, the unit judges and drives a control unit (4) to control a switch unit (B) to open and close according to an operation mode, the tail end return water temperature detected by a temperature sensing unit (A) and the tail end outlet water temperature detected by a temperature sensing unit (C), so as to achieve the purpose of automatically adjusting the water flow entering the tail end and the temperature difference of inlet and outlet water, and the control unit controls the switch unit to open and close by combining the operation mode of the unit and data fed back by each temperature sensing unit of the unit, so as to adjust the water flow entering the tail end and the temperature difference of the inlet and outlet water, thereby ensuring that the water flow entering the unit can meet the 'large flow small temperature difference' in the heating mode, and the water flow entering the tail end can meet the requirement of small flow and large temperature difference, so that the optimal heat efficiency of the unit and the tail end is exerted simultaneously, and the heat efficiency of the whole heat pump heating system is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the temperature sensing unit and the switch unit are respectively and electrically connected with the control unit, in addition, for convenience of understanding, a power supply L and a power supply N are also schematically drawn in the drawing, the temperature sensing unit A is used for connecting the switch unit B, the temperature sensing unit A and the temperature sensing unit C, and a copper connecting pipe 1 and a copper connecting pipe 2 of the three-way pipe are also drawn, so that a relatively complete system is formed.
The technical scheme is further optimized, if the delta T-specified value is more than or equal to 0 and the delta T-specified value p is more than or equal to 0 for 15 seconds, the switch unit B is closed to realize that the circulating water directly enters the tail end after coming out of the water tank, otherwise, the switch unit B is opened to realize that part of the circulating water is shunted and directly enters the water tank through the circulating pump without passing through the tail end so as to achieve the purpose of regulating the water flow entering the tail end and the temperature difference of inlet and outlet water at the tail end to achieve the purpose of small flow and large temperature difference so as to improve the heat efficiency of the whole heat pump heating system.
Further optimizing the technical scheme, the Δ T is a difference between an actual temperature sensed by the temperature sensing unit C and an actual temperature sensed by the temperature sensing unit a in the heating mode.
The technical scheme is further optimized, and the specified value is the optimal heat exchange temperature difference value of the terminal equipment in various forms in the normal condition unit heating mode in the current environment temperature interval.
Compared with the prior art, the invention has the following advantages: because the traditional way is on the premise of preferentially ensuring the large flow and small temperature difference required by the unit, the heat exchange area of the tail end is increased, so that the heat efficiency of the tail end is improved, but the scheme has the following defects: when the heat exchange area of the tail end is increased, the manufacturing cost is increased, and the occupied area of the tail end is increased. In summary, the invention can improve the heat efficiency of the heat pump heating system and reduce the heat exchange area at the tail end, thereby reducing the occupied area and the investment cost.
Drawings
Fig. 1 is a schematic view of an electromagnetic valve assembly apparatus for improving thermal efficiency of a heat pump heating system and a control method thereof.
In the figure: 1. a heat pump heating outdoor unit; 2. a heat pump heating indoor unit; 3. a use side terminus; 4. a control unit; 5. a water tank inlet; 6. a water tank heating unit; 7. a refrigerant outlet of the water-fluorine heat exchanger; 8. a refrigerant inlet of the water-fluorine heat exchanger; 9. a water outlet of the water-fluorine heat exchanger; 10. a water tank; 11. a water outlet 2 of the water tank; 12. a water fluorine heat exchanger; 13. a water inlet of the water-fluorine heat exchanger; 14. a water outlet of the water pump; 15. a water circulating pump; 16. an indoor unit refrigerant inlet; 17. an indoor unit refrigerant outlet; 18. a water return port of the indoor unit; 19. a water outlet of the indoor unit; 20. a liquid pipe stop valve of the outdoor unit; 21. an outdoor unit air pipe stop valve; 22. a terminal water inlet; 23. a tail end water outlet; 24. a water outlet of the water tank; 25. a solenoid valve assembly; 26. a three-way pipe; 27. a copper connecting pipe A; 28. a copper connecting pipe B; A. the temperature of the return water at the tail end of the temperature sensing unit; B. a switching unit solenoid valve; C. the temperature of the water discharged from the tail end of the temperature sensing unit; D. the temperature of the water tank of the temperature sensing unit; E. the temperature sensing unit is used for sensing the outdoor ambient temperature.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The technical scheme of the invention is as follows: the invention relates to a control method for improving the heat efficiency of a heat pump heating system, which is characterized in that after a unit is started to operate, the unit judges and drives a control unit (4) to control a switch unit (B) to be opened and closed according to an operation mode, the tail end return water temperature detected by a temperature sensing unit (A) and the tail end outlet water temperature detected by a temperature sensing unit (C), so that the purposes of automatically adjusting the water flow entering the tail end and the temperature difference of inlet and outlet water are achieved. The detailed technical control scheme is as follows:
when a heat pump heating outdoor unit (1) is started (heating mode), if the delta T-specified value is more than or equal to 0 and the delta T-specified value is more than or equal to 0 for 10 seconds, the switch unit (B) is closed to realize that the circulating water directly enters the tail end and a room to be used for heat exchange after coming out of the water tank, otherwise, the switch unit (B) is opened to realize that part of the circulating water is shunted after coming out of the water tank, directly enters the high-efficiency tank through the circulating water pump without passing through the tail end to be subjected to secondary heating and then is mixed with water in the water tank, the temperature of the water in the water tank is increased after being mixed, and then part of the water is shunted to enter the tail end, so that the purposes of regulating the water flow entering the tail end and the temperature; the delta T is the difference between the actual temperature sensed by the actually measured temperature sensing unit (C) and the actual temperature sensed by the temperature sensing unit (A) in the heating mode, and the specified value is the optimal heat exchange temperature difference value of the tail end of the unit in the heating mode in the current environment temperature range.
As an improvement, the switch unit (B) for controlling water flow is a stainless steel on-off electromagnetic valve which is more stable and reliable than a common brass on-off electromagnetic valve, so that the stability and reliability of key parts of a unit can be ensured, and the probability of the phenomenon that the thermal efficiency of the tail end is reduced because water flow cannot pass due to the fault of the on-off electromagnetic valve can be reduced.
As a further improvement, if (delta T-specified value is more than or equal to 0) and (delta T-specified value is more than or equal to 0 for 15 seconds), the switch unit (B) is closed to realize that the circulating water directly enters the tail end after coming out of the water tank, otherwise, the switch unit (B) is opened to realize that part of the circulating water is shunted and directly enters the circulating pump without passing through the tail end so as to adjust the water flow entering the tail end and the temperature difference of the inlet and outlet water to achieve the purpose of small flow and large temperature difference, 15 seconds are the preferred data obtained by experiments, and the method is more favorable for further adjusting the water flow entering the tail end and improving the temperature difference of the tail end compared with 10 seconds, thereby further improving the heat exchange efficiency of the tail end
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (4)
1. A solenoid valve assembly device for improving the thermal efficiency of a heat pump heating system is characterized in that: the temperature control system comprises a control unit (4), a temperature sensing unit (A) for detecting the temperature of inlet water at the tail end, a temperature sensing unit (C) for detecting the temperature of outlet water at the tail end, a solenoid valve assembly (25) for shunting water, a switch unit (B) for forming the solenoid valve assembly (25), and a three-way pipe (26), wherein the temperature sensing units and the switch unit are respectively and electrically connected with the control unit, in addition, for the convenience of understanding, power supplies L and N are also schematically drawn in the drawing and used for connecting the switch unit (B), the temperature sensing unit (A) and the temperature sensing unit (C), and a copper connecting pipe 1(27) and a copper connecting pipe 2(28) of the three-way pipe (26) are also drawn so as to form a relatively complete system.
2. The control method of the solenoid valve assembly unit for improving the heat efficiency of a heat pump heating system according to claim 1, wherein: if the delta T-specified value is more than or equal to 0 and the delta T-specified value p is more than or equal to 0 for 15 seconds, the switch unit (B) is closed to realize that the circulating water directly enters the tail end after coming out of the water tank, otherwise, the switch unit (B) is opened to realize that part of the circulating water is shunted and directly enters the water tank through the circulating pump without passing through the tail end so as to adjust the water flow entering the tail end and the temperature difference of the inlet water and the outlet water at the tail end to achieve the aim of improving the heat efficiency of the whole heat pump heating system by adjusting the water flow entering the tail end and the temperature.
3. The control method of the solenoid valve assembly unit for improving the heat efficiency of a heat pump heating system according to claim 1, wherein: and the delta T is the difference between the actual temperature sensed by the temperature sensing unit (C) and the actual temperature sensed by the temperature sensing unit (A) in the heating mode.
4. The control method of the solenoid valve assembly unit for improving the heat efficiency of a heat pump heating system according to claim 1, wherein: the specified value is the optimal heat exchange temperature difference value of the tail end equipment in various forms in the heating mode of the unit under the normal condition in the current environment temperature interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330599.5A CN112856547A (en) | 2021-03-29 | 2021-03-29 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330599.5A CN112856547A (en) | 2021-03-29 | 2021-03-29 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112856547A true CN112856547A (en) | 2021-05-28 |
Family
ID=75993048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110330599.5A Pending CN112856547A (en) | 2021-03-29 | 2021-03-29 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112856547A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140023593A (en) * | 2012-08-16 | 2014-02-27 | 주식회사 한성시스코 | Individual heating system and method for controlling the same |
| CN203869151U (en) * | 2013-07-04 | 2014-10-08 | 北京帅安节能设备有限公司 | Heating energy-saving control equipment for office building |
| CN104879925A (en) * | 2015-06-10 | 2015-09-02 | 江苏天舒电器有限公司 | Control device for direct-heating heat pump water heater and control method of control device |
| CN105890015A (en) * | 2016-05-31 | 2016-08-24 | 马鞍山市博浪热能科技有限公司 | Air source heat pump refrigerating and heating system and control method thereof |
| CN207035494U (en) * | 2017-08-09 | 2018-02-23 | 威海乔圣电取暖设备有限公司 | Service water accumulation of energy electric boiler |
| CN107842897A (en) * | 2017-11-30 | 2018-03-27 | 陈斌 | CO2 floor heatings heat pump realizes confession, the efficient transcritical operation heat exchange enclosed circulation heating water system of the small temperature difference of backwater |
| CN110220237A (en) * | 2019-06-21 | 2019-09-10 | 北京新能乐业科技有限公司 | Net for air-source heat pump units and heat accumulating type electric heater unit combining heating system and method |
| CN216307942U (en) * | 2021-03-29 | 2022-04-15 | 河北博志热能设备有限公司 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system |
-
2021
- 2021-03-29 CN CN202110330599.5A patent/CN112856547A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140023593A (en) * | 2012-08-16 | 2014-02-27 | 주식회사 한성시스코 | Individual heating system and method for controlling the same |
| CN203869151U (en) * | 2013-07-04 | 2014-10-08 | 北京帅安节能设备有限公司 | Heating energy-saving control equipment for office building |
| CN104879925A (en) * | 2015-06-10 | 2015-09-02 | 江苏天舒电器有限公司 | Control device for direct-heating heat pump water heater and control method of control device |
| CN105890015A (en) * | 2016-05-31 | 2016-08-24 | 马鞍山市博浪热能科技有限公司 | Air source heat pump refrigerating and heating system and control method thereof |
| CN207035494U (en) * | 2017-08-09 | 2018-02-23 | 威海乔圣电取暖设备有限公司 | Service water accumulation of energy electric boiler |
| CN107842897A (en) * | 2017-11-30 | 2018-03-27 | 陈斌 | CO2 floor heatings heat pump realizes confession, the efficient transcritical operation heat exchange enclosed circulation heating water system of the small temperature difference of backwater |
| CN110220237A (en) * | 2019-06-21 | 2019-09-10 | 北京新能乐业科技有限公司 | Net for air-source heat pump units and heat accumulating type electric heater unit combining heating system and method |
| CN216307942U (en) * | 2021-03-29 | 2022-04-15 | 河北博志热能设备有限公司 | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103900138B (en) | A kind of double-compressor air energy heat pump heating system | |
| CN203533802U (en) | Air-conditioning system | |
| CN105240996A (en) | Method for controlling air conditioner | |
| CN105115065A (en) | Air conditioner control method | |
| CN106322768B (en) | Water heater and control method thereof | |
| CN109357442A (en) | Heat pump system and control method | |
| CN108954626A (en) | A kind of building cooling supply heating system and its control method | |
| WO2021212962A1 (en) | Water heating unit | |
| WO2021212956A1 (en) | Control method for hot water unit | |
| WO2021068358A1 (en) | Multi-line defrosting control method | |
| CN105485908A (en) | Hot water system and control method thereof | |
| EP4354048A1 (en) | Heat pump system and control method therefor | |
| CN103900247A (en) | Instant water heater | |
| CN209246470U (en) | Heat pump system | |
| CN103673295A (en) | Directly-heating type water tank water heating flow path system and control method thereof | |
| CN109282522B (en) | Temperature control method based on proportional control valve and air heat source pump with same | |
| CN103900139B (en) | A kind of inner water-tank air energy heat pump heating system | |
| CN216307942U (en) | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system | |
| CN110500680B (en) | Control method of heat exchange system for heating by matching air conditioning unit and wall-mounted boiler | |
| CN112856547A (en) | Electromagnetic valve assembly device for improving heat efficiency of heat pump heating system and control method thereof | |
| CN105241108B (en) | Modularization hot water air-conditioning system and its control method | |
| CN111829215A (en) | Control method for improving refrigeration energy efficiency of low-temperature heat pump unit through electromagnetic valve | |
| CN216307941U (en) | Heating assembly device for improving heating effect of side room for heating of heat pump | |
| CN206191905U (en) | Air can hot -water heating system | |
| CN212457060U (en) | Novel pressure-bearing type hot water system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |