CN202350401U - Water source water flow control device for water source heat pump system - Google Patents
Water source water flow control device for water source heat pump system Download PDFInfo
- Publication number
- CN202350401U CN202350401U CN 201120499810 CN201120499810U CN202350401U CN 202350401 U CN202350401 U CN 202350401U CN 201120499810 CN201120499810 CN 201120499810 CN 201120499810 U CN201120499810 U CN 201120499810U CN 202350401 U CN202350401 U CN 202350401U
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- CN
- China
- Prior art keywords
- water
- heat pump
- water source
- source heat
- temperature sensor
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
Abstract
The utility model discloses a water source water flow control device for a water source heat pump system. The device comprises water inlet temperature sensors, a water source lift pump, water outlet temperature sensors, a variable flow controller and a frequency converter, wherein the water inlet temperature sensors and the water source lift pump are arranged on water inlet pipelines of water source heat pump units; the water outlet temperature sensors are arranged on water outlet pipelines of the water source heat pump units; the variable flow controller is electrically connected with the water source heat pump units, the water inlet temperature sensors and the water outlet temperature sensors; and the frequency converter is electrically connected with the variable flow controller and the water source lift pump. Linkage vales on the pipelines of the water source heat pump units, a water source water extraction volume and the quantity of water recharge are controlled under the condition of safety running of the water source heat pump units according to the magnitude of an actual load of a user; and the device is simple in structure and convenient to operate.
Description
Technical field
The utility model relates to the water source heat pump system field, specifically is a kind of water source heat pump system source water volume control device.
Background technology
Development along with water source heat pump technologies such as underground water, the faces of land; Ground groundwater source heat pump application such as domestic such as Liaoning, Beijing, Henan, Xuzhou, Shaanxi are increasing with the area of building cooling heating hot water; Water source heat pump units the time is to provide cold or heat supply for the client underground water (or surface water etc.) energy lift in work; The relation of the hot-cool demand of common customer and the proportional example of underground water energy approximation, but exist some not enough in the current water source heat pump technology application item: the first, the constant flow design is pressed by the source water system in the groundwater source heat pump system design; Cause the groundwater run off of exploitation more and more; Simultaneously recharging technique is immature, and it is big to recharge difficulty, will certainly damage phreatic sustainable use; Second; The work of water source heat pump units is along with client's demand, phreatic water lift variations in temperature change; When if customer demand is very little; The phreatic Inlet and outlet water temperature difference is very little, and unit operating pressure and pressure reduction may not satisfy the safety requirements of unit, and she causes the water source heat pump units job insecurity probably; The 3rd, and water pump full speed operation always, energy consumption is high; The 4th, southern area underground water temperature is higher, and in the heat supply in winter, the groundwater recharge temperature is higher, and heat can not fully extract, and northern area underground water temperature is lower, and in freezing summer, the groundwater recharge temperature is lower, and cold can not fully extract.
The utility model content
The technical problem that the utility model will solve provides a kind of water source heat pump system source water volume control device; Size according to user's actual load (changes in temperature demand); Work as required through Frequency Converter Control source water changes in flow rate, many water source heat pump units of coordination, guarantee safe, the economize on electricity running of water source heat pump units.
The technical scheme of the utility model is:
A kind of water source heat pump system source water volume control device; Described water source heat pump units through inlet channel be connected with the water supply source well, through outlet conduit with recharge water supply well and be connected; The water inlet end of inlet channel is provided with the water source lift pump; Interstage valve is set on the inlet channel, and described water source heat pump system source water volume control device comprises the inflow temperature sensor that is arranged on the inlet channel, is arranged at the leaving water temperature sensor on the outlet conduit, the unsteady flow amount controller that is connected with water source heat pump units, inflow temperature sensor and leaving water temperature sensor electrical, the frequency converter that is electrically connected with unsteady flow amount controller and water source lift pump.
Described water source heat pump units is a plurality of; All be connected with the branch inlet channel on a plurality of water source heat pump units and divide outlet conduit; The aboveground water inlet manifold road that is connected with of water supply source; Recharge that the water source is aboveground to be connected with total outlet conduit, the water inlet end of described a plurality of minutes inlet channels all is connected with the water side in water inlet manifold road, and the water side of a plurality of minutes outlet conduits all is connected with the water inlet end of total outlet conduit; Be provided with branch inflow temperature sensor on the described a plurality of minutes inlet channels and divide interstage valve; Be provided with on a plurality of minutes outlet conduits and tell water temperature sensor, be provided with total inflow temperature sensor and total leaving water temperature sensor on water inlet manifold road and the total outlet conduit; The branch inflow temperature sensor of described each water source heat pump units, tell water temperature sensor and divide interstage valve all corresponding extension set group controller electrical connection with each water source heat pump units, each extension set group controller, always the inflow temperature sensor and always the leaving water temperature sensor all be electrically connected with the unsteady flow amount controller.
Described water supply source well and recharge and be connected with water return pipeline between the water supply well, water return pipeline is provided with back-water valve (BWV), and back-water valve (BWV) is electrically connected with the unsteady flow amount controller.
The advantage of the utility model:
(1), the water source heat pump units of not working is closed corresponding water source inlet valve, guarantee that the water source heat pump units of other work has enough discharge to pass through;
(2), adjustment source water flow guarantees that water source heat pump units has the suitable temperature difference, suitable operating pressure, guarantees its high-efficiency reliable running;
(3), frequency converter reaches minimum frequency and sets flow or unit and reach minimum when allowing flow; If still being fit to air-conditioning, uses the source water temperature at discharging condensate; Then with part or all bypass of draining get back to the feed well water source quiet in, make the water source energy obtain maximum extraction, reduce and recharge the water yield;
(4), the 4th, save water pump power consumption and source water extracted amount to greatest extent.
Description of drawings
Fig. 1 is the structural representation of the utility model; Wherein, "
" expression water route connects, and "
" indication circuit connects.
Wherein, 1-unsteady flow amount controller, 2-first generator set controller, 3-second generator set controller; 4-first water source heat pump units, 5-second water source heat pump units, the 6-first inflow temperature sensor, the 7-first leaving water temperature sensor; The 8-second leaving water temperature sensor, the 9-second inflow temperature sensor, 10-the 3rd inflow temperature sensor, 11-the 3rd leaving water temperature sensor; 12-first interstage valve, 13-second interstage valve, 14-frequency converter, 15-water source lift pump; 16-the 3rd interstage valve, 17-water supply source well, 18-recharges water supply well.
Fig. 2 is that water source heat pump system source water flow is with the change curve of opening the water source heat pump units load.
The specific embodiment
Water source heat pump units comprises first water source heat pump units 4 and second water source heat pump units 5; Be connected with first fen inlet channel and first fen outlet conduit on first water source heat pump units 4; Be connected with second fen inlet channel and second fen outlet conduit on second water source heat pump units 5; Be connected with the water inlet manifold road through the water source lift pump on the water supply source well 17; Recharge and be connected with total outlet conduit on the water supply well 18, the water inlet end of first fen inlet channel and second fen inlet channel all is connected with the water side in water inlet manifold road, and the water side of first fen outlet conduit and second fen outlet conduit all is connected with the water inlet end of total outlet conduit; The water supply source well connects 17 and recharge between the water supply well 18 and be connected with water return pipeline;
First fen inlet channel is provided with the first inflow temperature sensor 6 and 12, the first fens outlet conduits of first interstage valve are provided with the first leaving water temperature sensor 7; Second fen inlet channel is provided with the second inflow temperature sensor 9 and 13, the second fens outlet conduits of second interstage valve are provided with the second leaving water temperature sensor 8; Be respectively arranged with the 3rd inflow temperature sensor 10 and the 3rd leaving water temperature sensor 11 on water inlet manifold road and the total outlet conduit; Water return pipeline is provided with back-water valve (BWV) 16;
Water source heat pump system source water volume control device comprises first water source heat pump units 4, second water source heat pump units 5, water source lift pump 15, the first inflow temperature sensor 6, the first leaving water temperature sensor 7, the second inflow temperature sensor 9, the second leaving water temperature sensor 8, the 3rd inflow temperature sensor 10, the 3rd leaving water temperature sensor 11, first interstage valve 12, second interstage valve 13, back-water valve (BWV) 16, first generator set controller 2, second generator set controller 3, unsteady flow amount controller 1 and is connected in the frequency converter 14 on the water source lift pump 15; First water source heat pump units 4, the first inflow temperature sensor 6, the first leaving water temperature sensor 7 and first interstage valve 12 all are electrically connected with first generator set controller 2; Second water source heat pump units 5, the second inflow temperature sensor 9, the second leaving water temperature sensor 8 and second interstage valve 13 all are electrically connected with second generator set controller 2; First generator set controller 2, second generator set controller 3, the 3rd inflow temperature sensor 10, the 3rd leaving water temperature sensor 11, back-water valve (BWV) 16 and frequency converter 14 all are electrically connected with unsteady flow amount controller 1.
The control method of water source heat pump system source water volume control device:
(1), frequency converter working method:
Unsteady flow amount controller 1 receives each generator set controller signal (comprising unit on off state, load, water temperature, operating pressure, fault etc.); Control the change of frequency of frequency converter 14 according to the duty of each unit; Frequency converter 14 control water source lift pump 15 changes in flow rate; There is minimum bottom line (C1 among Fig. 2, the C2 that allows working flow in water source heat pump units ... The CN curve), as far as frequency converter design low-limit frequency corresponding flow bottom line (the B curve among Fig. 2).
See Fig. 2; Calculate theoretical water source heat pump system working flow change curve A according to water source heat pump system duty (for example water temperature, refrigerant pressure, refrigerant temperature platform number, load etc.); Wherein, the abscissa of Fig. 2 representes that from left to right (0＜minimum load≤1 is when separate unit unit minimum load is 25% from separate unit unit minimum load for the load of water source heat pump system work; The maximal workload that promptly is the separate unit unit is 100kw; The actual minimum load that uses is 25kw, is exactly 25% load) process of the load standard-sized sheet of N platform water source heat pump units in the system, ordinate is represented the source water flow of water source heat pump system; Maximum stream flow is represented with 100%; The B curve is represented the source water flow curve that the frequency converter minimum frequency is corresponding, the minimum source water flow that the minimum source water flow that the C1 lines allow when representing to open 1 unit, C2 lines allow when representing to open 2 units; The minimum source water flow that the CN lines allow when representing to open N platform unit, V lines are represented the water source heat pump system real work flow of Frequency Converter Control.Variation according to building changes in temperature demand; Unit workbench number and load respective change; Load changes between separate unit unit minimum load to N platform unit load; The minimum source water flow of its water source heat pump system changes thereupon, guarantees that the flow of arbitrary load low-converter control is not less than curve A, B, C corresponding flow.
(2), first interstage valve, 12 working methods: when first water source heat pump units 4 quit work, first interstage valve 12 was closed, and when first water source heat pump units 4 was opened work, first interstage valve 12 was opened.
(3), second interstage valve, 13 working methods: when second water source heat pump units 5 quit work, second interstage valve 13 was closed, and when first water source heat pump units 5 was opened work, second interstage valve 13 was opened.
(4), the working method of back-water valve (BWV) 16: the temperature that the 3rd inflow temperature sensor 10 and the 3rd return water temperature sensor 11 detect is when suitable scope; Be water supply source well 17 leaving water temperature with recharge water supply well 18 temperature difference when very little, unsteady flow amount controller 1 control back-water valve (BWV) 16 is opened and is back in the water supply source well 17 through recharging water supply well 18.
Claims (3)
1. water source heat pump system source water volume control device; Described water source heat pump units through inlet channel be connected with the water supply source well, through outlet conduit with recharge water supply well and be connected; The water inlet end of inlet channel is provided with the water source lift pump; Interstage valve is set on the inlet channel, it is characterized in that: described water source heat pump system source water volume control device comprises the inflow temperature sensor that is arranged on the inlet channel, is arranged at the leaving water temperature sensor on the outlet conduit, the unsteady flow amount controller that is connected with water source heat pump units, inflow temperature sensor and leaving water temperature sensor electrical, the frequency converter that is electrically connected with unsteady flow amount controller and water source lift pump.
2. a kind of water source heat pump system source water volume control device according to claim 1; It is characterized in that: described water source heat pump units is a plurality of; All be connected with the branch inlet channel on a plurality of water source heat pump units and divide outlet conduit; The aboveground water inlet manifold road that is connected with of water supply source; Recharge that the water source is aboveground to be connected with total outlet conduit, the water inlet end of described a plurality of minutes inlet channels all is connected with the water side in water inlet manifold road, and the water side of a plurality of minutes outlet conduits all is connected with the water inlet end of total outlet conduit; Be provided with branch inflow temperature sensor on the described a plurality of minutes inlet channels and divide interstage valve; Be provided with on a plurality of minutes outlet conduits and tell water temperature sensor, be provided with total inflow temperature sensor and total leaving water temperature sensor on water inlet manifold road and the total outlet conduit; The branch inflow temperature sensor of described each water source heat pump units, tell water temperature sensor and divide interstage valve all corresponding extension set group controller electrical connection with each water source heat pump units, each extension set group controller, always the inflow temperature sensor and always the leaving water temperature sensor all be electrically connected with the unsteady flow amount controller.
3. a kind of water source heat pump system source water volume control device according to claim 1; It is characterized in that: described water supply source well and recharge and be connected with water return pipeline between the water supply well; Water return pipeline is provided with back-water valve (BWV), and back-water valve (BWV) is electrically connected with the unsteady flow amount controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120499810 CN202350401U (en) | 2011-12-06 | 2011-12-06 | Water source water flow control device for water source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120499810 CN202350401U (en) | 2011-12-06 | 2011-12-06 | Water source water flow control device for water source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202350401U true CN202350401U (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120499810 Expired - Fee Related CN202350401U (en) | 2011-12-06 | 2011-12-06 | Water source water flow control device for water source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202350401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419040A (en) * | 2011-12-06 | 2012-04-18 | 安徽日源环保能源科技有限公司 | Water source flow control device of water source heat pump system |
| CN102967096A (en) * | 2012-12-12 | 2013-03-13 | 吴德明 | Automatic control system for tap water source heat pump |
-
2011
- 2011-12-06 CN CN 201120499810 patent/CN202350401U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102419040A (en) * | 2011-12-06 | 2012-04-18 | 安徽日源环保能源科技有限公司 | Water source flow control device of water source heat pump system |
| CN102967096A (en) * | 2012-12-12 | 2013-03-13 | 吴德明 | Automatic control system for tap water source heat pump |
| CN102967096B (en) * | 2012-12-12 | 2016-03-02 | 吴德明 | The robot control system(RCS) of water resource heat pump from the beginning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI RIYUAN INDUSTRY DEVELOPMENT CO., LTD. Free format text: FORMER OWNER: ANHUI RIYUAN ENVIRONMENT PROTECTION ENERGY SCI. + TECH. CO., LTD. Effective date: 20140207 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 230088 HEFEI, ANHUI PROVINCE TO: 247126 CHIZHOU, ANHUI PROVINCE |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140207 Address after: 247126 central city of Jiangnan industrial concentration area, Anhui Province Patentee after: Anhui daily source industrial development Limited by Share Ltd Address before: High tech Zone Hefei city Anhui province 230088 Wangjiang Road, No. 535 Wen building 8 floor Patentee before: Anhui Riyuan Environmental Protection Energy Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: ANHUI SHENGYUAN WEIYE INDUSTRIAL DEVELOPMENT CO., Free format text: FORMER OWNER: ANHUI RIYUAN INDUSTRY DEVELOPMENT CO., LTD. Effective date: 20140729 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140729 Address after: 247126 central city of Jiangnan industrial concentration area, Anhui, Chizhou Patentee after: Albert Anhui Sheng Industry Development Limited by Share Ltd Address before: 247126 central city of Jiangnan industrial concentration area, Anhui Province Patentee before: Anhui daily source industrial development Limited by Share Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20191206 |