CN203573558U - Water source heat pump simulation test bench - Google Patents
Water source heat pump simulation test bench Download PDFInfo
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- CN203573558U CN203573558U CN201320704660.9U CN201320704660U CN203573558U CN 203573558 U CN203573558 U CN 203573558U CN 201320704660 U CN201320704660 U CN 201320704660U CN 203573558 U CN203573558 U CN 203573558U
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Abstract
The utility model relates to a water source heat pump simulation test bench, which is used for simulating and demonstrating the working principle of the water source heat pump in teaching. A constant-temperature water source is simulated via a large water tank; the large water tank is connected with a circulating pump, a filter, a first coil heat exchanger and a first check valve via a water pipe to form a backwater main line; an expansion water tank is connected onto the backwater main line via a water supply pipe; a second coil heat exchanger, a four-way reversing valve, the first coil heat exchanger and a refrigeration check valve channel/heating check valve channel are sequentially connected via a pipeline; and the third pipe orifice and the fourth pipe orifice of the four-way reversing valve are respectively connected with the input end and the output end of a compressor to form a refrigerant circulation loop. Thus, the working process and the working principle of the water source heat pump can be demonstrated via water circulation and refrigeration and heating circulation, and the cost is low.
Description
Technical field
The utility model relates to a kind of simulator stand, relates in particular to a kind of water resource heat pump simulator stand.
Background technology
?water source heat pump central air-conditioning system is by end system, water-source heat-pump central air conditioner host computer system and water resource heat pump water system three part compositions.Winter is while being user's heat supply, water source heat pump central air-conditioning system extracts low grade heat energy from water source, the water-source heat-pump central air conditioner main frame (heat pump) " pump " driving by electric energy is delivered to high temperature heat source, promotes to deliver to after temperature in buildings, to meet user's heat demand using water as refrigerating medium.Summer, while being user's cooling, water source heat pump central air-conditioning system was transferred to waste heat indoor user in source water by water source central air conditioner main machine (refrigeration), because water source temperature is low, thus can take away efficiently heat, to meet user's refrigeration demand.Water source heat pump technology is by reclaiming low grade heat energy, and environmental protection, when reducing environmental pollution, has also greatly reduced operating cost.Therefore by technological demonstration, water source heat pump technology is more and more for actual air-conditioning system.Because physical device price is more expensive, the heat interchanger of water resource heat pump, much adopts shell-and-tube heat exchanger, structure relative complex; And consider the long-term of equipment, stable operation, has very strict requirement to water quality, therefore there is demineralized water treatment device, price is more expensive; And for different refrigeration occasions, compressor has very large difference, as piston machine, screw machine, hydro-extractor etc.; Actual water resource heat pump equipment need to dig a well or and actual river, lake heat exchange, systematic comparison complexity, and a set of equipment at least needs 100,000 yuan of left and right; And equipment, in order to control conveniently, adopts modular, is difficult to see inner structure.And in the teaching of refrigeration air-conditioner specialty, this is again very important a part of content, therefore need to develop teaching simulating device, react the course of work of water resource heat pump so that Students ' Learning understanding.
Utility model content
The purpose of this utility model is to provide a kind of water resource heat pump simulator stand, to react the course of work of water resource heat pump by low cost, and convenient teaching.
To achieve these goals, the utility model provides a kind of water resource heat pump simulator stand, comprise ebullator, filtrator, expansion tank, the first temperature-sensitive bag, the second temperature-sensitive bag, the first coil heat exchanger, compressor, the first non-return valve, the check valve passage of freezing, heat check valve passage, large water tank, four-way change-over valve, air-conditioning cell, wherein:
One second coil heat exchanger is set in described air-conditioning cell;
On described expansion tank, be provided with feed pipe, run-down pipe, drainpipe and water inlet pipe, described feed pipe is arranged on described expansion tank bottom, described run-down pipe is arranged on the coboundary of described expansion tank sidewall, described drainpipe is arranged on described expansion tank bottom, and described water inlet pipe is arranged on the top of described expansion tank;
Space, described the first non-return valve outside described large water tank and described ebullator, described filtrator, described the first coil heat exchanger coil pipe connect into a backwater arterial highway by water pipe; Described expansion tank accesses in described backwater arterial highway by described water inlet pipe;
First mouth of pipe of described four-way change-over valve is connected with coil pipe one end of described the first coil heat exchanger, second mouth of pipe of described four-way change-over valve is connected with coil pipe one end of described the second coil heat exchanger, the 3rd mouth of pipe of described four-way change-over valve and the 4th mouth of pipe are connected respectively input end and the output terminal of described compressor, the coil pipe other end of described the first coil heat exchanger and the coil pipe other end of described the second coil heat exchanger be connected to described refrigeration check valve passage in parallel with described in heat the two ends of check valve passage, form a refrigerant circulation loop;
Described refrigeration check valve passage with described in heat and in check valve passage, include non-return valve and equalizing valve, but in described refrigeration check valve passage the conducting direction of non-return valve is for to lead to described the second coil heat exchanger from described the first coil heat exchanger, and described in heat non-return valve in check valve passage conducting direction for to lead to described the first coil heat exchanger from described the second coil heat exchanger; At described the first coil heat exchanger and described the second coil heat exchanger, near the coil pipe mouth place, one end of described four-way change-over valve, described the first temperature-sensitive bag and described the second temperature-sensitive bag are housed respectively, and described the first temperature-sensitive bag is connected with the described equalizing valve heating in check valve passage, described the second temperature-sensitive bag is connected with the equalizing valve in described refrigeration check valve passage.
As preferably, in described air-conditioning cell, be provided with thermometer.
As preferably, in the water inlet of described the first coil heat exchanger, one temperature inductor is set.
As preferably, described compressor is selected small-sized totally-enclosed formula compressor.
Preferably, a blowoff valve is set and is connected in described backwater arterial highway, and the position of described blowoff valve is lower than the minimum point of described backwater arterial highway.
Preferably, described refrigeration check valve passage with described in heat and in check valve passage, be provided with two non-return valve and an equalizing valve, and described two non-return valve are connected to the two ends of described equalizing valve, and in same passage, the conducting direction of two non-return valve is consistent.
Preferably, in described large water tank both sides, the first valve and the second valve are set respectively.
The utility model, owing to adopting above technical scheme, has following advantage and good effect:
1) a kind of water resource heat pump simulator stand that the utility model provides, large water tank is simulated constant temperature water source, does not need well-digging or connects the water sources such as lake, can reflect the course of work and the principle of water resource heat pump, with low cost, convenient teaching.
2) a kind of water resource heat pump simulator stand that the utility model provides, adopts the expansion tank of simplifying, and only considers to test water inlet while starting; When water is too many, overflow; After experiment finishes, discharge water; Expansion tank, to system water supply, therefore simplify much in structure, has been removed the pipeline that demineralized water treatment device and numerous simulation test middle part need, and is easy to promote.
3) a kind of water resource heat pump simulator stand that the utility model provides, the in-built thermometer of air-conditioning cell, can, by calculating, draw refrigeration (heating) amount; By the temperature sensor of First Heat Exchanger water inlet, readable go out the variation of water temperature, calculate heat absorption (heat release) amount; Also can expand and calculate refrigeration, heating efficiency.
4) a kind of water resource heat pump simulator stand that the utility model provides, adopts coil heat exchanger, walks cold-producing medium in pipe, and pipe is outer emphasizes principle by the cold-producing medium heat exchange in air or water and pipe, and with low cost.
5) a kind of water resource heat pump simulator stand that the utility model provides, adopts small-sized totally-enclosed formula compressor simple in structure, with low cost, has simulated the principle of compressor in water resource heat pump equipment.
Accompanying drawing explanation
The structural representation of a kind of water resource heat pump simulator stand that Fig. 1 provides for the utility model;
The structure of the first coil heat exchanger intention in the embodiment that Fig. 2 provides for the utility model;
The structure of the second coil heat exchanger intention in the embodiment that Fig. 3 provides for the utility model.
Embodiment
Further illustrate the utility model with specific embodiment with reference to the accompanying drawings.
As shown in drawings, the preferred embodiment of a kind of water resource heat pump simulator stand providing for the utility model, comprising ebullator 1, filtrator 2, expansion tank 3, temperature-sensitive bag 4, the first coil heat exchanger 5, compressor 6, the first non-return valve 7, refrigeration check valve passage 8, heat check valve passage 9, large water tank 10, four-way change-over valve 11, air-conditioning cell 12, the first valve 14, the second valve 15, the first temperature-sensitive bag 17, the second temperature-sensitive bag 18 and blowoff valve 19, wherein:
One second coil heat exchanger 13 is set in air-conditioning cell 12; In air-conditioning cell, be provided with thermometer 20, can, by calculating, draw refrigeration (heating) amount; In the water inlet of the first coil heat exchanger, one temperature inductor is set, readable go out the variation of water temperature, calculate heat absorption (heat release) amount, also can expand and calculate refrigeration, heating efficiency.Compressor is selected small-sized totally-enclosed formula compressor, simple in structure, with low cost.
Large water tank 11 successively with the first valve 14, filtrator 2, ebullator 1, the first non-return valve 7, temperature sensor 16, the first coil heat exchanger coil pipe outside space 51 and the second valve 15 by water pipe, connect into a backwater arterial highway; Expansion tank 3 accesses between the first valve 14 and large water tank 10 in backwater arterial highway by water inlet pipe 103; Water in large water tank 10 enter after by the first valve 14, filtrator 2, ebullator 1, the first non-return valve 7, temperature sensor 16 in the first coil heat exchanger 5 with its coil pipe in cold-producing medium carry out heat exchange, send heat to cold-producing medium winter, heat in absorption refrigeration agent in summer, the water after heat exchange sends back in large water tank 10 again.By closing the first valve 14 and the second valve 15, can or change large water tank dismounting storage.Blowoff valve 19 is connected in backwater arterial highway, and its position is lower than the minimum point of backwater arterial highway, is convenient to get rid of the precipitation dirt in backwater arterial highway, makes testing equipment longer service life.
First mouth of pipe 111 of four-way change-over valve 1 is connected with one end of the coil pipe 52 of the first coil heat exchanger, second mouth of pipe 112 of four-way change-over valve is connected with coil pipe 131 one end of the second coil heat exchanger, the 3rd mouth of pipe 113 of four-way change-over valve and the 4th mouth of pipe 114 are connected respectively input end and the output terminal of compressor 6, coil pipe 52 other ends of the first coil heat exchanger and coil pipe 131 other ends of the second coil heat exchanger are connected to refrigeration check valve passage in parallel 8 and the two ends that heat check valve passage 9, form a refrigerant circulation loop.The coil pipe external space 132 of the second coil heat exchanger is the air in air-conditioning cell, can in the second coil heat exchanger, add a blower fan 133 to accelerate heat exchange.
Refrigeration check valve passage 8 is with to heat check valve passage 9 in parallel, and includes two non-return valve and an equalizing valve, and in same passage, the conducting direction of two non-return valve is consistent.Equalizing valve two ends connect two non-return valve, and such structure can dismounting and change equalizing valve during two closure of check ring in same passage, makes the life-span of whole testing table longer.In refrigeration check valve passage 8, the conducting direction of non-return valve is for to lead to the second coil heat exchanger 13 from the first coil heat exchanger 5, and the conducting direction that heats non-return valve in check valve passage 9 is for to lead to the first coil heat exchanger 5 from the second coil heat exchanger 13; At the first coil heat exchanger 5 and described the second coil heat exchanger 13, near the port, one end of four-way change-over valve 11, the first temperature-sensitive bag 17 and the second temperature-sensitive bag 18 are all housed, and the first temperature-sensitive bag 17 is connected with the equalizing valve heating in check valve passage 9, the second temperature-sensitive bag 18 is connected with the equalizing valve in refrigeration check valve passage 8, temperature-sensitive bag is the temperature for experiencing evaporator outlet, and temperature information is converted to pressure information, pass to equalizing valve, thereby play the effect of adjust flux.
A kind of water resource heat pump simulator stand providing for the utility model is below simulated the process of refrigeration in summer:
Heat exchange circulation: fill cold water in large water tank, simulation constant temperature low-temperature receiver.Under the effect of ebullator, cold water in large water tank, in backwater arterial highway, flow, with the cold water after the first coil heat exchanger (being equivalent to condenser) heat exchange, take away refrigeration heat of condensation, temperature raises, be sent back to large water tank, with the cold water mix in large water tank, because cool water quantity is large, approximate can think that water temperature gets back to cold water original state; Cold water is so circulation constantly, takes away condenser heat.
Refrigeration cycle: cold-producing medium enters four-way change-over valve by compressor output end, from the refrigerant gas of the first mouth of pipe output high pressure of four-way change-over valve, enter into the first coil heat exchanger again, be equivalent to condenser, heat is emitted in the cold-producing medium condensation that is cooled, water during liberated heat is circulated by heat exchange is taken away, condensation of refrigerant is passed through the non-return valve in refrigeration check valve passage after becoming liquid, entering equalizing valve in refrigeration check valve passage carries out after reducing pressure by regulating flow cold-producing medium, enter the second coil heat exchanger, now be equivalent to evaporator, air in air-conditioning cell enters the passage outside the second coil heat exchanger coil pipe, air in cold-producing medium and air-conditioning cell carries out heat exchange, evaporation endothermic freezes to air-conditioning cell, cold-producing medium after evaporation becomes gaseous state, by second mouth of pipe and the 3rd mouth of pipe of four-way change-over valve, enters compressor pressurizes again.Cold-producing medium constantly circulates, and realizes refrigeration.
A kind of water resource heat pump simulator stand providing for the utility model is below simulated the process of Winter heat supply:
Heat exchange circulation: fill warm water in large water tank, simulation constant temperature thermal source.Under the effect of ebullator, cold water in large water tank, in backwater arterial highway, flow, with the warm water after the first coil heat exchanger (being equivalent to evaporator) heat exchange, because heat supply reduces to cold-producing medium evaporating temperature, water temperature is sent back to large water tank after reducing, and the warm water in large water tank mixes, because warm water amount is large, approximate can think that water temperature gets back to initial water temperature state; Warm water is circulation so constantly, supplies with evaporation heat.
Supply thermal cycle: cold-producing medium enters four-way change-over valve by compressor output end, the refrigerant gas of the second mouth of pipe output high pressure by four-way change-over valve enters into the second coil heat exchanger again, now be equivalent to condenser, air in air-conditioning cell enters the passage outside the second coil heat exchanger coil pipe, air in cold-producing medium and air-conditioning cell carries out heat exchange and is cooled and is condensed into liquid state, emits heat to the heat supply of air-conditioning cell; And cold-producing medium is again by heating the non-return valve in check valve passage, enter the equalizing valve heating in check valve passage, after cold-producing medium reducing pressure by regulating flow, enter the first coil heat exchanger, now be equivalent to evaporator, cold-producing medium evaporation endothermic, the water extraction during caloric receptivity is circulated by heat exchange supplies; Cold-producing medium after evaporation becomes gaseous state, by first mouth of pipe and the 3rd mouth of pipe of four-way change-over valve, enters compressor pressurizes again.Cold-producing medium constantly circulates, and realizes heat supply.
Above-mentioned disclosed be only specific embodiment of the utility model, this embodiment is only that clearer explanation the utility model is used, and not to restriction of the present utility model, the changes that any person skilled in the art can think of, all should drop in protection domain.
Claims (7)
1. a water resource heat pump simulator stand, it is characterized in that, comprise ebullator, filtrator, expansion tank, the first temperature-sensitive bag, the second temperature-sensitive bag, the first coil heat exchanger, compressor, the first non-return valve, the check valve passage of freezing, heat check valve passage, large water tank, four-way change-over valve, air-conditioning cell, wherein:
One second coil heat exchanger is set in described air-conditioning cell;
On described expansion tank, be provided with feed pipe, run-down pipe, drainpipe and water inlet pipe, described feed pipe is arranged on described expansion tank bottom, described run-down pipe is arranged on the coboundary of described expansion tank sidewall, described drainpipe is arranged on described expansion tank bottom, and described water inlet pipe is arranged on the top of described expansion tank;
Space, described the first non-return valve outside described large water tank and described ebullator, described filtrator, described the first coil heat exchanger coil pipe connect into a backwater arterial highway by water pipe; Described expansion tank accesses in described backwater arterial highway by described feed pipe;
First mouth of pipe of described four-way change-over valve is connected with coil pipe one end of described the first coil heat exchanger, second mouth of pipe of described four-way change-over valve is connected with coil pipe one end of described the second coil heat exchanger, the 3rd mouth of pipe of described four-way change-over valve and the 4th mouth of pipe are connected respectively input end and the output terminal of described compressor, the coil pipe other end of described the first coil heat exchanger and the coil pipe other end of described the second coil heat exchanger be connected to described refrigeration check valve passage in parallel with described in heat the two ends of check valve passage, form a refrigerant circulation loop;
Described refrigeration check valve passage with described in heat and in check valve passage, include non-return valve and equalizing valve, but in described refrigeration check valve passage the conducting direction of non-return valve is for to lead to described the second coil heat exchanger from described the first coil heat exchanger, and described in heat non-return valve in check valve passage conducting direction for to lead to described the first coil heat exchanger from described the second coil heat exchanger; At described the first coil heat exchanger and described the second coil heat exchanger, near the coil pipe mouth place, one end of described four-way change-over valve, described the first temperature-sensitive bag and described the second temperature-sensitive bag are housed respectively, and described the first temperature-sensitive bag is connected with the described equalizing valve heating in check valve passage, described the second temperature-sensitive bag is connected with the equalizing valve in described refrigeration check valve passage.
2. a kind of water resource heat pump simulator stand as claimed in claim 1, is characterized in that, in described air-conditioning cell, is provided with thermometer.
3. a kind of water resource heat pump simulator stand as claimed in claim 1, is characterized in that, in the water inlet of described the first coil heat exchanger, one temperature inductor is set.
4. a kind of water resource heat pump simulator stand as claimed in claim 1, is characterized in that, described compressor is selected small-sized totally-enclosed formula compressor.
5. a kind of water resource heat pump simulator stand as claimed in claim 1, is characterized in that, a blowoff valve is set and is connected in described backwater arterial highway, and the position of described blowoff valve is lower than the minimum point of described backwater arterial highway.
6. a kind of water resource heat pump simulator stand as claimed in claim 1, it is characterized in that, described refrigeration check valve passage with described in heat and in check valve passage, be provided with two non-return valve and an equalizing valve, and described two non-return valve are connected to the two ends of described equalizing valve, and in same passage, the conducting direction of two non-return valve is consistent.
7. a kind of water resource heat pump simulator stand as claimed in claim 1, is characterized in that, in described large water tank both sides, the first valve and the second valve is set respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704660.9U CN203573558U (en) | 2013-11-11 | 2013-11-11 | Water source heat pump simulation test bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704660.9U CN203573558U (en) | 2013-11-11 | 2013-11-11 | Water source heat pump simulation test bench |
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| CN203573558U true CN203573558U (en) | 2014-04-30 |
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| CN201320704660.9U Expired - Fee Related CN203573558U (en) | 2013-11-11 | 2013-11-11 | Water source heat pump simulation test bench |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515693A (en) * | 2014-12-31 | 2015-04-15 | 重庆达孚制冷设备有限责任公司 | Energy-saving type multifunctional air conditioning unit experiment system |
| CN106288094A (en) * | 2016-09-30 | 2017-01-04 | 长安大学 | A kind of heat exchange cooling water system and control method |
| CN107014630A (en) * | 2017-03-15 | 2017-08-04 | 新奥泛能网络科技股份有限公司 | A kind of simulation system and method for testing for testing headwaters heat pump performance |
| CN110617651A (en) * | 2019-09-09 | 2019-12-27 | 华中科技大学 | Experiment table with coupling ground source heat pump and absorption type refrigeration functions and application thereof |
| CN110617651B (en) * | 2019-09-09 | 2024-05-14 | 华中科技大学 | Experiment table with coupled ground source heat pump and absorption refrigeration function and application thereof |
-
2013
- 2013-11-11 CN CN201320704660.9U patent/CN203573558U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515693A (en) * | 2014-12-31 | 2015-04-15 | 重庆达孚制冷设备有限责任公司 | Energy-saving type multifunctional air conditioning unit experiment system |
| CN106288094A (en) * | 2016-09-30 | 2017-01-04 | 长安大学 | A kind of heat exchange cooling water system and control method |
| CN106288094B (en) * | 2016-09-30 | 2022-03-15 | 长安大学 | Heat exchange cooling water system and control method |
| CN107014630A (en) * | 2017-03-15 | 2017-08-04 | 新奥泛能网络科技股份有限公司 | A kind of simulation system and method for testing for testing headwaters heat pump performance |
| CN110617651A (en) * | 2019-09-09 | 2019-12-27 | 华中科技大学 | Experiment table with coupling ground source heat pump and absorption type refrigeration functions and application thereof |
| CN110617651B (en) * | 2019-09-09 | 2024-05-14 | 华中科技大学 | Experiment table with coupled ground source heat pump and absorption refrigeration function and application thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20151111 |
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| EXPY | Termination of patent right or utility model |