CN204345835U - Earth source heat pump is in conjunction with the air-conditioning system of cold beam - Google Patents
Earth source heat pump is in conjunction with the air-conditioning system of cold beam Download PDFInfo
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- CN204345835U CN204345835U CN201420537696.7U CN201420537696U CN204345835U CN 204345835 U CN204345835 U CN 204345835U CN 201420537696 U CN201420537696 U CN 201420537696U CN 204345835 U CN204345835 U CN 204345835U
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Abstract
The utility model discloses the air-conditioning system of a kind of earth source heat pump in conjunction with cold beam, it comprises air-treatment unit, transducing side inlet pipeline, transducing side outlet pipeline, pipe laying side inlet pipeline, pipe laying side outlet pipeline, user side inlet pipeline, user side outlet pipeline, underground pipe system, ground-source heat pump host, accumulation of energy pond, heat-exchange unit and cold girder system system, the water inlet of underground pipe system is connected with pipe laying side outlet pipeline, the delivery port of underground pipe system is connected with pipe laying side inlet pipeline, the water inlet of air-treatment unit is connected with user side outlet pipeline by valve D, the delivery port of air-treatment unit is connected with user side inlet pipeline by valve D, transducing side inlet pipeline is connected with user side outlet pipeline by valve C, transducing side outlet pipeline is connected with user side inlet pipeline by valve C.The utility model can reduce energy consumption, reduces operating cost, is conducive to its promotion and application in green building, under being particularly suitable for climate in china environment.
Description
Technical field
The utility model relates to the air-conditioning system of a kind of earth source heat pump in conjunction with cold beam, belongs to air-conditioning technical field.
Background technology
At present, along with the raising of socio-economic development and living standards of the people, all improving year by year the amount of air-conditioning and heating demands, matter, building energy consumption is riseing year by year.Energy crisis and environmental pollution become the key factor affecting current social development.Particularly in recent years, the carbon emission in city sharply increases, and the tropical island effect in city is particularly evident.And the energy consumption of air-conditioning will account for 40% of whole building energy consumption, therefore reduce air conditioning energy consumption, minimizing air-conditioning is active demand instantly to the hot driving in air.Find and reasonably can develop the key that low-grade heat source is air conditioner energy saving consumption reduction.How to address this problem, become our instant problem.
In recent years, earth source heat pump is widelyd popularize at home as green energy resource technology, but in use there are some problems, as low in (1) heat pump efficiency, (2) level of integrated system is not high, and (3) are without the geologic prospecting data etc. of specialty.Cause a lot of earth source heat pump project not reach expected effect, even system cannot normally be run.Meanwhile, the air conditioning mode that indoor are taked, still based on primary air fan-coil system air conditioning mode.This systematic economy, simple, substantially meet the demand of people to air-conditioning.But some problems that this system exists have: (1) indoor are wet system, have condensed water to exist, easy breed bacteria, pollute indoor environment.(2) indoor equipment is from translator, and power consumption is large, has noise during operation.(3) supply air temperature difference is large, and human comfort degree is not high.(4) end adopts primarily efficient filter, and air quality is poor.
Because most of European countries do not have the surface water and groundwater resource that can directly utilize, therefore, this energy-conservation technology of earth-source hot-pump system, obtains and uses fast and develop, the earth source heat pump unit that they provide can at multi-state, especially stable operation under extreme operating condition.And cold beam is a kind of comfortable, energy-conservation air conditioning terminal product in countries in Europe extensive application, earth source heat pump, in conjunction with cold beam technology, substantially improves indoor air quality, saves the energy consumption of system, becomes European widely used air conditioning mode.But due to Finland's weather conditions and domestic difference, the heating efficiency of the earth source heat pump of Olin Corp of Finland is higher, and refrigerating efficiency is lower, cooperative practical experience of simultaneously not uniting with cold girder system under climatic environment at home, cannot directly apply at home.
Utility model content
Technical problem to be solved in the utility model is the defect overcoming prior art, there is provided a kind of earth source heat pump in conjunction with the air-conditioning system of cold beam, it can reduce energy consumption, reduces operating cost, be conducive to its promotion and application in green building, under being particularly suitable for climate in china environment.
The utility model solves the problems of the technologies described above the technical scheme taked: a kind of earth source heat pump is in conjunction with the air-conditioning system of cold beam, it comprises air-treatment unit, transducing side inlet pipeline, transducing side outlet pipeline, pipe laying side inlet pipeline, pipe laying side outlet pipeline, user side inlet pipeline, user side outlet pipeline, underground pipe system, ground-source heat pump host, accumulation of energy pond, heat-exchange unit and cold girder system system, the water inlet of underground pipe system is connected with pipe laying side outlet pipeline, the delivery port of underground pipe system is connected with pipe laying side inlet pipeline, the water inlet of air-treatment unit is connected with user side outlet pipeline by valve D, the delivery port of air-treatment unit is connected with user side inlet pipeline by valve D, transducing side inlet pipeline is connected with user side outlet pipeline by valve C, transducing side outlet pipeline is connected with user side inlet pipeline by valve C, ground-source heat pump host has the low-temperature receiver import of pipe laying side, the low-temperature receiver outlet of pipe laying side, the thermal source import of pipe laying side, pipe laying side thermal source outlet, the low-temperature receiver import of user side, the low-temperature receiver outlet of user side, the thermal source import of user side, user side thermal source outlet, described pipe laying side low-temperature receiver import is connected with pipe laying side inlet pipeline by valve A, described pipe laying side low-temperature receiver outlet is connected with pipe laying side outlet pipeline by valve A, described pipe laying side thermal source import is connected with pipe laying side inlet pipeline by valve B, described pipe laying side thermal source outlet is connected with pipe laying side outlet pipeline by another valve B, described user side low-temperature receiver import is connected with user side inlet pipeline by valve A, described user side low-temperature receiver outlet is connected with user side outlet pipeline by valve A, described user side thermal source import is connected with user side inlet pipeline by valve B, described user side thermal source outlet is connected with user side outlet pipeline by valve B, the low mouth of a river in accumulation of energy pond is connected with transducing side outlet pipeline by valve E, the low mouth of a river in accumulation of energy pond is connected with transducing side inlet pipeline by valve F, the high mouth of a river in accumulation of energy pond is connected with transducing side outlet pipeline by valve F, the high mouth of a river in accumulation of energy pond is connected with transducing side inlet pipeline by valve E, the water inlet of cold girder system system is connected with the outlet pipeline of heat-exchange unit, the delivery port of described cold girder system system is connected with the inlet pipeline of heat-exchange unit.
Further in order to increase its refrigeration, earth source heat pump also comprises cooling tower in conjunction with the air-conditioning system of cold beam, and the delivery port of cooling tower is connected with pipe laying side inlet pipeline, and the water inlet of cooling tower is connected with pipe laying side outlet pipeline.
Further in order to the water of the buried side of ground-source heat pump host can realize circulating well, in described pipe laying side inlet pipeline, be provided with pipe laying side water pump.
Further in order to the water of the user side of ground-source heat pump host can realize circulating well, in described user side inlet pipeline, be provided with hot and cold water pump.
Further in order to enable the water of the transducing side of heat-exchange unit i.e. side, accumulation of energy pond realize circulating well, in described transducing side inlet pipeline, be provided with side, pond water pump.
Further in order to the water of the Leng Liang side enabling heat-exchange unit realizes circulating well, in the inlet pipeline of described heat-exchange unit, be provided with Leng Liang side water pump.
Further, automatic water supplement exhaust constant pressure arrangement is provided with in described pipe laying side inlet pipeline.
Further, automatic water supplement exhaust constant pressure arrangement is provided with in described transducing side inlet pipeline.
Further, underground pipe system has underground pipe water collector and underground pipe water knockout drum, and described pipe laying side inlet pipeline is connected with underground pipe water collector, and described pipe laying side outlet pipeline is connected with underground pipe water knockout drum.
Further, air-treatment unit has water collector and water knockout drum, and user side outlet pipeline is connected with water knockout drum after connecting valve D again, and water collector is connected with user side inlet pipeline after connecting valve D.
After have employed technique scheme, the utility model has following beneficial effect:
1, earth source heat pump add cold beam air-conditioning system it two kinds of different temperatures air-conditionings can be provided to supply water, low-temperature cold water and high-temperature-hot-water are for air-treatment machine set system, high temperature cold water and low-temperature water heating cooling girder system system use, the utility model utilizes water energy accumulating technique, realizing single main frame for system provides two kinds of different temperatures air-conditionings to supply water, reduce the quantity of ground-source heat pump host, reduce the power load of whole air-conditioning system, improve equipment use efficiency; Simultaneously, when air-conditioning system Smaller load, cold and hot amount is provided by accumulation of energy pond, ground-source heat pump host is avoided to operate under small load condition, raising system service efficiency, the most important, has had accumulation of energy pond, can electricity price between peak and valley be utilized, at night, accumulation of energy be carried out for daytime to accumulation of energy pond.The operating cost of system can be reduced greatly.There is obvious economic benefit;
2, this air-conditioning system is integrated into a general product ENERGY PLANNING, device product, system, Systematical control;
3, the utility model achieves earth source heat pump and adds the standardization of the air-conditioning system of cold beam, commercialization, automation, the planning of system, design, operation and services package are contained in product, for project provides normalized service, realize industrialization, the technical threshold that system uses can be reduced.Be more conducive to the promotion and application of native system in green building.
4, the utility model is according to the energy use situation of China, debugged by the operation of system and demonstrative project, exploringly source heat pump system and the adaptability of cold beam technology in CHINESE REGION, find out Problems existing, to accumulate experience data, make the earth source heat pump of CHINESE REGION in conjunction with the system standardization of cold beam air-conditioning, commercialization, solve Problems existing in the use of current air-conditioning system, the final air conditioning energy consumption that makes when not improving air-conditioning system total cost reduces by 40%, operating cost reduces by 60%, and promote earth source heat pump and use in green building in conjunction with the air-conditioning system of cold beam.
Accompanying drawing explanation
Fig. 1 is earth source heat pump of the present utility model in conjunction with one of connection layout of the air-conditioning system of cold beam;
Fig. 2 is the connection layout two of earth source heat pump of the present utility model in conjunction with the air-conditioning system of cold beam
Detailed description of the invention
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
As Fig. 1, shown in 2, a kind of earth source heat pump is in conjunction with the air-conditioning system of cold beam, it comprises air-treatment unit, transducing side inlet pipeline 1, transducing side outlet pipeline 2, pipe laying side inlet pipeline 3, pipe laying side outlet pipeline 4, user side inlet pipeline 5, user side outlet pipeline 6, underground pipe system, ground-source heat pump host 7, accumulation of energy pond 8, heat-exchange unit 9 and cold girder system system, the water inlet of underground pipe system is connected with pipe laying side outlet pipeline 4, the delivery port of underground pipe system is connected with pipe laying side inlet pipeline 3, the water inlet of air-treatment unit is connected with user side outlet pipeline 6 by valve D, the delivery port of air-treatment unit is connected with user side inlet pipeline 5 by valve D, transducing side inlet pipeline 1 is connected with user side outlet pipeline 6 by valve C, transducing side outlet pipeline 2 is connected with user side inlet pipeline 5 by valve C, ground-source heat pump host 7 has pipe laying side low-temperature receiver import 7-1, pipe laying side low-temperature receiver outlet 7-2, pipe laying side thermal source import 7-3, pipe laying side thermal source outlet 7-4, user side low-temperature receiver import 7-5, user side low-temperature receiver outlet 7-6, user side thermal source import 7-7, user side thermal source outlet 7-8, described pipe laying side low-temperature receiver import 7-1 is connected with pipe laying side inlet pipeline 3 by valve A, described pipe laying side low-temperature receiver outlet 7-2 is connected with pipe laying side outlet pipeline 4 by valve A, described pipe laying side thermal source import 7-3 is connected with pipe laying side inlet pipeline 3 by valve B, described pipe laying side thermal source outlet 7-4 is connected with pipe laying side outlet pipeline 4 by another valve B, described user side low-temperature receiver import 7-5 is connected with user side inlet pipeline 5 by valve A, described user side low-temperature receiver outlet 7-6 is connected with user side outlet pipeline 6 by valve A, described user side thermal source import 7-7 is connected with user side inlet pipeline 5 by valve B, described user side thermal source outlet 7-8 is connected with user side outlet pipeline 6 by valve B, the low mouth of a river in accumulation of energy pond 8 is connected with transducing side outlet pipeline 2 by valve E, the low mouth of a river in accumulation of energy pond 8 is connected with transducing side inlet pipeline 1 by valve F, the high mouth of a river in accumulation of energy pond 8 is connected with transducing side outlet pipeline 2 by valve F, the high mouth of a river in accumulation of energy pond 8 is connected with transducing side inlet pipeline 1 by valve E, the water inlet of cold girder system system is connected with the outlet pipeline of heat-exchange unit 9, the delivery port of described cold girder system system is connected with the inlet pipeline of heat-exchange unit 9.
As shown in Figure 1, this earth source heat pump also comprises cooling tower 10 in conjunction with the air-conditioning system of cold beam, and the delivery port of cooling tower 10 is connected with pipe laying side inlet pipeline 3, and the water inlet of cooling tower 10 is connected with pipe laying side outlet pipeline 4.
As shown in Figure 1, pipe laying side water pump 3-1 is provided with in pipe laying side inlet pipeline 3.
As shown in Figure 1, hot and cold water pump 5-1 is provided with in user side inlet pipeline 5.
As shown in Figure 2, side, pond water pump 1-1 is provided with in transducing side inlet pipeline 1.
As shown in Figure 1, Leng Liang side water pump 9-1 is provided with in the inlet pipeline of heat-exchange unit 9.
As shown in Figure 1, automatic water supplement exhaust constant pressure arrangement 11 is provided with in pipe laying side inlet pipeline 3.
As shown in Figure 2, automatic water supplement exhaust constant pressure arrangement 11 is provided with in transducing side inlet pipeline 1.
As shown in Figure 1, underground pipe system has underground pipe water collector 12 and underground pipe water knockout drum 13, and described pipe laying side inlet pipeline 3 is connected with underground pipe water collector 12, and described pipe laying side outlet pipeline 4 is connected with underground pipe water knockout drum 13.
As shown in Figure 2, air-treatment unit has water collector 14 and water knockout drum 15, is connected after user side outlet pipeline 6 connects valve D with water knockout drum 15 again, is connected after water collector 14 connects valve D with user side inlet pipeline 5.
The valve of the indication in the present embodiment is all single individuality.
Operation principle of the present utility model is as follows:
The air-conditioning system that earth source heat pump adds cold beam can provide two kinds of different temperatures air-conditionings to supply water, low-temperature cold water and high-temperature-hot-water are for air-treatment unit, high temperature cold water and low-temperature water heating cooling girder system system use, the utility model utilizes water energy accumulating technique, realizing single main frame for system provides two kinds of different temperatures air-conditionings to supply water, reduce the quantity of ground-source heat pump host 7, reduce the power load of air-conditioning system, improve equipment use efficiency.Meanwhile, when air-conditioning system Smaller load, provide cold and hot amount by accumulation of energy pond 8, avoid ground-source heat pump host 7 to operate under small load condition, improve system service efficiency.The most important, has had accumulation of energy pond 8, can utilize electricity price between peak and valley, carries out accumulation of energy use on daytime at night to accumulation of energy pond 8.The operating cost of system can be reduced greatly.There is obvious economic benefit.
The ground-source heat pump host 7 of the present embodiment is provided by Fen Fang Olin Corp, and because climate in china and geological conditions regional disparity are large, Olympic must provide the heat pump product being applicable to different regions, adapts to Chinese market demand.The ground-source heat pump host of the present embodiment can meet the requirement of accumulation of energy operating mode, and ground-source heat pump host can automatic operating, and the operation being convenient to air-conditioning system runs.
The cold girder system system of the present embodiment is by Fen Fanghao shield company, and the utility model adopts active beam-cooling, the requirement meeting cooling in summer simultaneously and heat winter, and the indoor humidity load of Fresh air handing and part refrigeration duty, cold beam mainly bears indoor sensible heat load.Because cold girder system system uses high temperature cold water and low-temperature water heating, Indoor Dry operating mode is run, and system comfort level is high, and transition season adopts free Cooling and Heat Source, reduces operating cost.
The utility model is in conjunction with climate in china condition, and adopt cooling tower and earth source heat pump complementation in systems in which, the measures such as pond accumulation of energy reduce the use of the energy through a step.
The present embodiment is used in Jiangsu Province, and Jiangsu Province belongs to hot-summer and cold-winter area, and Winter heat supply is different from cooling in summer energy requirements.Comparatively Winter heat supply energy demand is high for cooling in summer horsepower requirements, and as required design earth source heat pump according to cooling in summer, then initial investment is high, simultaneously in the winter time for hankering, produces for heat waster.Adopt cooling tower and earth source heat pump complementary technology then can head it off, native system be with Winter heat supply demand for design basis, and cooling in summer deficiency is then supplemented with cooling tower, reduces initial investment, the cold and hot unbalanced problem of solution earth-source hot-pump system pipe laying.
Adopt the scheme of water energy-storage system then fully to adopt peak-trough electricity poor, reduce operating cost.Utilize night lower electricity price to carry out accumulation of energy, then adopt the energy in accumulation of energy pond to carry out heat supply and refrigeration in the daytime, the cold girder system system in conjunction with great shield can use less operating cost to realize comfortable working environment.Consider domestic actual working environment simultaneously, under the Smaller load service conditions such as day off and overtime work in night, the heat supply of accumulation of energy pond and refrigeration can be adopted, not need to start ground-source heat pump host, only need ON cycle pump group to meet instructions for use, reduce operating cost.
Simultaneously in conjunction with Chinese Green Building requirement at indoor employing heat recovery equipment of extract air, air draft carries out precooling, preheating by runner air-treatment unit to new wind, recovers energy, reduce system energy consumption.
By the automatic control system that Olympic provides, the abundant Effec-tive Function of system can be made.Decrease the installed capacity of source pump, improve the service efficiency of equipment.As shown in Figure 1, the ground-source heat pump host of the present embodiment is 3, simultaneously because cold girder system system uses high temperature cold water and low-temperature water heating, add the accumulation of energy of unit volume, reduce the volume in accumulation of energy pond, the more former scheme of overall cost saves 30%, remains basically stable with traditional air conditioner cost.
By the optimal design of above system, strive for that realizing system energy consumption reduces by 40%, operating cost reduces by 60%.Meanwhile, the technical goal that earth source heat pump adds the standardization of cold beam air-conditioning system, commercialization, automation are this projects is realized.The planning of system, design, operation and services package are contained in product, for project provides normalized service, realize industrialization, the technical threshold that system uses can be reduced.Be more conducive to the promotion and application of native system in green building.
The utility model can by the switching of system valve, realize summer cooling, night in summer cold-storage.Winter heat supply, winter these four kinds of basic models of night storage heating, native system also according to different service conditions, meanwhile, in the process of Summer and winter cold and heat supply, according to the change of indoor load, can also adopt different operational modes.
1, by the switching of system valve, can realize summer cooling, night in summer cold-storage.Winter heat supply, winter these four kinds of basic models of night storage heating operating condition valve event table as follows:
2, according to the change of indoor load, by the operational mode of the energy supply in ground-source heat pump host or accumulation of energy pond.Can energy-saving run be realized:
A: during large load on daytime, adopts ground-source heat pump host to add the operational mode of accumulation of energy pond associating energy supply.
B: during Smaller load on daytime, can separately through the operational mode of accumulation of energy pond energy supply.
C: during paddy electricity at night, main frame is the operational mode of pond accumulation of energy.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the utility model solves are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an earth source heat pump is in conjunction with the air-conditioning system of cold beam, it is characterized in that: it comprises air-treatment unit, transducing side inlet pipeline, transducing side outlet pipeline, pipe laying side inlet pipeline, pipe laying side outlet pipeline, user side inlet pipeline, user side outlet pipeline, underground pipe system, ground-source heat pump host, accumulation of energy pond, heat-exchange unit and cold girder system system, the water inlet of underground pipe system is connected with pipe laying side outlet pipeline, the delivery port of underground pipe system is connected with pipe laying side inlet pipeline, the water inlet of air-treatment unit is connected with user side outlet pipeline by valve D, the delivery port of air-treatment unit is connected with user side inlet pipeline by valve D, transducing side inlet pipeline is connected with user side outlet pipeline by valve C, transducing side outlet pipeline is connected with user side inlet pipeline by valve C, ground-source heat pump host has the low-temperature receiver import of pipe laying side, the low-temperature receiver outlet of pipe laying side, the thermal source import of pipe laying side, pipe laying side thermal source outlet, the low-temperature receiver import of user side, the low-temperature receiver outlet of user side, the thermal source import of user side, user side thermal source outlet, described pipe laying side low-temperature receiver import is connected with pipe laying side inlet pipeline by valve A, described pipe laying side low-temperature receiver outlet is connected with pipe laying side outlet pipeline by valve A, described pipe laying side thermal source import is connected with pipe laying side inlet pipeline by valve B, described pipe laying side thermal source outlet is connected with pipe laying side outlet pipeline by another valve B, described user side low-temperature receiver import is connected with user side inlet pipeline by valve A, described user side low-temperature receiver outlet is connected with user side outlet pipeline by valve A, described user side thermal source import is connected with user side inlet pipeline by valve B, described user side thermal source outlet is connected with user side outlet pipeline by valve B, the low mouth of a river in accumulation of energy pond is connected with transducing side outlet pipeline by valve E, the low mouth of a river in accumulation of energy pond is connected with transducing side inlet pipeline by valve F, the high mouth of a river in accumulation of energy pond is connected with transducing side outlet pipeline by valve F, the high mouth of a river in accumulation of energy pond (8) is connected with transducing side inlet pipeline (1) by valve E, the water inlet of cold girder system system is connected with the outlet pipeline of heat-exchange unit, the delivery port of described cold girder system system is connected with the inlet pipeline of heat-exchange unit.
2. earth source heat pump according to claim 1 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: also comprise cooling tower, and the delivery port of cooling tower is connected with pipe laying side inlet pipeline, and the water inlet of cooling tower is connected with pipe laying side outlet pipeline.
3. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: be provided with pipe laying side water pump in described pipe laying side inlet pipeline.
4. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: be provided with hot and cold water pump in described user side inlet pipeline.
5. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: be provided with side, pond water pump in described transducing side inlet pipeline.
6. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: be provided with Leng Liang side water pump in the inlet pipeline of described heat-exchange unit.
7. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: be provided with automatic water supplement exhaust constant pressure arrangement in described pipe laying side inlet pipeline.
8. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: be provided with automatic water supplement exhaust constant pressure arrangement in described transducing side inlet pipeline.
9. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: described underground pipe system has underground pipe water collector and underground pipe water knockout drum, described pipe laying side inlet pipeline is connected with underground pipe water collector, and described pipe laying side outlet pipeline is connected with underground pipe water knockout drum.
10. earth source heat pump according to claim 1 and 2 is in conjunction with the air-conditioning system of cold beam, it is characterized in that: described air-treatment unit has water collector and water knockout drum, user side outlet pipeline is connected with water knockout drum after connecting valve D again, and water collector is connected with user side inlet pipeline after connecting valve D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537696.7U CN204345835U (en) | 2014-09-18 | 2014-09-18 | Earth source heat pump is in conjunction with the air-conditioning system of cold beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537696.7U CN204345835U (en) | 2014-09-18 | 2014-09-18 | Earth source heat pump is in conjunction with the air-conditioning system of cold beam |
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| Publication Number | Publication Date |
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| CN204345835U true CN204345835U (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537696.7U Expired - Fee Related CN204345835U (en) | 2014-09-18 | 2014-09-18 | Earth source heat pump is in conjunction with the air-conditioning system of cold beam |
Country Status (1)
| Country | Link |
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| CN (1) | CN204345835U (en) |
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2014
- 2014-09-18 CN CN201420537696.7U patent/CN204345835U/en not_active Expired - Fee Related
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