CN203771637U - Low-temperature total heat recovery device - Google Patents
Low-temperature total heat recovery device Download PDFInfo
- Publication number
- CN203771637U CN203771637U CN201420159225.7U CN201420159225U CN203771637U CN 203771637 U CN203771637 U CN 203771637U CN 201420159225 U CN201420159225 U CN 201420159225U CN 203771637 U CN203771637 U CN 203771637U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- cross valve
- branch road
- interface
- valve
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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]
- Y02B30/56—Heat recovery units
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a low-temperature total heat recovery device comprising a compressor with a compressor electronic expansion valve, a plurality of four-way valves, an air side heat exchanger, a conditioner side heat exchanger, a hot water side heat exchanger, throttling devices, filters, one-way valves, a liquid storage tank, a capillary tube, an electromagnetic valve, a gas-liquid separator, a spray electromagnetic valve, and six branches whereby the parts above are connected together. The flow direction of refrigerant is controlled by opening and closing the four-way valves, cost is reduced, six modes, such as refrigerating and heating, can be switched, and an air conditioner is provided with a more comprehensive operating mode; meanwhile, in low temperature environment, when the air conditioner operates in the water heating mode or the heating mode, condensed liquid refrigerant enters the compressor through the spray electromagnetic valve and the electronic expansion valve; in addition, when the exhaust temperature of the compressor reaches a preset temperature, the electronic expansion valve opens, the exhaust temperature of the compressor drops, and therefore a unit can operate normally at the low temperature.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of low temperature full heat recovery device.
Background technology
Along with being becoming tight energy day in world wide, fossil fuel reduce and the rising appreciably of energy demand, impel people to explore energy-conservation new way and improve the effective rate of utilization of the energy.Different according to the using energy source level of various countries, there is 43%~70% the energy mainly with the form of used heat, to lose, also can cause city " tropical island effect ".Therefore European and American developed countries attach great importance to the research and practice of air conditioner heat recovery technology, realize the secondary utilization of heat energy, thereby reduce direct consumption and the discharge of the energy, to reach energy-conservation and object environmental protection.In China, in recent years, the air conditioner heat recovery technology of China had also obtained developing rapidly, and the energy-saving effect in practical engineering application is quite obvious, is widely used in the places such as hotel, hospital, school, factory, large stadium.
Existing full heat recovery device has has very wide application prospect.But current existing full heat recovery device increases three-way pipe often on blast pipe, and on two branch roads, magnetic valve is installed, by controlling the switch of a plurality of magnetic valves, control the flow direction of cold-producing medium, this full heat recovery device is because used the magnetic valve that a plurality of prices are more expensive to cause cost higher, and the pattern that air-conditioning switches is comprehensive not, only can realize refrigeration, water heating, recuperation of heat, and have no idea to heat; Although some air-conditioning can freeze, heats, water heating, recuperation of heat, has no idea to defrost when water heating.
Therefore, how to provide a kind of recovering apparatus for heat of air-conditioner, make it after for air-conditioning unit, can reduce costs, make air-conditioning there is comparatively comprehensively mode of operation, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of low temperature full heat recovery device, to reach, makes it after for air-conditioning unit, can reduce costs, and makes air-conditioning have the comparatively comprehensively object of mode of operation.
For achieving the above object, the utility model provides following technical scheme:
A low temperature full heat recovery device, for the recuperation of heat of air-conditioning unit, comprises the compressor that carries compressor electric expansion valve, the first cross valve, the second cross valve, the 3rd cross valve;
The first branch road being connected with the C interface of described the second cross valve, described the first branch road comprises successively air side heat exchanger, the first filter, first throttle device, second filter of series connection, and in parallel with described the first filter, described first throttle device, described the second filter for the first check valve to other end conducting by described the second cross valve;
With the second branch road that the E interface of described the second cross valve is connected, described the second branch road is in series with air-conditioning side heat exchanger, the 3rd filter, the second throttling arrangement and the 4th filter successively;
The 3rd branch road that the S interface of the S interface of described the second cross valve and described the first cross valve is communicated with the D interface of described the first cross valve, described the 3rd branch road is in series with gas-liquid separator and described compressor successively;
The 4th branch road being connected with the E interface of described the first cross valve, described the 4th branch road is in series with hot water side heat exchanger, the 5th filter, capillary, magnetic valve and the 6th filter successively;
The 5th branch road being communicated with the C interface of described the 3rd cross valve, described the 5th branch road is in series with fluid reservoir and successively for the second check valve to other end conducting by described the 3rd cross valve, the E interface of described the 3rd cross valve blocks, S interface and described the second branch road are communicated between described air-conditioning side heat exchanger and described the 3rd filter, D interface and described the 4th branch road are communicated between described hot water side heat exchanger and described the 5th filter, described the first branch road and described the second branch road are away from one end of described the second cross valve, described the 5th branch road is connected with described compressor electric expansion valve by hydrojet magnetic valve after being interconnected away from one end of described the first cross valve away from one end of described the 3rd cross valve and described the 4th branch road,
The 6th branch road that is communicated with the C interface of described the first cross valve and the D interface of described the second cross valve.
Preferably, described first throttle device and described the second throttling arrangement are electric expansion valve.
Preferably, described air-conditioning side heat exchanger is plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger.
Preferably, described hot water side heat exchanger is plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger.
Preferably, described air side heat exchanger is finned heat exchanger.
Preferably, the refrigerant that described low temperature full heat recovery device is used is R22 or R410a.
From technique scheme, can find out, the low temperature full heat recovery device that the utility model provides, comprises the compressor that carries compressor electric expansion valve, the first cross valve, the second cross valve, the 3rd cross valve, air side heat exchanger, air-conditioning side heat exchanger, hot water side heat exchanger, first throttle device, the second throttling arrangement, the first filter, the second filter, the 3rd filter, the 4th filter, the 5th filter, the 6th filter, the first check valve, the second check valve, fluid reservoir, capillary, magnetic valve, gas-liquid separator, hydrojet magnetic valve, and six branch roads that above-mentioned parts are coupled together, this full heat recovery device is provided with a plurality of cross valves, controls the flow direction of cold-producing medium by the switch of a plurality of cross valves, has not only reduced cost, has also realized refrigeration, heat, water heating, recuperation of heat, between heating and defrosting and six kinds of patterns of water heating defrosting, switch, make air-conditioning there is more comprehensively mode of operation, and, realized under low temperature environment (environment temperature is less than-20 ℃), air-conditioning is when water heating pattern or heating mode, liquid condensed refrigerant can through hydrojet magnetic valve, through compressor electric expansion valve, throttling enters compressor, in addition, when the delivery temperature of compressor reaches preset temperature, compressor electric expansion valve also can be opened, the delivery temperature of compressor is reduced, and the object expanding to reach the scope of application, makes unit energy normally operation at low temperatures.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the low temperature full heat recovery device that Fig. 1 provides for the utility model embodiment.
The specific embodiment
The utility model provides a kind of low temperature full heat recovery device, to reach, makes it after for air-conditioning unit, can reduce costs, and makes air-conditioning have the comparatively comprehensively object of mode of operation.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the structural representation of the low temperature full heat recovery device that Fig. 1 provides for the utility model embodiment.
The utility model provides a kind of low temperature full heat recovery device, for the recuperation of heat of air-conditioning unit, comprise the compressor 1 that carries compressor electric expansion valve 23, the first cross valve 2, the second cross valve 3, the 3rd cross valve 4, air side heat exchanger 5, air-conditioning side heat exchanger 6, hot water side heat exchanger 7, first throttle device 8, the second throttling arrangement 9, the first filter 10, the second filter 11, the 3rd filter 12, the 4th filter 13, the 5th filter 14, the 6th filter 15, the first check valve 16, the second check valve 17, fluid reservoir 18, capillary 19, magnetic valve 20, gas-liquid separator 21, hydrojet magnetic valve 22 and six branch roads that above-mentioned each parts are coupled together.
Wherein, the first branch road is connected with the C interface of the second cross valve 3, the first branch road comprises successively air side heat exchanger 5, the first filter 10, first throttle device 8, second filter 11 of series connection, and in parallel with the first filter 10, first throttle device 8, the second filter 11 for the first check valve 16 to other end conducting by the second cross valve 3;
The second branch road is connected with the E interface of the second cross valve 3, and the second branch road is in series with air-conditioning side heat exchanger 6, the 3rd filter 12, the second throttling arrangement 9 and the 4th filter 13 successively;
The 3rd branch road is communicated with the S interface of the S interface of the second cross valve 3 and the first cross valve 2 with the D interface of the first cross valve 2, the 3rd branch road is in series with gas-liquid separator 21 and compressor 1 successively;
The 4th branch road is connected with the E interface of the first cross valve 2, and the 4th branch road is in series with hot water side heat exchanger 7, the 5th filter 14, capillary 19, magnetic valve 20 and the 6th filter 15 successively;
The 5th branch road is communicated with the C interface of the 3rd cross valve 4, the 5th branch road is in series with fluid reservoir 18 and successively for the second check valve 17 to other end conducting by the 3rd cross valve, the E interface of the 3rd cross valve 4 blocks, S interface and the second branch road are communicated between air-conditioning side heat exchanger 6 and the 3rd filter 12, D interface and the 4th branch road are communicated between hot water side heat exchanger 7 and the 5th filter 14, the first branch road and the second branch road are away from one end of the second cross valve 3, the 5th branch road is connected with compressor electric expansion valve 23 by hydrojet magnetic valve 22 after being interconnected away from one end of the first cross valve 2 away from one end of the 3rd cross valve 4 and the 4th branch road,
The 6th branch road is communicated with the C interface of the first cross valve 2 and the D interface of the second cross valve 3.
In sum, the low temperature full heat recovery device that the utility model provides, can realize refrigeration, heats, the switching between water heating, recuperation of heat, heating and defrosting and six patterns of water heating defrosting, and under each pattern, the concrete flow direction of cold-producing medium is:
1, refrigeration mode
The first cross valve 2 closes, and the second cross valve 3 closes, and the 3rd cross valve 4 closes, and first throttle device 8 closes, and the second throttling arrangement 9 is opened, and magnetic valve 20 closes.
The suction end of the E of the D of the D of the exhaust end of compressor 1 and the first cross valve 2, C interface, the second cross valve, C interface, air side heat exchanger 5, the first check valve 16, the 4th filter 13, the second throttling arrangement 9, the 3rd filter 12, air-conditioning side heat exchanger 6, the second cross valve 3, S interface, gas-liquid separator 21, compressor 1 is connected successively.
2, heating mode
The first cross valve 2 closes, and the second cross valve 3 is opened, and the 3rd cross valve 4 is opened, and first throttle device 8 is opened, and the second throttling arrangement 9 closes, and magnetic valve 20 closes.
The suction end of the C of the S of the D of the D of the exhaust end of compressor 1 and the first cross valve 2, C interface, the second cross valve, E interface, air-conditioning side heat exchanger 6, the 3rd cross valve 4, C interface, fluid reservoir 18, the second check valve 17, the second strainer valve 11, first throttle device 8, the first filter 10, air side heat exchanger 5, the second cross valve 3, S interface, gas-liquid separator 21, compressor 1 is connected successively.
3, water heating pattern
The first cross valve 2 is opened, and the second cross valve 3 is opened, and the 3rd cross valve 4 closes, and first throttle device 8 is opened, and the second throttling arrangement 9 closes, and magnetic valve 20 closes.
The suction end of the C of the D of the D of the exhaust end of compressor 1 and the first cross valve 2, E interface, hot water side heat exchanger 7, the 3rd cross valve 4, C interface, fluid reservoir 18, the second check valve 17, the second strainer valve 11, first throttle device 8, the first filter 10, air side heat exchanger 5, the second cross valve 3, S interface, gas-liquid separator 21, compressor 1 is connected successively.
4, full heat recovery mode
The first cross valve 2 is opened, and the second cross valve 3 closes, and the 3rd cross valve 4 closes, and first throttle device 8 closes, and the second throttling arrangement 9 is opened, and magnetic valve 20 closes.
The suction end of the E of the D of the D of the exhaust end of compressor 1 and the first cross valve 2, E interface, hot water side heat exchanger 7, the 3rd cross valve 4, C interface, fluid reservoir 18, the second check valve 17, the 4th filter 13, the second throttling arrangement 9, the 3rd filter 12, air-conditioning side heat exchanger 6, the second cross valve 3, S interface, gas-liquid separator 21, compressor 1 is connected successively.
5, heating and defrosting pattern
The first cross valve 2 closes, and the second cross valve 3 closes, and the 3rd cross valve 4 closes, and first throttle device 8 closes, and the second throttling arrangement 9 is opened, and magnetic valve 20 closes.
The suction end of the E of the D of the D of the exhaust end of compressor 1 and the first cross valve 2, C interface, the second cross valve, C interface, air side heat exchanger 5, the first check valve 16, the 4th filter 13, the second throttling arrangement 9, the 3rd filter 12, air-conditioning side heat exchanger 6, the second cross valve 3, S interface, gas-liquid separator 21, compressor 1 is connected successively.
6, water heating defrosting mode
The first cross valve 2 closes, and the second cross valve 3 closes, and the 3rd cross valve 4 closes, and first throttle device 8 closes, and the second throttling arrangement 9 closes, and magnetic valve 20 leaves.
The suction end of the E of the D of the D of the exhaust end of compressor 1 and the first cross valve 2, C interface, the second cross valve, C interface, air side heat exchanger 5, the first check valve 16, the 6th filter 15, magnetic valve 20, capillary 19, the 5th filter 14, hot water side heat exchanger 7, the first cross valve 2, S interface, gas-liquid separator 21, compressor 1 is connected successively.
In addition, realized under low temperature environment (environment temperature is less than-20 ℃), air-conditioning is when water heating pattern or heating mode, liquid condensed refrigerant can through hydrojet magnetic valve, through compressor electric expansion valve, throttling enters compressor, in addition, when the delivery temperature of compressor reaches preset temperature, in the utility model embodiment, preset temperature is 121 ℃, compressor electric expansion valve also can be opened, and the delivery temperature of compressor is reduced.
Compared with prior art, the low temperature full heat recovery device that the utility model provides, by the switch of a plurality of cross valves, control the flow direction of cold-producing medium, not only reduced cost, also realized refrigeration, heat, water heating, recuperation of heat, between heating and defrosting and six kinds of patterns of water heating defrosting, switch, make air-conditioning there is more comprehensively mode of operation, and, realized under low temperature environment (environment temperature is less than-20 ℃), air-conditioning is when water heating pattern or heating mode, liquid condensed refrigerant can through hydrojet magnetic valve, through compressor electric expansion valve, throttling enters compressor, in addition, when the delivery temperature of compressor reaches preset temperature, compressor electric expansion valve also can be opened, the delivery temperature of compressor is reduced, the object expanding to reach the scope of application, make unit energy normally operation at low temperatures.。
First throttle device 8 and the second throttling arrangement 9 can adopt multiple device, such as electric expansion valve, heating power expansion valve etc., yet electric expansion valve temperature sensing part is occasionally thermal resistance of thermoelectricity, the variation that their same at low temperatures energy accurate responses go out the degree of superheat, with respect to heating power expansion valve, under low temperature environment, there is more outstanding adjusting function, therefore,, in the utility model embodiment, first throttle device and the second throttling arrangement are electric expansion valve.
Air-conditioning side heat exchanger 6 and hot water side heat exchanger 7 can adopt the heat exchanger of different structure according to the difference of user demand, such as plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger etc.
Preferably, air side heat exchanger 5 is finned heat exchanger, and finned heat exchanger is the heat exchanger that heat transfer element is comprised of fin, has the advantages such as heat transfer efficiency is high, compact, light and handy, strong adaptability.
Concrete, the refrigerant that low temperature full heat recovery device is used is R22 or R410a.R-22 is current most popular middle low-temperature refrigerant, be mainly used in the refrigeration plants such as domestic air conditioning, business air conditioner, central air-conditioning, mobile air conditioner, Teat pump boiler, have metal is had to good stability, free from corrosion advantage, and R410a is a kind of novel environment-friendly refrigerant, operating pressure is 1.6 times of left and right of common R22 air-conditioning, and refrigeration (warming up) efficiency is high, can under the prerequisite not damaging the ozone layer, improve heat pump performance.Can certainly adopt other refrigerant.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a low temperature full heat recovery device, for the recuperation of heat of air-conditioning unit, is characterized in that, comprises the compressor (1) that carries compressor electric expansion valve (23), the first cross valve (2), the second cross valve (3), the 3rd cross valve (4);
The first branch road being connected with the C interface of described the second cross valve (3), described the first branch road comprises successively air side heat exchanger (5), the first filter (10), first throttle device (8), second filter (11) of series connection, and in parallel with described the first filter (10), described first throttle device (8), described the second filter (11) for the first check valve (16) to other end conducting by described the second cross valve (3);
With the second branch road that the E interface of described the second cross valve (3) is connected, described the second branch road is in series with air-conditioning side heat exchanger (6), the 3rd filter (12), the second throttling arrangement (9) and the 4th filter (13) successively;
The 3rd branch road that the S interface of the S interface of described the second cross valve (3) and described the first cross valve (2) is communicated with the D interface of described the first cross valve (2), described the 3rd branch road is in series with gas-liquid separator (21) and described compressor (1) successively;
With the 4th branch road that the E interface of described the first cross valve (2) is connected, described the 4th branch road is in series with hot water side heat exchanger (7), the 5th filter (14), capillary (19), magnetic valve (20) and the 6th filter (15) successively;
The 5th branch road being communicated with the C interface of described the 3rd cross valve (4), described the 5th branch road is in series with fluid reservoir (18) and successively for the second check valve (17) to other end conducting by described the 3rd cross valve, the E interface of described the 3rd cross valve (4) blocks, S interface and described the second branch road are communicated between described air-conditioning side heat exchanger (6) and described the 3rd filter (12), D interface and described the 4th branch road are communicated between described hot water side heat exchanger (7) and described the 5th filter (14), described the first branch road and described the second branch road are away from one end of described the second cross valve (3), described the 5th branch road is connected with described compressor electric expansion valve (23) by hydrojet magnetic valve (22) after being interconnected away from one end of described the first cross valve (2) away from one end of described the 3rd cross valve (4) and described the 4th branch road,
The 6th branch road that is communicated with the C interface of described the first cross valve (2) and the D interface of described the second cross valve (3).
2. low temperature full heat recovery device according to claim 1, is characterized in that, described first throttle device (8) and described the second throttling arrangement (9) are electric expansion valve.
3. low temperature full heat recovery device according to claim 1, is characterized in that, described air-conditioning side heat exchanger (6) is plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger.
4. low temperature full heat recovery device according to claim 1, is characterized in that, described hot water side heat exchanger (7) is plate type heat exchanger, double pipe heat exchanger, barrel type heat exchanger or shell and tube exchanger.
5. low temperature full heat recovery device according to claim 1, is characterized in that, described air side heat exchanger (5) is finned heat exchanger.
6. low temperature full heat recovery device according to claim 1, is characterized in that, the refrigerant that described low temperature full heat recovery device is used is R22 or R410a.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420159225.7U CN203771637U (en) | 2014-04-02 | 2014-04-02 | Low-temperature total heat recovery device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420159225.7U CN203771637U (en) | 2014-04-02 | 2014-04-02 | Low-temperature total heat recovery device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203771637U true CN203771637U (en) | 2014-08-13 |
Family
ID=51288823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420159225.7U Withdrawn - After Issue CN203771637U (en) | 2014-04-02 | 2014-04-02 | Low-temperature total heat recovery device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203771637U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103851760A (en) * | 2014-04-02 | 2014-06-11 | 深圳麦克维尔空调有限公司 | Low-temperature total heat recovery device |
CN105758055A (en) * | 2016-05-05 | 2016-07-13 | 山东现代莱恩空调设备有限公司 | Ultralow temperature total heat recovery air-cooling heat pump unit |
CN112984737A (en) * | 2021-03-10 | 2021-06-18 | 格力电器(合肥)有限公司 | Multi-split air conditioner control system, multi-split air conditioner control method, multi-split air conditioner, and storage medium |
US11313597B2 (en) | 2017-05-12 | 2022-04-26 | Carrier Corporation | Heat pump and control method thereof |
-
2014
- 2014-04-02 CN CN201420159225.7U patent/CN203771637U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103851760A (en) * | 2014-04-02 | 2014-06-11 | 深圳麦克维尔空调有限公司 | Low-temperature total heat recovery device |
CN103851760B (en) * | 2014-04-02 | 2016-06-08 | 深圳麦克维尔空调有限公司 | A kind of low temperature full heat recovery device |
CN105758055A (en) * | 2016-05-05 | 2016-07-13 | 山东现代莱恩空调设备有限公司 | Ultralow temperature total heat recovery air-cooling heat pump unit |
US11313597B2 (en) | 2017-05-12 | 2022-04-26 | Carrier Corporation | Heat pump and control method thereof |
CN112984737A (en) * | 2021-03-10 | 2021-06-18 | 格力电器(合肥)有限公司 | Multi-split air conditioner control system, multi-split air conditioner control method, multi-split air conditioner, and storage medium |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103851760B (en) | A kind of low temperature full heat recovery device | |
CN102645060B (en) | Multi-split air conditioning system | |
CN203657051U (en) | Direct condensation type air source heat pump floor heating system | |
CN101566403B (en) | Multiple heat pump air-conditioning water heater | |
CN103175262B (en) | Solar airconditioning | |
CN203771637U (en) | Low-temperature total heat recovery device | |
CN101225990B (en) | Hot-water air conditioner and control method | |
CN102829589A (en) | Air conditioning system with defroster and central air conditioning hot water system | |
CN201363859Y (en) | Air conditioning unit | |
CN202973692U (en) | Air-conditioning system with defrosting device and central air-conditioning hot water system | |
CN103307804B (en) | Defrosting system for heat pump | |
CN103307805B (en) | Trigeneration heat pump system | |
CN101382354A (en) | Double- effective day/night high temperature water-water heat pump hot water unit | |
CN203163097U (en) | Solar air conditioner | |
CN203797945U (en) | Air conditioner hot water system | |
CN203771792U (en) | Evaporative air source trigeneration heat pump | |
CN202770082U (en) | Total heat recovery device for air conditioner unit | |
CN104713269A (en) | Multi-heat-exchanger switching ground source heat pump hot water unit | |
CN101424452A (en) | Multifunctional heat pump water heating machine easy for defrosting | |
CN201363834Y (en) | Energy storage type cold and hot water air conditioning system | |
CN204830612U (en) | Prevent heat pump system that heat exchanger bottom freezes, frosts | |
CN204494899U (en) | A kind of novel total heat recovery Air-Cooled Heat Pump Unit | |
CN103557633A (en) | Air-source low-temperature tri-generation heat pump hot water unit and implementation method thereof | |
CN203824154U (en) | Air conditioning system | |
CN204006448U (en) | The full Air Conditioning System with Heat of phase-transition heat-storage |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160608 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20160608 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |