CN201666698U - Air conditioner capable of increasing low-temperature heating quantity - Google Patents

Air conditioner capable of increasing low-temperature heating quantity Download PDF

Info

Publication number
CN201666698U
CN201666698U CN2009202921301U CN200920292130U CN201666698U CN 201666698 U CN201666698 U CN 201666698U CN 2009202921301 U CN2009202921301 U CN 2009202921301U CN 200920292130 U CN200920292130 U CN 200920292130U CN 201666698 U CN201666698 U CN 201666698U
Authority
CN
China
Prior art keywords
air
temperature
pressure
low
compressor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202921301U
Other languages
Chinese (zh)
Inventor
冯利峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Kelon Air Conditioner Co Ltd
Hisense Home Appliances Group Co Ltd
Original Assignee
Guangdong Kelon Air Conditioner Co Ltd
Hisense Kelon Electrical Holdings Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Kelon Air Conditioner Co Ltd, Hisense Kelon Electrical Holdings Co Ltd filed Critical Guangdong Kelon Air Conditioner Co Ltd
Priority to CN2009202921301U priority Critical patent/CN201666698U/en
Application granted granted Critical
Publication of CN201666698U publication Critical patent/CN201666698U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The utility model discloses an air conditioner capable of increasing the low-temperature heating quantity, which comprises a compressor and an air supplementing and enthalpy increasing device connected between an air exhaust pipe and an air return pipe of the compressor. The air conditioner utilizes an air supplementing and enthalpy increasing loop to increase the air exhaust pressure when the outdoor environment temperature is rather low, so as to achieve the purpose of increasing the low-temperature heating quantity, thereby realizing good low-temperature heating effect. When the outdoor environment temperature is lower than t1, the air supplementing and enthalpy increasing device is started, high-pressure/temperature air in the air exhaust pipe of the compressor is changed into low-pressure and high-temperature air after receiving pressure reduction by the air supplementing and enthalpy increasing loop, and the low-pressure and high-temperature air returns to an air return opening of the compressor through the air supplementing and enthalpy increasing loop; as gaseous refrigerants with relative high temperature at the air return opening of the compressor are increased, the air return pressure of the compressor is increased, thereby causing the increasing of the air exhaust pressure. As the air exhaust pressure is increased, the condensing pressure and temperature are increased, thereby causing the increasing of the heating quantity.

Description

A kind of air-conditioner that can improve low-temperature heating capacity
Technical field
The utility model relates to the technical field of air-conditioner in the electric equipment, more particularly, relates to a kind of air-conditioner that can improve low-temperature heating capacity.
Background technology
During heating operation, the difference of evaporating temperature and outdoor temperature is less, evaporimeter heat exchange property variation under the lower situation of outdoor temperature for air conditioner, though at this moment the multiplication of voltage of condensing pressure and evaporating pressure is very big, but,, also relatively low through condensing pressure after the compressor compresses because evaporating pressure is lower, condensation temperature is lower, less with the indoor temperature difference, the condenser heat exchange property is also poor, and heating capacity is little, leaving air temp is also lower, and comfortableness is very poor.Therefore, in order to improve the low-temperature heating performance, the condensing pressure in the time of should improving low-temperature heating as far as possible will improve condensing pressure and just must improve pressure at expulsion, and the raising of pressure at expulsion depends on the raising of pressure of inspiration(Pi).Because outdoor temperature is low, evaporating pressure is low, causes pressure of inspiration(Pi) to be difficult to improve.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of raising pressure at expulsion, and then reaches the air-conditioner that improves low-temperature heating capacity.
For solving the problems of the technologies described above, technical scheme of the present utility model is: a kind of air-conditioner that can improve low-temperature heating capacity, comprise compressor, and also be included in the tonifying Qi enthalpy-increasing device that is connected between compressor exhaust pipe and the muffler.
Described tonifying Qi enthalpy-increasing device comprises capillary and the magnetic valve that is connected in series.
Described tonifying Qi enthalpy-increasing device is an electric expansion valve.
Described capillary is a restriction sleeve.
Described capillary is a restricting orifice.
The utility model with respect to the beneficial effect of prior art is:
The utility model increases the enthalpy loop by a tonifying Qi, when outdoor environment temperature is low, improves pressure at expulsion, and then reaches the purpose that improves low-temperature heating capacity, obtains the good low-temperature heating effect.
Air-conditioner of the present utility model is when outdoor environment temperature is lower than a certain temperature t 1, open the tonifying Qi enthalpy-increasing device, high pressure-temperature gas in the compressor exhaust pipe, after the process tonifying Qi increases the step-down of enthalpy loop, become the gas of low-voltage high-temperature, low-voltage high-temperature gas increases the return-air mouth that the enthalpy loop turns back to compressor through tonifying Qi.Because compressor return air mouth relatively-high temperature gaseous refrigerant increases, make the rising of compressor return air pressure, and then cause pressure at expulsion to raise.Pressure at expulsion raises, and condensing pressure improves, condensation temperature improves, and heating capacity increases, and adopts this method can make low-temperature heating capacity increase about 30%.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the connection layout of the utility model air-conditioner critical piece.
The specific embodiment
Referring to accompanying drawing 1,1 is air conditioning chamber's inner condenser, and 2 are the throttling dropping equipment, and 3 is evaporimeter outside the air conditioning chamber, and 4 is cross valve, and 5 is magnetic valve, and 6 is compressor liquid storage can, and 7 is compressor, and 8 is capillary, and 9 is check valve.
Be connected a tonifying Qi enthalpy-increasing device between outdoor compressor exhaust pipe and muffler, this device comprises capillary 8 and the magnetic valve 5 that is connected in series.It is the capillary of φ 1.4 or φ 1.7 that capillary 8 adopts internal diameter, length 300mm~1500mm.
When if outdoor environment temperature is higher, magnetic valve 5 is in closed condition, the refrigeration of air-conditioner, heat fully the same with the common air-conditioning device.
When outdoor environment temperature was low, the gaseous refrigerant of getting back to compressor liquid storage can 6 through off-premises station evaporimeter 3, cross valve 4, check valve 9 was few, and temperature is low, pressure is low.After the cold-producing medium of low back pressure compressed through compressor 7, pressure at expulsion was relative also lower, the cold-producing medium process cross valve 4 that pressure is not high, and the condensing pressure that arrives indoor condenser 1 is also lower, makes condensation temperature not high, and heating capacity is little.
Therefore, when outdoor environment temperature is lower than a certain temperature t 1, open magnetic valve 5, high pressure-temperature gas in the compressor exhaust pipe after capillary 8 step-downs, becomes the gas of low-voltage high-temperature, low-voltage high-temperature gas turns back to fluid reservoir 6 through magnetic valve 5, arrives the return-air mouth of compressor 7 again.Because compressor return air mouth relatively-high temperature gaseous refrigerant increases, make the rising of compressor return air pressure, and then cause pressure at expulsion to raise.Pressure at expulsion raises, and condensing pressure improves, condensation temperature improves, and heating capacity increases.The scope of t1 is at-5 ℃~+ 5 ℃.
In the air conditioner heat-production process, if, controlling magnetic valve 5 less than+5 ℃, opens outdoor environment temperature, will flow into the compressor air suction loop after the refrigerant step-down of part.Magnetic valve 5 cuts out during heating operation under other environment temperatures, and refrigerant can not flow through magnetic valve 5 and capillary 8, the normal heating operation of air-conditioner.
The utility model can also be selected electric expansion valve, replaces capillary 8 and magnetic valve 5.If outdoor environment temperature is more than or equal to+5 ℃, the control electric expansion valve is closed.If outdoor environment temperature less than+5 ℃, under different outdoor temperatures, is controlled the different opening of electric expansion valve.
The utility model also can be selected restriction sleeve, restricting orifice to substitute capillary 8 and realize above-mentioned purpose.

Claims (5)

1. the air-conditioner that can improve low-temperature heating capacity comprises compressor, it is characterized in that: also be included in the tonifying Qi enthalpy-increasing device that is connected between compressor exhaust pipe and the muffler.
2. the air-conditioner that can improve low-temperature heating capacity according to claim 1 is characterized in that: described tonifying Qi enthalpy-increasing device comprises capillary (8) and the magnetic valve (5) that is connected in series.
3. the air-conditioner that can improve low-temperature heating capacity according to claim 1 is characterized in that: described tonifying Qi enthalpy-increasing device is an electric expansion valve.
4. the air-conditioner that can improve low-temperature heating capacity according to claim 2 is characterized in that: described capillary (8) is a restriction sleeve.
5. the air-conditioner that can improve low-temperature heating capacity according to claim 2 is characterized in that: described capillary (8) is a restricting orifice.
CN2009202921301U 2009-12-31 2009-12-31 Air conditioner capable of increasing low-temperature heating quantity Expired - Fee Related CN201666698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202921301U CN201666698U (en) 2009-12-31 2009-12-31 Air conditioner capable of increasing low-temperature heating quantity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202921301U CN201666698U (en) 2009-12-31 2009-12-31 Air conditioner capable of increasing low-temperature heating quantity

Publications (1)

Publication Number Publication Date
CN201666698U true CN201666698U (en) 2010-12-08

Family

ID=43267657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202921301U Expired - Fee Related CN201666698U (en) 2009-12-31 2009-12-31 Air conditioner capable of increasing low-temperature heating quantity

Country Status (1)

Country Link
CN (1) CN201666698U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103940138A (en) * 2014-04-01 2014-07-23 广东美的暖通设备有限公司 Air-cooled heat pump unit
CN104976813A (en) * 2014-04-04 2015-10-14 广东美的暖通设备有限公司 Air conditioner
CN107477913A (en) * 2017-09-08 2017-12-15 浙江智恩电子科技有限公司 Direct expanding solar heating pump system and its control method
CN114322265A (en) * 2017-08-31 2022-04-12 广东美的制冷设备有限公司 Air conditioner and energy efficiency calculation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103940138A (en) * 2014-04-01 2014-07-23 广东美的暖通设备有限公司 Air-cooled heat pump unit
CN104976813A (en) * 2014-04-04 2015-10-14 广东美的暖通设备有限公司 Air conditioner
CN104976813B (en) * 2014-04-04 2017-07-28 广东美的暖通设备有限公司 Air conditioner
CN114322265A (en) * 2017-08-31 2022-04-12 广东美的制冷设备有限公司 Air conditioner and energy efficiency calculation method thereof
CN107477913A (en) * 2017-09-08 2017-12-15 浙江智恩电子科技有限公司 Direct expanding solar heating pump system and its control method

Similar Documents

Publication Publication Date Title
CN101769657A (en) Air conditioner capable of improving low-temperature heating capacity and control method thereof
CN103629873B (en) The control method of Two-stage Compression air-conditioning system
CN109556210B (en) Control method of low-temperature triple heat supply pump system
CN201866979U (en) Household air conditioner capable of realizing low-temperature heating
CN103363717A (en) Refrigerating system and operation method thereof
CN103673138A (en) Air conditioner and control method thereof
CN201666698U (en) Air conditioner capable of increasing low-temperature heating quantity
CN103234301B (en) Air conditioner heat exchange system and control method thereof
CN201740300U (en) Secondary compression heat pump system with intermediate cooler
CN201463395U (en) Two-stage compressed air source heat pump system with air supplement function
WO2023010887A1 (en) High-low temperature ambient test box refrigeration system and method capable of performing rewarming by using ambient heat
CN106196675B (en) Air conditioner
CN111006301A (en) Carbon dioxide cascade heating system and control method thereof
CN101625176B (en) Quasi-tertiary compressed air source hot pump system
CN204063660U (en) Three stage compression autocascade cycle heat pump
CN103940135A (en) Refrigeration device
CN216132132U (en) High-low temperature environment test box refrigerating system capable of achieving rewarming by utilizing environment heat
CN1904515A (en) Commercial use air conditioner
CN102538272A (en) Air conditioning system and defrosting method thereof
CN205026991U (en) Adsorb with vapor compression overlapping formula refrigerating plant and contain its air conditioner
CN1908556A (en) Refrigerating air conditioner in high temperature working condition
CN102788446A (en) Adsorption type auxiliary heat pump refrigerating system driven by condensation heat
CN108469134B (en) Improved air-cooled condenser and control method thereof
CN203010772U (en) Thermoregulation humidifying type air-conditioning system
CN202101464U (en) Refrigeration device of air conditioner

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101208

Termination date: 20151231

EXPY Termination of patent right or utility model