CN201772678U - Pulse air-injection high-efficient ultralow-temperature heat pump unit - Google Patents
Pulse air-injection high-efficient ultralow-temperature heat pump unit Download PDFInfo
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- CN201772678U CN201772678U CN2010205144567U CN201020514456U CN201772678U CN 201772678 U CN201772678 U CN 201772678U CN 2010205144567 U CN2010205144567 U CN 2010205144567U CN 201020514456 U CN201020514456 U CN 201020514456U CN 201772678 U CN201772678 U CN 201772678U
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- compressor
- economizer
- heat pump
- valve
- expansion valve
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Abstract
The utility model discloses a pulse air-injection high-efficient ultralow-temperature heat pump unit, which comprises a compressor, a condenser, a liquid storage tank, a thermostatic expansion valve, an evaporator and an air and liquid separator. The compressor, the condenser, the liquid storage tank, the thermostatic expansion valve, the evaporator and the air and liquid separator are connected sequentially to form a circuit, a compressor air recharging device is arranged between the compressor and the liquid storage tank and comprises an injection expansion valve, an economizer, a first electromagnetic valve and a second electromagnetic valve which are connected in parallel, the first electromagnetic valve is connected with the compressor directly, the second electromagnetic valve is in series connection with the injection expansion valve and the economizer in sequence, and the economizer is then connected with the compressor. The heat pump unit adopts the intermediate air-recharging technology for the compressor, thereby expanding normal running temperature range of the compressor greatly, keeping the system stable and reliable and saving energy obviously.
Description
Technical field
The utility model relates to field of air conditioning, particularly a kind of secondary air injection high-efficiency ultralow temperature heat pump unit.
Background technology
At present, the operating ambient temperature scope of common net for air-source heat pump units is generally at-7～43 ℃, but at the northern area of weather cold, existing air source heat pump then can't operate as normal.Therefore, limited popularization and the application of air source heat pump to a great extent in northern market.
The utility model content
The purpose of this utility model provides a kind of secondary air injection high-efficiency ultralow temperature heat pump unit, and novel structure has adopted the middle tonifying Qi technology of compressor, has improved the natural running temperature scope of compressor greatly, and system stability is reliable, and energy-saving effect is obvious.
The technical solution of the utility model is: a kind of secondary air injection high-efficiency ultralow temperature heat pump unit, comprise compressor, condenser, fluid reservoir, heating power expansion valve, evaporimeter and gas-liquid separator, each assembly links to each other successively and forms the loop, also be provided with the compressor making-up air device between described compressor and the fluid reservoir, this making-up air device comprises jet expansion valve, economizer, first magnetic valve and second magnetic valve; Described two magnetic valves are in parallel, and described first magnetic valve directly links to each other with compressor, and described second magnetic valve is in series with jet expansion valve and economizer successively, and described economizer links to each other with compressor again.
The utility model can be done following improvement, and described compressor is provided with the tonifying Qi inlet, and described first magnetic valve and economizer all are connected to the tonifying Qi inlet of compressor.
The utility model can also be done following improvement, described economizer adopts the double loop plate type heat exchanger, the two ends in one of them loop of this plate type heat exchanger link to each other with the tonifying Qi inlet of described jet expansion valve and compressor respectively, and the two ends in another loop link to each other with described fluid reservoir and heating power expansion valve respectively.
The beneficial effects of the utility model are:
Secondary air injection high-efficiency ultralow temperature heat pump unit of the present utility model, owing in source pump, increased the compressor making-up air device, improved the natural running temperature scope of compressor greatly, made compressor guaranteeing operate as normal more than-30 ℃, realized that promptly heat pump normally heats.The utility model working stability, good reliability, the energy-saving effect ideal can be widely used in north cold area.
Description of drawings
Fig. 1 is the operation principle schematic diagram of the utility model embodiment.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
The specific embodiment of the present utility model as shown in Figure 1, a kind of secondary air injection high-efficiency ultralow temperature heat pump unit, comprise compressor 1, condenser 2, fluid reservoir 3, heating power expansion valve 4, evaporimeter 5 and gas-liquid separator 6, each assembly links to each other successively and forms the loop, also be provided with the compressor making-up air device between compressor 1 and the fluid reservoir 3, this making-up air device comprises jet expansion valve 6, economizer 7, first magnetic valve 8 and second magnetic valve 9; Two magnetic valves are in parallel, and first magnetic valve 8 directly links to each other with compressor 1, and second magnetic valve 9 is in series with jet expansion valve 6 and economizer 7 successively, and economizer 7 links to each other with compressor 1 again.
In the present embodiment, compressor 1 is provided with tonifying Qi inlet VI, and first magnetic valve 8 and economizer 7 all are connected to the tonifying Qi inlet VI of compressor 1.Economizer 7 adopts the double loop plate type heat exchanger, and the two ends in one of them loop of this plate type heat exchanger link to each other with the tonifying Qi inlet VI of jet expansion valve 6 and compressor 1 respectively, and the two ends in another loop link to each other with fluid reservoir 3 and heating power expansion valve 4 respectively.The exhaust outlet D of compressor 1 is connected with cross valve 10, and compressor 1 links to each other with condenser 1 by this cross valve 10, and evaporimeter 5 links to each other with gas-liquid separator 6 by this cross valve 10, and gas-liquid separator 6 is connected to the return-air mouth S of compressor 1.The outside of compressor 1 and gas-liquid separator 6 is equipped with looking of observation usefulness and manages 12,13.Be provided with a plurality of pressure detecting mouths 14 in the source pump.Also be provided with capillary 15 between first magnetic valve 8 and the compressor 1, promptly spray when not enough when the first time of realizing by jet expansion valve 6, first magnetic valve 8 is opened, and proceeds for the second time that capillary sprays, thus the delivery temperature of control compressor 1.
The secondary air injection high-efficiency ultralow temperature heat pump unit of present embodiment, its operation principle is as follows:
(1) compressor 1 work produces the refrigerant of HTHP, and exhaust outlet D by compressor 1 and cross valve 10 enter condenser 2 and carry out heat exchange, the liquid of warm high pressure in being transformed into, and discharge by condenser 2, enter fluid reservoir 3.
(2) the refrigerant process visor 11 that comes out from fluid reservoir 3 by after economizer 7 heat exchange, flows to heating power expansion valve 4, and then enters evaporimeter 5 again, finally is back to the return-air mouth S of compressor 1 through gas-liquid separator 6.
(3) when the insufficient pressure in the compressor 1, first magnetic valve 8 can carry out throttling to unnecessary refrigerant; Refrigerant is sprayed by 6 throttlings of jet expansion valve behind second magnetic valve 9 again, changes the gas of high-temperature low-pressure into, be mingled with small amount of liquid in this gas, again further by economizer 7 heat exchange, convert gas to fully after, the tonifying Qi inlet VI that enters compressor 1 at last carries out tonifying Qi.
The above embodiments only are preferred embodiment of the present utility model, can not limit interest field of the present utility model with this, and therefore, the equivalent variations according to the utility model claim is done still belongs to the scope that the utility model is contained.
Claims (4)
1. secondary air injection high-efficiency ultralow temperature heat pump unit, comprise compressor (1), condenser (2), fluid reservoir (3), heating power expansion valve (4), evaporimeter (5) and gas-liquid separator (6), each assembly links to each other successively and forms the loop, also be provided with the compressor making-up air device on it is characterized in that between described compressor (1) and the fluid reservoir (3), this making-up air device comprises jet expansion valve (6), economizer (7), first magnetic valve (8) and second magnetic valve (9); Described two magnetic valves are in parallel, and described first magnetic valve (8) directly links to each other with compressor (1), and described second magnetic valve (9) is in series with jet expansion valve (6) and economizer (7) successively, and described economizer (7) links to each other with compressor (1) again.
2. secondary air injection high-efficiency ultralow temperature heat pump unit according to claim 1 is characterized in that described compressor (1) is provided with the tonifying Qi inlet, and described first magnetic valve (8) and economizer (7) all are connected to the tonifying Qi inlet of compressor (1).
3. secondary air injection high-efficiency ultralow temperature heat pump unit according to claim 2, it is characterized in that described economizer (7) adopts the double loop plate type heat exchanger, the two ends in one of them loop of this plate type heat exchanger link to each other with the tonifying Qi inlet of described jet expansion valve (6) and compressor (1) respectively, and the two ends in another loop link to each other with described fluid reservoir (3) and heating power expansion valve (4) respectively.
4. according to any described secondary air injection high-efficiency ultralow temperature heat pump unit in the claim 1 to 3, the exhaust outlet that it is characterized in that described compressor (1) is connected with cross valve (10), described compressor (1) links to each other with condenser (2) by this cross valve (10), and, described evaporimeter (5) links to each other with gas-liquid separator (6) by this cross valve (10), and described gas-liquid separator (6) is connected to the return-air mouth of compressor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205144567U CN201772678U (en) | 2010-09-02 | 2010-09-02 | Pulse air-injection high-efficient ultralow-temperature heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205144567U CN201772678U (en) | 2010-09-02 | 2010-09-02 | Pulse air-injection high-efficient ultralow-temperature heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201772678U true CN201772678U (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205144567U Expired - Lifetime CN201772678U (en) | 2010-09-02 | 2010-09-02 | Pulse air-injection high-efficient ultralow-temperature heat pump unit |
Country Status (1)
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| CN (1) | CN201772678U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922823A (en) * | 2010-09-02 | 2010-12-22 | 广州德能热源设备有限公司 | Secondary air injection high-efficiency ultralow temperature heat pump unit |
| CN103968460A (en) * | 2014-05-16 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioning system |
-
2010
- 2010-09-02 CN CN2010205144567U patent/CN201772678U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922823A (en) * | 2010-09-02 | 2010-12-22 | 广州德能热源设备有限公司 | Secondary air injection high-efficiency ultralow temperature heat pump unit |
| CN103968460A (en) * | 2014-05-16 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Secondary air injection high-efficiency ultralow temperature heat pump unit Effective date of registration: 20110816 Granted publication date: 20110323 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Deron Heat Source Facilities Co., Ltd. Registration number: 2011990000312 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130718 Granted publication date: 20110323 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Deron Heat Source Facilities Co., Ltd. Registration number: 2011990000312 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Secondary air injection high-efficiency ultralow temperature heat pump unit Effective date of registration: 20130718 Granted publication date: 20110323 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Deron Heat Source Facilities Co., Ltd. Registration number: 2013990000472 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140924 Granted publication date: 20110323 Pledgee: Industrial Bank Limited by Share Ltd Guangzhou Dongshan Branch Pledgor: Guangzhou Deron Heat Source Facilities Co., Ltd. Registration number: 2013990000472 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Secondary air injection high-efficiency ultralow temperature heat pump unit Effective date of registration: 20141022 Granted publication date: 20110323 Pledgee: Industrial Bank, Limited by Share Ltd, Guangzhou, Haizhu branch Pledgor: Guangzhou Deron Heat Source Facilities Co., Ltd. Registration number: 2014990000884 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
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| CX01 | Expiry of patent term |