CN201359375Y - Hot pump water heater - Google Patents
Hot pump water heater Download PDFInfo
- Publication number
- CN201359375Y CN201359375Y CNU2009200038592U CN200920003859U CN201359375Y CN 201359375 Y CN201359375 Y CN 201359375Y CN U2009200038592 U CNU2009200038592 U CN U2009200038592U CN 200920003859 U CN200920003859 U CN 200920003859U CN 201359375 Y CN201359375 Y CN 201359375Y
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- CN
- China
- Prior art keywords
- defrosting
- teat pump
- pump boiler
- branch road
- evaporimeter
- 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 - Lifetime
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Abstract
The utility model discloses a hot pump water heater, which comprises a compressor, a condenser for producing hot water, a throttling device, an evaporator and a liquid-vapor separator with heat recovery function, wherein the air outlet side of the condenser is connected into the throttling device through the liquid-vapor separator, the hot pump water heater further comprises a defrost circuit branch including a defrost pipe and solenoid valve, the defrost pipe is connected with the air outlet side of the compressor and positioned inside the evaporator, and the solenoid valve controls on and off of the defrost circuit branch. The hot pump water heater can avoid liquid slugging and effectively prevent the bottom of the evaporator from freezing.
Description
Technical field
The utility model belongs to the HVAC technical field, relates in particular to a kind of Teat pump boiler.
Background technology
Because environmental problems such as global warming, unusual weather conditions are serious day by day, the most urgent research topic is exactly to seek refrigeration working medium new, environmental sound in heat pump, air-conditioning and refrigeration system, and substituting has destruction also can produce the CFCS and the HCFCS of greenhouse effects to ozone layer.Plurality of advantages such as that carbon dioxide and hydrocarbon class cold-producing medium have is environmentally friendly, stable in properties, therefore become heat pump working medium substitute in one of the most potential natural medium.
In the energy requirement of the most of families in the world, 1/4～1/3 demand that derives from hot water is arranged approximately, and main at present employing gas heater, electric heater or solar water heater are produced hot water, these water heaters or power consumption are greatly, the cost height, and have a lot of unsafe factors.And the using heat pump system produces the domestic hot-water and generally acknowledges at present more energy-conservation a kind of mode.
But, more existing Teat pump boilers use at cold district and are restricted, mainly be because outdoor temperature easy frosting of evaporimeter when too low, and may cause the bottom to begin to freeze for various reasons through defrosting finisher bottom, this trend worsens if leave, freezing level slowly increases, and finally causes system normally not move.
The utility model content
The purpose of this utility model is to provide a kind of Teat pump boiler of taking back thermal cycle and hot-gas bypass function.
For reaching this purpose, the utility model provides a kind of Teat pump boiler, comprise compressor, heat condenser, throttling arrangement, the evaporimeter of water and gas-liquid separator with backheating function, it is characterized in that, the side of giving vent to anger of condenser is connected to throttling arrangement via gas-liquid separator, wherein, Teat pump boiler also comprises the defrosting branch road, and the defrosting branch road comprises and is connected to compressor the give vent to anger defrosting pipe that is arranged in evaporimeter of side and the magnetic valve of control defrosting branch road conducting or disconnection.
Wherein, above-mentioned defrosting pipe comprises a plurality of finned tubes that are positioned at base of evaporator.
Wherein, above-mentioned throttling arrangement comprises the capillary and the electric expansion valve of series connection, and the defrosting pipe of defrosting branch road is connected on the pipeline between capillary and the electric expansion valve.
Wherein, the defrosting pipe of above-mentioned defrosting branch road is connected to the air inlet side of evaporimeter.
Wherein, the pipeline before the above-mentioned capillary is provided with filter.
In the utility model, the gas-liquid separator that possesses backheating function can simplied system structure, makes compressor air suction that the reliable degree of superheat also be arranged under lower environment temperature, prevents liquid hit phenomenon; The base of evaporator finned tube is as the part of hot-gas bypass, and the device bottom that can effectively avoid evaporating freezes; And can also realize pressure control before hot-gas bypass enters the evaporimeter defrosting when adopting the scheme of magnetic valve bypass before electric expansion valve, the high-low pressure moment impact appears in anti-locking system at the evaporator inlet place, help the continuous reliability service of system.
Be noted that the description and the following detailed description all are exemplary, being intended to provides further instruction to desired the utility model.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.Below with reference to figure, other purpose, feature and effect of the present utility model is described in further detail.
Description of drawings
Constitute this specification a part, be used for further understanding and of the present utility modelly illustrate preferred embodiment and be used for illustrating principle of the present utility model with explanation.Among the figure:
Fig. 1 shows the Teat pump boiler according to the utility model first embodiment; And
Fig. 2 shows the Teat pump boiler according to the utility model second embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment Teat pump boiler of the present utility model is described in detail.
Fig. 1 shows the Teat pump boiler according to the utility model first embodiment.As shown in Figure 1, the Teat pump boiler of taking back thermal cycle and hot-gas bypass function of the present utility model, by compressor 10, condenser 13, filter 18, throttling arrangement 17 and 16, evaporimeter 15, take back hot merit can gas-liquid separator 15, magnetic valve 14 and some tube connectors etc. form.
Wherein, the side of giving vent to anger of condenser 13 is connected to described throttling arrangement 17,16 via gas-liquid separator 12.This throttling arrangement is preferably the combination of step-down capillary 17 and electric expansion valve 16.Teat pump boiler is filled cold-producing medium by filled mouthful 19 among the figure.
This Teat pump boiler has the hot-gas bypass function, and this hot-gas bypass function realizes by defrosting branch road 20, and this defrosting branch road comprises and is connected to compressor the defrost magnetic valve 14 of branch road 20 conductings or disconnection of the defrosting pipe that is arranged in evaporimeter 151 of side and control of giving vent to anger.
Like this, compressor 10 outlets are divided into two, wherein one the road be connected to condenser 13 imports, from enter after condenser 13 comes out take back hot merit can gas-liquid separator 12 realize before the throttlings cold excessively, pass through filter 18 then, throttling arrangement 17,16 enter evaporimeter 15 evaporates heat absorption, when the low-temperature low-pressure refrigerant after the heat absorption returns the gas-liquid separator 12 realization gas-liquid separation afterwards of taking back the hot merit energy, also with throttling before cold-producing medium carry out heat exchange and realize to heat up, low pressure refrigerant gas after overheated exports the import of returning compressor 10 from gas-liquid separator, enters next circulation.
Another one (branch road promptly defrosts) along separate routes is connected with several finned tubes (formation defrosting pipe) of base of evaporator, and the outlet of the another one of these finned tubes is connected with certain position of throttling arrangement, controls break-make along separate routes by front magnetic valve 14 of polyphone of these finned tubes simultaneously.
When producing hot water, magnetic valve 14 cuts out, and magnetic valve 14 is opened during evaporator defrost.Feed base of evaporator before the refrigerant gas defrosting of most HTHP, the device bottom that can effectively avoid evaporating freezes, and has only the cold-producing medium of small part to enter evaporimeter along original stream.Like this, can guarantee enough defrosting heats.
The idiographic flow of cold-producing medium is as follows:
When producing hot water, compressor 10 → condenser 13 → gas-liquid separator 12 → filter 18 → throttling arrangement 17,16 → evaporimeter, 15 → gas-liquid separator, 12 → compressor 10;
When the evaporimeter defrosting,
The related Teat pump boiler of the utility model is suitable for multiple cold-producing medium, particularly carbon dioxide or hydrocarbon class cold-producing medium.Certainly, the utility model also can be deformed into cooling unit.
Fig. 2 shows the Teat pump boiler according to another embodiment of the utility model.This embodiment and the first embodiment difference be, the end of defrosting branch road 20 is connected on the pipeline between electric expansion valve 16 and the step-down capillary 17, and magnetic valve 14 is positioned at the back of finned tube 151.The magnetic valve bypass before electric expansion valve, can effectively be regulated the pressure of defrosting steam, prevent to produce the moment impact of high-low pressure with the steam of low pressure stream.
By above description as can be seen, in the utility model, the gas-liquid separator that possesses backheating function can simplied system structure, makes compressor air suction that the reliable degree of superheat also be arranged under lower environment temperature, prevents liquid hit phenomenon; The base of evaporator finned tube is as the part of hot-gas bypass, and the device bottom that can effectively avoid evaporating freezes; And can also realize pressure control before hot-gas bypass enters the evaporimeter defrosting when adopting the scheme of magnetic valve bypass before electric expansion valve, the high-low pressure moment impact appears in anti-locking system at the evaporator inlet place, help the continuous reliability service of system.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a Teat pump boiler comprises compressor, heats condenser, throttling arrangement, the evaporimeter of water and the gas-liquid separator with backheating function, it is characterized in that,
The side of giving vent to anger of described condenser is connected to described throttling arrangement via described gas-liquid separator,
Wherein, described Teat pump boiler also comprises the defrosting branch road, and described defrosting branch road comprises and is connected to described compressor the give vent to anger defrosting pipe that is arranged in evaporimeter of side and the magnetic valve of controlling conducting of described defrosting branch road or disconnection.
2. Teat pump boiler according to claim 1 is characterized in that,
Described defrosting pipe comprises a plurality of finned tubes that are positioned at base of evaporator.
3. Teat pump boiler according to claim 1 is characterized in that,
Described throttling arrangement comprises the capillary and the electric expansion valve of series connection, and the defrosting pipe of described defrosting branch road is connected on the pipeline between described capillary and the electric expansion valve.
4. Teat pump boiler according to claim 1 is characterized in that,
The defrosting pipe of described defrosting branch road is connected to the air inlet side of described evaporimeter.
5. Teat pump boiler according to claim 3 is characterized in that,
Pipeline before the described capillary is provided with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200038592U CN201359375Y (en) | 2009-02-12 | 2009-02-12 | Hot pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200038592U CN201359375Y (en) | 2009-02-12 | 2009-02-12 | Hot pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359375Y true CN201359375Y (en) | 2009-12-09 |
Family
ID=41425140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200038592U Expired - Lifetime CN201359375Y (en) | 2009-02-12 | 2009-02-12 | Hot pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359375Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226608A (en) * | 2011-04-27 | 2011-10-26 | 海尔集团公司 | Air conditioner defrosting system, air conditioner and air conditioner defrosting method |
| CN102563974A (en) * | 2012-02-17 | 2012-07-11 | 重庆大学 | Coupling injection enthalpy-increasing air source heat pump system |
| CN106765525A (en) * | 2016-12-16 | 2017-05-31 | 广东美的暖通设备有限公司 | The stream control system of outer machine, constant speed Air-Cooled Heat Pump Unit and its control method |
| CN107178942A (en) * | 2017-07-17 | 2017-09-19 | 河南恒天润景环境科技有限公司 | A kind of anti-freeze device of air source heat pump evaporator defrosting water |
| CN108826766A (en) * | 2018-04-28 | 2018-11-16 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its control method |
| CN110567208A (en) * | 2019-09-23 | 2019-12-13 | 珠海格力电器股份有限公司 | Unit anti-freezing device, air conditioning unit and air conditioning unit control method |
| CN112594983A (en) * | 2020-12-08 | 2021-04-02 | 格力电器（合肥）有限公司 | Refined forward circulating deicing system of air conditioner and control method |
-
2009
- 2009-02-12 CN CNU2009200038592U patent/CN201359375Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226608A (en) * | 2011-04-27 | 2011-10-26 | 海尔集团公司 | Air conditioner defrosting system, air conditioner and air conditioner defrosting method |
| CN102226608B (en) * | 2011-04-27 | 2013-03-27 | 海尔集团公司 | Air conditioner defrosting system, air conditioner and air conditioner defrosting method |
| CN102563974A (en) * | 2012-02-17 | 2012-07-11 | 重庆大学 | Coupling injection enthalpy-increasing air source heat pump system |
| CN102563974B (en) * | 2012-02-17 | 2013-11-27 | 重庆大学 | Coupling injection enthalpy-increasing air source heat pump system |
| CN106765525A (en) * | 2016-12-16 | 2017-05-31 | 广东美的暖通设备有限公司 | The stream control system of outer machine, constant speed Air-Cooled Heat Pump Unit and its control method |
| CN107178942A (en) * | 2017-07-17 | 2017-09-19 | 河南恒天润景环境科技有限公司 | A kind of anti-freeze device of air source heat pump evaporator defrosting water |
| CN108826766A (en) * | 2018-04-28 | 2018-11-16 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its control method |
| CN110567208A (en) * | 2019-09-23 | 2019-12-13 | 珠海格力电器股份有限公司 | Unit anti-freezing device, air conditioning unit and air conditioning unit control method |
| CN112594983A (en) * | 2020-12-08 | 2021-04-02 | 格力电器（合肥）有限公司 | Refined forward circulating deicing system of air conditioner and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091209 |