CN202955906U - Cascade heat pump air heater and condensing unit applied to same - Google Patents

Cascade heat pump air heater and condensing unit applied to same Download PDF

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Publication number
CN202955906U
CN202955906U CN 201220547223 CN201220547223U CN202955906U CN 202955906 U CN202955906 U CN 202955906U CN 201220547223 CN201220547223 CN 201220547223 CN 201220547223 U CN201220547223 U CN 201220547223U CN 202955906 U CN202955906 U CN 202955906U
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CN
China
Prior art keywords
temperature level
low temperature
casing
stage compressor
heat pump
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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
CN 201220547223
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Chinese (zh)
Inventor
覃志成
段赞辉
韩建新
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Guangzhou Keyu Energy Technology Co., Ltd.
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苏宇贵
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Priority to CN 201220547223 priority Critical patent/CN202955906U/en
Application granted granted Critical
Publication of CN202955906U publication Critical patent/CN202955906U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a cascade heat pump air heater and a condensing unit applied to the same. The cascade heat pump air heater comprises a first box body, a low-temperature compressor, a low-temperature evaporator, a first throttling element, a high-temperature compressor, a high-temperature evaporator and a second throttling element. The first box body is provided with an air inlet and an air outlet; and a low-temperature condenser and a high-temperature condenser are sequentially arranged in the first box body in the direction of the air inlets pointing to the air outlet. The low-temperature condenser, the first throttling element, the low-temperature evaporator and the low-temperature compressor are sequentially arranged through a pipeline to form closed cycle. The high-temperature condenser, the second throttling element, the high-temperature evaporator and the high-temperature compressor are sequentially arranged through a pipeline to form closed cycle. The cascade heat pump air heater and the condensing unit applied to the same can generate high-temperature hot air and are high in heating efficiency, wide in adaptive temperature range and good in system stability.

Description

Cascade type heat pump air-heater and be applied to condensation unit wherein
Technical field
The utility model relates to heat pump high-temperature technology field, particularly relates to a kind of cascade type heat pump air-heater and is applied to condensation unit wherein.
Background technology
Heat Pump blower fan group is for the demand of drying market and the new unit of releasing, current Heat Pump blower fan group, produce high-temperature hot-air by triangular web, this unit is characterized in that condensation temperature and condensing pressure are all very high, cause heat exchange efficiency to descend, even can not produce when high-temperature hot-air or environment temperature are hanged down and can not start, system is very unstable, the compressor damage rate is higher, economic benefit reduction etc.
Summary of the invention
Based on this, be necessary for the prior art defect, provide a kind of can produce high-temperature hot-air, heating efficiency is high, the adaptive temperature scope is wide, Heat Pump blower fan system stability and be applied to condensation unit wherein.
Its technical scheme is as follows.
A kind of cascade type heat pump air-heater, comprise the first casing, low temperature stage compressor, low temperature level evaporimeter, first throttle element, high temperature stage compressor, high temperature level evaporimeter and second section fluid element.Described the first casing is provided with air inlet and air outlet, and described the first casing is interior along on the direction of air inlet sensing air outlet, being disposed with low temperature level condenser and high temperature level condenser.Described low temperature level condenser, first throttle element, low temperature level evaporimeter and low temperature stage compressor are installed successively and are connected to form closed circulation by pipeline.Described high temperature level condenser, second section fluid element, high temperature level evaporimeter and high temperature stage compressor are installed successively and are connected to form closed circulation by pipeline.
Further, the cascade type heat pump air-heater also comprises the second casing, described low temperature stage compressor, low temperature level evaporimeter, high temperature stage compressor and high temperature level evaporimeter all are arranged in described the second casing, described low temperature level evaporimeter is mutually installed and is connected by pipeline with described low temperature stage compressor, and described high temperature stage compressor is mutually installed and is connected by pipeline with described high temperature level evaporimeter.
Further, described the second casing is provided with evaporation exhausting window, in described evaporation exhausting window, the evaporation side blower fan is set.
Further, also be provided with the condensation side blower fan in described the first casing.
Further, described low temperature stage compressor and the described low temperature level evaporimeter place of being connected are provided with the first cross valve, and described high temperature level compression mobile phone and the described high temperature level evaporimeter place of being connected are provided with the second cross valve.
The utility model also provides a kind of condensation unit, comprise described the first casing of aforementioned any one, be provided with the described air inlet of aforementioned any one and air outlet in described the first casing, along on the direction of described air inlet sensing air outlet, being disposed with low temperature level condenser and high temperature level condenser.
Further, the condensation unit also comprises the condensation side blower fan.
Below advantage or the principle of the technical program are described.
1, the utility model cascade type heat pump air-heater arranges respectively the heating system that each self energy works independently, cold wind is at first in air inlet the first casing, the first heating through low temperature level heating system becomes middle warm air, and then middle warm air is heated into needed high-temperature hot-air through high temperature level heating system again.Low temperature level heating system and high temperature level heating system are independent autonomous system, former capital can select different heat-exchange working mediums to carry out work according to its actual needs, make two systems can both obtain the highest Energy Efficiency Ratio, also avoided the single system air-heater to be not suitable with the situation that can not start under high condensation temperature and low temperature environment.Simultaneously, the utility model cascade type heat pump air-heater can obtain larger air quantity, higher hot blast temperature and the wider temperature scope of application with respect to the single system air-heater.
2, low temperature stage compressor, low temperature level evaporimeter, high temperature stage compressor and high temperature level evaporimeter all are arranged in described the second casing, facilitate the production of cascade type heat pump air-heater and install and use.
3, the second casing is provided with evaporation exhausting window, in described evaporation exhausting window, the evaporation side blower fan is set.The evaporation side blower fan is set, can effectively improves the low temperature level evaporimeter that is positioned at the second casing and the heat exchange efficiency of high temperature level evaporimeter.
4, be provided with the condensation side blower fan in the first casing.The condensation side blower fan is set, can effectively improves the low temperature level condenser that is positioned at the first casing and the heat exchange efficiency of high temperature level condenser.
5, described low temperature stage compressor and the described low temperature level evaporimeter place of being connected are provided with the first cross valve, and described high temperature stage compressor and the described high temperature level evaporimeter place of being connected are provided with the second cross valve.Cross valve is set, but the flow direction of heat exchanging working medium is changed.
6, the condensation unit comprises described the first casing, in described the first casing, is provided with described air inlet and air outlet, along on the direction of described air inlet sensing air outlet, being disposed with low temperature level condenser and high temperature level condenser.Low temperature level condenser and high temperature level condenser are set, convenient production and installation in the condensation unit.
7, in the condensation unit, the condensation side blower fan is set, can effectively improves the low temperature level condenser that is positioned at the first casing and the heat exchange efficiency of high temperature level condenser.
The accompanying drawing explanation
Fig. 1 is the structural representation of the described cascade type heat pump air-heater of the utility model embodiment mono-while being the water source type;
Fig. 2 is the structural representation of the described cascade type heat pump air-heater of the utility model embodiment bis-while being the water source type;
Description of reference numerals:
10, the first casing, 101, low temperature level condenser, 102, high temperature level condenser, 103, condensation side blower fan, the 20, second casing, 210, the low temperature stage compressor, 220, high temperature stage compressor, 230, low temperature level evaporimeter, 240, high temperature level evaporimeter, 250, the first throttle element, 260, second section fluid element, 270, the first cross valve, the 280, second cross valve, 290, the evaporation side blower fan.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described in detail.
Embodiment mono-
The cascade type heat pump air-heater is the water source type as shown in Figure 1, comprises the first casing 10, low temperature stage compressor 210, low temperature level evaporimeter 230, first throttle element 250, high temperature stage compressor 220, high temperature level evaporimeter 240 and second section fluid element 260.The first casing 10 is provided with air inlet and air outlet, and the first casing 10 is interior along on the direction of air inlet sensing air outlet, being disposed with low temperature level condenser 101 and high temperature level condenser 102.Low temperature level condenser 101, first throttle element 250, low temperature level evaporimeter 230 and low temperature stage compressor 210 are installed successively and are connected to form closed circulation by pipeline.High temperature level condenser 102, second section fluid element 260, high temperature level evaporimeter 240 and high temperature stage compressor 220 are installed successively and are connected to form closed circulation by pipeline.Also be provided with condensation side blower fan 103 in the first casing 10.
Wherein, the cascade type heat pump air-heater also comprises the second casing 20, low temperature stage compressor 210, low temperature level evaporimeter 230, high temperature stage compressor 220 and high temperature level evaporimeter 240 all are arranged in the second casing, low temperature level evaporimeter 230 is mutually installed and is connected by pipeline with low temperature stage compressor 210, and high temperature stage compressor 220 is mutually installed and is connected by pipeline with high temperature level evaporimeter 240.
The cascade type heat pump air-heater also includes the condensation unit be applied to wherein, comprise aforesaid the first casing 10, be provided with aforesaid air inlet and air outlet in the first casing 10, along on the direction of air inlet sensing air outlet, being disposed with low temperature level condenser 101 and high temperature level condenser 102.The condensation unit also comprises condensation side blower fan 103.
Below principle or the advantage of the utility model embodiment mono-are described:
1, the utility model cascade type heat pump air-heater arranges respectively the heating system that each self energy works independently, cold wind is at first in air inlet the first casing 10, the first heating through low temperature level heating system becomes middle warm air, and then middle warm air is heated into needed high-temperature hot-air through high temperature level heating system again.Low temperature level heating system and high temperature level heating system are independent autonomous system, former capital can select different heat-exchange working mediums to carry out work according to its actual needs, make two systems can both obtain the highest Energy Efficiency Ratio, also avoided the single system air-heater to be not suitable with the situation that can not start under high condensation temperature and low temperature environment.Simultaneously, the utility model cascade type heat pump air-heater can obtain larger air quantity, higher hot blast temperature and the wider temperature scope of application with respect to the single system air-heater.
2, low temperature stage compressor 210, low temperature level evaporimeter 230, high temperature stage compressor 220 and high temperature level evaporimeter 240 all are arranged in the second casing 20, facilitate the production of cascade type heat pump air-heater and install and use.
3, be provided with condensation side blower fan 103 in the first casing 10.Condensation side blower fan 103 is set, can effectively improves the low temperature level condenser 101 that is positioned at the first casing 10 and the heat exchange efficiency of high temperature level condenser 102.
4, the air inlet and the air outlet that in the first casing 10, the first casings 10 that the condensation unit comprises, are provided with, along on the direction of air inlet sensing air outlet, being disposed with low temperature level condenser 101 and high temperature level condenser 103.Low temperature level condenser 101 and high temperature level condenser 102 are set, convenient production and installation in the condensation unit.
5, in the condensation unit, condensation side blower fan 103 is set, can effectively improves the low temperature level condenser 101 that is positioned at the first casing 10 and the heat exchange efficiency of high temperature level condenser 102.
Embodiment bis-
The cascade type heat pump air-heater is the air-source type as shown in Figure 2, comprises the first casing 10, low temperature stage compressor 210, low temperature level evaporimeter 230, first throttle element 250, high temperature stage compressor 220, high temperature level evaporimeter 240 and second section fluid element 260.The first casing 10 is provided with air inlet and air outlet, and the first casing 10 is interior along on the direction of air inlet sensing air outlet, being disposed with low temperature level condenser 101 and high temperature level condenser 102.Low temperature level condenser 101, first throttle element 250, low temperature level evaporimeter 230 and low temperature stage compressor 210 are installed successively and are connected to form closed circulation by pipeline.High temperature level condenser 102, second section fluid element 260, high temperature level evaporimeter 240 and high temperature stage compressor 220 are installed successively and are connected to form closed circulation by pipeline.Also be provided with condensation side blower fan 103 in the first casing 10.
Wherein, the cascade type heat pump air-heater also comprises the second casing 20, low temperature stage compressor 210, low temperature level evaporimeter 230, high temperature stage compressor 220 and high temperature level evaporimeter 240 all are arranged in the second casing 20, low temperature level evaporimeter 230 is mutually installed and is connected by pipeline with low temperature stage compressor 210, and high temperature stage compressor 220 is mutually installed and is connected by pipeline with high temperature level evaporimeter 240.Low temperature stage compressor 210 is provided with the first cross valve 270 with low temperature level evaporimeter 230 places of being connected, and high temperature stage compressor 220 is provided with the second cross valve 280 with high temperature level evaporimeter 240 places of being connected.The second casing 20 is provided with evaporation exhausting window, in evaporation exhausting window, evaporation side blower fan 290 is set.
The cascade type heat pump air-heater also includes the condensation unit be applied to wherein, comprise aforesaid the first casing 10, be provided with aforesaid air inlet and air outlet in the first casing 10, along on the direction of air inlet sensing air outlet, being disposed with low temperature level condenser 101 and high temperature level condenser 102.The condensation unit also comprises condensation side blower fan 103.
The utility model embodiment bis-except have with the same advantage of the utility model embodiment mono-, also have the following advantages:
1, the second casing 20 is provided with evaporation exhausting window, in evaporation exhausting window, evaporation side blower fan 290 is set.Evaporation side blower fan 290 is set, can effectively improves the low temperature level evaporimeter 230 that is positioned at the second casing 20 and the heat exchange efficiency of high temperature level evaporimeter 240.
2, low temperature stage compressor 210 is provided with the first cross valve 270 with low temperature level evaporimeter 230 places of being connected, and high temperature stage compressor 220 is provided with the second cross valve 280 with high temperature level evaporimeter 240 places of being connected.Cross valve is set, but the flow direction of heat exchanging working medium is changed.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims (7)

1. a cascade type heat pump air-heater, it is characterized in that, comprise the first casing, low temperature stage compressor, low temperature level evaporimeter, first throttle element, high temperature stage compressor, high temperature level evaporimeter and second section fluid element, described the first casing is provided with air inlet and air outlet, in described the first casing, along on the direction of air inlet sensing air outlet, being disposed with low temperature level condenser and high temperature level condenser, described low temperature level condenser, first throttle element, low temperature level evaporimeter and low temperature stage compressor are installed successively and are connected to form closed circulation by pipeline; Described high temperature level condenser, second section fluid element, high temperature level evaporimeter and high temperature stage compressor are installed successively and are connected to form closed circulation by pipeline.
2. cascade type heat pump air-heater according to claim 1, it is characterized in that, also comprise the second casing, described low temperature stage compressor, low temperature level evaporimeter, high temperature stage compressor and high temperature level evaporimeter all are arranged in described the second casing, described low temperature level evaporimeter is mutually installed and is connected by pipeline with described low temperature stage compressor, and described high temperature stage compressor is mutually installed and is connected by pipeline with described high temperature level evaporimeter.
3. cascade type heat pump air-heater according to claim 2, is characterized in that, described the second casing is provided with evaporation exhausting window, in described evaporation exhausting window, the evaporation side blower fan is set.
4. cascade type heat pump air-heater according to claim 1, is characterized in that, in described the first casing, also is provided with the condensation side blower fan.
5. according to the described cascade type heat pump air-heater of claim 1 to 4 any one, it is characterized in that, described low temperature stage compressor and the described low temperature level evaporimeter place of being connected are provided with the first cross valve, and described high temperature level compression mobile phone and the described high temperature level evaporimeter place of being connected are provided with the second cross valve.
6. a condensation unit, it is characterized in that, comprise described the first casing of aforementioned any one, be provided with the described air inlet of aforementioned any one and air outlet in described the first casing, along on the direction of described air inlet sensing air outlet, being disposed with low temperature level condenser and high temperature level condenser.
7. condensation unit according to claim 6, is characterized in that, also comprises the condensation side blower fan.
CN 201220547223 2012-10-23 2012-10-23 Cascade heat pump air heater and condensing unit applied to same Expired - Fee Related CN202955906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220547223 CN202955906U (en) 2012-10-23 2012-10-23 Cascade heat pump air heater and condensing unit applied to same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220547223 CN202955906U (en) 2012-10-23 2012-10-23 Cascade heat pump air heater and condensing unit applied to same

Publications (1)

Publication Number Publication Date
CN202955906U true CN202955906U (en) 2013-05-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104132475A (en) * 2014-08-06 2014-11-05 美的集团股份有限公司 Air conditioning system
CN104896719A (en) * 2015-05-19 2015-09-09 合肥天鹅制冷科技有限公司 Compact low-consumption air-cooled condenser structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104132475A (en) * 2014-08-06 2014-11-05 美的集团股份有限公司 Air conditioning system
CN104896719A (en) * 2015-05-19 2015-09-09 合肥天鹅制冷科技有限公司 Compact low-consumption air-cooled condenser structure

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160203

Address after: 510935, Guangdong, Guangzhou province Conghua suburban street new village village Avenue East (not numbered) Workshop

Patentee after: Guangzhou Keyu Energy Technology Co., Ltd.

Address before: 510935 Guangdong city of Guangzhou province Conghua Ao town Qigan village south of the Five Ridges 106 National Highway

Patentee before: Su Yugui

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130529

Termination date: 20171023