CN202973799U - Bypass defrosting type baking humidity-discharge heat pump unit - Google Patents

Bypass defrosting type baking humidity-discharge heat pump unit Download PDF

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Publication number
CN202973799U
CN202973799U CN 201220676991 CN201220676991U CN202973799U CN 202973799 U CN202973799 U CN 202973799U CN 201220676991 CN201220676991 CN 201220676991 CN 201220676991 U CN201220676991 U CN 201220676991U CN 202973799 U CN202973799 U CN 202973799U
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China
Prior art keywords
unit
condenser
source pump
evaporimeter
compressor
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CN 201220676991
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Chinese (zh)
Inventor
林天德
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Jiang Hua nine Heng new energy Co., Ltd.
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GUANGZHOU JOHO NEW ENERGY CO Ltd
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Abstract

The utility model discloses a bypass defrosting type baking humidity-discharge heat pump unit. The bypass defrosting type baking humidity-discharge heat pump unit comprises an inner unit and an outer unit, wherein the inner unit comprises an outer shell, a condenser and a first fan, a fresh air opening and a humidity discharge opening are formed in the outer shell of the inner unit, the outer unit comprises a compressor, a throttling device, an evaporator and a second fan, and the compressor, the condenser, the throttling device and the evaporator are communicated through pipelines in sequence to form an end-to-end circulating system. The condenser sends hot air to inside a baking room through the first fan, the evaporator sends cool air out of the baking room through the second fan, the throttling device is provided with an electromagnetic valve in parallel, and the inner unit and the outer unit are both connected with an external power source. The bypass defrosting type baking humidity-discharge heat pump unit has the advantages that the structure is simple, heat in the air of the low-temperature environment is directly transferred into hot air in the high-temperature environment by using a small amount of electric quantity, the bypass defrosting type baking humidity-discharge heat pump unit is environment-friendly and safe, and saves energy and expenses. Due to the fact that the electromagnetic valve is connected with the throttling device in parallel, a defrosting function is directly achieved.

Description

Bypass defrost type oven dry hydrofuge source pump
Technical field
The utility model relates to art of heat pumps, relates in particular to a kind of bypass defrost type oven dry hydrofuge source pump.
Background technology
Existing source pump can connect frost in running in the winter time, can the phase transformation of working medium in source pump be exerted an influence like this, and the formation of frost also can make other equipment receive infringement.
Existing source pump Defrost technology is to adopt the hot gas defrosting, namely defrost by the refrigeration system reverse circulation, this Defrost mode of attacking not only can affect the normal operation of equipment, also can cause having in whole source pump environment for use the phenomenon of instantaneous temperature reduction to produce, and the whole system temperature is non-constant.
Summary of the invention
The utility model provides a kind of bypass defrost type oven dry hydrofuge source pump, good energy-conserving effect, and defrosting effect is good, and system temperature is constant, and economic and practical is strong.
In order to reach above technique effect, the utility model provides a kind of bypass defrost type oven dry hydrofuge source pump, comprises interior unit and outer unit;
Described interior unit comprises shell, condenser and the first blower fan, and described shell is provided with fresh wind port and moisture exhausting port;
Described outer unit comprises compressor, throttling arrangement, evaporimeter and the second blower fan;
Described compressor, condenser, throttling arrangement and evaporimeter form the end to end circulatory system by pipeline successively;
The inside of roasting plant delivered to hot-air by described condenser through described fresh wind port by described the first blower fan;
The outside of roasting plant delivered to cold air by described evaporimeter through described moisture exhausting port by described the second blower fan;
Be provided with magnetic valve in the described circulatory system, described magnetic valve and described throttling arrangement are arranged in parallel;
Described interior unit and outer unit all are connected with external power supply.
Preferably, described evaporimeter is pipe type heat exchanger.
Preferably, described condenser is pipe type heat exchanger.
Preferably, described throttling arrangement is heating power expansion valve or electric expansion valve.
Preferably, described magnetic valve is the electromagnetism two-port valve.
In order to reach better technique effect, described fresh wind port is provided with the first electrically operated valve outward, and described moisture exhausting port is provided with the second electrically operated valve outward.
In order to reach better technique effect, described outer unit also comprises reservoir, filter and vapour liquid separator, described reservoir and filter are successively set between described condenser and throttling arrangement, and described vapour liquid separator is arranged between described evaporimeter and described compressor.
Use the technical solution of the utility model, have following beneficial effect: (1) oven dry hydrofuge source pump is simple in structure, easily install, and only need directly will be in the hot-air of the airborne transfer of heat of low temperature environment under the hot environment by a small amount of electric weight, environmental protection, safe, pollution-free, energy savings, cost saving; (2) described throttling arrangement parallel connection is provided with magnetic valve, directly realizes defrost function, keeps the stable of whole system; (3) adopt pipe type heat exchanger as evaporimeter and condenser, effective; (4) throttling arrangement adopts choke valve, and described choke valve is heating power expansion valve or electric expansion valve, easily controls; (5) be provided with successively reservoir and filter between heat exchanger and choke valve, be provided with vapour liquid separator between described heat sink and described compressor, oven dry hydrofuge heat pump set system is more stable.
Description of drawings
Fig. 1 is the planar structure schematic diagram of the utility model bypass defrost type oven dry hydrofuge source pump;
Fig. 2 is the schematic diagram of Fig. 1 bypass defrost type oven dry hydrofuge source pump.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model bypass defrost type oven dry hydrofuge source pump comprises interior unit 1 and outer unit 2.
Described interior unit 1 comprises shell 11, condenser 17 and the first blower fan 14, and described shell 11 is provided with fresh wind port 12 and moisture exhausting port 13.
Described outer unit 2 comprises compressor 16, throttling arrangement 18, magnetic valve 20, reservoir 21, filter 22, evaporimeter 19, vapour liquid separator 23 and the second blower fan 15;
As shown in Figure 2, described compressor 16, condenser 17, reservoir 21, filter 22, throttling arrangement 18 and evaporimeter 19 form the end to end circulatory system by pipeline communication successively.
The inside of roasting plant delivered to hot-air by described heat exchanger 17 through described fresh wind port 12 by described the first blower fan 14.
Described heat sink 19 is delivered to cold air the outside of roasting plant through described moisture exhausting port 13 by described the second blower fan 15.
Described evaporimeter 19 is pipe type heat exchanger, and described condenser 17 is pipe type heat exchanger.
Described throttling arrangement 18 is heating power expansion valve or electric expansion valve.
Be provided with magnetic valve 20 in the described circulatory system, described magnetic valve 20 is arranged in parallel with described throttling arrangement 18, and described magnetic valve 20 adopts the electromagnetism two-port valve.
Described interior unit 1 and outer unit 2 all are connected with external power supply.
The operation principle of the utility model bypass defrost type oven dry hydrofuge source pump is as follows: (1) principle of heating: cold-producing medium working medium becomes the low-temp low-pressure gas compression gas of HTHP under the piston action of compressor; High temperature and high pressure gas is cooled into liquid after entering condenser, thereby emits large calorimetric, and cold air absorbs its heat and temperature constantly rises and become high-temperature hot air; Cold-producing medium working medium is by after condenser, enter again fluid reservoir, filter, choke valve, then evaporate in evaporimeter, heat in absorbing environmental enters compressor at last, so iterative cycles, cold-producing medium working medium absorbs the heat of air in evaporimeter, under the mechanism of compressor, emit heat from condenser, change the heat of hot blast into; Whole source pump is used contrary Carnot cycle principle, doing work by heat pump makes heating agent (refrigerant) produce physical phase transition (liquid state-gaseous state-liquid state), utilize the characteristic of uninterruptedly absorbing heat in the reciprocation cycle phase transition process with heat release, draw the airborne heat of low-temperature heat source by heat sink (evaporimeter), by dedicated heat exchanger (condenser) constantly heat release in the cold air, make cold air be warmed up to gradually high-temperature hot air; (2) defrosting principle: when source pump need to defrost, system changes cooling cycle system into by heating recycle system, choke valve magnetic valve in parallel, can be so that the very fast build-up pressure in choke valve both sides be poor, thereby make cold-producing medium can pass through rapidly choke valve, reach defrosting effect, and the cold-producing medium of energy balance sysmte, thereby the temperature constant of keeping system.
Use the utility model bypass defrost type oven dry hydrofuge source pump, have following effect: (1) oven dry hydrofuge source pump is simple in structure, easily install, and only need directly will be in the hot-air of the airborne transfer of heat of low temperature environment under the hot environment by a small amount of electric weight, environmental protection, safe, pollution-free, energy savings, cost saving; (2) described throttling arrangement parallel connection is provided with magnetic valve, directly realizes defrost function, keeps the temperature constant of whole system; (3) adopt pipe type heat exchanger as evaporimeter and condenser, effective; (4) throttling arrangement adopts choke valve, and described choke valve is heating power expansion valve or electric expansion valve, easily controls; (5) be provided with successively reservoir and filter between heat exchanger and choke valve, be provided with vapour liquid separator between described heat sink and described compressor, oven dry hydrofuge heat pump set system is more stable.
In addition, can also add cross valve 24 in source pump, be used for changing the operation of compressor heat pump, thereby make the utility model oven dry hydrofuge source pump be used in freezer, the temperature of freezer is cried constant in 0 ℃ of left and right, be used for storage fruit or other agricultural byproducts, thereby enlarge its range of application.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim still belongs to the scope that the utility model is contained.

Claims (7)

1. a bypass defrost type oven dry hydrofuge source pump, is characterized in that: comprise interior unit (1) and outer unit (2);
Described interior unit (1) comprises shell (11), condenser (17) and the first blower fan (14), and described shell (11) is provided with fresh wind port (12) and moisture exhausting port (13);
Described outer unit (2) comprises compressor (16), throttling arrangement (18), evaporimeter (19) and the second blower fan (15);
Described compressor (16), condenser (17), throttling arrangement (18) and evaporimeter (19) form the end to end circulatory system by pipeline communication successively;
The inside of roasting plant delivered to hot-air by described condenser (17) through described fresh wind port (12) by described the first blower fan (14);
The outside of roasting plant delivered to cold air by described evaporimeter (19) through described moisture exhausting port (13) by described the second blower fan (15);
Be provided with magnetic valve (20) in the described circulatory system, described magnetic valve (20) is arranged in parallel with described throttling arrangement (18);
Described interior unit (1) and outer unit (2) all are connected with external power supply.
2. bypass defrost type according to claim 1 is dried the hydrofuge source pump, and it is characterized in that: described evaporimeter (19) is pipe type heat exchanger.
3. bypass defrost type according to claim 1 is dried the hydrofuge source pump, and it is characterized in that: described condenser (17) is pipe type heat exchanger.
4. bypass defrost type oven dry hydrofuge source pump according to claim 1, is characterized in that: outer first electrically operated valve that is provided with of described fresh wind port (12), outer second electrically operated valve that is provided with of described moisture exhausting port (13).
5. bypass defrost type according to claim 1 is dried the hydrofuge source pump, and it is characterized in that: described throttling arrangement (18) is heating power expansion valve or electric expansion valve.
6. bypass defrost type according to claim 1 is dried the hydrofuge source pump, and it is characterized in that: described magnetic valve (20) is the electromagnetism two-port valve.
7. bypass defrost type according to claim 1 is dried the hydrofuge source pump, it is characterized in that: described outer unit (2) also comprises reservoir (21), filter (22) and vapour liquid separator (23), described reservoir (21) and filter (22) are successively set between described condenser (17) and throttling arrangement (18), and described vapour liquid separator (23) is arranged between described evaporimeter (19) and described compressor (16).
CN 201220676991 2012-12-10 2012-12-10 Bypass defrosting type baking humidity-discharge heat pump unit Active CN202973799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220676991 CN202973799U (en) 2012-12-10 2012-12-10 Bypass defrosting type baking humidity-discharge heat pump unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220676991 CN202973799U (en) 2012-12-10 2012-12-10 Bypass defrosting type baking humidity-discharge heat pump unit

Publications (1)

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CN202973799U true CN202973799U (en) 2013-06-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344556A (en) * 2013-08-10 2015-02-11 广州九恒新能源有限公司 Heat-pump-type agricultural product dryer
CN104848589A (en) * 2015-04-24 2015-08-19 河南佰衡节能技术有限公司 Interchangeable agricultural local product heat pump drying and refrigerating device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344556A (en) * 2013-08-10 2015-02-11 广州九恒新能源有限公司 Heat-pump-type agricultural product dryer
CN104848589A (en) * 2015-04-24 2015-08-19 河南佰衡节能技术有限公司 Interchangeable agricultural local product heat pump drying and refrigerating device
CN104848589B (en) * 2015-04-24 2017-03-15 河南佰衡节能科技股份有限公司 A kind of interchangeable Special Agriculture Product heat pump drying and cold storage plant

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Effective date of registration: 20170207

Address after: 425500 Yongzhou City, Hunan province Jiang Hua Yao Autonomous County Tuojiang Town Economic Development Zone Jiang Hua Xingye Road South

Patentee after: Jiang Hua nine Heng new energy Co., Ltd.

Address before: Panyu District Dalong street Guangzhou city Guangdong province 511400 Sha Sha Pu Chung Village Road No. four A

Patentee before: GUANGZHOU JOHO NEW ENERGY CO., LTD.