CN202253992U - Heat recovery constant humidity fresh air unit of heat pump - Google Patents

Heat recovery constant humidity fresh air unit of heat pump Download PDF

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Publication number
CN202253992U
CN202253992U CN 201120248837 CN201120248837U CN202253992U CN 202253992 U CN202253992 U CN 202253992U CN 201120248837 CN201120248837 CN 201120248837 CN 201120248837 U CN201120248837 U CN 201120248837U CN 202253992 U CN202253992 U CN 202253992U
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CN
China
Prior art keywords
air
heat
condenser
heat pump
indoor
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CN 201120248837
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Chinese (zh)
Inventor
张淑勇
孙生根
李明娜
晏磊
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上海克络蒂新能源科技有限公司
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Priority to CN 201120248837 priority Critical patent/CN202253992U/en
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    • 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]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • Y02B30/563

Abstract

The utility model relates to a structure of a constant humidity fresh air unit, particularly to a heat recovery constant humidity fresh air unit of a heat pump, wherein the interior of a rectangular unit box body (1) is divided into left and right sides or upper and lower sides with an interval and a baffle plate arranged therebetween; on the side of a return air passage (A) and an exhaust air passage (B), air is supplied by a return air fan (3) from an indoor return air opening (2), and a compressor (4) is connected with a condenser (6) and communicated with an air exhaust outlet (7); on the side of a fresh air passage (C) and an air supply passage (D), air is supplied from an outdoor fresh air opening (8), one end of a condensate pump (14) is connected with the condenser (6) at the other side, the other end is inwardly and sequentially connected with a surface cooler (9), an evaporator (10) and a second condenser (11), and an air supply fan (12) is inwardly arranged and communicated with the indoor through an air supply opening (13); and an air volume automatic regulating valve (5) is arranged on the baffle plate. The heat recovery constant humidity fresh air unit of the heat pump is applicable to the temperature and humidity independent control air conditioning systems, can lower temperature to dehumidify, increase temperature to humidify and filter to remove dust, avoids dew condensation on the radiation refrigeration surface layer, and is healthy and energy-saving.

Description

The wet new blower fan group of a kind of heat pump recuperation of heat weighing apparatus

Technical field

The utility model relates to a kind of structure of the wet new blower fan group that weighs, and particularly relates to a kind of wet new blower fan group of weighing apparatus that combines the heat pump heat recovery technology.

Technical background

Radiant type air conditioning terminal system is according to a kind of air-conditioning end system form of bionics principle in the nineteen seventies utility model.The main feature of this system has: high-comfort, quiet, do not have condense water disk, there is not the bacteria breed source; Stronger self-regulation balanced capacity; Do not have blowing feeling etc., help creating healthy indoor environment.

In the humiture independence control air conditioner system, adopt two to overlap independently that system controls and regulate indoor humidity and temperature respectively, thereby avoided the energy waste that the humiture Combined Treatment is brought in the conventional system and the reduction of air quality; Regulate humidity by new wind, the terminal temperature of regulating of sensible heat can satisfy the requirement that the room heat moisture ratio constantly changes, and has avoided the too high or too low phenomenon of indoor temperature and humidity.The main feature of this system has: high-comfort, quiet, do not have condense water disk, there is not the bacteria breed source; Stronger self-regulation balanced capacity; Do not have blowing feeling etc., help creating healthy indoor environment.The air conditioning mode of temperature and humidity independent process is being represented the developing direction of air-conditioning technical.

Because there is the problem of dewfall in radiation cooling, so the necessary VMC that is equipped with of radiant type air conditioning terminal system requirements building, humidity load in the decontamination chamber is improved air quality.Solution dehumidification is a working media with the solution with moisture pick-up properties, directly contacts with air through solution, thereby realizes the processing procedure to the dehumidifying (or humidification) of air.Liquid desiccant air conditioning can adopt low-temperature heat source to drive, and the existence and the solution on wet surface do not have filtration, bactericidal action again in solution dehumidifying air-conditioning system simultaneously.But solution dehumidification also exists, and cost is too high, unit is too huge, some solution has shortcomings such as corrosivity, has restricted its development.

The air-cooled new blower fan group of configuration can effectively be removed indoor humidity load separately, but it is low to exist refrigerating efficiency, and energy consumption is too high, and supply air temperature difference is big.If the increase electric heater section then can increase energy consumption again.

Tradition fresh air dehumidification unit working mechanism is following: new wind gets into unit; New wind is through the preliminary cool-down dehumidification of heat exchanger; New wind is through the cold degree of depth cool-down dehumidification of external low-temperature receiver table; New wind is warming up to the human comfort temperature through electrical heating or other thermals source; New wind is delivered to indoor; Indoor return air is discharged outdoor through heat exchanger.Like this structure exists that the heat pump heat recovery efficiency is low, energy waste is big, condensed water reclaims the evaporative cooling weak effect, effect on moisture extraction is poor, systematic energy efficiency ratio is lower than 7.0.Therefore, be badly in need of in the market and can come out to the wet new blower fan group of heat pump recuperation of heat weighing apparatus that addresses the aforementioned drawbacks.

Summary of the invention

The utility model purpose: the utility model is in order to solve present deficiency in prior art aspect the new wind processing; The wet new blower fan group of heat pump recuperation of heat weighing apparatus of a kind of efficient energy-saving, comfort level height, health and compact conformation is provided; The utility model can be applied to capillary radiation formula air conditioning terminal system, also can be widely used in being provided with separately the place that new wind is handled.

Technical scheme: the described heat pump recuperation of heat of the utility model weighing apparatus wet new blower fan group its objective is such realization:

The wet new blower fan group of a kind of heat pump recuperation of heat weighing apparatus; The unit casing that comprises rectangle; It is characterized in that: be divided into the left and right sides or both sides up and down in the unit casing; To outdoor return air channel and the air exhaust passage of being provided with, opposite side, is provided with between the both sides at interval and dividing plate to indoor new wind passage and the air-supply passage of being provided with from outdoor one side from indoor;

In return air channel and air exhaust passage one side, to blow by return fan from indoor return air inlet, compressor connects condenser, leads to exhaust outlet;

In new wind passage and air-supply passage one side, from outdoor fresh wind port inward, condensate pump one end is connected with the condenser of opposite side, and an end is connected with surface cooler, evaporimeter and second condenser inwards successively, and breeze fan is set inwards, leads to indoor through air outlet;

On dividing plate, be positioned at condenser and the condensate pump adjacent position is provided with the air quantity automatic regulating valve.

As optimization: said unit casing adopts the fiberglass material to process.

As optimization: in the formation of said new blower fan group, add dust removal by filtration, purification and/or humidification assembly.

As optimization: be equipped with volume damper at said return air inlet, exhaust outlet, fresh wind port and air outlet.

As optimization: said surface cooler connects low-temperature cold water.

The operation method of the wet new blower fan group of a kind of heat pump recuperation of heat weighing apparatus:

Said surface cooler utilizes chilled water to bear the new wind load of 50%-60%;

Said evaporimeter utilizes low-temperature coil that new wind is carried out freeze drying:

Said fresh wind port is provided with automatic volume damper, with the acting in conjunction of air quantity automatic regulating valve, according to return air humiture self regulating valve door aperture, controls the ratio of new wind and return air.

Said condenser is positioned at air exhaust passage, utilizes return air to cool off, and said second condenser is positioned at air-supply passage, air-supply is reheated to set the human comfort leaving air temp;

Said compressor is controlled the condensing pressure of second condenser automatically according to the demand of the heat of blowing again, and distributes the refrigerant flow of the condenser and second condenser;

Said condensed water is delivered to condenser evaporative cooling through water pump.

As optimization: its surface cooler utilizes chilled water to bear the new wind load of 50%-60%, but does not bear humidity load.

As optimization: its evaporimeter utilizes low-temperature coil that new wind is carried out freeze drying, makes the humidity of air satisfy indoor requirement fully.

As optimization: its fresh wind port is provided with automatic volume damper, and with the acting in conjunction of air quantity automatic regulating valve, according to the temperature and humidity of outdoor air, self regulating valve door aperture is controlled the ratio of new wind and return air.

As optimization: its condenser is positioned at air exhaust passage, and second condenser is positioned at air-supply passage; Condenser utilizes return air to cool off, and improves refrigerating efficiency, and second condenser is reheated to the setting leaving air temp to air-supply, avoid wind pushing temperature low excessively cause uncomfortable.

As optimization: its compressor module is according to the demand of the heat of blowing the again condensing pressure of control second condenser automatically, and the refrigerant flow of the reasonable distribution condenser and second condenser.

As optimization: its unit casing adopts fiberglass material to process, and is good and cheap, satisfies instructions for use.

As optimization: in the composition module of said new blower fan group, add dust removal by filtration, purification or humidification assembly.

As optimization: its return air inlet, exhaust outlet, air outlet are equipped with manual volume damper.Condensed water is delivered to condenser evaporative cooling through water pump.

The operation principle of this device is: outdoor hot humid air gets into the wet new blower fan group of heat pump recuperation of heat weighing apparatus; Hot humid air removes through external refrigerated condensation water meter cooler (higher temperatures) cooling; Dehumidify through the straight swollen evaporimeter of cold-producing medium (low temperature) degree of depth; Hot again through condenser, temperature rises to 15-18 ℃ of human comfort temperature; New wind is sent into indoor; Indoor return air is delivered to casing; Indoor low temperature return air cooling evaporative condenser; Water pump causes evaporative condenser with cryogenic condensation water, evaporative cooling; High-temp waste gas is discharged outdoor.

Beneficial effect: the wet new blower fan group of the utility model heat pump recuperation of heat weighing apparatus and the traditional prior art new blower fan group that dehumidifies is compared, and has the following advantages:

1. the heat pump heat recovery efficiency is high

Utilize the indoor return air of low temperature and low humidity to do the cooling air of evaporative condenser, the energy loss of avoiding replacement aeration to cause, temperature of outgoing air reaches 40 ℃, and heat recovery efficiency is than the board-like or high 60-80% of runner heat regenerator of tradition.

Condensation again thermal gauge keep away energy waste

Utilize condensation heat that new wind is reheated to the human comfort temperature, evade the loss of electrical heating homenergic.

3. condensed water reclaims evaporative cooling

Cause condenser evaporative cooling with the condensed water that fresh air dehumidification produces summer, reclaimed the cold of condensed water, makes cooling effect better.

4. degree of depth dehumidifying is guaranteed in the straight swollen evaporation dehumidifying of cold-producing medium

The new blower fan group of tradition dehumidifying is often introduced the chilled water of handpiece Water Chilling Units, temperature drift, and cooling and dehumidifying is not enough, and new blower fan group contains wet too high, causes the building condensation, and the cold-producing medium low-temperature evaporation has been evaded this problem.

5. systematic energy efficiency ratio is up to 7.0-8.0

Owing to combine the heat pump recuperation of heat, evaporation cooling technique is reclaimed in condensation heat, condensed water again, makes air-conditioning system Energy Efficiency Ratio that wet new blower fan group of heat pump recuperation of heat weighing apparatus and source pump form up to 7.0-8.0, is 3-4 times of traditional fresh air conditioner system (2.0-3.0).

6. compact conformation, volume is little

Because unit has been save big volume heat exchanger, adopt unique box frame version, compact conformation is firm, has excellent mechanical intensity, and floor space is little.

The utility model utilizes the hot again skill of heat pump heat recovery technology, condensation; The wet new blower fan group of heat pump recuperation of heat weighing apparatus of a kind of efficient energy-saving, comfort level height, health and compact conformation is provided; Be exactly reasonable cascade utilization energy specifically, obtained high accuracy, stable constant humidity control with less cost.

Description of drawings

Fig. 1 is the structural representation of the wet embodiment of new blower fan group of the utility model heat pump recuperation of heat weighing apparatus.

Fig. 2 is the structural representation of prior art fresh air dehumidification unit.

Fig. 3 represents the air-conditioning technical developing direction, the mechanism figure that air-conditioning equipment, end equipment and indoor environmental condition control dispose each other.

Among the figure, the 1st, unit casing, the 2nd, return air inlet, the 3rd, return air fan, the 4th, compressor, the 5th, air quantity automatic regulating valve, the 6th, condenser, the 7th, exhaust outlet, the 8th, fresh wind port, the 9th, surface cooler, the 10th, evaporimeter, 11 are second condensers, the 12nd, breeze fan, the 13rd, air outlet, the 14th, condensate pump, A are that return air channel, B are that air exhaust passage, C are that new wind passage, D are air-supply passages.

The specific embodiment

Shown in accompanying drawing, the wet new blower fan group of heat pump recuperation of heat weighing apparatus comprises unit casing 1, return air channel A, air exhaust passage B, new wind channel C, air-supply passage D, surface cooler 9, refrigeration system.Described refrigeration system comprises compressor module 4, evaporimeter 10 and condenser 6 and second condenser 11.Said return air channel A is provided with return air fan 3, return air inlet 2, and air exhaust passage B is provided with exhaust outlet 7, and new wind channel C is provided with fresh wind port 8, and air-supply passage D is provided with breeze fan 12, air outlet 13.

Said surface cooler 9 utilizes chilled water to bear most new wind load, but does not bear humidity load.

Said evaporimeter 10 utilizes low-temperature coil that new wind is carried out freeze drying, makes the humidity of air satisfy indoor requirement fully.

Said fresh wind port 8 is provided with automatic volume damper, and with 5 actings in conjunction of air quantity automatic regulating valve, according to the temperature and humidity of outdoor air, self regulating valve door aperture is controlled the ratio of new wind and return air.When outdoor enthalpy raise, the automatic volume damper of fresh wind port 8 turned down, but guaranteed the minimum fresh air requirmente greater than indoor needs, and volume damper 5 is opened greatly, guaranteed more return air and new wind blending.When outdoor enthalpy reduced, the automatic volume damper of fresh wind port 8 was opened greatly, and more new wind is provided, and can reduce the consumption of the energy.

Said condenser 6 is positioned at air exhaust passage B, and second condenser 11 is positioned at air-supply passage D; Condenser 6 utilizes return air to cool off, and improves refrigerating efficiency, and 11 pairs of air-supplies of second condenser are reheated to the setting leaving air temp, avoid wind pushing temperature low excessively cause uncomfortable.

Said compressor module 4 is according to the condensing pressure of the automatic control of demand second condenser 11 of the heat of blowing again, and the refrigerant flow of the reasonable distribution condenser 6 and second condenser 11.

Said unit casing 1 adopts the fiberglass material to process.

Said its return air channel A, air exhaust passage B, new wind channel C, air-supply passage D, surface cooler 9, refrigeration system are designed to module separately, can free amalgamation add functional sections such as purification, humidification.

Said its return air inlet 2, exhaust outlet 7, air outlet 13 are equipped with manual volume damper.Described air flow process is described below: return air is behind return air fan 3, and a part of cooler condenser 6 is discharged outdoor then; A part is mixed with new wind through automatic flow control valve 5, then through the surface cooler cooling, through evaporimeter freeze drying; Air themperature at this time is lower; Cause that personnel are uncomfortable if directly send into indoor meeting, the effect of ensuing second condenser 11 is exactly that air is carried out heat again, accurately controls its temperature.So just obtained accurate air-supply Temperature and Humidity Control with less energy cost.

Claims (5)

1. the wet new blower fan group of heat pump recuperation of heat weighing apparatus; The unit casing (1) that comprises rectangle; It is characterized in that: be divided into the left and right sides or both sides up and down in the unit casing (1); To outdoor return air channel (A) and the air exhaust passage (B) of being provided with, opposite side, is provided with between the both sides at interval and dividing plate to indoor new wind passage (C) and the air-supply passage (D) of being provided with from outdoor one side from indoor;
In a return air channel (A) and air exhaust passage (B) side, by return fan (3) air-supply, compressor (4) connects condenser (6) from indoor return air inlet (2), leads to exhaust outlet (7);
In a new wind passage (C) and air-supply passage (D) side; From outdoor fresh wind port (8) inward; Condensate pump (14) one ends are connected with the condenser (6) of opposite side; One end is connected with surface cooler (9), evaporimeter (10) and second condenser (11) inwards successively, and breeze fan (12) is set inwards, leads to indoor through air outlet (13);
On dividing plate, be positioned at condenser (6) and condensate pump (14) adjacent position is provided with air quantity automatic regulating valve (5).
2. according to the wet new blower fan group of the said heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that said unit casing (1) adopts the fiberglass material to process.
3. according to the wet new blower fan group of the said heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that in the formation of said new blower fan group, adding dust removal by filtration, purification and/or humidification assembly.
4. according to the wet new blower fan group of the said heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that being equipped with volume damper at said return air inlet (2), exhaust outlet (7), fresh wind port (8) and air outlet (13).
5. according to the wet new blower fan group of the said heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that said surface cooler (9) connects low-temperature cold water.
CN 201120248837 2011-07-14 2011-07-14 Heat recovery constant humidity fresh air unit of heat pump CN202253992U (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269451A (en) * 2011-08-18 2011-12-07 上海克络蒂新能源科技有限公司 Heat pump heat recycling humidity balance fresh air unit and running method thereof
CN102927632A (en) * 2012-11-22 2013-02-13 苏州启山电器技术开发事务所(普通合伙) Indoor air purifying system
CN103017262A (en) * 2012-11-28 2013-04-03 江苏高科应用科学研究所有限公司 Heat recovery fresh air dehumidifier
CN103836725A (en) * 2013-11-29 2014-06-04 江苏国莱特空调设备有限公司 Sensible heat recovery type fresh air humidity control unit
CN104061630A (en) * 2014-07-07 2014-09-24 叶立英 Unit type fresh air processing machine
CN105276770A (en) * 2015-11-19 2016-01-27 刘宏伟 Movable gate type intelligent controller system for indoor and outdoor air circulation
CN107166531A (en) * 2017-06-08 2017-09-15 广东绿岛风室内空气系统科技有限公司 A kind of fresh air interchanger with dehumidification function
CN107192105A (en) * 2017-05-24 2017-09-22 广东芬尼克兹节能设备有限公司 A kind of source pump air-valve inter-linked controlling method and system
EP3196464A4 (en) * 2014-11-10 2017-11-08 Mitsubishi Heavy Industries Compressor Corporation Compressor module

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269451A (en) * 2011-08-18 2011-12-07 上海克络蒂新能源科技有限公司 Heat pump heat recycling humidity balance fresh air unit and running method thereof
CN102927632A (en) * 2012-11-22 2013-02-13 苏州启山电器技术开发事务所(普通合伙) Indoor air purifying system
CN103017262A (en) * 2012-11-28 2013-04-03 江苏高科应用科学研究所有限公司 Heat recovery fresh air dehumidifier
CN103017262B (en) * 2012-11-28 2015-06-10 江苏高科应用科学研究所有限公司 Heat recovery fresh air dehumidifier
CN103836725A (en) * 2013-11-29 2014-06-04 江苏国莱特空调设备有限公司 Sensible heat recovery type fresh air humidity control unit
CN103836725B (en) * 2013-11-29 2017-02-15 江苏国莱特空调设备有限公司 sensible heat recovery type fresh air humidity control unit
CN104061630A (en) * 2014-07-07 2014-09-24 叶立英 Unit type fresh air processing machine
CN104061630B (en) * 2014-07-07 2016-08-24 叶立英 Modular fresh air processor
EP3196464A4 (en) * 2014-11-10 2017-11-08 Mitsubishi Heavy Industries Compressor Corporation Compressor module
US10247453B2 (en) 2014-11-10 2019-04-02 Mitsubishi Heavy Industries Compressor Corporation Compressor module
CN105276770A (en) * 2015-11-19 2016-01-27 刘宏伟 Movable gate type intelligent controller system for indoor and outdoor air circulation
CN105276770B (en) * 2015-11-19 2017-10-13 刘宏伟 Mobile bar gate type indoor and outdoor gas circulation smart controller system
CN107192105A (en) * 2017-05-24 2017-09-22 广东芬尼克兹节能设备有限公司 A kind of source pump air-valve inter-linked controlling method and system
CN107166531A (en) * 2017-06-08 2017-09-15 广东绿岛风室内空气系统科技有限公司 A kind of fresh air interchanger with dehumidification function

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Granted publication date: 20120530

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