CN203432002U - Novel stepless temperature regulation double-cold-source fresh air handling unit - Google Patents
Novel stepless temperature regulation double-cold-source fresh air handling unit Download PDFInfo
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- CN203432002U CN203432002U CN201320512219.0U CN201320512219U CN203432002U CN 203432002 U CN203432002 U CN 203432002U CN 201320512219 U CN201320512219 U CN 201320512219U CN 203432002 U CN203432002 U CN 203432002U
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- water flow
- adjusting valve
- surface cooler
- cold
- flow adjusting
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Abstract
The utility model discloses a novel stepless temperature regulation double-cold-source fresh air handling unit. The novel stepless temperature regulation double-cold-source fresh air handling unit comprises a fresh air handling unit shell which is provided with an air inlet and an air outlet, a fan, a front class surface cooling dehumidification system, a middle direct expansion dehumidification system and a rear class surface cooling temperature regulation system. The front class surface cooling dehumidification system comprises a dehumidification surface air cooler and a front class water flow rate control valve. The direct expansion dehumidification system is a single-cooling system and comprises an evaporator. The rear class surface cooling temperature regulation system comprises a temperature regulation surface air cooler and a rear class water flow rate control valve. The dehumidification surface air cooler, the evaporator, the temperature regulation surface air cooler and the fan are sequentially arranged inside the fresh air handling unit shell from the air inlet to the air outlet. According to the novel stepless temperature regulation double-cold-source fresh air handling unit, the system process is optimized, pipelines are concise, control is simple, precision is high, and system stability is good.
Description
Technical field
The utility model relates to a kind of pair of new blower fan group of low-temperature receiver, the two new blower fan groups of low-temperature receiver of specifically a kind of stepless temperature adjustment.
Background technology
The existing pair of new blower fan group of low-temperature receiver, the adjusting of leaving air temp is that the straight swollen dehumidification system that relies on unit to carry is realized mostly.Straight swollen dehumidification system has major and minor two condensers, main condenser discharge condensation heat, and secondary condenser recovery section condensation heat is used for heating the air of the high relative humidity of low temperature after refrigerated dehumidification, thereby realizes the adjusting of leaving air temp.
Major and minor condenser, by being connected in series, relies on two on-off type magnetic valves to carry out change working, a large amount of the results shows, and there is temperature adjustment blind zone in this kind of method for regulating temperature.
Major and minor condenser is by being connected in parallel, with a cold-producing medium threeway ratio adjusting valve, substitute original two on-off type change working magnetic valves, rely on control valve to control the refrigerant flow that enters secondary condenser, thus regulating outlet air temperature, and this kind of method for regulating temperature eliminated temperature adjustment blind zone, but a large amount of practical applications is found, threeway ratio adjusting valve is difficult to realize closes completely, has coolant leakage, causes regulating differential larger, precision is not high, and stability is bad.
This thermoregulating system carrying by straight swollen dehumidification system, system, with a plurality of refrigeration valve members, makes system pipeline comparatively complicated, and the precision that leaving air temp regulates is not high, and stability is bad.
Utility model content
The purpose of this utility model is the deficiency existing for prior art, provides that a kind of pipeline is comparatively simple, leaving air temp degree of regulation is high, the two new blower fan groups of low-temperature receiver of the stepless temperature adjustment of good stability.
For realizing above-mentioned utility model object, the technical solution adopted in the utility model is the two new blower fan groups of low-temperature receiver of a kind of stepless temperature adjustment, comprises the new wind machine unit shell, blower fan, the cold dehumidification system of prime table, the swollen dehumidification system of middle straight and the cold thermoregulating system of rear class table that are provided with air inlet and air outlet; The cold dehumidification system of described prime table comprises dehumidifying surface cooler and prime Water flow adjusting valve; Described straight swollen dehumidification system is single cooling system, comprises evaporimeter; The cold thermoregulating system of described rear class table comprises temperature adjustment surface cooler and rear class Water flow adjusting valve; Described dehumidifying surface cooler, evaporimeter, temperature adjustment surface cooler and blower fan are successively set in new wind machine unit shell from air inlet to air outlet.
As preferably, also comprise the feed pipe and the return pipe that are arranged on new blower fan group hull outside; Described feed pipe by prime Water flow adjusting valve be connected with dehumidifying surface cooler, described dehumidifying surface cooler passes through rear class Water flow adjusting valve and is connected with temperature adjustment surface cooler, described temperature adjustment surface cooler is connected with return pipe.
As preferably, described prime Water flow adjusting valve and rear class Water flow adjusting valve are water route triple valve.
As preferably, described return pipe is also connected with rear class Water flow adjusting valve with prime Water flow adjusting valve respectively.
The mode that the utility model adopts two dehumidifying surface coolers of the cold dehumidification system of low-temperature receiver prime table and the temperature adjustment surface cooler of the cold thermoregulating system of rear class table to be connected in series, the air that utilizes prime high temperature low-temperature receiver low temperature and high relative humidity after two low-temperature receiver degree of depth dehumidifying from the heat heating that absorbs new wind, passing ratio three-way control valve control rear class discharge realizes the step-less adjustment of leaving air temp between 16-20 ℃.The mode that this dehumidifying surface cooler and temperature adjustment surface cooler are connected in series is optimized machine set system flow process, and internal structure is more succinct, control is simple and leaving air temp control accuracy is high, and the stability of a system is good.
Beneficial effect: the utility model compared with prior art, has following beneficial effect:
(1) utilize the heat that prime high temperature low-temperature receiver absorbs from new wind to carry out heat again to air-out, realize the segmented application to low-temperature receiver, improve low-temperature receiver comprehensive energy efficiency;
(2) compare with controlling refrigerant flow, control discharge and come the control accuracy of regulating outlet air temperature to want high, stability will be got well;
(3) by being connected in series of forward and backward level surface cooler, straight swollen dehumidification system is simplified, and machine set system flow process is optimized, and pipeline is succinct, controls simple.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure, A is air inlet, and B is air outlet.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, the present embodiment is implemented take technical solutions of the utility model under prerequisite, should understand these embodiment and only for the utility model is described, be not used in restriction scope of the present utility model.
As shown in Figure 1, the two new blower fan groups of low-temperature receiver of a kind of stepless temperature adjustment, comprise the new wind machine unit shell 1, blower fan 2, the cold dehumidification system of prime table, the swollen dehumidification system of middle straight and the cold thermoregulating system of rear class table that are provided with air inlet and air outlet; The cold dehumidification system of described prime table comprises dehumidifying surface cooler 3 and prime Water flow adjusting valve 4; Described straight swollen dehumidification system is single cooling system, comprises evaporimeter 5; The cold thermoregulating system of described rear class table comprises temperature adjustment surface cooler 6 and rear class Water flow adjusting valve 7; Described dehumidifying surface cooler 3, evaporimeter 5, temperature adjustment surface cooler 6 and blower fan 2 are successively set in new wind machine unit shell 1 from air inlet to air outlet.
As preferably, also comprise the feed pipe 8 and the return pipe 9 that are arranged on new wind machine unit shell 1 outside; Described feed pipe 8 by prime Water flow adjusting valve 4 be connected with dehumidifying surface cooler 3, described dehumidifying surface cooler 3 passes through rear class Water flow adjusting valve 7 and is connected with temperature adjustment surface cooler 6, described temperature adjustment surface cooler 6 is connected with return pipe 9.
As preferably, described prime Water flow adjusting valve 4 and rear class Water flow adjusting valve 7 are water route triple valve.
As preferably, described return pipe 9 is also connected with rear class Water flow adjusting valve 7 with prime Water flow adjusting valve 4 respectively.
Dehumidify in the utility model surface cooler and temperature adjustment surface cooler adopts and is connected in series, and when regulating, cold water is provided by outside feed pipe, and backwater arrives outside return pipe.Feed pipe is divided into two branch roads, and the first branch road is to the water inlet end of dehumidifying surface cooler, and the second branch road is to return pipe; The water side of dehumidifying surface cooler is divided into two branch roads, and the first branch road is to the water inlet end of temperature adjustment surface cooler, and the second branch road is to return pipe; Return pipe is arrived in the water side of temperature adjustment surface cooler.
During the utility model work, when being greater than setting water capacity when air outlet water capacity, the preferential prime Water flow adjusting valve that regulates, constantly increase its aperture, when the aperture of prime Water flow adjusting valve reaches maximum, if air-supply water capacity is still greater than setting water capacity, now start straight swollen dehumidification system, the aperture of prime Water flow adjusting valve reduces to minimum simultaneously, if the water capacity of now blowing is still greater than setting water capacity, at this moment the aperture of prime Water flow adjusting valve constantly increases, until air-supply water capacity equals to set water capacity; When air outlet water capacity is less than setting water capacity, now preferentially reduce the aperture of prime Water flow adjusting valve, when its aperture reduces to minimum, and air-supply water capacity is still less than while setting water capacity, now straight swollen dehumidification system is out of service, the aperture of prime Water flow adjusting valve is reached to maximum, if the water capacity of now blowing is still less than setting water capacity simultaneously, keep and reduce the aperture of prime Water flow adjusting valve, until air-supply water capacity equals to set water capacity.
When air outlet temperature is greater than design temperature, regulate rear class Water flow adjusting valve, constantly reduce the aperture of rear class Water flow adjusting valve, until reach setting value.When leaving air temp is less than design temperature, constantly increase the aperture of rear class Water flow adjusting valve, until reach setting value.
Claims (4)
1. the two new blower fan groups of low-temperature receiver of stepless temperature adjustment, is characterized in that: comprise the new wind machine unit shell (1), blower fan (2), the cold dehumidification system of prime table, the swollen dehumidification system of middle straight and the cold thermoregulating system of rear class table that are provided with air inlet and air outlet; The cold dehumidification system of described prime table comprises dehumidifying surface cooler (3) and prime Water flow adjusting valve (4); Described straight swollen dehumidification system is single cooling system, comprises evaporimeter (5); The cold thermoregulating system of described rear class table comprises temperature adjustment surface cooler (6) and rear class Water flow adjusting valve (7); Described dehumidifying surface cooler (3), evaporimeter (5), temperature adjustment surface cooler (6) and blower fan (2) are successively set in new wind machine unit shell (1) from air inlet to air outlet.
2. the two new blower fan groups of low-temperature receiver of a kind of stepless temperature adjustment according to claim 1, is characterized in that: also comprise and be arranged on new wind machine unit shell (1) outside feed pipe (8) and return pipe (9); Described feed pipe (8) by prime Water flow adjusting valve (4) be connected with dehumidifying surface cooler (3), described dehumidifying surface cooler (3) passes through rear class Water flow adjusting valve (7) and is connected with temperature adjustment surface cooler (6), described temperature adjustment surface cooler (6) is connected with return pipe (9).
3. the two new blower fan groups of low-temperature receiver of a kind of stepless temperature adjustment according to claim 1, is characterized in that: described prime Water flow adjusting valve (4) and rear class Water flow adjusting valve (7) are water route triple valve.
4. the two new blower fan groups of low-temperature receiver of a kind of stepless temperature adjustment according to claim 2, is characterized in that: described return pipe (9) is also connected with rear class Water flow adjusting valve (7) with prime Water flow adjusting valve (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512219.0U CN203432002U (en) | 2013-08-21 | 2013-08-21 | Novel stepless temperature regulation double-cold-source fresh air handling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512219.0U CN203432002U (en) | 2013-08-21 | 2013-08-21 | Novel stepless temperature regulation double-cold-source fresh air handling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432002U true CN203432002U (en) | 2014-02-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512219.0U Expired - Lifetime CN203432002U (en) | 2013-08-21 | 2013-08-21 | Novel stepless temperature regulation double-cold-source fresh air handling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203432002U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202656A (en) * | 2015-09-18 | 2015-12-30 | 珠海格力电器股份有限公司 | Fresh air dehumidification system and method |
| CN106440045A (en) * | 2016-10-21 | 2017-02-22 | 海信（山东）空调有限公司 | Constant-temperature dehumidifying air conditioner and control method of air conditioner |
| CN110207291A (en) * | 2019-05-10 | 2019-09-06 | 广州捷达莱堡通用设备有限公司 | A kind of snow pack refrigeration machine and its Defrost method |
-
2013
- 2013-08-21 CN CN201320512219.0U patent/CN203432002U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202656A (en) * | 2015-09-18 | 2015-12-30 | 珠海格力电器股份有限公司 | Fresh air dehumidification system and method |
| CN106440045A (en) * | 2016-10-21 | 2017-02-22 | 海信（山东）空调有限公司 | Constant-temperature dehumidifying air conditioner and control method of air conditioner |
| CN106440045B (en) * | 2016-10-21 | 2019-04-16 | 海信（山东）空调有限公司 | A kind of type constant temperature dehumidifying air conditioner and air-conditioner control method |
| CN110207291A (en) * | 2019-05-10 | 2019-09-06 | 广州捷达莱堡通用设备有限公司 | A kind of snow pack refrigeration machine and its Defrost method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |