CN207471687U - Air-conditioning system and the air conditioner with the air-conditioning system - Google Patents
Air-conditioning system and the air conditioner with the air-conditioning system Download PDFInfo
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- CN207471687U CN207471687U CN201721289460.6U CN201721289460U CN207471687U CN 207471687 U CN207471687 U CN 207471687U CN 201721289460 U CN201721289460 U CN 201721289460U CN 207471687 U CN207471687 U CN 207471687U
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Abstract
The utility model provides a kind of air-conditioning system, including being sequentially connected in series the throttle valve to form total refrigerant flow, third heat exchanger and compressor, the first refrigerant branch of composition closed loop is connected with total refrigerant flow, the second refrigerant branch and control module of composition closed loop are connected with total refrigerant flow；For freezing, the second refrigerant branch is used to dehumidify the first refrigerant branch；The control module is used to control the cold medium flux of the first refrigerant branch and the second refrigerant branch, to realize the dehumidifying under different load.So set, obtain temperature-compensating when can make the cold air by evaporator cool-down dehumidification using the condenser added, while so as to fulfill dehumidifying, air quantity is not reduced, meets the Wind Volume demand under any operating mode in computer room.The utility model additionally provides a kind of air conditioner for employing the air-conditioning system.
Description
Technical field
The utility model is related to air-conditioning technical field, more particularly to a kind of air-conditioning system and the sky with the air-conditioning system
Adjust device.
Background technology
Air conditioner in machine room is also thermostatic and humidistatic air conditioning unit room special air conditioner, be it is a kind of specialize in that computer room uses to temperature, wet
The very high High Precision Air-conditioning of the precision of control is spent, computer room temperature can be not only controlled, humidity can also be controlled simultaneously.Nowadays,
The dehumidifying effect of air conditioner in machine room has been increasingly becoming an important technology index in the field.How dehumidifying energy during high load capacity is increased
Power, while still there is dehumidifying effect to have become research hotspot during underload.Air conditioner in machine room is in underload at present, in order to increase
Big moisture removal is mainly realized by the following two kinds method：When the method for drop air quantity, i.e., by reducing indoor air quantity, to reduce
Evaporator evaporating temperature achievees the purpose that increase moisture removal during underload.The major defect of this mode is reduction of circulated air
Amount, reduces the rate of ventilation of computer room, is easy to cause the deposition of dust in temperature fluctuation and air, reduces leaving air temp, holds
Computer room temperature fluctuation increase is easily caused, this is all unfavorable to the operation of server and computer.Second is that pass through control system tune
Big system overheat degree dehumidifies to increase, i.e., reduces the aperture of expansion valve by increasing degree of superheat set point, reduces evaporating temperature
Rapid moisture removal when realizing underload.This mode can make the refrigerant in evaporator be mostly in superheat section, overall effect on moisture extraction
It is bad, it is uneven to be also easy to cause leaving air temp mixing.
Utility model content
Based on above-mentioned, a kind of air-conditioning system that can realize Smaller load dehumidifying and constant temperature dehumidification is provided.
In addition, also provide a kind of air conditioner with the air-conditioning system.
A kind of air-conditioning system, including being sequentially connected in series the throttle valve to form total refrigerant flow, third heat exchanger and compressor,
The first refrigerant branch of composition closed loop is connected with total refrigerant flow, composition closed loop is connected with total refrigerant flow and is returned
The second refrigerant branch and control module on road；
For freezing, the second refrigerant branch is used to dehumidify the first refrigerant branch；
The control module is used to control the cold medium flux of the first refrigerant branch and the second refrigerant branch, to realize not
With the dehumidifying under load.
The first refrigerant branch includes the first flow control valve and first being sequentially connected in series in one of the embodiments,
Heat exchanger, and the refrigerant exit pipe of the first flow control valve is connect with the refrigerant inlet pipe of the first heat exchanger.
The second refrigerant branch includes the second flow control valve and second being sequentially connected in series in one of the embodiments,
Heat exchanger；And the refrigerant exit pipe of the second flow control valve is connect with the refrigerant inlet pipe of the second heat exchanger.
The second heat exchanger and the third heat exchanger are arranged on same wind field in one of the embodiments,
In, and the third heat exchanger is arranged on the upstream of wind field；The second heat exchanger is arranged on the downstream of wind field.
The air-conditioning system further includes part flow arrangement and current-collecting device, the part flow arrangement in one of the embodiments,
It is arranged on the gas exhaust piping of the compressor, and the manifold of the part flow arrangement is connect with the exhaust outlet pipe of the compressor,
First branch pipe is connect with the refrigerant inlet pipe of the first refrigerant branch, the refrigerant of the second branch pipe and the second refrigerant branch into
Mouth pipe connection；
The current-collecting device is arranged on the air inlet pipeline of throttle valve, and the manifold of the current-collecting device and the throttle valve
The connection of refrigerant inlet pipe, the first branch pipe connect with the refrigerant exit pipe of the first refrigerant branch, the second branch pipe and described the
The refrigerant exit pipe connection of two refrigerant branches.
The first check valve is additionally provided on the refrigerant exit pipe of the first refrigerant branch in one of the embodiments,
The second check valve is additionally provided on the refrigerant exit pipe of the second refrigerant branch.
A kind of air conditioner, the air conditioner include indoor unit and outdoor unit, and the indoor unit includes indoor unit casing, setting
In in the indoor unit casing the second heat exchanger, third heat exchanger, throttle valve, the second check valve, current-collecting device
With the second wind turbine；The outdoor unit includes outdoor shell, the compressor being set in the outdoor machine shell body, the first heat
Exchanger, part flow arrangement, first flow control valve, second flow control valve, the first check valve and the second wind turbine.
A kind of air-conditioning system and the air conditioner with the air-conditioning system, pass through the wind field added downstream of side evaporator indoors
One condenser, and when switching to dehumidification mode as high temperature refrigerant flow path so that by the cold sky of evaporator cool-down dehumidification
Temperature-compensating is obtained when gas is using the condenser added.By specific logic control, following advantageous effect can be obtained：
1. not needing to reduce the air quantity of unit, any operating condition can meet the requirement of air conditioner in machine room Wind Volume；
2. pass through the run time proportioning of refrigeration mode, dehumidification mode or the aperture by flow control valve and outside
The adjusting of rotation speed of fan can realize indoor constant temperature dehumidification；
3. overcoming evaporator superheat section caused by dehumidifying by reducing expansion valve opening to become larger, effect on moisture extraction is bad,
The drawbacks such as hydraulic performance decline and low reliability caused by being run with compressor high compression ratio；
4. for frequency converter sets, Strong dehumidifying ability is excellent when can be very good to run using high frequency using the utility model
Gesture greatly improves dehumidifying effect of the unit under all operating modes.
Description of the drawings
Fig. 1 is constant temperature dehumidification air-conditioning system schematic diagram.
Description of the drawings：100. compressor；200. branch pipe；310. first flow regulating valves；320. second flow regulating valves；
410. first wind turbines；420. second wind turbines；510. first heat exchanger；520. second heat exchanger；530. third heat exchangers；
610. first check valves；620. second check valves；700. expansion valve.
Specific embodiment
In this patent document, Fig. 1 discussed below and the various embodiments for describing the principle of the disclosure or method
It is served only for illustrating, and should not be construed as in any way and limit the scope of the present disclosure.It should be understood by those skilled in the art that
It is that the principle or method of the disclosure can be realized in any appropriate arrangement air-conditioning system.Refer to the attached drawing, the preferred implementation of the disclosure
Example will be described below.In the following description, the detailed description that well-known function or configuration will be omitted, in order to avoid with not
Necessary details obscures the theme of the disclosure.Moreover, term used herein defines function according to the present utility model.Cause
This, the term may according to the intention or usage of user or operator difference.Therefore, term used herein is necessary
Understood based on the description made herein.
A kind of air-conditioning system, as shown in Figure 1, to form the throttle valve of total refrigerant flow 700 including being sequentially connected in series, third heat is handed over
Parallel operation 530 and compressor 100 connect the first refrigerant branch of composition closed loop with total refrigerant flow, and described total cold
Matchmaker's fluid communication forms the second refrigerant branch and control module of closed loop；
For freezing, the second refrigerant branch is used to dehumidify the first refrigerant branch；
The control module is used to control the cold medium flux of the first refrigerant branch and the second refrigerant branch, to realize not
With the dehumidifying under load.
Wherein, the first refrigerant branch includes the first flow control valve 310 being sequentially connected in series and first heat exchanger
510, and the refrigerant exit pipe of the first flow control valve 310 is connect with the refrigerant inlet pipe of the first heat exchanger 510.
The second refrigerant branch includes the second flow control valve 320 being sequentially connected in series and second heat exchanger 520；And institute
The refrigerant exit pipe for stating second flow control valve 320 is connect with the refrigerant inlet pipe of the second heat exchanger 520.
The second heat exchanger 520 and the third heat exchanger 530 are arranged in same wind field, and the third
Heat exchanger 530 is arranged on the upstream of wind field；The second heat exchanger 520 is arranged on the downstream of wind field.It so set, can
Indoor air is made to first pass through dehumidification by condensation, heat compensation is obtained using condenser, passes through relevant logic control machine
Under dehumidification mode, the temperature fluctuation of indoor controls in the safe range of setting room air-conditioning.
In addition, the air-conditioning system further includes part flow arrangement 210 and current-collecting device 220, the part flow arrangement 210 is arranged on
On the gas exhaust piping of the compressor 100, and the exhaust outlet Guan Lian of the manifold of the part flow arrangement 210 and the compressor 100
It connects, the first branch pipe is connect with the refrigerant inlet pipe of the first refrigerant branch, and the second branch pipe is cold with the second refrigerant branch
Matchmaker's inlet tube connects；
The current-collecting device 220 is arranged on the air inlet pipeline of throttle valve 700, and the manifold of the current-collecting device 220 with
The refrigerant inlet pipe connection of the throttle valve 700, the first branch pipe are connect with the refrigerant exit pipe of the first refrigerant branch, and second
Branch pipe is connect with the refrigerant exit pipe of the second refrigerant branch.
The first check valve 610, the second refrigerant branch are additionally provided on the refrigerant exit pipe of the first refrigerant branch
Refrigerant exit pipe on be additionally provided with the second check valve 620.During for preventing a certain refrigerant flow of isolated operation, high pressure refrigerant is filled
It notes and is not involved in the heat exchanger of operation, reduce the coolant quantity that system participates in cycle.
In refrigerant flow described above, the refrigerant first flow path is in parallel with the refrigerant second flow path.So set
It puts, the air-conditioning system can be made freely to switch between refrigeration mode and dehumidification mode, and can facilitate to two refrigerant streams
The independent control on road.
According to content described above, this programme additionally provides the air conditioner using air-conditioning system described above, the sky
Adjust device include indoor unit and outdoor unit, the indoor unit include indoor unit casing, be set to it is described in the indoor unit casing
Second heat exchanger 520, third heat exchanger 530, throttle valve 700, the second check valve 620,220 and second wind turbine of current-collecting device
420；The outdoor unit includes outdoor shell, the compressor 100 being set in the outdoor machine shell body, the first heat exchange
Device 510, part flow arrangement 210, first flow control valve 310, second flow control valve 320, the first check valve 610 and the second wind turbine
420。
Air-conditioning system described above and the air conditioner with the air-conditioning system, pass through the wind field downstream of side evaporator indoors
A condenser is added, and when switching to dehumidification mode as high temperature refrigerant flow path so that by evaporator cool-down dehumidification
Temperature-compensating is obtained when cold air is using the condenser added.So set, it can be good at utilizing air-conditioning system itself
Heat carries out heat compensation, energy saving without additional auxiliary thermal, and can pass through cold medium flux in two refrigerant branches
Proportion adjustment indoor temperature, make the temperature fluctuation in computer room facilitate control in the safe range of setting, that is, pass through correlation
Logic control can achieve the effect that constant temperature dehumidification, meanwhile, it is capable to meet any below the rated load of air conditioner in machine room indoor
The dehumidifying of operating mode and the requirement of Wind Volume.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of air-conditioning system, including being sequentially connected in series the throttle valve to form total refrigerant flow, third heat exchanger and compressor, with
First refrigerant branch of total refrigerant flow connection composition closed loop, composition closed loop is connected with total refrigerant flow
The second refrigerant branch and control module；
For freezing, the second refrigerant branch is used to dehumidify the first refrigerant branch；
The control module is used to control the cold medium flux of the first refrigerant branch and the second refrigerant branch, different negative to realize
Dehumidifying under lotus.
2. air-conditioning system according to claim 1, which is characterized in that the first refrigerant branch includes be sequentially connected in series first
Flow control valve and first heat exchanger, and the refrigerant exit pipe of the first flow control valve and the first heat exchanger
Refrigerant inlet pipe connects.
3. air-conditioning system according to claim 1, which is characterized in that the second refrigerant branch includes be sequentially connected in series second
Flow control valve and second heat exchanger；And the refrigerant exit pipe of the second flow control valve and the second heat exchanger
Refrigerant inlet pipe connects.
4. air-conditioning system according to claim 3, which is characterized in that the second heat exchanger and the third heat exchanger
It is arranged in same wind field, and the third heat exchanger is arranged on the upstream of wind field；The second heat exchanger is arranged on
The downstream of wind field.
5. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes part flow arrangement and afflux
Device, the part flow arrangement are arranged on the gas exhaust piping of the compressor, and the manifold of the part flow arrangement and the compression
The exhaust outlet pipe connection of machine, the first branch pipe connect with the refrigerant inlet pipe of the first refrigerant branch, the second branch pipe and described the
The refrigerant inlet pipe connection of two refrigerant branches；
The current-collecting device is arranged on the air inlet pipeline of throttle valve, and the manifold of the current-collecting device and the throttle valve is cold
Matchmaker's inlet tube connects, and the first branch pipe connect with the refrigerant exit pipe of the first refrigerant branch, the second branch pipe and described second cold
The refrigerant exit pipe connection of matchmaker's branch.
6. air-conditioning system according to claim 5, which is characterized in that on the refrigerant exit pipe of the first refrigerant branch also
The first check valve is provided with, the second check valve is additionally provided on the refrigerant exit pipe of the second refrigerant branch.
7. a kind of air conditioner, including indoor unit and outdoor unit；The indoor unit includes indoor unit casing；The outdoor unit includes room
Outer cage body；The first wind turbine being set in the outdoor machine shell body；The second wind turbine being set in the indoor unit casing,
It is characterized in that,
The throttle valve described in claim 1-6 any one, third heat exchanger, right is further included in the indoor unit casing to want
Ask the second heat exchanger described in 3, the current-collecting device described in claim 5；
Compressor described in claim 1-6 any one, first described in claim 2 are further included in the outdoor machine shell body
Flow control valve, first heat exchanger, the second flow control valve described in claim 3 and the shunting described in claim 5
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289460.6U CN207471687U (en) | 2017-09-30 | 2017-09-30 | Air-conditioning system and the air conditioner with the air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289460.6U CN207471687U (en) | 2017-09-30 | 2017-09-30 | Air-conditioning system and the air conditioner with the air-conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN207471687U true CN207471687U (en) | 2018-06-08 |
Family
ID=62267478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721289460.6U Active CN207471687U (en) | 2017-09-30 | 2017-09-30 | Air-conditioning system and the air conditioner with the air-conditioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489125A (en) * | 2018-09-30 | 2019-03-19 | 珠海格力电器股份有限公司 | Constant temperature and humidity air conditioner |
| CN109595841A (en) * | 2017-09-30 | 2019-04-09 | 深圳市英维克科技股份有限公司 | Air-conditioning system and its control method |
| CN110220277A (en) * | 2019-06-11 | 2019-09-10 | 宁波奥克斯电气股份有限公司 | A kind of control method of air conditioner, device and air conditioner |
| CN114963427A (en) * | 2022-04-22 | 2022-08-30 | 青岛海尔空调器有限总公司 | Compressor frequency control-based constant-temperature dehumidification method and system for air conditioner |
-
2017
- 2017-09-30 CN CN201721289460.6U patent/CN207471687U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595841A (en) * | 2017-09-30 | 2019-04-09 | 深圳市英维克科技股份有限公司 | Air-conditioning system and its control method |
| CN109489125A (en) * | 2018-09-30 | 2019-03-19 | 珠海格力电器股份有限公司 | Constant temperature and humidity air conditioner |
| CN110220277A (en) * | 2019-06-11 | 2019-09-10 | 宁波奥克斯电气股份有限公司 | A kind of control method of air conditioner, device and air conditioner |
| CN114963427A (en) * | 2022-04-22 | 2022-08-30 | 青岛海尔空调器有限总公司 | Compressor frequency control-based constant-temperature dehumidification method and system for air conditioner |
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