CN207975805U - Central air-conditioning intelligence temperature control system - Google Patents
Central air-conditioning intelligence temperature control system Download PDFInfo
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- CN207975805U CN207975805U CN201721518302.3U CN201721518302U CN207975805U CN 207975805 U CN207975805 U CN 207975805U CN 201721518302 U CN201721518302 U CN 201721518302U CN 207975805 U CN207975805 U CN 207975805U
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- heat exchanger
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- refrigerant
- compressor
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Abstract
The utility model discloses a kind of central air-conditioning intelligence temperature control systems, including outdoor unit, water source heat pump units, bypass line, multiple indoor units and controller, outdoor unit includes compressor, outdoor heat exchanger and four-way valve, and water temperature sensor is equipped at the cooling water inlet of outdoor heat exchanger；The outlet of water source heat pump units is connected by a water pump with the cooling water inlet of outdoor heat exchanger, and the entrance of water source heat pump units is connected with the cooling water outlet of outdoor heat exchanger；Bypass line is connected between the outlet of water source heat pump units and the entrance of water source heat pump units, and bypass line is equipped with flow valve；Indoor unit includes expansion valve, indoor heat exchanger, wind turbine, temperature sensor and refrigerant temperature sensors, and temperature sensor is set to the entrance side of wind turbine, and refrigerant temperature sensors are set to the inlet of indoor heat exchanger.It, can be with temperature in quickly-conditioning indoor according to the new central air-conditioning intelligence temperature control system of this practicality.
Description
Technical field
The utility model is related to air-conditioning system more particularly to a kind of central air-conditioning intelligence temperature control systems.
Background technology
Central air conditioner system is usually to be made of cold and heat source system and air handling system, uses liquid vaporization refrigeration
Principle provides institute's chilling requirement for air handling system, to offset the refrigeration duty of indoor environment；Heating system is air conditioning system
System provides to offset the heat of indoor environment thermic load.
In the related technology, central air conditioner system is when temperature is adjusted, such as when selecting refrigeration mode, user's set temperature
Later, central air conditioner system is run according to refrigeration mode, and longer time is needed to can be only achieved near user's set temperature,
Also, when temperature larger gap occurs with user's set temperature indoors, central air conditioner system cannot be adjusted quickly in time, be made
It obtains indoor temperature to stablize near user's set temperature, therefore, performance needs to be advanced optimized.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.This reality as a result,
It is to propose a kind of central air-conditioning intelligence temperature control system with novel purpose.
To achieve the above object, according to the central air-conditioning intelligence temperature control system of the utility model embodiment, including：
Outdoor unit, the outdoor unit include compressor, outdoor heat exchanger and four-way valve, the entrance of the compressor with it is described
The return-air port of four-way valve is connected, and the outlet of the compressor is connected with the exhaust port of the four-way valve, the outdoor heat exchange
The refrigerant inlet of device is connected with the outdoor unit port of the four-way valve, and water is equipped at the cooling water inlet of the outdoor heat exchanger
Temperature sensor；
Water source heat pump units, the outlet of the water source heat pump units pass through the cooling water of a water pump and the outdoor heat exchanger
Entrance is connected, and the entrance of the water source heat pump units is connected with the cooling water outlet of the outdoor heat exchanger；
Bypass line, the bypass line are connected to the outlet of the water source heat pump units and the water source heat pump units
Between entrance, the bypass line is equipped with flow valve；
Multiple indoor units, the indoor unit include expansion valve, indoor heat exchanger, wind turbine, temperature sensor and refrigerant temperature
Spend sensor, the entrance of the expansion valve is connected with the refrigerant outlet of the outdoor heat exchanger, the outlet of the expansion valve and
The entrance of the indoor heat exchanger is connected, and the outlet of the indoor heat exchanger is connected with the indoor unit port of the four-way valve, institute
The outlet side of wind turbine is stated towards the indoor heat exchanger, the temperature sensor is set to the entrance side of the wind turbine, the system
Refrigerant temperature sensor is set to the inlet of the indoor heat exchanger；
Controller, the controller and the compressor, four-way valve, water temperature sensor, expansion valve, temperature sensor and system
Refrigerant temperature sensor is electrically connected.
In addition, can also be had according to the central air-conditioning intelligence temperature control system of the utility model above-described embodiment following additional
Technical characteristic：
One embodiment according to the present utility model, the temperature sensor is for detecting indoor temperature value, the water temperature
Sensor is used to detect the cooling water temperature at the cooling water inlet of the outdoor heat exchanger, and the refrigerant temperature sensors are used
Refrigerant temperature in the inlet of the indoor heat exchanger；
When the temperature gap between the indoor temperature value and user's set temperature value is less than preset difference value, the control
Device is according to the aperture of flow valve described in the cooling water temperature and coolant temperature control, to adjust the cold of the outdoor heat exchanger
But water pressure.
One embodiment according to the present utility model, the compressor are compressor with variable displacement, and the compressor enters
Mouthful place equipped with pressure sensor, to detect the compressor inlet refrigerant suction pressure；
When the temperature gap between the indoor temperature value and user's set temperature value is more than preset difference value, the control
Device controls to adjust the discharge capacity of the compressor according to the refrigerant suction pressure.
According to the central air-conditioning intelligence temperature control system that the utility model embodiment provides, controller can be utilized according to interior
The aperture of flow valve is adjusted in temperature, cooling water temperature, refrigerant temperature so that the heat exchange rate of outdoor heat exchanger carries out
Variation, and then the temperature of refrigerant is quickly adjusted, it is finally reached the purpose of temperature in quickly-conditioning indoor.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment central air-conditioning intelligence temperature control system.
Reference numeral：
Outdoor unit 10；
Compressor 101；
Outdoor heat exchanger 102；
Four-way valve 103；
Return-air port a；
Outdoor unit port b；
Exhaust port c；
Indoor unit port d；
Water source heat pump units 20；
Water pump 21；
Bypass line 30；
Flow valve 31；
Indoor unit 40；
Expansion valve 401；
Indoor heat exchanger 402；
Wind turbine 403；
Temperature sensor 404；
Refrigerant temperature sensors 405；
Controller 50.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation, be based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " " axial direction ", " circumferential direction ", " radial direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features are in direct contact, and can also not be to be in direct contact but lead to including the first and second features
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Indicate that fisrt feature level height is less than second feature.
The central air-conditioning intelligence temperature control system of the utility model embodiment is described in detail with reference to the accompanying drawings.
Shown in referring to Fig.1, according to the central air-conditioning intelligence temperature control system that the utility model embodiment provides, including outdoor unit
10, water source heat pump units 20, bypass line 30, multiple indoor units 40 and controller 50.
Specifically, outdoor unit 10 includes compressor 101, outdoor heat exchanger 102 and four-way valve 103, the compressor 101
Entrance is connected with the return-air port a of the four-way valve 103, the exhaust of the outlet and the four-way valve 103 of the compressor 101
Port c is connected, and the refrigerant inlet of the outdoor heat exchanger 102 is connected with the outdoor unit port b of the four-way valve 103, described
Water temperature sensor is equipped at the cooling water inlet of outdoor heat exchanger 102.
The outlet of water source heat pump units 20 is connected by a water pump 21 with the cooling water inlet of the outdoor heat exchanger 102,
The entrance of the water source heat pump units 20 is connected with the cooling water outlet of the outdoor heat exchanger 102.
Bypass line 30 be connected to the water source heat pump units 20 outlet and the water source heat pump units 20 entrance it
Between, the bypass line 30 is equipped with flow valve 31.
Indoor unit 40 includes expansion valve 401, indoor heat exchanger 402, wind turbine 403, temperature sensor 404 and refrigerant temperature
Sensor 405 is spent, the entrance of the expansion valve 401 is connected with the refrigerant outlet of the outdoor heat exchanger 102, the expansion valve
401 outlet is connected with the entrance of the indoor heat exchanger 402, the outlet of the indoor heat exchanger 402 and the four-way valve 103
Indoor unit port d be connected, the outlet side of the wind turbine 403 is towards the indoor heat exchanger 402, the temperature sensor 404
It is set to the entrance side of the wind turbine 403, the refrigerant temperature sensors 405 are set to entering for the indoor heat exchanger 402
At mouthful.
Controller 50 and the compressor 101, four-way valve 103, water temperature sensor, expansion valve 401, temperature sensor 404
And refrigerant temperature sensors 405 are electrically connected.
In refrigeration mode：The exhaust port c of four-way valve 103 is connected with the outdoor unit port b of four-way valve 103, four-way valve
103 return-air port a is connected with the indoor unit port d of four-way valve 103.
The refrigerant of the outlet discharge of compressor 101 flows into four-way valve 103 by the exhaust port c of four-way valve 103, and passes through
The refrigerant side of outdoor heat exchanger is flowed by the outdoor unit port b of four-way valve 103, water source heat pump units 20 send cooling water
Enter to the cooling water side of outdoor heat exchanger, at this point, outdoor heat exchanger is as condenser, refrigerant is in outdoor heat exchanger
Heat exchange is carried out with cooling water, the temperature of refrigerant reduces, and the temperature of cooling water increases.Then, the system of outdoor heat exchange is carried out
After cryogen is via expansion valve 401, indoor heat exchanger is entered to, at this point, indoor heat exchanger is as evaporator, refrigerant
Evaporation endothermic in heat exchanger indoors so that the air cooling around indoor heat exchanger, wind turbine 403 is by indoor heat exchanger
Air after cooling blowout nearby, enters to four-way valve 103, and via four finally by the indoor unit port d of four-way valve 103
The return-air port a of port valve 103 is back to compressor 101.
In heating mode：The exhaust port c of four-way valve 103 is connected with the indoor unit port d of four-way valve 103, four-way valve
103 return-air port a is connected with the outdoor unit port b of four-way valve 103.
The refrigerant of the outlet discharge of compressor 101 flows into four-way valve 103 by the exhaust port c of four-way valve 103, and passes through
Indoor heat exchanger is flowed by the indoor unit port d of four-way valve 103, wind turbine 403 is dried to indoor heat exchanger, at this point, room
For inside heat exchanger as condenser, refrigerant carries out heat exchange in outdoor heat exchanger with wind, and the temperature of refrigerant reduces, wind
Temperature increase.Then, the refrigerant for carrying out indoor heat exchange enters to outdoor heat exchanger 102 later via expansion valve 401
Refrigerant side, cooling water is fed through the cooling water side of outdoor heat exchanger by water source heat pump units 20, at this point, outdoor heat exchanger
As evaporator, refrigerant carries out heat exchange with cooling water, and the temperature of refrigerant increases, and the temperature of cooling water reduces, finally, system
Cryogen enters to four-way valve 103 by the outdoor unit port b of four-way valve 103, and flows back via the return-air port a of four-way valve 103
To compressor 101.
In the present embodiment, temperature sensor 404 can detect indoor temperature value, and water temperature sensor can detect outdoor heat exchange
Cooling water temperature at the cooling water inlet of device 102, refrigerant temperature sensors 405 can be with the inlet of indoor heat exchanger 402
Refrigerant temperature.
Since cooling water temperature and refrigerant temperature all directly affect the heat transfer effect of indoor heat exchanger, so,
In concrete application, controller 50 can be utilized according to indoor temperature, cooling water temperature, refrigerant temperature to the aperture of flow valve 31
It is adjusted, when being opened due to flow valve 31, the cooling water that water source heat pump units 20 export can be back to from bypass line 30
Water source heat pump units 20, so, the cooling water into the cooling water side of outdoor heat exchanger reduces, corresponding, outdoor heat exchange
The pressure of the cooling water side of device will reduce, and that is to say, when flow valve 31 opens big increase, the cooling water pressure of outdoor heat exchanger
Power can reduce, and when flow valve 31 opens big reduction, the cooling water pressure of outdoor heat exchanger will increase, in this way, being flowed by adjusting
The aperture for measuring valve 31 can adjust the cooling water pressure of outdoor heat exchanger, and the cooling water pressure of outdoor heat exchanger increases,
The heat exchange rate of outdoor heat exchanger 102 can be then improved, on the contrary, the cooling water pressure of outdoor heat exchanger reduces, then can be dropped
The heat exchange rate of low outdoor heat exchanger 102.It is corresponding, you can the temperature for adjusting refrigerant is finally reached in quickly-conditioning indoor warm
The purpose of degree.
In one embodiment of the utility model, temperature sensor 404 is passed for detecting indoor temperature value, the water temperature
Sensor is used to detect the cooling water temperature at the cooling water inlet of the outdoor heat exchanger 102, the refrigerant temperature sensors
405 refrigerant temperature for the inlet of the indoor heat exchanger 402.
When the temperature gap between the indoor temperature value and user's set temperature value is less than preset difference value, the control
Device 50 is according to the aperture of flow valve 31 described in the cooling water temperature and coolant temperature control, to adjust the outdoor heat exchanger
102 cooling water pressure.
That is, by indoor temperature value and user's set temperature stop between temperature gap and preset difference value compare
Compared with when the temperature gap is less than preset difference value, it is not too big to illustrate that indoor temperature is differed with user's set temperature, at this point, control
Device 50 processed is according to the aperture of cooling water temperature and coolant temperature control flow valve 31 and then adjusts indoor temperature, for example, this
When, respectively compared with setting cooling temperature, setting cryogenic temperature, cooling water temperature is less than setting for coolant water temperature and refrigerant temperature
Temperature value, refrigerant temperature are less than set temperature value, then the aperture for controlling flow valve 31 reduces, at this point, improving outdoor heat exchanger
102 heat exchange rate, you can in quickly-conditioning indoor near temperature to user's set temperature value.It is, of course, understood that control
The specific control strategy of device 50 can be arranged as required to, numerous to list herein.
In one embodiment of the utility model, compressor 101 is compressor with variable displacement, the compressor 101
Inlet be equipped with pressure sensor, to detect the compressor 101 inlet refrigerant suction pressure.
When the temperature gap between the indoor temperature value and user's set temperature value is more than preset difference value, the control
Device 50 controls to adjust the discharge capacity of the compressor 101 according to the refrigerant suction pressure.
That is, by indoor temperature value and user's set temperature stop between temperature gap and preset difference value compare
Compared with, when the temperature gap be more than preset difference value when, illustrate that indoor temperature differs larger with user's set temperature, at this point, controller
The aperture of 50 control flow valves 31 to minimum (i.e. flow valve 31 is closed) still cannot make indoor temperature quickly be adjusted to user
Near set temperature value, then controller 50 controls compressor 101 according to the refrigerant suction pressure of the inlet of compressor 101
Discharge capacity, such as the refrigerant suction pressure of the inlet of compressor 101 are smaller, then controller 50 controls the discharge capacity of compressor 101
Increase so that refrigerant suction pressure increases, and then improves refrigerant heat exchanger rate, and then reaches in quickly-conditioning indoor temperature extremely
Near user's set temperature value.
According to the central air-conditioning intelligence temperature control system that the utility model embodiment provides, 50 basis of controller can be utilized
The aperture of flow valve 31 is adjusted in indoor temperature, cooling water temperature, refrigerant temperature so that outdoor heat exchanger 102 changes
Hot rate is changed, and then quickly adjusts the temperature of refrigerant, is finally reached the purpose of temperature in quickly-conditioning indoor.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (3)
1. a kind of central air-conditioning intelligence temperature control system, which is characterized in that including：
Outdoor unit, the outdoor unit include compressor, outdoor heat exchanger and four-way valve, the entrance of the compressor and the four-way
The return-air port of valve is connected, and the outlet of the compressor is connected with the exhaust port of the four-way valve, the outdoor heat exchanger
Refrigerant inlet is connected with the outdoor unit port of the four-way valve, and water temperature is equipped at the cooling water inlet of the outdoor heat exchanger and is passed
Sensor；
Water source heat pump units, the outlet of the water source heat pump units pass through the cooling water inlet of a water pump and the outdoor heat exchanger
It is connected, the entrance of the water source heat pump units is connected with the cooling water outlet of the outdoor heat exchanger；
Bypass line, the bypass line are connected to outlet and the entrance of the water source heat pump units of the water source heat pump units
Between, the bypass line is equipped with flow valve；
Multiple indoor units, the indoor unit include that expansion valve, indoor heat exchanger, wind turbine, temperature sensor and refrigerant temperature pass
Sensor, the entrance of the expansion valve are connected with the refrigerant outlet of the outdoor heat exchanger, the outlet of the expansion valve with it is described
The entrance of indoor heat exchanger is connected, and the outlet of the indoor heat exchanger is connected with the indoor unit port of the four-way valve, the wind
For the outlet side of machine towards the indoor heat exchanger, the temperature sensor is set to the entrance side of the wind turbine, the refrigerant
Temperature sensor is set to the inlet of the indoor heat exchanger；
Controller, the controller and the compressor, four-way valve, water temperature sensor, expansion valve, temperature sensor and refrigerant
Temperature sensor is electrically connected.
2. central air-conditioning intelligence temperature control system according to claim 1, which is characterized in that the temperature sensor is for examining
Indoor temperature value is surveyed, the water temperature sensor is used to detect the cooling water temperature at the cooling water inlet of the outdoor heat exchanger,
Refrigerant temperature of the refrigerant temperature sensors for the inlet of the indoor heat exchanger；
When the temperature gap between the indoor temperature value and user's set temperature value is less than preset difference value, the controller root
According to the aperture of flow valve described in the cooling water temperature and coolant temperature control, to adjust the cooling water of the outdoor heat exchanger
Pressure.
3. central air-conditioning intelligence temperature control system according to claim 1, which is characterized in that the compressor is variable displacement
The inlet of compressor, the compressor is equipped with pressure sensor, is inhaled to detect the refrigerant of inlet of the compressor
Enter pressure；
When the temperature gap between the indoor temperature value and user's set temperature value is more than preset difference value, the controller root
The discharge capacity of the compressor is controlled to adjust according to the refrigerant suction pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721518302.3U CN207975805U (en) | 2017-11-14 | 2017-11-14 | Central air-conditioning intelligence temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721518302.3U CN207975805U (en) | 2017-11-14 | 2017-11-14 | Central air-conditioning intelligence temperature control system |
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| Publication Number | Publication Date |
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| CN207975805U true CN207975805U (en) | 2018-10-16 |
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| CN201721518302.3U Active CN207975805U (en) | 2017-11-14 | 2017-11-14 | Central air-conditioning intelligence temperature control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165898A (en) * | 2021-11-26 | 2022-03-11 | 青岛海信日立空调系统有限公司 | Central air conditioner |
-
2017
- 2017-11-14 CN CN201721518302.3U patent/CN207975805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165898A (en) * | 2021-11-26 | 2022-03-11 | 青岛海信日立空调系统有限公司 | Central air conditioner |
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