CN205641710U - A air conditioning system for computer lab - Google Patents
A air conditioning system for computer lab Download PDFInfo
- Publication number
- CN205641710U CN205641710U CN201620208275.9U CN201620208275U CN205641710U CN 205641710 U CN205641710 U CN 205641710U CN 201620208275 U CN201620208275 U CN 201620208275U CN 205641710 U CN205641710 U CN 205641710U
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- China
- Prior art keywords
- water
- heat exchanger
- cooled heat
- air conditioning
- conditioning system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses an air conditioning system for computer lab, include: a compressor. The water -cooled heat exchanger, the refrigerant entry of water -cooled heat exchanger is linked together with the gas vent of compressor, the throttle mechanism, the entry of throttle mechanism is linked together with the refrigerant outlet of water -cooled heat exchanger, the evaporimeter, the entry of evaporimeter is linked together with the export of throttle structure, and the export of evaporimeter is linked together with the return -air mouth of compressor, cooling device, cooling device include the fan, and cooling device's water flow outlet is linked together with the water side entrance of water -cooled heat exchanger, and cooling device's rivers entry is linked together with the water side export of water -cooled heat exchanger, PRESSURE DETECTOR for detect the discharge pressure of compressor, the controller, the controller is according to the discharge pressure control fan's of compressor rotational speed to adjust the temperature of the aqueous solution of entering water -cooled heat exchanger. This system can adapt to lower outdoor temperature requirement to unit that can compatible a plurality of cold volume scopes reduces total accessory requirement of family machine.
Description
Technical field
This utility model relates to air-conditioning technical field, particularly to a kind of air conditioning system for machine room.
Background technology
The condensing pressure of the water-cooling type air conditioning system being commonly used for machine room is to be controlled by a condensing pressure control valve,
Its control principle is: regulate the water by water-cooled heat exchanger by the change of aerofluxus (high-pressure side) pressure of induction system
Amount, thus the pressure at expulsion of control system compressor is in the pressure limit of safe and reliable operation, it is ensured that unit is round-the-clock reliably
Run.
But, need to be equipped with the condensing pressure control valve of different size for the system of different flow, cannot be below it the most simultaneously
Low discharge requirement.But, in the case of outdoor temperature is relatively low, less flow can meet system unit water side heat exchange
Demand, but now condensing pressure control valve cannot meet requirement.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
The purpose of type is to propose a kind of air conditioning system for machine room, and this system can adapt to relatively low outdoor temperature requirement, and
Can the unit of compatible multiple cold scopes, reduce total accessory requirement of series machine.
For achieving the above object, the utility model proposes a kind of air conditioning system for machine room, including: compressor；Water-cooled
Formula heat exchanger, the refrigerant inlet of described water-cooled heat exchanger is connected with the air vent of described compressor；Throttle mechanism, described
The entrance of throttle mechanism is connected with the refrigerant exit of described water-cooled heat exchanger；Vaporizer, the entrance of described vaporizer and institute
The outlet stating throttle structure is connected, and the outlet of described vaporizer is connected with the gas returning port of described compressor；Chiller,
Described chiller includes that blower fan, the water export of described chiller are connected with the water side entrance of described water-cooled heat exchanger,
The flow inlet of described chiller is connected with the water side outlet of described water-cooled heat exchanger；Pressure detector, described pressure
Detector is in order to detect the pressure at expulsion of described compressor；Controller, described controller is according to the pressure at expulsion of described compressor
Control the rotating speed of described blower fan, enter the temperature of the aqueous solution of described water-cooled heat exchanger with regulation.
According to the air conditioning system for machine room of the present utility model, by water-cooled heat exchanger, throttle mechanism and vaporizer, make
The high temperature and high pressure gaseous refrigerant that compressor is discharged becomes overheated gaseous refrigerant and returns to compressor, and by controller according to
The pressure at expulsion of compressor controls the rotating speed of blower fan, enters the temperature of the aqueous solution of water-cooled heat exchanger with regulation, so that being
System can adapt to relatively low outdoor temperature requirement, and can the unit of compatible multiple cold scopes, reduce always joining of series machine
Part requirement, standardization is high.
Further, the described air conditioning system for machine room, also include that fan speed regulation device, described fan speed regulation device are connected to
Between described blower fan and described controller, wherein, described controller outputs control signals to described wind according to described pressure at expulsion
Machine speed regulator, to regulate the rotating speed of described blower fan, so that entering the water of described water-cooled heat exchanger by described fan speed regulation device
The temperature of solution changes and to enter the water yield of described water-cooled heat exchanger constant.
Specifically, the rotating speed of described blower fan and described pressure at expulsion are preset ratio relation.
Further, the described air conditioning system for machine room, also include temperature sensor and prompting apparatus, described temperature sensing
Device in order to detect the temperature of the aqueous solution entering described water-cooled heat exchanger, described temperature sensor and described prompting apparatus respectively with
Described controller is connected, wherein, when entering the temperature of aqueous solution of described water-cooled heat exchanger less than preset temperature, described
Controller controls described prompting apparatus and sends alarm.
Specifically, described temperature sensor is arranged at the water side entrance of described water-cooled heat exchanger.
Specifically, described chiller is dry cooling tower, and the rotating speed of described blower fan can step-less adjustment.
Specifically, described pressure detector is pressure transducer, and described pressure transducer is arranged on described water-cooled heat exchanger
At refrigerant exit.
Specifically, between the water export and the water side entrance of described water-cooled heat exchanger of described chiller, it is additionally provided with water pump,
Aqueous solution after described chiller cools down is pumped to described water-cooled heat exchanger to carry out heat exchange by described water pump.
Further, between the water export and the entrance of described water pump of described chiller, it is additionally provided with expansion tank to carry out
Moisturizing or meet volumetric expansion produced by the variations in temperature of described aqueous solution.
Specifically, described throttle structure is electric expansion valve.
Accompanying drawing explanation
This utility model above-mentioned and/or that add aspect and advantage will become bright from the following description of the accompanying drawings of embodiments
Aobvious and easy to understand, wherein,
Fig. 1 is the structural representation of the air conditioning system for machine room according to one embodiment of this utility model；
Fig. 2 is the structural representation of the air conditioning system for machine room according to another embodiment of this utility model；
Fig. 3 is the structural representation of the air conditioning system for machine room according to another embodiment of this utility model；And
Fig. 4 is the structural representation of the air conditioning system for machine room according to this utility model further embodiment.
Reference: compressor 10, water-cooled heat exchanger 20, throttle mechanism 30, vaporizer 40, chiller 50, wind
Machine 51, pressure detector 60, controller 70, temperature sensor 80, water pump 90 and expansion tank 100.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
Fig. 1 is the structural representation of the air conditioning system for machine room according to one embodiment of this utility model.As it is shown in figure 1,
This air conditioning system being used for machine room includes: compressor 10, water-cooled heat exchanger 20, throttle mechanism 30, vaporizer 40, cold
Radiator cooler 50, pressure detector 60 and controller 70.
Wherein, the refrigerant inlet of water-cooled heat exchanger 20 is connected with the air vent of compressor 10.The entrance of throttle mechanism 30
It is connected with the refrigerant exit of water-cooled heat exchanger 20.The entrance of vaporizer 40 is connected with the outlet of throttle structure 30, steams
The outlet sending out device 40 is connected with the gas returning port of compressor 10.Chiller 50 includes blower fan 51, the water of chiller 50
Flow export is connected with the water side entrance of water-cooled heat exchanger 20, the flow inlet of chiller 50 and water-cooled heat exchanger 20
Water side outlet be connected.Pressure detector 60 is in order to detect the pressure at expulsion of compressor 10, and controller 70 is according to compressor
The pressure at expulsion of 10 controls the rotating speed of blower fan 51, enters the temperature of the aqueous solution of water-cooled heat exchanger 20 with regulation.
Specifically, in air conditioning system running, the high pressure-temperature gaseous refrigerant (coolant) discharged from compressor 10 leads to
Crossing water-cooled heat exchanger 20 and be condensed into the saturated cold-producing medium of high pressure low temperature liquid, then the saturated cold-producing medium of high pressure low temperature liquid is through throttling
After mechanism 30 throttling, become the liquid refrigerant of low-temp low-pressure, after entrance vaporizer 40 carries out explosive evaporation, become overheated
Gaseous refrigerant be returned to compressor 10, so circulation is carried out.Meanwhile, chiller 50 carries for water-cooled heat exchanger 20
For the cooling water (aqueous solution) of relevant temperature, to carry out heat exchange, the temperature of the cooling water after heat exchange raises, and then flows
Returning chiller 50 to cool, so circulation is carried out.Further, controller 70 is real-time also by pressure detector 60
The pressure at expulsion of detection compressor 10, then controls the rotating speed of blower fan 51 according to the pressure at expulsion of the compressor 10 of detection, with
Regulation enters the temperature of the cooling water of water-cooled heat exchanger 20.
Wherein, pressure detector 60 can be pressure transducer, and pressure transducer can be arranged on water-cooled heat exchanger 20
At refrigerant exit.Chiller 50 can be dry cooling tower, and the rotating speed of blower fan 51 can step-less adjustment.Throttle structure 30 can
Think electric expansion valve.
Owing to the rotating speed of blower fan in chiller is regulated in real time by this system by the pressure at expulsion of the compressor of detection,
Its rotational speed regulation scope is relatively wide, so that the temperature range entering the cooling water of water-cooled heat exchanger is relatively wide, so that
System can not only adapt to relatively low outdoor temperature requirement, and can the unit of compatible multiple cold scopes, reduce series machine
Total accessory requirement, standardization is high.
According to an embodiment of the present utility model, the above-mentioned air conditioning system for machine room can also include: fan speed regulation device
(not specifically illustrated in figure), fan speed regulation device is connected between blower fan 51 and controller 70, wherein, controller 70 basis
Pressure at expulsion outputs control signals to fan speed regulation device, with the rotating speed by fan speed regulation device regulation blower fan 51, so that entering water
The temperature of the aqueous solution of cold type heat exchanger 20 changes and the water yield of entrance water-cooled heat exchanger 20 is constant.
Specifically, in air conditioning system running, can be defeated according to the pressure at expulsion of compressor 10 by controller 70
Go out to control signal to fan speed regulation device, with the rotating speed by fan speed regulation device regulation blower fan 51, it is achieved in different outdoor temperatures
Under, changed the temperature of the water export of chiller 50 by regulation blower fan 51 rotating speed so that enter water-cooled heat exchanger
The temperature of the cooling water of 20 changes and the water yield is constant, thus controls the pressure at expulsion of compressor, makes security of system reliability service.
It is to say, when the water yield entering water-cooled heat exchanger 20 is constant, can control according to the pressure at expulsion of compressor 10
The rotating speed of blower fan 51, enters the temperature of the cooling water of water-cooled heat exchanger 20, thus meets different outdoor temperature with regulation
Requirement.
In this utility model embodiment, the rotating speed of blower fan 51 and pressure at expulsion are preset ratio relation.
Specifically, the relation between rotating speed and the pressure at expulsion of compressor 10 of blower fan 51 is: n=α × PK, wherein, n is
The rotating speed of blower fan 51, α is scale factor (preset ratio), PKPressure at expulsion for compressor 10.
According to an embodiment of the present utility model, as in figure 2 it is shown, the above-mentioned air conditioning system for machine room can also include:
Temperature sensor 80 and prompting apparatus (not specifically illustrated in figure).Temperature sensor 80 is in order to detect entrance water-cooled heat exchanger
The temperature of the aqueous solution of 20, temperature sensor 80 is connected with controller 70 respectively with prompting apparatus, is entering water-cooled heat exchanger
When the temperature of the aqueous solution of 20 is less than preset temperature, controller 70 controls prompting apparatus and sends alarm.Wherein, temperature passes
Sensor 80 can be arranged at the water side entrance of water-cooled heat exchanger 20.
It is to say, temperature sensor 80 can be arranged at the water side entrance of water-cooled heat exchanger 20 to detect entrance water-cooled
The temperature of the aqueous solution of formula heat exchanger 20, when entering the temperature of aqueous solution of water-cooled heat exchanger 20 less than preset temperature,
Prompting apparatus sends alarm, to point out user to carry out system maintenance, thus improves the reliability of system.
According to an embodiment of the present utility model, as it is shown on figure 3, in the water export of chiller 50 and water-cooled heat exchange
Being also provided with water pump 90 between the water side entrance of device 20, water pump 90 is by the water-soluble liquid pump after apparatus for supercooling 50 cools down
Deliver to water-cooled heat exchanger 20 to carry out heat exchange.
Specifically, in air conditioning system running, can be by water pump 90 by from the water export stream of chiller 50
Water-cooled heat exchanger 20 delivered to by the cooling water pump gone out, and to carry out heat exchange, the temperature of the cooling water after heat exchange raises, stream
Return chiller 50 to cool, then be pumped to water-cooled heat exchanger 20 by water pump 90 and carry out heat exchange, so circulate
Carry out.
According to an embodiment of the present utility model, as shown in Figure 4, at water export and the water pump 90 of chiller 50
Expansion tank 100 it is also provided with swollen to meet volume produced by the variations in temperature carrying out moisturizing or aqueous solution between entrance
Swollen, thus ensure the reliability service of system.
It should be noted that in embodiment of the present utility model, relevant control valve can be configured according to practical situation, specifically
I will not elaborate.
According to the air conditioning system for machine room of the present utility model, by water-cooled heat exchanger, throttle mechanism and vaporizer, make
The high temperature and high pressure gaseous refrigerant that compressor is discharged becomes overheated gaseous refrigerant and returns to compressor, and by controller according to
The pressure at expulsion of compressor controls the rotating speed of blower fan, enters the temperature of the aqueous solution of water-cooled heat exchanger with regulation, so that being
System can adapt to relatively low outdoor temperature requirement, and can the unit of compatible multiple cold scopes, reduce always joining of series machine
Part requirement, standardization is high.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ",
Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " are based on shown in the drawings
Orientation or position relationship, be for only for ease of and describe this utility model and simplify description rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or
The implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or hidden
At least one this feature is included containing ground.In description of the present utility model, " multiple " are meant that at least two, such as two,
Three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area
For technical staff, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper,
Or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " under
Face " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than the
Two features.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be
Any one or multiple embodiment or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out
In conjunction with and combination.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (10)
1. the air conditioning system for machine room, it is characterised in that including:
Compressor；
Water-cooled heat exchanger, the refrigerant inlet of described water-cooled heat exchanger is connected with the air vent of described compressor；
Throttle mechanism, the entrance of described throttle mechanism is connected with the refrigerant exit of described water-cooled heat exchanger；
Vaporizer, the entrance of described vaporizer is connected with the outlet of described throttle structure, and the outlet of described vaporizer is with described
The gas returning port of compressor is connected；
Chiller, described chiller includes blower fan, the water export of described chiller and described water-cooled heat exchanger
Water side entrance is connected, and the flow inlet of described chiller is connected with the water side outlet of described water-cooled heat exchanger；
Pressure detector, described pressure detector is in order to detect the pressure at expulsion of described compressor；
Controller, described controller controls the rotating speed of described blower fan according to the pressure at expulsion of described compressor, enters institute with regulation
State the temperature of the aqueous solution of water-cooled heat exchanger.
2. the air conditioning system for machine room as claimed in claim 1, it is characterised in that also include fan speed regulation device, described
Fan speed regulation device is connected between described blower fan and described controller, and wherein, described controller exports according to described pressure at expulsion
Control signal to described fan speed regulation device, to be regulated the rotating speed of described blower fan by described fan speed regulation device, so that entering described
The temperature of the aqueous solution of water-cooled heat exchanger changes and to enter the water yield of described water-cooled heat exchanger constant.
3. the air conditioning system for machine room as claimed in claim 1 or 2, it is characterised in that the rotating speed of described blower fan and institute
Stating pressure at expulsion is preset ratio relation.
4. the air conditioning system for machine room as claimed in claim 1, it is characterised in that also include temperature sensor and prompting
Device, described temperature sensor in order to detect the temperature of the aqueous solution entering described water-cooled heat exchanger, described temperature sensor and
Described prompting apparatus is connected with described controller respectively, and wherein, the temperature at the aqueous solution entering described water-cooled heat exchanger is less than
During preset temperature, described controller controls described prompting apparatus and sends alarm.
5. the air conditioning system for machine room as claimed in claim 4, it is characterised in that described temperature sensor is arranged on institute
State at the water side entrance of water-cooled heat exchanger.
6. the air conditioning system for machine room as claimed in claim 1, it is characterised in that described chiller is dry calibration
Tower, the rotating speed of described blower fan can step-less adjustment.
7. the air conditioning system for machine room as claimed in claim 1, it is characterised in that described pressure detector is that pressure passes
Sensor, described pressure transducer is arranged at the refrigerant exit of described water-cooled heat exchanger.
8. the air conditioning system for machine room as claimed in claim 1, it is characterised in that the water at described chiller flows out
Being additionally provided with water pump between mouth and the water side entrance of described water-cooled heat exchanger, described water pump will be after described chiller cools down
Aqueous solution be pumped to described water-cooled heat exchanger to carry out heat exchange.
9. the air conditioning system for machine room as claimed in claim 8, it is characterised in that the water at described chiller flows out
It is additionally provided with expansion tank between mouth and the entrance of described water pump and is produced to meet the variations in temperature carrying out moisturizing or described aqueous solution
Volumetric expansion.
10. the air conditioning system for machine room as claimed in claim 1, it is characterised in that described throttle structure is that electronics is swollen
Swollen valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208275.9U CN205641710U (en) | 2016-03-16 | 2016-03-16 | A air conditioning system for computer lab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620208275.9U CN205641710U (en) | 2016-03-16 | 2016-03-16 | A air conditioning system for computer lab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205641710U true CN205641710U (en) | 2016-10-12 |
Family
ID=57077497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620208275.9U Expired - Fee Related CN205641710U (en) | 2016-03-16 | 2016-03-16 | A air conditioning system for computer lab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205641710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465441A (en) * | 2021-06-29 | 2021-10-01 | 青岛海尔空调电子有限公司 | Control method of cooling tower and storage medium |
-
2016
- 2016-03-16 CN CN201620208275.9U patent/CN205641710U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465441A (en) * | 2021-06-29 | 2021-10-01 | 青岛海尔空调电子有限公司 | Control method of cooling tower and storage medium |
| CN113465441B (en) * | 2021-06-29 | 2022-10-28 | 青岛海尔空调电子有限公司 | Control method of cooling tower and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20210316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |