CN106440178A - Cabinet refrigeration system - Google Patents
Cabinet refrigeration system Download PDFInfo
- Publication number
- CN106440178A CN106440178A CN201610914212.XA CN201610914212A CN106440178A CN 106440178 A CN106440178 A CN 106440178A CN 201610914212 A CN201610914212 A CN 201610914212A CN 106440178 A CN106440178 A CN 106440178A
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- Prior art keywords
- air
- controller
- fan
- condensation
- conditioning
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to cabinet refrigeration and discloses a cabinet refrigeration system. The cabinet refrigeration system comprises an air conditioner and a cabinet, wherein the air conditioner has mechanical refrigeration and fresh-air refrigeration functions; one or more bin bodies are arranged in the cabinet; an air supply pipe and an air return pipe are arranged between the air conditioner and the cabinet; the lower parts of the bin bodies communicate with an indoor air inlet of the air conditioner through the air supply pipe; the upper parts of the bin bodies communicate with an indoor air return opening of the air conditioner through the air return pipe; an air supply valve is arranged at the position where the air supply pipe communicates with the lower part of each bin body; a bin temperature sensor is arranged in each bin body and used for detecting the temperature in the bin body; and the bin temperature sensors and the air supply valves are connected with a controller arranged in the air conditioner respectively. The cabinet refrigeration system is based on an improvement on an original cabinet, and ensures that equipment of different operators can be conveniently mounted in the cabinet and the equipment in the cabinet can be conveniently refrigerated by the air conditioner; and the cabinet refrigeration system employs an external natural cold source when the environment temperature condition meets requirements, thereby reducing the refrigeration power consumption and the refrigeration cost and saving electric energy.
Description
Technical field
The present invention relates to rack refrigeration, refers in particular to a kind of rack refrigeration system.
Background technology
Chinese steel tower is machine room that can be for needed for the base station equipment of Ge great operator provides operation（Rack）, steel tower, dynamic
Power and the specialized service provider of environment；The base station equipment of oneself has been given steel tower and has been managed by present three big operation commercial city, because
Joint construction and sharing is needed, original machine room（Rack）The interior base station equipment that can increase other operators, result in original machine room（Machine
Cabinet）On air conditioner refrigerating scarce capacity, and base station equipment is distinctly claimed in temperature to running environment, while Chinese steel tower is required
Remote monitoring is carried out to base station equipment dynamic environment, so machine room（Rack）Air-conditioning upgrade become summer arrive before prevent machine
Room（Rack）One important process of interior high temperature.Existing machine room（Rack）The base station equipment for being inside only an operator provides peace
Binning body, with the increase of operator, if install the base station equipment of Duo Jia operator, then in the warehouse in same warehouse
Environment do not reach service requirement needed for base station equipment, original machine room（Rack）On air conditioner refrigerating scarce capacity, only increase
The power consumption of big air-conditioning is increased refrigeration cost, wastes electric energy freezing.And present a lot of machine rooms（Rack）It is not to adopt air-conditioning
Refrigeration, but freezed using heat exchange or fan, when summer high temperature, machine room（Rack）Internal temperature is unsatisfactory for base station equipment institute
The operating environment requirements for needing.There are now a lot of refrigeration plants to exceed the guarantee period, break down, need repairing replacing.
Content of the invention
It is an object of the invention to：For above-mentioned problem, a kind of rack refrigeration system is provided, the present invention is original
Rack on transformed, be easy in rack the equipment of Duo Jia operator is installed, be easy to air-conditioning to the equipment system in rack
Cold, reduce refrigeration power consumption and refrigeration cost, save electric energy.
The invention discloses a kind of rack refrigeration system, it includes the air-conditioning and inside with mechanical refrigeration and fresh air function
The rack of one or more warehouses is provided with, between the air-conditioning and rack, is provided with air-supply airduct and return air airduct；The air-supply
The bottom of each warehouse is connected by airduct with the indoor air inlet of air-conditioning；The return air airduct is by the top of each warehouse and air-conditioning
Indoor return air mouth connection；The air-supply airduct is provided with blow valve with the bottom connectivity part of each warehouse；Each warehouse described
One is inside provided with for detecting temperature sensor in the storehouse of temperature in storehouse；In the storehouse temperature sensor and blow valve respectively with sky
The controller for arranging in adjusting is connected.
In said structure, multiple warehouses in rack, are provided with, the warehouse is used for mounted base station equipment, and multiple warehouses can
Separate between installing space, and each warehouse for the base station equipment offer of Duo Jia operator, it is to avoid Liao Ge operator base station equipment
Between interfere, beneficial to the operation that base station equipment is effectively stable.In said structure, air-conditioning is by airduct and the return air airduct of blowing
Connect with each warehouse, during mechanical refrigeration pattern, air-conditioning machinery compression refrigerating system is run, the outdoor air of extraneous lower temperature leads to
Crossing outdoor air inlet and switching chamber, condensation chamber is entered, heat exchange is carried out through condenser, become high-temperature gas and arranged by condensation fan
Go out, while compressor operating, coolant is formed kind of refrigeration cycle between condenser, compressor, throttling device, vaporizer, indoor
High-temperature gas enter switching chamber from indoor return air mouth, subsequently into vaporization chamber, after vaporizer heat absorption, become Cryogenic air
Being sent by indoor air inlet by evaporation fan, through airduct of blowing, warehouse is entered, refrigeration cool-down is carried out to storehouse in-vivo device, complete
Become a kind of refrigeration cycle；During fresh air pattern, now refrigeration system is not run, outdoor cold air through outdoor air inlet, vaporization chamber, by
Evaporation fan is sent from the indoor air inlet of air-conditioning, through airduct of blowing, enters warehouse, carries out refrigeration cool-down to storehouse in-vivo device,
Now the temperature of wind rises, and indoor return air mouth of the wind after intensification again through return air airduct, air-conditioning is returned in air conditioner condensation room, by cold
Solidifying blower fan is discharged to outdoor.Air-conditioning can freeze to each warehouse in rack in arbitrary patterns, it is ensured that each warehouse
Required working environment when normally running of interior base station equipment.Due in warehouse arrange storehouse in temperature sensor, air-supply airduct with
The bottom connectivity part of each warehouse is provided with blow valve, and temperature sensor in each storehouse detects the temperature in each warehouse, and will
The temperature value for detecting is sent to controller, when storehouse body temperature sensor detect temperature in certain warehouse higher than controller in
During the temperature threshold of setting, controller controls the blow valve corresponding to the warehouse to open；Make the cold wind of air-conditioning generation or by the external world
The cold wind of introducing can enter in the warehouse from air-supply airduct, carry out separate refrigeration to the warehouse, temperature sensor inspection in through storehouse
Till storehouse body temperature being measured less than or equal to the temperature threshold for setting in controller；Multiple warehouses are detected by temperature sensor
Temperature in storehouse, then carries out separate refrigeration to each warehouse, improves the refrigeration inside warehouse, reduces the refrigeration work(of air-conditioning
Consumption, cold wind is reasonably utilized, is not in that cold wind is sent to unwanted place, causes energy dissipation.And the sky of the present invention
Had fresh air function is adjusted, when using fresh air pattern, as air-conditioning machinery compression refrigerating system is not run, is further subtracted
Few power consumption, saves refrigeration cost.
Further, the air-supply airduct is additionally provided with breeze fan with the bottom connectivity part of each warehouse, the air-supply
Blower fan connection is controlled by controller；The outdoor temperature sensor being provided with outside the air-conditioning for detecting outdoor temperature；Described
Outdoor temperature sensor is connected with controller.
Due to said structure, the bottom connectivity part of blow airduct and each warehouse be additionally provided with breeze fan be in order to by sky
Adjust the cold wind from indoor air inlet out more effective, more rapidly send in each warehouse；When storehouse, body temperature sensor is detected
When temperature in certain warehouse is higher than the temperature threshold for setting in controller, controller controls corresponding blow valve described in the warehouse to beat
Open, breeze fan starts；The cold wind for producing air-conditioning or the cold wind that introduced by the external world under the drive of breeze fan, quickly from
Air-supply airduct is sent in warehouse, carries out separate refrigeration to the warehouse.Outdoor temperature sensor is used for detecting outdoor temperature, and then controls
Air-conditioning processed automatically switches into mechanical refrigeration pattern or fresh air refrigerating pattern；When needing refrigeration inside the warehouse, outdoor temperature is sensed
The outdoor temperature value of device detection, and outdoor temp angle value is sent to controller, if the outdoor temperature that outdoor temperature sensor is detected
In the storehouse that value is detected more than detection sensor in storehouse during temperature value, then controller control air-conditioning is using mechanical refrigeration pattern to storehouse
Internal portion is freezed；If the outdoor temp angle value that outdoor temperature sensor is detected is less than the storehouse that detection sensor in storehouse is detected
During interior temperature value, then controller control air-conditioning is freezed to warehouse inside using fresh air pattern.Outdoor temperature sensor and storehouse
The cooperation of interior temperature sensor, is that the refrigeration of air-conditioning brings facility, is easy to the switching of refrigeration mode, moreover it is possible to make air-conditioning according to need
Will when restart, it is not necessary to when, in holding state, and then save electric energy.
Further, the air-conditioning includes air-conditioner housing, is provided with condensation chamber and vaporization chamber, the condensation chamber in air-conditioner housing
Inside condenser is installed, above the condensation chamber, condensation fan is installed, the condensation chamber is provided with outdoor air outlet；The steaming
Sending out indoor location has vaporizer, is provided with evaporation fan below the vaporization chamber, and the vaporization chamber is provided with indoor air inlet, institute
Formation switching chamber between condensation chamber and vaporization chamber is stated, the switching interior is provided with switch boards, and the both sides of switching chamber are respectively room
Interior return air inlet, outdoor air inlet, are additionally provided with compressor in the air-conditioner housing；The condensation fan, evaporation fan and compressor
It is all connected with being controlled by controller.
Further, the switch boards are rotated switching air channel by the switch motor indoor installed in switching, described cut
Change motor connection and be controlled by controller；When switch boards are switched to and connected outdoor air inlet with condensation chamber, air-conditioning work is in machine
Under tool refrigeration mode, now outdoor air inlet, condensation chamber, condensation fan, outdoor air outlet constitute outdoor air air channel；Indoor time
Air port, vaporization chamber, evaporation fan, indoor air inlet constitute room air air channel；When switch boards switch to by indoor return air mouth with
During condensation chamber connection, air-conditioning work under fresh air pattern, now outdoor air inlet, vaporization chamber, evaporation fan, indoor air inlet structure
Become air intake passage；Indoor return air mouth, condensation chamber, condensation fan, outdoor air outlet constitute air exhaust passage.
In said structure, switch boards are driven by switch motor, switch motor by controller control, can realize air channel from
Dynamic switching, it is to avoid adjust switch boards switching air channel manually；
When needing refrigeration inside the warehouse, if the outdoor temp angle value that outdoor temperature sensor is detected is more than detection sensor in storehouse
In the storehouse for detecting during temperature value, then controller control air-conditioning is freezed to warehouse inside using mechanical compression refrigeration pattern；
Now, controller control switch motor drives switch boards rotation, so that outdoor air inlet is connected with condensation chamber；While controller control
Compressor, evaporation fan and condensation fan start；Air-conditioning is made in mechanical compression refrigeration state.
If temperature in the storehouse that the outdoor temp angle value that outdoor temperature sensor is detected is detected less than detection sensor in storehouse
During value, then controller control air-conditioning is freezed to warehouse inside using fresh air refrigerating pattern；
Now, controller control switch motor drives switch boards rotation, so that outdoor air inlet is connected with vaporization chamber；While controller
Control compressor stopping, evaporation fan and condensation fan operation；Air-conditioning is made in fresh air refrigerating state.
Further, the condensation chamber inlet and vaporization chamber porch are provided with the sealing member for cooperating with switch boards,
The switch boards are when air channel is switched, and the two ends of switch boards can compress sealing member；Pressure sensing is provided with the sealing member
Device；The pressure transducer is connected with controller.
In said structure, condensation chamber inlet and vaporization chamber porch are provided with sealing member, are formed to ensure between air channel
Sealing, it is to avoid the wind between different air channels is interpenetrated, affects refrigeration.Pressure sensor be in order to whether detect switch boards
It is fully contacted with sealing member；While position detecting switch is also potentially acted as, the location status of switch boards are detected；As automatically controlling
The input signal of switch motor start and stop.
Further, the sealing member be elastic sealing element, the sealing member include first seal, second seal,
3rd sealing member and the 4th sealing member, are provided with first pressure sensor in the first seal, arrange in second seal
There is second pressure sensor, in the 3rd sealing member, the 3rd pressure transducer is provided with, in the 4th sealing member, be provided with the 4th pressure
Sensor；The first seal and second seal installed in condensation chamber inlet both sides, the 3rd sealing member and the 4th close
Sealing is installed in evaporation chamber inlet both sides；Switch boards and sealing member contact position, are provided with waveform or zigzag projection；Sealing
Part is provided with setting waveform or zigzag groove with switch boards contact position, and the groove is engaged each other with projection；Described
One pressure transducer, second pressure sensor, the 3rd pressure transducer and the 4th pressure transducer are connected with controller, respectively will
The pressure signal for detecting is sent to controller.
In said structure, when controller control switch motor drives switch boards to make air conditioner refrigerating pattern switching to mechanical refrigeration
During pattern, if the pressure value that first pressure sensor and the 4th pressure transducer are detected is more than the pressure threshold for setting in controller
During value, controller control switch motor quits work；If the pressure that first pressure sensor or the 4th pressure transducer are detected
When being worth less than the pressure threshold for setting in controller, controller control switch motor be rotated further until first pressure sensor and
The pressure value that 4th pressure transducer is detected is more than or equal to till during the pressure threshold for setting in controller；
When controller control switch motor drives switch boards to make air conditioner refrigerating pattern switching to fresh air pattern, if second pressure is passed
When the pressure value that sensor and the 3rd pressure transducer are detected is more than the pressure threshold for setting in controller, controller control switching
Motor quits work；If the pressure value that second pressure sensor or the 3rd pressure transducer are detected is less than setting in controller
During pressure threshold, controller control switch motor is rotated further and detects until second pressure sensor and the 3rd pressure transducer
Pressure value more than or equal to till during the pressure threshold for setting in controller.
Sealing member is elastomeric material, when there is elastic deformation, is easy to pressure transducer detection pressure；Sealing member and switch boards
Contact is engaged using waveform and zigzag mode, can increase the contact area between sealing member and switch boards, strengthens sealing
Effect.
Further, the air-conditioner housing is made up of battenboard；The switch boards, air-supply airduct and return air airduct have every
Hot merit energy.
Further, the switch boards, air-supply airduct and return air airduct are made up of ceramic fibre thermal insulation board.
It is, in order to avoid each interchannel, heat exchange occurs that switch boards are heat-insulated, affects air conditioner refrigerating, air-supply airduct and return air wind
Pipe is heat-insulated be in order to avoid carrying out heat exchange with outside air, affecting the refrigeration in warehouse.Switch boards, air-supply airduct and return air wind
Pipe is made up of ceramic fibre thermal insulation board, and ceramic fibre thermal insulation board has good effect of heat insulation.
Further, on the condensation fan and evaporation fan, condensation fan current detection sensor, steaming are respectively arranged with
Send out blower fan current detection sensor, condensation fan and rotate lap count and evaporation fan rotation lap count；The condensation
Blower fan current detection sensor, evaporation fan current detection sensor, condensation fan rotate lap count and evaporation fan turns
Moving-coil counter is connected with controller；The controller is connected with long distance control system also by the mode of wireless network, institute
State long distance control system and can receive the alarm signal that control device sends.
The condensation fan current detection sensor is used for detecting the working current value of condensation fan, and by the work for detecting
Controller is sent to as current value；When condensation fan current detection sensor detects the working current value of condensation fan more than control
During the condensation fan trouble free service current value for setting in device processed, main controller control condensation fan quits work, while supervising to long-range
Control system sends the excessive alarm signal of condensation fan operating current；
The evaporation fan current detection sensor is used for detecting the working current value of evaporation fan, and the work for detecting is electric
Flow valuve is sent to controller；When condensation fan current detection sensor detects the working current value of evaporation fan more than controller
During the evaporation fan trouble free service current value of interior setting, main controller control evaporation fan quits work, while to remote monitoring system
System sends out the excessive alarm signal of evaporation fan operating current；
The condensation fan rotates lap count to be used for adding up the condensation fan rotation number of turns, and the condensation fan rotation number of turns is deposited
Storage is rotated in lap count in condensation fan, when condensation fan rotates the condensation fan rotation number of turns for storing in lap count
When rotating number of turns threshold value more than the condensation fan for setting in controller, controller sends condensation fan maintenance alarm signal to long-range
Monitoring system；While the condensation fan of condensation fan enumerator memory storage rotates number of turns clearing.
The evaporation fan rotates lap count and is used for adding up evaporation fan and rotates the number of turns, and by evaporation fan turning collar
Number is stored in evaporation fan and rotates in lap count, when evaporation fan rotates the evaporation fan rotation for storing in lap count
When the number of turns rotates number of turns threshold value more than the evaporation fan for setting in controller, controller send evaporation fan maintenance alarm signal to
Long distance control system；While the evaporation fan of evaporation fan enumerator memory storage rotates number of turns clearing.
In said structure, due to the presence of long distance control system, refrigeration system internal unit breaks down can be timely
Long distance control system is sent to, is easy to maintenance and maintenance of the staff to refrigeration system.The present invention is rotated using evaporation fan
Lap count and condensation fan rotate lap count to count the usage frequency of condensation fan and evaporation fan；If condensating wind
Machine and evaporation fan often work, and need the cycle time for overhauling which just short, and it is faster that the count value in enumerator adds up, then
The time for sending alarm signal of controller is shorter, if condensation fan and evaporation fan infrequently work, needs to overhaul which
Cycle time is just long, and it is slow that the count value in enumerator adds up, then the time for sending alarm signal of controller is longer.This sample prescription
Just maintainer is regularly safeguarded to refrigeration system.
Further, the long distance control system includes remote master and the display being connected on remote master
Screen, alarm and control button；The remote master is connected with the controller inside air-conditioning by way of radio communication
And receive its alarm signal for sending over；The display screen being capable of the alarm signal that sends over of display controller；The report
Alert device is audible-visual annunciator, can to send sound and light alarm signal；The control button can be in setting controller each threshold value ginseng
Number, control alarm stop alarm.
Long distance control system conveniently from the running status of remote monitoring refrigeration system, is reported to the police in remote monitoring room
Device adopts sound and light alarm, is easy to more eye-catching prompting monitoring personnel, the presence of control button, can according to the actual needs, side
Just monitoring personnel temperature threshold from afar in the setup control phase, pressure threshold, condensation fan trouble free service electric current, evaporation fan
Trouble free service electric current, evaporation fan rotate number of turns threshold value, condensation fan and rotate number of turns threshold value, are conveniently adjusted the work of refrigeration system
State.
In sum, due to employing technique scheme, the invention has the beneficial effects as follows：
The inside of existing rack is transformed by the present invention, is transformed into multiple warehouses so as to can be applied to and install many operations
The base station equipment of business, corresponds to a rack compared to previous air-conditioning equipment, and cost can save 15% ~ 30%；Energy of the present invention
Enough warehouses different to rack carry out accurate air-feeding, and compared to existing refrigeration system, its refrigeration is more preferable, and saves electric energy,
Reduce refrigeration power consumption；The refrigeration system of the present invention has fresh air function, is freezed using fresh air function, can save electric energy 83% ~
89%.
Description of the drawings
Fig. 1 is schematic diagram of the present invention under fresh air refrigerating pattern；
Fig. 2 is schematic diagram of the present invention under mechanical refrigeration pattern；
Fig. 3 is the external structure of the present invention；
Fig. 4 is the cabinet inner structure figure of the present invention；
Fig. 5 is the air-supply airduct of the present invention and the cut-away view of return air airduct；
Fig. 6 is the installation site graph of a relation of sealing member；
Fig. 7 is the control structure figure of inventive refrigeration system.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and the embodiments,
The present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only in order to explain this
Bright, it is not intended to limit the present invention.
The invention discloses a kind of rack refrigeration system, it includes that the air-conditioning 1 with fresh air function and inside are provided with one
Or the rack of multiple warehouses 23, air-supply airduct 15 and return air airduct 16 is provided between the air-conditioning 1 and rack；The air-supply wind
The bottom of each warehouse 23 is connected by pipe 15 with the indoor air inlet 14 of air-conditioning 1；
In present embodiment, in rack, the number of warehouse 23 is using 3, then will open up three air-supply outlets on air-supply airduct 15
With an air-supply entrance, each air-supply outlet connected with the bottom of each warehouse 23；The air-supply entrance and indoor air inlet 14
Connection；
The top of each warehouse 23 is connected by the return air airduct 16 with the indoor return air mouth 9 of air-conditioning 1；In present embodiment, machine
In cabinet, the number of warehouse 23 is using 3, then will open up three return air inlet 26 and a return air outlet, institute on return air airduct 16
State return air outlet to connect with indoor return air mouth, the return air inlet is connected with 23 top of warehouse；
The air-supply airduct 15 is provided with blow valve 25 with the bottom connectivity part of each warehouse 23；It is provided with each warehouse 23 described
One is used for detecting temperature sensor 24 in the storehouse of temperature in storehouse；In the storehouse temperature sensor 24 and blow valve 25 respectively with sky
The controller 11 for arranging in 1 is adjusted to be connected.Number due to warehouse 23 in rack is 3, then temperature sensing in blow valve 25 and storehouse
The number of device 24 is also 3 and is all connected with controller 11.Blow valve 25 is arranged on air-supply air duct blow exit.
During the temperature threshold for setting when the temperature that storehouse body temperature sensor is detected in certain warehouse is interior higher than controller 11,
Controller 11 controls the blow valve corresponding to the warehouse to open；The cold wind for enabling air-conditioning 1 to produce enters the storehouse from air-supply airduct 15
In vivo, separate refrigeration is carried out, temperature sensor in through storehouse detects storehouse body temperature less than or equal to controller 11 to the warehouse
Till the temperature threshold of interior setting, then controller 11 controls blow valve cut out.
The air-supply airduct 15 is additionally provided with breeze fan with the bottom connectivity part of each warehouse 23, and the breeze fan is even
Connect and be controlled by controller 11；The number of the breeze fan is 3；It is provided with for detecting outdoor temperature outside the air-conditioning 1
Outdoor temperature sensor；The outdoor temperature sensor is connected with controller 11.
The air-conditioning 1 includes air-conditioner housing, is provided with condensation chamber 2 and vaporization chamber 3 in air-conditioner housing, peace in the condensation chamber 2
Equipped with condenser 4,2 top of the condensation chamber is provided with condensation fan 8, and the condensation chamber is provided with outdoor air outlet 12；Described
Vaporizer 5 is installed in vaporization chamber 3,3 lower section of the vaporization chamber is provided with evaporation fan 13, and the vaporization chamber 3 is provided with interior
Air inlet 14, forms switching chamber 6, is provided with switch boards 7 in the switching chamber 6 between the condensation chamber 2 and vaporization chamber 3, switching
The both sides of room 6 are respectively indoor return air mouth 9, outdoor air inlet 10, are additionally provided with compressor 22 in the air-conditioner housing；The condensation
Blower fan 8, evaporation fan 13 and compressor 22 are all connected with being controlled by controller 11.
The switch boards 7 are rotated switching air channel by the switch motor in switching chamber 6, and the switch motor is even
Connect and be controlled by controller 11；When switch boards 7 are switched to and connected outdoor air inlet 10 with condensation chamber 2, air-conditioning 1 is operated in machinery
Under refrigeration mode, now outdoor air inlet 10, condensation chamber 2, condensation fan 8, outdoor air outlet 12 constitute outdoor air air channel；Room
Interior return air inlet 9, vaporization chamber 3, evaporation fan 13, indoor air inlet 14 constitute room air air channel；When switch boards 7 are switched to room
When interior return air inlet 9 is connected with condensation chamber 2, air-conditioning 1 is operated under fresh air pattern, now outdoor air inlet 10, vaporization chamber 3, evaporation
Blower fan 13, indoor air inlet 14 constitute air intake passage；Indoor return air mouth 9, condensation chamber 2, condensation fan 8, outdoor 12 structure of air outlet
Become air exhaust passage.
During the temperature threshold for setting when the temperature that storehouse body temperature sensor is detected in certain warehouse is interior higher than controller 11,
Controller 11 controls corresponding blow valve described in the warehouse to open, breeze fan startup；Make the cold wind of the generation of air-conditioning 1 or drawn by the external world
The cold wind for entering quickly is sent in warehouse from air-supply airduct 15, carries out separate refrigeration to the warehouse under the drive of breeze fan.
Outdoor temperature sensor is used for detecting outdoor temperature, and then controls air-conditioning 1 to automatically switch into mechanical compression refrigeration pattern or fresh air
Pattern；When needing refrigeration inside the warehouse, the outdoor temperature value of outdoor temperature sensor detection, and outdoor temp angle value is sent to control
Device processed 11, if the outdoor temp angle value that outdoor temperature sensor is detected is more than temperature value in the storehouse that in storehouse, detection sensor is detected
When, then controller 11 controls air-conditioning 1 to freeze warehouse inside using mechanical compression refrigeration pattern；Now switch boards 7 are in
Position in Fig. 2, the outdoor air of extraneous lower temperature enters switching chamber 6, condensation chamber 2 by outdoor air inlet 10, through supercool
Condenser 4 carries out heat exchange, becomes high-temperature gas and is discharged by condensation fan 8, while compressor 22 works, by coolant condenser 4,
Kind of refrigeration cycle is formed between compressor 22, throttling device, vaporizer 5, the high-temperature gas in rack warehouse 23 is from indoor return air mouth 9
Enter switching chamber 6, subsequently into vaporization chamber 3, after vaporizer 5 absorbs heat, become Cryogenic air by evaporation fan 13 by room
Interior air inlet is sent, and through airduct of blowing, enters warehouse 23, carries out refrigeration cool-down to equipment in warehouse 23, complete a refrigeration and follow
Ring；
If in the storehouse that the outdoor temp angle value that outdoor temperature sensor is detected is detected less than detection sensor in storehouse during temperature value,
Then controller 11 controls air-conditioning 1 to freeze warehouse inside using fresh air pattern.
During fresh air pattern, air-conditioning machinery compression refrigerating system is not run, and switch boards 7 are in the position shown in Fig. 1, outdoor cold
Air through outdoor air inlet 10, vaporization chamber 3, sent from the indoor air inlet 14 of air-conditioning by evaporation fan 13, through airduct 15 of blowing,
Enter warehouse, refrigeration cool-down is carried out to storehouse in-vivo device, now wind temperature rise, the wind after intensification again through return air airduct 16,
The indoor return air mouth 9 of air-conditioning is returned in air conditioner condensation chamber 2, by condensation fan 8, is discharged through outdoor air outlet 12, is completed fresh air system
SAPMAC method.During this, compressor, vaporizer 5, condenser 4 all do not work, and, condensation fan 8 is under the control of controller 11
Rotating speed adjustable, keep storehouse in all the time be in barotropic state, it is to avoid outside air pollution.
In said structure, switch boards 7 are driven by switch motor, and switch motor is controlled by controller 11, can realize air channel
Automatically switch, it is to avoid adjust switch boards 7 manually and switch air channel；
When needing refrigeration inside the warehouse, if the outdoor temp angle value that outdoor temperature sensor is detected is more than detection sensor in storehouse
In the storehouse for detecting during temperature value, then controller 11 controls air-conditioning 1 using mechanical compression refrigeration pattern to warehouse inside system
Cold；Now, controller 11 controls switch motor to drive switch boards 7 to rotate, and so that outdoor air inlet 10 is connected with condensation chamber 2；Simultaneously
Controller 11 controls evaporation fan 13 and condensation fan 8 to start；Air-conditioning 1 is made in mechanical compression refrigeration state.
If temperature in the storehouse that the outdoor temp angle value that outdoor temperature sensor is detected is detected less than detection sensor in storehouse
During value, then controller 11 controls air-conditioning 1 to freeze warehouse inside using fresh air refrigerating pattern；
Now, controller 11 controls switch motor to drive switch boards 7 to rotate, and so that outdoor air inlet 10 is connected with vaporization chamber 3；Simultaneously
Controller 11 controls compressor out of service, and evaporation fan 13 and condensation fan 8 run；Air-conditioning 1 is made in fresh air refrigerating state.
2 entrance of the condensation chamber and 3 porch of vaporization chamber are provided with the sealing member for cooperating with switch boards 7, described cut
Plate 7 is changed when air channel is switched, the two ends of switch boards 7 can compress sealing member；Pressure transducer is provided with the sealing member；Institute
State pressure transducer to be connected with controller 11.
The sealing member is elastic sealing element, is made up of rubber；The sealing member includes that first seal 18, second is sealed
Part 19, the 3rd sealing member 20 and the 4th sealing member 21, are provided with first pressure sensor in the first seal 18, and second is close
Second pressure sensor is provided with envelope 19, is provided with the 3rd pressure transducer, the 4th sealing member 21 in the 3rd sealing 20
Fourth pressure transducer is inside provided with；The first seal 18 and second seal 19 are arranged on 2 entrance both sides of condensation chamber, institute
The 3rd sealing member 20 and the 4th sealing member 21 are stated installed in 3 entrance both sides of vaporization chamber；Switch boards 7 and sealing member contact position, are arranged
There are waveform or zigzag projection；Sealing member is provided with setting waveform or zigzag groove, institute with 7 contact position of switch boards
State groove to engage each other with projection；The first pressure sensor, second pressure sensor, the 3rd pressure transducer and the 4th pressure
Force transducer is connected with controller 11, respectively the pressure signal for detecting is sent to controller 11.
When controller 11 controls switch motor to drive switch boards 7 to make 1 refrigeration mode of air-conditioning be switched to mechanical refrigeration pattern,
If the pressure value that first pressure sensor and the 4th pressure transducer are detected is more than the pressure threshold for setting in controller 11,
Controller 11 controls switch motor to quit work；If the pressure value that first pressure sensor or the 4th pressure transducer are detected is little
During the pressure threshold for setting in the controller 11, controller 11 control switch motor to work on until first pressure sensor and
The pressure value that 4th pressure transducer is detected is more than or equal to till during the pressure threshold for setting in controller 11；
When controller 11 controls switch motor to drive switch boards 7 to make 1 refrigeration mode of air-conditioning be switched to fresh air refrigerating pattern, if the
When the pressure value that two pressure transducers and the 3rd pressure transducer are detected is more than the pressure threshold for setting in controller 11, control
Device 11 controls switch motor to quit work；If the pressure value that second pressure sensor or the 3rd pressure transducer are detected is less than control
During the pressure threshold for setting in device processed 11, controller 11 controls switch motor to work on until second pressure sensor and the 3rd
The pressure value that pressure transducer is detected is more than or equal to till during the pressure threshold for setting in controller 11；
The sealing member is the sealing strip of rectangular triangle, and one right-angle side is used for fixedly mounting sealing strip, and hypotenuse with cut
Change plate 7 to contact, on hypotenuse, offer waveform or zigzag groove；
1 housing of the air-conditioning is made up of battenboard；The switch boards 7, air-supply airduct 15 and return air airduct 16 are with heat insulating function.
The switch boards 7, air-supply airduct 15 and return air airduct 16 are made up of ceramic fibre thermal insulation board.
It is, in order to avoid each interchannel, heat exchange occurs that switch boards 7 are heat-insulated, and impact air-conditioning 1 freezes, and blows airduct 15 and returns
Wind airduct 16 is heat-insulated be in order to avoid carrying out heat exchange with outside air, affecting the refrigeration in warehouse 23.
8 current detection sensor of condensation fan, evaporation fan is respectively arranged with the condensation fan 8 and evaporation fan 13
13 current detection sensors, condensation fan 8 rotate lap count and evaporation fan 13 rotates lap count；The condensating wind
8 current detection sensor of machine, 13 current detection sensor of evaporation fan, condensation fan 8 rotate lap count and evaporation fan
13 rotation lap count are connected with controller 11；The controller 11 is also by mode and the long distance control system of wireless network
It is connected, the long distance control system can receive the alarm signal that control device sends.
8 current detection sensor of the condensation fan is used for detecting the working current value of condensation fan 8, and will detect
Working current value is sent to controller 11；When 8 current detection sensor of condensation fan detects the working current value of condensation fan 8
During more than the 8 trouble free service current value of condensation fan for setting in controller 11, main controller control condensation fan 8 quits work, with
When send the excessive alarm signal of 8 operating current of condensation fan to long distance control system；
13 current detection sensor of the evaporation fan is used for detecting the working current value of evaporation fan 13, and by the work for detecting
Controller 11 is sent to as current value；When 8 current detection sensor of condensation fan detects the working current value of evaporation fan 13
During more than the 13 trouble free service current value of evaporation fan for setting in controller 11, main controller control evaporation fan 13 quits work,
While sending out the excessive alarm signal of 13 operating current of evaporation fan to long distance control system；
The condensation fan 8 rotates lap count to be used for adding up condensation fan 8 rotating the number of turns, and by 8 turning collar of condensation fan
Number is stored in condensation fan 8 and rotates in lap count, when condensation fan 8 rotates the condensation fan 8 for storing in lap count
When rotating the number of turns more than the rotation number of turns threshold value of condensation fan 8 for setting in controller 11, controller 11 sends condensation fan 8 and overhauls
Alarm signal is to long distance control system；While the condensation fan 8 of 8 enumerator memory storage of condensation fan rotates number of turns clearing.
The evaporation fan 13 rotates lap count to be used for adding up evaporation fan 13 rotating the number of turns, and by evaporation fan 13
Rotate the number of turns to be stored in the rotation lap count of evaporation fan 13, when evaporation fan 13 rotates the steaming for storing in lap count
When sending out blower fan 13 and rotating the number of turns and rotate number of turns threshold value more than the evaporation fan 13 for setting in controller 11, controller 11 sends evaporation
Blower fan 13 overhauls alarm signal to long distance control system；While 13 turning collar of evaporation fan of 13 enumerator memory storage of evaporation fan
Number resets.
In said structure, due to the presence of long distance control system, refrigeration system internal unit breaks down can be timely
Long distance control system is sent to, is easy to maintenance and maintenance of the staff to refrigeration system.The present invention adopts 13 turns of evaporation fan
Moving-coil counter and condensation fan 8 rotate lap count to count the usage frequency of condensation fan 8 and evaporation fan 13；If
Condensation fan 8 and evaporation fan 13 often work, and need the cycle time for overhauling which just short, and the count value in enumerator adds up
Faster, then the time for sending alarm signal of controller 11 is shorter, if condensation fan 8 and evaporation fan 13 infrequently work,
Need the cycle time for overhauling which just long, accumulative slow of the count value in enumerator, then controller 11 send alarm signal
Time longer.Maintainer is so facilitated regularly to safeguard refrigeration system.
The long distance control system includes remote master and the display screen being connected on remote master, alarm
And control button；The remote master is connected and receives with the controller 11 inside air-conditioning 1 by way of radio communication
Its alarm signal for sending over；The display screen being capable of the alarm signal that sends over of display controller 11；The alarm
For audible-visual annunciator, sound and light alarm signal can be sent；The control button can be in setting controller 11 each threshold parameter,
Control alarm stop alarm.
Long distance control system conveniently from the running status of remote monitoring refrigeration system, is reported to the police in remote monitoring room
Device adopts sound and light alarm, is easy to more eye-catching prompting monitoring personnel, the presence of control button, can according to the actual needs, side
Just monitoring personnel temperature threshold from afar in the setup control phase, pressure threshold, 8 trouble free service electric current of condensation fan, evaporation wind
13 trouble free service electric current of machine, evaporation fan 13 rotate number of turns threshold value, condensation fan 8 and rotate number of turns threshold value, are conveniently adjusted refrigeration system
The working condition of system.
The controller and remote master device are single-chip microcomputer or PLC.
In the present invention, different types of base station equipment can be set in warehouse, as needed can be by temperature in battery compartment body
Degree control is at 10 DEG C ~ 28 DEG C, and equipment compartment body temperature controls at -5 DEG C ~ 30 DEG C；Power storehouse body temperature controls at 0 DEG C ~ 35 DEG C.
The better embodiment of the present invention is the foregoing is only, not in order to limit the present invention, all the present invention's
Any modification, equivalent and improvement that is made within spirit and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of rack refrigeration system, it is characterised in that：It includes the air-conditioning with mechanical compression refrigeration and fresh air function（1）With
Inside is provided with one or more warehouses（23）Rack, the air-conditioning（1）Air-supply airduct is provided with and rack between（15）With return
Wind airduct（16）；The air-supply airduct（15）By each warehouse（23）Bottom and air-conditioning（1）Indoor air inlet（14）Connection；
The return air airduct（16）By each warehouse（23）Top and air-conditioning（1）Indoor return air mouth（9）Connection；The air-supply airduct
（15）With each warehouse（23）Bottom connectivity part be provided with blow valve（25）；Each warehouse described（23）Inside be provided with one for
Temperature sensor in the storehouse of temperature in detection storehouse（24）；Temperature sensor in the storehouse（24）And blow valve（25）Respectively with air-conditioning
（1）The controller of interior setting（11）It is connected.
2. a kind of rack refrigeration system according to claim 1, it is characterised in that：The air-supply airduct（15）With each storehouse
Body（23）Bottom connectivity part be additionally provided with breeze fan, breeze fan connection is controlled by controller（11）；The air-conditioning
（1）Outside is provided with the outdoor temperature sensor for detecting outdoor temperature（17）；The outdoor temperature sensor（17）With control
Device processed（11）It is connected.
3. a kind of rack refrigeration system according to claim 1 and 2, it is characterised in that：The air-conditioning（1）Including air-conditioning shell
Body, is provided with condensation chamber in air-conditioner housing（2）And vaporization chamber（3）, the condensation chamber（2）Condenser is inside installed（4）, the condensation
Room（2）Top is provided with condensation fan（8）, the condensation chamber is provided with outdoor air outlet（12）；The vaporization chamber（3）Interior installation
There is vaporizer（5）, the vaporization chamber（3）Lower section is provided with evaporation fan（13）, the vaporization chamber（3）It is provided with indoor air inlet
（14）, the condensation chamber（2）And vaporization chamber（3）Between formed switching chamber（6）, the switching chamber（6）Switch boards are inside installed
（7）, switching chamber（6）Both sides be respectively indoor return air mouth（9）, outdoor air inlet（10）, in the air-conditioner housing, it is additionally provided with pressure
Contracting machine（22）；The condensation fan（8）, evaporation fan（13）And compressor（22）It is all connected with being controlled by controller（11）.
4. a kind of rack refrigeration system according to claim 3, it is characterised in that：The switch boards（7）Cut by being arranged on
Change room（6）Interior switch motor is rotated switching air channel, and the switch motor connection is controlled by controller（11）；Work as switch boards
（7）Switch to outdoor air inlet（10）With condensation chamber（2）During connection, air-conditioning（1）It is operated under mechanical refrigeration pattern, now room
External air inlet port（10）, condensation chamber（2）, condensation fan（8）, outdoor air outlet（12）Constitute outdoor air air channel；Indoor return air mouth
（9）, vaporization chamber（3）, evaporation fan（13）, indoor air inlet（14）Constitute room air air channel；Work as switch boards（7）Switching to will
Indoor return air mouth（9）With condensation chamber（2）During connection, air-conditioning（1）It is operated under fresh air pattern, now outdoor air inlet（10）, steam
Send out room（3）, evaporation fan（13）, indoor air inlet（14）Constitute air intake passage；Indoor return air mouth（9）, condensation chamber（2）, condensation
Blower fan（8）, outdoor air outlet（12）Constitute air exhaust passage.
5. a kind of rack refrigeration system according to claim 4, it is characterised in that：The condensation chamber inlet and vaporization chamber enter
It is provided with and switch boards at mouthful（7）The sealing member for cooperating, the switch boards（7）When air channel is switched, switch boards（7）Two
End can compress sealing member；Pressure transducer is provided with the sealing member；The pressure transducer and controller（11）It is connected.
6. a kind of rack refrigeration system according to claim 5, it is characterised in that：The sealing member is elastic sealing element,
The sealing member includes first seal（18）, second seal（19）, the 3rd sealing member（20）With the 4th sealing member（21）, institute
State first seal（18）First pressure sensor, second seal are inside provided with（19）Second pressure sensor is inside provided with,
3rd sealing member（20）Threeth pressure transducer, fourth sealing member are inside provided with（21）Fourth pressure transducer is inside provided with；Institute
State first seal（18）And second seal（19）Installed in condensation chamber inlet both sides, the 3rd sealing member（20）With the 4th
Sealing member（21）Installed in evaporation chamber inlet both sides；Switch boards（7）With sealing member contact position, waveform or zigzag is provided with
Raised；Sealing member is provided with waveform or zigzag groove with switch boards contact position, and the groove is engaged each other with projection；Institute
State first pressure sensor, second pressure sensor, the 3rd pressure transducer and the 4th pressure transducer and controller（11）Phase
Even.
7. a kind of rack refrigeration system according to claim 6, it is characterised in that：The air-conditioning（1）Housing is by battenboard
Make；The switch boards（7）, air-supply airduct（15）With return air airduct（16）With heat insulating function.
8. a kind of rack refrigeration system according to claim 7, it is characterised in that：The switch boards（7）, air-supply airduct
（15）With return air airduct（16）It is made up of ceramic fibre thermal insulation board.
9. a kind of rack refrigeration system according to claim 8, it is characterised in that：The condensation fan（8）With evaporation wind
Condensation fan current detection sensor, evaporation fan current detection sensor, condensation fan rotation is respectively arranged with machine (13)
Lap count and evaporation fan rotate lap count；The condensation fan current detection sensor, the inspection of evaporation fan electric current
Survey sensor, condensation fan and rotate lap count and evaporation fan rotation lap count and controller（11）It is connected；Described
Controller（11）Mode also by wireless network is connected with long distance control system, and the long distance control system can receive control device
The alarm signal for sending.
10. a kind of rack refrigeration system according to claim 9, it is characterised in that：The long distance control system includes far
Journey master controller and the display screen, alarm and the control button that are connected on remote master；The remote master leads to
The controller that crosses inside the mode of radio communication and air-conditioning（11）It is connected and receives its alarm signal for sending over；The display
Screen being capable of display controller（11）The alarm signal for sending over；The alarm is audible-visual annunciator, can send acousto-optic report
Alert signal；The control button being capable of setting controller（11）Interior each threshold parameter, control alarm stop alarm.
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| CN201610914212.XA CN106440178B (en) | 2016-10-20 | 2016-10-20 | A kind of cabinet refrigeration system |
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| CN201610914212.XA CN106440178B (en) | 2016-10-20 | 2016-10-20 | A kind of cabinet refrigeration system |
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| CN106440178B CN106440178B (en) | 2019-02-05 |
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| CN108901189A (en) * | 2018-09-10 | 2018-11-27 | 南京吉左网络科技股份有限公司 | A kind of cooling equipment of double cold sources of network cabinet |
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