CN219108053U - Air-water cooling heat exchange device and system - Google Patents

Air-water cooling heat exchange device and system Download PDF

Info

Publication number
CN219108053U
CN219108053U CN202223097861.5U CN202223097861U CN219108053U CN 219108053 U CN219108053 U CN 219108053U CN 202223097861 U CN202223097861 U CN 202223097861U CN 219108053 U CN219108053 U CN 219108053U
Authority
CN
China
Prior art keywords
air
water
frequency converter
water cooling
air duct
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.)
Active
Application number
CN202223097861.5U
Other languages
Chinese (zh)
Inventor
王航
杨辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiaochi Electric Co ltd
Original Assignee
Xiaochi Electric Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiaochi Electric Co ltd filed Critical Xiaochi Electric Co ltd
Priority to CN202223097861.5U priority Critical patent/CN219108053U/en
Application granted granted Critical
Publication of CN219108053U publication Critical patent/CN219108053U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model discloses an air-water cooling heat exchange device and an air-water cooling heat exchange system. According to the utility model, the air-water cooling control system is connected to the frequency converter body, the frequency converter body can adjust the air-water cooling heat dissipation power in real time according to the running power and heating condition of the frequency converter body, so that the purpose of saving energy is achieved, meanwhile, when the air-water cooling cabinet body fails, the inflow of cooling water can be cut off, leakage water is prevented from penetrating into the frequency converter chamber to damage the high-voltage frequency converter, the automatic switching of air-water cooling heat dissipation and forced air cooling heat dissipation of the frequency converter body is realized through arranging the emergency window, the switching air door and other components, when the air-water cooling equipment fails and maintenance personnel are not on site, the equipment can automatically switch the heat dissipation mode, the frequency converter can be operated in emergency without stopping, and production is not influenced.

Description

Air-water cooling heat exchange device and system
Technical Field
The utility model belongs to the field of air-water cooling heat exchange, and particularly relates to an air-water cooling heat exchange device and system.
Background
The heat dissipation mode of the high-voltage frequency converter mainly comprises three modes of natural cooling and forced air cooling and water cooling. With the wide application and development of high-voltage frequency converters, the capacity of high-voltage frequency conversion is continuously improved, forced air cooling is affected by the heat dissipation area, the ambient temperature, the use environment of the frequency converter, the fan body quantity, noise and the like, and the heat dissipation requirement of the high-power frequency converter cannot be met.
The air-water cooling system has excellent heat dissipation performance and reliability, has strong environmental adaptability, is mainly applied to areas with lack of water sources, poor water quality, severe environment and higher temperature, and is widely applied to high-voltage high-power transformation equipment in the industries of electric power, steel, cement coal mines, chemical industry, petroleum and metallurgical wind.
The high-voltage frequency converter adopts the air-water cooling device, so that the integral energy-saving effect of the high-voltage frequency converter is improved, the total investment of projects is reduced, and a more efficient and energy-saving effective way is provided for solving the density heat dissipation problem of high-power and ultra-high-power equipment.
However, the existing air-water cooling device system in the market is rigid in operation, the heat dissipation power cannot be automatically adjusted along with the change of the working condition of the high-voltage frequency converter, energy is wasted, and the linkage with the high-voltage frequency converter is not strong; meanwhile, the stability of the air-water cooling device system is not high, and when the device fails, for example: the fan is stopped, the heat exchanger leaks, and the like, and after the device can not dissipate heat, the high-voltage frequency converter can be stopped due to overheating, so that the production is stopped directly. The air-water cooling device cannot be reworked before maintenance, and huge loss is caused to a user.
Therefore, there is a need to improve the structure of the existing air-water cooling device, overcome the existing design defect, and design an intelligent air-water cooling device and system which can be linked with a high-voltage frequency converter, save energy and have high stability.
Disclosure of Invention
Aiming at the problems in the background art, the utility model aims to provide an air-water cooling heat exchange device and an air-water cooling heat exchange system, so as to solve the problems that the air-water cooling device system in the prior art is rigid in operation, the heat dissipation power cannot be automatically adjusted along with the change of the working condition of a high-voltage frequency converter, energy is wasted, the linkage with the high-voltage frequency converter is not strong, and meanwhile, the stability of the air-water cooling device system is not high.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a sky water-cooling heat transfer device and system, includes between the equipment, the inside between the equipment is provided with the converter body, the upper end of converter body is provided with the fan housing, the inside of fan housing is provided with the cabinet top fan, the right side of fan housing is connected with the hot air duct, the one end in hot air duct runs through between the equipment, the inside of hot air duct is provided with the air door, the lower extreme right side in hot air duct is connected with cold wind channel, the one end in cold wind channel is connected with the sky water freezer body, the inside of the sky water freezer body is provided with the heat exchanger, the positive upper end in sky water freezer body is provided with the inlet tube, the outer wall of inlet tube is provided with the solenoid valve, the inlet tube is connected with the heat exchanger, the positive lower extreme in sky water freezer body is provided with the outlet pipe, the outlet pipe is connected with the outlet, the upper end of water tray inner wall is provided with the overflow mouth, the overflow mouth runs through the sky water freezer body, the one end is provided with the air outlet control window, the air outlet control mechanism is provided with the air duct, the inside is provided with the air duct, the air outlet control mechanism is provided with the air duct, the inside is provided with the air outlet opening.
Further, as the preferred technical scheme, control mechanism includes motor, screw rod and thread groove, the motor sets up the upper end between equipment, the output at the screw rod is connected, the lower extreme of screw rod stretches into the inside of spout, the upper end of screw rod outer wall is provided with locating component, the upper end at the baffle is seted up in the thread groove, the lower extreme threaded connection of screw rod is in the inside of thread groove, the lower extreme of baffle outer wall is provided with spacing subassembly.
Further, as the preferable technical scheme, the positioning assembly comprises a positioning block and a positioning groove, the positioning block is arranged at the upper end of the outer wall of the screw, the positioning groove is formed in the upper end of the inside of the chute, and the positioning block is rotationally connected in the inside of the positioning groove.
Further, as the preferred technical scheme, spacing subassembly includes stopper and spacing groove, the stopper sets up the lower extreme at the baffle outer wall, the inner wall at emergent window is seted up to the spacing groove, stopper sliding connection is in the inside of spacing groove.
Further, as the preferable technical scheme, the intelligent control system comprises a central control unit, wherein the central control unit is arranged in the frequency converter body, the central control unit is electrically connected with a cabinet top fan, an air door, a heat exchanger, an axial flow fan, an electromagnetic valve, a one-way valve and a motor respectively through the frequency converter body, the cabinet top fan, the one-way valve, the axial flow fan and ventilation are all provided with detection modules, the detection modules are electrically connected with the central control unit, and an alarm module is arranged in the central control unit.
In summary, the utility model has the following advantages:
firstly, an air-water cooling control system is connected into a frequency converter body, the frequency converter body can adjust the air-water cooling heat dissipation power in real time according to the running power and heating condition of the frequency converter body, so that the purpose of saving energy is achieved, meanwhile, when the air-water cooling cabinet body fails, the inflow of cooling water can be cut off, leaked water is prevented from penetrating into a frequency converter chamber to damage a high-voltage frequency converter, the automatic switching of air-water cooling heat dissipation and forced air cooling heat dissipation of the frequency converter body is realized through arranging an emergency window, a switching air door and other components, when the air-water cooling equipment fails and maintenance personnel are not on site, the equipment can automatically switch heat dissipation modes, the frequency converter can be operated in emergency without stopping, and production is not affected;
secondly, through switching in empty water cooling plant control system converter system, make the operation that the converter can adjust empty water cooling plant according to self running condition, after the access system, empty water cooling system can reach remote alarm and remote control's purpose with the help of the relevant control module of converter body, maintenance personnel's work load has been reduced, emergency window and conversion air door's application simultaneously, make whole cooling system stability improve, even if empty water cooling plant trouble, can guarantee equally that the urgent operation of converter body is not shut down, the unplanned down time of converter body has been reduced, converter body down time has also been reduced when empty water cooling plant overhauls simultaneously.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;
FIG. 4 is an enlarged view of portion B of FIG. 2 in accordance with the present utility model;
FIG. 5 is a diagram of an operating system of the present utility model;
FIG. 6 is a power saving perspective view of the present utility model;
fig. 7 is a diagram of an emergency system of the present utility model.
Reference numerals: 1. the device room, 2, a frequency converter body, 3, a cabinet top fan, 4, a fan housing, 41, a hot air duct, 42, an air door, 43, a cold air duct, 5, an air-water cooling cabinet body, 51, a heat exchanger, 501, a water inlet pipe, 5011, an electromagnetic valve, 502, a water outlet pipe, 52, a water receiving disc, 53, a water outlet, 54, an overflow port, 541, a one-way valve, 6, an air outlet duct, 61, an axial fan, 7, an emergency window, 8, a chute, 81, a baffle, 9, a control mechanism, 91, a motor, 92, a screw, 93, a thread groove, 94, a positioning component, 941, a positioning block, 942, a positioning groove, 95, a limiting component, 951, a limiting block, 952, a limiting groove, 10, a central control unit, 101, a detection module, 102 and an alarm module.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-7, a water-air cooling heat exchange device and system according to this embodiment includes a device room 1, a frequency converter body 2 is disposed in the device room 1, a fan housing 4 is disposed at an upper end of the frequency converter body 2, a top fan 3 is disposed in the fan housing 4, a hot air duct 41 is connected to a right side of the fan housing 4, one end of the hot air duct 41 penetrates through the device room 1, an air door 42 is disposed in the hot air duct 41, a cold air duct 43 is connected to a right side of a lower end of the hot air duct 41, one end of the cold air duct 43 is connected to a water-air refrigerator body 5, a heat exchanger 51 is disposed in the water-air refrigerator body 5, a water inlet pipe 501 is disposed at an upper end of a front of the water-air refrigerator body 5, an electromagnetic valve 5011 is disposed at an outer wall of the water inlet pipe 501, the water inlet pipe 501 is connected to the heat exchanger 51, a water outlet 52 is disposed at a lower end of the inside the water-air conditioner body 5, a water outlet 502 is disposed at a lower end of the air outlet 53, an overflow port 54 is connected to the water outlet 53, an overflow port 54 is disposed at an upper end of an inner wall of the water-receiving 52, an overflow port 54 is disposed at an upper end of the water outlet 54 is connected to the water outlet 5, an air duct 6 is disposed at an inner side of the water outlet port 6 of the device 5, an air channel 6 is disposed at an outer side of the air duct 1 is connected to an air inlet pipe 6, an air inlet pipe is connected to an air inlet port 6, an air inlet port 7 is disposed at an air inlet 6, an air inlet end of the air inlet port 6 is connected to an air inlet 6, an air inlet control inlet 6 is connected to an air inlet 6, and an air inlet 6 is disposed at an air inlet 6, and an air inlet 6 is connected to an air inlet 6, and an air inlet 6 is connected to an air inlet 6 and an air inlet 6;
when the equipment normally operates, the emergency window 7 is closed, the hot air duct 41 is communicated with the cold air duct 43 through the conversion air door 42, heat of the frequency converter body 2 is extracted through the cabinet top air fan 3, hot air enters the air-water cooling cabinet body 5 through the hot air duct 41 and the cold air duct 43, the hot air is led and pressurized through the axial flow fan 61 in the air outlet duct 6, the hot air can be changed into cold air through the heat exchanger 51 and then sent into the equipment room 1, the cabinet top air fan 3 sucks the frequency converter body 2 to cool, so that a circulation is formed, the heat dissipation efficiency of the frequency converter body 2 is greatly improved, when the frequency converter body 2 operates at a low frequency or the external environment temperature is lower, the flow rate of cooling water is reduced through the electromagnetic valve 5011, the heat dissipation power of the air-water cooling cabinet body 5 is reduced, and therefore the energy-saving effect is achieved, and when the air-water cooling cabinet body 5 fails, the heat exchange air flow direction is changed through the air door 42, the hot air is directly discharged out of the room through the hot air duct 41, and meanwhile, the baffle 81 moves upwards through the control mechanism 9 to enter the chute 8, the outside through the frequency converter body 7, the frequency converter body 2 is temporarily enters the frequency converter body 2, and the frequency converter 2 is enabled to operate in an emergency mode, and the emergency state, and no heat dissipation of the frequency converter 2 is ensured.
Example 2
Referring to fig. 2, in order to achieve the purpose of adjusting the position of the baffle 81 on the basis of embodiment 1, the present embodiment innovates the control mechanism 9, specifically, the control mechanism 9 includes a motor 91, a screw 92 and a thread groove 93, the motor 91 is disposed at the upper end of the equipment room 1, the screw 92 is connected to the output end, the lower end of the screw 92 extends into the chute 8, a positioning component 94 is disposed at the upper end of the outer wall of the screw 92, the thread groove 93 is disposed at the upper end of the baffle 81, the lower end of the screw 92 is in threaded connection with the inside of the thread groove 93, and a limiting component 95 is disposed at the lower end of the outer wall of the baffle 81; the motor 91 drives the screw 92 to rotate, the positioning component 94 stabilizes the position of the screw 92, and the sliding component stabilizes the position of the baffle 81, so that the screw 92 drives the baffle 81 to longitudinally move through the thread groove 93, and the baffle 81 can be closed or opened to the emergency window 7 through the control mechanism 9.
Referring to fig. 3, in order to achieve the purpose of stabilizing the position of the screw 92, the positioning assembly 94 of the present embodiment includes a positioning block 941 and a positioning groove 942, wherein the positioning block 941 is disposed at the upper end of the outer wall of the screw 92, the positioning groove 942 is disposed at the upper end of the inside of the chute 8, and the positioning block 941 is rotatably connected inside the positioning groove 942; the positioning block 941 is rotatably connected to the inside of the positioning groove 942, so that the positioning assembly 94 can stabilize the position of the screw 92, and the screw 92 is prevented from tilting and falling off to affect the position of the baffle 81.
Referring to fig. 4, in order to achieve the purpose of stabilizing the position of the baffle 81, the limiting assembly 95 of the present embodiment includes a limiting block 951 and a limiting groove 952, the limiting block 951 is disposed at the lower end of the outer wall of the baffle 81, the limiting groove 952 is disposed on the inner wall of the emergency window 7, and the limiting block 951 is slidably connected inside the limiting groove 952; through stopper 951 sliding connection in the inside of limit groove 952, make spacing subassembly 95 reach the effect of firm baffle 81 position, not only can avoid baffle 81 to drop, can avoid baffle 81 to follow screw 92 rotation and appear the skew condition simultaneously.
Example 3
Referring to fig. 5, 6 and 7, in this embodiment, in order to achieve the purpose of automatically controlling the heat dissipation of the inverter body 2 based on embodiment 2, the inverter body 2 is innovatively designed in this embodiment, specifically, the inverter comprises a central control unit 10, the central control unit 10 is disposed inside the inverter body 2, the central control unit 10 is electrically connected with a top fan 3, an air door 42, a heat exchanger 51, an axial fan 61, an electromagnetic valve 5011, a check valve 541, and a motor 91 through the inverter body 2, the top fan 3, the check valve 541, the axial fan 61, and ventilation are all provided with a detection module 101, the detection module 101 is electrically connected with the central control unit 10, and an alarm module 102 is disposed inside the central control unit 10;
through the central control unit 10 access converter body 2, can control empty water-cooling heat dissipation equipment through converter body 2, make converter body 2 can adjust empty water cooling plant's operation according to the self operational aspect.
The use principle and the advantages are that: by connecting the central control unit 10 into the frequency converter body 2, the air-water cooling heat dissipation device can be controlled through the frequency converter body 2, when the device normally operates, the emergency window 7 is closed, the conversion air door 42 is adjusted to the cold air duct 43 to be connected into the air-water cooling cabinet body 5, heat generated by the frequency converter body 2 is pumped out by the cabinet top fan 3 at the upper end of the frequency converter body 2 and enters the fan housing 4, then hot air enters the air-water cooling cabinet body 5 through the hot air duct 41 and the cold air duct 43, the hot air is led and pressurized through the axial flow fan 61 in the air outlet duct 6, the hot air is changed into cold air through the heat exchanger 51 and enters the device room 1, condensed water generated by the heat exchanger 51 is discharged through the water receiving disc 52 and the water outlet pipe 502, then the cold air is sucked into the frequency converter body 2 by the cabinet top fan 3 to cool the frequency converter body 2, so as to form a circulation, when the frequency converter body 2 runs at a low frequency or the temperature of the external environment is reduced, the temperature of hot air pumped by the cabinet top fan 3 is reduced, a signal is sent out through the detection module 101, the flow of cooling water is reduced through the electromagnetic valve 5011 at the water inlet pipe 501 regulated by the central control unit 10, the heat dissipation power of the air-water cooling equipment can be reduced, energy is saved, and when the air-water cooling device leaks, water is discharged through the overflow port 54, the one-way valve 541 sends out a signal to the frequency converter body 2, the frequency converter body 2 regulates the electromagnetic valve 5011 to close the water inlet pipe 501, meanwhile, the air damper 42 is switched, the hot air duct 41 is connected with the outdoor atmosphere, the screw 92 is driven to rotate through the motor 91, and is connected in the positioning groove 942 in a rotating way through the positioning block 941, so that the positioning component 94 stabilizes the position of the screw 92, meanwhile, the limiting component 95 is connected in the limiting groove 952 in a sliding way through the limiting block 951 to stabilize the position of the baffle 81, the screw 92 can drive the baffle 81 to longitudinally move through the thread groove 93, thereby the baffle 81 enters the chute 8 through the control mechanism 9, the emergency window 7 is opened, the medium temperature air in the outdoor environment enters the equipment room 1, the temporary heat dissipation of the frequency converter body 2 is ensured, the frequency converter body 2 can be operated in emergency without stopping, at the moment, the cabinet top fan 3 on the frequency converter body 2 sucks the outdoor medium temperature air and discharges hot air after passing through the frequency converter body 2, the hot air is discharged into the outdoor atmosphere through the air duct and the air-water cooling air duct 43, the frequency converter body 2 gives an alarm through the alarm module 102 and sends alarm information to maintenance personnel to inform maintenance personnel, when the axial flow fan 61 fails, the detection module 101 detects the condition and then sends a signal to the frequency converter body 2, the frequency converter body 2 also executes the operation, the operation of the frequency converter body 2 is ensured, and the frequency converter body 2 can regulate the operation of the air-water cooling device according to the self operation condition.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An empty water-cooling heat transfer device, its characterized in that: including equipment room (1), the inside of equipment room (1) is provided with converter body (2), the upper end of converter body (2) is provided with fan housing (4), the inside of fan housing (4) is provided with cabinet top fan (3), the right side of fan housing (4) is connected with hot air duct (41), the one end of hot air duct (41) runs through equipment room (1), the inside of hot air duct (41) is provided with air door (42), the lower extreme right side of hot air duct (41) is connected with cold air duct (43), the one end of cold air duct (43) is connected with empty water freezer body (5), the inside of empty water freezer body (5) is provided with heat exchanger (51), the positive upper end of empty water freezer body (5) is provided with inlet tube (501), the outer wall of inlet tube (501) is provided with solenoid valve (5011), the one end of inlet tube (41) runs through equipment room (1), the inside of hot air duct (41) is provided with air door (42), the one end of cold air duct (43) is connected with cold air duct (43), the one end of cold water tray (52) is provided with water outlet (52), the top water tray (52) is provided with water outlet (53), the overflow mouth (54) runs through empty water freezer body (5), the external check valve (541) that has of overflow mouth (54), the left side of empty water freezer body (5) is provided with air outlet duct (6), the one end of air outlet duct (6) stretches into equipment room (1), the inside of air outlet duct (6) is provided with axial fan (61), the outside of equipment room (1) right side wall is provided with emergent window (7), spout (8) have been seted up to the inside upper end of emergent window (7), the inside of spout (8) is provided with baffle (81), the upper end of equipment room (1) is provided with control mechanism (9), control mechanism (9) are connected with baffle (81) transmission.
2. An air-to-water heat exchange device according to claim 1, wherein: the control mechanism (9) comprises a motor (91), a screw rod (92) and a thread groove (93), wherein the motor (91) is arranged at the upper end of the equipment room (1), the screw rod (92) is connected to the output end of the equipment room, the lower end of the screw rod (92) stretches into the chute (8), the upper end of the outer wall of the screw rod (92) is provided with a positioning component (94), the thread groove (93) is formed in the upper end of the baffle (81), the lower end of the screw rod (92) is in threaded connection with the inside of the thread groove (93), and the lower end of the outer wall of the baffle (81) is provided with a limiting component (95).
3. An air-to-water heat exchange device according to claim 2, wherein: the positioning assembly (94) comprises a positioning block (941) and a positioning groove (942), the positioning block (941) is arranged at the upper end of the outer wall of the screw rod (92), the positioning groove (942) is arranged at the upper end of the inside of the sliding groove (8), and the positioning block (941) is rotationally connected in the inside of the positioning groove (942).
4. An air-to-water heat exchange device according to claim 2, wherein: limiting component (95) are including stopper (951) and spacing groove (952), stopper (951) set up the lower extreme at baffle (81) outer wall, the inner wall at emergent window (7) is seted up in spacing groove (952), stopper (951) sliding connection is in the inside of spacing groove (952).
5. A system for an air-to-water heat exchanger apparatus as claimed in any one of claims 1 to 4, wherein: including central control unit (10), central control unit (10) set up the inside at converter body (2), central control unit (10) respectively with cabinet top fan (3), air door (42), heat exchanger (51), axial fan (61), solenoid valve (5011), check valve (541), motor (91) electric connection through converter body (2), cabinet top fan (3), check valve (541), axial fan (61) all are provided with detection module (101) with taking a breath, detection module (101) and central control unit (10) electric connection, the inside of central control unit (10) is provided with alarm module (102).
CN202223097861.5U 2022-11-22 2022-11-22 Air-water cooling heat exchange device and system Active CN219108053U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223097861.5U CN219108053U (en) 2022-11-22 2022-11-22 Air-water cooling heat exchange device and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223097861.5U CN219108053U (en) 2022-11-22 2022-11-22 Air-water cooling heat exchange device and system

Publications (1)

Publication Number Publication Date
CN219108053U true CN219108053U (en) 2023-05-30

Family

ID=86463239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223097861.5U Active CN219108053U (en) 2022-11-22 2022-11-22 Air-water cooling heat exchange device and system

Country Status (1)

Country Link
CN (1) CN219108053U (en)

Similar Documents

Publication Publication Date Title
CN102788392B (en) A kind of heat pipe hot pump hybrid system
CN101216222B (en) Double-mode cooling box
CN103175276A (en) Air-cooling direct-current frequency-conversion magnetic levitation nature cold source water chilling unit
CN103032980B (en) A kind of handpiece Water Chilling Units
CN104566641A (en) Energy-saving air conditioning system in data center and heat dissipation method of energy-saving air conditioning system
CN101520219A (en) All-year cold supply chiller with natural cooling function
CN105066497A (en) Cooling and heating dual-purpose indoor temperature regulating system driven by wind power
CN202485266U (en) Water chilling unit
CN106051958B (en) Subway station evaporation condensation direct expansion evaporation type air conditioning system and control method thereof
CN203323266U (en) Air-cooling direct-current variable-frequency magnetic-levitation water chilling unit with natural cold source
CN215299928U (en) Box-type substation with ventilation and heat dissipation functions
CN207893919U (en) A kind of mechanical refrigeration and auxiliary cold source two-way United system
CN219108053U (en) Air-water cooling heat exchange device and system
CN102927646A (en) Computer room air conditioner
CN202166170U (en) Water-cooling heat-exchange circulating device
CN209263231U (en) The air-conditioning cooling device of multichannel whole year operation
CN2558909Y (en) Constant-type cooling water device
CN209763381U (en) Air conditioning unit based on combination of dew point indirect evaporative cooler and gravity heat pipe
CN209325916U (en) Direct refrigeration-type magnetic suspension convertible frequency air-conditioner unit
CN102927647A (en) Base station air conditioner
CN109612156B (en) Assembled air conditioner wall comprising energy-saving heat pump system and operation method thereof
CN203036781U (en) Air conditioner in machine room
CN202328587U (en) Powerless integrated heat tube and air conditioning combined unit
CN214307791U (en) Magnetic suspension cold water machine room for data center refrigerating system
CN110686345A (en) Efficient building refrigerating machine room and control method thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant