CN210924462U - Novel water chilling unit for data center - Google Patents
Novel water chilling unit for data center Download PDFInfo
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- CN210924462U CN210924462U CN201922100216.6U CN201922100216U CN210924462U CN 210924462 U CN210924462 U CN 210924462U CN 201922100216 U CN201922100216 U CN 201922100216U CN 210924462 U CN210924462 U CN 210924462U
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a novel water chilling unit for a data center, which comprises a base I, a base II, an external heat dissipation assembly, an external heat recovery device, an internal heat recovery device, a blowing device and an internal heat dissipation assembly, the utility model can rapidly reduce the temperature, has higher refrigeration speed than the cold water circulation and high efficiency, simultaneously carries out water cooling, greatly improves the cooling capacity of the water chilling device, can realize the water circulation with an external water tower, can not cause the condition that the temperature of the internal circulating water can not be reduced, can be used for a long time, can not influence the refrigeration effect, can recycle the heat emitted by a condenser pipe for power generation, can recycle the heat generated by a compressor for power generation, is beneficial to saving energy, reduces the power consumption of the device, can blow out low-temperature air, leads the low-temperature air to enter the inside of an instrument, has good refrigeration effect, and quickly permeates the cold air into the, effectively reduce the temperature of the instrument and prolong the service life.
Description
Technical Field
The utility model relates to a cold water cooling equipment technical field specifically is a data center uses novel cooling water set.
Background
A data center is a globally collaborative network of devices that is used to communicate, accelerate, present, compute, store data information over an internet network infrastructure. Most electronic elements of the data center are driven by a low direct current power supply to operate and are used for transmitting, accelerating, displaying, calculating and storing data information on network infrastructure, a large number of electronic instruments of the data center are gathered, a large amount of heat is generated during working, the temperature inside the data center is high, workers cannot tolerate the data information in the data center, the instruments are damaged due to high temperature, the service life of the data center is seriously influenced, a water chiller needs to be used for cooling the instruments to reduce the temperature of the data center and the temperature of the instruments, the existing water chiller has poor refrigerating effect and cannot realize rapid cooling, cold air cannot penetrate into the instruments rapidly, the temperature inside the instruments of the data center cannot be reduced, the service life of the instruments is influenced, the data center is very large, and the heat generated during refrigerating power consumption cannot be utilized and is completely consumed, is not beneficial to saving energy.
SUMMERY OF THE UTILITY MODEL
In view of the problem that exists among the prior art, the utility model discloses a data center is with novel cooling water set, the technical scheme of adoption is, including base I, base II, outside heat dissipation assembly, outside heat recovery unit, inside heat recovery unit, blast apparatus, inside heat dissipation assembly, its characterized in that: universal wheels are mounted at four corners of the bottom of the base I, an air cooling cavity is fixed at the front end of the top of the base I, a water cooling cavity is arranged at the rear side of the air cooling cavity, the left end and the right end of the rear side of the water cooling cavity are connected with the top of the base I through two triangular supports respectively, evaporating pipes distributed in a snake shape are fixed in the air cooling cavity through pipe frames, shutters are mounted at through openings of the front side of the air cooling cavity, nine blowing devices are arranged in the water cooling cavity, a storage battery and a throttle valve are mounted on the right side of the top of the base I respectively, a cold water tank and a hot water tank are fixed on the left side of the top of the base I respectively, a hot water delivery pump and a cold water delivery pump are fixed on the top of the cold water tank respectively, a circulating water pump is fixed on the top of the hot water tank, and, the left side of the hot water tank is fixed with a three-way valve I, the top of the base I is also fixed with the internal heat recovery device, the internal heat recovery device is internally provided with a compressor, the surface of the compressor is fixed with the internal heat dissipation assembly, the upper side of the base II is provided with the external heat dissipation assembly through a support frame, the inner side of the external heat dissipation assembly is fixed with a cooling pipe, the external heat dissipation assembly is internally provided with a condenser pipe, the outer side of the external heat dissipation assembly is fixed with the external heat recovery device, the output port of the compressor is connected with the input port of the condenser pipe, the output port of the condenser pipe is connected with one end of a throttle valve, the other end of the throttle valve is connected with the input port of the evaporation pipe, the output port of the evaporation pipe is connected with the input port of the compressor, and the output port of the cold water, the output port of the cold water tank is connected with the input port of the circulating water pump through a conduit, the output port of the circulating water pump is connected with the input port of the three-way valve II through a conduit, two output ports of the three-way valve II are respectively connected with the input port of the cooling pipe and the input port of the air-cooling chamber through two conduits, the output port of the cooling pipe and the output port of the air-cooling chamber are respectively connected with two input ports of the three-way valve I through two conduits, the output port of the three-way valve I is connected with the input port of the hot water tank through the conduits, the output port of the hot water tank is connected with the input port of the hot water delivery pump through the hot water port, the output port of the external water tower is connected with the input port of the cold water delivery pump through the cold water port, the rear side of the water-cooling cavity is provided with a control switch group, and the control switch group is respectively electrically connected with the compressor, the storage battery, the circulating water pump, the hot water delivery pump and the cold water delivery pump.
As an optimal technical scheme of the utility model, blast apparatus includes ventilation shell, air inlet dust separation net, air exhaust dust separation net, fan, ventilation shell's front end with forced air cooling cavity intercommunication, the rear end of ventilation shell stretches out the rear side of water cooling cavity, ventilation shell's front end is fixed with air exhaust dust separation net, four angular distribution's such as air inlet dust separation net are installed to ventilation shell's rear end, ventilation shell's inside rear side is installed the fan, the fan with control switch group electric connection.
As an optimal technical scheme of the utility model, inside heat reclamation device includes heat conduction shell and small-size semiconductor power generation piece, the internally mounted of heat conduction shell has the compressor, all install the upper and lower both sides of heat conduction shell small-size semiconductor power generation piece, also install both sides around the heat conduction shell small-size semiconductor power generation piece, small-size semiconductor power generation piece with battery electric connection.
As the utility model discloses a preferred technical scheme, inside heat dissipation assembly is including heat dissipation rib and louvre, the side of compressor is fixed with the spiral and distributes the heat dissipation rib, be equipped with evenly distributed on the heat dissipation rib the louvre.
As a preferred technical scheme of the utility model, outside heat dissipation assembly includes annular conducting strip I, small opening urceolus, annular conducting strip II, small opening inner tube, the small opening urceolus with both ends all with the support frame is connected about the small opening inner tube, the small opening urceolus with be equipped with spiral distribution between the small opening inner tube the condenser pipe, the outside of small opening urceolus is fixed with the equidistance and distributes annular conducting strip I, the inboard of small opening inner tube is equipped with the equidistance and distributes annular conducting strip II, annular conducting strip II's inboard has cup jointed the cooling tube.
As an optimal technical scheme of the utility model, outside heat reclamation device includes collar and large-scale semiconductor power generation piece, the outside of annular conducting strip I is through three the collar is fixed with four large-scale semiconductor power generation piece, four large-scale semiconductor power generation piece along angular distribution such as the side of cooling tube, large-scale semiconductor power generation piece with battery electric connection.
The utility model has the advantages that: the utility model can reduce the temperature rapidly by driving the evaporation pipe to cool through the compressor, the cooling speed is faster than the cold water circulation, the efficiency is high, the water cooling can be carried out simultaneously through the water cooling cavity, the cooling capacity of the cold water device is greatly improved, the water circulation can be realized with an external water tower through the circulating water pump, the hot water delivery pump and the cold water delivery pump, the condition that the temperature of the internal circulating water can not be reduced can not be generated, the device can be used for a long time, the cooling effect can not be influenced, the heat emitted by the condenser pipe can be recycled and generated through the external heat recovery device, the heat generated by the compressor can be recycled and generated through the internal heat dissipation assembly, the energy is saved, the power consumption of the device is reduced, the low-temperature air can be blown out through the blowing device, the low-temperature air can enter the inside of the instrument, the service life is prolonged.
Drawings
FIG. 1 is an internal front cross-sectional view of the present invention;
fig. 2 is an internal left side cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;
fig. 4 is an internal right side cross-sectional view of the present invention;
FIG. 5 is an enlarged schematic view of the structure at B of the present invention;
fig. 6 is an enlarged schematic view of the structure at position C of the present invention;
fig. 7 is an internal rear cross-sectional view of the present invention;
fig. 8 is an enlarged schematic view of the structure at position D of the present invention.
In the figure: 1-base I, 2-compressor, 3-base II, 4-cooling pipe, 5-support frame, 6-external heat dissipation assembly, 601-annular heat conducting sheet I, 602-outer perforated cylinder, 603-annular heat conducting sheet II, 604-inner perforated cylinder, 7-external heat recovery device, 701-mounting ring, 702-large semiconductor power generation sheet, 8-internal heat recovery device, 801-heat conducting shell, 802-small semiconductor power generation sheet, 9-water cooling chamber, 10-air cooling chamber, 11-pipe frame, 12-evaporating pipe, 13-blowing device, 1301-ventilation shell, 1302-air inlet dust separation net, 1303-air exhaust dust separation net, 1304-fan, 14-louver, 15-universal wheel, 16-storage battery, 17-triangular support, 18-throttle valve, 19-control switch group, 20-internal heat dissipation assembly, 2001-heat dissipation ribs, 2002-heat dissipation holes, 21-cold water port, 22-hot water port, 23-cold water tank, 24-three-way valve I, 25-hot water tank, 26-circulating water pump, 27-three-way valve II, 28-conduit, 29-hot water delivery pump, 30-cold water delivery pump and 31-condenser pipe.
Detailed Description
Example 1
As shown in fig. 1 to 8, the utility model discloses a data center is with novel cooling water set, the technical scheme of adoption is, including base I1, base II3, outside heat dissipation assembly 6, outside heat reclamation device 7, inside heat reclamation device 8, blast apparatus 13, inside heat dissipation assembly 20, its characterized in that: universal wheels 15 are installed at four corners of the bottom of the base I1, an air cooling chamber 10 is fixed at the front end of the top of the base I1, a water cooling chamber 9 is arranged at the rear side of the air cooling chamber 10, the left end and the right end of the rear side of the water cooling chamber 9 are connected with the top of the base I1 through two triangular supports 17 respectively, an evaporating pipe 12 distributed in a snake shape is fixed in the air cooling chamber 10 through a pipe frame 11, a louver 14 is installed at a through opening at the front side of the air cooling chamber 10, nine blowing devices 13 are arranged in the water cooling chamber 9, a storage battery 16 and a throttle valve 18 are installed on the right side of the top of the base I1 respectively, a cold water tank 23 and a hot water tank 25 are fixed on the left side of the top of the base I1 respectively, a hot water delivery pump 29 and a cold water delivery pump 30 are fixed on the top of the cold water tank 23 respectively, a circulating water, the top of the circulating water pump 26 is fixed with a three-way valve II27, the left side of the hot water tank 25 is fixed with a three-way valve I24, the top of the base I1 is also fixed with the internal heat recovery device 8, the inside of the internal heat recovery device 8 is provided with a compressor 2, the surface of the compressor 2 is fixed with the internal heat dissipation assembly 20, the upper side of the base II3 is provided with the external heat dissipation assembly 6 through a support frame 5, the inner side of the external heat dissipation assembly 6 is fixed with a cooling pipe 4, the inside of the external heat dissipation assembly 6 is provided with a condensation pipe 31, the outer side of the external heat dissipation assembly 6 is fixed with the external heat recovery device 7, the output port of the compressor 2 is connected with the input port of the condensation pipe 31, the output port of the condensation pipe 31 is connected with one end of the throttle valve 18, and the other end of the throttle valve, an output port of the evaporation pipe 12 is connected with an input port of the compressor 2, an output port of the cold water delivery pump 30 is connected with an input port of the cold water tank 23 through a conduit 28, an output port of the cold water tank 23 is connected with an input port of the circulating water pump 26 through a conduit 28, an output port of the circulating water pump 26 is connected with an input port of the three-way valve II27 through a conduit 28, two output ports of the three-way valve II27 are respectively connected with an input port of the cooling pipe 4 and an input port of the air cooling chamber 10 through two conduits 28, an output port of the cooling pipe 4 and an output port of the air cooling chamber 10 are respectively connected with two input ports of the three-way valve I24 through two conduits 28, an output port of the three-way valve I24 is connected with an input port of the hot water tank 25 through the conduit 28, and an output port of the hot water tank 25, the output port of the hot water delivery pump 29 is connected with the input port of an external water tower through a hot water port 22, the output port of the external water tower is connected with the input port of the cold water delivery pump 30 through a cold water port 21, a control switch group 19 is installed on the rear side of the water cooling chamber 9, and the control switch group 19 is respectively electrically connected with the compressor 2, the storage battery 16, the circulating water pump 26, the hot water delivery pump 29 and the cold water delivery pump 30.
As a preferred technical scheme of the utility model, blast apparatus 13 includes ventilation housing 1301, air inlet dust separation net 1302, air exhaust dust separation net 1303, fan 1304, ventilation housing 1301's front end with air-cooled cavity 10 intercommunication, the rear end of ventilation housing 1301 stretches out the rear side of water-cooled cavity 9, ventilation housing 1301's front end is fixed with air exhaust dust separation net 1303, four equal angular distribution's air inlet dust separation net 1302 are installed to ventilation housing 1301's rear end, install ventilation housing 1301's inside rear side fan 1304, fan 1304 with control switch group 19 electric connection.
As a preferred technical scheme of the utility model, inside heat reclamation device 8 includes heat conduction shell 801 and small-size semiconductor power generation piece 802, the internally mounted of heat conduction shell 801 has compressor 2, all install the upper and lower both sides of heat conduction shell 801 small-size semiconductor power generation piece 802, both sides are also installed around heat conduction shell 801 small-size semiconductor power generation piece 802, small-size semiconductor power generation piece 802 with battery 16 electric connection.
As a preferred technical solution of the present invention, the internal heat dissipation assembly 20 includes heat dissipation ribs 2001 and heat dissipation holes 2002, the heat dissipation ribs 2001 are fixed to the side of the compressor 2, and the heat dissipation holes 2002 are uniformly distributed on the heat dissipation ribs 2001.
As a preferred technical scheme of the utility model, outside heat dissipation assembly 6 includes annular conducting strip I601, small opening urceolus 602, annular conducting strip II603, small opening inner tube 604, small opening urceolus 602 with both ends all with support frame 5 is connected about small opening inner tube 604, small opening urceolus 602 with be equipped with spiral distribution between the small opening inner tube 604 condenser pipe 31, the outside of small opening urceolus 602 is fixed with the equidistance and distributes annular conducting strip I601, the inboard of small opening inner tube 604 is equipped with the equidistance and distributes annular conducting strip II603, the inboard of annular conducting strip II603 has cup jointed cooling tube 4.
As an optimal technical solution of the present invention, the external heat recovery device 7 includes an installation ring 701 and a large semiconductor power generation sheet 702, the outside of the annular heat conduction sheet I601 is three through the installation ring 701 is fixed with four large semiconductor power generation sheets 702, four large semiconductor power generation sheets 702 are along the side of the cooling pipe 4 is equiangular distribution, large semiconductor power generation sheets 702 with the storage battery 16 electric connection.
The utility model discloses a theory of operation: fixing a base II3 outdoors, pushing a base I1 indoors to enable the base I1 to move through a universal wheel 15, enabling a louver 14 to be aligned to a position to be cooled, switching on a power supply, connecting a cold water port 21 and a hot water port 22 with an external water tower, starting a compressor 2 through a control switch group 19 to drive an evaporation pipe 12 to carry out refrigeration, simultaneously starting a fan 1304 to send air from an air inlet dust separation net 1302 to an air outlet dust separation net 1303, blowing cold air generated by refrigeration of the evaporation pipe 12 to an instrument of a data center, starting a cold water delivery pump 30 to pump cold water of the external water tower into a cold water tank 23 through the cold water port 21, starting a circulating water pump 26 to pump cold water in the cold water tank 23 out and send the cold water into a three-way valve II27, after the cold water is split by a three-way valve II27, respectively entering a cooling pipe 4 and a water cooling chamber 9 to reduce the temperature of the water cooling chamber 9, and simultaneously reducing the, and the water after the temperature rise in the cooling pipe 4 and the water-cooling chamber 9 enters the three-way valve I24 to be converged and finally flows into the hot water tank 25, the hot water delivery pump 29 is started to send the hot water in the hot water tank 25 back to the external water tower through the hot water port 22, the cooling cycle is completed, the heat dissipation ribs 2001 and the heat dissipation holes 2002 quickly dissipate the heat dissipated by the compressor 2 in the process, the temperature of one side of the small semiconductor power generation sheet 802 is higher than that of the other side, the small semiconductor power generation sheet 802 generates power and conveys the power to the storage battery 16, and similarly, the external heat dissipation assembly 6 conveniently dissipates the heat of the condensation pipe 31, so that the large semiconductor power generation sheet 702 generates power and conveys the power to the storage.
The utility model relates to a circuit connection is the conventional means that technical staff adopted in this field, and accessible limited number of tests obtains the technological inspiration, belongs to the widely used prior art.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.
Claims (6)
1. The utility model provides a data center is with novel cooling water set, includes base I (1), base II (3), outside heat dissipation assembly (6), outside heat reclamation device (7), inside heat reclamation device (8), blast apparatus (13), inside heat dissipation assembly (20), its characterized in that: universal wheels (15) are installed at four corners of the bottom of the base I (1), an air cooling chamber (10) is fixed to the front end of the top of the base I (1), a water cooling chamber (9) is arranged on the rear side of the air cooling chamber (10), the left end and the right end of the rear side of the water cooling chamber (9) are connected with the top of the base I (1) through two triangular supports (17), evaporating pipes (12) distributed in a snake shape are fixed to the inside of the air cooling chamber (10) through pipe frames (11), shutters (14) are installed at through holes in the front side of the air cooling chamber (10), nine air blowing devices (13) are arranged in the inside of the water cooling chamber (9), storage batteries (16) and throttle valves (18) are installed on the right side of the top of the base I (1), a cold water tank (23) and a hot water tank (25) are fixed to the left side of the top of the base I (1), the top of the cold water tank (23) is respectively fixed with a hot water delivery pump (29) and a cold water delivery pump (30), the top of the hot water tank (25) is fixed with a circulating water pump (26), the top of the circulating water pump (26) is fixed with a three-way valve II (27), the left side of the hot water tank (25) is fixed with a three-way valve I (24), the top of the base I (1) is also fixed with the internal heat recovery device (8), the inside of the internal heat recovery device (8) is provided with a compressor (2), the surface of the compressor (2) is fixed with the internal heat dissipation assembly (20), the upper side of the base II (3) is provided with the external heat dissipation assembly (6) through a support frame (5), the inner side of the external heat dissipation assembly (6) is fixed with a cooling pipe (4), the inside of the external heat dissipation assembly (6) is provided with a condensation pipe (31), the outside of outside heat dissipation assembly (6) is fixed with outside heat recovery unit (7), the delivery outlet of compressor (2) is connected the input port of condenser pipe (31), the delivery outlet of condenser pipe (31) is connected the one end of choke valve (18), the other end of choke valve (18) is connected the input port of evaporating pipe (12), the delivery outlet of evaporating pipe (12) is connected the input port of compressor (2), the delivery outlet of cold water delivery pump (30) passes through pipe (28) and connects the input port of cold water tank (23), the delivery outlet of cold water tank (23) passes through pipe (28) and connects the input port of circulating water pump (26), the delivery outlet of circulating water pump (26) passes through pipe (28) and connects the input port of three-way valve II (27), two delivery outlets of three-way valve II (27) pass through two pipe (28) respectively with the input port of cooling tube (4) with wind The inlet of cold chamber (10) is connected, the delivery outlet of cooling tube (4) with the delivery outlet of air-cooled chamber (10) is respectively through two pipe (28) with two input ports of three-way valve I (24) are connected, the delivery outlet of three-way valve I (24) passes through pipe (28) with the input port of hot-water tank (25) is connected, the delivery outlet of hot-water tank (25) passes through pipe (28) with the input port of hot water delivery pump (29) is connected, the delivery outlet of hot water delivery pump (29) passes through hot water mouth (22) and is connected with the input port of outside water tower, the delivery outlet of outside water tower passes through cold water mouth (21) and connects the input port of cold water delivery pump (30), control switch group (19) is installed to the rear side of water-cooled chamber (9), control switch group (19) respectively compressor (2), The storage battery (16), the circulating water pump (26), the hot water delivery pump (29) and the cold water delivery pump (30) are electrically connected.
2. The novel water chilling unit for the data center according to claim 1, characterized in that: blast apparatus (13) are including ventilation housing (1301), air inlet dust separation net (1302), air exhaust dust separation net (1303), fan (1304), the front end of ventilation housing (1301) with air-cooled chamber (10) intercommunication, the rear end of ventilation housing (1301) stretches out the rear side of water-cooled chamber (9), the front end of ventilation housing (1301) is fixed with air exhaust dust separation net (1303), four equal angular distribution's air inlet dust separation nets (1302) are installed to the rear end of ventilation housing (1301), install the inside rear side of ventilation housing (1301) fan (1304), fan (1304) with control switch group (19) electric connection.
3. The novel water chilling unit for the data center according to claim 1, characterized in that: inside heat reclamation device (8) are including heat conduction shell (801) and small-size semiconductor power generation piece (802), the internally mounted of heat conduction shell (801) has compressor (2), all install the upper and lower both sides of heat conduction shell (801) small-size semiconductor power generation piece (802), also install the front and back both sides of heat conduction shell (801) small-size semiconductor power generation piece (802), small-size semiconductor power generation piece (802) with battery (16) electric connection.
4. The novel water chilling unit for the data center according to claim 1, characterized in that: the internal heat dissipation assembly (20) comprises heat dissipation ribs (2001) and heat dissipation holes (2002), the heat dissipation ribs (2001) are fixed on the side face of the compressor (2) in spiral distribution, and the heat dissipation holes (2002) are uniformly distributed on the heat dissipation ribs (2001).
5. The novel water chilling unit for the data center according to claim 1, characterized in that: the external heat dissipation assembly (6) comprises an annular heat conducting fin I (601), a leakage hole outer cylinder (602), an annular heat conducting fin II (603) and a leakage hole inner cylinder (604), wherein the leakage hole outer cylinder (602) and the leakage hole inner cylinder (604) are connected with the support frame (5) at the left end and the right end, the condensation pipe (31) is arranged between the leakage hole outer cylinder (602) and the leakage hole inner cylinder (604) in a spiral distribution mode, the annular heat conducting fin I (601) is fixed on the outer side of the leakage hole outer cylinder (602) in an equidistant distribution mode, the annular heat conducting fin II (603) is arranged on the inner side of the leakage hole inner cylinder (604) in an equidistant distribution mode, and the cooling pipe (4) is sleeved on the inner side of the annular heat conducting fin II (603).
6. The novel water chilling unit for the data center according to claim 5, characterized in that: the external heat recovery device (7) comprises mounting rings (701) and large semiconductor power generation sheets (702), four large semiconductor power generation sheets (702) are fixed on the outer side of the annular heat conduction sheet I (601) through the three mounting rings (701), the four large semiconductor power generation sheets (702) are distributed along the side face of the cooling pipe (4) at equal angles, and the large semiconductor power generation sheets (702) are electrically connected with the storage battery (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100216.6U CN210924462U (en) | 2019-11-29 | 2019-11-29 | Novel water chilling unit for data center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100216.6U CN210924462U (en) | 2019-11-29 | 2019-11-29 | Novel water chilling unit for data center |
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| CN210924462U true CN210924462U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802318A (en) * | 2020-12-30 | 2021-05-14 | 贵州电网有限责任公司 | Electric energy meter communication module based on LoRa technique |
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2019
- 2019-11-29 CN CN201922100216.6U patent/CN210924462U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802318A (en) * | 2020-12-30 | 2021-05-14 | 贵州电网有限责任公司 | Electric energy meter communication module based on LoRa technique |
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