CN107995839B - A kind of equipment cooling device - Google Patents
A kind of equipment cooling device Download PDFInfo
- Publication number
- CN107995839B CN107995839B CN201810056472.7A CN201810056472A CN107995839B CN 107995839 B CN107995839 B CN 107995839B CN 201810056472 A CN201810056472 A CN 201810056472A CN 107995839 B CN107995839 B CN 107995839B
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- support plate
- side wall
- exhaust pipe
- telescopic rod
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to technical field of the electromechanical equipment, more particularly, to a kind of equipment cooling device, including pedestal, pedestal is equipped with refrigerating plant, pedestal is equipped with cabinet body, the side wall of cabinet body is connect with refrigerating plant, the side wall of cabinet body is equipped with exhaust pipe, exhaust pipe is set to cabinet body far from one end side wall of refrigerating plant, getter device is equipped in exhaust pipe, and getter device is set to exhaust pipe far from one end of cabinet body, the top surface and bottom of exhaust pipe are equipped with control mechanism, control mechanism and getter device are cooperatively connected, cooling duct is equipped in cabinet body, the bottom of cabinet body is equipped with sliding equipment, sliding equipment upper end is equipped with the first support plate, first support plate is equipped with multiple buffer units, the upper end of buffer unit is equipped with the second support plate, fixed device there are two being set in second support plate, cabinet body front end side wall is equipped with opening.Advantage is: the present invention can not only effectively improve the heat dissipation effect of electromechanical equipment, and be overhauled convenient for electromechanical equipment.
Description
Technical field
The invention belongs to technical field of the electromechanical equipment, more particularly, to a kind of equipment cooling device.
Background technique
Equipment is usually the general name of people's material goods such as required mechanical, device and facility in production and life,
Electromechanical equipment is then to apply mechanical, electronic technology equipment, and usually said mechanical equipment is that electromechanical equipment is most important
Component part, with the continuous improvement of people's living standards, people in daily life to the demand of electromechanical equipment increasingly
It is more, indispensable electromechanical production in for people's lives is had become from the vehicles to various household electrical appliance, computer, printer etc.
Product.Advanced electromechanical equipment can not only greatly improve labor productivity, reduce labor intensity, and improve production environment, complete manpower
Impossible work, and as one of National Industrial basis, the development to entire national economy, and science and technology, national defence are real
The raising of power has direct, important influence, or measures the important symbol of a national science and technology level and overall national strength.
Electromechanical equipment can generate heat when working operating, if cannot effectively radiate, will affect electromechanical equipment
Normal operation, and existing electromechanical equipment be usually be arranged in the Installation cabinet of electromechanical equipment ventilation hole or exhaust fan carry out it is scattered
Heat, heat dissipation effect is bad, and mechanical and electric equipment installation is not easy to overhaul electromechanical equipment in Installation cabinet, and existing Installation cabinet is not
Only heat dissipation effect is bad, and is not easy to electromechanical equipment and is overhauled.
For this purpose, it is proposed that a kind of equipment cooling device solves the above problems.
Summary of the invention
Regarding the issue above, the present invention provides a kind of heat dissipation effect is preferable and is examined convenient for electromechanical equipment
The equipment cooling device repaired.
In order to achieve the above objectives, present invention employs following technical proposals: a kind of equipment cooling device, including pedestal, described
Pedestal is equipped with refrigerating plant, and the pedestal is equipped with cabinet body, and the side wall of the cabinet body is connect with refrigerating plant, the cabinet body
Side wall is equipped with exhaust pipe, and the exhaust pipe is set to cabinet body far from one end side wall of refrigerating plant, sets in the exhaust pipe
There is a getter device, and the getter device is set to exhaust pipe far from one end of cabinet body, the top surface and bottom of the exhaust pipe
It is equipped with control mechanism, the control mechanism and getter device are cooperatively connected, and cooling duct, the cabinet body are equipped in the cabinet body
Bottom be equipped with sliding equipment, the sliding equipment upper end is equipped with the first support plate, and first support plate is equipped with multiple slow
Flushing device, the upper end of the buffer unit are equipped with the second support plate, are set in second support plate there are two fixed device, described
The front end side wall of cabinet body, which is equipped with, to be open, and it is interior equipped with rotation door to be open, and the pedestal is interior to be equipped with water supply device, and water supply device
Connect with cooling duct, the refrigerating plant includes the air-cooler for being set on the base end, the outlet air opening of the air-cooler with
One end of air inlet pipe connects, and the other end of the air inlet pipe passes through the side wall of cabinet body and extends to inside it, the getter device
Including the suction fan being arranged in exhaust pipe, the top and bottom of the suction fan are respectively connected with the first telescopic rod, and described first
It is socketed with the first spring on telescopic rod, first telescopic rod is far from being connected with wedge block, and wedge block on one end of suction fan
It is cooperatively connected with control mechanism, the control mechanism includes the groove being arranged in exhaust pipe, and wedge block is located in groove, described
Groove is equipped with the first threaded hole of inside and outside connection far from one end inner wall of wedge block, and the first threaded hole internal screw thread is connected with the
One threaded rod, the sliding equipment include the sliding slot being disposed longitudinally on bottom of cabinet bulk, are equipped with sliding block, the cunning in the sliding slot
The side wall of block is equipped with the second threaded hole of front and back connection, and the second threaded hole internal screw thread is connected with the second threaded rod, and described the
One end of two threaded rods passes through the front end side wall of sliding slot and extends to the outside of cabinet body, the other end and cunning of second threaded rod
The rear end side wall of slot is rotatablely connected, and the upper end of the sliding block is connect with the lower end of the first support plate, and the fixed device includes setting
The riser in the second support plate upper end is set, third telescopic rod, the third are respectively connected in the opposing sidewalls of two pieces of risers
Third spring is socketed on telescopic rod, the third telescopic rod is connected with fixed plate far from one end of riser.
In above-mentioned equipment cooling device, the buffer unit includes being arranged in the second of the first support plate upper end to stretch
The upper end of bar, second telescopic rod is connect with the lower end of the second support plate, is socketed with second spring on second telescopic rod.
In above-mentioned equipment cooling device, the water supply device includes the water storage cavity being arranged in pedestal, the water storage cavity
Bottom be equipped with suction pump, the top surface of the water storage cavity sets that there are two the first through hole that are connected to up and down, and in two first through hole
It extends through and is equipped with the first aqueduct and the second aqueduct, the upper end of first aqueduct and the second aqueduct both passes through cooling
The bottom in channel simultaneously extends in it, and the lower end of first aqueduct is connect with suction pump, the front end side wall of the water storage cavity
It is equipped with the second through-hole of inside and outside connection, and through equipped with third aqueduct in through-hole.
Compared with prior art, the advantages of this equipment cooling device is: the present invention is by air-cooler into cabinet body into defeated
Send cold air to cooling down in cabinet body, this is first step cooling, can be excluded to the intracorporal hot gas of cabinet by suction fan, and be able to maintain
The intracorporal air circulation of cabinet, this is second step cooling, is absorbed by the water in cooling duct to the intracorporal heat of cabinet, this is
Third step cooling effectively can be absorbed and be discharged to the intracorporal heat of cabinet by the cooling of three steps, improve electromechanical equipment
Heat dissipation effect effectively ensures the normal operation of electromechanical equipment, is fixed in the second support plate by sliding equipment convenient for driving
Electromechanical equipment slided in cabinet body, overhauled convenient for taking out electromechanical equipment out of cabinet body, improve working efficiency, buffering dress
Influence of the external force to electromechanical equipment can be buffered when carrying by setting, by the first threaded rod of rotation convenient for control suction fan installation with
Disassembly, replacement suction fan can effectively ensure the heat dissipation effect of electromechanical equipment.
Detailed description of the invention
Fig. 1 is a kind of perspective view of equipment cooling device provided by the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the partial enlarged view in Fig. 1 at B；
Fig. 4 is the partial enlarged view in Fig. 1 at C；
Fig. 5 is the positive structure schematic of Fig. 1.
In figure, 1 pedestal, 2 refrigerating plants, 3 cabinet bodies, 4 exhaust pipes, 5 getter devices, 6 control mechanisms, 7 cooling ducts, 8
Three aqueducts, 9 sliding equipments, 10 first support plates, 11 buffer units, 12 second support plates, 13 fixed devices, 14 rotation doors,
It is 15 water supply devices, 16 air-coolers, 17 air inlet pipe, 18 suction fans, 19 first telescopic rods, 20 first springs, 21 wedge blocks, 22 recessed
Slot, 23 first threaded rods, 24 sliding slots, 25 sliding blocks, 26 second threaded rods, 27 second telescopic rods, 28 second springs, 29 risers, 30
Third telescopic rod, 31 third springs, 32 fixed plates, 33 water storage cavities, 34 suction pumps, 35 first aqueducts, 36 second aqueducts.
Specific embodiment
Following embodiment only exists in illustrative purpose, limits the scope of the invention without being intended to.
Embodiment
As shown in Figs. 1-5, a kind of equipment cooling device, including pedestal 1, pedestal 1 are equipped with refrigerating plant 2, and pedestal 1 is equipped with
The side wall of cabinet body 3, cabinet body 3 is connect with refrigerating plant 2, and the side wall of cabinet body 3 is equipped with exhaust pipe 4, and exhaust pipe 4 is set to cabinet body 3
On one end side wall far from refrigerating plant 2, it is equipped with getter device 5 in exhaust pipe 4, and to be set to exhaust pipe 4 separate for getter device 5
In one end of cabinet body 3, the top surface and bottom of exhaust pipe 4 are equipped with control mechanism 6, and control mechanism 6 and the cooperation of getter device 5 connect
It connects, cooling duct 7 is equipped in cabinet body 3, the bottom of cabinet body 3 is equipped with sliding equipment 9, and 9 upper end of sliding equipment is equipped with the first support plate
10, the first support plate 10 is equipped with multiple buffer units 11, and the upper end of buffer unit 11 is equipped with the second support plate 12, the second support
It is set on plate 12 there are two fixed device 13, the front end side wall of cabinet body 3 is equipped with opening, and rotation door 14, pedestal 1 are equipped in opening
It is interior to be equipped with water supply device 15, and water supply device 15 is connect with cooling duct 7.
Wherein, refrigerating plant 2 includes the air-cooler 16 that 1 upper end of pedestal is arranged in, the outlet air opening of air-cooler 16 and air inlet
One end of pipe 17 connects, and the other end of air inlet pipe 17 passes through the side wall of cabinet body 3 and extends to inside it, and air-cooler 16 is existing
Technology, this will not be repeated here.
Wherein, getter device 5 includes the suction fan 18 being arranged in exhaust pipe 4, and suction fan 18 is the prior art, herein not
It repeats, the top and bottom of suction fan 18 are respectively connected with the first telescopic rod 19, are socketed with the first spring on the first telescopic rod 19
20, wedge block 21 is connected on first one end of telescopic rod 19 far from suction fan 18, and wedge block 21 and the cooperation of control mechanism 6 connect
It connects, control mechanism 6 includes the groove 22 in setting exhaust pipe 4, and wedge block 21 is located in groove 22, and groove 22 is far from wedge block
21 one end inner wall is equipped with the first threaded hole of inside and outside connection, and the first threaded hole internal screw thread is connected with the first threaded rod 23,
It is connected with the first handwheel on one end that first threaded rod 23 is located at outside groove 22, convenient for the first threaded rod 23 of rotation, passes through air-breathing
Fan 18 can aspirate the heat in cabinet body 1, and be emitted into the external world, improve the heat dissipation effect of cabinet body 1, how to work in work
Make to explain in principle.
Wherein, sliding equipment 9 includes the sliding slot 24 being disposed longitudinally on 3 bottom of cabinet body, and sliding block 25 is equipped in sliding slot 24, sliding
The side wall of block 25 is equipped with the second threaded hole of front and back connection, and the second threaded hole internal screw thread is connected with the second threaded rod 26, the
One end of two threaded rods 26 passes through the front end side wall of sliding slot 24 and extends to the outside of cabinet body 3, and the second threaded rod 26 is located at sliding slot
The second handwheel is connected on one end outside 24, convenient for the second threaded rod 26 of rotation, the other end and sliding slot 24 of the second threaded rod 26
The rotation connection of rear end side wall, the upper end of sliding block 15 connect with the lower end of the first support plate 10, and buffer unit 11 exists including being arranged
Second telescopic rod 27 of 10 upper end of the first support plate, the upper end of the second telescopic rod 27 are connect with the lower end of the second support plate 12, the
It is socketed with second spring 28 on two telescopic rods 27, so that electromechanical equipment moves in cabinet body 1, is installed convenient for electromechanical equipment.
Wherein, fixed device 13 includes the riser 29 that 12 upper end of the second support plate is arranged in, the opposite side of two pieces of risers 29
It is respectively connected with third telescopic rod 30 on wall, third spring 31 is socketed on third telescopic rod 30, third telescopic rod 30 is far from riser
29 one end is connected with fixed plate 32, convenient for electromechanical equipment is fixed by the effect of third spring 31.
Wherein, water supply device 15 includes the water storage cavity 33 being arranged in pedestal 1, and the bottom of water storage cavity 33 is equipped with suction pump
34, the top surface of water storage cavity 33 sets that there are two the first through hole that are connected to up and down, and extends through in two first through hole equipped with first
The upper end of aqueduct 35 and the second aqueduct 36, the first aqueduct 35 and the second aqueduct 36 both passes through the bottom of cooling duct 7
And extend in it, the lower end of the first aqueduct 35 is connect with suction pump 34, is equipped with second flow in the second aqueduct 36 and is controlled
Valve, convenient for the discharge of water in control cooling duct 7, the front end side wall of water storage cavity 33 is equipped with the second through-hole of inside and outside connection, and
Through third aqueduct 8 is equipped in through-hole, it is equipped with second flow control valve in third aqueduct 8, is conveniently replaceable in water storage cavity 33
Water.
The present invention can be fixed the electromechanical equipment being placed in the second support plate 12 by the effect of third spring 31,
It rotates the second handwheel energy band and moves the rotation of the second threaded rod 26, so that sliding block 25 slides in sliding slot 24, convenient for driving electromechanical equipment
It is slided in cabinet body 3, influence of the external force to electromechanical equipment can effectively be buffered by second spring 28, generated by air-cooler 16
Cold wind enters in cabinet body 3 through air inlet pipe 17, and the gas in cabinet body 3 can be discharged for suction fan 18, and the water in water storage cavity 33 is drawing water
Under the action of pump 34, it will be pumped into cooling duct 7 by the first conduit 35, cabinet body 3 will be cooled down, it is ensured that dissipating in cabinet body 3
Thermal effect rotates first-hand wheel and drives the rotation of the first threaded rod 23, so that the first threaded rod 23 moves in groove 22, by the
One threaded rod 23 can push up wedge block 21 to the outside of groove 22, be conveniently replaceable suction fan 18.
Although pedestal 1, refrigerating plant 2, cabinet body 3, exhaust pipe 4, getter device 5, control mechanism is used more herein
6, cooling duct 7, third aqueduct 8, sliding equipment 9, the first support plate 10, buffer unit 11, the second support plate 12, fixed dress
Set 13, rotation door 14, water supply device 15, air-cooler 16, air inlet pipe 17, suction fan 18, the first telescopic rod 19, the first spring 20,
Wedge block 21, groove 22, the first threaded rod 23, sliding slot 24, sliding block 25, the second threaded rod 26, second flexible 27 bars, second spring
28, riser 29, third telescopic rod 30, third spring 31, fixed plate 32, water storage cavity 33, suction pump 34, the first aqueduct 35 and
The terms such as two aqueducts 36, but it does not exclude the possibility of using other terms.The use of these items is only for more convenient
Ground describes and explains essence of the invention；Being construed as any additional limitation is disagreed with spirit of that invention
's.
Claims (3)
1. a kind of equipment cooling device, including pedestal (1), which is characterized in that the pedestal (1) is equipped with refrigerating plant (2), described
Pedestal (1) is equipped with cabinet body (3), and the side wall of the cabinet body (3) connect with refrigerating plant (2), sets on the side wall of the cabinet body (3)
Have exhaust pipe (4), the exhaust pipe (4) is set on one end side wall of cabinet body (3) separate refrigerating plant (2), the exhaust pipe
(4) getter device (5) are equipped in, and the getter device (5) is set in one end of exhaust pipe (4) separate cabinet body (3), it is described
The top surface and bottom of exhaust pipe (4) are equipped with control mechanism (6), and the control mechanism (6) and getter device (5) are cooperatively connected,
Cooling duct (7) are equipped in the cabinet body (3), the bottom of the cabinet body (3) is equipped with sliding equipment (9), the sliding equipment (9)
Upper end is equipped with the first support plate (10), and first support plate (10) is equipped with multiple buffer units (11), the buffer unit
(11) upper end is equipped with the second support plate (12), sets that there are two fixed device (13), the cabinets on second support plate (12)
The front end side wall of body (3) is equipped with opening, and rotation door (14) is equipped in opening, equipped with water supply device in the pedestal (1)
(15), and water supply device (15) is connect with cooling duct (7), and the refrigerating plant (2) includes being arranged in the cold of pedestal (1) upper end
The outlet air opening of blower (16), the air-cooler (16) is connect with one end of air inlet pipe (17), the air inlet pipe (17) it is another
It holds the side wall across cabinet body (3) and extends to inside it, the getter device (5) includes the air-breathing being arranged in exhaust pipe (4)
It fans (18), the top and bottom of the suction fan (18) are respectively connected with the first telescopic rod (19), on first telescopic rod (19)
It is socketed with the first spring (20), is connected with wedge block (21) on one end of first telescopic rod (19) separate suction fan (18),
And wedge block (21) and control mechanism (6) are cooperatively connected, the control mechanism (6) includes the groove in setting exhaust pipe (4)
(22), and wedge block (21) is located in groove (22), and the groove (22) is equipped with interior far from one end inner wall of wedge block (21)
First threaded hole of outer connection, and the first threaded hole internal screw thread is connected with the first threaded rod (23), the sliding equipment (9) includes
The sliding slot (24) being disposed longitudinally on cabinet body (3) bottom, the sliding slot (24) is interior to be equipped with sliding block (25), the side of the sliding block (25)
Wall is equipped with the second threaded hole of front and back connection, and the second threaded hole internal screw thread is connected with the second threaded rod (26), and described second
One end of threaded rod (26) passes through the front end side wall of sliding slot (24) and extends to the outside of cabinet body (3), second threaded rod
(26) the rear end side wall of the other end and sliding slot (24) is rotatablely connected, upper end and the first support plate (10) of the sliding block (25)
Lower end connection, the fixed device (13) include riser (29) of the setting in the second support plate (12) upper end, two pieces of risers
(29) it is respectively connected in opposing sidewalls third telescopic rod (30), is socketed with third spring on the third telescopic rod (30)
(31), the third telescopic rod (30) is connected with fixed plate (32) far from the one end of riser (29).
2. equipment cooling device according to claim 1, which is characterized in that the buffer unit (11) includes being arranged first
Second telescopic rod (27) of support plate (10) upper end, the upper end of second telescopic rod (27) and the lower end of the second support plate (12)
It connects, is socketed with second spring (28) on second telescopic rod.
3. equipment cooling device according to claim 1, which is characterized in that the water supply device (15) includes being arranged in pedestal
(1) bottom of the water storage cavity (33) in, the water storage cavity (33) is equipped with suction pump (34), and the top surface of the water storage cavity (33) is equipped with
The first through hole of about two connections, and extend through in two first through hole equipped with the first aqueduct (35) and the second aqueduct
(36), the upper end of first aqueduct (35) and the second aqueduct (36) both passes through the bottom of cooling duct (7) and extends to
In it, the lower end of first aqueduct (35) is connect with suction pump (34), and the front end side wall of the water storage cavity (33) is equipped with
Second through-hole of inside and outside connection, and through equipped with third aqueduct (8) in through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810056472.7A CN107995839B (en) | 2018-01-21 | 2018-01-21 | A kind of equipment cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810056472.7A CN107995839B (en) | 2018-01-21 | 2018-01-21 | A kind of equipment cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107995839A CN107995839A (en) | 2018-05-04 |
| CN107995839B true CN107995839B (en) | 2019-07-02 |
Family
ID=62039816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810056472.7A Expired - Fee Related CN107995839B (en) | 2018-01-21 | 2018-01-21 | A kind of equipment cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107995839B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084606A (en) * | 2018-07-04 | 2018-12-25 | 合肥欧语自动化有限公司 | A kind of automation equipment radiator |
| CN109005658A (en) * | 2018-08-27 | 2018-12-14 | 郑州讯轨通信科技有限公司 | A kind of high-efficient heat-dissipating electronic communication cabinet |
| CN110856387A (en) * | 2019-11-19 | 2020-02-28 | 江苏中高俊聪通信科技有限公司 | Dampproofing shock attenuation communication equipment |
| CN116646857B (en) * | 2023-07-27 | 2023-09-26 | 国网山东省电力公司东营供电公司 | Intelligent heat dissipation type power distribution cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9204576B2 (en) * | 2012-09-14 | 2015-12-01 | Cisco Technolgy, Inc. | Apparatus, system, and method for configuring a system of electronic chassis |
| CN104682215A (en) * | 2013-11-28 | 2015-06-03 | 常州校果信息服务有限公司 | Switch cabinet with sliding installing plate |
| CN205565406U (en) * | 2016-04-18 | 2016-09-07 | 象山逸迪电子科技有限公司 | Outdoor cabinet with arc extinguishing damping device |
| CN206273055U (en) * | 2016-12-28 | 2017-06-20 | 重庆鹏达电气有限责任公司 | A kind of regulator cubicle |
| CN107046782B (en) * | 2017-01-09 | 2020-01-21 | 浙江威奇电气有限公司 | Rural sewage treatment facility control electric control cabinet |
-
2018
- 2018-01-21 CN CN201810056472.7A patent/CN107995839B/en not_active Expired - Fee Related
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| CN107995839A (en) | 2018-05-04 |
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Effective date of registration: 20200806 Address after: 425000 Hunan Changfeng Automobile Air Conditioning Co., Ltd., east of Lingling South Road, cheetah automobile supporting industrial park, Yongzhou City, Hunan Province Patentee after: Hunan Dongjun Cooling System Co.,Ltd. Address before: 102419 No. 50, No. 4, Xiyuan Village, Da'an Township, Fangshan District, Beijing Patentee before: BEIJING DINGHAN TECHNOLOGY Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20220121 |