CN209569831U - Central air-conditioning heat abstractor - Google Patents
Central air-conditioning heat abstractor Download PDFInfo
- Publication number
- CN209569831U CN209569831U CN201920262262.3U CN201920262262U CN209569831U CN 209569831 U CN209569831 U CN 209569831U CN 201920262262 U CN201920262262 U CN 201920262262U CN 209569831 U CN209569831 U CN 209569831U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- housing
- fixed
- casing
- filter screen
- 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
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 52
- 238000001816 cooling Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract 3
- 238000013016 damping Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
技术领域technical field
本实用新型涉及空调散热技术领域，具体为一种中央空调散热装置。The utility model relates to the technical field of air-conditioning heat dissipation, in particular to a central air-conditioning heat dissipation device.
背景技术Background technique
随着人们对室内环境美观的要求日益提高，家电早已成为了家庭装修的一部分，中央空调由于可以很好的与家居风格相匹配、达到美观协调的效果，正逐渐为大众所接受，中央空调外机由于功率较大，因此对散热有着比较严格的要求，目前的中央空调散热装置大多结构简单，功能单一，具体存在如下问题；As people's requirements for the beauty of the indoor environment are increasing, home appliances have already become a part of home decoration. The central air conditioner is gradually accepted by the public because it can match the home style well and achieve a beautiful and harmonious effect. Due to the large power of the machine, it has relatively strict requirements on heat dissipation. Most of the current central air-conditioning heat dissipation devices have simple structures and single functions. The specific problems are as follows;
1、目前的中央空调散热装置散热方式单一，散热效果不佳；1. The current central air-conditioning cooling device has a single cooling method, and the cooling effect is not good;
2、现有的此类装置不便于固定安装，而且不具备减震避震的功能，在使用时容易发生晃动，久而久之影响正常使用；2. The existing devices of this type are not convenient for fixed installation, and do not have the function of shock absorption and shock absorption. They are prone to shaking during use, which will affect normal use over time;
3、此类装置的进风口没有设置防尘滤网，容易造成堵塞，而部分具备滤网的此类装置不便于将滤网进行拆卸更换，不利于长期使用。3. The air inlet of this type of device is not equipped with a dust-proof filter, which is easy to cause blockage, and some devices of this type with a filter are inconvenient to disassemble and replace the filter, which is not conducive to long-term use.
实用新型内容Utility model content
本实用新型的目的在于提供一种中央空调散热装置，以解决上述背景技术中提出的现有的散热装置散热方式单一，效果不佳、不便于固定安装、不具备减震功能以及进风口容易堵塞的问题。The purpose of this utility model is to provide a central air-conditioning heat dissipation device to solve the problem that the existing heat dissipation device proposed in the background technology has a single heat dissipation method, poor effect, inconvenient fixed installation, no shock absorption function, and easy blockage of the air inlet The problem.
为实现上述目的，本实用新型提供如下技术方案：一种中央空调散热装置，包括散热管、风机、壳体和滤网，所述壳体的底端固定有减震底座，且减震底座内部的中央位置处设置有弹性垫片，所述弹性垫片的内部均匀设置有通孔，所述壳体内部的底端设置有集水槽，且集水槽的一侧设置有出水口，所述壳体内部的中央位置处设置有散热管，且散热管上均匀设置有散热板，所述散热板的两侧均匀固定有散热翅，所述壳体内部的顶端固定有喷洒装置，且喷洒装置的底端设置有喷头，所述壳体顶端的中央位置处固定有风机，且风机远离壳体的一侧设置有活性炭网，所述壳体的两侧均设置有进风口，且进风口的内部均设置有滤网。In order to achieve the above purpose, the utility model provides the following technical solutions: a central air-conditioning heat dissipation device, including a heat dissipation pipe, a fan, a casing and a filter screen, the bottom of the casing is fixed with a shock-absorbing base, and the inside of the shock-absorbing base An elastic gasket is provided at the central position of the elastic gasket, and through holes are evenly arranged inside the elastic gasket, and a water collection tank is provided at the bottom end of the inside of the housing, and a water outlet is provided on one side of the water collection tank. A heat dissipation pipe is arranged at the central position inside the body, and a heat dissipation plate is uniformly arranged on the heat dissipation pipe, heat dissipation fins are evenly fixed on both sides of the heat dissipation plate, and a spraying device is fixed on the top of the inside of the housing, and the spraying device The bottom end is provided with a nozzle, the central position of the top of the housing is fixed with a fan, and the side of the fan away from the housing is provided with an activated carbon net, and both sides of the housing are provided with air inlets, and the inside of the air inlets All have filters.
优选的，所述散热管的呈螺旋状固定于壳体的内部，且散热管的材质为铜。Preferably, the radiating pipe is spirally fixed inside the casing, and the material of the radiating pipe is copper.
优选的，所述喷头等间距分布，且喷头的输出端均设置有均布罩。Preferably, the spray heads are distributed at equal intervals, and the output ends of the spray heads are all provided with evenly distributed covers.
优选的，所述壳体两侧的底端均焊接有安装板，且安装板上均匀固定有固定螺栓。Preferably, the bottom ends of both sides of the housing are welded with mounting plates, and fixing bolts are uniformly fixed on the mounting plates.
优选的，所述滤网的两端均固定有卡块，所述进风口内部的两端均设置有与卡块相匹配的卡槽，且卡槽与卡块的连接处均设置有密封垫，所述滤网均与进风口构成安装拆卸结构。Preferably, both ends of the filter screen are fixed with clamping blocks, both ends inside the air inlet are provided with clamping slots matching the clamping blocks, and the joints between the clamping slots and the clamping blocks are provided with sealing gaskets , the filter screens form an installation and disassembly structure with the air inlet.
优选的，所述弹性垫片的两侧均设置有碟簧，且碟簧呈“W”型结构连接。Preferably, disc springs are provided on both sides of the elastic gasket, and the disc springs are connected in a "W"-shaped structure.
与现有技术相比，本实用新型的有益效果是：Compared with the prior art, the beneficial effects of the utility model are:
(1)该中央空调散热装置通过安装有壳体、进风口、散热管、散热板、散热翅、喷洒装置、喷头以及集水槽，中央空调外机产生的热量从进风口进入到壳体内部，经温度较低的散热管冷却换热，使得将热气降温，散热板以及散热翅增加了装置的散热面积与散热效果，冷凝后凝结的水珠滴入到集水槽中进行收集，与此同时，喷头可以喷出冷却液，不仅可以对热气降温，而且也能对散热管表面进行散热，避免散热管温度过高影响使用寿命，综上所述，多种方式进行散热，装置散热速度更快，效果更好。(1) The heat dissipation device of the central air conditioner is equipped with a housing, an air inlet, a heat dissipation pipe, a heat dissipation plate, a heat dissipation fin, a spray device, a nozzle and a water collection tank, and the heat generated by the central air conditioner’s external unit enters the interior of the housing from the air inlet, Cooling and exchanging heat through the cooling pipe with a lower temperature, so that the hot air is cooled down. The heat dissipation plate and the heat dissipation fin increase the heat dissipation area and heat dissipation effect of the device. After condensation, the condensed water droplets drop into the water collection tank for collection. At the same time, The nozzle can spray coolant, which can not only cool down the hot air, but also dissipate heat on the surface of the heat dissipation pipe, so as to avoid the high temperature of the heat dissipation pipe from affecting the service life. Better results.
(2)该中央空调散热装置通过安装有安装板，在安装板上均匀固定有固定螺栓，使得便于装置的固定安装，使得连接紧密，不容易松动，同时装置通过安装有减震底座，减震底座的内部设置有弹性垫片，弹性垫片的内部均匀设置有通孔，便于增加弹性垫片的弹性，弹性垫片的两侧均匀设置有碟簧，碟簧呈“W”型结构连接，便于提高装置的缓冲减震性能，避免在使用的时候产生剧烈晃动，影响装置的使用。(2) The central air-conditioning cooling device is installed with a mounting plate, and fixed bolts are uniformly fixed on the mounting plate, which facilitates the fixed installation of the device and makes the connection tight and not easy to loosen. The inside of the base is provided with an elastic gasket, and the inside of the elastic gasket is uniformly provided with through holes, which is convenient to increase the elasticity of the elastic gasket. Disc springs are evenly arranged on both sides of the elastic gasket, and the disc springs are connected in a "W" structure. It is convenient to improve the cushioning and shock absorption performance of the device, and avoid violent shaking during use, which affects the use of the device.
(3)该中央空调散热装置通过在进风口的内部均设置有滤网，便于将热气流中存在的杂质颗粒进行过滤，防止装置产生堵塞，同时在滤网的两端均固定有卡块，在进风口内部的两端均设置有与卡块相匹配的卡槽，便于将滤网插入到进风口内部进行固定，便于滤网的拆卸与更换，利于装置的长期使用。(3) The central air-conditioning heat dissipation device is equipped with a filter screen inside the air inlet, which is convenient for filtering the impurity particles existing in the hot air flow, preventing the device from being blocked, and at the same time, blocks are fixed at both ends of the filter screen, Both ends inside the air inlet are provided with card slots that match the blocks, which is convenient for inserting the filter screen into the inside of the air inlet for fixing, facilitates the disassembly and replacement of the filter screen, and is beneficial to the long-term use of the device.
附图说明Description of drawings
图1为本实用新型的正视剖面结构示意图；Fig. 1 is the front view sectional structure schematic diagram of the utility model;
图2为本实用新型的图1中A处放大剖面结构示意图；Fig. 2 is the schematic diagram of enlarged section structure at A place in Fig. 1 of the present utility model;
图3为本实用新型的图1中B处放大剖面结构示意图；Fig. 3 is the schematic diagram of enlarged section structure at B place in Fig. 1 of the present utility model;
图4为本实用新型的图1中C处放大剖面结构示意图。FIG. 4 is a schematic diagram of an enlarged cross-sectional structure at C in FIG. 1 of the present invention.
图中：1、安装板；2、减震底座；3、集水槽；4、进风口；5、散热管；6、喷洒装置；7、风机；8、活性炭网；9、喷头；10、壳体；11、滤网；12、出水口；13、固定螺栓；14、散热翅；15、散热板；16、卡块；17、卡槽；18、通孔；19、碟簧；20、弹性垫片。In the figure: 1. Mounting plate; 2. Shock-absorbing base; 3. Water collection tank; 4. Air inlet; 5. Heat dissipation pipe; 6. Spraying device; 7. Fan; 8. Activated carbon net; body; 11. filter screen; 12. water outlet; 13. fixed bolt; 14. cooling fin; 15. cooling plate; 16. block; 17. slot; 18. through hole; 19. disc spring; gasket.
具体实施方式Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1-4，本实用新型提供的一种实施例：一种中央空调散热装置，包括散热管5、风机7、壳体10和滤网11，壳体10的底端固定有减震底座2，且减震底座2内部的中央位置处设置有弹性垫片20，弹性垫片20的内部均匀设置有通孔18，弹性垫片20的两侧均设置有碟簧19，且碟簧19呈“W”型结构连接，便于提高装置的缓冲减震性能，避免在使用的时候产生剧烈晃动，影响装置的使用，壳体10内部的底端设置有集水槽3，且集水槽3的一侧设置有出水口12，壳体10内部的中央位置处设置有散热管5，散热管5的呈螺旋状固定于壳体10的内部，且散热管5的材质为铜，增加热气流经的时间，提高换热效果，提高散热效率，且散热管5上均匀设置有散热板15，散热板15的两侧均匀固定有散热翅14，壳体10内部的顶端固定有喷洒装置6，喷洒装置6上设置有冷却液进液口，使用时与冷却液存储装置的导出管连接，导入冷却液，且喷洒装置6的底端设置有喷头9，喷头9等间距分布，且喷头9的输出端均设置有均布罩，便于均匀喷出冷却液，壳体10顶端的中央位置处固定有风机7，且风机7远离壳体10的一侧设置有活性炭网8，壳体10的两侧均设置有进风口4，且进风口4的内部均设置有滤网11，滤网11的两端均固定有卡块16，进风口4内部的两端均设置有与卡块16相匹配的卡槽17，且卡槽17与卡块16的连接处均设置有密封垫，滤网11均与进风口4构成安装拆卸结构，便于滤网11的拆卸与更换，利于装置的长期使用，壳体10两侧的底端均焊接有安装板1，且安装板1上均匀固定有固定螺栓13，便于装置的固定安装，使得连接紧密，不容易松动。Please refer to Figures 1-4, an embodiment provided by the utility model: a central air-conditioning heat dissipation device, including a heat dissipation pipe 5, a fan 7, a housing 10 and a filter screen 11, and the bottom end of the housing 10 is fixed with a shock absorber The base 2, and the central position inside the shock-absorbing base 2 is provided with an elastic washer 20, the inside of the elastic washer 20 is uniformly provided with through holes 18, both sides of the elastic washer 20 are provided with disc springs 19, and the disc springs 19 is connected in a "W" type structure, which is convenient to improve the buffering and shock absorption performance of the device, and avoids violent shaking during use, which affects the use of the device. One side is provided with a water outlet 12, and the central position inside the casing 10 is provided with a heat dissipation pipe 5, which is spirally fixed inside the casing 10, and the material of the heat dissipation pipe 5 is copper, which increases the flow of hot air. time, improve the heat exchange effect, improve the heat dissipation efficiency, and the heat dissipation plate 15 is evenly arranged on the heat dissipation pipe 5, the heat dissipation fins 14 are evenly fixed on both sides of the heat dissipation plate 15, and the spraying device 6 is fixed on the top inside the housing 10, spraying The cooling liquid inlet is provided on the device 6, which is connected with the outlet pipe of the cooling liquid storage device during use, and the cooling liquid is introduced, and the bottom end of the spraying device 6 is provided with a nozzle 9, which is distributed at equal intervals, and the output of the nozzle 9 Both ends are provided with a uniform cover, which is convenient for uniform spraying of cooling liquid. A fan 7 is fixed at the center of the top of the housing 10, and the side of the fan 7 away from the housing 10 is provided with an activated carbon net 8. Both sides of the housing 10 All are provided with air inlet 4, and the interior of air inlet 4 is all provided with filter screen 11, and the two ends of filter screen 11 are all fixed with block 16, and the two ends inside air inlet 4 are all provided with the matching with block 16. The card slot 17, and the joint between the card slot 17 and the block 16 is provided with a gasket, and the filter screen 11 and the air inlet 4 form an installation and disassembly structure, which is convenient for the disassembly and replacement of the filter screen 11, and is beneficial to the long-term use of the device. The bottom ends on both sides of the body 10 are welded with a mounting plate 1, and the mounting plate 1 is evenly fixed with fixing bolts 13, which is convenient for the fixed installation of the device, so that the connection is tight and not easy to loosen.
工作原理：使用时，首先通过安装板1以及固定螺栓13将装置固定安装在合适的位置，接通电源，风机7运行，将空调外机产生的热量从进风口4抽入到壳体10内部，在进风口4的内部均设置有滤网11，便于将热气流中存在的杂质颗粒进行过滤，防止装置产生堵塞，之后热气经温度较低的散热管5冷却换热，使得将热气降温，散热板15以及散热翅14增加了装置的散热面积与散热效果，热气冷凝后凝结的水珠滴入到集水槽3中进行收集，与此同时，喷头9可以喷出冷却液，不仅可以对热气降温，而且也能对散热管5表面进行散热，避免散热管5温度过高影响使用寿命，综上所述，多种方式进行散热，装置散热速度更快，效果更好，装置底部安装有减震底座2，减震底座2的内部设置有弹性垫片20，弹性垫片20的内部均匀设置有通孔18，便于增加弹性垫片20的弹性，弹性垫片20的两侧均匀设置有碟簧19，碟簧19呈“W”型结构连接，便于提高装置的缓冲减震性能，避免在使用的时候产生剧烈晃动，影响装置的使用。Working principle: When in use, first fix the device at a suitable position through the mounting plate 1 and fixing bolts 13, turn on the power, and the fan 7 runs to draw the heat generated by the air conditioner external unit into the housing 10 from the air inlet 4 , the inside of the air inlet 4 is provided with a filter screen 11, which is convenient for filtering the impurity particles existing in the hot air flow to prevent the device from clogging, and then the hot air is cooled and exchanged through the heat dissipation pipe 5 with a lower temperature, so that the hot air is cooled down. The heat dissipation plate 15 and the heat dissipation fins 14 increase the heat dissipation area and heat dissipation effect of the device. After the hot air condenses, the condensed water droplets drop into the water collection tank 3 for collection. cooling, and can also dissipate heat on the surface of the heat dissipation pipe 5, so as to avoid the high temperature of the heat dissipation pipe 5 from affecting the service life. Shock base 2, the interior of shock-absorbing base 2 is provided with elastic gasket 20, and the inside of elastic gasket 20 is uniformly provided with through hole 18, is convenient to increase the elasticity of elastic gasket 20, and the both sides of elastic gasket 20 are evenly provided with dish The spring 19 and the disc spring 19 are connected in a "W"-shaped structure, which is convenient to improve the buffering and shock-absorbing performance of the device, and avoids violent shaking during use, which affects the use of the device.
对于本领域技术人员而言，显然本实用新型不限于上述示范性实施例的细节，而且在不背离本实用新型的精神或基本特征的情况下，能够以其他的具体形式实现本实用新型。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本实用新型的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920262262.3U CN209569831U (en) | 2019-03-01 | 2019-03-01 | Central air-conditioning heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920262262.3U CN209569831U (en) | 2019-03-01 | 2019-03-01 | Central air-conditioning heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569831U true CN209569831U (en) | 2019-11-01 |
Family
ID=68334495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920262262.3U Expired - Fee Related CN209569831U (en) | 2019-03-01 | 2019-03-01 | Central air-conditioning heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569831U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029946A (en) * | 2019-12-30 | 2020-04-17 | 河北卓越电气有限责任公司 | Water-cooling power distribution cabinet convenient to change internal cooling water |
-
2019
- 2019-03-01 CN CN201920262262.3U patent/CN209569831U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029946A (en) * | 2019-12-30 | 2020-04-17 | 河北卓越电气有限责任公司 | Water-cooling power distribution cabinet convenient to change internal cooling water |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110034500A (en) | A kind of distribution box of high-performance heat dissipation | |
| CN204923244U (en) | Split standard type air -conditioner | |
| CN205942583U (en) | Main frame heat dissipation case | |
| CN209569831U (en) | Central air-conditioning heat abstractor | |
| CN206711013U (en) | A kind of heat dissipation tank of computer hardware | |
| CN110630478A (en) | Compressor that radiating effect is good | |
| CN210983320U (en) | A computer air-cooled area convection multi-channel heat dissipation structure | |
| CN209820217U (en) | Air-cooled self-suction type efficient heat exchanger | |
| CN111397042B (en) | Semiconductor air conditioner | |
| CN109195415A (en) | A kind of radiator of filter | |
| CN210866953U (en) | External heat dissipation device for power equipment | |
| CN219938826U (en) | A dustproof, high-efficient heat radiation structure for power supply unit | |
| CN209991567U (en) | Water-cooling air conditioner | |
| CN208969598U (en) | A kind of automated computer cooling device | |
| CN206145812U (en) | Novel cabinet air conditioner indoor set structure | |
| CN114007373B (en) | A heat dissipation device for electromechanical equipment | |
| CN212253359U (en) | Water-cooling heat dissipation device for refrigeration equipment | |
| CN210861815U (en) | A high-efficiency evaporator | |
| CN212081526U (en) | Semiconductor air conditioner | |
| CN211518981U (en) | Heat radiator of variable data digital printing machine | |
| CN208124925U (en) | A kind of rainwater-collecting cooling-down type cooling tower | |
| CN222147421U (en) | High-frequency rectifier device | |
| KR200300016Y1 (en) | The machine functioning both heater and air conditioner | |
| CN205783342U (en) | A kind of ceiling air conditioner | |
| CN215643447U (en) | Cooling device for electronic display screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |