CN217787694U - Computer heat dissipation machine case - Google Patents

Computer heat dissipation machine case Download PDF

Info

Publication number
CN217787694U
CN217787694U CN202122887654.9U CN202122887654U CN217787694U CN 217787694 U CN217787694 U CN 217787694U CN 202122887654 U CN202122887654 U CN 202122887654U CN 217787694 U CN217787694 U CN 217787694U
Authority
CN
China
Prior art keywords
ventilation
casing
box
rod
plate
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
Application number
CN202122887654.9U
Other languages
Chinese (zh)
Inventor
常大俊
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.)
Changchun Architecture and Civil Engineering College
Original Assignee
Changchun Architecture and Civil Engineering College
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 Changchun Architecture and Civil Engineering College filed Critical Changchun Architecture and Civil Engineering College
Priority to CN202122887654.9U priority Critical patent/CN217787694U/en
Application granted granted Critical
Publication of CN217787694U publication Critical patent/CN217787694U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model discloses a computer heat dissipation machine case, including supporting shoe, box, ventilation assembly, bleeder vent and ventilation unit, the supporting shoe symmetry is located under the box, ventilation assembly runs through and locates on the box openly, the bleeder vent symmetry runs through the box lateral wall, the ventilation unit symmetry is located on the box inner wall side and is connected on the bleeder vent. The utility model belongs to the technical field of computer equipment, specifically indicate one kind through ventilative subassembly, set a plurality of shielding plates into the structure of similar shutter, can be rotatory through rotation control shielding plate, and then reinforcing quick-witted incasement outside air flow, reinforcing radiating computer heat dissipation machine case.

Description

一种计算机散热机箱computer cooling case

技术领域technical field

本实用新型属于计算机设备技术领域,具体是指一种计算机散热机箱。The utility model belongs to the technical field of computer equipment, in particular to a computer cooling case.

背景技术Background technique

随着信息化的不断提高,计算机的应用越来越普及在各种场合被广泛应用。With the continuous improvement of informatization, the application of computers is becoming more and more popular and widely used in various occasions.

计算机的机箱内安装有大量的元器件,元器件的持续高速运行会导致计算机主机箱内堆积大量的热量,导致计算机发热无法继续工作,目前部分计算机为了保证正常散热,会将一侧的机箱箱体设置成可旋转的侧板,为了增强散热效果,但是在使用时,打开侧板会占用大量空间,使用不方便。There are a large number of components installed in the computer case. The continuous high-speed operation of the components will cause a large amount of heat to accumulate in the main computer case, which will cause the computer to become overheated and unable to continue to work. The body is set as a rotatable side plate, in order to enhance the heat dissipation effect, but when in use, opening the side plate will take up a lot of space, which is inconvenient to use.

实用新型内容Utility model content

为了解决上述难题,本实用新型提供了一种通过透气组件,将若干遮挡板设置成为类似百叶窗的结构,可以通过转动控制遮挡板旋转,进而增强机箱内外空气流动,增强散热的计算机散热机箱。In order to solve the above-mentioned problems, the utility model provides a computer heat-dissipating case with ventilating components, a number of baffles are arranged into a structure similar to louvers, and the rotation of the baffles can be controlled by rotation, thereby enhancing the air flow inside and outside the case and enhancing heat dissipation.

为了实现上述功能,本实用新型采取的技术方案如下:一种计算机散热机箱,包括支撑块、箱体、透气组件、透气孔和通风装置,所述支撑块对称设于箱体下,所述透气组件贯穿设于箱体正面上,所述透气孔对称贯穿箱体侧壁,所述通风装置对称设于箱体内壁侧面上且连接于透气孔上;所述透气组件包括转动杆、遮挡板、传动杆、控制旋钮、齿盘一、传动链条和齿盘二,所述转动杆均匀分布转动设于箱体内,所述遮挡板对称设于转动杆两侧,所述齿盘一套接于转动杆上端,所述传动杆转动设于箱体顶部,所述齿盘二套接于传动杆上,所述传动链条套接于齿盘一和齿盘二上,通过转动控制旋钮,控制旋钮通过传动杆带动齿盘二转动,齿盘二通过传动链条带动齿盘一旋转,齿盘一通过传动杆带动遮挡板转动,当遮挡板旋转至与侧板平行时,则通风效果最好,反之亦然,用户可以根据情况选择是否打开,以及打开的角度,并且可以在遮挡板上粘贴图纸,大大增强美观性。In order to achieve the above functions, the technical solution adopted by the utility model is as follows: a computer heat dissipation chassis, including a support block, a box body, a ventilating component, a vent hole and a ventilation device, the support block is symmetrically arranged under the box body, the ventilating The components are installed on the front of the box body, the ventilation holes symmetrically penetrate the side wall of the box body, the ventilation device is symmetrically arranged on the side of the inner wall of the box body and connected to the ventilation holes; the ventilation component includes a rotating rod, a shielding plate, Transmission rod, control knob, gear plate 1, transmission chain and gear plate 2, the rotating rod is evenly distributed and rotated in the box body, the shielding plate is symmetrically arranged on both sides of the rotating rod, and the gear plate is sleeved on the rotating rod The upper end of the rod, the transmission rod is rotated on the top of the box, the second toothed disc is sleeved on the transmission rod, and the transmission chain is sleeved on the first toothed disc and the second toothed disc. By turning the control knob, the control knob passes The transmission rod drives the second toothed plate to rotate, the second toothed plate drives the first toothed plate to rotate through the transmission chain, and the first toothed plate drives the shielding plate to rotate through the transmission rod. When the shielding plate rotates to be parallel to the side plate, the ventilation effect is the best, and vice versa. Of course, users can choose whether to open it or not, and the opening angle according to the situation, and can paste drawings on the shielding board, which greatly enhances the aesthetics.

进一步地,所述通风装置包括驱动电机、通风扇叶、支撑杆和通风外壳,所述通风外壳对称设于箱体内壁侧面上,所述驱动电机设于箱体内壁侧面上,所述通风扇叶套接于驱动电机的输出端上,所述支撑杆设于通风外壳内且套接于驱动电机的输出端上。Further, the ventilation device includes a driving motor, a ventilation fan blade, a support rod and a ventilation casing, the ventilation casing is arranged symmetrically on the side of the inner wall of the box, the driving motor is arranged on the side of the inner wall of the box, and the ventilation fan The leaf is socketed on the output end of the driving motor, and the support rod is arranged in the ventilated casing and socketed on the output end of the driving motor.

为了形成风道,设于不同侧壁上的所述驱动电机旋转方向始终相反。In order to form the air duct, the driving motors arranged on different side walls rotate in opposite directions all the time.

其中,所述通风外壳为两侧面开口结构。Wherein, the ventilated shell has a structure with openings on both sides.

为了确保传动链条可以与全部的齿盘接触,所述齿盘二直径大于齿盘一直径。In order to ensure that the transmission chain can contact all the toothed discs, the diameter of the second toothed disc is larger than the first diameter of the toothed disc.

为了确保遮挡板平行时,可以实现遮挡板接触,避免存在空隙,导致灰尘通过这挡板之间的空隙进入,所述遮挡板宽度大于二分之一的传动杆间距In order to ensure that the baffles are in contact when the baffles are parallel to avoid gaps that cause dust to enter through the gaps between the baffles, the width of the baffles is greater than 1/2 of the distance between the transmission rods

本实用新型采取上述结构取得有益效果如下:本实用新型提供的一种计算机散热机箱操作简单,机构紧凑,设计合理,通过转动控制旋钮,控制旋钮通过传动杆带动齿盘二转动,齿盘二通过传动链条带动齿盘一旋转,齿盘一通过传动杆带动遮挡板转动,当遮挡板旋转至与侧板平行时,则通风效果最好,反之亦然,用户可以根据情况选择是否打开,以及打开的角度,并且可以在遮挡板上粘贴图纸,大大增强美观性。The utility model adopts the above-mentioned structure to obtain beneficial effects as follows: a computer cooling case provided by the utility model is simple in operation, compact in mechanism, and reasonable in design. By turning the control knob, the control knob drives the second toothed disc to rotate through the transmission rod, and the second toothed disc passes through The transmission chain drives the gear plate to rotate, and the gear plate drives the shielding plate to rotate through the transmission rod. When the shielding plate rotates to be parallel to the side plate, the ventilation effect is the best, and vice versa. Users can choose whether to open it or not according to the situation. angle, and drawings can be pasted on the shielding board, which greatly enhances the aesthetics.

附图说明Description of drawings

图1为本实用新型提出的一种计算机散热机箱的整体结构图;Fig. 1 is the overall structural diagram of a kind of computer cooling case that the utility model proposes;

图2为图1中A处局部放大图;Figure 2 is a partial enlarged view of A in Figure 1;

图3为本实用新型提出的一种计算机散热机箱的箱体上壁内部俯视结构图;Fig. 3 is a top view structure diagram inside the upper wall of a computer cooling case proposed by the utility model;

图4为本实用新型提出的一种计算机散热机箱的内部结构图。Fig. 4 is an internal structure diagram of a computer cooling case proposed by the utility model.

其中,1、支撑块,2、箱体,3、透气组件,4、透气孔,5、通风装置,6、转动杆,7、遮挡板,8、传动杆,9、控制旋钮,10、齿盘一,11、传动链条,12、齿盘二,13、驱动电机,14、通风扇叶,15、支撑杆,16、通风外壳。Among them, 1. Support block, 2. Box body, 3. Ventilation component, 4. Ventilation hole, 5. Ventilation device, 6. Rotating rod, 7. Shielding plate, 8. Transmission rod, 9. Control knob, 10. Teeth Disk one, 11, transmission chain, 12, toothed disk two, 13, driving motor, 14, ventilation fan blade, 15, support rod, 16, ventilation shell.

具体实施方式Detailed ways

下面将结合附图对本实用新型的技术方案进行清楚、完整地描述,显然,所描述的实施例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 of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, but not all of them. 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.

在本实用新型的描述中,需要说明的是,术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本实用新型和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本实用新型的限制。此外,术语“第一”、“第二”、“第三”仅用于描述目的,而不能理解为指示或暗示相对重要性。以下结合附图,对本实用新型做进一步详细说明。In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Below in conjunction with accompanying drawing, the utility model is described in further detail.

如图1、图2和图3所示,本实用新型提出的一种计算机散热机箱,包括支撑块1、箱体2、透气组件3、透气孔4和通风装置5,支撑块1对称设于箱体2下,透气组件3贯穿设于箱体2正面上,透气孔4对称贯穿箱体2侧壁,通风装置5对称设于箱体2内壁侧面上且连接于透气孔4上;透气组件3包括转动杆6、遮挡板7、传动杆8、控制旋钮9、齿盘一10、传动链条11和齿盘二12,转动杆6均匀分布转动设于箱体2内,遮挡板7对称设于转动杆6两侧,齿盘一10套接于转动杆6上端,传动杆8转动设于箱体2顶部,齿盘二12套接于传动杆8上,传动链条11套接于齿盘一10和齿盘二12上,通过转动控制旋钮9,控制旋钮9通过传动杆8带动齿盘二12转动,齿盘二12通过传动链条11带动齿盘一10旋转,齿盘一10通过传动杆8带动遮挡板7转动,当遮挡板7旋转至与侧板平行时,则通风效果最好,反之亦然,用户可以根据情况选择是否打开,以及打开的角度,并且可以在遮挡板7上粘贴图纸,大大增强美观性。As shown in Fig. 1, Fig. 2 and Fig. 3, a kind of computer heat dissipation cabinet proposed by the utility model comprises a support block 1, a box body 2, a ventilation assembly 3, a vent hole 4 and a ventilation device 5, and the support block 1 is symmetrically located on Under the box body 2, the ventilation component 3 is installed on the front of the box body 2, the ventilation hole 4 runs through the side wall of the box body 2 symmetrically, and the ventilation device 5 is symmetrically arranged on the side wall of the box body 2 and connected to the ventilation hole 4; the ventilation component 3 includes a rotating rod 6, a shielding plate 7, a transmission rod 8, a control knob 9, a toothed plate 10, a transmission chain 11 and a toothed plate 2 12, the rotating rod 6 is evenly distributed and rotated in the box body 2, and the shielding plate 7 is symmetrically arranged. On both sides of the rotating rod 6, the gear plate 1 10 is sleeved on the upper end of the rotating rod 6, the transmission rod 8 is rotated on the top of the box body 2, the gear plate 2 12 is sleeved on the transmission rod 8, and the transmission chain 11 is sleeved on the gear plate On the first 10 and the second toothed plate 12, by turning the control knob 9, the control knob 9 drives the second toothed plate 12 to rotate through the transmission rod 8, the second toothed plate 12 drives the first toothed plate 10 to rotate through the transmission chain 11, and the first toothed plate 10 passes through the transmission The rod 8 drives the shielding plate 7 to rotate. When the shielding plate 7 rotates to be parallel to the side plate, the ventilation effect is the best, and vice versa. Paste the drawings to greatly enhance the aesthetics.

如图4所示,通风装置5包括驱动电机13、通风扇叶14、支撑杆15和通风外壳16,通风外壳16对称设于箱体2内壁侧面上,驱动电机13设于箱体2内壁侧面上,通风扇叶14套接于驱动电机13的输出端上,支撑杆15设于通风外壳16内且套接于驱动电机13的输出端上。As shown in Figure 4, ventilation device 5 comprises driving motor 13, ventilation fan blade 14, support bar 15 and ventilation shell 16, and ventilation shell 16 is symmetrically arranged on the side of casing 2 inner wall, and driving motor 13 is located at casing 2 inner wall side Above, the ventilation fan blade 14 is socketed on the output end of the driving motor 13 , and the support rod 15 is arranged in the ventilation shell 16 and socketed on the output end of the driving motor 13 .

如图4所示,为了形成风道,设于不同侧壁上的驱动电机13旋转方向始终相反。As shown in FIG. 4 , in order to form an air duct, the driving motors 13 on different side walls rotate in opposite directions all the time.

如图4所示,通风外壳16为两侧面开口结构。As shown in FIG. 4 , the ventilated casing 16 is a structure with openings on both sides.

如图3所示,为了确保传动链条11可以与全部的齿盘接触,齿盘二12直径大于齿盘一10直径。As shown in FIG. 3 , in order to ensure that the transmission chain 11 can contact all the toothed discs, the diameter of the second toothed disc 12 is larger than that of the first toothed disc 10 .

如图2所示,为了确保遮挡板7平行时,可以实现遮挡板7接触,避免存在空隙,导致灰尘通过这挡板之间的空隙进入,遮挡板7宽度大于二分之一的传动杆8间距。As shown in Figure 2, in order to ensure that when the baffle plates 7 are parallel, the baffle plates 7 can be in contact to avoid gaps that cause dust to enter through the gaps between the baffle plates. spacing.

具体使用时,通过转动控制旋钮9,控制旋钮9通过传动杆8带动齿盘二12转动,齿盘二12通过传动链条11带动齿盘一10旋转,齿盘一10通过传动杆8带动遮挡板7转动,实现遮挡板7旋转调节,根据需要控制遮挡板7旋转。During specific use, by turning the control knob 9, the control knob 9 drives the second toothed plate 12 to rotate through the transmission rod 8, the second toothed plate 12 drives the first toothed plate 10 to rotate through the transmission chain 11, and the first toothed plate 10 drives the shielding plate through the transmission rod 8 7 is rotated to realize the rotation adjustment of the shielding plate 7, and the rotation of the shielding plate 7 is controlled as required.

以上对本实用新型及其实施方式进行了描述,这种描述没有限制性,附图中所示的也只是本实用新型的实施方式之一,实际的结构并不局限于此。总而言之如果本领域的普通技术人员受其启示,在不脱离本实用新型创造宗旨的情况下,不经创造性的设计出与该技术方案相似的结构方式及实施例,均应属于本实用新型的保护范围。The utility model and its implementation have been described above. This description is not restrictive. What is shown in the drawings is only one implementation of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (6)

1.一种计算机散热机箱,其特征在于:包括支撑块、箱体、透气组件、透气孔和通风装置,所述支撑块对称设于箱体下,所述透气组件贯穿设于箱体正面上,所述透气孔对称贯穿箱体侧壁,所述通风装置对称设于箱体内壁侧面上且连接于透气孔上;所述透气组件包括转动杆、遮挡板、传动杆、控制旋钮、齿盘一、传动链条和齿盘二,所述转动杆均匀分布转动设于箱体内,所述遮挡板对称设于转动杆两侧,所述齿盘一套接于转动杆上端,所述传动杆转动设于箱体顶部,所述齿盘二套接于传动杆上,所述传动链条套接于齿盘一和齿盘二上。1. A computer cooling case, characterized in that: it comprises a support block, a casing, a ventilation assembly, a ventilation hole and a ventilation device, the support block is symmetrically arranged under the casing, and the ventilation assembly is arranged on the front of the casing through , the ventilation hole symmetrically runs through the side wall of the box body, the ventilation device is symmetrically arranged on the side wall of the box body and connected to the ventilation hole; the ventilation component includes a rotating rod, a shielding plate, a transmission rod, a control knob, and a gear plate 1. The transmission chain and the toothed plate 2. The rotating rod is evenly distributed and rotated in the box, the shielding plate is symmetrically arranged on both sides of the rotating rod, the toothed plate is sleeved on the upper end of the rotating rod, and the driving rod rotates Set on the top of the box body, the second toothed disc is sleeved on the transmission rod, and the transmission chain is sleeved on the first toothed disc and the second toothed disc. 2.根据权利要求1所述的一种计算机散热机箱,其特征在于:所述通风装置包括驱动电机、通风扇叶、支撑杆和通风外壳,所述通风外壳对称设于箱体内壁侧面上,所述驱动电机设于箱体内壁侧面上,所述通风扇叶套接于驱动电机的输出端上,所述支撑杆设于通风外壳内且套接于驱动电机的输出端上。2. A computer cooling case according to claim 1, wherein the ventilation device comprises a drive motor, a ventilation fan blade, a support rod and a ventilation casing, and the ventilation casing is arranged symmetrically on the side of the inner wall of the casing, The driving motor is arranged on the side of the inner wall of the box, the ventilation fan blade is socketed on the output end of the driving motor, and the support rod is arranged in the ventilation shell and socketed on the output end of the driving motor. 3.根据权利要求2所述的一种计算机散热机箱,其特征在于:设于不同侧壁上的所述驱动电机旋转方向始终相反。3 . The computer cooling case according to claim 2 , wherein the driving motors on different side walls rotate in opposite directions. 4 . 4.根据权利要求3所述的一种计算机散热机箱,其特征在于:所述通风外壳为两侧面开口结构。4 . The computer cooling case according to claim 3 , wherein the ventilated casing is a structure with openings on both sides. 5 . 5.根据权利要求4所述的一种计算机散热机箱,其特征在于:所述齿盘二直径大于齿盘一直径。5 . The computer cooling case according to claim 4 , wherein the second diameter of the toothed disc is larger than the first diameter of the toothed disc. 6 . 6.根据权利要求5所述的一种计算机散热机箱,其特征在于:所述遮挡板宽度大于二分之一的传动杆间距。6 . The computer cooling case according to claim 5 , wherein the width of the baffle plate is greater than half of the distance between the transmission rods. 7 .
CN202122887654.9U 2021-11-19 2021-11-19 Computer heat dissipation machine case Expired - Fee Related CN217787694U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122887654.9U CN217787694U (en) 2021-11-19 2021-11-19 Computer heat dissipation machine case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122887654.9U CN217787694U (en) 2021-11-19 2021-11-19 Computer heat dissipation machine case

Publications (1)

Publication Number Publication Date
CN217787694U true CN217787694U (en) 2022-11-11

Family

ID=83903829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122887654.9U Expired - Fee Related CN217787694U (en) 2021-11-19 2021-11-19 Computer heat dissipation machine case

Country Status (1)

Country Link
CN (1) CN217787694U (en)

Similar Documents

Publication Publication Date Title
CN217787694U (en) Computer heat dissipation machine case
CN211427273U (en) Heat radiation structure of computer network safety controller with dustproof function
CN207473490U (en) A kind of computer cabinet with cooling structure
CN209560471U (en) A kind of energy saving and environment friendly heat-radiating chassis for computer
CN210985263U (en) A heat-dissipating power distribution cabinet for a substation
CN219145191U (en) Electric motors with noise-reducing enclosures
CN211591899U (en) A self-cooling printer
CN212873419U (en) Computer hardware heat abstractor
CN214206214U (en) A kind of air guide device for server
CN214281578U (en) A ventilation and heat dissipation type Internet vertical switch
CN209690856U (en) A computer hard disk protection device
CN211628186U (en) A non-screen-recording fortress machine with self-exhausting structure
CN211343426U (en) A variable automatic exhaust cooling control device used
CN222582810U (en) Intelligent box of internet of things
CN221901198U (en) Server cabinet
CN113286209A (en) Loudspeaker box with good heat dissipation effect
CN216769673U (en) Ventilating hood with noise reduction function
CN213809954U (en) Museum security monitoring device with regulatory function
CN211375493U (en) Combined computer
CN221806272U (en) Switch board ventilation unit
CN216017342U (en) Heat radiation structure for network server cabinet
CN217239039U (en) A kind of computer external device fixed hard disk storage device
CN219437352U (en) Open type equipment cabinet for electronic commerce
CN218163440U (en) LED display screen heat abstractor
CN211151259U (en) Communication engineering is with ventilative type power distribution cabinet of heat dissipation

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: 20221111

CF01 Termination of patent right due to non-payment of annual fee