CN211316763U - Device for keeping heat pump unit dry - Google Patents

Device for keeping heat pump unit dry Download PDF

Info

Publication number
CN211316763U
CN211316763U CN201921371092.9U CN201921371092U CN211316763U CN 211316763 U CN211316763 U CN 211316763U CN 201921371092 U CN201921371092 U CN 201921371092U CN 211316763 U CN211316763 U CN 211316763U
Authority
CN
China
Prior art keywords
heat pump
pump unit
box
fan
pump set
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
CN201921371092.9U
Other languages
Chinese (zh)
Inventor
郑桂绵
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.)
Foshan City Shunde Yuelly Energy Saving Equipment Co ltd
Original Assignee
Foshan City Shunde Yuelly Energy Saving Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan City Shunde Yuelly Energy Saving Equipment Co ltd filed Critical Foshan City Shunde Yuelly Energy Saving Equipment Co ltd
Priority to CN201921371092.9U priority Critical patent/CN211316763U/en
Application granted granted Critical
Publication of CN211316763U publication Critical patent/CN211316763U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Drying Of Solid Materials (AREA)

Abstract

The utility model discloses a belong to heat pump set technical field, specifically be a keep heat pump set dry device, including box, heat pump set, air discharge fan, motor and heater, the inner chamber bottom fixed mounting of box has heat pump set, the top central point bolted connection of heat pump set has the desiccator, the bottom central point of heat pump set installs the air discharge fan, the air discharge fan is located the bottom central point of box, the top central point bolted connection of box has the motor, the bottom power take off end fixed mounting of motor has the pivot, the bottom fixed mounting of pivot has the fan, the heater is all installed to the lateral wall about the inner chamber of box, can effectively dry heat pump set, also can heat the moisture in the air simultaneously and evaporate, improves the drying effect, utilizes the dust guard to improve heat pump set's life simultaneously, the use cost is reduced.

Description

一种保持热泵机组干燥的装置A device for keeping the heat pump unit dry

技术领域technical field

本实用新型涉及热泵机组技术领域,具体为一种保持热泵机组干燥的装置。The utility model relates to the technical field of heat pump units, in particular to a device for keeping the heat pump unit dry.

背景技术Background technique

热泵是一种充分利用低品位热能的高效节能装置。热量可以自发的从高温物体传递到低温物体中去,但不能自发地沿相反方向进行。热泵的工作原理就是以逆循环方式迫使热量从低温物体流向高温物体的机械装置,它仅消耗少量的逆循环净功,就可以得到较大的供热量,可以有效地把难以应用的低品位热能利用起来达到节能目的。A heat pump is a high-efficiency energy-saving device that makes full use of low-grade thermal energy. Heat can spontaneously transfer from a high temperature object to a low temperature object, but cannot spontaneously proceed in the opposite direction. The working principle of a heat pump is a mechanical device that forces heat to flow from a low temperature object to a high temperature object in a reverse cycle. The thermal energy is utilized to achieve the purpose of saving energy.

现有的热泵机组干燥装置在使用过程中干燥效果较差,同时不能对空气中的水分进行干燥,同时也不能对装置内的灰尘进行清除,影响热泵机组的使用寿命,提高使用成本。The existing heat pump unit drying device has poor drying effect during use, and cannot dry the moisture in the air, and at the same time cannot remove the dust in the device, which affects the service life of the heat pump unit and increases the use cost.

实用新型内容Utility model content

本部分的目的在于概述本实用新型的实施方式的一些方面以及简要介绍一些较佳实施方式。在本部分以及本申请的说明书摘要和实用新型名称中可能会做些简化或省略以避免使本部分、说明书摘要和实用新型名称的目的模糊,而这种简化或省略不能用于限制本实用新型的范围。The purpose of this section is to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the title of the utility model of this application to avoid obscuring the purpose of this part, the abstract of the specification and the title of the utility model, and such simplification or omission cannot be used to limit the utility model range.

鉴于现有的热泵机组干燥装置在使用过程中干燥效果较差,同时不能对空气中的水分进行干燥,同时也不能对装置内的灰尘进行清除,影响热泵机组的使用寿命,提高使用成本的问题,提出了本实用新型。In view of the poor drying effect of the existing heat pump unit drying device during use, it cannot dry the moisture in the air, and at the same time cannot remove the dust in the device, which affects the service life of the heat pump unit and increases the use cost. , the utility model is proposed.

因此,本实用新型的目的是提供一种保持热泵机组干燥的装置,能够有效的对热泵机组进行干燥,同时也能将空气中的水分进行加热蒸发,提高干燥效果,同时利用防尘板提高热泵机组的使用寿命,降低使用成本。Therefore, the purpose of this utility model is to provide a device for keeping the heat pump unit dry, which can effectively dry the heat pump unit, and at the same time, can heat and evaporate the moisture in the air, improve the drying effect, and use the dustproof plate to improve the heat pump unit. The service life of the unit is reduced, and the cost of use is reduced.

为解决上述技术问题,根据本实用新型的一个方面,本实用新型提供了如下技术方案:In order to solve the above-mentioned technical problems, according to one aspect of the present utility model, the utility model provides the following technical solutions:

一种保持热泵机组干燥的装置,包括箱体、热泵机组、排气扇、电机和加热器,所述箱体的内腔底部固定安装有热泵机组,所述热泵机组的顶部中央位置螺栓连接有干燥机,所述热泵机组的底部中央位置安装有排气扇,所述排气扇位于箱体的底部中央位置,所述箱体的顶部中央位置螺栓连接有电机,所述电机的底部动力输出端固定安装有转轴,所述转轴的底部固定安装有风扇,所述箱体的内腔左右侧壁均安装有加热器。A device for keeping a heat pump unit dry, including a box body, a heat pump unit, an exhaust fan, a motor and a heater, the heat pump unit is fixedly installed at the bottom of the inner cavity of the box body, and the top central position of the heat pump unit is bolted. Dryer, an exhaust fan is installed at the bottom center of the heat pump unit, the exhaust fan is located at the bottom center of the box, the top center of the box is bolted with a motor, and the bottom power output of the motor is A rotating shaft is fixedly installed at the end, a fan is fixedly installed at the bottom of the rotating shaft, and a heater is installed on the left and right side walls of the inner cavity of the box body.

作为本实用新型所述的一种保持热泵机组干燥的装置的一种优选方案,其中:所述箱体的底部左右两侧均焊接有支撑柱,所述支撑柱的顶部设置有防滑套。As a preferred solution of the device for keeping the heat pump unit dry according to the present invention, wherein: the left and right sides of the bottom of the box body are welded with support columns, and the top of the support columns is provided with anti-skid sleeves.

作为本实用新型所述的一种保持热泵机组干燥的装置的一种优选方案,其中:所述热泵机组的内腔左右侧壁中央位置均开有进气口,所述热泵机组的顶部左右两侧均滑动连接防尘板。As a preferred solution of the device for keeping the heat pump unit dry according to the present utility model, wherein: the central positions of the left and right side walls of the inner cavity of the heat pump unit are provided with air inlets, and the top of the heat pump unit is provided with air inlets on the left and right sides. Both sides are slidingly connected to the dustproof plate.

作为本实用新型所述的一种保持热泵机组干燥的装置的一种优选方案,其中:所述热泵机组的内腔底部中央位设置有排气管,所述排气管位于排气扇的顶部中央位置。As a preferred solution of the device for keeping the heat pump unit dry according to the present utility model, wherein: an exhaust pipe is arranged at the center of the bottom of the inner cavity of the heat pump unit, and the exhaust pipe is located on the top of the exhaust fan Central location.

作为本实用新型所述的一种保持热泵机组干燥的装置的一种优选方案,其中:所述风扇的内腔中央位置固定安装有连接轴,所述连接轴与转轴相连接,所述连接轴的外侧壁焊接有扇叶。As a preferred solution of the device for keeping the heat pump unit dry according to the present invention, wherein: a connecting shaft is fixedly installed in the center of the inner cavity of the fan, the connecting shaft is connected with the rotating shaft, and the connecting shaft is Fan blades are welded to the outer side wall.

作为本实用新型所述的一种保持热泵机组干燥的装置的一种优选方案,其中:所述加热器的内腔顶部螺栓连接有加热片,所述加热器的底部开有多个通孔。As a preferred solution of the device for keeping the heat pump unit dry according to the present invention, wherein: the top of the inner cavity of the heater is bolted with a heating sheet, and the bottom of the heater is provided with a plurality of through holes.

与现有技术相比:通过箱体内的热泵机组提供热量,同时再利用热泵机组上的防尘板进行防尘,避免有灰尘进入热泵机组内,提高热泵机组的使用寿命,利用干燥机可以热泵机组进行干燥,同时通过排气扇可以对热泵机组内进行排气,同时通过电机带动转轴和风扇与加热器对箱体内的空气进行加热和空气的流通,提高干燥效果。Compared with the prior art, heat is provided by the heat pump unit in the box, and at the same time, the dust-proof plate on the heat pump unit is used to prevent dust from entering the heat pump unit, so as to improve the service life of the heat pump unit. The unit is dried, and at the same time, the heat pump unit can be exhausted through the exhaust fan. At the same time, the motor drives the rotating shaft, the fan and the heater to heat the air in the box and circulate the air to improve the drying effect.

附图说明Description of drawings

为了更清楚地说明本实用新型实施方式的技术方案,下面将结合附图和详细实施方式对本实用新型进行详细说明,显而易见地,下面描述中的附图仅仅是本实用新型的一些实施方式,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其它的附图。其中:In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort. in:

图1为本实用新型整体结构示意图;Fig. 1 is the overall structure schematic diagram of the present utility model;

图2为本实用新型风扇内部结构示意图;2 is a schematic diagram of the internal structure of the fan of the present invention;

图3为本实用新型加热器内部结构示意图。FIG. 3 is a schematic diagram of the internal structure of the heater of the present invention.

图中:箱体100、支撑柱110、热泵机组200、进气口210、干燥机220、防尘板230、排气扇300、排气管310、电机400、转轴410、风扇420、连接轴430、扇叶440、加热器500、加热片510。In the figure: the box 100, the support column 110, the heat pump unit 200, the air inlet 210, the dryer 220, the dustproof plate 230, the exhaust fan 300, the exhaust pipe 310, the motor 400, the rotating shaft 410, the fan 420, the connecting shaft 430 , fan blade 440 , heater 500 , heating sheet 510 .

具体实施方式Detailed ways

为使本实用新型的上述目的、特征和优点能够更加明显易懂,下面结合附图对本实用新型的具体实施方式做详细的说明。In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

在下面的描述中阐述了很多具体细节以便于充分理解本实用新型,但是本实用新型还可以采用其他不同于在此描述的其它方式来实施,本领域技术人员可以在不违背本实用新型内涵的情况下做类似推广,因此本实用新型不受下面公开的具体实施方式的限制。In the following description, many specific details are set forth in order to fully understand the present utility model, but the present utility model can also be implemented in other ways different from those described herein, and those skilled in the art can do so without departing from the connotation of the present utility model. Therefore, the present invention is not limited by the specific embodiments disclosed below.

其次,本实用新型结合示意图进行详细描述,在详述本实用新型实施方式时,为便于说明,表示器件结构的剖面图会不依一般比例作局部放大,而且所述示意图只是示例,其在此不应限制本实用新型保护的范围。此外,在实际制作中应包含长度、宽度及深度的三维空间尺寸。Next, the present invention is described in detail with reference to the schematic diagrams. When describing the embodiments of the present utility model in detail, for the convenience of explanation, the cross-sectional views showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which are not described here. The scope of protection of the present invention should be limited. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual production.

为使本实用新型的目的、技术方案和优点更加清楚,下面将结合附图对本实用新型的实施方式作进一步地详细描述。In order to make the objectives, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

本实用新型提供一种保持热泵机组干燥的装置,用于能够有效的对热泵机组进行干燥,同时也能将空气中的水分进行加热蒸发,提高干燥效果,同时利用防尘板提高热泵机组的使用寿命,降低使用成本,请参阅图1,包括箱体100、热泵机组200、排气扇300、电机400和加热器500;The utility model provides a device for keeping the heat pump unit dry, which can effectively dry the heat pump unit, and at the same time, can heat and evaporate the moisture in the air to improve the drying effect. Longevity and cost reduction, please refer to FIG. 1 , including the box 100 , the heat pump unit 200 , the exhaust fan 300 , the motor 400 and the heater 500 ;

请参阅图1,箱体100具有支撑柱110,具体的,支撑柱110焊接在底座的底部左右两侧,箱体100用于安装,支撑柱110用于支撑;Please refer to FIG. 1 , the box body 100 has support columns 110. Specifically, the support columns 110 are welded on the left and right sides of the bottom of the base, the box body 100 is used for installation, and the support columns 110 are used for support;

请再次参阅图1,热泵机组200具有进气口210、干燥机220和防尘板230,热泵机组200安装在箱体100的内腔底部,具体的,热泵机组200焊接在箱体100的内腔底部,进气口210开设在热泵机组200的内腔左右两侧壁,防尘板230滑动连接在热泵机组200的顶部左右两侧,干燥机220通过螺栓连接在热泵机组200的顶部中央位置,热泵机组200用于提供热量,进气口210用于进气,干燥机220用于干燥,防尘板230用于防尘;Please refer to FIG. 1 again. The heat pump unit 200 has an air inlet 210 , a dryer 220 and a dustproof plate 230 . The heat pump unit 200 is installed at the bottom of the inner cavity of the box body 100 . Specifically, the heat pump unit 200 is welded inside the box body 100 . At the bottom of the cavity, the air inlets 210 are opened on the left and right side walls of the inner cavity of the heat pump unit 200, the dustproof plates 230 are slidably connected to the left and right sides of the top of the heat pump unit 200, and the dryer 220 is connected to the top center of the heat pump unit 200 by bolts. , the heat pump unit 200 is used for providing heat, the air inlet 210 is used for air intake, the dryer 220 is used for drying, and the dustproof plate 230 is used for dust prevention;

请再次参阅图1,排气扇300具有排气管310,排气扇300安装在箱体100的底部中央位置,具体的,排气扇300通过螺栓连接在箱体100的底部中央位置,排气管310固定安装在排气扇300的顶部中央位置,排气扇300用于排气,排气管310用于输气;Please refer to FIG. 1 again, the exhaust fan 300 has an exhaust pipe 310, and the exhaust fan 300 is installed at the bottom center of the box body 100. Specifically, the exhaust fan 300 is connected to the bottom center position of the box body 100 by bolts. The air pipe 310 is fixedly installed at the top central position of the exhaust fan 300, the exhaust fan 300 is used for exhaust air, and the exhaust pipe 310 is used for air transmission;

请参阅图1和图2,电机400具有转轴410、风扇420、连接轴430和扇叶440,电机400安装在箱体100的顶部中央位置,具体的,电机400通过螺栓连接在箱体100的顶部中央位置,转轴410固定安装在电机400的底部动力输出端,风扇420固定安装在转轴410的底部,连接轴430固定安装在风扇420的内腔中央位置,扇叶440焊接在连接轴430的外侧壁,电机400用于提供动力,转轴410用于带动连接轴430,风扇420用于通风,连接轴430用于带动扇叶440,扇叶440用于空气流通;Please refer to FIGS. 1 and 2 , the motor 400 has a rotating shaft 410 , a fan 420 , a connecting shaft 430 and a fan blade 440 , and the motor 400 is installed at the top central position of the box body 100 . Specifically, the motor 400 is connected to the box body 100 by bolts. At the top center position, the rotating shaft 410 is fixedly installed at the bottom power output end of the motor 400 , the fan 420 is fixedly installed at the bottom of the rotating shaft 410 , the connecting shaft 430 is fixedly installed at the central position of the inner cavity of the fan 420 , and the fan blade 440 is welded on the connecting shaft 430 On the outer side wall, the motor 400 is used to provide power, the rotating shaft 410 is used to drive the connecting shaft 430, the fan 420 is used for ventilation, the connecting shaft 430 is used to drive the fan blade 440, and the fan blade 440 is used for air circulation;

请再参阅图1和图3,加热器500具有加热片510,加热器500安装在箱体100的内腔左右两侧壁中央位置,具体的,加热器500通过螺栓连接在箱体100的内腔左右两侧壁中央位置,加热片510固定安装在加热器500的内腔顶部,加热器500和加热片510用于加热。Please refer to FIG. 1 and FIG. 3 again, the heater 500 has a heating sheet 510, and the heater 500 is installed at the center of the left and right side walls of the inner cavity of the box body 100. Specifically, the heater 500 is connected to the inside of the box body 100 by bolts. At the center of the left and right side walls of the cavity, the heating sheet 510 is fixedly installed on the top of the inner cavity of the heater 500, and the heater 500 and the heating sheet 510 are used for heating.

在具体使用时,本技术领域人员通过箱体100内的热泵机组200提供热量,同时再利用热泵机组200上的防尘板230进行防尘,避免有灰尘进入热泵机组200内,提高热泵机组200的使用寿命,利用干燥机220可以对热泵机组200进行干燥,同时通过排气扇300可以对热泵机组200内进行排气,同时通过电机400带动转轴410和风扇420与加热器500对箱体100内的空气进行加热和空气的流通,提高干燥效果。In specific use, those skilled in the art provide heat through the heat pump unit 200 in the box 100, and at the same time use the dustproof plate 230 on the heat pump unit 200 to prevent dust from entering the heat pump unit 200, and improve the heat pump unit 200. The heat pump unit 200 can be dried by the dryer 220, and the heat pump unit 200 can be exhausted by the exhaust fan 300, and the rotating shaft 410, the fan 420 and the heater 500 can be driven to the box 100 by the motor 400 at the same time. The air inside is heated and the air is circulated to improve the drying effect.

虽然在上文中已经参考实施方式对本实用新型进行了描述,然而在不脱离本实用新型的范围的情况下,可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是,只要不存在结构冲突,本实用新型所披露的实施方式中的各项特征均可通过任意方式相互结合起来使用,在本说明书中未对这些组合的情况进行穷举性的描述仅仅是出于省略篇幅和节约资源的考虑。因此,本实用新型并不局限于文中公开的特定实施方式,而是包括落入权利要求的范围内的所有技术方案。Although the present invention has been described above with reference to the embodiments, various modifications may be made and equivalents may be substituted for parts thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present invention can be combined with each other in any way, and the description of these combinations is not exhaustive in this specification. For the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (6)

1. The utility model provides a keep dry device of heat pump set which characterized in that: including box (100), heat pump set (200), air discharge fan (300), motor (400) and heater (500), the inner chamber bottom fixed mounting of box (100) has heat pump set (200), the top central point bolted connection of heat pump set (200) has desiccator (220), air discharge fan (300) are installed to the bottom central point of heat pump set (200), air discharge fan (300) are located the bottom central point of box (100), the top central point bolted connection of box (100) has motor (400), the bottom power take off end fixed mounting of motor (400) has pivot (410), the bottom fixed mounting of pivot (410) has fan (420), heater (500) are all installed to the lateral wall about the inner chamber of box (100).
2. The device for keeping dry of heat pump unit according to claim 1, wherein: support columns (110) are welded on the left side and the right side of the bottom of the box body (100), and anti-skidding sleeves are arranged at the tops of the support columns (110).
3. The device for keeping dry of heat pump unit according to claim 1, wherein: air inlets (210) are formed in the central positions of the left side wall and the right side wall of an inner cavity of the heat pump unit (200), and the left side and the right side of the top of the heat pump unit (200) are connected with dust guard plates (230) in a sliding mode.
4. The device for keeping dry of heat pump unit according to claim 1, wherein: the central position of the bottom of the inner cavity of the heat pump unit (200) is provided with an exhaust pipe (310), and the exhaust pipe (310) is positioned at the central position of the top of an exhaust fan (300).
5. The device for keeping dry of heat pump unit according to claim 1, wherein: the fan is characterized in that a connecting shaft (430) is fixedly mounted at the center of an inner cavity of the fan (420), the connecting shaft (430) is connected with the rotating shaft (410), and fan blades (440) are welded on the outer side wall of the connecting shaft (430).
6. The device for keeping dry of heat pump unit according to claim 1, wherein: the top of the inner cavity of the heater (500) is connected with a heating sheet (510) through bolts, and the bottom of the heater (500) is provided with a plurality of through holes.
CN201921371092.9U 2019-08-22 2019-08-22 Device for keeping heat pump unit dry Expired - Fee Related CN211316763U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921371092.9U CN211316763U (en) 2019-08-22 2019-08-22 Device for keeping heat pump unit dry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921371092.9U CN211316763U (en) 2019-08-22 2019-08-22 Device for keeping heat pump unit dry

Publications (1)

Publication Number Publication Date
CN211316763U true CN211316763U (en) 2020-08-21

Family

ID=72055370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921371092.9U Expired - Fee Related CN211316763U (en) 2019-08-22 2019-08-22 Device for keeping heat pump unit dry

Country Status (1)

Country Link
CN (1) CN211316763U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112081727A (en) * 2020-09-09 2020-12-15 江西风石压缩机有限公司 Exhaust structure of compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112081727A (en) * 2020-09-09 2020-12-15 江西风石压缩机有限公司 Exhaust structure of compressor

Similar Documents

Publication Publication Date Title
CN106637872B (en) Clothes dryer
CN106595248A (en) Wind-heat type wood drying box
CN211316763U (en) Device for keeping heat pump unit dry
CN201242339Y (en) Lignum veneer drying-machine
CN201059839Y (en) Non shell internal centrifugal fan energy-saving bake oven
CN2209233Y (en) Air cooling device of air heating fan on sterilization dryer
CN211346182U (en) Multifunctional dryer
CN222355220U (en) Air-cooled energy storage battery cabinet
CN222635000U (en) Material drying equipment with dehumidification function
CN210220227U (en) Embedded dryer and drying room with secondary waste heat recovery function
CN107976035A (en) A kind of chemical granule energy-saving type dryer
CN211876556U (en) An environmentally friendly and energy-saving drying device
CN107883720A (en) Rubber drying room is used in a kind of sealing ring production
CN207570267U (en) Handware dries back-fire arrangement
CN201180688Y (en) Heat circulating fan
CN110398143A (en) A drying device for sheet metal parts processing
CN212367014U (en) Negative pressure heat dissipation motor
RU2419754C1 (en) Heat pump drying chamber
CN220338558U (en) Quick heating stove
CN210297462U (en) Motor heat dissipation device for electric vehicle
CN210573644U (en) Server heat abstractor for computer room
CN203681027U (en) Dryer
CN201984415U (en) Cross-flow radiator and video card with same
CN217120761U (en) Dehumidifying device for corrugated paper production
CN114885575A (en) Electrical cabinet with heat dissipation and dehumidification functions

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: 20200821

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