CN201174085Y - Sealing type dustproof temperature constant computer cabinet - Google Patents

Sealing type dustproof temperature constant computer cabinet Download PDF

Info

Publication number
CN201174085Y
CN201174085Y CNU2008201040114U CN200820104011U CN201174085Y CN 201174085 Y CN201174085 Y CN 201174085Y CN U2008201040114 U CNU2008201040114 U CN U2008201040114U CN 200820104011 U CN200820104011 U CN 200820104011U CN 201174085 Y CN201174085 Y CN 201174085Y
Authority
CN
China
Prior art keywords
front panel
internal layer
cabinet
top board
power supply
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
CNU2008201040114U
Other languages
Chinese (zh)
Inventor
李智华
杨海清
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CNU2008201040114U priority Critical patent/CN201174085Y/en
Application granted granted Critical
Publication of CN201174085Y publication Critical patent/CN201174085Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The aim of the utility model is to discloses a sealed-type dustproof homothermal computer case; a top slab, a soleplate and a front panel are double layer panels; a clearance of between 1 and 3 centimeters is arranged between an inner-layer panel and an outer-layer panel; a hollow chamber respectively communicated between an inner-layer top slab and an outer-layer top slab and between the inner-layer front panel and the outer-layer front panel is a main ventilation tunnel; and a hollow chamber between an inner-layer soleplate and an outer-layer soleplate is an auxiliary ventilation tunnel. A power supply shell, the inner-layer top slab, the soleplate, the front panel, a left lateral plate, a right lateral plate, a rear panel and a shell of a heat exchanger form a sealing space, thereby keeping the internal working environment and temperature, isolating external dust, humidity, erosion and other harmful factors and reducing electromagnetic radiation to the outside.

Description

Sealed dust-proof constant temperature computer housing
(1) technical field:
The utility model relates to the cabinet of microcomputer and computer server, particularly a kind of sealed dust-proof constant temperature computer cabinet.
(2) background technology:
Along with the continuous release of the Electrosurgical treatment equipment and the high-performance video card of microcomputer a new generation, the product that the big thermal value of power consumption is high occupies the space in the cabinet gradually, and cooling and dustproof problem in the Microcomputer box more loom large.The accumulation of dust will hinder the heat radiation of components and parts, faults such as easier initiation short circuit.Because of dust always can enter in the cabinet from the air inlet and the air outlet of cabinet, for dustproof, many new cabinets have disposed screen pack at inlet and outlet, but the dust that screen pack stops meeting barrier air influences the ventilation of cabinet, causes heat radiation difficulty in the cabinet.The closed case that has occurred equipped refrigeration device now, it as application number 200510020562.3 Chinese invention patent " sealed dust-proof temperature control cabinet for computers ", application number is 99215862.1 a Chinese utility model patent " the electronic installation cabinet of dustproof damp proof automatic heat radiation " etc., the non-closed case that traditional computer is used changes closed case into, utilize cooler to provide low-temperature receiver, with the temperature in the temperature control technology control cabinet for closed case.Though can avoid the harm of dust to computing machine, because of in computer housing, having added refrigeration device and attemperating unit, thereby improved the cost of cabinet, the steam that causes of refrigeration device also influences the safety of computing machine in addition.
Except dustproof and cooling, the problem of electromagnetic radiation is also causing concern.Some openings on the cabinet all may become their passage, so the closed intensity of cabinet is the primary factor of anti-electromagnetic radiation.This just at first requires all will keep extraordinary contact between any two adjacent metal sheet materials in the cabinet.Yet owing to heat radiation, button, switch etc. are installed are needed, zones such as nearly all cabinet all can be rearward, side plate, front panel below are provided with perforate, cause electromagnetic radiation leakage at existing cabinet.The metal shell of cabinet plays certain shielding action to the electromagnetic radiation energy of various electronic devices and components in it.But the cabinet of different materials, different designs, different manufacturing process, its radiation protection ability is also inequality.Design irrational cabinet, can cause leaking of main frame electromagnetic radiation to exceed standard, bring threat for user's health.
(3) utility model content:
The purpose of this utility model is to disclose a kind of sealed dust-proof constant temperature computer housing, and the cabinet of its sealing can keep internal work environment, temperature, adverse factors such as isolated external dust, humidity, corrosion, and can reduce external electromagnetic radiation.
The sealed dust-proof constant temperature computer housing that the utility model is designed, cabinet is a rectangular parallelepiped, has a movable side plate of installing at least; Back upper place in the cabinet is the power supply installation position, and a side has the integrated circuit board installation position, and there are hard disk and/or light, floppy drive installation position in the front upper place.With conventional cabinet difference be: the top board of described cabinet, base plate and front panel are double face slab, and 1~3 centimetre gap is arranged between inside and outside two-layer panel, are rear air inlet between the ectonexine top board of rear end, are air outlet between the ectonexine base plate of rear end; Internal layer top board and internal layer front panel are tightly connected, outer top board and outer front panel are tightly connected, internal layer base plate and internal layer front panel are tightly connected, outer bottom and outer front panel are tightly connected, the bilateral limit of ectonexine top board, ectonexine front panel and ectonexine base plate is tightly connected, it is the main ventilation road that cavity between ectonexine top board, the ectonexine front panel is communicated with, and the cavity between the ectonexine base plate is an auxiliary airduct; Rear panel be tightly connected internal layer top board and internal layer base plate, face about the left side plate closed case; On place, the power supply installation position internal layer top board power supply air inlet is arranged, the power supply air outlet is arranged on the rear panel; Power supply is installed its end face of back internal layer top board, one side rear panel that reclines that reclines, and the wind inlet of fan of power supply is relative with power supply air inlet on the internal layer top board, and the louvre of power supply is relative with power supply air outlet on the rear panel; Front lower place in the cabinet is equipped with heat exchanger, the top board of outer casing of power supply, internal layer, base plate and front panel, and left side plate and rear panel, and the shell of heat exchanger constitutes seal cavity; Heat exchanger and the contacted face of internal layer front panel have the inlet scoop, on the internal layer front panel on the other side preceding air inlet are arranged, and the outer front panel relative with this air inlet is the louvered air inlet; Heat exchanger and the contacted face of internal layer base plate have exhaust outlet, on the internal layer base plate on the other side air outlet are arranged; Heat radiator is arranged in heat exchanger housing, and the heat radiation inlet and outlet of its two-port for communicating with the cabinet inside space is provided with in the heat radiator and makes cabinet inside air-flow round-robin internal fan.
During work, the air of the heat transferred cabinet inside that the power supply in the cabinet, integrated circuit board etc. produce, the air in the effect lower case of internal fan enters the heat radiator of heat exchanger, after this finned tube circulation, sends air back to cabinet inside by internal fan again.The air that enters through the main ventilation road from the cabinet rear air inlet and in the past air inlet enter the air of heat exchanger housing, between shell and heat radiator, flow, take away the heat on the heat radiator, discharge through the air outlet of auxiliary airduct slave box back from the air outlet of base plate again.The cabinet inside air is cooled off by it through heat radiator, and returning cabinet becomes cold air, reaches to make the cabinet inside cooling purpose.By the heat interchange of heat exchanger fin, keep the temperature constant in the sealed cabinet.
Under the immovable prerequisite of existing chassis space, reasonably utilized existing chassis space, the independently air-flow circulation of the cabinet inside air of sealing, the influence of adverse factors such as the isolated fully external dust of cabinet, moisture, corrosion particle, the drying of assurance cabinet inside air, pure.Improved heat exchanger fin structure improves its radiating efficiency, keeps the reasonable temperature in the cabinet, thus the serviceable life of having improved the computer device.Totally-enclosed double-layer nested cabinet can be locked in magnetic field within the cabinet, makes the electromagnetism intensity that sees through housing decay significantly, thereby reaches the purpose of protection user health; Simultaneously can also increase the bulk strength of cabinet, and have advantages such as damping, reduction noise.
As improvement, above-mentioned double-deck front panel, internal layer front panel are metal decking, and outer front panel is the plastics plaque.Have between this plastic front board and the metal decking and form a main ventilation road at interval.
The left side plate of cabinet is similarly double face slab.
As further improvement, between the internal layer of the movable side plate of installing and/or outer panel and the cabinet sealing strip is arranged.Sealing strip has been set up in junction at cabinet, makes that the sealing of cabinet is tightr, and the more effective adverse factors such as dust, humidity, corrosion that prevented enter in the cabinet and influence the work of computer.
For keeping the temperature constant in the cabinet, the exhaust outlet of heat exchanger bottom also is provided with the air ejector fan that quickens the outer circulation air-flow.Air ejector fan makes the air-flow in the heat exchanger accelerate to flow, and takes away the heat of heat radiator sooner, can make the faster reduction of temperature of air in the computer housing, thereby make computer components and parts temperature constant, working stability.Temperature sensor is installed in the cabinet, and this temperature sensor links to each other with the air ejector fan control circuit of heat exchanger.According to the stall of the actual temperature in the detected cabinet of temperature sensor control air ejector fan, saves energy effectively, and use very convenient.
Compared with prior art, the utlity model has following advantage:
1, dustproof: utilize enclosed inside and outside air-flow independent loops structure, make cabinet inside isolated fully, guarantee drying, the cleaning of cabinet inside with adverse factors such as extraneous dust, humidity, etchant gases, thus the serviceable life of having improved the computer device;
2, radioresistance:, effectively prevented the injury that electromagnetic wave is possible to human body because enclosed double Shell has tangible shielding action to electromagnetic wave;
3, constant temperature: adopt the heat exchanger technology, according to the height of temperature in chassis and the automatic switch fan, saves energy not only, and make the temperature in the cabinet remain on a more stable state;
4, need not to change existing cabinet volume and volume inside structure, increased cabinet intensity, improved the cushioning ability of cabinet.
(4) description of drawings:
Below in conjunction with accompanying drawing the utility model is further elaborated.
Fig. 1 is this sealed dust-proof constant temperature computer housing embodiment perspective view;
Fig. 2 is this sealed dust-proof constant temperature computer housing embodiment vertical section structure synoptic diagram;
Fig. 3 is this sealed dust-proof constant temperature computer housing embodiment cross section structure synoptic diagram.
Description of drawings: 1, top board; 2, base plate; 3, front panel; 4 rear panels; 5 side plates; 6, rear air inlet; 7, air outlet; 8, main ventilation road; 9, auxiliary airduct; 10, heat exchanger; 11, inlet scoop; 12, preceding air inlet; 13, exhaust outlet; 14, air outlet; 15, inlet and outlet; 16, internal fan; 17, air ejector fan; 18, sealing strip; 19, temperature sensor; 20, louvered air inlet 21, power supply air inlet; 22, power supply air outlet.
(5) embodiment:
This sealed dust-proof constant temperature computer housing embodiment as shown in Figure 1, cabinet is a rectangular parallelepiped, and arranged two movable side half a year of installing 5.The top board 1 of cabinet comprises outer field plastic front board and is positioned at the metal decking of internal layer, 1-3 centimetre gap is arranged between the two.Base plate 2 and top board 1 are the double-level-metal panel, and 1-3 centimetre gap is all arranged between inside and outside two-layer panel.Being rear air inlet 6 between the ectonexine top board 1 of rear end, is air outlet 7 between the ectonexine base plate 2 of rear end; Internal layer top board 1 is tightly connected with internal layer front panel 3, outer top board 1 is tightly connected with outer front panel 3, internal layer base plate 2 is tightly connected with internal layer front panel 3, outer bottom 2 is tightly connected with outer front panel 3, the bilateral limit of ectonexine top board 1, ectonexine front panel 3 and ectonexine base plate 2 is tightly connected, it is main ventilation road 8 that cavity between ectonexine top board 1, the ectonexine front panel 3 is communicated with, and the cavity between the ectonexine base plate 2 is an auxiliary airduct 9.Rear panel 4 be tightly connected internal layer top board 1 and internal layer base plate 2, face about left side plate 5 sealed cabinets.On place, the power supply installation position internal layer top board 1 power supply air inlet 21 is arranged, power supply air outlet 22 is arranged on the rear panel 4; Power supply is installed its end face of back internal layer top board 1, one side rear panel 4 that reclines that reclines, and the wind inlet of fan of power supply is relative with power supply air inlet 22 on the internal layer top board 1, and the louvre of power supply is relative with power supply air outlet 22 on the rear panel 4.Front lower place in the cabinet is equipped with heat exchanger 10, and the shell of the top board 1 of outer casing of power supply, internal layer, base plate 2 and front panel 3, left side plate 5 and rear panel 4 and heat exchanger 10 constitutes enclosure space.Back upper place in this enclosure space is the power supply installation position, and a side has the integrated circuit board installation position, and there are hard disk and/or light, floppy drive installation position in the front upper place.Heat exchanger 10 has inlet scoop 11 with internal layer front panel 3 contacted faces, and preceding air inlet 12 is arranged on the internal layer front panel 3 on the other side, and the outer front panel 3 relative with this air inlet is louvered air inlet 20; Heat exchanger 10 has exhaust outlet 13 with internal layer base plate 2 contacted faces, on the internal layer base plate 2 on the other side air outlet 14 is arranged; In heat exchanger 10 shells heat radiator is arranged, the two-port of heat radiator is the heat radiation inlet and outlet 15 that is communicated with the cabinet inside space, is provided with internal fan 16 in the heat radiator.During launch computer, the internal fan 16 that is positioned at heat exchanger 10 together starts, and internal gas flow enters heat radiator circulation under the effect of internal fan 16, and the air inlet between the ectonexine top board 1 of cold air slave box back enters, and 8 flows along the main ventilation road.Above-mentioned cold air is together with the cold air that enters from the air inlet between the ectonexine front panel 3 of cabinet lower end, enter in heat exchanger 10 shells, between shell and heat radiator, flow, take away the heat on the heat radiator, operation along with internal fan 16, the air that enters from the heat radiation air inlet of heat radiator will be equipped with the heat transferred heat radiator that produces in the enclosure space of electric elements such as integrated circuit board, power supply, CD-ROM drive, hard disk, and the cold air that enters in the heat exchanger 10 is taken away the heat of heat radiator, thereby makes the air themperature in the interior space of the cabinet that seals reduce.
The exhaust outlet 13 of heat exchanger 10 bottoms is provided with air ejector fan 17.The temperature sensor of installing in these air ejector fan 17 control circuits and the cabinet 19 links to each other, temperature sensor 19 adopts screw, carriage to fix, the physical method that perhaps adopts viscosity, magnetic to paste is installed in the cabinet, and makes it not influence the normal operation of equipment in the casing.When temperature sensor 19 detects built-in temperature 〉=30 ± 5 ℃, air ejector fan 17 work, air ejector fan 17 quickens the air between heat exchanger 10 shells and the heat radiator to send from the exhaust outlet 13 of heat exchanger 10 and the air outlet 14 of cabinet internal layer base plate 2, and discharges outside the cabinet along the air outlet 7 of auxiliary airduct 9 between ectonexine base plate 2.When temperature sensor 19 detects temperature in chassis≤20 ± 5 ℃, air ejector fan 17 quits work.

Claims (6)

1, sealed dust-proof constant temperature computer housing, cabinet is a rectangular parallelepiped, has a movable side plate (5) of installing at least; Back upper place in the cabinet is the power supply installation position, and a side has the integrated circuit board installation position, and there are hard disk and/or light, floppy drive installation position in the front upper place, it is characterized in that:
The top board of described cabinet (1), base plate (2) and front panel (3) are double face slab, and 1~3 centimetre gap is arranged between inside and outside two-layer panel, are rear air inlet (6) between the ectonexine top board (1) of rear end, are air outlet (7) between the ectonexine base plate (2) of rear end; Internal layer top board (1) is tightly connected with internal layer front panel (3), outer top board (1) is tightly connected with outer front panel (3), internal layer base plate (2) is tightly connected with internal layer front panel (3), outer bottom (2) is tightly connected with outer front panel (3), the bilateral limit of ectonexine top board (1), ectonexine front panel (3) and ectonexine base plate (2) is tightly connected, it is main ventilation road (8) that cavity between ectonexine top board (1), the ectonexine front panel (3) is communicated with, and the cavity between the ectonexine base plate (2) is auxiliary airduct (9); Rear panel (4) be tightly connected internal layer top board (1) and internal layer base plate (2), face about left side plate (5) closed case; On power supply installation position place's internal layer top board (1) power supply air inlet (21) is arranged, power supply air outlet (22) is arranged on the rear panel (4); Power supply is installed its end face of back internal layer top board (1), one side rear panel (4) that reclines that reclines, the wind inlet of fan of power supply is relative with power supply air inlet (22) on the internal layer top board (1), and the louvre of power supply is relative with power supply air outlet (22) on the rear panel (4); Front lower place in the cabinet is equipped with heat exchanger (10), and the shell of the shell of power supply, the top board of internal layer (1), base plate (2) and front panel (3), left side plate (5) and rear panel (4) and heat exchanger (10) constitutes seal cavity; Heat exchanger (10) has inlet scoop (11) with the contacted face of internal layer front panel (3), and preceding air inlet (12) is arranged on the internal layer front panel on the other side (3), and the outer front panel (3) relative with this air inlet is louvered air inlet (20); Heat exchanger (10) has exhaust outlet (13) with the contacted face of internal layer base plate (2), and air outlet (14) is arranged on the internal layer base plate on the other side (2); Heat exchanger has heat radiator in (10), the heat radiation inlet and outlet (15) of the two-port of heat radiator for communicating with the cabinet inside space; Be provided with in the heat radiator and make cabinet inside air-flow round-robin internal fan (16).
2, sealed dust-proof constant temperature computer housing according to claim 1 is characterized in that:
The left side plate of described cabinet (5) is a double face slab.
3, sealed dust-proof constant temperature computer housing according to claim 1 is characterized in that:
Described internal layer front panel (3) is a metal decking, and outer front panel (3) is the plastics plaque.
4, sealed dust-proof constant temperature computer housing according to claim 1 and 2 is characterized in that:
Between described movable side plate of installing (5) and the cabinet sealing strip (18) is arranged.
5, sealed dust-proof constant temperature computer housing according to claim 1 is characterized in that:
The exhaust outlet (13) of described heat exchanger (10) bottom is provided with the air ejector fan (17) that quickens the interior air circulation of heat exchanger (10).
6, sealed dust-proof constant temperature computer housing according to claim 5 is characterized in that:
Temperature sensor (19) is installed in the cabinet, and this temperature sensor (19) links to each other with air ejector fan (17) control circuit of heat exchanger (10).
CNU2008201040114U 2008-01-03 2008-01-03 Sealing type dustproof temperature constant computer cabinet Expired - Fee Related CN201174085Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201040114U CN201174085Y (en) 2008-01-03 2008-01-03 Sealing type dustproof temperature constant computer cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201040114U CN201174085Y (en) 2008-01-03 2008-01-03 Sealing type dustproof temperature constant computer cabinet

Publications (1)

Publication Number Publication Date
CN201174085Y true CN201174085Y (en) 2008-12-31

Family

ID=40201209

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201040114U Expired - Fee Related CN201174085Y (en) 2008-01-03 2008-01-03 Sealing type dustproof temperature constant computer cabinet

Country Status (1)

Country Link
CN (1) CN201174085Y (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101951744A (en) * 2010-09-20 2011-01-19 魏鸿琪 Cabinet with heat exchange function
CN103970241A (en) * 2014-05-15 2014-08-06 苏州云远网络技术有限公司 Atomization type closed computer case
CN105630105A (en) * 2015-12-31 2016-06-01 天津兴海兰德科技有限公司 Computer case
CN106598179A (en) * 2016-11-23 2017-04-26 杭州知加网络科技有限公司 Improved chassis
CN107817884A (en) * 2017-12-15 2018-03-20 曹晓庆 The sealed computer housing of good heat dissipation
CN108307605A (en) * 2017-01-12 2018-07-20 伟肯有限公司 Door cooler
CN108983920A (en) * 2018-06-13 2018-12-11 苏州朵唯智能科技有限公司 A kind of cabinet thermostatic mode controlling accurate digital control machine
CN109729702A (en) * 2019-01-29 2019-05-07 西安微电子技术研究所 A kind of air-cooled sealed cabinet structure of more heat pipe runners
CN112506312A (en) * 2018-02-05 2021-03-16 刘子轩 Take dustproof filter equipment's of protection against insects cloud computer machine case

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101951744A (en) * 2010-09-20 2011-01-19 魏鸿琪 Cabinet with heat exchange function
CN101951744B (en) * 2010-09-20 2012-07-04 魏鸿琪 Cabinet with heat exchange function
CN103970241A (en) * 2014-05-15 2014-08-06 苏州云远网络技术有限公司 Atomization type closed computer case
CN105630105A (en) * 2015-12-31 2016-06-01 天津兴海兰德科技有限公司 Computer case
CN106598179A (en) * 2016-11-23 2017-04-26 杭州知加网络科技有限公司 Improved chassis
CN108307605A (en) * 2017-01-12 2018-07-20 伟肯有限公司 Door cooler
US10631433B2 (en) 2017-01-12 2020-04-21 Vacon Oy Door cooler
CN108307605B (en) * 2017-01-12 2020-06-16 伟肯有限公司 Device for cooling air inside housing and power electronic converter
CN107817884A (en) * 2017-12-15 2018-03-20 曹晓庆 The sealed computer housing of good heat dissipation
CN112506312A (en) * 2018-02-05 2021-03-16 刘子轩 Take dustproof filter equipment's of protection against insects cloud computer machine case
CN112506312B (en) * 2018-02-05 2022-12-13 烟台华腾技术有限公司 Take dustproof filter equipment's of protection against insects cloud computer machine case
CN108983920A (en) * 2018-06-13 2018-12-11 苏州朵唯智能科技有限公司 A kind of cabinet thermostatic mode controlling accurate digital control machine
CN109729702A (en) * 2019-01-29 2019-05-07 西安微电子技术研究所 A kind of air-cooled sealed cabinet structure of more heat pipe runners
CN109729702B (en) * 2019-01-29 2020-07-03 西安微电子技术研究所 Multi-heat pipe flow channel air-cooled sealing case structure

Similar Documents

Publication Publication Date Title
CN201174085Y (en) Sealing type dustproof temperature constant computer cabinet
CN201194451Y (en) Heat radiating machine case
CN209643216U (en) The radiator of energy-efficient electromechanical equipment
KR20150042319A (en) Control box and outdoor unit for air conditioner
CN207720597U (en) A kind of novel electric power cabinet
CN207305238U (en) The U-shaped independent ventiduct module heat dissipating system of ship rack-mount unit
CN109729702A (en) A kind of air-cooled sealed cabinet structure of more heat pipe runners
JP6069880B2 (en) Rack device, rack system, and housing structure
CN110838686B (en) Inside cold and hot wind circulating device of switch board
CN207252116U (en) Power module and its cooling system
CN208210528U (en) A kind of computer communication equipment dust-proof radiating cabinet
CN206249189U (en) A kind of strength heat radiation type computer casing structure
CN207601706U (en) A kind of casing structure for facilitating heat dissipation
CN207968342U (en) A kind of cooling device of rectifier cabinet
CN206788730U (en) A kind of heat-radiating chassis for computer
CN216035916U (en) Electronic chip production is with preventing high temperature strorage device
CN101896045A (en) Natural heat dissipation outdoor cabinet
CN211321815U (en) Rack-mounted server with good heat dissipation effect
CN210470087U (en) Heat pipe heat radiation structure of display device
CN207476041U (en) A kind of good network cabinet of heat dissipation
CN206490571U (en) Current transformer
CN205883034U (en) High -frequency switch power supply
CN111935948A (en) Intelligent integrated control cabinet for grain storage safety management
CN220253921U (en) Heat dissipation mechanism of electric control cabinet
CN205140814U (en) Water -cooled air switch box

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081231

Termination date: 20110103