CN207096908U - A kind of main frame protection against the tide heat abstractor - Google Patents
A kind of main frame protection against the tide heat abstractor Download PDFInfo
- Publication number
- CN207096908U CN207096908U CN201720521880.6U CN201720521880U CN207096908U CN 207096908 U CN207096908 U CN 207096908U CN 201720521880 U CN201720521880 U CN 201720521880U CN 207096908 U CN207096908 U CN 207096908U
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- casing
- fixed
- main frame
- escape pipe
- protection against
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Abstract
The utility model discloses a kind of main frame protection against the tide heat abstractor, including casing, the upper surface of the casing is installed with mounting box, the inside of the mounting box is connected by passage with the inside of casing, the front and back of the mounting box offers air admission hole, the inside of the air admission hole is bonded with filter screen, the upper surface of the mounting box offers two jacks, the inside of two jacks is plugged with the first fixed frame, and the inside of two first fixed frames is bonded with absorbent cotton.The main frame protection against the tide heat abstractor, connected by the inlet end of air pump with the inside of evaporation tank, by three-way pipe, fixation is communicated with the first escape pipe and the second escape pipe respectively for the outlet side of air pump, the outlet side of second escape pipe is fixed with the outlet side of radiating tube and connected, first escape pipe can be blowed chilled air into casing, the air themperature of box house is reduced, solves the problems, such as to propose in background technology.
Description
Technical field
Computer technical field of heat dissipation is the utility model is related to, specially a kind of main frame protection against the tide heat abstractor.
Background technology
Main frame refer to computer remove input-output equipment beyond major body part, and for place mainboard and its
The control casing (container Mainframe) of his critical piece, generally include CPU, internal memory, hard disk, CD-ROM drive, power supply and other
IOC and interface.
Main frame can produce substantial amounts of heat at work, and the too high performance that can make computer of temperature reduces, so
The good radiating of main frame is the guarantee of computer steady operation, and the heat sink conception of existing main frame is mostly to pass through
Accelerate the air flow inside main frame to accelerate distributing for heat, radiating efficiency is low.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model provides a kind of main frame protection against the tide heat abstractor, solves
The problem of being proposed in background technology.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of main frame is moistureproof
Heat abstractor, including casing, the upper surface of the casing are installed with mounting box, and the inside of the mounting box passes through passage
Connected with the inside of casing, the front and back of the mounting box offers air admission hole, and the inside of the air admission hole is bonded with
Filter screen, the upper surface of the mounting box offer two jacks, and the inside of two jacks is plugged with the first fixed frame, and two
The inside of individual first fixed frame is bonded with absorbent cotton, and two first fixed frames are located at the both sides of passage respectively.
The position that the casing inner roof wall corresponds to passage is fixedly connected with ventilation box, and the inside of the casing is fixedly mounted
There is dividing plate, the lower surface of the dividing plate and the inner bottom wall of casing are parallel to each other, and the inner roof wall of the casing is also fixedly mounted respectively
There are a fluid reservoir and expansion valve, the fluid reservoir is located at the right side of expansion valve, and the upper surface of the dividing plate is fixed successively from a left side to having
Air pump, evaporation tank, compressor and condenser are installed, the evaporation tank is fixed with ventilation box by communicating pipe and connected, the case
The position that body right wall corresponds to condenser offers heat emission hole, and the right flank of the condenser is fixedly connected with radiating fin, described
Radiating fin is located at the inside of heat emission hole, and the one end of the radiating fin away from condenser is installed with radiator fan, described
The outlet end of compressor is fixed with the liquid feeding end of condenser and connected, and the outlet end of the condenser and one end of fluid reservoir are fixed and connected
Logical, the other end of the fluid reservoir is fixed with the liquid feeding end of expansion valve and connected, and the evaporation tank is internally provided with heat exchanger tube, institute
The liquid feeding end for stating heat exchanger tube runs through the right wall of evaporation tank and connected with the outlet end fixation of expansion valve, the outlet end of the heat exchanger tube
Right wall and being fixed with the liquid feeding end of compressor through evaporation tank connects.
The inlet end of the air pump runs through the left wall of evaporation tank and connected with the inside of evaporation tank, the outlet side of the air pump
By three-way pipe, the fixed inlet end for being communicated with the first escape pipe and the second escape pipe, first escape pipe and second go out respectively
The outlet side of tracheae through dividing plate and extends to the lower section of dividing plate, and installing plate is also fixedly connected with the inside of the casing,
The installing plate is located at the underface of dividing plate, and the inside of the installing plate is plugged with five radiating tubes being spaced substantially equidistant, described
The both ends of radiating tube are located at the left and right sides of installing plate respectively, and the outlet side of the inlet end of the radiating tube and the second escape pipe is consolidated
Fixed connection, the fixed inlet end for being communicated with blast pipe in outlet side of five radiating tubes, the outlet side of the blast pipe is passed through
Wear the right wall of casing and extend to the outside of casing, the bottom of the casing right flank offers steam vent.
Preferably, the inside of the casing is additionally provided with the second fixed frame, the width of second fixed frame and casing
Inner width is identical, and the upper and lower surface of second fixed frame is fixed and connected with the lower surface of dividing plate and the inner bottom wall of casing respectively
Connect, the inside of second fixed frame is bonded with shunting net.
Preferably, the filter screen and shunting net are non-woven fabrics filter screen, and the outlet side of first escape pipe is located at casing
Between inner right wall and the second fixed frame.
Preferably, the length of first fixed frame and the interior length of mounting box are identical, the lower surface of first fixed frame
With the upper surface of casing.
Preferably, the installing plate is copper coin, radiating tube position heat dissipation copper pipe.
Preferably, the inner left wall of second fixed frame and casing is parallel to each other, the length and mounting box of the air admission hole
8/10ths of interior length.
(3) beneficial effect
The utility model provides a kind of main frame protection against the tide heat abstractor, possesses following beneficial effect：
(1), the main frame protection against the tide heat abstractor, connected by the inlet end of air pump with the inside of evaporation tank, air pump
Outlet side be communicated with the first escape pipe and the second escape pipe by the way that three-way pipe is fixed respectively, the outlet side of the second escape pipe is with dissipating
Connection is fixed in the outlet side of heat pipe, and the first escape pipe can be blowed chilled air into casing, reduce the air themperature of box house,
And the heat in casing is quickly taken away, the mainboard installation of computer can quickly reduce peace by radiating tube on a mounting board
The heat absorbed in loading board from mainboard, heat caused by device work in main frame is taken away, is solved in background technology
The problem of proposition.
(2), the main frame protection against the tide heat abstractor, air admission hole is offered by the front and back in mounting box,
The inside of air admission hole is bonded with filter screen, and in the absorbent cotton that is internally provided with of the first fixed frame, air enters steam chest by air admission hole
When interior, dust and moisture that filter screen and absorbent cotton can be crossed in air filtering respectively, dust and moisture are avoided to main inboard installation
Work causes deleterious effect.
Brief description of the drawings
Fig. 1 is the utility model structure front view；
Fig. 2 is the utility model structure front elevational view；
Fig. 3 is Section A-A figure in the utility model Fig. 1；
Fig. 4 is the enlarged drawing at A in the utility model Fig. 2.
In figure：1 casing, 2 mounting boxs, 3 passages, 4 air admission holes, 5 filter screens, 6 jacks, 7 first fixed frames, 8 absorbent cottons, 9
Ventilation box, 10 dividing plates, 11 fluid reservoirs, 12 expansion valves, 13 air pumps, 14 evaporation tanks, 15 compressors, 16 condensers, 17 communicating pipes, 18
Heat emission hole, 19 radiating fins, 20 radiator fans, 21 heat exchanger tubes, 22 three-way pipes, 23 first escape pipes, 24 second escape pipes, 25 peaces
Loading board, 26 radiating tubes, 27 blast pipes, 28 steam vents, 29 second fixed frames, 30 shunting nets.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of main frame protection against the tide heat abstractor, bag
Casing 1 is included, the upper surface of casing 1 is installed with mounting box 2, and the inside of mounting box 2 passes through the inside of passage 3 and casing 1
Connection, the front and back of mounting box 2 offer air admission hole 4, and the inside of air admission hole 4 is bonded with filter screen 5, mounting box 2 it is upper
Surface offers two jacks 6, and the inside of two jacks 6 is plugged with the first fixed frame 7, the inside of two the first fixed frames 7
Absorbent cotton 8 is bonded with, the dust and moisture that filter screen 5 and absorbent cotton 8 can be crossed in air filtering respectively, avoids dust and moisture pair
The work of main inboard installation causes deleterious effect, and two the first fixed frames 7 are located at the both sides of passage 3 respectively, and first fixes
The length of frame 7 is identical with the interior length of mounting box 2, the lower surface of the first fixed frame 7 and the upper surface of casing 1.
The position that the inner roof wall of casing 1 corresponds to passage 3 is fixedly connected with ventilation box 9, the inside of casing 1 be installed with every
Plate 10, the lower surface of dividing plate 10 and the inner bottom wall of casing 1 are parallel to each other, and the inner roof wall of casing 1 is also installed with liquid storage respectively
Tank 11 and expansion valve 12, expansion valve 12 are an important components in refrigeration system, be generally mounted to liquid storage cylinder and evaporator it
Between, expansion valve 12 makes moist steam of the liquid refrigerant of medium temperature high pressure by its throttling as low-temp low-pressure, and then refrigerant exists
Heat is absorbed in evaporator and reaches refrigeration, expansion valve is changed come control valve flow by the degree of superheat of evaporator end,
Prevent evaporator area underutilization and engine knock phenomenon, fluid reservoir 11 are located at the right side of expansion valve 12, the upper table of dividing plate 10
Face is installed with air pump 13, evaporation tank 14, compressor 15 and condenser 16 successively from a left side to having, and evaporation tank 14 passes through communicating pipe
17 connect with the ventilation fixation of box 9, and the position that the right wall of casing 1 corresponds to condenser 16 offers heat emission hole 18, the right side of condenser 16
Face is fixedly connected with radiating fin 19, and radiating fin 19 is classified as " passivity radiating member in the field of electronic engineering design
Part ", commonly use entitled fin, with good, light, easy processing the metal of thermal conductivity (be mostly aluminium or copper, it is silver-colored then prohibitively expensive, typically
Without) heating surface is attached at, radiated with compound heat exchange pattern, radiating fin 19 is located at the inside of heat emission hole 18, dissipates
The hot one end of fin 19 away from condenser 16 is installed with radiator fan 20, the outlet end of compressor 15 and entering for condenser 16
Connection is fixed at liquid end, and the outlet end of condenser 16 is fixed with one end of fluid reservoir 11 and connected, the other end of fluid reservoir 11 and expansion
The liquid feeding end of valve 12 fixes connection, and evaporation tank 14 is internally provided with heat exchanger tube 21, and the liquid feeding end of heat exchanger tube 21 runs through evaporation tank
14 right wall is simultaneously fixed with the outlet end of expansion valve 12 and connect, the outlet end of heat exchanger tube 21 run through the right wall of evaporation tank 14 and with pressure
The liquid feeding end of contracting machine 15 fixes connection, and using the principle of air conditioner refrigerating, air pump 13 is evacuated, and outside air passes through air admission hole 4, ventilation
After hole 3, ventilation box 9 and communicating pipe 17 enter in evaporation tank 14, exchanged heat with heat exchanger tube 21, produce cold air, entered by air pump 13
Enter the first escape pipe 23 and the second escape pipe 24, into the cold air in radiating tube 26 take away installing plate 25 absorption come from computer
Temperature on mainboard, and the temperature of installing plate 25 is reduced, the air of the first escape pipe 23 blowout reduces the overall temperature in mainframe box
Degree, comprehensively cooling and targetedly mainboard cooling, solves the problems, such as existing main frame cooling-down effect difference.
The inlet end of air pump 13 runs through the left wall of evaporation tank 14 and connected with the inside of evaporation tank 14, the outlet side of air pump 13
By the fixed inlet end for being communicated with the first escape pipe 23 and the second escape pipe 24 respectively of three-way pipe 22, the first escape pipe 23 and the
The outlet side of two escape pipes 24 through dividing plate 10 and extends to the lower section of dividing plate 10, is also fixedly connected with the inside of casing 1
Installing plate 25, installing plate 25 are located at the underface of dividing plate 10, and the inside of installing plate 25 is plugged with five radiatings being spaced substantially equidistant
Pipe 26, the both ends of radiating tube 26 are located at the left and right sides of installing plate 25 respectively, and installing plate 25 is copper coin, and copper metal has good suction
Heat conductivity energy, and cost performance is higher, belongs to conventional radiator consumptive material, 26 heat dissipation copper pipes of radiating tube, radiating tube 26 enters
Gas end is fixed with the outlet side of the second escape pipe 24 and connected, and the outlet side fixation of five radiating tubes 26 is communicated with blast pipe 27
Inlet end, the outlet side of blast pipe 27 run through the right wall of casing 1 and extend to the outside of casing 1, and the bottom of the right flank of casing 1 is opened
Provided with steam vent 28, the inside of casing 1 is additionally provided with the second fixed frame 29, and the inner left wall of the second fixed frame 29 and casing 1 is mutual
It is parallel, 8/10ths of length, the width of the second fixed frame 29 and the inner width phase of casing 1 in the length and mounting box 2 of air admission hole 4
Together, the upper and lower surface of the second fixed frame 29 is fixedly connected with the lower surface of dividing plate 10 and the inner bottom wall of casing 1 respectively, the
The inside of two fixed frames 29 is bonded with shunting net 30, the diffusing air current of shunting net 30, makes the first escape pipe 23 blowout cold air more equal
Even blows to the direction of installing plate 25, and filter screen 5 and shunting net 30 are non-woven fabrics filter screen 5, and the outlet side of the first escape pipe 23 is located at
Between the inner right wall of casing 1 and the second fixed frame 29.
In summary, the main frame protection against the tide heat abstractor, the inside of the inlet end and evaporation tank 14 of air pump 13 is passed through
Connection, the outlet side of air pump 13 is fixed respectively by three-way pipe 22 is communicated with the first escape pipe 23 and the second escape pipe 24, and second
The outlet side of escape pipe 24 is fixed with the outlet side of radiating tube 26 and connected, and the first escape pipe 23 can blow chilled air into casing 1
It is interior, the air themperature inside casing 1 is reduced, and the heat in casing 1 is quickly taken away, the mainboard of computer is arranged on installing plate
On 25, the heat absorbed from mainboard to come can quickly be reduced on installing plate 25 by radiating tube 26, take away device in main frame
Heat caused by work, solve the problems, such as to propose in background technology.
The main frame protection against the tide heat abstractor, air admission hole 4 is offered by the front and back in mounting box 2, entered
The inside of stomata 4 is bonded with filter screen 5, is internally provided with absorbent cotton 8 in the first fixed frame 7, air enters steam by air admission hole 4
When in case 14, dust and moisture that filter screen 5 and absorbent cotton 8 can be crossed in air filtering respectively, dust and moisture are avoided in main frame
The work of equipment causes deleterious effect.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present ", the electricity occurred in this article
Device element electrically connects with the main controller and 220V civil powers in the external world, and main controller can be that computer etc. has played the routine of control
Know equipment.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of main frame protection against the tide heat abstractor, including casing (1), the upper surface of the casing (1) is installed with peace
Mounted box (2), the inside of the mounting box (2) are connected by passage (3) with the inside of casing (1), it is characterised in that：The peace
The front and back of mounted box (2) offers air admission hole (4), and the inside of the air admission hole (4) is bonded with filter screen (5), the peace
The upper surface of mounted box (2) offers two jacks (6), and the inside of two jacks (6) is plugged with the first fixed frame (7),
The inside of two first fixed frames (7) is bonded with absorbent cotton (8), and two first fixed frames (7) are respectively positioned at logical
The both sides of stomata (3)；
The position that casing (1) inner roof wall corresponds to passage (3) is fixedly connected with ventilation box (9), the inside of the casing (1)
Dividing plate (10) is installed with, the lower surface of the dividing plate (10) and the inner bottom wall of casing (1) are parallel to each other, the casing (1)
Inner roof wall be also installed with fluid reservoir (11) and expansion valve (12) respectively, the fluid reservoir (11) is located at expansion valve (12)
Right side, the upper surface of the dividing plate (10) are installed with air pump (13), evaporation tank (14), compressor (15) successively from a left side to having
With condenser (16), the evaporation tank (14) is connected by communicating pipe (17) with ventilation box (9) fixation, casing (1) right wall
The position of corresponding condenser (16) offers heat emission hole (18), and the right flank of the condenser (16) is fixedly connected with radiating fin
(19), the radiating fin (19) is located at the inside of heat emission hole (18), the radiating fin (19) away from condenser (16) one
End is installed with radiator fan (20), and the outlet end of the compressor (15) is fixed with the liquid feeding end of condenser (16) and connected,
The outlet end of the condenser (16) is fixed with one end of fluid reservoir (11) and connected, the other end of the fluid reservoir (11) and expansion
The liquid feeding end of valve (12) fixes connection, and the evaporation tank (14) is internally provided with heat exchanger tube (21), the heat exchanger tube (21)
Liquid feeding end, which runs through the right wall of evaporation tank (14) and fixed with the outlet end of expansion valve (12), to be connected, and the heat exchanger tube (21) goes out liquid
End, which is run through the right wall of evaporation tank (14) and fixed with the liquid feeding end of compressor (15), to be connected；
The inlet end of the air pump (13) runs through the left wall of evaporation tank (14) and connected with the inside of evaporation tank (14), the air pump
(13) outlet side passes through three-way pipe (22) the fixed air inlet for being communicated with the first escape pipe (23) and the second escape pipe (24) respectively
The outlet side of end, first escape pipe (23) and the second escape pipe (24) through dividing plate (10) and extends to dividing plate (10)
Lower section, installing plate (25) is also fixedly connected with the inside of the casing (1), the installing plate (25) is being located at dividing plate (10) just
Lower section, the inside of the installing plate (25) are plugged with five radiating tubes being spaced substantially equidistant (26), and the two of the radiating tube (26)
End is located at the left and right sides of installing plate (25), the inlet end of the radiating tube (26) and the outlet side of the second escape pipe (24) respectively
Fixed connection, the fixed inlet end for being communicated with blast pipe (27) in outlet side of five radiating tubes (26), the blast pipe
(27) outlet side runs through the right wall of casing (1) and extends to the outside of casing (1), and the bottom of casing (1) right flank is opened
Provided with steam vent (28).
A kind of 2. main frame protection against the tide heat abstractor according to claim 1, it is characterised in that：The casing (1)
Inside is additionally provided with the second fixed frame (29), and the width of second fixed frame (29) is identical with the inner width of casing (1), and described
The upper and lower surface of two fixed frames (29) is fixedly connected with the lower surface of dividing plate (10) and the inner bottom wall of casing (1) respectively,
The inside of second fixed frame (29) is bonded with shunting net (30).
A kind of 3. main frame protection against the tide heat abstractor according to claim 1 or 2, it is characterised in that：The filter screen (5)
It is non-woven fabrics filter screen (5) with shunting net (30), the outlet side of first escape pipe (23) is located at casing (1) inner right wall and
Between two fixed frames (29).
A kind of 4. main frame protection against the tide heat abstractor according to claim 1, it is characterised in that：First fixed frame
(7) length is identical with the interior length of mounting box (2), and the lower surface and the upper surface of casing (1) of first fixed frame (7) connect
Touch.
A kind of 5. main frame protection against the tide heat abstractor according to claim 1, it is characterised in that：The installing plate (25)
For copper coin, radiating tube (26) position heat dissipation copper pipe.
A kind of 6. main frame protection against the tide heat abstractor according to claim 2, it is characterised in that：Second fixed frame
(29) inner left wall with casing (1) is parallel to each other, the length of the air admission hole (4) and 8/10ths of length in mounting box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521880.6U CN207096908U (en) | 2017-05-11 | 2017-05-11 | A kind of main frame protection against the tide heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521880.6U CN207096908U (en) | 2017-05-11 | 2017-05-11 | A kind of main frame protection against the tide heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207096908U true CN207096908U (en) | 2018-03-13 |
Family
ID=61551022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720521880.6U Expired - Fee Related CN207096908U (en) | 2017-05-11 | 2017-05-11 | A kind of main frame protection against the tide heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207096908U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132702A (en) * | 2018-03-19 | 2018-06-08 | 成都疆域绿洲科技有限公司 | A kind of portable computer auxiliary cooling device |
| CN108990386A (en) * | 2018-08-23 | 2018-12-11 | 安徽阳露新型建材有限公司 | A kind of automation electromechanical equipment radiator |
| CN109035976A (en) * | 2018-07-17 | 2018-12-18 | 周永平 | A kind of synthetic instruction practical traning platform of internet |
| CN109116719A (en) * | 2018-09-06 | 2019-01-01 | 深圳市乐业科技有限公司 | A kind of foldable intelligence payment wrist-watch based on block chain technology |
| CN110267496A (en) * | 2019-06-21 | 2019-09-20 | 长沙如洋环保科技有限公司 | A kind of electrical control cabinet |
| CN113410769A (en) * | 2021-06-21 | 2021-09-17 | 陕西惠齐电力科技开发有限公司 | Intelligent ring main unit with explosion-proof function and use method thereof |
| CN114206044A (en) * | 2021-12-17 | 2022-03-18 | 苏州东大金点物联科技有限公司 | Convenient public bicycle management box who overhauls |
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2017
- 2017-05-11 CN CN201720521880.6U patent/CN207096908U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132702A (en) * | 2018-03-19 | 2018-06-08 | 成都疆域绿洲科技有限公司 | A kind of portable computer auxiliary cooling device |
| CN109035976A (en) * | 2018-07-17 | 2018-12-18 | 周永平 | A kind of synthetic instruction practical traning platform of internet |
| CN108990386A (en) * | 2018-08-23 | 2018-12-11 | 安徽阳露新型建材有限公司 | A kind of automation electromechanical equipment radiator |
| CN108990386B (en) * | 2018-08-23 | 2020-07-31 | 陈潮潮 | Automatic change heat abstractor for electromechanical device |
| CN109116719A (en) * | 2018-09-06 | 2019-01-01 | 深圳市乐业科技有限公司 | A kind of foldable intelligence payment wrist-watch based on block chain technology |
| CN110267496A (en) * | 2019-06-21 | 2019-09-20 | 长沙如洋环保科技有限公司 | A kind of electrical control cabinet |
| CN110267496B (en) * | 2019-06-21 | 2021-02-12 | 陕西惠齐电力科技开发有限公司 | Electrical control cabinet |
| CN113410769A (en) * | 2021-06-21 | 2021-09-17 | 陕西惠齐电力科技开发有限公司 | Intelligent ring main unit with explosion-proof function and use method thereof |
| CN114206044A (en) * | 2021-12-17 | 2022-03-18 | 苏州东大金点物联科技有限公司 | Convenient public bicycle management box who overhauls |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20180511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |