CN110586577A - Heat dissipation and dust removal device for information communication cabinet - Google Patents
Heat dissipation and dust removal device for information communication cabinet Download PDFInfo
- Publication number
- CN110586577A CN110586577A CN201910868608.9A CN201910868608A CN110586577A CN 110586577 A CN110586577 A CN 110586577A CN 201910868608 A CN201910868608 A CN 201910868608A CN 110586577 A CN110586577 A CN 110586577A
- Authority
- CN
- China
- Prior art keywords
- groups
- heat dissipation
- fixedly mounted
- shell
- communication cabinet
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the technical field of communication equipment, in particular to a heat dissipation and dust removal device for an information communication cabinet, which comprises a shell, wherein four groups of rollers are symmetrically and fixedly arranged on the front, back, left and right corners of the bottom of the shell, a plurality of groups of springs are fixedly arranged on the bottom side of the interior of the shell, a supporting plate is fixedly arranged at the top of each spring, a communication cabinet is placed on each supporting plate, and two groups of sliding rails are fixedly arranged on the left and right ends of the rear side of the interior of the shell. The dust is sucked into the dust collecting box through the air suction pipe, so that the dust removal of the communication cabinet is realized.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a heat dissipation and dust removal device for an information communication cabinet.
Background
The communication cabinet is a cabinet used in communication, and the communication cabinet is a cabinet shell mainly processed by sheet metal equipment. The space is provided for storage equipment such as a power supply, a mainboard, various expansion board cards, a floppy disk drive, an optical disk drive, a hard disk drive and the like, and the spare and accessory parts are firmly fixed in the case through connecting pieces such as supports, various screws or clip clips and the like in the case to form an intensive whole.
The water-cooled radiator in the communication cabinet comprises an outer wall of the communication cabinet, an inner wall of the communication cabinet is arranged in the outer wall of the communication cabinet, a communication cabinet cabin is enclosed by the inner wall of the communication cabinet, the water-cooled radiator is arranged in a space between the outer wall of the communication cabinet and the inner wall of the communication cabinet, the lower end of the outer wall of the communication cabinet is connected with a support frame, the lower end of the support frame is connected with a base, the bottom end of the base is connected with four universal wheels, the water-cooled radiator comprises a water inlet at the top end, the lower end of the water inlet is connected with an upper end channel, a rectangular waterproof layer is arranged below the upper end channel, the lower end of the upper end channel is connected with a main water pipeline, the left side and the right side of the main water, the left end and the right end of the water outlet pipe are respectively provided with a micro water pump, the micro water pumps are connected with a circulating guide pipe, a friction wheel sleeve is sleeved outside a universal wheel, the side surface of the outer wall of the communication cabinet is provided with a plurality of small air holes, the circulating guide pipe is made of metal thin-wall pipes and is in a shape like a Chinese character 'kou', fin slits are reserved among a plurality of radiating fins, and the water outlet end of the circulating guide pipe is set to be a shower water outlet head.
Although the invention can dissipate heat of the communication cabinet, the device has simple structure, poor heat dissipation effect and no dust removal function, so that the development of a heat dissipation and dust removal device for the information communication cabinet is urgently needed to solve the problems.
Disclosure of Invention
The invention discloses a heat dissipation and dust removal device for an information communication cabinet, which aims to solve the problems.
The specific technical scheme is as follows:
a heat dissipation and dust removal device for an information communication cabinet comprises a shell, four groups of idler wheels are symmetrically and fixedly installed on the front, rear, left and right corners of the bottom of the shell, a plurality of groups of springs are fixedly installed on the bottom side of the interior of the shell, a supporting plate is fixedly installed at the top of each spring, a communication cabinet is placed on the supporting plate, two groups of sliding rails are fixedly installed at the left and right ends of the rear side of the interior of the shell, two groups of racks are fixedly installed at the left and right sides of the interior of the shell, sliding blocks are connected onto the sliding rails in a sliding mode, a connecting frame is fixedly installed at the front end of each sliding block, a motor is fixedly installed at the top of the connecting frame, a heat dissipation box is fixedly installed at the front end of the connecting frame, a connecting shaft is fixedly installed at the output, just the walking gear with the rack intermeshing is connected, the right-hand member fixed mounting at shell top has the exhaust fan, the middle-end fixed mounting at shell top has the ash collecting box, the inside right-hand member fixed mounting of ash collecting box has the filter screen, exhaust fan input end fixed mounting has the connecting pipe, just the left end interlude of connecting pipe is advanced in the through-hole that the ash collecting box right flank set up, fixed mounting has the aspiration channel in the through-hole that ash collecting box left side upper end was seted up, just the other end interlude of aspiration channel lower extreme advances in the through-hole that the shell top set up, both ends fixed mounting has the hinge about the outside front side of shell, fixed mounting has the door that opens on the hinge.
Preferably, the middle end on the right side of the outer part of the shell is fixedly provided with a control switch, and the motor and the exhaust fan are both electrically connected with an external power supply through the control switch.
Preferably, the roller is a universal wheel with a foot brake.
Preferably, the number of the springs is not less than five.
Preferably, the motor is a servo motor.
Preferably, the heat dissipation case includes box, worm, driven gear, pivot and radiator vane, the lower extreme of heat dissipation case rear side with the front end fixed mounting of link, the front end of worm passes through the bearing and rotates the connection and be in the upper end of the inside front side of box, the worm rear end in the front end fixed connection of connecting axle, the meshing of worm lower extreme is connected with three groups driven gear, three groups fixed mounting has three groups among the driven gear the pivot, three groups the pivot left end passes through the bearing and rotates the connection and be in the inside left side of box, three groups the pivot right-hand member passes the through-hole and the fixed mounting that the box right side set up have three groups radiator fan.
Preferably, an air outlet pipe is fixedly installed on the output end of the exhaust fan.
Preferably, two groups of handles are fixedly installed in the middle of the inward end of the front sides of the two groups of opening doors.
The invention has the beneficial effects that:
1. the heat dissipation box and the motor installed on the connecting frame slide in a matched mode on the sliding rail through the sliding block, and the heat dissipation box conducts continuous heat dissipation through the forward and reverse rotation driving of the motor and the reciprocating up and down movement along the arrangement direction of the rack.
2. Along with two sets of heat dissipation case heat dissipation of blowing, will adhere to the dust on the communication rack and blow down, along with the operation of exhaust fan, with the inside dust that flies in the shell, inside sucking the ash collecting box through the aspiration channel, through the inside filter screen that is provided with of ash collecting box, with the inside of sucking dust interception and accomodating at ash collecting box, the realization is to the dust removal of communication rack.
3. And the spring is arranged at the bottom of the supporting plate, so that the process of carrying and placing the communication cabinet on the supporting plate is very stable, and the electronic elements in the communication cabinet cannot be influenced due to severe jolt.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an external structural view of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a side view of the exterior of the heat sink box of the present invention;
FIG. 5 is a side view of the interior of the heat dissipation box of the present invention.
In the figure: the device comprises a shell, 101 control switches, 2 rollers, 3 springs, 4 supporting plates, 5 communication cabinets, 6 sliding rails, 7 racks, 8 sliding blocks, 9 connecting frames, 10 motors, 11 radiating boxes, 111 boxes, 112 worms, 113 driven gears, 114 rotating shafts, 115 radiating blades, 12 connecting shafts, 13 walking gears, 14 exhaust fans, 141 air outlet pipes, 15 ash collecting boxes, 16 filter screens, 161 air outlet pipes, 17 connecting pipes, 18 air suction pipes, 19 hinges, 20 door opening and 201 handles.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A heat dissipation and dust removal device for an information communication cabinet comprises a shell 1, four groups of rollers 2 are symmetrically and fixedly installed on the front, back, left and right corners of the bottom of the shell 1, a plurality of groups of springs 3 are fixedly installed on the bottom side of the inside of the shell 1, a supporting plate 4 is fixedly installed on the top of each spring 3, a communication cabinet 5 is placed on the supporting plate 4, two groups of sliding rails 6 are fixedly installed on the left and right ends of the rear side of the inside of the shell 1, two groups of racks 7 are fixedly installed on the left and right sides of the inside of the shell 1, sliding blocks 8 are connected on the sliding rails 6 in a sliding mode, a connecting frame 9 is fixedly installed at the front end of each sliding block 8, a motor 10 is fixedly installed at the top of the connecting frame 9, a heat dissipation box 11 is fixedly installed at the front end of each motor 10, a connecting, and walking gear 13 and rack 7 intermeshing are connected, the right-hand member fixed mounting at shell 1 top has exhaust fan 14, the middle-end fixed mounting at shell 1 top has ash collecting box 15, the inside right-hand member fixed mounting of ash collecting box 15 has filter screen 16, exhaust fan 14 input end fixed mounting has connecting pipe 17, and the left end of connecting pipe 17 alternates in the through-hole that ash collecting box 15 right side set up, fixed mounting has aspiration channel 18 in the through-hole that ash collecting box 15 left side upper end was seted up, and the other end of aspiration channel 18 lower extreme alternates in the through-hole that shell 1 top set up, both ends fixed mounting has hinge 19 about shell 1 outside front side, fixed mounting has door 20 on the hinge 19.
Specifically, a control switch 101 is fixedly installed at the middle end of the right side outside the housing 1, and two sets of motors 10 and the exhaust fan 16 are electrically connected with an external power supply through the control switch 101, the roller 2 is a universal wheel with a foot brake, the number of the springs 3 is not less than five, the motors 10 are servo motors, the heat dissipation box 11 comprises a box body 111, a worm 112, a driven gear 113, a rotating shaft 114 and heat dissipation blades 115, the lower end of the rear side of the heat dissipation box 111 is fixedly installed with the front end of the connecting frame 9, the front end of the worm 112 is rotatably connected with the upper end of the front side inside the box body 111 through a bearing, the rear end of the worm 112 is fixedly connected with the front end of the connecting shaft 12, the lower end of the worm 112 is engaged with three sets of driven gears 113, three sets of rotating shafts 114 are fixedly installed in the three sets of driven gears 113, the left ends of the three sets of rotating shafts 114 are rotatably connected with the left side inside, the output end of the exhaust fan 14 is fixedly provided with an air outlet pipe 141, and the middle part of the inward front end of the two groups of doors 20 is fixedly provided with two groups of handles 201.
When the invention is used, the foot brakes on the four groups of rollers 2 are fixed to prevent the device from moving when in use, and two groups of doors 20 are closed, the control switch 101 is connected with an external power supply to start the motor 10 and the exhaust fan 14 to operate, the motor 10 drives the connecting shaft 12 arranged on the output end to rotate, the connecting shaft 12 drives the worm 112 to rotate, the worm 112 drives the three groups of driven gears 113 with the lower ends meshed and connected to rotate, the three groups of driven gears 113 drive the rotating shaft 114 fixedly arranged therein to rotate, the rotating shaft 114 drives the radiating blades 115 fixedly arranged at the other end to rotate around the axis of the rotating shaft 114, the communication cabinet 5 on the placing supporting plate 4 is radiated by the rotation of the radiating blades 115, meanwhile, the connecting shaft 13 drives the walking gear 13 arranged thereon to rotate, and the radiating box 11 and the motor 10 arranged on the connecting frame 9 are enabled to rotate along with the rotation of the walking gear 13, through the sliding of the sliding block 8 on the sliding rail 6, the heat dissipation box 11 is driven by the motor 10 to rotate forward and backward along the arrangement direction of the rack 7, and moves up and down in a reciprocating manner to dissipate heat of the communication cabinet 5 continuously.
The dust attached to the communication cabinet 5 is blown down along with the heat dissipation of the two groups of heat dissipation boxes 11, along with the operation of the exhaust fan 14, the dust flying in the shell 1 is sucked into the dust collection box 15 through the suction pipe 18, the sucked dust is intercepted and contained in the dust collection box 15 through the filter screen 16 arranged in the dust collection box 15, the dust collection of the communication cabinet 5 is realized, when the interior of the dust collection box 15 needs to be cleaned, the suction pipe 18 inserted in the left side of the dust collection box 15 is pulled out, the exhaust fan 14 is enabled to run in reverse blowing through the control switch 101, and the dust in the dust collection box 15 is blown out; and be provided with spring 3 in layer board 4 bottom for carry and place the process on layer board 4 very stable with communication rack 5, and then can not produce the influence because of violent jolt to the inside electronic component of communication rack 5.
The motor 10 and the exhaust fan 14 are used for realizing the heat dissipation and dust removal effects, and the structure of the device is not improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides an information communication rack dust collector that dispels heat, includes shell (1), its characterized in that: the novel multifunctional cabinet is characterized in that four groups of idler wheels (2) are symmetrically and fixedly mounted on four corners of the front, the rear, the left and the right of the bottom of the shell (1), a plurality of groups of springs (3) are fixedly mounted on the bottom side of the interior of the shell (1), a supporting plate (4) is fixedly mounted at the top of each spring (3), a communication cabinet (5) is placed on the supporting plate (4), two groups of sliding rails (6) are fixedly mounted at the left and the right of the rear side of the interior of the shell (1), two groups of racks (7) are fixedly mounted at the left and the right of the interior of the shell (1), a sliding block (8) is connected onto each sliding rail (6), a connecting frame (9) is fixedly mounted at the front end of each sliding block (8), a motor (10) is fixedly mounted at the top of the connecting frame (9), a, and the front end of the connecting shaft (12) penetrates into a through hole formed in the upper end of the rear side face of the heat dissipation box (11), a walking gear (13) is fixedly mounted on the connecting shaft (12), the walking gear (13) is meshed with the rack (7) to be connected, an exhaust fan (14) is fixedly mounted at the right end of the top of the shell (1), an ash collection box (15) is fixedly mounted at the middle end of the top of the shell (1), a filter screen (16) is fixedly mounted at the right end of the inner part of the ash collection box (15), a connecting pipe (17) is fixedly mounted at the input end of the exhaust fan (14), the left end of the connecting pipe (17) penetrates into the through hole formed in the right side face of the ash collection box (15), an air suction pipe (18) is fixedly mounted in the through hole formed in the upper end of the left side of the ash collection box (15), and the other end of the lower end of the air suction pipe (18) penetrates, the hinge is characterized in that hinges (19) are fixedly mounted at the left end and the right end of the outer front side of the shell (1), and a door opening (20) is fixedly mounted on each hinge (19).
2. The heat dissipation and dust removal device for the information communication cabinet as claimed in claim 1, wherein: the middle end fixed mounting on the outside right side of shell (1) has control switch (101), and two sets of motor (10) with exhaust fan (16) all pass through control switch (101) and external power source looks electrical connection.
3. The heat dissipation and dust removal device for the information communication cabinet as claimed in claim 1, wherein: the idler wheel (2) is a universal wheel with a foot brake.
4. The heat dissipation and dust removal device for the information communication cabinet as claimed in claim 1, wherein: the number of the springs (3) is not less than five.
5. The heat dissipation and dust removal device for the information communication cabinet as claimed in claim 1, wherein: the motor (10) is a servo motor.
6. The heat dissipation and dust removal device for the information communication cabinet as claimed in claim 1, wherein: the heat dissipation box (11) comprises a box body (111), a worm (112), a driven gear (113), a rotating shaft (114) and heat dissipation blades (115), the lower end of the rear side of the heat dissipation box (111) is fixedly arranged with the front end of the connecting frame (9), the front end of the worm (112) is rotatably connected with the upper end of the front side in the box body (111) through a bearing, the rear end of the worm (112) is fixedly connected with the front end of the connecting shaft (12), worm (112) lower extreme meshing is connected with three groups driven gear (113), three groups fixed mounting has three groups in driven gear (113) pivot (114), three groups pivot (114) left end is passed through the bearing and is rotated the connection and be in the inside left side of box (111), three groups pivot (114) right-hand member passes the through-hole and the fixed mounting that box (111) right side set up have three groups radiator fan (115).
7. The heat dissipation and dust removal device for the information communication cabinet as claimed in claim 1, wherein: an air outlet pipe (141) is fixedly arranged on the output end of the exhaust fan (14).
8. The heat dissipation and dust removal device for the information communication cabinet as claimed in claim 1, wherein: two groups of handles (201) are fixedly arranged in the middle of the inward end of the front side of the two groups of doors (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868608.9A CN110586577A (en) | 2019-09-16 | 2019-09-16 | Heat dissipation and dust removal device for information communication cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910868608.9A CN110586577A (en) | 2019-09-16 | 2019-09-16 | Heat dissipation and dust removal device for information communication cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110586577A true CN110586577A (en) | 2019-12-20 |
Family
ID=68859366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910868608.9A Withdrawn CN110586577A (en) | 2019-09-16 | 2019-09-16 | Heat dissipation and dust removal device for information communication cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110586577A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356349A (en) * | 2020-04-30 | 2020-06-30 | 杨巧玲 | Installation rack for 5G communication equipment |
| CN111359991A (en) * | 2020-03-27 | 2020-07-03 | 梅国健 | Walking type auxiliary device on dustproof blow molding packaging production line of high-precision valve casting |
| CN111770655A (en) * | 2020-07-14 | 2020-10-13 | 国网冀北电力有限公司技能培训中心 | Be provided with dampproof device's electric power communication cabinet |
| CN112048788A (en) * | 2020-10-12 | 2020-12-08 | 安徽华茂纺织股份有限公司 | Spinning frame tail shaft temperature control device |
| CN112072513A (en) * | 2020-08-28 | 2020-12-11 | 秦桂玲 | Heat dissipation power equipment for power engineering |
| CN112489504A (en) * | 2020-12-08 | 2021-03-12 | 黄河水利职业技术学院 | Listening training device for Russian teaching and use method thereof |
| CN112582895A (en) * | 2020-12-16 | 2021-03-30 | 贵州电网有限责任公司 | Dustproof high-voltage power cabinet |
| CN113342149A (en) * | 2021-08-05 | 2021-09-03 | 深圳市进业智车电子有限公司 | Computer case heat dissipation device |
| CN114645934A (en) * | 2022-03-17 | 2022-06-21 | 安徽理工大学 | Heat dissipation device for automatic gearbox and use method thereof |
-
2019
- 2019-09-16 CN CN201910868608.9A patent/CN110586577A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359991A (en) * | 2020-03-27 | 2020-07-03 | 梅国健 | Walking type auxiliary device on dustproof blow molding packaging production line of high-precision valve casting |
| CN111359991B (en) * | 2020-03-27 | 2021-07-13 | 金虹包装材料(上海)有限公司 | Walking type auxiliary device on dustproof blow molding packaging production line of high-precision valve casting |
| CN111356349A (en) * | 2020-04-30 | 2020-06-30 | 杨巧玲 | Installation rack for 5G communication equipment |
| CN111356349B (en) * | 2020-04-30 | 2022-05-06 | 沧州诚效通信器材有限公司 | Installation rack for 5G communication equipment |
| CN111770655A (en) * | 2020-07-14 | 2020-10-13 | 国网冀北电力有限公司技能培训中心 | Be provided with dampproof device's electric power communication cabinet |
| CN112072513A (en) * | 2020-08-28 | 2020-12-11 | 秦桂玲 | Heat dissipation power equipment for power engineering |
| CN112048788A (en) * | 2020-10-12 | 2020-12-08 | 安徽华茂纺织股份有限公司 | Spinning frame tail shaft temperature control device |
| CN112489504A (en) * | 2020-12-08 | 2021-03-12 | 黄河水利职业技术学院 | Listening training device for Russian teaching and use method thereof |
| CN112582895A (en) * | 2020-12-16 | 2021-03-30 | 贵州电网有限责任公司 | Dustproof high-voltage power cabinet |
| CN113342149A (en) * | 2021-08-05 | 2021-09-03 | 深圳市进业智车电子有限公司 | Computer case heat dissipation device |
| CN114645934A (en) * | 2022-03-17 | 2022-06-21 | 安徽理工大学 | Heat dissipation device for automatic gearbox and use method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191220 |