CN106269712B - A kind of switchgear cleaning auxiliary tool - Google Patents
A kind of switchgear cleaning auxiliary tool Download PDFInfo
- Publication number
- CN106269712B CN106269712B CN201610802744.4A CN201610802744A CN106269712B CN 106269712 B CN106269712 B CN 106269712B CN 201610802744 A CN201610802744 A CN 201610802744A CN 106269712 B CN106269712 B CN 106269712B
- Authority
- CN
- China
- Prior art keywords
- dust
- dust catcher
- switchgear
- electrochondria
- video
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 39
- 239000000428 dust Substances 0.000 claims abstract description 111
- 238000005286 illumination Methods 0.000 claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000008185 minitablet Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000013517 stratification Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003860 storage Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B6/00—Cleaning by electrostatic means
-
- B08B1/12—
-
- 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
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- 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
Landscapes
- Electric Vacuum Cleaner (AREA)
Abstract
The present invention relates to a kind of switchgears to clean auxiliary tool, including insulated brush（1）, video illumination device（2）, dust catcher（3）, electrochondria dust catcher（4）, Hot air blast device（5）, universal joint（6）, lever（7）, plasticity pipeline（8）, dust bag（9）And video display devices（10）；Wherein insulated brush（1）, video illumination device（2）, dust catcher（3）, electrochondria dust catcher（4）And Hot air blast device（5）Cleaning works end is constituted, component dust suction can be cleaned, dust pollution, especially the component accurate positioning on the inside of cabinet and dead angle are avoided, cleannes are high, and whole device is easy to carry, easy to operate, and cruising ability is strong, and it is good to clean effect.
Description
Technical field
The invention belongs to field of electrical equipment more particularly to a kind of switchgear to clean auxiliary tool.
Background technology
Switchgear is often provided on open air, and experience is exposed to wind and rain, and electrostatic makes the gas containing dust particles, makees in induced electricity
Under, with negative electricity, the dust granule after by electricity attracts each other grit lotus, is collected at positively charged equipment interface, fan and key
Position surrounding, various failures caused by causing equipment partial short-circuit, electric leakage, heater element heat dissipation bad.It can be seen that though dust is small right
Harm caused by equipment is not small.Common failure has：(1) dust heap be stored between the contact of electric switch, electromagnet
Electric switch poor contact failure can be all caused between core, be affected in relay, contactor control circuit.Electrical control
System acting is unstable, hangs in the balance, so as to cause single-phase operation contact adhesion phenomena such as when often result in the hair of equipment breakdown
It is raw；(2) radiating condition of electric component is made to be deteriorated, the lost of life；(3) moisture that dust itself is absorbed with it can etching apparatus line
Road plate；(4) the full dust of product between electric wiring, can make to leak electricity between nuditing wire, it is also possible to detonator circuit short circuit.
Processing is blowed frequently with hair-dryer in existing switchgear dust removal method, to blow down the dust on electric elements, but
Being this method has the shortcomings that very big：（1）Using hair-dryer drifting dust, although relatively light and dry dust can be blown off, by being blown
The wind-force that goes out is insufficient, tend not to blow off bulk, it is making moist and by the dust that Korrosionsmedium is invaded, in order to remove this kind of ash
Dirt needs further to be removed with bottle opener, scrub-brush etc., increases cleaning works amount, shadow after terminating drifting dust work
It rings and cleans speed；（2）Due to using blowing method, dust to be blown to exist everywhere, a part of dust is finally still fallen in switchgear
On electric device, removing is not thorough.Due to dust, too big fill personnel need to wear masks, unfavorable to personnel health.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of cleaning auxiliary tool of switchgear, realize
To the high-efficiency cleaning of dust on component, the secondary pollutions such as airborne dust are avoided, can accurately clean suction on the inside of switchgear or dead angle
Dirt.
The present invention to achieve the above object the technical solution adopted is that：It includes insulated brush that switchgear, which cleans auxiliary tool, depending on
Frequency lighting device, dust catcher, electrochondria dust catcher, Hot air blast device, universal joint, lever, plasticity pipeline, dust bag and video are shown
Device, wherein insulated brush, video illumination device, dust catcher, electrochondria dust catcher and Hot air blast device constitute cleaning works end,
Cleaning works end is disposed with video illumination device, dust catcher, electrochondria dust catcher, insulated brush and blowing hot wind dress from top to bottom
It sets, video illumination device occupies a left side, and dust catcher and electrochondria dust catcher residence side by side up and down are right, and the tail end of lever is provided with USB and answers urgent telegram
Source interface, video show connectivity port, dust catcher air outlet and air inlet, dust absorption passage, air blasting passage and storage are carried in lever
Battery；
The insulated brush, which is adopted, to be made from an insulative material, such as polypropylene, and in order to improve dust removing effects, insulated brush may be configured as
Electronic insulated brush, cleaning process do not influence the normal power supply of peripheral facilities without disconnecting switchgear power supply；
The video illumination device includes the camera and electroluminescent lamp that can carry out real-time video transmission, and electroluminescent lamp is 4 LED
Lamp may be set to be the luminescent lamp strip of ring camera, in addition it can which electromagnetic induction circuit is arranged on video illumination device,
User is reminded to illuminate；
The power supply of the cleaning auxiliary tool of the switchgear is by the storage battery power supply in lever, when accumulator electric-quantity is relatively low
When, mobile power can be connected by USB emergency power supply interfaces, improve the cruising ability of cleaning device；
There is switch controlling device on the lever, there is push button and button, push button to have 5 shapes on switch controlling device
State, all devices of off states are disconnected with power supply, and A/B/C/D state power supplys are connected, and A condition only has dust catcher opening, B state
Only electrochondria dust catcher is opened, and C-state dust catcher is opened simultaneously with electrochondria dust catcher, and D-state Hot air blast device is opened；Button is used
It in control video illumination device, is closed under normal circumstances, when switchgear light is on the weak side, component surface can not be observed
Cleannes when, lighting device on video illumination device can be opened by clicking button, on the inside of cabinet or the member at dead angle
Device when can not directly observe, can click button again, and adjusting universal joint makes cleaning works end form certain angle with lever
Degree by video display devices it is observed that the cleaning shape degree of component, while pushing push button to suitable position, is dusted
Operation；
Siliceous hose can also be used in the plasticity pipeline；
The video display devices can be mini tablets or smart mobile phone；
In order to grasp the dust concentration in switchgear, humidity and temperature in real time, the front end at cleaning works end is provided with powder
Real-time testing result can be included on video display devices by dust concentration sensor, temperature sensor and humidity sensor；
When carrying out cleaning dust removal operation, push button is pushed into A condition, staff operates insulated brush and cleans component, side
Clean side dust suction；Due to component generally existing electrostatic, band point particle is more, and push button is pushed into B state, carries out electrochondria dedusting,
Push button can also be pushed into C-state, dust catcher and electrochondria dust catcher 4 work at the same time, the ash on component on the inside of the switchgear
Dirt can not be observed, and universal joint is adjusted, and open video illumination device, by video display devices it is observed that inside component
Dust stratification situation, and it is cleared up；, also can be moister in switchgear when encountering air humidity bigger season, it will push away
Button is pushed into D-state, dehumidifies to the dust being adhered on component, is convenient for dust suction, it is liquefied also to remove component surface
Steam makes component keep drying.
The beneficial effects of the invention are as follows：The application provides a kind of switchgear cleaning auxiliary tool, is arranged at cleaning works end
There are insulated brush, video illumination device, dust catcher, electrochondria dust catcher and Hot air blast device, component dust suction can be cleaned, be avoided
The video illumination device of dust pollution, setting can conveniently observe on the inside of cabinet or the dust of the component at dead angle, passes through
Video display devices are accurately positioned and clean, while being also provided with electrochondria dust catcher, can remove band point particle, clean ability
By force, Hot air blast device can go out the steam of component surface, keep the aridity in cabinet；It is arranged in the front end at cleaning works end
Have sensor of dust concentration, temperature sensor and humidity sensor, can include by real-time testing result on video display devices,
Dust concentration, humidity and the temperature in switchgear are accurately held convenient for staff；Whole device is easy to carry, easy to operate,
Without carrying out power operation to cabinet, cruising ability is strong, and it is good to clean effect.
Description of the drawings
Fig. 1 is that the switchgear of the present invention cleans auxiliary tool structural schematic diagram；
Fig. 2 is the side view of the lever tail end of the present invention；
Fig. 3 is the switch controlling device structure chart on the lever of the present invention.
Reference numeral：Insulated brush 1；Video illumination device 2；Dust catcher 3；Electrochondria dust catcher 4；Hot air blast device 5；Universal joint
6；Lever 7；Plasticity pipeline 8；Dust bag 9；Video display devices 10；USB emergency power supplies interface 11；Video shows connectivity port
12；Dust catcher air outlet 13；Air inlet 14；Switch controlling device 15；Push button 16；Button 17.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, switchgear cleans auxiliary tool, including insulated brush 1, video illumination device 2, dust catcher 3, electrochondria suction
Dirt device 4, Hot air blast device 5, universal joint 6, lever 7, plasticity pipeline 8, dust bag 9 and video display devices 10, wherein insulated brush
1, video illumination device 2, dust catcher 3, electrochondria dust catcher 4 and Hot air blast device 5 constitute cleaning works end, at cleaning works end
It is disposed with video illumination device 2, dust catcher 3, electrochondria dust catcher 4, insulated brush 1 and Hot air blast device 5, video from top to bottom
Lighting device 2 occupies a left side, and dust catcher 3 and 4 residence side by side up and down of electrochondria dust catcher are right, and the tail end of lever 7 is provided with USB emergency power supplies and connects
Mouth 11, video show connectivity port 12, dust catcher air outlet 13 and air inlet 14, dust absorption passage, air blasting passage are carried in lever 7
And accumulator；
Insulated brush 1, adopts and is made from an insulative material, such as polypropylene, and in order to improve dust removing effects, insulated brush 1 may be configured as
Electronic insulated brush, cleaning process do not influence the normal power supply of peripheral facilities without disconnecting switchgear power supply；
Video illumination device 2 includes that can carry out the camera and electroluminescent lamp of real-time video transmission, and electroluminescent lamp is 4 in attached drawing 1
A LED light may be set to be the luminescent lamp strip of ring camera, in addition it can which electromagnetic induction is arranged on video illumination device
Circuit reminds user to illuminate；
As shown in Fig. 2, the power supply of the cleaning auxiliary tool of switchgear is by the storage battery power supply in lever 7, when accumulator electricity
When measuring relatively low, mobile power can be connected by USB emergency power supplies interface 11, improve the cruising ability of cleaning device；
As shown in figure 3, there is switch controlling device 15 on lever 7, there is push button 16 and button on switch controlling device 15
17, there are push button 16 5 states, all devices of off states to be disconnected with power supply, and A/B/C/D state power supplys are connected, and A condition is only
There are the opening of dust catcher 3, B state to only have the opening of electrochondria dust catcher 4, C-state dust catcher 3 to be opened simultaneously with electrochondria dust catcher 4, D shapes
State Hot air blast device 5 is opened；Button 17 is closed for controlling video illumination device 2, works as switchgear under normal circumstances
Light is on the weak side, and when can not observe the cleannes of component surface, illumination on video illumination device 2 can be opened by clicking button 17
Device when can not directly observe, can click button 17, adjust universal again when the component close to cabinet inside or dead angle
Section 6 makes cleaning works end form certain angle with lever, by video display devices 10 it is observed that the cleaning shape of component
Degree, while push button 16 is pushed to suitable position, it is dusted operation；
Siliceous hose can be used in the plasticity pipeline 8；
The video display devices 10 can be mini tablets or smart mobile phone；
In order to grasp the dust concentration in switchgear, humidity and temperature in real time, the front end at cleaning works end is provided with powder
Real-time testing result can be included on video display devices 10 by dust concentration sensor, temperature sensor and humidity sensor；
When carrying out cleaning dust removal operation, push button 16 is pushed into A condition, staff operates insulated brush 1 and cleans component,
The dust suction when cleaning；Due to component generally existing electrostatic, band point particle is more, and push button 16 is pushed into B state, carries out electrochondria and removes
Push button 16 can also be pushed into C-state by dirt, and dust catcher 3 and electrochondria dust catcher 4 work at the same time, the component on the inside of switchgear
On dust can not observe, adjust universal joint 6, open video illumination device 2, by video display devices 10 it is observed that in
The dust stratification situation of side component, and it is cleared up；When encountering air humidity bigger season, can also compare in switchgear
Push button 16 is pushed into D-state, dehumidified to the dust being adhered on component by humidity, is convenient for dust suction, can also be removed component
The liquefied steam in surface makes component keep drying.
Above-described embodiment simply to illustrate that the present invention technical concepts and features, it is in the art the purpose is to be to allow
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications made by the essence according to the content of present invention, should all covers within the scope of the present invention.
Claims (7)
1. a kind of switchgear cleans auxiliary tool, including insulated brush（1）, video illumination device（2）, dust catcher（3）, electrochondria dust suction
Device（4）, Hot air blast device（5）, universal joint（6）, lever（7）, plasticity pipeline（8）, dust bag（9）And video display devices
（10）, it is characterised in that：Insulated brush（1）, video illumination device（2）, dust catcher（3）, electrochondria dust catcher（4）And Hot air blast device
（5）Cleaning works end is constituted, video illumination device is disposed with from top to bottom at cleaning works end（2）, dust catcher（3）,
Electrochondria dust catcher（4）, insulated brush（1）And Hot air blast device（5）, video illumination device（2）Occupy left, dust catcher（3）It is inhaled with electrochondria
Dirt device（4）Residence side by side up and down is right, lever（7）Tail end be provided with USB emergency power supply interfaces（11）, image display connectivity port
（12）, dust catcher air outlet（13）And air inlet（14）, lever（7）In carry dust absorption passage, air blasting passage and accumulator；It is described
Insulated brush（1）It adopts and is made from an insulative material；
The video illumination device（2）Camera and electroluminescent lamp including that can carry out real-time video transmission, electroluminescent lamp are 4 LED
Lamp or the luminescent lamp strip for being set as ring camera；
In the lever（7）In be provided with for for switchgear clean auxiliary tool power supply accumulator, when accumulator electric-quantity compared with
When low, USB emergency power supply interfaces can be passed through（11）Mobile power is connected, the cruising ability of cleaning device is improved；
In the lever（7）It is upper to also have switch controlling device（15）, switch controlling device（15）It is upper that there is push button（16）And button
（17）, push button（16）With 5 states, all devices of off status representatives are disconnected with power supply, and A/B/C/D states connect with power supply
It is logical, there was only dust catcher in A condition（3）It opens, B state only has electrochondria dust catcher（4）It opens, C-state dust catcher（3）With electrochondria
Dust catcher（4）It opens simultaneously, D-state Hot air blast device（5）It opens；The button（17）For controlling video illumination device（2）,
Be closed under normal circumstances, when switchgear light is on the weak side, when can not observe the cleannes of component surface, click by
Button（17）Video illumination device can be opened（2）On lighting device, when can not directly observe on the inside of the cabinet or the member at dead angle
Device can click button again（17）, adjust universal joint（6）, make cleaning works end and lever（7）Certain angle is formed, is led to
Cross video display devices（10）It is observed that the cleaning shape degree of component, while pushing push button（16）To suitable position, carry out
Dust removal operation.
2. a kind of switchgear according to claim 1 cleans auxiliary tool, the insulated brush（1）It is made of polypropylene.
3. a kind of switchgear according to claim 1 cleans auxiliary tool, the insulated brush（1）It may also be configured to electronic exhausted
Edge brush, cleaning process do not influence the normal power supply of peripheral facilities without disconnecting switchgear power supply.
4. a kind of switchgear according to claim 1 cleans auxiliary tool, in the video illumination device（2）Upper setting electricity
Magnetic induction circuit reminds user to illuminate.
5. a kind of switchgear according to claim 1 cleans auxiliary tool, the video display devices（10）, can be mini
Tablet or smart mobile phone.
6. a kind of switchgear according to claim 1 cleans auxiliary tool, the front end at cleaning works end is provided with dust
Real-time testing result can be included in video display devices by concentration sensor, temperature sensor and humidity sensor（10）On.
7. auxiliary tool is cleaned according to a kind of switchgear of claim 1-6 any one of them, when carrying out cleaning dust removal operation,
By push button（16）It is pushed into A condition, staff operates insulated brush（1）Component is cleaned, the dust suction when cleaning；Since component is general
Store-through is in electrostatic, and band point particle is more, by push button（16）It is pushed into B state, carries out electrochondria dust suction, it can also be by push button（16）It is pushed into
C-state, dust catcher（3）With electrochondria dust catcher（4）It works at the same time；The dust on component on the inside of the switchgear can not be observed,
Adjust universal joint（6）, make cleaning works end and lever（7）Certain angle is formed, video illumination device is opened（2）, pass through video
Display device（10）It is observed that the dust stratification situation of cabinet inside component, and it is cleared up；When encountering air humidity ratio
Larger season, also can be moister in switchgear, by push button（16）Be pushed into D-state, to the dust that is adhered on component into
Row dehumidifying and cleaning dust absorption, while the liquefied steam of component surface can be removed, so that component is kept drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802744.4A CN106269712B (en) | 2016-09-06 | 2016-09-06 | A kind of switchgear cleaning auxiliary tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802744.4A CN106269712B (en) | 2016-09-06 | 2016-09-06 | A kind of switchgear cleaning auxiliary tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106269712A CN106269712A (en) | 2017-01-04 |
| CN106269712B true CN106269712B (en) | 2018-08-14 |
Family
ID=57710239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610802744.4A Expired - Fee Related CN106269712B (en) | 2016-09-06 | 2016-09-06 | A kind of switchgear cleaning auxiliary tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106269712B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102536B (en) * | 2017-05-12 | 2020-08-21 | 芜湖乐佳自动化机械有限公司 | Dustproof automatic control system of transformer cabinet |
| CN113916268B (en) * | 2021-12-14 | 2022-04-22 | 国网山东省电力公司桓台县供电公司 | Photoelectric sensor with adjustable measuring distance |
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| GB1319454A (en) * | 1969-10-06 | 1973-06-06 | Bradley Ltd G & E | Apparatus for removing particulate rubish |
| CN2061097U (en) * | 1989-12-30 | 1990-08-29 | 长沙市北光生活用品厂 | Device for blowing, drying, dust-absortion and cleaning inside of electronic instrument |
| DE102012015486A1 (en) * | 2012-08-03 | 2014-02-06 | Alexander Bootz | Sucking and blowing nozzle for vacuum cleaner for use in carpenter workshop, has air supply line which is arranged with compressed air nozzle in brush portion of suction nozzle |
| CN205128507U (en) * | 2015-09-30 | 2016-04-06 | 国家电网公司 | Rechargeable terminal box illumination hair -dryer |
| CN205324219U (en) * | 2016-01-19 | 2016-06-22 | 国家电网公司 | Communication box who dehumidifies from area illumination function cleans equipment |
| CN205362114U (en) * | 2015-11-30 | 2016-07-06 | 重庆市贵荣塑胶制品有限公司 | Artifical electrostatic precipitator components suitable for computer keyboard |
-
2016
- 2016-09-06 CN CN201610802744.4A patent/CN106269712B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1319454A (en) * | 1969-10-06 | 1973-06-06 | Bradley Ltd G & E | Apparatus for removing particulate rubish |
| CN2061097U (en) * | 1989-12-30 | 1990-08-29 | 长沙市北光生活用品厂 | Device for blowing, drying, dust-absortion and cleaning inside of electronic instrument |
| DE102012015486A1 (en) * | 2012-08-03 | 2014-02-06 | Alexander Bootz | Sucking and blowing nozzle for vacuum cleaner for use in carpenter workshop, has air supply line which is arranged with compressed air nozzle in brush portion of suction nozzle |
| CN205128507U (en) * | 2015-09-30 | 2016-04-06 | 国家电网公司 | Rechargeable terminal box illumination hair -dryer |
| CN205362114U (en) * | 2015-11-30 | 2016-07-06 | 重庆市贵荣塑胶制品有限公司 | Artifical electrostatic precipitator components suitable for computer keyboard |
| CN205324219U (en) * | 2016-01-19 | 2016-06-22 | 国家电网公司 | Communication box who dehumidifies from area illumination function cleans equipment |
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| Publication number | Publication date |
|---|---|
| CN106269712A (en) | 2017-01-04 |
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