CN110238090A - A kind of cross-country protective glasses auto cleaning system - Google Patents
A kind of cross-country protective glasses auto cleaning system Download PDFInfo
- Publication number
- CN110238090A CN110238090A CN201910428846.8A CN201910428846A CN110238090A CN 110238090 A CN110238090 A CN 110238090A CN 201910428846 A CN201910428846 A CN 201910428846A CN 110238090 A CN110238090 A CN 110238090A
- Authority
- CN
- China
- Prior art keywords
- wound membrane
- flexible frame
- frame ontology
- country
- cross
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 30
- 239000011521 glass Substances 0.000 title claims abstract description 22
- 230000001681 protective effect Effects 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 93
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000011897 real-time detection Methods 0.000 claims abstract description 5
- 238000004064 recycling Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 17
- 238000013016 damping Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 69
- 230000008569 process Effects 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000010676 Ocimum basilicum Nutrition 0.000 description 1
- 240000007926 Ocimum gratissimum Species 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B08B1/20—
-
- B08B1/165—
-
- 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
Abstract
The invention discloses a kind of cross-country protective glasses auto cleaning systems, including flexible frame ontology, wound membrane recyclable device, wound membrane recyclable device to be arranged on the side of flexible frame ontology；The one wound membrane discharge device that under the action of the wound membrane retraction mechanism clean wound membrane can release from upper part, the wound membrane discharge device are arranged on the other side of flexible frame ontology；One is capable of the light intensity sensor of light luminance between real-time detection flexible frame ontology and goggles, and the light intensity sensor is arranged on flexible frame ontology and between flexible frame ontology and goggles；One control device, the control device respectively with wound membrane recyclable device and light intensity sensor communication connection.The present invention can carry out multiple Reusability to wound membrane, therefore use cost can be greatly lowered, simultaneously, it in use being capable of automatically working, its work is directly involved typically without user, easy to use, and can be configured on the goggles of various models with Fast Installation.
Description
Technical field
The present invention relates to protective glasses cleaning technology fields, are related specifically to a kind of cross-country protective glasses auto cleaning system.
Background technique
Cross-country protective glasses is eye protection equipment common in a kind of cross-country movement.Since in cross-country movement, protective glasses is not
It can avoid directly being contacted with dirts such as muddy water, dust, therefore spot be easy to cause to be attached on eyeglass, wearer is caused to regard
It is wild bad etc., in fierce cross-country movement, it is easy to cause by unclear the caused injury accident in the visual field.
Currently, mainly including surface covering method and disposable dyestripping for the dust-proof anti-mud salvo in cross-country protective glasses surface
Two kinds of method；Surface covering method refers to by some specific coating, by spraying process even spread to protection glass.When this coating
After parching, there are good translucency and lesser surface adhesion characteristics.When in the spots splash to dope layer such as muddy water, due to
Its lesser surface adhesion force, adhere to spot can not.To guarantee spot adherency as few as possible in use process.But this
Class method production technology is complicated, (such as muddy water when requiring coating high, high production cost, while being directed to thicker attachment spot
Deng), self-cleaning effect is poor；Disposable strip masking process refers to that the folded repetition of setting one is laminated and can quickly remove anti-before protective glasses
Cuticula, in use, when muddy water splashes on protecting film, user can quickly be removed, thus by spot and protection
Film removes together, guarantees the clear of the visual field.Although the method easy to use and flexible, this method higher operating costs, and by
There is certain thickness in protecting film, and blocked up protecting film will cause a series of visual field problem (such as the visual field is partially dark).Therefore
The stacking number of plies of protecting film is less under usual situation, is only capable of using for several times.Simultaneously because (such as being driven) in certain occasions, use
The movement of person's dyestripping will lead to hand off-direction disk, so as to cause danger.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention provides a kind of designs rationally, structure is simple, can be to wound membrane
Carry out multiple Reusability, therefore use cost can be greatly lowered, meanwhile, in use can automatically working,
Work is directly involved typically without user, easy to use, and can be configured on the goggles of various models with Fast Installation
Cross-country protective glasses auto cleaning system.
In order to solve the above technical problems, the present invention is realized using following technical scheme:
A kind of cross-country protective glasses auto cleaning system, which is characterized in that including
The one flexible frame ontology for being hung on goggles；
The one wound membrane recyclable device for the wound membrane backrush after being polluted by spot to upper part, the wound membrane recyclable device
It is arranged on the side of flexible frame ontology；
One wound membrane that under the action of the wound membrane retraction mechanism clean wound membrane can release from upper part releases dress
It sets, the wound membrane discharge device is arranged on the other side of flexible frame ontology；
One is capable of the light intensity sensor of light luminance between real-time detection flexible frame ontology and goggles, the light intensity
Sensor is arranged on flexible frame ontology and between flexible frame ontology and goggles；
One control device, the control device respectively with wound membrane recyclable device and light intensity sensor communication connection.
In a preferred embodiment of the invention, the flexible frame ontology includes the preferable eyeglass ontology of elasticity,
The eyeglass ontology is equipped with the fixed hook that can be hung on goggles.
In a preferred embodiment of the invention, the wound membrane recyclable device includes being arranged in flexible frame ontology side
On recycling frame body, upside inside the recycling frame body is rotatable to be equipped with for by the volume after being polluted by spot
To the recycling reel of upper part, the downside inside the recycling frame body, which is equipped with, is able to drive recycling reel progress for film backrush
The output shaft of the stepper motor of rotation, the stepper motor is connected by reduction gearbox assembly with recycling reel.
In a preferred embodiment of the invention, the wound membrane discharge device includes that setting is another in flexible frame ontology
Releasing frame body on side, rotatable energy under the action of be provided in wound membrane retraction mechanism inside the releasing frame body
The releasing reel for releasing clean wound membrane from upper part.
In a preferred embodiment of the invention, certain rotation can be provided it by being equipped in the releasing reel
The reel damping unit of resistance.
In a preferred embodiment of the invention, the control device is arranged on the flexible frame ontology other side and position
In the lower section of wound membrane discharge device, the control device includes control unit, battery unit and control button, the battery unit
It is electrically connected with control unit, the control button and control unit communication connection.
In a preferred embodiment of the invention, which further includes one in wound membrane recycling
The scraper cleaning device that can strike off the spot in wound membrane in device wrapup procedure, it includes that cleaning is scraped that the scraper, which closes device,
Knife, the cleaning doctor are fixedly mounted on wound membrane recyclable device by scraper adjusting screw, and are located at wound membrane recyclable device
Into at film mouth.
Compared with prior art, the present invention can be detected between flexible frame ontology and goggles by light intensity sensor
Light luminance determines the surface state of wound membrane by the variation of brightness, and in the case where wound membrane surface is dirtier, from
The recycling of the dynamic old wound membrane of completion and more changing jobs for new wound membrane.Meanwhile (such as light conditions are poor, yellow in special state
Under the states such as confused night), it can also be controlled by the manually actuated control button of user, complete more changing jobs for wound membrane.
In use, old wound membrane is stored to wound membrane recyclable device, and after use, user can be by carrying out wound membrane
Secondary maintenance and Reusability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the front view being worn on goggles of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the control principle drawing of control device of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig.1 shown in-Fig. 3, a kind of cross-country protective glasses auto cleaning system provided in figure, including flexible frame ontology
100, wound membrane recyclable device 200, wound membrane discharge device 300, light intensity sensor 400 and control device 500.
Flexible frame ontology 100 is for being hung on goggles, and wound membrane recyclable device 200 by spot for after being polluted
700 backrush of wound membrane to upper part, wound membrane recyclable device 200 is arranged on the side of flexible frame ontology 100, wound membrane discharge device
300 under the action of wound membrane retraction mechanism 200 clean wound membrane 700 can release from upper part, and wound membrane discharge device 300 is set
It sets on the other side of flexible frame ontology 100.
Light intensity sensor 400 can light luminance between real-time detection flexible frame ontology 100 and goggles, light intensity passes
Sensor 400 is arranged on flexible frame ontology 100 and between flexible frame ontology 100 and goggles, and control device 500 divides
Not with 400 communication connection of wound membrane recyclable device 200 and light intensity sensor.
Flexible frame ontology 100 includes the preferable eyeglass ontology 110 of elasticity, and being equipped on eyeglass ontology 110 can hang
Fixed hook 120 on goggles, adopting the structure can be bent in biggish arc range, consequently facilitating will
Eyeglass ontology 110 is fitted on different types of goggles, effectively raises the practical performance of the cleaning systems.
Wound membrane recyclable device 200 includes the recycling frame body 210 being arranged on 110 side of eyeglass ontology, in recycling frame
Rotatable be equipped in upside inside frame ontology 210 is rolled up for the recycling of 700 backrush of wound membrane after being polluted by spot to upper part
Cylinder 220, the downside inside recycling frame body 210, which is equipped with, is able to drive the stepper motor that recycling reel 220 is rotated
230, the output shaft of stepper motor 230 is connected by reduction gearbox assembly 240 with recycling reel 220.
Wound membrane discharge device 300 includes the releasing frame body 310 being arranged on 110 other side of eyeglass ontology, is being released
Rotatable be provided in 310 inside of frame body can make clean wound membrane 700 from thereon under the action of wound membrane retraction mechanism 200
The releasing reel 320 that portion releases.
The reel damping unit 330 of certain rotary resistance can be provided it releasing to be equipped in reel 320, reel resistance
Buddhist nun's device 330 can provide certain moment of resistance by modes such as frictions to release reel 320, to guarantee actually using
In the process, releasing reel 320 will not cause wound membrane to loosen due to impact vibration etc., guarantee that wound membrane 700 has necessary
Clamp force, releasing reel 320 can quickly remove and install from releasing in frame body 310.
The lower section on 100 other side of flexible frame ontology and being located at wound membrane discharge device 300 is arranged in control device 500,
Control device 500 includes control unit 510, battery unit 520 and control button 530, battery unit 520 and control unit 510
Electrical connection, control unit 510 respectively with light intensity sensor 400, stepper motor 230 and 530 communication connection of control button.
The cross-country protective glasses auto cleaning system further includes one can be by wound membrane 700 in wound membrane recyclable device wrapup procedure
On the scraper cleaning device 600 that strikes off of spot, it includes cleaning doctor 620 that scraper, which closes device 600, and cleaning doctor 620 passes through
Scraper adjusting screw 610 is fixedly mounted on wound membrane recyclable device 200, and be located at wound membrane recyclable device 200 at film mouth,
In removal process, the spots such as dust and dirt in wound membrane 700 are struck off by cleaning doctor 620, and the basil of cleaning doctor 620
With the parameters such as height, can be adjusted with scraper adjusting screw 610.
It is of the invention that the specific working principle is as follows:
Eyeglass ontology 110 is hung on goggles by fixed hook 120 first, then by eyeglass ontology 110 according to
The radian of goggles is bent, thus make eyeglass ontology 110 and goggles good fit, subsequent user's long-pressing control button
530, so that system is entered working condition.At this point, light intensity sensor 400 records flexible frame ontology 110 and shield under original state
Light luminance between eyepiece, and data are uploaded in control unit 510 and are recorded.Meanwhile the control step of control unit 510
Setting step-length is run into motor 230, and self-test is carried out to the various components in system.
In use, when the spots such as muddy water splash in wound membrane 700, since spot can cover light,
To cause the light intensity transmitted through wound membrane 700 to decline.By the flexible frame ontology 100 of 400 real-time detection of light intensity sensor with
Light luminance between goggles.When the light luminance between flexible frame ontology 100 and goggles is lower than setting value, then it is
System determines that wound membrane surface is dirtier.Control unit 510 drives stepper motor 230 to rotate, so that dirtier wound membrane 700 be made to be wound to back
On reel 220, the spots such as dust and dirt in old wound membrane 700 are struck off by cleaning doctor 620.Until wound membrane discharge device
Clean wound membrane 700 is drawn out and substitutes original 700 position of wound membrane in 300, thus the light intensity number for detecting light intensity sensor 400
Value rises again.System determines that wound membrane 700 has replaced completion, and control unit 510 controls stepper motor 230 and stops working.
In special circumstances (such as light conditions poor, night at dusk state under), the more difficult completion wound membrane of light intensity sensor 400
When the judgement of state, user can make system enter manual work state by manually actuated control button 530.In this shape
Under state, a control button 530 is often clicked, control unit 510 will drive the circle number of the rotation setting of stepper motor 230.It is enclosed
Number calculating method is as follows:
Wherein, R indicates rotating cycle；LcrossIndicate visual field place-centric span, d indicates recycling reel when original state
Diameter.
The light that the present invention can be detected between flexible frame ontology and goggles by light intensity sensor in summary is bright
Degree, by the variation of brightness, determines the surface state of wound membrane, and in the case where wound membrane surface is dirtier, be automatically performed
The recycling of old wound membrane and new wound membrane more change jobs.Meanwhile (such as light conditions are poor, night at dusk in special state
Etc. under states), can also be controlled by the manually actuated control button of user, complete more changing jobs for wound membrane.It is using
In the process, old wound membrane is stored to wound membrane recyclable device, and after use, user can be by carrying out secondary dimension to wound membrane
Shield and Reusability.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of cross-country protective glasses auto cleaning system, which is characterized in that including
The one flexible frame ontology for being hung on goggles；
The one wound membrane recyclable device for the wound membrane backrush after being polluted by spot to upper part, the wound membrane recyclable device setting
On the side of flexible frame ontology；
The one wound membrane discharge device that under the action of the wound membrane retraction mechanism clean wound membrane can release from upper part, institute
Wound membrane discharge device is stated to be arranged on the other side of flexible frame ontology；
One is capable of the light intensity sensor of light luminance between real-time detection flexible frame ontology and goggles, the light intensity sensing
Device is arranged on flexible frame ontology and between flexible frame ontology and goggles；
One control device, the control device respectively with wound membrane recyclable device and light intensity sensor communication connection.
2. a kind of cross-country protective glasses auto cleaning system according to claim 1, it is characterised in that: the flexible frame sheet
Body includes the preferable eyeglass ontology of elasticity, and the fixed hook that can be hung on goggles is equipped on the eyeglass ontology.
3. a kind of cross-country protective glasses auto cleaning system according to claim 1, it is characterised in that: the wound membrane recycling dress
The recycling frame body including being arranged on flexible frame ontology side is set, the upside inside the recycling frame body can revolve
Turn to be equipped with the recycling reel for the wound membrane backrush after being polluted by spot to upper part, inside the recycling frame body
Downside, which is equipped with, is able to drive the stepper motor that recycling reel is rotated, and the output shaft of the stepper motor passes through reduction gearbox assembly
It is connected with recycling reel.
4. a kind of cross-country protective glasses auto cleaning system according to claim 1, it is characterised in that: the wound membrane releases dress
The releasing frame body including being arranged on the flexible frame ontology other side is set, it is rotatable inside the releasing frame body to set
It is equipped with the releasing reel that under the action of wound membrane retraction mechanism clean wound membrane can release from upper part.
5. a kind of cross-country protective glasses auto cleaning system according to claim 4, it is characterised in that: in the releasing reel
Interior be equipped with can provide it reel damping unit of certain rotary resistance.
6. a kind of cross-country protective glasses auto cleaning system according to claim 1, it is characterised in that: the control device is set
The lower section of wound membrane discharge device is set on the flexible frame ontology other side and is located at, the control device includes control unit, electricity
Pool unit and control button, the battery unit are electrically connected with control unit, the control button and control unit communication connection.
7. a kind of cross-country protective glasses auto cleaning system according to claim 1, it is characterised in that: the cross-country protective glasses is certainly
Dynamic cleaning systems further include a scraper sanitizer cartridge that can strike off the spot in wound membrane in wound membrane recyclable device wrapup procedure
It sets, it includes cleaning doctor that the scraper, which closes device, and the cleaning doctor is fixedly mounted on wound membrane by scraper adjusting screw and returns
On receiving apparatus, and be located at wound membrane recyclable device at film mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428846.8A CN110238090A (en) | 2019-05-22 | 2019-05-22 | A kind of cross-country protective glasses auto cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428846.8A CN110238090A (en) | 2019-05-22 | 2019-05-22 | A kind of cross-country protective glasses auto cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110238090A true CN110238090A (en) | 2019-09-17 |
Family
ID=67884696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910428846.8A Pending CN110238090A (en) | 2019-05-22 | 2019-05-22 | A kind of cross-country protective glasses auto cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110238090A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE503250C2 (en) * | 1994-05-10 | 1996-04-29 | Michael Westin | Device for keeping lens glass clean, in camera for monitoring traffic in tunnels |
| CN203155587U (en) * | 2012-12-31 | 2013-08-28 | 广东风华高新科技股份有限公司 | Film-scraping cleaning machine |
| CN107249095A (en) * | 2017-08-09 | 2017-10-13 | 重庆万建电子工程有限责任公司重庆第分公司 | A kind of dust-proof video camera |
| CN206652738U (en) * | 2017-03-21 | 2017-11-21 | 中国人民解放军第四军医大学 | Ultraviolet protection mirror automatic cleaning apparatus |
| CN107949223A (en) * | 2017-12-27 | 2018-04-20 | 江苏阅衡智能科技有限公司 | A kind of monitoring device with roller shutter type protective cover |
| CN207372015U (en) * | 2017-05-03 | 2018-05-18 | 杭州海康威视数字技术股份有限公司 | Frequency image monitoring system and video camera are with exempting from cleaning device |
| CN207430777U (en) * | 2017-10-27 | 2018-06-01 | 天津城建大学 | Automatically cleaning photovoltaic collecting system based on lotus leaf hydrophobicity principle |
| CN108144943A (en) * | 2017-11-19 | 2018-06-12 | 郭兴营 | A kind of solar panel dust guard |
| CN109701914A (en) * | 2018-12-29 | 2019-05-03 | 丹阳市宏鑫光学眼镜有限公司 | A kind of fog-proof lens |
-
2019
- 2019-05-22 CN CN201910428846.8A patent/CN110238090A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE503250C2 (en) * | 1994-05-10 | 1996-04-29 | Michael Westin | Device for keeping lens glass clean, in camera for monitoring traffic in tunnels |
| CN203155587U (en) * | 2012-12-31 | 2013-08-28 | 广东风华高新科技股份有限公司 | Film-scraping cleaning machine |
| CN206652738U (en) * | 2017-03-21 | 2017-11-21 | 中国人民解放军第四军医大学 | Ultraviolet protection mirror automatic cleaning apparatus |
| CN207372015U (en) * | 2017-05-03 | 2018-05-18 | 杭州海康威视数字技术股份有限公司 | Frequency image monitoring system and video camera are with exempting from cleaning device |
| CN107249095A (en) * | 2017-08-09 | 2017-10-13 | 重庆万建电子工程有限责任公司重庆第分公司 | A kind of dust-proof video camera |
| CN207430777U (en) * | 2017-10-27 | 2018-06-01 | 天津城建大学 | Automatically cleaning photovoltaic collecting system based on lotus leaf hydrophobicity principle |
| CN108144943A (en) * | 2017-11-19 | 2018-06-12 | 郭兴营 | A kind of solar panel dust guard |
| CN107949223A (en) * | 2017-12-27 | 2018-04-20 | 江苏阅衡智能科技有限公司 | A kind of monitoring device with roller shutter type protective cover |
| CN109701914A (en) * | 2018-12-29 | 2019-05-03 | 丹阳市宏鑫光学眼镜有限公司 | A kind of fog-proof lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102724393A (en) | Automatic cleaning camera | |
| CN209174438U (en) | A kind of monitoring camera with self-cleaning function | |
| CN207628775U (en) | A kind of outdoor camera form cleaning systems | |
| KR101963328B1 (en) | Smart range hood with gas detection and automatic oil removal | |
| CN219016279U (en) | Environment protection monitoring equipment | |
| CN208638439U (en) | A kind of automatically cleaning security protection spherical camera | |
| CN114785918B (en) | Resident daily garbage throwing behavior monitoring device and processing system | |
| CN212041653U (en) | Cleaning device for mechanical arm monitoring equipment | |
| CN110238090A (en) | A kind of cross-country protective glasses auto cleaning system | |
| CN212588398U (en) | Self-cleaning camera | |
| CN209913916U (en) | Internet of things-based power operation monitoring equipment | |
| CN205934811U (en) | But cleaning device of clean ability of automated inspection brush cleaner | |
| CN216979043U (en) | Water quality testing device that hydraulic engineering used | |
| CN217178161U (en) | Municipal administration is with surveillance camera head of being convenient for adjust | |
| CN214481009U (en) | AR high altitude eagle eye supervisory equipment based on many pictures concatenation technique | |
| CN209448815U (en) | A kind of video camera with dedusting function | |
| CN109499934B (en) | Monitoring equipment | |
| CN112203008A (en) | Camera with self-cleaning and dust-proof functions for underground use | |
| CN219695827U (en) | Flame perception alarm device | |
| CN208418408U (en) | A kind of illumination sounding integrated device in protective cabin | |
| CN207328321U (en) | A kind of gear caution plate fixing device with self-cleaning function | |
| CN210097928U (en) | Steel slag vertical mill air duct device with observation door | |
| CN205405035U (en) | Dustproof window subassembly of laser night -time vision device | |
| CN220175381U (en) | Protective mask capable of being repeatedly used | |
| CN217486569U (en) | Visible intercom equipment for access control |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190917 |
|
| RJ01 | Rejection of invention patent application after publication |