CN112004018A - Dustproof antifog gas automatically cleaning watch-dog - Google Patents
Dustproof antifog gas automatically cleaning watch-dog Download PDFInfo
- Publication number
- CN112004018A CN112004018A CN202010966448.4A CN202010966448A CN112004018A CN 112004018 A CN112004018 A CN 112004018A CN 202010966448 A CN202010966448 A CN 202010966448A CN 112004018 A CN112004018 A CN 112004018A
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- Prior art keywords
- monitor
- shell
- side wall
- dog
- watch
- 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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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/55—Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses a dustproof anti-fog self-cleaning monitor which comprises a monitor shell with a concave-shaped cross section, wherein an annular cavity is formed in the side wall of the monitor shell, an annular sliding block is connected in the annular cavity in a sealing and sliding mode, a protective cover is embedded in the annular sliding block, a plurality of fins are welded on the outer side wall of the annular sliding block, two fixing cavities are formed in the side wall of the monitor shell and communicated with the annular cavity, magnetic plates are sleeved in the two fixing cavities in a sliding mode, electromagnets are glued on one sides, far away from the annular cavity, of the two fixing cavities, and the winding directions of the electromagnets are opposite. Has the advantages that: the monitor can effectively prevent dust and fog from attaching to the surface of the protective cover to influence the normal monitoring of the monitor, has a good heat dissipation effect, avoids aging of components due to overhigh temperature for a long time, and prolongs the service life of the monitor.
Description
Technical Field
The invention relates to the technical field of security and protection equipment, in particular to a dustproof and antifogging self-cleaning monitor.
Background
The monitor is one of the most common security devices, realizes real-time monitoring of a certain specific area, can provide information of people or vehicles passing through the area for a period of time, and is widely applied to various fields along with the increasing popularization of closed circuit monitoring in civil and commercial purposes, so that the monitor plays a role in protecting driving and navigation for enterprise management and social security.
Among the prior art, current watch-dog often all sets up in the eminence, if adhere to the dust on the safety cover of watch-dog and shelter from behind the sight, need climb the height and clear up, the clearance process degree of difficulty is great and more dangerous, and when winter, because ambient temperature is lower, and the inside temperature of watch-dog is higher, often can play the one deck water smoke because of the difference in temperature reason on the safety cover of watch-dog, influence the normal control of watch-dog, the radiating effect of current watch-dog is general simultaneously, arrange in high temperature environment for a long time, can lead to that the inside components and parts of watch-dog are ageing, influence watch-dog life, for this reason, we have provided a dustproof antifog gas automatically cleaning watch.
Disclosure of Invention
The invention aims to solve the problems that dust and water mist of a protective cover are difficult to clean and the service life of equipment is influenced due to poor heat dissipation of an existing monitor in the prior art, and provides a dustproof anti-mist self-cleaning monitor.
In order to achieve the purpose, the invention adopts the following technical scheme: a dustproof anti-fog self-cleaning monitor comprises a monitor shell with a cross section in a shape of a Chinese character 'ao' facing to one side, wherein a ring cavity is formed in the side wall of the monitor shell, an annular slide block is connected in the ring cavity in a sealing and sliding manner, a protective cover is embedded in the annular slide block, a plurality of fins are welded on the outer side wall of the annular slide block, two fixed cavities are formed in the side wall of the monitor shell, the fixed cavities are communicated with the ring cavity, a magnetic plate is sleeved in the two fixed cavities in a sliding manner, electromagnets are glued on one sides of the two fixed cavities, which are far away from the ring cavity, the winding directions of the electromagnets are opposite, a heat dissipation liquid is filled in the ring cavity and the fixed cavities, a mounting plate is welded in the monitor shell, a, a trigger starting device is arranged inside the monitor shell.
In foretell dustproof antifog gas automatically cleaning watch-dog, trigger starting drive and include infrared photo resistor, thermistor and two load resistance, infrared photo resistor is close to the lateral wall veneer of safety cover one side with the mounting panel, the watch-dog shell is located inside lateral wall veneer between mounting panel and the safety cover has infrared emitter, thermistor sets up inside the watch-dog shell.
In foretell dustproof antifog gas automatically cleaning watch-dog, the heat abstractor that blows includes the gas storage box that is opening font down with watch-dog shell lateral wall welding machine and cross-section, two first through-holes and second through-hole have been seted up to watch-dog shell lateral wall, first through-hole will watch-dog shell and fixed chamber intercommunication, one of them the second through-hole will one of them fixed chamber and gas storage box intercommunication, another the second through-hole will another fixed chamber and external intercommunication, the gas storage box lateral wall runs through fixedly connected with outlet duct, the one end of gas storage box is kept away from to the outlet duct is towards the safety cover lateral wall.
In foretell dustproof antifog gas automatically cleaning watch-dog, the watch-dog shell inside wall is inlayed and is had the heat-conducting plate, two all be provided with the check valve in the second through-hole, be provided with the pressure valve in the outlet duct, the welding of watch-dog shell lateral wall has a plurality of fin.
In the dustproof and antifogging self-cleaning monitor, the resistances of the two load resistors, the infrared photoresistor and the thermistor are consistent.
Compared with the prior art, the invention has the advantages that:
1. when dust is attached to the outer surface of a protective cover of a monitor or fog is generated to influence the sight, infrared rays generated by an infrared emitter are partially reflected back to cause the resistance value of an infrared photoresistor to change, at the moment, the two electromagnets are electrified, because the two electromagnets are connected with mains supply, the two electromagnets can generate periodically changed magnetic force, and because the winding directions of the two electromagnets are opposite, the magnetic forces of the two electromagnets are always opposite, the two magnetic plates are driven to periodically reciprocate to move in opposite directions to push radiating liquid, the radiating liquid impacts fins to drive the annular sliding block to rotate at high speed, so that the protective cover rotates at high speed, at the moment, the dust is thrown away by centrifugal force generated by high-speed rotation, and the fog is thrown away to the edge of the protective cover under the action of the centrifugal force, so that the;
2. when the temperature of the monitor is high, the resistance value of the thermistor is changed, the two electromagnets are also powered on, the magnetic plates push the heat dissipation liquid in a reciprocating manner, the heat dissipation liquid is forced to circulate, internal heat is dissipated through the heat conduction plate, meanwhile, when the two magnetic plates slide in a reciprocating manner periodically, external air is sucked into the magnetic plates, air with heat in the magnetic plates is pushed into the air storage box, internal air circulation is accelerated, a better heat dissipation effect is achieved, aging of components due to overhigh temperature is avoided, and the service life of the monitor is prolonged;
3. if the dust on the surface of the protective cover is relatively stubborn, when the centrifugal force of high-speed rotation is not enough to throw the dust off, along with the continuous increase of gas in the gas storage box, the pressure is continuously increased, until the critical value of the pressure valve is increased, the pressure valve is opened, and the high-pressure gas is sprayed out through the gas outlet pipe to blow off the stubborn dust on the surface.
Drawings
FIG. 1 is a schematic structural view of a dustproof and antifogging self-cleaning monitor according to the present invention;
FIG. 2 is an enlarged view of the position A of the dustproof and antifogging self-cleaning monitor provided by the present invention;
FIG. 3 is a cross-sectional view of the monitor at position B for self-cleaning with dust-proof, anti-fog and self-cleaning;
fig. 4 is a circuit connection diagram of a triggering and starting device of a dustproof and antifogging self-cleaning monitor according to the present invention.
In the figure: the device comprises a monitor shell 1, a protective cover 2, an annular sliding block 21, fins 22, a mounting plate 3, a monitoring probe 31, an infrared emitter 32, an infrared photoresistor 33, a fixed cavity 4, a magnetic plate 5, an electromagnet 6, a first through hole 7, a second through hole 8, a gas storage box 9, a gas outlet pipe 10, a pressure valve 11, a shading plate 12, heat dissipation liquid 13, a heat conduction plate 14, a thermistor 15, a heat dissipation fin 16, a load resistor 17 and an annular cavity 101.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a dustproof anti-fog self-cleaning monitor comprises a monitor shell 1 with a concave-shaped cross section with an opening facing one side, an annular cavity 101 is formed in the side wall of the monitor shell 1, an annular slider 21 is connected in the annular cavity 101 in a sealing and sliding manner, a protective cover 2 is embedded in the annular slider 21, a plurality of fins 22 are welded on the outer side wall of the annular slider 21, the fins 22 are arranged in an inclined manner, two fixed cavities 4 are formed in the side wall of the monitor shell 1, the two fixed cavities 4 are respectively located in the upper side wall and the lower side wall of the monitor shell 1, the fixed cavities 4 are communicated with the annular cavity 101, magnetic plates 5 are respectively sleeved in the two fixed cavities 4 in a sliding manner, baffles (not shown in the figure) are respectively arranged in the two fixed cavities 4, the sliding distance of the two magnetic plates 5 is limited, so that the magnetic plates can only slide in the, two electro-magnets 6's wire winding opposite direction, annular chamber 101 and fixed intracavity 4 intussuseption are filled with radiating liquid 13, and the welding has mounting panel 3 in the watch-dog shell, and 3 lateral walls fixedly connected with monitor probe 31 of mounting panel, 1 lateral walls of watch-dog shell are provided with the heat abstractor that blows, and watch-dog shell 1 is inside to be provided with and to trigger starting drive.
The trigger starting device comprises an infrared light sensitive resistor 33, a thermistor 15 and two load resistors 17, wherein the light sensitive resistor 33 is glued with the side wall of the mounting plate 3 close to one side of the protective cover 2, the inner side wall of the monitor shell 1 between the mounting plate 3 and the protective cover 2 is glued with an infrared emitter 32, the thermistor 15 is arranged in the monitor shell 1, one load resistor 17 is connected with the infrared light sensitive resistor 33 in series through a lead to form a first branch, the other load resistor 17 is connected with the thermistor 15 in series through a lead to form a second branch, the first branch and the second branch are connected with a monitor power supply in parallel through leads, a first lead is led out from the lead between the load resistor 17 and the infrared light sensitive resistor 33 in the first branch, a second lead is led out from the lead between the load resistor 17 and the thermistor 15 in the second branch, and the two electromagnets 6 are connected in series between the first lead and the second lead through, the two load resistors 17, the infrared light sensitive resistor 33, the thermistor 15 and the two electromagnets 6 jointly form a bridge circuit, and when the resistance value of any one of the infrared light sensitive resistor 33 and the thermistor 15 occurs, the two electromagnets 6 are powered on, and the dust removal and heat dissipation device can be triggered.
The blowing heat dissipation device comprises a gas storage box 9 which is welded with the outer side wall of a monitor shell 1 and has a concave-shaped cross section with a downward opening, two first through holes 7 and two second through holes 8 are formed in the side wall of the monitor shell 1, the monitor shell 1 is communicated with a fixed cavity 4 through the first through holes 7, one fixed cavity 4 is communicated with the gas storage box 9 through one second through hole 8, the other fixed cavity 4 is communicated with the external through the other second through hole 8, an air outlet pipe 10 is fixedly connected to the side wall of the gas storage box 9 in a penetrating manner, one end, far away from the gas storage box 9, of the air outlet pipe 10 faces the side wall of a protection cover 2, internal air circulation is accelerated through the two first through holes 7 and the second through holes 8, a better heat dissipation effect is obtained, gas with higher internal temperature is collected and blown to the protection cover 2 after pressurization, hard dust can be blown down, and the temperature of, the temperature difference of the two sides of the protective cover 2 is balanced, and the generation of fog is avoided.
Monitor shell 1 inside wall is inlayed and is had heat-conducting plate 14, heat-conducting plate 14 makes inside can be better produce the heat exchange with radiating liquid 13, reach better radiating effect, all be provided with the check valve in two second through-holes 8, the check valve in the second through-hole 8 of fixed chamber 4 of intercommunication and gas storage box 9 only allows gaseous entering gas storage box 9, the check valve in the second through-hole 8 of the fixed chamber 4 of intercommunication and external only allows the air to get into fixed chamber 4 from the external world, be provided with pressure valve 11 in the outlet duct 10, the welding of monitor shell 1 lateral wall has a plurality of fin 16, fin 16 has increased the area of radiating liquid 13 with the external heat exchange, reach better radiating effect.
The resistances of the two load resistors 17, the photoresistors 33 and the thermistors 15 are consistent, the initial resistances of the two load motors 17, the photoresistors 33 and the thermistors 15 are consistent, namely if the temperature is in a normal range and no sundries block the protective cover 2, the resistances of the two load resistors 17, the photoresistors 33 and the thermistors 15 are consistent, the potentials of the first branch and the second branch are consistent, no potential difference exists, namely the two electromagnets are not electrified, and the whole electric shock device is connected to a monitor power supply and is connected to a mains supply.
In the invention, the infrared emitter 32 generates infrared rays, if the protective cover 2 is transparent, the infrared rays directly pass through, if fog or dust is generated on the protective cover 2, part of the infrared rays are reflected back to irradiate the infrared photoresistor 33, so that the resistance of the infrared photoresistor 33 is changed, at the moment, the two electromagnets 6 are electrified, because the two electromagnets 6 are connected to the mains supply and the winding directions are opposite, the two electromagnets 6 always generate magnetic fields with opposite and periodic transformation directions, so that the two magnetic plates 5 always slide towards the opposite direction and the periodic transformation direction, the magnetic plate 5 at one side pushes the heat dissipation liquid 13 into the annular cavity 101, the magnetic plate 5 at the other side pumps the heat dissipation liquid 13 into the annular cavity 101, under the impact of the heat dissipation liquid 13, the fins 22 drive the annular slide block 21 to rotate, so that the protective cover 2 rotates at high speed to generate centrifugal force, under the action of centrifugal force, water drops generated by fog slide to two sides of the protective cover 2, and the dust is directly thrown off, if the dust is not thrown off, the dust cannot block the normal monitoring of the monitor due to the high-speed rotation of the protective cover 2, only the picture shot by the monitor becomes dark slightly, the normal monitoring is not influenced, and the high-pressure gas is waited to blow off the water drops;
when the internal temperature exceeds a critical value, the resistance value of the thermistor 15 changes, so that the two electromagnets 6 are powered on, in the periodic reciprocating motion process of the magnetic plate 5, the cooling is realized through the circulation of the heat dissipation liquid 13, meanwhile, the periodic reciprocating motion of the magnetic plate 5 can suck the outside air into the monitor shell 1 through the second through hole 8 at the lower part, the air with a certain temperature in the air storage box 9 is pushed into the air storage box through the second through hole 8 at the upper part, and the heat dissipation is carried out through forced air flow;
along with gas constantly increases in the gas storage box 9, pressure constantly increases, when increasing to the critical value of pressure valve 11, pressure valve 1 opens, make the high-pressure gas who has the uniform temperature strike safety cover 2 surface, will be stubborn dust and blow off, fog is generally because the inside temperature of watch-dog is higher, and the outside temperature of watch-dog is lower, 2 both sides of safety cover then can produce the temperature difference this moment, vapor in the air condenses the production on safety cover 2, and the gas that has the uniform temperature can make safety cover 2 be located the one side temperature rise in the watch-dog outside, reduce the temperature difference of 2 both sides of safety cover, the production fog on safety cover 2 has been avoided.
Although the terms of the monitor housing 1, the protective cover 2, the annular slider 21, the fins 22, the mounting plate 3, the monitoring probe 31, the infrared emitter 32, the infrared photoresistor 33, the fixed chamber 4, the magnetic plate 5, the electromagnet 6, the first through hole 7, the second through hole 8, the gas storage box 9, the gas outlet pipe 10, the pressure valve 11, the light shielding plate 12, the heat dissipating liquid 13, the heat conducting plate 14, the thermistor 15, the heat dissipating fin 16, the load resistor 17, the annular chamber 101, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (5)
1. The utility model provides a dustproof antifog gas automatically cleaning watch-dog, includes that the cross-section is opening towards monitor shell (1) of one side font, its characterized in that, annular chamber (101) have been seted up in monitor shell (1) lateral wall, annular chamber (101) internal seal sliding connection has annular slider (21), it has safety cover (2) to inlay in annular slider (21), annular slider (21) lateral wall welding has a plurality of fins (22), set up two fixed chambeies (4) in monitor shell (1) lateral wall, fixed chamber (4) and annular chamber (101) intercommunication, two equal sliding sleeve has magnetic sheet (5) in fixed chamber (4), two one side that annular chamber (101) were kept away from to fixed chamber (4) all is glued electro-magnet (6), two the wire winding opposite direction of electro-magnet (6), annular chamber (101) and fixed chamber (4) intussuseption are filled with coolant liquid (13), the utility model discloses a monitor, including watch-dog shell, welding has mounting panel (3) in the watch-dog shell, mounting panel (3) lateral wall fixedly connected with monitor probe (31), watch-dog shell (1) lateral wall is provided with the heat abstractor that blows, watch-dog shell (1) inside is provided with triggers starting drive.
2. The monitor of claim 1, wherein the trigger starting device comprises an infrared light-sensitive resistor (33), a thermistor (15) and two load resistors (17), the infrared light-sensitive resistor (33) is glued with the side wall of the mounting plate (3) close to one side of the protection cover (2), the monitor housing (1) is glued with the inner side wall between the mounting plate (3) and the protection cover (2) with an infrared emitter (32), and the thermistor (15) is arranged inside the monitor housing (1).
3. The monitor of claim 1, wherein the monitor is capable of preventing dust and fog, the blowing heat dissipation device comprises a gas storage box (9) which is welded with the outer side wall of the monitor shell (1) and has a concave-shaped section with a downward opening, the side wall of the monitor shell (1) is provided with two first through holes (7) and a second through hole (8), the first through hole (7) communicates the monitor housing (1) with the fixing cavity (4), one of the second through holes (8) communicates one of the fixed cavities (4) with the gas storage box (9), the other second through hole (8) communicates the other fixed cavity (4) with the external connection, the side wall of the gas storage box (9) penetrates through a fixedly connected gas outlet pipe (10), and one end, far away from the gas storage box (9), of the gas outlet pipe (10) faces the side wall of the protective cover (2).
4. The monitor of claim 3, wherein the monitor shell (1) has an inner sidewall embedded with a heat conducting plate (14), two second through holes (8) are provided with one-way valves, the outlet pipe (10) is provided with a pressure valve (11), and the monitor shell (1) has a plurality of cooling fins (16) welded on the sidewall.
5. The monitor of claim 2, wherein the resistances of the two load resistors (17), the infrared light-sensitive resistor (33) and the thermistor (15) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966448.4A CN112004018B (en) | 2020-09-15 | 2020-09-15 | Dustproof antifog gas automatically cleaning watch-dog |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010966448.4A CN112004018B (en) | 2020-09-15 | 2020-09-15 | Dustproof antifog gas automatically cleaning watch-dog |
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| Publication Number | Publication Date |
|---|---|
| CN112004018A true CN112004018A (en) | 2020-11-27 |
| CN112004018B CN112004018B (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010966448.4A Active CN112004018B (en) | 2020-09-15 | 2020-09-15 | Dustproof antifog gas automatically cleaning watch-dog |
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| Country | Link |
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| CN (1) | CN112004018B (en) |
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| CN112901931A (en) * | 2021-01-18 | 2021-06-04 | 天津创通科技股份有限公司 | Intelligent security monitoring device |
| CN113431981A (en) * | 2021-07-09 | 2021-09-24 | 重庆交通大学 | Prevent tunnel drain pipe of crystallization jam |
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| CN113431981B (en) * | 2021-07-09 | 2022-06-14 | 重庆交通大学 | Prevent tunnel drain pipe of crystallization jam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112004018B (en) | 2021-04-23 |
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