CN202720434U - A protective cover of a pinhole high-temperature industrial TV set - Google Patents
A protective cover of a pinhole high-temperature industrial TV set Download PDFInfo
- Publication number
- CN202720434U CN202720434U CN201220341244.2U CN201220341244U CN202720434U CN 202720434 U CN202720434 U CN 202720434U CN 201220341244 U CN201220341244 U CN 201220341244U CN 202720434 U CN202720434 U CN 202720434U
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- protective cover
- double
- cover housing
- air
- temperature industrial
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Abstract
The utility model discloses a protective cover of a pinhole high-temperature industrial TV set. The protective cover comprises a double-layer cover housing, a camera supporting plate disposed in the double-layer cover housing, and a back cover plate disposed on the rear end of the double-layer cover housing. A front peephole and a back guide hole are disposed on the front end of the double-layer cover housing. A cooling water ingoing pipe and a cooling water outgoing pipe are disposed on an outer cover housing while an air cooling pipe inserted into an inner cover housing is disposed on the inner cover housing. An air guiding channel is disposed between the inner cover housing and the outer cover housing. And a scavenging pipe is connected with the air guiding channel and is used for blowing in nitrogen and forming air curtain at the peephole. By using the air curtain, high-temperature air in a furnace can be prevented from going into the protective cover so that devices in the protective cover can be prevented from being damaged. In addition, the nitrogen can be prevented from escaping out so as to prevent maintenance personnel from inhaling the nitrogen and guarantee security of maintenance operation.
Description
Technical field
The utility model relates to the pin hole TV, more particularly, relates to a kind of pin hole high-temperature industrial television protective cover.
Background technology
The pin hole high-temperature industrial television is a kind of watch-dog of being used widely in iron and steel metallurgy enterprise, is undertaking and is observing body of heater inside with the vital role of steel running status and judgement furnace temperature.The pin hole high-temperature industrial television mainly partly is comprised of pin hole high-temperature industrial television protective cover, video camera, pinhole lens, monitor etc.Protective cover is fixedly mounted on the body of heater by flange, and front end stretches into body of heater inside, and video camera and pinhole lens are installed in the protective cover, by cable production run image in the stove that obtains is sent on the operation room monitor and watches for producers.
See also shown in Figure 1ly, pin hole high-temperature industrial television protective cover adopts stainless steel, and shell 1 leads to chilled water for sandwich construction, chilled water enters from lower water inlet 2, go out from top water delivering orifice 3, play cooling effect, video camera 4 and pinhole lens 5 are operated under the normal working temperature.According to manufacturing technique requirent, adopt nitrogen to enter in the protective cover by air intake opening 6, nitrogen can form certain air pressure on the one hand in protective cover, prevent that the high-temperature gas in the stove from pouring in the protective cover, can purge on the other hand 5 of pin hole mirrors and avoid pinhole lens 5 by in-furnace dust dirt pickup.The protective cover front end has a peep-hole 7, and pinhole lens 5 faces this peep-hole 7, thereby obtains image in the stove.Video camera 4 and pinhole lens 5 are installed on the supporting plate 8, and supporting plate 8 and back shroud 9 are connected as a single entity, and back shroud 9 is fixed on the protective cover rear portion by hexagon socket head cap screw.
At present, there is following problem in traditional pin hole high-temperature industrial television protective cover:
1, when carrying out the maintenance job of video camera and pinhole lens parts, because back shroud must be opened, can't form sealing in the protective cover this moment, nitrogen is main toward the place's dissipation of protective cover open ports, and the high-temperature gas in the stove is normal pressure (about 800Pa), high-temperature gas will pour in the protective cover at once, because temperature is up to 1000 ℃ in the stove, site test finds that when the back shroud blow-by protection case temperature just is heated to 200 ℃ from 45 ℃ within 10 seconds, thereby horse back burns video camera and pinhole lens.
2, when keeping in repair video camera and pinhole lens parts, owing to must open back shroud, so nitrogen can from unlimited protective cover rear end dissipation out, very likely cause the maintenance personal to suck nitrogen and personal injury occurs.
The utility model content
For the above-mentioned shortcoming that exists in the prior art, the purpose of this utility model provides a kind of pin hole high-temperature industrial television protective cover, and it is impaired to avoid covering interior equipment when safeguarding.
For achieving the above object, the utility model adopts following technical scheme:
This pin hole high-temperature industrial television protective cover, comprise double-deck case, be located at video camera supporting plate in the double-deck case, be located at the back shroud of double-deck case rear end, double-deck case front end is provided with front peep-hole and rear guide hole, be connected with chilled water on the outer casing into and out of pipe, inner can is provided with the air cooled lamp that passes in the inner can, be located at air guide channel between the inside and outside case, and be connected with scavenging duct, form air curtain in order to nitrogen blowing and at the peep-hole place.
Be provided with the guiding qi in spirality groove in the described air guide channel.
Described rear guide hole is provided with shifting board.
Also be provided with the O-ring seal of sealing air guide channel rear end between described back shroud and the double-deck case, back shroud is fastened by snap lock and double-deck case.
In technique scheme, pin hole high-temperature industrial television protective cover of the present utility model comprises double-deck case, be located at video camera supporting plate in the double-deck case, be located at the back shroud of double-deck case rear end, double-deck case front end is provided with front peep-hole and rear guide hole, be connected with chilled water on the outer casing into and out of pipe, inner can is provided with the air cooled lamp that passes in the inner can, be located at air guide channel between the inside and outside case, and be connected with scavenging duct, form air curtain in order to nitrogen blowing and at the peep-hole place.Can preventing body of heater internal high temperature gas from pouring protective cover by air curtain, inner to cause covering interior equipment impaired, can also prevent from that nitrogen from escaping simultaneously to cause the maintainer to suck, and guarantees the safety of upkeep operation.
Description of drawings
Fig. 1 is the structure cut-open view of the protective cover of prior art;
Fig. 2 is the structure cut-open view of protective cover of the present utility model;
Fig. 3 is the vertical view cutaway drawing of protective cover of the present utility model.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
Please in conjunction with Fig. 2～shown in Figure 3, pin hole high-temperature industrial television protective cover of the present utility model comprises double-deck case 10, be located at the video camera supporting plate 8 that is used for installing video camera 4 and pinhole lens 5 in 10, be located at the back shroud 9 of 10 rear ends, 10 front ends are provided with front peep-hole 11 and rear guide hole 12, be connected with chilled water on the outer casing into and out of pipe 13,14, pass into chilled water and be used for cooling; Inner can is provided with the air cooled lamp 15 that passes in the inner can, passes into refrigerating gas and assists cooling; Be located at air guide channel 16 between the inside and outside case, and be connected with scavenging duct 17, in order to be blown into that nitrogen purges and to form air curtain at front peep-hole 11 places.As an embodiment, be provided with guiding qi in spirality groove 18 in the described air guide channel 16, after being blown into nitrogen, can form and make the output of gas curl, not only can purge pinhole lens 5, avoid pickup, and can form the spiral air curtain at front peep-hole 11 places, stop furnace high-temperature gas to enter.Described rear guide hole 12 is provided with shifting board 19, shifting board 19 is circular, slightly larger in diameter is in rear guide hole 12, fix by latch, when pinhole lens 5 is inserted, open outwardly, when extracting pinhole lens 5 out, fall and cover rear guide hole 12, can be when carrying out video camera 4 and pinhole lens 5 parts for maintenance, it is inner that effectively isolated furnace high-temperature gas pours cover.In addition, also be provided with the O-ring seal 20 of sealing air guide channel 16 rear ends between described back shroud 9 and 10, be used for preventing that nitrogen from leaking from the rear, back shroud 9 is fastened by snap lock 21 and 10.Because air cooled lamp 15 is independent control with scavenging duct 17, when back shroud 9 is opened in the needs maintenance, because rear guide hole 12 and air cooled lamp 15 relatively independent settings, can close air cooled lamp 15 ventilations, nitrogen in the air guide channel 16 then remains forward peep-hole 11 directions operation, not only can avoid high-temperature gas to enter and cause equipment impaired, but also the injury that can avoid nitrogen to leak and cause the maintainer to suck from the rear.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates the utility model, and be not to be used as restriction of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. pin hole high-temperature industrial television protective cover is characterized in that:
Comprise double-deck case, be located at video camera supporting plate in the double-deck case, be located at the back shroud of double-deck case rear end, double-deck case front end is provided with front peep-hole and rear guide hole, be connected with chilled water on the outer casing into and out of pipe, inner can is provided with the air cooled lamp that passes in the inner can, be located at air guide channel between the inside and outside case, and be connected with scavenging duct, form air curtain in order to nitrogen blowing and at the peep-hole place.
2. pin hole high-temperature industrial television protective cover as claimed in claim 1 is characterized in that:
Be provided with the guiding qi in spirality groove in the described air guide channel.
3. pin hole high-temperature industrial television protective cover as claimed in claim 1 is characterized in that:
Described rear guide hole is provided with shifting board.
4. pin hole high-temperature industrial television protective cover as claimed in claim 1 is characterized in that:
Also be provided with the O-ring seal of sealing air guide channel rear end between described back shroud and the double-deck case, back shroud is fastened by snap lock and double-deck case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220341244.2U CN202720434U (en) | 2012-07-13 | 2012-07-13 | A protective cover of a pinhole high-temperature industrial TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220341244.2U CN202720434U (en) | 2012-07-13 | 2012-07-13 | A protective cover of a pinhole high-temperature industrial TV set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720434U true CN202720434U (en) | 2013-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220341244.2U Expired - Lifetime CN202720434U (en) | 2012-07-13 | 2012-07-13 | A protective cover of a pinhole high-temperature industrial TV set |
Country Status (1)
| Country | Link |
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| CN (1) | CN202720434U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104853A (en) * | 2014-07-23 | 2014-10-15 | 莱芜钢铁集团有限公司 | Industrial camera protection device and method |
| CN105986210A (en) * | 2015-02-06 | 2016-10-05 | 宝山钢铁股份有限公司 | Internal illumination and safety protection integrated device for furnace nose |
| CN109001956A (en) * | 2017-06-06 | 2018-12-14 | 宝山钢铁股份有限公司 | Full view endoscopic high-temperature camera |
| CN109361832A (en) * | 2018-09-29 | 2019-02-19 | 宝山钢铁股份有限公司 | A kind of interior sight camera protective cover |
| CN109981959A (en) * | 2019-04-26 | 2019-07-05 | 南京贤云机电科技有限公司 | A kind of high temperature resistant, high-heating radiation, electromagnetic radiation, explosion-proof photographic device |
| CN111367134A (en) * | 2020-04-21 | 2020-07-03 | 湖南镭目科技有限公司 | Camera protection device |
-
2012
- 2012-07-13 CN CN201220341244.2U patent/CN202720434U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104853A (en) * | 2014-07-23 | 2014-10-15 | 莱芜钢铁集团有限公司 | Industrial camera protection device and method |
| CN105986210A (en) * | 2015-02-06 | 2016-10-05 | 宝山钢铁股份有限公司 | Internal illumination and safety protection integrated device for furnace nose |
| CN105986210B (en) * | 2015-02-06 | 2019-02-05 | 宝山钢铁股份有限公司 | Furnace nose interior lighting security protection integrated apparatus |
| CN109001956A (en) * | 2017-06-06 | 2018-12-14 | 宝山钢铁股份有限公司 | Full view endoscopic high-temperature camera |
| CN109361832A (en) * | 2018-09-29 | 2019-02-19 | 宝山钢铁股份有限公司 | A kind of interior sight camera protective cover |
| CN109981959A (en) * | 2019-04-26 | 2019-07-05 | 南京贤云机电科技有限公司 | A kind of high temperature resistant, high-heating radiation, electromagnetic radiation, explosion-proof photographic device |
| CN109981959B (en) * | 2019-04-26 | 2022-03-15 | 南京贤云机电科技有限公司 | High-temperature-resistant, high-heat-radiation, electromagnetic-radiation and explosion-proof camera device |
| CN111367134A (en) * | 2020-04-21 | 2020-07-03 | 湖南镭目科技有限公司 | Camera protection device |
| CN111367134B (en) * | 2020-04-21 | 2021-11-23 | 湖南镭目科技有限公司 | Camera protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130206 |