CN106902485A - For the automatic fire extinguishing system of liquid crystal TV set - Google Patents

For the automatic fire extinguishing system of liquid crystal TV set Download PDF

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Publication number
CN106902485A
CN106902485A CN201710202395.7A CN201710202395A CN106902485A CN 106902485 A CN106902485 A CN 106902485A CN 201710202395 A CN201710202395 A CN 201710202395A CN 106902485 A CN106902485 A CN 106902485A
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CN
China
Prior art keywords
liquid crystal
plate
torsionspring
connecting rod
shell
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Granted
Application number
CN201710202395.7A
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Chinese (zh)
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CN106902485B (en
Inventor
翟让海
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN201710202395.7A priority Critical patent/CN106902485B/en
Publication of CN106902485A publication Critical patent/CN106902485A/en
Application granted granted Critical
Publication of CN106902485B publication Critical patent/CN106902485B/en
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The present invention relates to liquid crystal TV set apparatus field, particularly a kind of automatic fire extinguishing system for liquid crystal TV set, including TV shell, liquid crystal display module, circuit module, TV shell is connected with the matching of liquid crystal display module, circuit module is arranged in the space that TV shell is formed with liquid crystal display module, air vent is provided with TV shell, Kick type bimetal strip thermostat is additionally provided with the space that TV shell and liquid crystal display module are formed, baffle plate, connecting rod, torsionspring, limit fastener mechanism, saltus step connecting rod, Kick type bimetal strip thermostat can be by saltus step connecting rod, the transmission of connecting rod, limit fastener mechanism is set to lose to the spacing of baffle plate, and under torsionspring effect, baffle plate is set to cover air vent.The present invention provides a kind of simple structure, the automatic fire extinguishing system of safe liquid crystal TV set.

Description

For the automatic fire extinguishing system of liquid crystal TV set
Technical field
The present invention relates to liquid crystal TV set apparatus field, particularly a kind of automatic fire extinguishing system for liquid crystal TV set.
Background technology
As the development of society, liquid crystal TV set have been popularized, substantially every household is fitted with LCD TV Machine, counts according to related data, and Chinese liquid crystal TV set sales volume is 46,000,000 within 2016,2015 end of the year liquid crystal TV sets of cut-off Total recoverable amount is more than 3.7 hundred million.The safe-use period of liquid crystal TV set is limited to 7 years, overage to use hiding serious potential safety hazard. Liquid crystal TV set inside includes the circuit modules such as power panel and signal-processing board, and various electronic components are covered with above, and transmission is high Voltage and high current, humid environment, device aging, voltage instability, dust invasion etc. may cause shorted devices to burn, and be TV The point of origin of spontaneous combustion, and then the furniture that can ignite, cause property to burn, the serious consequence of personal injury, liquid crystal TV set security It is low.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of simple structure, the automatic of safe liquid crystal TV set and goes out Fiery system.
The technical solution adopted for the present invention to solve the technical problems is:For the automatic fire extinguishing system of liquid crystal TV set, Including TV shell, liquid crystal display module, circuit module, TV shell is connected with the matching of liquid crystal display module, and circuit module sets Put in the space that TV shell and liquid crystal display module are formed, air vent is provided with TV shell, in television set machine Kick type bimetal strip thermostat, baffle plate, connecting rod, torsion bullet are additionally provided with the space that shell is formed with liquid crystal display module Spring, limit fastener mechanism, saltus step connecting rod, baffle plate are connected by torsionspring with TV shell, and limit fastener mechanism is to gear Plate carries out spacing, and the position of baffle plate is corresponding with the position of air vent, and torsionspring is in torsional deflection state;
Kick type bimetal strip thermostat can make limit fastener mechanism lose right by saltus step connecting rod, the transmission of connecting rod Baffle plate it is spacing, and torsionspring effect under, baffle plate is covered air vent.
It is further that, also including leverage, leverage includes lever and corresponding balance pivot;
TV shell includes bonnet, upper plate, lower plate, left plate, the right plate of correspondence connection, is all provided with upper plate, lower plate Air vent is equipped with, baffle plate includes first gear plate, second gear plate, and limit fastener mechanism includes the first limiting card fastener, second Limiting card fastener, connecting rod includes head rod part, the second connecting rod, and torsionspring includes the first torsionspring part, the Two torsionspring parts;
First gear plate is arranged on the disposed at air vent of upper plate by the first torsionspring part, and the first limiting card fastener is to upper plate Carry out spacing, and first gear plate is perpendicular with upper plate, and the first torsionspring part is in torsional deflection state, head rod part One end is connected with the first limiting card fastener, and the other end is connected with saltus step connecting rod, saltus step connecting rod and Kick type bimetal leaf temperature Control device is connected;
Second gear plate is arranged on the disposed at air vent of lower plate by the second torsionspring part, and the second limiting card fastener is to lower plate Carry out spacing, and second gear plate is perpendicular with lower plate, and the second torsionspring part is in torsional deflection state, the second connecting rod One end is connected with the second limiting card fastener, and the other end is connected with one end of lever, the other end and the saltus step connecting rod phase of lever Connection.
It is further that the first torsionspring part, the quantity of the first limiting card fastener are two, head rod part It is shaped as Y-shaped.
It is further that the second torsionspring part, the quantity of the second limiting card fastener are two, the second connecting rod It is shaped as Y-shaped.
It is further that first gear plate, the surface of second gear plate are provided with layer of silica gel.
It is further that, also including left clapboard, right clapboard, left clapboard, the surrounding of right clapboard are provided with fire resisting layer of silica gel, Left clapboard is arranged at left plate, and is connected with TV shell, liquid crystal display module, and right clapboard is arranged at right plate, and It is connected with TV shell, liquid crystal display module.
It is further that the inner surface setting of bonnet has the fire-retardant films of PVC, the position of the fire-retardant films of PVC and circuit module Position is corresponding.
It is further, also including AC power cord, Kick type bimetal strip thermostat one end and AC power cord and string Connection connection, the other end is connected with circuit module.
It is further that Kick type bimetal strip thermostat is manual replacement type temperature controller.
The beneficial effects of the invention are as follows:It is prominent by being provided with the space that TV shell is formed with liquid crystal display module Jump formula bimetal strip thermostat, sets a triggering temperature, when the temperature in liquid crystal TV set by Kick type bimetal strip thermostat When degree (be probably spontaneous combustion that circuit module causes) exceedes design temperature, the bimetal leaf of temperature controller is triggered, and moment produces prominent Deformation is jumped, so as to drive saltus step link motion, by the transmission of connecting rod, limit fastener mechanism is lost to the spacing of baffle plate, Because torsionspring is in torsional deflection state, baffle plate is rotated about their axes under the twisting force of torsionspring, so that will ventilation Port lid is lived, and moment in TV shell is formed a confined space, and in the space, internal oxygen will be drained unnecessarily quickly, resistance The disconnected required oxygen of burning, can rapid self-extinguishing at the initial stage of circuit module burning, it is to avoid spontaneous combustion spreads, it is ensured that make Security, it is safe, it is to avoid great property loss and personal injury, it is all significant to consumer and society. The automatic fire extinguishing system simple structure of liquid crystal TV set of the invention, technology maturation are reliable, low cost, beneficial to popularization.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Marked in figure:Kick type bimetal strip thermostat 1, saltus step connecting rod 2, air vent 3, lever 41, balance pivot 42, Upper plate 51, lower plate 52, left plate 53, right plate 54, first gear plate 61, second gear plate 62, the first limiting card fastener 71, Two limiting card fasteners 72, head rod part 81, the second connecting rod 82, the first torsionspring part 91, the second torsionspring part 92。
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Signified orientation of the invention is defined according to the orientation shown in Fig. 1.
As shown in figure 1, for the automatic fire extinguishing system of liquid crystal TV set, including TV shell, liquid crystal display module, circuit Module, TV shell is connected with the matching of liquid crystal display module, and circuit module is arranged on TV shell and liquid crystal display module institute shape Into space in, air vent 3 is provided with TV shell, in the space that TV shell and liquid crystal display module are formed also It is provided with Kick type bimetal strip thermostat 1, baffle plate, connecting rod, torsionspring, limit fastener mechanism, saltus step connecting rod 2, baffle plate It is connected with TV shell by torsionspring, limit fastener mechanism carries out spacing to baffle plate, and limit fastener mechanism can be Buckle-type, or hole clipping formula, the position of baffle plate are corresponding with the position of air vent 3, and torsionspring is in torsional deflection state; Kick type bimetal strip thermostat 1 can be such that limit fastener mechanism loses to baffle plate by the transmission of saltus step connecting rod 2, connecting rod It is spacing, and under torsionspring effect, baffle plate is covered air vent 3.
Temperature is less than 60 DEG C during liquid crystal TV set normal work, and Kick type bimetal strip thermostat setting triggering temperature is set Be calculated as 80 DEG C, when the temperature in liquid crystal TV set exceedes design temperature, such as the spontaneous combustion that circuit module causes, temperature controller it is double Sheet metal is triggered, and moment produces kick deformation, so as to drive saltus step connecting rod 2 to move, by the transmission of connecting rod, makes limiting card Buckle mechanism is lost to the spacing of baffle plate, because torsionspring is in torsional deflection state, twisting force of the baffle plate in torsionspring Under be rotated about their axes, so as to air vent 3 be covered, moment in TV shell is formed a confined space, in the space, Internal oxygen will be drained unnecessarily quickly, the required oxygen of blocking burning, the rapid self-extinguishing by the initial stage of circuit module burning, Avoid spreading for spontaneous combustion, it is ensured that the security for using, it is safe, it is to avoid great property loss and personal injury, offset The person of expense and society are all significant.The automatic fire extinguishing system simple structure of liquid crystal TV set of the invention, technology maturation be reliable, Low cost, beneficial to popularization.
Specifically, currently preferred TV shell includes bonnet, upper plate 51, the lower plate 52, left plate of correspondence connection 53rd, right plate 54, air vent 3 is provided with upper plate 51, lower plate 52, due to being provided with air vent in upper plate 51, lower plate 52 3, it is necessary to cover the air vent 3 at two simultaneously, a kind of present invention preferably good scheme of simple structure, low cost, using effect, Specially:Again as shown in figure 1, baffle plate includes first gear plate 61, second gear plate 62, limit fastener mechanism includes that first is spacing Fastener 71, the second limiting card fastener 72, connecting rod include head rod part 81, the second connecting rod 82, torsionspring bag Include the first torsionspring part 91, the second torsionspring part 92;First gear plate 61 is arranged on by the first torsionspring part 91 At the air vent 3 of plate 51, the first limiting card fastener 71 upper plate 51 is carried out it is spacing, for prevent first gear plate 61 influence television set Ventilation and heat when normally using, first gear plate 61 is perpendicular with upper plate 51, and the first torsionspring part 91 is in torsional deflection State, one end of head rod part 81 is connected with the first limiting card fastener 71, and the other end is connected with saltus step connecting rod 2, saltus step Connecting rod 2 is connected with Kick type bimetal strip thermostat 1;Second gear plate 62 is arranged on lower plate by the second torsionspring part 92 At 52 air vent 3, the second limiting card fastener 72 carries out spacing to lower plate 52, and similarly, second gear plate 62 mutually hangs down with lower plate 52 Directly, the second torsionspring part 92 is in torsional deflection state, in order that Kick type bimetal strip thermostat 1 can control simultaneously will be upper Plate 51, the air vent 3 of lower plate 52 are all covered, and by setting a leverage, leverage includes lever 41 and corresponding Balance pivot 42;The one end of second connecting rod 82 is connected with the second limiting card fastener 72, one end phase of the other end and lever 41 Connection, the other end of lever 41 is connected with saltus step connecting rod 2.When the temperature in liquid crystal TV set exceedes design temperature, temperature control The bimetal leaf of device is triggered, and moment produces kick deformation, and saltus step connecting rod 2 drives head rod part 81 to move down, and makes the One limiting card fastener 71 is lost to the spacing of first gear plate 61, and first gear plate 61 is made in the torsion of the first torsionspring part 91 Under, first gear plate 61 is set to cover the air vent 3 of upper plate 51;Meanwhile, in the presence of lever 41, the second connecting rod 82 Move up, the second limiting card fastener 72 is lost to the spacing of second gear plate 62, second gear plate 62 reverses bullet second Under the twisting force of spring part 92, second gear plate 61 is covered the air vent 3 of lower plate 52, thus complete simultaneously to upper plate 51, The air vent 3 of lower plate 52 is all covered, and forms a confined space.
In for above-mentioned preferred embodiment, in order to improve using effect, the first torsionspring part 91, the first limiting card fastener 71 quantity is two, and head rod part 81 is shaped as Y-shaped.Second torsionspring part 92, the second limiting card fastener 72 quantity is two, and the second connecting rod 82 is shaped as Y-shaped.In order to improve first gear plate 61 to upper plate 51 and Two casing members 62 cover effect to air vent 3 in upper plate 52, it is ensured that preferable sealing, in first gear plate 61, second gear The surface of plate 62 is provided with layer of silica gel.Because TV shell is generally plastic material, bonnet, upper plate 51, lower plate 52, left side To be spliced, connection each other there may be larger gap plate 53, right plate 54, left plate 53, right plate 54 Area is smaller, and the area of bonnet is larger, and bonnet is closer to the distance with circuit module, occur spontaneous combustion when, the damage degree being likely to result in compared with It is high, it is necessary to stronger flameproof effect.So, the present invention improves left plate 53, right plate 54 by setting left clapboard, right clapboard Sealing, left clapboard, the surrounding of right clapboard be provided with fire resisting layer of silica gel to ensure there is stronger sealing, and left clapboard is set At left plate 53, and it is connected with TV shell, liquid crystal display module, right clapboard is arranged at right plate 54, and and TV Machine casing, liquid crystal display module are connected;And the inner surface setting in bonnet has the fire-retardant films of PVC, the fire prevention effect of the fire-retardant films of PVC It is really good, it is cost-effective, the position of the fire-retardant films of PVC is corresponding with circuit module position.Further, liquid crystal TV set Using 220V Alternating Current Power Supplies, if can in time disconnect power supply can avoid newly-increased burning point, fire-fighting safety, effect can be carried Height, the one end of Kick type bimetal strip thermostat 1 first with AC power cord be connected in series, the other end is connected with circuit module again, When Kick type bimetal strip thermostat 1 reaches triggering temperature, Kick type bimetal strip thermostat 1 is also disconnected, and makes television set Interior alternating current is also disconnected, and when Kick type bimetal strip thermostat 1 is preferably manual replacement type temperature controller, it is above-mentioned dynamic Work can not recover automatically, keep television set to be constantly in off-position.

Claims (9)

1. the automatic fire extinguishing system of liquid crystal TV set, including TV shell, liquid crystal display module, circuit module, television set are used for Casing is connected with the matching of liquid crystal display module, and circuit module is arranged in the space that TV shell is formed with liquid crystal display module, Air vent (3) is provided with TV shell, it is characterised in that:In the space that TV shell and liquid crystal display module are formed It is additionally provided with Kick type bimetal strip thermostat (1), baffle plate, connecting rod, torsionspring, limit fastener mechanism, saltus step connecting rod (2), baffle plate is connected by torsionspring with TV shell, and limit fastener mechanism carries out spacing, the position of baffle plate to baffle plate Position with air vent (3) is corresponding, and torsionspring is in torsional deflection state;
Kick type bimetal strip thermostat (1) can lose limit fastener mechanism by saltus step connecting rod (2), the transmission of connecting rod To the spacing of baffle plate, and under torsionspring effect, baffle plate is set to cover air vent (3).
2. the automatic fire extinguishing system of liquid crystal TV set is used for as claimed in claim 1, it is characterised in that:Also include Lever machine Structure, leverage includes lever (41) and corresponding balance pivot (42);
TV shell includes bonnet, upper plate (51), lower plate (52), left plate (53), the right plate (54), upper plate of correspondence connection (51) air vent (3), is provided with lower plate (52), baffle plate includes first gear plate (61), second gear plate (62), limiting card Buckle mechanism includes the first limiting card fastener (71), the second limiting card fastener (72), and connecting rod includes head rod part (81), the Two connecting rods (82), torsionspring includes the first torsionspring part (91), the second torsionspring part (92);
First gear plate (61) is arranged on air vent (3) place of upper plate (51) by the first torsionspring part (91), and first is spacing Fastener (71) carries out spacing to upper plate (51), and first gear plate (61) is perpendicular with upper plate (51), the first torsionspring part (91) in torsional deflection state, head rod part (81) one end is connected with the first limiting card fastener (71), the other end with Saltus step connecting rod (2) is connected, and saltus step connecting rod (2) is connected with Kick type bimetal strip thermostat (1);
Second gear plate (62) is arranged on air vent (3) place of lower plate (52) by the second torsionspring part (92), and second is spacing Fastener (72) carries out spacing to lower plate (52), and second gear plate (62) is perpendicular with lower plate (52), the second torsionspring part (92) in torsional deflection state, the second connecting rod (82) one end is connected with the second limiting card fastener (72), the other end with One end of lever (41) is connected, and the other end of lever (41) is connected with saltus step connecting rod (2).
3. the automatic fire extinguishing system of liquid crystal TV set is used for as claimed in claim 2, it is characterised in that:First torsionspring part (91), the quantity of the first limiting card fastener (71) is two, and head rod part (81) is shaped as Y-shaped.
4. the automatic fire extinguishing system of liquid crystal TV set is used for as claimed in claim 2, it is characterised in that:Second torsionspring part (92), the quantity of the second limiting card fastener (72) is two, and the second connecting rod (82) is shaped as Y-shaped.
5. the automatic fire extinguishing system of liquid crystal TV set is used for as claimed in claim 2, it is characterised in that:First gear plate (61), the surface of second gear plate (62) is provided with layer of silica gel.
6. the automatic fire extinguishing system of liquid crystal TV set is used for as claimed in claim 2, it is characterised in that:Also include left clapboard, Right clapboard, left clapboard, the surrounding of right clapboard are provided with fire resisting layer of silica gel, and left clapboard is arranged on left plate (53) place, and with electricity Be connected depending on machine casing, liquid crystal display module, right clapboard is arranged on right plate (54) place, and with TV shell, liquid crystal display module It is connected.
7. the automatic fire extinguishing system of liquid crystal TV set is used for as claimed in claim 2, it is characterised in that:The inner surface of bonnet sets The fire-retardant films of PVC are equipped with, the position of the fire-retardant films of PVC is corresponding with circuit module position.
8. the automatic fire extinguishing system for liquid crystal TV set as described in claim 1 to 7 any one, it is characterised in that:Also Including AC power cord, Kick type bimetal strip thermostat (1) one end and AC power cord be connected in series, the other end and circuit Module is connected.
9. the automatic fire extinguishing system of liquid crystal TV set is used for as claimed in claim 8, it is characterised in that:Kick type bimetal leaf Temperature controller (1) is manual replacement type temperature controller.
CN201710202395.7A 2017-03-30 2017-03-30 Automatic fire extinguishing system for liquid crystal TV set Active CN106902485B (en)

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CN106902485B CN106902485B (en) 2019-10-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109257502A (en) * 2018-10-08 2019-01-22 深圳小淼科技有限公司 A kind of Single panel LCD intelligence projection TV liquid crystal display guard and shell
CN110599920A (en) * 2019-09-19 2019-12-20 南京习成机电科技有限公司 Liquid crystal display prevents falling protection device
CN111264262A (en) * 2020-03-17 2020-06-12 金珊珊 Orchard protection device capable of automatically smoking and preventing frost at night

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201947382U (en) * 2011-01-28 2011-08-24 陶氏模具集团有限公司 Double folding type liquid crystal display television
CN203167116U (en) * 2012-12-12 2013-08-28 东莞市群佳实业有限公司 Fireproof and shockproof television shell
CN103893937A (en) * 2012-12-25 2014-07-02 皆盈绿动能科技股份有限公司 Temperature control fire extinguishing device
US20150251027A1 (en) * 2014-03-04 2015-09-10 Yoo Sun Ro Automatic closing louver device for fire protection
CN204858319U (en) * 2015-08-03 2015-12-09 国网江西省电力公司南昌供电分公司 Electric power cabinet with automatic fire extinguishing function
CN205452853U (en) * 2016-04-12 2016-08-10 马亚威 Electric power cabinet with automatic fire extinguishing function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201947382U (en) * 2011-01-28 2011-08-24 陶氏模具集团有限公司 Double folding type liquid crystal display television
CN203167116U (en) * 2012-12-12 2013-08-28 东莞市群佳实业有限公司 Fireproof and shockproof television shell
CN103893937A (en) * 2012-12-25 2014-07-02 皆盈绿动能科技股份有限公司 Temperature control fire extinguishing device
US20150251027A1 (en) * 2014-03-04 2015-09-10 Yoo Sun Ro Automatic closing louver device for fire protection
CN204858319U (en) * 2015-08-03 2015-12-09 国网江西省电力公司南昌供电分公司 Electric power cabinet with automatic fire extinguishing function
CN205452853U (en) * 2016-04-12 2016-08-10 马亚威 Electric power cabinet with automatic fire extinguishing function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109257502A (en) * 2018-10-08 2019-01-22 深圳小淼科技有限公司 A kind of Single panel LCD intelligence projection TV liquid crystal display guard and shell
CN110599920A (en) * 2019-09-19 2019-12-20 南京习成机电科技有限公司 Liquid crystal display prevents falling protection device
CN111264262A (en) * 2020-03-17 2020-06-12 金珊珊 Orchard protection device capable of automatically smoking and preventing frost at night
CN111264262B (en) * 2020-03-17 2023-08-25 南京格美达科技有限公司 Orchard protection device capable of automatically conducting smoking and frost prevention at night

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