CN2687706Y - Radiating structure for limited respiration type explosive-proof liquid crystal display device - Google Patents
Radiating structure for limited respiration type explosive-proof liquid crystal display device Download PDFInfo
- Publication number
- CN2687706Y CN2687706Y CN 200420020787 CN200420020787U CN2687706Y CN 2687706 Y CN2687706 Y CN 2687706Y CN 200420020787 CN200420020787 CN 200420020787 CN 200420020787 U CN200420020787 U CN 200420020787U CN 2687706 Y CN2687706 Y CN 2687706Y
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- CN
- China
- Prior art keywords
- chamber door
- casing
- lcds
- wind scooper
- air
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
Abstract
The utility model relates to a radiating structure for a limited respiration type explosive-proof liquid crystal display device, comprising a box body, a pair of brackets connected into the box body, a liquid crystal display screen arranged on the brackets, a radiator arranged on the back face of the box body and a wire threading joint arranged on the bottom of the box body. The radiating structure is characterized in that the front face of the box body is provided with a box door, the back wall of the box body is provided with a blower, an air guiding cover is provided between the bottom of the liquid crystal display screen and the bottom of the box body, an air inlet and an air outlet are arranged on the air guiding cover, the blower is arranged on the wall of the box body of the upper part of the air guiding cover, the air outlet of which is connected with the air inlet of the air guiding cover in a sealing way, and a gap between the front face of the liquid crystal display screen and the box door, a gap between the top face of the liquid crystal display screen and the top face of the box body, a gap between the back face of the liquid crystal display screen and the box body, the air inlet of the blower and the air outlet of the air guiding cover form an annular air duct. When air outputted by the blower is radiated through the air duct, the radiating structure effectively reduces the temperature of the liquid crystal display screen so as to ensure the normal operation of the liquid crystal display screen.
Description
Technical field
The utility model relates to a kind of radiator structure of LCD, relates in particular to the radiator structure of the explosion-proof LCD of a kind of restriction breathing.
Background technology
See also Fig. 1, shown in Figure 2, they are structural representations of the explosion-proof LCD of prior art, and the explosion-proof LCD of prior art is made up of casing A1, press box A2, glass pane A3, LCDs A4, packing washer A5, support A6, Wire joint A7, bonnet O-ring seal A8, back shroud A9, heating radiator A10.In the front of casing A1, be provided with one with the corresponding window of LCDs, glass pane A3 is located in the window of casing A1, packing washer A5 is folded between the periphery of the front of glass pane A3 and reverse side, press box A2 is fitted in the back side of glass pane A3, and by screw press box A2 and casing A1 are fastened together, and glass pane A3 is fastened between casing A1 and the press box A2; Back shroud A9 inner peripheral wall is provided with bonnet O-ring seal A8, adopt screw back shroud A9 to be fastened on the back side of casing A1, LCDs A4 is arranged on the interior support A6 of casing A1, adopt screw that support A6 is fastened on the back shroud A9, heating radiator A10 is fastened on the outside surface of back shroud A9 with screw, the lead that is connected on the LCDs A4 is connected with power supply by Wire joint A7 outlet box is outer, forms an explosion-proof LCD thus.
Because explosion-proof LCD is an airtight construction, the heat of liquid crystal screen of generating, the part heat is transmitted to outside the case by radiation and support, make it in service in long energising, heat slowly gathers in the case, temperature raises gradually, LCDs and case external environment form a bigger thermograde, when environment temperature than higher or when being in relatively poor condition of work, the temperature of LCDs can be elevated to and exceed the upper limit that LCDs allows working temperature, this moment, LCDs burnt hair can occur to blackout, so that can not normally show each parameter, can produce irreversible damage when serious, thereby limit the use of LCDs under particular job condition.
Summary of the invention
The purpose of this utility model is to provide the radiator structure of the explosion-proof LCD of a kind of improved restriction breathing, it can form the circulating ventilation heat radiation before and after LCDs, thereby can effectively reduce the temperature of LCDs, guarantee the LCDs operate as normal, avoid the problem of explosion-proof LCDs LCDs burnt hair blackout the time than high ambient temperature.
The purpose of this utility model is achieved in that
The radiator structure of the explosion-proof LCD of a kind of restriction breathing comprises: casing, be located at both sides in the casing pair of brackets, be placed in LCDs on the support, be arranged on box back surface heating radiator, be arranged on the Wire joint of bottom half; Be characterized in:
Described casing front is provided with a chamber door;
Be provided with a wind scooper between described LCDs bottom and the bottom half, the end face of this wind scooper is provided with air inlet and air outlet;
On the rear wall of described casing blower fan is set, this blower fan is positioned at the top of wind scooper, and the air outlet of blower fan and the air inlet of wind scooper are tightly connected;
Be provided with between the front of described LCDs and the chamber door between the back side that is provided with gap, LCDs between gap, LCDs end face and the box top and the box body wall and be provided with the gap, the air inlet of above-mentioned gap and blower fan and the air outlet of wind scooper form an annular passage.
In the radiator structure of the above-mentioned explosion-proof LCD of restriction breathing, wherein, described wind scooper comprises, cover body, rear side at cover body is provided with at least one air inlet, is provided with an air outlet in the front side of cover body, and the wind scooper air outlet is facing to the position, gap between chamber door inwall and the LCDs.
In the radiator structure of the above-mentioned explosion-proof LCD of restriction breathing, wherein, the rear side of described wind scooper cover body is interval with two air inlets.
In the radiator structure of the above-mentioned explosion-proof LCD of restriction breathing, wherein, described blower fan is set to two, and two blower fans are fastened on rear wall bottom in the casing by screw, and the air outlet of two blower fans is separately positioned in the two corresponding air inlets of wind scooper and is tightly connected.
In the radiator structure of the above-mentioned explosion-proof LCD of restriction breathing, wherein, described chamber door comprises chamber door frame, glass pane, press box, several sealed packing ring, chamber door O-ring seal; Be provided with in the described chamber door frame one with the corresponding window of LCDs, glass pane is located in the window of chamber door frame, press box is fitted in the back side of glass pane, the several sealed packing ring is located at the front and the reverse side periphery of glass pane respectively, with screw press box and chamber door frame are fastenedly connected, and glass pane is fastened between chamber door frame and the press box; The chamber door O-ring seal is arranged in the interior peripheral angles of chamber door frame.
In the radiator structure of the above-mentioned explosion-proof LCD of restriction breathing, wherein, a pair of hinge that has between described casing and chamber door one side is casing and chamber door and is rotatably connected; Be provided with snap close between described casing and the chamber door opposite side.
The radiator structure of the explosion-proof LCD of the utility model restriction breathing makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
1, the utility model is owing to be provided with blower fan and wind scooper in casing, and the following peripheral forms a large-area vent passages on LCDs, make the wind of blower fan output send into wind scooper, enter the gap of LCDs and glass pane from the wind scooper air outlet again, upwards blow over the liquid crystal display screen surfaces, the heat of LCDs glass is taken away, casing and the heating radiator of this hot blast by the air channel and the LCDs back side carries out cold and hot exchange and dispels the heat, wind behind radiating and cooling is sucked by blower fan again, import wind scooper again from the wind that the air outlet of blower fan is exported, around the LCDs heat radiation that circulates downwards from top, thereby effectively reduced the temperature of LCDs, guaranteed that LCDs at high temperature also can operate as normal.
2, the utility model is convenient to maintenance owing to be provided with openable chamber door in the front of casing.
Description of drawings
Embodiment by following radiator structure to the explosion-proof LCD of the utility model restriction breathing can further understand the purpose of this utility model, specific structural features and advantage in conjunction with the description of its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the main TV structure synoptic diagram of the explosion-proof LCD of prior art.
Fig. 2 is that structural representation is cutd open on the left side of the explosion-proof LCD of prior art.
Fig. 3 is the main TV structure synoptic diagram of the radiator structure of the explosion-proof LCD of the utility model restriction breathing.
Fig. 4 is that structural representation is cutd open on the left side of the radiator structure of the explosion-proof LCD of the utility model restriction breathing.
Fig. 5 is the structural representation of wind scooper in the radiator structure of the explosion-proof LCD of the utility model restriction breathing.
Embodiment
See also Fig. 3, shown in Figure 4, they are structural representations of the present utility model.The radiator structure of the explosion-proof LCD of the utility model restriction breathing comprises, casing 1, pair of brackets 2, LCDs 3, heating radiator 4, Wire joint 5, chamber door 6, wind scooper 7, blower fan 8, hinge 9, snap close 10.Pair of brackets 2 is located at both sides in the casing 1, and LCDs 3 is placed on the support 2, and heating radiator 4 is arranged on the outside surface at casing 1 back side, and Wire joint 5 is arranged on casing 1 bottom.
Casing 1 front is provided with a chamber door 6, and this chamber door 6 comprises chamber door frame 61, glass pane 62, press box 63, several sealed packing ring 64, chamber door O-ring seal 65.Be provided with in the chamber door frame 61 one with the corresponding window of LCDs, glass pane 62 is located in the window of chamber door frame 61, packing washer 64 is folded between the front and chamber door frame 61 inner peripheral wall of glass pane 62, press box 63 is fitted in the back side of glass pane 62, packing washer 64 is folded between the back side and press box 63 peripheries of glass pane 62, by screw press box 63 and chamber door frame 61 are fastenedly connected, and glass pane 62 is fastened between chamber door frame 61 and the press box 63, chamber door O-ring seal 65 is arranged in the peripheral angles in the chamber door frame 61.The a pair of hinge 9 that has between casing 1 and chamber door 6 one sides is casing 1 and chamber door 6 and is rotatably connected, and is provided with snap close 10 between casing 1 and chamber door 6 opposite sides, and the front of casing 1 is provided with openable chamber door 6, is convenient to maintenance.
Be provided with a wind scooper 7 between LCDs 3 bottoms and casing 1 bottom, the end face of this wind scooper 7 is provided with air inlet 71 and air outlet 72; The rear wall of casing 1 is provided with blower fan 8, this blower fan 8 is positioned at the top of wind scooper 7, the air outlet 82 of blower fan 8 is tightly connected with the air inlet 71 of wind scooper 7, is connected lead on the blower fan 8 and draws with power supply by Wire joint 5 with the lead on being connected LCDs 3 and be connected.Be provided with between the front of LCDs 3 and chamber door 6 inwalls between the back side that is provided with gap, LCDs 3 between gap 31, LCDs 3 end faces and casing 1 end face and casing 1 wall and be provided with the gap, the air inlet 81 of above-mentioned gap and blower fan 8 and the air outlet of wind scooper 7 72 form the air channel of an annular.
Please described referring to Fig. 5 in conjunction with Fig. 3 and Fig. 4, in the present embodiment, rear side 701 at wind scooper 7 cover bodies 70 is interval with two air inlets 71, is provided with an air outlet 72 in the front side 702 of cover body 70, and wind scooper 7 air outlets 72 are facing to 31 positions, gap between chamber door 6 inwalls and the LCDs 3; Corresponding with 7 liang of air inlets of above-mentioned wind scooper 71 is 8, two blower fans 8 of two blower fans to be set be fastened on rear wall bottom in the casing 1 by screw, and the air outlet 82 of two blower fans 8 is separately positioned in two corresponding air inlets 71 of wind scooper 7.
By the foregoing description as can be known, in the LCD of giant-screen, because the temperature of LCDs can be higher, therefore can be according to the actual requirements also can be interval with a plurality of air inlets and a plurality of blower fan at the rear side of wind scooper, the air outlet of each blower fan is arranged in each air inlet of corresponding wind scooper.Can improve air quantity greatly like this and dispel the heat, thereby can effectively reduce the temperature of big screen LCD, make the big screen LCD also can operate as normal under worst hot case.
Please cooperate referring to shown in Figure 4, principle of work of the present utility model is, when LCD is worked, owing in casing 1, be provided with blower fan 8 and wind scooper 7, and form a large-area vent passages up and down in the front and back of LCDs 3, make the wind of blower fan 8 outputs wind is blown in the gap of LCDs 3 and glass pane 62 by wind scooper 7 air outlets 72, upwards blow over LCDs 3 surfaces, the heat of LCDs 3 glass is taken away, this hot blast carries out cold and hot exchange with the casing 1 at LCDs 3 back sides and heating radiator 4 again by the air channel and dispels the heat, wind behind radiating and cooling is sucked by blower fan 8 air inlets 81 again, air outlet 82 outputs from blower fan 8, enter wind scooper 7 again, circulate downwards from top around LCDs 3, constantly the heat of LCDs 3 glass is taken away, thereby effectively reduced the temperature of LCDs 3, guarantee that LCDs 3 at high temperature also can operate as normal.
In sum, the utility model is owing to be provided with the radiator structure that is made of blower fan and wind scooper and large tracts of land air channel in LCD, and be located at the outer heating radiator of casing, both match and dispel the heat, effectively reduce the temperature of LCDs, guarantee that LCDs at high temperature also can operate as normal; Through experiment test, under identical environment temperature, the utility model compared with prior art, the LCDs temperature is descended several times, thereby guarantee the operate as normal of LCDs, prevent liquid crystal screen Yin Gaowen and the burnt hair blackout, even the phenomenon of explosion takes place.
Claims (6)
1, the radiator structure of the explosion-proof LCD of a kind of restriction breathing comprises: casing (1), be located at the interior both sides of casing (1) pair of brackets (2), be placed in LCDs (3) on the support (2), be arranged on casing (1) back side heating radiator (4), be arranged on the Wire joint (5) of casing (1) bottom; It is characterized in that:
Described casing (1) front is provided with a chamber door (6);
Be provided with a wind scooper (7) between described LCDs (3) bottom and casing (1) bottom, the end face of this wind scooper (7) is provided with air inlet (71) and air outlet (72);
Blower fan (8) is set on the rear wall of described casing (1), and this blower fan (8) is positioned at the top of wind scooper (7), and the air outlet (82) of blower fan (8) is tightly connected with the air inlet (71) of wind scooper (7);
Be provided with between the front of described LCDs (3) and the chamber door (6) between the back side that is provided with gap, LCDs (3) between gap (31), LCDs (3) end face and casing (1) end face and casing (1) wall and be provided with the gap, the air inlet (81) of above-mentioned gap and blower fan (8) and the air outlet (72) of wind scooper (7) form an annular passage.
2, the radiator structure of the explosion-proof LCD of restriction breathing according to claim 1, it is characterized in that: described wind scooper (7) comprises, cover body (70), rear side (701) in cover body (70) is provided with at least one air inlet (71), front side (702) in cover body (70) is provided with an air outlet (72), and wind scooper (7) air outlet (72) is facing to the position, gap (31) between chamber door (6) inwall and the LCDs (3).
3, the radiator structure of the explosion-proof LCD of restriction breathing according to claim 1 and 2 is characterized in that: the rear side (701) of described wind scooper (7) cover body (70) is interval with two air inlets (71).
4, the radiator structure of the explosion-proof LCD of restriction breathing according to claim 1, it is characterized in that: described blower fan (8) is set to two, two blower fans (8) are fastened on the interior rear wall of casing (1) bottom by screw, and the air outlet (82) of two blower fans (8) is separately positioned in the two corresponding air inlets (71) of wind scooper (7) and is tightly connected.
5, the radiator structure of the explosion-proof LCD of restriction breathing according to claim 1 is characterized in that: described chamber door (6) comprises chamber door frame (61), glass pane (62), press box (63), several sealed packing ring (64), chamber door O-ring seal (65); Be provided with in the described chamber door frame (61) one with the corresponding window of LCDs (3), glass pane (62) is located in the window of chamber door frame (61), press box (63) is fitted in the back side of glass pane (62), several sealed packing ring (64) is located at the front and the reverse side periphery of glass pane (62) respectively, with screw (66) press box (63) and chamber door frame (61) are fastenedly connected, and glass pane (62) is fastened between chamber door frame (61) and the press box (63); Chamber door O-ring seal (65) is arranged in the interior peripheral angles of chamber door frame (61).
6, the radiator structure of the explosion-proof LCD of restriction breathing according to claim 1 is characterized in that: a pair of hinge (9) that has between described casing (1) and chamber door (6) one sides is casing (1) and chamber door (6) and is rotatably connected; Be provided with snap close (10) between described casing (1) and chamber door (6) opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020787 CN2687706Y (en) | 2004-03-15 | 2004-03-15 | Radiating structure for limited respiration type explosive-proof liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020787 CN2687706Y (en) | 2004-03-15 | 2004-03-15 | Radiating structure for limited respiration type explosive-proof liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687706Y true CN2687706Y (en) | 2005-03-23 |
Family
ID=34669390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420020787 Expired - Fee Related CN2687706Y (en) | 2004-03-15 | 2004-03-15 | Radiating structure for limited respiration type explosive-proof liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687706Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009143764A1 (en) * | 2008-05-27 | 2009-12-03 | Shenzhen New Super-Bright Lcd Display Co., Ltd. | Lcd apparatus with heat dissipation arrangements |
| CN101794034A (en) * | 2009-01-23 | 2010-08-04 | 欧睿控股股份有限公司 | Heat dissipation structure of liquid crystal display |
| CN101738766B (en) * | 2008-11-24 | 2011-08-10 | 深圳市新超亮特种显示设备有限公司 | Liquid crystal display panel with two-body circulating heat conduction and dissipation device |
| CN109407377A (en) * | 2018-10-26 | 2019-03-01 | 蚌埠国显科技有限公司 | It is a kind of with the liquid crystal display for avoiding image retention function |
-
2004
- 2004-03-15 CN CN 200420020787 patent/CN2687706Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009143764A1 (en) * | 2008-05-27 | 2009-12-03 | Shenzhen New Super-Bright Lcd Display Co., Ltd. | Lcd apparatus with heat dissipation arrangements |
| US8471997B2 (en) | 2008-05-27 | 2013-06-25 | Shenzhen New Super-Bright Lcd Display Co., Ltd. | LCD apparatus with heat dissipation arrangements |
| CN102112906B (en) * | 2008-05-27 | 2014-01-22 | 深圳市新超亮特种显示设备有限公司 | LCD apparatus with heat dissipation arrangements |
| CN101738766B (en) * | 2008-11-24 | 2011-08-10 | 深圳市新超亮特种显示设备有限公司 | Liquid crystal display panel with two-body circulating heat conduction and dissipation device |
| CN101794034A (en) * | 2009-01-23 | 2010-08-04 | 欧睿控股股份有限公司 | Heat dissipation structure of liquid crystal display |
| CN109407377A (en) * | 2018-10-26 | 2019-03-01 | 蚌埠国显科技有限公司 | It is a kind of with the liquid crystal display for avoiding image retention function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GOD OPENED THE SHANGHAI PETROCHEMICAL EQUIPMENT GR Free format text: FORMER NAME OR ADDRESS: SHENKAI SICENCE AND TECHNOLOGY ENGINEERING CO., LTD., SHANGHAI Owner name: SHANGHAI SK PETROLEUM & CHEMICAL EQUIPMENT CORPORA Free format text: FORMER NAME OR ADDRESS: GOD OPENED THE SHANGHAI PETROCHEMICAL EQUIPMENT GROUP CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No. 3155 Chen Chen Road, Shanghai, Minhang District: 201114 Patentee after: Shanghai Shenkai Petrochemical Equipment Co.,Ltd. Address before: No. 3155 Chen Chen Road, Shanghai, Minhang District: 201114 Patentee before: Shanghai SK Petroleum & Chemical Equipment Corp.,Ltd. Address after: No. 3155 Chen Chen Road, Shanghai, Minhang District: 201114 Patentee after: Shanghai SK Petroleum & Chemical Equipment Corp.,Ltd. Address before: No. 3155 Chen Chen Road, Shanghai, Minhang District: 201114 Patentee before: Shanghai Shenkai Science & Technology Engineering Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI SK PETROLEUM + CHEMICAL EQUIPMENT CORPORA Free format text: NEW ADDRESS: NO. 1769, PUXINGGONG ROAD, MINXING DISTRICT, SHANGHAI CITY, ZIP CODE:201114 |
|
| CP02 | Change in the address of a patent holder |
Address after: No. 1769, Pu Xing highway, Shanghai, Minhang District: 201114 Patentee after: Shanghai Shenkai Petrochemical Equipment Co.,Ltd. Address before: No. 3155 Chen Chen Road, Shanghai, Minhang District: 201114 Patentee before: Shanghai Shenkai Petrochemical Equipment Co.,Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050323 Termination date: 20110315 |