CN201114453Y - Outdoor flat plate TV - Google Patents
Outdoor flat plate TV Download PDFInfo
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- CN201114453Y CN201114453Y CNU2007200084178U CN200720008417U CN201114453Y CN 201114453 Y CN201114453 Y CN 201114453Y CN U2007200084178 U CNU2007200084178 U CN U2007200084178U CN 200720008417 U CN200720008417 U CN 200720008417U CN 201114453 Y CN201114453 Y CN 201114453Y
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Abstract
The utility model provides a novel outdoor panel TV set, relates to a television receiver, which has the functions of dust prevention, mosquito repelling and rain protection. The outdoor panel TV set is provided with a piece of glass plate that seals up the display window at the front panel of the TV shell; a panel display screen and a circuit wafer are arranged in the TV shell; in the TV shell, the rear of the panel display screen and the circuit wafer are provided with a heat exchanger respectively which seals up the TV shell to form an independent space. By adopting the heat exchanger, the heat emitted by the flat display screen and circuit wafer in the TV shell can be exported outwards; meanwhile, dust, rain and mosquitoes can be kept out from the space of the TV shell, thus avoiding the damage to the panel display screen and the circuit wafer.
Description
Technical field
The utility model relates to a kind of television receiver.
Background technology
Existing panel TV set adopts LCDs or plasma panel more, has display window on the front panel of casing, and a glass plate seals this display window; The glass plate of casing inner close fitting display window is provided with panel display screen, protects panel display screen with glass plate.The rear or the both sides of panel display screen are provided with circuit board in the casing; Have louvre on the back shroud of casing, allow air outside to enter in the casing, the heat that internal circuit board and flat screen are distributed when the work is outwards derived by louvre.When but these panel TV sets used out of doors, dust and rainwater even mosquito can enter in the casing from louvre, make the panel TV set cisco unity malfunction.The sunlight heat of coming in by the glass plate radiation, ultraviolet ray also can be shortened the useful life of panel display screen significantly in addition.Out of doors, glass plate also can produce reflective with the variation of ambient light, influences view reception effect.Therefore existing panel TV set incompatibility is used out of doors.
The utility model content
The utility model aims to provide and a kind ofly can prevent dust, mosquito proof, rainproof, sun-proof outdoor panel TV set.
The technical solution of the utility model is: outdoor panel TV set, the display window of a glass plate sealing casing front panel; Panel display screen and circuit board are set in the casing; The rear of panel display screen and circuit board is provided with heat exchanger is installed in the casing, and this heat exchanger becomes an independently space with the casing inner sealing.The utility model utilizes heat exchanger that panel display screen and circuit board are enclosed in the casing volume inside, adopts heat exchanger that the heat that casing inner space middle plateform display screen and circuit board distribute is outwards derived.Dust, rainwater, mosquito all can not enter the casing volume inside, jeopardize panel display screen and circuit board.
In the enforcement structure of optimizing: between the rear of panel display screen and heat exchanger, a dividing plate in the front surface mounting circuit boards is set in the space in the described casing; Two relative ends that are positioned at the inboard heat-exchange surface of heat exchanger on this dividing plate have air inlet and gas outlet, and this dividing plate rear surface constitutes heat exchange air duct from the air inlet to the gas outlet and between the inboard heat-exchange surface of heat exchanger; This dividing plate front surface constitutes interior circulation air path from the gas outlet to the air inlet and between the rear surface of panel display screen; The interior circulating fan to this heat exchange air duct air-supply is installed at the air inlet rear of this dividing plate.With the dividing plate with air inlet and gas outlet the separated by spaces in the casing is become two independent parts, the part of dividing plate front is interior circulation air path, and the part of dividing plate back is a heat exchange air duct; Use an interior circulating fan to extract the hot-air that has carried the heat that panel display screen and circuit board distribute from interior circulation air path, pressure is delivered in the heat exchange air duct with inboard heat-exchange surface to heat exchanger and is contacted, and the inboard heat-exchange surface of heat exchanger is absorbed above-mentioned heat and is delivered to outside heat-exchange surface distribute to air outside; Cold air after temperature reduces in the space in the casing gets back to panel display screen from the gas outlet and the circuit board below adds to the interior circulation air path.So the air in the space before and after the casing internal partition forms and circulates, and is absorbed heat wherein and be delivered to outside heat-exchange surface by the inboard heat-exchange surface of heat exchanger to distribute to air outside.Can increase the heat exchange efficiency of heat exchanger significantly, reduce the temperature in the casing effectively.
In the embodiment that recommends: leave the gap between panel display screen in the described casing and glass plate; Air inlet to dividing plate constitutes circulation air path in second through this gap from the gas outlet of dividing plate.Heat quilt air in the circulation air path in second that distribute heat that external radiation is come in and panel display screen front portion takes the air inlet of dividing plate to, and the heat that distribute heat that distribute at the panel display screen rear portion and circuit board front portion is taken to the air inlet of dividing plate by the air in the interior circulation air path; Hot-air is delivered in the heat exchange air duct by interior circulating fan through air inlet, and hot-air absorbs wherein heat by the inboard heat-exchange surface of heat exchanger in the process of flowing in heat exchange air duct.Cold air after temperature reduces is got back to the interior circulation air path and the second interior circulation air path from the gas outlet of dividing plate.So the air in the casing inner space forms and circulates, and is absorbed heat wherein and be delivered to outside heat-exchange surface by the inboard heat-exchange surface of heat exchanger to distribute to air outside.This structure can be eliminated the negative effect of external radiation heat to panel display screen on the one hand, temperature that on the other hand can more effective reduction panel display screen.
Particularly: the back shroud of casing is arranged on the rear of heat exchanger outside heat-exchange surface, two relative ends that are positioned at heat exchanger outside heat-exchange surface on the back shroud have second air inlet and second gas outlet, and this back shroud front surface constitutes the outer circulation heat exchange air duct from second air inlet to second gas outlet and the heat-exchange surface of the heat exchanger outside; The outer circulation fan to this outer circulation heat exchange air duct air-supply is installed in second air inlet the place ahead of this back shroud.Form an outer circulation heat exchange air duct between the outside heat-exchange surface of heat exchanger and the rear chassis plate, the cold air of outside atmosphere is sent into by the outer circulation fan through second air inlet and is absorbed the heat that heat exchanger outside heat-exchange surface distributes in the outer circulation heat exchange air duct in the process of flowing, becomes hot-air and is discharged into the atmosphere from second exhaust outlet.Cooperate with the outer circulation fan with the outer circulation heat exchange air duct, make the outside heat-exchange surface of heat exchanger can be fully with the outer circulation heat exchange air duct in the air flowing heat-shift, can further improve the effect of heat exchange.
In the embodiment that recommends: in the space in the described casing temperature sensor is installed, this temperature sensor and interior circulating fan and outer circulation fan are connected with the corresponding port of temperature-control circuit on the circuit board respectively.The information of temperature in the casing that provides by the automatic monitor temperature transducer of temperature-control circuit on the circuit board, and the running of interior circulating fan of control and outer circulation fan, guarantee that the temperature in the casing remains in the normal scope, waste electric energy thereby avoid above-mentioned two fans to turn round meaninglessly over a long time.
Particularly: in the space in the described casing heater is installed, the corresponding port of temperature-control circuit is connected on this heater and the circuit board.Temperature in casing is crossed when hanging down, and temperature-control circuit starts heater automatically on the circuit board, guarantees that the temperature in the casing remains in the normal scope, and the harsh climate condition also can operate as normal out of doors thereby make panel display screen and circuit board.
In the embodiment that recommends: described glass plate front surface posts antireflection, heat insulation, rupture pressure disc.Can absorb heat, ultraviolet ray that solar radiation is come in effectively, prevent reverberation and increase fail safe.
Be coated with anti-reflection film between described glass plate front surface and antireflection, heat insulation, the rupture pressure disc.The effect of anti-reflection film is to reduce the reflection that glass plate is outwards launched light to panel display screen, improves the brightness and the definition of display image.
The dividing plate that the outdoor panel TV set utilization of the utility model is equipped with heat exchanger is enclosed in panel display screen and circuit board in the inner space of casing, the heat that produces when adopting heat exchanger will make panel display screen and circuit board work outwards derives, and fundamentally stopped the harm to panel display screen and circuit board of dust, mosquito, rainwater.Adopt dividing plate to cooperate with interior circulating fan the interior air circulation of casing is flowed, the inboard heat-exchange surface of heat exchanger transmits heat; Adopt bonnet to cooperate the outer circulation fan with outer circulation heat exchange air duct between the heat-exchange surface of the heat exchanger outside, the heat exchange efficiency of increase heat exchanger can effectively reduce the interior temperature of casing.Heater and temperature sensor are installed in the space in the casing, and they and two fans cooperate with temperature-control circuit on the circuit board, and making can both operate as normal under abominable out of doors high temperature of panel display screen and circuit board or the microthermal climate condition.The glass plate front surface posts antireflection, heat insulation, rupture pressure disc, makes this television set have the function of sun-proof and antireflection and increases fail safe.The glass plate front surface is coated with anti-reflection film, has improved the brightness and the definition of display image.So this television set not only can use safely, reliably out of doors for a long time but also viewing effect is good.
Description of drawings
Fig. 1 is the longitudinal profile structural representation of an embodiment of the outdoor panel TV set of the utility model.
Fig. 2 is the frame structure schematic diagram of temperature-control circuit on Fig. 1 embodiment circuit board.
Fig. 3 is the frame structure schematic diagram of main circuit on Fig. 1 embodiment circuit board.
Fig. 4 is the horizontal section structural representation of outdoor another embodiment of panel TV set of the utility model.
Embodiment
Embodiment one
Preferred embodiment of the outdoor panel TV set of the utility model is provided with two interior circulation air paths that are arranged above and below and two fans that are arranged above and below, the longitudinal profile structure of this open air panel TV set, as shown in Figure 1.The panel display screen 3 of this open air panel TV set adopts brightness to reach the high brightness LCDs of 700nit, and the occasion higher in brightness requirement also can adopt the more plasma panel of high brightness.The front panel 11 of the casing 1 of this open air panel TV set has a display window 111.An armorplate glass 2 is installed on the display window 111, and with display window 111 sealings.Glass plate 2 front surfaces are coated with anti-reflection film, and the front surface of anti-reflection film posts transparent antireflection, heat insulation, rupture pressure disc.Antireflection, heat insulation, rupture pressure disc can absorb in the solar irradiation 70% heat and 90% ultraviolet ray.
Near glass plate 2 panel display screen 3 is set in the casing 1, the rear of panel display screen 3 is provided with a dividing plate 4 in the front surface mounting circuit boards, and the dead astern of dividing plate 4 is equipped with heat exchanger 5.Heat exchanger 5 becomes an independently space with casing 1 inner sealing.Heat exchanger 5 is enclosed in panel display screen 3 and the dividing plate 4 that circuit board has been installed in casing 1 volume inside, and dust, rainwater, mosquito all can not enter casing 1 volume inside, jeopardize panel display screen 3 and circuit board.
In casing 1 volume inside, 3 of glass plate 2 and panel display screens leave the gap 12 of 15mm, leave the gap 13 greater than 15mm between the backlight 31 at panel display screen 3 rear portions and the circuit board on the dividing plate 4.14, one fans 6 of protuberance are installed in this back protuberance 14 after the top of casing 1 inner space has one, and this fan 6 is positioned on the heater 53 of top, heat exchanger 5 tops.Be to have 82, one fans 7 in space of a lordosis to be installed in the space 82 of this lordosis between the rear end face of casing 1 inner space and the back shroud 8 below heat exchanger 5 bottoms.
Have gas outlet 41 at the lower end place that is positioned at heat exchanger 5 inboard heat-exchange surfaces 51 on the dividing plate 4, face back protuberance 14 fans 6 at the upper end place that is arranged in heat exchanger 5 inboard heat-exchange surfaces 51 on the dividing plate 4 and have air inlet 42.Dividing plate 4 rear surfaces from air inlet 42 to the gas outlet 41 and heat exchanger 5 inboard heat-exchange surfaces 51 leave the gap of 10mm, circulation heat exchange air duct 43 in this gap constitutes.Dividing plate 4 front surfaces from gas outlet 41 to air inlet 42 and the rear surface of panel display screen 3 rear portion backlight 31 gap 13 constitute in circulation air path.Import and export 42 from the gap 12 of gas outlet 41 between panel display screen 3 and glass plate 2 of dividing plate 4 to dividing plate 4 constitute circulation air path in second.Air in circulation air path heat exchange air duct 43 air-supplies that inwardly circulate in the circulation air path and second in fan 6 extracts as interior circulating fan.Air inlet 42 on the dividing plate 4 and 41 places, gas outlet respectively are equipped with a temperature sensor 9.
The back shroud 8 of casing 1 is arranged on the rear of heat exchanger 5 outside heat-exchange surfaces 52, at the lower end place that is positioned at heat exchanger 5 outside heat-exchange surfaces 52, faces that fan 7 has second air inlet 83 in the space 82 of lordosis on the back shroud 8; Have second gas outlet 84 at the upper end place that is positioned at heat exchanger 5 outside heat-exchange surfaces 52 on the back shroud 8.8 of the outside heat-exchange surface 52 of heat exchanger 4 and back shrouds leave the gap 85 of 20mm, and the upper end in gap 85 is facing to heat exchanger 5 outside heat-exchange surfaces, 52 top edges and be communicated with second gas outlet 84; The lower end in gap 85 is the convex space 82 and second air inlet 83 facing to heat exchanger 5 outside heat-exchange surfaces 52 lower limbs and before being communicated with.Gap 85 constitutes the outer circulation heat exchange air duct.Fan 7 is blown to this outer circulation heat exchange air duct as the outer circulation fan.
In the process of present embodiment work, the heat that distributes heat that external radiation is come in and panel display screen 3 front portions by between panel display screen 3 and glass plate 2 in second the air in the circulation air path take the air inlet 41 of dividing plate 4 to, the heat that each element distributes on heat that panel display screen 3 rear portion backlight 31 are distributed and the circuit board is taken to the air inlet 41 of dividing plate 4 by the air in the interior circulation air path between panel display screen 3 rear portion backlight 31 and the dividing plate 4; Hot-air is through the air inlet 41 of dividing plate 4 is forced to deliver to interior circulation heat exchange air duct between heat exchanger 5 inboard heat-exchange surfaces 51 and the dividing plate 4 by fan 6 in.In the process that above-mentioned hot-air flows downward in interior circulation heat exchange air duct, by the inboard heat-exchange surface 51 absorptions heat wherein of heat exchanger 5.Cold air after temperature reduces is got back to panel display screen 3 and circuit board below and is added between panel display screen 3 and the glass plate 2 the second interior circulation air path from the gas outlet 42 of dividing plate 4, and in the interior circulation air path between panel display screen 3 and the dividing plate 4; Air in casing 1 inner space forms and circulates, by heat exchanger 5 inboard heat-exchange surfaces 51 absorptions heat wherein.The outside heat-exchange surface 52 of heat exchanger 5 and the gap between the back shroud 8 85 constitute the outer circulation heat exchange air duct, and the cold air of outside atmosphere is forced to send in the outer circulation heat exchange air duct by fan 7 through second air inlet 83 and upwards flowed.Cold air circulates outside and upwards absorbs the heat that heat exchanger 5 outside heat-exchange surfaces 52 distribute in the process of flowing in the heat exchange air duct, becomes hot-air and is discharged into the atmosphere from second gas outlet 84.
The frame structure of temperature-control circuit on the present embodiment circuit board is please referring to Fig. 2.The core of this temperature-control circuit is the controller 100 of an employing microprocessor MCU chip ATMEGA8, and 24V DC power supply circuit 101 is powered to controller 100 through voltage conversion circuit 102.24V DC power supply circuit 101 inside circulating fan drive circuits 106 and 107 power supplies of outer circulation fan drive circuit.The be connected control input end mouth of relay 103 of one group of control output end mouth of controller 100.Relay 103 contacts are connected with 220V AC power 104 ports with heater 53 respectively.One group of output port connecting interface circuit 105 of controller 100.Two temperature sensors 9 are connected with the control input end mouth of controller 100 respectively.The control port of circulating fan drive circuit 106 in set of pulses width modulated (PWM) output port of controller 100 connects, another group pulse width modulated (PWM) output port of controller 100 connects the control port of outer circulation fan drive circuit 107.The output port of interior circulating fan drive circuit 106 connects fan 6.The control output end of outer circulation fan drive circuit 107 fan 7 that is connected.
Temperature monitoring value in casing 1 inner space that controller 100 collecting temperature transducers 9 provide, and control the operation of whole temperature control system according to this temperature value.Fan 6 and fan 7 adopt the centrifugal fan of direct current supply, and controller 100 is controlled the rotating speed of fan 6 and fan 7 by the PWM waveform duty cycle of adjusting output.The working range of panel display screen 3 is 0 ℃ to 50 ℃, and is on the low side and when being more or less the same, controller 100 reduces the rotating speed of fans 6 and fan 7 when the temperature monitoring value of 9 outputs of two temperature sensors in casing 1 inner space, thus the reduction noise.When the temperature in casing 1 inner space was lower than 20 ℃, controller 100 control fans 6 rotated and forbid that fan 7 rotates, and only allows the air in casing 1 inner space to circulate.When the temperature in casing 1 inner space was lower than 0 ℃, controller 100 sent control signal to relay 103 and sends early warning signal by interface circuit 105 to main circuit simultaneously, forbade panel display screen 3 work.Relay 103 is connected heater 53 and 220V AC power 104, start heater 53, after heater 53 was heated to 5 ℃ with the temperature in casing 1 inner space, controller 100 just sent the normality signal by interface circuit 105 to main circuit, allowed panel display screen 3 energy start work.When the temperature in casing 1 inner space was higher than 50 ℃, controller 100 control interface circuit 105 were sent early warning signal to main circuit, will close panel display screen 3.
The frame structure of main circuit on the present embodiment circuit board is please referring to Fig. 3.This circuit has liquid crystal display screen drive circuit and two parts of lattice network.Lattice network adopts IPTV module 300, and the RJ45 interface 301 of IPTV module 300 realizes that with extraneous network is connected by cable.Can pass through the network cable playing video advertisement, and can control displaying video programs by the backstage.The main process chip 200 of liquid crystal display screen drive circuit adopts the MSTAR9U19 integrated circuit (IC) chip, and this chip internal has gamma correcting circuit, masking circuit, and Dolby circuit, deinterlace circuit also are integrated with ADC, VIDEO DECODER, SCALER.Main process chip 200 can become can drive the LVDS signal of panel display screen 3 with VGA signal, CVBS conversion of signals.In the liquid crystal display screen drive circuit around each input/output port of main process chip 200 be equipped with panel display screen 3, the memory cell of forming by program storage 2011 and data storage 2,012 201, button 202, the interface 203 that is connected with temperature-control circuit, audio power amplifying unit 205 that a plurality of selection function is controlled.Interface 203 is connected with the interface circuit 105 of temperature-control circuit.The audio output interface 2051 of audio power amplifying unit 205 and the audio amplifier outside the casing 1 connect.The serial ports 201 of main process chip 200 is connected with the RS232 output port of lattice network IPTV module 300.The VGA interface 207 of main process chip 200 is connected with audio output port with the VGA/AV output port of lattice network IPTV module 300 respectively with RCA interface 208.Each element in panel display screen 3 and the foregoing circuit all adopts high temperature resistant device, to adapt to outdoor hot environment.
Embodiment two
Outdoor another preferred embodiment of panel TV set of the utility model is provided with interior circulation air path and about two fans of arranging of arranging about two, the horizontal section structure of this open air panel TV set, as shown in Figure 4.Casing 1 ' the front panel 11 of this open air panel TV set ' display window 111 ' on install an armorplate glass 2 ', with display window 111 ' sealing.Glass plate 2 ' front surface is coated with anti-reflection film, and the front surface of anti-reflection film posts transparent antireflection, heat insulation, rupture pressure disc.Antireflection, heat insulation, rupture pressure disc can absorb in the solar irradiation 70% heat and 90% ultraviolet ray.
Casing 1 ' interior near glass plate 2 ' be provided with panel display screen 3 ', panel display screen 3 ' employings high brightness LCDs, or the plasma panel of employing high brightness.Panel display screen 3 ' the rear be provided with a dividing plate 4 in the front surface mounting circuit boards ', dividing plate 4 ' the dead astern be equipped with heat exchanger 5 '.Heat exchanger 5 ' with panel display screen 3 ' and the dividing plate 4 of circuit board ' be enclosed in casing 1 ' volume inside has been installed, dust, rainwater, mosquito all can not enter casing 1 ' volume inside, jeopardize panel display screen 3 ' and circuit board.
In casing 1 ' volume inside, glass plate 2 and ' panel display screen 3 ' leave gap 12 ', the backlight 31 at panel display screen 3 ' rear portion ' and dividing plate 4 ' on circuit board between leave gap 13 '.In casing 1 ' inner space, be positioned at the heater 53 of heat exchanger 5 ' right-hand member ' the right side have one install centrifugal fan 6 ' back protuberance 14 '.The rear end face of the casing 1 ' inner space of heat exchanger 5 ' left end and back shroud 8 ' between have one install centrifugal fan 7 ' preceding convex space 82 '.
Dividing plate 4 ' go up be positioned at heat exchanger 5 ' inboard heat-exchange surface 51 ' left end have gas outlet 41 ', dividing plate 4 ' on face back protuberance 14 ' in fan 6 ' have air inlet 42 '.Dividing plate 4 ' on the temperature sensor 9 in air inlet 42 ' and gas outlet 41 ' locate respectively to be equipped with '.Dividing plate 4 ' rear surface and heat exchanger 5 ' inboard heat-exchange surface 51 ' between leave the gap, this gap from air inlet 42 ' to the gas outlet 41 ' circulation heat exchange air duct 43 in constituting '.Dividing plate 4 ' front surface from gas outlet 41 ' to air inlet 42 ' and panel display screen 3 ' rear portion backlight 31 ' the rear surface gap 13 ' formation in circulation air path.From dividing plate 4 ' gas outlet 41 ' through panel display screen 3 ' and glass plate 2 ' between gap 12 ' to dividing plate 4 ' import and export 42 ' formation second in circulation air path.Air in the circulation air path heat exchange air duct 43 ' air-supply that inwardly circulates in the circulation air path and second in fan 6 ' as interior circulating fan extracts.
Casing 1 ' back shroud 8 ' be arranged on heat exchanger 5 ' outside heat-exchange surface 52 ' the rear.Back shroud 8 ' go up be positioned at heat exchanger 5 ' outside heat-exchange surface 52 ' left end, face the space 82 ' middle fan 7 of lordosis ' have second air inlet 83 '; Back shroud 8 ' go up be positioned at heat exchanger 5 ' outside heat-exchange surface 52 ' right end have second gas outlet 84 '.Heat exchanger 4 ' outside heat-exchange surface 52 ' and back shroud 8 ' leave gap 85 ', gap 85 ' right-hand member facing to heat exchanger 5 ' outside heat-exchange surface 52 ' right hand edge and be communicated with second gas outlet 84 '; Gap 85 ' left end convex space 82 and before being communicated with ' and second air inlet 83 facing to heat exchanger 5 ' outside heat-exchange surface 52 ' left hand edge '.Gap 85 ' formation outer circulation heat exchange air duct.Fan 7 ' blow to this outer circulation heat exchange air duct as the outer circulation fan.
In the process of present embodiment work, the heat that distributes the heat that external radiation is come in and panel display screen 3 ' front portion by panel display screen 3 ' with glass plate 2 ' between in second the air in the circulation air path take to dividing plate 4 ' air inlet 41 ', the heat that each element distributes on the heat of panel display screen 3 ' rear portion backlight 31 ' distribute and the circuit board by panel display screen 3 ' rear portion backlight 31 ' and dividing plate 4 ' between air in the interior circulation air path take to dividing plate 4 ' air inlet 41 '; Hot-air through dividing plate 4 ' air inlet 41 ' delivered to heat exchanger 5 ' inboard heat-exchange surface 51 ' and dividing plate 4 by fan 6 ' pressure ' between interior circulation heat exchange air duct in.Above-mentioned hot-air in interior circulation heat exchange air duct left in the process of flowing, by heat exchanger 5 ' inboard heat-exchange surface 51 ' absorption heat wherein.Cold air after temperature reduces from dividing plate 4 ' gas outlet 42 ' get back to panel display screen 3 ' and the circuit board left side add to panel display screen 3 ' with glass plate 2 ' between the second interior circulation air path, and panel display screen 3 ' and dividing plate 4 ' between interior circulation air path in; Air in casing 1 ' inner space forms and circulates, by the heat that heat exchanger 5 ' inboard heat-exchange surface 51 absorbs wherein.The cold air of outside atmosphere is sent in the outer circulation heat exchange air duct to the right through second air inlet 83 ' by fan 7 ' pressure and is flowed.Cold air circulates outside in the heat exchange air duct and to absorb the heat of heat exchanger 5 ' outside heat-exchange surface 52 ' distribute in the process of flowing to the right, become hot-air from second gas outlet 84 ' be discharged into the atmosphere.
The frame structure of temperature-control circuit and main circuit is identical with last embodiment with working method on the present embodiment circuit board, repeats no more here.
The direction of circulation air path and interior circulation heat exchange air duct can be vertical with the direction of outer circulation heat exchange air duct in other embodiment of the outdoor panel TV set of the utility model, interior circulating fan is positioned at the top or the bottom of casing, and the outer circulation fan is located at the left side or the right side of back shroud; Perhaps interior circulating fan is positioned at the left side or the right side of casing, and the outer circulation fan is located at the top or the bottom of back shroud; All can reach the purpose of this utility model.
The above only is the utility model preferred embodiment; Yet, do not limit the scope that the utility model is implemented with this.The equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that the utility model is contained.
Claims (8)
1. outdoor panel TV set, the display window of a glass plate sealing casing front panel; Panel display screen and circuit board are set in the casing; It is characterized in that: the rear of panel display screen and circuit board is provided with heat exchanger is installed in the casing, and this heat exchanger becomes an independently space with the casing inner sealing.
2. outdoor panel TV set according to claim 1 is characterized in that: between the rear of panel display screen and heat exchanger a dividing plate in the front surface mounting circuit boards is set in the space in the described casing; Two relative ends that are positioned at the inboard heat-exchange surface of heat exchanger on this dividing plate have air inlet and gas outlet, and this dividing plate rear surface constitutes heat exchange air duct from the air inlet to the gas outlet and between the inboard heat-exchange surface of heat exchanger; This dividing plate front surface constitutes interior circulation air path from the gas outlet to the air inlet and between the rear surface of panel display screen; An interior circulating fan to this heat exchange air duct air-supply is installed at the air inlet rear of this dividing plate.
3. outdoor panel TV set according to claim 2 is characterized in that: leave the gap between panel display screen in the described casing and glass plate; The air inlet of this gap from the gas outlet of dividing plate to dividing plate constitutes circulation air path in second.
4. outdoor panel TV set according to claim 3, it is characterized in that: the back shroud of casing is arranged on the rear of heat exchanger outside heat-exchange surface, two relative ends that are positioned at heat exchanger outside heat-exchange surface on the back shroud have second air inlet and second gas outlet, and this back shroud front surface constitutes the outer circulation heat exchange air duct from second air inlet to second gas outlet and the heat-exchange surface of the heat exchanger outside; The outer circulation fan to this outer circulation heat exchange air duct air-supply is installed in second air inlet the place ahead of this back shroud.
5. outdoor panel TV set according to claim 4, it is characterized in that: in the space in the described casing temperature sensor is installed, this temperature sensor and interior circulating fan and outer circulation fan are connected with the corresponding port of temperature-control circuit on the circuit board respectively.
6. outdoor panel TV set according to claim 5 is characterized in that: in the space in the described casing heater is installed, the corresponding port of temperature-control circuit is connected on this heater and the circuit board.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described outdoor panel TV sets, it is characterized in that: described glass plate front surface posts antireflection, heat insulation, rupture pressure disc.
8. outdoor panel TV set according to claim 7 is characterized in that: be coated with anti-reflection film between described glass plate front surface and antireflection, heat insulation, the rupture pressure disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200084178U CN201114453Y (en) | 2007-09-30 | 2007-09-30 | Outdoor flat plate TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200084178U CN201114453Y (en) | 2007-09-30 | 2007-09-30 | Outdoor flat plate TV |
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| Publication Number | Publication Date |
|---|---|
| CN201114453Y true CN201114453Y (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200084178U Expired - Fee Related CN201114453Y (en) | 2007-09-30 | 2007-09-30 | Outdoor flat plate TV |
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| CN (1) | CN201114453Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714316A (en) * | 2008-09-30 | 2010-05-26 | 三洋电机株式会社 | Display device |
| CN101930243A (en) * | 2010-07-27 | 2010-12-29 | 同辉佳视(北京)信息技术有限公司 | Temperature control system of outdoor display and outdoor cabinet |
| CN101969753A (en) * | 2010-07-27 | 2011-02-09 | 同辉佳视(北京)信息技术有限公司 | Outdoor screen temperature control system and outdoor screen |
| CN102737558A (en) * | 2011-04-08 | 2012-10-17 | 三星电子株式会社 | Outdoor display apparatus |
| CN102907088A (en) * | 2010-03-08 | 2013-01-30 | 喜意尔科技有限公司 | Display enclosure |
| CN106793681A (en) * | 2016-12-05 | 2017-05-31 | 郑州云海信息技术有限公司 | The container data center of cooling overhead heat exchange and its method for heat exchange |
-
2007
- 2007-09-30 CN CNU2007200084178U patent/CN201114453Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101714316A (en) * | 2008-09-30 | 2010-05-26 | 三洋电机株式会社 | Display device |
| CN102907088A (en) * | 2010-03-08 | 2013-01-30 | 喜意尔科技有限公司 | Display enclosure |
| CN101930243A (en) * | 2010-07-27 | 2010-12-29 | 同辉佳视(北京)信息技术有限公司 | Temperature control system of outdoor display and outdoor cabinet |
| CN101969753A (en) * | 2010-07-27 | 2011-02-09 | 同辉佳视(北京)信息技术有限公司 | Outdoor screen temperature control system and outdoor screen |
| CN101930243B (en) * | 2010-07-27 | 2013-06-19 | 同辉佳视(北京)信息技术有限公司 | Temperature control system of outdoor display |
| CN102737558A (en) * | 2011-04-08 | 2012-10-17 | 三星电子株式会社 | Outdoor display apparatus |
| CN102737558B (en) * | 2011-04-08 | 2017-04-12 | 三星电子株式会社 | Outdoor display apparatus |
| CN106793681A (en) * | 2016-12-05 | 2017-05-31 | 郑州云海信息技术有限公司 | The container data center of cooling overhead heat exchange and its method for heat exchange |
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Granted publication date: 20080910 Termination date: 20130930 |