CN112991977A - Outdoor LED display screen overheat protection subassembly - Google Patents

Outdoor LED display screen overheat protection subassembly Download PDF

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Publication number
CN112991977A
CN112991977A CN202110295532.2A CN202110295532A CN112991977A CN 112991977 A CN112991977 A CN 112991977A CN 202110295532 A CN202110295532 A CN 202110295532A CN 112991977 A CN112991977 A CN 112991977A
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CN
China
Prior art keywords
chamber
cavity
led display
display screen
plate
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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.)
Withdrawn
Application number
CN202110295532.2A
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Chinese (zh)
Inventor
吴佰玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Chuanzhi E Commerce Co ltd
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Hangzhou Chuanzhi E Commerce Co ltd
Priority date (The priority date 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 date listed.)
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Application filed by Hangzhou Chuanzhi E Commerce Co ltd filed Critical Hangzhou Chuanzhi E Commerce Co ltd
Priority to CN202110295532.2A priority Critical patent/CN112991977A/en
Publication of CN112991977A publication Critical patent/CN112991977A/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20972Forced ventilation, e.g. on heat dissipaters coupled to components
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/04Display protection
    • G09G2330/045Protection against panel overheating

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention relates to the field of LED (light emitting diode) display screens, and discloses an outdoor LED display screen overheating protection assembly which comprises a display screen protection support, wherein a working cavity with an outward opening is arranged in the display screen protection support, an LED display panel is fixedly arranged in the working cavity, a protection plate is fixedly sleeved on the outer side of the display panel, the upper wall of the working cavity is communicated with a fan cavity, and a heat dissipation assembly is arranged in the fan cavity. According to the outdoor LED display screen overheating protection assembly, when the temperature is overhigh due to the fact that the LED display panel is long in starting time, the contact area of the contact sensor and the contact moving plate is increased, the radiating power is changed along with the rising of the starting temperature of the LED display panel, meanwhile, when the temperature of the LED display panel continuously rises to reach a critical value, the power supply wire and the input connecting wire power are disconnected through the lifting plate, and at the moment, the LED display panel is emergently stopped under the protection of the overheating protection assembly.

Description

Outdoor LED display screen overheat protection subassembly
Technical Field
The invention relates to the technical field of LED display screens, in particular to an outdoor LED display screen overheating protection assembly.
Background
The LED display screen is used as a modern media tool in many ways outdoors and indoors, and the common outdoor LED display screen also has accident risks, such as damage or spontaneous combustion of internal components caused by overhigh temperature and even fire.
General LED display screen can only reach normal use, and when long-time use or outdoor temperature were higher, internal capacitance easily produced higher temperature and leads to the spontaneous combustion, causes the display screen damaged even to cause outdoor conflagration, arouse the destruction of environment, its cooling system of general LED display screen can not be fine adapt to the change of display screen temperature in the use, carries out the heat dissipation of different degrees.
Disclosure of Invention
The outdoor LED display screen overheating protection assembly has the effect of changing the power of the radiating assembly through the display screen heat, and timely cuts off power when the device is overheated, so that the safety problems of overheating and spontaneous combustion and the like caused by long-time use of an LED display are solved.
The invention provides the following technical scheme: an outdoor LED display screen overheating protection assembly comprises a display screen protection support, wherein a working cavity with an outward opening is arranged in the display screen protection support, an LED display panel is fixedly arranged in the working cavity, a protection plate is fixedly sleeved on the outer side of the display panel, a fan cavity is communicated with the upper wall of the working cavity, a heat dissipation assembly is arranged in the fan cavity and used for dissipating heat of the LED display panel, an expansion cavity is arranged in the lower wall of the working cavity, storage mercury is stored in the expansion cavity, a heat exchange plate is fixedly arranged between the upper wall of the expansion cavity and the working cavity, a moving cavity is communicated with one side wall of the expansion cavity and provided with a heated switching assembly, the heated switching assembly can control the heat dissipation assembly to change the power of heat dissipation when the LED display screen is overheated for long time use, and an overheating protection assembly is arranged in the side wall of the working cavity far away from the opening, the overheating protection component can perform emergency circuit cut-off when the LED display screen is overheated.
Carefully, radiator unit locates including rotating the rotation fan of fan intracavity, the fan chamber with the fixed fan safety cover that is equipped with of working chamber junction, rotation fan up end center of rotation fixedly connected with axis of rotation, fan chamber upper wall internal fixation is equipped with motor power, axis of rotation upper end power connect in motor power.
The choice, be heated the switching module including being located remove intracavity and the piston plate that can remove, the piston plate is kept away from inflation chamber a side end fixedly connected with piston rod, it keeps away from to remove the chamber the fixed contact control board that is equipped with of inflation chamber a side wall, the piston rod is kept away from inflation chamber a side end fixedly connected with contact movable plate, it keeps away from to remove the chamber inflation chamber a side wall intercommunication is equipped with the removal connection chamber, the contact movable plate is kept away from inflation chamber one end extends to remove the connection intracavity.
The contact moving plate is far away from one side end face of the moving cavity and the moving connecting cavity is far away from a moving spring fixedly connected between one side wall of the moving cavity, and the contact moving plate is far away from one side end face of the moving cavity and is fixedly connected with a moving pull rope.
Carefully, the heat dissipation pipeline is close to working chamber lateral wall top with the intercommunication is equipped with the intercommunication pipeline between the working chamber, the heat dissipation pipeline is kept away from be equipped with the storage chamber in the working chamber lateral wall, the storage intracavity is saved and is had carbon dioxide, the fixed telescopic airbag that is equipped with of storage intracavity, the storage chamber with the intercommunication pipeline that is equipped with between the fan chamber upper wall.
And carefully selecting, wherein a closed cavity is communicated between the left wall and the right wall, a movable closed plate is arranged in the closed cavity, a closed spring is fixedly connected between the closed plate and the side wall far away from the closed cavity, and an electromagnet is fixedly arranged on the side wall far away from the closed cavity.
Carefully, the overheat protection subassembly is including being located the switching chamber of storage chamber lower wall, the switching intracavity is equipped with the lifter plate that can reciprocate, the lifter plate internal fixation is equipped with the current conducting plate, it is equipped with the lift threaded spindle to switch intracavity lower wall rotation, the lifter plate with lift threaded spindle threaded connection, it is equipped with elevator motor to switch intracavity lower wall internal fixation, lift threaded spindle lower extreme power connect in elevator motor.
Carefully, working chamber both sides wall intercommunication is equipped with about the clamping chamber of working chamber bilateral symmetry, both sides the clamping intracavity is equipped with the clamping board that can remove, the clamping board is kept away from working chamber a side end face with the clamping chamber is kept away from fixedly connected with connecting spring between a working chamber lateral wall, both sides the clamping board is kept away from working chamber a side end face fixedly connected with connects the stay cord, both sides connect the stay cord with it connects to remove the stay cord.
The LED display panel is selected, an input connecting line is electrically connected to the end face, far away from the opening of the working cavity, of the LED display panel, the input connecting line penetrates through the heat dissipation pipeline and extends into the switching cavity, the input connecting line is communicated with the end face, close to the heat dissipation pipeline, of the heat dissipation pipeline, the switching cavity is far away from one side of the heat dissipation pipeline, is electrically connected with a power supply wire input from the outside, the heat dissipation pipeline is made of a conductive material, the lifting plate is made of an insulating material, and vent holes are distributed in the matrix arrangement of the communicated position.
The invention has the following beneficial effects:
1. when the temperature is too high due to the fact that the LED display panel is started for a long time, the contact area between the contact sensor and the contact moving plate is increased, the contact sensor is further used for gradually controlling the rotating speed of the power motor to be increased, the rotating speed of the rotating fan is gradually increased at the moment, the heat dissipation power is gradually improved, and the heat dissipation power is changed along with the rising of the starting temperature of the LED display panel.
2. When the temperature of the LED display panel continuously rises to reach a critical value, the power supply wire and the input connecting wire power are disconnected through the lifting plate, and the LED display panel is emergently stopped under the protection of the overheating protection component.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure A-A in FIG. 1;
FIG. 3 is an enlarged view of the point B in FIG. 1;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is an enlarged view of FIG. 1 at D;
fig. 6 is a perspective view of fig. 5 according to the present invention.
In the figure: 11. a display screen protection bracket; 12. an electromagnet; 13. a closing spring; 14. a closed cavity; 15. an inflatable air bag; 16. a communicating pipe; 17. a storage chamber; 18. a closing plate; 19. a power supply wire; 20. storing mercury; 21. an expansion chamber; 22. a heat exchange plate; 23. an input connection line; 24. a heat dissipation protection plate; 25. a heat dissipation pipe; 26. an LED display panel; 27. a communicating pipe; 28. a working chamber; 29. a fan guard; 30. a power motor; 31. a rotating shaft; 32. rotating the fan; 33. a fan cavity; 34. an air intake duct; 35. a clamping cavity; 36. installing a clamping plate; 37. connecting a pull rope; 38. a connecting spring; 39. a lifting motor; 40. a lifting threaded shaft; 42. a switching chamber; 43. a conductive plate; 44. a lifting plate; 45. a vent; 46. a protection plate; 50. a closing spring; 51. a piston plate; 52. a moving chamber; 53. a mobile connection cavity; 54. a movable spring; 55. moving the pull rope; 56. a contact sensor; 57. contacting the moving plate; 58. contacting the control board; 59. a piston rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an outdoor LED display screen overheating protection assembly includes a display screen protection bracket 11, a working cavity 28 with an outward opening is disposed in the display screen protection bracket 11, an LED display panel 26 is fixedly disposed in the working cavity 28, a protection plate 46 is fixedly disposed on the outer side of the display panel 26, a fan cavity 33 is disposed on the upper wall of the working cavity 28 in a communicating manner, a heat dissipation assembly is disposed in the fan cavity 33 and performs heat dissipation treatment on the LED display panel 26, an expansion cavity 21 is disposed in the lower wall of the working cavity 28, storage mercury 20 is stored in the expansion cavity 21, a heat exchange plate 22 is fixedly disposed between the upper wall of the expansion cavity 21 and the working cavity 28, a moving cavity 52 is disposed in a communicating manner in one side wall of the expansion cavity 21, a heated switching assembly is disposed in the moving cavity 52 and can control the heat dissipation assembly to change the heat dissipation power when the LED display screen is overheated due to long-time use, an overheating protection component is arranged in one side wall of the working cavity 28, which is far away from the opening, and the overheating protection component can perform emergency circuit breaking when the LED display screen is overheated.
Wherein, radiator unit locates including rotating the rotation fan 32 in the fan chamber 33, fan chamber 33 with the fixed fan safety cover 29 that is equipped with in working chamber 28 junction, rotation fan 32 up end center of rotation fixedly connected with axis of rotation 31, fan chamber 33 upper wall internal fixation is equipped with motor power 30, axis of rotation 31 upper end power connect in motor power 30.
Wherein, the switching module of being heated is including being located remove the piston plate 51 that just can move in the chamber 52, piston plate 51 is kept away from expansion chamber 21 a side end fixedly connected with piston rod 59, it keeps away from to remove chamber 52 a side wall of expansion chamber 21 is fixed and is equipped with contact control panel 58, piston rod 59 keeps away from expansion chamber 21 a side end fixedly connected with contact movable plate 57, it keeps away from to remove chamber 52 a side wall intercommunication of expansion chamber 21 is equipped with and removes connection chamber 53, contact movable plate 57 is kept away from expansion chamber 21 one end extends to in removing connection chamber 53.
A contact sensor 56 is fixedly arranged on the inner upper wall of the movable connecting cavity 53, a movable spring 54 is fixedly connected between the end surface of one side of the contact moving plate 57 far away from the movable cavity 52 and the side wall of the movable connecting cavity 53 far away from the movable cavity 52, and a movable pull rope 55 is fixedly connected on the end surface of one side of the contact moving plate 57 far away from the movable cavity 52.
Wherein, the heat dissipation pipeline 25 is close to working chamber 28 a lateral wall top with the intercommunication is equipped with the intercommunication pipeline 27 between the working chamber 28, the heat dissipation pipeline 25 is kept away from be equipped with storage chamber 17 in the 28 a lateral wall of working chamber, carbon dioxide gas has been stored in the storage chamber 17, storage chamber 17 internal fixation is equipped with telescopic inflatable airbag 15, storage chamber 17 with the intercommunication is equipped with the intercommunication pipeline 16 between the fan chamber 33 upper wall.
A closed cavity 14 is communicated between the left wall and the right wall in the cavity 16, a movable closed plate 18 is arranged in the closed cavity 14, a closed spring 13 is fixedly connected between the closed plate 18 and one side wall of the closed cavity 14 far away from the cavity 16, and an electromagnet 12 is fixedly arranged on one side wall of the closed cavity 14 far away from the cavity 16.
Wherein, the overheat protection subassembly is including being located switching chamber 42 in the storage chamber 17 lower wall, be equipped with the lifter plate 44 that can reciprocate in the switching chamber 42, lifter plate 44 internal fixation is equipped with the conducting plate 43, lower wall rotates and is equipped with lift threaded shaft 40 in the switching chamber 42, lifter plate 44 with lift threaded shaft 40 threaded connection, switching chamber 42 lower wall internal fixation is equipped with elevator motor 39, lift threaded shaft 40 lower extreme power connect in elevator motor 39.
The two side walls of the working cavity 28 are communicated with clamping cavities 35 and two sides of the working cavity 28, wherein the clamping cavities 35 are symmetrical on two sides of the working cavity 28, movable clamping plates 36 are arranged in the clamping cavities 35, the clamping plates 36 are far away from one side end face of the working cavity 28 and the clamping cavities 35 are far away from a connecting spring 38 fixedly connected between one side wall of the working cavity 28, the clamping plates 36 are far away from one side end face of the working cavity 28, a connecting pull rope 37 is fixedly connected with the two side ends of the working cavity, and the connecting pull rope 37 is connected with the moving pull rope 55.
The end surface of the LED display panel 26 away from the opening of the working chamber 28 is electrically connected to an input connection line 23, the input connection line 23 penetrates through the heat dissipation pipeline 25 and extends into the switching chamber 42, and is communicated with the end surface of the conductive plate 43 near the heat dissipation pipeline 25, the side of the switching chamber 42 away from the heat dissipation pipeline 25 is electrically connected to a power supply wire 19 input from the outside, the conductive plate 43 is made of a conductive material, the lifting plate 44 is made of an insulating material, and vent holes 45 are distributed in a matrix arrangement at a communication position of the protective plate 46 and the heat dissipation pipeline 25.
The working principle is as follows: when the LED display panel 26 is started for a period of time to cause temperature rise, the heat is transferred through the heat exchange plate 22 and transferred into the expansion cavity 21, the stored mercury 20 is heated and expanded, and the piston plate 51 is pushed by volume expansion, at this time, the piston plate 51 is fixedly connected through the piston rod 59 to drive the contact moving plate 57 to move against the elastic force of the moving spring 54, at this time, the contact moving plate 57 gradually moves to the side far away from the heat dissipation pipeline 25 and contacts with the lower end face of the contact sensor 56, at this time, the contact sensor 56 controls the power motor 30 to start, the power motor 30 starts to drive the rotating shaft 31 to rotate, at this time, the rotating shaft 31 drives the rotating fan 32 to rotate through the fixed connection, at this time, the rotating fan 32 rotates and blows air in the fan cavity 33 downwards into the working cavity 28 to cool the LED display panel 26 to a certain degree, at the moment, the air pressure in the fan cavity 33 is reduced, so as to cool the LED display panel 26, when the temperature is too high due to the long starting time of the LED display panel 26, the heated volume of the stored mercury 20 gradually expands, at the moment, the piston plate 51 gradually moves to the side away from the expansion cavity 21, at the moment, the contact moving plate 57 gradually moves to the side away from the moving cavity 52, at the moment, the contact area between the contact sensor 56 and the contact moving plate 57 is increased, at the moment, the contact sensor 56 gradually controls the rotation speed of the power motor 30 to increase, at the moment, the rotation speed of the rotating fan 32 gradually increases, so that the heat dissipation power is gradually increased, so as to change the magnitude of the heat dissipation power along with the rising of the starting temperature of the LED display panel 26, at the same time, the contact moving plate 57 moves, so that the moving pull rope 55, at this time, the two-side clamping cavity 35 gradually clamps the two sides of the LED display panel 26, so as to clamp and protect the LED display panel 26, if the display screen protection bracket 11 expands in volume and causes internal damage after long-term use, the LED display panel 26 can be further protected by the clamping plate 36 from secondary damage caused by falling, if the temperature of the LED display panel 26 continuously rises to reach a critical value, the piston plate 51 moves to the side farthest from the expansion cavity 21, the piston plate 51 contacts with the surface of the contact control plate 58, the contact control plate 58 controls the lifting motor 39 to start, the lifting motor 39 starts to drive the lifting threaded shaft 40 to rotate, the lifting threaded shaft 40 drives the lifting plate 44 to move upwards through threaded connection, the conductive plate 43 is disconnected from the power supply wire 19 and the input connecting wire 23, and the power supply wire 19 and the input connecting wire 23 are electrically disconnected through the lifting plate 44, at the moment, the LED display panel 26 is emergently stopped under the protection of the overheating protection assembly, meanwhile, the electromagnet 12 is electrified and has magnetism, at the moment, the closing plate 18 moves under the action of the elasticity of the closing spring 13 due to the magnetic attraction of the electromagnet 12, the upper side and the lower side of the closing plate 16 are communicated, the inflatable air bag 15 is started at the same time, the inflatable air bag 15 is started and increases in volume, at the moment, carbon dioxide gas stored in the storage cavity 17 is output to the fan cavity 33 through the communication pipeline 16 and enters the working cavity 28 and the heat dissipation pipeline 25, and simultaneously enters the LED display panel 26 through the air vent 45, so that the combustion inside the device is further prevented.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (9)

1. The utility model provides an outdoor LED display screen overheat protection subassembly, includes display screen protective cradle (11), its characterized in that: display screen protective cradle (11), be equipped with opening working chamber (28) outwards in display screen protective cradle (11), working chamber (28) internal fixation is equipped with LED display panel (26), the fixed cover in display panel (26) outside is equipped with protection shield (46), working chamber (28) upper wall intercommunication is equipped with fan cavity (33), be equipped with radiator unit in fan cavity (33), radiator unit dispels the heat for LED display panel (26) and carries out the heat dissipation processing, be equipped with expansion chamber (21) in working chamber (28) lower wall, be equipped with storage mercury (20) in expansion chamber (21), expansion chamber (21) upper wall with fixed heat exchange plate (22) that is equipped with between working chamber (28), the intercommunication is equipped with in expansion chamber (21) a lateral wall and removes chamber (52), be equipped with the switching module of being heated in removal chamber (52), the switching module of being heated can control radiator unit when LED display screen uses overheated for a long time and change radiating work The LED display screen is characterized in that an overheating protection component is arranged in one side wall of the working cavity (28) far away from the opening, and the overheating protection component can perform emergency circuit cut-off when the LED display screen is overheated.
2. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: radiator unit locates including rotating fan (32) in fan chamber (33), fan chamber (33) with work chamber (28) junction is fixed and is equipped with fan safety cover (29), rotating fan (32) up end center of rotation fixedly connected with axis of rotation (31), fan chamber (33) upper wall internal fixation is equipped with motor power (30), axis of rotation (31) upper end power connect in motor power (30).
3. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: heated switching module is including being located move chamber (52) and movable piston plate (51), piston plate (51) are kept away from inflation chamber (21) a side end fixedly connected with piston rod (59), it keeps away from to move chamber (52) a fixed contact control board (58) that is equipped with of inflation chamber (21) a lateral wall, piston rod (59) are kept away from inflation chamber (21) a side end fixedly connected with contact movable plate (57), it keeps away from to move chamber (52) an inflation chamber (21) a lateral wall intercommunication is equipped with and moves connection chamber (53), contact movable plate (57) are kept away from inflation chamber (21) one end extends to in the removal connection chamber (53).
4. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: the movable connecting cavity (53) is internally and fixedly provided with a contact sensor (56) on the inner upper wall, the contact moving plate (57) is far away from one side end face of the movable cavity (52) and the movable connecting cavity (53) is far away from a movable spring (54) fixedly connected between one side wall of the movable cavity (52), and the contact moving plate (57) is far away from one side end face of the movable cavity (52) and is fixedly connected with a movable pull rope (55).
5. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: heat dissipation pipeline (25) are close to working chamber (28) a lateral wall top with the intercommunication is equipped with communicating pipe (27) between working chamber (28), heat dissipation pipeline (25) are kept away from be equipped with storage chamber (17) in working chamber (28) a lateral wall, the storage chamber (17) are stored with carbon dioxide gas in, storage chamber (17) internal fixation is equipped with telescopic inflatable air bag (15), storage chamber (17) with the intercommunication is equipped with communicating pipe (16) between fan chamber (33) the upper wall.
6. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: the electromagnetic type electromagnetic water heater is characterized in that a closed cavity (14) is communicated between the left wall and the right wall in the cavity (16), a movable closed plate (18) is arranged in the closed cavity (14), the closed plate (18) and the closed cavity (14) are far away from a closed spring (13) fixedly connected between one side wall of the cavity (16), and an electromagnet (12) is fixedly arranged on one side wall of the cavity (16) and far away from the closed cavity (14).
7. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: the overheating protection assembly comprises a switching cavity (42) located in the lower wall of the storage cavity (17), a lifting plate (44) capable of moving up and down is arranged in the switching cavity (42), a conductive plate (43) is arranged in the lifting plate (44) in a fixed mode, a lifting threaded shaft (40) is arranged in the switching cavity (42) in a rotating mode, the lifting plate (44) is connected with the lifting threaded shaft (40) in a threaded mode, a lifting motor (39) is arranged in the switching cavity (42) in a fixed mode, and the lower end of the lifting threaded shaft (40) is in power connection with the lifting motor (39).
8. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: working chamber (28) both sides wall intercommunication is equipped with about clamping chamber (35), both sides of working chamber (28) bilateral symmetry be equipped with in clamping chamber (35) and move clamping plate (36), clamping plate (36) are kept away from working chamber (28) a side end face with clamping chamber (35) are kept away from fixedly connected with coupling spring (38), both sides between working chamber (28) a lateral wall clamping plate (36) are kept away from working chamber (28) a side end face fixedly connected with connection stay cord (37), both sides connect stay cord (37) with remove stay cord (55) and connect.
9. The outdoor LED display screen overheat protection assembly according to claim 1, wherein: keep away from LED display panel (26) work chamber (28) opening side end face electric power is connected with input connecting wire (23), input connecting wire (23) run through heat dissipation pipeline (25) and extend to switch in chamber (42) and with current conducting plate (43) are close to heat dissipation pipeline (25) side end face intercommunication, switch chamber (42) and keep away from heat dissipation pipeline (25) one side electric power is connected with power supply wire (19) of external input, current conducting plate (43) are made for conducting material, and lifter plate (44) are made for insulating material, protection shield (46) with heat dissipation pipeline (25) intercommunication department matrix arrangement distributes and has blow vent (45).
CN202110295532.2A 2021-03-19 2021-03-19 Outdoor LED display screen overheat protection subassembly Withdrawn CN112991977A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110295532.2A CN112991977A (en) 2021-03-19 2021-03-19 Outdoor LED display screen overheat protection subassembly

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Application Number Priority Date Filing Date Title
CN202110295532.2A CN112991977A (en) 2021-03-19 2021-03-19 Outdoor LED display screen overheat protection subassembly

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CN112991977A true CN112991977A (en) 2021-06-18

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CN202110295532.2A Withdrawn CN112991977A (en) 2021-03-19 2021-03-19 Outdoor LED display screen overheat protection subassembly

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118550384A (en) * 2024-07-29 2024-08-27 深圳市德可信科技技术有限公司 Computer mainframe with heat dissipation wind channel structure

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Application publication date: 20210618