CN115489310A

CN115489310A - LED automobile instrument with heat dissipation effect

Info

Publication number: CN115489310A
Application number: CN202211144438.8A
Authority: CN
Inventors: 赵伟菊; 马露; 任正中
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-20

Abstract

The invention discloses an LED automobile instrument with a heat dissipation effect, and belongs to the technical field of LED automobile instruments. Including the instrument shell, still include: the air blower is fixedly connected to the inner wall of the instrument shell, an air inlet pipe is fixedly connected to the inlet end of the air blower, the inlet end of the air inlet pipe is flush with the surface of the instrument shell, an air blowing pipe is fixedly connected to the outlet end of the air blower, and the air blowing pipe is located in the inner cavity of the instrument shell; the first temperature sensor is fixedly connected to the inner wall of the instrument shell and is electrically connected with the blower; fixed connection is in the relief valve on instrument shell surface, when instrument shell inner chamber temperature was higher, first temperature sensor drive hair-dryer started to make outside air blow in the instrument shell from the gas blow pipe, reduce the temperature of instrument shell inner chamber fast.

Description

LED automobile instrument with heat dissipation effect

Technical Field

The invention relates to the technical field of LED automobile instruments, in particular to an LED automobile instrument with a heat dissipation effect.

Background

The LED automobile instrument consists of various instruments, indicators, especially warning light alarms for drivers, etc. and provides the drivers with required automobile running parameter information. Most of the instrument display is based on a sensor, and the sensing device changes its resistance value according to the state change of the object to be monitored, and is expressed by the instrument.

The automobile can be irradiated by sunlight in the driving process, so that the temperature in the automobile is increased, and the LED automobile instrument can generate certain heat when working. Excessive temperature inside an LED automobile meter may adversely affect its normal operation, and thus, improvement thereof is required.

Disclosure of Invention

The invention aims to solve the problem that the normal work of an LED automobile instrument is adversely affected due to the fact that the temperature in the LED automobile instrument is too high in the prior art, and provides an LED automobile instrument with a heat dissipation effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a LED motormeter with radiating effect, includes the meter case, still includes: the air blower is fixedly connected to the inner wall of the instrument shell, an air inlet pipe is fixedly connected to the inlet end of the air blower, the inlet end of the air inlet pipe is flush with the surface of the instrument shell, an air blowing pipe is fixedly connected to the outlet end of the air blower, and the air blowing pipe is located in the inner cavity of the instrument shell; the first temperature sensor is fixedly connected to the inner wall of the instrument shell and electrically connected with the blower; and the pressure relief valve is fixedly connected to the surface of the instrument shell.

In order to blow cool air into the instrument housing, it is preferable to further include: the instrument shell comprises a first supporting plate fixedly connected to the inner wall of the instrument shell, and a comprehensive pipe is fixedly connected to the surface of the first supporting plate, wherein the air blowing pipe is fixedly connected with the comprehensive pipe, the inner cavity of the air blowing pipe is communicated with the inner cavity of the comprehensive pipe, and one end of the comprehensive pipe, which is far away from the air blowing pipe, is provided with an air outlet; fixedly connected in the cooler bin of instrument shell inner wall, the inner wall fixedly connected with suction pump of cooler bin, the output fixedly connected with cooling tube of suction pump, wherein, part the cooling tube is located synthesizes intraductally, the exit end of cooling tube is located the cooler bin.

In order to start the suction pump when the air entering the air inlet pipe is hot air, further, the surface of the instrument shell is fixedly connected with a second temperature sensor, and the second temperature sensor is electrically connected with the suction pump.

In order to facilitate the output of the cold air to the direction of the air outlet, further, the air conditioner further comprises: the second supporting plate is fixedly connected to the inner wall of the comprehensive pipe and is fixedly connected with the cooling pipe; the first rotating rod is rotatably connected to the inner wall of the comprehensive pipe, and a first impeller and a second impeller are fixedly connected to the outer wall of the first rotating rod; the first support pipe is fixedly connected to the side wall of the second support plate, the first impeller is positioned in the first support pipe, and the outlet end of the blowing pipe is aligned to the blades of the first impeller; the guide pipe is fixedly connected to the side wall of the first support pipe, and a one-way valve is fixedly connected to the guide pipe.

In order to improve the cooling efficiency of air in the comprehensive pipe conveniently, furthermore, the outer wall of the first rotating rod is fixedly connected with a third impeller, the third impeller is positioned in the cooling pipe, the inner wall of the cooling pipe is fixedly connected with a guide hopper, and the outlet end of the guide hopper is aligned to the blades of the third impeller.

In order to facilitate the removal of the humidity carried by the cold air blown out from the air outlet slot, further, the method further comprises the following steps: the third supporting plate is fixedly connected to one end, far away from the air blowing pipe, of the comprehensive pipe, an air outlet groove is formed in the side wall of the third supporting plate, and the air outlet groove is communicated with an air outlet hole; the first fixing plate is fixedly connected to the side wall of the third supporting plate, the bottom of the first fixing plate is fixedly connected with a water absorption sponge, the bottom of the water absorption sponge is fixedly connected with a second fixing plate, and the water absorption sponge is abutted against the third supporting plate; the fixed connection is in the piston assembly of instrument housing inner wall, piston assembly's power end and second fixed plate fixed connection, the first spring of fixedly connected with between second fixed plate and the piston assembly.

In order to collect the moisture absorbed by the water-absorbing sponge conveniently, furthermore, the inner wall of the instrument shell is fixedly connected with a collection box, the surface of the collection box is fixedly connected with a liquid discharge pipe, the side wall of the third supporting plate is provided with a flow guide groove, the flow guide groove inclines towards the liquid discharge pipe, and the inner bottom wall of the second fixing plate inclines towards the flow guide groove.

In order to press the water on the water absorbing sponge conveniently, further, the method also comprises the following steps: the second supporting pipe is fixedly connected to the side wall of the piston assembly, and the inner wall of the second supporting pipe is connected with a first sliding rod in a sliding manner; the driving plate is fixedly connected to one end, far away from the second supporting tube, of the first sliding rod, a first rack is fixedly connected to the surface of the driving plate, and a second spring is fixedly connected between the driving plate and the second supporting tube; the first support plate is symmetrically and fixedly connected to the inner wall of the instrument shell, a first rotating rod is rotatably connected between every two adjacent first support plates, a gear is fixedly connected to the outer wall of the first rotating rod, and the gear is meshed with the first rack; sliding connection is in the movable plate of instrument housing inner wall, the bottom fixedly connected with second rack of movable plate, second rack and gear intermeshing, wherein, the fixed surface of second rack is connected with the fifth backup pad, the lateral wall fixedly connected with stripper plate of fifth backup pad, the stripper plate is corresponding with the sponge that absorbs water.

In order to improve the stability of the movable plate when moving, furthermore, the inner wall of the instrument shell is symmetrically provided with first sliding grooves, the bottom of the movable plate is symmetrically and fixedly connected with sliding blocks, the sliding blocks are connected in the first sliding grooves in a sliding mode, and the sliding blocks are T-shaped.

In order to close the air outlet groove when water on the water absorption sponge is extruded conveniently, furthermore, the surface of the third supporting plate is connected with a second sliding rod in a sliding mode, the upper end of the second sliding rod is fixedly connected with a limiting plate, a third spring is fixedly connected between the limiting plate and the third supporting plate, a connecting plate is fixedly connected between the limiting plate and the second fixing plate, a clamping plate is fixedly connected to the bottom of the second sliding rod, a second sliding groove is formed in the inner wall of the third supporting plate, the second sliding groove is communicated with the air outlet groove, and the clamping plate is connected in the second sliding groove in a sliding mode.

Compared with the prior art, the invention provides the LED automobile instrument with the heat dissipation effect, which has the following beneficial effects:

(1) This LED motormeter with radiating effect, when the inside air temperature of car is higher, the suction pump is started in the control of second temperature sensor, it carries out cold and hot exchange with the coolant liquid to synthesize intraductal gas, make the gas that flows into the instrument shell inner chamber from the venthole be the cold air, the radiating efficiency is improved, and when the inside air temperature of car is lower, the suction pump is closed, directly carry out the heat exchange with the inside cold air of car and the electron device in the instrument shell, can realize the radiating effect of instrument shell, and resources are saved.

(2) This LED motormeter with radiating effect drives the clockwise rotation of third impeller through first bull stick, and the flow direction of coolant liquid in the cooling tube is for turning left from the right side and flowing, and the third impeller has hindered the flow of partial coolant liquid to prolonged and detained the time in the cooling tube at the coolant liquid that lies in the third impeller right side part, and then prolonged the contact time of coolant liquid and air current, improved cooling efficiency

(3) This LED motormeter with radiating effect, when the moisture on the sponge that absorbs water is more, the sponge that absorbs water is extruded to the stripper plate to the moisture wringing on the sponge that will absorb water, simultaneously, makes the cardboard joint in the second spout, thereby closes the air outlet groove, prevents that moisture from getting into from the air outlet groove and synthesizes intraductally.

Drawings

Fig. 1 is a schematic structural diagram of an LED automobile instrument with a heat dissipation effect according to the present invention;

fig. 2 is an enlarged schematic view of a structure a in fig. 1 of an LED automobile instrument with heat dissipation effect according to the present invention;

FIG. 3 is a schematic cross-sectional view of an integrated tube in an LED automobile instrument with a heat dissipation effect according to the present invention;

fig. 4 is an enlarged schematic view of a structure B in fig. 3 of an LED automobile instrument with heat dissipation effect according to the present invention;

FIG. 5 is a schematic view of an inner structure of a cooling tube in an LED automobile instrument with heat dissipation effect according to the present invention;

FIG. 6 is a first structural diagram of a portion of an LED automobile instrument with heat dissipation effect according to the present invention;

fig. 7 is a schematic view of a part of a structure of an LED automobile instrument with a heat dissipation effect according to a second embodiment of the present invention.

In the figure: 1. an instrument housing; 101. a first temperature sensor; 102. a second temperature sensor; 103. a blower; 104. an air inlet pipe; 105. an air blowing pipe; 106. a pressure relief valve; 2. a synthesis pipe; 201. a cooling tank; 202. a cooling tube; 203. a suction pump; 204. a first support plate; 205. an air outlet; 3. a second support plate; 301. a first rotating lever; 302. a first impeller; 303. a guide tube; 304. a one-way valve; 305. a second impeller; 306. a third impeller; 307. a first support tube; 308. a guide hopper; 4. a third support plate; 401. an air outlet groove; 402. a first fixing plate; 403. a second fixing plate; 404. a water-absorbing sponge; 5. a piston assembly; 501. a first spring; 502. a diversion trench; 503. a liquid discharge pipe; 504. a collection box; 6. a second support tube; 601. a first slide bar; 602. a drive plate; 603. a first rack; 604. a fourth support plate; 605. a second rotating lever; 606. a gear; 7. moving the plate; 701. a second rack; 702. a fifth support plate; 703. a pressing plate; 704. a first chute; 705. a slider; 706. a second spring; 8. a second slide bar; 801. a limiting plate; 802. a third spring; 803. clamping a plate; 804. a second chute; 805. a connector tile.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, an LED automobile instrument with a heat dissipation effect includes an instrument housing 1, and further includes: the instrument comprises an air blower 103 fixedly connected to the inner wall of an instrument shell 1, an air inlet pipe 104 fixedly connected to the inlet end of the air blower 103, and the inlet end of the air inlet pipe 104 is flush with the surface of the instrument shell 1, wherein the outlet end of the air blower 103 is fixedly connected with an air blowing pipe 105, and the air blowing pipe 105 is positioned in the inner cavity of the instrument shell 1; the first temperature sensor 101 is fixedly connected to the inner wall of the instrument shell 1, and the first temperature sensor 101 is electrically connected with the blower 103; fixed connection is at the relief valve 106 on meter housing 1 surface, and relief valve 106 can guarantee that 1 inner chamber pressure of meter housing is invariable, prevents because blow into gaseous back toward 1 inner chamber of meter housing, and 1 inner chamber pressure of meter housing risees to influence the normal use of the electron device of 1 inner chamber of meter housing.

When the temperature of the inner cavity of the instrument housing 1 is high, the first temperature sensor 101 drives the blower 103 to start up, so that the outside air is blown into the instrument housing 1 from the air blowing pipe 105, and the temperature of the inner cavity of the instrument housing 1 is rapidly reduced.

Referring to fig. 1 and 3, because intake pipe 104 and the interior air intercommunication of car when using, when the interior temperature is higher, the air that gets into intake pipe 104 is the hot-air, and is relatively poor to the radiating effect of meter housing 1 inner chamber, consequently, this LED automobile instrument with radiating effect still includes: the first supporting plate 204 is fixedly connected to the inner wall of the instrument shell 1, the surface of the first supporting plate 204 is fixedly connected with the comprehensive pipe 2, wherein the air blowing pipe 105 is fixedly connected with the comprehensive pipe 2, the inner cavity of the air blowing pipe 105 is communicated with the inner cavity of the comprehensive pipe 2, and one end of the comprehensive pipe 2, which is far away from the air blowing pipe 105, is provided with an air outlet 205; fixedly connected is at the cooling tank 201 of instrument shell 1 inner wall, and the inner wall fixedly connected with suction pump 203 of cooling tank 201, and the output fixedly connected with cooling tube 202 of suction pump 203, and wherein, part cooling tube 202 is located and synthesizes pipe 2, and the exit end of cooling tube 202 is located cooling tank 201.

The surface of the meter housing 1 is fixedly connected with a second temperature sensor 102, and the second temperature sensor 102 is electrically connected with the suction pump 203.

When the air temperature in the automobile is high, the second temperature sensor 102 drives the suction pump 203 to start, thereby the cooling liquid in the cooling box 201 is pumped into the cooling pipe 202, finally the cooling pipe is returned to the cooling box 201 from the outlet end of the cooling pipe 202, in the process, the gas entering the comprehensive pipe 2 from the gas blow pipe 105 is subjected to heat exchange with the cooling liquid, the gas flowing into the inner cavity of the instrument shell 1 from the gas outlet 205 is cold air, the heat dissipation efficiency is improved, when the air temperature in the automobile is low, the suction pump 203 is closed, the cold air in the automobile is directly subjected to heat exchange with the electronic device in the instrument shell 1, the heat dissipation effect of the instrument shell 1 can be realized, and the resources are saved.

Example 2:

referring to fig. 3 to 5, substantially the same as example 1, further, an embodiment of improving cooling efficiency is added.

This LED motormeter with radiating effect still includes: the second support plate 3 is fixedly connected to the inner wall of the comprehensive pipe 2, and the second support plate 3 is fixedly connected with the cooling pipe 202; a first rotating rod 301 rotatably connected to the inner wall of the comprehensive pipe 2, wherein the outer wall of the first rotating rod 301 is fixedly connected with a first impeller 302 and a second impeller 305; a first supporting pipe 307 fixedly connected to the side wall of the second supporting plate 3, wherein the first impeller 302 is positioned in the first supporting pipe 307, and the outlet end of the blowpipe 105 is aligned with the blade of the first impeller 302; a guide pipe 303 fixedly connected with the side wall of the first supporting pipe 307, and a one-way valve 304 fixedly connected with the guide pipe 303.

It should be noted that the check valve 304 is in one-way communication with the synthesis pipe 2.

Referring to fig. 3, when using, the air current that blows into in first support tube 307 from gas blow pipe 105 makes first impeller 302 clockwise rotation, and first impeller 302 drives first bull stick 301 and rotates, and first bull stick 301 drives second impeller 305 and rotates to air after the cooling in will synthesizing pipe 2 blows into meter housing 1 inner chamber from venthole 205, has accelerated the circulation of meter housing 1 inner chamber air current, has improved the radiating efficiency of meter housing 1 inner chamber.

The guide pipe 303 is bent toward the cooling pipe 202 to guide the airflow in the first support pipe 307 toward the cooling pipe 202, so that the airflow is cooled at an accelerated speed, and the second impeller 305 is located between the first support pipe 307 and the cooling pipe 202 to blow the airflow in the integrated pipe 2 out of the air outlet 205.

Referring to fig. 3, a third impeller 306 is fixedly connected to an outer wall of the first rotating rod 301, the third impeller 306 is located in the cooling pipe 202, the first rotating rod 301 drives the third impeller 306 to rotate clockwise, the flow direction of the cooling liquid in the cooling pipe 202 flows from right to left, and the third impeller 306 obstructs the flow of part of the cooling liquid, so that the time of the cooling liquid staying at the right side of the third impeller 306 in the cooling pipe 202 is prolonged, the contact time of the cooling liquid and the air flow is further prolonged, and the cooling efficiency is improved.

When the cooling liquid in the cooling pipe 202 flows, the flow is slow, and the liquid pressure is low, so that the acting force applied to the third impeller 306 is not large, and therefore, when the first impeller 302 is driven to rotate by the air flow in the blowpipe 105, the third impeller 306 can be synchronously driven to rotate.

Referring to fig. 5, a guide bucket 308 is fixedly connected to an inner wall of the cooling pipe 202, an outlet end of the guide bucket 308 is aligned with a blade of the third impeller 306, so that a part of the cooling liquid flows back under the action of centrifugal force, meanwhile, the cooling liquid flowing to the blade of the third impeller 306 can promote the clockwise rotation of the third impeller 306, an inner diameter of one end, far away from the third impeller 306, of the guide bucket 308 is larger than an inner diameter of one end, close to the third impeller 306, of the guide bucket 308, on one hand, the guide bucket 308 can guide the flow direction of the cooling liquid, so that the clockwise rotation of the third impeller 306 is promoted, on the other hand, the guide bucket 308 can play a role in reducing the flow rate of the fluid, and the cooling liquid can stay on the right side of the guide bucket 308 for a longer time.

Example 3:

referring to fig. 1 and 6, substantially the same as in example 2, further, a specific embodiment for facilitating removal of humidity carried by cold air blown out from the air outlet grooves 401 is specifically added.

Because the air current in the synthesis pipe 2 when carrying out cold and heat exchange produces the drop of water easily at the outer wall of cooling tube 202 to make the air current that gets into in the instrument shell 1 carry partial steam, influence the life of the inside electron device of instrument shell 1 easily, consequently, this LED motormeter with radiating effect still includes: the third support plate 4 is fixedly connected to one end, far away from the air blowing pipe 105, of the comprehensive pipe 2, an air outlet groove 401 is formed in the side wall of the third support plate 4, and the air outlet groove 401 is communicated with the air outlet hole 205; the first fixing plate 402 is fixedly connected to the side wall of the third supporting plate 4, the bottom of the first fixing plate 402 is fixedly connected with a water absorption sponge 404, the bottom of the water absorption sponge 404 is fixedly connected with a second fixing plate 403, and the water absorption sponge 404 is abutted to the third supporting plate 4; the piston assembly 5 is fixedly connected to the inner wall of the instrument shell 1, the power end of the piston assembly 5 is fixedly connected with the second fixing plate 403, and the first spring 501 is fixedly connected between the second fixing plate 403 and the piston assembly 5.

The piston assembly 5 includes a piston cylinder, a piston plate slidably connected within the piston cylinder, and a piston rod fixedly connected to the piston plate.

The power end of the piston assembly 5 is fixedly connected with the second fixing plate 403, that is, the end of the piston rod far away from the piston cylinder is fixedly connected with the second fixing plate 403.

A first spring 501 is fixedly connected between the second fixing plate 403 and the piston assembly 5, that is, the first spring 501 is fixedly connected between the piston cylinder and the second fixing plate 403.

When the instrument shell is used, the air flow blown out from the air outlet groove 401 is processed by the water absorption sponge 404, so that water vapor carried in the air flow can be effectively removed, and the service life of an electronic device in the instrument shell 1 is prolonged.

In the long-term use process, the more the water on the water-absorbing sponge 404 is accumulated, the inner wall of the meter case 1 is fixedly connected with the collecting box 504, the surface of the collecting box 504 is fixedly connected with the liquid discharge pipe 503, the side wall of the third supporting plate 4 is provided with the flow guide groove 502, the flow guide groove 502 inclines towards the liquid discharge pipe 503, and the inner bottom wall of the second fixing plate 403 inclines towards the flow guide groove 502.

In order to facilitate the collection of the moisture in the absorbent sponge 404 in the guide grooves 502, referring to fig. 3, the bottom of the second fixing plate 403 extends into the guide grooves 502, so that a part of the moisture can be prevented from flowing out from the gap between the second fixing plate 403 and the third support plate 4.

The water in the absorbent sponge 404 collects at the bottom of the absorbent sponge 404 under the action of gravity, then flows into the flow guide groove 502 along the inner bottom wall of the second fixing plate 403, and finally collects in the collection box 504 through the drain pipe 503.

Example 4:

referring to fig. 1 to 2 and 6 to 7, substantially the same as in example 3, further, an embodiment in which moisture is pressed on the absorbent sponge 404 is specifically added.

When the moisture that absorbs water sponge 404 goes up the accumulation is more, singly lean on gravity to realize the cleaing away of moisture on absorbing water sponge 404, efficiency is lower, consequently, this LED motormeter with radiating effect still includes: a second supporting pipe 6 fixedly connected to the side wall of the piston assembly 5, wherein the inner wall of the second supporting pipe 6 is connected with a first sliding rod 601 in a sliding manner; the driving plate 602 is fixedly connected to one end, far away from the second support pipe 6, of the first sliding rod 601, the surface of the driving plate 602 is fixedly connected with a first rack 603, and a second spring 706 is fixedly connected between the driving plate 602 and the second support pipe 6; the fourth supporting plates 604 are symmetrically and fixedly connected to the inner wall of the instrument shell 1, a second rotating rod 605 is rotatably connected between adjacent fourth supporting plates 604, a gear 606 is fixedly connected to the outer wall of the second rotating rod 605, and the gear 606 is meshed with the first rack 603; the movable plate 7 is slidably connected to the inner wall of the instrument shell 1, a second rack 701 is fixedly connected to the bottom of the movable plate 7, the second rack 701 is meshed with the gear 606, a fifth supporting plate 702 is fixedly connected to the surface of the second rack 701, a squeezing plate 703 is fixedly connected to the side wall of the fifth supporting plate 702, and the squeezing plate 703 corresponds to the water absorption sponge 404.

The second support pipe 6 is fixedly connected to the side wall of the piston assembly 5, that is, the second support pipe 6 is fixedly connected to the side wall of the piston cylinder.

Referring to fig. 6 to 7, when the moisture on the water absorbing sponge 404 is more, the center of gravity of the water absorbing sponge 404 moves down, so that the piston plate pushes the airflow in the piston cylinder to flow into the second supporting tube 6, under the pushing action of the airflow, the first slide bar 601 moves to the right, the first slide bar 601 drives the driving plate 602 to move, the driving plate 602 drives the first rack 603 to move, the first rack 603 drives the gear 606 to rotate counterclockwise, the gear 606 drives the second rack 701 to move to the left, the second rack 701 drives the fifth supporting plate 702 to move, and the fifth supporting plate 702 drives the extrusion plate 703 to extrude the water absorbing sponge 404, so that the moisture on the water absorbing sponge 404 is squeezed out.

It should be noted that, during the process of lowering the second fixing plate 403, the bottom of the second fixing plate 403 always moves in the guiding groove 502.

Referring to fig. 2 and 6, the first sliding grooves 704 are symmetrically formed in the inner wall of the instrument housing 1, the sliding blocks 705 are symmetrically and fixedly connected to the bottom of the moving plate 7, and the sliding blocks 705 are slidably connected in the first sliding grooves 704, and the sliding blocks 705 can only slide in the first sliding grooves 704, so that the moving range of the moving plate 7 can be limited, and the moving range of the moving plate 7 is prevented from being too large, so that the extrusion force of the extrusion plate 703 on the water absorption sponge 404 exceeds the recovery capability of the water absorption sponge 404, the service life of the water absorption sponge 404 is affected, and the sliding blocks 705 are T-shaped, so that the stability of the moving plate 7 during moving is improved.

In the process of extruding the water-absorbing sponge 404, part of water easily enters the air outlet groove 401, so that the surface of the third support plate 4 is slidably connected with the second slide bar 8, the upper end of the second slide bar 8 is fixedly connected with a limit plate 801, a third spring 802 is fixedly connected between the limit plate 801 and the third support plate 4, wherein a connecting plate 805 is fixedly connected between the limit plate 801 and the second fixing plate 403, the bottom of the second slide bar 8 is fixedly connected with a clamping plate 803, the inner wall of the third support plate 4 is provided with a second sliding groove 804, the second sliding groove 804 is communicated with the air outlet groove 401, and the clamping plate 803 is slidably connected in the second sliding groove 804.

In the process that the second fixing plate 403 descends, the connecting plate 805 can be driven to move downwards, the connecting plate 805 drives the limiting plate 801 to move, the limiting plate 801 drives the second sliding rod 8 to move, and the second sliding rod 8 drives the clamping plate 803 to be clamped in the second sliding groove 804, so that the air outlet groove 401 is closed.

The bottom of the air outlet groove 401 is inclined towards the direction of the water absorption sponge 404, so that the moisture can be prevented from being directly accumulated in the air outlet groove 401.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts of the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The utility model provides a LED motormeter with radiating effect, includes meter housing (1), its characterized in that still includes:

the blower (103) is fixedly connected with the inner wall of the instrument shell (1), the inlet end of the blower (103) is fixedly connected with an air inlet pipe (104), the inlet end of the air inlet pipe (104) is flush with the surface of the instrument shell (1),

the outlet end of the blower (103) is fixedly connected with an air blow pipe (105), and the air blow pipe (105) is positioned in the inner cavity of the instrument shell (1);

the first temperature sensor (101) is fixedly connected to the inner wall of the instrument shell (1), and the first temperature sensor (101) is electrically connected with the blower (103);

and the pressure relief valve (106) is fixedly connected to the surface of the instrument shell (1).

2. The LED automobile instrument with the heat dissipation effect as set forth in claim 1, further comprising:

a first supporting plate (204) fixedly connected with the inner wall of the instrument shell (1), a comprehensive pipe (2) is fixedly connected with the surface of the first supporting plate (204),

the gas blowing pipe (105) is fixedly connected with the comprehensive pipe (2), the inner cavity of the gas blowing pipe (105) is communicated with the inner cavity of the comprehensive pipe (2), and a gas outlet hole (205) is formed in one end, far away from the gas blowing pipe (105), of the comprehensive pipe (2);

a cooling box (201) fixedly connected with the inner wall of the instrument shell (1), a suction pump (203) fixedly connected with the inner wall of the cooling box (201), a cooling pipe (202) fixedly connected with the output end of the suction pump (203),

wherein part of the cooling pipes (202) are positioned in the comprehensive pipe (2), and the outlet ends of the cooling pipes (202) are positioned in the cooling box (201).

3. The LED automobile instrument with the heat dissipation effect as recited in claim 2, wherein a second temperature sensor (102) is fixedly connected to the surface of the instrument shell (1), and the second temperature sensor (102) is electrically connected with a suction pump (203).

4. The LED automobile instrument with the heat dissipation effect as set forth in claim 2, further comprising:

the second support plate (3) is fixedly connected to the inner wall of the comprehensive pipe (2), and the second support plate (3) is fixedly connected with the cooling pipe (202);

the first rotating rod (301) is rotatably connected to the inner wall of the comprehensive pipe (2), and the outer wall of the first rotating rod (301) is fixedly connected with a first impeller (302) and a second impeller (305);

a first supporting pipe (307) fixedly connected to the side wall of the second supporting plate (3), wherein the first impeller (302) is positioned in the first supporting pipe (307), and the outlet end of the gas blowing pipe (105) is aligned with the blades of the first impeller (302);

the guide pipe (303) is fixedly connected to the side wall of the first support pipe (307), and a one-way valve (304) is fixedly connected to the guide pipe (303).

5. The LED automobile instrument with the heat dissipation effect as recited in claim 4, wherein a third impeller (306) is fixedly connected to an outer wall of the first rotating rod (301), the third impeller (306) is located in the cooling pipe (202), a guide bucket (308) is fixedly connected to an inner wall of the cooling pipe (202), and an outlet end of the guide bucket (308) is aligned with a blade of the third impeller (306).

6. The LED automobile instrument with the heat dissipation effect as recited in claim 5, further comprising:

the third supporting plate (4) is fixedly connected to one end, far away from the air blowing pipe (105), of the comprehensive pipe (2), an air outlet groove (401) is formed in the side wall of the third supporting plate (4), and the air outlet groove (401) is communicated with the air outlet hole (205);

the first fixing plate (402) is fixedly connected to the side wall of the third supporting plate (4), the bottom of the first fixing plate (402) is fixedly connected with a water absorption sponge (404), the bottom of the water absorption sponge (404) is fixedly connected with a second fixing plate (403), and the water absorption sponge (404) is abutted against the third supporting plate (4);

fixed connection is in piston assembly (5) of meter box (1) inner wall, the power end and second fixed plate (403) fixed connection of piston assembly (5), first spring (501) of fixedly connected with between second fixed plate (403) and piston assembly (5).

7. The LED automobile instrument with the heat dissipation effect as recited in claim 6, wherein a collection box (504) is fixedly connected to an inner wall of the instrument housing (1), a liquid discharge pipe (503) is fixedly connected to a surface of the collection box (504), a diversion trench (502) is formed in a side wall of the third support plate (4), the diversion trench (502) is inclined towards the liquid discharge pipe (503), and an inner bottom wall of the second fixing plate (403) is inclined towards the diversion trench (502).

8. The LED automobile instrument with the heat dissipation effect as recited in claim 7, further comprising:

a second supporting pipe (6) fixedly connected to the side wall of the piston assembly (5), wherein the inner wall of the second supporting pipe (6) is connected with a first sliding rod (601) in a sliding manner;

the driving plate (602) is fixedly connected to one end, far away from the second supporting pipe (6), of the first sliding rod (601), a first rack (603) is fixedly connected to the surface of the driving plate (602), and a second spring (706) is fixedly connected between the driving plate (602) and the second supporting pipe (6);

the instrument shell is characterized in that the instrument shell is symmetrically and fixedly connected with fourth supporting plates (604) on the inner wall of the instrument shell (1), a second rotating rod (605) is rotatably connected between every two adjacent fourth supporting plates (604), a gear (606) is fixedly connected to the outer wall of the second rotating rod (605), and the gear (606) is meshed with the first rack (603);

a moving plate (7) connected to the inner wall of the instrument shell (1) in a sliding manner, a second rack (701) is fixedly connected to the bottom of the moving plate (7), the second rack (701) is meshed with the gear (606),

the surface of the second rack (701) is fixedly connected with a fifth support plate (702), the side wall of the fifth support plate (702) is fixedly connected with a squeezing plate (703), and the squeezing plate (703) corresponds to the water absorption sponge (404).

9. The LED automobile instrument with the heat dissipation effect as recited in claim 8, wherein the instrument shell (1) is symmetrically provided with first sliding grooves (704) on an inner wall thereof, the bottom of the moving plate (7) is symmetrically and fixedly connected with sliding blocks (705), the sliding blocks (705) are slidably connected in the first sliding grooves (704), and the sliding blocks (705) are T-shaped.

10. The LED automobile instrument with the heat dissipation effect as recited in claim 8, wherein a second sliding rod (8) is slidably connected to the surface of the third support plate (4), a limiting plate (801) is fixedly connected to the upper end of the second sliding rod (8), a third spring (802) is fixedly connected between the limiting plate (801) and the third support plate (4),

the connecting plate (805) is fixedly connected between the limiting plate (801) and the second fixing plate (403), the clamping plate (803) is fixedly connected to the bottom of the second sliding rod (8), a second sliding groove (804) is formed in the inner wall of the third supporting plate (4), the second sliding groove (804) is communicated with the air outlet groove (401), and the clamping plate (803) is slidably connected into the second sliding groove (804).