CN214201999U

CN214201999U - High-temperature-resistant backlight source for intelligent electric meter

Info

Publication number: CN214201999U
Application number: CN202120105885.7U
Authority: CN
Inventors: 鲁玉根
Original assignee: Shenzhen Xinbaoliang Electronic Technology Co ltd
Current assignee: Shenzhen Xinbaoliang Electronic Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-09-14
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses a high temperature resistant backlight for smart electric meter, including outer set casing, backlight body and heat dissipation mechanism, the bottom joint of outer set casing has the bottom plate, a plurality of constant head tanks that are equidistant distribution are seted up at the top of bottom plate, and the top joint of bottom plate has the backlight body, be connected with the light guide plate between the inner chamber of backlight body and outer set casing, heat dissipation mechanism is installed at the top of bottom plate, heat dissipation mechanism includes heat dissipation conduction pole and the grafting axle of a plurality of joints in corresponding the constant head tank, adjacent two it has the grafting axle, a plurality of to peg graft and all be equipped with two metal connecting plates that are symmetric distribution in the periphery of grafting axle. This a high temperature resistant backlight for smart electric meter can realize laminating the heat dissipation through heat dissipation conduction pole when fixed to the installation of backlight body to after extending, through the supplementary heat dissipation of exterior space, improve high temperature resistance.

Description

High-temperature-resistant backlight source for intelligent electric meter

Technical Field

The utility model belongs to the technical field of the ammeter heat dissipation protection, concretely relates to a high temperature resistant backlight for smart electric meter.

Background

The intelligent electric meter is an intelligent terminal of an intelligent power grid, and has intelligent functions such as bidirectional multi-rate metering function, user side control function, bidirectional data communication function of multiple data transmission modes, electricity larceny prevention function and the like in order to adapt to the use of the intelligent power grid and new energy besides the metering function of the basic electricity consumption of the traditional electric meter. The backlight source is a light source located at the back of the liquid crystal display, and the light emitting effect of the backlight source directly influences the visual effect of the liquid crystal display module. The liquid crystal display does not emit light itself, and it displays a pattern or its result of modulating light. In long-time use, the ammeter is in operating condition always to make all the other parts work heat can conduct for the backlight in the ammeter, and then make the backlight because expend with heat and contract with cold take place deformation, and then influence visual effect, so need improve high temperature resistance, increase of service life.

Therefore, in order to meet the current situation, a high-temperature resistant backlight source for a smart meter needs to be designed and produced to meet the actual use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant backlight for smart electric meter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant backlight source for an intelligent electric meter comprises an outer fixing shell, a backlight source body and a heat dissipation mechanism, wherein a bottom plate is clamped at the bottom of the outer fixing shell, a plurality of positioning grooves distributed at equal intervals are formed in the top of the bottom plate, the backlight source body is clamped at the top of the bottom plate, a light guide plate is connected between the backlight source body and an inner cavity of the outer fixing shell, and the heat dissipation mechanism is installed at the top of the bottom plate;

the heat dissipation mechanism comprises a plurality of heat dissipation conducting rods and inserting shafts which are connected in corresponding positioning grooves in a clamped mode, the heat dissipation conducting rods are adjacent to each other, the inserting shafts are inserted between the heat dissipation conducting rods in a plugged mode, the inserting shafts are arranged on the periphery of the inserting shafts in a sleeved mode, two metal connecting plates which are symmetrically distributed are arranged on one sides, close to the inserting shafts, of the two corresponding metal connecting plates, two connecting seats which are symmetrically distributed are welded on one sides, close to the inserting shafts, of the two corresponding metal connecting plates, the connecting seats are connected on the periphery, corresponding to the inserting shafts, of the connecting seats in a clamped mode, and one sides, far away from the inserting shafts, of the metal connecting plates are connected with an external connecting belt.

Preferably, an L-shaped fixing groove is formed in an inner cavity of the outer fixing shell, four clamping fixing pieces distributed in a rectangular array are clamped in the inner cavity of the L-shaped fixing groove, a positioning frame is integrally formed at the top of the bottom plate, a plurality of connecting bolts distributed in the rectangular array are screwed on the outer fixing shell, and the connecting bolts sequentially penetrate through the outer fixing shell, the clamping fixing pieces and the positioning frame.

Preferably, one side of the outer wall of the heat dissipation conducting rod, which is far away from the backlight body, is integrally formed with a plurality of heat dissipation fins distributed at equal intervals, one side of the outer wall of the heat dissipation conducting rod, which is close to the backlight body, is nested with the heat conduction copper plate, and the heat conduction copper plate is attached to the bottom of the backlight body.

Preferably, a heat dissipation cavity is arranged in the inner cavity of the heat dissipation conduction rod, sealing plugs are inserted into two ends of the inner cavity of the heat dissipation cavity, and an extension heat dissipation rod is clamped on one side, far away from the heat dissipation conduction rod, of each sealing plug.

Preferably, two adjacent metal connecting plates are provided with a U-shaped clamping groove on one side close to the external connecting belt, the external connecting belt is clamped in an inner cavity of the U-shaped clamping groove, two positioning screws which are symmetrically distributed are inserted into the metal connecting plates, and the positioning screws penetrate through the metal connecting plates and the external connecting belt.

The utility model discloses a technological effect and advantage: according to the high-temperature-resistant backlight source for the intelligent ammeter, the plurality of heat dissipation conducting rods are inserted between the bottom plate and the backlight source body, so that the backlight source body is indirectly communicated with an external space, and the heat dissipation and high-temperature-resistant effects are improved; the heat dissipation cavity and the sealing plug are arranged, so that the connection extension of the connection extension heat dissipation rod can be realized, the installation is convenient, meanwhile, water cooling and air cooling equipment can be added, the use space is conveniently enlarged to cool the extension heat dissipation rod, and the cooling protection of the backlight body is driven; through being equipped with spiale and external connection area, when conveniently further improving the radiating efficiency, conveniently carry out the whole installation apolegamy use, this a high temperature resistant backlight for smart electric meter can realize laminating the heat dissipation through heat dissipation conduction pole when fixed to the installation of backlight body to after the extension, through the supplementary heat dissipation of exterior space, improve high temperature resistance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the outer fixing case of the present invention;

fig. 3 is a schematic structural view of the heat dissipation conduction rod of the present invention.

In the figure: the backlight module comprises an outer fixing shell 1, a bottom plate 2, a backlight source body 3, a light guide plate 4, a clamping fixing piece 5, a heat dissipation mechanism 6, a heat dissipation conducting rod 7, an insertion shaft 8, a metal connecting plate 9, a connecting seat 10, an outer connecting band 11, heat dissipation fins 12, a heat dissipation cavity 13 and a positioning frame 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a high temperature resistant backlight for smart electric meter as shown in fig. 1-3, including external fixation shell 1, backlight body 3 and heat dissipation mechanism 6, the bottom joint of external fixation shell 1 has bottom plate 2, the top of bottom plate 2 is seted up a plurality of constant spacing distribution's constant head tank, and the top joint of bottom plate 2 has backlight body 3, and backlight body 3 can select the backlight board that has LED lamp (not shown in the figure) of conventional model for luminous irradiation liquid crystal display, thereby realize illuminating effect, be connected with light guide plate 4 between the inner chamber of backlight body 3 and external fixation shell 1, accomplish the fixed of backlight body 3 and leaded light and use, heat dissipation mechanism 6 is installed at the top of bottom plate 2;

heat dissipation mechanism 6 includes heat dissipation conduction pole 7 and the grafting axle 8 of a plurality of joints in corresponding the constant head tank, adjacent two it has grafting axle 8 to peg graft between the heat dissipation conduction pole 7, and grafting axle 8 is used for increasing heat radiating area, and the optional dismouting of carrying on is used, and is a plurality of all be equipped with two metal connecting plate 9 that are the symmetric distribution in the periphery of grafting axle 8, and two metal connecting plate 9 that correspond all weld two connecting seats 10 that are the symmetric distribution near one side of grafting axle 8, and two connecting seat 10 joints are fixed in grafting axle 8 periphery, and cooperation positioning screw presss from both sides tightly, conveniently connects and demolishs, adjacent two connecting seat 10 joint is in corresponding in the periphery of grafting axle 8, one side that metal connecting plate 9 kept away from to insert the axle 8 is connected with external connection area 11.

Specifically, an L-shaped fixing groove is formed in an inner cavity of the outer fixing shell 1, four clamping fixing pieces 5 which are distributed in a rectangular array are clamped in the inner cavity of the L-shaped fixing groove, a positioning frame 14 is arranged at the top of the bottom plate 2, a plurality of connecting bolts which are distributed in the rectangular array are screwed on the outer fixing shell 1, and the connecting bolts sequentially penetrate through the outer fixing shell 1, the clamping fixing pieces 5 and the positioning frame 14, so that clamping and fixing can be conveniently carried out while the whole connection is fixed.

Specifically, one side integrated into one piece that backlight body 3 was kept away from to heat dissipation conduction pole 7 outer wall has a plurality of heat radiation fins 12 that are equidistant distribution, and one side nested that the heat conduction copper is close to backlight body 3 to heat dissipation conduction pole 7 outer wall, and the bottom laminating of heat conduction copper and backlight body 3, the heat dissipation of being convenient for of laminating improves heat-resisting effect inside.

Specifically, heat dissipation cavity 13 has been seted up in the inner chamber of heat dissipation conduction pole 7, and the inner chamber both ends of heat dissipation cavity 13 all peg graft and have the sealing plug (not drawn in the picture), and the sealing plug keeps away from one side joint of heat dissipation conduction pole 7 and have the extension radiating rod for when sealed, can add the coolant liquid in heat dissipation cavity 13, improve the radiating effect, and through outside delay radiating rod, can conveniently carry out indirect heat dissipation from the outside.

Specifically, adjacent two U-shaped centre gripping groove has all been seted up to one side that metal connecting plate 9 is close to external connection area 11, and external connection area 11 joint in the inner chamber in U-shaped centre gripping groove, it has two positioning screw that are symmetric distribution to peg graft on metal connecting plate 9, and positioning screw runs through metal connecting plate 9 and external connection area 11, and metal connecting plate 9 can adopt iron system or the good metal of copper heat dissipation, and the realization is connected two metal connecting plates 9 and is pressed from both sides tightly, accomplishes the fixed to external connection area 11, easy to assemble.

Working principle, this a high temperature resistant backlight for smart electric meter, during the use, fix heat dissipation conduction pole 7 at the downside of backlight body 3, then press from both sides outer set shell 1 to light guide plate 4 tightly, and be connected with bottom plate 2, accomplish fixedly, then through the sealing plug in heat dissipation cavity 13, the extension heat dissipation pole can be connected, thereby change radiating length, and can fill certain coolant in the inner chamber of heat dissipation cavity 13, the radiating efficiency is improved, and increase heat conduction speed through heat radiation fins 12, outside metal connecting plate 9 and external connection area 11 of rethread, can be through outside fan, outside indirect heat dissipation is carried out to the coolant liquid, thereby guarantee backlight body 3's high temperature resistance, improve holistic life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high temperature resistant backlight for smart electric meter, includes external fixation shell (1), backlight body (3) and heat dissipation mechanism (6), its characterized in that: a bottom plate (2) is clamped at the bottom of the outer fixing shell (1), a plurality of positioning grooves distributed at equal intervals are formed in the top of the bottom plate (2), a backlight body (3) is clamped at the top of the bottom plate (2), a light guide plate (4) is connected between the backlight body (3) and the inner cavity of the outer fixing shell (1), and a heat dissipation mechanism (6) is installed at the top of the bottom plate (2);

heat dissipation mechanism (6) include heat dissipation conduction pole (7) and plug shaft (8) of a plurality of joints in corresponding the constant head tank, adjacent two it has plug shaft (8), a plurality of to peg graft between heat dissipation conduction pole (7) all be equipped with two metal connecting plate (9) that are the symmetric distribution in the periphery of plug shaft (8), and two metal connecting plate (9) that correspond all weld one side that are close to plug shaft (8) have two connecting seats (10) that are the symmetric distribution, adjacent two connecting seat (10) joint is in the periphery that corresponds plug shaft (8), one side that plug shaft (8) were kept away from in metal connecting plate (9) is connected with external connection area (11).

2. The high temperature resistant backlight source for the smart meter according to claim 1, wherein: the utility model discloses a clamping device for the connection of outer set casing, including outer set casing (1), the inner chamber of outer set casing (1) has seted up L shape fixed slot, and has the joint of four joint stationary blades (5) that are the rectangle array and distribute in the inner chamber of L shape fixed slot, the top integrated into one piece of bottom plate (2) has locating frame (14), and the spiro union has a plurality of connecting bolt that are the rectangle array and distribute on outer set casing (1), and connecting bolt runs through outer set casing (1), joint stationary blade (5) and locating frame (14) in proper order.

3. The high temperature resistant backlight source for the smart meter according to claim 1, wherein: one side integrated into one piece that backlight body (3) were kept away from to heat dissipation conduction pole (7) outer wall has a plurality of heat radiation fins (12) that are equidistant distribution, and one side nested that heat dissipation conduction pole (7) outer wall is close to backlight body (3) has the heat conduction copper, and the bottom of heat conduction copper and backlight body (3) is laminated mutually.

4. The high temperature resistant backlight source for the smart meter according to claim 1, wherein: the heat dissipation device is characterized in that a heat dissipation cavity (13) is arranged in the inner cavity of the heat dissipation conducting rod (7), sealing plugs are inserted into two ends of the inner cavity of the heat dissipation cavity (13), and an extension heat dissipation rod is clamped on one side, far away from the heat dissipation conducting rod (7), of each sealing plug.

5. The high temperature resistant backlight source for the smart meter according to claim 1, wherein: two adjacent metal connecting plate (9) are close to one side in external connection area (11) and all seted up the U-shaped centre gripping groove, and external connection area (11) joint in the inner chamber in U-shaped centre gripping groove, it has two positioning screw that are symmetric distribution to peg graft on metal connecting plate (9), and positioning screw runs through metal connecting plate (9) and external connection area (11).