CN106981942A - A kind of generator heat-proof device and generator - Google Patents

Abstract

The invention relates to the technical field of generators, and discloses a generator heat insulation device, which includes a heat shield assembly arranged on the rear side of the generator, the heat shield assembly includes a support plate and a heat insulation film, and the heat insulation film It is arranged on the outer side of the support plate, and is used for isolating and reflecting the heat outside the generator. The invention also discloses a generator, including the generator heat insulation device mentioned above. The heat shield assembly is arranged on the rear side of the generator, and the heat insulation film is arranged on the outside of the support plate, which can effectively isolate and reflect the radiant heat outside the generator, and prevent the excessively high radiant heat outside the generator from affecting the normal operation of the generator. work and service life. The side of the air guide cover is provided with an air guide gap communicating with the generator, and the air is sucked into the air guide gap and used to cool the generator, which can ensure that the intake temperature of the generator is low and that the heat dissipation of the generator is good.

Description

Generator heat insulation device and generator

technical field

The invention relates to the technical field of generators, in particular to a generator heat insulation device and a generator.

Background technique

Under the trend of miniaturization of generators, the layout of the generator cabin is becoming more and more compact, and the generator may be installed at the heat source of the engine, such as at the side of the exhaust pipe. When the heat radiation outside the generator is too high, it will affect the working performance of the generator, shorten the life of the generator, and even cause the generator to stop directly.

Existing generators generally do not have a separate heat insulation component, or heat insulation is added inside the generator cover, such as patent CN205753743, the design in this patent, by setting the anti-radiation layer inside the heat shield, can Prevent the heat radiation of the generator from harming people and external parts, but it will cause poor heat dissipation inside the generator. At the same time, if the external heat source is too strong, it cannot play a role in heat insulation.

Therefore, it is necessary to propose a new generator heat insulation device, which can block the excessive heat radiation outside the generator, thereby ensuring the normal operation of the generator and prolonging the service life.

Contents of the invention

The object of the present invention is to provide a heat insulation device for a generator and a generator, which solves the problem that the working performance and service life of the generator are affected when the heat radiation outside the generator is too high.

For reaching this purpose, the present invention adopts following technical scheme:

A heat insulation device for a generator, comprising a heat shield assembly arranged on the rear side of the generator, the heat shield assembly includes a support plate and a heat insulation film, and the heat insulation film is arranged on the outside of the support plate for for isolating and reflecting heat external to the generator.

The heat shield assembly is arranged on the rear side of the generator, and the heat insulation film is arranged on the outside of the support plate, which can effectively isolate and reflect the radiant heat outside the generator, and prevent the excessively high radiant heat outside the generator from affecting the generator. Normal work and service life.

As a preferred solution of the above-mentioned generator heat insulation device, the heat shield assembly is provided with installation holes, and the heat shield assembly is connected to the generator through the fixing member passing through the installation holes.

As a preferred solution of the above generator heat insulation device, the heat insulation film includes an aluminum foil layer, a fiber layer and an adhesive layer arranged in sequence from outside to inside.

As a preferred solution of the generator heat insulation device, the support plate has a planar structure or a curved surface structure.

As a preferred solution of the above generator heat insulation device, reinforcing ribs are arranged on the support plate. Strengthen the strength of the support plate.

As a preferred solution of the above generator heat insulation device, the reinforcing rib is arranged on a region of the support plate where the heat insulation film is not arranged.

As a preferred solution of the generator heat insulation device, the support plate is a galvanized steel plate, and the galvanized steel plate is treated with electrophoretic paint. The cost is low, and the electrophoretic paint treatment can enhance the corrosion resistance of the support plate.

A generator, comprising the above-mentioned generator heat insulation device, the generator heat insulation device is installed on the rear cover of the generator, and the side part of the wind guide cover of the generator is provided with a The wind guide gap connected with the machine, the air is sucked through the wind guide gap and used to cool the generator. It can ensure that the intake air temperature of the generator is low and that the heat dissipation of the generator is good.

As a preferred solution of the above-mentioned generator, the outer surface of the rear cover is provided with a mounting column, the generator heat shield device is provided with a mounting hole, and the mounting column is connected to the mounting hole through a fixing piece , so as to fix the heat shield assembly on the generator, and interpose the wind deflector cover between the heat shield assembly and the rear cover.

As a preferred solution of the above-mentioned generator, the rear cover is provided with a hanging angle, and the mounting column is arranged on the hanging angle.

Beneficial effects of the present invention:

In the generator heat insulation device proposed by the present invention, the heat shield assembly is arranged on the rear side of the generator, and the heat insulation film is arranged on the outside of the support plate, which can effectively isolate and reflect the radiant heat outside the generator and prevent the generator from Excessive radiant heat affects the normal operation and service life of the generator.

In the generator proposed by the present invention, the generator heat insulation device is installed on the rear cover of the generator, and the side of the wind guide cover is provided with a wind guide gap communicating with the generator, so as to ensure the insulation of the heat shield assembly and reflect the generator While radiating heat from the outside, the air is sucked through the air guide gap and used to cool the generator, which can ensure that the intake temperature of the generator is low and that the generator can dissipate heat well.

Description of drawings

Fig. 1 is a structural schematic diagram of a generator heat insulation device provided by a specific embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the generator heat insulation device in Fig. 1 installed on the generator rear cover of the present invention;

Fig. 3 is a diagram to be assembled of the generator heat insulation device, the wind guide cover and the rear cover provided by the specific embodiment of the present invention;

Fig. 4 is an assembly diagram of the generator heat insulation device and the generator provided by the specific embodiment of the present invention.

in:

1. Generator; 11. Air guide cover; 12. Back cover; 111. Air guide gap; 121. Mounting column; 122. Hanging angle;

2. Heat shield assembly; 21. Support plate; 22. Heat insulation film; 211. Reinforcing rib; 212. Mounting hole.

detailed description

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

The embodiment of the present invention protects a generator heat insulation device, as shown in Figure 1 and Figure 2, the generator heat insulation device includes a heat shield assembly 2 arranged on the rear side of the generator 1, and the heat shield assembly 2 includes a support plate 21 and a heat insulating film 22 , the heat insulating film 22 is arranged on the outside of the support plate 21 for isolating and reflecting the heat outside the generator 1 .

A mounting hole 212 is provided on the heat shield assembly 2 , and the heat shield assembly 2 is connected to the generator 1 through the mounting hole 212 through a fixing piece. The heat shield assembly 2 is provided with a plurality of installation holes 212, and the arrangement of the plurality of installation holes 212 securely fixes the heat shield assembly 2 on the generator 1 to prevent the heat shield assembly 2 from falling off. In this embodiment, three installation holes 212 are provided in the heat shield assembly 2. On the premise that the heat shield assembly 2 does not interfere with the wind guide cover 11, the three installation holes 212 are circumferentially distributed on the heat shield assembly 2. At the edge, the heat shield assembly 2 is fixed on the generator 1 by a fixing piece. Preferably, the above-mentioned fixing member may be a screw or a bolt.

Specifically, as shown in FIG. 1 , reinforcing ribs 211 are provided on the support plate 21 to strengthen the strength of the support plate 21 . Preferably, the reinforcing ribs 211 are arranged on the area of the support plate 21 where the heat insulating film 22 is not provided, so as to prevent the heat insulating film 22 from being difficult or not tightly attached due to the setting of the reinforcing ribs 211 . The support plate 21 can be a plane structure, or the support plate 21 can be a curved structure, so as to meet different installation requirements. In this embodiment, according to the requirements of the components of the generator 1, the support plate 21 is configured as a curved surface structure, so that there is a certain space inside the support plate 21, and sufficient space is reserved for further installation, and the scope of application is wider. Specifically, the shape of the support plate 21 needs to be set according to the actual use situation, so as to meet the actual installation requirements. In this embodiment, the support plate 21 is a galvanized steel plate, which is relatively low in cost, and the electrophoretic paint treatment is performed on the galvanized steel plate to enhance the corrosion resistance of the support plate 21 .

The heat insulation film 22 includes an aluminum foil layer, a fiber layer and an adhesive layer arranged in sequence from outside to inside. The heat insulation film 22 is adhered to the support plate 21 through the adhesive layer. In this embodiment, the adhesive layer is a high-temperature-resistant high-viscosity glue, and the heat insulation film 22 is firmly adhered to the support plate 21 to prevent the heat insulation film from 22 fall off in high temperature environment.

The heat insulation device protected by the invention can be applied to generators on automobiles, and can also be applied to generators of other devices.

In the present invention, the heat shield assembly 2 is arranged on the rear side of the generator 1, and the heat insulation film 22 is arranged on the outside of the support plate 21, which can effectively isolate and reflect the radiant heat outside the generator 1 and prevent the outside of the generator 1 from being too high. The radiated heat affects the normal operation and service life of the generator 1.

The embodiment of the present invention also protects a generator 1. As shown in FIG. 3 and FIG. The side portion of the air guide cover 11 of the machine 1 is provided with an air guide gap 111 communicated with the generator 1, and the air is sucked through the air guide gap 111 to cool the generator 1. Since the rear cover 12 of the generator 1 is provided with a Generator heat insulation device, the wind guide gap 111 of the wind guide cover 11 is arranged on its side, while ensuring that the heat shield assembly 2 isolates and reflects the radiant heat outside the generator 1, it can ensure the progress of the generator 1. The air temperature is low and can ensure good heat dissipation of the generator 1.

Specifically, a mounting column 121 is provided on the outer surface of the rear cover 12 of the generator 1, and the mounting column 121 protrudes away from the generator 1. 212 are connected by a fixing piece, and sandwich the air guide cover 11 between the heat shield assembly 2 and the rear cover 12 . In this embodiment, three mounting posts 121 are arranged on the rear cover 12, and the heat shield assembly 2 is connected to the rear cover 12 through a fixing piece, so that the heat shield assembly 2 is installed on the rear cover 12 of the generator 1 ( As shown in Figure 3 and Figure 4), the above-mentioned fixing member can be a screw or a bolt. The wind guide cover 11 is also fixed on the rear cover 12 by bolts on the rectifying bridge, so that the fixing of the wind guide cover 11 is more stable.

When the rear cover 12 of the generator 1 is provided with a hanging angle 122, the hanging angle 122 of the generator 1 is provided with a mounting column 111, and the mounting column 111 is connected with the mounting hole 212 through a fixing piece to fix the heat shield assembly On the generator 1, specifically, as shown in FIG. 3 , a mounting post 121 is provided on the hanging angle 122, the mounting hole 212 corresponds to the position of the above-mentioned mounting post 121, and the other two mounting posts 121 are connected to the wind guide Under the premise of avoiding interference, the cover 11 is evenly distributed on the rear cover 12 in the circumferential direction as far as possible, and the positions of the mounting holes 212 are adapted to the positions of the mounting posts 121 .

When the hanging angle 122 is not set on the generator 1, on the premise of avoiding interference with the wind guide cover 11, the installation column 121 is selected through calculation to meet the best vibration conditions to install the installation column 121, the installation hole 212 and the installation The positions of the columns 121 are set correspondingly.

The generator 1 of the present invention includes the above-mentioned generator heat insulation device, which can effectively isolate and reflect the radiant heat outside the generator 1, and prevent the excessively high radiant heat outside the generator 1 from affecting the normal operation and service life of the generator 1 . The side of the air guide cover 11 is provided with an air guide gap 111 communicated with the generator 1, and the air is sucked by the air guide gap 111 to cool the generator 1, which can ensure that the intake temperature of the generator 1 is low and can ensure Generator 1 has good heat dissipation. In practical applications, when the generator 1 is installed on the exhaust side of the engine, the external heat radiation of the generator 1 is relatively high. If no heat insulation device is installed on the generator, the generator 1 will be directly exposed to the ambient temperature of 170°C In the above, generator 1 cannot work normally, but after installing the heat insulation device, the heat insulation device isolates and reflects the radiant heat outside the generator 1, the working environment temperature of generator 1 drops to 107°C, and the generator 1 can work normally.

Note that the above are only preferred embodiments of the invention. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the present invention. The scope is determined by the scope of the appended claims.

Claims (10)

1. a kind of generator heat-proof device, it is characterised in that including the heat shield assemblies (2) being arranged on rear side of generator (1), institute Stating heat shield assemblies (2) includes supporting plate (21) and thermal isolation film (22), and the thermal isolation film (22) is arranged on the supporting plate (21) Outside, the heat outside for isolating and reflecting the generator (1).

2. generator heat-proof device according to claim 1, it is characterised in that peace is set on the heat shield assemblies (2) Fill hole (212), heat shield assemblies (2) are connected on the generator (1) through the mounting hole (212) by fixture.

3. generator heat-proof device according to claim 1, it is characterised in that the thermal isolation film (22) is included from outside to inside Aluminium foil layer, fibrous layer and the mucigel set gradually.

4. generator heat-proof device according to claim 1, it is characterised in that the supporting plate (21) be planar structure or Curved-surface structure.

5. generator heat-proof device according to claim 1, it is characterised in that reinforcement is set on the supporting plate (21) (211)。

6. generator heat-proof device according to claim 5, it is characterised in that the reinforcement (211) is arranged on described The region for being not provided with the thermal isolation film (22) of supporting plate (21).

7. generator heat-proof device according to claim 6, it is characterised in that the supporting plate (21) is galvanized steel plain sheet, Electrophoretic paint processing is carried out to the galvanized steel plain sheet.

8. a kind of generator, it is characterised in that including any described generator heat-proof devices of claim 1-7, the generating Machine heat-proof device is arranged on the bonnet (12) of the generator (1), and the sidepiece of the wind-guiding cover cap (11) of the generator (1) is set The wind-guiding gap (111) communicated with the generator (1) is equipped with, air is used to cool down after the wind-guiding gap (111) suction The generator (1).

9. generator according to claim 8, it is characterised in that be provided with mounting post on the lateral surface of the bonnet (12) (121) mounting hole (212), the mounting post (121) and the mounting hole, are provided with the heat-insulated closure assembly of the generator (212) it is connected by fixture, heat shield assemblies (2) is fixed on the generator (1), and by wind-guiding cover cap (11) It is folded between the heat shield assemblies (2) and bonnet (12).

10. generator according to claim 9, it is characterised in that extension angle (122), institute are provided with the bonnet (12) State and be provided with the mounting post (121) on extension angle (122).