Automobile generator end cover with heat insulation structure

Abstract

The utility model belongs to the technical field of generators, and particularly provides an automobile generator end cover with a heat insulation structure, which comprises a shell. A heat insulation module is arranged in the shell; the heat insulation module is located in the middle of the inner side of the shell and fixedly connected with the shell. A step-shaped cavity is formed in the heat insulation module and used for fixedly installing a bearing. The heat insulation module is arranged in the shell, the heat insulation module is formed by combining the heat reflection layer, the inner container and the heat insulation layer, and meanwhile the vacuum heat insulation cavity is further formed in the inner container. Through the combined action of the heat reflecting layer, the vacuum heat insulation cavity and the heat insulation layer, heat on the generator shell can be prevented from being conducted to the bearing in the end cover, and therefore the problem that the service life of the bearing is shortened due to the heat can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to generator technical field, concretely relates to a car generator end cover with heat insulation structure. BACKGROUND

[0002] The generator is the mechanical equipment that will mechanical energy be converted into electric energy, it is driven by water turbine, steam turbine, diesel engine or other power machinery, will the energy that water flow, air flow, fuel combustion or atomic nucleus fission generates be converted into mechanical energy transmission to the generator, again by generator conversion electric energy, the generator is at work, its stator, rotor will produce a large amount of heat, these heat is scattered to the shell of generator by the airflow of fan blade on motor shaft, when heat conduction reaches the end cover of generator front end, the end cover of motor and bearing inner cover also will conduct a large amount of heat, causes the temperature rise of bearing contacted with it to be too high, influences the service life of bearing, reduces the reliability of motor. UTILITY MODEL CONTENT

[0003] To solve the above problem, the utility model provides a car generator end cover with heat insulation structure, aims at solving the problem in above -mentioned background art.

[0004] To realize above -mentioned purpose, the utility model proposes following technical scheme:

[0005] A car generator end cover with heat insulation structure, including the casing, the heat insulation module is located in the casing, and the heat insulation module is fixedly connected with the casing, the heat insulation module is internally stored with the stepped cavity, is used for fixedly installing the bearing.

[0006] Further, the heat insulation module includes the inner bag, the heat reflection layer and the heat insulation layer, the inner bag is located in the middle part of the casing, and the inner bag is fixedly connected with the casing, the vacuum heat insulation cavity is arranged in the inner bag, the heat reflection layer is arranged on the outer side surface of the inner bag, and the heat reflection layer is fixedly connected with the inner bag, and the heat insulation layer is arranged on the inner side surface of the inner bag, and the heat insulation layer is fixedly connected with the inner bag.

[0007] Further, a plurality of guide grooves are formed on the inner wall of the casing in the circumferential direction, and the plurality of guide grooves are arranged in an inclined manner to form a spiral airflow guide channel.

[0008] Further, a sealing groove is formed on the end face of the inner bag, and a sealing gasket is arranged in the sealing groove.

[0009] Further, the casing is provided with a mounting handle on both sides, and the mounting handle is fixedly connected with the casing, so as to facilitate the disassembly and assembly operation of the end cover and the generator body.

[0010] Further, a plurality of mounting holes are formed on the end face of the casing in the circumferential direction, and a fixing bolt is inserted into the mounting hole.

[0011] The technical scheme of the utility model has the beneficial effects that:

[0012] The utility model discloses a heat insulation module is arranged in the shell, and the heat insulation module is combined by heat reflection layer, inner bag and heat insulation layer, simultaneously, the inner bag still is provided with vacuum heat insulation cavity in the inside, through the joint action of heat reflection layer, vacuum heat insulation cavity and heat insulation layer, the heat on the generator shell can be avoided to be conducted to the bearing in the end cover inside, thereby the problem of the bearing life reduction caused by heat can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment, and combining with the drawings, the utility model is further detailed.

[0014] Fig. 1 It is the structure schematic diagram of automobile generator end cover with heat insulation structure of the utility model.

[0015] Fig. 2 It is the automobile generator end cover with heat insulation structure plan view.

[0016] Fig. 3 It is the automobile generator end cover with heat insulation structure section view.

[0017] Wherein, 1-shell;11-guiding groove;12-mounting handle;13-mounting hole;2-heat insulation module;21-heat reflection layer;22-inner bag;221-vacuum heat insulation cavity;23-heat insulation layer;24-sealing pad. SPECIFIC EMBODIMENT

[0018] The technical scheme of the utility model is further explained below in combination with the drawings, but is not limited to this, any modification or equivalent replacement to the technical scheme of the utility model, without departing from the spirit and scope of the technical scheme of the utility model, should be covered in the protection scope of the utility model.

[0019] For example, Figs. 1-3The utility model provides a kind of automobile generator end cover with heat insulation structure, including shell, heat insulation module 2 is arranged in the middle position of shell, heat insulation module 2 is fixedly connected with shell, is made by integrated die casting;Heat insulation module 2 is three-layer structure, is combined by the outermost heat reflecting layer 21, the inner bag 22 of middle layer and the innermost heat insulation layer 23, wherein, the inner bag 22 is the main structure of heat insulation module 2, the inner bag 22 is fixedly connected with shell, and the inner bag 22 middle part has the cavity that is gradient, for installing bearing;Vacuum heat insulation cavity 221 is further provided in the inner bag 22 middle part, for the barrier action formed by the transmission of heat;Heat reflecting layer 21 is film-like, is nanometer aluminium oxide coating containing metal foil, is located on the outer side of inner bag 22, is tightly attached on the outer wall of inner bag 22 by bonding or magnetic attraction, for the heat transferred from generator shell is reflected and isolated, heat insulation layer 23 is aerogel heat insulation layer, thickness is 2 millimeters, is located on the inner side of inner bag 22, is fixed on the inner wall of inner bag 22 by high-temperature adhesive, and makes its coverage area reach more than 90%, for further isolating the heat transferred from generator shell, to avoid excessive heat to cause the influence of bearing.

[0020] Preferably, the upper end surface of the inner bag 22 is provided with a sealing groove, and a sealing gasket 24 is installed in the sealing groove. The sealing gasket 24 is made of heat-resistant elastic material and is used to seal the installation position of the bearing.

[0021] Preferably, one mounting handle 12 is fixedly connected to each side of the shell to facilitate the installation and removal of the generator end cover. A plurality of guide grooves 11 are provided on the outer walls of the two sides of the shell. The plurality of guide grooves 11 are arranged in a circumferential direction and are inclined to form a spiral airflow guide channel. A plurality of through holes are also provided on the bottom surface of the shell and arranged in a circumferential direction. The through holes are used in cooperation with the spiral airflow guide channel to improve the heat dissipation effect of the generator end cover.

[0022] Preferably, one mounting hole 13 is provided at each corner of the shell. A fixing bolt is inserted into the mounting hole 13 to mount the end cover on the generator.

[0023] The utility model sets heat insulation module 2 in the shell 1, and heat insulation module 2 is combined by heat reflecting layer 21, inner bag 22 and heat insulation layer 23, simultaneously, inner bag 22 is also provided with vacuum heat insulation cavity 221 inside;Through the combined action of heat reflecting layer 21, vacuum heat insulation cavity 221 and heat insulation layer 23, heat conduction on the generator shell to the bearing inside the end cover can be avoided, so that the problem of bearing life reduction caused by heat can be avoided.

[0024] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the spirit and scope of the application as described in the claims. For example, the relative dimensions of the various elements can be altered, the size, shape, and proportions of the various elements can be changed, and the parameters, materials, and colors can be varied. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the positions of elements can be reversed or otherwise changed, and the nature or number of elements can be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed unless otherwise specified or clearly indicated by the context. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described in the specification. The application extends to encompass all such modifications, alterations, and permutations of the application as fall within the scope of the appended claims.

[0025] In addition, for purposes of brevity of description, and not by way of limitation, full structural details of any of the elements shown in the various figures can not be described. Also, for purposes of brevity of description, and not by way of limitation, the term "coupled" means a direct connection between elements, or an indirect connection through one or more intervening elements.

[0026] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0027] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application. Although the present application is described in detail with reference to the preferred embodiments, persons of ordinary skill in the art should understand that the technical solutions of the present application can be modified or equivalent replaced without departing from the spirit and scope of the technical solutions of the present application, and all of them should be included in the scope of the claims of the present application.

Claims

1. An automobile generator end cover having a heat insulating structure, characterized by comprising: Including shell (1);The shell (1) is equipped with heat insulation module (2) in;The heat insulation module (2) is located in the middle part of the inside of the shell (1), and is fixedly connected with the shell (1);The heat insulation module (2) has a stepped cavity inside, for installing bearing.

2. The automobile generator end cover having a heat shield structure according to claim 1, characterized by, The heat insulation module (2) includes inner container (22), heat reflection layer (21) and heat insulation layer (23);The inner container (22) is arranged in the middle part of the shell (1), and is fixedly connected with the shell (1);The inner container (22) is provided with a vacuum heat insulation cavity (221) inside;The heat reflection layer (21) is arranged on the outer side of the inner container (22), and is fixedly connected with the inner container (22);The heat insulation layer (23) is arranged on the inner side of the inner container (22), and is fixedly connected with the inner container (22).

3. The automobile generator end cover having a heat shield structure according to claim 1, characterized by, The inner wall of the shell (1) is provided with a plurality of guide grooves (11) along the circumference;Multiple guide grooves (11) are arranged in an inclined manner to form a spiral airflow guide channel.

4. The automobile generator end cover having a heat shield structure according to claim 2, characterized by, The end face of the inner container (22) is provided with a sealing groove;The sealing groove is provided with a sealing gasket (24).

5. The automobile generator end cover having a heat shield structure according to claim 1, characterized by, The both sides of the shell (1) are provided with mounting handle (12);The mounting handle (12) is fixedly connected with the shell (1), facilitating the disassembly and assembly of the end cover and the generator body.

6. The automobile generator end cover having a heat shield structure according to claim 1, characterized by, The end face of the shell (1).

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