CN213484765U

CN213484765U - Automatic control electronic rectifier for film projection

Info

Publication number: CN213484765U
Application number: CN202022893017.8U
Authority: CN
Inventors: 赵磊; 姚磊
Original assignee: Beijing Enlight Pictures Co ltd
Current assignee: Beijing Enlight Pictures Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-06-18
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to the technical field of electronic rectifiers, in particular to an automatic control electronic rectifier for film projection, which comprises a rectifier shell, wherein the left side wall and the right side wall of the rectifier shell are symmetrically provided with heat dissipation convex plates, the end part of the rectifier shell is connected with a rectifier upper cover, the end surface of the rectifier upper cover is provided with an upper heat dissipation convex plate, the bottom side wall inside the rectifier shell is provided with a heat conduction layer, the end surface of the heat conduction layer is provided with a circuit board, the bottom of the rectifier shell is connected with a fan accommodating layer, the inside of the fan accommodating layer is provided with a forced heat dissipation cavity, the inside of the forced heat dissipation cavity is provided with a micro motor, and the heat dissipation fan carries out forced heat dissipation under the effect that the micro motor is electrically connected through a connecting mode between a lead and a power supply, thereby solving the problem, the problem of low heat dissipation efficiency is solved, thereby enhancing the heat dissipation effect of the device and increasing the usability of the device.

Description

Automatic control electronic rectifier for film projection

Technical Field

The utility model relates to an electronic rectifier technical field specifically is a film projection uses automatic control electronic rectifier.

Background

A rectifier is a rectifying device, in short a device for converting Alternating Current (AC) into Direct Current (DC), which has two main functions, first to convert Alternating Current (AC) into Direct Current (DC), which is filtered and supplied to a load or to an inverter, and second to supply a charging voltage to a battery, so that it simultaneously functions as a charger, the rectifier being made of vacuum tubes, ignitors, solid silicon semiconductor diodes, mercury arcs, etc., whereas a set of devices for converting direct current into alternating current, called "inverters", in a standby UPS only needs to charge the battery and does not need to supply power to the load, so that only a charger, in a double conversion UPS, supplies power to both the inverter and the battery, called rectifier/charger, generates heat during the operation of the rectifier elements, the performance and the service life of the rectifier are influenced by long-term heat accumulation, and the conventional rectifier can only perform passive heat dissipation through the heat conduction plate in the use process, so that the heat dissipation efficiency is low.

There is therefore a need for a self-controlled electronic rectifier for film projection that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a film is automatic control electronic rectifier for projection 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:

the utility model provides a film is automatic control electronic rectifier for projection, includes the rectifier shell, the left and right sides wall symmetry of rectifier shell is equipped with the heat dissipation flange, the end connection of rectifier shell has the rectifier upper cover, the terminal surface of rectifier upper cover is equipped with the heat dissipation flange, the inside end lateral wall of rectifier shell is equipped with the heat-conducting layer, the terminal surface of heat-conducting layer is equipped with the circuit board, the bottom of rectifier shell is connected with the fan and accomodates the layer, the inside that the layer was accomodate to the fan is equipped with forces the heat dissipation chamber, the inside in forcing the heat dissipation chamber is equipped with micro motor, micro motor's bottom is connected with radiator fan, the bottom that the layer was accomodate.

Preferably, the rectifier shell, the heat dissipation convex plate, the rectifier upper cover and the upper heat dissipation convex plate are all made of aluminum alloy.

Preferably, the heat conducting layer is made of silica gel.

Preferably, the circuit board is electrically connected with the power supply through a wire, and the micro motor is electrically connected with the power supply through a wire.

Preferably, the heat dissipation fan is rotatably connected with the micro motor through a rotating shaft.

Preferably, the micro motor, the heat dissipation fan and the air outlet are respectively and symmetrically provided with the same components by taking the bottom center of the fan accommodating layer as an axis.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the radiator fan who sets up, the effect that the connected mode between micro motor passes through wire and power makes radiator fan force the heat dissipation for electric connection down to solved current rectifier and can only carry out passive heat dissipation through the heat-conducting plate in the use, the problem that the radiating efficiency is low, thereby strengthened the radiating effect of device, increased the usability of device.

2. The utility model discloses in, the heat that produces the circuit board in service is conducted through the heat dissipation flange that sets up and the heat dissipation flange that goes up, makes thermal conduction more abundant to solved and produced the heat in the current rectifier component working process, long-term heat is piled up the problem that influences the performance and the life-span of rectifier, thereby has further increased the practicality of device.

Drawings

FIG. 1 is a front view, a sectional view of the whole body of the present invention;

fig. 2 is an overall bottom view of the present invention.

In the figure: the rectifier comprises a rectifier shell 1, a rectifier heat dissipation convex plate 2, a rectifier upper cover 3, an upper heat dissipation convex plate 4, a heat conduction layer 5, a circuit board 6, a fan storage layer 7, a forced heat dissipation cavity 8, a micro motor 9, a heat dissipation fan 10 and an air outlet 11.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a film projection is with automatic control electronic rectifier, including rectifier shell 1, rectifier shell 1's the left and right sides wall symmetry is equipped with heat dissipation flange 2, rectifier shell 1's end connection has rectifier upper cover 3, rectifier upper cover 3's terminal surface is equipped with heat dissipation flange 4, rectifier shell 1 inside end lateral wall is equipped with heat-conducting layer 5, heat-conducting layer 5's terminal surface is equipped with circuit board 6, rectifier shell 1's bottom is connected with the fan and accomodates layer 7, the inside that layer 7 was accomodate to the fan is equipped with forces heat dissipation chamber 8, the inside of forcing heat dissipation chamber 8 is equipped with micro motor 9, micro motor 9's bottom is connected with radiator fan 10, the bottom that layer 7 was accomodate to the.

Further, the rectifier shell 1, the heat dissipation convex plate 2, the rectifier upper cover 3 and the upper heat dissipation convex plate 4 are all made of aluminum alloy, and auxiliary heat dissipation is performed on the rectifier.

The utility model discloses work flow: when in use, the rectifier is operated under the action that the circuit board 6 is electrically connected with a power supply through the connecting mode between the wires, and because the rectifier shell 1, the heat dissipation convex plate 2, the rectifier upper cover 3 and the upper heat dissipation convex plate 4 are all made of aluminum alloy, a large amount of heat is generated in the operation process of the rectifier and can be conducted by the aluminum alloy, the contact area between the rectifier and air is enlarged through the arranged heat dissipation convex plate 2 and the upper heat dissipation convex plate 4 so as to achieve the heat dissipation effect, the heat on the circuit board 6 is downwards spread under the action of the arranged heat conduction layer 5, the heat dissipation fan 10 is operated under the action that the connecting mode between the micro motor 9 and the power supply through the wires is electrical connection and the connecting mode between the heat dissipation fan 10 and the micro motor 9 through the rotating connection is the rotating connection, and the heat transferred through the heat conduction layer 5 at the bottom of the rectifier shell 1 is forcibly, thereby reach the effect that reduces rectifier bulk temperature, as figure 1, the utility model discloses in, radiator fan 10 through setting up, make radiator fan 10 force the heat dissipation for electric connection's effect down at micro motor 9 through the connected mode between wire and the power, thereby solved current rectifier and can only carry out passive heat dissipation through the heat-conducting plate in the use, the problem that radiating efficiency is low, thereby the radiating effect of device has been strengthened, the usability of device has been increased, heat 2 and last heat dissipation flange 4 through setting up conduct the heat that circuit board 6 produced in service, make thermal conduction more abundant, thereby produced the heat in having solved current rectifier component working process, long-term heat is piled up the problem that influences the performance and the life-span of rectifier, thereby further increased the practicality of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A self-control electronic rectifier for film projection comprises a rectifier shell (1), and is characterized in that: the left and right sides wall symmetry of rectifier shell (1) is equipped with heat dissipation flange (2), the end connection of rectifier shell (1) has rectifier upper cover (3), the terminal surface of rectifier upper cover (3) is equipped with heat dissipation flange (4), the inside end lateral wall of rectifier shell (1) is equipped with heat-conducting layer (5), the terminal surface of heat-conducting layer (5) is equipped with circuit board (6), the bottom of rectifier shell (1) is connected with the fan and accomodates layer (7), the inside that layer (7) were accomodate to the fan is equipped with compulsory heat dissipation chamber (8), the inside of compulsory heat dissipation chamber (8) is equipped with micro motor (9), the bottom of micro motor (9) is connected with radiator fan (10), the bottom that layer (7) were accomodate to the fan is equipped with gas outlet (11).

2. The self-controlled electronic rectifier as claimed in claim 1, wherein: the rectifier shell (1), the heat dissipation convex plate (2), the rectifier upper cover (3) and the upper heat dissipation convex plate (4) are all made of aluminum alloy.

3. The self-controlled electronic rectifier as claimed in claim 1, wherein: the heat conducting layer (5) is made of silica gel.

4. The self-controlled electronic rectifier as claimed in claim 1, wherein: the circuit board (6) is electrically connected with the power supply through a lead, and the micro motor (9) is electrically connected with the power supply through a lead.

5. The self-controlled electronic rectifier as claimed in claim 1, wherein: the heat radiation fan (10) is in rotary connection with the micro motor (9) through a rotating shaft.

6. The self-controlled electronic rectifier as claimed in claim 1, wherein: the micro motor (9), the heat dissipation fan (10) and the air outlet (11) are respectively provided with the same components symmetrically by taking the bottom center of the fan accommodating layer (7) as an axis.