CN210578280U

CN210578280U - Two-path PWM waveform generation module with 180-degree phase difference

Info

Publication number: CN210578280U
Application number: CN201921589259.9U
Authority: CN
Inventors: 吴乌恩; 王俊强
Original assignee: Shanghai Yege Mechanical & Electrical Equipment Co ltd
Current assignee: Shanghai YeGe Industrial Automation Co.,Ltd.
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-19
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a two way phase difference 180 PWM wave forms produce module, handle the piece including PWM module body, lead wire seat, display screen, heat radiation structure and second, all be fixed with equidistant lead wire seat on the outer wall of PWM module body one side, and all install the connecting piece on the outer wall of lead wire seat both sides to all install equidistant display lamp on the PWM module body outer wall of lead wire seat one side, install the second on the outer wall of lead wire seat one side is kept away from to PWM module body and handle the piece, and be fixed with first processing block on the PWM module body outer wall of second processing block below, all be fixed with equidistant power connection on the PWM module body outer wall of lead wire seat top, the PWM module body is kept away from and is provided with heat radiation structure on the outer wall of lead wire seat one side. The utility model discloses not only improve the radiating effect when PWM waveform produces the module and use, improved the convenience when PWM waveform produces the module installation, improved the intuition nature when PWM waveform produces the module and uses moreover.

Description

Two-path PWM waveform generation module with 180-degree phase difference

Technical Field

The utility model relates to a PWM waveform produces module technical field, specifically is two way phase difference 180 PWM waveforms and produces the module.

Background

The PWM waveform generating module is used for controlling the on-off of a switching device of the inverter circuit in a control mode to enable an output end to obtain a series of pulses with equal amplitude, the pulses are used for replacing sine waves or needed waveforms, namely, a plurality of pulses are generated in a half cycle of an output waveform, the equivalent voltage of each pulse is a sine waveform, the obtained output is smooth, low-order harmonics are few, the width of each pulse is modulated according to a certain rule, the size of the output voltage of the inverter circuit can be changed, and the output frequency can also be changed.

The PWM waveform generation modules on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows:

(1) when the traditional PWM waveform generation module is used, a large amount of heat is easily generated and accumulated on the surface of the PWM waveform generation module and is difficult to dissipate, so that the situation that a local line of the PWM waveform generation module is short-circuited is easily caused, and the service life of the PWM waveform generation module is influenced;

(2) the traditional PWM waveform generating module is usually inconvenient to install when in use, so that the use of the PWM waveform generating module has certain inconvenience, and troubles are caused to users;

when the traditional PWM waveform generation module is used, the tested value is usually difficult to display, so that the PWM waveform generation module lacks certain intuitiveness when being used.

Disclosure of Invention

An object of the utility model is to provide two way phase difference 180 PWM wave forms generate module to it is not good to provide the PWM wave form in solving above-mentioned background art and produce the module radiating effect, installs inconvenient and the problem that numerical value is difficult to show.

In order to achieve the above object, the utility model provides a following technical scheme: two way phase difference 180's PWM wave forms generate module, handle the piece including PWM module body, lead wire seat, display screen, heat radiation structure and second, all be fixed with equidistant lead wire seat on the outer wall of PWM module body one side, and all install the connecting piece on the outer wall of lead wire seat both sides to all install equidistant display lamp on the PWM module body outer wall of lead wire seat one side, all be fixed with equidistant power connection on the PWM module body outer wall of lead wire seat top, be provided with heat radiation structure on the outer wall of lead wire seat one side is kept away from to the PWM module body.

Preferably, a second processing block is installed on the outer wall of the side, away from the lead seat, of the PWM module body, and a first processing block is fixed on the outer wall of the PWM module body below the second processing block.

Preferably, the corner positions of the outer wall of the PWM module body are all provided with mounting screw holes, the outer wall of the PWM module body on one side of the mounting screw holes is provided with mounting gaskets, and the minimum diameter of each mounting gasket is larger than the maximum diameter of each mounting screw hole.

Preferably, a display shell is fixed on the outer wall of the PWM module body above the lead base, and connectors at equal intervals are fixed at two ends of the display shell.

Preferably, the inside of installation screw is provided with the construction bolt, construction bolt and installation screw threaded connection, and the one end of construction bolt runs through the mounting pad and extends to the outside of PWM module body.

Preferably, the display screen is arranged inside the display shell, a wire seat is fixed on the outer wall of the PWM module body on one side of the display shell, and the wire seat is matched with the display shell.

Preferably, the heat dissipation structure is internally provided with a heat dissipation plate, a heat dissipation hole, a fixing column, a connecting sucker and a heat dissipation fin in sequence, and the heat dissipation plate is arranged on the outer wall of the PWM module body, which is far away from one side of the lead seat.

Preferably, all be provided with equidistant louvre on the outer wall of heating panel one side to all be fixed with equidistant connection sucking disc on the outer wall of heating panel one side, connect sucking disc and mutually support of PWM module body.

Preferably, fixing columns are fixed on the outer walls of the heat dissipation plates connected with the two sides of the sucking disc, heat dissipation fins are installed at one ends of the fixing columns, and the heat dissipation fins and the PWM module body are mutually attracted.

Compared with the prior art, the beneficial effects of the utility model are that: the two paths of PWM waveform generation modules with the phase difference of 180 degrees not only improve the heat dissipation effect of the PWM waveform generation modules when in use, improve the convenience of the installation of the PWM waveform generation modules, but also improve the intuitiveness of the PWM waveform generation modules when in use;

(1) the heat dissipation effect of the PWM waveform generation module during use is improved by arranging the heat dissipation plate, the heat dissipation holes, the fixing columns, the connecting suckers and the heat dissipation fins, pressing the fixing columns to push the heat dissipation fins to be tightly attracted with the PWM module body, and leading out heat accumulated on the outer wall of the PWM module body by the connecting suckers on one side of the heat dissipation plate, so that the heat is dissipated through the heat dissipation holes;

(2) the mounting gasket is placed at the port of the mounting screw hole by arranging the mounting screw hole, the mounting bolt and the mounting gasket, one end of the mounting bolt penetrates through the mounting gasket and is inserted into the mounting screw hole, the mounting bolt is rotated to be in threaded connection with the mounting screw hole, and the mounting bolt penetrates through the mounting screw hole to be connected with external fixing equipment, so that the convenience in mounting the PWM waveform generation module is improved;

(3) through being provided with wire seat, connector, demonstration casing and display screen, the connector is linked together with PWM module body and shows in the leading-in display screen that shows the casing inside of data, provides audio-visual data display for the staff, has improved the intuitionistic when the PWM waveform generation module uses.

Drawings

Fig. 1 is a schematic view of the front view of the appearance structure of the present invention;

fig. 2 is a schematic view of the rear view appearance structure of the present invention;

fig. 3 is a schematic view of a rear view cross-sectional structure of the present invention;

fig. 4 is a schematic view of the enlarged structure of the heat dissipation structure of the present invention.

In the figure: 1. a PWM module body; 2. a connecting member; 3. a lead wire holder; 4. a display lamp; 5. mounting a screw hole; 6. a wire holder; 7. a connector; 8. a display housing; 9. a display screen; 10. a power supply connector; 11. a heat dissipation structure; 1101. a heat dissipation plate; 1102. heat dissipation holes; 1103. fixing a column; 1104. connecting a sucker; 1105. heat dissipation fins; 12. installing a bolt; 13. installing a gasket; 14. a first processing block; 15. and a second processing block.

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.

Referring to fig. 1-4, the present invention provides an embodiment: the two paths of PWM waveform generation modules with the phase difference of 180 degrees comprise a PWM module body 1, lead wire seats 3, a display screen 9, a heat dissipation structure 11 and a second processing block 15, wherein the lead wire seats 3 with equal intervals are fixed on the outer wall of one side of the PWM module body 1, connecting pieces 2 are arranged on the outer walls of two sides of each lead wire seat 3, and display lamps 4 with equal intervals are arranged on the outer wall of the PWM module body 1 on one side of each lead wire seat 3;

a second processing block 15 is arranged on the outer wall of one side of the PWM module body 1, which is far away from the lead seat 3, and a first processing block 14 is fixed on the outer wall of the PWM module body 1 below the second processing block 15 and is used for the waveform processing work of the PWM waveform generation module;

mounting screw holes 5 are formed in the corner positions of the outer wall of the PWM module body 1, mounting gaskets 13 are arranged on the outer wall of the PWM module body 1 on one side of each mounting screw hole 5, the minimum diameter of each mounting gasket 13 is larger than the maximum diameter of each mounting screw hole 5, mounting bolts 12 are arranged inside the mounting screw holes 5, the mounting bolts 12 are in threaded connection with the mounting screw holes 5, and one ends of the mounting bolts 12 penetrate through the mounting gaskets 13 and extend to the outside of the PWM module body 1, so that convenience in mounting the PWM waveform generation module is improved;

a display shell 8 is fixed on the outer wall of the PWM module body 1 above the lead seat 3, connectors 7 with equal intervals are fixed at two ends of the display shell 8, a display screen 9 is installed inside the display shell 8, a wire seat 6 is fixed on the outer wall of the PWM module body 1 at one side of the display shell 8, and the wire seat 6 is matched with the display shell 8 to improve the intuitiveness of the PWM waveform generation module during use;

power connectors 10 with equal intervals are fixed on the outer wall of the PWM module body 1 above the lead seat 3, and a heat dissipation structure 11 is arranged on the outer wall of one side, away from the lead seat 3, of the PWM module body 1;

the inside of the heat dissipation structure 11 is sequentially provided with a heat dissipation plate 1101, heat dissipation holes 1102, fixing columns 1103, a connecting sucker 1104 and heat dissipation fins 1105, the heat dissipation plate 1101 is arranged on the outer wall of the side, away from the lead socket 3, of the PWM module body 1, the heat dissipation holes 1102 at equal intervals are all arranged on the outer wall of the side of the heat dissipation plate 1101, the connecting sucker 1104 is fixed with the connecting sucker 1104 at equal intervals on the outer wall of the side of the PWM module body 1, the fixing columns 1103 are all fixed on the outer walls of the heat dissipation plate 1101 at the two sides of the connecting sucker 1104, the heat dissipation fins 1105 are installed at one ends of the fixing columns 1103, and the heat dissipation fins 1105 are mutually;

in the use of PWM waveform generation module, the staff presses fixed column 1103 and makes it promote radiator fin 1105 and the close actuation of PWM module body 1, and the connection sucking disc 1104 of heating panel 1101 one side is derived the heat that accumulates on the outer wall of PWM module body 1 to make the heat distribute away through louvre 1102, the radiating effect when PWM waveform generation module uses has been improved, thereby has prolonged the life of PWM waveform generation module.

The working principle is as follows: when in use, a worker firstly places the PWM waveform generation module at a proper position, places the mounting gasket 13 at the port of the mounting screw hole 5, passes one end of the mounting bolt 12 through the mounting gasket 13 and inserts the mounting bolt into the mounting screw hole 5, rotates the mounting bolt 12 to be in threaded connection with the mounting screw hole 5, and enables the mounting bolt 12 to pass through the mounting screw hole 5 to be connected with external fixing equipment, so that the convenience of the installation of the PWM waveform generation module is improved, then the worker connects the PWM waveform generation module with external power supply equipment, then the second processing block 15 at one side of the PWM module body 1 is enabled to work with the first processing block 14 through related operations to generate related data and waveforms, and the connector 7 is communicated with the PWM module body 1 to guide the data into the display screen 9 inside the display shell 8 and display the data, so as to provide visual data display for the worker, the intuitiveness of the PWM waveform generation module during use is improved, finally, in the use process of the PWM waveform generation module, a worker presses the fixing column 1103 to push the fixing column to push the radiating fins 1105 to be closely attracted with the PWM module body 1, the connecting sucker 1104 on one side of the radiating plate 1101 guides out the heat accumulated on the outer wall of the PWM module body 1, and the heat is dissipated out through the radiating hole 1102, so that the radiating effect of the PWM waveform generation module during use is improved, the service life of the PWM waveform generation module is prolonged, and the work of the two PWM waveform generation modules with the phase difference of 180 degrees is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Two way phase difference 180 PWM wave forms generate module, including PWM module body (1), wire holder (3), display screen (9), heat radiation structure (11) and second processing block (15), its characterized in that: all be fixed with equidistant lead wire seat (3) on the outer wall of PWM module body (1) one side, and all install connecting piece (2) on the outer wall of lead wire seat (3) both sides to all install equidistant display lamp (4) on PWM module body (1) outer wall of lead wire seat (3) one side, all be fixed with equidistant power connection (10) on PWM module body (1) outer wall of lead wire seat (3) top, be provided with heat radiation structure (11) on the outer wall of lead wire seat (3) one side is kept away from in PWM module body (1).

2. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 1, characterized in that: and a second processing block (15) is arranged on the outer wall of one side, away from the lead seat (3), of the PWM module body (1), and a first processing block (14) is fixed on the outer wall of the PWM module body (1) below the second processing block (15).

3. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 1, characterized in that: the corner position department of PWM module body (1) outer wall all is provided with installation screw (5), and all is provided with installation gasket (13) on the PWM module body (1) outer wall of installation screw (5) one side, and the minimum diameter of installation gasket (13) is greater than the maximum diameter of installation screw (5).

4. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 1, characterized in that: and a display shell (8) is fixed on the outer wall of the PWM module body (1) above the lead wire seat (3), and connectors (7) with equal intervals are fixed at two ends of the display shell (8).

5. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 3, characterized in that: the PWM module is characterized in that a mounting bolt (12) is arranged inside the mounting screw hole (5), the mounting bolt (12) is in threaded connection with the mounting screw hole (5), and one end of the mounting bolt (12) penetrates through the mounting gasket (13) and extends to the outside of the PWM module body (1).

6. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 4, wherein: the display device is characterized in that a display screen (9) is arranged inside the display shell (8), a wire seat (6) is fixed on the outer wall of the PWM module body (1) on one side of the display shell (8), and the wire seat (6) is matched with the display shell (8).

7. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 1, characterized in that: the heat dissipation structure comprises a heat dissipation plate (1101), heat dissipation holes (1102), fixing columns (1103), a connecting sucker (1104) and heat dissipation fins (1105) which are sequentially arranged inside the heat dissipation structure (11), wherein the heat dissipation plate (1101) is arranged on the outer wall of one side, away from the lead base (3), of the PWM module body (1).

8. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 7, characterized in that: the PWM module comprises a PWM module body (1) and is characterized in that radiating holes (1102) with equal intervals are formed in the outer wall of one side of the radiating plate (1101), connecting suckers (1104) with equal intervals are fixed on the outer wall of one side of the radiating plate (1101), and the connecting suckers (1104) are matched with the PWM module body (1).

9. The two-way PWM waveform generation module with a phase difference of 180 degrees according to claim 8, wherein: fixing columns (1103) are fixed on the outer walls of the heat dissipation plates (1101) on two sides of the connecting sucker (1104), heat dissipation fins (1105) are installed at one ends of the fixing columns (1103), and the heat dissipation fins (1105) are attracted with the PWM module body (1) mutually.