CN214957684U

CN214957684U - Inversion module convenient to assemble quickly

Info

Publication number: CN214957684U
Application number: CN202121015603.0U
Authority: CN
Inventors: 周告华
Original assignee: Shenzhen Pulsen Technology Co ltd
Current assignee: Shenzhen Pulsen Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-30
Anticipated expiration: 2031-05-12

Abstract

The utility model provides a convenient rapid Assembly's contravariant module, which comprises a housin, the PCB board, power spare, aviation socket and LCD, aviation socket is located the one end of casing, aviation socket's output runs through the casing, the input is fixed on the PCB board, aviation socket still with supplementary fixed bolster be connected, supplementary fixed bolster is fixed in the inside bottom surface of casing, LCD is located the other end of casing, static separates to keep off the subassembly and is located between LCD and the casing for separate on the static transmission to the casing that keeps off LCD. The aviation socket in the utility model is fixed on the bottom surface inside the shell through the auxiliary fixing bracket without being fixed on the side wall of the shell, thereby reducing the installation difficulty and improving the production efficiency; the aviation socket can be directly connected with the PCB, so that the cost of using a connecting cable is reduced; an electrostatic barrier assembly is arranged between the liquid crystal display and the shell to prevent a user from being injured by the electrostatic shock enriched by the liquid crystal display.

Description

Inversion module convenient to assemble quickly

Technical Field

The utility model relates to an electron power technology field especially relates to a convenient rapid Assembly's contravariant module.

Background

In recent years, with the development of power electronics technology, energy conversion systems using power electronics devices have been widely used. The energy conversion system can be directly incorporated into a high-power transmission and distribution network by adopting modular design, control and multilevel modulation technology without using a heavy and expensive power step-up transformer. An inverter module formed by using switching devices is generally included in the energy conversion system.

Along with the use of the inversion module, people have higher and higher requirements on the inversion module, and tend to be more convenient to install and more convenient to overhaul. The existing inversion module has the following technical problems:

1. generally speaking, the shell of the existing inverter module generally comprises a frame body and a cover body, and the aviation socket is generally fixed on the side wall of the frame body, so that the assembly is inconvenient, because the shell of the inverter module generally requires to be lighter, thinner and smaller, the aviation socket is difficult to fix on the side wall of the shell, and the side wall of the frame body is narrow in position and large in assembly difficulty, so that the production efficiency is affected.

2. The liquid crystal display is generally integrated with a switch key, and a user is easily injured by electrostatic shock on the liquid crystal display when operating the switch key.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient rapid Assembly's contravariant module.

In order to realize the purpose, the following technical scheme is adopted:

an inverter module convenient and rapid to assemble comprises a shell, a PCB, a power element, an aviation socket and a liquid crystal display, wherein the PCB is positioned in the shell and is electrically connected with the power element, the aviation socket and the liquid crystal display respectively;

the static electricity blocking assembly is positioned between the liquid crystal display and the shell and used for blocking static electricity of the liquid crystal display from being transferred to the shell.

Furthermore, the shell comprises a bottom plate, enclosing plates fixed on two sides of the bottom plate, a baffle and a cover plate, wherein the baffle is arranged at one end of each of the two enclosing plates, and the enclosing plates and the bottom plate are of an integrally formed structure. The components may be assembled to the base and shroud first, making assembly easier.

Furthermore, the upper portion of bounding wall is equipped with buckle subassembly, buckle subassembly with the apron is mutually supported the chucking. So that the cover plate and the coaming are easy to mount and dismount.

Furthermore, the cross section of the cover plate is L-shaped, one end of the cover plate is in contact with the baffle plate, and the other end of the cover plate is in contact with the bottom plate. The housing and the components within the housing are easily mounted.

Furthermore, the auxiliary fixing support comprises a stud fixed inside the shell and an L-shaped plate fixed on the stud, through holes are formed in two ends of the L-shaped plate respectively, and the L-shaped plate penetrates through the through holes through bolts to be fixed on the stud and the aviation socket respectively. The aviation socket is fixed inside the shell through the stud and the L-shaped plate, so that the aviation socket is prevented from being connected with the PCB loosely in long-term plugging and unplugging, and the stability is improved.

Furthermore, a positioning column is arranged inside the shell, a threaded hole matched with the stud is formed in the positioning column, a positioning hole is formed in the PCB, and the positioning column penetrates through the positioning hole. The locating column can fix the installation position of the PCB, so that the PCB can be installed more conveniently.

Furthermore, the static separates and keeps off the subassembly and be a transparent plastic board, be equipped with on the transparent plastic board with LCD's button matched with opening, LCD passes through the working of plastics and fixes inside the casing, be equipped with the show on the casing the window of LCD's display screen, the transparent plastic board is fixed through the adhesive mode the casing with between LCD's the display screen. The transparent plastic plate does not influence a user to observe the liquid crystal display, and simultaneously, because of the non-conductivity of the plastic, the user is prevented from being damaged by static electricity when touching the liquid crystal display.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that: the aviation socket is fixed on the bottom surface inside the shell through the auxiliary fixing support and does not need to be fixed on the side wall of the shell, so that the mounting difficulty is reduced, and the production efficiency is improved; the aviation socket can be directly connected with the PCB, so that the cost of using a connecting cable is reduced; an electrostatic barrier assembly is arranged between the liquid crystal display and the shell to prevent a user from being injured by the electrostatic shock enriched by the liquid crystal display.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural view of the housing of the present invention;

fig. 3 is an exploded view of the present invention;

FIG. 4 is an enlarged schematic view of a component A of the present invention;

fig. 5 is an exploded view of the present invention.

Wherein the figures identify the description:

1. a housing; 101. a base plate; 102. enclosing plates; 103. a baffle plate; 104. a cover plate; 2. a PCB board; 3. a power element; 4. an aviation socket; 5. a liquid crystal display; 51. a plastic part; 6. an auxiliary fixing bracket; 61. a stud; 62. an L-shaped plate; 63. a through hole; 64. a positioning column; 65. positioning holes; 7. a buckle assembly; 8. an electrostatic barrier assembly; 81. an opening; 9. and (4) a window.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, an inverter module convenient and fast to assemble includes a housing 1, a PCB 2, a power device 3, an aviation socket 4 and a liquid crystal display 5, the PCB 2 is located in the housing 1 and electrically connected to the power device 3, the aviation socket 4 and the liquid crystal display 5, the aviation socket 4 is located at one end of the housing 1, an output end of the aviation socket 4 penetrates through the housing 1, an input end of the aviation socket is fixed on the PCB 2, the aviation socket 4 is further connected to an auxiliary fixing bracket 6, the auxiliary fixing bracket 6 is fixed on an inner bottom surface of the housing 1, and the liquid crystal display 5 is located at the other end of the housing 1;

and the static electricity blocking assembly 8 is positioned between the liquid crystal display 5 and the shell 1 and used for blocking static electricity of the liquid crystal display 5 from being transferred to the shell 1.

The shell 1 comprises a bottom plate 101, enclosing plates 102 fixed on two sides of the bottom plate 101, a baffle plate 103 and a cover plate 104, wherein the baffle plate 103 is installed at one end of the two enclosing plates 102, and the enclosing plates 102 and the bottom plate 101 are of an integrated structure. The components may be assembled to the base 101 and shroud 102 first, making assembly easier.

The upper part of the enclosing plate 102 is provided with a buckle assembly 7, and the buckle assembly 7 is matched and clamped with the cover plate 104. Allowing the cover plate 104 and shroud 102 to be easily installed and removed.

The cover plate 104 has an L-shaped cross section, and one end thereof contacts the baffle plate 103 and the other end thereof contacts the base plate 101. It is convenient to mount the housing 1 and the components inside the housing 1.

The auxiliary fixing support 6 comprises a stud 61 fixed inside the shell 1 and an L-shaped plate 62 fixed on the stud 61, through holes 63 are respectively formed in two ends of the L-shaped plate 62, and the L-shaped plate 62 is fixed on the stud 61 and the aviation socket 4 through bolts penetrating through the through holes 63. The aviation socket 4 is fixed inside the shell 1 through the stud 61 and the L-shaped plate 62, so that the aviation socket 4 is prevented from being connected with the PCB 2 in a long-term plugging process, and the stability is improved.

A positioning column 64 is arranged inside the shell 1, a threaded hole matched with the stud 61 is formed in the positioning column 64, a positioning hole 65 is formed in the PCB 2, and the positioning column 64 penetrates through the positioning hole 65. The positioning column 64 can fix the installation position of the PCB, so that the PCB 2 can be more conveniently installed.

The static separates and keeps off subassembly 8 is a transparent plastic board, is equipped with on the transparent plastic board with LCD 5's button matched with opening 81, and LCD 5 passes through the working of plastics 51 to be fixed inside casing 1, is equipped with the window 9 of the display screen of show LCD 5 on casing 1, and transparent plastic board passes through the adhesive mode to be fixed between casing 1 and LCD 5's display screen. The transparent plastic plate does not affect the user to observe the liquid crystal display 5, and simultaneously, due to the non-conductivity of the plastic, the user is prevented from being injured by static electricity when touching the liquid crystal display 5.

The utility model discloses the theory of operation: in the assembly the utility model discloses the time, because do not install baffle 103 and apron 104 for there is the operation space of relative big to supply the staff to install in the casing 1, when the assembly, aim at reference column 64 with locating hole 65 on the PCB board 2 earlier, the location of PCB board 2 in casing 1 has been accomplished, fix PCB board 2 through the mode of screwing up bolt or point and glue again, then screw up double-screw bolt 61 on reference column 64 again, with good double-screw bolt 61 of L template 62 fixed connection and aviation socket 4 again, the installation of casing 1 main part has been accomplished.

The transparent plastic plate is adhered to the window 9 of the baffle plate 103, the liquid crystal display 5 is fixed on the baffle plate 103 through the plastic part 51, wherein the plastic part 51 can be fixed on the baffle plate 103 through a threaded screw hole, then the liquid crystal display 5 is fixed on the plastic part 51 through a bolt, then the baffle plate 103 is fixed at one end of the enclosing plate 102, and finally the cover plate 104 is covered.

When the utility model is used, the utility model is directly inserted into a corresponding cabinet, the output end of the aviation socket 4 is directly connected with the input ends of other control elements, and when the aviation socket is connected, the auxiliary fixing bracket 6 improves the stability of the aviation socket 4 and prevents the connection between the aviation socket 4 and the PCB 2 from loosening; the utility model discloses when the operation, set up the static that transparent plastic board can keep off enrichment on the LCD 5, avoid the user to be hindered by the static impact.

Has the advantages that: the aviation socket 4 of the utility model is fixed on the bottom surface inside the shell 1 through the auxiliary fixing bracket 6, and is not required to be fixed on the side wall of the shell 1, thereby reducing the installation difficulty and improving the production efficiency; the aviation socket 4 can be directly connected with the PCB 2, so that the cost of using a connecting cable is reduced; an electrostatic barrier assembly 8 is disposed between the liquid crystal display 5 and the housing 1 to prevent a user from being injured by the electrostatic charges accumulated in the liquid crystal display 5.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a convenient rapid Assembly's contravariant module, includes casing, PCB board, power spare, aviation socket and LCD, its characterized in that: the PCB is positioned in the shell and is respectively and electrically connected with the power element, the aviation socket and the liquid crystal display, the aviation socket is positioned at one end of the shell, the output end of the aviation socket penetrates through the shell, the input end of the aviation socket is fixed on the PCB, the aviation socket is also connected with an auxiliary fixing support, the auxiliary fixing support is fixed on the bottom surface in the shell, and the liquid crystal display is positioned at the other end of the shell;

2. The inverter module of claim 1, wherein the housing comprises a bottom plate, surrounding plates fixed on two sides of the bottom plate, a baffle plate and a cover plate, the baffle plate is mounted on one end of the two surrounding plates, and the surrounding plates and the bottom plate are integrally formed.

3. The inverter module convenient and fast to assemble as claimed in claim 2, wherein a snap assembly is disposed on an upper portion of the enclosing plate, and the snap assembly and the cover plate are mutually matched and clamped.

4. The inverter module of claim 2, wherein the cover plate has an L-shaped cross-section, one end of which is in contact with the baffle plate and the other end of which is in contact with the base plate.

5. The inverter module convenient and rapid to assemble according to claim 1, wherein the auxiliary fixing bracket comprises a stud fixed inside the housing and an L-shaped plate fixed on the stud, through holes are respectively formed at two ends of the L-shaped plate, and the L-shaped plate is respectively fixed on the stud and the aviation socket by passing a bolt through the through holes.

6. The inverter module of claim 5, wherein the housing has a positioning post therein, the positioning post has a threaded hole for engaging with the stud, the PCB has a positioning hole, and the positioning post passes through the positioning hole.

7. The inverter module of claim 1, wherein the static electricity barrier is a transparent plastic plate, the transparent plastic plate has openings for engaging with the keys of the liquid crystal display, the liquid crystal display is fixed inside the housing by plastic members, the housing has a window for displaying the display screen of the liquid crystal display, and the transparent plastic plate is fixed between the housing and the display screen of the liquid crystal display by adhesion.