CN211630109U - Frequency converter of screw-saving fastener - Google Patents

Frequency converter of screw-saving fastener Download PDF

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Publication number
CN211630109U
CN211630109U CN202020575238.8U CN202020575238U CN211630109U CN 211630109 U CN211630109 U CN 211630109U CN 202020575238 U CN202020575238 U CN 202020575238U CN 211630109 U CN211630109 U CN 211630109U
Authority
CN
China
Prior art keywords
radiator
lower cover
circuit board
main circuit
screw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020575238.8U
Other languages
Chinese (zh)
Inventor
彭秀杰
宋红运
顾亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU SHIHLIN ELECTRIC CO Ltd
Original Assignee
SUZHOU SHIHLIN ELECTRIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU SHIHLIN ELECTRIC CO Ltd filed Critical SUZHOU SHIHLIN ELECTRIC CO Ltd
Priority to CN202020575238.8U priority Critical patent/CN211630109U/en
Application granted granted Critical
Publication of CN211630109U publication Critical patent/CN211630109U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a frequency converter of screw-saving fastener, which belongs to the technical field of electrical equipment, and comprises a lower cover, wherein the lower cover comprises a lower cover bottom plate, chute baffles are arranged at the front and back of the left side of the lower cover bottom plate, elastic buckles are arranged at the inner sides of the two chute baffles, a radiator is arranged at the left side above the lower cover, the radiator can be arranged between the two chute baffles, the radiator comprises a radiator fixing plate and a radiating plane, the radiator fixing plate is arranged at the bottom of the radiator, the radiator fixing plate is connected with the elastic buckles in a matching way, the radiating plane is arranged above the back side of the radiator, a clamping groove with left and right trends is arranged at the back side of the radiator, the clamping groove is arranged below the radiating plane, and the frequency converter of the screw-saving fastener uses 1 screw bolt, 2 screws and other screw fasteners, the design structure is simplified, the assembly efficiency is improved, and the production cost is saved.

Description

Frequency converter of screw-saving fastener
Technical Field
The utility model relates to an electrical equipment technical field specifically is a economize converter of screw fastener.
Background
The frequency converter mainly comprises a rectifying unit, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting unit and a microprocessing unit, wherein the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal insulated gate bipolar transistor, and provides the required power supply voltage according to the actual requirement of a motor, so that the purposes of energy conservation and speed regulation are achieved.
When the frequency converter is designed and produced, various connecting and fixing modes are often needed to combine all functional parts together to form a complete machine, so that the function of a product is realized, and common frequency converters mostly adopt screw fasteners such as screws, screws and bolts with more types and quantities, so that the product design is complicated, the assembly is complex, the production efficiency is low, and the production cost of the product is greatly increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a economize screw fastener's converter to solve the traditional converter design loaded down with trivial details, the assembly of proposing in the above-mentioned background art problem complicated, that production efficiency is low.
In order to achieve the above object, the utility model provides a following technical scheme: a frequency converter of a screw-saving fastener comprises a lower cover, wherein the lower cover comprises a lower cover bottom plate, chute baffles are arranged at the front and rear parts of the left side of the lower cover bottom plate, elastic buckles are arranged on the inner sides of the two chute baffles, a radiator is arranged on the left side above the lower cover and can be arranged between the two chute baffles, the radiator comprises a radiator fixing plate and a radiating plane, the radiator fixing plate is arranged at the bottom of the radiator and is matched and connected with the elastic buckles, the radiating plane is arranged above the rear side of the radiator, a clamping groove with a left direction and a right direction is arranged on the rear side of the radiator, the clamping groove is arranged below the radiating plane, an insulated gate bipolar transistor is arranged behind the radiating plane, an elastic piece is connected with the rear side of the insulated gate bipolar transistor, and the lower part of the elastic piece is connected with the clamping groove, the left side above the radiator is provided with a left threaded hole, the right side above the radiator is provided with a right threaded hole, the left side above the radiator is provided with a rectifier bridge, the top of the radiator is provided with a main circuit board, the top of the insulated gate bipolar transistor is connected with the main circuit board, the main circuit board is arranged above the rectifier bridge, the left side and the right side above the main circuit board are both provided with screws, the screws on the left side sequentially penetrate through the main circuit board and the rectifier bridge and then are screwed into left threaded holes, the control panel is arranged above the main circuit board, the front side and the rear side of the control panel and the main circuit board are both provided with supporting round holes, the upper part and the lower part of the two supporting round holes of the main circuit board are both provided with plate spacers, the upper end and the lower end of the two plate spacers are both provided with elastic clamping jaws, and the two upper sides of, two downside the elasticity jack catch runs through two support round holes of main circuit board respectively and is connected with main circuit board lower surface, the top of lower cover is provided with the upper cover, radiator, main circuit board and control panel all are in the inner chamber of upper cover.
Preferably, the right side of the lower cover bottom plate is provided with a lower cover right side plate, the upper side of the lower cover right side plate is provided with a lower cover upper side plate, the middle of the lower cover upper side plate is provided with a connecting groove, a clamping plate is transversely inserted into the connecting groove, the rear side of the inner wall of the lower cover right side plate is provided with a guide limiting column, a fan is installed on the right side of the lower cover bottom plate, and the fan is located under the lower cover upper side plate.
Preferably, a rubber pad is arranged above the rectifier bridge, the upper surface of the rubber pad is in contact with the lower surface of the main circuit board, the screw penetrates through the rubber pad on the left side, a stud is arranged above the right threaded hole, the upper surface of the stud is in contact with the lower surface of the main circuit board, a fixing threaded hole is formed in the upper surface of the stud, and the screw penetrates through the main circuit board and is screwed into the fixing threaded hole of the stud on the right side.
Preferably, the front side and the rear side of the bottom plate of the lower cover are both provided with a clamping plate buckle, the lower sides of the front side and the rear side of the upper cover are both provided with a buckle, and the buckles are connected with the clamping plate buckles.
Preferably, the upper surface of the upper side plate of the lower cover is in contact with the lower surface of the main circuit board.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the frequency converter of the screw-saving fastener uses 1 stud, 2 screws and other screw fasteners, so that the design structure is simplified, the assembly efficiency is improved, and the production cost is saved;
2) through the linking of cardboard buckle and buckle for the upper cover plate becomes more convenient with the dismantlement of apron down, thereby has promoted the effective time that maintenance personal maintained, maintained the device.
Drawings
FIG. 1 is a schematic view of the assembly structure of the control panel of the present invention;
FIG. 2 is a schematic view of an assembly structure of the elastic member and the fan according to the present invention;
FIG. 3 is a schematic view of the main circuit board assembly structure of the present invention;
fig. 4 is a schematic diagram of the pre-assembly structure of the lower cover and the heat sink of the present invention;
FIG. 5 is a schematic view of the structure of the lower cover of the present invention;
FIG. 6 is a schematic view of the heat sink of the present invention;
fig. 7 is a schematic view of the assembly structure of the upper cover of the present invention.
In the figure: 1 upper cover, 2 lower cover, 21 lower cover bottom plate, 22 lower cover right side plate, 23 lower cover upper side plate, 24 clamp plate, 25 guide limiting columns, 26 elastic buckles, 27 clamp plate buckles, 28 sliding chute baffle plates, 3 radiator, 31 radiator fixing plate, 32 left threaded hole, 33 right threaded hole, 34 radiating plane, 35 clamping groove, 4 main circuit board, 5 rubber pad, 6 rectifier bridge, 7 fan, 8 buckle, 9 insulated gate bipolar transistor, 10 elastic piece, 11 screw, 12 control panel, 14 elastic clamping claw.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-7, the present invention provides a technical solution: a frequency converter of a screw-saving fastener comprises a lower cover 2, wherein the lower cover 2 comprises a lower cover bottom plate 21, chute baffles 28 are arranged at the front and rear parts of the left side of the lower cover bottom plate 21, the two chute baffles 28 are transversely arranged, a chute is arranged between the two chute baffles 28, elastic buckles 26 are arranged at the inner sides of the two chute baffles 28, and at least one elastic buckle 26 is arranged on one chute baffle 28;
the left side above the lower cover 2 is provided with a radiator 3, the radiator 3 can move left and right in a chute between two chute baffles 28, the radiator 3 comprises a radiator fixing plate 31 and a radiating plane 34, the radiator fixing plate 31 is arranged at the bottom of the radiator 3, an elastic buckle 26 is matched with the radiator fixing plate 31 positioned at the same side, a non-zero gap is arranged between the radiator fixing plate 31 and the two chute baffles 28, the radiating plane 34 is positioned above the rear side of the radiator 3, the rear side of the radiator 3 is provided with a clamping groove 35 in the left and right directions, the clamping groove 35 is positioned below the radiating plane 34, an insulated gate bipolar transistor 9 is arranged behind the radiating plane 34, the rear side heat conducting surface of the insulated gate bipolar transistor 9 is attached to the surface of the radiating plane 34, the rear side of the insulated gate bipolar transistor 9 is connected with an elastic part 10, and the lower part of the, the lower part of the elastic part 10 is fixed on a clamping groove 35, the left side above the radiator 3 is provided with a left threaded hole 32, the right side above the radiator 3 is provided with a right threaded hole 33, the left side above the radiator 3 is welded with a rectifier bridge 6, a PIN needle of the rectifier bridge 6 is bent to the front side by 90 degrees, the upper side of the rectifier bridge is parallel to the lower side of the main circuit board and is provided with a supporting space, the upper part of the radiator 3 is provided with a main circuit board 4, the upper part of an insulated gate bipolar transistor 9 is connected with the main circuit board 4, the main circuit board 4 is arranged above the rectifier bridge 6, the left side and the right side above the main circuit board 4 are both provided with screws 11, the left side screws 11 sequentially penetrate through the main circuit board 4 and the rectifier bridge 6 and are screwed into the left threaded hole 32, the right side screws 11 penetrate through the main circuit board 4 and are screwed into the right threaded hole, the top of main circuit board 4 is provided with control panel 12, connect through the wire between main circuit board 4 and the control panel 12, the front and back side of control panel 12 and main circuit board 4 all is provided with the support round hole, the top of two support round holes of main circuit board 4 all is provided with inter-plate spacer 13, the upper and lower both ends of two inter-plate spacer 13 all are provided with elasticity jack catch 14, two upside elasticity jack catch 14 run through two support round holes of control panel 12 respectively and the upper surface of control panel 12 is connected, two downside elasticity jack catch 14 run through two support round holes of main circuit board 4 respectively and are connected with main circuit board 4 lower surface, elasticity jack catch 14 and inter-plate spacer 13 can fix control panel 12 in the top of main circuit board 4, the top of lower cover 2 is provided with upper cover 1, radiator 3, main circuit board 4 and control panel 12 are all in the inner chamber of upper cover 1.
Lower cover right side board 22 is provided with on the right side of lower cover bottom plate 21, lower cover upper side board 23 is provided with in the top of lower cover right side board 22, the centre of lower cover upper side board 23 is provided with links up the groove, link up the inside horizontal insertion in groove and have cardboard 24, the lower surface right side of cardboard 24 is provided with decurrent protrusion buckle, lower cover right side board 22, cardboard 24 and lower cover upper side board 23 are formed with the card and establish the space, 7 cards of fan are in the card establishes the space, the inner wall rear side of lower cover right side board 22 is provided with the spacing post 25 of direction, the spacing post 25 of direction can make things convenient for 7 cards of fan to go into the card and.
The top of rectifier bridge 6 is provided with rubber pad 5, the upper surface of rubber pad 5 and the lower surface contact of main circuit board 4, left side screw 11 runs through rubber pad 5, rubber pad 5 can make things convenient for main circuit board 4 to compress tightly rectifier bridge 6, the top of right side screw hole 33 is provided with double-screw bolt 15, the upper surface of double-screw bolt 15 and the lower surface contact of main circuit board 4, the upper surface of double-screw bolt 15 is provided with fixed threaded hole, right side screw 11 runs through main circuit board 4 screw in to the fixed threaded hole of double-screw bolt 15, double-screw bolt 15 plays the supporting role to main circuit board 4, can avoid right side screw 11 in the installation, because of the too big main circuit board 4 crushing of exerting oneself.
All be provided with cardboard buckle 27 around the lower cover bottom plate 21, all be provided with buckle 8 around the upper cover 1 below the side, buckle 8 and cardboard buckle 27 are connected, and the buckle connection is more including easy to assemble and the dismantlement of lid 1.
The upper surface of the lower cover upper side plate 23 contacts with the lower surface of the main circuit board 4, and the upper surface of the lower cover upper side plate 23 can support the right side of the main circuit board 4.
The working principle is as follows: fixing the elastic element 10 on a clamping groove 35 at the rear side of the radiator 3, attaching the insulated gate bipolar transistor 9 on a radiating plane 34 at the rear side of the radiator 3, pressing the insulated gate bipolar transistor 9 by the elastic element 10, screwing the stud 15 into a right threaded hole 33, installing a rectifier bridge 6 above a left threaded hole 32, placing a rubber pad 5 above the rectifier bridge 6, fixing the main circuit board 4, the rubber pad 5 and the rectifier bridge 6 on the upper surface of the radiator 3 by a screw 11 at the left side, fixing the upper surface of the stud 15 fixed on the main circuit board 4 by a screw 11 at the right side, fixing the control board 12 above the main circuit board 4 by using a board spacer 13 and an elastic claw 14, then pushing the radiator 3 to move rightwards on the upper surface of the lower cover bottom board 21 along the chute baffle 28, when the elastic buckle 26 clamps the radiator fixing board 31, the radiator 3 is fixed, pushing the fan 7 to move leftwards along the guide limiting column 25, when the fan 7 is pushed in completely, the protruding catch on the lower surface of the catch plate 24 fixes the fan 7, and finally the catch 8 under the upper cover 1 is connected with the catch plate catch 27 of the lower cover 2.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
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 (5)

1. The utility model provides a economize converter of screw fastener, includes lower cover (2), its characterized in that: the lower cover (2) comprises a lower cover bottom plate (21), sliding groove baffles (28) are arranged at the front and rear of the left side of the lower cover bottom plate (21), elastic buckles (26) are arranged on the inner sides of the two sliding groove baffles (28), a radiator (3) is arranged on the left side of the upper part of the lower cover (2), the radiator (3) can be arranged between the two sliding groove baffles (28), the radiator (3) comprises a radiator fixing plate (31) and a radiating plane (34), the radiator fixing plate (31) is arranged at the bottom of the radiator (3), the radiator fixing plate (31) is connected with the elastic buckles (26) in a matching manner, the radiating plane (34) is positioned above the rear side of the radiator (3), a clamping groove (35) moving left and right is arranged on the rear side of the radiator (3), and the clamping groove (35) is positioned below the radiating plane (34), the rear side of the heat dissipation plane (34) is provided with an insulated gate bipolar transistor (9), the rear side of the insulated gate bipolar transistor (9) is connected with an elastic part (10), the lower side of the elastic part (10) is connected with a clamping groove (35), the left side of the upper side of the radiator (3) is provided with a left threaded hole (32), the right side of the upper side of the radiator (3) is provided with a right threaded hole (33), the left side of the upper side of the radiator (3) is provided with a rectifier bridge (6), the upper side of the radiator (3) is provided with a main circuit board (4), the upper side of the insulated gate bipolar transistor (9) is connected with the main circuit board (4), the main circuit board (4) is arranged above the rectifier bridge (6), the left side of the main circuit board (4) is provided with screws (11), the screws (11) sequentially penetrate through the main circuit board (4) and the rectifier bridge (6) and then are screwed into the left threaded hole (32, the right side screw (11) run through behind the main circuit board (4) in screw in right side screw hole (33), the top of main circuit board (4) is provided with control panel (12), the front and back side of control panel (12) and main circuit board (4) all is provided with the support round hole, the top of two support round holes of main circuit board (4) all is provided with inter-plate spacer (13), two the upper and lower both ends of inter-plate spacer (13) all are provided with elasticity jack catch (14), two upsides two support round holes that elasticity jack catch (14) run through control panel (12) respectively and the upper surface connection of control panel (12), two downside two support round holes that elasticity jack catch (14) run through main circuit board (4) respectively are connected with main circuit board (4) lower surface, the top of lower cover (2) is provided with upper cover (1), radiator (3), The main circuit board (4) and the control board (12) are both arranged in the inner cavity of the upper cover (1).
2. The frequency converter of a screw-less fastener of claim 1, wherein: the right side of lower cover bottom plate (21) is provided with lower cover right side board (22), the top of lower cover right side board (22) is provided with lower cover upper side board (23), the centre of lower cover upper side board (23) is provided with links up the groove, link up the inside in groove and transversely inserted cardboard (24), the inner wall rear side of lower cover right side board (22) is provided with direction spacing post (25), fan (7) are installed on the right side of lower cover bottom plate (21), fan (7) are located under lower cover upper side board (23).
3. The frequency converter of a screw-less fastener of claim 1, wherein: the top of rectifier bridge (6) is provided with rubber pad (5), the upper surface of rubber pad (5) and the lower surface contact of main circuit board (4), the left side screw (11) run through rubber pad (5), the top of right side screw hole (33) is provided with double-screw bolt (15), the upper surface of double-screw bolt (15) and the lower surface contact of main circuit board (4), the upper surface of double-screw bolt (15) is provided with fixed screw hole, right side screw (11) run through in the fixed screw hole of main circuit board (4) screw in double-screw bolt (15).
4. The frequency converter of a screw-less fastener of claim 1, wherein: the front side and the rear side of the lower cover bottom plate (21) are respectively provided with a clamping plate buckle (27), the lower parts of the front side and the rear side of the upper cover (1) are respectively provided with a buckle (8), and the buckles (8) are connected with the clamping plate buckles (27).
5. The frequency converter of a screw-less fastener of claim 2, wherein: the upper surface of the lower cover upper side plate (23) is contacted with the lower surface of the main circuit board (4).
CN202020575238.8U 2020-04-17 2020-04-17 Frequency converter of screw-saving fastener Expired - Fee Related CN211630109U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020575238.8U CN211630109U (en) 2020-04-17 2020-04-17 Frequency converter of screw-saving fastener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020575238.8U CN211630109U (en) 2020-04-17 2020-04-17 Frequency converter of screw-saving fastener

Publications (1)

Publication Number Publication Date
CN211630109U true CN211630109U (en) 2020-10-02

Family

ID=72622322

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020575238.8U Expired - Fee Related CN211630109U (en) 2020-04-17 2020-04-17 Frequency converter of screw-saving fastener

Country Status (1)

Country Link
CN (1) CN211630109U (en)

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Granted publication date: 20201002