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CN-224218666-U - Core structure for frequency converter convenient to installation

CN224218666UCN 224218666 UCN224218666 UCN 224218666UCN-224218666-U

Abstract

The utility model discloses a core structure for a frequency converter, which is convenient to install, relates to the technical field of frequency converter installation structures, and comprises a chassis and a core board, wherein an installation substrate is fixedly arranged in the chassis, the installation mechanism is arranged between the machine core plate and the installation base plate, the upper surface of the machine core plate is respectively provided with a machine core element body and a wiring terminal, and the upper surface of the machine core plate is provided with the circuit fixing mechanism. According to the utility model, through the arrangement of the mounting mechanism, the plugboard on the lower surface of the core plate is inserted into the socket of the mounting substrate, the limiting toothed plate is pushed to be clamped with the clamping groove of the plugboard under the action of the spring, the core plate can be fixed on the mounting substrate under the limitation of the limiting toothed plate, so that the assembly work can be completed, and when the assembly work is disassembled, the push rod is pushed to drive the limiting toothed plate to retract into the limiting groove, so that the limiting toothed plate is separated from the clamping groove, and at the moment, the core plate and the mounting substrate can be disassembled and separated without the need of mounting the core through a bolt fastening mode, thereby providing convenience for the assembly work.

Inventors

  • ZHANG JINHUA

Assignees

  • 太原达锐科技有限公司

Dates

Publication Date
20260508
Application Date
20250515

Claims (7)

  1. 1. The utility model provides a core structure for converter convenient to installation, its characterized in that includes quick-witted case (1) and core board (2), and the inside fixed mounting of machine case (1) has mounting substrate (3), is provided with the installation mechanism between core board (2) and mounting substrate (3), and core component body (4) and binding post (5) are installed respectively to the upper surface of core board (2), and the upper surface of core board (2) is provided with circuit fixed establishment; The installation mechanism comprises two plugboards (6) which are fixedly installed on the lower surface of the machine core board (2) and are symmetrical, two jacks which correspond to the positions of the two plugboards (6) are formed in the surface of the installation substrate (3), limiting grooves are formed in the inner walls of the jacks, springs (7) are fixedly installed on the inner walls of the limiting grooves, limiting toothed plates (8) are fixedly installed at one ends of the inner walls of the springs (7) away from the limiting grooves, clamping grooves which are matched with the limiting toothed plates (8) are formed in the surface of the plugboards (6), sliding strip openings penetrating through the inside of the limiting grooves are formed in the front of the installation substrate (3), and push rods (9) fixedly connected with the front sides of the limiting toothed plates (8) are connected to the inner walls of the sliding strip openings in a sliding mode.
  2. 2. The movement structure for the frequency converter, which is convenient to install, according to claim 1, is characterized in that a limit sliding block (10) is arranged on the back surface of the limit toothed plate (8), and a limit sliding groove for sliding the limit sliding block (10) is formed in the inner rear wall of the limit groove.
  3. 3. The movement structure for the frequency converter convenient to install according to claim 1, characterized in that the circuit fixing mechanism comprises an installation groove which is formed in the upper surface of the movement board (2) and adjacent to the position of the wiring terminal (5), a rotating opening which penetrates through the installation groove is formed in the right side surface of the movement board (2), an operating rod (11) is rotatably connected to the inner wall of the rotating opening, the left end of the operating rod (11) extends to the inside of the installation groove and is fixedly connected with a bidirectional threaded rod (12), two symmetrical threaded blocks (13) are in threaded connection with the surface of the bidirectional threaded rod (12), a first moving plate (14) and a second moving plate (15) are fixedly installed on the upper surfaces of the two threaded blocks (13), and wire placing grooves (16) are formed in the surfaces of the first moving plate (14) and the second moving plate (15).
  4. 4. A movement structure for a frequency converter convenient to install according to claim 3, characterized in that the lower surface of the screw block (13) is provided with a guide slide block (17), and the inner bottom wall of the installation groove is provided with a guide slide groove for the guide slide block (17) to slide.
  5. 5. A movement structure for a frequency converter, which is convenient to install according to claim 3, characterized in that the number of the wire-placing grooves (16) is the same as the number of the wire-placing grooves of the connecting terminal (5), and the positions of the wire-placing grooves (16) and the wire-placing grooves of the connecting terminal (5) correspond.
  6. 6. The movement structure for the frequency converter, which is convenient to install, according to claim 1, is characterized in that a heat dissipation opening is formed in the lower surface of the installation substrate (3), a heat conducting plate (18) is embedded in the inner wall of the heat dissipation opening, and a plurality of heat dissipation fins (19) which are arrayed at equal intervals are installed on the lower surface of the heat conducting plate (18).
  7. 7. The movement structure for the frequency converter, which is convenient to install, according to claim 1, wherein fans (20) are embedded in the left side of the chassis (1), the number of the fans (20) is a plurality, and the plurality of fans (20) are embedded in the left side of the chassis (1) at equal intervals.

Description

Core structure for frequency converter convenient to installation Technical Field The utility model relates to the technical field of frequency converter mounting structures, in particular to a movement structure for a frequency converter, which is convenient to mount. Background The frequency converter is a power control device which controls the alternating current motor by changing the frequency of a working power supply of the motor by applying a frequency conversion technology and a microelectronic technology. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detecting unit and a micro-processing unit, wherein the machine core is one of main components of the frequency converter. The patent document with the publication number of CN217135357U discloses a frequency converter movement, which comprises a mounting plate, a capacitor assembly, a main power plate and a radiator, wherein the mounting plate comprises a first area and a second area, the capacitor assembly is arranged in the first area, the capacitor assembly comprises a capacitor plate and a bus capacitor, the capacitor plate is arranged on one side of the mounting plate, a yielding hole which is adapted to the bus capacitor is formed in the mounting plate, the bus capacitor penetrates through the yielding hole and stretches into the other side of the mounting plate, the main power plate is arranged on one side, away from the mounting plate, of the capacitor plate, so that the capacitor plate is positioned between the mounting plate and the main power plate, and the radiator is arranged on one side, away from the capacitor plate, of the mounting plate and is positioned in the second area. Through reasonable layout of the frequency converter movement structure, space is saved, modular installation is realized, maintenance cost is reduced, and a plurality of application occasions can be met. According to the scheme, when the frequency converter is in actual use, the movement is mounted on the mounting substrate in a bolt fastening mode, and the mounting mode requires a large number of mounting tools such as bolts and screwdrivers to be carried by workers, so that the frequency converter is complex in operation, and inconvenience is brought to assembly work of the movement and the frequency converter. Disclosure of utility model The utility model discloses a core structure for a frequency converter, which is convenient to install, and aims to solve the technical problem that the existing frequency converter installation structure is inconvenient to install. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a core structure for converter convenient to installation, includes quick-witted case and core board, and the inside fixed mounting of machine case has the installation base plate, is provided with the installation mechanism between core board and the installation base plate, and core component body and binding post are installed respectively to the upper surface of core board, and the upper surface of core board is provided with circuit fixed establishment; The installation mechanism comprises two plugboards fixedly installed on the lower surface of the machine core board and symmetrically, two insertion holes corresponding to the two plugboard positions are formed in the surface of the installation base board, a limit groove is formed in the inner wall of each insertion hole, a spring is fixedly installed on the inner wall of each limit groove, a limit toothed plate is fixedly installed at one end of the inner wall of each limit groove, which is far away from the corresponding spring, a clamping groove matched with the corresponding limit toothed plate is formed in the surface of each plugboard, a sliding strip opening penetrating into the corresponding limit groove is formed in the front surface of the installation base board, and a push rod fixedly connected with the front surface of the corresponding limit toothed plate is connected to the inner wall of each sliding strip opening in a sliding mode. In a preferred scheme, the back of the limiting toothed plate is provided with a limiting sliding block, and the inner rear wall of the limiting groove is provided with a limiting sliding groove for the sliding of the limiting sliding block. Through setting up spacing slider, under the direction effect of spacing slider, spacing pinion rack can be smooth and easy carry out directional movement in the spacing inslot. In a preferred scheme, circuit fixed establishment is including seting up at the quick-witted core upper surface and with the adjacent mounting groove of binding post position, and the right side surface of quick-witted core has been setted up and has been run through to the inside rotation openin