CN210745863U - Door machine frequency conversion device with vibration detection function - Google Patents

Abstract

The utility model discloses a door machine frequency conversion equipment with vibration detects function, including the door machine converter, the door machine converter is installed upright on the door machine support, the door machine converter includes casing bottom, casing upper cover and PCBA subassembly, and casing bottom both sides symmetry respectively are equipped with the glan head that quantity is two, all be equipped with in the glan head a set of signal pencil with the casing bottom is inside no thread binding post on the PCBA subassembly links to each other, inside the PCBA subassembly is fixed in the casing bottom, the PCBA subassembly includes the integrated board, the welding has board-mounted acceleration sensor and main control MCU on the integrated board, board-mounted acceleration sensor with main control MCU links to each other. Has the advantages that: the heat of the power module is directly conducted to the gantry crane support through the metal plate, so that the heat dissipation effect is good, the cost is low, and other electronic elements in the controller cannot be influenced. Meanwhile, the problems of low protection level and poor heat dissipation effect of the existing door inverter are solved.

Description

Door machine frequency conversion device with vibration detection function

Technical Field

The utility model relates to a field particularly, relates to a door machine frequency conversion equipment with vibration detects function.

Background

The existing frequency converter of the elevator door motor has no effective detection device for the state of the elevator car, and the running state of an elevator system depends on frequent checking by maintenance personnel to ensure normal and safe running of the elevator. The utility model discloses an acceleration sensing device has directly acquireed elevator operation vibration state to convey this state to the backstage through the switch board, not only promoted the timeliness that information acquireed and more reduced the dimension and protected the cost.

Conventional elevator door motor converter signal adopts plug-in binding post, requires that the controller shell to do the fluting and handles so that draw forth the connector, and this just leads to controller internal seal effect poor, and protection level is low. The utility model discloses a mode of connection adopts the first lead wire mode of glan, and sealed effect obtains very big promotion.

When the door inverter operates, the internal power module of the door inverter can generate a large amount of heat energy, if the heat energy cannot be released in time, the IPM module cannot work normally and enters a self-protection state. Usually, a built-in heat sink is tightly attached to the IPM module, so that a large pulling force is generated on pins to easily damage devices, and in addition, the heat released into the controller can also influence the service life of other electronic components.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a door machine frequency conversion equipment with vibration detection function to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a door machine frequency conversion device with a vibration detection function comprises a door machine frequency converter, wherein the door machine frequency converter is vertically installed on a door machine support and comprises a shell bottom cover, a shell upper cover and a PCBA assembly, two Glan heads are symmetrically arranged on two sides of the shell bottom cover respectively, a group of signal wire harnesses are arranged in the Glan heads and connected with a non-threaded wiring terminal on the PCBA assembly inside the shell bottom cover, the PCBA assembly is fixed inside the shell bottom cover and comprises an integrated board, an onboard acceleration sensor and a main control MCU are welded on the integrated board, the onboard acceleration sensor is connected with the main control MCU, the main control MCU is connected with an elevator control cabinet, an indicator light and keys are arranged on the upper side of the shell bottom cover, the non-threaded wiring terminals are arranged on two sides of the integrated board respectively, and a power module is arranged at one end of the integrated board far away from the indicator light, the shell upper cover is fixedly provided with a plurality of buckle type structures, and the shell upper cover is embedded into the shell bottom cover through the buckle type structures.

Further, one side of door machine converter is fixed and is equipped with the metal sheet, door machine converter passes through the metal sheet with the door machine support is connected, on metal sheet and the PCBA subassembly the power module laminating.

Further, the power module comprises a single inline power module.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a radiating mode is direct borrows the heat of power module on the metal sheet heat conduction arrives a quick-witted support, and not only the radiating effect is good, with low costs, also can not exert an influence to other electronic component in the controller. Meanwhile, the problems of low protection level and poor heat dissipation effect of the existing door inverter are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an installation position of a door machine frequency conversion device with a vibration detection function according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bottom cover of a casing in a frequency conversion device of a gantry crane with a vibration detection function according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an upper cover of a casing in a frequency conversion device of a gantry crane with a vibration detection function according to the embodiment of the present invention.

Reference numerals:

1. a gantry crane frequency converter; 2. a gantry crane support; 3. a housing bottom cover; 4. a housing upper cover; 5. a PCBA component; 6. a glan head; 7. a signal harness; 8. a threadless terminal; 9. an on-board acceleration sensor; 10. a main control MCU; 11. an indicator light; 12. pressing a key; 13. a power module; 14. a snap-in structure; 15. a metal plate.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, a door inverter frequency conversion device with vibration detection function according to an embodiment of the present invention includes a door inverter frequency converter 1, the door inverter frequency converter 1 is vertically installed on a door inverter bracket 2, the door inverter frequency converter 1 includes a casing bottom cover 3, a casing upper cover 4 and a PCBA assembly 5, two glan heads 6 are symmetrically installed on two sides of the casing bottom cover 3, a set of signal wire harness 7 is installed in each glan head 6 and connected to a screwless terminal 8 on the PCBA assembly 5 inside the casing bottom cover 3, the PCBA assembly 5 is fixed inside the casing bottom cover 3, the PCBA assembly 5 includes an integrated board, on-board acceleration sensors 9 and a master MCU10 are welded on the integrated board, the on-board acceleration sensors 9 are connected to the master MCU10, the master MCU10 is connected to an elevator control cabinet, the utility model discloses a power module, including casing bottom 3, integrated board, power module 13, fixed a plurality of buckle formula structures 14 that are equipped with on casing upper cover 4, casing bottom 3 upside is equipped with pilot lamp 11 and button 12, the both sides of integrated board are equipped with no screw thread binding post 8 respectively, the integrated board is kept away from the one end of pilot lamp 11 is equipped with power module 13, casing upper cover 4 is gone up to be fixed, casing upper cover 4 passes through buckle formula structure 14 is embedded in the casing bottom 3.

Through the technical scheme, the onboard acceleration sensor 9 is connected with the main control MCU10, the onboard acceleration sensor 9 acquires vibration data of the elevator system, and the main control MCU10 analyzes and judges the state (stall, jitter and skew) of the elevator system through the data and transmits the data to the elevator control cabinet in time. The external signal wire harness 7 is connected to a non-threaded terminal 8 on the inner PCBA component 5 through a gland head 6 on the shell bottom cover 3, and the shell upper cover 4 is of a buckle structure easy to disassemble and assemble.

Example two:

referring to fig. 1-3, for the frequency converter 1 of the gantry crane, a metal plate 15 is fixedly disposed on one side of the frequency converter 1 of the gantry crane, the frequency converter 1 of the gantry crane is connected with the gantry crane support 2 through the metal plate 15, and the metal plate 15 is attached to the power module 13 on the PCBA assembly 5.

For the power module 13, the power module 13 comprises a single inline power module.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

When the in-service use, through the above technical scheme of the utility model, the utility model discloses a radiating mode is that direct borrows the heat with power module 13 on by metal sheet 15 heat conduction to door machine support 2, and not only the radiating effect is good, with low costs, also can not exert an influence to inside other electronic component of controller. Meanwhile, the problems of low protection level and poor heat dissipation effect of the existing door inverter 1 are solved.

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 (3)

1. The door machine frequency conversion device with the vibration detection function is characterized by comprising a door machine frequency converter (1), wherein the door machine frequency converter (1) is vertically installed on a door machine support (2), the door machine frequency converter (1) comprises a shell bottom cover (3), a shell upper cover (4) and a PCBA assembly (5), two Glan heads (6) are symmetrically arranged on two sides of the shell bottom cover (3) respectively, a group of signal wire harnesses (7) are arranged in the Glan heads (6) and connected with unthreaded wiring terminals (8) on the PCBA assembly (5) inside the shell bottom cover (3), the PCBA assembly (5) is fixed inside the shell bottom cover (3), the PCBA assembly (5) comprises an integrated board, an onboard acceleration sensor (9) and a main control MCU (10) are welded on the integrated board, the onboard acceleration sensor (9) is connected with the main control MCU (10), the elevator control cabinet is characterized in that the main control MCU (10) is connected with the elevator control cabinet, an indicator lamp (11) and a key (12) are arranged on the upper side of the casing bottom cover (3), two sides of the integrated board are respectively provided with a non-threaded wiring terminal (8), one end of the indicator lamp (11) away from the integrated board is provided with a power module (13), a plurality of buckle type structures (14) are fixedly arranged on the casing upper cover (4), and the casing upper cover (4) is embedded into the casing bottom cover (3) through the buckle type structures (14).

2. The door machine frequency conversion device with the vibration detection function according to claim 1, wherein a metal plate (15) is fixedly arranged on one side of the door machine frequency converter (1), the door machine frequency converter (1) is connected with the door machine support (2) through the metal plate (15), and the metal plate (15) is attached to the power module (13) on the PCBA component (5).

3. The door machine frequency conversion device with the vibration detection function as claimed in claim 1, wherein the power module (13) comprises a single inline power module.

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