CN216313606U

CN216313606U - Electric forklift controller

Info

Publication number: CN216313606U
Application number: CN202122799326.3U
Authority: CN
Inventors: 李文龙; 巩炜; 叶兆刚; 伍志文
Original assignee: Shenzhen Pingyun Intelligent Equipment Technology Co ltd
Current assignee: Shenzhen Pingyun Intelligent Equipment Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-15
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of electric forklifts, in particular to an electric forklift controller, which comprises a control board, an upper cover shell fixedly connected to the upper end of the control board, and a heat dissipation plate fixedly connected to the lower end of the control board; the control panel is provided with a main control module, a driving module, a pump control module and a power module; the power module comprises an aluminum substrate and a plurality of MOS tubes fixedly mounted on the aluminum substrate, and the power module is fixedly connected to the lower side of the control board through pins of the MOS tubes. The electric forklift controller integrates the pump control module, saves a single controller, saves space, reduces cost, can realize the speed regulation function by the integrated pump control module, and not only realizes the pump control function through the contactor; the power module adopts a scheme of directly welding an aluminum substrate MOS tube, and has simple structure, low cost and high space utilization rate; the heat dissipation plate realizes timely heat dissipation of the controller and protects components inside the controller.

Description

Electric forklift controller

Technical Field

The utility model relates to the technical field of electric forklifts, in particular to an electric forklift controller.

Background

The electric forklift controller is a key part of the electric forklift and plays a vital role in the electric forklift, and the controller is required to be connected with each external structure and auxiliary equipment of the electric forklift. The conventional electric forklift controller is only provided with a control module generally, and is not integrated with a pump control module, two controllers are required to be independently arranged, so that the cost is high, and the waste of space of the electric forklift is caused; or the pump control function is realized only through the contactor, the speed regulation function cannot be realized, and the efficiency is lower; and the control module usually adopts the traditional D2PAK to package the aluminum substrate, the installation structure is complex, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric forklift controller which integrates a pump control module, adopts a scheme of directly welding an aluminum substrate MOS tube as a power module, and has the advantages of simple structure, low cost and high space utilization rate.

In order to solve the problems in the background art, the utility model adopts the following technical scheme:

an electric forklift controller comprises a control panel, an upper cover shell fixedly connected to the upper end of the control panel and a heat dissipation plate fixedly connected to the lower end of the control panel; the control panel is provided with a main control module, a driving module, a pump control module and a power module; the power module comprises an aluminum substrate and a plurality of MOS tubes fixedly mounted on the aluminum substrate, and the power module is fixedly connected to the lower side of the control board through pins of the MOS tubes.

Furthermore, the aluminum substrate is strip-shaped, and the MOS tubes are transversely arranged on the aluminum substrate.

Further, the MOS tube adopts a TO-220 packaging pin.

Furthermore, the pins of the MOS tube are bent upwards to form an L shape, and the free ends of the L-shaped pins are fixedly connected with the control board.

Furthermore, the control panel is also provided with a plurality of binding posts and a plurality of low-voltage signal wiring terminal rows.

Furthermore, the upper cover shell is provided with a plurality of wiring ports and a plurality of low-voltage signal interfaces, the wiring ports correspond to the wiring terminals, and the low-voltage signal interfaces correspond to the low-voltage signal wiring terminal rows.

Furthermore, a connector waterproof mechanism is further arranged on the control panel, and the connector waterproof mechanism is arranged corresponding to the low-voltage signal wiring terminal strip.

Furthermore, a sealing ring is arranged between the control panel and the heat dissipation plate.

Compared with the prior art, the utility model has the beneficial effects that:

1) the electric forklift controller integrates the pump control module, saves a single controller, saves space and reduces cost, and the integrated pump control module can realize the speed regulation function and not only realize the pump control function through the contactor.

2) The power module adopts the scheme of directly welding the MOS tube of the aluminum substrate, and has the advantages of simple structure, low cost and high space utilization rate.

3) The heat dissipation plate is arranged, so that the controller can dissipate heat timely, and components inside the controller can be protected.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall structure of an electric forklift controller according to the present invention;

in the figure: the circuit board comprises a control board 1, a top cover shell 2, a heat dissipation plate 3, a sealing ring 4, a power module 11, a wiring terminal 12, a low-voltage signal wiring terminal row 13, a connector waterproof mechanism 14, a wiring port 21, a low-voltage signal interface 22, an aluminum substrate 111, a MOS transistor 112 and a pin 113.

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 present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model is discussed in detail below with reference to FIG. 1 and specific examples:

the utility model discloses an electric forklift controller, which comprises a control panel 1, an upper cover shell 2 fixedly connected to the upper end of the control panel 1 and a heat dissipation plate 3 fixedly connected to the lower end of the control panel 1, wherein the control panel 1 is provided with a plurality of through holes; the control panel 1 is provided with a main control module, a driving module, a pump control module and a power module 11; the control panel 1 is the core part of the controller; the upper cover shell 2 is used for protecting control elements inside the controller and is used as a channel for interaction of the controller and the outside; the heat dissipation plate 3 is used for timely heat dissipation of the controller and can protect control elements inside the controller; the main control module is used for receiving and processing control signals such as a handle and a button of the forklift and then sending out the control signals, the driving module is used for driving the walking motor, the pump control module is used for driving the lifting motor, and the power module 11 is used as an electronic switch.

The power module 11 comprises an aluminum substrate 111 and a plurality of MOS tubes 112 fixedly mounted on the aluminum substrate 111, and the power module 11 is fixedly connected to the lower side of the control board 1 through pins 113 of the MOS tubes 112; the power module 11 adopts the MOS tube 112, so that the structure of the controller can be simplified, and the cost is saved; the power module 11 is fixed at the lower side of the control panel 1, and other functional modules can be arranged at the upper side of the control panel 1, so that the space is saved.

Further, the aluminum substrate 111 is strip-shaped, and the MOS tubes 112 are transversely arranged on the aluminum substrate 111; this arrangement can realize the lateral expansion of the MOS transistor 112 on the aluminum substrate 111.

Furthermore, the MOS tube 112 adopts TO-220 packaging pins 113, and compared with a common D2PAK packaging and welding aluminum substrate 111 in a supporting aluminum column form, the structure is simpler, and the space is more saved.

Furthermore, the pin 113 of the MOS transistor 112 is bent upward to form an L-shape, and the free end of the L-shaped pin 113 is fixedly connected to the control board 1.

Furthermore, the control panel 1 is also provided with a plurality of binding posts 12 and a plurality of low-voltage signal wiring terminal rows 13; the binding post 12 is used for connecting each module on the control panel 1 with a corresponding mechanism, and the low-voltage signal binding post row 13 is connected with a display of the forklift; specifically, the binding post 12 is provided with six binding posts, namely, binding posts B +, B-and P, U, V, W, the binding posts B + and B-are power supply binding posts 12, the P binding post 12 is a pump control binding post 12, the binding post U, V, W is a driving binding post 12, the pump control binding post 12 is connected with a lifting motor of a forklift, the driving binding post 12 is connected with a driving walking motor, and the power supply binding post 12 is connected with a power supply; specifically, the number of the low-voltage signal terminal block 13 is three, and the number of the low-voltage signal terminal block 13 is A, B, C, so that different use requirements can be met.

Further, the upper cover shell is provided with a plurality of wiring ports 21 and a plurality of low-voltage signal interfaces 22, the wiring ports 21 correspond to the wiring terminals 12, and the low-voltage signal interfaces 22 correspond to the low-voltage signal wiring terminal row 13, so that the control panel 1 is connected with external equipment.

Further, still be provided with connector waterproofing mechanism 14 on control panel 1, connector waterproofing mechanism 14 corresponds the setting with low-voltage signal binding post row 13 for protect low-voltage signal binding post row 13 and play waterproof effect.

Further, a sealing ring 4 is arranged between the control panel 1 and the heat dissipation plate 3 and used for preventing water and dust inside the controller.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.

Claims

1. The utility model provides an electric forklift controller, includes control panel, fixed connection upper cover casing, the fixed connection of control panel upper end are in the heating panel of control panel lower extreme, its characterized in that: the control panel is provided with a main control module, a driving module, a pump control module and a power module;

the power module comprises an aluminum substrate and a plurality of MOS tubes fixedly mounted on the aluminum substrate, and the power module is fixedly connected to the lower side of the control board through pins of the MOS tubes.

2. The electric forklift controller according to claim 1, wherein: the aluminum substrate is strip-shaped, and the MOS tubes are transversely arranged on the aluminum substrate.

3. The electric forklift controller according to claim 1, wherein: the MOS tube adopts TO-220 packaging pins.

4. The electric forklift controller according to claim 1, wherein: the pins of the MOS tube are bent upwards to form an L shape, and the free ends of the L-shaped pins are fixedly connected with the control board.

5. The electric forklift controller according to claim 1, wherein: the control panel is also provided with a plurality of binding posts and a plurality of low-voltage signal wiring terminal rows.

6. The electric forklift controller according to claim 5, wherein: the upper cover casing is provided with a plurality of wiring port and a plurality of low pressure signal interface, the wiring port with the terminal corresponds the setting, the low pressure signal interface with the low pressure signal binding post row corresponds the setting.

7. The electric forklift controller according to claim 5, wherein: the control panel is also provided with a connector waterproof mechanism, and the connector waterproof mechanism is arranged corresponding to the low-voltage signal wiring terminal strip.

8. The electric forklift controller according to claim 1, wherein: and a sealing ring is arranged between the control panel and the heat dissipation plate.