WO2022000407A1

WO2022000407A1 - Centralised electric motor controller for controlling plurality of electric motors

Info

Publication number: WO2022000407A1
Application number: PCT/CN2020/099883
Authority: WO
Inventors: 陶加山; 陶金; 王磊; 张�荣
Original assignee: 江苏金丰机电有限公司
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2022-01-06

Abstract

The present invention relates to the technical field of electric motor controllers. Disclosed is a centralised electric motor controller for controlling a plurality of electric motors. The centralised electric motor controller comprises a mounting plate. The right side of the mounting plate is fixedly connected to a slide rail, a first metal bin is movably mounted on the right side of the mounting plate, and a first sliding block slidably connected to the slide rail is fixedly connected to the left side of the first metal bin. In the centralised electric motor controller for controlling a plurality of electric motors, by means of pulling a pull rod, a toggle plate is moved to the right side, and a clamping rod is driven to move to the right side, so that the clamping rod is moved to be at the right side of the mounting plate. At this time, a first telescoping rod contracts, a first spring is compressed, and the first sliding block is aligned with the slide rail, and then the first sliding block slides into the slide rail, until an insertion rod is inserted into a third through hole; a second telescoping rod is caused to contract; a second spring is compressed until the clamping rod corresponds to a clamping slot, and then the pull rod is released; and the clamping rod is inserted into the clamping slot by means of the tension of the first spring, so that rapid mounting of an electric motor controller body is achieved.

Description

A centralized motor controller for controlling multiple motors

technical field

The invention relates to the technical field of motor controllers, in particular to a centralized motor controller for controlling multiple motors.

Background technique

With the development of motor technology, permanent magnet synchronous motor has appeared. Permanent magnet synchronous motor has the characteristics of energy saving and environmental protection, high reliability and controllability, low noise and easy realization of intelligence, which can solve the shortcomings of AC motor. Therefore, , Permanent magnet synchronous motors have been used in many equipment to reduce energy consumption. This kind of motor must be equipped with a motor controller, and the motor controller is used to achieve the purpose of electronic commutation of current. Therefore, some people in the industry are also referred to as ECM motors and motor controllers. It is an integrated circuit that controls the motor to work according to the set direction, speed, angle and response time by actively working.

In many cases, we need to use a centralized motor controller to control the operation of multiple motors. For example, Chinese patent CN 102769418 B discloses a centralized motor controller for controlling multiple motors. In this device, all the multiple motors are All are permanent magnet synchronous motors without motor controller. The motor control interface circuit includes multiple inverter units and multiple rotor position detection units. The microprocessor communicates with one motor through one inverter unit and one rotor position detection unit. The connection can maximize the purpose of energy saving and reduce product cost, and the rotor position detection unit is a phase current detection unit. The rotor position data is calculated by real-time phase current, which can simplify the connection and reduce the cost without using Hall elements. At the same time, the power supply part, microprocessor, user interface and memory are integrated on a main circuit board, an inverter unit and a rotor position detection unit are integrated on a sub-circuit board, and the main circuit board is connected with 2 or 2 The sub-circuit boards above the block are connected by plug-in ports and connectors, which can be arbitrarily configured according to the actual situation, and the use is flexible and convenient. The device is not easy to maintain, so a centralized motor controller for controlling multiple motors is proposed to solve the above problems.

SUMMARY OF THE INVENTION

(1) Technical problems solved

Aiming at the deficiencies of the prior art, the present invention provides a centralized motor controller for controlling multiple motors, which has the advantages of being easy to maintain, and solves the problem of troublesome use and installation, and the inability to quickly install and disassemble the entire controller. It is thus a problem to make the whole device inconvenient to maintain.

(2) Technical solutions

In order to achieve the above purpose of facilitating maintenance, the present invention provides the following technical solution: a centralized motor controller for controlling multiple motors, comprising a mounting plate, the right side of the mounting plate is fixedly connected with a slide rail, and the right side of the mounting plate is The right side is movably installed with a first metal bin, the left side of the first metal bin is fixedly connected with a first slider that is slidably connected to the slide rail, and the right side of the mounting plate is fixedly connected with a fixing plate at the bottom of the slide rail , the right side of the installation plate is movably installed with a movable plate at the bottom of the first metal bin, the left side of the movable plate is fixedly connected with a second slider that is slidably connected to the slide rail, and the bottom of the movable plate is movably installed There is a threaded rod with one end running through and extending to the bottom of the fixing plate, the motor controller body is fixedly connected to the right side of the first metal bin, and the heat sink located inside the first metal bin is fixedly connected to the left side of the motor controller body. The top of the heat dissipation chamber is connected with a water replenishing port, the outer side of the water replenishing port is threadedly connected with a cover, the inner wall of the left side of the heat dissipation chamber is fixedly installed with a semiconductor refrigeration chip, and the inner wall of the right side of the heat dissipation chamber is fixedly installed with a There are six heat-conducting blocks with one end running through and extending to the inside of the motor controller body. The front of the left side of the motor controller body is fixedly connected with a metal plate on the top of the first metal bin, and the left side of the metal plate is fixed A second metal bin is connected, the front of the right side of the mounting plate is provided with a slot on the top of the slide rail, the inner wall on the right side of the second metal bin is fixedly connected with a first telescopic rod, and the first telescopic rod is The left side is fixedly connected with a first limit plate, the left side of the first limit plate is fixedly connected with a clamping rod whose one end penetrates and extends into the interior of the clamping slot, and a first spring is sleeved on the outer side of the first telescopic rod, The top of the first limit plate is fixedly connected with a toggle plate with one end passing through and extending to the top of the second metal bin, and the right side of the toggle plate is fixedly connected with a pull rod with one end passing through and extending to the right side of the metal plate, The bottom of the first metal bin is fixedly connected with a second telescopic rod, the bottom of the second telescopic rod is fixedly connected with a second limit plate, and the bottom of the second limit plate is fixedly connected with one end passing through and extending to the The insertion rod at the bottom of the movable plate, the outer side of the second telescopic rod is sheathed with a second spring, the front of the motor controller body is fixedly installed with an input access port, and the front of the motor controller body is fixedly installed with an input port located at the front of the motor controller body. Isolated electrical connection at the bottom of the inlet.

Preferably, the shape of the first metal bin is a rectangle with a hollow interior and a missing right side and a top, and both the movable plate and the fixed plate are perpendicular to the mounting plate.

Preferably, the bottom of the fixing plate is provided with a threaded through hole, and the threaded through hole is threadedly connected with the threaded rod.

Preferably, the interior of the heat dissipation bin is filled with water, six of the heat conducting blocks are evenly and equidistantly installed on the inner wall of the right side of the heat dissipation bin, and the heat conducting blocks are copper rods.

Preferably, the outer peripheral wall of the water replenishment port is provided with a threaded groove, the inner peripheral wall of the cover is threaded, and the cover is threadedly connected to the threaded groove of the outer peripheral wall of the water replenishment port through the thread of the inner peripheral wall.

Preferably, the size of the clamping slot is adapted to the size of the clamping rod, and the left side of the second metal bin is provided with a first through hole adapted to the clamping rod.

Preferably, the top of the second metal bin is provided with a rectangular through hole, the width of the rectangular through hole is the same as the width of the toggle plate, and the length of the rectangular through hole is two-thirds of the length of the second metal bin .

Preferably, the left side of the metal plate is provided with a second through hole adapted to the pull rod, and the clamping rod is perpendicular to the mounting plate.

Preferably, the bottom of the movable plate is provided with a third through hole adapted to the insertion rod, and the insertion rod is perpendicular to the movable plate.

(3) Beneficial effects

Compared with the prior art, the present invention provides a centralized motor controller for controlling multiple motors, which has the following beneficial effects:

1. The centralized motor controller that controls multiple motors moves the toggle plate to the right by pulling the pull rod, which drives the clamping rod to move to the right, so that the clamping rod moves to the right side of the mounting plate. At this time, the first When a telescopic rod is contracted, the first spring is compressed, align the first slider with the slide rail, and then slide the first slider into the slide rail until the insertion rod is inserted into the third through hole, and the second telescopic rod is contracted , the second spring is compressed until the clamping rod corresponds to the clamping slot, loosen the pulling rod, and insert the clamping rod into the clamping slot through the tension of the first spring, so as to realize the rapid installation of the motor controller body, and then turn the threaded rod, The threaded rod is moved upward through the threaded connection with the threaded through hole, and the movable plate is moved upward, so that the second spring is compressed more tightly, and the tension generated by the second spring is greater, so that the motor controller body can be installed more stably , When the motor controller body needs to be disassembled, the pull rod can be pulled to make the clamping rod out of the slot, and then the motor controller body can be pulled out, which realizes the rapid installation and disassembly of the motor controller body, and makes the maintenance of the whole device easier. It is convenient and improves the maintenance efficiency of the whole device.

2. The centralized motor controller that controls multiple motors is provided with a heat-conducting block, so that the temperature generated inside the motor controller body during operation can be transferred to the heat-dissipating compartment by the heat-conducting block, and then by the liquid water in the heat-dissipating compartment. Absorption, achieves the effect of cooling, and ensures that the internal temperature of the motor controller body is lower when it is working, so that the working efficiency of the motor controller body is higher. Start, cool down the water in the heat dissipation chamber, keep the liquid water in the heat dissipation chamber at a low temperature, and ensure the heat dissipation effect of the motor controller body.

Description of drawings

1 is a schematic structural diagram of a centralized motor controller for controlling multiple motors proposed by the present invention;

2 is a cross-sectional view of a first metal bin of a centralized motor controller for controlling multiple motors proposed by the present invention;

FIG. 3 is an enlarged structural schematic diagram of A in FIG. 1 of a centralized motor controller for controlling multiple motors proposed by the present invention;

FIG. 4 is an enlarged structural schematic diagram of B in FIG. 1 of a centralized motor controller for controlling multiple motors proposed by the present invention.

In the figure: 1 mounting plate, 2 slide rail, 3 first slider, 4 motor controller body, 5 fixed plate, 6 first metal compartment, 7 heat conduction block, 8 cover, 9 water supply port, 10 heat dissipation compartment, 11 semiconductor Refrigeration sheet, 12 input ports, 13 isolated electrical ports, 14 levers, 15 toggle plates, 16 pull rods, 17 metal plates, 18 first springs, 19 first telescopic rods, 20 first limit plates, 21 Second metal bin, 22 card slot, 23 second telescopic rod, 24 second spring, 25 movable plate, 26 second slider, 27 threaded rod, 28 insert rod, 29 second limit plate.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figure 1-4, a centralized motor controller for controlling multiple motors, including a mounting plate 1, a slide rail 2 is fixedly connected to the right side of the mounting plate 1, and the mounting plate 1 is fixed and installed at the place where the device is used by bolts , if you want to maintain the whole device later, you don't need to disassemble the installation plate 1, just disassemble the whole device from the installation plate 1, the right side of the installation plate 1 is movably installed with the first metal bin 6, The shape of a metal bin 6 is a rectangle with a hollow inside and both the right side and the top are missing. The left side of the first metal bin 6 is fixedly connected with the first slider 3 slidably connected with the slide rail 2, and the right side of the mounting plate 1 is fixedly connected A fixed plate 5 located at the bottom of the slide rail 2 is fixedly connected, and a movable plate 25 located at the bottom of the first metal bin 6 is movably mounted on the right side of the mounting plate 1. Both the movable plate 25 and the fixed plate 5 are perpendicular to the mounting plate 1, The left side of the movable plate 25 is fixedly connected with a second sliding block 26 slidably connected to the slide rail 2 , and the bottom of the movable plate 25 is movably mounted with a threaded rod 27 penetrating and extending to the bottom of the fixed plate 5 at one end. There are threaded through holes, the threaded through holes are threadedly connected with the threaded rod 27, the motor controller body 4 is fixedly connected to the right side of the first metal bin 6, and the left side of the motor controller body 4 is fixedly connected to the inside of the first metal bin 6. The interior of the heat dissipation chamber 10 is filled with water, the top of the heat dissipation chamber 10 is connected with a water replenishment port 9, the outer side of the water replenishment port 9 is threadedly connected with a cover 8, and the outer peripheral wall of the water replenishment port 9 is provided with a threaded groove. The inner peripheral wall is threaded, and the cover 8 is threadedly connected to the threaded groove of the outer peripheral wall of the water replenishment port 9 through the thread of the inner peripheral wall. The inner wall of the side is fixedly installed with a semiconductor cooling chip 11, and the model of the semiconductor cooling chip 11 can be XH-X166. The inner wall on the right side of the heat dissipation bin 10 is fixedly installed with a number of six and one end penetrates and extends to the inside of the motor controller body 4. The heat-conducting block 7, six heat-conducting blocks 7 are evenly and equidistantly installed on the inner wall of the right side of the heat-dissipating bin 10. The heat-conducting block 7 is a copper rod. It can be transmitted to the heat dissipation bin 10 by the heat conduction block 7, and then absorbed by the liquid water in the heat dissipation bin 10, so as to achieve the effect of cooling, and ensure that the internal temperature of the motor controller body 4 is low when working, so that the motor controller body 4 has higher working efficiency. When the motor controller body 4 is started, the semiconductor refrigeration sheet 11 in the heat dissipation bin 10 will be activated to cool the water in the heat dissipation bin 10, so that the liquid water in the heat dissipation bin 10 can be kept at a low level. The temperature ensures the heat dissipation effect of the motor controller body 4. The front side of the motor controller body 4 is fixedly connected to the metal plate 17 located on the top of the first metal bin 6, and the left side of the metal plate 17 is fixedly connected to the second metal bin. 21. The front side of the right side of the mounting plate 1 is provided with a slot 22 at the top of the slide rail 2, and the inner wall of the right side of the second metal bin 21 is fixedly connected with a first telescopic rod 19. The first telescopic rod 19 is composed of a first set of rods and The first sports rod is composed of one end of the first sports rod passing through wear and extend to the inside of the first set of rods, the bottom of the outer side of the first movement rod is fixedly connected with a first limit block located inside the first set of rods, and the top of the first set of rods is provided with a set of matching with the first movement rod The first through hole of the first telescopic rod 19 is provided with a first limit block to prevent the first movement rod from being separated from the first sleeve rod during the movement process. The left side of the first telescopic rod 19 is fixedly connected with a first limit plate 20. The left side of the first limiting plate 20 is fixedly connected with a clamping rod 14 , one end of which penetrates and extends into the interior of the clamping slot 22 . , the left side of the second metal bin 21 is provided with a first through hole adapted to the clamping rod 14, the outer side of the first telescopic rod 19 is sheathed with a first spring 18, and the top of the first limit plate 20 is fixedly connected with one end The toggle plate 15 runs through and extends to the top of the second metal compartment 21. The top of the second metal compartment 21 is provided with a rectangular through hole. The width of the rectangular through hole is the same as the width of the toggle plate 15. The length of the rectangular through hole is Two thirds of the length of the metal bins 21 , the right side of the toggle plate 15 is fixedly connected with a pull rod 16 , one end of which penetrates and extends to the right side of the metal plate 17 , and the left side of the metal plate 17 is provided with a matching pull rod 16 . The second through hole, the bottom of the first metal bin 6 is fixedly connected with a second telescopic rod 23, the second telescopic rod 23 is composed of a second set of rods and a second movement rod, one end of the second movement rod penetrates and extends to the second set of Inside the rod, the bottom of the outer side of the second movement rod is fixedly connected with a second limit block located inside the second set of rods, and the top of the second set of rods is provided with a second through hole adapted to the second motion rod. A second limit block is provided to prevent the second movement rod from disengaging from the second set of rods during the movement process. The bottom of the second telescopic rod 23 is fixedly connected with a second limit plate 29, and the bottom of the second limit plate 29 is fixedly connected. There is fixedly connected an insertion rod 28 whose one end penetrates and extends to the bottom of the movable plate 25. The bottom of the movable plate 25 is provided with a third through hole that is adapted to the insertion rod 28. The insertion rod 28 and the movable plate 25 are vertical. The outer side of the telescopic rod 23 is sheathed with a second spring 24 , the front of the motor controller body 4 is fixedly installed with the input access port 12 , and the front of the motor controller body 4 is fixedly installed with an isolated electrical connection port 13 located at the bottom of the input access port 12 , by pulling the pull rod 16, the toggle plate 15 is moved to the right, and the clamping rod 14 is moved to the right, so that the clamping rod 14 is moved to the right side of the mounting plate 1. At this time, the first telescopic rod 19 contracts, the first The spring 18 is compressed, align the first sliding block 3 with the sliding rail 2, and then slide the first sliding block 3 into the sliding rail 2 until the insertion rod 28 is inserted into the third through hole, and the second telescopic rod 23 is retracted , the second spring 24 is compressed until the clamping rod 14 corresponds to the clamping slot 22 , the pull rod 16 is released, and the clamping rod 14 is inserted into the clamping slot 22 by the tension of the first spring 18 , thereby realizing the motor controller body 4 . Quickly install, and then turn the threaded rod 27, so that the threaded rod 27 moves upward through the threaded connection with the threaded through hole, and drives the movable plate 25 to move upward, so that the second spring 24 is compressed more tightly. The greater the tension, the more stable the installation of the motor controller body 4. When the motor controller body 4 needs to be disassembled, the pull rod 16 can be pulled to make the clamping rod 14 separate from the clamping slot 22, and then the motor controller body 4 can be pulled out. That is, the rapid installation and disassembly of the motor controller body 4 is realized, the maintenance of the entire device is more convenient, and the maintenance efficiency of the entire device is improved.

To sum up, the centralized motor controller that controls multiple motors moves the toggle plate 15 to the right by pulling the pull rod 16, and drives the clamping rod 14 to move to the right, so that the clamping rod 14 moves to the position on the mounting plate. On the right side of 1, the first telescopic rod 19 is contracted and the first spring 18 is compressed. Align the first slider 3 with the slide rail 2, and then slide the first slider 3 into the slide rail 2 until the rod is inserted. 28 is inserted into the third through hole, and the second telescopic rod 23 is contracted, and the second spring 24 is compressed until the clamping rod 14 corresponds to the clamping slot 22, release the pulling rod 16, and the tension of the first spring The rod 14 is inserted into the slot 22, so as to realize the rapid installation of the motor controller body 4, and then the threaded rod 27 is rotated, so that the threaded rod 27 moves upward through the threaded connection with the threaded through hole, and drives the movable plate 25 to move upward, so that the second The spring 24 is compressed more tightly, and the tension generated by the second spring 24 is greater, so that the motor controller body 4 can be installed more stably. When the motor controller body 4 needs to be disassembled, the pull rod 16 can be pulled to make the clamping rod 14 is removed from the card slot 22, and then the motor controller body 4 can be pulled out, which realizes the rapid installation and disassembly of the motor controller body 4, makes the maintenance of the whole device more convenient, and improves the maintenance efficiency of the whole device.

In addition, by providing the heat-conducting block 7, the temperature generated inside the motor controller body 4 during operation can be transferred to the heat-dissipating bin 10 by the heat-conducting block 7, and then absorbed by the liquid water in the heat-dissipating bin 10, thereby achieving the effect of cooling. , to ensure that the internal temperature of the motor controller body 4 is lower when it is working, so that the working efficiency of the motor controller body 4 is higher. When the motor controller body 4 is started, the semiconductor refrigeration chip 11 in the heat dissipation bin 10 will start, The cooling of the water in the heat dissipation bin 10 keeps the temperature of the liquid water in the heat dissipation bin 10 relatively low, which ensures the heat dissipation effect of the motor controller body 4, and solves the troublesome use and installation of the whole controller. It is a problem to carry out installation and disassembly, thereby making the whole device inconvenient for maintenance.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A centralized motor controller for controlling multiple motors, comprising a mounting plate (1), characterized in that a slide rail (2) is fixedly connected to the right side of the mounting plate (1), and the mounting plate (1) A first metal bin (6) is movably installed on the right side of the first metal bin (6), and a first slider (3) slidingly connected to the slide rail (2) is fixedly connected to the left side of the first metal bin (6). The mounting plate The right side of (1) is fixedly connected with a fixed plate (5) located at the bottom of the slide rail (2), and the right side of the mounting plate (1) is movably mounted with a movable plate (25) located at the bottom of the first metal bin (6). ), the left side of the movable plate (25) is fixedly connected with a second slider (26) slidably connected to the slide rail (2), and the bottom of the movable plate (25) is movably installed with one end running through and extending to the fixed A threaded rod (27) at the bottom of the plate (5), a motor controller body (4) is fixedly connected to the right side of the first metal bin (6), and a motor controller body (4) is fixedly connected to the left side of the motor controller body (4). The heat dissipation chamber (10) located inside the first metal chamber (6), the top of the heat dissipation chamber (10) is connected with a water replenishing port (9), and the outer side of the water replenishing port (9) is screwed with a cover (8), Semiconductor refrigeration sheets (11) are fixedly installed on the inner wall on the left side of the heat dissipation bin (10), and six are fixedly installed on the inner wall on the right side of the heat dissipation bin (10), and one end penetrates and extends to the motor controller body ( 4) The inner heat conducting block (7), the front of the left side of the motor controller body (4) is fixedly connected with a metal plate (17) on the top of the first metal bin (6). A second metal bin (21) is fixedly connected on the left side, a card slot (22) located on the top of the slide rail (2) is opened on the front side of the right side of the mounting plate (1), and the second metal bin (21) is on the right side. The inner wall of the side is fixedly connected with a first telescopic rod (19), the left side of the first telescopic rod (19) is fixedly connected with a first limit plate (20), and the left side of the first limit plate (20) is fixedly connected with The side is fixedly connected with a clamping rod (14) whose one end penetrates and extends into the interior of the clamping slot (22). The top of 20) is fixedly connected with a toggle plate (15) with one end passing through and extending to the top of the second metal bin (21), and the right side of the toggle plate (15) is fixedly connected with one end passing through and extending to the metal plate (15). 17) The pull rod (16) on the right side, the bottom of the first metal bin (6) is fixedly connected with a second telescopic rod (23), and the bottom of the second telescopic rod (23) is fixedly connected with a second limit A plate (29), the bottom of the second limit plate (29) is fixedly connected with an insertion rod (28) whose one end penetrates and extends to the bottom of the movable plate (25), and the outer side of the second telescopic rod (23) is sleeved There is a second spring (24), an input access port (12) is fixedly installed on the front of the motor controller body (4), and an input access port (12) is fixedly installed on the front of the motor controller body (4). Isolated electrical connection port (13) at the bottom.
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the shape of the first metal bin (6) is a rectangle with a hollow inside and both the right side and the top are missing, so Both the movable plate (25) and the fixed plate (5) are perpendicular to the mounting plate (1).
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the bottom of the fixing plate (5) is provided with a threaded through hole, and the threaded through hole is connected to the threaded rod (27) Threaded connection.
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the interior of the heat dissipation bin (10) is filled with water, and the six heat conduction blocks (7) are evenly equidistant. It is installed on the inner wall of the right side of the heat dissipation bin (10), and the heat conduction block (7) is a copper rod.
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the outer peripheral wall of the water replenishing port (9) is provided with a threaded groove, and the inner peripheral wall of the cover (8) is threaded The cover (8) is threadedly connected to the threaded groove of the outer peripheral wall of the water replenishing port (9) through the thread of the inner peripheral wall.
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the size of the card slot (22) is adapted to the size of the card rod (14), and the second metal The left side of the bin (21) is provided with a first through hole matching with the clamping rod (14).
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: a rectangular through hole is formed at the top of the second metal bin (21), and the width of the rectangular through hole is the same as that of the dial The width of the moving plate (15) is the same, and the length of the rectangular through hole is two thirds of the length of the second metal bin (21).
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the left side of the metal plate (17) is provided with a second through hole adapted to the pull rod (16), The clamping rod (14) is perpendicular to the mounting plate (1).
A centralized motor controller for controlling multiple motors according to claim 1, characterized in that: the bottom of the movable plate (25) is provided with a third through hole adapted to the insertion rod (28), The insertion rod (28) is vertical to the movable plate (25).