CN213782862U - Split type motor comprehensive protection controller - Google Patents

Abstract

The utility model provides a split type motor integrated protection controller relates to motor protection and control technical field. Split type motor integrated protection controller includes: and the measurement controller integrates a motor controller and a motor protector, and is connected with the operation panel through a communication line. Compared with the prior art, the utility model integrates the motor controller and the motor protector, can realize complete motor control and protection functions, and can ensure that a user can directly purchase equipment meeting the use requirement; the middle wiring and assembling processes are omitted, and connecting wires of the intelligent motor controller and the motor protector are removed, so that the wiring of the whole control is simpler and more reliable, and the fault occurrence probability can be reduced; the motor comprehensive protection controller is designed in a split mode, so that a user can conveniently operate and use the motor comprehensive protection controller in a long distance and the motor comprehensive protection controller is far away from noise of mechanical equipment such as a motor.

Description

Split type motor comprehensive protection controller

Technical Field

The utility model relates to a motor protection and control technical field, in particular to split type motor integrated protection controller.

Background

In an alternating current motor direct start control distribution box, a mode of combined use of a controller (secondary control) and a protector (primary monitoring) is generally adopted for control at present. The motor controller sold in the market can only control the start and stop of the alternating current motor, collects the switching signals on the primary components and then carries out feedback output, and does not have the function of directly judging the running state of the motor. The protector can only judge the normal and fault of the AC motor and can not directly drive the AC motor. When a client produces the motor, the motor and the motor are combined with each other and matched to use, so that the complete motor control and protection functions can be realized. In the aspect of protection and control of the motor, a user needs to purchase an intelligent controller and a motor protector, then the intelligent controller and the motor protector are connected through a complex secondary circuit, a complete motor protection and control circuit can be formed, and then the motor protection and control circuit is placed in a distribution box shell to form a complete control box. Generally, an assembled complete control box is of an integrated structure and can only be operated and used in a close range, and mechanical equipment such as a motor and the like generates noise when running, and the close distance from the noise source greatly affects the health of workers; moreover, the assembly mode causes a large amount of labor cost, has high requirements on professional literacy of workers, leads to the fact that the whole protection and control circuit cannot be used due to wiring errors easily occurring in the assembly process, and finally leads to the fact that the protection and control functions of the motor cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model provides a split type motor integrated protection controller overcomes the defect that above-mentioned prior art exists.

The specific technical scheme is that the split type motor comprehensive protection controller comprises: and the measurement controller integrates a motor controller and a motor protector, and is connected with the operation panel through a communication line.

Furthermore, a power interface for connecting a power supply, a background remote transmission communication interface for connecting a background and an external interface for connecting external equipment are arranged on the measurement controller,

the measurement controller is internally provided with a processing module CPU, a power supply module, a communication module A, an instruction input/output module and a measurement module which are respectively connected with the processing module CPU, the power supply interface is connected with the power supply module, the background remote transmission communication interface is connected with the communication module A, the external interface is connected with the instruction input/output module,

the measuring controller is externally connected with a mutual inductor and an alternating current contactor, the mutual inductor is connected with the measuring module, the alternating current contactor is connected between two driving output interfaces, and the driving output interfaces are part of the external interfaces.

Further, the external interface further includes: start signal, stop signal, automatic/manual status, fault status output, fire command signal, and other command signals.

Further, the transformer includes: the mutual inductor A, the mutual inductor B and the mutual inductor C are correspondingly connected in U, V and W three-phase circuits of a motor circuit one by one, the motor circuit is a circuit of an alternating current motor connected with a driving device thereof,

the alternating current contactors are three-phase and are connected in U, V of the motor circuit and a W three-phase circuit in a one-to-one correspondence mode.

Further, an equipment interface is arranged at one end of the motor circuit, which is connected with the driving equipment of the alternating current motor, a circuit breaker is arranged on the motor circuit and at a position close to the equipment interface, and the installation position of the mutual inductor is between the circuit breaker and the alternating current contactor.

Further, a communication module B, a command input module and a display screen are arranged on the operation panel, the communication module B and the command input module are respectively connected with the display screen,

one end of the communication line is connected into the communication module B, and the other end of the communication line is connected into the communication module A.

Compared with the prior art, the utility model discloses there is following technical advantage: the split type motor comprehensive protection controller integrates the motor controller and the motor protector to form an element, so that complete motor control and protection functions can be realized, a user can directly purchase equipment meeting use requirements, intermediate wiring and assembling processes are omitted, and the cost can be reduced; the motor comprehensive protection controller removes connecting wires between the intelligent motor controller and the motor protector, so that the wiring of the whole control is simpler and more reliable, and the fault occurrence probability can be reduced; the motor comprehensive protection controller is designed in a split mode, so that a user can conveniently operate and use the motor comprehensive protection controller in a long distance and the motor comprehensive protection controller is far away from the noise of mechanical equipment such as a motor and the like; the panel is provided with a display screen, displays the related information of various motors and is convenient to check.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic diagram of a split motor integrated protection controller;

fig. 2 is a schematic diagram of the application principle of the split type motor comprehensive protection controller.

Wherein: 1. the system comprises a measurement controller, 2, an operation panel, 3, a communication line, 4, an alternating current motor, 5, a motor circuit, 101, a power supply interface, 102, a background remote communication interface, 103, an external interface, 104, a mutual inductor, 106, an alternating current contactor, 107, an A mutual inductor, 108, a B mutual inductor, 109, a C mutual inductor, 501, a circuit breaker, 502, an equipment interface, an A starting signal, a B stopping signal, a C automatic/manual state, a D fault state output, an E fire-fighting instruction signal, an F instruction signal and other instruction signals.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

In the description of the present invention, it should be noted that the terms "inner", "outer", "left" and "right" are used for indicating the position or positional relationship based on the positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus should not be construed as limiting the present invention.

Example (b): split type motor integrated protection controller includes: a measurement controller 1 integrating a motor controller and a motor protector, wherein the measurement controller 1 is connected with an operation panel 2 through a communication line 3.

The utility model discloses in, split type motor integrated protection controller has integrated motor controller and motor protector, becomes an element, can realize complete motor control and protect function simultaneously, and the user can directly purchase the equipment that satisfies the operation requirement, has saved middle wiring and assembling process, and has adopted split type design, and the user remote operation of being convenient for uses, keeps away from mechanical equipment's such as motor noise, obviously weakens the harmful effects of equipment noise to staff's health.

Specifically, the measurement controller 1 is provided with a power interface 101 for connecting a power supply, a background remote communication interface 102 for connecting a background and an external interface 103 for connecting external equipment,

the measurement controller 1 is internally provided with a processing module CPU, a power supply module, a communication module A, an instruction input/output module and a measurement module which are respectively connected with the processing module CPU, the power supply interface 101 is connected with the power supply module, the background remote transmission communication interface 102 is connected with the communication module A, the external interface 103 is connected with the instruction input/output module,

the measurement controller 1 is externally connected with a mutual inductor 104 and an alternating current contactor 106, the mutual inductor 104 is connected with the measurement module, the alternating current contactor 106 is connected between two driving output interfaces, and the driving output interfaces are part of the external interface 103.

Specifically, the transformer 104 includes: a mutual inductor 107, B mutual inductor 108, C mutual inductor 109, said ac contactor 106 being three-phase.

An equipment interface 502 is provided at one end of the motor circuit 5 connected to a driving equipment of the ac motor 4, a circuit breaker 501 is mounted on the motor circuit 5 at a position close to the equipment interface 502, and the mounting position of the transformer 104 is between the circuit breaker 501 and the ac contactor 106.

Specifically, the external interface 103 further includes: the system comprises a starting signal A, a stopping signal B, an automatic/manual state C, a fault state output D, a fire-fighting command signal E and other command signals F, wherein the operation ports can meet the requirements of close range or other external control operations.

Specifically, the operation panel 2 is separated from the measurement controller 1 and connected through the communication line 3, the operation panel 2 is integrated with a communication module B, an instruction input module and a display screen, an operation key is configured at the instruction input module, so that a user can conveniently set related parameter values, and the display screen can display related data and parameter information of various motors, so that the user can conveniently read and modify the motor. Data transfer accessible RS485 agreement realizes, has high anti-interference, and transmission distance is far away, characteristics such as transmission speed is fast, owing to use moreover 3 connections of communication line still make the connecting wire on the block terminal cabinet door significantly reduce, moreover communication line 3 has characteristics such as convenient connection, easily purchase, makes customer's plant use and administrative cost greatly reduced.

In application, the circuit connecting the alternating current motor 4 and the driving device thereof is U, V and W three-phase circuit, which is called as a motor circuit 5 and corresponds to the three-way device interface 502 of L1, L2 and L3. The a mutual inductor 107, the B mutual inductor 108, and the C mutual inductor 109 are connected to the U, V and W three-phase circuit of the motor circuit 5 in a one-to-one correspondence, and the three phases of the ac contactor 106 are also connected to the U, V and W three-phase circuit of the motor circuit 5 in a one-to-one correspondence. 220V alternating current power supply is connected to the power interface 101, and a user sets related parameter values in the operation panel 2. The measurement controller 1 is integrated with a current and voltage measurement circuit, and the measurement controller and the external mutual inductor 104 collect current and voltage data of the motor circuit 5 through related measurement elements on a circuit board, convert related numerical values into digital information and transmit the digital information to the processing module CPU, and the processing module CPU processes the information and then places the processed information and parameter values set by a user into an information processing model program preset in the measurement controller 1 for processing. If the working state of the alternating current motor 4 is normal, the measurement controller 1 executes various instructions of the operation panel 2 and the operation port, sends a fault instruction to the fault state output port D, and simultaneously sends the fault instruction to the operation panel 2 through the communication line 3, and a fault sound and light alarm signal is sent by an alarm lamp and a buzzer on the operation panel 2.

Because the connecting wires of the motor controller and the motor protector are removed, the wiring is simpler, more reliable, simpler and clearer, and the production and the maintenance are easy. The whole control loop elements are greatly reduced, and the control module is controlled by the integrated circuit, so that the service life of the whole distribution box is longer, the operation is stable, and the fault occurrence probability can be reduced.

The foregoing is only a preferred embodiment of the present invention and is not intended to limit the present invention in any way, and those skilled in the art may make modifications and changes to the equivalent embodiments using the teachings of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (6)

1. A split type motor comprehensive protection controller is characterized in that,

the method comprises the following steps: the measuring controller (1) integrates a motor controller and a motor protector, and the measuring controller (1) is connected with an operation panel (2) through a communication line (3).

2. The split type motor integrated protection controller according to claim 1,

the measurement controller (1) is provided with a power interface (101) connected with a power supply, a background remote transmission communication interface (102) connected with a background and an external interface (103) connected with external equipment,

the measurement controller (1) is internally provided with a processing module CPU, a power supply module, a communication module A, an instruction input/output module and a measurement module which are respectively connected with the processing module CPU, the power supply interface (101) is connected with the power supply module, the background remote transmission communication interface (102) is connected with the communication module A, the external interface (103) is connected with the instruction input/output module,

the measurement controller (1) is externally connected with a mutual inductor (104) and an alternating current contactor (106), the mutual inductor (104) is connected with the measurement module, the alternating current contactor (106) is connected between two drive output interfaces, and the drive output interfaces are part of the external interface (103).

3. The split type motor integrated protection controller according to claim 2,

the external interface (103) further comprises: start signal (a), stop signal (B), automatic/manual state (C), fault state output (D), fire command signal (E) and other command signals (F).

4. The split type motor integrated protection controller according to claim 2,

the transformer (104) comprises: an A mutual sensor (107), a B mutual sensor (108) and a C mutual sensor (109), wherein the A mutual sensor (107), the B mutual sensor (108) and the C mutual sensor (109) are connected in U, V and W three-phase circuits of a motor circuit (5) in a one-to-one correspondence manner, the motor circuit (5) is a circuit formed by connecting an alternating current motor (4) with a driving device thereof,

the alternating current contactors (106) are three-phase and are connected in U, V of the motor circuit (5) and a W three-phase circuit in a one-to-one correspondence mode.

5. The split type motor integrated protection controller according to claim 4,

an equipment interface (502) is arranged at one end of the motor circuit (5) connected with a driving device of the alternating current motor (4), a circuit breaker (501) is arranged on the motor circuit (5) and close to the equipment interface (502), and the installation position of the mutual inductor (104) is between the circuit breaker (501) and the alternating current contactor (106).

6. The split type motor integrated protection controller according to claim 1,

the operation panel (2) is provided with a communication module B, a command input module and a display screen, the communication module B and the command input module are respectively connected with the display screen,

one end of the communication line (3) is connected into the communication module B, and the other end of the communication line is connected into the communication module A.

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