CN208128147U - The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor - Google Patents
The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor Download PDFInfo
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- CN208128147U CN208128147U CN201820774484.9U CN201820774484U CN208128147U CN 208128147 U CN208128147 U CN 208128147U CN 201820774484 U CN201820774484 U CN 201820774484U CN 208128147 U CN208128147 U CN 208128147U
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- control panel
- secondary circuit
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Abstract
The utility model relates to a kind of direct start and stop secondary circuit control devices of three-phase squirrel-cage induction motor, including control panel, controller and PIN ox horn plug cord, control panel is equipped with and starts and stops control button, equipment running status indicator light and device label frame, the control instruction that starts and stops of motor is transmitted to controller by control button, and indicator light shows the operating status of motor；Controller includes logical operation control unit, I/O interface unit, power supply unit and the installation of standard C45 guide rail, and controller receives control panel instruction, controls the on-off of motor major loop contactor, completes the control of motor running and stopping；It is connected between control panel and controller by PIN ox horn plug cord.The utility model realizes standardization, modularization, the generalization of the direct start-up and shut-down control secondary circuit of three-phase squirrel-cage induction motor, has the characteristics that low failure rate, easy maintenance, convenient for automation centralized control.
Description
Technical field
The utility model relates to a kind of direct start and stop secondary circuit control devices of three-phase squirrel-cage induction motor, belong to industry
Technical field of automatic control.
Background technique
Currently, both at home and abroad to the secondary control loop of small-power three-phase squirrel-cage induction motor crawl, linkage, positive and negative rotation
90% or more still uses discrete component（Signal lamp, button, intermediate relay, the time relay, auxiliary contact, fuse etc.）
Mode assembles and forms hardwire control logic relationship by BVR modeling copper wire connection, this secondary control loop not only assemble it is cumbersome,
Time-consuming, high failure rate, fault detection is cumbersome, change is troublesome and wire rod loss is big, and when to realizing centralized automatic control
Secondary circuit is increasingly complex.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of direct start and stop secondary returnings of three-phase squirrel-cage induction motor
Road control device, by current three-phase squirrel-cage induction motor crawl, the secondary control loop of linkage, nearly control, collection control and positive and negative rotation
Standardization, modularization, unitized assembling mode are changed to using discrete component assembling mode.
The utility model solve its technical problem the technical solution adopted is that：
A kind of direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor, including control panel, controller and
PIN ox horn plug cord, control panel are equipped with and start and stop control button, equipment running status indicator light and device label
The control instruction that starts and stops of motor is transmitted to controller by frame, control button, and indicator light shows the operating status of motor；
Controller includes that logical operation control unit, I/O interface unit, power supply unit and the installation of standard C45 guide rail, controller receive control
Panel instruction processed, controls the on-off of motor major loop contactor, completes the control of motor running and stopping；Control panel with
It is connected between controller by PIN ox horn plug cord.
The utility model by adopting the above technical scheme, compared with prior art, beneficial effect is：
By carrying out generalization, standardization, modularization assembling by function division to motor secondary control loop, replaces and pass
The pure manual wiring of system, complete secondary control loop assembling only can with 10 minutes, can save than common mode assembling
About 90% or more time, and failure rate is low, easy maintenance, is convenient for automation centralized control.
Further, the utility model preferred embodiment is：
Controller is equipped with nearly control sum aggregate control switching switch SA1, point control and joint control and switches switch SA2, and is furnished with centrally connected power source
Terminal block XT1, motor control terminal arrange XT2, long-distance centralized control terminal XT3, specifically：
SA1, which is closely controlled, starts and stops switch for what scene manually controlled motor on the spot；It is that PLC system is long-range that SA1, which is far controlled,
Centralized automatic control motor starts and stops switch；
Without self-insurance state when the starting operation of SA2 point control respective motor, motor is automatically stopped after unclamping start button
Operation；There is self-insurance state when the starting operation of SA2 joint control respective motor, motor continues to run after unclamping start button,
It is just out of service only to press motor after stopping button；
Power supply terminal row XT1 is connect with AC220V power supply；
Motor control terminal is arranged XT2 and is connect with contactor coil in control major loop；
Long-distance centralized control terminal XT3 is connect with what external PLC system exported without source contact.
Controller is equipped with direct current 24V, alternating current 220V and run indicator.
It is 22 signal lamp caudal peduncle structure of standard φ behind control panel, control panel is mounted on cabinet body by its caudal peduncle structure
In the aperture of φ 23 on panel and by tight nut-locking, it is equipped with PIN cattle horn socket in the caudal peduncle of control panel, is used for and control
Device connection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and embodiments.
Referring to Fig. 1, embodiment 1 is the direct start-up and shut-down control device that a kind of three-phase squirrel-cage induction motor crawl, connection connect, by
Control panel, controller are constituted, and are connected between control panel and controller by PIN ox horn plug cord.
Controller is equipped with nearly control sum aggregate control switching switch SA1, point control and joint control switching switch SA2 and is furnished with centralized control end
Son row XT3, PIN cattle horn socket X2, power supply terminal row XT1 and motor control terminal arrange XT2.
SA1 is closely controlled for switching or is far controlled, close to control the far control with starting and stopping for motor is manually controlled on the spot on site
Starting and stopping for remote centralized auto-controlled motor is realized for PLC system.
SA2 is used for switching point control or joint control, and point control does not have self-insurance when being motor start-up operation, after unclamping start button
Motor is automatically stopped operation, and joint control has self-insurance when being motor start-up operation, and motor continues to after unclamping start button
It is just out of service only to press motor after stopping button for operation.
XT1 terminal block is power supply terminal, provides AC220V power supply by it for this control device.
XT2 terminal block is Motor Control terminal, and contactor coil in major loop is controlled by it and obtains electric or power loss, from
And control starting or stoping for motor.
XT3 terminal block is long-distance centralized control terminal, controls major loop without source contact by what external PLC system exported
Middle contactor coil obtains electric or power loss, to control starting or stoping for motor.
X1, X2 are cattle horn socket/plug, and for quickly connection control panel and controller, various controls are transmitted by it
Signal processed.
Direct current 24V, alternating current 220V and run indicator, the working condition for display control are housed on controller.
The inside output of controller obtains electric or mistake without the source contact way of output using relay come control contactor coil
Electricity.
Controller uses the national standard C45 guide rail mounting means of 35mm, installs, is very convenient to.
22 signal lamp caudal peduncle structure type of standard φ, the φ 23 being installed in cabinet are used behind control panel
Aperture in and tighten locknut and be installed, have PIN cattle horn socket in caudal peduncle, for connect with controller, overhaul, it is former
Respective plug need to be only pulled up when barrier investigation, replacement panel or controller.
Control panel front upper is motoring indicator light (operation instruction stops instruction), and lower part is electronic
Machine starts and stops control button, and bottom is label disk for marking motor title.
By installing control panel, controller described in Fig. 1, and after connecting all wiring with major loop, whole system is given to supply
Upper power supply, primary circuit are three-phase AC380V power supply, and secondary circuit installation's power source is AC220V, and power supply connects on rear control panel
Stopping instruction lighting, it was demonstrated that this system power supply is normal.It is controlled and is required to switch SA1 and SA2 switch according to actual field.It presses
Passive junction closure major loop contactor KM coil after start button inside controller obtains electric, KM main contact closure three-phase electricity
Machine obtains the operation of electric motor start-up, while stopping that indicator light extinguishes on control panel and run indicator is lighted and in a dynamic fashion
Rotation；Being opened without source contact inside controller, major loop contactor KM coil losing electricity, the main touching of KM after pressing stop button
To make conjunction three-phase motor power loss motor out of service for head, at the same stopping indicator light being lighted on control panel and run indicator is lighted
Extinguish,
Referring to fig. 2, embodiment 2 is the direct start-up and shut-down control that a kind of three-phase squirrel-cage induction motor positive and negative rotation crawl, connection connect
Device, control principle and operating method are same as Example 1, and installation method is identical as Fig. 1.
The above is only the preferred feasible embodiment of the utility model, not thereby limits to the power of the utility model
Sharp range, it is all with the variation of equivalent structure made by the utility model specification and accompanying drawing content, it is both contained in the utility model
Interest field within.
Claims (4)
1. a kind of direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor, including control panel, controller and PIN
Ox horn plug cord, it is characterised in that：
Control panel is equipped with and starts and stops control button, equipment running status indicator light and device label frame, control button
The control instruction that starts and stops of motor is transmitted to controller, indicator light shows the operating status of motor；
Controller includes that logical operation control unit, I/O interface unit, power supply unit and the installation of standard C45 guide rail, controller connect
Control panel instruction is received, the on-off of motor major loop contactor is controlled, completes the control of motor running and stopping；
It is connected between control panel and controller by PIN ox horn plug cord.
2. the direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor according to claim 1, feature exist
In：Controller is equipped with nearly control sum aggregate control switching switch SA1, point control and joint control and switches switch SA2, and is furnished with centrally connected power source terminal block
XT1, motor control terminal arrange XT2, long-distance centralized control terminal XT3, specifically：
SA1, which is closely controlled, starts and stops switch for what scene manually controlled motor on the spot；SA1 is far controlled as PLC system remote centralized
Auto-controlled motor starts and stops switch；
Without self-insurance state when the starting operation of SA2 point control respective motor, motor is automatically stopped operation after unclamping start button；
There is self-insurance state when the starting operation of SA2 joint control respective motor, motor continues to run after unclamping start button, only presses
Under to stop motor after button just out of service；
Power supply terminal row XT1 is connect with AC220V power supply；
Motor control terminal is arranged XT2 and is connect with contactor coil in control major loop；
Long-distance centralized control terminal XT3 is connect with what external PLC system exported without source contact.
3. the direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor according to claim 1, feature exist
In：Controller is equipped with direct current 24V, alternating current 220V and run indicator.
4. the direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor according to claim 1, feature exist
In：It is 22 signal lamp caudal peduncle structure of standard φ behind control panel, control panel is mounted on cabinet by its caudal peduncle structure
On φ 23 aperture in and by tight nut-locking, PIN cattle horn socket is equipped in the caudal peduncle of control panel, is used for and controller connects
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774484.9U CN208128147U (en) | 2018-05-23 | 2018-05-23 | The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774484.9U CN208128147U (en) | 2018-05-23 | 2018-05-23 | The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128147U true CN208128147U (en) | 2018-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820774484.9U Expired - Fee Related CN208128147U (en) | 2018-05-23 | 2018-05-23 | The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208128147U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494290A (en) * | 2018-05-23 | 2018-09-04 | 开滦（集团）有限责任公司电信分公司 | The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor |
-
2018
- 2018-05-23 CN CN201820774484.9U patent/CN208128147U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494290A (en) * | 2018-05-23 | 2018-09-04 | 开滦（集团）有限责任公司电信分公司 | The direct start and stop secondary circuit control device of three-phase squirrel-cage induction motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20210523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |