CN201025700Y - Operation circuit for fan jigger electromotor - Google Patents
Operation circuit for fan jigger electromotor Download PDFInfo
- Publication number
- CN201025700Y CN201025700Y CNU2007200313872U CN200720031387U CN201025700Y CN 201025700 Y CN201025700 Y CN 201025700Y CN U2007200313872 U CNU2007200313872 U CN U2007200313872U CN 200720031387 U CN200720031387 U CN 200720031387U CN 201025700 Y CN201025700 Y CN 201025700Y
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- CN
- China
- Prior art keywords
- output
- jiggering
- frequency converter
- jigger
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a jigger motor operating circuit of the blower including a main circuit and a control circuit. The main circuit includes a low voltage circuit breaker connected with a three-phase power. The low voltage circuit breaker is connected with an inverter whose output terminal is connected with the jigger motor. The control circuit includes a fuse, a stop button, a start button, an intermediate relay, a limit switch of the jigger motor, an operating indicator light and a stopping indicator light which are connected on the output terminal of the low voltage circuit breaker. The utility model is provided with overload protection, open-phase protection, low voltage and overvoltage of the jigger motor and also with current display and voltage display. The utility model has the function of manual gear connection and automatic or manual disconnection. Therefore the utility model has the advantages of reducing manpower, convenience for operation and alignment and improving alignment efficiency.
Description
Technical field
The utility model belongs to air blast control technology field, relates to a kind of circuit, particularly a kind of air blast jiggering motor operation circuit.
Background technology
When air blast keeps in repair, must carry out centering again to air blast.At present, in the process of centering, need jiggering, and the main manpower of jiggering rotary blower main shaft is slowly played table air blast is carried out centering.Because air blast is all very big, this aligning method brings huge difficulty to the maintenance personal, not only require great effort, and centering efficient is low.
Summary of the invention
The purpose of this utility model is, a kind of air blast jiggering motor operation circuit is provided, and this circuit can make the jiggering motor turn round under very low rotating speed, replaces manpower, and jiggering is convenient to air blast operation centering is improved centering efficient.
For achieving the above object, the utility model is taked following technical solution:
A kind of air blast jiggering motor operation circuit is characterized in that this circuit comprises major loop and control loop:
Described major loop comprises a low-voltage circuit breaker that is connected with three phase mains, is connected with frequency converter on the low-voltage circuit breaker, and the output of frequency converter links to each other with the jiggering motor;
Described control loop comprises the fuse that is connected the low-voltage circuit breaker output, fuse respectively with stop button, frequency converter connects, stop button is connected with the auxiliary normal opened contact input of starting button input and auxiliary relay respectively, the starting button output, the auxiliary normal opened contact output of auxiliary relay is connected with the coil of auxiliary relay, the coil of auxiliary relay is connected with jiggering electric machine spacing switch input terminal, the output of jiggering electric machine spacing switch respectively with the run indicator output, stop the indicator light output and be connected with power ground, run indicator is connected with frequency converter respectively with the input that stops indicator light.
Air blast jiggering motor operation circuit of the present utility model has the protection of jiggering motor overload, open-phase protection, low-voltage, overvoltage etc.; Electric current demonstration, voltage demonstration etc. are arranged; Manual engagement, automatic or manual break function; Reduce manpower, be convenient to operate centering, improve centering efficient.
Description of drawings
Fig. 1 is an electrical schematic diagram of the present utility model;
Fig. 2 is an installation diagram of the present utility model; Wherein (a) is panel layout, (b) is internal layout.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Embodiment
According to technique scheme, air blast jiggering motor operation circuit of the present utility model comprises major loop, control loop and three parts of housing.
Wherein major loop is made up of low-voltage circuit breaker 2, frequency converter 3.Control loop by fuse 5, starting button 7, stop button 6, run indicator 11, stop indicator light 10, auxiliary relay 8 is formed.Housing parts is made up of casing, front panel etc.
Three phase mains 1 is connected with low-voltage circuit breaker 2, and low-voltage circuit breaker 2 is connected with frequency converter 3 inputs, frequency converter 3 outputs be connected with jiggering motor 4.
Control loop comprises the fuse 5 that is connected in low-voltage circuit breaker 2 outputs, fuse 5 respectively with stop button 6, frequency converter 3 connects, stop button 6 is connected with auxiliary relay 8 auxiliary normal opened contact inputs with starting button 7 inputs respectively, starting button 7 outputs, auxiliary relay 8 auxiliary normal opened contact outputs are connected with auxiliary relay 8 coils, auxiliary relay 8 coils are connected with jiggering electric machine spacing switch 9 inputs, the output of jiggering electric machine spacing switch 9 respectively with run indicator 10 outputs, stopping indicator light 11 outputs is connected with power supply 1, run indicator 10 inputs are connected with frequency converter, stop indicator light 11 inputs and are connected with frequency converter.
Low-voltage circuit breaker 2, auxiliary relay 8, fuse 5 are installed in the casing, start button 7, stop button 6, run indicator 10, stop indicator light 11, frequency converter 3 is installed on the front panel, and load dispatcher lock.Jiggering electric machine spacing switch 9 is installed on the turning gear.
Operation principle of the present utility model is as follows:
Power supply 1 is made of A phase, B phase, C phase, zero line N for exchanging 50HZ 380V three-phase four-wire system.Earlier manual mesh plate vehicle motor limit switch 9 makes jiggering electric machine spacing switch 9 closures.Then power supply 1 is sent into this control box, the low-voltage circuit breaker 2 back main circuit powers that close are connected, and frequency converter 3 is checked and adjusted.Main circuit power through overcurrent fuse 5, is pressed starting button 7 after connecting, auxiliary relay 8 coils are got, auxiliary relay 8 auxiliary normal opened contact adhesives, power supply is given jiggering motor 4 by low-voltage circuit breaker 2, frequency converter 3 and power cable, and jiggering motor 4 rotates.Simultaneously, frequency converter 3 output run signal are to run indicator 11, and run indicator 11 is bright.
When jiggering motor 4 runs to certain rotating speed, 9 automatic disconnections of jiggering electric machine spacing switch, or manually press stop button 6, and making auxiliary relay 8 coil losing electricities, auxiliary relay 8 auxiliary normal opened contacts disconnect.Power supply is disconnected by frequency converter 3, and jiggering motor 4 is out of service.Simultaneously, frequency converter 3 output stop signals are to stopping indicator light 12, and it is bright to stop indicator light 12.
The main effect of frequency converter 3 is exactly the frequency that changes the working power of jiggering motor 4, reaches the purpose that changes the jiggering motor speed.Therefore, change the frequency of the working power of jiggering motors 4 by frequency converter 3, jiggering motor 4 is turned round under very low rotating speed, replace manpower, jiggering is convenient to air blast operation centering is improved centering efficient.
Air blast jiggering motor operation circuit of the present utility model has functions such as the protection of jiggering motor overload, open-phase protection, low-voltage, overvoltage; Electric current demonstration, voltage demonstration etc. are arranged; Manual engagement, automatic or manual break function; Easy to use, can reduce manpower, be convenient to operate centering, improve centering efficient.
Claims (1)
1. air blast jiggering motor operation circuit is characterized in that this circuit comprises major loop and control loop:
Described major loop comprises a low-voltage circuit breaker (2) that is connected with three phase mains (1), is connected with frequency converter (3) on the low-voltage circuit breaker (2), and the output of frequency converter (3) links to each other with jiggering motor (4);
Described control loop comprises the fuse (5) that is connected low-voltage circuit breaker (2) output, fuse (5) respectively with stop button (6), frequency converter (3) connects, stop button (6) is connected with the auxiliary normal opened contact input of starting button (7) input and auxiliary relay (8) respectively, starting button (7) output, the auxiliary normal opened contact output of auxiliary relay (8) is connected with the coil of auxiliary relay (8), the coil of auxiliary relay (8) is connected with jiggering electric machine spacing switch (9) input, the output of jiggering electric machine spacing switch (9) respectively with run indicator (12) output, stop indicator light (11) output and be connected with power ground, run indicator (12) is connected with frequency converter (3) respectively with the input that stops indicator light (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200313872U CN201025700Y (en) | 2007-03-20 | 2007-03-20 | Operation circuit for fan jigger electromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200313872U CN201025700Y (en) | 2007-03-20 | 2007-03-20 | Operation circuit for fan jigger electromotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201025700Y true CN201025700Y (en) | 2008-02-20 |
Family
ID=39099556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200313872U Expired - Lifetime CN201025700Y (en) | 2007-03-20 | 2007-03-20 | Operation circuit for fan jigger electromotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201025700Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872493A (en) * | 2020-06-30 | 2021-12-31 | 宝武装备智能科技有限公司 | Portable advancing and retreating control device for boiler soot blower |
| CN113931708A (en) * | 2021-09-29 | 2022-01-14 | 华能山东石岛湾核电有限公司 | Steam turbine barring drive circuit and device |
-
2007
- 2007-03-20 CN CNU2007200313872U patent/CN201025700Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872493A (en) * | 2020-06-30 | 2021-12-31 | 宝武装备智能科技有限公司 | Portable advancing and retreating control device for boiler soot blower |
| CN113931708A (en) * | 2021-09-29 | 2022-01-14 | 华能山东石岛湾核电有限公司 | Steam turbine barring drive circuit and device |
| CN113931708B (en) * | 2021-09-29 | 2023-11-21 | 华能山东石岛湾核电有限公司 | Steam turbine jigger driving circuit and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080220 |