CN104501612B - Circuit for controlling motor - Google Patents
Circuit for controlling motor Download PDFInfo
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- CN104501612B CN104501612B CN201410764801.5A CN201410764801A CN104501612B CN 104501612 B CN104501612 B CN 104501612B CN 201410764801 A CN201410764801 A CN 201410764801A CN 104501612 B CN104501612 B CN 104501612B
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- switch
- power supply
- thermorelay
- control
- circuit
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Abstract
Disclosure circuit for controlling motor, including: select switch to be configured to be connected to the positive pole of power supply, be used for switching Non-follow control or automatically controlling；One end of catalyst is connected to selection switch, and catalyst passes through to obtain the Guan Bi of electric control contactless contactor, by opening that dead electricity control contactor switchs；One end of thermorelay is connected to catalyst, the other end is connected to the negative pole of power supply by motor, the temperature of thermorelay exceedes preset value, thermorelay disconnects and controls opening of thermorelay switch, the temperature of thermorelay is less than or equal to preset value, the Guan Bi of thermorelay Guan Bi and control thermorelay switch；One end of display lamp is connected between catalyst and thermorelay by contactless contactor, and the other end is connected to the negative pole of power supply.The fabrication and installation of this circuit for controlling motor are simple, easy to operate, safety so that the work efficiency of motor is higher.
Description
Technical field
The present invention relates to control circuit field, in particular it relates to a kind of circuit for controlling motor.
Background technology
Pelletizing electric precipitation is to produce one of process matched therewith equipment, the performance of electric cleaner is by the impact of the series of factors of drying grate drying and preheating section flue gas, and especially rheumatism, wind speed, flue-gas temperature, flue dust change and influence degree factor such as dust content, fume high-temperature, anode and cathode deformation etc. than resistance, electric field mechanical strength.The pelletizing production technique flue-gas temperature that breaks down ramps, and deforms up to 300 DEG C of electric precipitation electric field anode and cathode.First and second voltage declines, and electric current raises electric field cannot normal operation.The properly functioning exhaust gas dust discharge beyond standards that causes of electric precipitation anode and cathode vibrated system, serious environment pollution, the welding air quality harm mankind.
So design a kind of control circuit for controlling electric cleaner electric motor starting and become a kind of problem needing solution badly.
Summary of the invention
It is an object of the invention to overcome the unstable properties of electric cleaner in prior art; usually can because of the too high problem causing job insecurity of temperature; a kind of circuit for controlling motor is provided; the fabrication and installation of this circuit for controlling motor are simple; easy to operate, safety; the work efficiency making motor is higher, can be effectively improved electric precipitation dust-collecting efficiency.
To achieve these goals, the invention provides a kind of circuit for controlling motor, this circuit includes: selecting switch, described selection switch is configured to be connected to the positive pole of described power supply, is used for switching Non-follow control or automatically controlling；Catalyst, one end of described catalyst is connected to and described selects switch, and described catalyst passes through to obtain the Guan Bi of electric control contactless contactor, controls opening of described contactless contactor by dead electricity；Thermorelay, one end of described thermorelay is connected to described catalyst, the other end is connected to the negative pole of described power supply by described motor, the temperature of described thermorelay exceedes preset value, described thermorelay disconnects and controls opening of thermorelay switch, the temperature of described thermorelay is less than or equal to described preset value, and described thermorelay closes and controls the Guan Bi of described thermorelay switch；Display lamp, one end of described display lamp is connected between described catalyst and described thermorelay by described contactless contactor, and the other end is connected to the negative pole of described power supply；Auxiliary reclay, one end of described auxiliary reclay connects the positive pole of described power supply, the other end is connected to the negative pole of described power supply by described thermorelay switch, described auxiliary reclay pass through electric control auxiliary reclay switch Guan Bi, described auxiliary reclay by dead electricity control auxiliary reclay switch open；Alarm lamp, one end of described alarm lamp connects the positive pole with described power supply, and the other end is connected to the negative pole of described power supply by described auxiliary reclay switch.
Preferably, described power supply is three-phase alternating-current supply.
Preferably, the described positive pole selecting switch to be connected to described power supply by fuse.
Preferably, this circuit also includes: temperature controller and temp control switch, the two ends of described temperature controller are connected to the positive pole of described power supply and the negative pole of described power supply, described temperature controller output high level controls opening of described temp control switch, and described temperature controller output low level controls the Guan Bi of described temp control switch.
Preferably, this circuit also includes: Non-follow control relay, and one end of described Non-follow control relay is connected to the positive pole of described power supply, and the other end is connected to the negative pole of described power supply by temp control switch.
Preferably, this circuit also includes: hand switch and operation dish, one end of described hand switch is operated by dish and is connected to the positive pole of described power supply, the other end is connected to the described Non-follow control end selecting switch, described Non-follow control relay pass through hand switch described in electric control is opened, control described hand switch Guan Bi by dead electricity.
Preferably, this circuit also includes: temperature control alarming relay and temperature control alarming relay switch, one end of described temperature control alarming relay is connected to the positive pole of described power supply, the other end is connected to the negative pole of described power supply by described temp control switch, described temperature control alarming relay obtains temperature control alarming relay switch described in electric control and opens, and described temperature control alarming relay electric-loss controls described temperature control alarming relay switch Guan Bi.
By above-mentioned embodiment, it is arranged on electric precipitation gas approach pipeline up sampling with a kind of simple and practical control device, signal is transported to switch board execution system and completes operation sequence, it installs simple, easy to operate, safe feature, control electric precipitation discharge beyond standards concentration can be effectively improved, alleviate environmental pollution.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below.In the accompanying drawings:
Fig. 1 is the circuit structure diagram of the detailed description of the invention of a kind of circuit for controlling motor that the present invention is described.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
The present invention provides a kind of circuit for controlling motor, and this circuit includes: selecting switch, described selection switch is configured to be connected to the positive pole of described power supply, is used for switching Non-follow control or automatically controlling；Catalyst, one end of described catalyst is connected to and described selects switch, and described catalyst passes through to obtain the Guan Bi of electric control contactless contactor, controls opening of described contactless contactor by dead electricity；Thermorelay, one end of described thermorelay is connected to described catalyst, the other end is connected to the negative pole of described power supply by described motor, the temperature of described thermorelay exceedes preset value, described thermorelay disconnects and controls opening of thermorelay switch, the temperature of described thermorelay is less than or equal to described preset value, and described thermorelay closes and controls the Guan Bi of described thermorelay switch；Display lamp, one end of described display lamp is connected between described catalyst and described thermorelay by described contactless contactor, and the other end is connected to the negative pole of described power supply；Auxiliary reclay, one end of described auxiliary reclay connects the positive pole of described power supply, the other end is connected to the negative pole of described power supply by described thermorelay switch, described auxiliary reclay pass through electric control auxiliary reclay switch Guan Bi, described auxiliary reclay by dead electricity control auxiliary reclay switch open；Alarm lamp, one end of described alarm lamp connects the positive pole with described power supply, and the other end is connected to the negative pole of described power supply by described auxiliary reclay switch.
By above-mentioned embodiment, the present invention design have manual control system can unit execute-in-place and automatic control system operation electric precipitation input gas temperature output signal to thermorelay, each electric field discontinuous flue-gas temperature continue rising up to reach the standard grade value time, thermorelay disconnects, and control display lamp go out, electric motor of shaker quits work, flue-gas temperature lower than roll off the production line setting value time, thermorelay is opened, and electric motor of shaker is started working.Below in conjunction with accompanying drawing 1, the present invention being further detailed, in the present invention, temperature is too high, stops the work of described motor.
In one embodiment of the invention, described power supply is three-phase alternating-current supply, and three-phase alternating-current supply can drive the rotation of three motors, such design, it is possible to accelerate the discharge of dust.
In this kind of embodiment; the described positive pole selecting switch to be connected to described power supply by fuse; fuse is a kind of to be connected on circuit in order to protect the disposable elements of circuit; when circuit powers on and flows through big; metal wire therein or sheet is made to produce high temperature and fuse; cause opening a way and interruptive current, to protect a circuit from coming to harm.Need the electric fuse manually more renewed so that circuit resumes operation after old blown fuse.
In this kind of embodiment, this circuit can also include: temperature controller and temp control switch, the two ends of described temperature controller are connected to the positive pole of described power supply and the negative pole of described power supply, described temperature controller output high level controls opening of described temp control switch, described temperature controller output low level controls the Guan Bi of described temp control switch, wherein, temperature controller gathers the temperature signal of gas outlet.
In this kind of embodiment, this circuit also includes: Non-follow control relay, and one end of described Non-follow control relay is connected to the positive pole of described power supply, and the other end is connected to the negative pole of described power supply by temp control switch.
In this kind of embodiment, this circuit also includes: hand switch and operation dish, one end of described hand switch is operated by dish and is connected to the positive pole of described power supply, the other end is connected to the described Non-follow control end selecting switch, described Non-follow control relay pass through hand switch described in electric control is opened, control described hand switch Guan Bi by dead electricity.
In this kind of embodiment, this circuit also includes: temperature control alarming relay and temperature control alarming relay switch, one end of described temperature control alarming relay is connected to the positive pole of described power supply, the other end is connected to the negative pole of described power supply by described temp control switch, described temperature control alarming relay obtains temperature control alarming relay switch described in electric control and opens, and described temperature control alarming relay electric-loss controls described temperature control alarming relay switch Guan Bi.
In the circuit for controlling motor of the present invention, its working method:
Major loop by roasting disconnected device (XFU), ac contactor mouth (XKM), thermorelay (XRF), temperature controller (WSSX), auxiliary reclay (XKA) are constituted,
Control in loop, switch is selected (to include xsw1, xsw2, xsw3, xsw4, xsw5, xsw6) by machine, select " on the spot " that rapping machine can be directly initiated and select " concentration " to be controlled by switch board, select switch xsw on switch board, selecting " manually " can directly initiate the duty of electric motor of shaker, relay indicating light is bright, as electric motor of shaker transship, the fault such as phase shortage, thermorelay XRF action, auxiliary reclay " XKA " works, and output signal alarm display lamp is bright, and electric motor of shaker quits work.
When selecting switch XSW to select " automatically ", continue rapping by the cycle.But input gas temperature is higher than setting value, temperature controller provides instruction electric precipitation input gas temperature and outputs signal to temperature controller and PLC and perform instruction electric motor of shaker and start, according to setting working procedure, " XKA-1 " relay work between each electric field, provide flue-gas temperature to reach the standard grade alarm signal, flue-gas temperature continue rising up to reach the standard grade value time, " XKA-2 " auxiliary reclay work disconnect control electric motor of shaker secondary circuit relay indicating light electric motor of shaker quit work.Flue-gas temperature is lower than the setting value that rolls off the production line, and auxiliary reclay " XKA-1 " " XKA-2 " quits work.The normally closed pass of " XKA-2 " auxiliary reclay, Guan Bi XKM A.C. contactor are started working.
The present invention be have employed a kind of simple and practical electric precipitation fume high-temperature exceed standard dust emission control device, there are fabrication and installation simple, easy to operate, safety, electric precipitation dust-collecting efficiency can be effectively improved, reducing discharge, dust is dense crosses, improve fume emission quality, reduce environmental pollution, alleviate the labor intensity of worker.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. a circuit for controlling motor, it is characterised in that this circuit includes: selecting switch, described selection switch is configured to be connected to the positive pole of power supply, is used for switching Non-follow control or automatically controlling；
Catalyst, one end of described catalyst is connected to and described selects switch, and described catalyst passes through to obtain the Guan Bi of electric control contactless contactor, controls opening of described contactless contactor by dead electricity；
Thermorelay, one end of described thermorelay is connected to described catalyst, the other end is connected to the negative pole of described power supply by described motor, the temperature of described thermorelay exceedes preset value, described thermorelay disconnects and controls opening of thermorelay switch, the temperature of described thermorelay is less than or equal to described preset value, and described thermorelay closes and controls the Guan Bi of described thermorelay switch；
Display lamp, one end of described display lamp is connected between described catalyst and described thermorelay by described contactless contactor, and the other end is connected to the negative pole of described power supply；
Auxiliary reclay, one end of described auxiliary reclay connects the positive pole of described power supply, the other end is connected to the negative pole of described power supply by described thermorelay switch, described auxiliary reclay pass through electric control auxiliary reclay switch Guan Bi, described auxiliary reclay by dead electricity control auxiliary reclay switch open；
Alarm lamp, one end of described alarm lamp connects the positive pole with described power supply, and the other end is connected to the negative pole of described power supply by described auxiliary reclay switch.
2. circuit for controlling motor according to claim 1, it is characterised in that described power supply is three-phase alternating-current supply.
3. circuit for controlling motor according to claim 1, it is characterised in that described selection switch is connected to the positive pole of described power supply by fuse.
4. circuit for controlling motor according to claim 1, it is characterized in that, this circuit also includes: temperature controller and temp control switch, the two ends of described temperature controller are connected to the positive pole of described power supply and the negative pole of described power supply, described temperature controller output high level controls opening of described temp control switch, and described temperature controller output low level controls the Guan Bi of described temp control switch.
5. circuit for controlling motor according to claim 4, it is characterized in that, this circuit also includes: Non-follow control relay, and one end of described Non-follow control relay is connected to the positive pole of described power supply, and the other end is connected to the negative pole of described power supply by temp control switch.
6. circuit for controlling motor according to claim 5, it is characterized in that, this circuit also includes: hand switch and operation dish, one end of described hand switch is operated by dish and is connected to the positive pole of described power supply, the other end is connected to the described Non-follow control end selecting switch, described Non-follow control relay pass through hand switch described in electric control is opened, control described hand switch Guan Bi by dead electricity.
7. circuit for controlling motor according to claim 4, it is characterized in that, this circuit also includes: temperature control alarming relay and temperature control alarming relay switch, one end of described temperature control alarming relay is connected to the positive pole of described power supply, the other end is connected to the negative pole of described power supply by described temp control switch, described temperature control alarming relay obtains temperature control alarming relay switch described in electric control and opens, and described temperature control alarming relay electric-loss controls described temperature control alarming relay switch Guan Bi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764801.5A CN104501612B (en) | 2014-12-11 | 2014-12-11 | Circuit for controlling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764801.5A CN104501612B (en) | 2014-12-11 | 2014-12-11 | Circuit for controlling motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104501612A CN104501612A (en) | 2015-04-08 |
| CN104501612B true CN104501612B (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410764801.5A Expired - Fee Related CN104501612B (en) | 2014-12-11 | 2014-12-11 | Circuit for controlling motor |
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| CN (1) | CN104501612B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB747553A (en) * | 1952-11-01 | 1956-04-11 | J And G Meakin Ltd | Improvements in and relating to temperature control systems for continuous kilns |
| FR2192720A5 (en) * | 1972-07-11 | 1974-02-08 | Est Aciers Fins | |
| CN1193134A (en) * | 1997-06-23 | 1998-09-16 | 青岛千川木业设备有限公司 | Programmable automatic control system for wide-band sander |
| CN201708762U (en) * | 2010-06-25 | 2011-01-12 | 江苏国力锻压机床有限公司 | Double-voltage control circuit |
| CN103166186A (en) * | 2011-12-08 | 2013-06-19 | 天津天铁冶金集团有限公司 | Electromotor operation phase-deficient protection circuit |
| CN202872700U (en) * | 2012-08-29 | 2013-04-10 | 中国一冶集团有限公司 | Motor control circuit having insulation automatic maintenance and drying function |
| CN204404824U (en) * | 2014-12-11 | 2015-06-17 | 芜湖新兴铸管有限责任公司 | Circuit for controlling motor |
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2014
- 2014-12-11 CN CN201410764801.5A patent/CN104501612B/en not_active Expired - Fee Related
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| CN104501612A (en) | 2015-04-08 |
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Granted publication date: 20160713 Termination date: 20161211 |