CN2617078Y - Two-speed motor control training device - Google Patents
Two-speed motor control training device Download PDFInfo
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- CN2617078Y CN2617078Y CN 03232833 CN03232833U CN2617078Y CN 2617078 Y CN2617078 Y CN 2617078Y CN 03232833 CN03232833 CN 03232833 CN 03232833 U CN03232833 U CN 03232833U CN 2617078 Y CN2617078 Y CN 2617078Y
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Abstract
The utility model relates to a two-speed motor control training device belonging to a teaching demonstration die, which comprises a control circuit board and a two-speed squirrel-cage induction motor M; the control circuit board is that a plurality of components, test instruments and trunking plates (2) are arranged on the wiring assembling board (1); the components and the test instruments on the wiring assembling board are arranged by the order of the wiring of the control circuit; the arranged components and test instruments comprise an automatic air switch QF, a fuse FU, a contactor KM, a thermal relay FR, a terminal plate XT, a voltage meter V, an ammeter A, a display light EL, a button switch SB; the components, test instruments, and the motor M are electrically connected with each other by two-speed motor control circuit. The utility model has the advantages of simple structure, simple and standardized arranging of the components and instruments, easy for standards teaching, assessment and operational demonstration.
Description
Technical field
The utility model belongs to the teaching mould technical field, makes the device of skill training and examination, evaluation in fact in particular for electrical towage control circuit.
Background technology
In the Electric Traction teaching of school especially technical school, relate to the teaching of double-speed motor control circuit, except allowing the student grasp theoretically the ABC of control circuit, it more is the mode of connection that will allow the student from practical operation, be familiar with the operation principle of control circuit intuitively and expertly grasp control circuit, whether in the examination of electrician specialty workman's vocational skills and identifying, it is correct also to need the control circuit that the device of a cover standard checks the examination personnel of institute to run in.Yet, in existing school instruction, be mostly that making some coarse, simple and crude control circuit trainers by teacher oneself according to the needs of teaching starts to learn for the student.These Electrical Engineering Practice trainers normally teacher are made according to own understanding and teaching needs to teaching material, and randomness is bigger, and standardization is relatively poor, do not possess versatility yet, the practical operation knowledge standard that causes the student to acquire differs, and level is uneven, being poor in basic training of grasp; Simultaneously, do not have unified and standard teaching and training device, brought certain inconvenience yet to teachers ' teaching.In addition, in existing electrician's vocational skills examination and identifying, that adopt or traditional checks the control circuit wiring correctness that is run in by the examination personnel one by one by the chief examiner teacher, still the device that does not have the cover examination check workman practical operation level that relatively standard is perfect, cause disunity, the factor and individual subjective factor of appraisal standards big easily, the accuracy and the fairness of influence examination qualification result.
Summary of the invention
The purpose of this utility model provides a kind of course of work that can demonstrate the double-speed motor control circuit intuitively of unifying standard in order to overcome above-mentioned the deficiencies in the prior art just, can also be used for the mode of connection of student's hands-on double-speed motor device control circuit and operating procedure, and can be used to examine the double-speed motor control trainer of identifying the students ' actual situation operant level.
The purpose of this utility model is achieved by the following technical solution.
This double-speed motor control trainer includes control circuit board and double speed squirrel-cage asynchronous motor M, described control circuit board is that the wiring mounting panel is provided with components and parts, test instrumentation and wire casing plate, each components and parts and test instrumentation are arranged regularly by control circuit wiring rule on the wiring mounting panel, set components and parts and test instrumentation have automatic air-break switch QF, fuse FU, contactor KM, thermal relay FR, terminal board XT, voltmeter V, ammeter A, display lamp EL, push-button switch SB, each components and parts, test instrumentation, pressing the double-speed motor control circuit between the motor M is electrically connected.
The location arrangements of each components and parts on the wiring mounting panel is divided into left and right two big zones, and left area first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 3 contactor KM
1～KM
3, the third line is arranged 2 thermal relay FR
1, FR
2, fourth line is arranged terminal board XT, is provided with the wire casing plate between the periphery of left area and the per two row components and parts, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row are vertically arranged 3 display lamp EL
1～EL
3, secondary series is vertically arranged 1 voltmeter V and two ammeter A
1, A
2, 3 push-button switch SB of horizontally set below display lamp and ammeter
1～SB
3On the wiring mounting panel, also be provided with time relay KT; The location arrangements of each components and parts on the wiring mounting panel also can be, and on the left side zone first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 4 contactor KM
1～KM
4, the third line is arranged time relay KT and 2 thermal relay FR
1, FR
2, fourth line is arranged terminal board XT, is provided with the wire casing plate between the periphery of left area and the per two row components and parts, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row are vertically arranged 3 display lamp EL
1～EL
3, secondary series is vertically arranged 1 voltmeter V and two ammeter A
1, A
2, 2 push-button switch SB of horizontally set below display lamp and ammeter
1, SB
2On contactor, also be plugged with auxiliary contact.
Double-speed motor control circuit principle is the knowledge that the electrician specialty those of ordinary skill is known altogether, also is the content that must learn in electrician's teaching materials at different levels.Components and parts that the utility model is required with the double-speed motor control circuit and test instrumentation all reasonably are provided with in order according to the wiring characteristics of its control circuit and are installed on the wiring mounting panel, and the wire casing plate has been installed on the wiring mounting panel on demand, can between each components and parts, have been carried out the soft wiring of laying easily; Set detecting instrument can detect the working condition of control circuit and the course of work of double-speed motor control device at any time.Each components and parts of the utility model being provided with on the wiring mounting panel is succinct, clear, lead connects directly perceived, visual, instrument, display lamp are arranged in order, button is convenient to operation, be convenient to control circuit is carried out accident analysis, inspection, eliminating, be applied to have certain practical value on the industrial electric control appliance.Use the utility model, the teacher demonstrates after can carefully connecting the wire, and the course of work of double-speed motor control circuit is shown intuitively, can also be done it yourself after the wiring by the student, and whether the check wiring is correct.In examination is identified, the control circuit that is run in addition by the examination personnel can be inserted the control circuit that terminal board replaces this device, the correctness of its winding displacement of energising check.
Further set forth the utility model below in conjunction with Figure of description.
Description of drawings
Fig. 1 is the manually front view of control of the utility model,
Fig. 2 is A '-A ' cutaway view of Fig. 1,
Fig. 3 is B '-B ' cutaway view of Fig. 1,
Fig. 4 is the wiring schematic diagram of terminal board when manually controlling,
Fig. 5 is the electrical schematic diagram of the manual control circuit of double-speed motor,
Fig. 6 is the utility model front view of control automatically,
Fig. 7 is C '-C ' cutaway view of Fig. 6,
Fig. 8 is D '-D ' cutaway view of Fig. 6,
Fig. 9 is the electrical schematic diagram of double-speed motor automatic control circuit.
Embodiment
As Fig. 1～shown in Figure 3, for manual control mode, be provided with on wiring mounting panel 1 each components and parts and test instrumentation are installed, the position distribution of each components and parts on wiring mounting panel 1 is divided into left and right two big zones, left area first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 3 contactor KM
1～KM
3, the third line is arranged 2 thermal relay FR
1, FR
2, fourth line is arranged terminal board XT, between the periphery of left area and the per two row components and parts wire casing plate 2 is set all, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row are vertically arranged 3 display lamp EL
1～EL
3, secondary series is vertically arranged 1 voltmeter V and 2 ammeter A
1, A
2, 3 push-button switch SB are set below display lamp and ammeter
1～SB
3Be electrically connected by Fig. 4 and Fig. 5 between each components and parts, test instrumentation and the motor M, just constituted the utility model.For automatic control mode, a contactor KM is set as Fig. 6～second row in wiring mounting panel left area shown in Figure 8 more
4, the third line is provided with a time relay KT more, and two push-button switches only are set, and each components and parts is electrically connected by Fig. 9.Three-phase fuse FU is set
1Can form protection, single-phase fuse FU to main circuit
2Control loop is protected thermal relay FR
1, FR
2Can form overload protection to motor.Power turn-on switch QF, voltmeter V, display lamp EL
1Show whether control circuit is normal.As shown in Figure 5, when manually controlling, press the button switch S B
2, KM
1Get electric closure, motor M gets the electric low-speed running (1500 rev/mins) that carries out, at this moment, and display lamp EL
2With ammeter A
1Demonstration is arranged; Press the button switch S B
1, KM
1Disconnect, motor shuts down; Press SB again
3, KM
2, KM
2Get electric closure, motor begins to run up (3000 rev/mins), at this moment, and display lamp EL
3With ammeter A
2Demonstration is arranged, press SB again
1, motor shuts down again.As shown in Figure 9, when controlling automatically, press the button switch S B
2, power-off time relay K T at first electric, simultaneously instantaneous closing contact of KT and time-delay break contact are closed immediately, KM
1The main contact closure, motor begins low-speed running, at this moment, EL
2, A
1Demonstration is arranged, adjust through the time relay, behind the running certain hour, time relay KT delayed contact disconnects, and low-speed running stops, while KT delayed contact closure, KM
2, KM
3Simultaneously electric closure, connect motor high speed winding, motor begins to run up, EL
3, A
2Demonstration is arranged, press SB
1, motor shuts down.Be simplification device, can show the operational situation of motor with the variation of display lamp, and need not insert motor.
Claims (5)
1, double-speed motor control trainer, the wiring that is used to demonstrate the course of work of double-speed motor control circuit and carry out control circuit is trained and examination, it is characterized in that, it includes control circuit board and double speed squirrel-cage asynchronous motor M, described control circuit board is that wiring mounting panel (1) is provided with components and parts, test instrumentation and wire casing plate (2), each components and parts and test instrumentation are pressed control circuit wiring rule on the wiring mounting panel regularly arranged, set components and parts and test instrumentation have automatic air-break switch QF, fuse FU, contactor KM, thermal relay FR, terminal board XT, voltmeter V, ammeter A, display lamp EL, push-button switch SB, each components and parts, test instrumentation, pressing the double-speed motor control circuit between the motor M is electrically connected.
2, double-speed motor control trainer according to claim 1 is characterized in that, the location arrangements of each components and parts on wiring mounting panel (1) is divided into left and right two big zones, and left area first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 3 contactor KM
1～KM
3, the third line is arranged 2 thermal relay FR
1, FR
2, fourth line is arranged terminal board XT, is provided with wire casing plate (2) between the periphery of left area and the per two row components and parts, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row are vertically arranged 3 display lamp EL
1～EL
3, secondary series is vertically arranged 1 voltmeter V and two ammeter A
1, A
2, 3 push-button switch SB of horizontally set below display lamp and ammeter
1～SB
3
3, double-speed motor control trainer according to claim 1 is characterized in that, also is provided with time relay KT on wiring mounting panel (1).
4, double-speed motor control trainer according to claim 1 is characterized in that the location arrangements of each components and parts on wiring mounting panel (1) also can be, and on the left side zone first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 4 contactor KM
1～KM
4, the third line is arranged time relay KT and 2 thermal relay FR
1, FR
2, fourth line is arranged terminal board XT, is provided with wire casing plate (2) between the periphery of left area and the per two row components and parts, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row are vertically arranged 3 display lamp EL
1～EL
3, secondary series is vertically arranged 1 voltmeter V and two ammeter A
1, A
2, 2 push-button switch SB of horizontally set below display lamp and ammeter
1, SB
2
5, ask 1 described double-speed motor control trainer according to right, it is characterized in that, on contactor, also be plugged with auxiliary contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232833 CN2617078Y (en) | 2003-01-11 | 2003-01-11 | Two-speed motor control training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232833 CN2617078Y (en) | 2003-01-11 | 2003-01-11 | Two-speed motor control training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2617078Y true CN2617078Y (en) | 2004-05-19 |
Family
ID=34248716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03232833 Expired - Fee Related CN2617078Y (en) | 2003-01-11 | 2003-01-11 | Two-speed motor control training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2617078Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996332A (en) * | 2014-05-27 | 2014-08-20 | 西安开元电子实业有限公司 | Electric delay control system demonstration and practical training device |
-
2003
- 2003-01-11 CN CN 03232833 patent/CN2617078Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103996332A (en) * | 2014-05-27 | 2014-08-20 | 西安开元电子实业有限公司 | Electric delay control system demonstration and practical training device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |