CN2620897Y - One-way running capacity brake training device - Google Patents
One-way running capacity brake training device Download PDFInfo
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- CN2620897Y CN2620897Y CN 03232817 CN03232817U CN2620897Y CN 2620897 Y CN2620897 Y CN 2620897Y CN 03232817 CN03232817 CN 03232817 CN 03232817 U CN03232817 U CN 03232817U CN 2620897 Y CN2620897 Y CN 2620897Y
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- control circuit
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Abstract
The utility model relates to a unidirectional operating capacity braking training device, belonging to a teaching demonstration mould, which includes a control circuit board and an electrical motor M. The control circuit board is composed of a wiring connection mounting boards (1) arranged with components, testing meters, and a trunking board (2). All the components and the testing meters are regularly arranged on the wiring connection mounting board according to the wiring connection regulations of the control circuit. All the components and the testing meters are arranged with an automatic air switch QF, fuses FU, contactors KM, a time relay KT, a thermorelay FR, a capacitor RC, a connection terminal board XT, a voltmeter V, a current meter A, indicator lights EL, and push-button switches SB. All the components, the testing meters and the electrical motor M are electrically connected according to the unidirectional operating capacity braking control circuit. All the components, the testing meters and the indicator lights of the utility model are simple, clear, and standard in arrangement. The connections of the leads are intuitive, and convenient for standard, intuitive teaching and demo operation.
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 electrical teaching of school especially skilled workers school, relate to the teaching of unidirectional operation electric capacity braking operation circuit, except allowing the student grasp theoretically the ABC of operation circuit, it more is the mode of connection that will allow the student from practical operation, be familiar with the principle of work of operation circuit intuitively and expertly grasp operation circuit, whether in the examination of electrician specialty workman's vocational skills and identifying, it is correct also to need the operation 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 operation 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 operation 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 unidirectional operation electric capacity braking operation circuit intuitively of unifying standard just in order to overcome above-mentioned the deficiencies in the prior art, can also be used for the student start the mode of connection of skilled operation circuit and operation steps, and can be used to examine the unidirectional operation electric capacity braking Control Training device of identifying student's practical operation level.
The purpose of this utility model is achieved by the following technical solution.
This unidirectional operation electric capacity braking Control Training device includes control circuit board and motor, described control circuit board is on the wiring installing plate components and parts to be installed, test instrumentation and wire casing plate, each components and parts and test instrumentation are arranged regularly by operation circuit wiring rule on the wiring installing plate, set components and parts and test instrumentation have automatic air-break switch QF, fuse FU, contactor KM, time relay KT, electrothermal relay FR, capacitor RC, terminal board XT, voltage table V, reometer A, display lamp EL, pushbutton switch SB, each components and parts, be electrically connected by unidirectional operation electric capacity braking operation circuit between test instrumentation and the motor.
The position distribution of each components and parts on the wiring installing plate 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 2 contactor KM
1, KM
2With 1 time relay KT, the third line is arranged 1 electrothermal relay FR and 1 capacitor group RC, 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 is arranged voltage table V and reometer A, and second row is arranged 3 display lamp EL
1～EL
3, the third line is provided with 2 pushbutton switch SB
1, SB
2On contactor, also be plugged with auxiliary contact.
Unidirectional operation electric capacity braking operation 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 unidirectional operation electric capacity braking operation circuit and test instrumentation all reasonably are provided with in order according to the wiring characteristics of its operation circuit and are installed on the wiring installing plate, and the wire casing plate has been installed on the wiring installing plate on demand, can between each components and parts, have been carried out the soft wiring of laying easily; Set measuring instrument can detect the working condition of operation circuit and the course of work of unidirectional operation electric capacity brake control at any time.Each components and parts of the utility model are provided with succinct, clear on the wiring installing plate, instrument, display lamp are arranged in order, button is convenient to operation, is convenient to operation circuit is carried out fault analysis, inspection, eliminating, is applied to have certain practical value on the industrial electric opertaing device.Use the utility model, the teacher demonstrates after can carefully connecting the wire, and the principle of work and the process of unidirectional operation electric capacity brake control shown intuitively, and after can also being done it yourself wiring is installed by the student, whether the check wiring be correct.In examination is identified, the operation circuit that is run in addition by the examination personnel can be inserted the operation 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 a front view of the present utility model,
Fig. 2 is A '-A ' cut-open view of Fig. 1,
Fig. 3 is B '-B ' cut-open view of Fig. 1,
Fig. 4 is the wiring schematic diagram of terminal board,
Fig. 5 is the electrical schematic diagram of unidirectional operation electric capacity brake control.
Embodiment
As Fig. 1～shown in Figure 3, on wiring installing plate 1, be provided with each components and parts and test instrumentation are installed, the position distribution of each components and parts on wiring installing plate 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 2 contactor KM
1, KM
2With time relay KT, the third line is arranged electrothermal relay FR and capacitor RC, and 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 is arranged voltage table V and reometer A, and second row is arranged 3 display lamp EL
1～EL
3, the third line is provided with 2 pushbutton switch SB
1, SB
2The auxiliary contact of also can on contactor, pegging graft.Be electrically connected by Fig. 4 and Fig. 5 between each components and parts and the test instrumentation, just constituted the utility model.Three-phase fuse FU is set
1Can form protection, two-phase fuse FU to main circuit
2Control loop is protected, and electrothermal relay FR can form overload protection to motor.Power turn-on switch QF, voltage table V, reometer A, display lamp EL
1Show whether main line is normal.During the starter motor running, press the button switch S B
1, KM
1The self-locking of self-locking contact closure, the main contact closure, motor M starts running, simultaneously, KM
1Chain contact disjunction to KM
2Interlocking, KM
1The auxiliary contact closure, time relay KT then electric closure, be KM
2Get electric preparing; When adopting the electric capacity braking to make the motor stall, press the button switch S B
2, KM
1Self-locking is removed in the disjunction of self-locking contact, and the main contact dead electricity disconnects, the coasting of motor M dead electricity, simultaneously, KM
1Chain contact closure, KM
2Must be electric, make KM
2Chain contact disjunction is to KM
1Interlocking, and KM
2The main contact closure, motor M inserts three phase capacitance and brakes to stall.KM
2Often open the auxiliary contact disjunction, make the disjunction of KT dead electricity, KM
2It is closed that locking contact recovers, KM
2The main contact disjunction, three phase capacitance is cut.Display lamp EL
2Be operation indication, EL
3Be the indication of stopping, the utility model can show the course of work of unidirectional operation electric capacity brake control intuitively.Be simplification device, can show the operational situation of motor, can not insert motor with the variation of display lamp.
Claims (3)
1, unidirectional operation electric capacity braking trainer, the wiring that is used to demonstrate the course of work of unidirectional operation electric capacity braking operation circuit and carry out unidirectional operation electric capacity braking operation circuit is trained and examination, it is characterized in that, it includes control circuit board and motor M, described control circuit board is on wiring installing plate (1) components and parts to be installed, test instrumentation and wire casing plate (2), each components and parts and test instrumentation are arranged regularly by operation circuit wiring rule on the wiring installing plate, set components and parts and test instrumentation have automatic air-break switch QF, fuse FU, contactor KM, time relay KT, electrothermal relay FR, capacitor RC, terminal board XT, voltage table V, reometer A, display lamp EL, pushbutton switch SB, each components and parts, be electrically connected by unidirectional operation electric capacity braking operation circuit between test instrumentation and the motor.
2, trainer according to claim 1 is characterized in that, the position distribution of each components and parts on wiring installing plate (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 2 contactor KM
1, KM
2With 1 time relay KT, the third line is arranged 1 electrothermal relay FR and 1 capacitor group RC, 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 is arranged voltage table V and reometer A, and second row is arranged 3 display lamp EL
1～EL
3, the third line is provided with 2 pushbutton switch SB
1, SB
2
3, trainer according to claim 1 is characterized in that, also is plugged with auxiliary contact on contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232817 CN2620897Y (en) | 2003-01-11 | 2003-01-11 | One-way running capacity brake training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232817 CN2620897Y (en) | 2003-01-11 | 2003-01-11 | One-way running capacity brake training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2620897Y true CN2620897Y (en) | 2004-06-16 |
Family
ID=34248701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03232817 Expired - Fee Related CN2620897Y (en) | 2003-01-11 | 2003-01-11 | One-way running capacity brake training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2620897Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026790A (en) * | 2016-06-30 | 2016-10-12 | 冼毅 | Capacitor-braking control line |
-
2003
- 2003-01-11 CN CN 03232817 patent/CN2620897Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026790A (en) * | 2016-06-30 | 2016-10-12 | 冼毅 | Capacitor-braking control line |
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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 |