CN214897191U - Direct-current speed regulation control system for practical training teaching - Google Patents
Direct-current speed regulation control system for practical training teaching Download PDFInfo
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- CN214897191U CN214897191U CN202120399804.9U CN202120399804U CN214897191U CN 214897191 U CN214897191 U CN 214897191U CN 202120399804 U CN202120399804 U CN 202120399804U CN 214897191 U CN214897191 U CN 214897191U
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- control system
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- 238000010248 power generation Methods 0.000 claims 1
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- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
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- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to a direct current speed governing control system for real teaching of instructing. The utility model discloses an including direct current speed governing control circuit, the operation mesa, the voltmeter, the ampere meter, the tachometer and the three phase current module of being connected with direct current speed governing control circuit electricity, give current potential circuit module, speed regulation circuit module, current regulation circuit module, the trigger circuit module, the rectifier circuit module, the motor, tachogenerator and three phase current module all set up on the operation mesa, ampere meter and voltmeter all are connected with rectifier circuit module electricity, the tachometer is connected with the tachogenerator electricity. Compared with the prior art, the utility model discloses a set up voltmeter and ampere meter at the operation mesa, the voltage value and the current value of convenient to use person measurement and show rectifier circuit module, simultaneously the utility model discloses a set up the tachometer at the operation mesa, the revolution that convenient to use person measured and showed the generator has improved the efficiency of real teaching of instructing.
Description
Technical Field
The utility model belongs to the technical field of electrician's real teaching device of instructing, especially, relate to a direct current speed governing control system for instructing teaching in real standard.
Background
The electronic and electrical profession is a discipline for cultivating a composite technical talent which has basic knowledge of electronic technology and electrical engineering and can be engaged in the maintenance, manufacture and application of various electronic devices, power production, electrical manufacture and maintenance.
The direct current speed regulation control system is a professional course which is required to be mastered in training teaching materials for maintaining electrician (high-level) (published by China labor social Security publisher). The existing direct current speed regulation control system has a single function of the practical training teaching device, and parameters in a voltmeter, an ammeter and a tachometer detection system outside the practical training teaching device still need to be additionally used, so that the practical training teaching device is not beneficial to operation and teaching.
Therefore, a direct current speed regulation control system for practical teaching is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects of the prior art, the direct current speed regulation control system for practical training teaching is provided, so that the problem of single function of the practical training teaching device of the conventional direct current speed regulation control system is solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the direct current speed regulation control system for practical training teaching comprises a direct current speed regulation control circuit, wherein the direct current speed regulation control circuit comprises a given potential circuit module, a speed regulation circuit module, a current regulation circuit module, a trigger circuit module, a rectifier circuit module, a motor and a tachogenerator, the given potential circuit module is respectively electrically connected with the tachogenerator and the speed regulation circuit module, the speed regulation circuit module is electrically connected with the current regulation circuit module, the current regulation circuit module is electrically connected with the trigger circuit module, the trigger circuit module is electrically connected with the rectifier circuit module, the rectifier circuit module is electrically connected with the motor, the motor is electrically connected with the tachogenerator, the direct current speed regulation control system also comprises an operation table top, a voltmeter, an ammeter, a tachometer and a three-phase power supply module which is electrically connected with the direct current speed regulation control circuit, the given potential circuit module, the speed regulating circuit module, the current regulating circuit module, the trigger circuit module, the rectifying circuit module, the motor, the tachometer and the three-phase power supply module are all arranged on the operating table board, the ammeter and the voltmeter are all electrically connected with the rectifying circuit module, and the tachometer is electrically connected with the tachometer.
As a preferred scheme for instruct DC speed governing control system of real teaching, DC speed governing control circuit still include with give the current potential circuit module and the rotational speed feedback circuit module that speed regulation circuit module electricity is connected.
As a preferred scheme for instruct DC speed governing control system of teaching in real, DC speed governing control circuit still include with speed regulation circuit module and the electric current amplifier circuit module that the electric current regulation circuit module electricity is connected.
As a preferred scheme for instruct DC speed governing control system of teaching in real, DC speed governing control circuit still include with speed regulation circuit module and the overcurrent protection circuit module that current regulation circuit module electricity is connected, overcurrent protection circuit module still with current amplification circuit module electricity is connected.
As a preferred scheme for instruct DC speed control system of real teaching, three-phase power module includes three-phase synchronous power module and three-phase isolation transformer power module. Through the arrangement, the application range of the power supply is expanded.
As a preferred scheme of a direct current speed governing control system for real teaching, still include with the electricity generation lamp that the tachogenerator electricity is connected, when the tachogenerator function, the electricity generation lamp lights. Through the arrangement, whether the tachogenerator operates or not is convenient to observe.
As a preferred scheme for instruct DC speed governing control system of teaching in real, the trigger circuit module is three-phase thyristor trigger circuit.
As a preferred scheme for instruct DC speed governing control system of teaching in real time, the rectifier circuit module is three-phase thyristor full-control bridge rectifier circuit.
As a preferred scheme of a direct current speed governing control system for real teaching, the length of operation mesa is 400 ~ 450mm, the width of operation mesa is 340mm ~ 380 mm. The length and width are selected as appropriate according to the actual situation.
As a preferred scheme of a direct current speed governing control system for real teaching, the length of operation mesa is 430mm, the width of operation mesa is 360 mm. The length and width are selected as appropriate according to the actual situation.
The utility model discloses following beneficial effect has at least:
1) the utility model discloses through setting up each circuit module in the direct current speed governing control system respectively at the operation mesa, make the student know the component structure of direct current speed governing control system more directly perceivedly, improved the efficiency of real standard teaching;
2) the utility model discloses a set up voltmeter and ampere meter at the operation mesa, convenient to use person measures and demonstrates the voltage value and the current value of rectifier circuit module, simultaneously the utility model discloses a set up the tachometer at the operation mesa, convenient to use person measures and demonstrates the revolution of generator, has improved the efficiency of real teaching of instructing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic block diagram of the present invention.
Fig. 3 is a schematic circuit diagram of the dc speed control system of the present invention.
In the figure:
1-operating a table top; 2-a given potential circuit module; 3-a speed regulation circuit module; 4-a current regulation circuit module; 5-a trigger circuit module; 6-a rectifier circuit module; 7-a rotation speed feedback circuit module; 8-a current amplification circuit module; 9-an overcurrent protection circuit module; 10-a three-phase power module; 11-a voltmeter; 12-an ammeter; 13-tachometer.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention and its advantageous effects will be described in further detail below with reference to the accompanying drawings of the detailed description and the specification, but the present invention is not limited thereto.
As shown in fig. 1 to 3, a dc speed-adjusting control system for practical training teaching includes a dc speed-adjusting control circuit, the dc speed-adjusting control circuit includes a given potential circuit module 2, a speed-adjusting circuit module 3, a current-adjusting circuit module 4, a trigger circuit module 5, a rectifier circuit module 6, a motor M and a tachogenerator G, the given potential circuit module 2 is electrically connected to the tachogenerator G and the speed-adjusting circuit module 3, the speed-adjusting circuit module 3 is electrically connected to the current-adjusting circuit module 4, the current-adjusting circuit module 4 is electrically connected to the trigger circuit module 5, the trigger circuit module 5 is electrically connected to the rectifier circuit module 6, the rectifier circuit module 6 is electrically connected to the motor M, the motor M is electrically connected to the tachogenerator G, the dc speed-adjusting control system further includes an operation table 1, a voltmeter 11, an ammeter 12, a current meter 12, The electric energy meter comprises a revolution meter 13 and a three-phase power supply module 10 electrically connected with a direct current speed regulation control circuit, a given potential circuit module 2, a speed regulation circuit module 3, a current regulation circuit module 4, a trigger circuit module 5, a rectification circuit module 6, a motor M, a tachogenerator G and the three-phase power supply module 10 are all arranged on an operation table board 1, an ammeter 12 and a voltmeter 11 are both electrically connected with the rectification circuit module 6, and the revolution meter 13 is electrically connected with the tachogenerator G. Specifically, as shown in fig. 1, the given potential circuit module 2, the speed adjusting circuit module 3, the current adjusting circuit module 4, and the trigger circuit module 5 are located on the left side of the rectifier circuit module 6, the voltmeter 11, the ammeter 12, and the tachometer 13 are located on the right side of the rectifier circuit module 6, the motor M and the tachogenerator G are located on the lower side of the rectifier circuit module 6, and the three-phase power supply module 10 is located on the upper side of the trigger circuit module 5.
The working process of the embodiment: firstly, the direct current speed regulation control circuit is electrified through the three-phase power supply module 10, and each module in the direct current speed regulation control circuit operates according to a preset value; when the tachogenerator G normally operates to generate electricity, the tachometer 13 displays the rotational speed value of the tachogenerator G, the voltmeter 11 displays the voltage value of the rectifier circuit module 6, and the ammeter 12 displays the current value of the rectifier circuit module 6.
The embodiment has at least the following beneficial effects:
1) in the embodiment, the circuit modules in the direct current speed regulation control system are respectively arranged on the operation table board 1, so that students can more intuitively know the composition structure of the direct current speed regulation control system, and the efficiency of practical training teaching is improved;
2) this embodiment is through setting up voltmeter 11 and ampere meter 12 at operation mesa 1, and convenient to use person measures and demonstrates rectifier circuit module 6's voltage value and current value, and this embodiment is through setting up tachometer 13 at operation mesa 1 simultaneously, and convenient to use person measures and demonstrates the revolution of generator, has improved the efficiency of real teaching of instructing.
Preferably, the direct current speed regulation control circuit further comprises a rotating speed feedback circuit module 7 electrically connected with the given potential circuit module 2 and the speed regulation circuit module 3.
Preferably, the dc speed-regulating control circuit further includes a current amplifying circuit module 8 electrically connected to the speed-regulating circuit module 3 and the current-regulating circuit module 4.
Preferably, the dc speed-regulating control circuit further includes an overcurrent protection circuit module 9 electrically connected to the speed regulating circuit module 3 and the current regulating circuit module 4, and the overcurrent protection circuit module 9 is further electrically connected to the current amplifying circuit module 8.
Preferably, the three-phase power module 10 includes a three-phase synchronous power module and a three-phase isolation transformer power module. Through the arrangement, the application range of the power supply is expanded.
Preferably, a lamp L is also included, electrically connected to the tachogenerator G, which lights up when the tachogenerator G is in operation. Through the arrangement, whether the tachogenerator G operates or not is convenient to observe.
Preferably, the trigger circuit module 5 is a three-phase thyristor trigger circuit.
Preferably, the rectifier circuit module 6 is a three-phase thyristor fully-controlled bridge rectifier circuit.
Preferably, the length of the operation table top 1 is 400-450 mm, and the width of the operation table top 1 is 340-380 mm. The length and width are selected as appropriate according to the actual situation.
Preferably, the length of the operation table top 1 is 430mm, and the width of the operation table top 1 is 360 mm. The length and width are selected as appropriate according to the actual situation.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A direct current speed governing control system for instructing teaching in real standard, including direct current speed governing control circuit, direct current speed governing control circuit includes given electric potential circuit module, speed regulation circuit module, current regulation circuit module, trigger circuit module, rectifier circuit module, motor and tachogenerator, given electric potential circuit module respectively with tachogenerator and speed regulation circuit module electricity is connected, speed regulation circuit module with current regulation circuit module electricity is connected, current regulation circuit module with trigger circuit module electricity is connected, trigger circuit module with rectifier circuit module electricity is connected, rectifier circuit module with the motor electricity is connected, the motor with tachogenerator electricity is connected, its characterized in that: the electric motor speed measurement device is characterized by further comprising an operation table board, a voltmeter, an ammeter, a tachometer and a three-phase power supply module electrically connected with the direct current speed regulation control circuit, wherein the given potential circuit module, the speed regulation circuit module, the current regulation circuit module, the trigger circuit module, the rectification circuit module, the motor, the tachometer generator and the three-phase power supply module are all arranged on the operation table board, the ammeter and the voltmeter are all electrically connected with the rectification circuit module, and the tachometer is electrically connected with the tachometer generator.
2. The direct current speed regulation control system for practical training teaching of claim 1, wherein: the direct current speed regulation control circuit further comprises a rotating speed feedback circuit module electrically connected with the given potential circuit module and the speed regulation circuit module.
3. The direct current speed regulation control system for practical training teaching of claim 1, wherein: the direct current speed regulation control circuit further comprises a current amplification circuit module electrically connected with the speed regulation circuit module and the current regulation circuit module.
4. The direct current speed regulation control system for practical training teaching of claim 3, wherein: the direct current speed regulation control circuit further comprises an overcurrent protection circuit module electrically connected with the speed regulation circuit module and the current regulation circuit module, and the overcurrent protection circuit module is also electrically connected with the current amplification circuit module.
5. The direct current speed regulation control system for practical training teaching of claim 1, wherein: the three-phase power supply module comprises a three-phase synchronous power supply module and a three-phase isolation transformer power supply module.
6. The direct current speed regulation control system for practical training teaching of claim 1, wherein: the device also comprises a power generation lamp electrically connected with the tachogenerator.
7. The direct current speed regulation control system for practical training teaching of claim 1, wherein: the trigger circuit module is a three-phase thyristor trigger circuit.
8. The direct current speed regulation control system for practical training teaching of claim 1, wherein: the rectifier circuit module is a three-phase thyristor full-control bridge rectifier circuit.
9. The direct current speed regulation control system for practical training teaching of claim 1, wherein: the length of the operation table top is 400-450 mm, and the width of the operation table top is 340-380 mm.
10. The direct current speed regulation control system for practical training teaching of claim 9, wherein: the length of operation mesa is 430mm, the width of operation mesa is 360 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399804.9U CN214897191U (en) | 2021-02-23 | 2021-02-23 | Direct-current speed regulation control system for practical training teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120399804.9U CN214897191U (en) | 2021-02-23 | 2021-02-23 | Direct-current speed regulation control system for practical training teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214897191U true CN214897191U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120399804.9U Expired - Fee Related CN214897191U (en) | 2021-02-23 | 2021-02-23 | Direct-current speed regulation control system for practical training teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214897191U (en) |
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2021
- 2021-02-23 CN CN202120399804.9U patent/CN214897191U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |