CN203055274U - Frequency conversion speed regulation experimental training device - Google Patents
Frequency conversion speed regulation experimental training device Download PDFInfo
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- CN203055274U CN203055274U CN 201320000832 CN201320000832U CN203055274U CN 203055274 U CN203055274 U CN 203055274U CN 201320000832 CN201320000832 CN 201320000832 CN 201320000832 U CN201320000832 U CN 201320000832U CN 203055274 U CN203055274 U CN 203055274U
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Abstract
The utility model discloses a frequency conversion speed regulation experimental training device comprising a device housing, and a circuit panel, a frequency converter and an AC motor all arranged in the device housing, wherein the AC motor is arranged on a lower portion in the device housing, the frequency converter is arranged on a middle portion in the device housing, the circuit panel is arranged on an upper portion in the device housing, and a bottom of the device housing is provided with rollers. The frequency conversion speed regulation experimental training device is simple in structure, can easily realize functional combining experiments, and can obtain a purpose of realizing general comprehensive experiments; the device is also provided with various connection terminals, and can satisfy a purpose of experimental training expansion; and the device is concise in whole structure preparation and low in cost, is convenient to be assembled and prepared in colleges, is suitable for experimental training, is easy to move, and is suitable for needs of school experimental training.
Description
Technical field
The utility model belongs to the instruments used for education field, is specifically related to a kind of frequency control experimental real-training apparatus.
Background technology
Along with China's development of professional education, more and more higher to the requirement of experimental apparatus practicality and operability, to satisfy the requirement of experiment and practice-training teaching.Existing frequency control experimental real-training apparatus function design is single, connecting interface is difficult for expansion, lack converter technology parameter testing function, it is not enough that function is used design, incompatible with the vocational education teaching pattern, and the experimental real-training module application has certain limitation, is difficult to realize general comprehensive experimental real-training; The way of extensive experimentation space that lacks circuit.
Summary of the invention
For addressing the above problem, the purpose of this utility model provides a kind of frequency control experimental real-training apparatus, the deficiency of existing frequency control experimental real-training apparatus is improved and optimized, make the multi-functional experimental real-training of the easier realization of frequency control experimental real-training apparatus, thereby be able to realize the purpose of general comprehensive experiment.
The technical scheme that realizes the utility model purpose is: a kind of frequency control experimental real-training apparatus; comprise device case; be arranged on the circuit board in the device case; frequency converter and alternating current generator; described alternating current generator is arranged on the bottom in the described device case; described frequency converter is arranged on the middle part in the described device case; described circuit board is arranged on the top in the device case; the bottom of described device case is provided with roller; front on the described circuit board is provided with the power supply earth leakage protective device; power safety device; the input supply voltage detecting device; the input power light; input source current detecting device; power input terminal; main circuit of converter; the external braking terminal of frequency converter; inverter output terminal; the frequency converter output voltage detecting device; the three phase alternating current motor splicing ear; the communication terminal; operation control pilot lamp; first relay-operated controller; second relay-operated controller; the 3rd relay-operated controller; first analog signal output; second analog signal output; motor heat protection controller; numeral input controller; numeral input gauge tap; first input end of analog signal; second input end of analog signal; the variable frequency regulating speed control device; the back side of circuit board is provided with the circuit connecting wire road; 12V stabilized voltage supply and frequency converter interface; described circuit board is connected with described frequency converter by the frequency converter interface; described 12V stabilized voltage supply is electrically connected with described main circuit of converter through power input terminal; described power supply earth leakage protective device; power safety device; the input supply voltage detecting device; the input power light; input source current detecting device is arranged between power input terminal and the described main circuit of converter; the external braking terminal of described frequency converter; inverter output terminal; the frequency converter output voltage detecting device; the communication terminal; operation control pilot lamp; first relay-operated controller; second relay-operated controller; the 3rd relay-operated controller; first analog signal output; second analog signal output; numeral input controller; numeral input gauge tap; first input end of analog signal; second input end of analog signal; the variable frequency regulating speed control device is electrically connected with described main circuit of converter respectively; described alternating current generator is electrically connected with described main circuit of converter through described three phase alternating current motor splicing ear, and described motor heat protection controller is arranged between described three phase alternating current motor splicing ear and the described main circuit of converter.
The utlity model has positive effect: simple in structure, the combination experiment that can make the easier realization function of frequency control experimental real-training apparatus of the present utility model is able to realize the purpose of general comprehensive experiment; Also be provided with various splicing ears, can satisfy way of extensive experimentation real training purpose, and its one-piece construction making is succinct, cost is lower, is conducive to produce in universities and colleges' assembling, makes things convenient for experimental real-training, and convenient the movement, the needs of school's experimental real-training be applicable to.
Description of drawings
Content of the present utility model is easier clearly to be understood in order to make, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is structure synoptic diagram of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 and Fig. 2 have shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model; Fig. 2 is structure synoptic diagram of the present utility model.
See Fig. 1 and Fig. 2; a kind of frequency control experimental real-training apparatus; comprise device case 1; be arranged on the circuit board 2 in the device case 1; frequency converter 3 and alternating current generator 4; described alternating current generator 4 is arranged on the bottom in the described device case 1; described frequency converter 3 is arranged on the middle part in the described device case 1; described circuit board 2 is arranged on the top in the device case 1; front on the described circuit board 2 is provided with power supply earth leakage protective device 5; power safety device 6; input supply voltage detecting device 7; input power light 8; input source current detecting device 9; power input terminal 10; main circuit of converter 11; the external braking terminal 12 of frequency converter; inverter output terminal 13; frequency converter output voltage detecting device 14; three phase alternating current motor splicing ear 15; communication terminal 16; operation control pilot lamp 17; first relay-operated controller 18; second relay-operated controller 19; the 3rd relay-operated controller 20; first analog signal output 21; second analog signal output 22; motor heat protection controller 23; numeral input controller 24; numeral input gauge tap 25; first input end of analog signal 26; second input end of analog signal 27; variable frequency regulating speed control device 28; the bottom of described device case 1 is provided with roller 29; the back side of circuit board 2 is provided with circuit connecting wire road 30; 12V stabilized voltage supply 31 and frequency converter interface 32; described circuit board 2 is connected with described frequency converter 3 by frequency converter interface 32; described 12V stabilized voltage supply 31 is electrically connected with described main circuit of converter 11 through power input terminal 10; described power supply earth leakage protective device 5; power safety device 6; input supply voltage detecting device 7; input power light 8; input source current detecting device 9 is arranged between power input terminal 10 and the described main circuit of converter 11; the external braking terminal 12 of described frequency converter; inverter output terminal 13; frequency converter output voltage detecting device 14; communication terminal 16; operation control pilot lamp 17; first relay-operated controller 18; second relay-operated controller 19; the 3rd relay-operated controller 20; first analog signal output 21; second analog signal output 22; numeral input controller 24; numeral input gauge tap 25; first input end of analog signal 26; second input end of analog signal 27; variable frequency regulating speed control device 28 is electrically connected with described main circuit of converter 11 respectively; described alternating current generator 4 is electrically connected with described main circuit of converter 11 through described three phase alternating current motor splicing ear 15, and described motor heat protection controller 23 is arranged between described three phase alternating current motor splicing ear 15 and the described main circuit of converter 11.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (1)
1. frequency control experimental real-training apparatus; comprise device case; be arranged on the circuit board in the device case; frequency converter and alternating current generator; described alternating current generator is arranged on the bottom in the described device case; described frequency converter is arranged on the middle part in the described device case; described circuit board is arranged on the top in the device case; the bottom of described device case is provided with roller; it is characterized in that: the front on the described circuit board is provided with the power supply earth leakage protective device; power safety device; the input supply voltage detecting device; the input power light; input source current detecting device; power input terminal; main circuit of converter; the external braking terminal of frequency converter; inverter output terminal; the frequency converter output voltage detecting device; the three phase alternating current motor splicing ear; the communication terminal; operation control pilot lamp; first relay-operated controller; second relay-operated controller; the 3rd relay-operated controller; first analog signal output; second analog signal output; motor heat protection controller; numeral input controller; numeral input gauge tap; first input end of analog signal; second input end of analog signal; the variable frequency regulating speed control device; the back side of circuit board is provided with the circuit connecting wire road; 12V stabilized voltage supply and frequency converter interface; described circuit board is connected with described frequency converter by the frequency converter interface; described 12V stabilized voltage supply is electrically connected with described main circuit of converter through power input terminal; described power supply earth leakage protective device; power safety device; the input supply voltage detecting device; the input power light; input source current detecting device is arranged between power input terminal and the described main circuit of converter; the external braking terminal of described frequency converter; inverter output terminal; the frequency converter output voltage detecting device; the communication terminal; operation control pilot lamp; first relay-operated controller; second relay-operated controller; the 3rd relay-operated controller; first analog signal output; second analog signal output; numeral input controller; numeral input gauge tap; first input end of analog signal; second input end of analog signal; the variable frequency regulating speed control device is electrically connected with described main circuit of converter respectively; described alternating current generator is electrically connected with described main circuit of converter through described three phase alternating current motor splicing ear, and described motor heat protection controller is arranged between described three phase alternating current motor splicing ear and the described main circuit of converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320000832 CN203055274U (en) | 2013-01-04 | 2013-01-04 | Frequency conversion speed regulation experimental training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320000832 CN203055274U (en) | 2013-01-04 | 2013-01-04 | Frequency conversion speed regulation experimental training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055274U true CN203055274U (en) | 2013-07-10 |
Family
ID=48738204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320000832 Expired - Fee Related CN203055274U (en) | 2013-01-04 | 2013-01-04 | Frequency conversion speed regulation experimental training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055274U (en) |
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2013
- 2013-01-04 CN CN 201320000832 patent/CN203055274U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20150104 |
|
| EXPY | Termination of patent right or utility model |