CN203606160U - Experimental device for electronic speed regulator - Google Patents
Experimental device for electronic speed regulator Download PDFInfo
- Publication number
- CN203606160U CN203606160U CN201320823783.4U CN201320823783U CN203606160U CN 203606160 U CN203606160 U CN 203606160U CN 201320823783 U CN201320823783 U CN 201320823783U CN 203606160 U CN203606160 U CN 203606160U
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- speed regulator
- interface circuit
- speed
- input
- chip
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Abstract
The utility model discloses an experimental device for an electronic speed regulator, and the device comprises a displacement sensor, an input interface circuit, a load simulator, an output interface circuit, a rotating speed sensor, an alarm, and an early warning lamp, wherein the displacement sensor is connected with a speed-regulating output end of the electronic speed regulator, and the displacement sensor is connected with the load simulator through the input interface circuit. The load simulator is connected with the rotating speed sensor through the output interface circuit. The alarm and the early warning lamp communicate with the rotating speed sensor. The output end of the rotating speed sensor is connected with the adjustment input port of the electronic speed regulator. The device provided by the utility model verifies the electronic speed regulator, and carries out error classification according to the verification results, thereby bring convenience to a worker for inspection. The device is simple and convenient in operation, is reliable and safe in verification of the electronic speed regulator, has no need of testing the electronic speed regulator on a real machine, has no need of disassembly and assembly, and saves the cost of verification.
Description
Technical field
The utility model relates to verification engineering field, relates in particular to a kind of electron speed regulator experimental provision.
Background technology
Electron speed regulator all must carry out performance test before using, to examine its regulating power and to set suitable control parameter, on real machine, carry out direct can test and there is certain danger, and operating process is loaded down with trivial details, cost is high, therefore, need a kind of experimental provision of electron speed regulator, the test before can dispatching from the factory to electron speed regulator safely, reliably or after maintenance, guarantees the normal work of electron speed regulator.
Summary of the invention
The purpose of this utility model is exactly in order to address the above problem, and a kind of electron speed regulator experimental provision is provided, and this device can economic, the convenient and safe examination of carrying out electron speed regulator, test, guarantees the use safety of electron speed regulator.
To achieve these goals, the utility model adopts following technical scheme:
A kind of electron speed regulator experimental provision, comprise displacement transducer, input interface circuit, load simulation device, output interface circuit, speed probe, alarm and early-warning lamp, wherein, the speed regulation output end of displacement transducer connecting electronic speed regulator, displacement transducer is by input interface circuit connected load simulator, load simulation device connects speed probe by output interface circuit, alarm, early-warning lamp are communicated by letter with speed probe, the adjusting input port of the output terminal connecting electronic speed regulator of speed probe.
Described early-warning lamp adopts 3V light emitting diode, and current margin is at 10-20mA, and the checkout action pilot lamp that exceeds standard is at a high speed red light emitting diodes, and the low speed checkout action pilot lamp that exceeds standard is yellow light-emitting diode.
Described output interface circuit comprises 74LS138 chip, 74LS02 input nand gate, 74LS273 chip, wherein, and 74LS138's
end connects the U of 74LS02 input nand gate
4a input port, the U of 74LS02 input nand gate
4a output port connects 74LS273 chip.
Described input interface circuit comprises 74LS138 chip, 74LS02 input nand gate, 74LS373 chip, wherein, and 74LS138's
end connects the U of 74LS02 input nand gate
4b input port, the U of 74LS02 input nand gate
4b output port connects 74LS373 chip.
Principle of work of the present utility model is: the speed output terminal of electron speed regulator to be measured is connected on displacement transducer, give setting speed of electron speed regulator, electron speed regulator output regulation signal, displacement transducer gathers conditioning signal, amplify by input interface circuit, after filtration, be connected to load simulation device, the rotation speed change of load simulation device, speed probe detects the rotating speed after regulating, if the difference of adjusting rotary speed and setting speed is in specialized range, electron speed regulator is qualified, if difference exceedes specialized range, alarm equipment alarm, if adjusting rotary speed exceedes specialized range higher than the difference of setting speed, early-warning lamp is red, if adjusting rotary speed exceedes specialized range lower than the difference of setting speed, early-warning lamp is yellow.
The beneficial effects of the utility model are:
1,, without the test of carrying out electron speed regulator on real machine, without dismounting, save verification funds;
2, electron speed regulator is carried out to verification, and carry out mis-classification according to check results, facilitate staff to check;
3, easy and simple to handle, reliable, safe carries out verification to electron speed regulator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is input of the present utility model, output interface circuit.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, a kind of electron speed regulator experimental provision, comprise displacement transducer, input interface circuit, load simulation device, output interface circuit, speed probe, alarm and early-warning lamp, wherein, the speed regulation output end of displacement transducer connecting electronic speed regulator, displacement transducer is by input interface circuit connected load simulator, load simulation device connects speed probe by output interface circuit, alarm, early-warning lamp are communicated by letter with speed probe, the adjusting input port of the output terminal connecting electronic speed regulator of speed probe.
Early-warning lamp adopts 3V light emitting diode, and current margin is at 10-20mA, and the checkout action pilot lamp that exceeds standard is at a high speed red light emitting diodes, and the low speed checkout action pilot lamp that exceeds standard is yellow light-emitting diode.
As shown in Figure 2, output interface circuit comprises 74LS138 chip, 74LS02 input nand gate, 74LS273 chip, wherein, and 74LS138's
end connects the U of 74LS02 input nand gate
4a input port, the U of 74LS02 input nand gate
4a output port connects 74LS273 chip.
Input interface circuit comprises 74LS138 chip, 74LS02 input nand gate, 74LS373 chip, wherein, and 74LS138's
end connects the U of 74LS02 input nand gate
4b input port, the U of 74LS02 input nand gate
4b output port connects 74LS373 chip.
The speed output terminal of electron speed regulator to be measured is connected on displacement transducer, give setting speed of electron speed regulator, electron speed regulator output regulation signal, displacement transducer gathers conditioning signal, amplify by input interface circuit, after filtration, be connected to load simulation device, the rotation speed change of load simulation device, speed probe detects the rotating speed after regulating, if the difference of adjusting rotary speed and setting speed is in specialized range, electron speed regulator is qualified, if difference exceedes specialized range, alarm equipment alarm, if adjusting rotary speed exceedes specialized range higher than the difference of setting speed, early-warning lamp is red, if adjusting rotary speed exceedes specialized range lower than the difference of setting speed, early-warning lamp is yellow.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (4)
1. an electron speed regulator experimental provision, it is characterized in that: comprise displacement transducer, input interface circuit, load simulation device, output interface circuit, speed probe, alarm and early-warning lamp, wherein, the speed regulation output end of displacement transducer connecting electronic speed regulator, displacement transducer is by input interface circuit connected load simulator, load simulation device connects speed probe by output interface circuit, alarm, early-warning lamp are communicated by letter with speed probe, the adjusting input port of the output terminal connecting electronic speed regulator of speed probe.
2. a kind of electron speed regulator experimental provision as claimed in claim 1, it is characterized in that: described early-warning lamp adopts 3V light emitting diode, current margin is at 10-20mA, the checkout action pilot lamp that exceeds standard is at a high speed red light emitting diodes, and the low speed checkout action pilot lamp that exceeds standard is yellow light-emitting diode.
3. a kind of electron speed regulator experimental provision as claimed in claim 1, is characterized in that: described output interface circuit comprises 74LS138 chip, 74LS02 input nand gate, 74LS273 chip, wherein, and 74LS138's
end connects the U of 74LS02 input nand gate
4a input port, the U of 74LS02 input nand gate
4a output port connects 74LS273 chip.
4. a kind of electron speed regulator experimental provision as claimed in claim 1, is characterized in that: described input interface circuit comprises 74LS138 chip, 74LS02 input nand gate, 74LS373 chip, wherein, and 74LS138's
end connects the U of 74LS02 input nand gate
4b input port, the U of 74LS02 input nand gate
4b output port connects 74LS373 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823783.4U CN203606160U (en) | 2013-12-13 | 2013-12-13 | Experimental device for electronic speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320823783.4U CN203606160U (en) | 2013-12-13 | 2013-12-13 | Experimental device for electronic speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203606160U true CN203606160U (en) | 2014-05-21 |
Family
ID=50718826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320823783.4U Expired - Fee Related CN203606160U (en) | 2013-12-13 | 2013-12-13 | Experimental device for electronic speed regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203606160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445318A (en) * | 2018-03-13 | 2018-08-24 | 广东容祺智能科技有限公司 | A kind of electron speed regulator with on-line checking function |
-
2013
- 2013-12-13 CN CN201320823783.4U patent/CN203606160U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445318A (en) * | 2018-03-13 | 2018-08-24 | 广东容祺智能科技有限公司 | A kind of electron speed regulator with on-line checking function |
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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: 20140521 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |