CN202903130U - Electric adjustment experiment testing device - Google Patents
Electric adjustment experiment testing device Download PDFInfo
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- CN202903130U CN202903130U CN 201220601326 CN201220601326U CN202903130U CN 202903130 U CN202903130 U CN 202903130U CN 201220601326 CN201220601326 CN 201220601326 CN 201220601326 U CN201220601326 U CN 201220601326U CN 202903130 U CN202903130 U CN 202903130U
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Abstract
The utility model relates to an electric adjustment experiment testing device, which is characterized in that a power supply part is connected with a signal detection part, a data collection part, a control part and a display part; the signal detection part is sequentially connected with the data collection part, the control part and the display part; and the signal detection part, which is used for detecting the turning angle of an engine, is further connected with the display part. The electric adjustment experiment testing device has the advantages of simple structure, accurate control, easiness in implementation, and low cost. The measurement precision is high, and a circuit operates stably.
Description
Technical field
The utility model belongs to electricity debugging test electricity testing device field, and specifically engine corner sensor carries out the device of performance test analysis in a kind of Aviation system.
Background technology
Change along with the different of engine behavior with α 2 with high pressure admission adjustable guide vane corner α 1 in the control of the comprehensive automation regulating device engine low pressure of getting off the plane.Often to use special measurement device measuring α 1 and α 2 in the face of engine when safeguarding on ground, in order to it is accurately adjusted, guarantee that it is operated in optimum condition.For being convenient for measuring, be provided with selsyn as angular transducer at the blade gearing, as long as show accurately the purpose that has just reached measurement of angle with the angled value of signal transition of selsyn output and by display.In present stage, the angle measurement method that adopts exists test circuit unstable, and Given this problems such as debug difficulties plant situation, and we adopt some maturations, stable, integrated chip, have developed a cover electricity debugging test electricity testing device.
The utility model content
In order to reach the purpose that detects engine corner sensor, the utility model has designed a kind of electricity debugging test electricity testing device.
The technical scheme that the utility model adopts for achieving the above object is: a kind of electricity debugging test electricity testing device, and the power supply part is connected with input part, part of data acquisition, control section, display part; The input part is linked in sequence with part of data acquisition, control section, display part; Input part for detection of the engine corner also is connected with the display part.
Described part of data acquisition is 12 resolver-to-angle converter HSDC1742.
Described display part comprises microampere meter, AC voltage digital display meter, digital display tube and position indicator.
Described control section comprises that single-chip microcomputer, digital-to-analogue transform chip and the special-purpose monitoring chip of microprocessor; Single-chip microcomputer transforms chip with digital-to-analogue, the special-purpose monitoring chip of microprocessor is connected; Digital-to-analogue transforms chip and is connected with the microampere meter of part of data acquisition, display part; Single-chip microcomputer is connected with digital display tube.
Described signal detecting part divides and comprises synchro pick-up and position transducer; Synchro pick-up is connected with the position indicator of part of data acquisition, display part; Position transducer is connected with the AC voltage digital display meter of display part.
Described power supply part comprises integrated power supply, pot and variable-voltage power supply plate; Integrated power supply is connected with pot; Integrated power supply also is connected with synchro pick-up, position indicator; Pot is connected with position transducer, AC voltage digital display meter; The variable-voltage power supply plate transforms chip with single-chip microcomputer, the digital-to-analogue of control section, the special-purpose monitoring chip of microprocessor is connected.
The utlity model has following beneficial effect and advantage:
1. simple in structure, precise control realizes that easily cost is low.
2. measuring accuracy is high, and circuit working is stable.
Description of drawings
Fig. 1 is hardware structure diagram of the present utility model;
Fig. 2 is the hardware structure diagram of the utility model control section;
Fig. 3 is the flow chart of 89C51 single-chip microcomputer of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, electricity debugging test electricity testing device comprises: the power supply part is comprised of integrated power supply and variable-voltage power supply plate; The input part, synchronizing signal and the position signalling of detection engine corner sensor; Part of data acquisition, the detection signal of collecting and detecting device also is converted to the discernible digital signal of electricity debugging check system; Control section is analyzed, is processed the signal that the data harvester transmits; The display part is carried out numeral to the signal after processing and is shown.Described test section is made of synchro pick-up and position transducer.
The concrete connecting mode of this pick-up unit is: power panel is input as transformer device structure, becomes direct supply after drag flow is stable, and output is directly connected to the power input of synchro pick-up, position indicator and control section; The 400HZ 36V power end of integrated power supply is directly inputted to the power input of the 400HZ 36V of synchro pick-up, position indicator and part of data acquisition, 400HZ 7V output is connected rotary transformer through potentiometer and AC voltage digital display meter with position transducer) input end is connected, wherein synchro pick-up (being used for taking measurement of an angle), position indicator all are connected with A, B, the C 400HZ 36V end of part of data acquisition, the signal of part of data acquisition is connected to control section, after treatment, show by the display part.
The principle of work of pick-up unit is that synchro pick-up is the selsyn of 400HZ excitation, when corner α changes, and the three-phase voltage U of selsyn output
A, U
B, U
CBe the continuous oscillation that a sinusoidal rule changes, its oscillation frequency is determined by the frequency that excitation provides, its amplitude is directly proportional with the sine value of corner of living in, the angle that position indicator rotates the angle signal simultaneous display of the synchro pick-up of tested excitation selsyn, control section shows the angle signal of the synchro pick-up of tested excitation selsyn with current value.Position transducer belongs to a rotary transformer, is a kind of small-sized alternating current generator, is comprised of stator and rotor, and stator winding is the former limit of transformer, and the field voltage of the 400HZ 6V of integrated power supply is added on the stator winding.Be that mutual inductance system between stator and rotor winding accurately changes by (or cosine) rule of the angle of stator and rotor when rotor rotates, the magnitude of voltage that adopts 4 AC voltage digital display meters to measure can accurately be determined corner α.
Part of data acquisition mainly is made of 12 resolver-to-angle converter HSDC1742, and its function mainly is to realize the mutual conversion of angle simulating signal and digital signal, satisfies system the angle parameter is implemented quantification treatment and control.
As shown in Figure 2, control section is made of the special-purpose monitoring chip MAX813L of single chip computer AT 89C51 chip, digital-to-analog conversion DAC1230 chip and microprocessor.The structured flowchart of control section is seen Fig. 2.Single-chip microcomputer is connected with analog-digital chip, the special-purpose monitoring chip of microprocessor; Analog-digital chip is connected with the microampere meter of part of data acquisition, display part.Single-chip microcomputer is connected with digital display tube.
The MAX813L chip has following features: (1) powers up, the output that resets in power down and the voltage drop situation, and the reseting pulse width representative value is 200ms; (2) independently house dog output, if the house dog input is not triggered at 1.6s, its output will become high level; (3) 1.25V threshold value monitor is used for power fail and reports to the police.The MAX813L chip is linked to each other with 89C51, guarantee the normal execution of Single Chip Microcomputer (SCM) program.This proving installation development and Design electricity is transferred experimental test program (see figure 3), downloads in the single-chip microcomputer of 89C51 system, has realized transferring in the testing experiment at electricity, to a series of activities such as the verification of test figure, demonstration, analysis, judgements.
As shown in Figure 3, single-chip microcomputer adopts non-linear revision program, uses the method for Sectionalized linear approach curve, guarantee the accuracy of measurement, adopted simultaneously the program that prevents that interval transfer point false tripping from becoming, avoid wrong generation, regularly give monolithic processor resetting in the program, guarantee the single-chip microcomputer reliability of operation.The 89C51 single-chip microcomputer links to each other with the DAC1230 chip, and DAC1230 will be converted to analog signals from the digital quantity signal of single-chip microcomputer output, show numerical value by the display part.
Claims (6)
1. an electricity is debugged the test electricity testing device, it is characterized in that: the power supply part is connected with input part, part of data acquisition, control section, display part; The input part is linked in sequence with part of data acquisition, control section, display part; Input part for detection of the engine corner also is connected with the display part.
2. a kind of electricity according to claim 1 is debugged the test electricity testing device, it is characterized in that:
Described part of data acquisition is 12 resolver-to-angle converter HSDC1742.
3. a kind of electricity according to claim 1 is debugged the test electricity testing device, it is characterized in that:
Described display part comprises microampere meter, AC voltage digital display meter, digital display tube and position indicator.
4. a kind of electricity according to claim 1 is debugged the test electricity testing device, it is characterized in that:
Described control section comprises that single-chip microcomputer, digital-to-analogue transform chip and the special-purpose monitoring chip of microprocessor; Single-chip microcomputer transforms chip with digital-to-analogue, the special-purpose monitoring chip of microprocessor is connected; Digital-to-analogue transforms chip and is connected with the microampere meter of part of data acquisition, display part; Single-chip microcomputer is connected with digital display tube.
5. a kind of electricity according to claim 1 is debugged the test electricity testing device, it is characterized in that:
Described signal detecting part divides and comprises synchro pick-up and position transducer; Synchro pick-up is connected with the position indicator of part of data acquisition, display part; Position transducer is connected with the AC voltage digital display meter of display part.
6. a kind of electricity according to claim 1 is debugged the test electricity testing device, and it is characterized in that: described power supply part comprises integrated power supply, pot and variable-voltage power supply plate; Integrated power supply is connected with pot; Integrated power supply also is connected with synchro pick-up, position indicator; Pot is connected with position transducer, AC voltage digital display meter; The variable-voltage power supply plate transforms chip with single-chip microcomputer, the digital-to-analogue of control section, the special-purpose monitoring chip of microprocessor is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601326 CN202903130U (en) | 2012-11-14 | 2012-11-14 | Electric adjustment experiment testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601326 CN202903130U (en) | 2012-11-14 | 2012-11-14 | Electric adjustment experiment testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903130U true CN202903130U (en) | 2013-04-24 |
Family
ID=48123790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220601326 Expired - Lifetime CN202903130U (en) | 2012-11-14 | 2012-11-14 | Electric adjustment experiment testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976981A (en) * | 2014-04-10 | 2015-10-14 | 哈尔滨飞机工业集团有限责任公司 | Flap position indicator verification system |
| CN105091834A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Position indicator tester |
-
2012
- 2012-11-14 CN CN 201220601326 patent/CN202903130U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976981A (en) * | 2014-04-10 | 2015-10-14 | 哈尔滨飞机工业集团有限责任公司 | Flap position indicator verification system |
| CN105091834A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Position indicator tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |