CN111123886A - Comprehensive testing device and testing method for program controller - Google Patents
Comprehensive testing device and testing method for program controller Download PDFInfo
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- CN111123886A CN111123886A CN201911246542.6A CN201911246542A CN111123886A CN 111123886 A CN111123886 A CN 111123886A CN 201911246542 A CN201911246542 A CN 201911246542A CN 111123886 A CN111123886 A CN 111123886A
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- vacuum box
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of detection, and discloses a comprehensive testing device and a testing method for a program controller; the testing device consists of a comprehensive tester, a comprehensive test bed and a vacuum pump, wherein the comprehensive tester comprises a pressure sensor, a power supply module and a circuit board assembly; the invention adopts a modularized design scheme, a tested product is clamped and positioned accurately and has clear identification in the device, a single chip microcomputer microprocessing technology is adopted for control and a grating technology is adopted for monitoring the action time, and the operation of listening to and controlling an electric stopwatch by a person is replaced; the vacuum box is pneumatically clamped, locked and unlocked, and the technical method of manual locking is replaced. The test precision is high, the operation and the use are convenient, and the mercury pollution is thoroughly eliminated. The invention realizes the user use requirement of completing various product tests by one device and has the characteristics of wide application range, strong universality, good expansibility and convenient operation.
Description
Technical Field
The invention belongs to the technical field of detection, and discloses a comprehensive testing device and a testing method for a program controller.
Background
The new aviation products of enterprises need various tests and checks in development, and old test equipment has poor test precision and test efficiency which are not suitable for the requirements of modern production.
The existing product is a double-needle height gauge visual inspection and manual operation mode, namely a double-needle КП detection device produced by Russia.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the testing device for testing the working height and the airspeed time of the program controller is high in testing precision, simple and convenient to operate and free of environmental pollution.
The technical scheme of the invention is as follows: the utility model provides a program controller integrated test device which characterized by: the comprehensive tester consists of a comprehensive tester, a comprehensive test bed and an external air source, wherein the comprehensive tester comprises a pressure sensor, a power supply module and a circuit board assembly; the output port of the pressure sensor is connected with the sampling port of the circuit board assembly, and the power supply module is respectively connected to the circuit board assembly and the power supply input port of the pressure sensor through leads; the comprehensive test bed mainly comprises a vacuum box, a power supply, a cylinder and an optical coupler; the power output end is connected with a tested product, the pull-out joint of the cylinder is connected with a steel lock of the tested product, the cylinder and the optical coupler are arranged on a bottom plate in the vacuum box, and the circuit board assembly is connected with the optical coupler through a cable; the external air source is connected with the air vent of the vacuum box through a conduit.
The circuit board assembly comprises a sampling module, a singlechip data processing module and an LED data display module; the sampling module transmits the acquired pressure data to the single chip data processing module, and the single chip data processing module converts the data and displays the data on the LED data display module.
The steel cable blocks the optical coupler to receive the optical signal, and the steel cable pulls the optical coupler to receive the optical signal and transmits the optical signal to the circuit board assembly.
The bottom of the vacuum box is provided with a pneumatic control clamp, a tested product is arranged on a positioning block of the pneumatic control clamp, a locking button is pressed, the tested product is locked, and an internal cylinder and the product to be side are tensioned by a steel lock. When the tested product reaches the designated pressure point, the steel cable is unlocked.
The vacuum box adjusts the pressure of the vacuum box through an external air source, the pressure sensor is connected with the air vent of the vacuum box, the pressure value is transmitted to the circuit board assembly, and the circuit board assembly displays the pressure value.
The vacuum box is internally provided with an optical coupler, a detected product reaches a specified pressure value to drive the air cylinder to slide, the switching signal of the optical coupler changes, the circuit board assembly collects the signal change of the optical coupler, and the change time is displayed.
The external air source consists of a fine adjustment hand pump and a vacuum pump. The vacuum pump vacuumizes the vacuum box, and the fine-adjustment hand pump is connected with a tested product and manually adjusts a knob to apply pressure to the tested product.
A test method of a program controller comprehensive test device is characterized in that a quick connector connected with a low-pressure air source air pipe is inserted into a ventilation interface of a comprehensive test bed;
the comprehensive test bed is connected with the comprehensive tester circuit board assembly through a cable, and a tested product is installed on a pneumatic control clamp of the comprehensive test bed;
connecting a vacuum pump with a vacuumizing interface on the test bed by using a vacuum rubber tube;
after connection is finished, pressing a measurement selection key on a front panel of the comprehensive tester, indicating the height I position by a function, displaying the height H in a height window, adjusting the height test point of a tested product, putting the tested product into a vacuum box for fixing, and connecting and fixing a pull-out joint of an air cylinder with a steel lock of the tested product;
the upper lock plate moves backwards under the driving of the upper lock shaft by pressing a 'locking button', a tested product can be locked smoothly, the 'locking button' is loosened, the cylinder extends back by about 20mm, a power switch of a vacuum pump is turned on to pump air, the gas in the vacuum box is pumped out, and the height indication is gradually increased; stopping air extraction when the height rises to 1000-1100 meters above the measured point; turning the pull-out joint knob to a pull-out joint position, and pulling out the pull-out joint to separate from the tested product to make the tested product in an unlocking working state; and then slowly turning the air inlet knob in a left-handed mode, adjusting the descending speed to enable the air inlet knob to meet the specified ascending and descending speed value (20-30) m/s of the tested product, unlocking the tested product when the height of the air inlet knob is reduced to be close to the working point, pulling back the steel cable, transmitting an unlocking signal to the comprehensive tester circuit board assembly through the optical coupler, wherein the height value on the display screen is the actual unlocking height of the working point of the tested product.
The invention has the beneficial effects that: the invention adopts a modularized design scheme, the tested product is clamped and positioned accurately and has clear marks in the device, and the circuit board assembly adopts the singlechip microprocessor technology to display data, so that the device is simple and effective; the airspeed time and pressure parameters of the tested product are tested by a comprehensive digital technology, and a mercury altimeter and a vacuum cover are replaced; the micro-processing technology of a single chip microcomputer is adopted for control and the grating technology is adopted for monitoring the action time, and the operation of listening to and controlling an electric stopwatch by a person for testing is replaced; the vacuum box is pneumatically clamped, locked and unlocked, and the technical method of manual locking is replaced. The test precision is high, the operation and the use are convenient, and the mercury pollution is thoroughly eliminated. The invention realizes the user use requirement of completing various product tests by one device and has the characteristics of wide application range, strong universality, good expansibility and convenient operation.
Drawings
FIG. 1 is a schematic block diagram of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
A program controller comprehensive test device is composed of a comprehensive tester, a comprehensive test bed and an external air source, wherein the comprehensive tester comprises a pressure sensor, a power supply module and a circuit board assembly; the output port of the pressure sensor is connected with the sampling port of the circuit board assembly, and the power supply module is respectively connected to the circuit board assembly and the power supply input port of the pressure sensor through leads; the comprehensive test bed mainly comprises a vacuum box, a power supply, a cylinder and an optical coupler; the power output end is connected with a product to be detected, the pull-out joint of the cylinder is connected with a steel lock of the product to be detected, the steel cable blocks the optical coupler to receive optical signals, and the steel cable pulls the optical coupler to receive the optical signals and transmit the optical signals to the circuit board assembly. The cylinder and the optical coupler are arranged on a bottom plate in the vacuum box, and the circuit board assembly is connected with the optical coupler through a cable; the external air source is connected with the air vent of the vacuum box through a conduit. The circuit board assembly comprises a sampling module, a singlechip data processing module and an LED data display module; the sampling module transmits the acquired pressure data to the single chip data processing module, and the single chip data processing module converts the data and displays the data on the LED data display module.
The bottom of the vacuum box is provided with a pneumatic control clamp, a tested product is arranged on a positioning block of the pneumatic control clamp, a locking button is pressed, the tested product is locked, and an internal cylinder and the product to be side are tensioned by a steel lock. When the tested product reaches the designated pressure point, the steel cable is unlocked. The pressure of the vacuum box is adjusted through an external air source, the pressure sensor is connected with the air vent of the vacuum box, the pressure value is transmitted to the circuit board assembly, and the circuit board assembly displays the pressure value. An optical coupler is arranged in the vacuum box, a detected product reaches a specified pressure value to drive the air cylinder to slide, the optical coupler switches signals to change, the circuit board assembly collects the optical coupler signals to change, and the change time of the optical coupler signals is displayed.
The external air source consists of a fine adjustment hand pump and a vacuum pump. The vacuum pump vacuumizes the vacuum box, and the fine-adjustment hand pump is connected with a tested product and manually adjusts a knob to apply pressure to the tested product.
The test method of the invention comprises the following steps:
when the comprehensive tester is connected with an AC220V power supply, a three-hole socket with a protective grounding is used as a power socket, and the power socket is electrified and preheated for 30 minutes.
And (3) inserting the quick connector connected with the low-pressure air source air pipe into a ventilation interface of the comprehensive test bed (the air source pressure is between 0.45 and 0.6 MPa).
The comprehensive test bed is connected with the comprehensive tester circuit board assembly through a cable, and a tested product is installed on the pneumatic control clamp of the comprehensive test bed.
And the vacuum pump is connected with a vacuumizing interface on the test bed by a vacuum rubber tube.
After the connection is completed, the function is indicated to the position of 'height I' and the window of 'height' displays 'H' (height) by pressing the measurement selection key on the front panel of the comprehensive tester. And adjusting the height test point of the tested product, placing the tested product into a vacuum box for fixing, and connecting and fixing the pull-out joint of the air cylinder and the steel lock of the tested product.
The upper lock plate moves backwards under the drive of the upper lock shaft by pressing the 'locking button', the tested product can be locked smoothly, and the cylinder can extend back by about 20mm by loosening the 'locking button'. And opening a power switch of the vacuum pump to pump air, pumping the gas in the vacuum box, and gradually increasing the height indication. And when the height rises to 1000-1100 meters above the measured point, stopping air suction. The pull-out joint knob is turned to the pull-out joint position, and the pull-out joint is pulled out to be separated from the tested product at the moment, so that the tested product is in an unlocking working state. And then slowly turning the air inlet knob in a left-handed mode, adjusting the descending speed to enable the air inlet knob to meet the specified ascending and descending speed value (20-30) m/s of the tested product, unlocking the tested product when the height of the air inlet knob is reduced to be close to the working point, pulling back the steel cable, transmitting an unlocking signal to the comprehensive tester circuit board assembly through the optical coupler, wherein the height value on the display screen is the actual unlocking height of the working point of the tested product.
If the next working point measurement is carried out, after the product to be measured is locked, the height reset key is pressed down, and the memorized height value is cleared.
The working mode is as follows:
height error test
The tested product is installed in the vacuum box body through the pneumatic control clamp, the vacuum box body is vacuumized through the vacuum pump, the pressure sensor collects pressure signals in the vacuum box body, and corresponding height values are displayed after conversion and operation of the circuit board assembly. After the height value in the vacuum box exceeds a certain height value of the working point of the product to be tested, the air exhaust valve is closed, the air exhaust valve is opened, the height value in the vacuum box slowly drops, when the height value drops to the height working point of the product to be tested, the product is unlocked, the optical coupler in the vacuum box collects a product unlocking signal and sends the product unlocking signal to the circuit board assembly in the comprehensive tester, the circuit board assembly memorizes the height value at the moment, and the height value is the actual unlocking height value of the product to be tested.
Time error test
The time of unblanking of surveyed product is the time of unblanking under certain airspeed, need add certain airspeed to the product when measuring the time error. During testing, the fine-tuning hand pump is used for applying dynamic pressure to the dynamic pressure port of a tested product, the pressure sensor generates corresponding pressure signals, and the corresponding airspeed value is displayed after conversion operation of the circuit board assembly. The tested product is installed in the vacuum box, the optical coupler is installed in the vacuum box, the tested product respectively sends out a timing starting signal and a timing stopping signal to a circuit board assembly in the comprehensive tester when being pulled off and unlocked, a timing system is arranged in the circuit board assembly, when the tested product is pulled off by the pulling-off connector, the tested product starts timing, the timing is stopped when the tested product is unlocked, and the time displayed by a display window of the circuit board assembly is the actual unlocking time of the tested product.
Claims (8)
1. The utility model provides a program controller integrated test device which characterized by: the comprehensive tester consists of a comprehensive tester, a comprehensive test bed and an external air source, wherein the comprehensive tester comprises a pressure sensor, a power supply module and a circuit board assembly; the output port of the pressure sensor is connected with the sampling port of the circuit board assembly, and the power supply module is respectively connected to the circuit board assembly and the power supply input port of the pressure sensor through leads; the comprehensive test bed mainly comprises a vacuum box, a power supply, a cylinder and an optical coupler; the power output end is connected with a tested product, the pull-out joint of the cylinder is connected with a steel lock of the tested product, the cylinder and the optical coupler are arranged on a bottom plate in the vacuum box, and the circuit board assembly is connected with the optical coupler through a cable; the external air source is connected with the air vent of the vacuum box through a conduit.
2. The detection device according to claim 1, wherein: the circuit board assembly comprises a sampling module, a singlechip data processing module and an LED data display module; the sampling module transmits the acquired pressure data to the single chip data processing module, and the single chip data processing module converts the data and displays the data on the LED data display module.
3. The detection device according to claim 1, wherein: the steel rope blocks the optical coupler to receive the optical signal, and the steel rope pulls the optical coupler to receive the optical signal and transmits the optical signal to the circuit board assembly.
4. The detection device according to claim 1, wherein: the bottom of the vacuum box is provided with a pneumatic control clamp, a tested product is arranged on a positioning block of the pneumatic control clamp, a locking button is pressed, the tested product is locked, and an internal cylinder and a product to be laterally locked are tensioned by a steel lock. When the tested product reaches the designated pressure point, the steel cable is unlocked.
5. The detection device according to claim 1, wherein: the vacuum box adjusts the pressure of the vacuum box through an external air source, the pressure sensor is connected with the air vent of the vacuum box, the pressure value is transmitted to the circuit board assembly, and the circuit board assembly displays the pressure value.
6. The detection device according to claim 1, wherein: the vacuum box is internally provided with an optical coupler, a detected product reaches a specified pressure value to drive the air cylinder to slide, the switching signal of the optical coupler changes, the circuit board assembly collects the signal change of the optical coupler, and the change time is displayed.
7. The detection device according to claim 1, wherein: the external air source consists of a fine-tuning hand pump and a vacuum pump. The vacuum pump vacuumizes the vacuum box, and the fine-adjustment hand pump is connected with a tested product and manually adjusts a knob to apply pressure to the tested product.
8. The testing method of the integrated testing device of the program controller according to any one of claims 1 to 7, characterized in that a quick connector connected with a low-pressure air source air pipe is inserted into an air vent interface of the integrated test bed; the comprehensive test bed is connected with the comprehensive tester circuit board assembly through a cable, and a tested product is installed on a pneumatic control clamp of the comprehensive test bed; connecting a vacuum pump with a vacuumizing interface on the test bed by using a vacuum rubber tube; after connection is finished, pressing a measurement selection key on a front panel of the comprehensive tester, indicating the position of the height I by a function, displaying the height H by a height window, adjusting the height test point of a tested product, putting the tested product into a vacuum box for fixing, and connecting and fixing a pull-out joint of an air cylinder with a steel lock of the tested product; the upper lock plate moves backwards under the driving of the upper lock shaft by pressing a 'locking button', a tested product can be locked smoothly, the 'locking button' is loosened, the cylinder extends back by about 20mm, a power switch of a vacuum pump is turned on to pump air, the gas in the vacuum box is pumped out, and the height indication is gradually increased; stopping air extraction when the height rises to 1000-1100 meters above the measured point; the 'pull-out joint knob' is rotated to the 'pull-out joint' position, the pull-out joint is pulled away to be separated from a tested product at the moment, the tested product is in an unlocking working state, then the 'air inlet knob' is slowly rotated leftwards, the descending speed is adjusted to be in line with the specified ascending and descending speed value (20-30) m/s of the tested product, when the height is reduced to be close to a working point, the tested product is unlocked, the steel cable is pulled back, the unlocking signal is transmitted to the comprehensive tester circuit board assembly through the optical coupler, and the height value on the display screen is the actual unlocking height of the working point of the tested product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246542.6A CN111123886A (en) | 2019-12-06 | 2019-12-06 | Comprehensive testing device and testing method for program controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911246542.6A CN111123886A (en) | 2019-12-06 | 2019-12-06 | Comprehensive testing device and testing method for program controller |
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| CN111123886A true CN111123886A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911246542.6A Pending CN111123886A (en) | 2019-12-06 | 2019-12-06 | Comprehensive testing device and testing method for program controller |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202372204U (en) * | 2011-11-18 | 2012-08-08 | 武汉航空仪表有限责任公司 | Testing device for parachute opener |
| CN205620257U (en) * | 2016-05-06 | 2016-10-05 | 武汉航空仪表有限责任公司 | Wear -resisting test device of parachute opening device |
| CN106314804A (en) * | 2016-08-31 | 2017-01-11 | 航宇救生装备有限公司 | Method for precisely controlling time delay of parachute opening device based on different temperatures |
-
2019
- 2019-12-06 CN CN201911246542.6A patent/CN111123886A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202372204U (en) * | 2011-11-18 | 2012-08-08 | 武汉航空仪表有限责任公司 | Testing device for parachute opener |
| CN205620257U (en) * | 2016-05-06 | 2016-10-05 | 武汉航空仪表有限责任公司 | Wear -resisting test device of parachute opening device |
| CN106314804A (en) * | 2016-08-31 | 2017-01-11 | 航宇救生装备有限公司 | Method for precisely controlling time delay of parachute opening device based on different temperatures |
Non-Patent Citations (1)
| Title |
|---|
| 聂文昕 等: "基于单片机的开伞器综合测试仪的研究", 《科技广场》 * |
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Application publication date: 20200508 |
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