CN217132229U - Automatic test system of icing sensor - Google Patents
Automatic test system of icing sensor Download PDFInfo
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- CN217132229U CN217132229U CN202123028090.XU CN202123028090U CN217132229U CN 217132229 U CN217132229 U CN 217132229U CN 202123028090 U CN202123028090 U CN 202123028090U CN 217132229 U CN217132229 U CN 217132229U
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- temperature box
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- 238000012360 testing method Methods 0.000 title claims abstract description 67
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- 238000001514 detection method Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of detection test devices, and discloses an automatic test system of an icing sensor, which comprises an adapter, a high-low temperature box, a switch system, a PXI case and a test instrument; the high-low temperature box is internally provided with more than ten positions of detected icing sensors of the same type and different types, and the adapter is connected with the detected icing sensors in the high-low temperature box from the outside of the high-low temperature box through cable bundles; the adapter is connected with the switch system, the PXI case and the test instrument through the cable harness. The utility model has clear mechanism and function layout, centralized control and can realize batch test processing of the same type of icing sensors to be tested; in order to accurately measure the internal resistance of a tested product, a lead led out from the socket end of the tested product is divided into two parts, so that four-wire resistance measurement is realized; the utility model discloses the connected mode is reliable reasonable, and the wiring mode is clear, and it is convenient to overhaul.
Description
Technical Field
The utility model belongs to the technical field of the detection test device, a certain series of test system who freezes the sensor is related to, concretely relates to automatic test system of freezing sensor.
Background
When an airplane flies under meteorological conditions such as cloud, fog and rain, ice layers are gathered on wings, an airplane body, an engine air inlet, a propeller and the like of the airplane due to freezing or condensation of water drops, and the flight safety is seriously influenced. The series of icing sensors are used as key sensors matched with a multi-machine type ice preventing and removing system, can detect the thickness of an ice layer and send a flight control system.
The series of sensors have the advantages of various varieties, large yield and complex inspection projects. At present, all project tests and data records are manually finished, and part of projects need to be tested repeatedly under different temperature conditions, so that time and labor are wasted, the workload of operators is increased, and the quality and guarantee delivery is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Utility model purpose:
in order to solve the problem, the utility model provides an automatic test system of icing sensor can realize the automatic test in batches of the different types of being surveyed the product of the same kind through the mode of changing the cable.
The utility model discloses technical solution:
an automatic test system of an icing sensor comprises an adapter, a high-low temperature box, a switch system, a PXI case and a test instrument; the high-low temperature box is internally provided with more than ten tested icing sensors of different types, and the adapter is connected with the tested icing sensors in the high-low temperature box from the outside of the high-low temperature box through cable bundles; the adapter is connected with the switch system, the PXI case and the test instrument through the cable harness.
Furthermore, the adapter is internally provided with an alternating current amplifying circuit which corresponds to the high-low temperature box and can place the maximum number of the detected icing sensors, and the adapter is internally provided with a power supply.
Furthermore, the lead led out from the socket end of the tested product is connected with the adapter by dividing the lead into two parts.
Further, the front panel of the adapter has a maximum number of sockets corresponding to the ice sensors being tested, and the rear panel of the adapter has a switch system, a PXI chassis, and other sockets of the test instrument.
Further, the switching system includes a relay card and a multiplexer card disposed between the adapter and the test instrument for selecting and connecting cables connected to the icing sensor, the relay card being a means for switching channels.
Furthermore, a control system is arranged in the PXI case, and the switch system is loaded in the PXI case.
Furthermore, the test instrument comprises a signal generator, an ammeter, a voltmeter, a resistance test device and a frequency acquisition module corresponding to the maximum number of the icing sensors to be tested, and all the test instruments are connected with the icing sensors.
The utility model has the advantages that:
1. the utility model has clear mechanism and function layout, centralized control and can realize batch test processing of the same type of icing sensors to be tested;
2. in order to accurately measure the internal resistance of a tested product, a lead 1 led out from the socket end of the tested product is divided into 2 so as to realize four-wire resistance measurement;
3. the utility model discloses the connected mode is reliable reasonable, and the wiring mode is clear, and it is convenient to overhaul.
Drawings
FIG. 1 is a schematic view of the overall test system of the present invention;
FIG. 2 is a schematic diagram of the connection principle of the testing system of the present invention
The system comprises an adapter 1, a high-low temperature cabinet 2, a switching system 3, a PXI cabinet 4 and a test instrument 5.
Detailed Description
This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention.
An automatic test system of an icing sensor comprises an adapter 1, a high-low temperature box 2, a switch system 3, a PXI case 4 and a test instrument 5; the high-low temperature box 2 is internally provided with more than ten positions of detected icing sensors of different types, and the adapter 1 is connected with the detected icing sensors in the high-low temperature box 2 from the outside of the high-low temperature box 2 through a cable bundle; the adapter 1 is in turn connected to the switching system 3, the PXI chassis 4 and the test instrument 5 by means of a cable harness.
The adapter 1 is internally provided with an alternating current amplifying circuit which corresponds to the high-low temperature box 2 and can be used for placing the maximum number of the detected icing sensors, and the adapter is internally provided with a power supply.
The lead 1 led out from the socket end of the tested product is divided into 2 ground connection adapters.
The front panel of adapter 1 has the sockets corresponding to the maximum number of ice sensors to be tested, and the rear panel of adapter 1 has the other sockets of switching system 3, PXI chassis 4 and test equipment 5.
The switching system 3 comprises a relay card, which is a device for switching the channels, and a multiplexer card, which is arranged between the adapter 2 and the test instrument 5 for selecting and connecting the cables connected to the icing sensor.
A control system is arranged in the PXI case 4, and the switch system 3 is loaded in the PXI case 4.
The testing instrument 5 comprises a signal generator, an ammeter, a voltmeter, a resistance testing device and a frequency acquisition module corresponding to the maximum number of the icing sensors to be tested, and all the testing instruments are connected with the icing sensors.
Another practical embodiment of the present invention will be described below in conjunction with the accompanying drawings, and the principles of the present invention will be described.
The utility model aims at designing one set of automatic test system, realizing the automatic test in batches of the product of being surveyed of different types of the same kind through the mode of changing the cable, the controller in the system of being convenient for realizes the test and the automatic recording test result of 16 projects through the mode of software control hardware.
The test system controls the switch system 3, the test instrument 5, the high-low temperature box 2 and the adapter 2 through the control system, and realizes batch automatic test of similar different types of tested products in a cable replacement mode.
As shown in fig. 1, the adapter is connected with the products in the high-low temperature box through cables, because there are 16 products, 16 ac amplification circuits corresponding to the 16 products are arranged in the adapter, the front panel is provided with sockets corresponding to the 16 products, the rear panel of the adapter is provided with a connecting instrument and other sockets for a switch card, a power supply is also arranged in the adapter, and the adapter is used as a central hub of the test platform, and plays a role in integrating the tested product, the switch system and the test instrument and supplying power.
The high-low temperature box is a place where the icing sensor product is placed, can simulate high and low temperatures in the high-low temperature box, and is provided with a cable port at the rear side.
The switching system includes a relay card and a multiplexer card for selecting and connecting cables connected to the products, the relay card being a device for switching channels.
PXI case and control system: the case is used for loading a switch system and a control system; the control system comprises: the system is mainly a computer, has the functions of editing test software and running the test software, and is connected with and controls the high-low temperature box, the switching system and the test instrument.
Testing an instrument: the device comprises a signal generator, an ammeter, a voltmeter, a resistance testing device and a 16-path frequency acquisition module, wherein all testing instruments are connected with and detect products, and test data are sent to a control system.
The product being tested is an ice sensor.
The testing system has clear mechanism and functional layout, and the switch system is inserted into the PXI case in the form of a board card to play a role in switching; the test instrument is arranged in the cabinet below the test table and provides signals such as excitation and acquisition voltage and frequency for a tested product. The adapter is arranged on the desktop, and the interface of the tested product is introduced into the switch system and the test instrument.
In order to accurately measure the internal resistance of a tested product, a lead 1 led out from the socket end of the tested product is divided into 2, so that four-wire resistance measurement is realized.
The pins 1, 2, 3 and 4 of the tested meter are connected with an alternating current amplifying circuit or a multiplexer, and switching from the product end interface 1 to the interface 16 is switched to a COM end through one multiplexer, so that time-sharing testing is completed. Switching CH 0-CH 63 into COM0 is realized through another multiplexer, and four-wire resistance measurement of the measured table is completed. Pins 1 and 2 of the measured meter are connected with a signal generator and a digital multimeter. And the communication control with a test instrument and a high-low temperature box is realized through a control system.
The above embodiments are only for illustrating the technical conception and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, so as not to limit the protection scope of the present invention, and all the equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (7)
1. An automatic test system of an icing sensor is characterized by comprising an adapter (1), a high-low temperature box (2), a switch system (3), a PXI case (4) and a test instrument (5); the high-low temperature box (2) is internally provided with more than ten positions of detected icing sensors of the same type and different types, and the adapter (1) is connected with the detected icing sensors in the high-low temperature box (2) from the outside of the high-low temperature box (2) through a cable bundle; the adapter (1) is connected with the switch system (3), the PXI case (4) and the test instrument (5) through a cable harness.
2. The automatic test system for the icing sensor according to claim 1, characterized in that an AC amplification circuit corresponding to the high-low temperature box (2) and capable of placing the maximum number of the icing sensors to be tested is arranged in the adapter (1), and a power supply is further arranged in the adapter.
3. The automated ice sensor testing system of claim 1, wherein the lead from the socket end of the product being tested is split into two portions for connection to the adapter.
4. An ice sensor automated testing system according to claim 1, characterized in that the front panel of the adapter (1) has the sockets corresponding to the maximum number of ice sensors to be tested, and the rear panel of the adapter (1) has the other sockets of the switching system (3), PXI chassis (4) and test equipment (5).
5. An ice sensor automated testing system according to claim 1, characterized in that the switching system (3) comprises a relay card and a multiplexer card, the multiplexer card being provided between the adapter (1) and the test instrument (5) for selecting and connecting cables connected to the ice sensors, the relay card being the means for switching the channels.
6. The icing sensor automatic testing system according to claim 1, characterized in that a control system is arranged in the PXI cabinet (4), and the switch system (3) is loaded in the PXI cabinet (4).
7. The icing sensor automatic testing system according to claim 1, characterized in that the testing instruments (5) comprise a signal generator, an ammeter, a voltmeter, a resistance testing device, and a frequency acquisition module corresponding to the maximum number of icing sensors to be tested, all the testing instruments being connected to the icing sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028090.XU CN217132229U (en) | 2021-12-03 | 2021-12-03 | Automatic test system of icing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028090.XU CN217132229U (en) | 2021-12-03 | 2021-12-03 | Automatic test system of icing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217132229U true CN217132229U (en) | 2022-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123028090.XU Active CN217132229U (en) | 2021-12-03 | 2021-12-03 | Automatic test system of icing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217132229U (en) |
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2021
- 2021-12-03 CN CN202123028090.XU patent/CN217132229U/en active Active
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