CN210090573U - In-place switch installation and debugging device - Google Patents
In-place switch installation and debugging device Download PDFInfo
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- CN210090573U CN210090573U CN201920338985.7U CN201920338985U CN210090573U CN 210090573 U CN210090573 U CN 210090573U CN 201920338985 U CN201920338985 U CN 201920338985U CN 210090573 U CN210090573 U CN 210090573U
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Abstract
The utility model discloses a switch installation and debugging device targets in place belongs to aircraft technical field. The in-place switch installation and debugging device comprises a box body and a test cable; one side of the box body is provided with an operation panel; a power switch, a power module, an LED indicator lamp, a button switch, a pull-up resistor, a test resistor and a voltmeter are arranged in the box body; the power switch is sequentially connected with the LED indicator lamp, the button switch, the pull-up resistor and the test resistor in series through the power module; testing a resistor parallel voltmeter; the adjacent surface of the operation panel is provided with a power interface and a test cable interface; the power interface is connected with the power module; the test cable interface is connected with the in-place switch through a test cable; the in-place switch is connected with a test resistor in parallel; the power switch, the LED indicator light and the button switch are all embedded on the operation panel.
Description
Technical Field
The utility model relates to a switch installation and debugging device targets in place belongs to aircraft technical field.
Background
The in-place switch mainly has the function of providing status signals of wheel loads, doors and landing gear systems for the airplane so as to identify the air or ground, open or closed state of the airplane. If the in-place switch is installed inaccurately or the contact of the internal contact is poor, the judgment of the signals by the airplane is influenced, particularly if the installation position is unreliable, the signals cannot be identified by the working personnel on the ground, but the in-place switch is separated from a critical point due to the influence of environmental factors such as vibration when the airplane is in the air, the switch signals fail, and hidden danger is brought to the flight safety.
The national intellectual property office discloses a utility model patent with application number CN201720602135.4, named as a cable detection device, in 2018, 03, 27, and discloses a cable detection device. The cable includes first sinle silk and second sinle silk, and wherein, the predetermined position at predetermined equipment is used to the second sinle silk, and cable detection device includes: the detection interface is matched with a port of the cable and comprises a first pin and a second pin, the first pin is used for connecting the first wire core into the detection output circuit, and the second pin is used for connecting the second wire core into the detection output circuit; and the detection output circuit is connected with the detection interface and is used for forming a corresponding loop with each wire core in the cable through the detection interface respectively so as to detect the on-off of the wire core in the cable and output a detection result, wherein the detection output circuit comprises a switch, and the switch is connected in series in the loop corresponding to the first pin. The cable detection device of the present disclosure can reduce the loss of the cable detection device by simply turning off the switch when detecting a cable used at a predetermined position in a predetermined device.
In the prior art, whether a lead in a detected cable is broken or not is judged according to the state of an LED lamp, and whether the switch in-place state is reliably installed or not cannot be judged. Particularly, if the installation position is just at the critical point, the worker cannot identify the installation position on the ground, but the in-place switch can be separated from the critical point due to the influence of environmental factors such as vibration on the airplane in the air, the switch signal fails, and hidden danger is brought to flight safety.
The existing installation method needs workers to repeatedly adjust the installation position by experience, and is long in installation time, low in efficiency and unstable in installation quality.
Disclosure of Invention
The utility model discloses in aiming at solving current switch installation that targets in place, need artifical manual regulation, inefficiency, the unstable problem of installation quality especially avoids the critical point of mounted position, has proposed switch installation and debugging device that targets in place. The device provides an auxiliary debugging tool for the installation on the in-place switch machine, realizes the reliable installation of the in-place switch, and ensures the stability of the in-place switch machine in work.
In order to realize the purpose of the utility model, the technical scheme of the utility model is as follows:
the in-place switch installation and debugging device comprises a box body and a test cable; one side of the box body is provided with an operation panel; a power switch, a power module, an LED indicator lamp, a toggle switch, a pull-up resistor, a test resistor and a voltmeter are arranged in the box body; the power switch is sequentially connected with the LED indicator lamp, the button switch, the pull-up resistor and the test resistor in series through the power module; the test resistor is connected with a voltmeter in parallel; the adjacent surface of the operation panel is provided with a power interface and a test cable interface; the power interface is connected with the power module; the test cable interface is connected with the in-place switch through a test cable; the in-place switch is connected with the test resistor in parallel; the power switch, the LED indicator light and the button switch are all embedded on the operation panel.
The principle of the utility model is that: the utility model discloses in, the voltmeter records the voltage that is pull-up resistance. Firstly, only the LED indicator lamp is connected for voltage division, and then the LED indicator lamp is connected with the switch in place for voltage division. Therefore, when the in-place switch is installed in place, the voltage displayed by the voltmeter is the same as that when the button switch is pressed; the in-place switch is connected with the uplink resistor in parallel, and the voltages are equal; when the in-place switch is not installed in place, the voltage displayed by the voltmeter is larger than that when the button switch is pressed.
The power interface, the power switch, the LED indicator light, the pull-up resistor and the test resistor form an internal circuit of the debugging device, and a power module is connected inside the debugging device to provide a 12V power supply for the test circuit.
The utility model discloses a plurality of plugs are divided from one end of the test cable, and are respectively connected with a plurality of in-place switches; each in-place switch test circuit is correspondingly provided with a toggle switch.
The button switch is communicated with the in-place switch to install and debug the internal circuit of the device.
The utility model discloses a carry out specific connection with the part among the prior art, realize the switch installation and debugging that targets in place. All the components are existing components and do not relate to software and circuit internal improvement.
The utility model discloses the beneficial effect who brings:
according to the method and the device, different in-place switches are tested by switching the toggle switches, the installation positions of the in-place switches are adjusted by observing the display of the LED indicator lamps on the operation panel and the voltage on the voltmeter, the installation of the in-place switches at the critical point positions is avoided, and the installation reliability of the in-place switches is improved.
The debugging device solves the problem that the switch in place needs to be repeatedly and manually adjusted by a worker according to experience in the installation process of the switch in place, and the accurate installation of the switch in place can be realized by observing the display of the LED indicator lamp and the voltage on the voltmeter. By using the debugging device, the workload of an installer is reduced, the installation of the in-place switch at a critical point position is avoided, and the installation reliability and efficiency of the in-place switch are improved.
In the application, the LED indicator lamp is used for line self-checking and switch-on indication, meanwhile, a pull-up resistor of 10K omega is used in an internal circuit of the debugging device, and whether the in-place switch is reliably installed or not is further judged through reading of a voltmeter; if the LED indicating lamp is installed at the critical point position or the contact of the internal contact of the in-place switch is poor, the LED indicating lamp is lightened, but the display value of the voltmeter jumps between +1V to + 5V. The installation position of the in-place switch is manually and finely adjusted until the voltage indication of the voltmeter is in the range of-1V- +1V, so that the reliable installation of the in-place switch is realized.
Drawings
Fig. 1 is a schematic exterior view of the present invention.
Fig. 2 is a schematic diagram of the test of the present invention.
Fig. 3 is yet another test schematic of the present invention.
Fig. 4 is a schematic diagram of the arrangement of the toggle switches.
The device comprises a power module 1, a power switch 2, a power switch 3, an LED indicator lamp 4, a toggle switch 5, a pull-up resistor 6, a test resistor 7, a voltmeter 8, an in-place switch 9, a power interface 10, a test cable interface 11, an operation panel 12, a test cable 13, a plug 14 and a box body.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1
The in-place switch installation and debugging device comprises a box body 14 and a test cable 12; one surface of the box body 14 is provided with an operation panel 11; a power switch 2, a power module 1, an LED indicator lamp 3, a toggle switch 4, a pull-up resistor 5, a test resistor 6 and a voltmeter 7 are arranged in the box body 14; the power switch 2 is sequentially connected in series with an LED indicator lamp 3, a toggle switch 4, a pull-up resistor 5 and a test resistor 6 through a power module 1; the test resistor 6 is connected with a voltmeter 7 in parallel; the adjacent surface of the operation panel 11 is provided with a power interface 9 and a test cable interface 10; the power interface 9 is connected with the power module 1; the test cable interface 10 is connected with the in-place switch 8 through a test cable 12; the in-place switch 8 is connected with the test resistor 6 in parallel; the power switch 2, the LED indicator lamp 3 and the button switch 4 are all embedded on the operation panel 11.
The utility model discloses a test panel sets to a box 14, connects the back through above-mentioned mode with switch 2, voltmeter 7, LED pilot lamp 3, button switch 4 etc. and switch 2, voltmeter 7, LED pilot lamp 3 and button switch 4 inlay at operating panel 11, are convenient for observe and operate.
The utility model discloses a pull-up resistance 5 and test resistance 6 are 10K omega.
The power interface 9, the power switch 2, the pull-up resistor 5, the test resistor 6, the LED indicator lamp 3 and the button switch 4 form an internal circuit of the debugging device, and the internal circuit of the debugging device is also connected with a pull-up voltage.
One end of the testing cable 12 of the utility model is divided into a plurality of plugs 13 which are respectively connected with the in-place switches 8; each plug 13 is correspondingly provided with a toggle switch 4.
When the in-place switch 8 is installed in place, namely the line of the in-place switch 8 in fig. 2 is completely closed, after the toggle switch 4 is switched on, the voltmeter 7 tests the voltage at two ends of the in-place switch 8, the theoretical value of the test voltage is 0V, and the voltage range displayed by the voltmeter 7 is-1V- + 1V.
When the in-place switch 8 is not installed in place, namely the line of the in-place switch 8 in fig. 2 is not closed, after the toggle switch 4 is switched on, the pull-up voltage of 12V is divided by the pull-up resistor 5 and the test resistor 6, because the two resistance values are both 10K omega, the theoretical value of the test voltage is 6V, the LED diode is considered to have 1V voltage drop, and the voltage range displayed by the voltmeter 7 is + 5V- + 7V.
When the in-place switch 8 is installed at a critical point or a contact surface inside the switch has redundancy, namely, the line of the in-place switch 8 in fig. 2 is not completely reliably contacted, but the generated contact resistance is much smaller than the resistance value of the test resistor 6, 10K omega, after the toggle switch 4 is switched on, the internal resistor of the in-place switch 8 and the pull-up resistor 5 divide the voltage of 12V, and the theoretical value of the test voltage is + 1V- + 5V. During the installation process of the in-place switch 8, when the value displayed by the voltmeter 7 jumps between +1V to +5V, the installation of the in-place switch 8 is considered to be unreliable.
The LED indicator lamp 3 is used for self-checking of the circuit and on-off indication of the button switch 4. As shown in fig. 3, when the line self-test of the equipment is required, the power switch 2 and the corresponding button switch 4 are turned on, and the corresponding LED indicator lamp 3 is on, i.e. the line self-test is qualified. When the equipment needs to be connected to check the in-place switch 8, the corresponding LED indicator lamp 3 is on after the button switch 4 is turned on, and the button switch 4 is prompted to be turned on.
The test cable 12 is connected with different in-place switches 8 through 8 plugs 13, the toggle switches 4 on the operation panel 11 are respectively in one-to-one correspondence with the 8 plugs 13 through the test cable 12, character marks are carried out below the toggle switches 4, and A-H are 8 toggle switches 4 used for realizing independent power supply control, as shown in FIG. 4.
The exterior of the test cable 12 is wrapped in a bundle by a nylon mesh.
Example 2
The in-place switch installation and debugging device comprises a test cable 12 and an operation panel 11; one end of the test cable 12 is connected with the test cable interface 10 of the debugging device, and the other end is respectively connected with the in-place switch 8.
The operation panel 11 comprises a voltmeter 7, a power switch 2, an LED indicator lamp 3 and a button switch 4; the installation and debugging device is respectively connected with each in-place switch 8 of the airplane through a test cable interface 10, and a power supply interface 9 is connected with a 220V power supply to provide a working power supply for the device.
The power switch 2 on the operation panel 11 is switched on, the button switches 4 are sequentially switched on to carry out self-inspection on the debugging device, and the LED indicating lamps 3 are all lightened to indicate that the line self-inspection of the debugging device is qualified.
When a certain in-place switch 8 on the airplane needs to be installed and debugged, the test cable 12 is connected with the corresponding in-place switch 8, and the corresponding button switch 4 on the operation panel 11 is switched on.
When the device is not installed in place, the LED indicator lamp 3 on the toggle switch 4 is on, and the voltage range displayed by the voltmeter 7 is + 5V- + 7V.
When the switch 8 is installed in place, the LED indicator lamp 3 on the button switch 4 is lighted, and meanwhile, the voltage of the voltmeter 7 on the operation panel 11 is observed to be-1V- +1V, which indicates that the switch 8 is installed in place and is qualified.
If the LED indicator light 3 is on and the voltage indication jumps between +1V to +5V, the installation position of the in-place switch 8 needs to be manually fine-adjusted until the voltage indication is in a qualified range of-1V to +1V, so that the contact of the internal contact of the in-place switch 8 is reliable and stable.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (3)
1. Switch installation debugging device targets in place, its characterized in that: comprises a box body (14) and a test cable (12); one surface of the box body (14) is provided with an operation panel (11); a power switch (2), a power module (1), an LED indicator lamp (3), a button switch (4), a pull-up resistor (5), a test resistor (6) and a voltmeter (7) are arranged in the box body (14); the power switch (2) is sequentially connected with an LED indicator lamp (3), a button switch (4), a pull-up resistor (5) and a test resistor (6) in series through a power module (1); the test resistor (6) is connected with a voltmeter (7) in parallel; a power interface (9) and a test cable interface (10) are arranged on the adjacent surface of the operation panel (11); the power interface (9) is connected with the power module (1); the test cable interface (10) is connected to the in-place switch (8) through a test cable (12); the in-place switch (8) is connected with the test resistor (6) in parallel; the power switch (2), the LED indicator lamp (3) and the button switch (4) are all embedded on the operation panel (11).
2. The in-place switch installation and commissioning apparatus of claim 1, wherein: one end of the test cable (12) is provided with a plurality of plugs (13) which are respectively connected with the in-place switches (8); each plug (13) is correspondingly provided with a button switch (4).
3. The in-place switch installation and commissioning apparatus of claim 1, wherein: the button switch (4) is a switch communicated with an in-place switch to install and debug the internal circuit of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338985.7U CN210090573U (en) | 2019-03-18 | 2019-03-18 | In-place switch installation and debugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338985.7U CN210090573U (en) | 2019-03-18 | 2019-03-18 | In-place switch installation and debugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210090573U true CN210090573U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920338985.7U Active CN210090573U (en) | 2019-03-18 | 2019-03-18 | In-place switch installation and debugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210090573U (en) |
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2019
- 2019-03-18 CN CN201920338985.7U patent/CN210090573U/en active Active
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