CN215813110U - TCV fault test equipment - Google Patents
TCV fault test equipment Download PDFInfo
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- CN215813110U CN215813110U CN202122063030.5U CN202122063030U CN215813110U CN 215813110 U CN215813110 U CN 215813110U CN 202122063030 U CN202122063030 U CN 202122063030U CN 215813110 U CN215813110 U CN 215813110U
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Abstract
The utility model provides a TCV fault test device, comprising: the TCV fault testing equipment is provided with a power supply interface and a data acquisition interface; the TCV fault test device includes: the device comprises an embedded all-in-one machine, a switch board card, a TCV resistance signal sampling terminal, a TCV current signal sampling terminal, a TCV voltage signal sampling terminal, a TCV fast-acting sampling terminal, a multimeter board card, an oscilloscope board card, a switching power supply and a power acquisition board card. According to the TCV fault testing device and the TCV fault testing method, the TCV fault testing equipment is connected with the TCV through the power cable and the data acquisition cable, so that the TCV can be simply and rapidly tested without disassembling the TCV, and the TCV fault testing device and the TCV fault testing method have the advantage of high TCV performance testing efficiency.
Description
Technical Field
The utility model relates to a test device, in particular to a TCV fault test device.
Background
A large number of TCVs (temperature control valves) need to be installed on the aircraft, and before takeoff, all the TCVs need to be checked to determine whether the TCVs are suitable for a continuous flight task.
In the prior art, the main ways to check the TCV performance are: manually disassembling the TCV, and testing the performance of the TCV by adopting a special instrument; if the TCV is not faulty, the TCV is reinstalled in the corresponding on-board location.
The above TCV performance inspection method has the following problems: the TCV disassembly and assembly process is complex, more time is required, and the TCV performance inspection efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides TCV fault testing equipment which can effectively solve the problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a TCV fault test device, comprising: the TCV fault testing equipment is provided with a power supply interface and a data acquisition interface;
the power supply interface of the TCV fault test equipment is connected to the power supply interface of the tested TCV through a power cable; the data acquisition interface of the TCV fault test equipment is connected to the data interface of the tested TCV through a data acquisition cable;
the TCV fault test device includes: the system comprises an embedded all-in-one machine, a switch board card, a TCV resistance signal sampling terminal, a TCV current signal sampling terminal, a TCV voltage signal sampling terminal, a TCV fast-acting sampling terminal, a universal meter board card, an oscilloscope board card, a switching power supply and a power acquisition board card;
the output end of the embedded all-in-one machine is connected with the control end of the switch board card;
the switch board card is a switch board port of 1 from 4, and 4 input channels of the switch board card are respectively connected with the TCV resistance signal sampling terminal, the TCV current signal sampling terminal, the TCV voltage signal sampling terminal and the TCV quick-acting sampling terminal; the output channel of the switch board card is respectively connected with the input end of the multimeter board card and the input end of the oscilloscope board card; the output end of the universal meter board card and the output end of the oscilloscope board card are both connected to the input end of the embedded all-in-one machine;
the power supply interface of the TCV fault test equipment is connected to the input end of the switching power supply; the first output end of the switching power supply is connected to a power supply interface of the embedded all-in-one machine; and the second output end of the switching power supply is connected to the acquisition end of the embedded all-in-one machine through the power acquisition board card.
Preferably, the switching power supply is a 115VAC to 12VDC power supply module.
Preferably, the power acquisition board card is connected with the embedded all-in-one machine through an RS485 line; the universal meter board card is connected with the embedded all-in-one machine through a USB wire; the oscilloscope board card is connected with the embedded all-in-one machine through a USB wire; the switch board card is connected with the embedded all-in-one machine through a USB wire.
Preferably, the TCV fault testing apparatus further comprises a fan; the switching power supply is connected with the power supply end of the fan.
The TCV fault testing equipment provided by the utility model has the following advantages:
according to the TCV fault testing device and the TCV fault testing method, the TCV fault testing equipment is connected with the TCV through the power cable and the data acquisition cable, so that the TCV can be simply and rapidly tested without disassembling the TCV, and the TCV fault testing device and the TCV fault testing method have the advantage of high TCV performance testing efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a TCV fault testing device according to the present invention;
FIG. 2 is a schematic structural diagram of a TCV fault testing apparatus provided in the present invention;
FIG. 3 is an internal structural view of the temperature control valve;
fig. 4 is a schematic diagram of a connector circuit.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
When the temperature control valve works normally, the connector supplies power and receives instructions. When the cockpit inputs an opening instruction, the pins 1 and 3 of the connector are connected into 115 +/-3 VAC/400Hz for motor driving, and after the motor is decelerated by the reduction gear, the main worm wheel shaft drives the driven shaft to rotate through the sector gear. The driven shaft is connected with a visual position indicator and the butterfly plate to rotate, when the opening degree reaches 91-93 degrees, the full-open switch is mechanically triggered by the driving shaft and is switched from a closed state to an open state, the motor stops running, and therefore the valve is stopped from being opened continuously; when the valve is closed, the pins 2 and 3 are connected into 115 +/-3 VAC/400Hz for motor driving, the driven shaft is driven by the main worm gear shaft, the visual position indicator and the butterfly plate are rotated simultaneously until the full-closed limit switch is triggered to jump from closed to open, the motor stops running, and the valve is completely closed. Reference is made in detail to the internal structural schematic of fig. 1 and the electrical schematic of the connector of fig. 2 (in the fully closed position). Wherein, in fig. 1, 1 represents a visual position indicator; 2 represents a full-open limit switch; 3 represents a full-closed limit switch; 4 represents a driven shaft; 5 represents a hand wheel; 6 represents a second worm gear shaft; 7 represents a sector gear; 8 represents a butterfly axis; 9 represents a valve body assembly; 10 represents the main worm-gear shaft; 11 represents a slip clutch; 12 represents a rotary electric machine drive mechanism; 13 represents a reduction gear; and 14 represents an electric motor.
In the existing market, on the basis of not dismantling the TCV, the performance test of the TCV can not be carried out, and whether the TCV can work normally is further judged. According to the TCV fault testing device and the TCV fault testing method, the TCV fault testing equipment is connected with the TCV through the power cable and the data acquisition cable, so that the TCV can be simply and rapidly tested without disassembling the TCV, and the TCV fault testing device and the TCV fault testing method have the advantage of high TCV performance testing efficiency.
According to the working principle of the TCV, the present invention provides a portable temperature control valve test device, and referring to fig. 1, the present invention provides a TCV fault test device, including: the TCV fault testing equipment is provided with a power supply interface and a data acquisition interface;
the power supply interface of the TCV fault test equipment is connected to the power supply interface of the tested TCV through a power cable; the data acquisition interface of the TCV fault test equipment is connected to the data interface of the tested TCV through a data acquisition cable;
the TCV fault test device includes: the system comprises an embedded all-in-one machine, a switch board card, a TCV resistance signal sampling terminal, a TCV current signal sampling terminal, a TCV voltage signal sampling terminal, a TCV fast-acting sampling terminal, a universal meter board card, an oscilloscope board card, a switching power supply and a power acquisition board card;
the output end of the embedded all-in-one machine is connected with the control end of the switch board card;
the switch board card is a switch board port of 1 from 4, and 4 input channels of the switch board card are respectively connected with the TCV resistance signal sampling terminal, the TCV current signal sampling terminal, the TCV voltage signal sampling terminal and the TCV quick-acting sampling terminal; the output channel of the switch board card is respectively connected with the input end of the multimeter board card and the input end of the oscilloscope board card; the output end of the universal meter board card and the output end of the oscilloscope board card are both connected to the input end of the embedded all-in-one machine;
the power supply interface of the TCV fault test equipment is connected to the input end of the switching power supply; the first output end of the switching power supply is connected to a power supply interface of the embedded all-in-one machine; and the second output end of the switching power supply is connected to the acquisition end of the embedded all-in-one machine through the power acquisition board card.
In practical application, the switching power supply is a 115VAC to 12VDC power supply module.
The power acquisition board card is connected with the embedded all-in-one machine through an RS485 line; the universal meter board card is connected with the embedded all-in-one machine through a USB wire; the oscilloscope board card is connected with the embedded all-in-one machine through a USB wire; the switch board card is connected with the embedded all-in-one machine through a USB wire.
The TCV fault testing device further comprises a fan; the switching power supply is connected with the power supply end of the fan.
The utility model is described in detail below:
a) the power supply system provides input power for the TCV fault testing equipment, so that the normal operation of the TCV fault testing equipment is ensured, and the power switch controls the power-on and power-off of the whole system; the whole TCV fault testing equipment is powered by 115VAC/400 Hz;
115VAC/400Hz power supply, via a switching power supply, namely: the 115 VAC-to-12 VDC module converts a 12VDC power supply and supplies power to the embedded all-in-one machine, the switch board card, the power acquisition board card and the fan.
In addition, the 115VAC/400Hz power supply is also a power supply of the tested TCV and supplies power to the tested TCV, and meanwhile, the power supply condition of the tested TCV is monitored by adopting an 8-path power acquisition module.
b) The embedded all-in-one machine is the core of TCV fault testing equipment, and the system is developed based on Windows 7 and is used for acquiring corresponding TCV testing data so as to judge whether TCV works abnormally;
the concrete mode is as follows:
the tested TCV enters the TCV fault testing equipment through the data acquisition cable.
Firstly, the embedded all-in-one machine controls the switch board card through an RS485 line, so that the switch board card selects one path from 4 paths of input as output to select a tested signal; wherein, the measured signal includes: a TCV resistance signal, a TCV current signal, a TCV voltage signal, and a TCV snap signal.
After the tested signal is selected by the switch board card, one path of the signal is selected as an output signal and respectively enters the universal meter board card and the oscilloscope board card. The universal meter board card uploads a test signal to the embedded all-in-one machine through the USB data line; meanwhile, the oscilloscope board card collects the voltage waveform during switching of the electric switch and uploads the voltage waveform to the embedded all-in-one machine through the USB;
the embedded all-in-one machine obtains the signals collected by the universal meter and the oscilloscope, processes the signals and finally outputs the test result to the display.
In actual use, TCV fault testing equipment is embedded into the pai li ken box, so that the functions of dust prevention, water prevention and the like are achieved; the whole set of equipment comprises an embedded all-in-one machine, a switching power supply, a power acquisition board card, an oscilloscope board card, a universal meter board card and the like; whole set of hardware is installed in the bottom, adopts 3 layers of mechanism design, is favorable to electric wiring, links to each other through 2 cables between being surveyed TCV on TCV fault test equipment and the aircraft, and power cable supplies power through 115VAC 400Hz, and data acquisition cable one end links to each other with the socket on the TCV fault test equipment panel, and one end links to each other with the TCV on the aircraft, accomplishes the collection of data between being surveyed TCV on TCV fault test equipment and the aircraft.
According to the TCV fault testing equipment provided by the utility model, the connection between the TCV fault testing equipment and the TCV is realized through the power cable and the data acquisition cable, so that the TCV can be simply and rapidly tested without disassembling the TCV, and the TCV fault testing equipment has the advantage of high TCV performance testing efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.
Claims (4)
1. A TCV fault test apparatus, comprising: the TCV fault testing equipment is provided with a power supply interface and a data acquisition interface;
the power supply interface of the TCV fault test equipment is connected to the power supply interface of the tested TCV through a power cable; the data acquisition interface of the TCV fault test equipment is connected to the data interface of the tested TCV through a data acquisition cable;
the TCV fault test device includes: the system comprises an embedded all-in-one machine, a switch board card, a TCV resistance signal sampling terminal, a TCV current signal sampling terminal, a TCV voltage signal sampling terminal, a TCV fast-acting sampling terminal, a universal meter board card, an oscilloscope board card, a switching power supply and a power acquisition board card;
the output end of the embedded all-in-one machine is connected with the control end of the switch board card;
the switch board card is a switch board port of 1 from 4, and 4 input channels of the switch board card are respectively connected with the TCV resistance signal sampling terminal, the TCV current signal sampling terminal, the TCV voltage signal sampling terminal and the TCV quick-acting sampling terminal; the output channel of the switch board card is respectively connected with the input end of the multimeter board card and the input end of the oscilloscope board card; the output end of the universal meter board card and the output end of the oscilloscope board card are both connected to the input end of the embedded all-in-one machine;
the power supply interface of the TCV fault test equipment is connected to the input end of the switching power supply; the first output end of the switching power supply is connected to a power supply interface of the embedded all-in-one machine; and the second output end of the switching power supply is connected to the acquisition end of the embedded all-in-one machine through the power acquisition board card.
2. The TCV fault test device of claim 1, wherein the switching power supply is a 115VAC to 12VDC power supply module.
3. The TCV fault testing device of claim 1, wherein the power acquisition board is connected to the embedded all-in-one machine through an RS485 line; the universal meter board card is connected with the embedded all-in-one machine through a USB wire; the oscilloscope board card is connected with the embedded all-in-one machine through a USB wire; the switch board card is connected with the embedded all-in-one machine through a USB wire.
4. The TCV fault testing device of claim 1, wherein the TCV fault testing device further comprises a fan; the switching power supply is connected with the power supply end of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063030.5U CN215813110U (en) | 2021-08-30 | 2021-08-30 | TCV fault test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063030.5U CN215813110U (en) | 2021-08-30 | 2021-08-30 | TCV fault test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215813110U true CN215813110U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122063030.5U Active CN215813110U (en) | 2021-08-30 | 2021-08-30 | TCV fault test equipment |
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| Country | Link |
|---|---|
| CN (1) | CN215813110U (en) |
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2021
- 2021-08-30 CN CN202122063030.5U patent/CN215813110U/en active Active
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Address after: 101300 4th floor, building 1, No. 19, duyang North Street, Renhe Town, Shunyi District, Beijing Patentee after: Beijing Tianpu Situo Intelligent Technology Co.,Ltd. Address before: 101300 4th floor, building 1, No. 19, duyang North Street, Renhe Town, Shunyi District, Beijing Patentee before: Beijing andaville Intelligent Technology Co.,Ltd. |