CN214585877U - Intelligent loading device for airplane high-voltage direct-current generator - Google Patents
Intelligent loading device for airplane high-voltage direct-current generator Download PDFInfo
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- CN214585877U CN214585877U CN202023183093.6U CN202023183093U CN214585877U CN 214585877 U CN214585877 U CN 214585877U CN 202023183093 U CN202023183093 U CN 202023183093U CN 214585877 U CN214585877 U CN 214585877U
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Abstract
The utility model belongs to the technical field of aeroengine high voltage direct current generator loading control, concretely relates to aircraft high voltage direct current generator intelligence loading device. The utility model discloses an insert aviation high voltage direct current generator with suitable loading resistance and add, subtract the load for it, solved traditional simulation loading method and can't carry out the loaded difficult problem to true generator. The utility model discloses internal integrated detection component can real-time detection generator output direct current's voltage and current parameter, can be accurate calculate load power and feed back to interior PLC and adjust in real time, have real-time regulation, adjust advantages such as precision height, artificial intervention are few; the movable support is convenient to move and not limited by the installation position, and has the advantages of small volume, simple installation, flexible movement and the like.
Description
Technical Field
The utility model belongs to the technical field of aeroengine high voltage direct current generator loading control, concretely relates to aircraft high voltage direct current generator intelligence loading device.
Background
The aircraft engine aircraft accessory casing requires a real generator to be used at the high-voltage direct-current generator end of the aircraft engine aircraft accessory casing for a loading test in a factory delivery test process.
In the existing loading method of the load end, a simulated accessory loading mode is adopted in an aircraft accessory casing tester, namely, loading devices such as a hydraulic pump loading device, an eddy current dynamometer or a hydraulic dynamometer are adopted, the loading modes adopt a coupler to connect the output end of an accessory casing high-voltage direct-current generator and the loading device, and the devices cannot load real accessories (real generators) at the ends of the high-voltage direct-current generators.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aircraft high voltage direct current generator intelligence loading device.
The purpose of the utility model is realized through the following technical scheme: comprises a cabinet body; the cabinet body consists of a front cabinet plate, a rear cabinet plate, a top plate, a base, a left cabinet plate and a right cabinet plate; the roller is arranged below the base; the interior of the cabinet body is provided with a partition board which divides the interior of the cabinet body into a front part and a rear part, the front part of the cabinet body is provided with a loading resistor array and a cooling fan, and the rear part of the cabinet body is provided with a PLC, a detection element, a driving unit and a wiring terminal; the loading resistor array consists of loading resistors with different powers, and the loading resistor array is uniformly arranged between the front cabinet plate and the partition plate; the cooling fan is arranged below the loading resistor array; a control voltmeter, a load ammeter, a load power meter, a touch screen and a local operation panel are mounted on the cabinet body front cabinet plate, and a heat dissipation window is formed in the lower portion of the cabinet body front cabinet plate; the local operation panel is provided with a control power supply indicator, a remote/local knob, a manual/automatic knob, a fan starting operation key, a fan stopping operation key, a power loading operation key, a power unloading operation key, a control power supply switch and an emergency stop operation key.
The beneficial effects of the utility model reside in that:
the utility model discloses an insert aviation high voltage direct current generator with suitable loading resistance and add, subtract the load for it, solved traditional simulation loading method and can't carry out the loaded difficult problem to true generator. The utility model discloses internal integrated detection component can real-time detection generator output direct current's voltage and current parameter, can be accurate calculate load power and feed back to interior PLC and adjust in real time, have real-time regulation, adjust advantages such as precision height, artificial intervention are few; the movable support is convenient to move and not limited by the installation position, and has the advantages of small volume, simple installation, flexible movement and the like.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an internal view of the present invention with the rear cabinet panel removed.
Fig. 3 is the internal view of the present invention with the left cabinet panel removed.
Fig. 4 is a plan view of the present invention.
Fig. 5 is a flow chart of the "remote manual mode" of the present invention.
Fig. 6 is a flow chart of the "remote automatic mode" of the present invention.
Fig. 7 is a flow chart of the "local manual mode" of the present invention.
Fig. 8 is a flow chart of the "local automatic mode" of the present invention.
Fig. 9 is a flow chart of the "automatic experiment subroutine" of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model relates to an aeroengine high voltage direct current generator loading control field uses in aircraft annex machine casket tester for carry out true annex loading to aircraft annex machine casket high voltage direct current generator end.
The utility model provides an aircraft high voltage direct current generator intelligence loading device which characterized in that: comprises a cabinet body; the cabinet body consists of a front cabinet plate, a rear cabinet plate, a top plate, a base, a left cabinet plate and a right cabinet plate; the roller is arranged below the base; the interior of the cabinet body is provided with a partition board which divides the interior of the cabinet body into a front part and a rear part, the front part of the cabinet body is provided with a loading resistor array and a cooling fan, and the rear part of the cabinet body is provided with a PLC, a detection element, a driving unit and a wiring terminal; the loading resistor array consists of loading resistors with different powers, and the loading resistor array is uniformly arranged between the front cabinet plate and the partition plate; the cooling fan is arranged below the loading resistor array; a control voltmeter, a load ammeter, a load power meter, a touch screen and a local operation panel are mounted on the cabinet body front cabinet plate, and a heat dissipation window is formed in the lower portion of the cabinet body front cabinet plate; the local operation panel is provided with a control power supply indicator, a remote/local knob, a manual/automatic knob, a fan starting operation key, a fan stopping operation key, a power loading operation key, a power unloading operation key, a control power supply switch and an emergency stop operation key.
Before the test, the utility model is moved and fixed to a proper position; meanwhile, an auxiliary power supply of the device is switched on, so that normal work of equipment such as a fan, a PLC (programmable logic controller), a touch screen and the like in the device is ensured; the rotating speed signal of the input end of the aircraft engine accessory casing and the output end of the high-voltage direct-current generator are respectively connected to the connecting terminal of the utility model through cables; the operation mode (local operation and remote operation) and the test mode (manual test and automatic test) are selected through the cabinet knob. Starting the aircraft accessory casing tester to enable the casing to drive the high-voltage direct-current generator to reach the working rotating speed of the generator, and the generator outputs high-voltage direct current of about 270V to the outside through a self-contained rectifying device; the output end of the generator and the input rotating speed signal of the casing are transmitted and input through the cable. The utility model judges whether the input rotation speed of the engine accessory casing and the output voltage of the generator meet the loading condition through internal PLC and other devices; the internal PLC reasonably combines loading resistors in the device to carry out loading and unloading operations according to the operation mode selected in the early stage and the test mode; the loading information can be obtained through a touch screen, a digital display meter on the device and a remote upper computer interface; the device is provided with an emergency stop button, and the emergency stop operation can be manually started at any time. The utility model discloses a bottom radiator fan cools off.
Example 1:
in order to solve the problem of loading real accessories of the high-voltage direct-current generator of the airplane accessory case, the utility model provides an intelligent loading device of the airplane high-voltage direct-current generator, which comprises a main body consisting of a cabinet body 1 and a base 4; the cabinet body 1 internally comprises a plurality of loading resistors 2 with different powers (the power of each loading resistor is calculated according to the actual minimum loading power in a grading way, the number of the specific loading resistors is calculated according to the total loading power), a cooling fan 3, a PLC (programmable logic controller), a detection element 5, a driving unit 6 and a wiring terminal 7; a control voltmeter 8, a load voltmeter 9, a load ammeter 10, load power 11, a touch screen 12 and a local operation panel 13 are mounted on a front door plate of the cabinet body 1; the cabinet body 1 is matched with the base 4, and the device can be moved at any time. A PLC program integrated in the PLC and the detection element 5. The utility model discloses possess local and two kinds of remote operation mode, possess two kinds of experimental modes of manual control and automatic control simultaneously, can satisfy aircraft annex machine casket high voltage direct current generator end and carry out true annex loading demand. The utility model discloses an application method includes following step:
step 1: the utility model is moved to the designated position and then fixed;
step 2: connecting an auxiliary power supply, an input end of an airplane accessory casing and an output end of a high-voltage direct-current generator to a wiring terminal of an intelligent loading device of the airplane high-voltage direct-current generator through a cable; if the remote signal of the airplane accessory casing is transmitted in a bus mode, connecting a communication cable to a PLC (programmable logic controller) and a detection element of an intelligent loading device of the airplane high-voltage direct-current generator;
and step 3: electrifying the intelligent loading device of the airplane high-voltage direct-current generator through a control power switch on a local operation panel, and observing whether the indication display of the control power of a control voltmeter, a touch screen and the local operation panel is normal or not;
and 4, step 4: starting the airplane accessory case, and driving the high-voltage direct-current generator to reach the working rotating speed by the airplane accessory case, so that the real working state of the high-voltage direct-current generator in the airplane is simulated; the high-voltage direct current generator outputs high-voltage direct current to the outside through a rectifying device of the high-voltage direct current generator, and a rotating speed signal input by an airplane accessory casing and a voltage, current and power signal output by the high-voltage direct current generator are transmitted and input into an intelligent loading device of the airplane high-voltage direct current generator through a cable;
and 5: when the input rotating speed of the aircraft accessory casing and the output voltage of the high-voltage direct-current generator meet the loading condition, starting a loading test, and loading or unloading according to the set working condition of the test; otherwise, adjusting the input rotating speed of the aircraft accessory casing until the loading condition is met.
The utility model discloses a PLC inserts aviation high voltage direct current generator with suitable loading resistance and adds, subtracts the load for it. The utility model is convenient to move and not limited by the installation position, and has the advantages of small volume, simple installation, flexible movement and the like; and simultaneously the utility model discloses inside integrated detecting element can real-time detection generator output direct current's voltage and current parameter, can be accurate calculate loading power and feed back to inside PLC and adjust in real time, have real-time regulation, adjust advantages such as the precision is high, artificial intervention is few. The utility model provides a traditional simulation loading method can't carry out the loaded difficult problem to true generator.
Example 2:
the utility model discloses can use through multiple mode, only explain below to aviation high voltage direct current generator loading field.
Step 1: before the test is started, the cabinet body 1 is moved to a proper position through the base 4 and fixed;
step 2: pass through cable junction with auxiliary power supply, generator output, quick-witted casket input speed signal, remote signal and be connected to the utility model discloses a binding post 7, if remote signal passes through bus mode transmission then need be connected to PLC and detecting element 5 with communication cable on.
And step 3: the whole set of the device is powered on through the "control power switch" of the local operation panel 13 in fig. 1, and whether the display of the "control power indication" of the control voltmeter 8, the touch screen 12 and the local operation panel 13 is normal or not is observed at the same time.
And 4, step 4: the operation mode and the test mode are selected through a remote/local knob and a manual/automatic knob of the local operation panel 13 according to the actual test requirement on site, and the two modes can be combined randomly, namely a remote manual mode, a remote automatic mode, a local manual mode and a local automatic mode; no matter what kind of mode this device is in, the utility model discloses can all show experimental parameter in real time through load voltmeter 9, load ampere meter 10, load power meter 11, touch-sensitive screen 12, including load voltage, load current, load power, test time, current rotational speed, current operating mode etc. if select "long-range" operating mode, above experimental parameter all can show in real time at long-range host computer interface.
And 5: starting the aircraft accessory casing tester to enable the casing to drive the high-voltage direct-current generator to operate, and adjusting the input rotating speed of the casing to further adjust the rotating speed of the high-voltage direct-current generator so as to simulate the real working state of the high-voltage direct-current generator in the aircraft.
The device of the utility model is characterized in that parameters such as current casing rotating speed, generator voltage, current and power can be obtained from a load voltmeter 9, a load ammeter 10, a load power meter 11, a touch screen 12 or a remote upper computer interface in the device figure 1; after the parameters meet the test conditions, the loading and unloading tests can be carried out according to the currently selected operation mode and the test mode, and the specific operations are as follows:
in the "remote manual mode", the "fan start", "fan stop", "power load", "power unload" buttons in the local operation panel 13 in fig. 1 of the apparatus of the present invention are disabled, and at the same time, the control button on the touch screen 12 is out of control, and the touch screen 12 only displays all experimental data; the fan start-stop, loading and unloading test operations are all manually controlled through a remote upper computer interface, and a specific program flow chart is shown in figure 5.
In the "remote automatic mode", the "fan start", "fan stop", "power load", "power unload" buttons in the local operation panel 13 in fig. 1 of the apparatus of the present invention are disabled, and at the same time, the control button on the touch screen 12 is out of control, and the touch screen 12 only displays all experimental data; issue "start automatic test" order through long-range host computer interface and give the utility model discloses device PLC and detecting element 5, PLC and detecting element 5 carry out automatic loading, deloading test according to its inside automatic program immediately, and specific procedure flow chart is seen in fig. 6 and fig. 9.
Under "local manual mode", the utility model discloses the device carries out local manual adding, the operation of deloading through corresponding operating button in "fan start", "fan stops", "power loading", "power deloading" button or the touch-sensitive screen 12 interface among the local operating panel 13 of fig. 1, and specific operation flow chart is seen in fig. 7.
Under "local automatic mode", the utility model discloses install in FIG 1 in the local operating panel 13 "fan start", "fan stops", "power loading", "power deloading" button inefficacy, send "start automatic test" order through touch-sensitive screen 12 interface and give the utility model discloses install PLC and detect original paper 5, PLC and detecting element 5 carry out the automation according to its inside automatic program immediately and add, deloading experiment, and specific procedure flowchart is seen in figure 8 and figure 9.
The utility model discloses the device changes whenever someone is to "long-range/local" or "manual/automatic" knob state in the local operating panel 13 in the test process, and the device all can the automatic start scram operation to prevent unexpected the emergence.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The utility model provides an aircraft high voltage direct current generator intelligence loading device which characterized in that: comprises a cabinet body; the cabinet body consists of a front cabinet plate, a rear cabinet plate, a top plate, a base, a left cabinet plate and a right cabinet plate; the roller is arranged below the base; the interior of the cabinet body is provided with a partition board which divides the interior of the cabinet body into a front part and a rear part, the front part of the cabinet body is provided with a loading resistor array and a cooling fan, and the rear part of the cabinet body is provided with a PLC, a detection element, a driving unit and a wiring terminal; the loading resistor array consists of loading resistors with different powers, and the loading resistor array is uniformly arranged between the front cabinet plate and the partition plate; the cooling fan is arranged below the loading resistor array; a control voltmeter, a load ammeter, a load power meter, a touch screen and a local operation panel are mounted on the cabinet body front cabinet plate, and a heat dissipation window is formed in the lower portion of the cabinet body front cabinet plate; the local operation panel is provided with a control power supply indicator, a remote/local knob, a manual/automatic knob, a fan starting operation key, a fan stopping operation key, a power loading operation key, a power unloading operation key, a control power supply switch and an emergency stop operation key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023183093.6U CN214585877U (en) | 2020-12-25 | 2020-12-25 | Intelligent loading device for airplane high-voltage direct-current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023183093.6U CN214585877U (en) | 2020-12-25 | 2020-12-25 | Intelligent loading device for airplane high-voltage direct-current generator |
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| Publication Number | Publication Date |
|---|---|
| CN214585877U true CN214585877U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023183093.6U Active CN214585877U (en) | 2020-12-25 | 2020-12-25 | Intelligent loading device for airplane high-voltage direct-current generator |
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| Country | Link |
|---|---|
| CN (1) | CN214585877U (en) |
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- 2020-12-25 CN CN202023183093.6U patent/CN214585877U/en active Active
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