CN215927575U - Digital accelerator parking device and vehicle-mounted aviation turbofan engine electric control system - Google Patents
Digital accelerator parking device and vehicle-mounted aviation turbofan engine electric control system Download PDFInfo
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- CN215927575U CN215927575U CN202121470427.XU CN202121470427U CN215927575U CN 215927575 U CN215927575 U CN 215927575U CN 202121470427 U CN202121470427 U CN 202121470427U CN 215927575 U CN215927575 U CN 215927575U
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Abstract
The utility model belongs to the technical field of electric control systems, and discloses a digital accelerator parking device and a vehicle-mounted aviation turbofan engine electric control system, which comprise an industrial touch man-machine interface, a PLC (programmable logic controller), a digital accelerator parking device and an oil pump regulator.
Description
Technical Field
The utility model belongs to the technical field of electric control systems, and particularly relates to a digital accelerator parking device and an electric control system of a vehicle-mounted aviation turbofan engine.
Background
The aero-engine can be used for removing snow, fire fighting, demisting, blowing sand and the like in an airport, has wide application and high use value, and needs to be loaded on a large-sized load-carrying vehicle when in use to serve as a vehicle-mounted aero turbofan engine. At present, the turbofan aircraft engine is changed into a vehicle-mounted engine, which belongs to the domestic initiative, but the original airborne control system is not suitable for the ground, and compared with the aircraft engine on an airplane, the control system of the aircraft engine is incomplete, such as lack of throttle control, stop control and starting box control. Manual control signals cannot be transmitted to a hydraulic mechanical control system of the engine, so that an electronic control system which is convenient, good in use and high in reliability needs to be researched and developed urgently. At present, the starting box, the fuel throttle and the parking control of the aero-engine are all mechanical, a mechanical cam acts inside the starting box, and the throttle and the parking control push a mechanical handle to drive an engine fuel regulator to act in a control room. The starting and fuel injection of the engine are controlled by using an electric control technology, different control strategies are adopted according to different states of the engine, and the control by using a program can be realized more easily, so that the engine has better starting performance, higher fuel efficiency and higher response speed.
Present several kinds of schemes are applied to problem and shortcoming that vehicular turbofan engine control (for example turbofan engine snow breaker, fire engine etc.) exists:
1. the mechanical type: the mechanical starting box is large in size and high in failure rate. The mechanical linkage mechanism has the following problems in controlling the accelerator and stopping the vehicle in a mechanical mode: firstly, the processing, manufacturing and installation are complicated, and the working efficiency is low; secondly, the movement clearance of the connecting rod mechanism is large, and the connecting rod is easy to deform; for some types of aircraft engines, a main rocker arm and a follow-up rocker arm are arranged at the upper part of the engine, and if the connecting rod mechanism is adopted, the movement space is overlarge; finally, the engine switch rocker arm is easy to be not closed when in work.
2. Electric control: the servo motor is high in cost, heavy in weight, difficult to install and fix, high in power consumption requirement, limited in vehicle-mounted power supply capacity and inapplicable.
3. The controller which combines a common singlechip and a simple circuit is adopted to control the opening and closing of the fuel switch, and the scheme has poor expandability and reliability.
4. In an onboard control system, the start prohibition condition is not automatically detected, and the detection reliability is low mainly by means of manual inspection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides a digital accelerator parking device and a vehicle-mounted aviation turbofan engine electric control system, and solves the problems in the prior art.
In order to solve the technical problem, the technical scheme of the utility model is as follows: a digital accelerator parking device comprises an accelerator push rod motor, a parking push rod motor, an accelerator pull rope displacement sensor, a parking pull rope displacement sensor, a mounting base, an accelerator connecting rod, a parking connecting rod, an accelerator connecting sheet, a parking connecting sheet, a first accelerator key bearing, a first parking key bearing, a second accelerator key bearing, a second parking key bearing, a pull rope displacement sensor mounting base and a control assembly, wherein the accelerator push rod motor and the parking push rod motor are respectively and vertically fixed on the upper end surface of the mounting base, the accelerator pull rope displacement sensor and the parking pull rope displacement sensor are respectively fixed on the upper end surface of the mounting base through the pull rope displacement sensor mounting base, a push rod of the accelerator push rod motor penetrates through one side of the accelerator connecting sheet to be connected with the first accelerator key bearing, the push rod of the accelerator push rod motor is fixedly connected with the accelerator connecting sheet, and the other side of the accelerator connecting sheet is fixedly connected with the accelerator pull rope displacement sensor, the other end of the first throttle key bearing is connected with a throttle connecting rod, the other end of the throttle connecting rod is connected with a second throttle key bearing, a push rod of the parking push rod motor penetrates through one side of the parking connecting sheet to be connected with the first parking key bearing, the push rod of the parking push rod motor is fixedly connected with the parking connecting sheet, the other side of the parking connecting sheet is fixedly connected with the parking stay rope displacement sensor, the other end of the first parking key bearing is connected with the parking connecting rod, the other end of the parking connecting rod is connected with the second parking key bearing, and the throttle push rod motor, the parking push rod motor, the throttle stay rope displacement sensor and the parking stay rope displacement sensor are respectively connected with the control assembly.
Preferably, the throttle push rod motor and the parking push rod motor are parallel and arranged on the same end face of the mounting base.
Preferably, the accelerator connecting piece and the parking connecting piece are parallel and arranged on the same plane.
Preferably, the height of the parking link is greater than the height of the throttle link.
Preferably, the other side of the accelerator connecting sheet is fixedly connected with a screw rod of the accelerator pull rope displacement sensor, and the other side of the parking connecting sheet is fixedly connected with a screw rod of the parking pull rope displacement sensor.
Preferably, the upper side of the stay cord displacement sensor mounting seat is respectively and fixedly connected with an accelerator stay cord displacement sensor and a parking stay cord displacement sensor, and the lower side of the stay cord displacement sensor mounting seat is fixed on the upper end face of the mounting base through a support rod.
Preferably, the vehicle-mounted aviation turbofan engine electric control system comprises an industrial touch man-machine interface, a PLC (programmable logic controller), the digital throttle parking device and the oil pump regulator, wherein the industrial touch man-machine interface is electrically connected with the PLC, the PLC is electrically connected with a control assembly of the digital throttle parking device, and a second throttle key bearing and a second parking key bearing of the digital throttle parking device are respectively connected with the oil pump regulator.
Preferably, the industrial touch human-computer interface comprises a parameter monitoring display screen, an industrial touch human-computer interface and an entity key, wherein the parameter monitoring display screen and the entity key are respectively electrically connected with the industrial touch human-computer interface, the industrial touch human-computer interface comprises a human-computer interface control throttle button and a control parking button, the human-computer interface control throttle button is used for controlling a throttle push rod motor, and the human-computer interface control parking button is used for controlling a parking push rod motor.
Compared with the prior art, the utility model has the advantages that:
(1) the utility model uses mature PLC controller to replace the starting box, greatly simplifies the complex structure, reduces the failure rate, can accurately control the injection time and ignition time of the fuel, has high fuel utilization rate and fast response speed, uses mature and reliable PLC controller to match with the double-motor control scheme, can be used in harsh environment in the industrial field, and is suitable for industrial occasions with harsh environment, strong interference and more complex control and more suitable for the control of the engine;
(2) the double-push-rod motor adopted by the utility model replaces a mechanical structure to control the accelerator and stop the vehicle, has the advantages of simple operation, convenient installation, light weight, low price, small power and high reliability, and is suitable for the environment with limited space and limited load on the vehicle;
(3) according to the utility model, the throttle button controlled by the human-computer interface and the parking button controlled by the human-computer interface are adopted to replace a mechanical handle, so that the problems of complex processing and installation and low working efficiency of a mechanical structure are avoided, and the problems of large movement clearance of a connecting rod mechanism and easy deformation of a connecting rod are avoided;
(4) the vehicle-mounted aviation turbofan engine electric control system adopts a control program of the PLC controller to automatically check the starting prohibition condition of the engine, compared with manual check, the automatic mode has high detection reliability, can automatically detect the starting prohibition condition, checks whether the starting prohibition condition of the engine is met, pops up a warning frame on a man-machine interface if the starting prohibition condition of the engine is not met, does not allow the starting, and displays various running parameters of the engine on an industrial touch man-machine interface in real time.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of a digital accelerator parking device according to the present invention;
FIG. 2 is a schematic rear view of a digital throttle parking device according to the present invention;
FIG. 3 is a control schematic diagram of the electric control system of the digital accelerator parking device and the vehicle-mounted aviation turbofan engine according to the utility model;
FIG. 4 is a schematic structural diagram of an industrial touch human-machine interface according to the present invention.
Description of reference numerals:
1. throttle push rod motor, 2, parking push rod motor, 3, throttle stay cord displacement sensor, 4, parking stay cord displacement sensor, 5, installation base, 6, throttle connecting rod, 7, parking connecting rod, 8, throttle connection piece, 9, parking connection piece, 10, first throttle key bearing, 11, first parking key bearing, 12, second throttle key bearing, 13, second parking key bearing, 14, stay cord displacement sensor mount pad, 15, bracing piece, 16, parameter monitoring display screen, 17, industrial touch human-computer interface, 18, entity button.
Detailed Description
The following describes embodiments of the present invention with reference to examples:
it should be noted that the structures, proportions, sizes, and other elements shown in the specification are included for the purpose of understanding and reading only, and are not intended to limit the scope of the utility model, which is defined by the claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Example 1
As shown in fig. 1-2, the utility model discloses a digital accelerator parking device, which comprises an accelerator push rod motor 1, a parking push rod motor 2, an accelerator pull rope displacement sensor 3, a parking pull rope displacement sensor 4, an installation base 5, an accelerator connecting rod 6, a parking connecting rod 7, an accelerator connecting piece 8, a parking connecting piece 9, a first accelerator key bearing 10, a first parking key bearing 11, a second accelerator key bearing 12, a second parking key bearing 13, a pull rope displacement sensor installation base 14 and a control assembly, wherein the accelerator push rod motor 1 and the parking push rod motor 2 are respectively vertically fixed on the upper end surface of the installation base 5, the accelerator pull rope displacement sensor 3 and the parking pull rope displacement sensor 4 are respectively fixed on the upper end surface of the installation base 5 through the pull rope displacement sensor installation base 14, one side of a push rod of the accelerator push rod motor 1 penetrating through the accelerator 8 is connected with the first accelerator key bearing 10, and the push rod of the accelerator push rod motor 1 is fixedly connected with an accelerator connecting sheet 8, the other side of the accelerator connecting sheet 8 is fixedly connected with an accelerator pull rope displacement sensor 3, the other end of the first throttle key bearing 10 is connected with a throttle connecting rod 6, the other end of the throttle connecting rod 6 is connected with a second throttle key bearing 12, the push rod of the parking push rod motor 2 penetrates through one side of the parking connecting sheet 9 and is connected with a first parking key bearing 11, and the push rod of the parking push rod motor 2 is fixedly connected with a parking connecting sheet 9, the other side of the parking connecting sheet 9 is fixedly connected with a parking pull rope displacement sensor 4, the other end of the first parking key bearing 11 is connected with the parking connecting rod 7, the other end of the parking connecting rod 7 is connected with the second parking key bearing 13, and the accelerator push rod motor 1, the parking push rod motor 2, the accelerator pull rope displacement sensor 3 and the parking pull rope displacement sensor 4 are respectively connected with the control assembly.
The utility model adopts an accelerator pull rope displacement sensor 3 and a parking pull rope displacement sensor 4 to measure the specific positions of an accelerator and a parking as measuring ends, and the measuring ends are connected to the input end of a PLC controller; the displacement sensor adopts a pull rope displacement sensor, a measuring mechanism of the sensor adopts pull rope measurement, and the pull rope is a flexible material and can still maintain reliable measuring performance under the vibration state of the aeroengine.
The utility model adopts an accelerator push rod motor 1 and a parking push rod motor 2 as stroke execution ends for controlling an accelerator and parking. Because the space on the car is limited, and the load is limited, and the mobile unit all needs the power supply of using the on-vehicle lithium cell, and the consumer should select power as far as possible little, so the motor adopts direct current push rod motor, compares servo motor, and direct current push rod motor is simplified greatly structurally, all descends in price, weight, power by a wide margin, and the reliability is higher.
Example 2
Preferably, as shown in fig. 1-2, the accelerator push rod motor 1 and the parking push rod motor 2 are parallel and arranged on the same end face of the mounting base 5.
Preferably, as shown in fig. 1-2, the accelerator connecting piece 8 and the parking connecting piece 9 are parallel and arranged on the same plane.
Example 3
Preferably, as shown in fig. 1 to 2, the height of the parking link 7 is greater than the height of the accelerator link 6.
Preferably, as shown in fig. 1-2, the other side of the accelerator connection piece 8 is fixedly connected with a screw of the accelerator pull rope displacement sensor 3, and the other side of the parking connection piece 9 is fixedly connected with a screw of the parking pull rope displacement sensor 4.
Preferably, as shown in fig. 1 to 2, the upper side of the rope displacement sensor mounting seat 14 is fixedly connected with the accelerator rope displacement sensor 3 and the parking rope displacement sensor 4, and the lower side of the rope displacement sensor mounting seat 14 is fixed on the upper end surface of the mounting base 5 through a support rod 15.
Example 4
Preferably, as shown in fig. 3, the vehicle-mounted aviation turbofan engine electric control system comprises an industrial touch man-machine interface, a PLC controller, the digital throttle parking device and the oil pump regulator, wherein the industrial touch man-machine interface is electrically connected with the PLC controller, the PLC controller is electrically connected with a control assembly of the digital throttle parking device, and a second throttle key bearing 12 and a second parking key bearing 13 of the digital throttle parking device are respectively connected with the oil pump regulator.
Preferably, as shown in fig. 4, the industrial touch human-machine interface includes a parameter monitoring display screen 16, an industrial touch human-machine interface 17, and an entity key 18, where the parameter monitoring display screen 16 and the entity key 18 are respectively electrically connected to the industrial touch human-machine interface 17, the industrial touch human-machine interface 17 includes a human-machine interface control throttle button and a parking button, the human-machine interface control throttle button is used for controlling the throttle push rod motor 1, and the human-machine interface control parking button is used for controlling the parking push rod motor 2.
The industrial touch human-computer interface is provided with a starting button, and after the starting button is clicked, an internal program of the PLC controls the engine to start according to a preset starting time sequence.
The industrial touch human-computer interface is connected with the PLC and keeps communication as the display end and the control end, is used for controlling the actuating mechanism and displaying the engine parameters, can self-check whether the starting condition is met, and pops up the warning frame if the starting condition is not met. The man-machine interface adopts a mature and reliable industrial touch man-machine interface, has large interface size and high resolution and is suitable for severe industrial scenes. Compared with the traditional entity key, the design is more humanized, the interface change is more convenient, the customization degree is higher, the engine state and parameters can be more conveniently detected and monitored, and the engine parameters can be set and the actuating mechanism of the engine can be controlled.
The PLC controller replaces an original airborne starting box, a starting button can be arranged on an industrial touch man-machine interface, and an engine is controlled to start according to a preset starting time sequence by clicking an internal program of the PLC controller of the starting button. The PLC replaces the complex analog circuit of the original machine-mounted starting box, and the PLC output contact is driven to act by the PLC controller control program. Compared with the original machine-mounted starting box analog circuit, the mature PLC has the advantages of high reliability, low cost, easy purchase and convenient program adjustment.
The electric control system adopts the vehicle-mounted power supply high-capacity lithium iron phosphate battery to supply power to each part, and adopts the standby power supply dual power supply to supply power to key parts such as an accelerator, so that the electric control system can still recover to a parking space in emergency, and the safety of an engine is ensured.
The PLC controller can be replaced by an embedded chip; but compared with a mature PLC, the embedded chip has unstable operation, high failure rate and poor anti-electromagnetic interference capability.
The principle of the utility model is as follows:
an operator controls a throttle button and a parking button of a human-computer interface through an industrial touch human-computer interface, the throttle button and the parking button of the human-computer interface are electrically connected with a PLC (programmable logic controller), a control signal is transmitted to a control program in the PLC through the PLC, a switching value output module of the PLC transmits a switching value signal to a control assembly of a digital throttle parking device, the throttle is controlled and the vehicle is parked to a preset position by clicking the button, a throttle push rod motor 1 is connected to the throttle through a throttle connecting rod 6 to provide a fuel oil supply pipeline, a parking push rod motor 2 is connected to the vehicle through a parking connecting rod 7, and the PLC output end of the PLC controller is connected to the parking electromagnetic valve, the accelerator pull rope displacement sensor 3 and the parking pull rope displacement sensor 4 detect the real-time positions of an accelerator and a parking, the real-time positions enter the PLC controller through the input end of the PLC controller, and the real-time positions are displayed on an industrial touch human-computer interface. The control system can carry out self-inspection on the engine, various running parameters of the engine are checked and displayed in real time, the control assembly controls the accelerator push rod motor 1 or the parking push rod motor 2 to act, meanwhile, the accelerator pull rope displacement sensor 3 and the parking pull rope displacement sensor 4 can feed back displacement information of an industrial touch human-computer interface at any time due to the fact that the accelerator push rod motor 1 or the parking push rod motor 2 are connected, the accelerator push rod motor 1 or the parking push rod motor 2 moves to drive the accelerator connecting rod 6 and the parking connecting rod 7 to move, the oil pump regulator is regulated through the tail ends of the accelerator connecting rod 6 and the parking connecting rod 7, and oil supply of the engine is further regulated.
And each working state required by the use of the aircraft engine can be set on the industrial touch man-machine interface, and after a certain working state is selected, the signal can be transmitted to the PLC through a network cable. Meanwhile, a real-time position signal of the accelerator passes through a displacement sensor to generate real-time analog voltage, the real-time analog voltage is acquired into the PLC by a hardware analog quantity acquisition module of the PLC, the real-time position of the accelerator is compared with the position of the selected working state by a control program, forward rotation or reverse rotation is selected, switching quantity is sent by a switching quantity output module to control the rotation of a push rod motor, the push rod generates linear displacement, and the accelerator of the oil pump regulator is driven to rotate by a mechanical transmission device (namely, an accelerator push rod motor 1, a parking push rod motor 2, an accelerator connecting rod 6, a parking connecting rod 7 and the like are controlled).
The utility model provides an electric control system of a vehicle-mounted aviation turbofan engine, which is controlled by designing an industrial touch man-machine interface and a mature PLC (programmable logic controller) control mode to replace the traditional control mode of an accelerator, a parking box and a starting box, improves the control precision, reliability and convenience, and avoids the large volume and multiple faults of the traditional mechanical structure.
The utility model uses mature PLC controller to replace the starting box, greatly simplifies the complex structure, reduces the failure rate, can accurately control the injection time and ignition time of the fuel, has high fuel utilization rate and fast response speed, uses mature and reliable PLC controller to match with a double-motor control scheme, can be used in harsh environment in the industrial field, is suitable for industrial occasions with harsh environment, strong interference and more complex control, and is more suitable for the control of the engine.
The double-push-rod motor adopted by the utility model replaces a mechanical structure to control the accelerator and stop the vehicle, has the advantages of simple operation, convenient installation, light weight, low price, small power and high reliability, and is suitable for the environment with limited space and limited load on the vehicle.
The utility model adopts the human-computer interface control accelerator button and the human-computer interface control parking button to replace a mechanical handle, thereby avoiding the problems of complex processing and installation and low working efficiency which are easily caused by a mechanical structure and the problems of large movement clearance of a connecting rod mechanism and easy deformation of a connecting rod.
The vehicle-mounted aviation turbofan engine electric control system adopts a control program of the PLC controller to automatically check the starting prohibition condition of the engine, compared with manual check, the automatic mode has high detection reliability, can automatically detect the starting prohibition condition, checks whether the starting prohibition condition of the engine is met, pops up a warning frame on a man-machine interface if the starting prohibition condition of the engine is not met, does not allow the starting, and displays various running parameters of the engine on an industrial touch man-machine interface in real time.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (8)
1. A digital throttle parking device is characterized in that: the accelerator pull rod motor (1) and the parking pull rod motor (2) are vertically fixed on the upper end face of the mounting base (5) respectively, the accelerator pull rod displacement sensor (3) and the parking pull rod displacement sensor (4) are fixed on the upper end face of the mounting base (5) respectively through the pull rod displacement sensor mounting base (14), and a push rod of the accelerator push rod motor (1) penetrates through one side of the accelerator connecting sheet (8) and the first accelerator key bearing (3) ((the first accelerator key bearing) (the second parking key bearing) (the second accelerator connecting rod) (6) (the parking connecting sheet (7) (the accelerator connecting sheet) (8) (the parking connecting sheet (9)) 10) The accelerator pull rod motor is connected with the accelerator connecting sheet (8), the other side of the accelerator connecting sheet (8) is fixedly connected with an accelerator pull rope displacement sensor (3), the other end of the first accelerator key bearing (10) is connected with the accelerator connecting rod (6), the other end of the accelerator connecting rod (6) is connected with a second accelerator key bearing (12), one side of the push rod of the parking push rod motor (2) penetrating through the parking connecting sheet (9) is connected with the first parking key bearing (11), the push rod of the parking push rod motor (2) is fixedly connected with the parking connecting sheet (9), the other side of the parking connecting sheet (9) is fixedly connected with a parking pull rope displacement sensor (4), the other end of the first parking key bearing (11) is connected with the parking connecting rod (7), and the other end of the parking connecting rod (7) is connected with the second parking key bearing (13), and the accelerator push rod motor (1), the parking push rod motor (2), the accelerator pull rope displacement sensor (3) and the parking pull rope displacement sensor (4) are respectively connected with the control assembly.
2. The digital throttle parking device according to claim 1, wherein: the accelerator push rod motor (1) and the parking push rod motor (2) are parallel and arranged on the same end face of the mounting base (5).
3. The digital throttle parking device according to claim 1, wherein: the accelerator connecting piece (8) and the parking connecting piece (9) are parallel and arranged on the same plane.
4. The digital throttle parking device according to claim 1, wherein: the height of the parking connecting rod (7) is greater than that of the accelerator connecting rod (6).
5. The digital throttle parking device according to claim 1, wherein: the other side of the accelerator connecting sheet (8) is fixedly connected with a screw rod of the accelerator pull rope displacement sensor (3), and the other side of the parking connecting sheet (9) is fixedly connected with a screw rod of the parking pull rope displacement sensor (4).
6. The digital throttle parking device according to claim 1, wherein: the upper side of the stay cord displacement sensor mounting seat (14) is respectively and fixedly connected with an accelerator stay cord displacement sensor (3) and a parking stay cord displacement sensor (4), and the lower side of the stay cord displacement sensor mounting seat (14) is fixed on the upper end face of the mounting base (5) through a support rod (15).
7. The utility model provides a vehicle-mounted aviation turbofan engine electrical system which characterized in that: the digital accelerator parking device comprises an industrial touch man-machine interface, a PLC (programmable logic controller), the digital accelerator parking device as claimed in any one of claims 1 to 6 and an oil pump regulator, wherein the industrial touch man-machine interface is electrically connected with the PLC, the PLC is electrically connected with a control assembly of the digital accelerator parking device, and a second accelerator key bearing (12) and a second parking key bearing (13) of the digital accelerator parking device are respectively connected with the oil pump regulator.
8. The vehicle-mounted aviation turbofan engine electrical control system of claim 7, wherein: the industrial touch man-machine interface comprises a parameter monitoring display screen (16), an industrial touch man-machine interface (17) and an entity key (18), wherein the parameter monitoring display screen (16) and the entity key (18) are respectively and electrically connected with the industrial touch man-machine interface (17), the industrial touch man-machine interface (17) comprises a man-machine interface control accelerator button and a man-machine interface control parking button, the man-machine interface control accelerator button is used for controlling an accelerator push rod motor (1), and the man-machine interface control parking button is used for controlling a parking push rod motor (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121470427.XU CN215927575U (en) | 2021-06-30 | 2021-06-30 | Digital accelerator parking device and vehicle-mounted aviation turbofan engine electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121470427.XU CN215927575U (en) | 2021-06-30 | 2021-06-30 | Digital accelerator parking device and vehicle-mounted aviation turbofan engine electric control system |
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| Publication Number | Publication Date |
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| CN215927575U true CN215927575U (en) | 2022-03-01 |
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| CN202121470427.XU Active CN215927575U (en) | 2021-06-30 | 2021-06-30 | Digital accelerator parking device and vehicle-mounted aviation turbofan engine electric control system |
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2021
- 2021-06-30 CN CN202121470427.XU patent/CN215927575U/en active Active
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Address after: Floor 1-4, west side of building B, Huigu Innovation Park, 1123 hangchuang Road, Xi'an national civil aerospace industry base, Shaanxi 710100 Patentee after: XI'AN AERO-SPACE ENGINE & SMART MANUFACTURING INSTITUTE CO.,LTD. Patentee after: Gansu Great Wall Hydrogen Energy Engineering Research Institute Co., Ltd Address before: 710100 floor 1-4, west of building B, Huigu Innovation Park, No. 1123 hangchuang Road, national civil aerospace industry base, Xi'an City, Shaanxi Province Patentee before: XI'AN AERO-SPACE ENGINE & SMART MANUFACTURING INSTITUTE CO.,LTD. Patentee before: Gansu Great Wall Electrical Engineering Research Institute Co., Ltd |