Engine throttle angle detection device

Abstract

The invention discloses an engine throttle angle detection device, which comprises an input shaft, a connecting part, a mounting seat, an absolute value encoder and a display, and is characterized in that one end of the input shaft is connected with an engine throttle and is used for acquiring rotation information of the engine throttle; the connecting part is mounted on one side of the mounting seat; the absolute value encoder is mounted on the other side of the mounting seat, is connected with the input shaft through a connecting part, and is used for generating a rotation electric signal according to the rotation information; the displayer is in communication connection with the absolute value encoder and used for displaying the rotation angle of the engine throttle according to the rotation electric signal. On the basis, through indirect connection of the absolute value encoder and the engine throttle, rotation information of the engine throttle can be accurately obtained in real time and converted into the rotation electric signal, and therefore the display can display the rotation angle of the engine throttle according to the rotation electric signal, and detection of the angle of the engine throttle is achieved.

Description

Technical Field

[0001] The present application belongs to the field of aviation engine detection, and in particular, relates to an engine throttle angle detection device. Background Art

[0002] The aircraft engine test needs to be tested and controlled by a throttle angle detection device, but the existing throttle angle detection device is composed of a position sensor and an indicator. The installed position sensor provides the indicator and the equipment data acquisition system with a fuel adjustment angle position signal. One channel is an electrical signal provided by the indicator, and the other is a 0-24V voltage signal provided by the data acquisition system. The two signals use two different power supplies of 28V and 24V. The cable plug connecting the position sensor and the test bench adopts a one-to-two method. This method makes the adapter cable plug line easy to cause short circuits, open circuits, etc. due to frequent disassembly and assembly, causing faults such as burnout of the position sensor. Therefore, the original throttle angle detection device needs to be replaced.

[0003] At present, the throttle angle can also be measured by mechanical transmission. Among them, the patent with publication number CN201787957U proposes a throttle angle accuracy test device. The throttle angle accuracy test device includes: a motor; a connecting piece connected to the main shaft of the motor; a second swing arm connected to the connecting piece; a fuel regulator connected to the second swing arm; a crank arm connected to the second swing arm; a coupling connected to the crank arm; a potentiometer connected to the coupling; and a digital acquisition system connected to the potentiometer. The utility model is easy to install and does not need to consider the problem of differences in the fuel adjustment positions of different engines; the angle value of the fuel adjustment rotation has feedback, and the digital acquisition system directly records the real value of the fuel adjustment rotation rather than the indirect value, thereby improving the accuracy of throttle angle measurement and control.

[0004] The overall structure of the above patent contains multiple components, and the final throttle angle can only be obtained through mechanical linkage between the components. The entire measurement process needs to ensure the precision of each component, which may make maintenance and repair relatively complicated. The failure of each component may affect the operation of the entire system, resulting in inaccurate throttle angle measurement. Summary of the invention

[0005] The present application provides an engine throttle angle detection device, which realizes the detection of the engine throttle angle.

[0006] According to a first aspect of the present application, there is provided an engine throttle angle detection device, the device comprising:

[0007] An input shaft, one end of which is connected to the engine throttle and is used to obtain rotation information of the engine throttle;

[0008] Connecting part;

[0009] A mounting seat, wherein the connecting portion is mounted on one side of the mounting seat;

[0010] An absolute value encoder is mounted on the other side of the mounting base, and the absolute value encoder is connected to the input shaft through a connecting portion, and is used to generate a rotational electrical signal according to the rotational information;

[0011] The display is connected to the absolute value encoder for displaying the rotation angle of the engine throttle according to the rotation electrical signal.

[0012] Optionally, the connecting portion includes:

[0013] A first gear, the first gear being connected to an end of the input shaft away from an engine throttle;

[0014] a second gear, the second gear and the first gear meshing with each other;

[0015] Flexible coupling;

[0016] A connecting shaft, one end of which is connected to the elastic coupling, and the other end of which is connected to the second gear;

[0017] A driving shaft, one end of which is connected to the elastic coupling, and the other end of which is connected to the absolute encoder.

[0018] Optionally, the first gear has more teeth than the second gear.

[0019] Optionally, the device further comprises:

[0020] A connecting frame is installed on the mounting seat, a connecting shaft passes through the connecting frame and is connected with the elastic coupling, the connecting shaft is rotationally connected with the connecting frame, and the input shaft is rotationally connected with the connecting frame.

[0021] Optionally, the device further comprises:

[0022] Connector: The connector is installed on the absolute encoder, and the display is connected to the display by wire through the connector.

[0023] Optionally, the device further comprises:

[0024] A protective cover is formed with a receiving cavity inside the protective cover, a mounting seat cover is arranged at the opening of the receiving cavity, a connecting portion is arranged in the receiving cavity, and an input shaft passes through the protective cover and is connected with an engine throttle.

[0025] Optionally, the display comprises:

[0026] A signal processing module, the signal processing module is connected to the absolute value encoder and is used to generate an angle indication signal from the rotation electrical signal;

[0027] The display module is connected to the signal processing module and is used to display the rotation angle of the engine throttle according to the angle indication signal.

[0028] Optionally, the display module includes: any one of a pointer display module and a digital display module.

[0029] Optionally, the display further comprises:

[0030] The housing is provided with a placement cavity, and the signal processing module and the display module are both placed in the placement cavity;

[0031] A protection screen and a protection screen cover are arranged at the opening of the placement cavity to close the placement cavity.

[0032] Optionally, the display and the absolute encoder are connected for communication using RS485 communication.

[0033] The technical solution provided by the embodiments of the present application brings at least the following beneficial effects:

[0034] The embodiment of the present application provides an engine throttle angle detection device, which includes: an input shaft, a connecting part, a mounting seat, an absolute value encoder and a display, wherein one end of the input shaft is connected to the engine throttle for obtaining the rotation information of the engine throttle; the connecting part is mounted on one side of the mounting seat; the absolute value encoder is mounted on the other side of the mounting seat, and the absolute value encoder is connected to the input shaft through the connecting part for generating a rotation electrical signal according to the rotation information; the display is connected to the absolute value encoder for communication and is used to display the rotation angle of the engine throttle according to the rotation electrical signal. Based on this, through the indirect connection between the absolute value encoder and the engine throttle, the rotation information of the engine throttle can be obtained in real time and accurately, and converted into a rotation electrical signal, so that the display can display the rotation angle of the engine throttle according to the rotation electrical signal, thereby realizing the detection of the engine throttle angle. The absolute value encoder not only improves the monitoring accuracy of the engine throttle position, but also enables the control system to make more precise adjustments to the engine throttle based on these precise data, thereby optimizing fuel supply and improving engine performance. In addition, the absolute encoder has the characteristics of strong anti-interference ability and high data reliability, which can ensure accurate data transmission even in complex and changeable working environments, so that the entire fuel control system can use a unified power supply. This helps to improve the stability of the entire fuel control system and reduce system abnormalities caused by misjudgment or data loss.

[0035] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification are used to explain the principles of the present application, and do not constitute an improper limitation on the present application.

[0037] Figure 1 is a structural schematic diagram of an engine throttle angle detection device according to an exemplary embodiment;

[0038] Figure 2 The figure is a schematic diagram of the structure of a display in an engine throttle angle detection device according to an exemplary embodiment.

[0039] Legend:

[0040]

[0041] DETAILED DESCRIPTION

[0042] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the scheme of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0043] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure, but the present disclosure may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present disclosure, rather than all of the embodiments.

[0044] Based on this, the present application provides an engine throttle angle detection device. The following first introduces the engine throttle angle detection device provided in the embodiment of the present application.

[0045] Figure 1 A schematic diagram of the structure of an engine throttle angle detection device provided by an embodiment of the present application is shown; Figure 2 FIG. 1 is a schematic diagram showing the structure of a display in an engine throttle angle detection device provided by an embodiment of the present application. Figure 1-2 As shown, the engine throttle angle detection device may include the following structure:

[0046] Embodiment 1;

[0047] An input shaft 110, one end of which is connected to the engine throttle, for obtaining rotation information of the engine throttle;

[0048] Connecting portion 120;

[0049] A mounting base 130, wherein the connecting portion 120 is mounted on one side of the mounting base 130;

[0050] An absolute value encoder 140, which is mounted on the other side of the mounting seat 130, and is connected to the input shaft 110 through the connecting portion 120, and is used to generate a rotational electrical signal according to the rotational information;

[0051] The display 150 is in communication connection with the absolute encoder 140 and is used for displaying the rotation angle of the engine throttle according to the rotation electrical signal.

[0052] A connecting portion 120 is installed on one side of the mounting base 130, and an absolute value encoder 140 is installed on the other side of the mounting base 130, and the input shaft 110 can be connected to the absolute value encoder 140 through the connecting portion 120, and the input shaft 110 is connected to the engine throttle. The input shaft 110 can rotate at the same time as the engine throttle rotates, thereby obtaining the rotation information of the engine throttle. After the input shaft 110 obtains the rotation information, it drives the connecting portion 120 to rotate and transmits the rotation information, so that the connecting portion 120 transmits the rotation information to the absolute value encoder 140, thereby the absolute value encoder 140 can generate a rotation electrical signal according to the rotation information, and can transmit the rotation electrical signal to the display 150 by communicating with the display 150, and the display 150 analyzes the rotation electrical signal to display the rotation angle of the engine throttle.

[0053] Based on this, through the indirect connection between the absolute value encoder 140 and the engine throttle, the rotation information of the engine throttle can be obtained in real time and accurately, and converted into a rotation electrical signal, so that the display 150 can display the rotation angle of the engine throttle according to the rotation electrical signal, thereby realizing the detection of the engine throttle angle. The absolute value encoder 140 not only improves the monitoring accuracy of the engine throttle position, but also enables the control system to make more precise adjustments to the engine throttle based on these precise data, thereby optimizing fuel supply and improving engine performance. In addition, the absolute value encoder 140 has the characteristics of strong anti-interference ability and high data reliability, and can ensure accurate data transmission even in a complex and changeable working environment, thereby allowing the entire fuel control system to use a unified power supply. This helps to improve the stability of the entire fuel control system and reduce system abnormalities caused by misjudgment or data loss.

[0054] In one example, the display 150 and the absolute encoder 140 may be connected to each other by wired communication or wireless communication.

[0055] Specifically, in order to ensure the stability and confidentiality of signal transmission during communication, the display 150 and the absolute encoder 140 are connected to each other via wired communication.

[0056] More specifically, the display 150 and the absolute encoder 140 are connected in communication via RS485 communication. Since RS485 communication uses differential signal transmission, it can effectively suppress common-mode interference and ensure stable data transmission.

[0057] In one example, the connection portion 120 may include:

[0058] A first gear 121, the first gear 121 is connected to an end of the input shaft 110 away from the engine throttle;

[0059] A second gear 122, the second gear 122 and the first gear 121 are meshed with each other;

[0060] Elastic coupling 123;

[0061] A connecting shaft 124, one end of the connecting shaft 124 is connected to the elastic coupling 123, and the other end of the connecting shaft 124 is connected to the second gear 122;

[0062] The driving shaft 125 has one end connected to the elastic coupling 123 , and the other end connected to the absolute encoder 140 .

[0063] By setting an elastic coupling 123, a connecting shaft 124 is set at one end of the elastic coupling 123 close to the input shaft 110, and a second gear 122 is connected to the connecting shaft 124. The first gear 121 is connected to one end of the input shaft 110 close to the connecting shaft 124. The first gear 121 and the second gear 122 are meshed, so that the input shaft 110 can drive the elastic coupling 123 to rotate through the connecting shaft 124, thereby completing the transmission of rotation information. The elastic coupling 123 is connected to the absolute encoder 140 through the drive shaft 125, so that the rotation information can be transmitted to the absolute encoder 140.

[0064] Based on this, the connecting shaft 124 and the input shaft 110 are meshed and connected with each other through the first gear 121 and the second gear 122. This design ensures the stability and reliability of the transmission. Through the precise gear ratio and meshing design, the efficiency and accuracy of power transmission can be ensured. And the elastic coupling 123 is connected between the connecting shaft 124 and the drive shaft 125, which can effectively absorb and reduce the relative movement caused by slight deviation, vibration or vibration between the shafts. This helps to protect the various components in the connecting part 120 and reduce wear and failure caused by vibration and impact.

[0065] Moreover, in an eccentric engine, due to the special structure of the engine itself, it is difficult for the input shaft 110 and the connecting shaft 124 to be completely coaxial. Therefore, by designing them to be non-coaxial, the influence of the misalignment of the shaft system of the input shaft 110 and the connecting shaft 124 can be reduced to a certain extent, thereby reducing the angular error caused thereby.

[0066] More specifically, the first gear 121 has more teeth than the second gear 122. Therefore, according to the basic principle of gear transmission, when the two gears are meshed with each other, if the large gear (first gear 121) drives the small gear (second gear 122) to rotate, the speed of the small gear will be faster than that of the large gear. This is because the small gear has fewer teeth. In order to match the number of teeth of the large gear, the small gear must rotate at a faster speed. As the speed of the small gear (second gear 122) increases, the response speed of the entire connecting part 120 will also increase accordingly. This is beneficial for control systems that require fast response.

[0067] In one example, the engine throttle angle detection device 100 may further include:

[0068] The connecting frame 160 is installed on the mounting seat 130 , the connecting shaft 124 passes through the connecting frame 160 and is connected to the elastic coupling 123 , the connecting shaft 124 is rotationally connected to the connecting frame 160 , and the input shaft 110 is rotationally connected to the connecting frame 160 .

[0069] By setting up the connecting frame 160, the connecting frame 160 is installed on the mounting seat 130, and the connecting shaft 124 can pass through the connecting frame 160 to be connected to the elastic coupling 123, and the connecting shaft 124 is rotationally connected to the connecting frame 160 to avoid interference between the connecting frame 160 and the connecting shaft 124. At the same time, the input shaft 110 is rotationally connected to the connecting frame 160, which can not only ensure the stable installation of the input shaft 110, but also enable the input shaft 110 to rotate normally.

[0070] Embodiment 2:

[0071] In this embodiment, the engine throttle angle detection device 100 may further include:

[0072] The connector 170 is mounted on the absolute encoder 140, and the display 150 is connected to the display 150 by wire through the connector 170. Thus, by providing the connector on the absolute encoder 140, it is convenient for the cable to realize the wired connection between the absolute encoder 140 and the display 150 through the connector 170.

[0073] In one example, the engine throttle angle detection device 100 may further include:

[0074] The protective cover 180 has a receiving cavity 181 formed inside the protective cover 180, the mounting seat 130 is covered at the opening of the receiving cavity 181, the connecting portion 120 is arranged in the receiving cavity 181, and the input shaft 110 passes through the protective cover 180 and is connected to the engine throttle. By providing the protective cover 180 and covering the mounting seat 130 at the opening of the receiving cavity 181, the connecting portion 120 can be placed in the receiving cavity 181 and protected by the protective cover 180, thereby reducing the possibility of damage to the connecting portion 120 and improving the structural stability of the connecting portion 120.

[0075] In the above-mentioned embodiment 2, each structure in the above-mentioned embodiment 1 is included, and each process in the above-mentioned embodiment 1 can be implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0076] Embodiment 3:

[0077] In one example, the display 150 includes:

[0078] A signal processing module 151, which is connected to the absolute value encoder 140 and is used to generate an angle indication signal from the rotation electrical signal;

[0079] The display module 152 is connected to the signal processing module 151 and is used to display the rotation angle of the engine throttle according to the angle indication signal.

[0080] Based on this, the signal processing module 151 is connected to the absolute value encoder 140 to receive the rotational electrical signal sent by the absolute value encoder 140, thereby analyzing the rotational electrical signal to generate an angle indication signal, so that the angle indication signal can be sent to the display module 152, so that the display module 152 displays the rotation angle corresponding to the angle indication signal according to the correspondence between the preset angle indication signal and the preset rotation angle.

[0081] In one example, the display module 152 includes: any one of a pointer display module 152 and a digital display module 152 .

[0082] In one example, the display 150 further includes:

[0083] The housing 153 is provided with a placement cavity 154, and the signal processing module 151 and the display module 152 are both placed in the placement cavity 154;

[0084] The protective screen 155 is covered at the opening of the placement cavity 154 to close the placement cavity 154 .

[0085] A shell 153 is provided, and a placement cavity 154 is formed in the shell 153 to protect the signal processing module 151 and the display module 152, thereby reducing the possibility of damage to the signal processing module 151 and the display module 152. In addition, a protective screen 155 is provided at the opening of the placement cavity 154, and the placement cavity 154 is closed by the protective screen 155, thereby better protecting the signal processing module 151 and the display module 152. Moreover, the protective screen 155 is a transparent protective screen 155, and the user can read the rotation angle on the display module 152 through the protective screen 155.

[0086] In one example, the display module 152 further includes a zeroing button, and any rotation angle can be set to zero by operating the zeroing button.

[0087] In the above-mentioned embodiment 3, each structure in the above-mentioned embodiment 1 and / or 2 is included, and each process in the above-mentioned embodiment 1 / or 2 can be implemented, and the same technical effect can be achieved. In order to avoid repetition, it will not be repeated here.

[0088] The above is only a specific implementation of the present application. Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working processes of the systems, modules and units described above can refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here. It should be understood that the protection scope of the present application is not limited to this. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application.

Claims

1. An engine throttle angle detection device, characterized in that: The device comprises: An input shaft, one end of which is connected to the engine throttle and is used to obtain rotation information of the engine throttle; Connecting part; A mounting seat, wherein the connecting portion is mounted on one side of the mounting seat; an absolute value encoder, the absolute value encoder being mounted on the other side of the mounting seat, the absolute value encoder being connected to the input shaft through the connecting portion, and being used for generating a rotational electrical signal according to the rotational information; A display is communicatively connected to the absolute value encoder and is used to display the rotation angle of the engine throttle according to the rotation electrical signal.

2. The device according to claim 1, characterized in that The connecting portion comprises: a first gear connected to an end of the input shaft away from the engine throttle; a second gear, the second gear meshing with the first gear; Flexible coupling; A connecting shaft, one end of which is connected to the elastic coupling, and the other end of which is connected to the second gear; A driving shaft, one end of which is connected to the elastic coupling, and the other end of which is connected to the absolute encoder.

3. The device according to claim 2, characterized in that The first gear has more teeth than the second gear.

4. The device according to claim 2, characterized in that The device also includes: A connecting frame, wherein the connecting frame is mounted on the mounting seat, the connecting shaft passes through the connecting frame and is connected to the elastic coupling, the connecting shaft is rotationally connected to the connecting frame, and the input shaft is rotationally connected to the connecting frame.

5. The device according to claim 1, characterized in that The device also includes: A connector is installed on the absolute value encoder, and the display is connected to the display by wire through the connector.

6. The device according to claim 1, characterized in that The device also includes: A protective cover is provided with a receiving cavity inside the protective cover, the mounting seat cover is arranged at the opening of the receiving cavity, the connecting portion is arranged in the receiving cavity, and the input shaft passes through the protective cover and is connected with the engine throttle.

7. The device according to claim 1, characterized in that The display comprises: A signal processing module, the signal processing module is connected to the absolute value encoder and is used to generate an angle indication signal from the rotation electrical signal; A display module is connected to the signal processing module and is used to display the rotation angle of the engine throttle according to the angle indication signal.

8. The device according to claim 7, characterized in that The display module includes: any one of a pointer display module and a digital display module.

9. The device according to claim 7, characterized in that The display further comprises: A housing, wherein the housing is provided with a placement cavity, and the signal processing module and the display module are both placed in the placement cavity; A protection screen is provided at the opening of the placement cavity to close the placement cavity.

10. The device according to any one of claims 1 to 9, characterized in that The display and the absolute value encoder are connected for communication using RS485 communication mode.

Images