CN220322390U - Mirror image linear type dual-redundancy sensor - Google Patents
Mirror image linear type dual-redundancy sensor Download PDFInfo
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- CN220322390U CN220322390U CN202322000769.0U CN202322000769U CN220322390U CN 220322390 U CN220322390 U CN 220322390U CN 202322000769 U CN202322000769 U CN 202322000769U CN 220322390 U CN220322390 U CN 220322390U
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Abstract
The utility model discloses a mirror image linear dual-redundancy sensor, which comprises a shell, a resistor element, an electric brush guide sliding block assembly and a connecting shaft, wherein the resistor element is arranged on the shell; the resistor element comprises a first middle conduction band component, a first resistor band component, a second resistor band component and a second middle conduction band component; the electric brush guide sliding block assembly comprises a connecting substrate, a first electric brush assembly and a second electric brush assembly; the two ends of the first electric brush component are respectively in sliding fit with the first middle conduction band component and the first resistor band component, and the two ends of the second electric brush component are respectively in sliding fit with the second middle conduction band component and the second resistor band component; the first middle conduction band component and the second middle conduction band component are arranged in a mirror image mode and have the same structure; the first resistor band component and the second resistor band component are arranged in a mirror image mode and are identical in structure. The utility model effectively improves measurement and control precision and stability of data, and has simple structure, convenient installation and debugging and high reliability.
Description
Technical Field
The utility model relates to the technical field of linear displacement sensors, in particular to a mirror image linear dual-redundancy sensor.
Background
The rapid development of unmanned aerial vehicles requires that a control system of the unmanned aerial vehicle has high precision, high sensitivity, high reliability and high anti-interference capability, an electric steering engine in a rudder surface servo action system of the unmanned aerial vehicle is one of important components of a flight control system, the dynamic and static characteristics of the steering engine directly influence the control performance of the unmanned aerial vehicle, and a sensor is an important sensing component of the electric steering engine. The traditional single rudder loop sensor has a new breakthrough in task reliability and anti-interference capability.
In the prior art, a linear dual-redundancy sensor is disclosed in Chinese patent publication No. CN212779151U, but a common dual-redundancy sensor is generally designed by adopting dual resistors, and due to the technical structural characteristics of the sensor, the working parameters of two resistors are very difficult to be completely identical, so that the difference exists between the standard zero positions of the two resistors, and meanwhile, the deviation exists between the synchronous performance indexes of the two signals, the measurement accuracy of the sensor is affected, the stability and the reliability of data are improved, and the anti-interference capability of the sensor is not strong due to the adoption of a resistor split structure.
Therefore, how to provide a dual redundancy sensor with high accuracy, good data stability and certain anti-interference capability is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to provide a mirror image linear dual-redundancy sensor, which aims to solve or improve at least one of the technical problems.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a mirror image linear dual-redundancy sensor, which comprises:
the shell is provided with a chute;
the resistor element comprises a first middle conduction band assembly, a first resistor band assembly, a second resistor band assembly and a second middle conduction band assembly which are sequentially arranged on the inner bottom wall of the shell;
the electric brush guide sliding block assembly comprises a connecting substrate, a first electric brush assembly and a second electric brush assembly; the first electric brush assembly and the second electric brush assembly are both arranged on the connecting substrate, and the connecting substrate is connected with the inner cavity of the shell in a sliding way; the two ends of the first electric brush component are respectively in sliding fit with the first middle conduction band component and the first resistor band component, and the two ends of the second electric brush component are respectively in sliding fit with the second middle conduction band component and the second resistor band component;
the connecting shaft is arranged on the connecting substrate; the connecting shaft is in sliding connection with the sliding chute, and the top of the connecting shaft extends out of the shell;
the first middle conduction band component and the second middle conduction band component are arranged in a mirror image mode and have the same structure; the first resistance belt component and the second resistance belt component are arranged in a mirror image mode and have the same structure; and power supplies are respectively connected between the first resistance band assembly and the first electric brush assembly and between the second resistance band assembly and the second electric brush assembly.
According to the mirror image linear dual redundancy sensor provided by the utility model, the first resistor band assembly comprises a first resistor band arranged on the inner bottom wall of the shell; one end of the first resistance band is provided with a first bonding pad through a first zero stop band, and the other end of the first resistance band is provided with a fourth bonding pad through a fourth zero stop band;
the second resistor string assembly includes a second resistor string mounted on the bottom wall within the housing; one end of the second resistance band is provided with a second bonding pad through a second zero stop band, and the other end of the second resistance band is provided with a fifth bonding pad through a fifth zero stop band;
the first brush assembly is in sliding fit with the first resistor strip, and the second brush assembly is in sliding fit with the first resistor strip; the first middle conduction band assembly, the first resistance band, the second resistance band and the second middle conduction band assembly are sequentially arranged on the inner bottom wall of the shell; the first resistance belt and the second resistance belt are arranged in a mirror image mode and have the same structure;
the power supply is respectively connected between the fourth bonding pad and the first brush component and between the fifth bonding pad and the second brush component.
According to the mirror image linear dual-redundancy sensor provided by the utility model, the first middle conduction band assembly comprises a first middle conduction band arranged on the inner bottom wall of the shell, and a third bonding pad is arranged at one end of the first middle conduction band through a third zero stop band;
the second middle conduction band assembly comprises a second middle conduction band arranged on the inner bottom wall of the shell, and one end of the second middle conduction band is provided with a sixth bonding pad through a sixth zero stop band;
the two ends of the first electric brush component are respectively in sliding fit with the first middle conduction band and the first resistance band, and the two ends of the second electric brush component are respectively in sliding fit with the second middle conduction band and the second resistance band;
the first middle conduction band and the second middle conduction band are arranged in a mirror image mode and have the same structure; the first resistive strip and the second resistive strip are located between the first mid-conduction band and the second mid-conduction band.
According to the mirror image linear dual-redundancy sensor provided by the utility model, the first electric brush assembly comprises a third electric brush and a fourth electric brush which are electrically connected with each other, and the second electric brush assembly comprises a first electric brush and a second electric brush which are electrically connected with each other; the first electric brush, the second electric brush, the third electric brush and the fourth electric brush are all arranged on the connecting substrate;
the first electric brush, the second electric brush, the third electric brush and the fourth electric brush are respectively in sliding fit with the second middle conduction band, the second resistance band, the first resistance band and the first middle conduction band;
a seventh bonding pad is arranged between the first electric brush and the second electric brush; an eighth bonding pad is arranged between the third electric brush and the fourth electric brush; the power supply is respectively connected between the fourth bonding pad and the eighth bonding pad, and between the fifth bonding pad and the seventh bonding pad.
According to the mirror image linear dual-redundancy sensor provided by the utility model, the power supply adopts a direct-current stabilized voltage supply.
According to the mirror image linear dual-redundancy sensor provided by the utility model, the two ends of the shell are respectively detachably connected with the first end cover and the second end cover.
According to the mirror image linear dual-redundancy sensor provided by the utility model, the torsion preventing part is arranged on the connecting shaft.
The utility model discloses the following technical effects:
according to the utility model, the group of resistor elements is arranged on the shell, the first middle conduction band component and the second middle conduction band component in the resistor elements, and the first resistor band component and the second resistor band component are mirror images and have the same structure, so that the measurement precision of the existing dual-redundancy sensor and the stability of data provision are improved, and the problems that the synchronous signal, the anti-interference capability and the like of the dual-redundancy sensor in the prior art influence the measurement and control precision of the dual-redundancy sensor and the stability and reliability of the data provision are solved.
The utility model has simple structure, convenient installation and debugging, mirror images of the first middle conduction band assembly and the second middle conduction band assembly, and the first resistance band assembly and the second resistance band assembly, has the same structure, extremely high position indication precision and stable working performance, and effectively compensates the influence of the existing dual-redundancy sensor on the navigation of the unmanned aerial vehicle due to the technical characteristics of the sensor, and the risk of uncertain chips of the steering engine encoder.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a mirrored linear dual-redundancy sensor according to the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic diagram of a resistor element according to the present utility model;
FIG. 4 is a schematic view of a brush guide slider assembly according to the present utility model;
wherein, 1, resistor element; 2. a first resistive band; 3. a first zero stop band; 4. a first bonding pad; 5. a second bonding pad; 6. a second zero stop band; 7. a second resistance band; 8. a first middle conduction band; 9. a third zero stop band; 10. a third bonding pad; 11. a fourth zero stop band; 12. a fourth pad; 13. a fifth zero stop band; 14. a fifth bonding pad; 15. a sixth bonding pad; 16. a sixth zero stop band; 17. a second middle conduction band; 18. a brush guide slider assembly; 19. a first end cap; 20. a second end cap; 21. a housing; 22. a connecting shaft; 28. a first brush; 29. a second brush; 30. a third brush; 31. a fourth brush; 32. a seventh bonding pad; 33. and an eighth pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the present utility model provides a mirrored linear dual-redundancy sensor comprising:
a shell 21, wherein a chute is formed in the shell 21;
the resistor element 1 comprises a first middle conduction band assembly, a first resistor band assembly, a second resistor band assembly and a second middle conduction band assembly which are sequentially arranged on the inner bottom wall of the shell 21;
a brush guide slider assembly 18 including a connection substrate, a first brush assembly, and a second brush assembly; the first brush assembly and the second brush assembly are both arranged on a connecting substrate, and the connecting substrate is connected with the inner cavity of the shell 21 in a sliding way; the two ends of the first electric brush component are respectively in sliding fit with the first middle conduction band component and the first resistor band component, and the two ends of the second electric brush component are respectively in sliding fit with the second middle conduction band component and the second resistor band component;
a connection shaft 22, the connection shaft 22 being mounted on the connection substrate; the connecting shaft 22 is in sliding connection with the chute, and the top of the connecting shaft 22 extends out of the shell 21;
the first middle conduction band component and the second middle conduction band component are arranged in a mirror image mode and have the same structure; the first resistance belt component and the second resistance belt component are arranged in a mirror image mode and have the same structure; a power supply is respectively connected between the first resistance belt assembly and the first electric brush assembly and between the second resistance belt assembly and the second electric brush assembly;
in this embodiment, the whole casing 21 has a rectangular parallelepiped structure, a space rectangular coordinate system is established with the center point of the casing 21 as the origin o, and the length direction of the casing 21 is set to be the X-axis, the width direction is set to be the Y-axis, and the height direction is set to be the Z-axis; the XOZ plane is set to be a mirror plane,
the first middle conduction band component and the second middle conduction band component are arranged along a mirror image surface in a mirror image mode; the first resistance belt component and the second resistance belt component are arranged along the mirror image surface;
the first middle conduction band component and the second middle conduction band component are identical in geometric dimension and identical in electrical parameter; the first resistance belt component and the second resistance belt component have the same geometric dimension and the same electrical parameters;
in this way, the resistor element 1 is arranged on the shell 21, and the first middle conduction band component and the second middle conduction band component, and the first resistor band component and the second resistor band component in the resistor element 1 are mirror images and have the same structure, so that the measurement precision of the existing dual-redundancy sensor and the stability of data provision are improved, and the problems that the measurement and control precision of the dual-redundancy sensor and the stability and reliability of the data provision are affected due to the fact that synchronous signals and anti-interference capability of the dual-redundancy sensor are poor in the prior art are solved.
The utility model has simple structure, convenient installation and debugging, mirror images of the first middle conduction band assembly and the second middle conduction band assembly, and the first resistance band assembly and the second resistance band assembly, has the same structure, extremely high position indication precision and stable working performance, and effectively compensates the influence of the existing dual-redundancy sensor on the navigation of the unmanned aerial vehicle due to the technical characteristics of the sensor, and the risk of uncertain chips of the steering engine encoder.
Further preferably, the first resistor string assembly includes a first resistor string 2 mounted on the inner bottom wall of the housing 21; one end of the first resistance band 2 is provided with a first bonding pad 4 through a first zero resistance band 3, and the other end is provided with a fourth bonding pad 12 through a fourth zero resistance band 11;
the second resistor string assembly includes a second resistor string 7 mounted on the inner bottom wall of the housing 21; one end of the second resistance band 7 is provided with a second bonding pad 5 through a second zero resistance band 6, and the other end is provided with a fifth bonding pad 14 through a fifth zero resistance band 13;
the effective electrical travel of the first resistance belt 2 and the second resistance belt 7 is 83mm plus or minus 1mm;
the first brush assembly is in sliding fit with the first resistance belt 2, and the second brush assembly is in sliding fit with the first resistance belt 2; the first middle conduction band assembly, the first resistance band 2, the second resistance band 7 and the second middle conduction band assembly are sequentially arranged on the inner bottom wall of the shell 21; the first resistance belt 2 and the second resistance belt 7 are arranged in a mirror image mode and have the same structure;
a power source is connected between the fourth pad 12 and the first brush assembly, and between the fifth pad 14 and the second brush assembly, respectively.
Further optimizing scheme, the first middle conduction band component comprises a first middle conduction band 8 arranged on the inner bottom wall of the shell 21, and one end of the first middle conduction band 8 is provided with a third bonding pad 10 through a third zero stop band 9;
the second middle conduction band assembly comprises a second middle conduction band 17 arranged on the inner bottom wall of the shell 21, and one end of the second middle conduction band 17 is provided with a sixth bonding pad 15 through a sixth zero stop band 16;
the two ends of the first brush component are respectively in sliding fit with the first middle conduction band 8 and the first resistance band 2, and the two ends of the second brush component are respectively in sliding fit with the second middle conduction band 17 and the second resistance band 7;
the first middle conduction band 8 and the second middle conduction band 17 are arranged in a mirror image mode and have the same structure; the first resistive strip 2 and the second resistive strip 7 are located between the first intermediate conduction band 8 and the second intermediate conduction band 17.
Further optimizing scheme, the first brush assembly comprises a third brush 30 and a fourth brush 31 which are electrically connected with each other, and the second brush assembly comprises a first brush 28 and a second brush 29 which are electrically connected with each other; the first brush 28, the second brush 29, the third brush 30, and the fourth brush 31 are all mounted on the connection substrate;
the first brush 28, the second brush 29, the third brush 30 and the fourth brush 31 are respectively in sliding fit with the second middle conduction band 17, the second resistance band 7, the first resistance band 2 and the first middle conduction band 8;
a seventh bonding pad 32 is arranged between the first brush 28 and the second brush 29; an eighth pad 33 is provided between the third brush 30 and the fourth brush 31; power supplies are connected between the fourth pad 12 and the eighth pad 33, and between the fifth pad 14 and the seventh pad 32, respectively;
so arranged, the voltage signal in the first resistance band 2 passes through the third brush 30, the fourth brush 31, the second middle conduction band 17, and a desired position signal is obtained at the sixth bonding pad 15;
the voltage signal in the second resistance band 7 passes through the second brush 29, the first brush 28 and the first middle conduction band 8, and a required position signal is obtained at the third bonding pad 10; the two position signals are mirror images of each other.
Further optimizing scheme, the effective electric travel of the second electric brush 29 working on the second resistance belt 7 is 83mm plus or minus 1mm; the first brush 28 follows the second brush 29.
Further optimizing scheme, the effective electric travel of the third electric brush 30 working on the first resistance belt 2 is 83mm plus or minus 1mm; the third brush 30 follows the fourth brush 31.
Further optimizing scheme, the power supply adopts a direct current stabilized voltage power supply.
In a further preferred embodiment, the two ends of the housing 21 are detachably connected with a first end cap 19 and a second end cap 20, respectively, and one end of the first end cap 19 is provided with an outgoing line, and the outgoing line is electrically connected with the resistor element 1.
The number of lead wires is 6, and the lead wires are connected to the pads 10, 12, 14, 15, 4, and 5 of the resistor element 1, respectively.
Further optimizing scheme, the connecting shaft 22 is provided with an anti-torsion part (not shown in the figure), and the anti-torsion part comprises an anti-torsion shell, a traction rod, a bearing and a fixing plate; the anti-torsion shell is a cylinder with connecting holes at two ends; a bearing is arranged in the mounting cavity which is communicated with the connecting hole, the bearing is sleeved on one end of the traction rod, and the other end of the traction rod extends out of the top of the mounting cavity to be connected with traction equipment; the bottom of the bearing is provided with a fixed plate which is fixed with the mounting cavity and is used for connecting the connecting shaft 22; the internal structure and the working principle of the anti-torsion portion are all of the prior art, and are not described herein, and the anti-torsion portion is used for reducing the influence of torque on the connecting shaft 22 in traction transmission.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. A mirrored linear dual-redundancy sensor, comprising:
the device comprises a shell (21), wherein a chute is formed in the shell (21);
the resistor element (1) comprises a first middle conduction band assembly, a first resistor band assembly, a second resistor band assembly and a second middle conduction band assembly which are sequentially arranged on the inner bottom wall of the shell (21);
an electric brush guide slide assembly (18) comprising a connection substrate, a first electric brush assembly and a second electric brush assembly; the first electric brush assembly and the second electric brush assembly are both arranged on the connecting substrate, and the connecting substrate is connected with the inner cavity of the shell (21) in a sliding way; the two ends of the first electric brush component are respectively in sliding fit with the first middle conduction band component and the first resistor band component, and the two ends of the second electric brush component are respectively in sliding fit with the second middle conduction band component and the second resistor band component;
a connection shaft (22), the connection shaft (22) being mounted on the connection substrate; the connecting shaft (22) is in sliding connection with the sliding groove, and the top of the connecting shaft (22) extends out of the shell (21);
the first middle conduction band component and the second middle conduction band component are arranged in a mirror image mode and have the same structure; the first resistance belt component and the second resistance belt component are arranged in a mirror image mode and have the same structure; and power supplies are respectively connected between the first resistance band assembly and the first electric brush assembly and between the second resistance band assembly and the second electric brush assembly.
2. The mirrored linear dual-redundancy sensor of claim 1, further comprising: the first resistor string assembly comprises a first resistor string (2) mounted on the inner bottom wall of the housing (21); one end of the first resistance band (2) is provided with a first bonding pad (4) through a first zero resistance band (3), and the other end of the first resistance band is provided with a fourth bonding pad (12) through a fourth zero resistance band (11);
the second resistor string assembly includes a second resistor string (7) mounted on the inner bottom wall of the housing (21); one end of the second resistance band (7) is provided with a second bonding pad (5) through a second zero resistance band (6), and the other end of the second resistance band is provided with a fifth bonding pad (14) through a fifth zero resistance band (13);
the first brush assembly is in sliding fit with the first resistance belt (2), and the second brush assembly is in sliding fit with the first resistance belt (2); the first middle conduction band assembly, the first resistance band (2), the second resistance band (7) and the second middle conduction band assembly are sequentially arranged on the inner bottom wall of the shell (21); the first resistance belt (2) and the second resistance belt (7) are arranged in a mirror image mode and have the same structure;
the power supply is respectively connected between the fourth bonding pad (12) and the first brush assembly and between the fifth bonding pad (14) and the second brush assembly.
3. The mirrored linear dual-redundancy sensor of claim 2, further comprising: the first middle conduction band assembly comprises a first middle conduction band (8) arranged on the inner bottom wall of the shell (21), and a third bonding pad (10) is arranged at one end of the first middle conduction band (8) through a third zero-stop band (9);
the second middle conduction band assembly comprises a second middle conduction band (17) arranged on the inner bottom wall of the shell (21), and a sixth bonding pad (15) is arranged at one end of the second middle conduction band (17) through a sixth zero stop band (16);
the two ends of the first electric brush component are respectively in sliding fit with the first middle conduction band (8) and the first resistance band (2), and the two ends of the second electric brush component are respectively in sliding fit with the second middle conduction band (17) and the second resistance band (7);
the first middle conduction band (8) and the second middle conduction band (17) are arranged in a mirror image mode and have the same structure; the first resistive strip (2) and the second resistive strip (7) are located between the first intermediate conductive strip (8) and the second intermediate conductive strip (17).
4. The mirrored linear dual-redundancy sensor of claim 3, further comprising: the first brush assembly comprises a third brush (30) and a fourth brush (31) which are electrically connected with each other, and the second brush assembly comprises a first brush (28) and a second brush (29) which are electrically connected with each other; the first brush (28), the second brush (29), the third brush (30) and the fourth brush (31) are all mounted on the connection substrate;
the first electric brush (28), the second electric brush (29), the third electric brush (30) and the fourth electric brush (31) are respectively in sliding fit with the second middle conduction band (17), the second resistance band (7), the first resistance band (2) and the first middle conduction band (8);
a seventh bonding pad (32) is arranged between the first electric brush (28) and the second electric brush (29); an eighth bonding pad (33) is arranged between the third electric brush (30) and the fourth electric brush (31); the power supply is connected between the fourth pad (12) and the eighth pad (33), and between the fifth pad (14) and the seventh pad (32).
5. The mirrored linear dual-redundancy sensor according to any one of claims 1-4, characterized in that: the power supply adopts a direct current stabilized voltage power supply.
6. The mirrored linear dual-redundancy sensor of claim 1, further comprising: the two ends of the shell (21) are detachably connected with a first end cover (19) and a second end cover (20) respectively.
7. The mirrored linear dual-redundancy sensor of claim 1, further comprising: the connecting shaft (22) is provided with an anti-torsion part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322000769.0U CN220322390U (en) | 2023-07-27 | 2023-07-27 | Mirror image linear type dual-redundancy sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322000769.0U CN220322390U (en) | 2023-07-27 | 2023-07-27 | Mirror image linear type dual-redundancy sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322390U true CN220322390U (en) | 2024-01-09 |
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ID=89416825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322000769.0U Active CN220322390U (en) | 2023-07-27 | 2023-07-27 | Mirror image linear type dual-redundancy sensor |
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| Country | Link |
|---|---|
| CN (1) | CN220322390U (en) |
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2023
- 2023-07-27 CN CN202322000769.0U patent/CN220322390U/en active Active
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