CN220730246U - Analog speed generator - Google Patents
Analog speed generator Download PDFInfo
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- CN220730246U CN220730246U CN202321760713.9U CN202321760713U CN220730246U CN 220730246 U CN220730246 U CN 220730246U CN 202321760713 U CN202321760713 U CN 202321760713U CN 220730246 U CN220730246 U CN 220730246U
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- speed sensor
- speed
- generator
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- 238000001514 detection method Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 230000005693 optoelectronics Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012795 verification Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses an analog speed generator, which comprises a shell, a motor, a rotating piece, a detection module, a driving module, a control module and a power module, wherein the shell is composed of a base and a cover body arranged on the base; the cover body is provided with a mounting hole and a connecting component for mounting the speed sensor; the size of the mounting hole is matched with the size of the speed sensor; the motor is arranged on the base of the shell through a motor base, an output shaft of the motor is connected with the rotating piece, and a control end of the motor is electrically connected with the driving module; the control module is electrically connected with the detection module and the driving module respectively. The utility model starts the simulated speed generator to work so as to simulate the wheel set speed as long as the speed sensor is close to the rotating piece, thereby realizing the automatic control of the verification of the configuration and installation correctness of the speed sensor.
Description
Technical Field
The utility model belongs to the technical field of rail transit, and particularly relates to a simulated speed generator for an air brake system of a rail vehicle, which is used for simulating wheel set rotation of the rail vehicle under a static working condition to detect the correctness of speed sensor configuration and installation.
Background
Each shaft end of the railway vehicle is provided with a speed sensor for a braking system, and the braking anti-skid control system controls the braking force by utilizing the collected speed signals. If the speed sensor is connected in a wrong way, abnormal braking force control is caused when the skid resistance occurs, namely, the axle of the vehicle detected to slide is inconsistent with the axle actually controlled when the adhesion of the wheel rail is low, so that the situation of wheel wiping or wheel axle locking occurs.
Disclosure of Invention
The utility model aims to provide a simulated speed generator, which is characterized in that a speed sensor arranged at the shaft end is detached and arranged on the simulated speed generator under a static working condition, the simulated speed generator simulates the rotation of a wheel set of a railway vehicle to detect the correctness of the configuration of the speed sensor, and the scratch accident of the wheel set caused by the misconnection of the speed sensor is avoided.
The utility model solves the technical problems by the following technical scheme: an analog speed generator comprising:
the shell comprises a base and a cover body arranged on the base; the cover body is provided with a mounting hole and a connecting component for mounting the speed sensor; the size of the mounting hole is matched with the size of the speed sensor;
the motor is arranged on the base;
the rotating piece is connected with the output shaft of the motor and is positioned below the mounting hole;
a detection module for detecting whether the speed sensor is close to the rotating member;
the driving module is electrically connected with the motor;
the control module is respectively and electrically connected with the detection module and the driving module;
and the power supply module is used for supplying power.
Further, the rotating member is a gear.
Further, the driving module is a relay module, and the relay module comprises a first terminal row, a photoelectric coupling switch, a triode, a relay and a second terminal row; the input end of the first terminal row is connected with a power supply, and the output end of the first terminal row is connected with the input end of the photoelectric coupling switch; the output end of the photoelectric coupling switch is connected with the relay through the base electrode and the collector electrode of the triode, and the relay is connected with the second terminal strip.
Further, the power module is a lithium titanate battery pack.
Further, the detection module is a proximity sensor or an optoelectronic proximity sensor, and the proximity sensor or the optoelectronic proximity sensor is arranged on the side wall of the base.
Further, a first observation hole for observing the indicator light on the proximity sensor is formed in the base.
Further, a second observation hole for observing the interval between the speed sensor and the rotating member is formed in the cover body.
Further, the connecting component is an adjustable connecting component, and the adjustable connecting component comprises a first threaded connecting column, a first nut arranged on the first threaded connecting column, a second threaded connecting column and a second nut arranged on the second threaded connecting column.
Further, a self-locking button for controlling whether the power supply module supplies power is arranged on the base.
Advantageous effects
Compared with the prior art, the utility model has the advantages that:
according to the simulated speed generator provided by the utility model, under a static working condition, a speed sensor at the shaft end is detached (only the installation position is changed, the electric connection relation is unchanged), and the speed sensor is installed on the cover body through the connection assembly, so that a probe of the speed sensor passes through the installation hole and is positioned above the rotating piece; when the detection module detects that the probe is close to the rotating piece, the control module controls the motor to work through the driving module, the motor drives the rotating piece to rotate to simulate the wheel set to rotate, the speed sensor detects the rotation of the rotating piece, and when the vehicle control unit receives a speed signal of the speed sensor, the speed sensor is correctly configured and installed; when the vehicle control unit does not receive the speed signal of the speed sensor, indicating a communication line fault or a probe fault;
the speed sensor is close to the rotating piece, so that the speed sensor can start the speed simulation generator to work to simulate the speed, automatic control is realized, and electric energy is saved; the self-locking button is adopted to control the power supply of the power supply module, and the power supply is cut off when the power supply module does not work, so that the safety is ensured; the utility model has simple structure and convenient operation.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawing in the description below is only one embodiment of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an analog velocity generator in accordance with an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the installation of a speed sensor on an analog speed generator in an embodiment of the utility model;
FIG. 3 is a schematic diagram of the operation of an analog speed generator in an embodiment of the utility model;
fig. 4 is a schematic circuit diagram of a relay module according to an embodiment of the present utility model.
The lithium titanate battery pack comprises a 1-cover body, a 11-first threaded connecting column, a 12-first nut, a 13-second threaded connecting column, a 14-second nut, a 15-second observation hole, a 16-mounting hole, a 2-base, a 21-first observation hole, a 3-proximity sensor, a 4-motor, a 5-motor base, a 6-gear, a 7-relay module, an 8-self-locking button, a 9-lithium titanate battery pack and a 10-speed sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully by reference to the accompanying drawings, in which it is shown, however, only some, but not all embodiments of the utility model. 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.
As shown in fig. 1, the analog speed generator provided by the embodiment of the utility model comprises a housing formed by a base 2 and a cover 1 arranged on the base 2, a motor 4, a rotating member, a detection module, a driving module, a control module and a power module. The cover body 1 is provided with a mounting hole 16 for mounting the speed sensor 10 and a connecting component; the size of the mounting hole 16 matches the size of the speed sensor 10 so that the probe of the speed sensor 10 passes through the mounting hole 16 and is adjacent to the rotating member; the motor 4 is arranged on the base 2 of the shell through a motor base 5, an output shaft of the motor 4 is connected with the rotating piece, and a control end of the motor 4 is electrically connected with the driving module; the control module is electrically connected with the detection module and the driving module respectively.
In a static condition, the speed sensor 10 at the axle end of the railway vehicle is detached (only the installation position is changed, the electric connection relation is not changed), and is installed on the cover body 1 through the connection assembly, and the probe of the speed sensor 10 passes through the installation hole 16 and is located above the rotating member, as shown in fig. 2. As shown in fig. 3, the lithium battery pack 9 is powered, the self-locking button 8 controls the power input, when the detection module (for example, the proximity sensor 3) detects that the probe of the speed sensor 10 is close to the rotating member, the control module controls the motor 4 to work through the driving module, the motor 4 drives the rotating member to rotate so as to simulate the rotation of the wheel set, the speed sensor 10 detects the rotation of the rotating member, and when the vehicle control unit (or other control units on the vehicle) receives the speed signal of the speed sensor 10, the speed sensor 10 is correctly configured and installed; when the vehicle control unit (or other control unit on the vehicle) does not receive the speed signal of the speed sensor 10, a communication line fault or probe fault is indicated. The simulated speed generator can simulate the wheel set rotation of the railway vehicle, and the accuracy of the configuration and installation of the speed sensor 10 is verified by detecting the rotation speed of the rotating member through the speed sensor 10.
In one embodiment of the utility model, the rotating member is a gear 6, the driving module is a relay module 7, and the relay module 7 comprises a first terminal row J49, a photoelectric coupling switch U9, a triode Q13, a relay LS3 and a second terminal row J50; the input end of the first terminal row J49 is connected with a power supply, and the output end of the first terminal row J is connected with the input end of the photoelectric coupling switch U9; the output end of the photoelectric coupling switch U9 is connected with the relay LS13 through the base electrode and the collector electrode of the triode Q13, and the relay LS13 is connected with the second terminal block J50. The schematic circuit diagram of the relay module 7 is shown in fig. 4.
In one embodiment of the present utility model, the detection module is a proximity sensor 3 or an optoelectronic proximity sensor, and the proximity sensor 3 or the optoelectronic proximity sensor is disposed on a side wall of the base 2. By way of example, the proximity sensor 3 may be a square column standard type proximity sensor, such as a proximity switch of model C-Q17-N01, with a detection distance of 5mm, with an indicator light. The first observation hole 21 is formed in the base 2, so that the indicator lamp on the proximity sensor 3 can be observed conveniently, and the working condition of the proximity sensor 3 can be known (the indicator lamp is lightened when the proximity sensor 3 works).
In one embodiment of the present utility model, a second observation hole 15 for observing the distance between the speed sensor 10 and the rotating member is provided in the cover 1.
In one embodiment of the utility model, the power module is a lithium titanate battery pack 9 that provides power to the entire analog speed generator. And the rechargeable battery pack is adopted, so that the service life of the battery is prolonged.
In one embodiment of the utility model, a self-locking button 8 is provided on the base for controlling whether the power module is powered.
In one embodiment of the present utility model, the adjustable connection assembly includes a first threaded connection post 11, a first nut 12 disposed on the first threaded connection post 11, a second threaded connection post 13, and a second nut 14 disposed on the second threaded connection post 13. As shown in fig. 2, two mounting holes on the speed sensor 10 are respectively sleeved on the first threaded connecting column 11 and the second threaded connecting column 13, and then the distance between the speed sensor 10 and a rotating piece (for example, the gear 6) is adjusted through the first nut 12 and the second nut 14 so as to adapt to the probe heights of different speed sensors. Illustratively, the first threaded connection post 11 and the second threaded connection post 13 are threaded posts having a height of 60mm and a diameter of M6, the distance between the two threaded posts is 42mm (to accommodate the distance between the two mounting holes on the speed sensor 10), the first nut 12 and the second nut 14 are nuts m6×1.5, and the positions of the first nut and the second nut on the threaded posts are changed to change the distance between the speed sensor and the rotating member.
The foregoing disclosure is merely illustrative of specific embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will readily recognize that changes and modifications are possible within the scope of the present utility model.
Claims (9)
1. An analog velocity generator, comprising:
the shell comprises a base and a cover body arranged on the base; the cover body is provided with a mounting hole and a connecting component for mounting the speed sensor; the size of the mounting hole is matched with the size of the speed sensor;
the motor is arranged on the base;
the rotating piece is connected with the output shaft of the motor and is positioned below the mounting hole;
a detection module for detecting whether the speed sensor is close to the rotating member;
the driving module is electrically connected with the motor;
the control module is respectively and electrically connected with the detection module and the driving module;
and the power supply module is used for supplying power.
2. A simulated speed generator as claimed in claim 1 wherein said rotating member is a gear.
3. The analog speed generator according to claim 1, wherein the driving module is a relay module including a first terminal block, a photoelectric coupling switch, a triode, a relay, and a second terminal block; the input end of the first terminal row is connected with a power supply, and the output end of the first terminal row is connected with the input end of the photoelectric coupling switch; the output end of the photoelectric coupling switch is connected with the relay through the base electrode and the collector electrode of the triode, and the relay is connected with the second terminal strip.
4. The analog speed generator of claim 1, wherein the power module is a lithium titanate battery pack.
5. A simulated velocity generator as claimed in claim 1 wherein said detection module is a proximity sensor or an optoelectronic proximity sensor provided on a side wall of said base.
6. A simulated velocity generator as claimed in claim 5 wherein a first viewing aperture is provided in said base for viewing an indicator light on said proximity sensor.
7. A simulated velocity generator as claimed in claim 1 wherein a second viewing aperture is provided in said cover for viewing the spacing between the velocity sensor and the rotatable member.
8. The simulated velocity generator of claim 1 wherein said connection assembly is an adjustable connection assembly comprising a first threaded connection post, a first nut disposed on said first threaded connection post, a second nut disposed on said second threaded connection post.
9. A simulated velocity generator as claimed in claim 1 wherein a self-locking button is provided on said base for controlling whether said power module is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760713.9U CN220730246U (en) | 2023-07-06 | 2023-07-06 | Analog speed generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760713.9U CN220730246U (en) | 2023-07-06 | 2023-07-06 | Analog speed generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220730246U true CN220730246U (en) | 2024-04-05 |
Family
ID=90494220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321760713.9U Active CN220730246U (en) | 2023-07-06 | 2023-07-06 | Analog speed generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220730246U (en) |
-
2023
- 2023-07-06 CN CN202321760713.9U patent/CN220730246U/en active Active
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