CN214084273U - Wireless wheel sensor monitoring system - Google Patents
Wireless wheel sensor monitoring system Download PDFInfo
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- CN214084273U CN214084273U CN202022768831.7U CN202022768831U CN214084273U CN 214084273 U CN214084273 U CN 214084273U CN 202022768831 U CN202022768831 U CN 202022768831U CN 214084273 U CN214084273 U CN 214084273U
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Abstract
The utility model discloses a wheel sensor monitoring system, including installing wireless wheel sensor on the train track, installing the receiving arrangement at surveying the station, wireless wheel sensor includes first control unit, magnetic induction unit, signal acquisition unit, first wireless transmission unit, and receiving arrangement includes second control unit, second wireless transmission unit; the magnetic induction unit is electrically connected with the signal acquisition unit, the first wireless transmission unit is wirelessly connected with the second wireless transmission unit, the signal acquisition unit and the first wireless transmission unit are respectively electrically connected with the first control unit, and the second control unit is electrically connected with the second wireless transmission unit. The magnetic induction unit sends a voltage signal generated by the wheel rim through the change of the induced magnetic field to the signal acquisition unit, and the voltage signal is processed and shaped into a pulse signal and sent to the first control unit; the first wireless transmission unit wirelessly transmits the information to the second control unit via the second wireless transmission unit.
Description
Technical Field
The utility model relates to a wheel sensor technical field, concretely relates to wireless wheel sensor monitoring system.
Background
The traditional wheel sensor is generally clamped on a steel rail and used for acquiring wheel information when a train passes through and is connected with an external receiving device through a cable so as to realize power supply and signal output, so that the state of the train is monitored in real time through the wheel information, and information such as passing vehicle numbers, running positions, whether faults exist or not is displayed for a user.
Most of the existing wheel sensing and monitoring systems are wired transmission, and cables need to be laid between a detection station and a sensor mounting point to mount a junction box. If meet special highway section during the construction, for example when filling up positions such as road bed, bridge, can't excavate the cable pit, need establish the protective tube on the cable, not only the installation is complicated, and the cable is destroyed easily moreover.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical defects, the utility model adopts the technical scheme that a wireless wheel sensor monitoring system is provided, which comprises a wireless wheel sensor arranged on a train track and a receiving device arranged on a detection station, wherein the wireless wheel sensor comprises a first control unit, a magnetic induction unit, a signal acquisition unit and a first wireless transmission unit, and the receiving device comprises a second control unit and a second wireless transmission unit; the magnetic induction unit is electrically connected with the signal acquisition unit, the first wireless transmission unit is wirelessly connected with the second wireless transmission unit, the signal acquisition unit and the first wireless transmission unit are respectively electrically connected with the first control unit, and the second control unit is electrically connected with the second wireless transmission unit;
the magnetic induction unit sends a voltage signal generated by the change of a magnetic field generated by the wheel rim to the signal acquisition unit, and the voltage signal is processed and shaped into a pulse signal and sent to the first control unit for judgment; the first wireless transmission unit wirelessly transmits the judged information to the second control unit through the second wireless transmission unit for real-time monitoring, and the first wireless transmission unit receives a control instruction or return information wirelessly transmitted by the second control unit through the second wireless transmission unit and transmits the control instruction or return information to the first control unit.
Further, the wireless wheel sensor further comprises a radio frequency switch unit, the radio frequency switch unit is respectively electrically connected with the first wireless transmission unit and the first control unit, and the radio frequency switch unit is wirelessly connected with the second wireless transmission unit.
Further, the wireless wheel sensor further comprises a first antenna, the receiving device further comprises a second antenna, the first antenna is electrically connected with the radio frequency switch unit through a radio frequency cable, the second antenna is electrically connected with a second wireless transmission unit, and the first antenna is wirelessly connected with the second antenna;
the first wireless transmission unit converts the judged information into a radio frequency signal and sends the radio frequency signal to the radio frequency switch unit; and the radio frequency switch unit is used for transmitting the radio frequency signal to the first antenna or receiving a control instruction or return information wirelessly transmitted to the first antenna by the second antenna.
Furthermore, the first wireless transmission unit and the second wireless transmission unit are both LORA wireless modules, and the first antenna and the second antenna are LORA antennas.
Furthermore, the magnetic induction units are at least provided with two groups.
Further, the solar energy power generation device further comprises a solar panel and an energy storage device which are used for supplying power.
Further, the antenna also comprises a shell, and the first antenna is arranged in the shell or outside the shell.
Furthermore, a plurality of partition plates are arranged in the shell to divide the shell into at least three mounting areas.
Compared with the prior art the utility model discloses technical scheme's beneficial effect does:
the utility model provides a wireless wheel sensor monitoring system, when the train passes by, magnetic induction unit sends the wheel rim voltage signal that arouses the magnetic field change to produce to signal acquisition unit, handles the plastic pulse signal through it and sends to first control unit and judges; the first wireless transmission unit wirelessly transmits the judged information to the second control unit through the second wireless transmission unit for real-time monitoring, and the first wireless transmission unit receives a control instruction or return information wirelessly transmitted by the second control unit through the second wireless transmission unit and transmits the control instruction or return information to the first control unit. The wireless wheel sensor and the receiving device are integrated respectively, so that the installation and the maintenance are convenient, wireless signal transmission can be carried out between the wireless transmission unit and the receiving device, a communication cable does not need to be laid, the construction cost is reduced, and the maintenance is convenient; the wireless wheel sensor can be regularly detected, problems occur, automatic uploading is achieved, and manual maintenance is not needed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of 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 invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of data transmission of a wireless wheel sensor monitoring system provided by an embodiment of the present invention;
fig. 2 is a schematic block diagram of a wireless wheel sensor monitoring system according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a first power supply unit according to an embodiment of the present invention;
fig. 4 is an exploded view of a housing according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a first control unit and an indicator light unit provided in an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a first wireless transmission unit and a radio frequency switch unit according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a signal acquisition unit according to an embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a first power supply unit according to an embodiment of the present invention.
The reference numbers are as follows:
1. train track, 2, wireless wheel sensor, 21, first control unit, 22, magnetic induction unit, 23, signal acquisition unit, 24, first wireless transmission unit, 25, radio frequency switch unit, 26, first antenna, 3, survey station, 4, receiving arrangement, 41, second control unit, 42, second wireless transmission unit, 43, second antenna, 5, solar cell panel, 6, energy memory, 7, casing, 7a, opening, 7b, constant head tank, 8, baffle, 9, signal conversion equipment, 10, outside receiving equipment, 11, charging circuit, 12, constant voltage power supply, 13, apron, 14, strengthening rib, 15, pilot lamp unit, 16, burn record interface.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
Referring to fig. 1-8, the wireless wheel sensor monitoring system provided by the present invention includes a wireless wheel sensor 2 installed on a train track 1, and a receiving device 4 installed at a detection station 3, wherein the wireless wheel sensor 2 includes a first control unit 21, a magnetic induction unit 22, a signal acquisition unit 23, and a first wireless transmission unit 24, and the receiving device 4 includes a second control unit 41 and a second wireless transmission unit 42; the magnetic induction unit 22 is electrically connected with the signal acquisition unit 23, the first wireless transmission unit 24 is wirelessly connected with the second wireless transmission unit 42, the signal acquisition unit 23 and the first wireless transmission unit 24 are respectively electrically connected with the first control unit 21, and the second control unit 41 is electrically connected with the second wireless transmission unit 42.
The magnetic induction unit 22 sends a voltage signal generated by the change of the magnetic field on the wheel rim to the signal acquisition unit 23, and the voltage signal is processed and shaped into a pulse signal and sent to the first control unit 21 for judgment; the first wireless transmission unit 24 wirelessly transmits the determined information to the second control unit 41 through the second wireless transmission unit 42 for real-time monitoring, and the first wireless transmission unit 24 receives a control instruction or return information wirelessly transmitted by the second control unit 41 through the second wireless transmission unit 42 and transmits the control instruction or return information to the first control unit 21.
During practical application, first antenna 26 can encapsulate in wireless wheel sensor 2, also can set up outside wireless wheel sensor 2, and first antenna 25's structure is not limited to the sucking disc formula yet, can select according to actual need, only for convenient demonstration data transmission process in fig. 1.
Preferably, the device further comprises a signal conversion device 9 and an external receiving device 10, and the second control unit 41 is connected with the external receiving device 10 through the signal conversion device 9. The second control unit 41 analyzes the received wheel monitoring data, uploads the wheel monitoring data to the corresponding 5T device or other devices requiring wheel information through a serial port or a network port, and provides a start signal to the wireless wheel sensor 2.
The first wireless transmission unit 24 and the first control unit 21 in the wireless wheel sensor 22 have a sleep state and a working state, and when no wheel passing signal exists, the first wireless transmission unit 24 and the first control unit 21 are in a power-off sleep state, so that the energy consumption is reduced. When the train passes, the magnetic induction unit 22 sends out an induction signal and sequentially wakes up the first control unit 21 and the first wireless transmission unit 24 to wirelessly transmit the information that the train passes through to the second control unit 41. The system can be widely applied to automatic identification equipment of the railway vehicle number, 5T equipment of the railway vehicle, a track scale, overload and unbalance loading, cargo inspection, early warning of coming vehicles and the like.
Specifically, in order to improve the detection precision of the train passing by, at least two groups of magnetic induction units 22 are arranged at intervals, each magnetic induction unit 22 is composed of a strong magnet and a coil wound on the strong magnet, and the coil is electrically connected with the signal acquisition unit 23.
Preferably, the wireless wheel sensor 2 further comprises a radio frequency switch unit 25, the radio frequency switch unit 25 is electrically connected with the first wireless transmission unit 24 and the first control unit 21, respectively, and the radio frequency switch unit 25 is wirelessly connected with the second wireless transmission unit 42. The wireless wheel sensor 2 further comprises a first antenna 26, the receiving device 4 further comprises a second antenna 43, the first antenna 26 is electrically connected with the radio frequency switch unit 25 through a radio frequency cable, the second antenna 43 is electrically connected with the second wireless transmission unit 42, and the first antenna 26 is wirelessly connected with the second antenna 43; the first wireless transmission unit 24 converts the judged information into a radio frequency signal and sends the radio frequency signal to the radio frequency switch unit 25; and the radio frequency switch unit 25 is used for transmitting radio frequency signals to the first antenna 26 or receiving control instructions or return information wirelessly transmitted to the first antenna 26 by the second antenna 43.
Specifically, the first wireless transmission unit 24 and the second wireless transmission unit 42 are LORA wireless modules. The first antenna 26 and the second antenna 43 are Lora antennas, so that a wider transmission distance and a wider transmission range can be obtained with low transmission power. The first control unit 21 is responsible for judging train approaching information, managing the first power supply unit and managing and monitoring the operation of the first wireless transmission unit 42 and each unit, can periodically detect the performance of the wireless wheel sensor 2, automatically reports problems to the second control unit 41 and the external receiving equipment 10, does not need manual maintenance, and has strong reliability.
Specifically, the receiving device 4 also includes a radio frequency switch unit, which is used to receive the control command wirelessly transmitted from the first antenna 26 to the second antenna 43, return information, or transmit the radio frequency signal to the second antenna 43; the rf switch unit is electrically connected to the second wireless transmission unit 42 and the second control unit 41, respectively, and the rf switch unit is electrically connected to the second antenna 43. The radio frequency switch unit and the radio frequency switch unit 25 of the wireless wheel sensor 2 adopt chips with the same model.
Preferably, the solar energy wireless transmission system further comprises a first power supply unit for supplying power, the first power supply unit comprises a solar cell panel 5, a charging circuit 11, a regulated power supply 12 and an energy storage device 6, the solar cell panel 5 is electrically connected with the charging circuit 11, the regulated power supply 12 is electrically connected between the energy storage device 6 and the charging circuit 11, and the regulated power supply 12 is electrically connected with the first wireless transmission unit 42 and the first control unit 21 respectively. Through setting up self-powered device, improved wireless wheel sensor 2's life, and can simplify the degree of difficulty of equipment fixing and maintenance greatly. Wherein the energy storage device 6 is a lithium battery.
Specifically, the receiving device 4 further includes a power supply, and the power supply may have the same structure as the first power supply unit or may have a different structure.
Specifically, wireless wheel sensor 2 still includes pilot lamp unit 15 and the interface 16 of burning record that is used for indicateing wireless wheel sensor 2 operating condition, and pilot lamp unit 15 is connected with constant voltage power supply 12, first the control unit 21 electricity respectively, burns record interface 16 and is connected with constant voltage power supply 12, first the control unit 21 electricity respectively, is convenient for update wireless wheel sensor 2's procedure, improves wireless wheel sensor 2's practicality.
Preferably, the wireless wheel sensor 2 further comprises a housing 7, and the first antenna 26 is mounted inside the housing 7 and may also be disposed outside the housing 7. The housing 7 is mounted on the inside of the train track 1 by means of a mounting. The case 7 is provided with an opening 7a, and a cover plate 13 is attached to the opening 7 a.
Preferably, a plurality of partition plates 8 are arranged in the shell 7 to divide the shell into at least three mounting areas.
Specifically, two clapboards 8 are arranged in the shell 7 to divide the shell into a control cabin, a signal acquisition cabin and a wireless transmission cabin in sequence. The height of one of the partition boards 8 is greater than that of the other partition board 8, and a wire clamping groove is formed in the top of one of the first partition boards 8. The shell 7 is provided with a positioning groove 7b arranged around the opening 7a, and the cover plate 13 is arranged on the positioning groove 7b in a matching mode. The housing 7 is provided with reinforcing ribs 14 to reinforce the structural strength of the housing 7.
Specifically, still be equipped with pilot lamp mounting hole and interface mounting hole on the casing 7, can dismantle on the interface mounting hole and be equipped with the stopper that shelters from, the inside and outside water repellent of casing 7. The bottom, side walls and top of the housing 7 are provided with shock absorbing pads.
As shown in fig. 5-8, U1 is the first control unit 21, Y1 is the crystal oscillator of the first control unit 21, U2 is the lithium battery charging management chip, U3 is the voltage stabilizing chip, U4 is the radio frequency switch unit 25, U5 is the first wireless transmission unit 24, Y2 is the crystal oscillator of the first wireless transmission unit, LED3 is the indicator light unit 15, P1 is the burning interface 16, J1 is the interface for connecting the solar cell panel, J2 is the signal acquisition interface connected with the induction coil, J3 is the interface for connecting the lithium battery, and J4 is the radio frequency cable.
The second control unit 41 and the second wireless transmission unit 42 use chips of the same type as the first control unit 21 and the first wireless transmission unit 24, respectively.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A wireless wheel sensor monitoring system, characterized by: the train wheel detection system comprises a wireless wheel sensor (2) arranged on a train track (1) and a receiving device (4) arranged on a detection station (3), wherein the wireless wheel sensor (2) comprises a first control unit (21), a magnetic induction unit (22), a signal acquisition unit (23) and a first wireless transmission unit (24), and the receiving device (4) comprises a second control unit (41) and a second wireless transmission unit (42); the magnetic induction unit (22) is electrically connected with the signal acquisition unit (23), the first wireless transmission unit (24) is wirelessly connected with the second wireless transmission unit (42), the signal acquisition unit (23) and the first wireless transmission unit (24) are respectively electrically connected with the first control unit (21), and the second control unit (41) is electrically connected with the second wireless transmission unit (42);
the magnetic induction unit (22) sends a voltage signal generated by the change of a magnetic field generated by the wheel rim to the signal acquisition unit (23), and the voltage signal is processed and shaped into a pulse signal and sent to the first control unit (21) for judgment; the first wireless transmission unit (24) wirelessly transmits the determined information to the second control unit (41) through the second wireless transmission unit (42) for real-time monitoring, and the first wireless transmission unit (24) receives a control instruction or return information wirelessly transmitted by the second control unit (41) through the second wireless transmission unit (42) and transmits the control instruction or return information to the first control unit (21).
2. The wireless wheel sensor monitoring system of claim 1, wherein: the wireless wheel sensor (2) further comprises a radio frequency switch unit (25), the radio frequency switch unit (25) is electrically connected with the first wireless transmission unit (24) and the first control unit (21) respectively, and the radio frequency switch unit (25) is in wireless connection with the second wireless transmission unit (42).
3. The wireless wheel sensor monitoring system of claim 2, wherein: the wireless wheel sensor (2) further comprises a first antenna (26), the receiving device (4) further comprises a second antenna (43), the first antenna (26) is electrically connected with the radio frequency switch unit (25) through a radio frequency cable, the second antenna (43) is electrically connected with a second wireless transmission unit (42), and the first antenna (26) is wirelessly connected with the second antenna (43);
the first wireless transmission unit (24) converts the judged information into a radio frequency signal and sends the radio frequency signal to the radio frequency switch unit (25); and the radio frequency switch unit (25) is used for transmitting a radio frequency signal to the first antenna (26) or receiving a control command or return information wirelessly transmitted to the first antenna (26) by the second antenna (43).
4. The wireless wheel sensor monitoring system of claim 3, wherein: first wireless transmission unit (24), second wireless transmission unit (42) are the LORA wireless module, first antenna (26), second antenna (43) are the LORA antenna.
5. The wireless wheel sensor monitoring system of claim 1 or 2, wherein: the magnetic induction units (22) are at least provided with two groups.
6. The wireless wheel sensor monitoring system of claim 1 or 2, wherein: the solar energy power generation device further comprises a solar panel (5) and an energy storage device (6) which are used for supplying power.
7. The wireless wheel sensor monitoring system of claim 3 or 4, wherein: the antenna also comprises a shell (7), and the first antenna (26) is arranged in the shell (7) or outside the shell (7).
8. The wireless wheel sensor monitoring system of claim 7, wherein: the shell (7) is internally provided with a plurality of clapboards (8) which divide the shell into at least three mounting areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768831.7U CN214084273U (en) | 2020-11-25 | 2020-11-25 | Wireless wheel sensor monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022768831.7U CN214084273U (en) | 2020-11-25 | 2020-11-25 | Wireless wheel sensor monitoring system |
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| CN214084273U true CN214084273U (en) | 2021-08-31 |
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| CN202022768831.7U Active CN214084273U (en) | 2020-11-25 | 2020-11-25 | Wireless wheel sensor monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114782908A (en) * | 2022-04-07 | 2022-07-22 | 郑州智辆电子科技有限公司 | Vehicle-mounted wireless container number acquisition system and method |
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2020
- 2020-11-25 CN CN202022768831.7U patent/CN214084273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114782908A (en) * | 2022-04-07 | 2022-07-22 | 郑州智辆电子科技有限公司 | Vehicle-mounted wireless container number acquisition system and method |
| CN114782908B (en) * | 2022-04-07 | 2024-01-26 | 郑州智辆电子科技有限公司 | Vehicle-mounted wireless container number acquisition system and method |
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