CN214583358U - Portable sensor tester for railway - Google Patents
Portable sensor tester for railway Download PDFInfo
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- CN214583358U CN214583358U CN202120719819.9U CN202120719819U CN214583358U CN 214583358 U CN214583358 U CN 214583358U CN 202120719819 U CN202120719819 U CN 202120719819U CN 214583358 U CN214583358 U CN 214583358U
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- railway
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Abstract
The utility model discloses a portable sensor tester of railway for the detection of sensor on large-scale road maintaining machinery, including rechargeable power supply, power module and display module, the rechargeable power supply output is connected with display module and power module input respectively, and the power module output is connected with the sensor, and the sensor output passes through two-way interface signal line and is connected with the multiplexer board input, and the multiplexer board output is connected with the display module input, is equipped with the digital display voltmeter on the display module. The utility model has the advantages that: the sensor to be replaced is detected and debugged by the detector, and the sensor is assembled with a large road maintenance machine after being confirmed to be good, so that unnecessary labor waste is reduced; is convenient to carry, is not limited by site conditions, and is simple and convenient to operate.
Description
Technical Field
The utility model belongs to the technical field of the technique of large-scale road maintaining machinery and specifically relates to a portable sensor tester of railway.
Background
As a data acquisition inlet of the most basic layer of the precision of the large-scale railway maintenance machine, the data acquisition of the sensor is the most important and the most basic ring of the construction work of the large-scale railway maintenance machine, the precision of the sensor directly influences the precision of all links of the whole work, and the importance is self-evident. In order to solve calibration errors from the source, a test bench is often adopted to detect the state of a sensor and debug the sensor.
A large-scale road maintenance mechanical sensor test bed comprises a test platform, a platform support, an angular displacement mechanism, a limiting mechanism, a wheel type test mechanism and a computer control system. The sensor can be used for detecting the performance of sensors of large road maintenance machines such as continuous tamping vehicles, dynamic stabilizing vehicles and the like. The time waste of sensor dismantlement transport detection in the daily maintenance operation in-process delays maintenance operation schedule, also is not favorable to emergency to handle temporarily, and traditional test bench area is big, and the operation is complicated, and data redundancy, sensor detection need the professional, and it is complicated to carry out the operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable sensor tester of railway according to above-mentioned prior art not enough, multichannel option board shows the passageway through switching over and gives display module with signal transmission to the signal display who will acquire by the digital display voltmeter on the display module is voltage signal, has realized the detection to the sensor.
The utility model discloses the purpose is realized accomplishing by following technical scheme:
the utility model provides a portable sensor tester of railway for the detection of sensor on large-scale road maintaining machinery, its characterized in that: the portable digital display device comprises a rechargeable power supply, a power supply module and a display module, wherein the output end of the rechargeable power supply is respectively connected with the input ends of the display module and the power supply module, the output end of the power supply module is connected with a sensor, the output end of the sensor is connected with the input end of a multi-path selection board through two paths of interface signal lines, the output end of the multi-path selection board is connected with the input end of the display module, and a digital display voltmeter is arranged on the display module.
And the output end of the rechargeable power supply is connected with the input end of the fan.
And the output end of the rechargeable power supply is connected with the electrical accessories of the large-scale road maintenance machine through a plug.
And the two paths of interface signal wires are connected with the sensor through a plug.
And the tester circuit is provided with a safety switch and a common switch.
The utility model has the advantages that:
1. the state and output linearity of the sensor are detected and judged by a sensor detector without disassembling a large road maintenance mechanical sensor on site, and the failure sensor is replaced in time;
2. the sensor to be replaced is detected and debugged by the detector, and the sensor is assembled with a large road maintenance machine after being confirmed to be good, so that unnecessary labor waste is reduced;
3. the portable sensor testing device is convenient to carry, free of restriction of site conditions, simple and convenient to operate, and capable of testing the sensor only by turning on a switch of the detector and switching on the sensor.
Drawings
FIG. 1 is a block diagram of a portable railway sensor tester according to the present invention;
fig. 2 is a schematic diagram of the railway portable sensor tester of the utility model.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1-2, reference numerals 1-14 in the figures are respectively indicated as a rechargeable power supply 1, a power supply module 2, a display module 3, a sensor 4, a fan 5, a multiplexer board 6, two paths of interface signal lines 7, a first plug 8, a second plug 9, a third plug 10, a first safety switch 11, a first common switch 12, a second safety switch 13 and a second common switch 14.
Example (b): as shown in fig. 1-2, the present embodiment relates to a portable sensor tester for railway, which is used for detecting a sensor 4 on a large-scale maintenance machine, in the present embodiment, the sensor 4 is a vector distance sensor with a model number of EL-T609 or EL-T2036, and mainly includes a rechargeable power supply 1, a power supply module 2, a display module 3 and a fan 5, the rechargeable power supply 1 (with a model number of DNP-5A) is a 50000mah battery, which can provide 24V stable voltage for the tester, and the rechargeable power supply 1 can be charged by 220V ac power. The output end of the rechargeable power supply 1 is respectively connected with the input ends of a display module 3 (the model is EL-T1585) and a fan 5 (the model is EFBO824 SHF) to supply power for the display module 3 and the fan 5, and the fan 5 is used for heat dissipation of the power supply module 2. The output end of the rechargeable power supply 1 is connected with the input end of a power supply module 2 (type EK813SV-002 a), and the power supply module 2 can output voltages of +/-10V/+/-15V/+/-5V in a variable voltage mode to be used by the detection sensor 4.
As shown in fig. 1-2, the output terminal of the sensor 4 is connected to the input terminal of a multi-path selector board 6 (model EL-T5686.00) via two interface signal lines 7, and the output terminal of the multi-path selector board 6 is connected to the input terminal of the display module 3. The sensor 4 transmits the measured electric signals to the multi-path selection plate 6 through the two-path interface signal line 7, the multi-path selection plate 6 transmits the signals to the display module 3 through switching the display channel, and the display module 3 displays the obtained signals into voltage signals through the digital display voltmeter on the display module, so that information can be visually displayed to an operator. In addition, two routes of interface signal lines 7 are connected with the sensor 4 through a first plug 8 and a second plug 9, and the connection is convenient.
As shown in fig. 2, the output end of the rechargeable power supply 1 is connected with the electrical accessory of the large road maintenance machine through a third plug 10, and is used for supplying power to the electrical accessory of the large road maintenance machine. A main circuit of the rechargeable power supply 1, the power supply module 2, the display module 3, the fan 5 and electrical accessories of the large-scale maintenance machine are connected with each other and provided with a first safety switch 11 and a first common switch 12, and a branch circuit of the rechargeable power supply 1, which is connected with the electrical accessories of the large-scale maintenance machine, is provided with a second safety switch 13 and a second common switch 14 for protecting the circuit safety of the tester.
In this embodiment, taking the EL-T609 vector sensor as an example, first, an interface of a tester is connected to the EL-T609 vector sensor, then a power switch of the tester is turned on, the tester provides ± 10V voltage for the EL-T609 vector sensor, then a scale of the EL-T609 vector sensor is moved left and right, the EL-T609 vector sensor senses a measured signal, the measured information is converted into an electrical signal according to a certain rule and is fed back to the tester display module 3, and the tester displays the acquired signal as a voltage signal.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description thereof is not repeated herein.
Claims (5)
1. The utility model provides a portable sensor tester of railway for the detection of sensor on large-scale road maintaining machinery, its characterized in that: the portable digital display device comprises a rechargeable power supply, a power supply module and a display module, wherein the output end of the rechargeable power supply is respectively connected with the input ends of the display module and the power supply module, the output end of the power supply module is connected with a sensor, the output end of the sensor is connected with the input end of a multi-path selection board through two paths of interface signal lines, the output end of the multi-path selection board is connected with the input end of the display module, and a digital display voltmeter is arranged on the display module.
2. A railway portable sensor tester as claimed in claim 1, wherein: and the output end of the rechargeable power supply is connected with the input end of the fan.
3. A railway portable sensor tester as claimed in claim 1, wherein: and the output end of the rechargeable power supply is connected with the electrical accessories of the large-scale road maintenance machine through a plug.
4. A railway portable sensor tester as claimed in claim 1, wherein: and the two paths of interface signal wires are connected with the sensor through a plug.
5. A railway portable sensor tester as claimed in claim 1, wherein: and the tester circuit is provided with a safety switch and a common switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719819.9U CN214583358U (en) | 2021-04-09 | 2021-04-09 | Portable sensor tester for railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719819.9U CN214583358U (en) | 2021-04-09 | 2021-04-09 | Portable sensor tester for railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214583358U true CN214583358U (en) | 2021-11-02 |
Family
ID=78324028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120719819.9U Active CN214583358U (en) | 2021-04-09 | 2021-04-09 | Portable sensor tester for railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214583358U (en) |
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2021
- 2021-04-09 CN CN202120719819.9U patent/CN214583358U/en active Active
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