CN217900899U - Axle counting equipment performance detection device - Google Patents
Axle counting equipment performance detection device Download PDFInfo
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- CN217900899U CN217900899U CN202222757056.4U CN202222757056U CN217900899U CN 217900899 U CN217900899 U CN 217900899U CN 202222757056 U CN202222757056 U CN 202222757056U CN 217900899 U CN217900899 U CN 217900899U
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Abstract
The utility model discloses a performance detection device for axle counting equipment, which comprises a rotator, a rotating shaft, a motor speed controller, a wheel, a speed measuring module, a safety protection wall and a remote controller; the rotator, the rotating shaft, the motor speed controller, the wheels and the speed measuring module are all arranged on one side of the safety protection wall, and the remote controller is arranged on the other side of the safety protection wall; the motor rotating speed controller is electrically connected with the motor and is also in communication connection with the remote controller; the speed measuring module is in communication connection with the remote controller and is used for measuring the rotating speed of the rotator; the axle counting host is in communication connection with the remote controller; the output shaft of the motor is connected with the first end of the rotating shaft, and the rotator is connected with the second end of the rotating shaft; the rotator comprises a plurality of fan blades, and the tail end of each fan blade is provided with a wheel; when the rotator rotates, each wheel is opposite to the wheel sensor in sequence.
Description
Technical Field
The utility model belongs to the technical field of meter axle equipment performance detects, especially, relate to a meter axle equipment performance detection device.
Background
With the development of rail transit technology, rim detection technology has gradually become the mainstream technology of axle counting device wheel detection. According to the requirements of the technical standards of the axle counting equipment, the detection capability of the axle counting equipment meets the following regulations: the axle counting equipment can count axles correctly within the range that the diameter of the wheel is not less than 840mm and the speed of the wheel is 0km/h-350 km/h; the axle counting device can count axles correctly within the range that the diameter of the wheel is not less than 350mm and the speed of the wheel is 0km/h-100 km/h. In the axle counting equipment research and development process, because the equipment does not have related safety quality yet, and actual test cannot be carried out on formal lines, theoretical calculation is carried out mainly by means of static test data or the test with standard requirements is finished through electromagnetic simulation software, and the detection capability of the axle counting equipment cannot be really verified.
The axle counting device based on the wheel rim detection technology generally comprises an axle counting host and a wheel rim type wheel sensor in communication connection with the axle counting host, wherein wheels are detected through the wheel rim type wheel sensor, and the axle counting host calculates the number of the wheels according to wheel detection signals of the wheel rim type wheel sensor. How to set up equipment for detecting the performance of an axle counting host and a rim type wheel sensor in a research and development test environment is a difficult problem to be solved urgently, wherein how to simulate the wheel speed required by the axle counting equipment technical standard is a serious problem, and in addition, because the wheel speed required by the axle counting equipment technical standard can reach 350km/h at most, the safety problem of research and development testers needs to be considered when designing a performance detection device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome one or more of prior art not enough, provide a meter axle equipment performance detection device.
The purpose of the utility model is realized through the following technical scheme:
a performance detection device for axle counting equipment comprises an axle counting host and a wheel rim type wheel sensor in communication connection with the axle counting host, wherein the detection device comprises a rotator, a rotating shaft, a motor rotating speed controller, wheels, a speed measuring module, a safety protection wall and a remote controller; the rotator, the rotating shaft, the motor speed controller, the wheels and the speed measuring module are all arranged on one side of the safety protection wall, and the remote controller is arranged on the other side of the safety protection wall;
the motor rotating speed controller is electrically connected with the motor and is also in communication connection with the remote controller;
the speed measuring module is in communication connection with the remote controller and is used for measuring the rotating speed of the rotator;
the axle counting host is in communication connection with the remote controller;
an output shaft of the motor is connected with a first end of the rotating shaft, and the rotator is connected with a second end of the rotating shaft;
the rotator comprises a plurality of fan blades, and the tail end of each fan blade is provided with one wheel; when the rotator rotates, each wheel is opposite to the wheel sensor in sequence.
In a further improvement, the detection device further comprises a horizontally arranged mounting base, the mounting base is connected with the wheel sensor through a first fixing frame, the mounting base is connected with the speed measuring module through a second fixing frame, and the motor is mounted on the mounting base.
In a further improvement, the rotator is horizontally arranged, the wheel sensors are arranged below the rotator, and the wheels are respectively and correspondingly arranged on the end surfaces of the fan blades close to the wheel sensors.
In a further improvement, the speed measuring module comprises a photoelectric sensor transmitting end, a photoelectric sensor receiving end and a photoelectric controller; the photoelectric controller is respectively electrically connected with the photoelectric sensor transmitting end and the photoelectric sensor receiving end, and the photoelectric controller is also in communication connection with the remote controller.
In a further improvement, the transmitting end of the photoelectric sensor is the transmitting end of a diffuse reflection type photoelectric sensor, and the receiving end of the photoelectric sensor is the receiving end of the diffuse reflection type photoelectric sensor.
In a further improvement, the number of the fan blades is three, and the included angle between any two adjacent fan blades is 120 degrees; and when one of the fan blades is opposite to the wheel sensor in the normal direction, one of the remaining two fan blades reflects the light beam output by the photoelectric sensor transmitting end to the photoelectric sensor receiving end.
In a further improvement, the fan blade is provided with a plurality of mounting holes, and each mounting hole is used for mounting wheels with different diameters in a one-to-one correspondence manner.
In a further improvement, the remote controller is in communication connection with the axle counting host, the motor speed controller and the speed measuring module through a CAN bus respectively.
In a further improvement, the detection device further comprises a power module, and the power module is used for supplying power to the axle counting host, the motor rotating speed controller and the speed measuring module.
The utility model has the advantages that:
(1) The wheel speed is simulated based on the rotation mode of the wheel, the corresponding setting is realized by driving the rotating rotator through the motor, and the wheels are arranged on each fan blade of the rotator, the wheels move circularly around the rotating shaft, so the running speed of the wheels is actually the linear speed, therefore, the simulation of various wheel speeds required by the technical standard of the axle counting equipment is realized by changing the rotating speed of the motor, and then the wheel number output by the axle counting host machine is read through a remote controller to judge the performances of the wheel sensor and the axle counting host machine, the wheels arranged on the fan blades can be complete wheels, and only one part of the wheels can be intercepted, so as to reduce the weight.
(2) The risk of breakage exists when the spinner rotates at high speed; the embodiment of the utility model provides a performance detection device who realizes opens through remote control ware control motor when the test, and the tester has realized the safety protection to the tester to through the setting of safety protection wall, further strengthened the safety protection to the tester.
(3) The real-time rotating speed of the rotator driven by the motor is measured through the speed measuring module, and when the rotating speed set by the motor is not matched with the rotating speed detected by the speed measuring module in real time, the rotating speed of the motor is corrected, so that the accuracy of performance detection of the axle counting equipment is improved.
(4) Through the setting of three flabellums, and when a flabellum was located the wheel sensor directly over, the flabellum in two remaining flabellums reflected the light beam of photoelectric sensor transmitting terminal to the photoelectric sensor receiving terminal, this kind of wheel sensor, the position setting mode of photoelectric sensor transmitting terminal and photoelectric sensor receiving terminal, accessible were compared flabellum quantity that the photoelectric controller counted with the wheel number of axle counting host output, if flabellum quantity is unanimous with the wheel number, the performance test of sign axle counting equipment passed, otherwise the performance test of sign axle counting equipment does not pass, compare the wheel number that remote control ware only read axle counting host output, and whether the number of wheels correctly judges with the rotational speed of simulation after, carry out audio-visual comparison with flabellum quantity and wheel number, it is more convenient, the speed that axle counting equipment performance detected has correspondingly been improved.
(5) Through the setting of a plurality of mounting holes on the flabellum, can install the wheel of different diameters respectively, with each wheel diameter phase-match that relates to in the axle counting equipment technical standard to consider the performance of axle counting equipment more comprehensively, more press close to with the real use scene of axle counting equipment, consequently make the testing result of axle counting equipment performance more accurate.
Drawings
FIG. 1 is a logic block diagram of an apparatus for detecting the performance of an axle counting device;
FIG. 2 is a schematic front view of the axle counting apparatus performance detection device mounted with a wheel sensor to be tested;
FIG. 3 is a schematic side view of the axle counting apparatus performance measuring device mounted with a wheel sensor under test;
FIG. 4 is a schematic top view of the rotator;
fig. 5 is a cross-sectional view of the spinner.
In the figure, 1, a wheel sensor; 2. a rotator; 201. a first fan blade; 202. a second fan blade; 203. a third fan blade; 3. a rotating shaft; 4. a motor; 5. a first cable; 6. a second cable; 7. mounting a base; 8. a first fixing frame; 9. a second fixing frame; 10. a third cable; 11. a photoelectric sensor emitting end; 12. a photoelectric sensor receiving end; 13. a wheel; 14. a first bolt.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below with reference to embodiments, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the embodiment provides an axle counting device performance detection apparatus for performing performance detection on an axle counting device based on a rim detection technology. The axle counting device to be measured comprises an axle counting host and a wheel rim type wheel sensor 1 in communication connection with the axle counting host, wherein the wheel rim type wheel sensor 1 is in communication connection with the axle counting host through a first cable 5.
As shown in fig. 1 to 5, the axle counting device performance detecting apparatus includes a horizontally disposed mounting base 7, a horizontally disposed rotator 2, a rotating shaft 3, a motor 4 disposed on the mounting base 7, a motor speed controller, a wheel 13, a speed measuring module, a safety protection wall, a remote controller, and a power module. Mounting base 7, circulator 2, pivot 3, motor 4, motor speed controller, wheel 13, the module that tests the speed and power module all sets up in one side of safety protection wall, and remote control sets up the opposite side at safety protection wall, and the tester carries out the performance detection to the axle counting equipment through controlling remote control. The power module is used for supplying power to the axle counting host, the motor rotating speed controller and the speed measuring module. The motor speed controller is electrically connected with the motor 4 through a second cable 6 and is also in communication connection with the remote controller through a CAN bus. The speed measuring module is in communication connection with the remote controller through a CAN bus and is used for measuring the rotating speed of the rotator 2. And the axle counting host to be tested is in communication connection with the remote controller through the CAN bus. The output shaft of the motor 4 is connected with the first end of the rotating shaft 3, and the rotator 2 is connected with the second end of the rotating shaft 3. The wheel sensor 1 to be measured is disposed below the rotator 2. The rotator 2 comprises a plurality of fan blades, a wheel is installed at the tail end of the end face of each fan blade close to the wheel sensor 1, and the tail end of each fan blade is one end of each fan blade far away from the rotating shaft 3. When the motor 4 drives the rotator 2 to rotate, each wheel passes through the right upper part of the wheel sensor 1 in sequence.
As shown in fig. 2 and fig. 3, a vertical first fixing frame 8 and a vertical second fixing frame 9 are installed on the installation base 7, the wheel sensor 1 to be measured is installed on the first fixing frame 8, and the speed measuring module is installed on the second fixing frame 9.
Preferably, the speed measuring sensor in the speed measuring module adopts a diffuse reflection type photoelectric sensor, and therefore, the speed measuring module specifically comprises a photoelectric sensor transmitting end 11, a photoelectric sensor receiving end 12 and a photoelectric controller. The photoelectric controller is respectively and electrically connected with a photoelectric sensor transmitting end 11 and a photoelectric sensor receiving end 12 through a third cable 10, the photoelectric sensor is also in communication connection with a remote controller through a CAN bus, and the photoelectric controller is used for detecting and calculating signals output by the photoelectric sensor receiving end 12, calculating the number of fan blades passing through the positions of the photoelectric sensor transmitting end 11 and the photoelectric sensor receiving end 12 and calculating the real-time rotating speed of the rotator 2. The emitting end 11 of the photoelectric sensor is an emitting end of a diffuse reflection type photoelectric sensor, and the receiving end 12 of the photoelectric sensor is a receiving end of the diffuse reflection type photoelectric sensor. The photoelectric sensor emitting end 11 emits a light beam, when no fan blade is shielded, the light beam cannot be reflected to the photoelectric sensor receiving end 12, when the fan blade rotates to the diffuse reflection type photoelectric sensor position, the fan blade reflects the light beam emitted by the photoelectric sensor emitting end 11, and the photoelectric sensor receiving end 12 receives the reflected light beam.
Preferably, as shown in fig. 4 and 5, the number of the fan blades is three, which are respectively the first fan blade 201, the second fan blade 202 and the third fan blade 203, and an included angle between any two adjacent fan blades is 120 degrees. The rotator 2 rotates and when one of the three fan blades passes right above the wheel sensor 1, one fan blade of the remaining two fan blades reflects the light beam output by the photoelectric sensor emitting end 11 to the photoelectric sensor receiving end 12, and fig. 2 and 3 show that when the first fan blade 201 passes right above the wheel sensor 1, the second fan blade 202 is just at the position of the diffuse reflection type photoelectric sensor, and the second fan blade 202 reflects the light beam output by the photoelectric sensor emitting end 11 to the photoelectric sensor receiving end 12.
Preferably, the fan blade is provided with a plurality of mounting holes for mounting the wheels 13, and each mounting hole is used for mounting the wheels 13 with different diameters in a one-to-one correspondence manner.
In this embodiment: the motor 4 adopts a direct current brush motor; the wheel 13 on which each fan blade is mounted is only partially cut out of the actual wheel 13, the wheel 13 is connected with the fan blades through first bolts 14, the diameter of the wheel 13 comprises two specifications of 350mm and 840mm, and for each specification of the wheel 13, corresponding mounting holes are formed in the fan blades; the motor rotating speed controller adopts a miniature direct current motor controller with model number PMC002C5S, has a speed regulating function and is used for controlling the rotating speed of the motor 4; the diffuse reflection type photoelectric sensor is E3S-DS30P1 in model number, and light beams emitted by the diffuse reflection type photoelectric sensor are infrared rays; the power supply module comprises a first power supply for supplying power to the axle counting host, a second power supply for supplying power to the motor speed controller and a third power supply for supplying power to the photoelectric controller, wherein the first power supply converts AC220V into DC24V, the second power supply converts AC220V into DC48V, and the third power supply converts AC220V into DC24V; the photoelectric controller comprises a single chip microcomputer for collecting signals generated by a photoelectric sensor receiving end 12, the single chip microcomputer adopts the model of STM32F103RCT6, the anti-interference capability of the photoelectric sensor receiving end 12 is improved, optical coupling isolation is added between the single chip microcomputer and a signal output port of the photoelectric sensor receiving end 12, the single chip microcomputer is used for calculating the real-time rotating speed of a rotator 2 based on the signals generated by the photoelectric sensor receiving end 12, and counting the number of fan blades passing through in a test time period, then the single chip microcomputer sends the calculated real-time rotating speed of the rotator 2 and the number of the fan blades to a CAN bus through a CAN interface circuit, a remote controller reads the real-time rotating speed and the number of the fan blades of the rotator 2 from the CAN bus, wherein the CAN interface circuit adopts the CAN interface circuit in the common embodiment, and is specific, the CAN interface circuit comprises a CAN bus transceiver, a lightning protection circuit, a fuse, a CAN interface and the like, the model of the CAN bus adopts the PCA82C250, and the lightning protection circuit comprises a TVS diode and the like.
The working principle of the embodiment is as follows:
before starting the test work of the axle counting equipment, a tester installs the wheel rim type wheel sensor 1 to be tested on a first fixing frame 8, connects the axle counting host to be tested with the wheel sensor 1 to be tested through a first cable 5, connects the axle counting host to be tested with a remote controller through a CAN bus, thereby completing the connection between the axle counting equipment to be tested and a performance detection device, and simultaneously installs a matched wheel 13 on a fan blade according to the preset linear velocity of the wheel 13;
the tester returns to the remote controller position, starts the setting of the linear velocity of the wheel 13 in the first stage, and converts the linear velocity V of the wheel 13 into the rotational velocity f of the motor 4 by using the rotational velocity calculation formula V =2 Π rf (m/s) =7.2 Π rf (km/h) in the general embodiment, where Π is the circumferential ratio, and r is the vertical distance between the center of the wheel 13 and the central axis of the rotating shaft 3.
The tester starts the test;
the motor 4 drives the rotator 2 to rotate according to the rotating speed of the motor 4 set by a tester, meanwhile, the photoelectric controller detects and calculates the real-time rotating speed of the rotator 2, the motor rotating speed controller compares the real-time rotating speed measured by the photoelectric controller with the rotating speed of the motor 4 set by the tester, and then adjusts the rotating speed output by the motor 4 to be larger or smaller until the rotating speed output by the motor 4 is equal to the rotating speed of the motor 4 set by the tester;
the photoelectric controller continuously monitors and calculates the real-time rotating speed of the rotator 2, continuously counts the number of fan blades passing through the transmitting end 11 and the receiving end 12 of the photoelectric sensor, and the axle counting host continuously calculates the number of wheels represented by signals acquired by the wheel sensor 1; the remote controller acquires the real-time rotating speed, the number of fan blades and the number of wheels, displays the real-time rotating speed, and simultaneously displays the real-time linear speed of the wheels 13 corresponding to the real-time rotating speed;
after the preset test time comes, the tester stops testing;
the tester judges whether the quantity of the fan blades is consistent with the quantity of the wheels, if so, the performance test of the tested axle counting equipment at the linear velocity of the wheels 13 is passed, and if not, the performance test of the tested axle counting equipment at the linear velocity of the wheels 13 is not passed, and the tester records the test result that the performance test at the stage passes or fails;
and setting the linear velocity of the next wheel 13 by a tester, starting the test of the next stage until the linear velocities of all the wheels 13 required by the technical standard of the axle counting equipment are simulated, comparing the number of the fan blades with the number of the wheels based on the simulation of the linear velocities of the wheels 13, and recording the test result that the performance test of all the stages passes or fails by the tester.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (9)
1. A performance detection device for axle counting equipment comprises an axle counting host and a wheel rim type wheel sensor in communication connection with the axle counting host, and is characterized in that the detection device comprises a rotator, a rotating shaft, a motor rotating speed controller, wheels, a speed measuring module, a safety protection wall and a remote controller; the rotator, the rotating shaft, the motor speed controller, the wheels and the speed measuring module are all arranged on one side of the safety protection wall, and the remote controller is arranged on the other side of the safety protection wall;
the motor rotating speed controller is electrically connected with the motor and is also in communication connection with the remote controller;
the speed measuring module is in communication connection with the remote controller and is used for measuring the rotating speed of the rotator;
the axle counting host is in communication connection with the remote controller;
an output shaft of the motor is connected with a first end of the rotating shaft, and the rotator is connected with a second end of the rotating shaft;
the rotator comprises a plurality of fan blades, and the tail end of each fan blade is provided with one wheel; when the rotator rotates, each wheel is opposite to the wheel sensor in sequence.
2. The axle counting device performance detection device of claim 1, further comprising a horizontally disposed mounting base, wherein the mounting base is connected to the wheel sensor through a first fixing frame, the mounting base is connected to the speed measuring module through a second fixing frame, and the motor is mounted on the mounting base.
3. The axle counting device performance detection device according to claim 2, wherein the rotator is horizontally arranged, the wheel sensors are arranged below the rotator, and the wheels are respectively and correspondingly arranged on the end surfaces, close to the wheel sensors, of the fan blades.
4. The axle counting device performance detection device of claim 1, wherein the speed measuring module comprises a photoelectric sensor transmitting end, a photoelectric sensor receiving end and a photoelectric controller; the photoelectric controller is respectively electrically connected with the photoelectric sensor transmitting end and the photoelectric sensor receiving end, and the photoelectric controller is also in communication connection with the remote controller.
5. The axle counting device performance detecting device according to claim 4, wherein the emitting end of the photoelectric sensor is an emitting end of a diffuse reflection type photoelectric sensor, and the receiving end of the photoelectric sensor is a receiving end of the diffuse reflection type photoelectric sensor.
6. The axle counting device performance detection device of claim 5, wherein the number of the fan blades is three, and an included angle between any two adjacent fan blades is 120 degrees; and when one of the fan blades is opposite to the wheel sensor in the normal direction, one of the remaining two fan blades reflects the light beam output by the photoelectric sensor transmitting end to the photoelectric sensor receiving end.
7. The axle counting device performance detection device according to claim 1, wherein a plurality of mounting holes are formed in the fan blades, and each mounting hole is used for correspondingly mounting wheels with different diameters one by one.
8. The performance testing device of an axle counting device as claimed in claim 1, wherein the remote controller is in communication connection with the axle counting host, the motor speed controller and the speed measuring module via a CAN bus.
9. The performance detection device of an axle counting device according to claim 1, further comprising a power module, wherein the power module is configured to supply power to the axle counting host, the motor speed controller and the speed measuring module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222757056.4U CN217900899U (en) | 2022-10-20 | 2022-10-20 | Axle counting equipment performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222757056.4U CN217900899U (en) | 2022-10-20 | 2022-10-20 | Axle counting equipment performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217900899U true CN217900899U (en) | 2022-11-25 |
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ID=84108979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222757056.4U Active CN217900899U (en) | 2022-10-20 | 2022-10-20 | Axle counting equipment performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217900899U (en) |
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2022
- 2022-10-20 CN CN202222757056.4U patent/CN217900899U/en active Active
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