CN204807578U - Fast sensor detection device of hall formula wheel - Google Patents
Fast sensor detection device of hall formula wheel Download PDFInfo
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- CN204807578U CN204807578U CN201520532803.1U CN201520532803U CN204807578U CN 204807578 U CN204807578 U CN 204807578U CN 201520532803 U CN201520532803 U CN 201520532803U CN 204807578 U CN204807578 U CN 204807578U
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Abstract
The utility model provides a fast sensor detection device of hall formula wheel, including anchor clamps, a workstation and a programmable logic controler, programmable logic controler is including analog input end, fixture set is on the workstation, the fixed guide rail that is provided with on the workstation, be provided with an iron teeth strip on the guide rail, set up to the sliding pair between iron teeth strip and the guide rail, the fixed probe that is provided with on the workstation, the analog input end that the probe passes through wire and programmable logic controler is connected, programmable logic controler is including output port, the last suggestion device that is connected with of output port. The utility model discloses utilizing programmable logic controler to connect the fast sensor of hall formula wheel, utilizing the relative motion of slidable iron teeth strip simulation vehicle gear and the fast sensor of hall formula wheel, hall formula wheel is invited when removing through the iron teeth strip, and have or not pulse voltage signal output to determine the hall chip and whether the connecting circuit is effective with the sensor, has higher detection efficiency, and the cost is reduced has avoided artificial erroneous judgement.
Description
Technical field:
The utility model relates to electricity field, particularly relates to the sensor for inspection vehicle wheel speed, particularly a kind of Hall wheel speed sensor pick-up unit.
Background technology:
The basic forming operation of Hall wheel speed sensor is welding-injection moulding-assembling, detects after finished product finally completes, once detect that Hall chip and connecting circuit thereof lost efficacy, whole product will all be scrapped, and cost allowance is very large.Therefore part factory just carries out simple break-make detection after Hall chip welding, causes operation to be lost to avoid finding to lose efficacy after injection moulding, assembling again.In prior art, after Hall chip welding, basic circuit is accessed oscillograph, the image of monitor oscilloscope, above-mentioned detection method wastes time and energy, and easily causes visual fatigue during long-term work, produces and artificially judges by accident.
Summary of the invention:
The purpose of this utility model is to provide a kind of Hall wheel speed sensor pick-up unit, and described this Hall wheel speed sensor pick-up unit will solve in prior art the technical matters that the method utilizing oscillograph to detect Hall wheel speed sensor wastes time and energy, easily produces artificial erroneous judgement.
This Hall wheel speed sensor pick-up unit of the present utility model, comprise a fixture, a worktable and a programmable logic controller (PLC), described programmable logic controller (PLC) includes analog input port, wherein, described fixture is arranged on described worktable, worktable is fixedly installed a guide rail, described guide rail is provided with an iron teeth bar, sliding pair is set between described iron teeth bar and guide rail, worktable is fixedly installed probe, described probe is connected with the analog input port of described programmable logic controller (PLC) by wire, programmable logic controller (PLC) includes output port, described output port is connected with suggestion device.
Further, described programmable logic controller (PLC) comprises first output port and second output port, the first described output port is connected with a test and passes through pilot lamp, the second described output port is connected with an audible indicator, the number of described probe is two, one of them probe connects the positive pole of a power supply, an analog input port of programmable logic controller (PLC) includes first terminals and second terminals, another probe is connected to the first described terminals, the second described terminals ground connection, a resistor and a capacitor is connected in parallel between the first terminals and the second terminals.
Principle of work of the present utility model is: Hall wheel speed sensor utilizes Hall effect principle, the two ends of wafer pass to control electric current, after the vertical direction of thin slice applies magnetic field, produce a size and the electromotive force Hall controlling electric current, the product of magnetic induction density is directly proportional at the another two ends of thin slice.Utilize the relative motion of iron teeth bar simulating vehicle gear and Hall wheel speed sensor, when iron teeth bar moves, density of line of magnetic force through Hall element changes, thus the change of Hall voltage is caused, Hall element exports a quasi-sine-wave voltage, and this signal converts the pulse voltage of standard again to through electronic circuit.Utilizing programmable logic controller (PLC) to receive this pulse voltage signal, when receiving pulse voltage signal, utilizing pilot lamp and audible indicator prompting test to pass through.Utilize probe can connect the lead-in wire of Hall wheel speed sensor temporarily, utilize fixture to fix Hall wheel speed sensor.
The utility model is compared with prior art, and its effect is actively with obvious.The utility model utilizes programmable logic controller (PLC) to connect Hall wheel speed sensor, utilize the relative motion of slidably iron teeth bar simulating vehicle gear and Hall wheel speed sensor, when moving by measuring iron teeth bar, Hall wheel speed sensor with or without pulse voltage signal export judge Hall chip and connecting circuit whether effective, there is higher detection efficiency, reduce cost, avoid artificial erroneous judgement.
Accompanying drawing illustrates:
Fig. 1 is the schematic diagram of Hall wheel speed sensor pick-up unit of the present utility model.
Fig. 2 is the electric principle schematic of Hall wheel speed sensor pick-up unit of the present utility model.
Embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, this Hall wheel speed sensor pick-up unit of the present utility model, comprise a fixture 1, a worktable 2 and a programmable logic controller (PLC) 3, described programmable logic controller (PLC) 3 includes analog input port ADC1, wherein, described fixture 1 is arranged on described worktable 2, worktable 2 is fixedly installed a guide rail 4, described guide rail 4 is provided with an iron teeth bar 5, sliding pair is set between described iron teeth bar 5 and guide rail 4, worktable 2 is fixedly installed probe 6, described probe 6 is connected with the analog input port ADC1 of described programmable logic controller (PLC) 3 by wire, programmable logic controller (PLC) 3 includes output port, described output port is connected with suggestion device.
Further, described programmable logic controller (PLC) 3 comprises first output port and second output port, the first described output port is connected with a test by pilot lamp GL, the second described output port is connected with an audible indicator HA, the number of described probe 6 is two, one of them probe 6 connects the positive pole of a power supply, an analog input port ADC1 of programmable logic controller (PLC) 3 includes first terminals and second terminals, another probe 6 is connected to the first described terminals, the second described terminals ground connection, an a resistor Rm and one capacitor C is connected in parallel between the first terminals and the second terminals.
The principle of work of the present embodiment is: Hall wheel speed sensor 7 utilizes Hall effect principle, the two ends of wafer pass to control electric current, after the vertical direction of thin slice applies magnetic field, produce a size and the electromotive force Hall controlling electric current, the product of magnetic induction density is directly proportional at the another two ends of thin slice.Utilize the relative motion of iron teeth bar 5 simulating vehicle gear and Hall wheel speed sensor 7, when iron teeth bar 5 moves, density of line of magnetic force through Hall element changes, thus the change of Hall voltage is caused, Hall element exports a quasi-sine-wave voltage, and this signal converts the pulse voltage of standard again to through electronic circuit.Utilizing programmable logic controller (PLC) 3 to receive this pulse voltage signal, when receiving pulse voltage signal, utilizing pilot lamp and audible indicator HA to point out test to pass through.Utilize probe 6 can connect the lead-in wire of Hall wheel speed sensor 7 temporarily.
Claims (2)
1. a Hall wheel speed sensor pick-up unit, comprise a fixture, a worktable and a programmable logic controller (PLC), described programmable logic controller (PLC) includes analog input port, it is characterized in that: described fixture is arranged on described worktable, worktable is fixedly installed a guide rail, described guide rail is provided with an iron teeth bar, sliding pair is set between described iron teeth bar and guide rail, worktable is fixedly installed probe, described probe is connected with the analog input port of described programmable logic controller (PLC) by wire, programmable logic controller (PLC) includes output port, described output port is connected with suggestion device.
2. Hall wheel speed sensor pick-up unit as claimed in claim 1, it is characterized in that: described programmable logic controller (PLC) comprises first output port and second output port, the first described output port is connected with a test and passes through pilot lamp, the second described output port is connected with an audible indicator, the number of described probe is two, one of them probe connects the positive pole of a power supply, an analog input port of programmable logic controller (PLC) includes first terminals and second terminals, another probe is connected to the first described terminals, the second described terminals ground connection, a resistor and a capacitor is connected in parallel between the first terminals and the second terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532803.1U CN204807578U (en) | 2015-07-22 | 2015-07-22 | Fast sensor detection device of hall formula wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532803.1U CN204807578U (en) | 2015-07-22 | 2015-07-22 | Fast sensor detection device of hall formula wheel |
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| CN204807578U true CN204807578U (en) | 2015-11-25 |
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| CN201520532803.1U Active CN204807578U (en) | 2015-07-22 | 2015-07-22 | Fast sensor detection device of hall formula wheel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218962A (en) * | 2017-05-25 | 2017-09-29 | 苏州米河自动化科技有限公司 | A kind of tool for being used to test vehicle turbine sensor |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
| CN109799365A (en) * | 2018-12-10 | 2019-05-24 | 沈阳仪表科学研究院有限公司 | Automobile wheel speed sensor detection device |
| CN113219207A (en) * | 2021-05-07 | 2021-08-06 | 河南柴油机重工有限责任公司 | Quick detection device of multivoltage multichannel revolution speed sensor |
-
2015
- 2015-07-22 CN CN201520532803.1U patent/CN204807578U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218962A (en) * | 2017-05-25 | 2017-09-29 | 苏州米河自动化科技有限公司 | A kind of tool for being used to test vehicle turbine sensor |
| CN107218962B (en) * | 2017-05-25 | 2020-03-13 | 苏州米河自动化科技有限公司 | A tool for testing car turbine sensor |
| CN107515313A (en) * | 2017-09-06 | 2017-12-26 | 长春中车轨道车辆有限公司 | City rail vehicle velocity sensor Detecting data and detection method |
| CN109799365A (en) * | 2018-12-10 | 2019-05-24 | 沈阳仪表科学研究院有限公司 | Automobile wheel speed sensor detection device |
| CN109799365B (en) * | 2018-12-10 | 2024-04-16 | 沈阳仪表科学研究院有限公司 | Detection device for automobile wheel speed sensor |
| CN113219207A (en) * | 2021-05-07 | 2021-08-06 | 河南柴油机重工有限责任公司 | Quick detection device of multivoltage multichannel revolution speed sensor |
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