CN208331014U - The automobile bearing of revolving speed is surveyed based on electromagnetic induction - Google Patents

The automobile bearing of revolving speed is surveyed based on electromagnetic induction Download PDF

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Publication number
CN208331014U
CN208331014U CN201820524780.3U CN201820524780U CN208331014U CN 208331014 U CN208331014 U CN 208331014U CN 201820524780 U CN201820524780 U CN 201820524780U CN 208331014 U CN208331014 U CN 208331014U
Authority
CN
China
Prior art keywords
bearing
permanent magnet
ring
race
revolving speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820524780.3U
Other languages
Chinese (zh)
Inventor
华燕锦
张建中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI MINLIAN AUTOMOBILE PARTS Co Ltd
Original Assignee
WUXI MINLIAN AUTOMOBILE PARTS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUXI MINLIAN AUTOMOBILE PARTS Co Ltd filed Critical WUXI MINLIAN AUTOMOBILE PARTS Co Ltd
Priority to CN201820524780.3U priority Critical patent/CN208331014U/en
Application granted granted Critical
Publication of CN208331014U publication Critical patent/CN208331014U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of automobile bearings that revolving speed is surveyed based on electromagnetic induction, including bearing inner race, bearing outer ring, cylindrical roller and retainer, the bearing outer ring is looped around the outside of the bearing inner race, the retainer is equipped between the bearing inner race and the bearing outer ring, it is set up inside the retainer and connects the cylindrical roller, the cylindrical roller top and bottom contradict respectively connects the bearing outer ring and the bearing inner race, include one and only one magnetic roller inside the cylindrical roller, it is smooth on one side end face of the magnetism roller to be fitted into one piece of insertion permanent magnet, bearing inner race peripheral surface side upper end is connected and fixed permanent magnet, permanent magnet is embedded in described in the side end face face of the fixed permanent magnet, the inner peripheral surface lower end of the bearing outer ring connects downwards a loop coil.By the above-mentioned means, the utility model can accurately measure the real-time revolving speed of automobile bearing using faraday electromagnetic induction principle.

Description

The automobile bearing of revolving speed is surveyed based on electromagnetic induction
Technical field
The utility model relates to automobile bearing fields, more particularly to a kind of automobile shafts for surveying revolving speed based on electromagnetic induction It holds.
Background technique
Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is to support mechanical rotary body, is reduced Coefficient of friction in its motion process, and guarantee its rotating accuracy, inner ring needs to follow shaft together to bearing during the work time High speed rotary motion is done, reduces coefficient of friction between inner ring and outer ring by ball sphere and included lubricating grease, and it is each There is limit speed in class shaft, during revolving speed is constantly promoted, the intensity of shaft itself will be unable to support higher turn Speed, so the monitor speed to shaft is even more important, the bearing that can be tested the speed is multifarious on the market, but most bearing There is the defects of testing the speed inaccuracy or excessively high speed measuring module cost.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of automobile bearing for surveying revolving speed based on electromagnetic induction, energy The real-time revolving speed of automobile bearing is enough accurately measured using faraday electromagnetic induction principle.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of based on electromagnetism sense The automobile bearing of revolving speed, including bearing inner race, bearing outer ring, cylindrical roller and retainer should be surveyed, the bearing outer ring is looped around The outside of the bearing inner race is equipped with void layer, the bearing inner race and institute between the bearing outer ring and the bearing inner race It states and is equipped with the retainer between bearing outer ring, set up inside the retainer and connect the cylindrical roller, the cylindrical roller Top and bottom contradict respectively connects the bearing outer ring and the bearing inner race, includes inside the cylindrical roller and only has One magnetic roller, it is smooth on a side end face of the magnetism roller to be fitted into one piece of insertion permanent magnet, the bearing inner race periphery Surface side upper end is connected and fixed permanent magnet, and permanent magnet, the bearing are embedded in described in the side end face face of the fixed permanent magnet The inner peripheral surface lower end of outer ring connects downwards a loop coil, and the loop coil is located at the fixed permanent magnet and the insertion Between permanent magnet.
In one preferred embodiment of the utility model, the both ends of the loop coil connect voltage checking chip, described Voltage checking chip output end connects pulse counter.
In one preferred embodiment of the utility model, the opposite face of the insertion permanent magnet and the fixed permanent magnet is Synonyms pole.
In one preferred embodiment of the utility model, signal amplifier is integrated in the voltage checking chip.
The beneficial effects of the utility model are: the core technology of the utility model uses the original of faraday electromagnetic induction Reason, i.e. closing coil cutting magnetic induction line generate induced electromotive force, and the continuous cutting magnetic induction line of coil can generate height phase Between voltage waveform, the real-time revolving speed that can accurately obtain bearing is acquired to peak signal.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:
Fig. 1 is the structural schematic diagram for one preferred embodiment of automobile bearing that the utility model surveys revolving speed based on electromagnetic induction;
Fig. 2 is the circuit structure signal for one preferred embodiment of automobile bearing that the utility model surveys revolving speed based on electromagnetic induction Figure;
The components in the drawings are labeled as follows: 1, bearing inner race;2, bearing outer ring;3, cylindrical roller;4, retainer;5, magnetic Property roller;6, it is embedded in permanent magnet;7, fixed permanent magnet;8, loop coil;9, voltage checking chip;10, pulse counter.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment includes:
A kind of automobile bearing for surveying revolving speed based on electromagnetic induction, including bearing inner race 1, bearing outer ring 2,3 and of cylindrical roller Retainer 4, the bearing outer ring 2 are looped around the outside of the bearing inner race 1, the bearing outer ring 2 and the bearing inner race 1 it Between be equipped with void layer, the retainer 4 is equipped between the bearing inner race 1 and the bearing outer ring 2, inside the retainer 4 It sets up and connects the cylindrical roller 3,3 top and bottom of cylindrical roller contradict respectively connects the bearing outer ring 2 and described Bearing inner race 1 includes one and only one magnetic roller 5, a side end face of the magnetism roller 5 inside the cylindrical roller 3 Upper smooth chimeric one piece of insertion permanent magnet 6, the 1 peripheral surface side upper end of bearing inner race is connected and fixed permanent magnet 7, described solid Determine to be embedded in permanent magnet 6 described in the side end face face of permanent magnet 7, the inner peripheral surface lower end of the bearing outer ring 2 connects downwards a ring Shape coil 8, the loop coil 8 is between the fixed permanent magnet 7 and the insertion permanent magnet 6.
In addition, the both ends of the loop coil 8 connect voltage checking chip 9,9 output end of the voltage checking chip connection Pulse counter 10.
In addition, the opposite face of the insertion permanent magnet 6 and the fixed permanent magnet 7 is synonyms pole.
In addition, being integrated with signal amplifier in the voltage checking chip 9.
The working principle of the utility model is the outside that bearing outer ring 2 is looped around bearing inner race 1, bearing outer ring 2 and bearing It is equipped with void layer between inner ring 1, retainer 4 is equipped between bearing inner race 1 and bearing outer ring 2, connection circle is set up inside retainer 4 Column roller 3,3 top and bottom of cylindrical roller contradict connection bearing outer ring 2 and bearing inner race 1 respectively.
It is smooth chimeric on a side end face of magnetic roller 5 comprising one and only one magnetic roller 5 inside cylindrical roller 3 One piece of insertion permanent magnet 6,1 peripheral surface side upper end of bearing inner race are connected and fixed permanent magnet 7, the side end face of fixed permanent magnet 7 Face is embedded in permanent magnet 6, and the opposite face for being embedded in permanent magnet 6 and fixed permanent magnet 7 is synonyms pole, the portion of two pieces of permanent magnet faces Divide and form a magnetic field, is the pole N to S by magnetic induction line direction.
The inner peripheral surface lower end of bearing outer ring 2 connects downwards a loop coil 8, and loop coil 8 is located at 7 He of fixed permanent magnet It is embedded between permanent magnet 6, the both ends of loop coil 8 connect voltage checking chip 9, and 9 output end of voltage checking chip connects pulse Counter 10 is integrated with signal amplifier in voltage checking chip 9, and coil 8 can follow bearing outer ring 2 to rotate, and revolves every time Turn that induced electromotive force will be generated because of cutting magnetic induction line, voltage signal is detected core by the magnetic field formed between permanent magnet It is output to pulse counter 10 after piece acquisition amplification, each peak value of pulse signal is once to rotate, binding time Calculate the revolving speed of current bearing.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases The technical field of pass, is also included in the patent protection scope of the utility model.

Claims (4)

1. a kind of automobile bearing for surveying revolving speed based on electromagnetic induction, including bearing inner race, bearing outer ring, cylindrical roller and holding Frame, which is characterized in that the bearing outer ring is looped around the outside of the bearing inner race, the bearing outer ring and the bearing inner race Between be equipped with void layer, between the bearing inner race and the bearing outer ring be equipped with the retainer, the retainer inner bay If connecting the cylindrical roller, the cylindrical roller top and bottom contradict respectively to be connected in the bearing outer ring and the bearing Circle, it is smooth chimeric on a side end face of the magnetism roller comprising one and only one magnetic roller inside the cylindrical roller One piece of insertion permanent magnet, bearing inner race peripheral surface side upper end is connected and fixed permanent magnet, the side of the fixed permanent magnet Permanent magnet is embedded in described in the face of end face, the inner peripheral surface lower end of the bearing outer ring connects downwards a loop coil, the annular Coil is located between the fixed permanent magnet and the insertion permanent magnet.
2. the automobile bearing according to claim 1 for surveying revolving speed based on electromagnetic induction, which is characterized in that the loop coil Both ends connect voltage checking chip, the voltage checking chip output end connects pulse counter.
3. the automobile bearing according to claim 1 for surveying revolving speed based on electromagnetic induction, which is characterized in that the insertion permanent magnetism The opposite face of body and the fixed permanent magnet is synonyms pole.
4. the automobile bearing according to claim 2 for surveying revolving speed based on electromagnetic induction, which is characterized in that the voltage detecting Signal amplifier is integrated in chip.
CN201820524780.3U 2018-04-13 2018-04-13 The automobile bearing of revolving speed is surveyed based on electromagnetic induction Expired - Fee Related CN208331014U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820524780.3U CN208331014U (en) 2018-04-13 2018-04-13 The automobile bearing of revolving speed is surveyed based on electromagnetic induction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820524780.3U CN208331014U (en) 2018-04-13 2018-04-13 The automobile bearing of revolving speed is surveyed based on electromagnetic induction

Publications (1)

Publication Number Publication Date
CN208331014U true CN208331014U (en) 2019-01-04

Family

ID=64781004

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820524780.3U Expired - Fee Related CN208331014U (en) 2018-04-13 2018-04-13 The automobile bearing of revolving speed is surveyed based on electromagnetic induction

Country Status (1)

Country Link
CN (1) CN208331014U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190104

Termination date: 20190413