CN205404597U - Novel photoelectric rotating -speed sensor - Google Patents
Novel photoelectric rotating -speed sensor Download PDFInfo
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- CN205404597U CN205404597U CN201620142664.6U CN201620142664U CN205404597U CN 205404597 U CN205404597 U CN 205404597U CN 201620142664 U CN201620142664 U CN 201620142664U CN 205404597 U CN205404597 U CN 205404597U
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Abstract
The utility model provides a novel photoelectric rotating -speed sensor, include that the type body, ware seat, ware cover and the axle subassembly, an axle subassembly includes pivot, first bearing, second bearing and bearing position cover, and the upper end position department of pivot is connected with grating piece, and grating piece and photoelectric converter coordinate the use, and the pivot is down " T " type, and its bottom is extended to the outside and is formed a cylinder boss, and the cylinder boss is hollow form, and its cavity intussuseption is filled with the damping granule, still is equipped with fixed connection's bottom the pivot iron core in its cavity, twines on the iron core and is connected with electrical coil, the top both sides of pivot be equipped with respectively with first magnet and second magnet, one side magnetic pole polarity that first magnet is relative with the second magnet is opposite, the top fixedly connected with of pivot sets up the quoit between first magnet and second magnet, the quoit with electrical coil connects. It can produce the damping effect at the high -speed in -process that operates, plays the effect of protection spare part.
Description
Technical field
This utility model relates to a kind of photoelectric sensor.
Background technology
Photoelectric sensor is installed on all kinds locomotive shaft-end, provides the speed of service and the direction of motion for locomotive, is the important component part of locomotive safety running.Sensor input axes is connected with tested wheel shaft, and tested wheel shaft drives sensor input axes to rotate, and tested wheel shaft rotating speed is equal with power shaft rotating speed, utilizes the photoelectric effect of optical-electric module, produces the electric impulse signal proportional to vehicle wheel rotational speed, thus realizing testing the speed.
Existing photoelectric revolution speed sensor used in rail transit adopts light-sensitive element to carry out transmitting and the reception of signal, produce electric impulse signal, this sensor has simple in construction, reliable, certainty of measurement advantages of higher, therefore it is widely used, but rotating shaft is under the working condition that continuous high speed rotates, the raceway lubricating requirement of bearing is significantly high.When continuous high speed rotary work state, bearing very easily weares and teares, and when especially requiring high to running accuracy, track traffic safety is existed certain hidden danger by the abrasion of bearing.Meanwhile, can there is violent vibration in rotating shaft, even can cause the fatigue rupture of parts when this vibration reaches a degree of time in the process run up.
Utility model content
This utility model purpose is in that to provide a kind of a kind of novel photoelectric speed probe that can produce effectiveness in vibration suppression in the process of running up, and plays the effect of protection parts.
nullFor achieving the above object，This utility model provides a kind of novel photoelectric speed probe，Including type body，The device seat being connected with this type body，And the device lid being connected with this device seat，Described device seat and with described device lid be integrally connected constitute sensor shell，It is rotatably connected to shaft assembly in described type body，Described shaft assembly includes rotating shaft、Clutch shaft bearing and the second bearing，Described clutch shaft bearing and the second bearing are from top to bottom socketed in described rotating shaft respectively successively，And fix with the axocoel inwall of described type body，Described rotating shaft top is connected with core wheel，The bottom place of described clutch shaft bearing is provided with a bearing positioning sleeve，Described bearing positioning sleeve is socketed in described rotating shaft，The upper end position place of described rotating shaft is connected to lenticular lenses，The optical-electrical converter of described lenticular lenses and its side with the use of，Wherein said rotating shaft is inverted " t " type，A cylinder boss is extended to form laterally bottom it，Described cylinder boss is hollow shape，It is filled with damping particles in its cavity，The iron core that be connected fixing with bottom rotating shaft it is additionally provided with in its cavity，Be intertwined and connected on described iron core hot-wire coil；The top of described rotating shaft is respectively provided on two sides with fixes the first magnet being connected and the second magnet with described core wheel, described first magnet and the relative side pole polarity of the second magnet are contrary, the top of described rotating shaft is fixedly connected with the quoit being arranged between described first magnet and the second magnet, and described quoit is connected with described hot-wire coil.
Preferably, above-mentioned a kind of novel photoelectric speed probe, the outside of wherein said first magnet and described second magnet is respectively connected with magnetic isolation plate.
Preferably, above-mentioned a kind of novel photoelectric speed probe, wherein said damping particles filling rate in described cavity is 30%～85%.
Preferably, above-mentioned a kind of novel photoelectric speed probe, wherein said rotating shaft coordinates socket position to be provided with shoe cream room with described bearing positioning sleeve, described bearing positioning sleeve is provided with the oil-in being connected with described shoe cream room, and the first oil-out connected with described clutch shaft bearing and described second bearing respectively and the second oil-out, connection described oil-in and described first it is additionally provided with in described bearing positioning sleeve, the oil passage excessively of two oil-outs, described bearing positioning sleeve and described axocoel inwall interval are arranged, it is provided with lubricating oil flow space between, described second oil-out is connected with described second bearing by described lubricating oil flow space.
Preferably, above-mentioned a kind of novel photoelectric speed probe, wherein said first oil-out and described second oil-out place are equipped with porous material.
Preferably, above-mentioned a kind of novel photoelectric speed probe, wherein said clutch shaft bearing upper end is provided with a reflux line, and described reflux line connects through described core wheel with described shoe cream room.
Preferably, above-mentioned a kind of novel photoelectric speed probe, the optoelectronic sensor of wherein said optical-electrical converter is photoelectric encoder.
nullIt has the beneficial effect that: this utility model rotating shaft is in the process of running up，Damping particles is close to the edge of cavity under the influence of centrifugal force gradually，And the increase along with rotating speed，Damping particles is eventually squeezed in edge zone in a large number，Now at quoit continuous cutting magnetic induction line in the magnetic field rotated，Magnetic flux in quoit creates induction electromotive force while changing，The closed-loop path that quoit and enamel-covered wire form defines directional current，The hot-wire coil being made up of enamel-covered wire creates magnetic field，The iron core arranged makes magnetic induction increase，Under the action of a magnetic force，Damping particles near iron core will break away from the effect of centrifugal force the very first time，Draw close to hot-wire coil center gradually，Make originally to press together、The granule of chaotic distribution can be recombinated，Collision and the friction probability of damping particles are gradually increased，Effectively increase damping particles damping，Reach the purpose of rotating shaft vibration damping.
Additionally, this utility model arranges shoe cream room in rotating shaft, lubricating oil centrifugation in shoe cream room is thrown away by rotating shaft in the process of running up, passed through oil passage, fuel feeding is carried out to clutch shaft bearing and the second bearing respectively by the first oil-out and the second oil-out, enter raceway, raceway is carried out lasting lubrication.
Except purpose described above, feature and advantage, this utility model also has other purpose, feature and advantage.Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model Figure 1A plot structure enlarged diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that this utility model can limit according to claim and cover is implemented.
nullReferring to Fig. 1 and Fig. 2，A kind of novel photoelectric speed probe，Including type body 1，The device seat 2 being connected with this type body 1，And the device lid 3 being connected with this device seat 2，Device seat 2 and with device lid 3 be integrally connected constitute sensor shell，It is rotatably connected to shaft assembly in type body 1，Described shaft assembly includes rotating shaft 4、Clutch shaft bearing 8 and the second bearing 9，Clutch shaft bearing 8 and the second bearing 9 are from top to bottom socketed in rotating shaft 4 respectively successively，And fix with the axocoel inwall of type body 1，Rotating shaft 4 top is connected with core wheel 5，The bottom place of clutch shaft bearing 8 is provided with a bearing positioning sleeve 10，Bearing positioning sleeve 10 is socketed in rotating shaft 4，The upper end position place of rotating shaft 4 is connected to lenticular lenses 6，The optical-electrical converter 7 of lenticular lenses 6 and its side with the use of，Its shaft 4 is in inverted " t " type，A cylinder boss is extended to form laterally bottom it，Described cylinder boss is hollow shape，It is filled with damping particles 12 in its cavity 11，The iron core 13 that be connected fixing with bottom rotating shaft 4 it is additionally provided with in its cavity 11，Be intertwined and connected on iron core 13 hot-wire coil 14；The top of rotating shaft 4 is respectively provided on two sides with first magnet 15 and second magnet 16 that be connected fixing with core wheel 5, the side pole polarity that first magnet 15 is relative with the second magnet 16 is contrary, the top of rotating shaft 4 is fixedly connected with the quoit 18 being arranged between the first magnet 15 and the second magnet 16, and quoit 18 is connected with hot-wire coil 14.Wherein the outside of the first magnet 15 and the second magnet 16 is respectively connected with magnetic isolation plate 17.
Wherein the damping particles 12 filling rate in cavity 11 is 30%～85%.
Additionally, rotating shaft 4 coordinates socket position to be provided with shoe cream room 19 with bearing positioning sleeve 10, bearing positioning sleeve 10 is provided with the oil-in being connected with shoe cream room 19, and the first oil-out 21 and the second oil-out 22 connected with clutch shaft bearing 8 and the second bearing 9 respectively, connection oil-in and first it is additionally provided with in bearing positioning sleeve 10, two oil-outs (21, 22) oil passage 20 excessively, bearing positioning sleeve 10 and axocoel inwall interval are arranged, lubricating oil flow space it is provided with between bearing positioning sleeve 10 and axocoel inwall, second oil-out 22 is connected with the second bearing 9 by described lubricating oil flow space.
Wherein, the first oil-out 21 and the second oil-out 22 place are equipped with porous material.
It addition, clutch shaft bearing 8 upper end is provided with a reflux line 22, reflux line 22 connects through core wheel 5 with shoe cream room 19.
The optoelectronic sensor of above-mentioned optical-electrical converter is photoelectric encoder.
nullThis technical scheme shaft is in the process of running up，Damping particles is close to the edge of cavity under the influence of centrifugal force gradually，And the increase along with rotating speed，Damping particles is eventually squeezed in edge zone in a large number，Now at quoit continuous cutting magnetic induction line in the magnetic field rotated，Magnetic flux in quoit creates induction electromotive force while changing，The closed-loop path that quoit and enamel-covered wire form defines directional current，The hot-wire coil being made up of enamel-covered wire creates magnetic field，The iron core arranged makes magnetic induction increase，Under the action of a magnetic force，Damping particles near iron core will break away from the effect of centrifugal force the very first time，Draw close to hot-wire coil center gradually，Make originally to press together、The granule of chaotic distribution can be recombinated，Collision and the friction probability of damping particles are gradually increased，Effectively increase damping particles damping，Reach the purpose of rotating shaft vibration damping.
Additionally, this utility model arranges shoe cream room in rotating shaft, lubricating oil centrifugation in shoe cream room is thrown away by rotating shaft in the process of running up, passed through oil passage, fuel feeding is carried out to clutch shaft bearing and the second bearing respectively by the first oil-out and the second oil-out, enter raceway, raceway is carried out lasting lubrication.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (7)
- null1. a novel photoelectric speed probe，Including type body and the device seat that is connected with this type body，And the device lid being connected with this device seat，Described device seat and with described device lid be integrally connected constitute sensor shell，It is rotatably connected to shaft assembly in described type body，Described shaft assembly includes rotating shaft、Clutch shaft bearing and the second bearing，Described clutch shaft bearing and the second bearing are from top to bottom socketed in described rotating shaft respectively successively，And fix with the axocoel inwall of described type body，Described rotating shaft top is connected with core wheel，The bottom place of described clutch shaft bearing is provided with a bearing positioning sleeve，Described bearing positioning sleeve is socketed in described rotating shaft，The upper end position place of described rotating shaft is connected to lenticular lenses，The optical-electrical converter of described lenticular lenses and its side with the use of，It is characterized in that: described rotating shaft is inverted " t " type，A cylinder boss is extended to form laterally bottom it，Described cylinder boss is hollow shape，It is filled with damping particles in its cavity，The iron core that be connected fixing with bottom rotating shaft it is additionally provided with in its cavity，Be intertwined and connected on described iron core hot-wire coil；The top of described rotating shaft is respectively provided on two sides with fixes the first magnet being connected and the second magnet with described core wheel, described first magnet and the relative side pole polarity of the second magnet are contrary, the top of described rotating shaft is fixedly connected with the quoit being arranged between described first magnet and the second magnet, and described quoit is connected with described hot-wire coil.
- 2. a kind of novel photoelectric speed probe according to claim 1, it is characterised in that: the outside of described first magnet and described second magnet is respectively connected with magnetic isolation plate.
- 3. a kind of novel photoelectric speed probe according to claim 1, it is characterised in that: described damping particles filling rate in described cavity is 30%～85%.
- 4. a kind of novel photoelectric speed probe according to claim 1, it is characterized in that: described rotating shaft coordinates socket position to be provided with shoe cream room with described bearing positioning sleeve, described bearing positioning sleeve is provided with the oil-in being connected with described shoe cream room, and the first oil-out connected with described clutch shaft bearing and described second bearing respectively and the second oil-out, connection described oil-in and described first it is additionally provided with in described bearing positioning sleeve, the oil passage excessively of two oil-outs, described bearing positioning sleeve and described axocoel inwall interval are arranged, it is provided with lubricating oil flow space between, described second oil-out is connected with described second bearing by described lubricating oil flow space.
- 5. a kind of novel photoelectric speed probe according to claim 4, it is characterised in that: described first oil-out and described second oil-out place are equipped with porous material.
- 6. a kind of novel photoelectric speed probe according to claim 4, it is characterised in that: described clutch shaft bearing upper end is provided with a reflux line, and described reflux line connects through described core wheel with described shoe cream room.
- 7. a kind of novel photoelectric speed probe according to claim 1, it is characterised in that: the optoelectronic sensor of described optical-electrical converter is photoelectric encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620142664.6U CN205404597U (en) | 2016-02-25 | 2016-02-25 | Novel photoelectric rotating -speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620142664.6U CN205404597U (en) | 2016-02-25 | 2016-02-25 | Novel photoelectric rotating -speed sensor |
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| CN205404597U true CN205404597U (en) | 2016-07-27 |
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| CN201620142664.6U Active CN205404597U (en) | 2016-02-25 | 2016-02-25 | Novel photoelectric rotating -speed sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082204A1 (en) * | 2018-10-22 | 2020-04-30 | 深圳市柔宇科技有限公司 | Flexible electronic apparatus and bending speed detection device therefor |
| CN112924712A (en) * | 2021-01-21 | 2021-06-08 | 邱翔 | Direct current motor with speed measuring device |
| CN114778881A (en) * | 2022-06-21 | 2022-07-22 | 宁波中车时代传感技术有限公司 | Photoelectric rotation speed sensor |
-
2016
- 2016-02-25 CN CN201620142664.6U patent/CN205404597U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082204A1 (en) * | 2018-10-22 | 2020-04-30 | 深圳市柔宇科技有限公司 | Flexible electronic apparatus and bending speed detection device therefor |
| CN112689765A (en) * | 2018-10-22 | 2021-04-20 | 深圳市柔宇科技股份有限公司 | Flexible electronic equipment and bending speed detection device thereof |
| CN112924712A (en) * | 2021-01-21 | 2021-06-08 | 邱翔 | Direct current motor with speed measuring device |
| CN112924712B (en) * | 2021-01-21 | 2023-01-03 | 宏洋电机(威海)有限公司 | Direct current motor with speed measuring device |
| CN114778881A (en) * | 2022-06-21 | 2022-07-22 | 宁波中车时代传感技术有限公司 | Photoelectric rotation speed sensor |
| CN114778881B (en) * | 2022-06-21 | 2022-09-27 | 宁波中车时代传感技术有限公司 | Photoelectric rotation speed sensor |
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Address after: 197 Jinhai Road, Yuhua District, Changsha City, Hunan Province Patentee after: Changsha Nanche Electrical Equipment Co.,Ltd. Address before: 410000 No. 197 Jinhai Road, environmental protection science and Technology Industrial Park, Yuhua District, Changsha City, Hunan Province Patentee before: CHANGSHA NANCHE ELECTRIC Co.,Ltd. |