CN113465634A - Wide voltage contact sensor - Google Patents
Wide voltage contact sensor Download PDFInfo
- Publication number
- CN113465634A CN113465634A CN202110791298.2A CN202110791298A CN113465634A CN 113465634 A CN113465634 A CN 113465634A CN 202110791298 A CN202110791298 A CN 202110791298A CN 113465634 A CN113465634 A CN 113465634A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- wide voltage
- threaded pipe
- touch sensor
- triode
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 9
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 7
- 230000004907 flux Effects 0.000 description 3
- 230000005355 Hall effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/147—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses a wide voltage touch sensor, comprising: the screwed pipe, the portable axle of locating in the screwed pipe, locate according to epaxial magnet, locate the sleeve pipe in the screwed pipe, one end and the spring according to axle butt other end and sleeve pipe butt, locate the hall device in the sleeve pipe, locate the intraductal pilot lamp of sleeve and constant current source module, fretwork in the middle of the both ends opening of screwed pipe, the anterior segment of locating the screwed pipe according to the axle just stretches out in the front end opening of screwed pipe according to the front end of axle, the back end of screwed pipe is located to the sleeve pipe, the line tail cover adopts the printing opacity material to make. This contact sensor is equipped with the pilot lamp and shows output state, knows the operating condition of product through the break-make of observing the pilot lamp, and is very directly perceived, differentiates that can be very obvious through naked eye. The touch sensor adopts the constant-current indicator lamp with wide voltage input, namely, when a product is input with certain wide voltage, the luminous power of the indicator lamp is kept constant, and the indicator lamp can display with the same luminous intensity.
Description
Technical Field
The invention relates to the field of sensors, in particular to a wide-voltage contact type sensor.
Background
The touch sensor is also called a hall sensor, and the hall sensor is a magnetic field sensor manufactured according to the hall effect, and is widely applied to the aspects of industrial automation technology, detection technology, information processing and the like.
A pressing shaft is arranged in the Hall sensor, a magnet is pasted on the pressing shaft, and the magnet is used as a switch for controlling the magnetic flux. When the detected object contacts the pressing shaft and the Hall device and is pressed inwards for a certain distance, the position of the magnet moves along with the pressing shaft, the magnetic induction intensity changes along with the pressing shaft, the Hall device cuts a magnetic field line, and the Hall device outputs a switching value signal at the moment, so that a certain position of the detected object can be shown.
At present, the touch sensor on the market does not adopt an indicator lamp to display the output state, and usually judges through the sound of a relay, however, in a noisy working environment, whether a product has output or not is difficult to judge through the sound of the relay.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a wide-voltage contact type sensor which has the advantages of constant-current output indicator light, high repetition precision and stable performance.
The technical scheme of the invention is as follows: a wide voltage touch sensor, comprising: the device comprises a threaded pipe, a pressing shaft movably arranged in the threaded pipe, a magnet arranged on the pressing shaft, a sleeve arranged in the threaded pipe, a spring with one end abutted against the pressing shaft and the other end abutted against the sleeve, a Hall device arranged in the sleeve, a circuit board arranged in the sleeve, an indicator lamp arranged on the circuit board, a line tail sleeve arranged at the tail part of the threaded pipe, a power line connected with the circuit board and penetrating through the line tail sleeve, and a constant current source module arranged on the circuit board, wherein the middle of openings at two ends of the threaded pipe are hollowed out, the pressing shaft is arranged at the front section of the threaded pipe, the front end of the pressing shaft extends out of the opening at the front end of the threaded pipe, the sleeve is arranged at the rear section of the threaded pipe, and the line tail sleeve is made of a light-transmitting material;
the constant current source module includes: wide voltage power input, resistance R1, resistance R2, triode Q1 and triode Q2, wide voltage power input with resistance R1's one end and triode Q1's projecting pole electric connection, resistance R1's the other end with triode Q1's base and triode Q2's projecting pole electric connection, triode Q1's collecting electrode with triode Q2's base and resistance R2's one end electric connection, triode Q2's collecting electrode with the one end electric connection of pilot lamp, the other end of pilot lamp with resistance R2's the other end and hall device electric connection.
Furthermore, the position that the outer wall of sleeve pipe is close to the tail end is equipped with annular protrusion, the inner wall of screwed pipe corresponds annular protrusion is equipped with ring groove, ring protrusion card is gone into in the ring groove.
Further, glue is smeared between the outer wall of the sleeve and the inner wall of the threaded pipe.
Further, be equipped with the shrinkage pool according to the inside of axle, the spring is close to the one end card according to the axle is gone into in the shrinkage pool, the side of shrinkage pool is equipped with the bulge, the sleeve pipe is close to the one end according to the axle corresponds the bulge is equipped with the storage tank, the bulge embedding extremely in the storage tank, the bulge is equipped with and is used for the holding the notch of magnet.
Further, the sheathed tube tail end opening, the line tail cover will sheathed tube afterbody is sealed, the sheathed tube centre is equipped with the cavity, hall device and circuit board are located in the sheathed tube cavity, hall device is located the side of magnet.
Further, glue is filled in a cavity between the sleeve and the wire tail sleeve.
Further, the threaded pipe is cylindrical, and external threads are arranged on the outer wall of the threaded pipe.
Furthermore, the wire tail sleeve is made of milky ABS plastic materials.
Further, the wide voltage input by the wide voltage power supply input end is 5-24V.
By adopting the scheme, the invention has the following beneficial effects:
1. the contact type sensor is provided with the indicating lamp to display the output state, the working state of the product is known by observing the on-off state of the indicating lamp, the operation is very visual, and the operation can be obviously distinguished by naked eyes;
2. the touch sensor adopts the constant current indicator light with wide voltage input, namely, when a product is input with certain wide voltage, the luminous power of the indicator light keeps constant, and the indicator light can display with the same luminous intensity;
3. the threaded pipe and the sleeve of the contact sensor are not only adhered by glue, but also firmly assembled by the protrusion and the clamping groove on the basis, so that the performance and the high precision of the product are ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 2.
Fig. 4 is a circuit diagram of the constant current source module of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 and 2, the present invention provides a wide voltage touch sensor, including: screwed pipe 1, portable locate in the screwed pipe 1 according to axle 2, locate according to the epaxial magnet 5 of 2, locate sleeve pipe 4, one end in the screwed pipe 1 with according to the axle 2 butt other end with the spring 3 of sleeve pipe 4 butt, locate hall device 6 in the sleeve pipe 4, locate circuit board 7 in the sleeve pipe 4, locate pilot lamp 10 on the circuit board 7, locate the line tail cover 8 of 1 afterbody of screwed pipe, with circuit board 7 is connected and is passed the power cord 9 of line tail cover 8 and locate constant current source module on the circuit board 7.
The middle of the opening of the two ends of the threaded pipe 1 is hollowed out, the press shaft 2 is arranged on the front section of the threaded pipe 1, the front end of the press shaft 2 extends out of the opening of the front end of the threaded pipe 1, the press shaft 2 is pressed, and the press shaft 2 can move inwards. The sleeve 4 is arranged at the rear section of the threaded pipe 1.
Referring to fig. 3, specifically, a concave hole 11 is formed in the pressing shaft 2, one end of the spring 3 close to the pressing shaft 2 is clamped into the concave hole 11, and the spring 3 is located in the concave hole 11 to prevent the spring 3 from swinging to the side. The side of shrinkage pool 11 is equipped with bulge 21, bulge 21 and 2 structures as an organic whole according to the axle, sleeve pipe 4 is close to one end according to axle 2 corresponds bulge 21 is equipped with storage tank 12, and storage tank 12 is located between sleeve pipe 4's outer wall and screwed pipe 1's the inner wall, bulge 21 imbeds extremely in the storage tank 12. Press according to axle 2, according to axle 2 inward movement, can remove along sleeve pipe 4 according to the bulge 21 of axle 2 to guarantee to carry out linear motion along the axial according to axle 2, can not rock to the side, guarantee the precision and the stability of sensor.
The fitting clearance between the pressing shaft 2 and the threaded pipe 1 is small, the pressing shaft 2 moves along the central axis, in order to avoid the abrasion caused by the friction resistance generated between the convex part 21 of the pressing shaft 2 and the sleeve 4, ensure the precision and the moving smoothness of the pressing shaft 2, and a clearance of about 0.1mm is formed between the convex part 21 of the pressing shaft 2 and the sleeve 4.
The protrusion 21 is provided with a recess for receiving the magnet 5, and the magnet 5 is disposed in the recess.
The front end of the sleeve 4 is closed, the tail end of the sleeve is opened, and the tail of the sleeve 4 is sealed by the wire tail sleeve 8. The middle of sleeve pipe 4 is equipped with cavity 41, hall device 6 and circuit board 7 are located in the cavity of sleeve pipe 4, just hall device 6 is located the side of magnet 5. The indicator light 10 is arranged on the circuit board 7 and is close to the wire tail sleeve 8, and the wire tail sleeve 8 is made of a light-transmitting material, so that light energy emitted by the indicator light 10 is ensured to be transmitted through the wire tail sleeve 8. And glue is filled in a cavity between the sleeve 4 and the wire tail sleeve 8.
When the object to be measured pushes the pressing shaft 2, the magnet 5 moves towards the spring 3 along with the pressing shaft 2, when the object moves to a certain stroke, the magnet 5 is close to the Hall device 6, the magnetic flux is increased, and due to the Hall effect, the switch is switched on, and the indicator light 10 is lightened. When the pressing shaft 2 has no force, the pressing shaft 2 is reset under the elasticity of the spring 3, the magnet 5 is far away from the Hall device 6, the magnetic flux is reduced, the switch is switched off, and the indicator light 10 is turned off. Preferably, the wire tail sleeve 8 is made of milky ABS plastic material, so that the on and off of the indicator light 10 can be obviously and easily distinguished by naked eyes, and the working state of the product can be visually known.
An annular bulge 42 with a proper length is arranged at a position, close to the tail end, of the outer wall of the sleeve 4, an annular clamping groove 13 is arranged on the inner wall of the threaded pipe 1 corresponding to the annular bulge 42, and the annular bulge 42 is clamped in the annular clamping groove 13. Meanwhile, glue is smeared between the outer wall of the sleeve 4 and the inner wall of the threaded pipe 1. The connection mode of the clamping groove is added on the basis of gluing, so that firm assembly between the threaded pipe 1 and the sleeve 4 is realized. Even if the use time is prolonged and the environment temperature is increased, the glue is aged and fails, the firm connection between the threaded pipe 1 and the sleeve 4 can be ensured in a clamping groove mode, and therefore the performance and the high precision of the product are ensured.
Referring to fig. 4, the constant current source module is provided to ensure that the light emitting intensity of the indicator light 10 is constant when a wide voltage is input, so as to prevent the indicator light 10 from being invisible due to weak light emission. The constant current source module includes: wide voltage supply input, resistor R1, resistor R2, transistor Q1, and transistor Q2. The wide voltage power input end is electrically connected to one end of the resistor R1 and an emitter of the transistor Q1, the other end of the resistor R1 is electrically connected to a base of the transistor Q1 and an emitter of the transistor Q2, a collector of the transistor Q1 is electrically connected to a base of the transistor Q2 and one end of the resistor R2, a collector of the transistor Q2 is electrically connected to one end of the indicator light 10 (i.e., an anode of the diode LED1 in fig. 4), and the other end of the indicator light 10 (a cathode of the diode LED1 in fig. 4) is electrically connected to the other end of the resistor R2 and the hall device (U1 in fig. 4). In this embodiment, the wide voltage input at the wide voltage power input terminal is 5-24V, and is used to supply power to the transistors Q1 and Q2, and then the constant current is output from the collector of the transistor Q2 through the feedback current limiting resistors R1 and R2 to drive the indicator light, so that the constant light intensity of the indicator light is ensured when the wide voltage 5-24V is input to the indicator light 10, and whether the product is output or not can be indicated with the same light intensity.
The threaded pipe 1 is cylindrical, and the outer wall of the threaded pipe is provided with external threads 14, so that the contact type sensor is convenient to mount on other objects.
In conclusion, the invention has the following beneficial effects:
1. the contact type sensor is provided with the indicating lamp to display the output state, the working state of the product is known by observing the on-off state of the indicating lamp, the operation is very visual, and the operation can be obviously distinguished by naked eyes;
2. the touch sensor adopts the constant current indicator light with wide voltage input, namely, when a product is input with certain wide voltage, the luminous power of the indicator light keeps constant, and the indicator light can display with the same luminous intensity;
3. the threaded pipe and the sleeve of the contact sensor are not only adhered by glue, but also firmly assembled by the protrusion and the clamping groove on the basis, so that the performance and the high precision of the product are ensured.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A wide voltage touch sensor, comprising: the device comprises a threaded pipe, a pressing shaft movably arranged in the threaded pipe, a magnet arranged on the pressing shaft, a sleeve arranged in the threaded pipe, a spring with one end abutted against the pressing shaft and the other end abutted against the sleeve, a Hall device arranged in the sleeve, a circuit board arranged in the sleeve, an indicator lamp arranged on the circuit board, a line tail sleeve arranged at the tail part of the threaded pipe, a power line connected with the circuit board and penetrating through the line tail sleeve, and a constant current source module arranged on the circuit board, wherein the middle of openings at two ends of the threaded pipe are hollowed out, the pressing shaft is arranged at the front section of the threaded pipe, the front end of the pressing shaft extends out of the opening at the front end of the threaded pipe, the sleeve is arranged at the rear section of the threaded pipe, and the line tail sleeve is made of a light-transmitting material;
the constant current source module includes: wide voltage power input, resistance R1, resistance R2, triode Q1 and triode Q2, wide voltage power input with resistance R1's one end and triode Q1's projecting pole electric connection, resistance R1's the other end with triode Q1's base and triode Q2's projecting pole electric connection, triode Q1's collecting electrode with triode Q2's base and resistance R2's one end electric connection, triode Q2's collecting electrode with the one end electric connection of pilot lamp, the other end of pilot lamp with resistance R2's the other end and hall device electric connection.
2. The wide voltage touch sensor according to claim 1, wherein an annular protrusion is disposed on an outer wall of the sleeve near the tail end, an annular groove is disposed on an inner wall of the threaded pipe corresponding to the annular protrusion, and the annular protrusion is clamped into the annular groove.
3. The wide voltage touch sensor according to claim 2, wherein glue is applied between the outer wall of the sleeve and the inner wall of the threaded pipe.
4. The wide voltage touch sensor according to claim 1, wherein a recess is formed in the shaft, one end of the spring near the shaft is engaged with the recess, a protrusion is formed beside the recess, an end of the sleeve near the shaft is provided with a receiving groove corresponding to the protrusion, the protrusion is inserted into the receiving groove, and the protrusion is provided with a notch for receiving the magnet.
5. The wide voltage touch sensor according to claim 4, wherein the sleeve has an open end, the wire tail cover seals the end of the sleeve, a cavity is formed in the middle of the sleeve, the Hall device and the circuit board are disposed in the cavity of the sleeve, and the Hall device is located beside the magnet.
6. The wide voltage touch sensor of claim 5, wherein the cavity between the sleeve and the wire tail sleeve is filled with glue.
7. The wide voltage touch sensor according to claim 1, wherein the threaded pipe is cylindrical and has external threads on an outer wall thereof.
8. The wide voltage touch sensor of claim 1, wherein the wire tail sleeve is made of an opalescent ABS plastic material.
9. The wide voltage touch sensor of claim 1, wherein the wide voltage input at the wide voltage power input is 5-24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110791298.2A CN113465634B (en) | 2021-07-13 | 2021-07-13 | Wide voltage contact sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110791298.2A CN113465634B (en) | 2021-07-13 | 2021-07-13 | Wide voltage contact sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113465634A true CN113465634A (en) | 2021-10-01 |
| CN113465634B CN113465634B (en) | 2024-06-11 |
Family
ID=77880019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110791298.2A Active CN113465634B (en) | 2021-07-13 | 2021-07-13 | Wide voltage contact sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113465634B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2577678A1 (en) * | 1985-02-20 | 1986-08-22 | Jaeger | Movement transmission unit placed between the gearbox and the dashboard of a motor vehicle |
| CN86207038U (en) * | 1986-09-16 | 1987-07-08 | 浙江工学院 | Precise hall two states location sensor with indicator lamp |
| CN86208936U (en) * | 1986-11-10 | 1987-08-26 | 浙江工学院 | Precise hall two-state pressure sensor with indicator lamp |
| JP2000161986A (en) * | 1998-12-01 | 2000-06-16 | Robert Bosch Gmbh | Method and apparatus for measuring displacements |
| DE10241214A1 (en) * | 2002-09-06 | 2004-03-18 | Automotive Lighting Reutlingen Gmbh | Control of horizontal angular position of a road vehicle headlights is dependent on steering wheel angle as detected by a position sensor |
| JP2005176526A (en) * | 2003-12-12 | 2005-06-30 | Nsk Ltd | Electric actuator |
| US20060289343A1 (en) * | 2005-06-17 | 2006-12-28 | Schmitt Craig A | Faucet assembly with water quality indicator |
| CN201051136Y (en) * | 2006-12-13 | 2008-04-23 | 中国科学院高能物理研究所 | A magnet polarity recognition device |
| US20090079423A1 (en) * | 2007-09-24 | 2009-03-26 | Klaus Manfred Steinich | Angle sensor |
| KR20100058795A (en) * | 2008-11-25 | 2010-06-04 | 한국델파이주식회사 | Hall type position sensor and exhaust gas recirculation valve comprising the same |
| CN103622805A (en) * | 2013-11-29 | 2014-03-12 | 欧阳永斌 | Handhold electric massage rod with variable stroke |
| CN104895493A (en) * | 2015-06-15 | 2015-09-09 | 义乌市义棉帽厂 | Damping type automatic drilling device |
| CN204697040U (en) * | 2014-12-15 | 2015-10-07 | 深圳市天工机械制造技术开发有限公司 | A kind of Width funtion groove type photoelectric switch |
| CN206738361U (en) * | 2017-05-25 | 2017-12-12 | 上海锐拓五金制品有限公司 | A kind of sealing fastener |
| KR20180135285A (en) * | 2017-06-12 | 2018-12-20 | 한국과학기술원 | Device for detecting lesion location by hall effect sensor, and gyro sensor |
| CN208887559U (en) * | 2018-11-23 | 2019-05-21 | 河南速维电子科技有限公司 | Detection device for the measurement of 3D printer position |
| CN211262264U (en) * | 2019-12-26 | 2020-08-14 | 深圳胜蓝电气有限公司 | Groove type sensor |
-
2021
- 2021-07-13 CN CN202110791298.2A patent/CN113465634B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2577678A1 (en) * | 1985-02-20 | 1986-08-22 | Jaeger | Movement transmission unit placed between the gearbox and the dashboard of a motor vehicle |
| CN86207038U (en) * | 1986-09-16 | 1987-07-08 | 浙江工学院 | Precise hall two states location sensor with indicator lamp |
| CN86208936U (en) * | 1986-11-10 | 1987-08-26 | 浙江工学院 | Precise hall two-state pressure sensor with indicator lamp |
| JP2000161986A (en) * | 1998-12-01 | 2000-06-16 | Robert Bosch Gmbh | Method and apparatus for measuring displacements |
| DE10241214A1 (en) * | 2002-09-06 | 2004-03-18 | Automotive Lighting Reutlingen Gmbh | Control of horizontal angular position of a road vehicle headlights is dependent on steering wheel angle as detected by a position sensor |
| JP2005176526A (en) * | 2003-12-12 | 2005-06-30 | Nsk Ltd | Electric actuator |
| US20060289343A1 (en) * | 2005-06-17 | 2006-12-28 | Schmitt Craig A | Faucet assembly with water quality indicator |
| CN201051136Y (en) * | 2006-12-13 | 2008-04-23 | 中国科学院高能物理研究所 | A magnet polarity recognition device |
| US20090079423A1 (en) * | 2007-09-24 | 2009-03-26 | Klaus Manfred Steinich | Angle sensor |
| KR20100058795A (en) * | 2008-11-25 | 2010-06-04 | 한국델파이주식회사 | Hall type position sensor and exhaust gas recirculation valve comprising the same |
| CN103622805A (en) * | 2013-11-29 | 2014-03-12 | 欧阳永斌 | Handhold electric massage rod with variable stroke |
| CN204697040U (en) * | 2014-12-15 | 2015-10-07 | 深圳市天工机械制造技术开发有限公司 | A kind of Width funtion groove type photoelectric switch |
| CN104895493A (en) * | 2015-06-15 | 2015-09-09 | 义乌市义棉帽厂 | Damping type automatic drilling device |
| CN206738361U (en) * | 2017-05-25 | 2017-12-12 | 上海锐拓五金制品有限公司 | A kind of sealing fastener |
| KR20180135285A (en) * | 2017-06-12 | 2018-12-20 | 한국과학기술원 | Device for detecting lesion location by hall effect sensor, and gyro sensor |
| CN208887559U (en) * | 2018-11-23 | 2019-05-21 | 河南速维电子科技有限公司 | Detection device for the measurement of 3D printer position |
| CN211262264U (en) * | 2019-12-26 | 2020-08-14 | 深圳胜蓝电气有限公司 | Groove type sensor |
Non-Patent Citations (2)
| Title |
|---|
| MARTIN NEUGEBAUER等: "Weak Measurement Enhanced Spin Hall Effect of Light for Particle Displacement Sensing", NANO LETTERS, 31 December 2019 (2019-12-31), pages 422 - 425 * |
| 张俊红主编: "《汽车发动机构造》", 30 April 2006, 天津大学出版社, pages: 147 - 151 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113465634B (en) | 2024-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20060193129A1 (en) | Flashlight with magnetic switch | |
| US4890204A (en) | Ball point pen with self-provided illuminator | |
| CN102968198A (en) | Touch control pen | |
| CN113465634A (en) | Wide voltage contact sensor | |
| US3588512A (en) | Apparatus using radiation sensitive switch for signalling and recording data | |
| CN102135822A (en) | Photoelectric detection multi-directional trigger electronic pen | |
| KR100741512B1 (en) | Switch Having Waterproof Function and Waterproof Lantern Using the Same | |
| CN201196673Y (en) | Multifunctional DC pen | |
| CN210329844U (en) | Intelligent table cabinet | |
| CN212514766U (en) | LED induction type test pencil | |
| CN207019895U (en) | Valve is to level detecting apparatus and valve to position detecting system | |
| AU599583B2 (en) | Arrangement for the contact-less testing of the presence of an electrical voltage | |
| CN211263098U (en) | Smoke and combustible gas detection alarm circuit | |
| CN208397757U (en) | A kind of light bar with mark locating piece | |
| CN221746172U (en) | Test pencil circuit and test pencil | |
| CN218886049U (en) | Relay protection clamp plate on-off state detection device | |
| CN214369429U (en) | Strong light flashlight with annular control knob | |
| CN214845699U (en) | Short circuit detection reminding circuit | |
| CN219301645U (en) | Novel arched photoelectric sensor | |
| CN110677147A (en) | High-reliability photoelectric switch with microswitch characteristic | |
| CN217521577U (en) | Electromagnetic damping conversion encoder | |
| CN219351806U (en) | Infrared camera low pressure detector | |
| CN221598182U (en) | LED driving circuit | |
| KR102719816B1 (en) | Writing stick | |
| CN201965557U (en) | Multi-direction triggered electronic pen for photoelectric detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |