CN108151778B - Explosion-proof sensor - Google Patents
Explosion-proof sensor Download PDFInfo
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- CN108151778B CN108151778B CN201810026434.7A CN201810026434A CN108151778B CN 108151778 B CN108151778 B CN 108151778B CN 201810026434 A CN201810026434 A CN 201810026434A CN 108151778 B CN108151778 B CN 108151778B
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- explosion
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- 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
- G01D5/54—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
- G01D5/56—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 means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using electric or magnetic means
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses an explosion-proof sensor which comprises a sensor main body, a circuit board, a coded disc, a coupler, a sensor cover, a light inlet cover and a base, wherein the circuit board is embedded in the center of the sensor main body, an elastic split pin is tightly attached to the outer part of the left side of the circuit board, and a temperature sensor is fixedly connected to the inner part of the center of the elastic split pin. This kind of explosion-proof sensor, the safety circuit embedding sets up in the cable pillar, the shape looks adaptation of safety circuit and cable pillar, convey the signal of telecommunication to corresponding position through the safety circuit in, and the electric current in the circuit passes through the unstable factor discharge in the electromagnetic wave interference immunity ware will electric current, make the electric current reach the high frequency and exchange the change, and the circuit reaches wireless communication, make the security performance reinforcing when improving the efficiency of sensor, it is more explosion-proof, the sensor main part makes a part work in two relatively independent spaces with the sensor lid, and both pass through the coupling joint, strengthen the wholeness of sensor.
Description
Technical Field
The invention relates to the technical field of sensor equipment, in particular to an explosion-proof sensor.
Background
The high-frequency electromagnetic wave radio frequency is called RF for short, the radio frequency is radio frequency current, the radio frequency is a short for high-frequency alternating current change electromagnetic wave, alternating current changing less than 1000 times per second is called low-frequency current, alternating current changing more than 10000 times per second is called high-frequency current, the radio frequency is the high-frequency current, the explosion-proof sensor is a sensor used as a detection element, the explosion-proof sensor is widely applied to detection and control, and has a certain development prospect in the future. It first converts the measured changes into changes in the optical signal and then further converts the optical signal into an electrical signal by means of an opto-electronic element. .
The sensor has the advantages of high precision, fast response, non-contact and the like, and has the advantages of multiple measurable parameters, simple structure and flexible and various forms, but the circuit of the existing sensor is not very safe to implement, the current in the circuit has unstable factors, so that the current cannot reach high-frequency alternating current change, the circuit cannot reach wireless communication, and the integrity of the sensor is not very strong, so that the problem is urgently needed to be improved by an explosion-proof sensor.
Disclosure of Invention
The invention aims to provide an explosion-proof sensor, which detects a human body temperature signal through infrared to solve the problems that the circuit of the sensor proposed in the background technology is not very safe to implement, the current in the circuit has unstable factors, the current cannot reach high-frequency alternating current change, and the circuit cannot achieve wireless communication.
In order to achieve the purpose, the invention provides the following technical scheme: an explosion-proof sensor comprises a sensor main body, a circuit board, a code disc, a coupler, a sensor cover, a light inlet cover and a base, wherein the circuit board is embedded in the center of the sensor main body, an elastic cotter pin is tightly attached to the outer portion of the left side of the circuit board, a temperature sensor is fixedly connected to the inner portion of the center of the elastic cotter pin, the code disc is tightly attached to the outer portion of the upper portion of the temperature sensor, a cable protective pipe is fixedly connected to the outer portion of the side face of the sensor main body, the coupler is movably connected to the outer portion of the right side of the sensor main body, the sensor cover is fixedly connected to the outer portion of the coupler, a pressure plate is embedded in the center of the sensor cover, a coupling circuit is arranged on the outer portion of the upper portion of the pressure plate, a steel, the sensor comprises a sensor body, wherein an insulating washer is fixedly connected to the outside of the left side of the sensor body, a pipe hoop is arranged in the outside of the left side of the insulating washer in an embedded mode, a pouring pipe is arranged outside the bottom end of the pipe hoop, a light inlet cover is arranged in the sensor body in an embedded mode, a USB interface is arranged at the bottom end of the light inlet cover in the inside, an induction head is fixedly connected to the lower portion of the bottom of the light inlet cover, a telescopic rod is fixedly connected to the bottom of a base, and a groove is formed in the upper portion of.
Preferably, the light inlet cover is provided with two mounting holes in the inside, and the light inlet cover is fixedly connected with the sensor main body through the mounting holes.
Preferably, the groove further comprises a receiving optical channel and an electromagnetic wave interference unit, the receiving optical channel is embedded in the center of the groove, and the electromagnetic wave interference unit is fixedly connected to the top of the receiving optical channel.
Preferably, the control panel is fixedly connected to the back of the groove, and the action indicator is fixedly connected to the inside of the center of the control panel.
Preferably, a sensor cover is arranged on the right side of the coupler, a sensor main body is arranged on the left side of the coupler, and the sensor main body is movably connected with the sensor cover through the coupler.
Preferably, the control panel is fixedly connected to the back of the groove, and the action indicator is fixedly connected to the inside of the center of the control panel.
Preferably, a sensor cover is arranged on the right side of the coupler, a sensor main body is arranged on the left side of the coupler, and the sensor main body is movably connected with the sensor cover through the coupler.
Preferably, the electromagnetic wave interference unit is arranged at the top of the receiving optical channel, and the electromagnetic wave interference unit is uniformly distributed above the receiving optical channel in a semi-arc shape.
Preferably, advance the outside top in left side of light lid and be provided with infrared emission tube, advance light lid and infrared emission tube fixed connection, infrared emission tube is provided with two, and even distribution is in advancing light lid left side.
Preferably, a safety circuit is arranged inside the cable protective tube, the safety circuit is embedded in the cable protective tube, and the safety circuit is matched with the shape of the cable protective tube.
Preferably, a telescopic rod is arranged below the induction head and movably connected with the induction head.
Compared with the prior art, the invention has the beneficial effects that: the explosion-proof sensor is characterized in that a sensor main body is movably connected with a sensor cover through a coupler, the sensor is divided into two parts by the design, one part is the sensor main body, the other part is the sensor cover, electromagnetic wave interference isolators in the sensor main body are uniformly distributed above a receiving optical channel in a semi-arc shape, the sensor firstly converts measured changes into optical signals through the receiving optical channel, then transmits the received optical signals to an induction head in an infrared ray form by an infrared ray transmitting tube, the induction head converts the received infrared rays into electric signals, a safety circuit is embedded in a cable protective tube, the safety circuit is matched with the cable protective tube in shape and transmits the electric signals to corresponding positions through the safety circuit, and the current in the circuit discharges unstable factors in the current through the electromagnetic wave interference isolators so that the current achieves high-frequency alternating current changes, and the circuit reaches wireless communication, makes the security performance reinforcing when improving the efficiency of sensor, and is more explosion-proof, and sensor main part and sensor lid make individual part work in two relatively independent spaces, and both pass through the coupling joint, strengthen the wholeness of sensor.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a partial structural view of the light inlet cover of the present invention;
FIG. 4 is a schematic side view of the light inlet cover in front view;
FIG. 5 is a schematic side view of a light-receiving channel according to the present invention;
FIG. 6 is a schematic diagram of an operation indicator according to the present invention.
In the figure: 1. the sensor comprises a sensor main body, 2, a circuit board, 3, a cable protective tube, 4, an elastic split pin, 5, a coded disc, 6, a temperature sensor, 7, a coupler, 8, a coupling circuit, 9, a pressing plate, 10, a sensor cover, 11, a steel sleeve, 12, a safety circuit, 13, a pipe hoop, 14, a pouring tube, 15, an insulating gasket, 16, a light inlet cover, 17, an infrared emission tube, 18, an induction head, 19, a telescopic rod, 20, a USB interface, 21, a mounting hole, 22, a base, 23, a light receiving channel, 24, an electromagnetic wave interference preventer, 25, a groove, 26, an action indicator, 27 and a control panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: an explosion-proof sensor comprises a sensor main body 1, a circuit board 2, a cable protective tube 3, an elastic opening 4, a code disc 5, a temperature sensor 6, a coupler 7, a coupling circuit 8, a pressure plate 9, a sensor cover 10, a steel sleeve 11, a safety circuit 12, a pipe hoop 13, a pouring tube 14, an insulating washer 15, a light inlet cover 16 and a base 22, wherein the circuit board 2 is embedded in the center of the sensor main body 1, the elastic opening pin 4 is tightly attached to the outer portion of the left side of the circuit board 2, the temperature sensor 6 is fixedly connected to the inner portion of the center of the elastic opening pin 4, the code disc 5 is tightly attached to the outer portion above the temperature sensor 6, the cable protective tube 3 is fixedly connected to the outer portion of the side face of the sensor main body 1, the safety circuit 12 is arranged in the cable protective tube 3, the safety circuit 12 is embedded in the cable protective tube 3, and is matched with, the sensor comprises a sensor body 1, a coupler 7, a sensor cover 10, a sensor cover 1, a sensor cover 10, a pressing plate 9, a coupling circuit 8, a steel sleeve 11, a safety circuit 12, an insulating washer 15, a pipe clamp 13, a safety circuit and a safety circuit, wherein the coupler 7 is movably connected to the right side of a coupler 7, the sensor cover 10 is movably connected to the right side of a coupler 7, the sensor body 1 is movably connected to the right, a pouring pipe 14 is arranged outside the bottom end of the pipe hoop 13, an infrared transmitting pipe 17 is arranged above the outer part of the left side of the light inlet cover 16, the light inlet cover 16 is fixedly connected with the infrared transmitting pipe 17, two infrared transmitting pipes 17 are arranged and evenly distributed on the left side of the light inlet cover 16, the light inlet cover 16 is embedded and arranged inside the sensor main body 1, two mounting holes 21 are arranged inside the light inlet cover 16, the light inlet cover 16 is fixedly connected with the sensor main body 1 through the mounting holes 21, the USB interface 20 is arranged at the bottom end inside the light inlet cover 16, an induction head 18 is fixedly connected below the bottom of the light inlet cover 16, a telescopic rod 19 is fixedly connected with the bottom of the base 22, a telescopic rod 19 is arranged below the induction head 18, the telescopic rod 19 is movably connected with the induction head 18, a groove 25 is arranged above the base 22, and a light receiving channel 23 is embedded and arranged inside the center of the groove 25, electromagnetic wave interference killing feature 24 sets up at the top of receiving optical channel 23, electromagnetic wave interference killing feature 24 is the even distribution of "half arc" form in the top of receiving optical channel 23, receive optical channel 23 top fixedly connected with electromagnetic wave interference killing feature 24, control panel 27 fixed connection is at the recess 25 back, the inside fixedly connected with action indicator 26 in center of control panel 27.
The working principle is as follows: before the explosion-proof sensor is used, whether the explosion-proof sensor is perfect is checked, the light inlet cover 16 is fixedly connected with the sensor main body 1 through the mounting hole 21, the sensor main body 1 is installed more firmly, the telescopic rod 19 arranged above the base 22 moves up and down, the height of the induction head 18 is adjusted, after the adjustment is completed, external light enters the light inlet cover 16 above the induction head 18, the measured change is converted into an optical signal through the light receiving channel 23, then the received optical signal is transmitted to the induction head in the form of infrared rays by the aid of the infrared transmitting tube 17, the received infrared rays are converted into electric signals by the induction head 16, the safety circuit 12 is embedded in the cable protective tube 3, the safety circuit 12 is matched with the cable protective tube 3 in shape, the electric signals are transmitted to corresponding positions through the safety circuit 12, and unstable factors in the current are discharged through the electromagnetic wave interference preventer 24 by the current in the circuit, the current is changed by high-frequency alternating current, and the circuit is in wireless communication, because the light receiving channel 23 is wrapped by the light source channel, the light source is better received by the light inlet cover 16, the light signal is better transmitted by the light receiving channel 23, finally, the information is connected with external equipment through the USB interface 20, and the information is transmitted out, and the information can be used without any problem, and the content which is not described in detail in the specification belongs to the prior art known by technicians in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides an explosion-proof sensor, includes sensor main part (1), circuit board (2), code wheel (5), shaft coupling (7), sensor lid (10), advances light lid (16) and base (22), its characterized in that: the sensor is characterized in that a circuit board (2) is embedded in the center of the sensor main body (1), an elastic split pin (4) is tightly attached to the outer portion of the left side of the circuit board (2), a temperature sensor (6) is fixedly connected to the inner portion of the center of the elastic split pin (4), a coded disc (5) is tightly attached to the outer portion of the upper portion of the temperature sensor (6), a cable protective tube (3) is fixedly connected to the outer portion of the side face of the sensor main body (1), a coupler (7) is movably connected to the outer portion of the right side of the sensor main body (1), a sensor cover (10) is fixedly connected to the outer portion of the coupler (7), a pressing plate (9) is embedded in the inner portion of the center of the sensor cover (10), a coupling circuit (8) is arranged on the outer portion of the upper portion of the pressing plate (9), a steel sleeve (11) is fixedly connected to the inner portion, an insulating gasket (15) is fixedly connected to the outer portion of the left side of the sensor main body (1), a pipe hoop (13) is embedded into the outer portion of the left side of the insulating gasket (15), a pouring pipe (14) is arranged on the outer portion of the bottom end of the pipe hoop (13), the light inlet cover (16) is embedded into the sensor main body (1), a USB interface (20) is arranged at the bottom end of the inner portion of the light inlet cover (16), an induction head (18) is fixedly connected to the lower portion of the bottom of the light inlet cover (16), an expansion link (19) is fixedly connected to the bottom of the base (22), and a groove (25) is formed in the upper portion of the base (22);
the groove (25) further comprises a receiving light channel (23) and an electromagnetic wave interference preventer (24), the receiving light channel (23) is embedded in the center of the groove (25), and the electromagnetic wave interference preventer (24) is fixedly connected above the top of the receiving light channel (23);
the electromagnetic wave interference unit (24) is arranged at the top of the receiving optical channel (23), and the electromagnetic wave interference unit (24) is uniformly distributed above the receiving optical channel (23) in a semi-arc shape;
a sensor cover (10) is arranged on the right side of the coupler (7), a sensor main body (1) is arranged on the left side of the coupler (7), and the sensor main body (1) is movably connected with the sensor cover (10) through the coupler (7);
it is provided with infrared emission pipe (17) to advance the outside top in left side of light lid (16), advance light lid (16) and infrared emission pipe (17) fixed connection, infrared emission pipe (17) are provided with two, and even distribution is in advancing light lid (16) left side.
2. An explosion-proof sensor as defined in claim 1, wherein: the light inlet cover (16) is internally provided with two mounting holes (21), and the light inlet cover (16) is fixedly connected with the sensor main body (1) through the mounting holes (21).
3. An explosion-proof sensor as defined in claim 1, wherein: the control plate (27) is fixedly connected to the back of the groove (25), and the action indicator (26) is fixedly connected to the inner center of the control plate (27).
4. An explosion-proof sensor as defined in claim 1, wherein: the cable protection tube is characterized in that a safety circuit (12) is arranged inside the cable protection tube (3), the safety circuit (12) is embedded in the cable protection tube (3), and the safety circuit (12) is matched with the cable protection tube (3) in shape.
5. An explosion-proof sensor as defined in claim 1, wherein: an expansion rod (19) is arranged below the induction head (18), and the expansion rod (19) is movably connected with the induction head (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026434.7A CN108151778B (en) | 2018-01-11 | 2018-01-11 | Explosion-proof sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026434.7A CN108151778B (en) | 2018-01-11 | 2018-01-11 | Explosion-proof sensor |
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| Publication Number | Publication Date |
|---|---|
| CN108151778A CN108151778A (en) | 2018-06-12 |
| CN108151778B true CN108151778B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810026434.7A Active CN108151778B (en) | 2018-01-11 | 2018-01-11 | Explosion-proof sensor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110715725A (en) * | 2019-10-30 | 2020-01-21 | 上海智密技术工程研究所有限公司 | Ship platform comprehensive state evaluation, fault prediction and health management system |
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| WO2002069366A1 (en) * | 2001-02-23 | 2002-09-06 | Osram Sylvania Inc. | High buffer gas pressure ceramic arc tube and method and apparatus for making same |
| DE102007011750B3 (en) * | 2007-03-10 | 2008-04-03 | Dräger Safety AG & Co. KGaA | Infrared-optical gas sensor for concentration determination of e.g. hydrocarbon, in environment, has explosion-protected housing for transmission and display of optically displayed operating conditions of explosive gases to environment |
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2018
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| WO2002069366A1 (en) * | 2001-02-23 | 2002-09-06 | Osram Sylvania Inc. | High buffer gas pressure ceramic arc tube and method and apparatus for making same |
| DE102007011750B3 (en) * | 2007-03-10 | 2008-04-03 | Dräger Safety AG & Co. KGaA | Infrared-optical gas sensor for concentration determination of e.g. hydrocarbon, in environment, has explosion-protected housing for transmission and display of optically displayed operating conditions of explosive gases to environment |
| CN103033280A (en) * | 2012-12-18 | 2013-04-10 | 杨晶 | High-sensitivity thermal-response platinum resistor temperature sensor |
| CN203414607U (en) * | 2013-08-26 | 2014-01-29 | 浙江大华智网科技有限公司 | Active infrared detector |
| CN204028382U (en) * | 2014-08-29 | 2014-12-17 | 深圳市志奋领科技有限公司 | A kind of Novel groove type photoelectric sensor |
| CN204704647U (en) * | 2015-06-10 | 2015-10-14 | 徐云杰 | A kind of infrared induction LED lamp tube |
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