CN111521202A - Adjustable distance inductive sensor - Google Patents
Adjustable distance inductive sensor Download PDFInfo
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- CN111521202A CN111521202A CN202010383397.2A CN202010383397A CN111521202A CN 111521202 A CN111521202 A CN 111521202A CN 202010383397 A CN202010383397 A CN 202010383397A CN 111521202 A CN111521202 A CN 111521202A
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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
- G01D5/12—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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
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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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
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Abstract
The invention relates to the technical field of metal substance non-contact detection and measurement, and discloses an inductive sensor with adjustable distance, which comprises a probe part, a signal acquisition circuit, a first filter circuit, a control circuit MCU, an IO Link interface interaction circuit, an EMC processing circuit, a protection circuit, a first output circuit, an EMI processing circuit, an output LED circuit and a distance adjusting circuit, wherein the probe part is connected with the signal acquisition circuit. This adjustable distance inductance type sensor, through modular circuit structure, realize non-contact response measuring signal, long service life, small in size has the temperature compensation function, the user can set for measuring distance, anti-electromagnetic interference ability is strong, have IO link interface interaction module, control high in the clouds control mode more than can, detection range is more extensive, satisfy adverse circumstances and use, the combined cost is low, same money product can satisfy different trades and use, possess advantages such as function diversification, the problem of current function singleness has been solved.
Description
Technical Field
The invention relates to the technical field of non-contact detection and measurement of metal substances, in particular to an inductive sensor with adjustable distance.
Background
When the metal substance is subjected to non-contact detection measurement, an inductive sensor is required to perform the non-contact detection measurement on the metal substance. The prior art generally adopts a mode of forming discrete components, the detection distance is fixed, the detection distance changes along with the ambient temperature, the change range is larger, the error signal ratio is higher, the size volume is larger, the size can not be made into an ultrathin shape, an IOLink interface is not provided, the fault rate of discrete components is high, the anti-electromagnetic interference capability is poor, an external multi-stage filter processing module can not be used or added in a strong electromagnetic interference occasion, the comprehensive cost is high, and the like
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the inductive sensor with the adjustable distance, which has the advantages of diversified functions and the like and solves the problem of single function in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an inductive sensor with adjustable distance comprises a probe part, a signal acquisition circuit, a filter circuit I, a control circuit MCU, an IO Link interface interaction circuit, an EMC processing circuit, a protection circuit, an output circuit I, an EMI processing circuit, an output LED circuit and a distance adjusting circuit, the probe part is connected with a signal acquisition circuit, the signal acquisition circuit is connected with a control circuit MCU, the first filter circuit is connected with the control circuit MCU, the IO Link interface interaction circuit is connected with the control circuit MCU, the distance adjusting circuit is connected with a control circuit MCU which is connected with an EMC processing circuit, the EMC processing circuit is connected with the protection circuit, the control circuit MCU is connected with the first output circuit, the control circuit MCU is connected with the EMI processing circuit and the output LED circuit.
Preferably, the probe part comprises a magnetic tank and a coil, and the probe part signal acquisition circuit is connected.
Preferably, the output circuit comprises a digital quantity/switching quantity output, an analog quantity output and a Relay output.
Preferably, the EMC circuit is connected with the first output circuit, and the first output circuit is connected with the EMI circuit.
Preferably, the first output circuit is connected with the protection circuit, and the protection circuit is connected with the EMI circuit.
Preferably, the signal acquisition circuit comprises four interfaces, and the signal acquisition circuit is connected with the probe part.
Compared with the prior art, the invention provides an inductive sensor with adjustable distance, which has the following beneficial effects:
1. this adjustable distance inductance type sensor, through modular circuit structure, realize non-contact response measured signal, long service life, small in size, have the temperature compensation function, the user can set for measuring distance, anti-electromagnetic interference ability is strong, have IO link interface interaction module, control can go up high in the clouds control mode, detection range is more extensive, satisfy adverse circumstances and use, the combined cost is low, it uses to satisfy different trades with same money product, solve the problem that the different trades of user do not have special sensor, the user should be more simple and convenient, possess advantages such as function diversification, the problem of current function singleness has been solved.
2. This adjustable distance inductance type sensor adopts the higher intelligent IC chip MCU control of integrated level, and components and parts are less on every side, and built-in program control has the temperature and supplements the function, and is small, and various shapes can be made to the product, and the built-in IOLink interface of sensor makes things convenient for user's communication and information interaction to handle, realizes thing networking high in the clouds control.
3. This adjustable distance inductive sensor adopts independent EMC and EMI treatment circuit, effectively solves the electromagnetic interference problem, adopts output and power polarity protection circuit, solves to connect the wrong line to lead to damaging the sensor problem, adopts independent detection distance adjustable circuit, and the user can be according to actual need, adjusts the detection distance by oneself.
4. The inductive sensor with the adjustable distance has the advantages that the inductive sensor with the adjustable distance has more application modes besides the application modes, the application greatly improves high-precision control of equipment of a user, overall miniaturization and convenience of the equipment and the like, production cost reduction is brought to the user, production resources are compact and reasonably utilized, production efficiency is greatly improved, and meanwhile, the inductive sensor indirectly makes contribution to energy conservation and emission reduction of the user and environmental protection.
5. This adjustable distance inductive sensor, the distance between sensor and the measured object can be adjusted, can carry out the scene according to customer actual installation occasion and mark, and it is convenient to use, can customize according to the size of user equipment design simultaneously, has promoted that user equipment is become more meticulous, convenient, universalization and scope are extensive.
6. The distance-adjustable inductive sensor is provided with an EMC processing technology and an EMI protection technology, outputs a high level or low level mode or an analog quantity output and a relay mode output, has a protection function, and can not damage the sensor due to wrong wiring in output and enable a customer to select and apply a diversified output mode.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Wherein: 100. a probe portion; 101. a signal acquisition circuit; 102. a first filter circuit; 103. a control circuit MCU; 104. an IOLink interface interaction circuit; 105. an EMC processing circuit; 106. a protection circuit; 107. a first output circuit; 108. an EMI processing circuit; 109. an output LED circuit; 110. a distance adjusting circuit.
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, an inductive sensor with adjustable distance comprises a probe part 100, the probe part 100 comprises a magnetic tank and a coil, a signal acquisition circuit 101 of the probe part 100 is connected, the signal acquisition circuit 101 and the signal acquisition circuit 101 comprise four interfaces, the signal acquisition circuit 101 is connected with the probe part 100, a first filter circuit 102, a control circuit MCU103, an IO Link interface interaction circuit 104, an EMC processing circuit 105, the EMC circuit 105 is connected with a first output circuit 107, the first output circuit 107 is connected with an EMI circuit 108, a first protection circuit 106, the first output circuit 107 comprises a digital quantity/switching quantity output, an analog quantity output and a Relay output, the EMI processing circuit 108, an output LED circuit 109 and a distance adjusting circuit 110, the probe part 100 is connected with the signal acquisition circuit 101, the signal acquisition circuit 101 is connected with the control circuit MCU103, the filter circuit I102 is connected with the control circuit MCU103, the IO Link interface interaction circuit 104 is connected with the control circuit MCU103, the distance adjusting circuit 110 is connected with the control circuit MCU103, the control circuit MCU103 is connected with the EMC processing circuit 105, the EMC processing circuit 105 is connected with the protection circuit 106, the output circuit I107 is connected with the protection circuit 106, the protection circuit 106 is connected with the EMI circuit 108, the control circuit MCU103 is connected with the output circuit I107, the control circuit MCU103 is connected with the EMI processing circuit 108, the control circuit MCU103 is connected with the output LED circuit 109, the intelligent IC chip MCU with higher integration level is adopted for control, the surrounding components are fewer, the built-in program control is adopted, the temperature supplement function is provided, the size is small, products can be made into various shapes, the sensor is internally provided with an IOLink interface, the Internet of things is convenient for user communication and information interaction processing, the Internet of things is realized, the independent EMC and processing circuit 108 are adopted, the problem of electromagnetic interference is effectively solved, the problem that a sensor is damaged due to wrong wiring is solved by adopting the output and power supply polarity protection circuit 106, an independent detection distance adjustable circuit is adopted, a user can adjust the detection distance according to actual needs, in addition to the application modes, the user has more application modes, the application modes greatly improve high-precision control of equipment of the user, overall miniaturization and convenience of the equipment and the like, production cost reduction is brought to the user, production resources are compactly and reasonably utilized, production efficiency is greatly improved, energy conservation and emission reduction are greatly improved for the user, environmental protection indirectly contributes, the distance between the sensor and a detected substance can be adjusted, field calibration can be carried out according to actual installation occasions of the user, the use is convenient, the size can be customized according to the design of the user equipment, and refinement, mass distribution and distribution of the user equipment are improved, The circuit has the advantages of convenience, generalization and wide range, the EMC processing technology and the EMI protection technology are adopted, the high level or low level mode or analog quantity output and relay mode output are output, the protection function is realized, the sensor cannot be damaged due to the fact that wrong wires are connected during output, and a customer selects and applies a diversified output mode.
When in use, the non-contact sensing measurement signal is realized through a modularized circuit structure, the service life is long, the volume is small, the temperature compensation function is provided, a user can set a detection distance, the anti-electromagnetic interference capability is strong, the IO link interface interaction module is provided, the control can be realized in an above-cloud control mode, the detection range is wider, the application in severe environment is met, the comprehensive cost is low, the application in different industries can be met by the same product, the problem that the user does not have a special sensor in different industries is solved, the user is simpler and more convenient, the intelligent IC chip MCU with higher integration level is adopted for control, the surrounding components are fewer, the built-in program control is adopted, the temperature compensation function is provided, the volume is small, the product can be made into various shapes, the IOlink interface is arranged in the sensor, the communication and information interaction processing of the user are facilitated, the Internet of things control, the problem of electromagnetic interference is effectively solved, the problem that a sensor is damaged due to wrong wiring is solved by adopting the output and power supply polarity protection circuit 106, an independent detection distance adjustable circuit is adopted, a user can adjust the detection distance according to actual needs, in addition to the application modes, the user has more application modes, the application modes greatly improve high-precision control of equipment of the user, overall miniaturization and convenience of the equipment and the like, production cost reduction is brought to the user, production resources are compactly and reasonably utilized, production efficiency is greatly improved, energy conservation and emission reduction are greatly improved for the user, environmental protection indirectly contributes, the distance between the sensor and a detected substance can be adjusted, field calibration can be carried out according to actual installation occasions of the user, the use is convenient, the size can be customized according to the design of the user equipment, and refinement, mass distribution and distribution of the user equipment are improved, The circuit has the advantages of convenience, generalization and wide range, the EMC processing technology and the EMI protection technology are adopted, the high level or low level mode or analog quantity output and relay mode output are output, the protection function is realized, the sensor cannot be damaged due to the fact that wrong wires are connected during output, and a customer selects and applies a diversified output mode.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An inductive sensor with adjustable distance, which comprises a probe part (100), a signal acquisition circuit (101), a filter circuit I (102), a control circuit MCU (103), an IO Link interface interaction circuit (104), an EMC processing circuit (105), a protection circuit (106), an output circuit I (107), an EMI processing circuit (108), an output LED circuit (109) and a distance adjusting circuit (110), and is characterized in that: the probe part (100) is connected with a signal acquisition circuit (101), the signal acquisition circuit (101) is connected with a control circuit MCU (103), a filter circuit I (102) is connected with the control circuit MCU (103), an IOLink interface interaction circuit (104) is connected with the control circuit MCU (103), a distance adjusting circuit (110) is connected with the control circuit MCU (103), the control circuit MCU (103) is connected with an EMC processing circuit (105), the EMC processing circuit (105) is connected with a protection circuit (106), the control circuit MCU (103) is connected with an output circuit I (107), the control circuit MCU (103) is connected with the EMI processing circuit (108), and the control circuit MCU (103) is connected with an output LED circuit (109).
2. The adjustable distance inductive sensor according to claim 1, wherein: the probe part (100) comprises a magnetic tank and a coil, and the probe part (100) is connected with a signal acquisition circuit (101).
3. The adjustable distance inductive sensor according to claim 1, wherein: the first output circuit (107) comprises a digital quantity/switching value output, an analog quantity output and a Relay output.
4. The adjustable distance inductive sensor according to claim 1, wherein: the EMC circuit (105) is connected to the output circuit one (107), and the output circuit one (107) is connected to the EMI circuit (108).
5. The adjustable distance inductive sensor according to claim 1, wherein: the first output circuit (107) is connected to the protection circuit (106), and the protection circuit (106) is connected to the EMI circuit (108).
6. The adjustable distance inductive sensor according to claim 1, wherein: the signal acquisition circuit (101) comprises four interfaces, and the signal acquisition circuit (101) is connected with the probe part (100).
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CN202010383397.2A CN111521202A (en) | 2020-05-08 | 2020-05-08 | Adjustable distance inductive sensor |
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CN202010383397.2A CN111521202A (en) | 2020-05-08 | 2020-05-08 | Adjustable distance inductive sensor |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1603802A (en) * | 2004-10-28 | 2005-04-06 | 上海交通大学 | Intelligent metal detector |
US7847539B2 (en) * | 2007-02-15 | 2010-12-07 | Sick Ag | Inductive proximity sensor |
CN102141813A (en) * | 2011-04-15 | 2011-08-03 | 三峡电力职业学院 | Inductive tracking trolley and tracking method thereof |
CN202204939U (en) * | 2011-06-27 | 2012-04-25 | 北京交通大学 | Intelligent metal detector |
CN105092697A (en) * | 2015-07-13 | 2015-11-25 | 上海兰宝传感科技股份有限公司 | Metal detection system based on free damped oscillation technology and detection method |
CN205749936U (en) * | 2016-07-14 | 2016-11-30 | 上海工程技术大学 | A kind of accurate adjustable high precision sensor for intelligent vehicle metallic traces |
CN209485377U (en) * | 2019-03-15 | 2019-10-11 | 量一度(苏州)传感科技有限公司 | A kind of micro magnetic sensor circuit |
-
2020
- 2020-05-08 CN CN202010383397.2A patent/CN111521202A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1603802A (en) * | 2004-10-28 | 2005-04-06 | 上海交通大学 | Intelligent metal detector |
US7847539B2 (en) * | 2007-02-15 | 2010-12-07 | Sick Ag | Inductive proximity sensor |
CN102141813A (en) * | 2011-04-15 | 2011-08-03 | 三峡电力职业学院 | Inductive tracking trolley and tracking method thereof |
CN202204939U (en) * | 2011-06-27 | 2012-04-25 | 北京交通大学 | Intelligent metal detector |
CN105092697A (en) * | 2015-07-13 | 2015-11-25 | 上海兰宝传感科技股份有限公司 | Metal detection system based on free damped oscillation technology and detection method |
CN205749936U (en) * | 2016-07-14 | 2016-11-30 | 上海工程技术大学 | A kind of accurate adjustable high precision sensor for intelligent vehicle metallic traces |
CN209485377U (en) * | 2019-03-15 | 2019-10-11 | 量一度(苏州)传感科技有限公司 | A kind of micro magnetic sensor circuit |
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Application publication date: 20200811 |