CN113390373B - Wireless string type strain sensing system - Google Patents
Wireless string type strain sensing system Download PDFInfo
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- CN113390373B CN113390373B CN202110832913.XA CN202110832913A CN113390373B CN 113390373 B CN113390373 B CN 113390373B CN 202110832913 A CN202110832913 A CN 202110832913A CN 113390373 B CN113390373 B CN 113390373B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/04—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
Abstract
The invention discloses a wireless string type strain sensing system, which belongs to the technical field of strain sensing and comprises a power supply module, wherein the power supply module is electrically connected with a strain sensor, a signal processing circuit, an A/D (analog/digital) conversion module, a singlechip data processing module, a wireless transceiving and communication module, a temperature control module, a processor, a control module and a detection module; the right end of the refrigeration structure is connected with the filtering structure through a connecting pipe, the left end of the refrigeration structure is connected with the heating structure, and the left end of the heating structure extends to the inner wall of the shell; the wireless string type strain sensing system is characterized in that a shell is arranged in the shell, a temperature control device is arranged in the shell, the temperature control device is used for controlling the ambient temperature of the wireless string type strain sensing system, and the wireless string type strain sensing system can be prevented from being influenced by the temperature, so that the service performance and the service life of the wireless string type strain sensing system are improved.
Description
Technical Field
The invention relates to the technical field of strain sensing, in particular to a wireless string type strain sensing system.
Background
In the highly developed modern industry, the development of the modern test technology towards digitization and informatization is a certain development trend, and the most front end of the test system is a sensor, which is the soul of the whole test system and is listed as the top technology by countries in the world, in particular to the IC technology and the computer technology which are rapidly developed in recent years, so that a good and reliable scientific and technological basis is provided for the development of the sensor; the development of sensors is changing day by day, and digitization, multiple functions and intellectualization are the development of modern sensors, while strain sensors are based on a sensor for measuring the strain generated by the stress deformation of an object, and a resistance strain gauge is the most commonly used sensing element and is an important characteristic of the sensing element which can convert the change of the strain on a mechanical component into the change of the resistance.
The conventional wireless string type strain sensing system is easily influenced by temperature in practical application, so that the use performance of the wireless string type strain sensing system can be influenced.
Therefore, a wireless string type strain sensing system is provided.
Disclosure of Invention
The present invention has been made in view of the above and/or other problems with the prior art wireless chordal strain sensing system.
Therefore, an object of the present invention is to provide a wireless string type strain sensing system, which can solve the above-mentioned problem that the conventional wireless string type strain sensing system is easily affected by temperature in practical application by controlling the ambient temperature of the wireless string type strain sensing system through a temperature control module.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a wireless string type strain sensing system comprises a power supply module, wherein the power supply module is electrically connected with a strain sensor, a signal processing circuit, an A/D conversion module, a single chip microcomputer data processing module, a wireless transceiving and communication module, a temperature control module, a processor, a control module and a detection module, and the temperature control module comprises a shell; and
the left end of the refrigerating structure is connected with the heating structure, and the left end of the heating structure extends to the inner wall of the shell;
a rapid distribution structure is arranged in the shell;
the refrigeration structure comprises a refrigeration box arranged at the right end of the shell, a biological ice bag is arranged on the inner wall of the bottom end of the refrigeration box, and a sealing assembly is arranged on the inner wall of the top end of the refrigeration box;
the heating structure comprises a hollow pipe inserted into the shell and the inner wall of the refrigeration box, a fan is fixedly mounted on the right side of the inner wall of the hollow pipe, a fixed plate is fixedly mounted at the right end of the inner wall of the hollow pipe, a one-way valve is mounted on the inner wall of the fixed plate, a connecting plate is fixedly mounted at the left end of the inner wall of the hollow pipe, through holes are formed in two ends of the inner wall of the connecting plate, a U-shaped heating pipe is fixedly mounted at the right end of the connecting plate, and a sponge is fixedly mounted at the right side of the inner wall of the hollow pipe.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the filtering structure comprises a filtering box arranged at the right end of the refrigerating box, wherein liquid is arranged on the inner wall of the bottom end of the refrigerating box, the inner wall of the right end of the filtering box is connected with an air inlet pipe, the output end of the air inlet pipe extends to the inner wall of the liquid, the input end of the air inlet pipe extends to the outside of the filtering box, and the input end of the air inlet pipe is connected with a pipeline.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the right-hand member inner wall of refrigeration case connects the connecting pipe, the connecting pipe right-hand member is connected at the left end inner wall of rose box.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the sealing assembly comprises a box body arranged on the inner wall of the top end of the refrigeration box, a cylinder is arranged on the inner wall of the refrigeration box, a piston is arranged at the output end of the cylinder through a piston rod, and the piston is inserted into the inner wall of the box body.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the quick distribution structure comprises a U-shaped plate installed on the inner wall of the top end of the shell, a box body is installed at the bottom of the U-shaped plate, a servo motor is installed on the inner wall of the box body, a rotating shaft is installed on an output shaft of the servo motor, and square installation plates are arranged on the surface of the rotating shaft in a square mode.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the strain sensor is connected with the signal processing circuit, the signal processing circuit is connected with the A/D conversion module, the A/D conversion module is connected with the single chip microcomputer data processing module, and the single chip microcomputer data processing module is connected with the wireless transceiving and communication module.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the output end of the detection module is connected with the control module, the input end of the control module is connected with the processor, and the output end of the control module is connected with the temperature control module.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the strain sensor is arranged at the top end of the shell, the power module is arranged at the left end of the bottom of the shell, and the wireless transceiving and communication module is arranged at the right end of the bottom of the shell.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the inner wall of the top end of the right side of the shell is provided with a detection module, the bottom end of the left side of the shell is respectively connected with a processor and a control module, and the processor is located below the control module.
As a preferable solution of the wireless string type strain sensing system of the present invention, wherein: the shell is made of metal material.
Compared with the prior art:
1. the temperature control device is used for controlling the ambient temperature of the wireless string type strain sensing system, so that the wireless string type strain sensing system is prevented from being influenced by the temperature, the service performance of the wireless string type strain sensing system is improved, and the service life of the wireless string type strain sensing system is prolonged;
2. the dust in the air is filtered through the filtering structure, so that the dust is prevented from flowing into the shell, and the performance of the wireless string type strain sensing system is prevented from being influenced;
3. the heated air or the cooled air is quickly distributed in the shell through the quick distribution structure, so that the temperature control efficiency is improved;
4. the sponge absorbs moisture in the air, so that the effect of preventing the moisture in the air from flowing into the shell is achieved, and the effect of avoiding short circuit of the wireless string type strain sensing system is achieved;
5. by providing the housing with a metal material, there is an effect of shielding the interference signal.
Drawings
FIG. 1 is a schematic view of the overall structure of a temperature control device according to the present invention;
FIG. 2 is a schematic structural elevation view of a temperature control device according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;
FIG. 5 is a schematic top view of a square plate structure according to the present invention;
FIG. 6 is a flow chart of the present invention.
In the figure: the device comprises a power module 1, a strain sensor 11, a signal processing circuit 12, an A/D conversion module 13, a singlechip data processing module 14, a wireless transceiving and communication module 15, a temperature control module 2, a processor 21, a control module 22, a detection module 23, a temperature control device 3, a shell 31, a filtering structure 32, a filtering box 321, liquid 322, an air inlet pipe 323, a pipeline 324, a connecting pipe 33, a refrigerating structure 34, a refrigerating box 341, a biological ice bag 342, a sealing assembly 343, a box body 3431, a cylinder 3432, a piston 3433, a heating structure 35, a hollow pipe 351, a fan 352, a fixing plate 553, a one-way valve 354, a U-shaped heating pipe 355, a connecting plate 356, a through hole 357, a sponge 358, a rapid distribution structure 36, a U-shaped plate 361, a servo motor 363, a box 364, a rotating shaft 365 and a square plate 366.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a wireless string type strain sensing system, which has the advantage of improving the service performance of the wireless string type strain sensing system, please refer to fig. 1-6, and comprises a power supply module 1, wherein the power supply module 1 is electrically connected with a strain sensor 11, a signal processing circuit 12, an A/D conversion module 13, a singlechip data processing module 14, a wireless transceiving and communication module 15, a temperature control module 2, a processor 21, a control module 22 and a detection module 23, and the temperature control module 2 comprises a shell 31; and
the refrigeration structure 34 is connected to the shell 31, the right end of the refrigeration structure 34 is connected to the filtering structure 32 through a connecting pipe 33, the left end of the refrigeration structure 34 is connected to the heating structure 35, and the left end of the heating structure 35 extends to the inner wall of the shell 31;
a rapid distribution structure 36 is arranged in the shell 31;
further, the refrigeration structure 34 includes a refrigeration box 341 installed at the right end of the housing 31, the inner wall of the bottom end of the refrigeration box 341 is provided with a biological ice bag 342, and the inner wall of the top end of the refrigeration box 341 is provided with a sealing assembly 343;
the heating structure 35 comprises a hollow pipe 351 inserted in the inner wall of the shell 31 and the refrigerating box 341, a fan 352 is fixedly installed on the right side of the inner wall of the hollow pipe 351, a fixing plate 553 is fixedly installed on the right end of the inner wall of the hollow pipe 351, a one-way valve 354 is installed on the inner wall of the fixing plate 553, a connecting plate 356 is fixedly installed on the left end of the inner wall of the hollow pipe 351, through holes 357 are formed in both ends of the inner wall of the connecting plate 356, a U-shaped heating pipe 355 is fixedly installed on the right end of the connecting plate 356, a sponge 358 is fixedly installed on the right side of the inner wall of the hollow pipe 351, specifically, the cooling structure 34 and the heating structure 35 have the function of controlling the temperature, the one-way valve 354 has the function of preventing the heated air from flowing into the cooling structure 34, so as to prolong the service life of the biological ice bag 342, the biological ice bag 342 is a biological product for refrigerating articles and keeping the low temperature state, the biological ice bag 342 has the function of cooling the passing air, and the function of absorbing moisture in the air through the sponge 358.
Further, filtration 32 is including installing filter box 321 at refrigeration case 341 right-hand member, filter box 321 bottom inner wall is equipped with liquid 322, filter box 321 right-hand member inner wall connects intake pipe 323, the output of intake pipe 323 extends to liquid 322 inner wall, the input of intake pipe 323 extends to the filter box 321 outside, the input connecting tube 324 of intake pipe 323, it is specific, have through filtration 32 and carry out filterable effect to the dust in the air, pipeline 324 has the effect of being connected with outside air pump.
Further, the inner wall of the right end of the refrigeration box 341 is connected with a connecting pipe 33, and the right end of the connecting pipe 33 is connected with the inner wall of the left end of the filter box 321.
Further, the sealing assembly 343 includes a box 3431 mounted on an inner wall of a top end of the refrigeration box 341, an air cylinder 3432 is mounted on an inner wall of the refrigeration box 341, an output end of the air cylinder 3432 is provided with a piston 3433 through a piston rod, the piston 3433 is inserted into an inner wall of the box 3431, and specifically, the sealing assembly 343 has an effect of preventing the biological ice bag 342 from cooling passing air.
Further, the rapid distribution structure 36 includes a U-shaped plate 361 installed on the inner wall of the top end of the housing 31, a box 364 is installed at the bottom of the U-shaped plate 361, a servo motor 363 is installed on the inner wall of the box 364, a rotating shaft 365 is installed on an output shaft of the servo motor 363, and a square plate 366 is installed on the surface of the rotating shaft 365 in a square arrangement manner, specifically, the rapid distribution structure 36 has an effect of rapidly distributing cooled or heated air in the housing 31.
Further, the strain sensor 11 is connected to the signal processing circuit 12, the signal processing circuit 12 is connected to the a/D conversion module 13, the a/D conversion module 13 is connected to the single chip data processing module 14, the single chip data processing module 14 is connected to the wireless transceiving and communication module 15, specifically, the strain sensor 11 has an effect of picking up a strain signal and converting the strain signal into an electrical signal, the signal processing circuit 12 has an effect of amplifying and filtering the electrical signal, the a/D conversion module 13 has an effect of receiving the signal and processing the electrical signal processed by the circuit and converting the electrical signal into a digital signal, the single chip data processing module 14 has an effect of processing the digital signal, and the wireless transceiving and communication module 15 has an effect of receiving the processed digital signal and transmitting the digital signal to the monitoring center, so as to analyze data.
Further, the output end of the detection module 23 is connected to the control module 22, the input end of the control module 22 is connected to the processor 21, the output end of the control module 22 is connected to the temperature control module 2, specifically, the detection module 23 is preferably a temperature and humidity sensor, the detection module 23 has an effect of detecting the temperature and humidity in the casing 31, when the temperature and humidity in the casing 31 exceed a limit value, the processor 21 controls the temperature control module 2 through the control module 22, the control module 22 is preferably a controller, and the control module 22 has an effect of controlling an external air pump, the air cylinder 3432, the fan 352 and the U-shaped heating pipe 355.
Further, casing 31 top is equipped with strain sensor 11, casing 31 bottom left end is equipped with power module 1, casing 31 bottom right-hand member is equipped with wireless receiving and dispatching and communication module 15, and is specific, establishes in casing 31 through strain sensor 11, power module 1 and wireless receiving and dispatching and communication module 15, has the effect of shielding interference signal.
Further, casing 31 right side top inner wall is equipped with detection module 23, casing 31 left side bottom is connected with treater 21 and control module 22 respectively, treater 21 is located control module 22 below, specifically, establishes detection module 23, treater 21 and control module 22 in casing 31, has shielding interference signal's effect.
Further, the housing 31 is made of a metal material, and particularly, the housing 31 has a function of shielding the interference signal by being made of the metal material.
In specific use, when the detection module 23 detects that the temperature or humidity in the housing 31 is too low or too high, the control module 22 turns on the external air pump, the blower 352, the U-shaped heating pipe 355 and the servo motor 363, after the external air pump is turned on, the external air pump flows air into the air inlet pipe 323 through the pipe 324, so that the air flows into the liquid 322 through the air inlet pipe 323, the air flowing into the liquid 322 is filtered, dust in the air is filtered, the filtered air flows into the refrigerating box 341 through the connecting pipe 33, after the air flows in, the air flows into the hollow pipe 351 through the blower 352, the air flowing into the hollow pipe 351 flows into the U-shaped heating pipe 355 through the one-way valve 354, when the air flows into the U-shaped heating pipe 355, the U-shaped heating pipe 355 heats the passing air, and the heated air flows into the housing 31 through the sponge 358, so as to increase the temperature in the housing 31 and decrease the humidity in the housing 31;
when the detection module 23 detects that the temperature in the casing 31 is too high, the control module 22 turns on the external air pump, the air cylinder 3432, the fan 352 and the servo motor 363, after the external air pump, the air cylinder 3432, the fan 352 and the servo motor 363 are turned on, the air cylinder 3432 drives the piston 3433 to rise until the piston 3433 is located above the U-shaped heating pipe 355, then the air filtered by the filter structure 32 flows into the refrigerating box 341, the air flowing into the refrigerating box 341 is cooled by the biological ice bag 342, and the cooled air flows into the casing 31 through the hollow pipe 351 by the fan 352, so that the temperature in the casing 31 is reduced;
when the temperature in the housing 31 needs to be controlled, the servo motor 363 drives the square plate 366 to rotate through the rotating shaft 365, and the rotating square plate 366 quickly distributes the heated air or the cooled air in the housing 31, so as to improve the control efficiency.
While the invention has been described with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a wireless string formula strain sensing system, includes power module (1), power module (1) electric connection strain sensor (11), signal processing circuit (12), AD conversion module (13), singlechip data processing module (14), wireless transceiver and communication module (15), temperature control module (2), treater (21), control module (22) and detection module (23), its characterized in that: the temperature control module (2) comprises a housing (31); and
the refrigeration structure (34) is connected to the shell (31), the right end of the refrigeration structure (34) is connected with the filtering structure (32) through a connecting pipe (33), the left end of the refrigeration structure (34) is connected with the heating structure (35), and the left end of the heating structure (35) extends to the inner wall of the shell (31);
a rapid distribution structure (36) is arranged in the shell (31);
the refrigeration structure (34) comprises a refrigeration box (341) arranged at the right end of the shell (31), a biological ice bag (342) is arranged on the inner wall of the bottom end of the refrigeration box (341), and a sealing assembly (343) is arranged on the inner wall of the top end of the refrigeration box (341);
heating structure (35) is including hollow tube (351) of pegging graft at casing (31) and refrigeration case (341) inner wall, hollow tube (351) inner wall right side fixed mounting has fan (352), hollow tube (351) inner wall right-hand member fixed mounting has fixed plate (553), check valve (354) are installed to fixed plate (553) inner wall, hollow tube (351) inner wall left end fixed mounting has connecting plate (356), through-hole (357) have all been seted up at connecting plate (356) inner wall both ends, connecting plate (356) right-hand member fixed mounting has U-shaped heating pipe (355), hollow tube (351) inner wall right side fixed mounting has sponge (358).
2. The wireless string type strain sensing system according to claim 1, wherein the filtering structure (32) comprises a filtering box (321) installed at the right end of the refrigerating box (341), a liquid (322) is arranged on the inner wall of the bottom end of the filtering box (321), an air inlet pipe (323) is connected to the inner wall of the right end of the filtering box (321), the output end of the air inlet pipe (323) extends to the inner wall of the liquid (322), the input end of the air inlet pipe (323) extends to the outside of the filtering box (321), and the input end of the air inlet pipe (323) is connected with the pipeline (324).
3. The wireless string type strain sensing system of claim 1, wherein the inner wall of the right end of the refrigeration box (341) is connected with a connecting pipe (33), and the right end of the connecting pipe (33) is connected with the inner wall of the left end of the filter box (321).
4. The wireless string type strain sensing system of claim 1, wherein the sealing assembly (343) comprises a box body (3431) mounted on the inner wall of the top end of the refrigeration box (341), a cylinder (3432) is mounted on the inner wall of the refrigeration box (341), a piston (3433) is mounted on the output end of the cylinder (3432) through a piston rod, and the piston (3433) is plugged into the inner wall of the box body (3431).
5. The wireless string type strain sensing system according to claim 1, wherein the fast distribution structure (36) comprises a U-shaped plate (361) installed on the inner wall of the top end of the housing (31), a box body (364) is installed at the bottom of the U-shaped plate (361), a servo motor (363) is installed on the inner wall of the box body (364), a rotating shaft (365) is installed on the output shaft of the servo motor (363), and a square plate (366) is installed on the surface of the rotating shaft (365) in a square arrangement.
6. The wireless string type strain sensing system according to claim 1, wherein the strain sensor (11) is connected with a signal processing circuit (12), the signal processing circuit (12) is connected with an A/D conversion module (13), the A/D conversion module (13) is connected with a singlechip data processing module (14), and the singlechip data processing module (14) is connected with a wireless transceiving and communication module (15).
7. The wireless string type strain sensing system according to claim 1, wherein the output end of the detection module (23) is connected with the control module (22), the input end of the control module (22) is connected with the processor (21), and the output end of the control module (22) is connected with the temperature control module (2).
8. The wireless string type strain sensing system according to claim 1, wherein the strain sensor (11) is arranged at the top end of the shell (31), the power module (1) is arranged at the left end of the bottom of the shell (31), and the wireless transceiving and communication module (15) is arranged at the right end of the bottom of the shell (31).
9. The wireless string type strain sensing system according to claim 1, wherein a detection module (23) is arranged on the inner wall of the top end of the right side of the housing (31), a processor (21) and a control module (22) are respectively connected to the bottom end of the left side of the housing (31), and the processor (21) is located below the control module (22).
10. A wireless chordal strain sensing system according to claim 1, characterised in that the housing (31) is provided in a metallic material.
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| CN201688884U (en) * | 2010-08-20 | 2010-12-29 | 四川嘉华企业（集团）股份有限公司 | Device for simulating and detecting autogenous volume deformation of concrete |
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| CN208312630U (en) * | 2018-01-10 | 2019-01-01 | 东莞市宇弘机械设备有限公司 | A kind of air supply device of dust-free workshop |
| CN112228375A (en) * | 2020-08-28 | 2021-01-15 | 江苏久高电子科技有限公司 | High low temperature low pressure fan performance detection case of security |
| CN113108733B (en) * | 2021-04-27 | 2023-05-12 | 河北稳控科技股份有限公司 | Two-wire vibration wire sensor with temperature detection function and detection method thereof |
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Denomination of invention: A Wireless String Strain Sensing System Effective date of registration: 20230731 Granted publication date: 20230411 Pledgee: Bank of China Limited Guangzhou Pearl River Branch Pledgor: GUANGDONG HEZHONG ROAD AND BRIDGE TECHNOLOGY Co.,Ltd. Registration number: Y2023980050373 |
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