CN114101105B - Ultrasonic flaw detection device for water heater flange based on Internet of things - Google Patents
Ultrasonic flaw detection device for water heater flange based on Internet of things Download PDFInfo
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- CN114101105B CN114101105B CN202111392916.2A CN202111392916A CN114101105B CN 114101105 B CN114101105 B CN 114101105B CN 202111392916 A CN202111392916 A CN 202111392916A CN 114101105 B CN114101105 B CN 114101105B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses an ultrasonic flaw detection device for a water heater flange based on the Internet of things, which comprises a base, a rotating mechanism, a clamping mechanism, a flaw detection mechanism, an image acquisition mechanism and a conveying mechanism, wherein the rotating mechanism is matched with the clamping mechanism, so that carrying and sorting are realized, ultrasonic flaw detection and surface detection are realized, and the intellectualization of the device is improved; the clamping mechanism can synchronously move up and down and clamp through the second motor, so that the working process is greatly improved, the cost of the device is reduced, two steps are realized through simple mechanical control, multi-step program control is not needed, the problem of program BUG is solved, and the reliability of the device is improved; the wireless communication module can conduct remote control, the intellectualization of the device is further improved, the power supply circuit conducts accurate stable voltage output through voltage feedback and current feedback, and the reliability of the device is improved due to the fact that the current amplifying circuit is added.
Description
Technical Field
The invention relates to the field of water heater flange matching equipment, in particular to an ultrasonic flaw detection device for a water heater flange based on the Internet of things.
Background
In the existing ultrasonic flaw detection devices, flaw detection is carried out by an ultrasonic flaw detection principle, and functions are only used for flaw detection, but various integrated devices are also generated along with the continuous improvement of the modern intelligent level. In the production process of the water heater flange, ultrasonic flaw detection is needed, surface appearance detection is needed, most of surface appearance detection is stopped at a manual sampling detection stage at present, and if ultrasonic flaw detection and surface appearance detection are needed to be all detected, multiple turnover is needed, so that the production efficiency is greatly reduced; moreover, in the ultrasonic flaw detection process, voltage fluctuation can occur due to ultrasonic wave emission, an ultrasonic wave emission power supply circuit and a signal acquisition circuit are generally adopted to work in a separated mode, and a main power supply can also cause the signal acquisition circuit or the ultrasonic wave emission circuit to generate signal fluctuation due to the voltage fluctuation of the ultrasonic wave emission, so that flaw detection accuracy is affected.
Disclosure of Invention
The invention aims to overcome the defects, and provides an ultrasonic flaw detection device for a water heater flange based on the Internet of things.
The invention realizes the above purpose through the following technical scheme:
the ultrasonic flaw detection device for the water heater flange based on the Internet of things comprises a base, a rotating mechanism, a clamping mechanism, a flaw detection mechanism, an image acquisition mechanism and a conveying mechanism, wherein the conveying mechanism comprises four transmission belts which are circumferentially and uniformly arranged on the periphery of the base, the water heater flange is arranged on each transmission belt, the rotating mechanism is arranged on the base, the transmission mechanism is in transmission connection with the clamping mechanism, the flaw detection mechanism is arranged on the clamping mechanism, and the image acquisition mechanism is positioned on the base;
the clamping mechanism comprises a first fixing seat, a second motor, a second rotating shaft, a screw rod, a sleeve, a first gear, four transmission components and four clamping blocks, wherein the second fixing seat is positioned below the first fixing seat, the second motor is arranged on the first fixing seat and is in transmission connection with the screw rod through the second rotating shaft, the sleeve is fixed above the second fixing seat, the screw rod penetrates through the sleeve, an inner thread matched with the outer thread of the screw rod is arranged on the inner wall of the sleeve, a circular groove is formed in the lower end surface of the second fixing seat, the first gear is positioned in the groove, the second motor rotates with the first gear through the screw rod, four sliding grooves are uniformly formed in the periphery of the circular groove, the four transmission components are respectively positioned in the four sliding grooves, the first gear is in transmission connection with the four sliding grooves, the four clamping blocks are respectively fixed on the four transmission components, and the inner sides of the four clamping blocks are arc-shaped;
the flaw detection mechanism comprises an ultrasonic probe and an ultrasonic flaw detection assembly, the ultrasonic probe is positioned on the inner wall of the clamping block, and the ultrasonic flaw detection assembly is electrically connected with the ultrasonic probe;
the inside of the base is provided with a wireless communication module, the wireless communication module is electrically connected with the ultrasonic flaw detection assembly and the image acquisition mechanism, and the wireless communication module is in wireless connection with an external communication terminal;
the power module is also arranged in the base and provides electric energy for the wireless communication module, the rotating mechanism, the clamping mechanism, the flaw detection mechanism and the image acquisition mechanism, the power module comprises a power circuit, the power circuit comprises a rectifier bridge, an integrated circuit, a transformer, a first triode, a second triode, a first diode, a second diode, a third diode, a fourth diode, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor and a thirteenth resistor, the input side of the rectifier bridge is externally connected with mains supply, the output end of the rectifier bridge is grounded, the positive electrode of the output end of the rectifier bridge is connected with the input coil of the transformer through the first resistor, the positive electrode of the output bridge is connected with the output end of the rectifier bridge in parallel through the first resistor and the anode of the first capacitor and the eleventh capacitor, the positive electrode of the rectifier bridge is connected with the output end of the fourth resistor in series circuit through the first resistor and the eleventh capacitor and the thirteenth capacitor, the fourth resistor is connected with the output end of the fourth resistor is connected with the fourth resistor in parallel circuit through the fourth resistor in parallel, the fourth resistor is connected with the fourth resistor and the output end of the fourth resistor is connected with the fourth resistor in series circuit, and the fourth resistor is formed by the fourth resistor is connected with the fourth resistor and the fourth resistor is connected with the fourth resistor, the cathode of the first diode is grounded through a sixth capacitor, the cathode of the first diode is connected with the seventh end of the integrated circuit, the cathode of the first diode is connected with the collector of the second triode through a thirteenth resistor and a fourteenth resistor respectively, the cathode of the first diode is grounded through a series circuit composed of a third resistor and a fourth resistor, the second end of the integrated circuit is connected with the third resistor and a fourth resistor respectively, the first end of the integrated circuit is connected with the third resistor and the fourth resistor respectively through a parallel circuit composed of a fifth resistor and a second capacitor, the eighth end of the integrated circuit is grounded through a series circuit composed of a sixth resistor and a fourth capacitor, the fifth end of the integrated circuit is grounded through a series circuit composed of a seventh resistor and an eighth resistor, the ninth capacitor is connected with the eighth resistor in parallel, the collector of the first diode is connected with the anode of the second diode through a twelfth resistor and the third resistor, the twelfth circuit composed of the third resistor is connected with the third resistor in parallel with the collector of the third resistor, the eighth end of the third resistor is connected with the emitter of the third resistor in series circuit through the third resistor and the eighth resistor is connected with the eighth resistor in parallel with the third resistor.
Preferably, the transmission assembly comprises a second gear, a third gear and a sliding frame, wherein the sliding frame is arranged in the sliding groove, the inner side of the sliding frame is fixedly connected with the clamping block, the third gear is positioned in the sliding frame, fixed teeth are uniformly arranged on the inner wall of one side of the sliding frame and meshed with teeth on the third gear, the third gear and the second gear are coaxially arranged and positioned in the sliding groove, and the second gear is meshed with the first gear.
Preferably, the rotating mechanism comprises a first motor, a first rotating shaft, a rotating disc and four connecting rods, wherein the first motor is fixed on the base, the first motor is connected with the rotating disc in a transmission manner through the first rotating shaft, and the rotating disc is connected with the first fixing seat through the connecting rods.
Preferably, the image acquisition mechanism comprises four groups of image acquisition assemblies, each group of image acquisition assemblies comprises two cameras, one camera is located on the lower end face of the second fixing seat, the other camera is fixed on the ground and located under the upper camera, and each group of image acquisition assemblies is located between two driving belts.
Preferably, four guide rods are arranged between the first fixing seat and the second fixing seat, the guide rods are fixed on the first fixing seat, and the end parts of the guide rods are located in the guide grooves on the second fixing seat.
The beneficial effects of the invention are as follows: this an ultrasonic flaw detection device for water heater flange based on thing networking is in:
1. through the cooperation of the rotating mechanism and the clamping mechanism, not only is the carrying and sorting realized, but also the ultrasonic flaw detection and the surface detection are realized, and the intellectualization of the device is improved;
2. the clamping mechanism can synchronously move up and down and clamp through the second motor, so that the working process is greatly improved, the cost of the device is reduced, two steps are realized through simple mechanical control, multi-step program control is not needed, the problem of program BUG is solved, and the reliability of the device is improved;
3. the wireless communication module can be used for remote control, so that the intellectualization of the device is further improved;
4. in the power supply circuit, accurate stable voltage output is performed through voltage feedback and current feedback, and meanwhile, the current amplifying circuit is added, so that the accuracy of voltage control is further improved, and the reliability of the device is improved.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the rotating mechanism of the present invention;
FIG. 3 is a schematic view of the clamping mechanism of the present invention;
FIG. 4 is a bottom view of the clamping mechanism of the present invention;
FIG. 5 is an internal structural view of the second fixing base of the present invention;
FIG. 6 is a schematic view of the structure of the clamping block of the present invention;
fig. 7 is a circuit schematic of the power supply circuit of the present invention.
In the figure: 1. the base, 2, the first motor, 3, the drive belt, 4, the water heater flange, 5, the first rotary shaft, 6, the rotary disk, 7, the connecting rod, 8, the first fixing seat, 9, the camera, 10, the second fixing seat, 11, the guide rod, 12, the second motor, 13, the screw rod, 14, the sleeve, 15, the sliding frame, 16, the clamping block, 17, the first gear, 18, the second gear, 19, the third gear, 20, the groove, 21, the sliding groove, 22, the ultrasonic probe, BR1, the rectifier bridge, U1., T1, the transformer, Q1., the first triode, Q2, the second triode, D1, the first diode, D2., D3, the third diode, D4., the fourth diode, c1, first capacitance, C2., second capacitance, C3., third capacitance, c4, fourth capacitance, C5., fifth capacitance, C6., sixth capacitance, C7., seventh capacitance, C8., eighth capacitance, C9., ninth capacitance, c10, tenth capacitance, c11, eleventh capacitance, c12, twelfth capacitance, c13, thirteenth capacitance, r1, first resistance, r2, second resistance, r3, third resistance, r4, fourth resistance, R5., fifth resistance, R6., R7., seventh resistance, R8., eighth resistance, R9., ninth resistance, r10, tenth resistance, r11, eleventh resistance, r12, twelfth resistance, r13, thirteenth resistance, r14, fourteenth resistance.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
As shown in fig. 1-6, an ultrasonic flaw detection device for a water heater flange based on the internet of things comprises a base 1, a rotating mechanism, a clamping mechanism, a flaw detection mechanism, an image acquisition mechanism and a conveying mechanism, wherein the conveying mechanism comprises four driving belts 3 which are circumferentially and uniformly arranged on the periphery of the base 1, the water heater flange 4 is arranged on each driving belt 3, the rotating mechanism is arranged on the base 1, the driving mechanism is in transmission connection with the clamping mechanism, the flaw detection mechanism is arranged on the clamping mechanism, and the image acquisition mechanism is positioned on the base 1;
the clamping mechanism comprises a first fixing seat 8, a second fixing seat 10, a second motor 12, a second rotating shaft, a screw rod 13, a sleeve 14, a first gear 17, four transmission components and four clamping blocks 16, wherein the second fixing seat 10 is positioned below the first fixing seat 8, the second motor 12 is arranged on the first fixing seat 8, the second motor 12 is in transmission connection with the screw rod 13 through the second rotating shaft, the sleeve 14 is fixed above the second fixing seat 10, the screw rod 13 passes through the sleeve 14, the inner wall of the sleeve 14 is provided with an internal thread matched with the external thread of the screw rod 13, the lower end surface of the second fixing seat 10 is provided with a circular groove 20, the first gear 17 is positioned in the groove 20, the second motor 12 rotates with the first gear 17 through the screw rod 13, four sliding grooves 21 are uniformly arranged on the periphery of the circular groove 20, the four transmission components are respectively positioned in the four sliding grooves 21, the first gear 17 is in transmission connection with the four sliding grooves 21, the four clamping blocks 16 are respectively fixed on the four transmission components, and the inner sides of the four clamping blocks 16 are arc-shaped;
the flaw detection mechanism comprises an ultrasonic probe 22 and an ultrasonic flaw detection assembly, the ultrasonic probe 22 is positioned on the inner wall of the clamping block 16, and the ultrasonic flaw detection assembly is electrically connected with the ultrasonic probe 22;
the inside of base 1 is equipped with wireless communication module, and wireless communication module is connected with ultrasonic flaw detection subassembly and image acquisition mechanism electricity, and wireless communication module and external communication terminal wireless connection.
Specifically, the transmission assembly includes second gear 18, third gear 19 and slip frame 15, and slip frame 15 sets up in sliding tray 21 and the inboard and the clamp splice 16 fixed connection of slip frame 15, and third gear 19 is located the inside of slip frame 15, and the one side inner wall of slip frame 15 evenly is equipped with the fixed tooth, and the fixed tooth meshes with the tooth on the third gear 19, and third gear 19 and the coaxial setting of second gear 18 just are located sliding tray 21, and second gear 18 meshes with first gear 17.
Specifically, the rotary mechanism comprises a first motor 2, a first rotating shaft 5, a rotary table 6 and four connecting rods 7, wherein the first motor 2 is fixed on the base 1, the first motor 2 is in transmission connection with the rotary table 6 through the first rotating shaft 5, and the rotary table 6 is connected with a first fixing seat 8 through the connecting rods 7.
Specifically, the image acquisition mechanism includes four sets of image acquisition components, and every image acquisition component of group includes two cameras 9, and one of them camera 9 is located the lower terminal surface of second fixing base 10, and another camera 9 is fixed subaerial and is located the below of top camera 9, and every image acquisition component of group is located between two drive belts 3, and four drive belts 3 are two liang of 90 degrees, and four image acquisition components of group are two liang of 90 degrees, just so make first motor 2 rotate 45 degrees at every turn and once stop can.
Specifically, four guide rods 11 are arranged between the first fixing seat 8 and the second fixing seat 10, the guide rods 11 are fixed on the first fixing seat 8, and the end parts of the guide rods 11 are located in the guide grooves on the second fixing seat 10.
The working principle of the ultrasonic flaw detection device for the water heater flange based on the Internet of things is as follows: the four driving belts 3 are 90 degrees in pairs, one driving belt 3 is an input driving belt, the other two driving belts are sorting driving belts, the two driving belts 3 are used for respectively conveying products with unqualified ultrasonic flaw detection and unqualified surface detection, and the last driving belt is used for conveying qualified products. Firstly, the water heater flange 4 on the input transmission belt 3 is clamped and fixed through the clamping mechanism, then the rotating mechanism rotates for 45 degrees, the image acquisition assembly is used for acquiring images of the upper end face and the lower end face of the water heater flange 4, the synchronous ultrasonic flaw detection assembly is used for ultrasonic flaw detection through the ultrasonic probe 22, data are transmitted to the wireless communication module, the wireless communication module is used for transmitting the data to the control background, then the rotating mechanism rotates for 45 degrees again, and the corresponding clamping assembly is controlled on the corresponding transmission belt 3 according to the situation by the background to put down the water heater flange 4. The first motor 2 and the second motor 12 are controlled by an external console, and the console receives ultrasonic flaw detection data and surface image acquisition data through a wireless communication module. The wireless communication module is a Guangzhou huge control GRM530 series PLC remote communication 4G module, and the first motor 2 and the second motor 12 are motors produced by Guangzhou Demark motor limited company.
In the clamping mechanism, the second motor 12 controls the screw rod 13 to rotate through the second rotating shaft, the screw rod 13 realizes second fixed downward movement through transmission with the sleeve 14, meanwhile, the first gear 17 synchronously rotates under the action of the screw rod 13, the first gear 17 synchronously controls the four second gears 18 to rotate, the second gear 18 controls the third gear 19 to rotate in the sliding frame 15, the sliding frame 15 moves forwards, and the sliding frame 15 controls the clamping block 16 to fix the water heater flange 4; conversely, the second motor 12 is reversed, and the four clamping blocks 16 release the water heater flange 4 while the second fixing seat 10 moves upwards.
As shown in fig. 7, a power module is further disposed in the base 1, and the power module provides electric energy for the wireless communication module, the rotating mechanism, the clamping mechanism, the flaw detection mechanism and the image acquisition mechanism, and the power module includes a power circuit, wherein the power circuit includes a rectifier bridge BR1, an integrated circuit U1, a transformer T1, a first triode Q1, a second triode Q2, a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a eleventh resistor R10, a twelfth resistor R13 and a thirteenth resistor R13, the input side of the rectifier bridge BR1 is externally connected with the mains supply, the negative electrode of the output end of the rectifier bridge BR1 is grounded, the positive electrode of the output end of the rectifier bridge BR1 is connected with the input coil of the transformer T1 through a first resistor R1, the positive electrode of the output end of the rectifier bridge BR1 is grounded through a series circuit formed by the first resistor R1 and a first capacitor C1, an anti-series circuit formed by an eleventh capacitor C11 and a second diode D2 is connected with the input coil of the transformer T1 in parallel, a tenth resistor R10 is connected with the eleventh capacitor C11 in parallel, the positive electrode of the output end of the rectifier bridge BR1 is connected with the seventh end of the integrated circuit U1 through a series circuit formed by the first resistor R1 and a second resistor R2, the seventh end of the integrated circuit U1 is grounded through a fifth capacitor C5, the output coil of the transformer T1 is connected in parallel with a series circuit formed by a fourth diode D4 and a thirteenth capacitor C13, one end of the feedback coil of the transformer T1 is grounded, the other end of the feedback coil of the transformer T1 is connected with the anode of the first diode D1, the cathode of the first diode D1 is grounded through a sixth capacitor C6, the cathode of the first diode D1 is connected with the seventh end of the integrated circuit U1, the cathode of the first diode D1 is connected with the collector of the second triode Q2 through a thirteenth resistor R13 and a fourteenth resistor R14 respectively, the cathode of the first diode D1 is grounded through a series circuit formed by a third resistor R3 and a fourth resistor R4 respectively, the second end of the integrated circuit U1 is connected with the third resistor R3 and the fourth resistor R4 respectively, the first end of the integrated circuit U1 is connected with the third resistor R3 and the fourth resistor R4 respectively through a parallel circuit formed by a fifth resistor R5 and a second capacitor C2, the eighth end of the integrated circuit U1 is grounded through a third capacitor C3, the eighth end of the integrated circuit U1 is grounded through a series circuit formed by a sixth resistor R6 and a fourth capacitor C4, the fifth end of the integrated circuit U1 is grounded, the sixth end of the integrated circuit U1 is connected with the base of a first triode Q1 through a series circuit formed by a seventh resistor R7 and an eighth resistor R8, a ninth capacitor C9 is connected with the eighth resistor R8 in parallel, the collector of the first triode Q1 is connected with the anode of a second diode D2, the collector of the first triode Q1 is grounded through a series circuit formed by a twelfth capacitor C12 and a third diode D3, the twelfth resistor R12 is connected with the third diode D3 in parallel, the emitter of the first triode Q1 is grounded through an eleventh resistor R11, the emitter of the first triode Q1 is connected with the base of the second triode Q2 through a series circuit formed by a ninth resistor R9 and an eighth capacitor C8, the emitter of the second triode Q2 is grounded, the tenth capacitor C10 is connected to the eighth capacitor C8 and the ninth resistor R9, respectively, and the collector of the second triode Q2 is connected to the third terminal of the integrated circuit U1 through the seventh capacitor C7.
The working principle of the power supply circuit is as follows: the input power supply outputs direct current voltage after being rectified by a rectifier bridge BR1, then the direct current voltage is input to an input coil of a transformer T1, the voltage is output from the output side of the transformer T1 in a single-ended flyback mode, meanwhile, the output voltage is collected through a feedback coil of the transformer T1, a collected voltage signal enters a second end of an integrated circuit U1 to be fed back, reference judgment is carried out according to a signal of a reference end of the integrated circuit U1, and the first triode Q1 is subjected to switch control to carry out voltage stabilizing output; in addition, the third end of the integrated circuit U1 can perform current sampling, in order to avoid current fluctuation caused by power grid fluctuation, after the sampling current passes through the first triode Q1, a current amplifying circuit mainly composed of the second triode Q2 amplifies a sampling current signal, so that the accurate collection of weak current fluctuation is ensured, the stability of voltage output is further controlled, and the reliable operation of the following steps of ultrasonic flaw detection, sampling and the like is improved.
The present invention has been made in view of the above-described circumstances, and it is an object of the present invention to provide a portable electronic device capable of performing various changes and modifications without departing from the scope of the technical spirit of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (2)
1. Ultrasonic flaw detection device for water heater flange based on thing networking, its characterized in that: the flaw detection device comprises a base, a rotating mechanism, a clamping mechanism, a flaw detection mechanism, an image acquisition mechanism and a conveying mechanism, wherein the conveying mechanism comprises four transmission belts which are circumferentially and uniformly arranged on the periphery of the base, a water heater flange is arranged on each transmission belt, the rotating mechanism is arranged on the base, the transmission mechanism is in transmission connection with the clamping mechanism, the flaw detection mechanism is arranged on the clamping mechanism, and the image acquisition mechanism is positioned on the base;
the clamping mechanism comprises a first fixing seat, a second motor, a second rotating shaft, a screw rod, a sleeve, a first gear, four transmission components and four clamping blocks, wherein the second fixing seat is positioned below the first fixing seat, the second motor is arranged on the first fixing seat and is in transmission connection with the screw rod through the second rotating shaft, the sleeve is fixed above the second fixing seat, the screw rod penetrates through the sleeve, an inner thread matched with the outer thread of the screw rod is arranged on the inner wall of the sleeve, a circular groove is formed in the lower end surface of the second fixing seat, the first gear is positioned in the groove, the second motor rotates with the first gear through the screw rod, four sliding grooves are uniformly formed in the periphery of the circular groove, the four transmission components are respectively positioned in the four sliding grooves, the first gear is in transmission connection with the four sliding grooves, the four clamping blocks are respectively fixed on the four transmission components, and the inner sides of the four clamping blocks are arc-shaped;
the flaw detection mechanism comprises an ultrasonic probe and an ultrasonic flaw detection assembly, the ultrasonic probe is positioned on the inner wall of the clamping block, and the ultrasonic flaw detection assembly is electrically connected with the ultrasonic probe;
the inside of the base is provided with a wireless communication module, the wireless communication module is electrically connected with the ultrasonic flaw detection assembly and the image acquisition mechanism, and the wireless communication module is in wireless connection with an external communication terminal;
the power module is also arranged in the base and provides electric energy for the wireless communication module, the rotating mechanism, the clamping mechanism, the flaw detection mechanism and the image acquisition mechanism, the power module comprises a power circuit, the power circuit comprises a rectifier bridge, an integrated circuit, a transformer, a first triode, a second triode, a first diode, a second diode, a third diode, a fourth diode, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor and a thirteenth resistor, the input side of the rectifier bridge is externally connected with mains supply, the output end of the rectifier bridge is grounded, the positive electrode of the output end of the rectifier bridge is connected with the input coil of the transformer through the first resistor, the positive electrode of the output bridge is connected with the output end of the rectifier bridge in parallel through the first resistor and the anode of the first capacitor and the eleventh capacitor, the positive electrode of the rectifier bridge is connected with the output end of the fourth resistor in series circuit through the first resistor and the eleventh capacitor and the thirteenth capacitor, the fourth resistor is connected with the output end of the fourth resistor is connected with the fourth resistor in parallel circuit through the fourth resistor in parallel, the fourth resistor is connected with the fourth resistor and the output end of the fourth resistor is connected with the fourth resistor in series circuit, and the fourth resistor is formed by the fourth resistor is connected with the fourth resistor and the fourth resistor is connected with the fourth resistor, the cathode of the first diode is grounded through a sixth capacitor, the cathode of the first diode is connected with the seventh end of the integrated circuit, the cathode of the first diode is connected with the collector of the second triode through a thirteenth resistor and a fourteenth resistor respectively, the cathode of the first diode is grounded through a series circuit consisting of a third resistor and a fourth resistor, the second end of the integrated circuit is connected with the third resistor and a fourth resistor respectively, the first end of the integrated circuit is connected with the third resistor and the fourth resistor respectively through a parallel circuit consisting of a fifth resistor and a second capacitor, the eighth end of the integrated circuit is grounded through a series circuit consisting of a sixth resistor and a fourth capacitor, the fifth end of the integrated circuit is grounded through a series circuit consisting of a seventh resistor and an eighth resistor, the ninth capacitor is connected with the eighth resistor in parallel, the collector of the first diode is connected with the anode of the second diode through a twelfth resistor and a third diode, the twelfth circuit is connected with the collector of the third diode is connected with the emitter of the third resistor in series circuit through a ninth resistor and the eighth resistor is connected with the base of the eighth resistor in parallel circuit; the transmission assembly comprises a second gear, a third gear and a sliding frame, wherein the sliding frame is arranged in a sliding groove, the inner side of the sliding frame is fixedly connected with the clamping block, the third gear is positioned in the sliding frame, fixed teeth are uniformly arranged on the inner wall of one side of the sliding frame and meshed with teeth on the third gear, the third gear and the second gear are coaxially arranged and positioned in the sliding groove, and the second gear is meshed with the first gear; the rotating mechanism comprises a first motor, a first rotating shaft, a rotating disc and four connecting rods, the first motor is fixed on the base, the first motor is in transmission connection with the rotating disc through the first rotating shaft, and the rotating disc is connected with the first fixing seat through the connecting rods; the image acquisition mechanism comprises four groups of image acquisition components, each group of image acquisition components comprises two cameras, one camera is located on the lower end face of the second fixing seat, the other camera is fixed on the ground and located under the upper camera, and each group of image acquisition components is located between two driving belts.
2. The ultrasonic flaw detection device for a water heater flange based on the internet of things according to claim 1, wherein: four guide rods are arranged between the first fixing seat and the second fixing seat, the guide rods are fixed on the first fixing seat, and the end parts of the guide rods are located in the guide grooves on the second fixing seat.
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| CN114101105A (en) | 2022-03-01 |
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