CN220690049U - Ultrasonic single/double sheet detecting sensor - Google Patents
Ultrasonic single/double sheet detecting sensor Download PDFInfo
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- CN220690049U CN220690049U CN202322255346.3U CN202322255346U CN220690049U CN 220690049 U CN220690049 U CN 220690049U CN 202322255346 U CN202322255346 U CN 202322255346U CN 220690049 U CN220690049 U CN 220690049U
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Abstract
The utility model relates to the technical field of detection, in particular to an ultrasonic single-sheet and double-sheet detection sensor. It is characterized by comprising a power supply module, a control module, an ultrasonic detection head and a display module. The power module is connected with the control module and the ultrasonic detection head in an adapting way, and is used for converting externally input power supply voltage into working voltages of the control module, the ultrasonic detection head and the display module and supplying power to the control module, the ultrasonic detection head and the display module. The ultrasonic detection head and the display module are connected with the control module in an adapting way, and are used for detecting the thickness of the detected product, converting the detection result into an electric signal and transmitting the electric signal to the control module, and the control module is used for comparing the thickness signal with a preset threshold value in the thickness signal, so that the detected product is determined to be single or double, and the single or double is sent into the display module for display. By adopting the sensor, the manpower consumption can be reduced, and the detection accuracy can be improved.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to an ultrasonic single-double detection sensor which can judge whether a product is single or double by detecting the thickness of the product.
Background
The single-sheet and double-sheet detection method is a detection mode for detecting the thickness of a product passing through a production line so as to judge whether the product passing through the production line has overlapping or not. Generally, the machine is used for an automatic processing production line of metal plate-shaped workpieces such as air conditioners, refrigerators, washing machines, dish washers, motor plates and the like.
At present, the traditional single-sheet and double-sheet detection mode is a manual inspection method, namely a worker is arranged at a corresponding station of a production line, and the worker determines whether products overlap or not by utilizing a naked eye observation mode. The method has the advantages of manual visual inspection, more consumed manpower and lower preparation rate.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an ultrasonic single-sheet and double-sheet detection sensor, which can reduce manpower consumption and improve detection accuracy.
In order to solve the problems, the following technical scheme is provided:
the ultrasonic single/double detection sensor is characterized by comprising a power supply module, a control module, an ultrasonic detection head and a display module; the power supply module is connected with the control module and the ultrasonic detection head in an adapting way, and is used for converting externally input power supply voltage into working voltages of the control module, the ultrasonic detection head and the display module and supplying power to the control module, the ultrasonic detection head and the display module; the ultrasonic detection head and the display module are connected with the control module in an adapting way, and are used for detecting the thickness of the detected product, converting the detection result into an electric signal and transmitting the electric signal to the control module, and the control module is used for comparing the thickness signal with a preset threshold value in the thickness signal, so that the detected product is determined to be single or double, and the single or double is sent into the display module for display.
The power supply module comprises a chip U1 and a chip U3, wherein the VIN pin of the chip U1 is connected with an external 24V power supply, the VIN pin of the chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is grounded, the BST pin of the chip U1 is connected with one end of the capacitor C3, the other end of the capacitor C3 is connected with the SW pin of the chip U1, the EN pin of the chip U1 is respectively connected with one ends of a resistor R3 and a resistor R4, the other end of the resistor R3 is connected with the 24V power supply, the other end of the resistor R4 is connected with one end of a resistor R5, and the other end of the resistor R5 is grounded; the SW pin of the chip U1 is respectively connected with one end of an inductor L1 and the cathode of a zener diode D1, the other end of the inductor L1 outputs a 5V power supply, the end of the inductor L1 is connected with one end of a capacitor C4, and the other end of the capacitor C4 and the anode of the zener diode D1 are grounded; one end of an inductor L1 outputting a 5V power supply is connected with one end of a resistor R2 and one end of a capacitor C1 respectively, the other ends of the resistor R2 and the capacitor C1 are connected with one end of the resistor R1 and the FB pin of a chip U1, and the other end of the resistor R1 is grounded; the 5V power supply is connected with the chip U3 in a matching way, so that a 3.3V power supply is formed.
The 5V power supply is respectively connected with Vin pin of the chip U3 and one end of the capacitor C12, the other end of the capacitor C12 is grounded, two OUT pins of the chip U3 are respectively formed into the 3.3V power supply, two OUT pins of the chip U3 are respectively connected with one ends of the capacitor C13 and the capacitor C14, and the other ends of the capacitor C13 and the capacitor C14 are grounded.
The control module is adaptively connected with a 4-20mA analog output signal module and is used for transmitting information of single or double products to the upper computer; the 4-20mA analog output signal module comprises a chip U4, the control module is connected with one end of a resistor R15, the other end of the resistor R15 is respectively connected with a capacitor C16 and one end of the resistor R16, the other end of the capacitor C16 is grounded, the other end of the resistor R16 is respectively connected with one end of a capacitor C17 and a 1IN+ pin of the chip U4, and the other end of the capacitor C17 is grounded; the VCC pin of the chip U4 is connected with the 24V power supply, the VCC pin of the chip U4 is connected with one end of the capacitor C18, and the other end of the capacitor C18 is grounded; the 2OUT pin of the chip U4 is connected with one end of a resistor R23, the other end of the resistor R23 is connected with the base electrode of a triode Q4, the collector electrode of the triode Q4 is connected with the 24V power supply, the emitter electrode of the triode Q4 is respectively connected with one end of a resistor R21 and one end of a resistor R24, the other end of the resistor R21 is connected with one end of a resistor R22, the other end of the resistor R22 is grounded, the other end of the resistor R24 is connected with the positive electrode of a voltage-stabilizing diode D4, the negative electrode of the voltage-stabilizing diode D4 is connected with one end of an inductor L3, the other end of the inductor L3 is connected with one end of a capacitor C20, and the other end of the capacitor C20 is grounded; the OUT1 pin of the chip U4 outputs 4-20mA analog signals, the OUT1 pin of the chip U4 is connected with the 1 IN-pin of the chip U4, the OUT1 pin of the chip U4 is connected with one end of a resistor R19, the other end of the resistor R19 is connected with one end of a resistor R20, and the other end of the resistor R20 is connected with the positive electrode of a zener diode D4.
The control module is adaptively connected with a protection circuit and is used for protecting an NPN switching value output signal and a PNP switching value output signal; the protection circuit comprises a triode Q1, a triode Q2 and a triode Q3; the 5V power supply is connected with one end of a resistor R13, the other end of the resistor R13 is respectively connected with one end of a resistor R12 and the collector of a triode Q3, the other end of the resistor R12 is connected with the base of a triode Q2, the control module is connected with one end of a resistor R10, the control module sends an OUT_PNP signal to the resistor R10, the other end of the resistor R10 is connected with the base of the triode Q3, and the emitter of the triode Q3 is grounded; the 24V power supply is respectively connected with the collector electrode of the triode Q2 and the cathode of the voltage stabilizing diode D3, the anode of the voltage stabilizing diode D3 and the emitter electrode of the triode Q2 are both connected with the anode of the voltage stabilizing diode D5, and the cathode of the voltage stabilizing diode D5 outputs the PNP switching value output signal; the control module is connected with one end of a resistor R11, the control module sends an OUT_NPN signal to the resistor R11, the other end of the resistor R11 is connected with a resistor R14 and a base electrode of a triode Q1 respectively, the other end of the resistor R14 and an emitter electrode of the triode Q1 are grounded, a collector electrode of the triode Q1 is connected with a voltage stabilizing diode D6 and a negative electrode of a voltage stabilizing diode D2 respectively, an NPN switching value output signal is formed by an anode of the voltage stabilizing diode D6, and an anode of the voltage stabilizing diode D2 is grounded.
The display module is an OLED screen.
By adopting the scheme, the method has the following advantages:
because the ultrasonic detection head of the ultrasonic single/double detection sensor is adaptively connected with the control module, the ultrasonic detection head is used for detecting the thickness of a detected product, converting the detection result into an electric signal and transmitting the electric signal to the control module, and the control module is used for comparing the thickness signal with a preset threshold value in the control module, so that the detected product is determined to be single or double. Before the ultrasonic single-sheet and double-sheet detection sensor is used, the thickness of a single product is input into the control module. During operation, the ultrasonic detection head detects the thickness of the product and sends the detection result to the control module, the control module compares the thickness of the detected product with the thickness of the input product, if the product is a single product, the comparison result is consistent, the display module displays that the passed product is a single product, if the product is a double product, the comparison result is inconsistent, the display module displays that the passed product is a double product, thereby realizing the automatic detection of the single product and the double product.
Drawings
FIG. 1 is a control schematic diagram of an ultrasonic single-sheet or double-sheet detection sensor of the present utility model;
FIG. 2 is a schematic circuit diagram of a power module in an ultrasonic single-sheet or double-sheet detection sensor according to the present utility model;
FIG. 3 is a schematic circuit diagram of a control module in an ultrasonic single-sheet or double-sheet detection sensor according to the present utility model;
FIG. 4 is a schematic circuit diagram of an OLED screen in an ultrasonic single-sheet or double-sheet detection sensor of the present utility model;
FIG. 5 is a schematic circuit diagram of a 4-20mA analog output signal module in an ultrasonic single/double detection sensor of the utility model;
fig. 6 is a circuit schematic diagram of a protection circuit in the ultrasonic single-double detection sensor of the present utility model.
Detailed Description
The utility model is described in further detail below in connection with fig. 1-6.
As shown in fig. 1, the ultrasonic single/double detection sensor of the present utility model includes a power module, a control module, an ultrasonic detection head, and a display module.
As shown in fig. 2, the power module includes a chip U1 and a chip U3. In this embodiment, the model of the chip U1 is BL9342, and the model of the chip U3 is AMS1117-3.3. The VIN pin of the chip U1 is connected with an external 24V power supply, the VIN pin of the chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is grounded, the BST pin of the chip U1 is connected with one end of a capacitor C3, the other end of the capacitor C3 is connected with the SW pin of the chip U1, the EN pin of the chip U1 is respectively connected with one ends of a resistor R3 and a resistor R4, the other end of the resistor R3 is connected with a 24V power supply, the other end of the resistor R4 is connected with one end of a resistor R5, and the other end of the resistor R5 is grounded. The SW pin of the chip U1 is respectively connected with one end of the inductor L1 and the cathode of the zener diode D1, the other end of the inductor L1 outputs a 5V power supply, the end of the inductor L1 is connected with one end of the capacitor C4, and the other end of the capacitor C4 and the anode of the zener diode D1 are grounded. One end of an inductor L1 outputting a 5V power supply is connected with one end of a resistor R2 and one end of a capacitor C1 respectively, the other ends of the resistor R2 and the capacitor C1 are connected with one end of the resistor R1 and the FB pin of the chip U1, and the other end of the resistor R1 is grounded. The 5V power supply is adapted to connect with the chip U3, thereby forming a 3.3V power supply. The 5V power supply is connected with Vin pin of the chip U3 and one end of the capacitor C12 respectively, the other end of the capacitor C12 is grounded, two OUT pins of the chip U3 form a 3.3V power supply, two OUT pins of the chip U3 are connected with one ends of the capacitor C13 and the capacitor C14 respectively, and the other ends of the capacitor C13 and the capacitor C14 are grounded. The power supply module generates power for converting an external input 24V power supply into a 5V power supply and a 3.3V power supply to provide power for the control module and the ultrasonic detection head.
In this embodiment, the control module includes a single-chip microcomputer with a model MM32F031F6P6, and a peripheral circuit of the single-chip microcomputer belongs to the prior art, see fig. 3, which is not described herein again.
The model of the ultrasonic detection head is bk+2-M18-DNA-C1R+S, and the ultrasonic detection head is connected with a 5V power supply. The 18 th pin and the 17 th pin of the singlechip are respectively connected with the ultrasonic detection head to realize TTL communication. The ultrasonic detection head detects the thickness of the detected product, converts the detection result into an electric signal and transmits the electric signal to the control module, and the control module is used for comparing the thickness signal with a preset threshold value in the thickness signal, so that the detected product is determined to be single or double, and the single or double detected product is sent to the display module for display. The display module is an OLED screen, and a peripheral circuit of the OLED screen belongs to common general knowledge, see fig. 4, and is not described herein.
As shown in FIG. 5, the 4-20mA analog output signal module contains a chip U4. In this embodiment, the model of the chip U4 is LM358DR2G. The 14 th pin of the singlechip outputs PWM_ADC signals to one end of a resistor R15, the other end of the resistor R15 is respectively connected with one end of a capacitor C16 and one end of the resistor R16, the other end of the capacitor C16 is grounded, the other end of the resistor R16 is respectively connected with one end of a capacitor C17 and a 1IN+ pin of a chip U4, and the other end of the capacitor C17 is grounded. The VCC pin of the chip U4 is connected with a 24V power supply, and the VCC pin of the chip U4 is connected with one end of a capacitor C18, and the other end of the capacitor C18 is grounded. The 2OUT pin of chip U4 links to each other with resistance R23's one end, resistance R23's the other end links to each other with triode Q4's base, triode Q4's collecting electrode connects 24V power, triode Q4's projecting pole links to each other with resistance R21 and resistance R24's one end respectively, resistance R21's the other end links to each other with resistance R22's one end, resistance R22's the other end ground connection, resistance R24's the other end links to each other with zener diode D4's positive pole, zener diode D4's negative pole links to each other with inductance L3's one end, inductance L3's the other end links to each other with capacitance C20's one end, capacitance C20's the other end ground connection. The OUT1 pin of the chip U4 outputs 4-20mA analog signals, the OUT1 pin of the chip U4 is connected with the 1 IN-pin of the chip U4, the OUT1 pin of the chip U4 is connected with one end of a resistor R19, the other end of the resistor R19 is connected with one end of a resistor R20, and the other end of the resistor R20 is connected with the anode of a zener diode D4. The singlechip sends PWM_ADC signals to a 4-20mA analog output signal module, the PWM_ADC converts the signals into equal-proportion voltages through a resistor R15, a capacitor C16, a resistor R16 and a capacitor C17, and a VI conversion circuit formed by a chip U4 and a triode Q4 converts single or double signals into 4-20mA analog signals and transmits the signals to the upper computer.
As shown in fig. 6, the single-chip microcomputer outputs an NPN switching value output signal and a PNP switching value output signal through the protection circuit. The protection circuit comprises a triode Q1, a triode Q2 and a triode Q3. The 5V power supply is connected with one end of a resistor R13, the other end of the resistor R13 is connected with one end of a resistor R12 and the collector of a triode Q3 respectively, the other end of the resistor R12 is connected with the base of a triode Q2, the control module is connected with one end of a resistor R10, the 3 rd pin of the singlechip sends out_PNP signals to the resistor R10, the other end of the resistor R10 is connected with the base of the triode Q3, and the emitter of the triode Q3 is grounded. The 24V power supply is respectively connected with the collector of the triode Q2 and the cathode of the voltage stabilizing diode D3, the anode of the voltage stabilizing diode D3 and the emitter of the triode Q2 are both connected with the anode of the voltage stabilizing diode D5, and the cathode of the voltage stabilizing diode D5 outputs a PNP switching value output signal. The control module is connected with one end of a resistor R11, a 2 nd pin of the singlechip sends an OUT_NPN signal to the resistor R11, the other end of the resistor R11 is respectively connected with a resistor R14 and a base electrode of a triode Q1, the other end of the resistor R14 and an emitter electrode of the triode Q1 are both grounded, a collector electrode of the triode Q1 is respectively connected with a voltage-stabilizing diode D6 and a negative electrode of the voltage-stabilizing diode D2, an NPN switching value output signal is formed by an anode of the voltage-stabilizing diode D6, and an anode of the voltage-stabilizing diode D2 is grounded. According to the upper computer requirement, there is a required NPN output and a required PNP output, so that according to the principle of convenience for customers, a plurality of output modes are provided, and the system is suitable for different applications and working conditions.
During operation, the ultrasonic detection head detects the thickness of the product and sends the detection result to the control module, the control module compares the detected thickness of the product with the input thickness of the product, if the product is a single product, the comparison result is consistent, the display module displays that the passed product is a single product, if the product is a double product, the comparison result is inconsistent, and the display module displays that the passed product is a double product, thereby realizing the automatic detection of the single and the double products.
Claims (6)
1. The ultrasonic single/double detection sensor is characterized by comprising a power supply module, a control module, an ultrasonic detection head and a display module; the power supply module is connected with the control module and the ultrasonic detection head in an adapting way, and is used for converting externally input power supply voltage into working voltages of the control module, the ultrasonic detection head and the display module and supplying power to the control module, the ultrasonic detection head and the display module; the ultrasonic detection head and the display module are connected with the control module in an adapting way, and are used for detecting the thickness of the detected product, converting the detection result into an electric signal and transmitting the electric signal to the control module, and the control module is used for comparing the thickness signal with a preset threshold value in the thickness signal, so that the detected product is determined to be single or double, and the single or double is sent into the display module for display.
2. The ultrasonic single/double detection sensor as claimed in claim 1, wherein the power supply module comprises a chip U1 and a chip U3, the VIN pin of the chip U1 is connected to an external 24V power supply, the VIN pin of the chip U1 is connected to one end of a capacitor C2, the other end of the capacitor C2 is grounded, the BST pin of the chip U1 is connected to one end of the capacitor C3, the other end of the capacitor C3 is connected to the SW pin of the chip U1, the EN pin of the chip U1 is connected to one end of a resistor R3 and one end of a resistor R4 respectively, the other end of the resistor R3 is connected to the 24V power supply, the other end of the resistor R4 is connected to one end of a resistor R5, and the other end of the resistor R5 is grounded; the SW pin of the chip U1 is respectively connected with one end of an inductor L1 and the cathode of a zener diode D1, the other end of the inductor L1 outputs a 5V power supply, the end of the inductor L1 is connected with one end of a capacitor C4, and the other end of the capacitor C4 and the anode of the zener diode D1 are grounded; one end of an inductor L1 outputting a 5V power supply is connected with one end of a resistor R2 and one end of a capacitor C1 respectively, the other ends of the resistor R2 and the capacitor C1 are connected with one end of the resistor R1 and the FB pin of a chip U1, and the other end of the resistor R1 is grounded; the 5V power supply is connected with the chip U3 in a matching way, so that a 3.3V power supply is formed.
3. The ultrasonic single/double detection sensor according to claim 2, wherein the 5V power supply is connected to Vin pin of the chip U3 and one end of the capacitor C12, the other end of the capacitor C12 is grounded, two OUT pins of the chip U3 each form the 3.3V power supply, two OUT pins of the U3 are connected to one ends of the capacitor C13 and the capacitor C14, and the other ends of the capacitor C13 and the capacitor C14 are grounded.
4. The ultrasonic single/double sheet detection sensor according to claim 2, wherein the control module is adaptively connected with a 4-20mA analog output signal module, and is used for transmitting information of single or double sheets of products to an upper computer; the 4-20mA analog output signal module comprises a chip U4, the control module is connected with one end of a resistor R15, the other end of the resistor R15 is respectively connected with a capacitor C16 and one end of the resistor R16, the other end of the capacitor C16 is grounded, the other end of the resistor R16 is respectively connected with one end of a capacitor C17 and a 1IN+ pin of the chip U4, and the other end of the capacitor C17 is grounded; the VCC pin of the chip U4 is connected with the 24V power supply, the VCC pin of the chip U4 is connected with one end of the capacitor C18, and the other end of the capacitor C18 is grounded; the 2OUT pin of the chip U4 is connected with one end of a resistor R23, the other end of the resistor R23 is connected with the base electrode of a triode Q4, the collector electrode of the triode Q4 is connected with the 24V power supply, the emitter electrode of the triode Q4 is respectively connected with one end of a resistor R21 and one end of a resistor R24, the other end of the resistor R21 is connected with one end of a resistor R22, the other end of the resistor R22 is grounded, the other end of the resistor R24 is connected with the positive electrode of a voltage-stabilizing diode D4, the negative electrode of the voltage-stabilizing diode D4 is connected with one end of an inductor L3, the other end of the inductor L3 is connected with one end of a capacitor C20, and the other end of the capacitor C20 is grounded; the OUT1 pin of the chip U4 outputs 4-20mA analog signals, the OUT1 pin of the chip U4 is connected with the 1 IN-pin of the chip U4, the OUT1 pin of the chip U4 is connected with one end of a resistor R19, the other end of the resistor R19 is connected with one end of a resistor R20, and the other end of the resistor R20 is connected with the positive electrode of a zener diode D4.
5. The ultrasonic single/double detection sensor according to claim 2, wherein the control module is adaptively connected with a protection circuit for protecting an NPN switching value output signal and a PNP switching value output signal; the protection circuit comprises a triode Q1, a triode Q2 and a triode Q3; the 5V power supply is connected with one end of a resistor R13, the other end of the resistor R13 is respectively connected with one end of a resistor R12 and the collector of a triode Q3, the other end of the resistor R12 is connected with the base of a triode Q2, the control module is connected with one end of a resistor R10, the control module sends an OUT_PNP signal to the resistor R10, the other end of the resistor R10 is connected with the base of the triode Q3, and the emitter of the triode Q3 is grounded; the 24V power supply is respectively connected with the collector electrode of the triode Q2 and the cathode of the voltage stabilizing diode D3, the anode of the voltage stabilizing diode D3 and the emitter electrode of the triode Q2 are both connected with the anode of the voltage stabilizing diode D5, and the cathode of the voltage stabilizing diode D5 outputs the PNP switching value output signal; the control module is connected with one end of a resistor R11, the control module sends an OUT_NPN signal to the resistor R11, the other end of the resistor R11 is connected with a resistor R14 and a base electrode of a triode Q1 respectively, the other end of the resistor R14 and an emitter electrode of the triode Q1 are grounded, a collector electrode of the triode Q1 is connected with a voltage stabilizing diode D6 and a negative electrode of a voltage stabilizing diode D2 respectively, an NPN switching value output signal is formed by an anode of the voltage stabilizing diode D6, and an anode of the voltage stabilizing diode D2 is grounded.
6. The ultrasonic single-double detection sensor of claim 1, wherein the display module is an OLED screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322255346.3U CN220690049U (en) | 2023-08-22 | 2023-08-22 | Ultrasonic single/double sheet detecting sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322255346.3U CN220690049U (en) | 2023-08-22 | 2023-08-22 | Ultrasonic single/double sheet detecting sensor |
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| CN220690049U true CN220690049U (en) | 2024-03-29 |
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| CN202322255346.3U Active CN220690049U (en) | 2023-08-22 | 2023-08-22 | Ultrasonic single/double sheet detecting sensor |
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