CN212115194U - Positioning circuit with stable use performance - Google Patents
Positioning circuit with stable use performance Download PDFInfo
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- CN212115194U CN212115194U CN202021103022.8U CN202021103022U CN212115194U CN 212115194 U CN212115194 U CN 212115194U CN 202021103022 U CN202021103022 U CN 202021103022U CN 212115194 U CN212115194 U CN 212115194U
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Abstract
The utility model belongs to the technical field of industrial cameras, in particular to a positioning circuit with stable use performance, which comprises an infrared sensing module and a main controller, wherein the infrared sensing module is provided with a first input end and a first output end; through set up first test point, first resistance, second resistance, first electric capacity, first power, first MOS pipe, third resistance, fourth resistance, first magnetic bead, second electric capacity, first sensor, fifth resistance, sixth resistance, seventh resistance and third electric capacity on infrared induction module, be favorable to the stability and the accuracy that positioning circuit detected.
Description
Technical Field
The utility model belongs to the technical field of the industry camera, in particular to positioning circuit that performance is stable.
Background
Industrial cameras, also known as video cameras, have high image stability, high transmission capability, high anti-interference capability, and the like, compared to conventional civil cameras (video cameras), and most of the commercial industrial cameras are cameras based on ccd (charge Coupled device) or cmos (complementary Metal Oxide semiconductor) chips.
The majority of the existing industrial cameras adopt an electronic positioning technology, and the electronic positioning is as follows: when the motor drives the rotating wheel to rotate (the rest positions of the rotating wheel are black, and the corresponding positions of the positioning points of the rotating wheel are through holes), the circuit board is positioned by the three infrared sensors, when light emitted by the infrared sensors reaches the positions of the through holes on the rotating wheel, the light is reflected by the positions of the through holes, the black of the rest positions is absorbed light, a feedback signal for the circuit board is changed, and the circuit board controls the stepping motor to stop rotating and reach a specified position; the existing electronic positioning device has the problem of inaccurate positioning.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above problem of the prior art, the utility model provides a location accurate performance stable positioning circuit.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
a positioning circuit with stable use performance comprises an infrared sensing module and a main controller, wherein the infrared sensing module is provided with a first input end and a first output end, the main controller is provided with a second input end and a second output end, the first input end is connected with the second output end, the first output end is connected with the second input end, and the infrared sensing module is provided with a first test point, a first resistor, a second resistor, a first capacitor, a first power supply, a first MOS (metal oxide semiconductor) tube, a third resistor, a fourth resistor, a first magnetic bead, a second capacitor, a first sensor, a fifth resistor, a sixth resistor, a seventh resistor and a third capacitor; one end of the first resistor and one end of the first test point are both connected with a first input end, one end of the second resistor and one end of the first MOS tube are both connected with the other end of the first resistor, the other ends of the second resistor and the first MOS tube are both connected with one end of the first capacitor, the other end of the first capacitor is grounded, the first power supply is respectively connected with the first capacitor, the second resistor and the first MOS tube, one ends of the third resistor, the fourth resistor and the first magnetic bead are all connected with the other end of the first MOS tube, the other end of the first magnetic bead is connected with the first power supply, the other ends of the third resistor and the fourth resistor are connected with one end of the second capacitor, the other end of the second capacitor is grounded, AN (AN) pin on the first sensor is connected with the other end of the fourth resistor, one ends of the fifth resistor and the sixth resistor are connected with the first power supply, and the other ends of the fifth resistor and the sixth resistor are connected with one end of a seventh resistor, the other ends of the third capacitor and the seventh resistor are grounded, and a CO pin of the first sensor is connected with the other end of the sixth resistor.
In the above positioning circuit with stable use performance, the second input end includes a fifteenth pin, the second output end includes a thirteenth pin, the fifteenth pin is connected with the first input end of the infrared sensing module, and the thirteenth pin is connected with the first output end of the infrared sensing module.
In the positioning circuit with stable use performance, the main controller adopts an STM32F103CBT6 chip.
In the above positioning circuit with stable use performance, the first sensor is an infrared sensor SFH 9201.
In the above positioning circuit with stable use performance, the first MOS transistor is of a type SI 2333.
(III) advantageous effects
The utility model has the advantages that: through setting up infrared induction module and main control unit, set up first test point, first resistance, second resistance, first electric capacity, first power, first MOS pipe, third resistance, fourth resistance, first magnetic bead, second electric capacity, first sensor, fifth resistance, sixth resistance, seventh resistance and third electric capacity on infrared induction module, be favorable to the stability and the accuracy that positioning circuit detected.
Drawings
Fig. 1 is a schematic structural diagram of an infrared sensing module of a positioning circuit with stable service performance according to the present invention;
FIG. 2 is a schematic structural diagram of a main controller of the positioning circuit with stable performance of the present invention;
FIG. 3 is a schematic structural diagram of a motor control chip of the positioning circuit with stable performance of the present invention;
fig. 4 is the utility model discloses the structure schematic diagram of the buzzer circuit module of the positioning circuit that performance is stable.
[ description of reference ]
1: an infrared sensing module;
2: a main controller;
3: a first input terminal;
4: a first output terminal;
5: a second input terminal;
6: a second output terminal;
7: a first test point;
8: a first resistor;
9: a second resistor;
10: a first capacitor;
11: a first power supply;
12: a first MOS transistor;
13: a third resistor;
14: a fourth resistor;
15: a first magnetic bead;
16: a second capacitor;
17: a first sensor;
18: a fifth resistor;
19: a sixth resistor;
20: a seventh resistor;
21: a third capacitor;
22: a fifteenth pin;
23: a thirteenth pin;
24: a motor control chip;
25: buzzer circuit module.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
The utility model discloses the most crucial design lies in: through setting up infrared induction module and main control unit, set up on infrared induction module, first test point, first resistance, second resistance, first electric capacity, first power, first MOS pipe, third resistance, fourth resistance, first magnetic bead, second electric capacity, first sensor, fifth resistance, sixth resistance, seventh resistance and third electric capacity.
Referring to fig. 1 to 4, a positioning circuit with stable performance,
the infrared sensing module is provided with a first input end and a first output end, the main controller is provided with a second input end and a second output end, the first input end is connected with the second output end, the first output end is connected with the second input end, and the infrared sensing module is provided with a first test point, a first resistor, a second resistor, a first capacitor, a first power supply, a first MOS (metal oxide semiconductor) tube, a third resistor, a fourth resistor, a first magnetic bead, a second capacitor, a first sensor, a fifth resistor, a sixth resistor, a seventh resistor and a third capacitor; one end of the first resistor and one end of the first test point are both connected with a first input end, one end of the second resistor and one end of the first MOS tube are both connected with the other end of the first resistor, the other ends of the second resistor and the first MOS tube are both connected with one end of the first capacitor, the other end of the first capacitor is grounded, the first power supply is respectively connected with the first capacitor, the second resistor and the first MOS tube, one ends of the third resistor, the fourth resistor and the first magnetic bead are all connected with the other end of the first MOS tube, the other end of the first magnetic bead is connected with the first power supply, the other ends of the third resistor and the fourth resistor are connected with one end of the second capacitor, the other end of the second capacitor is grounded, AN (AN) pin on the first sensor is connected with the other end of the fourth resistor, one ends of the fifth resistor and the sixth resistor are connected with the first power supply, and the other ends of the fifth resistor and the sixth resistor are connected with one end of a seventh resistor, the other ends of the third capacitor and the seventh resistor are grounded, and a CO pin of the first sensor is connected with the other end of the sixth resistor.
Positioning circuit's that performance is stable theory of operation: when a first sensor in the infrared sensing module passes through a through hole on the back face of a rotating wheel of the camera, the light intensity reflected back is received to be different, the first sensor sends a signal to the main controller, the main controller converts an optical signal into an electric signal, the electric signal is sent to a thirteenth pin and a fifteenth pin of the main controller, the ADC value is read, and the position is determined according to the ADC (digital-to-analog conversion) value.
From the above description, the beneficial effects of the present invention are: through setting up infrared induction module and main control unit, set up first test point, first resistance, second resistance, first electric capacity, first power, first MOS pipe, third resistance, fourth resistance, first magnetic bead, second electric capacity, first sensor, fifth resistance, sixth resistance, seventh resistance and third electric capacity on infrared induction module, be favorable to the stability and the accuracy that positioning circuit detected.
The infrared induction module is provided with a first input end and a first output end, the main controller is provided with a second input end and a second output end, the first input end is connected with the second output end, the first output end is connected with the second input end, and the infrared induction module is provided with a first test point, a first resistor, a second resistor, a first capacitor, a first power supply, a first MOS (metal oxide semiconductor) tube, a third resistor, a fourth resistor, a first magnetic bead, a second capacitor, a first sensor, a fifth resistor, a sixth resistor, a seventh resistor and a third capacitor; one end of the first resistor and one end of the first test point are both connected with a first input end, one end of the second resistor and one end of the first MOS tube are both connected with the other end of the first resistor, the other ends of the second resistor and the first MOS tube are both connected with one end of the first capacitor, the other end of the first capacitor is grounded, the first power supply is respectively connected with the first capacitor, the second resistor and the first MOS tube, one ends of the third resistor, the fourth resistor and the first magnetic bead are all connected with the other end of the first MOS tube, the other end of the first magnetic bead is connected with the first power supply, the other ends of the third resistor and the fourth resistor are connected with one end of the second capacitor, the other end of the second capacitor is grounded, AN (AN) pin on the first sensor is connected with the other end of the fourth resistor, one ends of the fifth resistor and the sixth resistor are connected with the first power supply, and the other ends of the fifth resistor and the sixth resistor are connected with one end of a seventh resistor, the other ends of the third capacitor and the seventh resistor are grounded, and a CO pin of the first sensor is connected with the other end of the sixth resistor.
As can be seen from the above description, the second input end includes the fifteenth pin, the second output end includes the thirteenth pin, the fifteenth pin is connected to the first input end of the infrared sensing module, and the thirteenth pin is connected to the first output end of the infrared sensing module, which is beneficial to sending the signal received by the infrared sensor module to the main controller, and improves the efficiency of data transmission.
Further, the main controller adopts an STM32F103CBT6 chip.
From the above description, it can be known that the STM32F103CBT6 chip is adopted by the main controller, which is beneficial to improving the control accuracy of the circuit device.
Further, the first sensor is an infrared sensor SFH 9201.
As can be seen from the above description, the infrared sensor SFH9201 type is adopted by the first sensor, which is beneficial to further improving the positioning accuracy.
Further, the first MOS tube is of an SI2333 type.
As can be seen from the above description, the SI2333 type is adopted for the first MOS transistor, which is advantageous for improving the usability of the switch.
Referring to fig. 1 to 4, a first embodiment of the present invention is:
a positioning circuit with stable use performance comprises an infrared sensing module 1 and a main controller 2, wherein the infrared sensing module 1 is provided with a first input end 3 and a first output end 4, the main controller 2 is provided with a second input end 5 and a second output end 6, the first input end 3 is connected with the second output end 6, the first output end 4 is connected with the second input end 5, the infrared sensing module 1 is provided with a first test point 7, a first resistor 8, a second resistor 9, a first capacitor 10, a first power supply 11, a first MOS (metal oxide semiconductor) tube 12, a third resistor 13, a fourth resistor 14, a first magnetic bead 15, a second capacitor 16, a first sensor 17, a fifth resistor 18, a sixth resistor 19, a seventh resistor 20 and a third capacitor 21; one end of the first resistor 8 and one end of the first test point 7 are both connected with the first input end 3, one end of the second resistor 9 and one end of the first MOS tube 12 are both connected with the other end of the first resistor 8, the other ends of the second resistor 9 and the first MOS tube 12 are both connected with one end of the first capacitor 10, the other end of the first capacitor 10 is grounded, the first power supply 11 is respectively connected with the first capacitor 10, the second resistor 9 and the first MOS tube 12, one ends of the third resistor 13, the fourth resistor 14 and the first magnetic bead 15 are all connected with the other end of the first MOS tube 12, the other end of the first magnetic bead 15 is connected with the first power supply 11, the other ends of the third resistor 13 and the fourth resistor 14 are connected with one end of the second capacitor 16, the other end of the second capacitor 16 is grounded, AN pin on the first sensor 17 is connected with the other end of the fourth resistor 14, one end of the fifth resistor 18 and one end of the sixth resistor 19 are connected to the first power source 11 and one end of the third capacitor 21, the other end of the fifth resistor 18 and the other end of the sixth resistor 19 are connected to one end of the seventh resistor 20, the other end of the third capacitor 21 and the other end of the seventh resistor 20 are grounded, and the CO pin of the first sensor 17 is connected to the other end of the sixth resistor 19.
The second input end 5 comprises a fifteenth pin 22, the second output end 6 comprises a thirteenth pin 23, the fifteenth pin 22 is connected with the first input end 3 of the infrared sensing module 1, the thirteenth pin 23 is connected with the first output end 4 of the infrared sensing module 1, the main controller 2 adopts an STM32F103CBT6 chip, the first sensor 17 adopts an infrared sensor SFH9201 type, and the first MOS transistor 12 adopts an SI2333 type.
The first sensor 17 is an infrared sensor SFH9201 type, which can convert the intensity of light into the change of electric signal, so when the first sensor 17 passes through the through hole on the back of the rotating wheel, the intensity of the light reflected back is different, at this time, the signal is sent to the main controller 2, and the main controller 2 carries out the next action.
The CO pin of the first sensor 17 is connected with SEN1_ VIN corresponding to the reference numeral in fig. 1, when the first sensor 17 passes through the through hole, the main controller 2 reads the ADC value, determines the position according to the ADC value, and completes the detection; AN pin of the first sensor 17 is connected with VCC _ SEN1 corresponding to a reference numeral in fig. 1, the first MOS transistor 12 is AN S12333 type MOS transistor, the first MOS transistor 12 is used as a switch, when the CO pin of the first sensor 17 detects, the AN pin sends a signal, whether a required position is reached currently is determined according to information fed back from different positions, if the required position is reached, the motor is controlled to stop rotating, and if the required position is not reached, the motor continues rotating.
When a plurality of directions need to be positioned, a plurality of infrared sensing modules 1 can be arranged for detection, TP8 in fig. 1 can be understood as TestPoint (test point), the test point is used for detecting whether components are correct, whether a short circuit or an open circuit exists in a circuit, debugging is facilitated, first magnetic bead 15 can be used for suppressing high-frequency noise and peak interference on a power line and a signal line, A3V3 in the fig. is a power supply, GND is ground, an R element is a resistor, a C element is a capacitor, and after a signal sent by a first sensor 17 is received by a main controller 2, a stepping motor is controlled not to rotate through codes, so that the stepping motor stops and reaches a designated position.
Assuming that when the first sensor 17 receives the external reflected light change, the signal is converted from the optical signal into an electrical signal, and the electrical signal is transmitted to the thirteenth pin 23 and the fifteenth pin 22 of the main controller 2, the ADC value is read, and the position is determined according to the ADC value.
The positioning circuit with stable service performance can be further provided with a motor control chip 24, the main controller 2 is further connected with the motor control chip 24 as shown in fig. 3, when a required position is selected, a tenth pin of the main controller 2 is connected with a nineteenth pin of the motor control chip 24, the nineteenth pin on the motor control chip 24 is a pulse input end, the number of steps that the motor can walk is determined according to the size of a pulse, then the stepping motor is connected with OUT1A, OUT2A, OUT1B and OUT2B (namely a fourth pin, an eleventh pin, an eighteenth pin and a twenty-fifth pin of the motor control chip 24), and the motor rotates.
The third pin of the motor control chip 24 is connected to the forty-fifth pin of the main controller 2 to control the rotation direction of the motor, and MS1 and MS2 are control ends of the stepping direction of the stepping motor, and when the values of the two pins are 00, 01, 10 and 11, the steps of the stepping motor are controlled to be 1, 2, 1/8 and 1/16, respectively.
The positioning circuit with stable service performance can be further provided with a buzzer circuit module 25, the circuit structure of the buzzer circuit module 25 is shown in figure 4, the buzzer is set in three states, and when the buzzer sounds for a long time (the buzzer is turned on for 3s and turned off for 1s), the DC power supply voltage of the camera is abnormal; when the buzzer sounds short (on 1s off 1s), the camera internal temperature is too high, for internal electronics, the maximum recommended operating temperature has been exceeded by 40 ℃; when the buzzer is repeated (on 1s off 1s, on 3s off 1s cycle), the filter is in trouble and stops running, the camera can still operate, but the filter wheel is not rotating, the filter wheel may be in any position, the camera power supply must be turned off, and the filter wheel is restarted, the twenty ninth pin of the main controller 2 is connected with an external circuit to control the state of the buzzer.
In the figure, the number 56K/0603/1% is explained, 56K is the resistance value of the resistor, 0603 is the name of the resistor package, and 1% is the precision error of the resistor.
To sum up, the utility model provides a pair of positioning circuit that performance is stable through setting up infrared induction module and main control unit, sets up first test point, first resistance, second resistance, first electric capacity, first power, first MOS pipe, third resistance, fourth resistance, first magnetic bead, second electric capacity, first sensor, fifth resistance, sixth resistance, seventh resistance and third electric capacity on infrared induction module, is favorable to positioning circuit detection's stability and accuracy.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. A positioning circuit with stable use performance is characterized by comprising an infrared sensing module and a main controller, wherein the infrared sensing module is provided with a first input end and a first output end, the main controller is provided with a second input end and a second output end, the first input end is connected with the second output end, the first output end is connected with the second input end, and the infrared sensing module is provided with a first test point, a first resistor, a second resistor, a first capacitor, a first power supply, a first MOS (metal oxide semiconductor) tube, a third resistor, a fourth resistor, a first magnetic bead, a second capacitor, a first sensor, a fifth resistor, a sixth resistor, a seventh resistor and a third capacitor; one end of the first resistor and one end of the first test point are both connected with a first input end, one end of the second resistor and one end of the first MOS tube are both connected with the other end of the first resistor, the other ends of the second resistor and the first MOS tube are both connected with one end of the first capacitor, the other end of the first capacitor is grounded, the first power supply is respectively connected with the first capacitor, the second resistor and the first MOS tube, one ends of the third resistor, the fourth resistor and the first magnetic bead are all connected with the other end of the first MOS tube, the other end of the first magnetic bead is connected with the first power supply, the other ends of the third resistor and the fourth resistor are connected with one end of the second capacitor, the other end of the second capacitor is grounded, AN (AN) pin on the first sensor is connected with the other end of the fourth resistor, one ends of the fifth resistor and the sixth resistor are connected with the first power supply, and the other ends of the fifth resistor and the sixth resistor are connected with one end of a seventh resistor, the other ends of the third capacitor and the seventh resistor are grounded, and a CO pin of the first sensor is connected with the other end of the sixth resistor.
2. The positioning circuit with stable use performance of claim 1, wherein the second input terminal comprises a fifteenth pin, the second output terminal comprises a thirteenth pin, the fifteenth pin is connected to the first input terminal of the infrared sensing module, and the thirteenth pin is connected to the first output terminal of the infrared sensing module.
3. The performance stabilizing positioning circuit of claim 1, wherein the main controller is an STM32F103CBT6 chip.
4. The positioning circuit with stable use performance of claim 1, wherein the first sensor is an infrared sensor SFH 9201.
5. The use performance stabilizing positioning circuit as claimed in claim 1, wherein said first MOS transistor is of type SI 2333.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021103022.8U CN212115194U (en) | 2020-06-15 | 2020-06-15 | Positioning circuit with stable use performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021103022.8U CN212115194U (en) | 2020-06-15 | 2020-06-15 | Positioning circuit with stable use performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212115194U true CN212115194U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021103022.8U Active CN212115194U (en) | 2020-06-15 | 2020-06-15 | Positioning circuit with stable use performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212115194U (en) |
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2020
- 2020-06-15 CN CN202021103022.8U patent/CN212115194U/en active Active
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