CN213957282U - Video analysis methane detector - Google Patents
Video analysis methane detector Download PDFInfo
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- CN213957282U CN213957282U CN202021864386.8U CN202021864386U CN213957282U CN 213957282 U CN213957282 U CN 213957282U CN 202021864386 U CN202021864386 U CN 202021864386U CN 213957282 U CN213957282 U CN 213957282U
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Abstract
The utility model discloses a video analysis methane detector for detect methane and show, circuit board and methane sensor U1 including the shell, place in the circuit board the shell, place in the methane sensor U1 part in the shell, methane sensor U1 with circuit board electric connection, the circuit board includes power supply circuit, detection circuitry and video analysis circuit, power supply circuit with detection circuitry electric connection, detection circuitry with video analysis circuit electric connection. The utility model discloses a video analysis methane detector, it can detect methane and reveal, detects methane through the inductor to detecting methane and showing through video display unit, the time curve of demonstration methane concentration value that not only can be dynamic, and can predetermine certain concentration value, when methane concentration exceeded predetermined concentration value, reported to the police, thereby prevent polluted environment and injury crowd.
Description
Technical Field
The utility model belongs to the technical field of video analysis methane detects, concretely relates to video analysis methane detector.
Background
Methane is a main harmful gas in the underground coal mine, and directly threatens the safety production of the mine and the life safety of miners. Methane detection mainly detects the volume concentration of methane in air so as to master the underground methane concentration condition and prevent the occurrence of methane accidents.
However, the existing methane detectors simply display the concentration value of methane, do not display the concentration value in a diversified manner through a display screen, and dynamically display the concentration change curve of methane so as to analyze the concentration change curve.
The publication number is: CN208721653U, the subject name of which is a portable methane detector of utility model, the technical scheme thereof discloses' the right side of the top of the methane detector body (1) is fixedly connected with a first connecting block (2), the right side of the first connecting block (2) is fixedly connected with a nylon belt (3), one end of the nylon belt (3) far away from the first connecting block (2) is fixedly connected with a second connecting block (4), the left side of the second connecting block (4) is fixedly connected with a connecting rod (5), the left end of the connecting rod (5) runs through the methane detector body (1) and extends to the inside of the methane detector body (1), the bottom of the connecting rod (5) is provided with a clamping groove (6), the inside of the methane detector body (1) is transversely and fixedly connected with a polish rod (7), the surface of the polish rod (7) is connected with a slip ring (8) in a sliding manner, the methane detector comprises a sliding ring (8), a moving plate (9) is fixedly connected to the bottom of the sliding ring (8), a pull rod (10) is fixedly connected to the right side of the moving plate (9), a transmission plate (11) is fixedly connected to the top of the sliding ring (8), a transmission rod (12) is fixedly connected to the front top of the transmission plate (11), a positioning mechanism (13) is fixedly connected to the inside of the methane detector body (1), a transverse plate (14) is fixedly connected to the right side of the positioning mechanism (13), a lifting plate (15) is fixedly connected to the bottom of the transverse plate (14), an inclined hole (16) matched with the transmission rod (12) for use is formed in the front of the lifting plate (15), a clamping rod (17) is fixedly connected to the top of the transverse plate (14), and the top of the clamping rod (17) extends to the inside of the clamping groove (6).
Taking the above patent as an example, although the invention refers to methane detection, the technical solution is different from the present invention. Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a video analysis methane detector, it can detect methane and reveal, detects methane through the inductor to detect methane and show through video display unit, the time curve of demonstration methane concentration value that not only can be dynamic, and can predetermine certain concentration value, when methane concentration exceeded predetermined concentration value, report to the police, thereby prevent polluted environment and injury crowd.
In order to achieve the above object, the utility model relates to a video analysis methane detector for detect methane and show, circuit board and methane sensor U1 including the shell, place in the circuit board the shell, place in methane sensor U1 part the shell, methane sensor U1 with circuit board electric connection, the circuit board includes power supply circuit, detection circuitry and video analysis circuit, power supply circuit with detection circuitry electric connection, detection circuitry with video analysis circuit electric connection, wherein:
the power supply circuit comprises a battery B and a voltage stabilizer U4, wherein a pin 1 of the voltage stabilizer U4 is grounded through the battery B and a capacitor C6 respectively, one path of a pin 3 of the voltage stabilizer U4 is grounded through a capacitor C7, and the other path of the pin 3 of the voltage stabilizer U4 is connected (output) with a 5V power supply end;
the detection circuit comprises an amplifier U2 and an amplifier U3, wherein the negative input end of the amplifier U2 is electrically connected with the 2 pin of the methane sensor U1 through a resistor R2 and a resistor R1, the 3 pin of the methane sensor U1 is electrically connected with the negative input end of the amplifier U3 through a resistor R7, the positive input end of the amplifier U3 is grounded through a resistor R8, the output end of the amplifier U3 is connected with an output end A through a resistor R9 (the output end A is electrically connected with the 1 pin of the processor U5, and detection data are transmitted to the processor U5), and one end, far away from the amplifier U3, of the circuit R9 is grounded through a capacitor C5;
the video analysis circuit comprises a processor U5 and a display U6 (the detected methane concentration value is displayed in the form of video output so as to better analyze the concentration value of methane), the processor U5 is electrically connected with the display U6, a crystal oscillator X is connected in series between the 19 pin and the 18 pin of the processor U5, one end of the crystal oscillator X, close to the 19 pin of the processor U5, is also grounded through a capacitor C8, one end of the crystal oscillator X, close to the 18 pin of the processor U5, is also grounded through a capacitor C9, one path of the 9 pin of the processor U5 is grounded through a resistor R10, and a capacitor C10 is connected in series between the 9 pin and the 31 pin of the processor U5.
As a further preferable technical solution of the above technical solution, the 4 th pin of the amplifier U2 is grounded through a capacitor C2, one path of the 8 th pin of the amplifier U2 is connected to a 5V power supply terminal and the other path of the 8 th pin of the amplifier U2 is grounded through a capacitor C4, the output terminal of the amplifier U2 is electrically connected to the 1 st pin of the methane sensor U1, and the positive input terminal of the amplifier U2 is grounded through a resistor R6.
As a further preferable technical solution of the above technical solution, a transistor Q1 is connected in series between pin 2 and pin 3 of the methane sensor U1, and an emitter of the transistor Q1 is connected to a 5V power supply terminal.
As a further preferable technical solution of the above technical solution, one path of the negative input terminal of the amplifier U3 is electrically connected to the output terminal of the amplifier U3 through a capacitor C3, the other path of the negative input terminal of the amplifier U3 is electrically connected to the output terminal of the amplifier U3 through a resistor R5 and a resistor R3 in sequence, and two ends of the resistor R3 are connected in parallel to a resistor R4.
As a further preferable technical solution of the above technical solution, a common terminal of the resistor R1 and the resistor R2 is electrically connected to pin 1 of the methane sensor U1 through a capacitor C1.
As a more preferable technical solution of the above technical solution, the 39 pin of the processor U5 is electrically connected to the 9 pin of the display U6, the 38 pin of the processor U5 is electrically connected to the 11 pin of the display U6, the 37 pin of the processor U5 is electrically connected to the 12 pin of the display U6, the processor U36 pin is electrically connected to the 13 pin of the display U6, the 35 pin of the processor U5 is electrically connected to the 14 pin of the display U6, the 34 pin of the processor U5 is electrically connected to the 15 pin of the display U6, the 33 pin of the processor U5 is electrically connected to the 16 pin of the display U6, and the 32 pin of the processor U5 is electrically connected to the 17 pin of the display U6.
As a further preferable technical solution of the above technical solution, the 21 pin of the processor U5 is electrically connected to the 6 pin of the display U6, the 22 pin of the processor U5 is electrically connected to the 7 pin of the display U6, the 23 pin of the processor U5 is electrically connected to the 8 pin of the display U6, the 24 pin of the processor U5 is electrically connected to the 1 pin of the display U6, the 25 pin of the processor U5 is electrically connected to the 2 pin of the display U6, and the 26 pin of the processor U5 is electrically connected to the 18 pin of the display U6.
Drawings
Fig. 1 is a video analysis circuit diagram of the methane detector for video analysis according to the present invention.
Fig. 2 is a detection circuit diagram of the video analysis methane detector of the utility model.
Fig. 3 is a power supply circuit diagram of the video analysis methane detector of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a video analysis methane detector combines preferred embodiment below, further describes utility model's concrete embodiment.
Referring to fig. 1 of the drawings, fig. 1 is a video analysis circuit diagram of a video analysis methane detector of the present invention, fig. 2 is a detection circuit diagram of a video analysis methane detector of the present invention, fig. 3 is a power supply circuit diagram of a video analysis methane detector of the present invention.
In the embodiments of the present invention, those skilled in the art will note that the housing, circuit board, methane sensor, etc. according to the present invention can be regarded as the prior art.
PREFERRED EMBODIMENTS
The utility model discloses a video analysis methane detector for detect methane, circuit board and methane sensor U1 including the shell, place in the circuit board the shell, place in the methane sensor U1 part in the shell, methane sensor U1 with circuit board electric connection, the circuit board includes power supply circuit, detection circuitry and video analysis circuit, power supply circuit with detection circuitry electric connection, detection circuitry with video analysis circuitry electric connection, wherein:
the power supply circuit comprises a battery B and a voltage stabilizer U4, wherein a pin 1 of the voltage stabilizer U4 is grounded through the battery B and a capacitor C6 respectively, one path of a pin 3 of the voltage stabilizer U4 is grounded through a capacitor C7, and the other path of the pin 3 of the voltage stabilizer U4 is connected (output) with a 5V power supply end;
the detection circuit comprises an amplifier U2 and an amplifier U3, wherein the negative input end of the amplifier U2 is electrically connected with the 2 pin of the methane sensor U1 through a resistor R2 and a resistor R1, the 3 pin of the methane sensor U1 is electrically connected with the negative input end of the amplifier U3 through a resistor R7, the positive input end of the amplifier U3 is grounded through a resistor R8, the output end of the amplifier U3 is connected with an output end A through a resistor R9 (the output end A is electrically connected with the 1 pin of the processor U5, and detection data are transmitted to the processor U5), and one end, far away from the amplifier U3, of the circuit R9 is grounded through a capacitor C5;
the video analysis circuit comprises a processor U5 and a display U6 (the detected methane concentration value is displayed in the form of video output so as to better analyze the concentration value of methane), the processor U5 is electrically connected with the display U6, a crystal oscillator X is connected in series between the 19 pin and the 18 pin of the processor U5, one end of the crystal oscillator X, close to the 19 pin of the processor U5, is also grounded through a capacitor C8, one end of the crystal oscillator X, close to the 18 pin of the processor U5, is also grounded through a capacitor C9, one path of the 9 pin of the processor U5 is grounded through a resistor R10, and a capacitor C10 is connected in series between the 9 pin and the 31 pin of the processor U5.
Specifically, the 4 th pin of the amplifier U2 is grounded through a capacitor C2, one path of the 8 th pin of the amplifier U2 is connected to a 5V power supply terminal, the other path of the 8 th pin of the amplifier U2 is grounded through a capacitor C4, the output terminal of the amplifier U2 is electrically connected to the 1 st pin of the methane sensor U1, and the positive input terminal of the amplifier U2 is grounded through a resistor R6.
More specifically, a transistor Q1 is connected in series between the 2 pin and the 3 pin of the methane sensor U1, and an emitter of the transistor Q1 is connected to a 5V power supply terminal.
Furthermore, one path of the negative input end of the amplifier U3 is electrically connected with the output end of the amplifier U3 through a capacitor C3, the other path of the negative input end of the amplifier U3 is electrically connected with the output end of the amplifier U3 through a resistor R5 and a resistor R3 in sequence, and two ends of the resistor R3 are connected with a resistor R4 in parallel.
Furthermore, the common terminal of the resistor R1 and the resistor R2 is electrically connected to pin 1 of the methane sensor U1 through a capacitor C1.
Preferably, the 39 pin of the processor U5 is electrically connected to the 9 pin of the display U6, the 38 pin of the processor U5 is electrically connected to the 11 pin of the display U6, the 37 pin of the processor U5 is electrically connected to the 12 pin of the display U6, the U36 pin is electrically connected to the 13 pin of the display U6, the 35 pin of the processor U5 is electrically connected to the 14 pin of the display U6, the 34 pin of the processor U5 is electrically connected to the 15 pin of the display U6, the 33 pin of the processor U5 is electrically connected to the 16 pin of the display U6, and the 32 pin of the processor U5 is electrically connected to the 17 pin of the display U6.
Preferably, the 21 pin of the processor U5 is electrically connected to the 6 pin of the display U6, the 22 pin of the processor U5 is electrically connected to the 7 pin of the display U6, the 23 pin of the processor U5 is electrically connected to the 8 pin of the display U6, the 24 pin of the processor U5 is electrically connected to the 1 pin of the display U6, the 25 pin of the processor U5 is electrically connected to the 2 pin of the display U6, and the 26 pin of the processor U5 is electrically connected to the 18 pin of the display U6.
It is worth mentioning that the technical features such as the shell, the circuit board and the methane sensor that the utility model discloses the patent application relates to should be regarded as prior art, and the concrete structure of these technical features, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this field can, should not be regarded as the invention point of the utility model discloses a place, the utility model discloses do not do further specifically expand the detailed description.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. A video analytics methane detector for detecting and displaying methane, comprising a circuit board with a housing and a methane sensor U1, the circuit board being embedded in the housing, the methane sensor U1 being embedded in the housing, the methane sensor U1 being electrically connected to the circuit board, wherein the circuit board includes a power circuit, a detection circuit and a video analytics circuit, the power circuit being electrically connected to the detection circuit, the detection circuit being electrically connected to the video analytics circuit, wherein:
the power supply circuit comprises a battery B and a voltage stabilizer U4, wherein a pin 1 of the voltage stabilizer U4 is grounded through the battery B and a capacitor C6 respectively, one path of a pin 3 of the voltage stabilizer U4 is grounded through a capacitor C7, and the other path of the pin 3 of the voltage stabilizer U4 is connected with a 5V power supply end;
the detection circuit comprises an amplifier U2 and an amplifier U3, wherein the negative input end of the amplifier U2 is electrically connected with the 2 pin of the methane sensor U1 through a resistor R2 and a resistor R1, the 3 pin of the methane sensor U1 is electrically connected with the negative input end of the amplifier U3 through a resistor R7, the positive input end of the amplifier U3 is grounded through a resistor R8, the output end of the amplifier U3 is connected with an output end A through a resistor R9, and one end of the resistor R9, which is far away from the amplifier U3, is grounded through a capacitor C5;
the video analysis circuit comprises a processor U5 and a display U6, the processor U5 is electrically connected with the display U6, a crystal oscillator X is connected between the 19 pin and the 18 pin of the processor U5 in series, one end of the crystal oscillator X close to the 19 pin of the processor U5 is grounded through a capacitor C8, one end of the crystal oscillator X close to the 18 pin of the processor U5 is grounded through a capacitor C9, one path of the 9 pin of the processor U5 is grounded through a resistor R10, and a capacitor C10 is connected between the 9 pin and the 31 pin of the processor U5 in series.
2. The video methane analyzer of claim 1, wherein the 4 pins of the amplifier U2 are grounded through a capacitor C2, one of the 8 pins of the amplifier U2 is connected to a 5V power supply terminal and the other of the 8 pins of the amplifier U2 is grounded through a capacitor C4, the output terminal of the amplifier U2 is electrically connected to the 1 pin of the methane sensor U1, and the positive input terminal of the amplifier U2 is grounded through a resistor R6.
3. The video methane analyzer of claim 1, wherein a transistor Q1 is connected in series between pins 2 and 3 of the methane sensor U1, and an emitter of the transistor Q1 is connected to a 5V power supply.
4. The video analysis methane detector according to claim 3, wherein one path of the negative input terminal of the amplifier U3 is electrically connected to the output terminal of the amplifier U3 through a capacitor C3, the other path of the negative input terminal of the amplifier U3 is electrically connected to the output terminal of the amplifier U3 through a resistor R5 and a resistor R3 in sequence, and two ends of the resistor R3 are connected in parallel to a resistor R4.
5. The methane detector according to claim 4, wherein a common terminal of the resistor R1 and the resistor R2 is electrically connected to pin 1 of the methane sensor U1 through a capacitor C1.
6. The video methane analyzer according to any of the claims 1-5, wherein pin 39 of the processor U5 is electrically connected to pin 9 of the display U6, pin 38 of the processor U5 is electrically connected to pin 11 of the display U6, pin 37 of the processor U5 is electrically connected to pin 12 of the display U6, pin U36 is electrically connected to pin 13 of the display U6, pin 35 of the processor U5 is electrically connected to pin 14 of the display U6, pin 34 of the processor U5 is electrically connected to pin 15 of the display U6, pin 33 of the processor U5 is electrically connected to pin 16 of the display U6, and pin 32 of the processor U5 is electrically connected to pin 17 of the display U6.
7. The apparatus of claim 6, wherein the 21 pin of the processor U5 is electrically connected to the 6 pin of the display U6, the 22 pin of the processor U5 is electrically connected to the 7 pin of the display U6, the 23 pin of the processor U5 is electrically connected to the 8 pin of the display U6, the 24 pin of the processor U5 is electrically connected to the 1 pin of the display U6, the 25 pin of the processor U5 is electrically connected to the 2 pin of the display U6, and the 26 pin of the processor U5 is electrically connected to the 18 pin of the display U6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021864386.8U CN213957282U (en) | 2020-08-31 | 2020-08-31 | Video analysis methane detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021864386.8U CN213957282U (en) | 2020-08-31 | 2020-08-31 | Video analysis methane detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213957282U true CN213957282U (en) | 2021-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021864386.8U Active CN213957282U (en) | 2020-08-31 | 2020-08-31 | Video analysis methane detector |
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| Country | Link |
|---|---|
| CN (1) | CN213957282U (en) |
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- 2020-08-31 CN CN202021864386.8U patent/CN213957282U/en active Active
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