CN218067806U - Environment-friendly environment on-line monitoring appearance - Google Patents
Environment-friendly environment on-line monitoring appearance Download PDFInfo
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- CN218067806U CN218067806U CN202121799762.4U CN202121799762U CN218067806U CN 218067806 U CN218067806 U CN 218067806U CN 202121799762 U CN202121799762 U CN 202121799762U CN 218067806 U CN218067806 U CN 218067806U
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Abstract
The utility model discloses an environment-friendly environment on-line monitoring appearance, including sensor acquisition unit and microprocessor, the sensor acquisition unit includes gaseous detection sensor, and the detection signal of gaseous detection sensor sends into microprocessor after two fortune are put trap regulating circuit and stationary flow regulating circuit and are handled in proper order, and microprocessor still passes through data serial ports connection WIFI module, and microprocessor sends the testing result to user terminal through the WIFI module, realizes long-range on-line monitoring, the utility model discloses a handle gaseous detection sensor detection signal, avoid external factor to the interference of detection signal well, guarantee detection signal transmission's precision and stability, promote gaseous detection precision to improve the reliability that the environment on-line monitoring appearance used.
Description
Technical Field
The utility model relates to an environmental monitoring instrument technical field especially relates to an environment-friendly environment on-line monitoring appearance.
Background
With the rapid development of economy, the waste gas generated in the industrial processing and manufacturing process can seriously threaten the environment, so that the gas emission of an industrial park or a factory needs to be monitored, effective real-time data is provided for the whole industrial park or a production area through a gas online data monitoring system, data support is provided for unified management of the park or the factory, and the guarantee is provided for environment-friendly industrial production. However, in the process of monitoring the industrial gas environment, the gas detection sensor is easily interfered by external factors, such as temperature, high frequency electromagnetism, etc., which can cause clutter and maladjustment of the detection signal of the sensor, thereby affecting the online monitoring precision of the environment.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide an environment-friendly online monitoring instrument.
The technical scheme for solving the problem is as follows: the utility model provides an environment-friendly environment on-line monitoring appearance, includes sensor acquisition unit and microprocessor, sensor acquisition unit includes gaseous detection sensor, gaseous detection sensor's detected signal sends into after two fortune are put trap regulating circuit and stationary flow regulating circuit in proper order among the microprocessor, microprocessor still passes through data serial ports connection WIFI module.
Further, the double operational amplifier trap regulating circuit comprises an operational amplifier AR1 and an operational amplifier AR2, the inverting input end of the operational amplifier AR1 is connected with one ends of resistors R1 and R3 and a capacitor C1, the other end of the resistor R1 is connected with the signal output end of the gas detection sensor, the non-inverting input end of the operational amplifier AR1 is grounded through a resistor R2, the output end of the operational amplifier AR1 is connected with the other end of the capacitor C1 and is connected with the non-inverting input end of the operational amplifier AR2 through a resistor R4, the inverting input end of the operational amplifier AR1 is connected with one ends of an inductor L1, a capacitor C3 and a resistor R5, the other end of the capacitor C3 is grounded, the other end of the resistor R5 is connected with one end of the capacitor C2, the other ends of the capacitor C2 and the inductor L1 are connected with the output end of the operational amplifier AR2 and the other end of the resistor R3, and the output end of the operational amplifier AR2 is connected with the input end of the steady-current regulating circuit and is grounded through a resistor R6.
Further, the current stabilization regulating circuit comprises an operational amplifier AR3, an inverting input end of the operational amplifier AR3 is connected with an output end of the operational amplifier AR2, a non-inverting input end of the operational amplifier AR3 is connected with a grid electrode of the MOS tube Q1 and a cathode of the voltage stabilizing diode DZ1 through a resistor R7, an anode of the voltage stabilizing diode DZ1 is grounded, an output end of the operational amplifier AR3 is connected with a drain electrode of the MOS tube Q1, and a source electrode of the MOS tube Q1 is connected with the microprocessor and is grounded through a rheostat RP 1.
Through the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a handle gaseous detection sensor detected signal, avoid external factor to the interference of detected signal well, guarantee detected signal transmission's precision and stability, promote gaseous detection precision to improve the reliability that the online monitor of environment used.
Drawings
Fig. 1 is a schematic diagram of the trap regulating circuit of the dual operational amplifier of the present invention.
Fig. 2 is a schematic diagram of a steady-flow regulating circuit of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings 1 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides an environment-friendly environment on-line monitoring appearance, includes sensor acquisition unit and microprocessor, and sensor acquisition unit includes gaseous detection sensor, gaseous detection sensor's detected signal sends into after two fortune are put trap regulating circuit and stationary flow regulating circuit in proper order among the microprocessor, microprocessor still passes through data serial ports connection WIFI module.
As shown in fig. 1, the double operational amplifier trap regulating circuit includes operational amplifiers AR1 and AR2, an inverting input terminal of the operational amplifier AR1 is connected to one ends of resistors R1 and R3 and a capacitor C1, the other end of the resistor R1 is connected to a signal output terminal of the gas detection sensor, a non-inverting input terminal of the operational amplifier AR1 is grounded through a resistor R2, an output terminal of the operational amplifier AR1 is connected to the other end of the capacitor C1 and is connected to a non-inverting input terminal of the operational amplifier AR2 through a resistor R4, the inverting input terminal of the operational amplifier AR1 is connected to one ends of an inductor L1, a capacitor C3 and a resistor R5, the other end of the capacitor C3 is grounded, the other end of the resistor R5 is connected to one end of the capacitor C2, the other ends of the capacitor C2 and the inductor L1 are connected to an output terminal of the operational amplifier AR2 and the other end of the resistor R3, and an output terminal of the operational amplifier AR2 is connected to an input terminal of the constant current regulating circuit and is grounded through a resistor R6.
As shown in fig. 2, the current-stabilizing regulating circuit includes an operational amplifier AR3, an inverting input terminal of the operational amplifier AR3 is connected to an output terminal of the operational amplifier AR2, a non-inverting input terminal of the operational amplifier AR3 is connected to a gate of the MOS transistor Q1 and a cathode of the zener diode DZ1 through a resistor R7, an anode of the zener diode DZ1 is grounded, an output terminal of the operational amplifier AR3 is connected to a drain of the MOS transistor Q1, and a source of the MOS transistor Q1 is connected to the microprocessor and grounded through a rheostat RP 1.
The utility model discloses a concrete work flow does: the gas detection sensor detects the discharged gas in the industrial environment area and converts the discharged gas into an electric signal output end, a detection signal of the gas detection sensor is firstly sent into the double operational amplifier trap regulating circuit to be processed, wherein the operational amplifiers AR1 and AR2 adopt a double operational amplifier form to quickly amplify the detection signal, the signal processing efficiency is improved, the capacitor C1 plays a role in signal compensation in the working process of the operational amplifier AR1, and the continuous and stable output of the detection signal is ensured; inductance L1, electric capacity C2 and resistance R5 form RLC trapped wave network at the feedback end of fortune ware AR2, utilize the trapper principle with unnecessary clutter filtering in the detected signal to promote the detected signal precision. The steady flow regulating circuit is used for stabilizing the output signal of the double-operational amplifier trap regulating circuit, wherein the operational amplifier AR3 and the MOS tube Q1 form a steady flow device to stabilize the output signal of the operational amplifier AR2, and the amplitude of the output signal of the MOS tube Q1 is continuously stabilized by utilizing the reference action of the voltage stabilizing diode DZ1 on the grid voltage of the MOS tube Q1, so that the effect of the microprocessor on receiving and processing the signal is improved. After the microprocessor analyzes the frequency and the amplitude of the received detection signal, the gas composition and the gas concentration are calculated by utilizing a mature data processing technology, whether the industrial exhaust gas meets an environment-friendly set value or not is judged by data comparison, and meanwhile, the detection result is sent to a user terminal through a WIFI module, so that remote online monitoring is realized.
To sum up, the utility model discloses a handle gaseous detection sensor detected signal, avoid external factor to the interference of detected signal well, guarantee detected signal transmission's precision and stability, promote gaseous detection precision to improve the reliability that the online monitor of environment used.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (3)
1. The utility model provides an environment-friendly environment on-line monitoring appearance, includes sensor acquisition unit and microprocessor, its characterized in that: the sensor acquisition unit comprises a gas detection sensor, detection signals of the gas detection sensor are processed by the double operational amplifier trap regulating circuit and the steady flow regulating circuit in sequence and then sent into the microprocessor, and the microprocessor is further connected with the WIFI module through a data serial port.
2. The environment-friendly online environment monitor according to claim 1, wherein: the double-operational amplifier trapped wave adjusting circuit comprises an operational amplifier AR1 and an operational amplifier AR2, wherein the inverting input end of the operational amplifier AR1 is connected with one ends of resistors R1 and R3 and a capacitor C1, the other end of the resistor R1 is connected with the signal output end of the gas detection sensor, the non-inverting input end of the operational amplifier AR1 is grounded through a resistor R2, the output end of the operational amplifier AR1 is connected with the other end of the capacitor C1 and is connected with the non-inverting input end of the operational amplifier AR2 through a resistor R4, the inverting input end of the operational amplifier AR1 is connected with one ends of an inductor L1, a capacitor C3 and a resistor R5, the other end of the capacitor C3 is grounded, the other end of the resistor R5 is connected with one end of the capacitor C2, the other ends of the capacitor C2 and the inductor L1 are connected with the output end of the operational amplifier AR2 and the other end of the resistor R3, and the output end of the operational amplifier AR2 is connected with the input end of the steady current adjusting circuit and is grounded through a resistor R6.
3. The environment-friendly on-line environment monitor as set forth in claim 2, wherein: the current stabilization regulating circuit comprises an operational amplifier AR3, the inverting input end of the operational amplifier AR3 is connected with the output end of the operational amplifier AR2, the non-inverting input end of the operational amplifier AR3 is connected with the grid electrode of the MOS tube Q1 and the cathode of the voltage stabilizing diode DZ1 through a resistor R7, the anode of the voltage stabilizing diode DZ1 is grounded, the output end of the operational amplifier AR3 is connected with the drain electrode of the MOS tube Q1, and the source electrode of the MOS tube Q1 is connected with the microprocessor and is grounded through a rheostat RP 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799762.4U CN218067806U (en) | 2021-08-04 | 2021-08-04 | Environment-friendly environment on-line monitoring appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799762.4U CN218067806U (en) | 2021-08-04 | 2021-08-04 | Environment-friendly environment on-line monitoring appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218067806U true CN218067806U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121799762.4U Active CN218067806U (en) | 2021-08-04 | 2021-08-04 | Environment-friendly environment on-line monitoring appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218067806U (en) |
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2021
- 2021-08-04 CN CN202121799762.4U patent/CN218067806U/en active Active
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