CN210840076U - Data gateway for gas station - Google Patents
Data gateway for gas station Download PDFInfo
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- CN210840076U CN210840076U CN201921670065.1U CN201921670065U CN210840076U CN 210840076 U CN210840076 U CN 210840076U CN 201921670065 U CN201921670065 U CN 201921670065U CN 210840076 U CN210840076 U CN 210840076U
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Abstract
The utility model discloses a data gateway for filling station, including frequency acquisition circuit, the peak value circuit and the filter transmitting circuit of making an uproar fall, the frequency acquisition circuit gathers the signal frequency of processing apparatus output in the data gateway for filling station, processing apparatus is arranged in handling the filling station data of gathering, the peak value circuit that makes an uproar fall utilizes fortune amplifier AR4, triode Q3 and electric capacity C2 to constitute the noise reduction circuit and reduce the signal noise ratio, utilize fortune amplifier AR3 and diode D2, diode D3 to constitute the peak value detection circuit and select peak signal output simultaneously, wherein triode Q1, triode Q2 constitutes push-pull circuit feedback fortune amplifier AR4 output signal to fortune amplifier AR3 inverting input in, last filter transmitting circuit utilizes inductance L2 and electric capacity C4, electric capacity C5 constitutes filter circuit filtering signal clutter, can be in real time to the signal frequency monitoring in the processing apparatus in the data gateway for filling station, the accuracy of the data signal is improved for controlling the terminal to receive the correction signal of the data signal.
Description
Technical Field
The utility model relates to an electronic communication technical field especially relates to a data gateway for filling station.
Background
The data acquisition gateway based on wifi in the prior art, including the data acquisition device who is used for data acquisition, be used for carrying out the processing apparatus who handles to the data of gathering, be used for carrying out remote control's remote control terminal, be used for the communication device of processing apparatus and remote control terminal communication, the filling station needs real-time supervision with the signal state in the processing apparatus in the data gateway, the processing apparatus signal that the data gateway control terminal of being convenient for received compensates the correction, improves data signal's accuracy.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model aims to provide a filling station uses data gateway has the characteristic of thinking ingeniously, humanized design, can be in real time to the signal frequency monitoring in the processing apparatus among the filling station uses data gateway, sends to in the remote control terminal after the signal calibration.
The technical scheme includes that the data gateway for the gas station comprises a frequency acquisition circuit, a noise reduction peak circuit and a filtering emission circuit, wherein the frequency acquisition circuit acquires signal frequency output by a processing device in the data gateway for the gas station, the processing device is used for processing collected gas station data, the noise reduction peak circuit uses an operational amplifier AR4, a triode Q3 and a capacitor C2 to form the noise reduction circuit to reduce signal-to-noise ratio, meanwhile, the operational amplifier AR3, a diode D2 and a diode D3 to form a peak detection circuit to select peak signal output, the triode Q1 and a triode Q2 form a push-pull circuit to feed back an output signal of the operational amplifier AR4 to an inverting input end of the operational amplifier AR3, and finally, the filtering emission circuit uses an inductor L2, a capacitor C4 and a capacitor C5 to form a filtering circuit to filter noise waves and emit the filtered signal to a control terminal through a signal emitter E1;
the noise reduction peak value circuit comprises an operational amplifier AR4, wherein the non-inverting input end of the operational amplifier AR4 is connected with one end of a resistor R5 and one end of a capacitor C2, the inverting input end of the operational amplifier AR4 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is grounded, the output end of the operational amplifier AR4 is connected with the collector of a triode Q1, the other end of the capacitor C2 and a triode Q1, the base of a triode Q2 and the anode of a diode D3, the collector of a triode Q2 is connected with +5V of a power supply, the emitter of a triode Q2 is connected with the emitter of a triode Q1, the inverting input end of an operational amplifier AR3 and one end of a resistor R10, the collector of a triode Q1 is grounded, the base of a triode Q3 is connected with the other end of a resistor R4, the output end of an operational amplifier AR3, the cathode of a diode D3 and the cathode of a diode D2, the emitter of a triode Q3 is connected with one end of a capacitor C3, the other end of a capacitor C3 is grounded, and the other end of a resistor R10 is.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the noise reduction circuit formed by the operational amplifier AR4, the triode Q3 and the capacitor C2 is used for reducing the signal-to-noise ratio and improving the stability of signals, meanwhile, the operational amplifier AR3, the diode D2 and the diode D3 are used for forming a peak value detection circuit to select peak value signal output and screen out single signals, and the anti-interference capability of the signals can be improved, wherein the triode Q1 and the triode Q2 form a push-pull circuit to feed back the output signals of the operational amplifier AR4 to the inverting input end of the operational amplifier AR3, the push-pull circuit can prevent signal cross-over distortion, and meanwhile, the output signal potential of the operational amplifier AR3 is adjusted to realize the calibration of;
2. in order to further ensure the stability of signals, signals output by the operational amplifier AR3 are fed back to the base electrode of the triode Q3, the amplitude of signals output by the operational amplifier AR4 is adjusted, automatic signal calibration is achieved, a filter circuit formed by the inductor L2, the capacitor C4 and the capacitor C5 is used for filtering signal noise waves, the signal noise waves are transmitted into the control terminal through the signal transmitter E1, correction signals of data signals are received for the control terminal, and the accuracy of the data signals is improved.
Drawings
Fig. 1 is the utility model discloses a data gateway for filling station falls the peak circuit diagram of making an uproar.
Fig. 2 is the utility model discloses a frequency acquisition circuit diagram of data gateway for filling station.
Fig. 3 is the utility model discloses a filtering transmission circuit diagram of data gateway for filling station.
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 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
In the first embodiment, a data gateway for a gas station comprises a frequency acquisition circuit, a noise reduction peak circuit and a filtering transmitting circuit, wherein the frequency acquisition circuit acquires the signal frequency output by a processing device in the data gateway for the gas station, the processing device is used for processing the acquired gas station data, the noise reduction peak circuit uses an operational amplifier AR4, a triode Q3 and a capacitor C2 to form the noise reduction circuit to reduce the signal-to-noise ratio, and simultaneously uses an operational amplifier AR3, a diode D2 and a diode D3 to form a peak detection circuit to select the peak signal output, wherein a triode Q1 and a triode Q2 form a push-pull circuit to feed back the operational amplifier AR4 to output a signal to an inverse input end of the operational amplifier AR3, and finally, the filtering transmitting circuit uses an inductor L2, a capacitor C4 and a capacitor C5 to form a filtering circuit to filter the noise and transmits the signal to a control terminal;
the noise reduction peak circuit uses an operational amplifier AR4, a triode Q3 and a capacitor C2 to form a noise reduction circuit to reduce the signal-to-noise ratio and improve the stability of signals, and simultaneously uses an operational amplifier AR3, a diode D2 and a diode D3 to form a peak detection circuit to select peak signal output and screen out single signals, so that the anti-interference capability of the signals can be improved, wherein a triode Q1 and a triode Q2 form a push-pull circuit to feed back the output signal of the operational amplifier AR4 to the inverting input end of the operational amplifier AR3, the push-pull circuit can prevent signal cross-over distortion, and simultaneously adjust the output signal potential of the operational amplifier AR3 to realize the calibration of the signal amplitude, in order to further ensure the stability of the signals, the output signal of the operational amplifier AR3 is fed back to the base of the triode Q3, the output signal amplitude of the operational amplifier AR4 is adjusted, so that the automatic calibration of the signals is realized, the in-, the inverting input end of the operational amplifier AR4 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is grounded, the output end of the operational amplifier AR4 is connected with the collector of a triode Q1, the other end of a capacitor C2, the base of the triode Q2 and the anode of a diode D3, the collector of a triode Q2 is connected with +5V, the emitter of a triode Q2 is connected with the emitter of a triode Q1, the inverting input end of an operational amplifier AR3 and one end of a resistor R10, the collector of a triode Q1 is grounded, the base of a triode Q3 is connected with the other end of a resistor R4, the output end of an operational amplifier AR3, the cathode of a diode D3 and the cathode of a diode D2, the emitter of a triode Q3 is connected with one end of a capacitor C3, the other end of a capacitor C.
In a second embodiment, on the basis of the first embodiment, the filter transmitting circuit uses a filter circuit composed of an inductor L2, a capacitor C4 and a capacitor C5 to filter out signal noise, and the signal is transmitted to the control terminal through a signal transmitter E1 to receive a correction signal of a data signal for the control terminal, one end of the inductor L2 is connected to one end of a capacitor C4 and the anode of a diode D2, the other end of the capacitor C4 is grounded, the other end of the inductor L2 is connected to one end of a resistor R12 and one end of the capacitor C5, the other end of the capacitor C5 is grounded, and the other end of the resistor R12 is connected to the signal transmitter E1;
the frequency acquisition circuit adopts a frequency collector J1 with the model of SJ-ADC to acquire the signal frequency output by a processing device in a data gateway for a gas station, the power supply end of the frequency collector J1 is connected with a resistor R1, one end of a capacitor C1 and a power supply +5V, the grounding end of the frequency collector J1 is grounded, the output end of the frequency collector J1 is connected with the other end of a resistor R1, the other end of a capacitor C1, the negative electrode of a voltage stabilizing tube D1 and the other end of a resistor R5, and the positive electrode of the voltage stabilizing tube D1 is grounded.
The utility model discloses when specifically using, a data gateway for filling station, including frequency acquisition circuit, fall the peak value circuit and the filter transmitting circuit of making an uproar, frequency acquisition circuit gathers the signal frequency of processing apparatus output in the data gateway for filling station, processing apparatus is arranged in handling the filling station data of gathering, fall the peak value circuit of making an uproar and use fortune ware AR4, triode Q3 and electric capacity C2 to constitute and fall the circuit of making an uproar and reduce the signal noise ratio, improve the stability of signal, simultaneously use fortune ware AR3 and diode D2, diode D3 to constitute peak detection circuit and select peak signal output, select single signal, can improve the interference killing feature of signal, wherein triode Q1, triode Q2 constitutes push-pull circuit feedback fortune ware AR4 output signal to fortune ware AR3 inverting input end, push-pull circuit can prevent signal cross distortion, adjust fortune ware AR3 output signal potential simultaneously, the calibration of the signal amplitude is realized, in order to further ensure the stability of the signal, the output signal of the operational amplifier AR3 is fed back to the base electrode of the triode Q3, the output signal amplitude of the operational amplifier AR4 is adjusted, the automatic calibration of the signal is realized, and finally, the filtering and transmitting circuit utilizes the inductor L2, the capacitor C4 and the capacitor C5 to form a filtering circuit to filter out signal clutter and transmits the signal clutter to the control terminal through the signal transmitter E1.
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. A data gateway for a gas station comprises a frequency acquisition circuit, a noise reduction peak circuit and a filtering transmitting circuit, and is characterized in that the frequency acquisition circuit acquires the signal frequency output by a processing device in the data gateway for the gas station, the processing device is used for processing the acquired gas station data, the noise reduction peak circuit uses an operational amplifier AR4, a triode Q3 and a capacitor C2 to form the noise reduction circuit to reduce the signal-to-noise ratio, meanwhile, the operational amplifier AR3, a diode D2 and a diode D3 are used to form a peak detection circuit to select the peak signal output, wherein a triode Q1 and a triode Q2 form a push-pull circuit to feed back the output signal of the operational amplifier AR4 to an inverse input end of the operational amplifier AR3, and finally, the filtering transmitting circuit uses an inductor L2, a capacitor C4 and a capacitor C5 to form a filtering circuit to filter noise waves, and transmits the filtered signal to a control;
the noise reduction peak value circuit comprises an operational amplifier AR4, wherein the non-inverting input end of the operational amplifier AR4 is connected with one end of a resistor R5 and one end of a capacitor C2, the inverting input end of the operational amplifier AR4 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R3 is grounded, the output end of the operational amplifier AR4 is connected with the collector of a triode Q1, the other end of the capacitor C2 and a triode Q1, the base of a triode Q2 and the anode of a diode D3, the collector of a triode Q2 is connected with +5V of a power supply, the emitter of a triode Q2 is connected with the emitter of a triode Q1, the inverting input end of an operational amplifier AR3 and one end of a resistor R10, the collector of a triode Q1 is grounded, the base of a triode Q3 is connected with the other end of a resistor R4, the output end of an operational amplifier AR3, the cathode of a diode D3 and the cathode of a diode D2, the emitter of a triode Q3 is connected with one end of a capacitor C3, the other end of a capacitor C3 is grounded, and the other end of a resistor R10 is.
2. The data gateway as claimed in claim 1, wherein the filter transmitter circuit comprises an inductor L2, one end of the inductor L2 is connected to one end of a capacitor C4 and the anode of a diode D2, the other end of the capacitor C4 is connected to ground, the other end of the inductor L2 is connected to a resistor R12, one end of a capacitor C5, the other end of the capacitor C5 is connected to ground, and the other end of the resistor R12 is connected to the signal transmitter E1.
3. The data gateway as claimed in claim 1, wherein the frequency acquisition circuit comprises a frequency collector J1 with model number SJ-ADC, the power terminal of the frequency collector J1 is connected with a resistor R1, one end of a capacitor C1 and +5V of power, the ground terminal of the frequency collector J1 is connected with ground, the output terminal of the frequency collector J1 is connected with a resistor R1, the other end of the capacitor C1, the negative electrode of a voltage regulator tube D1 and the other end of a resistor R5, and the positive electrode of the voltage regulator tube D1 is connected with ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921670065.1U CN210840076U (en) | 2019-10-08 | 2019-10-08 | Data gateway for gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921670065.1U CN210840076U (en) | 2019-10-08 | 2019-10-08 | Data gateway for gas station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210840076U true CN210840076U (en) | 2020-06-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921670065.1U Active CN210840076U (en) | 2019-10-08 | 2019-10-08 | Data gateway for gas station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210840076U (en) |
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2019
- 2019-10-08 CN CN201921670065.1U patent/CN210840076U/en active Active
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