CN210775640U - Electric power safety monitoring and early warning device - Google Patents
Electric power safety monitoring and early warning device Download PDFInfo
- Publication number
- CN210775640U CN210775640U CN201921368857.3U CN201921368857U CN210775640U CN 210775640 U CN210775640 U CN 210775640U CN 201921368857 U CN201921368857 U CN 201921368857U CN 210775640 U CN210775640 U CN 210775640U
- Authority
- CN
- China
- Prior art keywords
- voltage
- triode
- signal
- resistor
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an electric power safety monitoring and early warning device, including the voltage module, the voltage module detects electric power output voltage signal, sends to remote early warning module in simultaneously, triggers early warning module work, its characterized in that, the voltage module includes voltage acquisition circuit, feedback comparison circuit and steady voltage transmitting circuit, voltage acquisition circuit gathers electric power output voltage signal, triode Q2 detects the potential difference of triode Q1 projecting pole and fortune ware AR1 output signal, and feedback signal is to in fortune ware AR1 inverting input end, adjust fortune ware AR1 output signal potential, at last utilize fortune ware AR2 cophase amplified signal, and utilize diode D1, diode D2 to constitute limiting circuit restriction signal potential, steady voltage transmitting circuit utilizes triode Q3 and stabilivolt D3 to constitute triode voltage stabilizing circuit steady signal potential, can be to electric power output voltage signal real-time supervision, and after the signal is calibrated, converting the signal into a trigger signal of the early warning module.
Description
Technical Field
The utility model relates to an early warning technical field especially relates to an electric power safety monitoring and forewarning device.
Background
The utility model provides an electric power safety monitoring early warning device, including control terminal, signal acquisition module, wireless signal transmission module, early warning module, display module, control terminal passes through the signal that wireless signal transmission module received signal acquisition module output, and control terminal analysis processes signal control display module simultaneously and shows electric power information, and wherein signal acquisition module still includes voltage module, and voltage module detects electric power output voltage signal, send simultaneously to in the remote early warning module, trigger early warning module work, and current early warning trigger signal error is great, do not pass through control terminal analysis processes, lead to the wrong report very easily, and control terminal handles to cause the delay of signal again, seriously influence the early warning effect.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model aims to provide an electric power safety monitoring early warning device has the characteristic of thinking ingenious, humanized design, can convert the triggering signal of early warning module into after the signal calibration to electric power output voltage signal real-time supervision.
The technical scheme includes that the electric power safety monitoring and early warning device comprises a control terminal, a signal acquisition module, a wireless signal transmission module, an early warning module and a display module, wherein the control terminal receives signals output by the signal acquisition module through the wireless signal transmission module, and analyzes and processes the signals to control the display module to display electric power information, the signal acquisition module further comprises a voltage module, the voltage module detects electric power output voltage signals and sends the electric power output voltage signals to a remote early warning module to trigger the early warning module to work, the voltage module comprises a voltage acquisition circuit, a feedback comparison circuit and a voltage stabilization transmitting circuit, the voltage acquisition circuit acquires the electric power output voltage signals, the feedback comparison circuit amplifies the signals by using a triode Q1, the operational amplifier AR1 compares the signals, and the triode Q2 detects the potential difference of the emitting electrode of the triode Q1 and the output signals of the operational amplifier AR1, the feedback signal is fed into the inverting input end of the operational amplifier AR1, the output signal potential of the operational amplifier AR1 is adjusted, finally the operational amplifier AR2 is used for amplifying signals in phase, a limiting circuit consisting of a diode D1 and a diode D2 is used for limiting the signal potential, and a voltage stabilizing transmitting circuit consists of a triode Q3 and a voltage stabilizing tube D3 and is used for stabilizing the signal potential and then is transmitted into the early warning module through a signal transmitter E1;
the feedback comparison circuit comprises a triode Q1, wherein the base electrode of the triode Q1 is connected with one end of a resistor R4 and the non-inverting input end of an operational amplifier AR1, the collector electrode of a triode Q1 is connected with the other end of a resistor R4, the emitter electrode of a triode Q1 is connected with one end of a resistor R3 and the base electrode of a triode Q2, the other end of a resistor R3 is grounded, the collector electrode of a triode Q2 is connected with one end of a resistor R7 and the inverting input end of an operational amplifier AR1, the other end of a resistor R7 is grounded, the emitter electrode of a triode Q2 is connected with the output end of an operational amplifier AR1 and the non-inverting input end of an operational amplifier AR2, the inverting input end of an operational amplifier AR2 is connected with one end of a resistor R5 and a resistor R5, the other end of the resistor R5 is grounded, the other end of the resistor R5 is connected with the output end of the operational amplifier AR 36.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the advantages that;
1, amplifying a signal by using a triode Q1, improving the signal intensity, comparing the signal by using an operational amplifier AR1, stabilizing the static working point of the signal, detecting the potential difference of an emitter of the triode Q1 and the output signal of the operational amplifier AR1 by using a triode Q2, feeding back a signal to the inverting input end of the operational amplifier AR1, adjusting the output signal potential of the operational amplifier AR1, ensuring the accuracy of the signal potential, reducing the signal error, amplifying the signal in phase by using the operational amplifier AR2, compensating the conduction loss of the signal, limiting the signal potential by using a limiting circuit consisting of a diode D1 and a diode D2, protecting the circuit, and improving the practical value of the circuit;
2. after a triode voltage stabilizing circuit is formed by the triode Q3 and the voltage stabilizing tube D3 to stabilize the signal potential, the stability of the signal is further improved, the signal is sent into the early warning module through the signal transmitter E1, when the voltage is abnormal, the early warning module can be directly started to work, workers can timely overhaul, the delay of the signal is overcome, and the development value is very high.
Drawings
Fig. 1 is a feedback comparison circuit diagram of the present invention.
Fig. 2 is a circuit diagram of the voltage acquisition circuit of the present invention.
Fig. 3 is a voltage-stabilizing transmitting circuit diagram 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 3. 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 embodiment I is characterized in that the voltage module comprises a voltage acquisition circuit, a feedback comparison circuit and a voltage stabilization transmitting circuit, the voltage acquisition circuit acquires a power output voltage signal, the feedback comparison circuit amplifies the signal by using a triode Q1, the operational amplifier AR1 compares the signal, the triode Q2 detects the potential difference of the emitter of the triode Q1 and the output signal of the operational amplifier AR1, the feedback signal is fed into the inverting input end of the operational amplifier AR1, the output signal potential of the operational amplifier AR1 is adjusted, finally the operational amplifier AR2 is used for amplifying signals in phase, a limiting circuit consisting of a diode D1 and a diode D2 is used for limiting the signal potential, and a voltage stabilizing transmitting circuit consists of a triode Q3 and a voltage stabilizing tube D3 and is used for stabilizing the signal potential and then is transmitted into the early warning module through a signal transmitter E1;
the feedback comparison circuit amplifies signals by using a triode Q1, improves the signal strength, compares signals by using an operational amplifier AR1, stabilizes a signal static working point, detects the potential difference of the emitter of the triode Q1 and the output signal of the operational amplifier AR1 by using a triode Q2, feeds back the signal to the inverting input end of the operational amplifier AR1, adjusts the output signal potential of the operational amplifier AR1, ensures the accuracy of the signal potential, reduces the signal error, amplifies the signal in phase by using an operational amplifier AR2, compensates the conduction loss of the signal, limits the signal potential by using a limiting circuit formed by a diode D1 and a diode D2, plays a role of protecting the circuit, improves the practical value of the circuit, the base of the triode Q1 is connected with one end of a resistor R4 and the non-inverting input end of the operational amplifier AR1, the collector of the triode Q38 is connected with the other end of a resistor R4, the emitter of the triode Q1 is connected with one end of a resistor R58, the other end of the resistor R3 is grounded, the collector of the triode Q2 is connected with one end of the resistor R7 and the inverting input end of the operational amplifier AR1, the other end of the resistor R7 is grounded, the emitter of the triode Q2 is connected with the output end of the operational amplifier AR1 and the non-inverting input end of the operational amplifier AR2, the inverting input end of the operational amplifier AR2 is connected with one ends of the resistor R5 and the resistor R6, the other end of the resistor R5 is grounded, the other end of the resistor R6 is connected with the output end of the operational amplifier AR2, the cathode of the diode D1 and the anode of the diode D2, and the anode of the diode D1 is connected with the cathode.
In the second embodiment, on the basis of the first embodiment, the voltage stabilizing and transmitting circuit uses a triode Q3 and a triode D3 to form a triode voltage stabilizing circuit to stabilize the signal potential, further improve the stability of the signal, and transmit the signal to the early warning module through a signal transmitter E1, when the voltage is abnormal, the early warning module can be directly started to work, so that a worker can timely overhaul the signal, and simultaneously calibrate the signal, thereby reducing the signal error, preventing false alarm, and improving the reliability of the signal, the collector of the triode Q3 is connected with one end of a resistor R8 and the anode of a diode D1, the base of the triode Q3 is connected with the other end of a resistor R8 and the cathode of a stabilivolt D3, the anode of the stabilivolt D3 is grounded, the emitter Q3 is connected with one end of an emitter resistor R9, and the other end of the resistor R9 is connected with the;
the voltage acquisition circuit selects a voltage transformer J1 with the model of ZCPTC02 to acquire an electric power output voltage signal, a power supply end of the voltage transformer J1 is connected with one end of a resistor R1, a grounding end of the voltage transformer J1 is grounded, an output end of the voltage transformer J1 is connected with one end of a capacitor C1 and one end of a resistor R2, the other end of the resistor R1 and the other end of the capacitor C1 are connected with a power supply +5V, and the other end of the resistor R2 is connected with a base electrode of a triode Q1.
The utility model discloses when using specifically, an electric power safety monitoring early warning device, including voltage acquisition circuit, feedback comparison circuit and steady voltage transmitting circuit, voltage acquisition circuit gathers electric power output voltage signal, feedback comparison circuit utilizes triode Q1 to amplify the signal, improve signal strength, utilize fortune ware AR1 comparison signal simultaneously, steady signal quiescent operating point, triode Q2 detects the potential difference of triode Q1 projecting pole and fortune ware AR1 output signal, and feedback signal is to in fortune ware AR1 inverting input, adjust fortune ware AR1 output signal potential, guarantee the accuracy of signal potential, reduce signal error, utilize fortune ware AR2 homophase amplified signal finally, compensate the conduction loss of signal, and utilize diode D1, diode D2 to constitute limiting circuit restriction signal potential, play the effect of protection circuit, improve the practical value of circuit, the voltage-stabilizing transmitting circuit utilizes a triode Q3 and a voltage-stabilizing tube D3 to form a triode voltage-stabilizing circuit to stabilize signal potential, and then the triode voltage-stabilizing circuit is sent into the early warning module through a 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 power safety monitoring and early warning device comprises a control terminal, a signal acquisition module, a wireless signal transmission module, an early warning module and a display module, wherein the control terminal receives signals output by the signal acquisition module through the wireless signal transmission module, and simultaneously the control terminal analyzes and processes the signals to control the display module to display power information, the signal acquisition module further comprises a voltage module, the voltage module detects power output voltage signals and simultaneously transmits the power output voltage signals to a remote early warning module to trigger the early warning module to work, the device is characterized in that the voltage module comprises a voltage acquisition circuit, a feedback comparison circuit and a voltage stabilization transmitting circuit, the voltage acquisition circuit acquires the power output voltage signals, the feedback comparison circuit utilizes a triode Q1 to amplify the signals, simultaneously utilizes an operational amplifier AR1 to compare the signals, and the triode Q2 detects the potential difference of the emitting electrode of the triode Q1 and the output signals of the operational amplifier AR1, the feedback signal is fed into the inverting input end of the operational amplifier AR1, the output signal potential of the operational amplifier AR1 is adjusted, finally the operational amplifier AR2 is used for amplifying signals in phase, a limiting circuit consisting of a diode D1 and a diode D2 is used for limiting the signal potential, and a voltage stabilizing transmitting circuit consists of a triode Q3 and a voltage stabilizing tube D3 and is used for stabilizing the signal potential and then is transmitted into the early warning module through a signal transmitter E1;
the feedback comparison circuit comprises a triode Q1, wherein the base electrode of the triode Q1 is connected with one end of a resistor R4 and the non-inverting input end of an operational amplifier AR1, the collector electrode of a triode Q1 is connected with the other end of a resistor R4, the emitter electrode of a triode Q1 is connected with one end of a resistor R3 and the base electrode of a triode Q2, the other end of a resistor R3 is grounded, the collector electrode of a triode Q2 is connected with one end of a resistor R7 and the inverting input end of an operational amplifier AR1, the other end of a resistor R7 is grounded, the emitter electrode of a triode Q2 is connected with the output end of an operational amplifier AR1 and the non-inverting input end of an operational amplifier AR2, the inverting input end of an operational amplifier AR2 is connected with one end of a resistor R5 and a resistor R5, the other end of the resistor R5 is grounded, the other end of the resistor R5 is connected with the output end of the operational amplifier AR 36.
2. The electric power safety monitoring and early warning device as claimed in claim 1, wherein the voltage-stabilizing transmitting circuit comprises a triode Q3, the collector of the triode Q3 is connected with one end of a resistor R8 and the anode of a diode D1, the base of the triode Q3 is connected with the other end of a resistor R8 and the cathode of a voltage regulator D3, the anode of the voltage regulator D3 is grounded, the emitter of the triode Q3 is connected with one end of a resistor R9, and the other end of the resistor R9 is connected with a signal transmitter E1.
3. The electric power safety monitoring and early warning device as claimed in claim 1, wherein the voltage acquisition circuit comprises a voltage transformer J1 with model number ZCPTC02, a power supply end of the voltage transformer J1 is connected with one end of a resistor R1, a ground end of the voltage transformer J1 is connected with ground, an output end of the voltage transformer J1 is connected with one ends of a capacitor C1 and a resistor R2, the other ends of the resistor R1 and a capacitor C1 are connected with a power supply of +5V, and the other end of the resistor R2 is connected with a base electrode of a triode Q1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368857.3U CN210775640U (en) | 2019-08-22 | 2019-08-22 | Electric power safety monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921368857.3U CN210775640U (en) | 2019-08-22 | 2019-08-22 | Electric power safety monitoring and early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775640U true CN210775640U (en) | 2020-06-16 |
Family
ID=71039284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921368857.3U Expired - Fee Related CN210775640U (en) | 2019-08-22 | 2019-08-22 | Electric power safety monitoring and early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210775640U (en) |
-
2019
- 2019-08-22 CN CN201921368857.3U patent/CN210775640U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110988579B (en) | Power grid fault real-time monitoring system | |
| CN110233633A (en) | A kind of data transfer of computer system based on Internet of Things | |
| CN110138410B (en) | Tourism safety intelligent management system | |
| CN109378706B (en) | Semiconductor laser high peak power energy supply constant current pulse driving power supply | |
| CN210775640U (en) | Electric power safety monitoring and early warning device | |
| CN109460002B (en) | High-efficiency control protection system and method in high-power millimeter wave test process | |
| CN110658805B (en) | Signal calibration circuit of industrial building fire-fighting system | |
| CN111756393A (en) | Building construction information management system based on Internet of things | |
| CN214670988U (en) | Linear light beam smoke fire detector capable of automatically adjusting sensitivity | |
| CN111181513B (en) | Data security transmission circuit | |
| CN210347767U (en) | Tunnel construction progress real-time monitoring system | |
| CN210608946U (en) | Intelligent cabinet controller | |
| CN210953728U (en) | PM2.5 concentration detection system | |
| CN210401516U (en) | Remote monitoring system for running state of air source heat pump water equipment | |
| CN209787185U (en) | Communication safety monitoring system | |
| CN204177863U (en) | A kind of high-precision pulse power detection module | |
| CN210345991U (en) | Power regulating device of air source heat pump machine | |
| CN209001338U (en) | A kind of laser drive power | |
| CN214794872U (en) | Online calibrating device of wind turbine anemoscope | |
| CN209767526U (en) | Microwave transceiving front end with isolation voltage detection function | |
| CN210168036U (en) | Comprehensive energy management system | |
| CN113612973A (en) | Security protection coordinated control system | |
| CN211318587U (en) | Subway traction power supply monitoring circuit | |
| CN209994509U (en) | Intelligent data transmission system for miniature electric energy meter | |
| CN209326786U (en) | A kind of low noise laser pickoff |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210822 |