CN210244577U - Electronic communication device for early warning of construction site - Google Patents
Electronic communication device for early warning of construction site Download PDFInfo
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- CN210244577U CN210244577U CN201921748976.1U CN201921748976U CN210244577U CN 210244577 U CN210244577 U CN 210244577U CN 201921748976 U CN201921748976 U CN 201921748976U CN 210244577 U CN210244577 U CN 210244577U
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Abstract
The utility model discloses an electronic communication device for early warning in construction site, which comprises a site information acquisition unit and a communication unit, wherein the communication unit comprises a communication server and a wireless transmitter, the communication server is used for analyzing and comparing the acquired data of the site information acquisition unit, and sends out an early warning instruction signal when the comparison result exceeds a safety value, the construction rescue room timely takes rescue measures after the early warning instruction is obtained, thereby realizing intelligent safety accident early warning, the early warning instruction signal is processed by the isolation amplification regulating circuit and the frequency-selecting power amplifier circuit in turn and then is sent into the wireless transmitter, the wireless transmitter remotely transmits the early warning signal to a wireless receiver arranged in the construction rescue room, the circuit design is ingenious, the anti-interference performance and the stability of the early warning instruction signal in the transmission process are improved, the instruction control is more accurate and reliable, and early warning is timely and effective.
Description
Technical Field
The utility model relates to a construction safety technical field especially relates to an electronic communication device for job site early warning.
Background
Because the working environment is special and complicated, a lot of potential safety accidents exist in the construction site. With the development of internet technology and the popularization of automatic production, on-site information acquisition systems are generally erected on the current construction sites, and the on-site state is monitored in real time by acquiring the environment of the construction sites, so that the purpose of intelligent monitoring is achieved. However, in the aspect of early warning of safety accidents on a construction site, since the analysis data needs to be checked in front of a monitoring computer at any time manually, accurate judgment and timely early warning are difficult to achieve, and timely and effective rescue cannot be achieved when a construction accident occurs.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, an object of the present invention is to provide an electronic communication device for early warning in construction site.
The technical scheme for solving the problem is as follows: the utility model provides an electron communication device for construction site early warning, includes site information acquisition unit and communication unit, the communication unit includes communication server and wireless transmitter, the communication server is used for the analysis comparison site information acquisition unit's data collection to send out early warning command signal when the comparison result surpasss the safe value, early warning command signal loops through and keeps apart to amplify regulating circuit and frequency-selecting power amplifier circuit and handle the back and send into among the wireless transmitter, wireless transmitter sends early warning signal teletransmission to setting in the wireless receiver of construction rescue room.
Further, the isolation amplification regulating circuit comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with the early warning instruction signal output end of the communication server, the inverting input end and the output end of the operational amplifier AR1 are connected with the cathode of the voltage stabilizing diode DZ1 and one end of a resistor R2 through a resistor R1, the other end of the resistor R2 is connected with a +5V power supply, and the anode of the voltage stabilizing diode DZ1 is grounded.
Further, the isolation amplification regulating circuit further comprises an operational amplifier AR2, a non-inverting input terminal of the operational amplifier AR2 is grounded through a resistor R4 and is connected with one end of a capacitor C1 and one end of a resistor R3 through a capacitor C2, the other end of the capacitor C1 is connected with a cathode of a zener diode DZ1, the other end of the resistor R3 is connected with an output terminal of the operational amplifier AR2 and one end of an adjustable resistor RP1, and the other end of the adjustable resistor RP1 and a sliding end are connected with an inverting input terminal of the operational amplifier AR2 and are grounded through a resistor R5.
Furthermore, the frequency-selective power amplifier circuit comprises an inductor L1, capacitors C3 and C4, one ends of the inductor L1 and the capacitor C3 are connected with the output end of the operational amplifier AR2 through a resistor R6, the other end of the inductor L1 is connected with one end of the capacitor C4 and the emitter of a triode T1, the other ends of the capacitors C3 and C4 are connected with the collector of the triode T1 and the base of the T2 and are grounded through a resistor R7, the base of the triode T1 and the collector of the triode T2 are connected with the input end of the wireless transmitter through the capacitor C5, and the emitter of the triode T2 is grounded.
Furthermore, the on-site information acquisition unit comprises a video acquisition device, a temperature and humidity sensor and a smoke sensor.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a site information acquisition unit carries out real-time supervision to the job site environment, judges whether there is the potential safety accident hazard through the comparison of communication server to site environment data, sends out early warning command signal when the comparison result of communication server surpasss the safe value, and the construction rescue room is in time taken the help and is taken the measure after obtaining this early warning instruction to realize intelligent incident early warning;
2. the early warning instruction signal is processed through the isolation amplification regulating circuit and the frequency-selecting power amplifier circuit and then is sent to the wireless transmitter, the circuit design is ingenious, the anti-interference performance and the stability of the early warning instruction signal in the transmission process are improved, the instruction control is more accurate and reliable, and early warning is timely and effective.
Drawings
Fig. 1 is a schematic diagram of the isolation amplification regulating circuit of the present invention.
Fig. 2 is a schematic diagram of the frequency-selecting power amplifier 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 electronic communication device for job site early warning, includes site information acquisition unit and communication unit, and the communication unit includes communication server and wireless transmitter E1, and communication server is used for the data collection of analysis comparison site information acquisition unit. During specific facilities, the site information acquisition unit comprises a video acquisition device, a temperature and humidity sensor and a smoke sensor, the image acquisition of a construction site is realized through the video acquisition device, the temperature and humidity of the construction site are acquired through the temperature and humidity sensor, and the smoke concentration of the construction site is acquired through the smoke sensor. And finally, the acquired data is sent into a communication server through the existing data transmission technology for data analysis and comparison processing, and an early warning instruction signal is sent out when the comparison result exceeds a safety value, the early warning instruction signal is sent into a wireless transmitter E1 after being processed through an isolation amplification regulating circuit and a frequency-selecting power amplifier circuit in sequence, and the wireless transmitter E1 remotely transmits the early warning signal to a wireless receiver arranged in a construction rescue room.
In order to ensure the effectiveness of the early warning instruction signal sent by the communication server, the early warning instruction signal is processed by adopting an isolation amplification regulating circuit. As shown in fig. 1, the isolation amplification regulating circuit includes an operational amplifier AR1, a non-inverting input terminal of the operational amplifier AR1 is connected to an early warning instruction signal output terminal of the communication server, an inverting input terminal and an output terminal of the operational amplifier AR1 are connected to a cathode of the zener diode DZ1 and one end of the resistor R2 through the resistor R1, the other end of the resistor R2 is connected to a +5V power supply, and an anode of the zener diode DZ1 is grounded. The operational amplifier AR1 utilizes the isolation amplifier principle to amplify and output the early warning command signal sent by the communication server, thereby preventing the interference of the post-stage circuit to the communication server while ensuring the stability of the signal. Then the +5V power supply and the resistor R2 apply reference voltage to the early warning command signal to ensure the signal precision, and the voltage stabilizing diode DZ1 plays a role in stabilizing the reference voltage.
In order to prevent the stability of the early warning instruction signal from being influenced by network fluctuation and clutter interference in the transmission process, the isolation amplification adjusting circuit also adopts a second-order RC band-pass filter principle to adjust the early warning instruction signal, so that the stability of the signal in the transmission process is effectively improved, and the accurate and reliable control of the early warning instruction is ensured. The second-order RC band-pass filter comprises an operational amplifier AR2, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R4 and is connected with one end of a capacitor C1 and one end of a resistor R3 through a capacitor C2, the other end of the capacitor C1 is connected with the cathode of a voltage stabilizing diode DZ1, the other end of the resistor R3 is connected with the output end of an operational amplifier AR2 and one end of an adjustable resistor RP1, and the other end of the adjustable resistor RP1 and the sliding end are connected with the inverting input end of the operational amplifier AR2 and are grounded through a resistor R5. Wherein, adjusting the resistance value of adjustable resistor RP1 can change the output signal intensity of fortune enlarger AR2 to make the regulation more simple and convenient in the aspect of the adaptability of device.
In order to ensure that the early warning instruction signal can be sent out accurately, the output signal of the operational amplifier AR2 is processed by adopting a frequency-selecting power amplifier circuit. As shown in fig. 2, the frequency-selective power amplifier circuit includes an inductor L1 and capacitors C3 and C4, one ends of the inductor L1 and the capacitor C3 are connected to the output end of the operational amplifier AR2 through a resistor R6, the other end of the inductor L1 is connected to one end of the capacitor C4 and the emitter of the transistor T1, the other ends of the capacitors C3 and C4 are connected to the collector of the transistor T1 and the base of the transistor T2, and are grounded through a resistor R7, the base of the transistor T1 and the collector of the transistor T2 are connected to the input end of the wireless transmitter E1 through a capacitor C5, and the emitter 2 of the transistor T2 is grounded.
The output signal of the isolation amplification regulating circuit is sent into an LC parallel resonance circuit formed by an inductor L1 and capacitors C3 and C4, and the frequency selection effect is achieved on the early warning command signal by utilizing the LC filtering principle, so that the command emission precision is effectively improved. Then the early warning instruction signal is sent into a combined power amplifier tube formed by the triodes T1 and T2 for power amplification, the emission intensity of the early warning instruction signal is rapidly improved, and the effectiveness of remote transmission control of the electronic communication device is ensured.
The utility model discloses when specifically using, the on-the-spot information acquisition unit carries out real-time supervision to the job site environment, judges whether there is the incident hidden danger to the comparison of on-the-spot environmental data through communication server, for example, when job site temperature surpassed the situation such as safe value or job site conflagration emergence, communication server's the comparative result of corresponding data can surpass the system and predetermine the safe value to send early warning command signal, thereby realize intelligent incident early warning. The early warning instruction signal is processed by the isolation amplification regulating circuit and the frequency-selecting power amplifier circuit in sequence and then sent to the wireless transmitter E1, and the construction rescue room timely takes rescue measures after the early warning instruction is obtained. The utility model discloses circuit design is ingenious, improves early warning command signal at the interference immunity and the stability of transmission process, makes command control more accurate reliable, and the early warning is timely effective.
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 (5)
1. The utility model provides an electronic communication device for job site early warning, includes site information acquisition unit and communication unit, its characterized in that: the communication unit comprises a communication server and a wireless transmitter, the communication server is used for analyzing and comparing the acquired data of the field information acquisition unit and sending out an early warning instruction signal when the comparison result exceeds a safety value, the early warning instruction signal is sent into the wireless transmitter after being processed by an isolation amplification regulating circuit and a frequency-selecting power amplifier circuit in sequence, and the wireless transmitter remotely transmits the early warning signal to a wireless receiver arranged in a construction rescue room.
2. The electronic communication device of claim 1, wherein: the isolation amplification regulating circuit comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with the early warning instruction signal output end of the communication server, the inverting input end and the output end of the operational amplifier AR1 are connected with the cathode of a voltage stabilizing diode DZ1 and one end of a resistor R2 through a resistor R1, the other end of the resistor R2 is connected with a +5V power supply, and the anode of the voltage stabilizing diode DZ1 is grounded.
3. The electronic communication device of claim 2, wherein: the isolation amplification regulating circuit further comprises an operational amplifier AR2, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R4 and is connected with one end of a capacitor C1 and one end of a resistor R3 through a capacitor C2, the other end of the capacitor C1 is connected with the cathode of a voltage stabilizing diode DZ1, the other end of the resistor R3 is connected with the output end of the operational amplifier AR2 and one end of an adjustable resistor RP1, and the other end of the adjustable resistor RP1 and the sliding end are connected with the inverting input end of the operational amplifier AR2 and are grounded through a resistor R5.
4. The electronic communication device of claim 3, wherein: the frequency-selecting power amplifier circuit comprises an inductor L1, capacitors C3 and C4, one ends of the inductor L1 and the capacitor C3 are connected with the output end of an operational amplifier AR2 through a resistor R6, the other end of the inductor L1 is connected with one end of the capacitor C4 and the emitter of a triode T1, the other ends of the capacitors C3 and C4 are connected with the collector of the triode T1 and the base of the T2 and are grounded through a resistor R7, the base of the triode T1 and the collector of the triode T2 are connected with the input end of a wireless transmitter through the capacitor C5, and the emitter of the triode T2 is grounded.
5. The electronic communication device of claim 1, wherein: the field information acquisition unit comprises a video acquisition device, a temperature and humidity sensor and a smoke sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748976.1U CN210244577U (en) | 2019-10-18 | 2019-10-18 | Electronic communication device for early warning of construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748976.1U CN210244577U (en) | 2019-10-18 | 2019-10-18 | Electronic communication device for early warning of construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210244577U true CN210244577U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921748976.1U Expired - Fee Related CN210244577U (en) | 2019-10-18 | 2019-10-18 | Electronic communication device for early warning of construction site |
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| CN (1) | CN210244577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315006A (en) * | 2020-09-29 | 2022-04-12 | 河南润园生态环境科技有限公司 | Control treatment method of sewage treatment equipment based on SBR method |
-
2019
- 2019-10-18 CN CN201921748976.1U patent/CN210244577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315006A (en) * | 2020-09-29 | 2022-04-12 | 河南润园生态环境科技有限公司 | Control treatment method of sewage treatment equipment based on SBR method |
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| 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: 20200403 Termination date: 20201018 |