CN211554696U - Computer electronic communication system - Google Patents
Computer electronic communication system Download PDFInfo
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- CN211554696U CN211554696U CN202020249206.9U CN202020249206U CN211554696U CN 211554696 U CN211554696 U CN 211554696U CN 202020249206 U CN202020249206 U CN 202020249206U CN 211554696 U CN211554696 U CN 211554696U
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- 238000005516 engineering process Methods 0.000 abstract description 6
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- 230000008054 signal transmission Effects 0.000 abstract description 5
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- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a computer electronic communication system, which comprises a computer control server and a wireless transmission unit, wherein the computer control server is used for collecting and analyzing industrial production data and sending out corresponding control command signals when the data are abnormal, the wireless transmission unit comprises a command filtering and adjusting circuit and a power amplifier transmitting circuit, the command filtering and adjusting circuit sequentially carries out RC filtering and band-pass filtering on the control command signals, thereby effectively eliminating the interference influence of network fluctuation and power frequency, electromagnetism and the like, improving the stability and the accuracy of command signal transmission, the power amplifier transmitting circuit effectively improves the transmitting power of the control command signals by utilizing the complementary push-pull power amplifying circuit principle, avoiding cross distortion, leading the transmission distance of the wireless communication command signals to be farther, shortening the transmission time, strengthening the networking communication capacity of industrial production equipment, and utilizing the wireless communication technology to control production equipment to carry out corresponding adjustment, thereby realizing the purpose of remote automatic control.
Description
Technical Field
The utility model relates to a computer control technology field especially relates to a computer electronic communication system.
Background
With the continuous development of computer control technology, wireless communication systems based on computer control are also widely used. The wireless communication system collects industrial production data in real time by depending on the network intelligent sensor, and the computer controls the centralized management of the server on the production information data, thereby facilitating the transmission, the release and the sharing of industrial data. In the industrial production link, the wireless communication technology plays an irreplaceable role in communication of various intelligent devices, and the important function of remote intelligent control is realized. In the process of remotely controlling the industrial production equipment by the computer control server, the control command is influenced by factors such as network fluctuation, power frequency interference and the like in a wireless communication network, so that the signal transmission of the wireless communication command is unstable, even the remote control fails, and the adverse effect is brought to the industrial production.
So the utility model provides a new scheme to solve the problem.
Disclosure of Invention
In view of the above situation, an object of the present invention is to provide a computer electronic communication system for overcoming the drawbacks of the prior art.
The technical scheme for solving the problem is as follows: a computer electronic communication system comprises a computer control server and a wireless transmission unit, wherein the computer control server is used for collecting and analyzing industrial production data and sending out corresponding control instruction signals when the data are abnormal; the wireless transmission unit comprises an instruction filtering adjusting circuit and a power amplifier transmitting circuit, wherein the input end of the instruction filtering adjusting circuit is connected with the instruction output end of the computer control server, the output end of the instruction filtering adjusting circuit is connected with the input end of the power amplifier transmitting circuit, the output end of the power amplifier transmitting circuit is connected with a wireless signal transmitter, and the wireless signal transmitter and a wireless signal receiver arranged on industrial production equipment form remote communication.
Further, the instruction filtering and adjusting circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, an operational amplifier AR1, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a resistor R5; one end of the capacitor C1 is connected to the instruction output end of the computer control server, the other end of the capacitor C1 is connected to one end of the resistor R2 and is grounded through the parallel resistor R1 and the capacitor C2, the other end of the resistor R2 is connected to one ends of the resistor R3 and the capacitor C3, the other end of the resistor R3 is connected to the non-inverting input end of the operational amplifier AR1 and is grounded through the capacitor C4, the other end of the capacitor C3 is connected to one end of the resistor R5 and the output end of the operational amplifier AR1, and the other end of the resistor R5 is connected to the inverting input end of the operational amplifier AR1 and is grounded through the resistor R4.
Further, the power amplifier transmitting circuit comprises an operational amplifier AR2, a triode VT1, a triode VT2, a capacitor C5, a capacitor C6, a voltage regulator tube DZ1, a resistor R7, a resistor R8 and an inductor L1; the inverting input end of the operational amplifier AR2 is connected with the output end of the operational amplifier AR1, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R6, the output end of the operational amplifier AR2 is connected with the bases of a triode VT1 and a triode VT2 respectively, the collector of the triode VT1 is connected with a +5V power supply, the collector of the triode VT2 is grounded, the emitters of the triode VT1 and the triode VT2 are both connected with one end of a resistor R7 and one end of a resistor R8, the other end of the resistor R7 is grounded through a voltage stabilizing tube DZ1 and a capacitor C5 which are connected in parallel, the other end of the resistor R8 is connected with one end of an inductor L1 through a capacitor C6, and the other.
Further, the transistor VT1 is an NPN transistor; the transistor VT2 is a PNP transistor.
Further, the cathode of the voltage regulator tube DZ1 is connected with a resistor R7, and the anode of the voltage regulator tube DZ1 is grounded.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the computer control server is used for collecting and analyzing industrial production data, sending a corresponding control instruction signal when the data is abnormal, and controlling production equipment to perform corresponding adjustment by utilizing a wireless communication technology, so that the aim of remote automatic control is fulfilled;
2. the instruction filtering adjusting circuit sequentially performs RC filtering and band-pass filtering on the control instruction signal, so that the influence of network fluctuation, power frequency, electromagnetism and other interference is effectively eliminated, and the stability and the accuracy of instruction signal transmission are improved;
3. the power amplifier transmitting circuit effectively improves the transmitting power of the control command signal by utilizing the principle of the complementary push-pull power amplifying circuit, avoids generating cross distortion, enables the transmission distance of the wireless communication command signal to be longer, shortens the transmission time and strengthens the networking communication capability of industrial production equipment.
Drawings
Fig. 1 is a schematic diagram of the command filtering adjusting circuit of the present invention.
Fig. 2 is a schematic diagram of the power amplifier transmitting 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.
A computer electronic communication system comprises a computer control server and a wireless transmission unit, wherein the computer control server is used for collecting and analyzing industrial production data and sending out corresponding control instruction signals when data are abnormal. The wireless transmission unit comprises an instruction filtering and adjusting circuit and a power amplifier transmitting circuit, wherein the input end of the instruction filtering and adjusting circuit is connected with the instruction output end of the computer control server, the output end of the instruction filtering and adjusting circuit is connected with the input end of the power amplifier transmitting circuit, the output end of the power amplifier transmitting circuit is connected with a wireless signal transmitter, and the wireless signal transmitter and a wireless signal receiver arranged on industrial production equipment form remote communication.
In order to eliminate the influence of network fluctuation and power frequency interference, a control command signal sent by a computer control server is firstly sent into a command filtering and adjusting circuit for adjustment. As shown in fig. 1, the command filter adjusting circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, an operational amplifier AR1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, and a resistor R5; one end of the capacitor C1 is connected to an instruction output end of the computer control server, INT in fig. 1 represents an instruction output port of the computer control server, the other end of the capacitor C1 is connected to one end of the resistor R2 and is grounded through the parallel resistor R1 and the capacitor C2, the other end of the resistor R2 is connected to one ends of the resistor R3 and the capacitor C3, the other end of the resistor R3 is connected to a non-inverting input end of the operational amplifier AR1 and is grounded through the capacitor C4, the other end of the capacitor C3 is connected to one end of the resistor R5 and an output end of the operational amplifier AR1, and the other end of the resistor R5 is connected to an inverting input end of the operational amplifier AR1 and is grounded through the resistor R.
The specific working principle of the instruction filtering regulating circuit is as follows: after being blocked by the capacitor C1, the control command signal is sent to RC filter formed by the capacitor C2 and the resistor R1 for stabilization, so that peak clutter interference generated by network fluctuation can be effectively eliminated. The resistor R2, the resistor R3, the capacitor C3 and the capacitor C4 form a second-order band-pass filter in the amplification process of the operational amplifier AR1, and the band-pass filtering principle is utilized to accurately select the frequency of the control command signal, so that interference factors such as power frequency and electromagnetism are eliminated, and the stability and the accuracy of command signal transmission are improved.
As shown in fig. 2, the output signal of the operational amplifier AR1 is sent to the wireless signal transmitter for transmission after being amplified, Sin1 in fig. 1 and 2 represents the output signal of the operational amplifier AR1, and E1 in fig. 2 represents the wireless signal transmitter. The power amplifier transmitting circuit comprises an operational amplifier AR2, a triode VT1, a triode VT2, a capacitor C5, a capacitor C6, a voltage regulator tube DZ1, a resistor R7, a resistor R8 and an inductor L1; the inverting input end of the operational amplifier AR2 is connected with the output end of the operational amplifier AR1, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R6, the output end of the operational amplifier AR2 is connected with the bases of a triode VT1 and a triode VT2 respectively, the collector of the triode VT1 is connected with a +5V power supply, the collector of the triode VT2 is grounded, the emitters of the triode VT1 and the triode VT2 are both connected with one end of a resistor R7 and one end of a resistor R8, the other end of the resistor R7 is grounded through a voltage stabilizing tube DZ1 and a capacitor C5 which are connected in parallel, the other end of the resistor R8 is connected with one end of an inductor L1 through a capacitor C6, and the other.
In this embodiment, the transistor VT1 is an NPN transistor; the transistor VT2 is a PNP transistor. The cathode of the voltage regulator tube DZ1 is connected with a resistor R7, and the anode of the voltage regulator tube DZ1 is grounded.
The working principle of the power amplifier transmitting circuit is as follows: the operational amplifier AR2 further amplifies the output signal of the operational amplifier AR1 by using the emitter follower principle, and the triode VT1 and the triode VT2 form a complementary push-pull power amplification circuit at the output end of the operational amplifier AR2, thereby well improving the transmitting power of the control command signal and avoiding cross distortion. The voltage-stabilizing tube DZ1 and the capacitor C5 are connected in parallel to achieve a good amplitude stabilizing effect on the signals after power amplification, and finally the signals are subjected to series resonance filtering by the capacitor C6 and the inductor L1 and then sent to a wireless signal transmitter for remote transmission.
The utility model discloses when specifically using, adopt network intelligent sensor to come real-time acquisition industrial production data to carry out analysis processes in sending into computer control server with the data gathered, send control command signal when production data appear unusually, and utilize wireless communication technology control production facility to carry out corresponding adjustment, thereby realize the purpose of remote automation control. The instruction filtering adjusting circuit is adopted to sequentially perform RC filtering and band-pass filtering on the control instruction signal, so that the influence of network fluctuation, power frequency, electromagnetism and other interference is effectively eliminated, and the stability and the accuracy of instruction signal transmission are improved. The power amplifier transmitting circuit effectively improves the transmitting power of the control command signal by utilizing the principle of the complementary push-pull power amplifying circuit, avoids generating cross distortion, enables the transmission distance of the wireless communication command signal to be longer, shortens the transmission time and strengthens the networking communication capability of industrial production equipment.
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. A computer electronic communication system, comprising a computer control server and a wireless transmission unit, characterized in that: the computer control server is used for collecting and analyzing industrial production data and sending out corresponding control instruction signals when the data are abnormal;
the wireless transmission unit comprises an instruction filtering adjusting circuit and a power amplifier transmitting circuit, wherein the input end of the instruction filtering adjusting circuit is connected with the instruction output end of the computer control server, the output end of the instruction filtering adjusting circuit is connected with the input end of the power amplifier transmitting circuit, the output end of the power amplifier transmitting circuit is connected with a wireless signal transmitter, and the wireless signal transmitter and a wireless signal receiver arranged on industrial production equipment form remote communication.
2. A computer electronic communication system according to claim 1, wherein: the instruction filtering and adjusting circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, an operational amplifier AR1, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a resistor R5; one end of the capacitor C1 is connected to the instruction output end of the computer control server, the other end of the capacitor C1 is connected to one end of the resistor R2 and is grounded through the parallel resistor R1 and the capacitor C2, the other end of the resistor R2 is connected to one ends of the resistor R3 and the capacitor C3, the other end of the resistor R3 is connected to the non-inverting input end of the operational amplifier AR1 and is grounded through the capacitor C4, the other end of the capacitor C3 is connected to one end of the resistor R5 and the output end of the operational amplifier AR1, and the other end of the resistor R5 is connected to the inverting input end of the operational amplifier AR1 and is grounded through the resistor R4.
3. A computer electronic communication system according to claim 2, wherein: the power amplifier transmitting circuit comprises an operational amplifier AR2, a triode VT1, a triode VT2, a capacitor C5, a capacitor C6, a voltage regulator tube DZ1, a resistor R7, a resistor R8 and an inductor L1; the inverting input end of the operational amplifier AR2 is connected with the output end of the operational amplifier AR1, the non-inverting input end of the operational amplifier AR2 is grounded through a resistor R6, the output end of the operational amplifier AR2 is connected with the bases of a triode VT1 and a triode VT2 respectively, the collector of the triode VT1 is connected with a +5V power supply, the collector of the triode VT2 is grounded, the emitters of the triode VT1 and the triode VT2 are both connected with one end of a resistor R7 and one end of a resistor R8, the other end of the resistor R7 is grounded through a voltage stabilizing tube DZ1 and a capacitor C5 which are connected in parallel, the other end of the resistor R8 is connected with one end of an inductor L1 through a capacitor C6, and the other.
4. A computer electronic communication system according to claim 3, wherein: the triode VT1 is an NPN triode; the transistor VT2 is a PNP transistor.
5. A computer electronic communication system according to claim 4, wherein: the cathode of the voltage regulator tube DZ1 is connected with a resistor R7, and the anode of the voltage regulator tube DZ1 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249206.9U CN211554696U (en) | 2020-03-04 | 2020-03-04 | Computer electronic communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249206.9U CN211554696U (en) | 2020-03-04 | 2020-03-04 | Computer electronic communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211554696U true CN211554696U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020249206.9U Expired - Fee Related CN211554696U (en) | 2020-03-04 | 2020-03-04 | Computer electronic communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211554696U (en) |
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2020
- 2020-03-04 CN CN202020249206.9U patent/CN211554696U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |