CN211959264U - Intelligent terminal table capable of remotely monitoring field - Google Patents
Intelligent terminal table capable of remotely monitoring field Download PDFInfo
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- CN211959264U CN211959264U CN202021096677.7U CN202021096677U CN211959264U CN 211959264 U CN211959264 U CN 211959264U CN 202021096677 U CN202021096677 U CN 202021096677U CN 211959264 U CN211959264 U CN 211959264U
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Abstract
The utility model relates to an intelligent terminal table capable of remotely monitoring the field, which comprises a processor, a communication unit, a signal input terminal connected with an external feedback unit, a bidirectional optical coupling input module and a power input terminal, wherein the communication unit, the feedback unit and the power input terminal are respectively connected with the processor; the power supply input terminal is used for supplying power to the processor and the communication unit after being connected with an external power supply; a communication unit for transmitting a signal to the main server; the processor is used for outputting a control signal according to the signal of the feedback unit; and the signal input terminal is used for receiving the working state of the connected equipment detected by the feedback unit to form a feedback signal, and the feedback signal is input to the processor and then fed back to the main server by the communication unit. Its advantages are long transmission distance, high transmission efficiency and simple wiring.
Description
Technical Field
The utility model relates to a terminal platform, more specifically say and indicate but intelligent terminal platform on remote monitoring scene.
Background
The terminal block plays an important role in an automatic control system, the terminal block comprises a processor and a monitoring device input terminal, the monitoring device input terminal is connected with external monitors such as a sensor, the sensor transmits external signals to the monitoring device input terminal after monitoring the external signals, the monitoring device input terminal transmits the external signals to a monitoring end after being processed by the processor, and the monitoring end and the processor are transmitted through a wire, so that the transmission distance is limited, and the transmission efficiency is low.
Meanwhile, a large number of bidirectional optical coupling input modules are often needed during switching value output control equipment, generally, one bidirectional optical coupling input module needs two inputs and two output lines to form a circuit loop, and two terminals are needed on a terminal table to serve as a wiring end and a wire outlet end, so that wiring complexity and poor stability can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, but provide on-the-spot intelligent terminal platform of remote monitoring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent terminal table capable of remotely monitoring a site comprises a processor, a communication unit, a signal input terminal connected with an external feedback unit, a bidirectional optical coupling input module and a power input terminal, wherein the communication unit, the feedback unit and the power input terminal are respectively connected with the processor; the power input terminal is used for supplying power to the processor and the communication unit after being connected with an external power supply; the communication unit is used for sending a signal to the general server; the processor is used for outputting a control signal according to the signal of the feedback unit; the signal input terminal is used for receiving a feedback signal formed by the feedback unit detecting the working state of the connected equipment, and the feedback signal is input to the processor and then fed back to the main server by the communication unit; the signal input terminal is connected with the external feedback unit, the signal input terminal is provided with a public wiring terminal and a plurality of independent wiring terminals, the public wiring terminal is simultaneously connected with an input end of a plurality of bidirectional optical coupling input modules, each independent wiring terminal is connected with another input end of a corresponding bidirectional optical coupling input module, the power input terminal is simultaneously connected with an output end of the plurality of bidirectional optical coupling input modules, and another output end of each bidirectional optical coupling input module is connected with the processor.
The power isolation unit is connected between the power input terminal and the communication unit, a voltage reduction module is further arranged between the power isolation unit and the power input terminal, and the power isolation unit is respectively connected with the processor and the communication unit.
A resistor R1 and a signal indicator light D3 are preferably connected between the voltage reduction module and the processor.
One preferable scheme is that a current-limiting resistor R2 is connected between each single wiring terminal and the corresponding bidirectional optical coupling input module.
Preferably, a pull-up resistor R3 is further connected between each single connection terminal and the corresponding bidirectional optical coupling input module.
One preferred scheme is that the bidirectional optocoupler input module comprises a triode, a light emitting diode and a diode, wherein a collector of the triode is connected with the processor, an emitter of the triode is connected with a 0V power line, the light emitting diode is connected with the diode in a reverse direction, an anode of the light emitting diode and a cathode of the diode are respectively connected with a current limiting resistor R2, and a cathode of the light emitting diode and an anode of the diode are respectively connected with a pull-up resistor R3.
Preferably, an anti-reverse diode D1 is further connected between the voltage reduction module and the power input terminal.
One preferred solution is that the communication unit comprises a half-duplex RS485 chip.
Compared with the prior art, the utility model beneficial effect be: the processor is connected with the main server through the communication unit, wiring is not needed between the processor and the main server, the transmission distance between the communication unit and the main server is long, and remote monitoring is realized; the input ends of the bidirectional optical coupling input modules are provided with a common wiring end, so that wiring lines are reduced, the space is small, and wiring is simple.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic block diagram of an intelligent terminal block capable of remotely monitoring a field according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an intelligent terminal block capable of remotely monitoring a field according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a specific circuit of the bidirectional optical coupling input module of the present invention;
fig. 4 is a first schematic diagram illustrating distributed control of an intelligent terminal block capable of remotely monitoring a field according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating distributed control of an intelligent terminal block capable of remotely monitoring a site according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of an intelligent terminal table capable of remotely monitoring a site according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Referring to fig. 1 to 6, an intelligent terminal block capable of remotely monitoring a site includes a processor 10, a communication unit 20, a signal input terminal 73 connected to an external feedback unit 40, a bidirectional optical coupling input module 72, and a power input terminal 50, where the communication unit 20, the feedback unit 40, and the power input terminal 50 are respectively connected to the processor 10; the power input terminal 50 is used for supplying power to the processor 10 and the communication unit 20 after being connected with an external power supply; the communication unit 20 is configured to send a signal to the general server; the processor 10 is configured to output a control signal according to a signal of the feedback unit 40; the signal input terminal 73 is used for receiving the working state of the connected equipment detected by the feedback unit 40 to form a feedback signal, and the feedback signal is input to the processor 10 and then fed back to the general server by the communication unit 20; the signal input terminal 73 is connected with the feedback unit 40, the signal input terminal 73 is provided with a public wiring terminal and a plurality of independent wiring terminals, the public wiring terminal is simultaneously connected with an input end of a plurality of bidirectional optical coupling input modules 72, each independent wiring terminal is connected with another input end of a corresponding bidirectional optical coupling input module 72, the power input terminal 50 is simultaneously connected with an output end of the plurality of bidirectional optical coupling input modules 72, and another output end of each bidirectional optical coupling input module 72 is connected with the processor 10.
Referring to fig. 1 to 6, the communication unit 20 is in communication connection with the main server, the processor 10 transmits signals to the main server through the communication unit 20, the processor 10 and the main server do not need to be connected with each other, the transmission distance is long, and the transmission is stable. The signal input ends of the plurality of bidirectional optical coupling input modules 72 are provided with a common wiring end, and the output ends of the plurality of bidirectional optical coupling input modules 72 are provided with a common wiring end, so that wiring lines are reduced, the space is small, and wiring is simple.
Referring to fig. 1 to 6, a power isolation unit 60 is further connected between the power input terminal 50 and the communication unit 20, a voltage reduction module 70 is further disposed between the power isolation unit 60 and the power input terminal 50, and the power isolation unit 60 is respectively connected to the processor 10 and the communication unit 20. The current output by the power input terminal 50 passes through the voltage reduction module 70 and the power isolation unit 60 and then supplies power to the communication unit 20, is completely isolated from the power input terminal 50, and is also provided with a TVS diode in the power isolation unit 50, so that the TVS protection effect is achieved, and the lightning protection and anti-interference effects are achieved.
In one embodiment, referring to fig. 2, the voltage dropping module 70 includes a voltage regulator, which is, but not limited to, LM 2596.
Referring to fig. 1 to 6, a resistor R1 and a signal indicator D3 are connected between the voltage-reducing module 70 and the processor 10. The signal indicator lamp D3 is arranged to ensure that the sensor is error-free and avoid the error of the signal fed back by the sensor, thereby improving the accuracy of detecting the source of the problem.
Referring to fig. 1 to 6, a current limiting resistor R2 is connected between the single connection terminal and the corresponding bidirectional optical coupler input module 72.
Referring to fig. 1 to 6, a pull-up resistor R3 is connected between the single connection terminal and the corresponding bidirectional optical coupler input module 72.
Referring to fig. 1 to 6, the bidirectional optocoupler input module 72 includes a transistor 721, a light emitting diode 722 and a diode 723, wherein a collector of the transistor 721 is connected to the processor 10, an emitter of the transistor 721 is connected to a 0V power line, the light emitting diode 722 is connected to the diode 723 in a reverse direction, a positive electrode of the light emitting diode 722 and a negative electrode of the diode 723 are respectively connected to a current limiting resistor R2, and a negative electrode of the light emitting diode 722 and a positive electrode of the diode 723 are respectively connected to a pull-up resistor R3.
Referring to fig. 1 to 6, the signal input terminals of the bidirectional optical coupling input modules 72 have a common terminal, so that the number of wiring lines is reduced, the space is small, and the wiring is simple.
Referring to fig. 1 to 6, an anti-reverse diode D1 is further connected between the voltage dropping module 70 and the power input terminal 50. The arrangement of the reverse connection prevention diode D1 can play a role in reverse protection and prevent wrong wiring.
Referring to fig. 2, the power input terminal 50 has two terminals, one of which is an IN24V terminal, and the other is an IN0V terminal, and is used for connecting with a positive electrode and a negative electrode of an external power supply respectively, the two terminals are two-color terminals for easy distinction, and the two terminals are connected IN parallel, so that the power input terminal 50 can provide power for a next module after passing through the power port, IN this embodiment, the power input terminal 50 can also provide power for the communication unit 20 through the power port.
Referring to fig. 4 and 5, the SHT series products in the figures refer to the entire control device, and the communication unit 20 includes a half-duplex RS485 chip. In addition, the half-duplex RS485 chip adopts a Modbus-RTU Slave mode, the baud rate, the Slave station address, the 8-bit data bit and the 1-bit stop bit can be set through a dial switch, and a check mode is not available.
In the present embodiment, the feedback unit 40 includes several sensors.
In this embodiment, referring to fig. 2, there are two common connection terminals, one is a port CM1, and the other is a port CM 0. The individual terminals are ports X14-X17, and ports X00-X13. The interfaces of the ports CM1 and X14-X17 are completely the same as the interfaces of the ports CM0 and X00-X13, and the whole device adopts the signal access of compatible PNP and NPN of bidirectional optical coupling input. The input ends of the bidirectional optical coupling input modules are provided with a common wiring end, so that wiring lines are reduced, the space is small, and wiring is simple.
Claims (8)
1. An intelligent terminal table capable of remotely monitoring a site is characterized by comprising a processor, a communication unit, a signal input terminal connected with an external feedback unit, a bidirectional optical coupling input module and a power input terminal, wherein the communication unit, the feedback unit and the power input terminal are respectively connected with the processor; the power input terminal is used for supplying power to the processor and the communication unit after being connected with an external power supply; the communication unit is used for sending a signal to the general server; the processor is used for outputting a control signal according to the signal of the feedback unit; the signal input terminal is used for receiving a feedback signal formed by the feedback unit detecting the working state of the connected equipment, and the feedback signal is input to the processor and then fed back to the main server by the communication unit; the signal input terminal is connected with the external feedback unit, the signal input terminal is provided with a public wiring terminal and a plurality of independent wiring terminals, the public wiring terminal is simultaneously connected with an input end of a plurality of bidirectional optical coupling input modules, each independent wiring terminal is connected with another input end of a corresponding bidirectional optical coupling input module, the power input terminal is simultaneously connected with an output end of the plurality of bidirectional optical coupling input modules, and another output end of each bidirectional optical coupling input module is connected with the processor.
2. The intelligent terminal table capable of remotely monitoring a site according to claim 1, wherein a power isolation unit is further connected between the power input terminal and the communication unit, a voltage reduction module is further arranged between the power isolation unit and the power input terminal, and the power isolation unit is respectively connected with the processor and the communication unit.
3. The intelligent terminal block capable of being remotely monitored on site as claimed in claim 2, wherein a resistor R1 and a signal indicator lamp D3 are connected between the voltage reduction module and the processor.
4. An intelligent terminal block capable of remotely monitoring a site as claimed in claim 1, wherein a current limiting resistor R2 is connected between the single terminal block and the corresponding bidirectional optical coupling input module.
5. An intelligent terminal block capable of remotely monitoring a field according to claim 4, wherein a pull-up resistor R3 is further connected between each single terminal and the corresponding bidirectional optical coupling input module.
6. An intelligent terminal table capable of remotely monitoring a site as claimed in claim 5, wherein the bidirectional optical coupling input module comprises a triode, a light emitting diode and a diode, wherein a collector of the triode is connected with the processor, an emitter of the triode is connected with a 0V power line, the light emitting diode is reversely connected with the diode, an anode of the light emitting diode and a cathode of the diode are respectively connected with a current limiting resistor R2, and a cathode of the light emitting diode and an anode of the diode are respectively connected with a pull-up resistor R3.
7. An intelligent terminal block capable of remotely monitoring a site as claimed in claim 2, wherein an anti-reverse diode D1 is further connected between the voltage reduction module and the power input terminal.
8. A smart terminal block as claimed in claim 1, wherein the communications unit comprises a half-duplex RS485 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021096677.7U CN211959264U (en) | 2020-06-14 | 2020-06-14 | Intelligent terminal table capable of remotely monitoring field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021096677.7U CN211959264U (en) | 2020-06-14 | 2020-06-14 | Intelligent terminal table capable of remotely monitoring field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959264U true CN211959264U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021096677.7U Active CN211959264U (en) | 2020-06-14 | 2020-06-14 | Intelligent terminal table capable of remotely monitoring field |
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| CN (1) | CN211959264U (en) |
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