CN214337927U - Gateway signal transmission device and communication equipment - Google Patents
Gateway signal transmission device and communication equipment Download PDFInfo
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- CN214337927U CN214337927U CN202120345135.7U CN202120345135U CN214337927U CN 214337927 U CN214337927 U CN 214337927U CN 202120345135 U CN202120345135 U CN 202120345135U CN 214337927 U CN214337927 U CN 214337927U
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Abstract
The embodiment of the application provides a gateway signal transmission device and communication equipment, and the gateway signal transmission device includes: 485 converting circuit, interface circuit, controller; the 485 conversion circuit is connected with the interface circuit, and the interface circuit is connected with the controller. By implementing the above-mentioned mode, the multi-station communication capability of the gateway can be improved.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a gateway signal transmission apparatus and a communication device.
Background
The gateway realizes network interconnection above a network layer, is a complex network interconnection device and is only used for interconnection of two networks with different high-level protocols. The gateway can be used for interconnection of both wide area networks and local area networks. A gateway is a computer system or device that acts as a switch-operative. The gateway is a translator used between two systems that differ in communication protocol, data format or language, or even in an entirely different architecture. Instead of the bridge simply communicating the information, the gateway repackages the received information to accommodate the needs of the destination system.
With the economic development and the development of network communication algorithms, the transmission speed of information is greatly improved, which puts new requirements on the carrying capacity of the gateway. Currently, most gateways are equipped with 232 interfaces, and the 232 interfaces only allow one transceiver to be connected on the bus, namely single-station capability. Meanwhile, the level value of the 232 serial port signal is high, the chip of the interface circuit is easy to damage, the transmission rate of equipment using the 232 interface circuit is low, and the baud rate is 20kps during asynchronous transmission.
The 485 interface allows up to 128 transceivers to be connected on the bus, and has the advantages of multi-station capability, low interface level value, difficult circuit damage and high transmission rate. Allowing the user to quickly and easily set up a network of devices. The current network equipment is only provided with 232 interfaces, so that the multi-station capability and the data transmission capability of the gateway are greatly reduced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application aims to provide a gateway signal transmission device and equipment.
In a first aspect, an embodiment of the present application provides a gateway signal transmission apparatus, where the apparatus includes:
485 converting circuit, interface circuit, controller;
the 485 conversion circuit is connected with the interface circuit, and the interface circuit is connected with the controller;
the 485 conversion circuit comprises a level conversion circuit, a communication circuit and an anti-interference circuit, wherein the level conversion circuit is respectively connected with the communication circuit and the interface circuit, and the anti-interference circuit is respectively connected with an external device and the communication circuit.
In the implementation process, the interface circuit serves as an external device and the communication transmission function of the gateway signal transmission device, the 485 communication device is transmitted into the 485 communication module circuit through the interface circuit, the 485 communication module circuit converts the level of the external device adopting a 485 protocol interface into a 232 interface level, and then the 485 communication module transmits data to other devices through the interface circuit. The controller is connected with the interface circuit and used for monitoring the working states of the interface circuit and the 485 conversion circuit. Based on the above embodiment, the transmission of 485 communication device signals can be realized.
The 485 conversion circuit is composed of a level conversion circuit and a communication circuit, the communication circuit is connected with external equipment through the interface circuit, signals of the external equipment are transmitted to the level conversion circuit, the level conversion circuit converts the level of the signals and sends the converted signals to the interface circuit, and the interface circuit further transmits the signals to other equipment. Based on the above embodiment, the gateway 232 serial port can be converted into a 485 communication interface, and can be connected with all 485 communication devices in an identification manner. The interference preventing circuit is connected between the external equipment and the communication circuit to prevent the problems of electrostatic interference and the like. In the process of equipment, due to the existence of electromagnetic interference and other problems, the equipment may work abnormally, and based on the above embodiment, the working performance of the gateway transmission device can be effectively improved.
Further, the gateway signal transmission device further comprises an LED circuit, and the LED circuit is connected with the controller.
In the implementation process, the controller is connected with the LED circuit, and the LED circuit has a light emitting diode, and the light emitting diode emits different lights to indicate different working states of the gateway signal transmission device.
Further, the level shift circuit includes a MAX232 chip.
In the implementation process, the MAX232 is a single power level signal conversion chip, and the power consumption is low. Based on the embodiment, the power consumption of the gateway signal transmission device can be effectively reduced.
Further, the communication circuit comprises an SP485 chip.
In the implementation process, the SP485 chip executes the signal receiving and transmitting work of the external equipment. Based on the work, the receiving and sending capacity of the gateway signal transmission device can be effectively improved.
Furthermore, the gateway signal transmission device further comprises a reset circuit, and the reset circuit is connected with the controller.
In the implementation process, the controller is connected with a reset circuit, and the reset circuit enables the controller to start working from an initial state at the moment of obtaining power supply. Based on the above embodiment, the stability of the gateway signal transmission device can be effectively improved.
Furthermore, the gateway signal transmission device further comprises a reset signal transmission circuit, the input end of the reset signal transmission circuit is connected with the controller, and the output end of the reset signal transmission circuit is connected with the reset circuit.
In the implementation process, the reset signal transmission circuit transmits the control reset signal to the controller. Based on the above embodiment, the working stability of the gateway signal transmission device can be effectively improved.
Further, the controller includes an STC15W201S chip.
In the implementation process, the advantages of the chip can be converted into the advantages of the circuit, and the working capacity of the chip is improved.
In a second aspect, the present application provides a communication device, in which the gateway signal transmission apparatus of the first aspect is installed.
In the implementation process, the communication equipment is provided with the gateway signal transmission device of the first aspect, so that the multi-station capability is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a gateway signal transmission apparatus according to an embodiment of the present application;
fig. 2 is another schematic diagram of a gateway signal transmission apparatus according to an embodiment of the present application;
fig. 3 is a schematic diagram of a 485 conversion circuit provided in an embodiment of the present application;
FIG. 4 is a schematic diagram of an LED circuit provided in an embodiment of the present application;
FIG. 5 is a schematic interface diagram provided in an embodiment of the present application;
FIG. 6 is a schematic diagram of a reset circuit provided in an embodiment of the present application;
fig. 7 is a schematic diagram of a reset signal transmission circuit according to an embodiment of the present application;
fig. 8 is a schematic diagram of a circuit of a controller according to an embodiment of the present disclosure.
1-a controller; 2-485 converting circuit; 3-an interface circuit; 4-a reset circuit; 5-a reset signal transmission circuit; 6-LED circuit; 21-a level shift circuit; 22-a communication circuit; 23-anti-interference circuit.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
At present, most gateways are only provided with 232 interfaces, and the 232 interfaces only allow one transceiver to be connected on a bus, namely the gateway only has single-station capability. Meanwhile, the level value of the 232 serial port signal is high, the chip of the interface circuit is easy to damage, the transmission rate of equipment using the 232 interface circuit is low, and the baud rate is 20kps during asynchronous transmission. The current network equipment is only provided with 232 interfaces, so that the multi-station capability and the data transmission capability of the gateway are greatly reduced.
In order to solve the above problems, the present application provides a gateway signal transmission apparatus and device.
Example 1
Referring to fig. 1, the present application provides a gateway signal transmission apparatus, including:
485 converting circuit 2, interface circuit 3, controller 1;
the 485 conversion circuit 2 is connected with the interface circuit 3, and the interface circuit 3 is connected with the controller 1.
In the above embodiment, the interface circuit 3 serves as an external device and a communication transmission function of the gateway signal transmission device, the 485 communication device is transmitted into the 485 communication module circuit through the interface circuit 3, the 485 communication module circuit converts the level of the external device adopting a 485 protocol interface into a 232 interface level, and then the 485 communication module transmits the data to other devices through the interface circuit 3. The controller 1 is connected with the interface circuit 3 and monitors the working states of the interface circuit 3 and the 485 conversion circuit 2. Based on the above embodiment, the transmission of 485 communication device signals can be realized.
Referring to fig. 2, in one possible implementation, the 485 conversion circuit 2 includes a level conversion circuit 21 and a communication circuit 22, and the level conversion circuit 21 and the communication circuit 22 are connected to each other.
In the above embodiment, the 485 conversion circuit 2 is composed of a level conversion circuit 21 and a communication circuit 22, the communication circuit 22 is connected to an external device through the interface circuit 3, and transmits a signal of the external device to the level conversion circuit 21, the level conversion circuit 21 converts the level of the signal and transmits the converted signal to the interface circuit 3, and the interface circuit 3 further transmits the signal to other devices. Based on the above embodiment, the gateway 232 serial port can be converted into a 485 communication interface, and can be connected with all 485 communication devices in an identification manner.
In a possible implementation, the 485 communication circuit further includes an anti-interference circuit 23, and the anti-interference circuit 23 is connected to an external device and the communication circuit 22 respectively.
In the above embodiment, the interference preventing circuit 23 is connected between the external device and the communication circuit 22 to prevent problems such as electrostatic interference. In the process of equipment, due to the existence of electromagnetic interference and other problems, the equipment may work abnormally, and based on the above embodiment, the working performance of the gateway transmission device can be effectively improved.
Referring to fig. 3, a schematic diagram of a 485 conversion circuit 2 according to an embodiment of the present disclosure is provided.
In a possible embodiment, the gateway signal transmission device further comprises an LED circuit 6, and the LED circuit 6 is connected with the controller 1.
In the above embodiment, the controller 1 is connected to the LED circuit 6, and the LED circuit 6 has a light emitting diode, and the light emitting diode emits different lights to indicate different working states of the gateway signal transmission device.
Exemplarily, referring to fig. 4, a schematic diagram of an LED circuit 6 provided in an embodiment of the present application is shown.
In one possible implementation, the level shift circuit includes a MAX232 chip.
In the above embodiment, the MAX232 is a single power level signal conversion chip, and the power consumption is low. Based on the embodiment, the power consumption of the gateway signal transmission device can be effectively reduced.
In one possible implementation, the communication circuit includes an SP485 chip.
In the above embodiment, the SP485 chip executes the signal transceiving operation for the external device. Based on the work, the receiving and sending capacity of the gateway signal transmission device can be effectively improved.
Referring to fig. 5, a schematic interface diagram provided in the embodiment of the present application is shown. The interface in the interface circuit is respectively connected with the controller 1, the 485 conversion circuit 2 and the reset signal transmission circuit 5, and has the function of charging signal transmission.
In a possible embodiment, the gateway signaling device further includes a reset circuit 4, and the reset circuit 4 is connected to the controller 1.
In the above embodiment, the controller 1 is connected to the reset circuit 4, and the reset circuit 4 enables the controller 1 to start operating from an initial state at the moment when power is supplied. Based on the above embodiment, the stability of the gateway signal transmission device can be effectively improved.
In a possible implementation manner, the gateway signal transmission device further includes a reset signal transmission circuit, an input end of the reset signal transmission circuit 5 is connected to the controller 1, and an output end of the reset signal transmission circuit 5 is connected to the reset circuit 4.
In the above embodiment, the reset signal transmission circuit 5 transmits the control reset signal to the controller 1. Based on the above embodiment, the working stability of the gateway signal transmission device can be effectively improved.
In a possible embodiment, the controller 1 comprises an STC15W201S chip.
Referring to fig. 6, 7, 8, and 6 are schematic diagrams of the reset circuit 4 according to the embodiment of the present disclosure, fig. 7 is a schematic diagram of a reset signal transmission circuit according to the embodiment of the present disclosure, and fig. 8 is a circuit schematic diagram of the controller 1 according to the embodiment of the present disclosure.
In the embodiment, the advantages of the chip can be converted into the advantages of the circuit, and the working capacity of the chip is improved.
In a second aspect, the present application provides a communication device, in which the gateway signal transmission apparatus of the first aspect is installed.
In the above embodiment, the communication device is provided with the gateway signal transmission apparatus of the first aspect, so that the multi-station capability is greatly improved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (8)
1. An apparatus for gateway signaling, the apparatus comprising:
485 converting circuit, interface circuit, controller;
the 485 conversion circuit is connected with the interface circuit, and the interface circuit is connected with the controller;
the 485 conversion circuit comprises a level conversion circuit, a communication circuit and an anti-interference circuit, wherein the level conversion circuit is respectively connected with the communication circuit and the interface circuit, and the anti-interference circuit is respectively connected with an external device and the communication circuit.
2. The gateway signal transmitting device of claim 1, further comprising an LED circuit, wherein the LED circuit is connected to the controller.
3. The gateway signaling apparatus of claim 2, wherein the level shift circuit comprises a MAX232 chip.
4. The gateway signaling apparatus of claim 1 wherein said communication circuit comprises an SP485 chip.
5. The gateway signal transmitting device of claim 1, further comprising a reset circuit, wherein the reset circuit is connected to the controller.
6. The gateway signal transmission apparatus according to claim 5, further comprising a reset signal transmission circuit, wherein an input terminal of the reset signal transmission circuit is connected to the controller, and an output terminal of the reset signal transmission circuit is connected to the reset circuit.
7. The gateway signaling apparatus of claim 4 wherein the controller comprises an STC15W201S chip.
8. A communication device, characterized in that a gateway signal transmission means according to any of claims 1-7 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120345135.7U CN214337927U (en) | 2021-02-05 | 2021-02-05 | Gateway signal transmission device and communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120345135.7U CN214337927U (en) | 2021-02-05 | 2021-02-05 | Gateway signal transmission device and communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214337927U true CN214337927U (en) | 2021-10-01 |
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| CN202120345135.7U Active CN214337927U (en) | 2021-02-05 | 2021-02-05 | Gateway signal transmission device and communication equipment |
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| CN (1) | CN214337927U (en) |
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- 2021-02-05 CN CN202120345135.7U patent/CN214337927U/en active Active
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