阅读说明：本技术 一种通信并联测试技术 (Communication parallel test technology ) 是由 刘贤文 于 2020-07-31 设计创作，主要内容包括：本发明公开了一种通信并联测试技术,涉及通信技术领域,包括通信主机、信号监测模块和反馈模块,所述通信主机通过导线电性连接有信号转换器,且信号转换器通过导线电性连接有通信从机,所述通信主机电性连接有主控制模块,且主控制模块的输出端电性连接有信号传输模块,所述信号传输模块的输出端电性连接有信号转换模块,且信号转换模块的输出端电性连接有信号接收模块。本发明的有益效果是：该发明通信从机通过RS485接口与信号转换器之间相连接,RS485接口中总线上可以允许连接多个通信从机,因此具有多站通信的能力,适用于通信并联连接,信号转换器为RS485-RS232转换器能够将通信从机与通信主机之间电性连接起来并实现信号转换。(The invention discloses a communication parallel test technology, which relates to the technical field of communication and comprises a communication host, a signal monitoring module and a feedback module, wherein the communication host is electrically connected with a signal converter through a wire, the signal converter is electrically connected with a communication slave machine through a wire, the communication host is electrically connected with a main control module, the output end of the main control module is electrically connected with a signal transmission module, the output end of the signal transmission module is electrically connected with a signal conversion module, and the output end of the signal conversion module is electrically connected with a signal receiving module. The invention has the beneficial effects that: the communication slave is connected with the signal converter through the RS485 interface, a plurality of communication slaves can be allowed to be connected on a bus in the RS485 interface, so that the communication slave has the capability of multi-station communication and is suitable for communication parallel connection, and the signal converter is an RS485-RS232 converter and can electrically connect the communication slaves with the communication host and realize signal conversion.)

1. A communication parallel test technology comprises a communication host (1), a signal monitoring module (9) and a feedback module (11), and is characterized in that: the communication host (1) is electrically connected with a signal converter (2) through a wire, the signal converter (2) is electrically connected with a communication slave (3) through a wire, the communication host (1) is electrically connected with a main control module (4), the output end of the main control module (4) is electrically connected with a signal transmission module (5), the output end of the signal transmission module (5) is electrically connected with a signal conversion module (6), the output end of the signal conversion module (6) is electrically connected with a signal receiving module (7), the output end of the signal receiving module (7) is electrically connected with a signal identification module (8), the signal monitoring module (9) is electrically connected with the output end of the signal identification module (8), the output end of the signal monitoring module (9) is electrically connected with a fault alarm module (10), and the feedback module (11) is electrically connected with the output end of the signal monitoring module (9), and the feedback module (11) is electrically connected with the communication host (1).

2. The parallel communication test technique of claim 1, wherein: the communication slave machine (3) is connected with the signal converter (2) through an RS485 interface, and the signal converter (2) is an RS485-RS232 converter.

3. The parallel communication test technique of claim 1, wherein: the communication slave machine (3) is provided with three or more than three, and the communication slave machine (3) at least comprises an input interface and an output interface.

4. The parallel communication test technique of claim 1, wherein: the signal transmission module (5), the signal conversion module (6), the signal receiving module (7) and the signal identification module (8) are electrically connected in series.

5. The parallel communication test technique of claim 1, wherein: the signal monitoring module (9) comprises a data signal connection state monitoring unit (901) and an electric power signal load condition monitoring unit (902), and the data signal connection state monitoring unit (901) and the electric power signal load condition monitoring unit (902) are electrically connected with the communication slave computer (3).

6. The parallel communication test technique of claim 5, wherein: the data signal connection state monitoring unit (901) and the power signal load condition monitoring unit (902) are electrically connected in series.

7. The parallel communication test technique of claim 1, wherein: the signal monitoring module (9) is electrically connected with the communication host (1) through the feedback module (11), and the communication host (1) is electrically connected with the communication slave (3) in a bidirectional mode.

8. A communication parallel test technique according to claims 1-7, characterized in that: the communication parallel test technology comprises the following specific steps:

A. and (3) testing for one time: the communication slave machines (3) are connected in series, a communication test is executed, and whether a communication fault exists in the communication slave machines (3) is judged;

B. and (3) secondary testing: electrically connecting the communication host (1) with a group of communication slave machines (3), executing a communication test, judging whether the communication slave machines (3) establish communication, detecting the communication state, then sequentially replacing different communication slave machines (3) and repeating the steps to screen out the communication slave machines (3) with communication faults;

C. three tests: the communication master machine (1) is electrically connected with a plurality of groups of communication slave machines (3) through the signal converter (2) to realize parallel networking communication, then a communication test is executed, a communication operation is simulated, whether communication is established or not is detected, and meanwhile, the power load condition of each communication slave machine (3) is detected.

Technical Field

The invention relates to the technical field of communication, in particular to a communication parallel test technology.

Background

Communication has different explanations under different environments, and communication is explained as information transmission by one after electric wave transmission communication occurs, which means that information is transmitted and exchanged from one place to another place, and the purpose of the information transmission is to transmit messages. With the increasing integration of industrialization and informatization, and the increasing public security investment of governments, the scale of the private network communication market is expanding in recent years. In data transmission, parallel communication is a method of simultaneously transmitting a plurality of binary digits. It is in contrast to serial communication, which transfers only one bit at a time. In the communication process, especially in the communication parallel connection, the passing connection condition needs to be tested to ensure that the passing is normal.

The existing communication parallel test technology cannot accurately identify a communication slave with a communication fault in a test process, cannot convert signals in a connection process of the communication slave and a communication host, is inconvenient for signal identification in the communication parallel process, and cannot simultaneously monitor a data signal connection state and a power signal load condition.

Disclosure of Invention

The invention aims to provide a communication parallel test technology, which solves the problems that the existing communication parallel test technology proposed in the background technology cannot accurately identify a communication slave with a communication fault in the test process, cannot convert signals in the process of connecting the communication slave and a communication host, is inconvenient for signal identification in the communication parallel process, and cannot simultaneously monitor the data signal connection state and the power signal load condition.

In order to achieve the purpose, the invention provides the following technical scheme: a communication parallel test technology comprises a communication host, a signal monitoring module and a feedback module, wherein the communication host is electrically connected with a signal converter through a lead, the signal converter is electrically connected with a communication slave machine through a wire, the communication host machine is electrically connected with a main control module, the output end of the main control module is electrically connected with a signal transmission module, the output end of the signal transmission module is electrically connected with a signal conversion module, the output end of the signal conversion module is electrically connected with a signal receiving module, the output end of the signal receiving module is electrically connected with a signal identification module, the signal monitoring module is electrically connected with the output end of the signal identification module, and the output end of the signal monitoring module is electrically connected with the fault alarm module, the feedback module is electrically connected with the output end of the signal monitoring module, and the feedback module is electrically connected with the communication host.

Preferably, the communication slave is connected with the signal converter through an RS485 interface, and the signal converter is an RS485-RS232 converter.

Preferably, the communication slave machines are provided with three or more communication slave machines, and each communication slave machine at least comprises an input interface and an output interface.

Preferably, the signal transmission module, the signal conversion module, the signal receiving module and the signal identification module are electrically connected in series.

Preferably, the signal monitoring module comprises a data signal connection state monitoring unit and an electric power signal load condition monitoring unit, and the data signal connection state monitoring unit and the electric power signal load condition monitoring unit are both electrically connected with the communication slave.

Preferably, the data signal connection state monitoring unit and the power signal load condition monitoring unit are electrically connected in series.

Preferably, the signal monitoring module is electrically connected with the communication host through the feedback module, and the communication host is electrically connected with the communication slave in a bidirectional manner.

Preferably, the communication parallel test technology comprises the following specific steps:

A. and (3) testing for one time: connecting the communication slave machines in series, executing a communication test, and judging whether a communication fault exists in the communication slave machines;

B. and (3) secondary testing: electrically connecting the communication host machine with a group of communication slave machines, executing a communication test, judging whether the communication slave machines establish communication, detecting the communication state, sequentially replacing different communication slave machines, repeating the steps, and screening out the communication slave machines with communication faults;

C. three tests: the communication host is electrically connected with a plurality of groups of communication slave machines through signal converters to realize parallel networking communication, then a communication test is executed, a communication operation is simulated, whether communication is established or not is detected, and meanwhile, the power load condition of each communication slave machine is detected.

The invention provides a communication parallel test technology, which has the following beneficial effects:

1. the communication slave machine is connected with the signal converter through the RS485 interface, a plurality of communication slave machines can be allowed to be connected on a bus in the RS485 interface, so that the communication slave machine has the capacity of multi-station communication and is suitable for communication parallel connection, the signal converter is an RS485-RS232 converter and can electrically connect the communication slave machine with the communication host machine and realize signal conversion, the communication slave machine at least comprises an input interface and an output interface, and the electrical series connection between a plurality of groups of communication slave machines is facilitated, so that whether the communication slave machine with a communication fault exists or not can be judged through the electrical series connection between the communication slave machines.

2. The signal transmission module can transmit a control signal sent by the main control module of the communication host to the next module, the signal converter can convert the signal output by the communication host into a standard signal which can be identified by the communication slave through the signal conversion module, and the communication slave can receive the signal output by the last module through the signal receiving module and can identify and process the received signal through the signal identification module.

3. The communication slave machine can be monitored through the signal monitoring module, the data signal connection state monitoring unit can monitor the data signal connection state of the communication slave machine, the power signal load condition monitoring unit can monitor the power signal load condition of the communication slave machine, the signal monitoring module can feed the monitored actual condition of the communication slave machine back to the communication host machine in time through the feedback module so as to facilitate the communication host machine to know and control each communication slave machine, and the communication host machine and the communication slave machine are in bidirectional electrical connection, so that a closed-loop mode of signal transmission and signal feedback can be realized between the communication host machine and the communication slave machine, and the communication condition is more visual.

4. According to the invention, the communication slave machines are connected in series by one test, so that whether a communication fault exists in the communication slave machines can be judged, the communication host machine and the group of communication slave machines are electrically connected by a secondary test, meanwhile, the communication slave machines with the communication fault can be screened out by repeating the steps, finally, the communication operation can be simulated by three tests, whether communication is established can be detected, the power load condition of each communication slave machine can be detected, and the three steps are convenient for realizing the test of communication parallel connection.

Drawings

FIG. 1 is a schematic diagram of an overall connection architecture of a parallel communication test technique according to the present invention;

FIG. 2 is a schematic diagram of a communication connection flow of a communication parallel test technique according to the present invention;

fig. 3 is a schematic diagram of a signal monitoring module according to a communication parallel test technique of the present invention.

In the figure: 1. a communication host; 2. a signal converter; 3. a communication slave; 4. a main control module; 5. a signal transmission module; 6. a signal conversion module; 7. a signal receiving module; 8. a signal identification module; 9. a signal monitoring module; 901. a data signal connection state monitoring unit; 902. a power signal load condition monitoring unit; 10. a fault alert module; 11. and a feedback module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred invention or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a communication parallel test technology comprises a communication host 1, a signal converter 2, a communication slave 3, a master control module 4, a signal transmission module 5, a signal conversion module 6, a signal receiving module 7, a signal identification module 8, a signal monitoring module 9, a data signal connection state monitoring unit 901, an electric power signal load condition monitoring unit 902, a fault alarm module 10 and a feedback module 11, wherein the communication host 1 is electrically connected with the signal converter 2 through a lead, the signal converter 2 is electrically connected with the communication slave 3 through a lead, the communication slave 3 is connected with the signal converter 2 through an RS485 interface, the signal converter 2 is an RS485-RS232 converter, a plurality of communication slaves 3 can be allowed to be connected on a bus in the RS485 interface, so that the communication parallel test technology has the capability of multi-station communication and is suitable for communication parallel connection, the signal converter 2 is an RS485-RS232 converter and can electrically connect the communication slave 3 with the communication host 1, the communication slave 3 is provided with three or more communication slaves 3, the communication slaves 3 at least comprise one input interface and one output interface, the three or more communication slaves 3 can be connected with the communication host 1 and can form a parallel connection structure, the communication slaves 3 at least comprise one input interface and one output interface, so that the electrical series connection among a plurality of groups of communication slaves 3 is facilitated, and whether the communication slave 3 with a communication fault exists or not is judged through the electrical series connection among the communication slaves 3;

the communication host 1 is electrically connected with a main control module 4, the output end of the main control module 4 is electrically connected with a signal transmission module 5, the output end of the signal transmission module 5 is electrically connected with a signal conversion module 6, the output end of the signal conversion module 6 is electrically connected with a signal receiving module 7, the output end of the signal receiving module 7 is electrically connected with a signal identification module 8, the signal transmission module 5, the signal conversion module 6, the signal receiving module 7 and the signal identification module 8 are electrically connected in series, the signal transmission module 5 can transmit a control signal sent by the main control module 4 of the communication host 1 to a next module, the signal converter 2 can convert the signal output by the communication host 1 into a standard signal which can be identified by the communication slave 3 through the signal conversion module 6, and the communication slave 3 can receive the signal output by the previous module through the signal receiving module 7, the received signals can be identified and processed through the signal identification module 8, the signal monitoring module 9 is electrically connected to the output end of the signal identification module 8, and the output end of the signal monitoring module 9 is electrically connected with the fault alarm module 10;

the signal monitoring module 9 includes a data signal connection state monitoring unit 901 and an electric power signal load condition monitoring unit 902, the data signal connection state monitoring unit 901 and the electric power signal load condition monitoring unit 902 are both electrically connected to the communication slave 3, the data signal connection state monitoring unit 901 and the electric power signal load condition monitoring unit 902 are electrically connected in series, the data signal connection state monitoring unit 901 can monitor the data signal connection state of the communication slave 3, the electric power signal load condition monitoring unit 902 can monitor the electric power signal load condition of the communication slave 3, the signal monitoring module 9 forms an electrical connection with the communication host 1 through a feedback module 11, the communication host 1 and the communication slave 3 are electrically connected in a bidirectional manner, the signal monitoring module 9 can feed the monitored actual condition of the communication slave 3 back to the communication host 1 through the feedback module 11 in time, the communication master machine 1 and the communication slave machines 3 are electrically connected in a bidirectional mode, so that a closed-loop mode of signal transmission and signal feedback can be realized between the communication master machine 1 and the communication slave machines 3, the communication condition is more visual, the feedback module 11 is electrically connected to the output end of the signal monitoring module 9, and the feedback module 11 is electrically connected to the communication master machine 1.

The communication parallel test technology comprises the following specific steps:

A. and (3) testing for one time: connecting the communication slave machines 3 in series, executing a communication test, and judging whether a communication fault exists in the communication slave machine 3;

B. and (3) secondary testing: electrically connecting the communication host 1 with a group of communication slave machines 3, executing a communication test, judging whether the communication slave machines 3 establish communication, detecting a communication state, sequentially replacing different communication slave machines 3, repeating the steps, and screening out the communication slave machines 3 with communication faults;

C. three tests: the communication master machine 1 is electrically connected with a plurality of groups of communication slave machines 3 through a signal converter 2 to realize parallel networking communication, then a communication test is executed, a communication operation is simulated, whether communication is established or not is detected, and meanwhile, the power load condition of each communication slave machine 3 is detected.

In summary, when the communication parallel test technology is used, step a may be executed first, the communication slaves 3 are connected in series, then a communication test is executed, whether a communication fault exists in the communication slaves 3 is judged, if no communication fault exists in the communication slaves 3, step C may be performed, if a communication fault exists in the communication slaves 3, step B may be performed, the communication master 1 is electrically connected with one group of communication slaves 3, a communication test is executed, whether the communication slaves 3 establish communication is judged, the communication state is detected, then different communication slaves 3 are sequentially replaced and the above steps are repeated, the communication slaves 3 with a communication fault are screened out, then the communication slaves 3 with normal communication are replaced, step C is continuously executed, the communication master 1 is electrically connected with a plurality of groups of communication slaves 3 through the signal converter 2, in the actual connection process, all the communication slave machines 3 can be connected to the RS485 bus through the RS485 bus, then connected to the communication master machine 1 through the RS485-RS232 converter so as to control each connected communication slave machine 3 respectively, then a communication test is executed, a communication operation is simulated, the signal transmission module 5 can transmit a control signal sent by the main control module 4 of the communication master machine 1 to the next module, the signal converter 2 converts a signal output by the communication master machine 1 into a standard signal which can be identified by the communication slave machines 3 through the signal conversion module 6, finally the communication slave machines 3 receive the signal output by the previous module through the signal receiving module 7 and can identify and process the received signal through the signal identification module 8, and in the process, the monitoring can be carried out through the signal monitoring module 9, the data signal connection state monitoring unit 901 can monitor the data signal connection state of the communication slave 3, meanwhile, the power signal load condition monitoring unit 902 can monitor the power signal load condition of the communication slave 3, then when an abnormal condition is monitored in the communication slave 3, an alarm prompt can be performed through the fault alarm module 10, and the monitored actual condition of the communication slave 3 is timely fed back to the communication master 1 through the feedback module 11, so that the use process of the whole communication parallel test technology is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.