CN213779835U - Device for detecting working state of stray current monitoring device - Google Patents
Device for detecting working state of stray current monitoring device Download PDFInfo
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- CN213779835U CN213779835U CN202022394903.6U CN202022394903U CN213779835U CN 213779835 U CN213779835 U CN 213779835U CN 202022394903 U CN202022394903 U CN 202022394903U CN 213779835 U CN213779835 U CN 213779835U
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Abstract
The utility model discloses a device for detecting stray current monitoring devices operating condition, including the power, still include: the power supply terminal is used for inputting an electric signal required by the operation of the stray current monitoring device; the communication terminal is used for inputting a communication signal of the stray current monitoring device; the analog quantity input terminal is used for inputting a voltage value command signal to the stray current monitoring device and generating a corresponding analog quantity acquisition value signal; a switching value input terminal for inputting a switching state command signal of the stray current monitoring device; a processor coupled to the power terminal, the communication terminal, the analog input terminal and the switching value input terminal for receiving and processing the communication signal, the analog collecting signal and the switching state command signal, wherein a stray current monitoring device is coupled to one of the power terminal, the communication terminal, the analog input terminal and the switching value input terminal.
Description
Technical Field
The utility model relates to a track traffic electrical equipment detection area especially relates to a device for detecting stray current monitoring devices operating condition.
Background
The rail transit is used as a mode of public transportation, has the characteristics of safety, punctuality, rapidness, comfort and environmental protection, and therefore urban rail transit engineering is developed all over the world. At present, in urban rail transit engineering in China, a direct current traction power supply system is adopted, direct current is transmitted to a traction locomotive through a contact net or a contact rail, the traction locomotive drags a train to advance, and traction current is returned to a substation through a traveling rail. Due to the limitation of operation environment, economy and other aspects, a traveling rail cannot be completely insulated from a track bed structure, and traction current does not flow back to a traction substation from a steel rail, so that a part of the traction current flows into the ground from the steel rail, namely, stray current, the stray current can corrode structural steel bars of urban rail transit, metal pipelines, buildings and other facilities along the line can be damaged, if the stray current flows into a grounding system, the ground potential can be raised, the use of part of facilities is seriously influenced, and the personal safety is further influenced.
In order to master the leakage condition of subway traction backflow and the corrosion degree of an underground metal structure by stray current, special measurement work must be carried out, so that the stray current monitoring device carries out field measurement to master the distribution rule of the stray current in a field section and analyze the distribution reason of the stray current in the field section, a positive protection scheme of the stray current in the field section is provided, and a vital effect is achieved.
Because stray current monitoring devices structure is complicated, the content that needs to detect is more, and current detection method is complicated, and the test wiring is complicated, complex operation, efficiency of software testing is low, and to this current situation, urgent need develop a stray current monitoring devices detection device to satisfy the needs of in-service use, improve the reliability and the simplicity of the operation of high efficiency and the test.
Disclosure of Invention
In view of the above-mentioned problems and needs, the present invention provides a device for detecting the operating state of a stray current monitoring device, which can achieve the above-mentioned technical objectives by adopting the following technical features and bring about other technical effects.
The utility model provides a device for detecting stray current monitoring devices operating condition, including the power, still include:
the power supply terminal is used for inputting an electric signal required by the operation of the stray current monitoring device;
the communication terminal is used for inputting a communication signal of the stray current monitoring device;
the analog quantity input terminal is used for inputting a voltage value command signal to the stray current monitoring device and generating a corresponding analog quantity acquisition value signal;
a switching value input terminal for inputting a switching state command signal of the stray current monitoring device;
a processor connected between the power supply and the communication terminal, the stray current monitoring device being coupled to at least one of the power supply terminal, the communication terminal, the analog input terminal, and the switching value input terminal;
when the stray current monitoring device is coupled with the power terminal, judging whether the stray current monitoring device is normally powered on according to whether a power indicator lamp of the stray current monitoring device is turned on or not;
when the stray current monitoring device is coupled with the communication terminal, the processor is used for detecting whether the communication of the stray current monitoring device is normal;
when one end of the stray current monitoring device is coupled with the analog quantity input terminal and the other end of the stray current monitoring device is coupled with the communication terminal, the processor receives an analog quantity acquisition value signal through the communication terminal and compares the analog quantity acquisition value with a voltage value to judge whether the analog quantity test of the stray current monitoring device is qualified or not;
when the stray current monitoring device is coupled with the switching value input terminal, and the other end of the stray current monitoring device is coupled with the communication terminal, the processor receives a switching state instruction signal through the communication terminal and detects whether the switch of the stray current monitoring device is normal;
wherein the power supply terminal, the communication terminal, the analog input terminal, the switching value input terminal and the processor are coupled to the power supply.
In the technical scheme, a power supply provides working voltages for the power supply terminal, the communication terminal, the analog input terminal, the switching value input terminal and the processor, and when the stray current monitoring device is coupled with the power supply terminal, whether the stray current monitoring device is normally powered on is judged according to whether a power indicator lamp of the stray current monitoring device is turned on; when the stray current monitoring device is coupled with the communication terminal, the processor is used for detecting whether the communication of the stray current monitoring device is normal; when the stray current monitoring device is coupled with the analog input terminal, the processor is used for comparing an analog acquisition value with a voltage value and judging whether the analog test of the stray current monitoring device is qualified or not; when the stray current monitoring device is coupled with the switching value input terminal, the processor is used for detecting whether the switch of the stray current monitoring device is normal; the device simple structure, the test wiring is simple, and it is convenient to detect, and efficiency of software testing is high.
Additionally, according to the utility model discloses a device for detecting stray current monitoring devices operating condition can also have following technical characteristic:
in an example of the present invention, the processor further comprises: a display screen is arranged on the display screen,
when the stray current monitoring device is coupled with the communication terminal, the display screen is used for displaying whether the communication of the stray current monitoring device is normal or not;
when the stray current monitoring device is coupled with the analog input terminal, the display screen is used for displaying whether the analog test of the stray current monitoring device is qualified or not;
when the stray current monitoring device is coupled with the switching value input terminal, the display screen is used for displaying whether the switch of the stray current monitoring device is normal or not.
In an example of the present invention, the power supply includes:
an external power supply coupled to the power supply terminal, the communication terminal, the analog input terminal, the switching value input terminal, and the processor;
the first direct-current power supply conversion module is connected between the external power supply and the analog quantity input terminal and used for converting the external power supply into the working voltage of the analog quantity input terminal;
and the second direct-current power supply conversion module is connected between the external power supply and the switching value input terminal and is used for converting the external power supply into the working voltage of the switching value input terminal.
In an example of the present invention, the present invention further includes: a voltage input module for inputting a voltage to the power supply,
the first direct current power supply conversion module is connected between the first direct current power supply conversion module and the analog quantity input terminal, and is used for inputting different voltage value command signals to the analog quantity input terminal.
In an example of the present invention, the present invention further includes: the switching value is tested by the switch-on/off quantity test switch,
the direct current power supply switching module is connected between the second direct current power supply switching module and the switching value input terminal and used for inputting switching state command signals to the switching value input terminal.
In an example of the present invention, the communication terminal includes:
a first communication terminal and a second communication terminal;
and one end of the communication selection module is coupled with the processor, and the other end of the communication selection module is coupled with the first communication terminal and the second communication terminal respectively and used for selecting the first communication terminal to input the communication signal to the stray current monitoring device or selecting the second communication terminal to input the communication signal to the stray current monitoring device.
In an example of the present invention, the communication selection module further includes:
a communication converter coupled between the communication selection module and the second communication terminal.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic diagram of an apparatus for detecting an operating state of a stray current monitoring apparatus according to an embodiment of the present invention.
List of reference numerals:
a power supply terminal 10;
a communication terminal 20;
a first communication terminal 21;
a second communication terminal 22;
a communication selection module 23;
a communication converter 231;
an analog input terminal 30;
a switching value input terminal 40;
a processor 50;
a power supply 60;
an external power supply 61;
a first direct current power conversion module 62;
a second dc power conversion module 63;
a voltage input module 70;
the switching value test switch 80.
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
According to the utility model discloses a device for detecting stray current monitoring devices operating condition, including power 60, its characterized in that still includes:
a power supply terminal 10 for inputting an electrical signal required for the operation of the stray current monitoring device;
a communication terminal 20 for inputting a communication signal of the stray current monitoring apparatus;
an analog input terminal 30, configured to input a voltage value command signal to the stray current monitoring apparatus and generate a corresponding analog acquisition value signal;
a switching value input terminal 40 for inputting a switching state command signal of the stray current monitoring apparatus;
a processor 50 connected between the power supply 60 and the communication terminal 20, the stray current monitoring device being coupled to at least one of the power supply terminal 10, the communication terminal 20, the analog input terminal 30 and the switching value input terminal 40;
when the stray current monitoring device is coupled with the power terminal 10, judging whether the stray current monitoring device is normally powered on according to whether a power indicator lamp of the stray current monitoring device is turned on or not;
when the stray current monitoring device is coupled to the communication terminal 20, the processor 50 is configured to detect whether the communication of the stray current monitoring device is normal;
when one end of the stray current monitoring device is coupled to the analog input terminal 30 and the other end of the stray current monitoring device is coupled to the communication terminal 20, the processor 50 receives an analog acquisition value signal through the communication terminal 20 and compares the analog acquisition value with a voltage value to determine whether the analog test of the stray current monitoring device is qualified;
when the stray current monitoring device is coupled to the switching value input terminal 40 and the other end thereof is coupled to the communication terminal 20, the processor 50 receives a switching state command signal through the communication terminal 20 and detects whether the stray current monitoring device is normally switched;
wherein the power terminal 10, the communication terminal 20, the analog input terminal 30, the switching value input terminal 40 and the processor 50 are coupled to the power source.
Specifically, a power supply 60 provides operating voltages for the power supply terminal 10, the communication terminal 20, the analog input terminal 30, the switching value input terminal 40, and the processor 50, and when the stray current monitoring apparatus is coupled to the power supply terminal 10, whether the stray current monitoring apparatus is normally powered on is determined according to whether a power indicator of the stray current monitoring apparatus is turned on; when the stray current monitoring device is coupled to the communication terminal 20, the processor 50 is configured to detect whether the communication of the stray current monitoring device is normal; when the stray current monitoring apparatus is coupled to the analog input terminal 30, the processor 50 is configured to compare an analog acquisition value with a voltage value and determine whether an analog test of the stray current monitoring apparatus is qualified; when the stray current monitoring device is coupled to the switching value input terminal 40, the processor 50 is configured to detect whether the stray current monitoring device is normally switched; the device simple structure, the test wiring is simple, and it is convenient to detect, and efficiency of software testing is high.
In an example of the present invention, the processor 50 further includes: a display screen is arranged on the display screen,
when the stray current monitoring device is coupled to the communication terminal 20, the display screen is used for displaying whether the communication of the stray current monitoring device is normal;
when the stray current monitoring device is coupled to the analog input terminal 30, the display screen is used for displaying whether the analog test of the stray current monitoring device is qualified;
when the stray current monitoring device is coupled to the switching value input terminal 40, the display screen is used for displaying whether the switch of the stray current monitoring device is normal;
that is to say, can be more directly perceived, clear demonstration through the display screen stray current monitoring devices's communication, analog quantity test and switching status.
In an example of the present invention, the power supply 60 includes:
an external power source 61 coupled to the power source terminal 10, the communication terminal 20, the analog input terminal 30, the switching value input terminal 40, and the processor 50;
a first dc power conversion module 62 connected between the external power source 61 and the analog input terminal 30, for converting the external power source 61 into an operating voltage of the analog input terminal 30;
a second dc power conversion module 63 connected between the external power source 61 and the switching value input terminal 40, for converting the external power source 61 into the operating voltage of the switching value input terminal 40;
that is, the external power source 61 is ac, and the operating voltages of the analog input terminal 30 and the switching value input terminal 40 are dc, so the first dc power conversion module 62 and the second dc power conversion module 63 are provided to achieve the above-mentioned object; for example, the operating voltage of the switching value input terminal 40 is 24V.
In an example of the present invention, the present invention further includes: a voltage input means 70 is provided for inputting a voltage,
connected between the first dc power conversion module 62 and the analog input terminal 30, and configured to input different voltage value command signals to the analog input terminal 30;
specifically, the voltage input module 70 may input different voltage value command signals to the analog input terminal 30, for example, the voltage input module 70 includes a voltage input selection button.
In an example of the present invention, the present invention further includes: the switching value test switch 80 is turned on or off,
which is connected between the second dc power conversion module 63 and the switching value input terminal 40, and is used to input a switching state command signal to the switching value input terminal 40.
In an example of the present invention, the communication terminal 20 includes:
a first communication terminal 21 and a second communication terminal 22;
a communication selection module 23, one end of which is coupled to the processor 50, and the other end of which is coupled to the first communication terminal 21 and the second communication terminal 22, respectively, for selecting the first communication terminal 21 to input the communication signal to the stray current monitoring device or selecting the second communication terminal 22 to input the communication signal to the stray current monitoring device; the communication selection module 23 includes a communication mode selection button.
In an example of the present invention, the communication selection module 231 further includes:
a communication converter 231 coupled between the communication selection module 23 and the second communication terminal 22.
The working method of the device for detecting the working state of the stray current monitoring device comprises the following specific steps:
A. firstly, placing a stray current monitoring device on a test platform, and correspondingly inserting a wiring terminal into the stray current monitoring device;
B. firstly, conducting a power-on test on the stray current monitoring device, accessing an external power supply 61, electrifying the device, observing a power supply indicator lamp of the stray current monitoring device, entering a step C if the power supply indicator lamp is normally on, and entering a step F if the power supply indicator lamp is not normally on;
C. carrying out communication test on the stray current monitoring device, adjusting the communication selection module 23 to respectively adopt two different communication modes for communication test, respectively clicking a test key in the liquid crystal display under the two communication modes, and displaying a test result through the liquid crystal display, firstly rotating the communication selection module 23 to the communication mode I, clicking the test key in the liquid crystal display 1, displaying the test result through the liquid crystal display 1, then rotating the communication selection module 23 to the communication mode II, displaying the test result through the liquid crystal display, if the two communication modes show that the test result is qualified, entering the step D, and otherwise, entering the step F;
D. carrying out analog quantity test on the stray current monitoring device, connecting three different voltage values into the stray current monitoring device by the voltage adjusting input module 70, sequentially adjusting the voltage input module 70 to I, II and III according to the prompt of the liquid crystal display screen, clicking a test key in the liquid crystal display screen, sending an analog quantity acquisition value to the liquid crystal display screen through a communication port by the stray current monitoring device, comparing the received acquisition value with the voltage connection value by the liquid crystal display screen to obtain a test result and displaying the test result, if the three test results are qualified, testing the analog quantity of the stray current monitoring device to be qualified, otherwise, testing the analog quantity of the stray current monitoring device to be unqualified, and entering the step E;
E. carrying out a switching value test of the stray current monitoring device, closing a switching value test switch 80 according to the prompt of the liquid crystal display screen, clicking a test key in the liquid crystal display screen, displaying a test result through the liquid crystal display screen, completing the test of the stray current monitoring device, storing various test results and forming a test report;
F. after the stray current monitoring device is tested, the analog quantity test and the switching quantity test of the stray current monitoring device cannot be carried out, and the stray current monitoring device is detected to be unqualified;
unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The exemplary embodiment of the device for detecting the operating state of a stray current monitoring device proposed by the present invention has been described in detail above with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and variations can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures proposed by the present invention can be made without departing from the scope of the present invention, which is defined by the appended claims.
Claims (7)
1. A device for detecting the operating state of a stray current monitoring device, comprising a power supply (60), characterized in that it further comprises:
a power supply terminal (10) for inputting an electrical signal required for the operation of the stray current monitoring device;
a communication terminal (20) for inputting a communication signal of the stray current monitoring device;
the analog quantity input terminal (30) is used for inputting a voltage value command signal to the stray current monitoring device and generating a corresponding analog quantity acquisition value signal;
a switching value input terminal (40) for inputting a switching state command signal of the stray current monitoring device;
a processor (50) connected between the power supply (60) and the communication terminal (20), the stray current monitoring device being coupled to at least one of the power supply terminal (10), the communication terminal (20), the analog input terminal (30) and the switching value input terminal (40);
when the stray current monitoring device is coupled with the power supply terminal (10), judging whether the stray current monitoring device is normally powered on according to whether a power supply indicator lamp of the stray current monitoring device is turned on or not;
when the stray current monitoring device is coupled with the communication terminal (20), the processor (50) is used for detecting whether the communication of the stray current monitoring device is normal;
when one end of the stray current monitoring device is coupled with the analog input terminal (30) and the other end of the stray current monitoring device is coupled with the communication terminal (20), the processor (50) receives an analog acquisition value signal through the communication terminal (20), and compares the analog acquisition value with a voltage value to judge whether the analog test of the stray current monitoring device is qualified or not;
when the stray current monitoring device is coupled with the switching value input terminal (40) and the other end of the stray current monitoring device is coupled with the communication terminal (20), the processor (50) receives a switching state command signal through the communication terminal (20) and detects whether the stray current monitoring device is normally switched;
wherein the power supply terminal (10), the communication terminal (20), the analog input terminal (30), the switching value input terminal (40), and the processor (50) are coupled to the power supply (60).
2. Device for detecting the operating state of a stray current monitoring device according to claim 1,
the processor (50) further comprises: a display screen is arranged on the display screen,
when the stray current monitoring device is coupled with the communication terminal (20), the display screen is used for displaying whether the communication of the stray current monitoring device is normal or not;
when the stray current monitoring device is coupled with the analog quantity input terminal (30), the display screen is used for displaying whether the analog quantity test of the stray current monitoring device is qualified or not;
when the stray current monitoring device is coupled with the switching value input terminal (40), the display screen is used for displaying whether the switch of the stray current monitoring device is normal or not.
3. Device for detecting the operating state of a stray current monitoring device according to claim 1,
the power supply (60) comprises:
an external power supply (61) coupled to the power supply terminal (10), the communication terminal (20), the analog input terminal (30), the switching value input terminal (40), and the processor (50);
a first direct current power conversion module (62) connected between the external power source (61) and the analog input terminal (30) for converting the external power source (61) into an operating voltage of the analog input terminal (30);
and the second direct-current power supply conversion module (63) is connected between the external power supply (61) and the switching value input terminal (40) and is used for converting the external power supply (61) into the working voltage of the switching value input terminal (40).
4. Device for detecting the operating state of a stray current monitoring device according to claim 3,
further comprising: a voltage input module (70) for inputting a voltage,
the direct current power supply conversion module is connected between the first direct current power supply conversion module (62) and the analog quantity input terminal (30) and is used for inputting different voltage value command signals to the analog quantity input terminal (30).
5. Device for detecting the operating state of a stray current monitoring device according to claim 3,
further comprising: a switching value test switch (80),
the direct current power supply switching circuit is connected between the second direct current power supply conversion module (63) and the switching value input terminal (40) and used for inputting a switching state command signal to the switching value input terminal (40).
6. Device for detecting the operating state of a stray current monitoring device according to claim 3,
the communication terminal (20) includes:
a first communication terminal (21) and a second communication terminal (22);
and the communication selection module (23) is coupled with the processor (50) at one end, and is coupled with the first communication terminal (21) and the second communication terminal (22) at the other end respectively, and is used for selecting the first communication terminal (21) to input the communication signal to the stray current monitoring device or selecting the second communication terminal (22) to input the communication signal to the stray current monitoring device.
7. Device for detecting the operating state of a stray current monitoring device according to claim 6,
the communication selection module (23) further comprises:
a communication converter (231) coupled between the communication selection module (23) and the second communication terminal (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022394903.6U CN213779835U (en) | 2020-10-26 | 2020-10-26 | Device for detecting working state of stray current monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022394903.6U CN213779835U (en) | 2020-10-26 | 2020-10-26 | Device for detecting working state of stray current monitoring device |
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| CN213779835U true CN213779835U (en) | 2021-07-23 |
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| CN202022394903.6U Active CN213779835U (en) | 2020-10-26 | 2020-10-26 | Device for detecting working state of stray current monitoring device |
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