CN112485548A - Testing device - Google Patents
Testing device Download PDFInfo
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- CN112485548A CN112485548A CN202011323845.6A CN202011323845A CN112485548A CN 112485548 A CN112485548 A CN 112485548A CN 202011323845 A CN202011323845 A CN 202011323845A CN 112485548 A CN112485548 A CN 112485548A
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- card slot
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
Abstract
The application provides a testing arrangement, this testing arrangement includes: the three-phase four-wire power supply comprises an A phase wire, a B phase wire, a C phase wire and an N phase wire; the first test fixture is connected with the three-phase four-wire power supply and comprises a first card slot and a second card slot, the first card slot is a card slot of the concentrator local communication module, and the second card slot is a card slot of the HPLC module; the second test fixture is connected with the three-phase four-wire power supply, the second test fixture comprises a third clamping groove, the third clamping groove is a clamping groove of the HPLC module, the phase sequence of the second test fixture is different from that of the first test fixture, and the second test fixture is in communication connection with the first test fixture. In the testing device, the concentrator local communication module is installed in the first clamping groove, the HPLC module is installed in the second clamping groove and the third clamping groove, the phase sequence test of the HPLC module in batches is realized through the first testing clamp and the second testing clamp, and the testing efficiency is improved.
Description
Technical Field
The application relates to the technical field of HPLC (high performance liquid chromatography), in particular to a testing device.
Background
The phase and phase sequence identification scheme of the current mainstream transformer area is based on the fact that a concentrator and an electric meter realize phase and phase sequence identification of the transformer area through high-speed carrier bidirectional communication, and then the concentrator returns identified data to a main station through a wireless public network or other remote transmission equipment. Due to the fact that the number of the tests using the meter hanging frame is small, the cost is high, and batch module phase sequence and phase function tests are not convenient.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The main objective of this application is to provide a testing arrangement to solve the problem of inefficiency of the phase sequence phase test of HPLC module among the prior art.
In order to achieve the above object, according to one aspect of the present application, there is provided a test apparatus including: the three-phase four-wire power supply comprises an A phase wire, a B phase wire, a C phase wire and an N phase wire; the first test fixture is connected with the three-phase four-wire power supply and comprises a first card slot and a second card slot, the first card slot is a card slot of the concentrator local communication module, and the second card slot is a card slot of the HPLC module; the second test fixture, with three-phase four-wire power is connected, the second test fixture includes the third draw-in groove, the third draw-in groove does the draw-in groove of HPLC module, the phase sequence of second test fixture with the phase sequence of first test fixture is inequality, the second test fixture with first test fixture communication connection.
Optionally, the second card slot includes a common card slot and a universal card slot, the common card slot is a card slot of a single-phase HPLC module, and the universal card slot is a card slot of a single-phase HPLC module or a card slot of a three-phase HPLC module.
Optionally, the first test fixture further comprises: controlling a power interface of the main board; the control main board is connected with a power supply interface of the control main board, the first clamping groove and the second clamping groove are integrated on the control main board, and the control main board is used for controlling the power on and off of the modules in the first clamping groove and the second clamping groove; and the first indicator light is positioned on the control main board and used for indicating the power-on and power-off state of the control main board.
Optionally, the second test fixture further comprises: a control panel power interface; the control panel, with control panel power source interface connects, the third draw-in groove is integrated on the control panel, the control panel is used for controlling the break-make electricity of module in the third draw-in groove.
Optionally, the first test fixture includes a first ethernet interface, the second test fixture includes a second ethernet interface, and the test device further includes an attenuator, where the first ethernet interface is connected to one end of the attenuator, and the second ethernet interface is connected to the other end of the attenuator.
Optionally, the first test fixture includes a first power interface, the second test fixture includes a second power interface, and both the first power interface and the second power interface are connected to the three-phase four-wire power supply.
Optionally, the first card slot, the second card slot, and the third card slot include a strong electrical interface and a weak electrical interface.
Optionally, the first test fixture further includes a second indicator light for indicating a connection state of the concentrator local communication module and the corresponding weak current interface.
Optionally, the number of the first test clips is 1, the number of the second test clips is 5, the first test clips and the second test clips are sequentially connected through the attenuator, and the phase sequence of the second test clips is different from the phase sequence of the first test clips.
Optionally, in case the concentrator local communication module and the HPLC module constitute a star topology, the attenuation value of the attenuator is set to 0 dB; in case the concentrator local communication module and the HPLC module constitute a tree topology, the attenuation value of the attenuator is set to 30 dB.
According to the technical scheme, in the testing device, the concentrator local communication module is installed in the first clamping groove, the HPLC module is installed in the second clamping groove and the third clamping groove, the communication network is established by the concentrator local communication module and the HPLC module, the phase sequence of the first testing clamp and the phase sequence of the second testing clamp are identified by the HPLC module, the phase sequence obtained through testing are sent to the upper computer through the communication network and compared with the actual phase sequence, the phase sequence identification capacity of the HPLC module is determined according to the testing result, batch phase sequence testing is conducted on the HPLC module through the first testing clamp and the second testing clamp, the testing efficiency is improved, whether the message of the HPLC module meets the requirement of a protocol field or not is detected, and the consistency of a bottom layer protocol is ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a schematic view of a testing device according to an embodiment of the present application;
FIG. 2 shows a schematic view of a second test fixture according to an embodiment of the present application;
FIG. 3 shows a schematic view of a first test fixture according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
10. a three-phase four-wire power supply; 11. a phase line; 12. a phase line B; 13. a phase line C; 14. n phase lines; 20. a first test fixture; 21. a first card slot; 211. a fourth robust electrical interface; 212. a third weak current interface; 22. a second card slot; 221. a fifth strong electrical interface; 222. a fourth weak current interface; 23. controlling a power interface of the main board; 24. a control main board; 25. a first indicator light; 26. a first Ethernet interface; 27. a first power interface; 28. a second indicator light; 30. a second test fixture; 31. a common card slot; 311. a third strong electrical interface; 312. a first weak current interface; 32. a universal card slot; 321. a first strong electrical interface; 322. a second strong electrical interface; 323. a second weak current interface; 33. a control panel power interface; 34. a second Ethernet interface; 35. a second power interface; 40. an attenuator.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
For convenience of description, some terms or expressions referred to in the embodiments of the present application are explained below:
HPLC module: the system is used for carrying out power utilization information aggregation, transmission and interaction on power line media by products such as an electric meter, a collector, a concentrator gateway and the like;
the central coordinator: the main node role in the communication network is responsible for completing the functions of networking control, network maintenance management and the like, and the corresponding equipment entity is a concentrator local communication unit;
site: the slave node in the communication network, and the corresponding device entity is a communication unit, which comprises an electric energy meter carrier module, an I-type collector carrier module or an II-type collector.
As described in the background, the phase sequence and phase test of the HPLC module in the prior art is inefficient, and in order to solve the above problem, the present application proposes a test apparatus.
According to an embodiment of the present application, there is provided a test apparatus, as shown in fig. 1 to 3, including:
a three-phase four-wire power supply 10 including an a-phase wire 11, a B-phase wire 12, a C-phase wire 13, and an N-phase wire 14;
a first test fixture 20 connected to the three-phase four-wire power supply 10, wherein the first test fixture 20 includes a first card slot 21 and a second card slot 22, the first card slot 21 is a card slot of a concentrator local communication module, and the second card slot 22 is a card slot of an HPLC module;
and a second test jig 30 connected to the three-phase four-wire power supply 10, wherein the second test jig 30 includes a third card slot, the third card slot is a card slot of the HPLC module, a phase sequence of the second test jig 30 is different from a phase sequence of the first test jig 20, and the second test jig is in communication connection with the first test jig.
In the testing device, the concentrator local communication module is installed in the first clamping groove, the HPLC module is installed in the second clamping groove and the third clamping groove, the concentrator local communication module and the HPLC module form a communication network, the HPLC module is adopted to identify the phase sequence of the first testing clamp and the phase sequence of the second testing clamp, the phase sequence is sent to the upper computer through the communication network, the phase sequence obtained through testing is compared with the actual phase sequence, the phase sequence identification capability of the HPLC module is determined according to the testing result, batch phase sequence testing is carried out on the HPLC module through the first testing clamp and the second testing clamp, the testing efficiency is improved, whether the message of the HPLC module meets the requirement of a protocol field is detected, and the consistency of a bottom layer protocol is ensured.
It should be noted that the concentrator local communication module and the HPLC module constitute a communication network, the concentrator local communication module serves as a central coordinator of the communication network, and the HPLC module serves as a site of the communication network, so that the upper computer can obtain the phase sequence identified by all the HPLC modules through the communication network.
In an embodiment of the present application, as shown in fig. 2, the third card slot includes a normal card slot 31 and a universal card slot 32, the normal card slot 31 is a card slot of a single-phase HPLC module, and the universal card slot 32 is a card slot of a single-phase HPLC module or a card slot of a three-phase HPLC module. Specifically, the universal card slot includes a first strong electrical interface 321 and a second strong electrical interface 322, the first strong electrical interface 321 is a strong electrical interface corresponding to the single-phase HPLC module, the second strong electrical interface 322 is a strong electrical interface corresponding to the three-phase HPLC module, and the universal card slot enables the testing apparatus to test the phase sequence recognition capability of the single-phase HPLC module as well as the phase sequence recognition capability of the single-phase HPLC module.
In an embodiment of the present application, as shown in fig. 3, the first test fixture 20 further includes a control main board power interface 23, a control main board 24 and a first indicator light 25, where the control main board 24 is connected to the control main board power interface 23, the first card slot 21 and the second card slot 22 are integrated on the control main board 24, and the control main board 24 is configured to control power on and off of modules in the first card slot 21 and the second card slot 22; the first indicator light is positioned on the control main board and used for indicating the power-on and power-off state of the control main board. Specifically, through control mainboard power source, power supply is 24V to control mainboard power supply, and the first pilot lamp lights after the control mainboard circular telegram, through the circular telegram of module in the first draw-in groove of control mainboard control and the second draw-in groove, can begin the test, through the outage of module in the first draw-in groove of control mainboard control and above-mentioned second draw-in groove, the test is ended.
In an embodiment of the present invention, as shown in fig. 2, the second test fixture 30 further includes a control board power interface 33 and a control board, the control board is connected to the control board power interface 33, the third slot is integrated on the control board, and the control board is used for controlling the power on/off of the module in the third slot. Specifically, the control panel is powered through the control panel power interface, the power supply voltage is 24V, the control panel controls the third clamping groove to electrify the module, the test can be started, the control panel controls the third clamping groove to cut off the power of the module, and the test is finished.
In an embodiment of the present application, as shown in fig. 1 to 3, the first test fixture 20 includes a first ethernet interface 26, the second test fixture 30 includes a second ethernet interface 34, and the test apparatus further includes an attenuator 40, the first ethernet interface 26 is connected to one end of the attenuator 40, and the second ethernet interface 34 is connected to the other end of the attenuator 40. Specifically, an attenuator is arranged between the first test fixture and the second test fixture to prevent the signal amplitude from being too large and ensure the normal communication of the communication network.
In one embodiment of the present application, as shown in fig. 1 to 3, the first test fixture 20 includes a first power interface 27, the second test fixture 30 includes a second power interface 35, and the first power interface 27 and the second power interface 35 are both connected to the three-phase four-wire power supply 10. Specifically, the pins of the first power interface and the pins of the second power interface are arranged differently, so that the phase sequence of the first test fixture is different from that of the second test fixture.
In an embodiment of the present application, the first card slot, the second card slot, and the third card slot include a strong electrical interface and a weak electrical interface. Specifically, a strong current interface introduces single-phase electricity or three-phase electricity into the concentrator local communication module and the HPLC module so that the HPLC module can identify a phase sequence, and a weak current interface enables the concentrator local communication module and the HPLC module to be communicated with the first test fixture or the second test fixture respectively and then is in communication connection with the first test fixture and the second test fixture to form a communication network. More specifically, as shown in fig. 2, the normal card slot 31 includes a third strong electric interface 311 and a first weak electric interface 312, and the general card slot 32 includes a first strong electric interface 321, a second strong electric interface 322 and a second weak electric interface 323, as shown in fig. 3, the first card slot 21 includes a fourth strong electric interface 211 and a third weak electric interface 212, and the second card slot 22 includes a fifth strong electric interface 221 and a fourth weak electric interface 222.
In an embodiment of the present application, as shown in fig. 3, the first test fixture 20 further includes a second indicator light 28, where the second indicator light 28 is used to indicate a connection status of the concentrator local communication module and the corresponding weak current interface. Specifically, the second indicator light indicates a connection state of the concentrator local communication module and the corresponding weak current interface, so that a communication state of the concentrator local communication module and the first test fixture is monitored, and normal communication of a communication network is further ensured.
In an embodiment of the present application, the number of the first test clips is 1, the number of the second test clips is 5, the first test clips and the second test clips are sequentially connected through the attenuator, and a phase sequence of the second test clips is different from a phase sequence of the first test clips. Specifically, the pins of the first power interface of the first test fixture and the pins of the second power interface of the second test fixture are arranged in different manners, so that the phase sequence of the second test fixture is different from the phase sequence of the first test fixture, for example, the phase sequence of the first test fixture is ABCN, and the phase sequence of the second test fixture is ACBN, BCAN, BACN, CABN, and CBAN, where ABCN indicates that the phase a leads the phase B by 120 degrees, the phase B leads the phase C by 120 degrees, the phase C leads the phase N by 120 degrees, and the other phase sequences are analogized.
In an embodiment of the present application, in a case where the concentrator local communication module and the HPLC module form a star topology, the attenuation value of the attenuator is set to 0 dB; in a case where the concentrator local communication module and the HPLC module constitute a tree topology, the attenuation value of the attenuator is set to 30 dB. Specifically, in the star topology, the phase sequence identified by the HPLC module converges to the local communication module of the concentrator, the amplitude range of the signals received by the local communication module of the concentrator is large, and the signals do not need to be attenuated, the attenuation value of the attenuator is set to 0dB, in the tree topology, part of the HPLC modules may be used as a central coordinator of the communication network, and part of the phase sequence identified converges to the HPLC module, the amplitude range of the signals received by the HPLC module is small, and the signals need to be attenuated, and the attenuation value of the attenuator is set to 30dB, of course, the attenuation value of the attenuator is not limited thereto, and those skilled in the art can adjust the phase sequence according to actual conditions.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
in the testing device of this application, concentrator local communication module installs in first draw-in groove, the HPLC module is installed in second draw-in groove and third draw-in groove, communication network is established to concentrator local communication module and HPLC module, adopt the phase sequence of first test fixture of HPLC module discernment and second test fixture, send the host computer through communication network, phase sequence and the actual phase sequence that will test and obtain carry out the comparison, thereby confirm the phase sequence discernment ability of HPLC module according to the test result, realize carrying out batch phase sequence test to the HPLC module through first test fixture and second test fixture promptly, and efficiency of software testing is improved, and whether the detection HPLC module message accords with the stipulation field requirement, guarantee bottom protocol uniformity.
The above description is only a preferred embodiment of the present application and is not intended to limit 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.
Claims (10)
1. A test apparatus, comprising:
the three-phase four-wire power supply comprises an A phase wire, a B phase wire, a C phase wire and an N phase wire;
the first test fixture is connected with the three-phase four-wire power supply and comprises a first card slot and a second card slot, the first card slot is a card slot of the concentrator local communication module, and the second card slot is a card slot of the HPLC module;
the second test fixture, with three-phase four-wire power is connected, the second test fixture includes the third draw-in groove, the third draw-in groove does the draw-in groove of HPLC module, the phase sequence of second test fixture with the phase sequence of first test fixture is inequality, the second test fixture with first test fixture communication connection.
2. The apparatus of claim 1, wherein the third card slot comprises a generic card slot and a generic card slot, the generic card slot being a card slot of a single-phase HPLC module or a card slot of a three-phase HPLC module.
3. The apparatus of claim 1, wherein the first test fixture further comprises:
controlling a power interface of the main board;
the control main board is connected with a power supply interface of the control main board, the first clamping groove and the second clamping groove are integrated on the control main board, and the control main board is used for controlling the power on and off of the modules in the first clamping groove and the second clamping groove;
and the first indicator light is positioned on the control main board and used for indicating the power-on and power-off state of the control main board.
4. The apparatus of claim 1, wherein the second test fixture further comprises:
a control panel power interface;
the control panel, with control panel power source interface connects, the third draw-in groove is integrated on the control panel, the control panel is used for controlling the break-make electricity of module in the third draw-in groove.
5. The apparatus of claim 1, wherein the first test fixture comprises a first ethernet interface, wherein the second test fixture comprises a second ethernet interface, wherein the test apparatus further comprises an attenuator, wherein the first ethernet interface is connected to one end of the attenuator, and wherein the second ethernet interface is connected to the other end of the attenuator.
6. The apparatus of claim 1, wherein the first test fixture includes a first power interface, wherein the second test fixture includes a second power interface, and wherein the first power interface and the second power interface are each connected to the three-phase four-wire power supply.
7. The apparatus of claim 1, wherein the first card slot, the second card slot, and the third card slot comprise a strong electrical interface and a weak electrical interface.
8. The apparatus of claim 7, wherein the first test fixture further comprises a second indicator light for indicating a connection status of the concentrator local communication module with the corresponding weak electrical interface.
9. The apparatus of claim 5, wherein the number of the first test clips is 1, the number of the second test clips is 5, the first test clips and the second test clips are sequentially connected through the attenuator, and the phase sequence of the second test clips is different from the phase sequence of the first test clips.
10. The apparatus of claim 5, wherein in case the concentrator local communication module and the HPLC module constitute a star topology, the attenuation value of the attenuator is set to 0 dB; in case the concentrator local communication module and the HPLC module constitute a tree topology, the attenuation value of the attenuator is set to 30 dB.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011323845.6A CN112485548B (en) | 2020-11-23 | 2020-11-23 | Testing device of HPLC module |
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| CN202011323845.6A CN112485548B (en) | 2020-11-23 | 2020-11-23 | Testing device of HPLC module |
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| CN112485548B CN112485548B (en) | 2023-03-14 |
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