CN216900805U - Integrated test system - Google Patents
Integrated test system Download PDFInfo
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- CN216900805U CN216900805U CN202220035434.5U CN202220035434U CN216900805U CN 216900805 U CN216900805 U CN 216900805U CN 202220035434 U CN202220035434 U CN 202220035434U CN 216900805 U CN216900805 U CN 216900805U
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Abstract
The embodiment of the utility model provides an integrated test system. When testing is required to be carried out based on different testing types of the electrical equipment, a user carries out selection operation according to a plurality of displayed testing types, the sampling positions of the voltage acquisition part and/or the current acquisition part on the electrical equipment are changed in response to the operation of the user so as to switch the testing types, and the analysis part carries out analysis based on the switched testing types, so that the different testing types can be conveniently switched through one testing system without dismantling and rebuilding the testing system, and the testing efficiency is greatly improved; in addition, the same test system is used for testing, so that the problem of electromagnetic compatibility (EMC) and the problem of inconsistent test environment are solved, and the accuracy of the test result is ensured.
Description
Technical Field
The utility model relates to the field of testing, in particular to an integrated testing system.
Background
With the development of industrial automation, various electrical devices are widely used in various fields. During the manufacturing, use and maintenance of electrical equipment, it is necessary to test various properties and various parameters of the electrical equipment.
For a certain electrical device, which may have multiple test items or multiple test types, for example, in different test types, it is necessary to detect currents and/or voltages at different parts and different terminals of the electrical device to obtain different types of test results, and currently, the existing test method generally builds a test system for each test type.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. These solutions are not considered to be known to the person skilled in the art merely because they are set forth in the background section of the utility model.
SUMMERY OF THE UTILITY MODEL
In the existing testing method, a testing system needs to be set up for each testing type of the electrical equipment, and after the testing type is tested, the testing system needs to be dismantled and testing systems of other testing types need to be set up again, wherein a large amount of wiring and disconnecting work is involved, the testing preparation time is long, and the testing efficiency is low. In addition, because different existing test types need a plurality of test systems to test respectively, the problem of non-uniformity of equipment and circuit layout is caused when the test system is built again each time, and the problem of inconsistency of electromagnetic compatibility (EMC) and test environment is easily caused, so that the accuracy of test results is influenced.
In order to solve at least one of the above problems, embodiments of the present invention provide an integrated test system, when a test needs to be performed based on different test types of electrical equipment, a user performs a selection operation according to a plurality of displayed test types, and changes a sampling position of a voltage acquisition part and/or a current acquisition part on the electrical equipment in response to the operation of the user to switch the test types, and an analysis part performs an analysis based on the switched test types, so that the test system can be conveniently switched between the different test types without dismantling and rebuilding the test system, thereby greatly improving test efficiency; in addition, the same test system is used for testing, so that the problem of electromagnetic compatibility (EMC) and the problem of inconsistent test environment are solved, and the accuracy of the test result is ensured.
According to a first aspect of embodiments of the present invention, there is provided an integrated test system, comprising: a voltage acquisition part and a current acquisition part; an operation unit that displays a plurality of test types and generates an operation instruction in response to an operation by a user; a control unit that generates a switching command based on the operation command; a switching unit that changes a sampling position of the voltage acquisition unit and/or the current acquisition unit on an electrical device to be tested, in accordance with the switching instruction, to switch the test type; and the analysis part is used for analyzing the detection result of the voltage acquisition part and/or the current acquisition part after the sampling position is changed to obtain a test result.
According to the second aspect of the embodiments of the present invention, the operation section includes a touch panel that generates the operation instruction in response to a touch operation by a user.
According to a third aspect of the embodiments of the present invention, wherein the operation section or the analysis section further displays the test result.
According to a fourth aspect of the embodiments of the present invention, wherein the control section includes a programmable logic controller, and the switching section includes a plurality of contactors or a plurality of relays.
According to a fifth aspect of the embodiments of the present invention, the electrical device to be tested is connected to the voltage collecting unit and/or the current collecting unit through the lead wires, and then connected to the terminals on the stud bolts connected to the analyzing unit through the lead wires, so as to form a plurality of connection paths, and the plurality of contactors or the plurality of relays are provided in at least a part of the connection paths, and control on/off of the at least a part of the connection paths.
According to a sixth aspect of the embodiments of the present invention, the plurality of contactors or the plurality of relays turn on or off each of the at least a part of the connection paths according to a switching instruction of the programmable logic controller to switch the sampling position of the voltage collecting part and/or the current collecting part on the test object.
According to a seventh aspect of embodiments of the present invention, wherein the voltage acquisition part comprises at least one voltage sensor, the current acquisition part comprises at least one current loop, and the analysis part comprises a power analyzer.
According to an eighth aspect of the embodiments of the present invention, wherein the electric device as the test object is an ac servo system including a power supply portion, a servo driver, and a servo motor stage.
According to a ninth aspect of embodiments of the present invention, wherein the integrated test system further comprises: a cabinet accommodating the voltage collecting part, the current collecting part, the operating part, the control part, the switching part, and the analyzing part; and the lifting structure bears the cabinet body and lifts the cabinet body.
According to a tenth aspect of the embodiments of the present invention, wherein the integrated test system further comprises: and the universal wheel is arranged at the bottom of the lifting structure.
The embodiment of the utility model has the beneficial effects that: when testing is required to be carried out based on different testing types of the electrical equipment, a user carries out selection operation according to a plurality of displayed testing types, the sampling positions of the voltage acquisition part and/or the current acquisition part on the electrical equipment are changed in response to the operation of the user so as to switch the testing types, and the analysis part carries out analysis based on the switched testing types, so that the different testing types can be conveniently switched through one testing system without dismantling and rebuilding the testing system, and the testing efficiency is greatly improved; in addition, the same test system is used for testing, so that the problem of electromagnetic compatibility (EMC) and the problem of inconsistent test environment are solved, and the accuracy of the test result is ensured.
Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not so limited in scope. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.
The feature information described and illustrated with respect to one embodiment may be used in the same or similar manner in one or more other embodiments, in combination with or instead of the feature information in the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
Many aspects of the utility model can be better understood with reference to the following drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model. For convenience in illustrating and describing some parts of the present invention, corresponding parts may be enlarged or reduced in the drawings. Elements and feature information described in one figure or embodiment of the utility model may be combined with elements and feature information shown in one or more other figures or embodiments. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views, and may be used to designate corresponding parts for use in more than one embodiment.
In the drawings:
FIG. 1 is a block diagram of an integrated test system according to an embodiment of the present invention;
FIG. 2 is a schematic wiring diagram of an integrated test system of an embodiment of the present invention;
FIG. 3 is a perspective view of the integrated test system according to the embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a structural diagram of an integrated test system according to an embodiment of the present invention.
As shown in fig. 1, the integrated test system 100 includes:
a voltage collecting part 110 and a current collecting part 120;
an operation unit 130 that displays a plurality of test types and generates an operation instruction in response to an operation by a user;
a control unit 140 that generates a switching command based on the operation command;
a switching unit 150 that changes a sampling position of the voltage sampling unit 110 and/or the current sampling unit 120 on the electrical device 200 as a test target in accordance with the switching instruction to switch a test type; and
and an analysis unit 160 for analyzing the detection result of the voltage acquisition unit and/or the current acquisition unit after the sampling position is changed, thereby obtaining a test result.
Therefore, when testing is required to be carried out based on different testing types of the electrical equipment, a user carries out selection operation according to a plurality of displayed testing types, the sampling positions of the voltage acquisition part and/or the current acquisition part on the electrical equipment are changed in response to the operation of the user so as to switch the testing types, and the analysis part carries out analysis based on the switched testing types, so that the different testing types can be conveniently switched through one testing system without dismantling and rebuilding the testing system, and the testing efficiency is greatly improved; in addition, the same test system is used for testing, so that the problem of electromagnetic compatibility (EMC) and the problem of inconsistent test environment are solved, and the accuracy of the test result is ensured.
In the embodiment of the present invention, the integrated test system 100 may test various electrical devices, for example, the electrical device as a test object is an ac servo system. However, the present invention does not limit the kind of the test object. For example, a single/three-phase switching power supply can also be applied to the system for power analysis.
In the embodiment of the present invention, the voltage collecting part 110 and the current collecting part 120 are used to collect voltage and current, for example, to sample different sampling positions of the electrical apparatus as a test object, including, for example, wires drawn from respective terminals on different parts of the electrical apparatus and different positions on the wires.
In the embodiment of the present invention, the voltage collecting part 110 and the current collecting part 120 may adopt various types of collecting elements, for example, the voltage collecting part 110 includes at least one voltage sensor, and the current collecting part 120 includes at least one current loop.
The specific number of voltage sensors and current loops may be determined according to actual needs, for example, according to the type of test to be tested.
In the embodiment of the present invention, the operation unit 130 displays a plurality of test types that can be supported by the test system for selection by the user, and generates an operation instruction in response to the user's operation after the user performs a selection operation.
For example, the operation unit 130 includes a touch panel on which a plurality of test types are displayed, and generates an operation instruction in response to a touch operation by a user after the user performs the touch operation on the test type to be selected. The operation command is, for example, a command for instructing the control unit to which test type the control unit needs to switch.
Therefore, the user can conveniently switch among various test types through touch operation on the touch screen, and the test convenience is further improved.
In the embodiment of the present invention, the operation unit 130 or the analysis unit 160 may further display the test result.
Therefore, the user can clearly and timely obtain the test result, and the use convenience of the test system is further improved.
For example, the analysis section 160 has a display screen that displays the test result.
In the embodiment of the present invention, the analysis part 160 may include a power analyzer capable of calculating various powers from the current and the voltage. For example, the output power of the servo driver is calculated.
In an embodiment of the present invention, the control unit 140 may include a Programmable Logic Controller (PLC), so that the PLC can conveniently generate a switching command and control the switching unit 150.
In the embodiment of the present invention, the switching unit 150 includes a plurality of contactors or a plurality of relays to switch on and off the connection path where the contactor is located according to the switching command, and thus, the switching of the connection path is performed by the contactor, and the test requirement of the electrical equipment with a large current can be met.
For example, in high power and high current applications, multiple contactors may be used, while in low power and low current applications, multiple relays may be used.
For example, in order to meet the test requirements of currents of 25A or more, switching is performed using a plurality of contactors.
For example, for testing of currents below 25A, multiple relays may be used for switching. For another example, in a low power system, such as a system test with power below 750W, multiple relays may be used for switching.
For example, after each terminal of the electrical device to be tested is connected to the voltage collecting unit 110 and/or the current collecting unit 120 by a lead wire, each terminal is connected to each terminal on a stud connected to the analyzing unit 160 by a lead wire to form a plurality of connection paths, and the plurality of contactors are provided in at least a part of the connection paths to control the connection and disconnection of the at least a part of the connection paths.
The plurality of contactors can be used for switching on or switching off each connection path in at least one part of connection paths according to a switching instruction of the programmable logic controller so as to switch the sampling position of the voltage acquisition part and/or the current acquisition part on the test object.
Hereinafter, a test system according to an embodiment of the present invention will be described as an example, taking a test object as an ac servo system. However, the test object of the test system of the embodiment of the present invention is not limited to the alternating current servo system, and it is possible to test various electric devices having a plurality of test types.
FIG. 2 is a schematic wiring diagram of an integrated test system according to an embodiment of the present invention. As shown in fig. 2, the test object of the integrated test system is an ac servo system including a power supply unit, a servo driver, and a servo motor platform, the L1, L2, and L3 terminals represent three-phase input terminals, the FG terminal represents a ground terminal, and the U, V, and W terminals represent three-phase output terminals; C1-C5 represent current loops, and T1-T8 represent contactors. The test type is switched by switching the sampling positions of the voltage and the current. For example, a voltage sensor is used as a voltage collecting part, a current loop is used as a current collecting part, and a programmable logic controller controls the state (ON/OFF) of each contactor according to the test type selected by a user and controls the state (ON/OFF) of the current loop, so that the states are switched among different test types to collect voltages and currents at different positions. Table 1 shows the states of the contactors T1 to T8 and the current loops C1 to C5 corresponding to the test type 1 and the test type 2, respectively.
TABLE 1
| Contactor/current loop | Test type 1 | Test type 2 |
| T1 | ON | OFF |
| T2 | OFF | ON |
| T3 | ON | OFF |
| T4 | OFF | ON |
| T5 | OFF | ON |
| T6 | ON | OFF |
| T7 | OFF | ON |
| T8 | ON | OFF |
| C1 | ON | OFF |
| C2 | ON | ON |
| C3 | OFF | ON |
| C4 | ON | ON |
| C5 | ON | ON |
As shown in table 1, by controlling the states of the contactors T1 to T8 and the current loops C1 to C5, switching to the test type 1 is performed, and in the test type 1, the collected voltages are a voltage between the terminal L1 and the terminal L2, a voltage between the terminal L3 and the terminal L2, a voltage between the terminal U and the terminal V, and a voltage between the terminal W and the terminal V, and the collected currents are a current between the terminal L1 (a current on the L1 line), a current between the terminal L3 (a current on the L3 line), a current between the terminal U (a current on the U line), and a current between the terminal W (a current on the W line). By controlling the states of the contactors T1 to T8 and the current loops C1 to C5, switching is made to test type 2, and in test type 2, the voltages taken are the voltage between the terminal U and the terminal V, the voltage between the terminal U and the terminal W, and the voltage between the terminal W and the terminal V, and the currents taken are the current between the terminal U (the current on the U-line), the current between the terminal V (the current on the V-line), and the current between the terminal W (the current on the W-line).
Different test results can be obtained by collecting voltages and currents at different positions and inputting the voltages and the currents into the power analyzer through the connecting stud to be connected with the lead.
In an embodiment of the present invention, the contactors T1-T8 may be provided with default states, for example, the states of the contactors T1-T8 in test type 1 in Table 1 are taken as their default states.
FIG. 3 is a perspective view of the integrated test system according to the embodiment of the present invention. As shown in fig. 3, the integrated test system 100 includes:
a cabinet 170 accommodating the voltage collecting part, the current collecting part, the operating part 130, the control part, the switching part, and the analyzing part; and
and a lifting structure 180 for carrying the cabinet 170 and lifting the cabinet.
In fig. 3, the operating part 130 exposing the screen is shown, and the voltage collecting part, the current collecting part, the control part, the switching part, and the analyzing part are disposed inside the cabinet 170 and are not shown.
Like this, through setting up elevation structure 180, can satisfy the user demand in the not co-altitude occasion, the operating personnel of being convenient for operates test system.
For example, as shown in fig. 3, the lifting structure 180 has a folding structure 181 that can be folded in the up-down direction and a platform 182. In this way, stable support can be achieved.
In an embodiment of the present invention, as shown in fig. 3, the integrated test system 100 may further include:
and a universal wheel 190 disposed at the bottom of the elevating structure 180.
In this way, the integrated test system 100 can be easily moved to a desired use.
According to the embodiment, when testing is required to be performed based on different testing types of the electrical equipment, a user performs selection operation according to a plurality of displayed testing types, the sampling positions of the voltage acquisition part and/or the current acquisition part on the electrical equipment are changed in response to the operation of the user so as to switch the testing types, and the analysis part performs analysis based on the switched testing types, so that the different testing types can be conveniently switched through one testing system without dismounting and rebuilding the testing system, and the testing efficiency is greatly improved; in addition, the same test system is used for testing, so that the problem of electromagnetic compatibility (EMC) and the problem of inconsistent test environment are solved, and the accuracy of the test result is ensured.
The above devices and methods of the present invention can be implemented by hardware, or can be implemented by hardware and software. The present invention relates to a computer-readable program which, when executed by a logic section, enables the logic section to realize the above apparatus or constituent section, or to realize the above various methods or steps.
The present invention also relates to a storage medium such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like, for storing the above program.
While the utility model has been described with reference to specific embodiments, it will be apparent to those skilled in the art that these descriptions are illustrative and not intended to limit the scope of the utility model. Various modifications and alterations of this invention will become apparent to those skilled in the art based upon the spirit and principles of this invention, and such modifications and alterations are also within the scope of this invention.
Claims (10)
1. An integrated test system, comprising:
a voltage acquisition part and a current acquisition part;
an operation unit that displays a plurality of test types and generates an operation instruction in response to an operation by a user;
a control unit that generates a switching command based on the operation command;
a switching unit that changes a sampling position of the voltage acquisition unit and/or the current acquisition unit on an electrical device to be tested, in accordance with the switching instruction, to switch the test type; and
and the analysis part is used for analyzing the detection result of the voltage acquisition part and/or the current acquisition part after the sampling position is changed to obtain a test result.
2. The integrated test system of claim 1,
the operating part comprises a touch screen and a control part,
and the touch screen responds to the touch operation of a user and generates the operation instruction.
3. The integrated test system of claim 1 or 2,
the operation section or the analysis section further displays the test result.
4. The integrated test system of claim 1,
the control part comprises a programmable logic controller, and the switching part comprises a plurality of contactors or a plurality of relays.
5. The integrated test system of claim 4,
the electrical equipment as a test object is connected with the voltage acquisition part and/or the current acquisition part through leads respectively, and then is connected with each terminal on the wiring stud through leads to form a plurality of connection paths,
the connection stud is connected to the analysis unit,
the plurality of contactors or the plurality of relays are provided in at least a part of the plurality of connection paths, and control on and off of the at least a part of the connection paths.
6. The integrated test system of claim 5,
and the plurality of contactors or the plurality of relays are used for switching on or off each of the at least one part of the connection paths according to a switching instruction of the programmable logic controller so as to switch the sampling positions of the voltage acquisition part and/or the current acquisition part on the test object.
7. The integrated test system of claim 1,
the voltage acquisition part comprises at least one voltage sensor, the current acquisition part comprises at least one current loop,
the analysis section includes a power analyzer.
8. The integrated test system of claim 1,
the electric device as the test object is an alternating current servo system,
the alternating current servo system comprises a power supply part, a servo driver and a servo motor platform.
9. The integrated test system of claim 1, further comprising:
a cabinet accommodating the voltage collecting part, the current collecting part, the operating part, the control part, the switching part, and the analyzing part; and
and the lifting structure bears the cabinet body and lifts the cabinet body.
10. The integrated test system of claim 9, further comprising:
and the universal wheel is arranged at the bottom of the lifting structure.
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| CN202220035434.5U CN216900805U (en) | 2022-01-07 | 2022-01-07 | Integrated test system |
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| CN202220035434.5U CN216900805U (en) | 2022-01-07 | 2022-01-07 | Integrated test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116699079A (en) * | 2023-08-08 | 2023-09-05 | 四川空分设备(集团)有限责任公司 | Ultralow-temperature gas experiment platform and working method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116699079A (en) * | 2023-08-08 | 2023-09-05 | 四川空分设备(集团)有限责任公司 | Ultralow-temperature gas experiment platform and working method thereof |
| CN116699079B (en) * | 2023-08-08 | 2023-11-24 | 四川空分设备(集团)有限责任公司 | Ultralow-temperature gas experiment platform and working method thereof |
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