CN215116573U - Capacitor aging test system - Google Patents
Capacitor aging test system Download PDFInfo
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- CN215116573U CN215116573U CN202121270702.3U CN202121270702U CN215116573U CN 215116573 U CN215116573 U CN 215116573U CN 202121270702 U CN202121270702 U CN 202121270702U CN 215116573 U CN215116573 U CN 215116573U
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Abstract
The utility model belongs to the technical field of the condenser testing arrangement, especially, relate to a condenser aging testing system. It includes a plurality of display module and control module, and each display module connects a plurality of to be measured condenser that insert the three-phase thread and forms detection loop, and control module connects display module for the polling switching control condenser, control module are including the current detection module who is used for detecting the three-phase thread current parameter, the utility model is used for solve the problem that condenser efficiency of software testing is low. Each capacitor is controlled to be on-line through polling switching, then current parameters of a three-phase main line are detected according to the current detection module, so that the current parameters of the on-line capacitors are obtained, switching tests of the automatically controlled capacitors are performed through the control module, and meanwhile, the parameters of all tested capacitors can be collected for subsequent analysis, so that the problem that one test record is low in efficiency is solved.
Description
Technical Field
The utility model belongs to the technical field of the condenser testing arrangement, especially, relate to a condenser aging testing system.
Background
The intelligent power capacitor can leave a factory after being aged and tested after being produced, and the assembled capacitor is sent to an aging workshop for testing.
At present, the aging device used conventionally is inconvenient to check due to the fact that the aging device is unreasonable in design, frequent moving, complex wiring and states during device testing are needed, at present, many parameters and states after aging testing of the capacitor need to be recorded and checked, and recording of measured data needs to be completed through manual recording of testers one by one, so that the efficiency of the testers is low, and the testing process is complex.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the embodiment of the application lies in overcoming the defects of the prior art, and the capacitor aging test system is used for solving the problem of low test efficiency of the capacitor.
The technical scheme for solving the technical problems in the embodiment of the application is as follows: a capacitor aging test system, comprising:
each display module is connected with a plurality of capacitors to be detected connected with a three-phase main line to form a detection loop, and the display modules are used for displaying the state information of the capacitors;
and the control module is connected with the display module and used for controlling the capacitor in a polling switching manner, and the control module comprises a current detection module for detecting current parameters of the three-phase main line.
Compared with the prior art, the technical scheme has the following beneficial effects:
each capacitor is controlled to be on-line through polling switching, then current parameters of a three-phase main line are detected according to the current detection module, so that the current parameters of the on-line capacitors are obtained, switching tests of the automatically controlled capacitors are performed through the control module, and meanwhile, the parameters of all tested capacitors can be collected for subsequent analysis, so that the problem that one test record is low in efficiency is solved.
Furthermore, the control module comprises a main control system, and the main control system is connected with the display module and used for sending a polling switching control signal to the capacitor;
the current detection module is connected with the main control system and used for sending current parameters to the main control system.
Furthermore, the control module comprises a plurality of control buttons connected to the master control system, and the control buttons are arranged corresponding to the detection loop and used for controlling the on-off of the detection loop.
Through the control button that corresponds the setting with the detection return circuit, realize the control to every detection return circuit break-make, guarantee that every detection return circuit can all go on in proper order, improve detection efficiency, improve system device's security, convenience.
Further, the control module comprises a control panel connected to the main control system, and the control panel is used for displaying the capacitor state information and inputting a control signal to the main control system.
The control panel can be used for setting control parameters and displaying measured parameters, switching times, switching time and the like in real time, so that the intuitiveness of online monitoring is effectively improved, and the man-machine interaction of the whole testing system is realized.
Furthermore, the master control system is connected with an output interface module for outputting the test parameters of the capacitor to be tested to an external module.
The capacitor parameters measured in the main control system can be output to terminals such as an external computer and the like through the output interface module to be displayed and recorded in real time or printed out, so that subsequent archive looking up is provided, and the visualization, convenience and traceability of the test system are improved.
Further, the current detection module comprises a current transformer, and the current transformer is sleeved on the three-phase main line;
and the AD conversion module is connected with the current transformer and the master control system.
Further, the display module comprises an electrifying state indicator lamp and an output state indicator lamp which are arranged corresponding to the capacitor.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. through the display module, all states when will ageing tests show through the status indicator lamp to through 485 bus with all data transfer during ageing tests to the control module, 8 testees that await measuring all can be connected to every display module, every testee that await measuring passes through 485 bus polling switching, until all testees that await measuring are put in and are cut. The switching times, switching time and the like of each capacitor can be set through a control panel on the control module.
2. And a control module is added to control the power supply of each aging test product. The power supply of each path of the object to be tested is controlled through the control button, and the safety and the convenience of the system device are improved. The current value of the tested object is sampled by the A/D conversion module and then sent to the main control system, the FFT algorithm is carried out, the corresponding current peak value, the average value and the inrush current value are calculated, and the corresponding value is displayed through the control panel. Or connected to the computer end through the RS232 interface, and prints out the relevant test parameters (current peak value, average value and inrush current value) of the tested object. Three control buttons in the control module can respectively start the start and stop operation of the three detection loops.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of the overall structure according to the embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Examples
As shown in fig. 1, the embodiment of the utility model provides a capacitor aging testing system, it includes three display module and a control module, and control module can set up in a switch board, each the display module connects eight to be measured condenser that insert three-phase thread and forms detection loop, display module is used for showing condenser state information control module passes through 485 bus connection display module is used for the polling switching control the condenser, equally, display module passes through 485 bus connection condenser, control module is including being used for detecting the current detection module of three-phase thread current parameter.
Each capacitor is controlled to be on-line through polling switching, then current parameters of a three-phase main line are detected according to the current detection module, so that the current parameters of the on-line capacitors are obtained, switching tests of the automatically controlled capacitors are performed through the control module, and meanwhile, the parameters of all tested capacitors can be collected for subsequent analysis, so that the problem that one test record is low in efficiency is solved.
The control module comprises a main control system, the main control system can be composed of a single chip microcomputer similar to STM32F103VCT6 and peripheral circuits, the main control system is connected with the display module and used for sending polling switching control signals to the capacitor, and the current detection module is connected with the main control system and used for sending current parameters to the main control system.
The current detection module comprises a current transformer and an AD conversion module, the current transformer is sleeved on a three-phase main line, the AD conversion module is connected with the current transformer and the main control system, and information collected by the current transformer is converted and then transmitted to the main control system.
The control module comprises three groups of control buttons connected to the master control system, the control buttons correspond to the detection loops and are used for controlling the on-off of the detection loops, namely three groups of control buttons corresponding to the three detection loops in the control module respectively, the on-off switching control of each detection loop is realized through the control buttons, the on-off control of each detection loop is realized through the control buttons corresponding to the detection loops, the on-off control of each detection loop is ensured, each detection loop can be carried out in sequence, the detection efficiency is improved, and the safety and the convenience of the system device are improved.
The control module is including being connected to master control system's control panel, control panel is used for showing condenser state information and input control signal extremely master control system, control panel specifically are the input that the touch-sensitive screen is used for showing parameter signal and control command, can carry out the setting of control parameter through control panel and survey parameter, switching number of times, switching time etc. show in real time, effectively improve on-line monitoring's intuition, realize whole test system's human-computer interaction.
The master control system is connected with an output interface module, and the output interface module can adopt RS232 to be used for connecting equipment such as an external computer and the like and outputting the test parameters of the capacitor to be tested to the external module.
The capacitor parameters measured in the main control system can be output to terminals such as an external computer and the like through the output interface module to be displayed and recorded in real time or printed out, so that subsequent archive looking up is provided, and the visualization, convenience and traceability of the test system are improved.
The display module comprises 8 power-on state indicator lamps and output state indicator lamps which are arranged corresponding to the capacitors, the power-on state indicator lamps and the output state indicator lamps correspond to 8 capacitors in the detection circuit corresponding to the display module, and the power-on state indicator lamps and the output state indicator lamps are used for displaying the power-on state and the output signal state of each capacitor.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. through the display module, all states when will ageing tests show through the status indicator lamp to through 485 bus with all data transfer during ageing tests to the control module, 8 testees that await measuring all can be connected to every display module, every testee that await measuring passes through 485 bus polling switching, until all testees that await measuring are put in and are cut. The switching times, switching time and the like of each capacitor can be set through a control panel on the control module.
2. And a control module is added to control the power supply of each aging test product. The power supply of each path of the object to be tested is controlled through the control button, and the safety and the convenience of the system device are improved. The current value of the tested object is sampled by the A/D conversion module and then sent to the main control system, the FFT algorithm is carried out, the corresponding current peak value, the average value and the inrush current value are calculated, and the corresponding value is displayed through the control panel. Or connected to the computer end through the RS232 interface, and prints out the relevant test parameters (current peak value, average value and inrush current value) of the tested object. Three control buttons in the control module can respectively start the start and stop operation of the three detection loops.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. A capacitor burn-in test system, comprising:
each display module is connected with a plurality of capacitors to be detected connected with a three-phase main line to form a detection loop, and the display modules are used for displaying the state information of the capacitors;
and the control module is connected with the display module and used for controlling the capacitor in a polling switching manner, and the control module comprises a current detection module for detecting current parameters of the three-phase main line.
2. The capacitor aging test system according to claim 1, wherein the control module comprises a main control system, and the main control system is connected with the display module and used for sending a polling switching control signal to the capacitor;
the current detection module is connected with the main control system and used for sending current parameters to the main control system.
3. The capacitor aging test system according to claim 2, wherein the control module comprises a plurality of control buttons connected to the main control system, and the control buttons are arranged corresponding to the detection loop and used for controlling the on/off of the detection loop.
4. The capacitor burn-in system of claim 2, wherein the control module comprises a control panel connected to the host system, the control panel being configured to display the capacitor status information and input control signals to the host system.
5. The aging test system for capacitors as claimed in claim 2, wherein the master control system is connected to an output interface module for outputting the test parameters of the capacitor to be tested to an external module.
6. The capacitor aging test system according to claim 2, wherein the current detection module comprises a current transformer, the current transformer being sleeved on a three-phase main line;
and the AD conversion module is connected with the current transformer and the master control system.
7. The capacitor burn-in system of claim 1, wherein the display module includes a power-on status indicator light and an output status indicator light disposed in correspondence with the capacitor.
Priority Applications (1)
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CN202121270702.3U CN215116573U (en) | 2021-06-07 | 2021-06-07 | Capacitor aging test system |
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CN202121270702.3U CN215116573U (en) | 2021-06-07 | 2021-06-07 | Capacitor aging test system |
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2021
- 2021-06-07 CN CN202121270702.3U patent/CN215116573U/en active Active
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