CN216485436U - Testing device and system - Google Patents
Testing device and system Download PDFInfo
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- CN216485436U CN216485436U CN202122706563.0U CN202122706563U CN216485436U CN 216485436 U CN216485436 U CN 216485436U CN 202122706563 U CN202122706563 U CN 202122706563U CN 216485436 U CN216485436 U CN 216485436U
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- power supply
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- conversion module
- supply conversion
- system controller
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Abstract
The application provides a testing arrangement and system, belongs to mechanical design technical field, and the device is including power supply conversion module, power module, analog load module, switching cable and system controller. The method and the device can be automatically controlled by a program to finish the power quality performance test of a direct current working system and the power quality test of an alternating current working system.
Description
Technical Field
The application relates to the technical field of mechanical design, in particular to a testing device and a testing system.
Background
In the technical field of electronic product testing, a testing device is mainly used for completing power quality performance testing of a direct current working system and power quality testing under an alternating current working system.
The existing testing device mainly takes a personal computer as a center and is matched with other peripheral acquisition circuits and control circuits, but the device has large volume and is inconvenient to transport; the internal system is complex and difficult to maintain; the mutual independence is not strong, and the mutual influence is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems of large volume, inconvenient transportation, complex internal system, difficult maintenance, weak mutual independence and mutual influence in the prior art, the application provides a testing device and a testing system, and the technical scheme is as follows:
in a first aspect, a test apparatus is provided, including: a power supply conversion module, a power supply module, an analog load module, a transfer cable and a system controller, wherein the power supply conversion module comprises a relay,
the power supply conversion module is electrically connected with the power supply module, the analog load module, the transfer cable and the system controller respectively; the switching cable is respectively and electrically connected with the analog load module, the power supply module and the system controller;
the system controller is to:
comparing the electric signal output by the power supply conversion module with a preset electric signal;
when the electric signal output by the power supply conversion module is different from a preset electric signal, the switching cable controls the power supply module to output the voltage value of the power supply conversion module, and controls the analog load module to output the load value of the power supply conversion module, so that the voltage of the power supply conversion module is changed;
the power supply conversion module is used for outputting a feedback signal to the system controller through the power supply module, wherein the feedback signal comprises a changed voltage value.
Optionally, the power supply conversion module includes a power supply switching circuit and a signal conditioning circuit.
Optionally, the power module comprises a programmable ac/dc power supply and a programmable dc regulated power supply.
Optionally, the analog load module comprises an electronic load and a voltage signal calibration module.
Optionally, the analog load module includes a resistive load and a voltage signal calibration module.
In a second aspect, a test system is provided, comprising: a test device and a product to be tested,
the testing device is the testing device of the first aspect.
The method can be automatically controlled by a program to finish the power quality performance test of the direct current working system and the power quality test of the alternating current working system; the problems of large volume and inconvenient transportation are solved; the internal system is complex and difficult to maintain; the mutual independence is not strong, and the mutual influence is caused.
Drawings
Fig. 1 is a schematic diagram of a testing apparatus provided in the present application.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.
The present application provides a test apparatus, as shown in fig. 1, comprising: a power supply conversion module, a power supply module, an analog load module, a switching cable and a system controller, wherein the power supply conversion module comprises a relay,
the power supply conversion module is electrically connected with the power supply module, the analog load module, the transfer cable and the system controller respectively; the switching cable is respectively and electrically connected with the analog load module, the power supply module and the system controller;
the system controller is to:
comparing the electric signal output by the power supply conversion module with a preset electric signal;
when the electric signal output by the power supply conversion module is different from the preset electric signal, the voltage value output to the power supply conversion module by the power supply module is controlled through the adapter cable, and the load value output to the power supply conversion module by the analog load module is controlled through the adapter cable, so that the voltage of the power supply conversion module is changed;
the power supply conversion module is used for outputting a feedback signal to the system controller through the power supply module, and the feedback signal comprises a changed voltage value.
In the application, the power quality performance test of the direct current working system and the power quality test of the alternating current working system can be completed through automatic program control; the problems of large volume and inconvenient transportation are solved; the internal system is complex and difficult to maintain; the mutual independence is not strong, and the mutual influence is caused.
The application provides a testing device, includes: a power supply conversion module, a power supply module, an analog load module, a switching cable and a system controller, wherein the power supply conversion module comprises a relay,
the power supply conversion module is electrically connected with the power supply module, the analog load module, the transfer cable and the system controller respectively; the switching cable is respectively and electrically connected with the analog load module, the power supply module and the system controller;
the system controller is to:
comparing the electric signal output by the power supply conversion module with a preset electric signal;
when the electric signal output by the power supply conversion module is different from the preset electric signal, the voltage value output to the power supply conversion module by the power supply module is controlled through the adapter cable, and the load value output to the power supply conversion module by the analog load module is controlled through the adapter cable, so that the voltage of the power supply conversion module is changed;
the power supply conversion module is used for outputting a feedback signal to the system controller through the power supply module, and the feedback signal comprises a changed voltage value.
The power supply conversion module comprises a power supply switching circuit and a signal conditioning circuit, wherein the signal conditioning circuit converts the voltage passing through the switching circuit into a digital signal circuit for digital acquisition, control process, execution of calculation, display and reading or other purposes.
The main functions are as follows:
1) the power supply channel on-off control function is realized;
2) the testing and control signal switching and conditioning functions are realized;
3) the device has the function of displaying important signals in real time;
4) has the function of program control;
5) it has overcurrent protection, protection circuit and isolation protection measures.
The power module comprises a programmable high-quality alternating current and direct current power supply and a high-precision programmable direct current stabilized power supply. The two power supplies are mutually independent and provide electric signals in different forms according to the test requirements.
The main functions are as follows:
1) the function of providing different forms of electric signals such as DC, AC, DC + AC and the like is provided;
2) has the function of program control;
3) the function of editing the waveform of the output electric signal is provided;
4) the protection functions of overcurrent, overvoltage, overpower, overheating and the like are realized;
5) the device has the functions of testing distorted frequency spectrum and waveform;
on one hand, the analog load module comprises an electronic load and a voltage signal calibration module, wherein the voltage signal calibration module can accurately detect the voltage of the electronic load and accurately adjust the current of the electronic load, so that the power generated by the whole analog load module meets the test requirement;
on the other hand, the simulation load module comprises a resistive load and a voltage signal calibration module, wherein the voltage signal calibration module can accurately detect the voltage of the resistive load and accurately adjust the resistance value of the resistive load, so that the resistance value provided by the whole simulation load module meets the test requirement;
in yet another aspect, the analog load module may include an electronic load, a resistive load, and a voltage signal calibration module. The voltage signal calibration module can accurately detect the voltage of the load and accurately adjust the two loads, so that the whole simulation load module meets the test requirements of constant power, constant current or constant resistance value;
the main functions are as follows:
1) has the function of program control;
2) the loading environment of the existing product can be simulated;
3) the protection circuit has the functions of overcurrent, overvoltage, overpower and overheating protection;
4) voltage and current real-time acquisition and display functions;
the present application further provides a test system, comprising: the device comprises a testing device and a product to be tested, wherein the testing device is the testing device shown in figure 1.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Claims (6)
1. A test apparatus, comprising: a power supply conversion module, a power supply module, an analog load module, a switching cable and a system controller, wherein the power supply conversion module comprises a relay,
the power supply conversion module is electrically connected with the power supply module, the analog load module, the transfer cable and the system controller respectively; the switching cable is respectively and electrically connected with the analog load module, the power supply module and the system controller;
the system controller is to:
comparing the electric signal output by the power supply conversion module with a preset electric signal;
when the electric signal output by the power supply conversion module is different from a preset electric signal, the switching cable controls the power supply module to output the voltage value of the power supply conversion module, and controls the analog load module to output the load value of the power supply conversion module, so that the voltage of the power supply conversion module is changed;
the power supply conversion module is used for outputting a feedback signal to the system controller through the power supply module, wherein the feedback signal comprises a changed voltage value.
2. The apparatus of claim 1,
the power supply conversion module comprises a power supply switching circuit and a signal conditioning circuit.
3. The apparatus of claim 1,
the power module comprises a programmable alternating current and direct current power supply and a programmable direct current stabilized power supply.
4. The apparatus of claim 1,
the analog load module comprises an electronic load and a voltage signal calibration module.
5. The apparatus of claim 1,
the analog load module comprises a resistive load and a voltage signal calibration module.
6. A test system, comprising: a test device and a product to be tested,
the test device according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122706563.0U CN216485436U (en) | 2021-11-05 | 2021-11-05 | Testing device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122706563.0U CN216485436U (en) | 2021-11-05 | 2021-11-05 | Testing device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216485436U true CN216485436U (en) | 2022-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122706563.0U Active CN216485436U (en) | 2021-11-05 | 2021-11-05 | Testing device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216485436U (en) |
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2021
- 2021-11-05 CN CN202122706563.0U patent/CN216485436U/en active Active
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