CN220933158U - Automatic power parameter testing device - Google Patents
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- CN220933158U CN220933158U CN202322372542.9U CN202322372542U CN220933158U CN 220933158 U CN220933158 U CN 220933158U CN 202322372542 U CN202322372542 U CN 202322372542U CN 220933158 U CN220933158 U CN 220933158U
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Abstract
The utility model relates to the technical field of power supply testing, in particular to an automatic power supply parameter testing device, which comprises: the intelligent cabinet temperature control system comprises a cabinet body, an industrial personal computer arranged in the cabinet body and a parameter testing module; the parameter testing module comprises a programmable power supply, an acquisition unit, a voltage dividing unit, a testing unit and an electronic load, wherein the programmable power supply is used for providing power input for the power supply to be tested; the first programmable power supply is connected in series between the industrial personal computer and an input terminal of a first power supply to be tested; the first electronic load is connected in series between the industrial personal computer and an output terminal of the first power supply to be tested; the first test unit is connected in series between the acquisition unit and the first voltage dividing unit; the output end of the acquisition unit is connected with the industrial personal computer; the input end of the first voltage dividing unit is connected with the output end of a first power supply to be tested; the technical effects of improving the testing efficiency of operators and avoiding the damage of the tested power supply caused by human errors such as wiring errors are achieved, and a testing platform is not required to be repeatedly built for different types of power supplies.
Description
Technical Field
The utility model relates to the technical field of power supply testing, in particular to an automatic power supply parameter testing device.
Background
In industrial manufacturing industries such as power stations, chemical plants, and automobile plants, various types of power supplies (AC/AC, AC/DC, DC/AC) of different voltage levels are used in large numbers for meters and their control systems. Maintenance personnel are required to periodically detect the operation parameters of the power supply, evaluate the performance aging and maintain the fault location.
In order to solve the problems of multiple power supply voltage levels, multiple types and multiple performance parameters to be tested, the traditional power supply testing mode needs to continuously change and use testing tools such as multiple universal meters, oscilloscopes, LCR testers, external power supplies and the like, a testing platform needs to be built according to tested power supplies of different types and voltage levels, repeated disconnection and wiring lead to low testing efficiency, and damage to the power supplies to be tested possibly caused by risks such as disconnection and wiring errors and the like.
Disclosure of utility model
The utility model aims to provide an automatic power parameter testing device.
The technical scheme adopted for solving the technical problems is as follows: an automatic power parameter testing device is constructed. The power parameter automatic test device is applied to automatically testing power parameters of at least two power supplies to be tested.
In the automatic power parameter testing device of the present utility model, the automatic power parameter testing device includes: the intelligent cabinet temperature control system comprises a cabinet body, an industrial personal computer arranged in the cabinet body and a parameter testing module;
The parameter test module comprises at least two program-controlled power supplies for providing power input for the power supply to be tested, at least one acquisition unit, at least two voltage dividing units, at least two test units and at least two electronic loads for providing load conditions;
The first programmable power supply is directly connected in series between the industrial personal computer and an input terminal of a first power supply to be tested; the first electronic load is directly connected in series between the industrial personal computer and the output terminal of the first power supply to be tested; the first test unit is connected in series between the acquisition unit and the first voltage dividing unit; the output end of the acquisition unit is connected with the industrial personal computer; the input end of the first voltage dividing unit is connected with the output end of the first power supply to be tested;
The second programmable power supply is directly connected in series between the industrial personal computer and an input terminal of a second power supply to be tested; the second electronic load is directly connected in series between the industrial personal computer and the output terminal of the first power supply to be tested; the second test unit is connected in series between the acquisition unit and the second voltage division unit; the output end of the acquisition unit is connected with the industrial personal computer; and the input end of the second voltage division unit is connected with the output end of the second power supply to be tested.
In the automatic power parameter testing device of the present utility model, the first voltage dividing unit includes:
a first voltage dividing subunit for dividing the output signal of the first power supply to be measured;
and the second voltage division subunit is used for dividing and filtering the output signal of the first power supply to be tested:
The first voltage dividing subunit is connected in series between the output end of the first power supply to be tested and the first test unit;
The second voltage division subunit is connected in series between the output end of the first power supply to be tested and the acquisition unit.
In the automatic power parameter testing device of the present utility model, the collecting unit includes:
The first acquisition subunit is used for respectively acquiring the test signals output by the first test unit and the second test unit and sending the test signals to the first acquisition subunit of the industrial personal computer;
the first acquisition subunit is connected in series between the first test unit and the industrial personal computer, and between the second test unit and the industrial personal computer.
The acquisition unit further comprises: a second acquisition subunit for respectively acquiring and displaying the power supply ripples of the first power supply to be tested and the second power supply to be tested;
the second collecting subunit is directly connected in series between the industrial personal computer and the second voltage dividing subunit, and between the industrial personal computer and the second voltage dividing unit.
In the automatic power parameter testing device, the first acquisition subunit is a multifunctional IO acquisition card; the second acquisition subunit is a USB oscilloscope.
In the automatic power parameter testing device of the present utility model, the second voltage dividing unit further includes:
A third voltage dividing subunit for dividing the output signal of the second power supply to be measured;
And a fourth voltage dividing subunit for dividing and filtering the output signal of the second power supply to be measured:
the third voltage dividing subunit is connected in series between the output end of the second power supply to be tested and the second test unit;
The fourth voltage dividing subunit is connected in series between the output end of the second power supply to be detected and the second collecting subunit.
The automatic power parameter testing device further comprises an indicating module for indicating whether the first power to be tested and/or the second power to be tested have output signals or not;
The indication module is arranged on the cabinet body and is connected with the output end of the first power to be tested and/or the output end of the second power to be tested.
The automatic power parameter testing device also comprises a circuit breaker for performing leakage protection on the device;
The circuit breaker is respectively connected between the first programmable power supply and the first power supply to be tested and between the second programmable power supply and the second power supply to be tested;
When the circuit breaker trips, the input power supplies of the first power supply to be tested and the second power supply to be tested are disconnected.
The automatic power parameter testing device has the following beneficial effects: the full-parameter automatic test of various types of power supplies can be realized. The dual-channel power supply testing device has the advantages that the dual-channel design is realized, and when one or two power supplies to be tested of different types are tested, different testing tools do not need to be repeatedly disassembled, wired or transformed for the power supplies to be tested of different types and voltage levels so as to build different testing platforms. The technical effects of improving the testing efficiency of operators and avoiding the damage of the tested power supply caused by human errors such as wiring errors and the like are achieved.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a block diagram of an automatic power parameter testing apparatus according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an automatic power parameter testing device according to an embodiment of the present utility model.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
1-2, In an embodiment of the automatic power parameter testing device of the present utility model, the automatic power parameter testing device includes a cabinet, an industrial personal computer disposed in the cabinet, and a parameter testing module;
The parameter test module comprises at least two programmable power supplies for providing power input for a power supply to be tested, at least one acquisition unit, at least two voltage dividing units, at least two test units and at least two electronic loads for providing load conditions;
The first programmable power supply 6 is directly connected in series between the industrial personal computer 1 and an input terminal of a first power supply to be tested; the first electronic load 7 is directly connected in series between the industrial personal computer 1 and an output terminal of a first power supply to be tested; the first test unit is connected in series between the acquisition unit 18 and the first voltage dividing unit 19; the output end of the acquisition unit 18 is connected with the industrial personal computer 1; the input end of the first voltage dividing unit 19 is connected with the output end of a first power supply to be tested;
The second programmable power supply 8 is directly connected in series between the industrial personal computer 1 and an input terminal of a second power supply to be tested; the second electronic load 9 is directly connected in series between the industrial personal computer 1 and an output terminal of the first power supply to be tested; the second test unit is connected in series between the acquisition unit 18 and the second voltage division unit 20; the output end of the acquisition unit 18 is connected with the industrial personal computer 1; the input end of the second voltage division unit 20 is connected with the output end of the second power supply to be tested.
Specifically, the automatic power parameter testing device comprises a cabinet body, an industrial personal computer 1 and a parameter testing module. The industrial personal computer and the parameter testing module are arranged in the cabinet body. The industrial personal computer 1 realizes test data processing and signal control of the device. The parameter test module comprises at least two test circuits, and the two power supplies to be tested are respectively connected into the two test circuits of the parameter test module, so that the two power supplies to be tested with different types and grades or the same types and grades can be realized.
That is, the parameter testing module comprises at least two programmable power supplies for providing power input to the power supply to be tested, at least one acquisition unit, at least two voltage dividing units, at least two testing units and at least two electronic loads for providing load conditions; each test circuit comprises a programmable power supply for providing an input power supply for a power supply to be tested, an acquisition unit for acquiring test data, a voltage dividing unit for dividing the output voltage of the power supply to be tested, a test unit for realizing the test of each parameter and an electronic load for providing a load condition, so that the automatic test of each parameter of the power supply to be tested is achieved.
In one embodiment, the models and parameters of the industrial personal computer, the programmable power supply and the programmable electronic load are shown in the following tables 1, 2 and 3:
Table 1 Industrial computer
| Model number | HT173 BOX |
| CPU | 2.4G binuclear |
| Hard disk | 500G |
| USB2.0 quantity | 4 |
| Serial port number | 6 |
| Memory | 4G |
Table 2 programmable power supply
Table 3 program controlled electronic load
In some implementations, the first voltage dividing unit 19 includes: the first voltage dividing subunit divides the output signal of the first power supply to be tested; the second voltage division subunit divides and filters an output signal of the first power supply to be tested: the first voltage dividing subunit is connected in series between the output end of the first power supply to be tested and the first test unit; the second voltage dividing subunit is connected in series between the output end of the first power to be tested and the acquisition unit 18.
In some embodiments, acquisition unit 18 includes: test signals output by the first test unit and the second test unit are respectively collected and sent to a first collecting subunit of the industrial personal computer; the first acquisition subunit is connected in series between the first test unit and the industrial personal computer 1, and between the second test unit and the industrial personal computer 1. The second acquisition subunit is used for respectively acquiring and displaying power supply ripples of the first power supply to be detected and the second power supply to be detected; the second acquisition subunit is directly connected in series between the industrial personal computer 1 and the second voltage dividing subunit, and between the industrial personal computer 1 and the second voltage dividing unit.
In the specific embodiment provided by the utility model, the acquisition unit for acquiring the test signal and the data of the first power supply to be tested and the acquisition unit for acquiring the test signal and the data of the second power supply to be tested are the same, and the first acquisition subunit is a multifunctional IO acquisition card; the second acquisition subunit is a USB oscilloscope. The model and parameters of the multifunctional IO acquisition card and the USB oscilloscope are shown in the following tables 4 and 5:
Table 4 multifunctional IO acquisition card
Table 5USB oscilloscope
| Model number | U2701A |
| Number of channels | 2 |
| Bandwidth of a communication device | 100MHz |
| Sampling rate | 1Gsa/s |
| Resolution ratio | 8bit |
In some embodiments, the second voltage division unit 20 further includes: a third voltage dividing subunit for dividing the output signal of the second power supply to be measured; a fourth voltage dividing subunit for dividing and filtering the output signal of the second power supply to be measured: the third voltage dividing subunit is connected in series between the output end of the second power supply to be tested and the second test unit; the fourth voltage dividing subunit is connected in series between the output end of the second power supply to be tested and the acquisition unit.
Optionally, the automatic power parameter testing device may further include a second acquisition unit. When the first power source to be tested and the second power source to be tested are tested, the acquisition unit for acquiring the test signals and data of the first power source to be tested and the acquisition unit for acquiring the test signals and data of the second power source to be tested can be the same. Or the acquisition unit for acquiring the test signals and data of the first power supply to be tested and the acquisition unit for acquiring the test signals and data of the second power supply to be tested are not the same, namely the first acquisition unit acquires the test signals and data of the first power supply to be tested, and the second acquisition unit acquires the test signals and data of the second power supply to be tested.
The second acquisition unit further comprises: collecting a test signal output by the second test unit and sending the test signal to a third collecting subunit of the industrial personal computer; a fourth acquisition subunit for acquiring and displaying the power supply ripple of the second power supply to be detected; the third acquisition subunit is connected in series between the second test unit and the industrial personal computer; the fourth acquisition subunit is directly connected in series between the industrial personal computer and the fourth voltage dividing subunit.
Optionally, the third acquisition subunit is a multifunctional IO acquisition card; the fourth acquisition subunit is a USB oscilloscope.
In the automatic power parameter testing device provided by the embodiment of the utility model, the device also comprises an indicating module for indicating whether the first power to be tested and/or the second power to be tested have output signals or not; the indication module is arranged on the cabinet body and is connected with the output end of the first power supply to be tested and/or the output end of the second power supply to be tested.
Specifically, as shown in fig. 2, the indication module includes a first indication lamp and a second indication lamp; the first indicator light 3 indicates whether the first power supply to be tested has an output signal or not; the second indicator lamp 11 indicates whether the second power supply to be measured has an output signal.
In the automatic power parameter testing device provided by the embodiment of the utility model, the device also comprises a circuit breaker for performing leakage protection on the automatic power parameter testing device; the circuit breaker is respectively connected between the first programmable power supply 6 and the first power supply to be tested and between the second programmable power supply 8 and the second power supply to be tested; when the circuit breaker trips, the input power supplies of the first power supply to be tested and the second power supply to be tested are disconnected.
Specifically, a circuit breaker is arranged in the device, when the device leaks electricity, the circuit breaker trips, and the circuit between the first programmable power supply 6 and the first power supply to be tested is broken, and the circuit between the second programmable power supply 8 and the second power supply to be tested is broken. That is, the input power supplies of the first power supply to be tested and the second power supply to be tested are disconnected, so that the test is stopped emergently, the effect of leakage protection is achieved, and faults or damages of the power supplies to be tested can be avoided in time. It can be understood that the circuit breaker can also be arranged on the total input power line of the automatic power parameter testing device, and when the total input power supply is leaked, the circuit breaker is disconnected, so that the device is powered off, the test is stopped, and the effect of leakage protection is achieved.
Further, when the power supply to be tested is required to be tested, a total input power line of the automatic power parameter testing device is inserted, the automatic power parameter testing device is electrified, the circuit breaker with the leakage protection is closed, and the industrial personal computer, the multifunctional IO acquisition card and the USB oscilloscope are automatically started. And the power switch of the programmable power supply and the programmable electronic load is turned on, and the programmable power supply and the programmable electronic load are turned on.
In addition, in a specific embodiment, the automatic power parameter testing device further includes at least two measurement input ends and at least one measurement output end, wherein the measurement input ends and the measurement output ends are arranged on the cabinet body, and the two power supplies to be tested are respectively connected to perform testing. The measuring input end is electrically connected with the voltage dividing module; the measurement input end is electrically connected with the programmable power supply. The measurement output end is connected with the input end of the power supply to be measured, so that the input power supply is provided for the power supply to be measured after the automatic power parameter testing device is started; the measuring input end is connected with the output end of the power supply to be measured, and after the power supply to be measured is electrified, the power supply to be measured outputs a measuring power supply signal after signal processing and is transmitted to the device from the measuring input end of the device to carry out parameter testing.
In one embodiment, as shown in fig. 2, the industrial personal computer 1 includes a display screen for displaying test results and inputting operation instructions. The device also comprises a scram switch 5, when the scram switch 5 is disconnected, the automatic power parameter testing device is powered off, and the testing is stopped. The input end of the first power to be tested is connected to the power output terminal 4 of the automatic power parameter testing device arranged on the cabinet body through the testing wire, the positive output end of the first power to be tested is connected to the positive input end of the measurement input terminal 2 through the red wire, and the negative output end of the first power to be tested is connected to the negative input end of the measurement input terminal 2 through the black wire.
After the first power switch 13 of the first programmable power supply 6 is closed, the first programmable power supply 6 is started, the first programmable power supply provides power for a first power to be tested through the power output terminal 4, and voltage signals and current signals output after the first power to be tested is processed or converted are input to the automatic power parameter testing device through the power input terminal 2 so as to carry out parameter testing. After the program-controlled electronic load switch 14 is closed, the first program-controlled electronic load 7 is opened and provides a load condition for the test of the first power supply to be tested. The program-controlled power supply and the program-controlled electronic load both comprise display screens, and can be used for displaying data.
In addition, the input end of the second power to be tested is connected to the power output terminal 12 of the automatic power parameter testing device on the cabinet body through the testing wire, the positive output end of the second power to be tested is connected to the positive input end of the measurement input terminal 10 through the red wire, and the negative output end of the second power to be tested is connected to the negative input end of the measurement input terminal 10 through the black wire.
After a second power switch 15 of the second programmable power supply 8 is closed, the second programmable power supply 8 is opened, the second programmable power supply 8 provides power for a second power supply to be tested through a power output end 12, and a voltage signal and a current signal output by the second power supply to be tested after being processed or converted are input into a power parameter automatic testing device through a power input terminal 10 so as to carry out parameter testing. After the program-controlled electronic load switch 16 is closed, the second program-controlled electronic load 9 is opened and provides a load condition for the test of the second power supply to be tested. The program-controlled power supply and the program-controlled electronic load both comprise display screens, and can be used for displaying data.
The automatic power supply parameter testing device provided by the embodiment of the utility model is suitable for one-stop type parameter testing of various types of power supplies with different voltage levels, covers a power supply module with an input voltage range of 1-300 VAC alternating voltage and 1.4-424 VDC direct voltage, and covers output voltage level types of 5/12/24/48VDC commonly used in industrial manufacturing industries such as power stations, chemical plants, automobile factories and the like. And meets the testing requirements of all performance parameters of the power supply required by national standards and line standards.
It is to be understood that each embodiment is described in an incremental manner, and each embodiment is mainly described in a different manner from other embodiments, and identical and similar parts between the embodiments are referred to each other. The foregoing examples illustrate only a few embodiments of the present utility model and are described in detail herein without thereby limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (8)
1. The utility model provides a power parameter automatic testing device, is applied to carrying out power parameter automatic test to at least two power that await measuring, its characterized in that includes: the intelligent cabinet temperature control system comprises a cabinet body, an industrial personal computer arranged in the cabinet body and a parameter testing module;
The parameter test module comprises at least two program-controlled power supplies for providing power input for the power supply to be tested, at least two voltage dividing units, at least two test units, at least one acquisition unit and at least two electronic loads for providing load conditions;
The first programmable power supply is directly connected in series between the industrial personal computer and an input terminal of a first power supply to be tested; the first electronic load is directly connected in series between the industrial personal computer and the output terminal of the first power supply to be tested; the first test unit is connected in series between the acquisition unit and the first voltage dividing unit; the output end of the acquisition unit is connected with the industrial personal computer; the input end of the first voltage dividing unit is connected with the output end of the first power supply to be tested;
The second programmable power supply is directly connected in series between the industrial personal computer and an input terminal of a second power supply to be tested; the second electronic load is directly connected in series between the industrial personal computer and the output terminal of the first power supply to be tested; the second test unit is connected in series between the acquisition unit and the second voltage division unit; the output end of the acquisition unit is connected with the industrial personal computer; and the input end of the second voltage division unit is connected with the output end of the second power supply to be tested.
2. The automatic power parameter testing apparatus according to claim 1, wherein the first voltage dividing unit includes:
a first voltage dividing subunit for dividing the output signal of the first power supply to be measured;
and the second voltage division subunit is used for dividing and filtering the output signal of the first power supply to be tested:
The first voltage dividing subunit is connected in series between the output end of the first power supply to be tested and the first test unit;
The second voltage division subunit is connected in series between the output end of the first power supply to be tested and the acquisition unit.
3. The automatic power parameter testing apparatus according to claim 2, wherein the acquisition unit comprises: the first acquisition subunit is used for respectively acquiring the test signals output by the first test unit and the second test unit and sending the test signals to the first acquisition subunit of the industrial personal computer;
the first acquisition subunit is connected in series between the first test unit and the industrial personal computer, and between the second test unit and the industrial personal computer.
4. The automatic power parameter testing device according to claim 3, wherein the acquisition unit further comprises: a second acquisition subunit for respectively acquiring and displaying the power supply ripples of the first power supply to be tested and the second power supply to be tested;
the second collecting subunit is directly connected in series between the industrial personal computer and the second voltage dividing subunit, and between the industrial personal computer and the second voltage dividing unit.
5. The automatic power parameter testing device according to claim 4, wherein the first acquisition subunit is a multifunctional IO acquisition card; the second acquisition subunit is a USB oscilloscope.
6. The automatic power parameter testing apparatus according to claim 4, wherein the second voltage dividing unit further comprises:
A third voltage dividing subunit for dividing the output signal of the second power supply to be measured;
And a fourth voltage dividing subunit for dividing and filtering the output signal of the second power supply to be measured:
the third voltage dividing subunit is connected in series between the output end of the second power supply to be tested and the second test unit;
The fourth voltage dividing subunit is connected in series between the output end of the second power supply to be detected and the second collecting subunit.
7. The automatic power parameter testing device according to claim 6, further comprising an indication module for indicating whether the first power to be tested and/or the second power to be tested has an output signal;
The indication module is arranged on the cabinet body and is connected with the output end of the first power to be tested and/or the output end of the second power to be tested.
8. The automatic power parameter testing apparatus according to claim 7, further comprising a circuit breaker for performing leakage protection on the automatic power parameter testing apparatus;
The circuit breaker is respectively connected between the first programmable power supply and the first power supply to be tested and between the second programmable power supply and the second power supply to be tested;
When the circuit breaker trips, the input power supplies of the first power supply to be tested and the second power supply to be tested are disconnected.
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| CN202322372542.9U CN220933158U (en) | 2023-09-01 | 2023-09-01 | Automatic power parameter testing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322372542.9U CN220933158U (en) | 2023-09-01 | 2023-09-01 | Automatic power parameter testing device |
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