CN216718574U - Power regulator detection device - Google Patents
Power regulator detection device Download PDFInfo
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- CN216718574U CN216718574U CN202122772911.4U CN202122772911U CN216718574U CN 216718574 U CN216718574 U CN 216718574U CN 202122772911 U CN202122772911 U CN 202122772911U CN 216718574 U CN216718574 U CN 216718574U
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Abstract
The utility model discloses a power regulator detection device which comprises a power switch, an adjustable power supply and a test unit, wherein the adjustable power supply is used for outputting adjustable pulses. The output end of the power switch can be connected with the input end of the tested object, the input end of the testing unit is connected with the output end of the tested object, the output end of the power switch is connected with the input end of the adjustable power supply, and the output end of the adjustable power supply is connected with the pulse input end of the tested object. The pulse voltage of the adjustable power supply is adjusted to enable the tested object to output a preset power value, then the testing unit is used for measuring the actually output power of the tested object, and the actually output power is compared with the preset power value, so that whether the tested object meets the standard or not is judged.
Description
Technical Field
The utility model relates to the field of instrument calibration, in particular to a power regulator detection device.
Background
In a nuclear power station, when a power regulating device is detected, an operator needs to simultaneously carry out field wiring on elements such as a 380V input power supply, a test resistor, the power regulating device, an adjustable power supply for controlling the output power of the power regulating device, a voltmeter, an ammeter and the like, because the number of the power regulating devices is large, a large amount of time is needed to carry out wiring in each detection device, and in the repeated wiring process of the test resistor, the voltmeter, the ammeter and the like, the probability of artificial errors is high, the defects of unreasonable secondary wire arrangement, easy wire burn, insulation damage, equipment damage caused by wrong wire connection, low reliability and the like exist.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a power regulator detection apparatus, which solves at least one of the drawbacks of the related art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: constructing a power regulator detection device, which comprises a power switch, an adjustable power supply for outputting adjustable pulses and a test unit for measuring the output power of a tested object;
the output end of the power switch can be connected with the input end of the tested object, the input end of the test unit can be connected with the output end of the tested object, the output end of the power switch is connected with the input end of the adjustable power supply, and the output end of the adjustable power supply can be connected with the pulse input end of the tested object.
Preferably, in the power conditioner detection device according to the present invention, the power conditioner detection device further includes a connector;
the output end of the power switch is connected with the power input end of the connector, the three-phase output end of the connector can be connected with the input end of the tested object, the measurement information input end of the connector can be connected with the output end of the tested object, and the measurement information output end of the connector is connected with the input end of the test unit;
and the output ends of any live wire and zero line of the connector are respectively connected with the input end of the adjustable power supply.
Preferably, in the power conditioner detection apparatus of the present invention, the test unit includes a first voltmeter V1, a second voltmeter V2, a third voltmeter V3, a first ammeter a1, a second ammeter a2, a third ammeter A3, a first resistor R1, a second resistor R2, and a third resistor R3;
an eighth output end of the connector is simultaneously connected with a first end of the first voltmeter V1, a first end of the third voltmeter V3 and a first end of the first ammeter a1, and a second end of the first ammeter a1 is connected with a first end of the first resistor R1;
a ninth output end of the connector is simultaneously connected with a second end of the first voltmeter V1, a first end of the second voltmeter V2 and a first end of the second ammeter a2, and a second end of the second ammeter a2 is connected with a second end of the second resistor R2;
a tenth output end of the connector is simultaneously connected to the second end of the second voltmeter V2, the second end of the third voltmeter V3 and the first end of the third ammeter A3, and the second end of the third ammeter A3 is connected to the second end of the third resistor R3;
the second end of the first resistor R1 is connected to both the second end of the second resistor R2 and the second end of the third resistor R3.
Preferably, in the power conditioner detection apparatus according to the present invention, the test unit may further use another embodiment, where the test unit includes a first voltage transformer, a second voltage transformer, a third voltage transformer, a first current transformer, a second current transformer, a third current transformer, a fourth resistor, a fifth resistor, a sixth resistor, a filter circuit, a measurement information processing circuit, and a display circuit for displaying a measurement parameter;
the eighth output end of the connector is simultaneously connected with the first end of the first voltage transformer, the first end of the third voltage transformer and the first end of the first current transformer, and the second end of the first current transformer is connected with the first end of the fourth resistor;
a ninth output end of the connector is simultaneously connected with the second end of the first voltage transformer, the first end of the second voltage transformer and the first end of the second current transformer, and the second end of the second current transformer is connected with the first end of the fifth resistor;
a tenth output end of the connector is simultaneously connected with the second end of the second voltage transformer, the first end of the third voltage transformer and the first end of the third current transformer, and the second end of the third current transformer is connected with the first end of the sixth resistor;
the second end of the fourth resistor is simultaneously connected with the second end of the fifth resistor and the second end of the sixth resistor;
the output end of the measurement information of each mutual inductor is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the information processing circuit, and the output end of the measurement information processing circuit is connected with the display circuit.
Preferably, in the power regulator detecting device of the present invention, the adjustable power supply includes a rectifying and filtering unit, a dc power supply, and a voltage regulating unit for regulating an output voltage of the dc power supply;
the connector is connected the input of rectification filter unit, the output of rectification filter unit is connected DC power supply's input, DC power supply's input is connectable the pulse input of being tested the article, the output of voltage regulating unit is connected DC power supply's feedback end.
Preferably, in the power conditioner detection device according to the present invention, the power conditioner detection device further includes a cable and a cable connection nose;
the power switch, the adjustable power supply, the test unit and the connector are electrically connected through the cable and the cable connecting nose.
Preferably, in the power conditioner detection device according to the present invention, the power conditioner detection device further includes a guide rail fixed in the housing;
the connector and the power switch are fixed on the guide rail.
Preferably, in the power conditioner detection apparatus according to the present invention, the output voltage of the adjustable power supply is in a range of 0V to 10V.
Preferably, in the power conditioner detection device according to the present invention, the power switch is an air switch.
The utility model has the following beneficial effects: the preset output power of the tested product can be adjusted only by controlling the output of the adjustable power supply, and whether the tested product is qualified or not can be detected by comparing the preset output power with the actual output power measured by the test unit; the utility model not only saves the wiring operation, reduces the human error risk, improves the reliability and reduces the phenomenon of unreasonable secondary wiring, but also has simple detection operation.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of a power regulator detection apparatus of the present invention;
FIG. 2 is a schematic diagram of another embodiment of a test unit of a power regulator detection apparatus of the present invention;
fig. 3 is a schematic diagram of an adjustable power supply for a power regulator detection device of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1, a power conditioner detection apparatus is constructed, including a power switch 100, an adjustable power supply 200 for outputting an adjustable pulse, and a test unit 300 for measuring an output power of a test object; in some examples, the power switch 100 is an air switch.
Specifically, the output terminals of the power switches 100 may be respectively connected to the input terminals of the tested object, the input terminal of the testing unit 300 may be connected to the output terminal of the tested object, the output terminal of the power switch 100 is connected to the input terminal of the adjustable power supply 200, and the output terminal of the adjustable power supply 200 may be connected to the pulse input terminal of the tested object.
The specific detection process is as follows: the pulse voltage of the adjustable power supply 200 is adjusted to enable the tested object to output a preset power value, then the parameters measured by the test unit are used for calculating the actual output power of the tested object, finally the actual output power is compared with the preset power value, and if the difference is within the error range, the tested object is judged to be in accordance with the standard.
The power regulator detection device in fig. 1 further includes a connector 400;
specifically, the output end of the power switch 100 is connected to the power input end of the connector 400, the three-phase output end of the connector 400 is connectable to the input end of the tested object, the measurement information input end of the connector 400 is connectable to the output end of the tested object, the measurement information output end of the connector 400 is connected to the input end of the testing unit 300, and the output ends of any one of the live wire and the zero wire of the connector 400 are respectively connected to the input ends of the adjustable power supply 200.
In this embodiment, the connector 400 includes ten sets of connection terminals, each terminal including an input and an output, wherein the first, second, third and fourth inputs in the connector 400 are power inputs of the connector 400, the first, second and third outputs in the connector 400 are three-phase outputs of the connector 400, the eighth, ninth and tenth inputs in the connector 400 are measurement information inputs of the connector 400, and the eighth, ninth and tenth outputs in the connector 400 are measurement information outputs of the connector 400.
The test unit 300 in fig. 1 includes a first voltmeter V1, a second voltmeter V2, a third voltmeter V3, a first ammeter a1, a second ammeter a2, a third ammeter A3, a first resistor R1, a second resistor R2, and a third resistor R3;
specifically, the eighth output terminal of the connector 400 is simultaneously connected to the first terminal of the first voltmeter V1, the first terminal of the third voltmeter V3, and the first terminal of the first ammeter a1, the second terminal of the first ammeter a1 is connected to the first terminal of the first resistor R1, the ninth output terminal of the connector 400 is simultaneously connected to the second terminal of the first voltmeter V1, the first terminal of the second voltmeter V2, and the first terminal of the second ammeter a2, the second terminal of the second ammeter a2 is connected to the second terminal of the second resistor R2, the tenth output terminal of the connector 400 is simultaneously connected to the second terminal of the second voltmeter V2, the second terminal of the third voltmeter V3, and the first terminal of the third ammeter A3, the second terminal of the third ammeter A3 is connected to the second terminal of the third resistor R3, and the second terminal of the first resistor R1 is simultaneously connected to the second terminal of the second resistor R2 and the second terminal of the third resistor R3.
Each ammeter and each voltmeter respectively measure the current and the voltage of each phase output by the tested product so as to calculate the actual output power of each phase, and the comparison with the preset power is convenient.
FIG. 2 is a schematic diagram of another embodiment of a test cell 300. As shown in fig. 2, the test unit 300 includes a first voltage transformer, a second voltage transformer, a third voltage transformer, a first current transformer, a second current transformer, a third current transformer, a fourth resistor, a fifth resistor, a sixth resistor, a filter circuit, a measurement information processing circuit, and a display circuit for displaying measurement parameters;
specifically, the eighth output terminal of the connector 400 is connected to the first terminal of the first voltage transformer, the first terminal of the third voltage transformer and the first terminal of the first current transformer, the second terminal of the first current transformer is connected to the first terminal of the fourth resistor, the ninth output terminal of the connector 400 is connected to the second terminal of the first voltage transformer, the first terminal of the second voltage transformer and the first terminal of the second current transformer, the second terminal of the second current transformer is connected to the first terminal of the fifth resistor, the tenth output terminal of the connector 400 is connected to the second terminal of the second voltage transformer, the first terminal of the third voltage transformer and the first terminal of the third current transformer, the second terminal of the third current transformer is connected to the first terminal of the sixth resistor, the second terminal of the fourth resistor is connected to the second terminal of the fifth resistor and the second terminal of the sixth resistor, the measurement information output terminal of each transformer is connected to the input terminal of the filter circuit, the output end of the filter circuit is connected with the input end of the information processing circuit, and the output end of the measurement information processing circuit is connected with the display circuit.
In this embodiment, each current transformer and each voltage transformer measure the current and voltage of each phase output by the test object, the measurement information is processed by the filter circuit and then sent to the information processing circuit, the information processing circuit calculates the measurement information, then the display information is sent to the display circuit, and finally the display circuit displays the test result.
As shown in fig. 3, the adjustable power supply 200 includes a rectifying and filtering unit, a dc power supply and a voltage regulating unit for regulating an output voltage of the dc power supply; in some embodiments, the output voltage of the adjustable power supply 200 ranges from 0V to 10V.
Specifically, the connector 400 is connected to an input terminal of the rectifying and filtering unit, an output terminal of the rectifying and filtering unit is connected to an input terminal of the dc power supply, the input terminal of the dc power supply is connectable to a pulse input terminal of the tested object, and an output terminal of the voltage regulating unit is connected to a feedback terminal of the dc power supply.
Optionally, the power regulator detection device further comprises a cable and a cable connection nose; the electrical connections between the power switch 100, the adjustable power supply 200, the test unit 300 and the connector 400 are all connected by cables and cable connection noses.
Optionally, the power regulator detection device further comprises a guide rail fixed in the housing; the connector 400 and the power switch 100 are fixed to the guide rails.
The utility model has the following beneficial effects: the preset output power of the tested product can be adjusted only by controlling the output of the adjustable power supply, and whether the tested product is qualified or not can be detected by comparing the preset output power with the actual output power measured by the test unit; the utility model not only saves the wiring operation, reduces the human error risk, improves the reliability and reduces the phenomenon of unreasonable secondary wiring, but also has simple detection operation.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (9)
1. A power regulator detection device is characterized by comprising a power switch (100), an adjustable power supply (200) for outputting adjustable pulses and a test unit (300) for measuring the output power of a tested object;
the output end of the power switch (100) can be connected with the input end of the tested object, the input end of the test unit (300) can be connected with the output end of the tested object, the output end of the power switch (100) is connected with the input end of the adjustable power supply (200), and the output end of the adjustable power supply (200) can be connected with the pulse input end of the tested object.
2. The power regulator detection device according to claim 1, wherein the power regulator detection device further comprises a connector (400);
the output end of the power switch (100) is connected with the power input end of the connector (400), the three-phase output end of the connector (400) can be connected with the input end of the tested object, the measurement information input end of the connector (400) can be connected with the output end of the tested object, and the measurement information output end of the connector (400) is connected with the input end of the test unit (300);
and the output ends of any live wire and zero wire of the connector (400) are respectively connected with the input end of the adjustable power supply (200).
3. The power regulator detection apparatus of claim 2, wherein the test unit (300) comprises a first voltmeter V1, a second voltmeter V2, a third voltmeter V3, a first ammeter a1, a second ammeter a2, a third ammeter A3, a first resistor R1, a second resistor R2, and a third resistor R3;
an eighth output end of the connector (400) is simultaneously connected with a first end of the first voltmeter V1, a first end of the third voltmeter V3 and a first end of the first ammeter a1, and a second end of the first ammeter a1 is connected with a first end of the first resistor R1;
a ninth output end of the connector (400) is connected to the second end of the first voltmeter V1, the first end of the second voltmeter V2 and the first end of the second ammeter a2, and the second end of the second ammeter a2 is connected to the second end of the second resistor R2;
a tenth output terminal of the connector (400) is connected to the second terminal of the second voltmeter V2, the second terminal of the third voltmeter V3, and the first terminal of the third ammeter A3, and the second terminal of the third ammeter A3 is connected to the second terminal of the third resistor R3;
the second end of the first resistor R1 is connected to both the second end of the second resistor R2 and the second end of the third resistor R3.
4. The power conditioner detection apparatus according to claim 2, wherein the test unit (300) includes a first voltage transformer, a second voltage transformer, a third voltage transformer, a first current transformer, a second current transformer, a third current transformer, a fourth resistor, a fifth resistor, a sixth resistor, a filter circuit, a measurement information processing circuit, and a display circuit for displaying the measurement parameter;
an eighth output end of the connector (400) is simultaneously connected with the first end of the first voltage transformer, the first end of the third voltage transformer and the first end of the first current transformer, and the second end of the first current transformer is connected with the first end of the fourth resistor;
a ninth output end of the connector (400) is simultaneously connected with the second end of the first voltage transformer, the first end of the second voltage transformer and the first end of the second current transformer, and the second end of the second current transformer is connected with the first end of the fifth resistor;
a tenth output end of the connector (400) is simultaneously connected with the second end of the second voltage transformer, the first end of the third voltage transformer and the first end of the third current transformer, and the second end of the third current transformer is connected with the first end of the sixth resistor;
the second end of the fourth resistor is simultaneously connected with the second end of the fifth resistor and the second end of the sixth resistor;
the output end of the measurement information of each mutual inductor is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the information processing circuit, and the output end of the measurement information processing circuit is connected with the display circuit.
5. The power regulator detection device of claim 2, wherein the adjustable power supply (200) comprises a rectifying and filtering unit, a dc power supply and a voltage regulating unit for regulating an output voltage of the dc power supply;
the connector (400) is connected with the input end of the rectification filtering unit, the output end of the rectification filtering unit is connected with the input end of the direct current power supply, the input end of the direct current power supply can be connected with the pulse input end of the tested object, and the output end of the voltage regulating unit is connected with the feedback end of the direct current power supply.
6. The power regulator detection device of claim 2, further comprising a cable and a cable connection nose;
the power switch (100), the adjustable power supply (200), the test unit (300) and the connector (400) are electrically connected through the cable and the cable connecting nose.
7. The power regulator detection device of claim 6, further comprising a guide rail secured within the housing;
the connector (400) and the power switch (100) are fixed on a guide rail.
8. The power regulator detection device of claim 1, wherein the output voltage of the adjustable power supply (200) ranges from 0V to 10V.
9. The power regulator detection device of claim 1, wherein the power switch (100) is an air switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122772911.4U CN216718574U (en) | 2021-11-12 | 2021-11-12 | Power regulator detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122772911.4U CN216718574U (en) | 2021-11-12 | 2021-11-12 | Power regulator detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718574U true CN216718574U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122772911.4U Active CN216718574U (en) | 2021-11-12 | 2021-11-12 | Power regulator detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718574U (en) |
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2021
- 2021-11-12 CN CN202122772911.4U patent/CN216718574U/en active Active
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