CN216351179U - Control device for finished product test of mutual inductor - Google Patents
Control device for finished product test of mutual inductor Download PDFInfo
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- CN216351179U CN216351179U CN202122244215.6U CN202122244215U CN216351179U CN 216351179 U CN216351179 U CN 216351179U CN 202122244215 U CN202122244215 U CN 202122244215U CN 216351179 U CN216351179 U CN 216351179U
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- contactor
- control button
- current source
- mutual inductor
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 23
- 238000005457 optimization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a control device for a finished product test of a mutual inductor, which comprises a time relay, wherein a control switch, a first control button, a second control button, a third control button and a fourth control button are arranged in the time relay, a communication interface of the time relay is connected with a first contactor, a second contactor, a third contactor and a fourth contactor through lines, so that a first current source, a second current source, a third current source and a fourth current source are required to be respectively set to be 5%, 20%, 100% and 120% of corresponding rated currents, detection time is set on the first control button, the second control button, the third control button and the fourth control button, then the mutual inductor to be detected is placed in a mutual inductor calibrator to be detected, data of 4 point positions can be acquired at one time, computer software is accessed to judge whether the mutual inductor is qualified or not, thereby effectively improving the detection efficiency.
Description
Technical Field
The utility model relates to the technical field of finished product testing of transformers, in particular to a control device for finished product testing of transformers.
Background
The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The high voltage can be changed into low voltage, and the large current can be changed into small current for measuring or protecting the system. Its function is mainly to convert high voltage or large current into standard low voltage or standard small current in proportion so as to implement standardization and miniaturization of measuring instrument, protective equipment and automatic control equipment.
The finished product test of the mutual inductor needs to detect four points of 5%, 20%, 100% and 120% of a primary current value according to national standard requirements, most manufacturers adopt a mode of rotating a current booster at present, the current is manually boosted to the 4 points for detection respectively, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a control device for finished product testing of a mutual inductor, aiming at solving the problems.
The utility model is realized in such a way that the control device for the finished product test of the mutual inductor comprises a time relay, wherein a control switch, a first control button, a second control button, a third control button and a fourth control button are arranged in the time relay, a communication interface of the time relay is connected with a first contactor, a second contactor, a third contactor and a fourth contactor through lines, the interfaces of the first contactor, the second contactor, the third contactor and the fourth contactor are respectively connected with a first current source, a second current source, a third current source and a fourth current source through lines, and the first contactor, the second contactor, the third contactor and the fourth contactor are all connected with a mutual inductor calibrator through lines.
In order to control the on and off of the first contactor, the second contactor, the third contactor and the fourth contactor respectively, it is preferable that the fourth control button, the third control button, the second control button and the first control button are electrically connected to the first contactor, the second contactor, the third contactor and the fourth contactor respectively, as the control device for the finished product testing of the mutual inductor of the present invention.
In order to facilitate the control of the on/off of the first contactor, the second contactor, the third contactor and the fourth contactor, it is preferable that the control switch is electrically connected to the first contactor, the second contactor, the third contactor and the fourth contactor, respectively, as the control device for the finished product testing of the mutual inductor of the present invention.
In order to reduce the error and parameters during the steady-state detection, the first current source, the second current source, the third current source and the fourth current source are electrically connected with the transformer calibrator.
In order to acquire data of each point location at one time and save detection time, as an optimal control device for the finished product test of the mutual inductor, the rated currents corresponding to the first current source, the second current source, the third current source and the fourth current source are 5%, 20%, 100% and 120% respectively.
Compared with the prior art, the utility model has the beneficial effects that:
the control device for the finished product test of the mutual inductor is connected with a computer, then, a first current source, a second current source, a third current source and a fourth current source are required to be respectively set to have the corresponding rated currents of 5%, 20%, 100% and 120%, detection time is set on the first control button, the second control button, the third control button and the fourth control button, then, the mutual inductor to be detected is placed on a mutual inductor calibrator, a control switch is turned on, four contactor contacts are closed, the four current sources are all electrified to detect at the moment, the effect of collecting data of 4 points at one time is achieved, computer software is accessed to automatically judge whether the data are qualified, the detection efficiency is effectively improved, parameters during steady state detection can be achieved through the mutual inductor calibrator, errors are reduced, and the first control button, the second control button, the third control button and the fourth control button are connected with the computer to detect, After the detection time set on the third control button and the fourth control button is over, the control switch can control the on-off of the 4 contactors, so that the on-off of the 4 current sources can be controlled, and the next test is convenient.
Drawings
Fig. 1 is an overall structural diagram of a control device for finished product testing of a mutual inductor according to the utility model;
FIG. 2 is a schematic diagram of the connection between the time relay and the current source of FIG. 1 according to the present invention.
In the figure, 1, a time relay; 101. a control switch; 2. a first control button; 3. a second control button; 4. a third control button; 5. a fourth control button; 6. a first current source; 601. a first contactor; 7. a second current source; 701. a second contactor; 8. a third current source; 801. a third contactor; 9. a fourth current source; 901. a fourth contactor; 902. mutual-inductor check gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a controlling means of mutual-inductor finished product test, including time relay 1, the internally mounted of time relay 1 has control switch 101, first control button 2, second control button 3, third control button 4 and fourth control button 5, time relay 1's communication interface has first contactor 601, second contactor 701, third contactor 801 and fourth contactor 901 through the line connection, first contactor 601, second contactor 701, third contactor 801 and fourth contactor 901 interface have first current source 6, second current source 7, third current source 8 and fourth current source 9 through the line connection respectively, first contactor 601, second contactor 701, third contactor 801 and fourth contactor 901 all have mutual-inductor check gauge 902 through the line connection.
In the present embodiment: the first current source 6, the second current source 7, the third current source 8 and the fourth current source 9 are required to be respectively set to be 5%, 20%, 100% and 120% of corresponding rated currents, then, the detection time is set on the first control button 2, the second control button 3, the third control button 4 and the fourth control button 5, a mutual inductor to be detected is placed on the mutual inductor calibrator 902, the control switch 101 is turned on, contacts of four contactors are closed, the four current sources are all connected with currents for detection, the effect of collecting data of 4 point locations at one time is achieved, the detected data are transmitted to computer software, whether the detected data are qualified or not can be judged automatically, multiple detection is avoided, and the detection efficiency is effectively improved.
As a technical optimization scheme of the present invention, the fourth control button 5, the third control button 4, the second control button 3 and the first control button 2 are electrically connected to the first contactor 601, the second contactor 701, the third contactor 801 and the fourth contactor 901, respectively.
In the present embodiment: the time for detection is set on the time relay 1 by pressing the fourth control button 5, the third control button 4, the second control button 3 and the first control button 2, and when the detection time is up, the fourth control button 5, the third control button 4, the second control button 3 and the first control button 2 can control the on and off of the current in the first contactor 601, the second contactor 701, the third contactor 801 and the fourth contactor 901.
As a technical optimization scheme of the present invention, the control switch 101 is electrically connected to the first contactor 601, the second contactor 701, the third contactor 801 and the fourth contactor 901, respectively.
In the present embodiment: the control of the switch 101 can facilitate the simultaneous control of the on and off of the first contactor 601, the second contactor 701, the third contactor 801 and the fourth contactor 901.
As a technical optimization scheme of the present invention, the first current source 6, the second current source 7, the third current source 8, and the fourth current source 9 are all electrically connected to the transformer calibrator 902.
In the present embodiment: during detection, parameters of the first current source 6, the second current source 7, the third current source 8 and the fourth current source 9 during stable state detection can be reduced through the transformer calibrator 902, and errors are reduced.
As a technical optimization scheme of the present invention, the rated currents of the first current source 6, the second current source 7, the third current source 8 and the fourth current source 9 are 5%, 20%, 100% and 120%, respectively.
In the present embodiment: by respectively setting the rated current to be 5%, 20%, 100% and 120%, the data of 4 point positions can be conveniently acquired at one time, and the detection time is saved.
The working principle and the using process of the utility model are as follows: firstly, the device is connected with a computer, then, a first current source 6, a second current source 7, a third current source 8 and a fourth current source 9 are respectively provided with corresponding rated currents of 5%, 20%, 100% and 120%, detection time is set on a first control button 2, a second control button 3, a third control button 4 and a fourth control button 5 (the detection time is kept consistent), then, a mutual inductor to be detected is placed on a mutual inductor calibrator 902, a control switch 101 is opened, contacts of four contactors are closed, at the moment, currents are introduced into the four current sources for detection, so that the effect of collecting data of 4 points at one time is achieved, computer software is accessed to judge whether the data are qualified or not, the detection efficiency is effectively improved, parameters can be detected in a stable state through the mutual inductor calibrator 902, errors are reduced, and the first control button 2, After the detection time set on the second control button 3, the third control button 4 and the fourth control button 5 is passed, the control switch 101 can control the on-off of the 4 contactors, so that the on-off of the 4 current sources can be controlled, and the next test can be conveniently carried out.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a controlling means of mutual-inductor finished product test, includes time relay (1), its characterized in that: a control switch (101), a first control button (2), a second control button (3), a third control button (4) and a fourth control button (5) are arranged in the time relay (1), the communication interface of the time relay (1) is connected with a first contactor (601), a second contactor (701), a third contactor (801) and a fourth contactor (901) through lines, the interfaces of the first contactor (601), the second contactor (701), the third contactor (801) and the fourth contactor (901) are respectively connected with a first current source (6), a second current source (7), a third current source (8) and a fourth current source (9) through lines, the first contactor (601), the second contactor (701), the third contactor (801) and the fourth contactor (901) are all connected with a transformer calibrator (902) through lines.
2. The control device for finished instrument transformer testing according to claim 1, wherein: the fourth control button (5), the third control button (4), the second control button (3) and the first control button (2) are electrically connected with the first contactor (601), the second contactor (701), the third contactor (801) and the fourth contactor (901) respectively.
3. The control device for finished instrument transformer testing according to claim 1, wherein: the control switch (101) is electrically connected with the first contactor (601), the second contactor (701), the third contactor (801) and the fourth contactor (901) respectively.
4. The control device for finished instrument transformer testing according to claim 1, wherein: the first current source (6), the second current source (7), the third current source (8) and the fourth current source (9) are all electrically connected with the transformer calibrator (902).
5. The control device for finished instrument transformer testing according to claim 1, wherein: the rated current of the first current source (6), the second current source (7), the third current source (8) and the fourth current source (9) is 5%, 20%, 100% and 120% respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122244215.6U CN216351179U (en) | 2021-09-16 | 2021-09-16 | Control device for finished product test of mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122244215.6U CN216351179U (en) | 2021-09-16 | 2021-09-16 | Control device for finished product test of mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216351179U true CN216351179U (en) | 2022-04-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122244215.6U Expired - Fee Related CN216351179U (en) | 2021-09-16 | 2021-09-16 | Control device for finished product test of mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216351179U (en) |
-
2021
- 2021-09-16 CN CN202122244215.6U patent/CN216351179U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |
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| CF01 | Termination of patent right due to non-payment of annual fee |