CN112710978A - Detection system of anti-direct current transformer - Google Patents
Detection system of anti-direct current transformer Download PDFInfo
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- CN112710978A CN112710978A CN202011381045.XA CN202011381045A CN112710978A CN 112710978 A CN112710978 A CN 112710978A CN 202011381045 A CN202011381045 A CN 202011381045A CN 112710978 A CN112710978 A CN 112710978A
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 65
- 238000002788 crimping Methods 0.000 claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The application discloses anti direct current transformer's detecting system. Wherein, this system includes: an anti-dc transformer detection system comprising: the device comprises a power control cabinet, a power switch, an alternating current-direct current harmonic power supply, a large-current dynamic main control module, a core control panel, an electric cylinder, an electric crimping butt-joint block, an electric crimping terminal base, a core-penetrating copper bar, a tested transformer, an error test wire, a manual lifting platform, an operation table body, a pressing/loosening key, a current transformer program-controlled load box, an anti-direct current transformer calibrator, a large-current connecting wire, a standard transformer, an overcurrent copper bar and an upper computer. The method and the device solve the technical problems of low testing speed, low efficiency and weak manual crimping caused by the fact that a testing method for manually crimping the anti-direct current transformer in the related technology is adopted.
Description
Technical Field
The application relates to the field of electric power, in particular to a detection system of an anti-direct current transformer.
Background
At present, a mutual inductor for electric energy metering has no direct current component resisting function, and if a user connects a rectifying device in series at a secondary side in an actual use process, an iron core of the mutual inductor is saturated, metering errors are influenced, and the phenomenon of electric quantity loss is caused. The technical specification of the anti-direct-current magnetic bias low-voltage current transformer detects project requirements, and the anti-direct-current transformer can meet requirements on ratio difference, angle difference and output precision under the conditions of various harmonic waves and various direct-current components and direct-current errors under the condition of pure direct-current input. However, the existing anti-direct current transformer has just appeared, and the testing method of the anti-direct current transformer usually adopts a manual compression joint method, so that the testing speed is low, the efficiency is low, and the increasing detection requirements are difficult to meet.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the application provides a detection system of an anti-direct current transformer, which is used for at least solving the technical problems of low test speed, low efficiency and weak manual crimping caused by a test method of adopting manual crimping for the anti-direct current transformer in the related art.
According to an aspect of an embodiment of the present application, there is provided an anti-dc transformer detection system, including: the device comprises a power control cabinet, a power switch, an alternating current-direct current harmonic power supply, a large-current dynamic main control module, a core control panel, an electric cylinder, an electric crimping butt-joint block, an electric crimping terminal base, a core-through copper bar, a tested transformer, an error test wire, a manual lifting platform, an operation table body, a pressing/loosening key, a current transformer program-controlled load box, an anti-direct current transformer calibrator, a large-current connecting line, a standard transformer, an overcurrent copper bar and an upper computer; under the condition that the manual lifting platform is operated to a preset position, the core-penetrating copper bar is controlled to penetrate through the center of the tested transformer, the two ends of the core-penetrating copper bar are located on the upper surface of the crimping terminal base, and the pressing/loosening key is operated to control the electric cylinder to drive the electric crimping butt-joint block, so that the core-penetrating copper bar is pressed tightly.
Optionally, the manual lifting platform is placed in the tested transformer, and the central line of the tested transformer is controlled to be consistent with the upper surfaces of the crimping seats at the two ends by operating the lifting handles at the two sides.
Optionally, the error test line of the corresponding station is controlled, and the wiring clamp of the error test line is connected with the tested transformer test terminal of the corresponding station.
Optionally, the power switch is turned on, and the power control cabinet is controlled to be powered on, so that each test instrument is powered on and starts to operate.
Optionally, the testing software of the upper computer is started, after the testing signal corresponding to the testing item is generated, the upper computer sends a control command to the core control board, and controls the alternating current/direct current harmonic current source to send an output signal command, wherein the output signal command is used for controlling the large-current dynamic source main control module to execute interactive control and output a current signal.
Optionally, the high current connection is controlled to transmit the current signal to a terminal on the console.
Optionally, in the case that the current signal for testing passes through the standard transformer, an error test value is output and transmitted to the anti-dc transformer calibrator as a reference error measurement value.
Optionally, in the case that the current information for testing passes through the tested transformer, the error output terminal of the tested transformer outputs an error signal through the error test line, and the error signal is transmitted into the anti-dc transformer calibrator.
Optionally, the upper computer collects error signals in the mutual inductor calibrator and displays the calibration result through the upper computer display, wherein the calibration result represents the error test result of the corresponding station.
Optionally, after the test is finished, the upper computer is controlled to stop error detection, and the pressing/releasing button is operated to control the electric cylinder to drive the electric compression joint block to lift upwards.
In the embodiment of the application, an electric compression joint mode is adopted, and the device is characterized by comprising a power control cabinet, a power switch, an alternating current/direct current harmonic power supply, a large-current dynamic main control module, a core control panel, an electric cylinder, an electric compression joint block, an electric compression joint terminal seat, a core-through copper bar, a tested transformer, an error test wire, a manual lifting platform, an operation table body, a pressing/loosening button, a current transformer program-controlled load box, an anti-direct current transformer calibrator, a large-current connecting wire, a standard transformer, an overcurrent copper bar and an upper computer; wherein, under the condition that manual lift platform operation arrived preset position, control the central point that the core copper bar passed the mutual-inductor of being surveyed puts, and the both ends of core copper bar are located the upper surface of crimping terminal seat, and compress tightly/loosen the electronic crimping butt joint piece of button control electric jar drive through the operation, make the core copper bar compress tightly, reached automatic detection anti direct current transformer, and compress tightly the technical effect of core copper bar through electric jar drive electronic crimping butt joint piece, and then solved because the test speed that anti direct current transformer adopted the test method of manual crimping to cause among the correlation technique is slow, inefficiency and the not firm technical problem of manual crimping.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an alternative detection system for an anti-dc transformer according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present application, there is provided an anti-dc transformer detection system embodiment, it is noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that while a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.
Fig. 1 is a detection system for an anti-dc transformer according to an embodiment of the present application, and as shown in fig. 1, the system includes:
a power supply control cabinet 1; a power switch 2; an AC/DC harmonic power supply 3; a high-current dynamic main control module 4; a core control board 5; an electric cylinder 6; an electric crimping butt-joint block 7; an electric crimping terminal block 8; a core copper bar 9; a tested transformer 10; an error test line 11; a manual lifting platform 12; an operation table body 13; the press/release button 14; a current transformer program control load box 15; an anti-dc transformer calibrator 16; a high-current connection line 17; a standard transformer 18; an overcurrent copper bar 19; an upper computer 20; it should be noted that, when the manual lifting platform 12 is operated to a predetermined position, the core copper bar 9 is controlled to pass through the center position of the tested transformer 10, two ends of the core copper bar 9 are located on the upper surface of the crimping terminal block, and the pressing/releasing button 14 is operated to control the electric cylinder to drive the electric crimping butting block 7, so that the core copper bar 9 is pressed.
In some embodiments of the present application, the manual lifting platform 12 may be placed in the tested transformer, and the central line of the tested transformer 10 is controlled to be consistent with the upper surfaces of the crimping seats at both ends by operating the lifting handles at both sides. Specifically, after the manual lifting platform 12 is operated in place, the core copper bar 9 is operated to penetrate through the center of the tested mutual inductor 10, two ends of the core copper bar 9 just fall on the center of the upper surface of the crimping terminal base 8, the pressing/loosening key 14 is operated to enable the electric cylinder 6 to drive the electric crimping butting block 7 to press the core copper bar 9, and the reliable crimping is ensured. It is easy to notice that, through adding electric cylinder control, realized when doing the heavy load current test need not manual crimping and dynamics detect and just can realize reliable butt joint and reach the requirement of crimping dynamics.
In some optional embodiments of the present application, the error testing line 11 of the corresponding station may be controlled, so that the connection clamp of the error testing line 11 is connected to the testing terminal of the tested mutual inductor 10 of the corresponding station. For example, after the copper bar positioning and crimping work is finished, the error test wire 11 corresponding to the detection station is operated, so that the wiring clamp carried by the error test wire is connected with the test terminal of the tested mutual inductor 10 corresponding to the station, and the technical effect of multi-station synchronous parallelism can be achieved by the method. It can be understood that the requirement of reliable butt joint and reaching the pressure welding force can be realized without manual pressure welding and force detection when the multi-station basic current detection is carried out for large-load current test by adding the multi-path error check meter.
In some embodiments of the present application, the power switch 2 is turned on, and the power control cabinet 1 may be controlled to be powered on, so that each test instrument is powered on and starts to operate. Optionally, the test software of the upper computer 20 may be started, after the test signal corresponding to the test item is generated, the upper computer 20 may send a control command to the core control board 5, and control the ac/dc harmonic current source to send an output signal command, where it needs to be described that the output signal command is used to control the large-current dynamic source main control module to execute interactive control, and output a current signal.
In some embodiments of the present application, the high current connection line is controlled to transmit a current signal to a terminal on the console. In the case where the current signal for testing passes through the standard transformer 18, an error test value is output and transmitted to the anti-dc transformer calibrator 16 as a reference error measurement value. It can be understood that, in the case that the current information for the test passes through the tested transformer 10, the error output terminal of the tested transformer 10 outputs an error signal through the error test line, and the error signal is transmitted into the anti-dc transformer calibrator 16.
In some embodiments of the present application, the upper computer 20 collects error signals in the transformer calibrator 16, and displays the calibration result through the display of the upper computer 20, and it should be noted that the calibration result represents the error test result of the corresponding station.
In some embodiments of the present application, after the test is finished, the upper computer 20 is controlled to stop the error detection, and the pressing/releasing button 14 is operated to control the electric cylinder to drive the electric crimping butting block 7 to be lifted upwards.
Specifically, after the power switch 2 is turned on, the power control cabinet is powered on, and each test instrument starts to operate. And operating the upper computer test software and setting test items. After the test signal is started, the upper computer 20 sends a control command to the core control board 5, the signal is converted to inform the alternating current/direct current harmonic current source 3 to send an output signal command, the alternating current/direct current harmonic current source outputs a current signal after being interactively controlled by the large-current dynamic source main control module 4, and the current signal is transmitted to a wiring terminal on the operation table through the large-current connecting wire 17. After passing through the standard transformer 18, the test current outputs a standard error test value, and the standard error test value is transmitted to the anti-dc transformer calibrator 16 as a reference error measurement value. After the tested mutual inductor 10 passes through the testing current, an error output terminal of the tested mutual inductor outputs an error signal through an error testing line 11 and transmits the error signal to an anti-direct current mutual inductor calibrator 16, an upper computer 20 automatically collects the error signal in the mutual inductor calibrator 16, and after internal processing, an error testing result of a corresponding station is displayed through an upper computer display. After the test is finished, the upper computer 20 is operated, and the error detection is stopped. And operating the pressing/loosening key 14, driving the electric crimping butt-joint block 7 to lift upwards by the electric cylinder 6, taking away the core copper bar 9, removing the error test wire 11, and taking down the tested transformer. It should be noted that, according to the detection channel that the equipment configuration instrument can bear, the actual verification station of the operation rack can be effectively expanded, for example, 2 original detection stations are expanded to 6 detection stations at the same time, that is, under the condition of ensuring effective detection, the detection quantity is reasonably utilized to the maximum extent.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A detection system of an anti-DC mutual inductor is characterized by comprising: the device comprises a power control cabinet, a power switch, an alternating current-direct current harmonic power supply, a large-current dynamic main control module, a core control panel, an electric cylinder, an electric crimping butt-joint block, an electric crimping terminal base, a core-through copper bar, a tested transformer, an error test wire, a manual lifting platform, an operation table body, a pressing/loosening key, a current transformer program-controlled load box, an anti-direct current transformer calibrator, a large-current connecting line, a standard transformer, an overcurrent copper bar and an upper computer; wherein the content of the first and second substances,
under the condition that the manual lifting platform is operated to a preset position, the core-through copper bar is controlled to penetrate through the center position of the tested mutual inductor, the two ends of the core-through copper bar are located on the upper surface of the crimping terminal base, and the electric cylinder is controlled to drive the electric crimping butt-joint block through operating the pressing/loosening key, so that the core-through copper bar is pressed tightly.
2. The detection system according to claim 1, wherein the manual lifting platform is placed in the mutual inductor to be detected, and the central line of the mutual inductor to be detected is controlled to be consistent with the upper surfaces of the crimping seats at two ends by operating the lifting handles at two sides.
3. The detection system according to claim 1, wherein the error test wire of the corresponding station is controlled to connect the wiring clamp of the error test wire with the tested transformer test terminal of the corresponding station.
4. The detection system according to claim 1, wherein the power switch is turned on to control the power control cabinet to be powered on, so that each test instrument is powered on and starts to operate.
5. The detection system according to claim 1, wherein test software of the upper computer is started, and after a test signal corresponding to a test item is generated, the upper computer sends a control command to the core control board to control the alternating current/direct current harmonic current source to send an output signal command, wherein the output signal command is used for controlling the high-current dynamic source main control module to perform interactive control and output a current signal.
6. The detection system of claim 5, wherein the high current connection is controlled to transmit the current signal to a terminal on a console.
7. The detection system of claim 6, wherein an error test value is output and transmitted to the anti-dc transformer calibrator as a reference error measurement value in the case where the current signal for testing passes through the standard transformer.
8. The detecting system according to claim 7, wherein when the current information for the test passes through the transformer under test, an error signal is outputted from an error output terminal of the transformer under test through the error testing line, and is transmitted into the anti-dc transformer calibrator.
9. The detection system according to claim 8, wherein the upper computer collects the error signals in the transformer calibrator and displays calibration results through the upper computer display, wherein the calibration results represent error test results of corresponding stations.
10. The detection system according to claim 9, wherein after the test is finished, the upper computer is controlled to stop the error detection, and the pressing/releasing button is operated to control the electric cylinder to drive the electric compression joint block to lift upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381045.XA CN112710978A (en) | 2020-11-30 | 2020-11-30 | Detection system of anti-direct current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381045.XA CN112710978A (en) | 2020-11-30 | 2020-11-30 | Detection system of anti-direct current transformer |
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| CN112710978A true CN112710978A (en) | 2021-04-27 |
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| CN202011381045.XA Pending CN112710978A (en) | 2020-11-30 | 2020-11-30 | Detection system of anti-direct current transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116500534A (en) * | 2023-06-27 | 2023-07-28 | 国网天津市电力公司营销服务中心 | DBI type current transformer DC resistance detection device and method |
| CN116755020A (en) * | 2023-07-06 | 2023-09-15 | 浙江天际互感器股份有限公司 | Anti-direct current transformer half-wave error detection system and method based on harmonic comparison method |
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| CN116755020A (en) * | 2023-07-06 | 2023-09-15 | 浙江天际互感器股份有限公司 | Anti-direct current transformer half-wave error detection system and method based on harmonic comparison method |
| CN116755020B (en) * | 2023-07-06 | 2024-05-10 | 浙江天际互感器股份有限公司 | Harmonic comparison method-based half-wave error detection method for anti-direct current transformer |
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Application publication date: 20210427 |
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