CN218037040U - Special current transformer for metering - Google Patents
Special current transformer for metering Download PDFInfo
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- CN218037040U CN218037040U CN202221055812.2U CN202221055812U CN218037040U CN 218037040 U CN218037040 U CN 218037040U CN 202221055812 U CN202221055812 U CN 202221055812U CN 218037040 U CN218037040 U CN 218037040U
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- module
- shell
- current transformer
- metering
- mutual inductance
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- 230000006698 induction Effects 0.000 claims abstract description 29
- 238000004804 winding Methods 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000003321 amplification Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013480 data collection Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to a special current transformer for metering, which comprises a shell, an mutual inductance collecting ring and a main control mechanism, wherein an induction winding is arranged in the mutual inductance collecting ring, one side of the shell is provided with a pair of tracks, the lower part between the two tracks is provided with three groups of slots, and a sliding cover is assembled on the tracks in a sliding way; the induction collecting ring comprises a U-shaped epoxy resin protective shell, metal pins are arranged at two ends of the protective shell, and the metal pins are connected with a winding coil of the induction winding end to end; the induction collecting ring is inserted into the slot through a metal pin, and wire passing grooves are formed in two sides of the sliding cover. The current transformer special for metering effectively protects the induction coil, is convenient for the measured cable to pass through the wire for fixing during detection, improves the detection efficiency and precision and has the function of remote data synchronous monitoring on the premise of saving a fragile contact structure.
Description
Technical Field
The utility model relates to an electricity measuring equipment field, concretely relates to measure special current transformer.
Background
The current transformer is an electrical measuring device for measuring line current by winding coil induction, the current transformer for metering can lead out contacts from two ends of an induction winding so as to be used for connecting a metering gauge outfit, and the problems that the structure protection of the induction coil is unsatisfactory, the gauge outfit is connected to influence the detection efficiency, the exposed contact is easy to fail or cause internal coil faults and the like exist in the conventional current transformer generally.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome current transformer induction coil structure protection unsatisfactory, the gauge outfit is connected and is influenced detection efficiency, the contact exposes and leads to the high scheduling problem of fault rate, provide a measure special current transformer, it pieces together the mutual inductance collection ring of inserting the connection through design and main part, the cooperation protecting crust, the sliding closure protection, induction coil has effectively been protected, it is fixed to be crossed by the measuring cable when having made things convenient for simultaneously to detect, in addition through the electronic gauge outfit of integral type and carry out digital processing's main control mechanism to data collection, make it under the prerequisite of omitting fragile contact structure, detection efficiency and precision have been improved, and possess remote data synchronous monitoring function.
The current transformer special for metering comprises a shell, a mutual inductance acquisition ring arranged on one side of the shell and a main control mechanism arranged in the shell, wherein an induction winding is arranged in the mutual inductance acquisition ring, one side of the shell is provided with a pair of rails, three groups of slots are arranged on the lower part between the two rails, and a sliding cover is assembled on the rails in a sliding manner; the induction collecting ring comprises a U-shaped epoxy resin protective shell, metal pins are arranged at two ends of the protective shell, and the metal pins are connected with a winding coil of the induction winding end to end; the induction collecting ring is inserted into the slot through a metal pin, and two sides of the sliding cover are provided with wire passing slots; under the state that the sliding cover slides upwards, the induction collecting ring can be completely exposed, and under the state that the sliding cover slides downwards, the wire passing groove corresponds to the position of the induction collecting ring.
The system is characterized by comprising a main control mechanism, wherein the main control mechanism comprises a signal processing unit, a processing chip, a wireless data transmission module, a display screen and a power module, and the signal processing unit comprises a multi-path analog quantity acquisition module, a filtering module, a signal amplification module and an A/D conversion module.
Specifically, the input end of the multi-channel analog quantity acquisition module is respectively connected with the slot, the output end of the multi-channel analog quantity acquisition module is connected with the input end of a processing chip through a filtering module, a signal amplification module and an A/D conversion module, the processing chip is in serial port communication connection with the wireless data transmission module and the display screen, and the power supply module supplies DC3.3V/5V for the processing chip, the wireless data transmission module and the display screen.
In order to ensure the effect of remote data communication, a signal gain antenna is arranged on the shell and is connected with the wireless data transmission module.
In order to facilitate moving and transferring and adapt to rapid metering test, a handle is arranged above the shell.
The utility model relates to a special current transformer of measurement, it is unsatisfactory to have overcome current transformer induction coil structure protection, the gauge outfit is connected and is influenced detection efficiency, the contact exposes and results in the high scheduling problem of fault rate, it pieces the mutual inductance collection ring of inserting the connection through design and main part, the cooperation protecting crust, the sliding closure protection, induction coil has effectively been protected, it is fixed to be crossed by the survey cable when having made things convenient for simultaneously to detect, in addition through the electronic gauge outfit of integral type and carry out digital processing's main control mechanism to data collection, make it under the prerequisite of omitting fragile contact structure, detection efficiency and precision have been improved, and possess remote data synchronous monitoring function.
Drawings
The utility model relates to a measure special current transformer and make further explanation below with the attached figure:
FIG. 1 is a schematic structural diagram of a front view plane of the current transformer (a sliding cover sliding down state);
fig. 2 is a schematic structural diagram of a main view plane of the current transformer specially used for metering (a state that a sliding cover slides upwards);
FIG. 3 is a schematic side-view plane structure diagram of the current transformer;
fig. 4 is a connection wire frame diagram of the logic structure of the main control mechanism of the current transformer special for metering.
In the figure:
1-a shell, 2-a mutual inductance acquisition ring, 3-a main control mechanism and 4-a sliding cover;
11-track, 12-slot, 13-signal gain antenna, 14-handle; 21-induction winding, 22-protective shell, 23-metal pin; 31-a signal processing unit, 32-a processing chip, 33-a wireless data transmission module, 34-a display screen and 35-a power supply module; 41-line trough.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The technical solution of the present invention is further described below with specific examples, but the scope of the present invention is not limited to the following examples.
Embodiment 1: as shown in fig. 1 to 4, the current transformer specially used for metering comprises a shell 1, a mutual inductance collecting ring 2 arranged at one side of the shell 1, and a main control mechanism 3 arranged in the shell 1, wherein an induction winding 21 is arranged in the mutual inductance collecting ring 2, a pair of rails 11 is arranged at one side of the shell 1, three groups of slots 12 are arranged at the lower part between the two rails 11, and a sliding cover 4 is slidably assembled on the rails 11; the induction collecting ring 2 comprises a U-shaped epoxy resin protective shell 22, metal pins 23 are arranged at two ends of the protective shell 22, and the metal pins 23 are connected with winding coils of the induction winding 21 end to end; the induction collecting ring 2 is inserted into the slot 12 through a metal pin 23, and both sides of the sliding cover 4 are provided with wire passing slots 41; the induction collecting ring 2 can be completely exposed when the sliding cover 4 slides upwards, and the wire passing groove 41 corresponds to the induction collecting ring 2 when the sliding cover 4 slides downwards.
Embodiment 2: this special current transformer of measurement master control mechanism 3 includes signal processing unit 31, processing chip 32, wireless data transmission module 33, display screen 34 and power module 35, signal processing unit 31 includes multichannel analog quantity acquisition module, filtering module, signal amplification module and AD conversion module. The input end of the multi-channel analog quantity acquisition module is respectively connected with the slot 12, the output end of the multi-channel analog quantity acquisition module is connected with the input end of the processing chip 32 through the filtering module, the signal amplification module and the A/D conversion module, the processing chip 32 is in serial port communication connection with the wireless data transmission module 33 and the display screen 34, and the power module 35 is used for supplying DC3.3V/5V to the processing chip 32, the wireless data transmission module 33 and the display screen 34 respectively. The remaining structure and components are as described in embodiment 1, and the description will not be repeated.
Embodiment 3: the special current transformer for metering is characterized in that a signal gain antenna 13 is arranged on the shell 1, and the signal gain antenna 13 is connected with the wireless data transmission module 33. For ensuring the effect of remote data communication. A handle 14 is arranged above the shell 1. The device is convenient to move and transfer so as to adapt to quick metering test. The remaining structure and components are as described in embodiment mode 1, and the description is not repeated.
When in use: sliding the sliding cover upwards, pulling out the mutual inductance acquisition ring, buckling the cable to be tested into the ring, inserting the cable into the slot through the metal pins, and sliding the sliding cover downwards; the induction winding in the mutual inductance acquisition ring generates mutual inductance current, the signal processing unit carries out filtering, amplification and analog-to-digital conversion on the current and then sends the current to the processing chip, one path of the processing chip is output to the display screen, and the other path of the processing chip is sent to the remote mobile equipment or the background through the wireless data transmission module.
This special current transformer of measurement has overcome that current transformer induction coil structure protects unsatisfactory, the gauge outfit is connected and is influenced detection efficiency, the contact exposes and leads to the problem such as fault rate height, it pieces together the mutual inductance of inserting the connection through design and main part and gathers the ring, the cooperation protecting crust, the sliding closure protection, induction coil has effectively been protected, it is fixed to be crossed by the survey cable when having made things convenient for simultaneously to detect, in addition through the electron gauge outfit of integral type and carry out digital processing's main control mechanism to data collection, make it under the prerequisite of omitting fragile contact structure, detection efficiency and precision have been improved, and possess remote data synchronous monitoring function.
The above description shows the main features, the basic principles, and the advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A metering special current transformer is characterized in that: comprises a shell (1), a mutual inductance collecting ring (2) arranged on one side of the shell (1), and a main control mechanism (3) arranged in the shell (1), wherein an induction winding (21) is arranged in the mutual inductance collecting ring (2),
a pair of rails (11) is arranged on one side of the shell (1), three groups of slots (12) are arranged on the lower portion between the two rails (11), and a sliding cover (4) is assembled on the rails (11) in a sliding mode; the mutual inductance acquisition ring (2) comprises a U-shaped epoxy resin protective shell (22), metal pins (23) are arranged at two ends of the protective shell (22), and the metal pins (23) are connected with winding coils of the induction winding (21) end to end; the mutual inductance acquisition ring (2) is inserted into the slot (12) through a metal pin (23), and two sides of the sliding cover (4) are provided with wire passing grooves (41); under the state that the sliding cover (4) slides upwards, the mutual inductance acquisition ring (2) can be completely exposed, and under the state that the sliding cover (4) slides downwards, the wire passing groove (41) corresponds to the position of the mutual inductance acquisition ring (2).
2. The metering dedicated current transformer of claim 1, wherein: the main control mechanism (3) comprises a signal processing unit (31), a processing chip (32), a wireless data transmission module (33), a display screen (34) and a power supply module (35), wherein the signal processing unit (31) comprises a multi-channel analog quantity acquisition module, a filtering module, a signal amplification module and an A/D conversion module.
3. The metering dedicated current transformer of claim 2, wherein: the input end of the multi-channel analog quantity acquisition module is respectively connected with the slot (12), the output end of the multi-channel analog quantity acquisition module is connected with the input end of the processing chip (32) through the filtering module, the signal amplification module and the A/D conversion module, the processing chip (32) is in serial communication connection with the wireless data transmission module (33) and the display screen (34), and the power supply module (35) is used for supplying DC3.3V/5V to the processing chip (32), the wireless data transmission module (33) and the display screen (34).
4. The metering dedicated current transformer of claim 3, wherein: the shell (1) is provided with a signal gain antenna (13), and the signal gain antenna (13) is connected with the wireless data transmission module (33).
5. The metering dedicated current transformer according to claim 4, wherein: a handle (14) is arranged above the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221055812.2U CN218037040U (en) | 2022-05-05 | 2022-05-05 | Special current transformer for metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221055812.2U CN218037040U (en) | 2022-05-05 | 2022-05-05 | Special current transformer for metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218037040U true CN218037040U (en) | 2022-12-13 |
Family
ID=84373427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221055812.2U Active CN218037040U (en) | 2022-05-05 | 2022-05-05 | Special current transformer for metering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218037040U (en) |
-
2022
- 2022-05-05 CN CN202221055812.2U patent/CN218037040U/en active Active
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Address after: No. 1771, 17th Floor, Henan Zhongtian Aviation Building, Building 14, East Zone, Science and Technology Park, No. 279 West Third Ring Road, Zhengzhou High tech Industrial Development Zone, Henan Province, 450000 Patentee after: ZHENGZHOU KAIBEITE TRANSFORMER Co.,Ltd. Country or region after: China Address before: No.32, Jinsuo Road, high tech Development Zone, Zhengzhou, Henan 450000 Patentee before: ZHENGZHOU KAIBEITE TRANSFORMER Co.,Ltd. Country or region before: China |