CN210272055U - Combined electricity-taking measuring mutual inductor - Google Patents
Combined electricity-taking measuring mutual inductor Download PDFInfo
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- CN210272055U CN210272055U CN201921431913.3U CN201921431913U CN210272055U CN 210272055 U CN210272055 U CN 210272055U CN 201921431913 U CN201921431913 U CN 201921431913U CN 210272055 U CN210272055 U CN 210272055U
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- 230000005611 electricity Effects 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims description 21
- 230000000670 limiting effect Effects 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229910000889 permalloy Inorganic materials 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 13
- 238000004146 energy storage Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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Abstract
The utility model relates to a combined electricity-taking measuring mutual inductor, which comprises a shell, wherein the shell comprises a front shell and a rear shell, the front shell comprises a first shell and a second shell which are rotationally connected, and the rear shell comprises a third shell and a fourth shell which are rotationally connected; the locking connection structure is used for locking the front shell and the rear shell; the power taking module comprises a first power taking magnetic core and a second power taking magnetic core, a first framework is arranged on the outer side of the first power taking magnetic core, and the first framework is fixed on the inner wall of the first shell; a second framework is arranged on the outer side of the second electricity taking magnetic core and fixed on the inner wall of the second shell; the measuring module comprises a first measuring iron core and a second measuring iron core, a third framework is arranged on the outer side of the first measuring iron core, and the third framework is fixed on the inner wall of a third shell; a fourth framework is arranged on the outer side of the second measuring iron core and fixed on the inner wall of the fourth shell; the first framework is clamped with the third framework, and the second framework is clamped with the fourth framework; the installation is convenient, the operation is easy, and the assembly is convenient.
Description
Technical Field
The utility model relates to a mutual-inductor technical field especially relates to combination formula is got electricity and is measured mutual-inductor.
Background
The current transformer, as one of the important elements matched with the electrical equipment, is installed on a large current loop and provides signals for a measuring instrument, an instrument or a protection device according to the specified change. Specifically, a primary winding of a current transformer is connected in series in an electric circuit, and a secondary winding of the current transformer is connected with measuring equipment, so that the purpose of expanding the measuring range of the measuring equipment is achieved. However, most of the existing transformers have a single measurement function, and when the transformers are used, signal output wires are required to be connected with the transformers and the signal processing module, and the signal processing module also needs an external power supply, so that the transformers are troublesome to install and use. Some use environments are complex, such as high-altitude outdoor operation, so that the requirement on a connecting lead is high, a power supply also needs to be independently equipped, and the cost is high. In addition, the installation mode of the mutual inductor in the prior art is complex, at least two persons are needed to operate during construction, and especially for high-altitude operation, the installation of the mutual inductor is time-consuming and labor-consuming.
The utility model with application number 201811490262.5 discloses a passive wireless current sensor based on a bifilar current transformer, which comprises a bifilar current transformer, an mutual inductance energy-taking module, an energy storage module, a current sensing module, a signal processing module and a wireless transmitting module, wherein the bifilar current transformer comprises a primary side winding and two secondary side windings, the primary side winding is connected with a circuit to be measured, and the two secondary side windings are respectively connected with the mutual inductance energy-taking module and the current sensing module; the current sensing module is sequentially connected with the signal processing module and the wireless transmitting module, and converts a current signal into a voltage signal and then transmits the voltage signal to the signal processing module; the signal processing module carries out analog-to-digital conversion on the signal, calculates a current effective value and then transmits the current effective value to the wireless transmitting module, the wireless transmitting module outputs the current effective value to a cloud end, the mutual inductance energy taking module is connected with the energy storage module and provides electric energy input for the energy storage module, the energy storage module is respectively connected with the mutual inductance energy taking module, the current sensing module, the signal processing module and the wireless transmitting module and provides electric energy for the mutual inductance energy taking module, and the current sensing module is connected with the mutual inductance energy taking module and provides reference voltage for the mutual inductance energy taking module. This application has solved the power problem of getting of signal output problem and signal processing module. However, in the actual line current measurement, some continuous lines exist and cannot be separated, so that the current transformer cannot be connected into a measured circuit, and the purpose of measurement cannot be achieved; the structure of the transformer still needs to be improved, so that the transformer is convenient to install and the operation steps are simplified.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a reasonable in structure, stable performance and easy to assemble's combination formula is got electric and is measured mutual-inductor is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the combined electricity taking measurement mutual inductor comprises a shell, wherein an electricity taking module and a measurement module are arranged in the shell;
the middle part of the shell is provided with a wire guide hole, the shell comprises a front shell and a rear shell which are butted into a whole, the front shell comprises a first shell and a second shell which are rotatably connected, and the rear shell comprises a third shell and a fourth shell which are rotatably connected; further comprising a locking connection structure locking the front housing and the rear housing;
the electricity taking module comprises a first electricity taking magnetic core and a second electricity taking magnetic core, and the first electricity taking magnetic core and the second electricity taking magnetic core are butted to form an annular electricity taking magnetic core; a first framework is arranged on the outer side of the first electricity taking magnetic core and fixed on the inner wall of the first shell; a second framework is arranged on the outer side of the second electricity taking magnetic core and fixed on the inner wall of the second shell;
the measuring module comprises a first measuring iron core and a second measuring iron core, and the first measuring iron core and the second measuring iron core are butted to form an annular measuring magnetic core; a third framework is arranged on the outer side of the first measuring iron core and fixed on the inner wall of the third shell; a fourth framework is arranged on the outer side of the second measuring iron core and fixed on the inner wall of the fourth shell;
the first framework is clamped with the third framework, and the second framework is clamped with the fourth framework; the first skeleton with the outside of second skeleton is at least around having a set of first winding coil, the third skeleton with the outside of fourth skeleton is at least around having a set of second winding coil.
As a preferable technical scheme, the first housing and the third housing are both provided with first connecting pieces, the outer end faces of the first connecting pieces are provided with hinge holes, and at least partial inner walls of the hinge holes are provided with a plurality of combining grooves; and second connecting pieces are arranged at the positions of the second shell and the fourth shell corresponding to the first connecting pieces, and the second connecting pieces extend into the hinge holes.
As a preferred technical scheme, partition plates are arranged on the inner side surfaces of the first shell, the second shell, the third shell and the fourth shell, the partition plates divide an inner cavity into a magnetic core installation cavity and a signal module installation cavity, and a wire slot for communicating the magnetic core installation cavity with the signal module installation cavity is arranged on each partition plate; and the inner end surface of the first connecting piece is provided with a wire passing channel for communicating the signal module installation cavities on the two sides of the first connecting piece.
As a preferable technical solution, a limit table extending to the second housing side or the fourth housing side is provided on an outer side wall of the first connecting member, and the second housing and the fourth housing are provided with limit structures for limiting a rotation angle of the limit table.
As a preferred technical scheme, the locking connection structure comprises hooks fixed on the first shell and the third shell, and hanging buckles matched with the hooks are respectively arranged on the second shell and the fourth shell; the first shell and the third shell are respectively provided with a locking platform, and the hooks, the buckles and the locking platforms are provided with lead sealing holes.
As a preferred technical scheme, two ends of the first framework and two ends of the second framework are both provided with first connecting seats, and two ends of the third framework and two ends of the fourth framework are both provided with second connecting seats; the side face, facing the second connecting seat, of the first connecting seat is provided with a positioning clamping groove and a connecting clamping groove, and the second connecting seat is provided with a positioning block matched with the positioning clamping groove and a connecting clamping block matched with the connecting clamping groove.
As preferred technical scheme, first connecting seat with the joint portion that do not outwards extend is equallyd divide to the second connecting seat, first casing the second casing third casing with on the inner wall of fourth casing with the corresponding department in joint portion position is equipped with the draw-in groove, joint portion card is gone into in the draw-in groove.
As a preferred technical scheme, the power-taking magnetic core is made of permalloy materials, and the end part of the first power-taking magnetic core is inserted into the end part of the second power-taking magnetic core;
the measuring magnetic core is made of silicon steel or permalloy materials, and the end part of the first measuring magnetic core is inserted into the end part of the second measuring magnetic core.
As the preferred technical scheme, the first electricity-taking magnetic core, the second electricity-taking magnetic core, the first measuring magnetic core and the second measuring magnetic core are provided with extension parts extending along the radial direction of the first electricity-taking magnetic core and the second measuring magnetic core.
As a preferred technical scheme, a plurality of fixed elastic pieces are arranged on the front shell or the rear shell, and the fixed elastic pieces extend into the wire hole.
The combined electricity-taking measuring transformer has both electricity-taking function and measuring function, does not need an external power supply, and is convenient for installation and use; the electricity taking magnetic core, the measuring magnetic core and the shell can be opened and closed, and the conducting wire can be installed without being disconnected, so that the operation is easy; the shell, the electricity-taking magnetic core and the measuring magnetic core are reasonable in structure and convenient to assemble.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first viewing angle according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
fig. 4 is a schematic diagram of the internal structure of the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a housing according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of the first and second housings and the third and fourth housings in the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a first view angle of a second housing or a fourth housing in the embodiment of the present invention;
fig. 8 is a schematic structural diagram of a second view angle of the second casing or the fourth casing in the embodiment of the present invention;
fig. 9 is a schematic structural diagram of a first view angle of the first casing or the third casing in the embodiment of the present invention;
fig. 10 is a schematic structural diagram of a second view angle of the first casing or the third casing in the embodiment of the present invention;
fig. 11 is a schematic structural diagram of a measurement magnetic core in an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a power-taking magnetic core in an embodiment of the present invention;
fig. 13 is a schematic view of a connection structure of the first frame and the second frame and the third frame and the fourth frame in the embodiment of the present invention;
fig. 14 is a schematic structural view of a first viewing angle of a partial connection structure of a second connection seat according to an embodiment of the present invention;
fig. 15 is a schematic structural view of a second viewing angle of a partial connection structure of a second connecting seat according to an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a first view angle of a partial connection structure of a first connector according to an embodiment of the present invention;
fig. 17 is a schematic structural diagram of a second view angle of a partial connection structure of a first connector according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, modular electricity-taking measuring mutual inductor comprises a housing, wherein a wire guide hole is formed in the middle of the housing, the housing comprises a front housing and a rear housing which are mutually butted into a whole, the front housing comprises a first housing 1 and a second housing 2 which are rotatably connected, and the rear housing comprises a third housing 3 and a fourth housing 4 which are rotatably connected. Specifically, as shown in fig. 3 to 10, the first housing 1 and the third housing 3 are both provided with a first connecting member 12, an outer end surface of the first connecting member 12 is provided with a hinge hole 22, and at least a partial inner wall of the hinge hole 22 is provided with a plurality of combining grooves; the second connecting piece 11 is arranged at the corresponding position of the second shell 2 and the fourth shell 4 with the first connecting piece 12, the second connecting piece 11 extends into the hinge hole 22, and the second connecting piece 11 can rotate relative to the hinge hole 22. The purpose of the combined rotation of the first casing 1 and the second casing 2 and the combined rotation of the third casing 3 and the fourth casing 4 can be achieved without requiring any additional parts during assembly. During installation, the wire hole can be opened, and the mutual inductor can be directly sleeved on the outer side of the complete wire.
As shown in fig. 6, the inner side surfaces of the first casing 1, the second casing 2, the third casing 3 and the fourth casing 4 are all provided with a partition 17, the partition 17 divides the inner cavity into a magnetic core installation cavity 16 and a signal module installation cavity 15, and a magnetic core coil and a signal acquisition unit are respectively placed in the magnetic core installation cavity 16 and the signal module installation cavity 15. The locking connection structure is used for locking the front shell and the rear shell; as shown in fig. 2, 5, 6, 7, 8, 9 and 10, the locking connection structure includes hooks 64 fixed on the first casing 1 and the third casing 3, and hooks 63 matched with the hooks 64 are respectively arranged on the second casing 2 and the fourth casing 4; the opening of the shell is matched with the groove 65 on the hanging buckle 63 through the hook 64, so that two halves of the transformer can be combined more stably, and the use by a user is facilitated. The first shell 1 and the third shell 3 are further provided with locking platforms 61 respectively, the two hooks 64, the two hanging buckles 63 and the two locking platforms 61 are provided with lead sealing holes 62, and lead sealing lines can be threaded and lead seals can be pressed on after the installation of the mutual inductor is completed.
Be equipped with in the magnetic core installation cavity 16 and get electric module and measuring module, get the electric module and provide the work for signal processing module and need the power, measuring module gathers the electric current in the circuit, transmits in the signal processing module. As shown in fig. 12 and 13, the power-taking module includes a first power-taking magnetic core 81 and a second power-taking magnetic core 82, and the first power-taking magnetic core 81 and the second power-taking magnetic core 82 are butted to form an annular power-taking magnetic core 8; a first framework 10 is arranged on the outer side of the first electricity-taking magnetic core 81, and the first framework 10 is fixed on the inner wall of the first shell 1; the second framework 29 is arranged outside the second power magnetic core 82, and the second framework 29 is fixed on the inner wall of the second shell 2. As shown in fig. 11 and 13, the measuring module includes a first measuring core 71 and a second measuring core 72, and the first measuring core 71 and the second measuring core 72 are butted to form an annular measuring core 7; a third framework 9 is arranged on the outer side of the first measuring iron core 71, and the third framework 9 is fixed on the inner wall of the third shell 3; the outer side of the second measurement iron core 72 is provided with a fourth skeleton 30, and the fourth skeleton 30 is fixed on the inner wall of the fourth casing 4.
As shown in fig. 13, the first frame 10 is clamped with the third frame 9, and the second frame 29 is clamped with the fourth frame 30; but get electric module and measuring module rapid Assembly and form an organic whole, combine spacing each other, can realize rapid Assembly. Specifically, two ends of the first framework 10 and two ends of the second framework 29 are respectively provided with a first connecting seat 23, and two ends of the third framework 9 and two ends of the fourth framework 30 are respectively provided with a second connecting seat 24; the side surface of the first connecting seat 23 facing the second connecting seat 24 is provided with a positioning clamping groove 28 and a connecting clamping groove 27, and the second connecting seat 24 is provided with a positioning block 25 matched with the positioning clamping groove 28 and a connecting clamping block 26 matched with the connecting clamping groove 27.
As shown in fig. 6, fig. 7, fig. 9 and fig. 13, first connecting seat 23 and second connecting seat 24 equally divide and do not are equipped with the joint portion of outside extension, first casing 1 second casing 2 third casing 3 with on the inner wall of fourth casing 4 with the corresponding department in joint portion position is equipped with draw-in groove 20, joint portion card is gone into in the draw-in groove 20, realize being connected of first skeleton 10 and first casing 1, second skeleton 29 and second casing 2, third skeleton 9 and third casing 3 and being connected of fourth skeleton 30 and fourth casing 4.
At least one set of first winding coil is wound on the outer sides of the first bobbin 10 and the second bobbin 29, at least one set of second winding coil is wound on the outer sides of the third bobbin 9 and the fourth bobbin 30, the first winding coil and the second winding coil are not shown in the drawings in the specification, and preferably, the first winding coil is uniformly wound on the outer sides of the first bobbin 10 and the second bobbin 29, and the second winding coil is uniformly wound on the outer sides of the third bobbin 9 and the fourth bobbin 30. The winding coil can be quickly assembled when the framework and the shell are assembled, and can be limited, the winding coil cannot randomly shake in the shell, and the stability and consistency of the assembled winding are guaranteed. A wire slot 18 for communicating the magnetic core mounting cavity 16 with the signal module mounting cavity 15 is arranged on the partition plate 17; the inner end face of the first connecting piece 12 is provided with a wire passing channel 13 communicated with the signal module mounting cavities 15 on the two sides of the first connecting piece. The wire can be connected with the windings on both sides through the wire passage 13, so that the coils on both sides of the first connecting member 12 form a closed winding. The outer side wall of the first connecting piece 12 is provided with a limiting table 14 extending towards the second casing 2 side or the fourth casing 4 side, the second casing 2 and the fourth casing 4 are provided with limiting structures 21 limiting the rotation angle of the limiting table 14, as shown in fig. 7, the limiting structures 21 are limiting upright columns arranged on the second casing 2 and the fourth casing 4, the limiting table 14 can rotate in the space between the two limiting upright columns, the activity stress of a lead is reduced, and therefore the lead can be better ensured not to be damaged when being opened and closed.
The electricity-taking magnetic core 8 is made of a high-permeability material with high initial permeability, such as a permalloy material, so that the transformer can achieve the required power when the current is very small, the sectional area of the electricity-taking magnetic core 8 is small, the magnetic core can be quickly saturated, the output voltage cannot be too high when large current is input, and further, the following circuit can be protected from being damaged due to too high voltage. The measuring magnetic core 7 is made of high-permeability materials, such as silicon steel, permalloy and the like, and the sectional area of the magnetic core is large, so that the measuring precision is high, the saturation resistance is high, the linearity is good, and accurate signal output can be realized. The power-taking magnetic core 8 and the measuring magnetic core 7 are riveted by rivets so as to ensure tight insertion and good signal output consistency.
The end of the first power-taking magnetic core 81 is inserted into the end of the second power-taking magnetic core 82; the end of the first measuring core 71 is plugged into the end of the second measuring core 72. The electricity-taking magnetic core 8 and the measuring magnetic core 7 are combined in a butt-inserting mode, and are relatively stable and good in consistency after being combined. The end parts of the first electricity-taking magnetic core 81, the second electricity-taking magnetic core 82, the first measuring magnetic core 71 and the second measuring magnetic core 72 are provided with extension parts extending along the radial direction of the first electricity-taking magnetic core, the magnetic cores at opposite insertion positions of the magnetic cores are wider than other positions, the contact area at the interface is enlarged, the magnetic flux leakage is reduced, and the high precision of signal output is ensured; meanwhile, the device can be matched with the framework, has a limiting effect and can be quickly assembled.
The front shell or the rear shell is provided with a plurality of fixed elastic sheets 5, and the fixed elastic sheets 5 extend into the wire hole. The shell is close to the position of the wire hole and is provided with a corresponding elastic sheet groove: the fixing elastic sheet 5 is inserted in the elastic sheet groove, and the purpose of quick fixing is achieved by utilizing the elasticity of the fixing elastic sheet 5 to be matched with the cable.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The combined electricity taking measurement mutual inductor comprises a shell, wherein an electricity taking module and a measurement module are arranged in the shell; the method is characterized in that:
the middle part of the shell is provided with a wire guide hole, the shell comprises a front shell and a rear shell which are butted into a whole, the front shell comprises a first shell and a second shell which are rotatably connected, and the rear shell comprises a third shell and a fourth shell which are rotatably connected; further comprising a locking connection structure locking the front housing and the rear housing;
the electricity taking module comprises a first electricity taking magnetic core and a second electricity taking magnetic core, and the first electricity taking magnetic core and the second electricity taking magnetic core are butted to form an annular electricity taking magnetic core; a first framework is arranged on the outer side of the first electricity taking magnetic core and fixed on the inner wall of the first shell; a second framework is arranged on the outer side of the second electricity taking magnetic core and fixed on the inner wall of the second shell;
the measuring module comprises a first measuring iron core and a second measuring iron core, and the first measuring iron core and the second measuring iron core are butted to form an annular measuring magnetic core; a third framework is arranged on the outer side of the first measuring iron core and fixed on the inner wall of the third shell; a fourth framework is arranged on the outer side of the second measuring iron core and fixed on the inner wall of the fourth shell;
the first framework is clamped with the third framework, and the second framework is clamped with the fourth framework; the first skeleton with the outside of second skeleton is at least around having a set of first winding coil, the third skeleton with the outside of fourth skeleton is at least around having a set of second winding coil.
2. The combined power-taking measuring transformer according to claim 1, characterized in that: the first shell and the third shell are both provided with first connecting pieces, hinge holes are formed in the outer end faces of the first connecting pieces, and at least a part of the inner walls of the hinge holes is provided with a plurality of combining grooves; and second connecting pieces are arranged at the positions of the second shell and the fourth shell corresponding to the first connecting pieces, and the second connecting pieces extend into the hinge holes.
3. The combined power-taking measuring transformer according to claim 2, characterized in that: the inner side surfaces of the first shell, the second shell, the third shell and the fourth shell are all provided with a partition plate, the partition plate divides an inner cavity into a magnetic core installation cavity and a signal module installation cavity, and the partition plate is provided with a wire groove communicated with the magnetic core installation cavity and the signal module installation cavity; and the inner end surface of the first connecting piece is provided with a wire passing channel for communicating the signal module installation cavities on the two sides of the first connecting piece.
4. The combined power-taking measuring transformer according to claim 3, characterized in that: the outer side wall of the first connecting piece is provided with a limiting platform extending towards the second shell side or the fourth shell side, and the second shell and the fourth shell are provided with limiting structures limiting rotation angles of the limiting platform.
5. The combined power taking and measuring transformer according to any one of claims 1 to 4, characterized in that: the locking connection structure comprises hooks fixed on the first shell and the third shell, and hanging buckles matched with the hooks are respectively arranged on the second shell and the fourth shell; the first shell and the third shell are respectively provided with a locking platform, and the hooks, the buckles and the locking platforms are provided with lead sealing holes.
6. The combined power-taking measuring transformer according to claim 1, characterized in that: two ends of the first framework and two ends of the second framework are respectively provided with a first connecting seat, and two ends of the third framework and two ends of the fourth framework are respectively provided with a second connecting seat; the side face, facing the second connecting seat, of the first connecting seat is provided with a positioning clamping groove and a connecting clamping groove, and the second connecting seat is provided with a positioning block matched with the positioning clamping groove and a connecting clamping block matched with the connecting clamping groove.
7. The combined power-taking measuring transformer according to claim 6, characterized in that: first connecting seat with the joint portion that do not is equipped with outside extension is equallyd divide to the second connecting seat, first casing the second casing the third casing with on the inner wall of fourth casing with joint portion position department of correspondence is equipped with the draw-in groove, joint portion card is gone into in the draw-in groove.
8. The combined power-taking measuring transformer according to claim 1, characterized in that:
the power-taking magnetic core is made of permalloy materials, and the end part of the first power-taking magnetic core is connected with the end part of the second power-taking magnetic core in an inserting mode;
the measuring magnetic core is made of silicon steel or permalloy materials, and the end part of the first measuring magnetic core is inserted into the end part of the second measuring magnetic core.
9. The combined power-taking measuring transformer according to claim 8, characterized in that: the first electric magnetic core, the second electric magnetic core, the first measuring magnetic core and the second measuring magnetic core are provided with extension parts extending along the radial direction of the first measuring magnetic core and the second measuring magnetic core.
10. The combined power-taking measuring transformer according to claim 1, characterized in that: the front shell or the rear shell is provided with a plurality of fixed elastic pieces, and the fixed elastic pieces stretch into the wire holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431913.3U CN210272055U (en) | 2019-08-30 | 2019-08-30 | Combined electricity-taking measuring mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431913.3U CN210272055U (en) | 2019-08-30 | 2019-08-30 | Combined electricity-taking measuring mutual inductor |
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| Publication Number | Publication Date |
|---|---|
| CN210272055U true CN210272055U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921431913.3U Withdrawn - After Issue CN210272055U (en) | 2019-08-30 | 2019-08-30 | Combined electricity-taking measuring mutual inductor |
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| CN (1) | CN210272055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415956A (en) * | 2019-08-30 | 2019-11-05 | 济南铂晶电子科技有限公司 | Combined type takes electrical measurement mutual inductor |
| CN113470954A (en) * | 2021-06-03 | 2021-10-01 | 河南平高电气股份有限公司 | Mutual inductor |
-
2019
- 2019-08-30 CN CN201921431913.3U patent/CN210272055U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110415956A (en) * | 2019-08-30 | 2019-11-05 | 济南铂晶电子科技有限公司 | Combined type takes electrical measurement mutual inductor |
| CN110415956B (en) * | 2019-08-30 | 2024-08-16 | 济南铂晶电子科技有限公司 | Combined electricity-taking and measuring transformer |
| CN113470954A (en) * | 2021-06-03 | 2021-10-01 | 河南平高电气股份有限公司 | Mutual inductor |
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Address after: No. 206, Type D, Building 2, Luneng Kangqiao Development Center, No. 18, North Second Ring Road, Weijiazhuang, Tianqiao District, Jinan City, Shandong Province, 250,000 Patentee after: Jinan Bojing Electronic Technology Co.,Ltd. Address before: No. 206, Type D, Building 2, Luneng Kangqiao Development Center, No. 18, North Second Ring Road, Weijiazhuang, Tianqiao District, Jinan City, Shandong Province, 250,000 Patentee before: JINAN BOJING ELECTRONIC Co.,Ltd. |
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Denomination of utility model: Combination power measurement transformer Granted publication date: 20200407 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: Jinan Bojing Electronic Technology Co.,Ltd. Registration number: Y2024980005235 |
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Denomination of utility model: Combination power measurement transformer Granted publication date: 20200407 Pledgee: Bank of Beijing Co.,Ltd. Jinan Branch Pledgor: Jinan Bojing Electronic Technology Co.,Ltd. Registration number: Y2024980006614 |
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