CN115656608A - Distribution line lightning current distributed monitoring method adopting magnetic sensing array - Google Patents
Distribution line lightning current distributed monitoring method adopting magnetic sensing array Download PDFInfo
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- CN115656608A CN115656608A CN202211351401.2A CN202211351401A CN115656608A CN 115656608 A CN115656608 A CN 115656608A CN 202211351401 A CN202211351401 A CN 202211351401A CN 115656608 A CN115656608 A CN 115656608A
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Abstract
The invention discloses a distributed monitoring method for lightning current of a distribution line by adopting a magnetic sensing array, which comprises a connecting mechanism, a connecting mechanism and a monitoring device, wherein the connecting mechanism comprises a shell, a rotating piece arranged on one side of the shell and a spring locking piece arranged on one side of the shell; still include, detection mechanism, its including set up in the circuit board of shell one side, install in the magnetic sensing sensor on circuit board surface, set up in the input/output wiring mouth of shell one side, install and dismantle the collector through the spring locking piece that sets up, can conveniently realize the installation and the dismantlement of collector, can be to the real-time supervision of distribution lines lightning current to through the feedback of current data, whether normal operating can effectively analyze the distribution lines, can in time discover the problem, further promote the stability of distribution lines work.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a distributed monitoring method for lightning current of a distribution line by adopting a magnetic sensor array.
Background
The distribution electric wire netting is as electric power system's end, and direct relation has user's power consumption safety and reliability, and along with electric power load increases day by day, the distribution electric wire netting power supply reliability is low, the problem that the detection level is not enough is increasingly outstanding, and is relatively poor to electric wire clamping stability, consequently has the important function to the normal operating of electric wire netting to distribution lines ' current detection.
At present common monitoring to distribution network current often adopts bar magnet method, tape method etc. and these are easily disturbed by the magnetic field, are difficult to guarantee its stability of gathering current data, and this patent adopts the mode of magnetic sensing array to realize relying on magnetic sensing sensor small to distribution lines thunder and current distributed monitoring, and the precision is high, and advantages such as easy operation realize the stable monitoring to distribution lines thunder and current.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and title of the application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of the above-mentioned problem of unstable wire clamping by the conventional detection device, an object of the present invention is to provide a magnetic sensor array sensor device, which includes: the electric wire can be better clamped.
In order to solve the technical problems, the invention provides the following technical scheme: the connecting mechanism comprises a shell, a rotating piece arranged on one side of the shell and a spring locking piece arranged on one side of the shell; the detection mechanism comprises a circuit board arranged on one side of the shell, a magnetic sensing sensor arranged on the surface of the circuit board, and an input/output wiring port arranged on one side of the shell.
As a preferable aspect of the magnetic sensor array based sensor device of the present invention, wherein: the shell is formed by two semicircular and hollow casing combinations, the shell with the rotating member rotates to be connected, the spring retaining member is equipped with four groups, and the symmetric distribution is in shell one side, the circuit board with the magnetic sensing sensor all is fan-shaped structure, the circuit board is equipped with two, corresponds to set up in two one side of shell, the magnetic sensing sensor is equipped with four groups, is first magnetic sensing sensor, second magnetic sensing sensor, third magnetic sensing sensor and fourth magnetic sensing sensor respectively, and the symmetry sets up in two the surface of circuit board, the ring channel has been seted up to one side of shell.
As a preferable aspect of the magnetic sensor array based sensor device of the present invention, wherein: spring retaining member includes the rectangle shell, sets up in the groove of rectangle shell, set up in the stopper of groove one end, and set up in the piece that slides of inslot portion, set up in the inside positive ladder type piece of rectangle shell, fixed connection in the ejector pin of positive ladder type piece bottom, sliding connection in the type piece that falls of ejector pin, and fixed set up in the restriction piece and the first spring of ejector pin bottom.
As a preferable aspect of the sensor device based on magnetic sensing array of the present invention, wherein: one side of shell is provided with first spacing ring and second spacing ring, first spacing ring with the second spacing ring all is the semicircular in shape setting and through tooth and the groove card and the connection that set up, the fixed transfer line that is provided with of one end of second spacing ring.
As a preferable aspect of the sensor device based on magnetic sensing array of the present invention, wherein: one side of shell is provided with first fixed block and second fixed block, first round hole has been seted up to first fixed block, first round hole and stock sliding connection, the second round hole has been seted up to the second fixed block, the inside button that still is provided with of second fixed block, the threaded hole is seted up to the button, button bottom is provided with the second spring, second spring bottom fixedly connected with second ejector pin, the inside fixed mounting of second fixed block has T type base, transverse groove and perpendicular groove have been seted up to T type base, second ejector pin and perpendicular groove sliding connection, the inside movable block that is provided with of transverse groove.
As a preferable aspect of the magnetic sensor array based sensor device of the present invention, wherein: one side of the second ejector rod is provided with a heart-shaped groove and a limiting rod in sliding connection with the heart-shaped groove.
The invention has the beneficial effects that:
this device has adopted open-close type structural design, installs and dismantles the collector through the spring retaining member that sets up, can conveniently realize the installation and the dismantlement of collector.
In view of the above-mentioned problem that the conventional detection device is unstable and susceptible to interference, the present invention aims to provide a distributed monitoring method for lightning current of a distribution line using a magnetic sensor array, and aims to: the stability of data is kept, and the problem of timely feedback is solved.
In order to solve the technical problems, the invention provides the following technical scheme: and a magnetic core is arranged in the middle of each magnetic sensing sensor, the magnetic sensing sensors are arranged in an array, and two opposite magnetic sensing sensors respectively measure transient current and power frequency current.
As a preferable scheme of the distributed monitoring method for lightning current of the distribution line by using the magnetic sensor array, the method comprises the following steps: the low-frequency signal is output to the first magnetic sensor and the third magnetic sensor by using a low-pass filter, and the high-frequency signal is output to the second magnetic sensor and the fourth magnetic sensor by using a high-pass filter.
As a preferable scheme of the distributed monitoring method for lightning current of the distribution line by using the magnetic sensor array, the method comprises the following steps: and calculating current through the low-frequency signal and the high-frequency signal, and finally respectively obtaining transient current and rated current in an averaging mode.
As a preferable scheme of the distributed monitoring method for lightning current of the distribution line by using the magnetic sensor array, the method comprises the following steps: and data transmission is realized by adopting a narrow-band Internet of things communication mode, and the data acquired by the sensor is transmitted to a master control room.
The invention has the following beneficial effects: can be to distribution lines lightning current's real-time supervision to through current data's feedback, whether normal operating can effectively be analyzed distribution lines, can in time discover the problem, further promote distribution lines job stabilization nature.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a three-dimensional diagram of a magnetic sensor array sensor device according to the present invention.
Fig. 2 is a front view of a magnetic sensor array sensor device provided by the present invention.
FIG. 3 is a rear view of a magnetic sensor array sensor apparatus according to the present invention.
FIG. 4 is a right side view of a magnetic sensor array sensor apparatus according to the present invention
Fig. 5 is an enlarged sectional view taken at a in fig. 4 according to the present invention.
Fig. 6 is a schematic view of a stop collar provided in the present invention.
FIG. 7 is an enlarged view of B of FIG. 6 according to the present invention.
Figure 8 is a cross-sectional view of the spring self-locking element.
Fig. 9 is a flowchart of a distributed lightning current monitoring method for a distribution line using a magnetic sensor array according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 to 8, a first embodiment of the present invention provides a connection mechanism for locking an electric wire.
Specifically, the connecting mechanism 100 comprises a housing 101, a rotating member 102 arranged on one side of the housing 101, and a spring locking member 103 arranged on one side of the housing 101;
further, the shell 101 is formed by combining two semicircular and hollow shells, the shell 101 is rotatably connected with the rotating part 102, four sets of spring locking pieces 103 are symmetrically distributed on one side of the shell 101, one side of the shell 101 is provided with an annular groove 101a, one side of the shell 101 is provided with a first limiting ring 101b and a second limiting ring 101c, the first limiting ring 101b and the second limiting ring 101c are both arranged in a semicircular shape and are clamped and connected through a set tooth 101b-1 and a set groove 101c-1, one end of the second limiting ring 101c is fixedly provided with a transmission rod 101c-1, one side of the shell 101 is provided with a first fixed block 101d and a second fixed block 101e, the first fixed block 101d is provided with a first circular hole 101d-1, the first circular hole 101d-1 is slidably connected with a long rod 101d-2, the second fixed block 101e is provided with a second circular hole 101e-1, a button 104 is further arranged inside the second fixed block 101e, the button 104 is provided with a second spring 105, the bottom of the second spring 105 is fixedly connected with a second fixed block 101e, a second fixed block 101e is provided with a base 106, a sliding block 106b is provided with a base seat, a sliding groove 107 and a sliding block 106, a sliding block 106 is connected with a vertical groove 107, a vertical push rod 107 is arranged inside a vertical groove 107 is arranged, and a vertical groove 107 is arranged inside a vertical push rod 106.
Preferably, in use, since the magnetic sensor array sensor device is of a half-open structure, the magnetic sensor array sensor device is opened, the electric wire is clamped inside, the housing 101 is closed, so that the first and second position-limiting rings 101b and 101c are engaged with each other through the groove 101c-1 and the tooth 101b-1 provided therein, and at the same time, the first and second fixing blocks 101d and 101e are also engaged with each other, the rod 101d-2 is taken up, one end of the screw thread is inserted into the first round hole 101d-1, the screw thread is inserted into the screw hole 104a formed in the button 104 through the second round hole 101e-1, the rod 101d-2 is rotated, so that the rod 101d-2 is screwed to the button 104 through the screw hole 104a, the button 104 is then pressed 101d-2, the button 104 is driven, the second spring 105 is installed on the base of the button 104, and the other end of the second spring 105 is fixedly connected to the second push rod 106, therefore, the second top rod 106 moves synchronously with the button 104 under the thrust of the spring, the T-shaped base 107 is fixedly installed inside the second fixed block 101e, the T-shaped base 107 is provided with a transverse groove 107a and a vertical groove 107b, the second top rod 106 moves up and down in the vertical groove 107b, the second top rod 106 is provided with a groove jointed with the moving block 108 at the transverse groove 107a, the moving block 108 moves relatively on the second top rod 106 through the groove, and the moving block 108 is limited by the fact that the top and the bottom of the transverse groove 107a and the two ends of the bottom of the button 104 are in shapes jointed with the moving block 108, so that when the second top rod 106 moves downwards, the moving block 108 moves rightwards, one end of the second fixed block 101e is provided with a groove, and the other end of the transmission rod 101c-2 fixedly connected with the second limit ring 101c is fixedly connected with the moving block 108 Therefore, the moving block 108 moves rightwards, the second limiting ring 101c also moves rightwards, and as the first limiting ring 101b and the second limiting ring 101c are clamped and connected, the first limiting ring 101b and the second limiting ring 101c synchronously move along the annular groove 101a, so that the spring loses the constraint of the first limiting ring 101b and the second limiting ring 101c, and the spring is unfolded to lock the electric wire;
example 2
Referring to fig. 1 to 8, a second embodiment of the present invention, which is different from the first embodiment, is: the present embodiment provides a spring lock.
Specifically, the spring locking member 103 comprises a rectangular shell 103a, a groove 103a-1 formed in the rectangular shell 103a, a stop block 103a-2 disposed at one end of the groove 103a-1, a sliding block 103a-3 disposed in the groove 103a-1, a positive ladder block 103b disposed in the rectangular shell 103a, a top bar 103c fixedly connected to the bottom of the positive ladder block 103b, a reverse ladder block 103d slidably connected to the top bar 103c, a stop block 103c-1 and a first spring 103c-2 fixedly disposed at the bottom of the top bar 103 c.
Further, when the second top rod 106 moves downward, one end of the limiting rod 106b moves along the heart-shaped groove 106a formed in the second top rod 106, and the other end of the limiting rod is hinged to the inside of the second fixing block 101e, so that when one section of the limiting rod 106b moves to the concave position of the heart-shaped groove 106a, self-locking is completed, and when the long rod 101d-2 is pressed again, the second top rod 106 moves synchronously, so that unlocking is completed, and the first limiting ring 101b and the second limiting ring 101c move leftwards synchronously by the moving block 108.
Preferably, when the first retainer ring 101b and the second retainer ring 101c are both located inside the annular groove 101a, the spring is ejected to lock the electric wire due to the loss of the binding of the spring, and when the device is disassembled, the four sliding blocks 103a-3 are pushed inwards along the rectangular shell 103a, and no symmetrical limiting block 103c-1 is provided in the rectangular shell 103a, when the sliding block 103a-2 drives the right trapezoidal block 103b and the inverted trapezoidal block 103c to move, the top of the right trapezoidal block 103b and the top of the inverted trapezoidal block 103c are arranged oppositely, so that when the sliding block 103a-3 is pushed for the first time, the right trapezoidal block 103b is clamped in the limiting block, and when the sliding block 103a-3 is pushed for the second time, the inverted trapezoidal block 103d is moved into the limiting block 103c-1, and when the inverted trapezoidal block 103d is arranged obliquely, under the action of the first spring 103c-2, the inverted trapezoidal block 103d pushes the limiting block 103c-1 to move, and the two ends of the right trapezoidal block 103b and the inverted trapezoidal block 103c are retracted together, so that the length of the right trapezoidal block 103b and the right trapezoidal block 103c are extended together.
Example 3
Referring to fig. 1 to 9, a third embodiment of the present invention is different from the second embodiment in that: the embodiment provides a distributed monitoring method for lightning current of a distribution line by adopting a magnetic sensor array.
Specifically, the detection mechanism 200 includes a circuit board 201 disposed on one side of the housing 101, a magnetic sensor 202 mounted on a surface of the circuit board 201, and an input/output connection port 203 disposed on one side of the housing 101.
Further, the circuit board 201 and the magnetic sensor 202 are both in a fan-shaped structure, two circuit boards 201 are arranged and correspondingly arranged on one side of the two housings 101, and four sets of the magnetic sensors 202 are arranged, namely a first magnetic sensor 202a, a second magnetic sensor 202b, a third magnetic sensor 202c and a fourth magnetic sensor 202d, which are symmetrically arranged on the surfaces of the two circuit boards 201.
Preferably, the magnetic sensing element utilizes the tunnel magnetoresistance effect of the magnetic multilayer film material, essentially, is a magnetic resistor, in the design, the magnetic sensing sensors are arranged in an array, two opposite magnetic sensing sensors respectively measure transient current and power frequency current, the ampere loop theorem shows that the current generating the interference magnetic field is outside an integral path, so that the integral result is not influenced, after the currents measured by two groups of magnetic sensing sensors installed in opposite positions are obtained, the transient current and the rated current are respectively obtained in an averaging mode
Preferably, when the apparatus clamps the electric wire, the first and third magnetic sensors 202a and 202c are applied with a low pass filter to filter a high frequency wave, release a low frequency wave, and integrate an output signal to calculate a current, and at the same time, the second and fourth magnetic sensors 202b and 220d are applied with a low pass filter to filter a low frequency wave, release a high frequency wave, and integrate an output signal to calculate a current, and then the results of the first and third magnetic sensors 202a and 202c are averaged to collect a rated current, and then the results of the second and fourth magnetic sensors 202b and 202d are averaged to collect a transient current.
The magnetic sensor may be of the TAS2143 type.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A magnetic sensing array sensor apparatus, characterized by: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a connecting mechanism (100) comprising a housing (101), a rotating member (102) arranged on one side of the housing (101), and a spring locking member (103) arranged on one side of the housing (101); also comprises the following steps of (1) preparing,
the detection mechanism (200) comprises a circuit board (201) arranged on one side of the shell (101), a magnetic sensing sensor (202) arranged on the surface of the circuit board (201), and an input/output wiring port (203) arranged on one side of the shell (101).
2. The magnetic sensing array sensor device of claim 1, wherein: the casing (101) is formed by two semicircular and hollow casing combinations, casing (101) with rotating member (102) rotates to be connected, spring retaining member (103) are equipped with four groups, and the symmetric distribution is in casing (101) one side, circuit board (201) with magnetic sensing sensor (202) all are fan-shaped structure, circuit board (201) are equipped with two, correspond to set up in two one side of casing (101), magnetic sensing sensor (202) are equipped with four groups, are first magnetic sensing sensor (202 a), second magnetic sensing sensor (202 b), third magnetic sensing sensor (202 c) and fourth magnetic sensing sensor (202 d) respectively, and the symmetry sets up in two the surface of circuit board (201), annular groove (101 a) has been seted up to one side of casing (101).
3. The magnetic sensing array sensor device of claim 2, wherein: the spring locking piece (103) comprises a rectangular shell (103 a) arranged on one side of the shell (101), a groove (103 a-1) formed in the rectangular shell (103 a), a limiting block (103 a-2) arranged at one end of the groove (103 a-1), a sliding block (103 a-3) arranged in the groove (103 a-1), a positive ladder-shaped block (103 b) arranged in the rectangular shell (103 a), a top rod (103 c) fixedly connected to the bottom of the positive ladder-shaped block (103 b), a reverse ladder-shaped block (103 d) connected to the top rod (103 c) in a sliding mode, and a limiting block (103 c-1) and a first spring (103 c-2) fixedly arranged at the bottom of the top rod (103 c).
4. The magnetic sensing array sensor device of claim 3, wherein: one side of the shell (101) is provided with a first limiting ring (101 b) and a second limiting ring (101 c), the first limiting ring (101 b) and the second limiting ring (101 c) are both arranged in a semicircular shape and are clamped and connected through a set tooth (101 b-1) and a set groove (101 c-1), and one end of the second limiting ring (101 c) is fixedly provided with a transmission rod (101 c-1).
5. The magnetic sensing array sensor device according to any of claims 1 to 4, wherein: a first fixing block (101 d) and a second fixing block (101 e) are arranged on one side of the shell (101), a first round hole (101 d-1) is formed in the first fixing block (101 d), the first round hole (101 d-1) is connected with a long rod (101 d-2) in a sliding mode, a second round hole (101 e-1) is formed in the second fixing block (101 e), a button (104) is further arranged inside the second fixing block (101 e), a threaded hole (104 a) is formed in the button (104), a second spring (105) is arranged at the bottom of the button (104), a second ejector rod (106) is fixedly connected to the bottom of the second spring (105), a T-shaped base (107) is fixedly arranged inside the second fixing block (101 e), a transverse groove (107 a) and a vertical groove (107 b) are formed in the T-shaped base (107), the second ejector rod (106) is connected with the vertical groove (107 b) in a sliding mode, and a moving block (108) is arranged inside the transverse groove.
6. The magnetic sensing array sensor device of claim 5, wherein: one side of the second top rod (106) further comprises a heart-shaped groove (106 a) formed in the second top rod, and a limiting rod (106 b) connected with the heart-shaped groove (106 a) in a sliding mode.
7. A distribution line lightning current distributed monitoring method adopting a magnetic sensing array is characterized in that: the method comprises the steps that a magnetic core is arranged in the middle of each magnetic sensing sensor (202), the magnetic sensing sensors (202) are arranged in an array mode, and transient current and power frequency current are respectively measured by the two opposite magnetic sensing sensors (202).
8. The distributed lightning current monitoring method for the distribution line adopting the magnetic sensor array according to claim 7, characterized in that: the first magnetic sensor (202 a) and the third magnetic sensor (202 b) output low-frequency signals using low-pass filters, and the second magnetic sensor (202 c) and the fourth magnetic sensor (202 d) output high-frequency signals using high-pass filters.
9. A distributed monitoring method for lightning current in a distribution line employing a magnetic sensor array as claimed in claim 8, further comprising: and calculating current through the low-frequency signal and the high-frequency signal, and finally respectively obtaining transient current and rated current in an averaging mode.
10. The distributed monitoring method for lightning current of the distribution line adopting the magnetic sensor array according to claim 8 or 9, characterized in that: and data transmission is realized by adopting a narrow-band Internet of things communication mode, and the data acquired by the sensor is transmitted to a master control room.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211351401.2A CN115656608A (en) | 2022-10-31 | 2022-10-31 | Distribution line lightning current distributed monitoring method adopting magnetic sensing array |
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| CN202211351401.2A CN115656608A (en) | 2022-10-31 | 2022-10-31 | Distribution line lightning current distributed monitoring method adopting magnetic sensing array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116774100A (en) * | 2023-08-15 | 2023-09-19 | 江苏东方四通科技股份有限公司 | Leakage monitoring module and power cabinet with same |
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2022
- 2022-10-31 CN CN202211351401.2A patent/CN115656608A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116774100A (en) * | 2023-08-15 | 2023-09-19 | 江苏东方四通科技股份有限公司 | Leakage monitoring module and power cabinet with same |
| CN116774100B (en) * | 2023-08-15 | 2023-11-07 | 江苏东方四通科技股份有限公司 | Leakage monitoring module and power cabinet with same |
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