CN109100545B - Side-expansion plugging type voltage sensor and use method thereof - Google Patents

Side-expansion plugging type voltage sensor and use method thereof Download PDF

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Publication number
CN109100545B
CN109100545B CN201811147720.5A CN201811147720A CN109100545B CN 109100545 B CN109100545 B CN 109100545B CN 201811147720 A CN201811147720 A CN 201811147720A CN 109100545 B CN109100545 B CN 109100545B
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sensor
main body
voltage
user
bolt
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CN109100545A (en
Inventor
郑海英
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Guangdong Mile Electric Co ltd
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Guangdong Mile Electric Co ltd
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Priority to CN201811147720.5A priority Critical patent/CN109100545B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416Connectors, terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/18Screening arrangements against electric or magnetic fields, e.g. against earth's field
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/36Overload-protection arrangements or circuits for electric measuring instruments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0084Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only

Abstract

The invention discloses a side-expanding plugging type voltage sensor which comprises a sensor outer main body, a sensor inner main body and a sensor middle main body, wherein the sensor inner main body is arranged on one side of the sensor outer main body, and the sensor middle main body is arranged on the other side of the sensor outer main body; a limiting hole is formed in the middle of one end of the outer main body of the sensor, and a first bolt is movably arranged in the end of the outer main body of the sensor; six through holes are formed in the edge of the other end of the outer main body of the sensor, two screw holes are formed in the other end of the outer main body of the sensor, and a second bolt matched with the second bolt for use is movably arranged in the screw holes; the rotary connector is fixedly arranged at the middle position of the surface of one end of the inner main body of the sensor, and the connecting wire is fixedly arranged on the surface of one end of the inner main body of the sensor. The application method of the side-expansion plugging type voltage sensor comprises the following steps of firstly, fixedly assembling; step two, connecting lines; step three, voltage detection; and step four, disassembling and storing. The invention greatly improves the functionality of the device and reduces ferromagnetic pollution through a series of designs.

Description

Side-expansion plugging type voltage sensor and use method thereof
Technical Field
The invention relates to the technical field of high-voltage electrical appliance elements, in particular to a side-expansion plugging type voltage sensor and a use method thereof.
Background
Along with the continuous development of the times, the high-voltage electrical appliance element gradually becomes a target of attention of society, in the current power system, the measurement of voltage is easy to generate magnetic saturation to cause large errors, and the voltage sensor circulated in the current market has a series of problems of single function, large volume, overweight weight, large energy consumption, serious ferromagnetic pollution and the like.
Disclosure of Invention
The invention aims to provide a side-expansion plugging type voltage sensor and a use method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a side-expansion plugging type voltage sensor comprises a sensor outer main body, a sensor inner main body and a sensor middle main body; one side of the outer sensor main body is provided with an inner sensor main body, and the other side of the outer sensor main body is provided with a middle sensor main body; a limiting hole is formed in the middle of one end of the outer main body of the sensor, and a first bolt is movably arranged in the end of the outer main body of the sensor; six through holes are formed in the edge of the other end of the outer main body of the sensor, two screw holes are formed in the other end of the outer main body of the sensor, and a second bolt matched with the second bolt for use is movably arranged in the screw holes; a rotary connector is fixedly arranged at the middle position of one end surface of the main body in the sensor, and a connecting wire is fixedly arranged on the surface of one end
The application method of the side-expansion plugging type voltage sensor comprises the following steps of firstly, fixedly assembling; step two, connecting lines; step three, voltage detection; step four, disassembling and storing;
in the first step, a user firstly places the device at a required use place, firstly, the sensor middle main body rotates and slowly inserts the sensor outer main body, the sensor outer main body fixes the sensor middle main body by utilizing the first bolt at the moment, the loosening condition is avoided, after the sensor middle main body is installed, the sensor inner main body is slowly inserted into the sensor middle main body until the sensor middle main body is tightly attached to the sensor inner main body, then the user rotationally inserts the second bolt into the screw hole, the purpose of fixing the device is achieved, and after a series of steps are completed, the device is successfully spliced and installed;
in the second step, after the user finishes the primary assembly of the device, the user uses a connecting wire to connect the device with the components of the required detection voltage, and after the circuit connection is finished, the user still needs to detect the circuit, so that unexpected safety accidents are avoided;
in the third step, after the user finishes splicing and installing the device, and then connects the required voltage components with the device, the device converts the primary voltage into a small voltage signal proportional to the primary voltage and the phase through a voltage divider, the influence of the electric field distribution condition and the stray capacitance is improved by adopting a shielding electrode method, and an overvoltage protection device is connected in parallel with the secondary output end, so that the secondary side voltage is prevented from being increased when the secondary output end is opened;
in the fourth step, after the device is finished, a user firstly separates the connecting wire from the connecting part of the voltage component to be detected, then the user can loosen the first bolt and the second bolt, at the moment, the user slowly rotates the inner main body of the sensor to separate out the inner main body of the middle part of the sensor, then the user slowly rotates the inner main body of the sensor to separate out the outer main body of the sensor, and after the user completely separates the outer main body of the sensor, the middle main body of the sensor and the inner main body of the sensor, the user stores the three parts respectively, so that damage to the sensor due to an incorrect storage mode is avoided.
According to the technical scheme, the outer protective shell is fixedly arranged on the surface of the outer side of the outer main body of the sensor.
According to the technical scheme, the rust-proof layer is fixedly arranged on the surface of the outer side of the middle main body of the sensor.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, through the cooperation between the first bolt and the second bolt, when a user performs splicing installation on the device, a certain fixing effect can be achieved, the situation that the device is loose during operation is avoided, the outer protective shell is installed, the protectiveness of the outer main body of the sensor can be improved, the damage phenomenon of the outer main body of the sensor is avoided, the rust prevention layer is arranged, the rust prevention function of the middle part of the device can be improved, the situation that the device is rusted due to long-time use is avoided, the service life of the device is prolonged, the device directly outputs a small voltage signal, the system structure is simplified, an error source is reduced, meanwhile, the device does not contain an iron core, can not be saturated, has a wide frequency response range and high linearity, can reliably operate under a system fault state, and can not generate overcurrent when the voltage output end of the device is in secondary short circuit, ferromagnetic resonance can not be generated, the major fault hidden danger in the operation of a power system is eradicated, the safety of personnel and equipment is guaranteed, the device is multifunctional, the device is small in volume, the weight and low in energy consumption is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Fig. 1 is a front view of the invention in a separated storage position.
Fig. 2 is a front view of a splice installation of the present invention.
Fig. 3 is a schematic view of the splice mounting internal structure of the present invention.
In the figure: 1. a sensor outer body; 101. a through hole; 102. a limiting hole; 103. an outer protective shell; 2. a sensor inner body; 201. a rotary connector; 202. a connecting wire; 3. a sensor middle body; 301. a rust-proof layer; 4. a first bolt; 5. a screw hole; 6. and a second bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, the present invention provides a technical solution: a side-expansion plugging type voltage sensor comprises a sensor outer body 1, a sensor inner body 2 and a sensor middle body 3. The sensor inner body 2 is arranged on one side of the sensor outer body 1, and the sensor middle body 3 is arranged on the other side of the sensor outer body 1. A limiting hole 102 is formed in the middle of one end of the outer main body 1 of the sensor, and a first bolt 4 is movably arranged in the end; six through holes 101 are formed in the edge of the other end of the outer sensor main body 1, two screw holes 5 are formed in the other end of the outer sensor main body, and second bolts 6 matched with the screw holes 5 are movably mounted in the screw holes 5. An outer protective shell 103 is fixedly arranged on the surface of the outer side of the outer main body 1 of the sensor. A rotary connector 201 is fixedly arranged at the middle position of one end surface of the sensor inner main body 2, a connecting wire 202 is fixedly arranged on the surface of the one end, and a rust-proof layer 301 is fixedly arranged on the surface of the outer side of the sensor middle main body 3.
Referring to fig. 3, the present invention provides a technical solution: the application method of the side-expansion plugging type voltage sensor comprises the following steps of firstly, fixedly assembling; step two, connecting lines; step three, voltage detection; step four, disassembling and storing;
in the first step, a user firstly places the device at a required use place, firstly, the sensor middle body 3 rotates and slowly inserts into the sensor outer body 1, at this time, the sensor outer body 1 utilizes the first bolt 4 to fix the sensor middle body 3, the loosening condition is avoided, after the sensor middle body 3 is installed, the sensor inner body 2 is slowly inserted into the sensor middle body 3 until the sensor middle body 3 is tightly attached to the sensor inner body 2, then the user rotates and inserts the second bolt 6 into the screw hole 5, the purpose of fixing the device is achieved, and after the series of steps are completed, the device is successfully spliced and installed;
in the second step, after the user finishes the primary assembly of the device, the user uses the connecting wire 202 to connect the device with the voltage component to be detected, and after the connection of the circuit is finished, the user still needs to detect the circuit, so that unexpected safety accidents are avoided;
in the third step, after the user finishes splicing and installing the device, and then connects the required voltage components with the device, the device converts the primary voltage into a small voltage signal proportional to the primary voltage and the phase through a voltage divider, the influence of the electric field distribution condition and the stray capacitance is improved by adopting a shielding electrode method, and an overvoltage protection device is connected in parallel with the secondary output end, so that the secondary side voltage is prevented from being increased when the secondary output end is opened;
in the fourth step, after the device is completed, the user firstly separates the connecting wire 202 from the connecting part of the required detection voltage component, then the user can loosen the first bolt 4 and the second bolt 6, at this time, the user slowly rotates the inner sensor body 2 to separate out the inner sensor middle body 3, then the user slowly rotates the inner sensor middle body 3 to separate out the outer sensor body 1, and after the user completely separates the outer sensor body 1, the inner sensor body 3 and the inner sensor body 2, the user stores the three parts respectively, thereby avoiding damage to the inner sensor body due to wrong storage mode.
Based on the above, the invention has the advantages that the invention can facilitate the installation and the disassembly of the device by the user through the cooperation between the internal devices of the installation mechanism, thereby improving the humanized design of the device; by installing the nameplate, the device can be conveniently distinguished by a user, and the practicability of the device is improved; the ventilation window is arranged, so that the damage of the device caused by the fact that the internal temperature is too high when the device is used for a long time can be avoided, and the service life of the device is prolonged; the dust screen is arranged, so that dust can be prevented from entering the device, and the cleaning of the device is ensured; meanwhile, the device directly outputs a smaller voltage signal, so that the system structure is simplified, the error source is reduced, and the stability and accuracy of the whole system are improved; the device does not contain an iron core, is not saturated, has wide frequency range, large measurement range, good linearity and strong anti-interference capability, can ensure that the protection device can reliably work in a system fault state, does not generate overcurrent and ferromagnetic resonance when the voltage output end is in secondary short circuit, eradicates serious fault hidden trouble in an electric power system, and ensures the safety of personnel and equipment; most importantly, the device has the advantages of multiple functions, small volume, light weight and low energy consumption, reduces ferromagnetic pollution and is favorable for wide popularization and use in society.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The utility model provides a side expands shutoff formula voltage sensor, includes outer main part (1) of sensor, main part (2) and sensor middle part main part (3) in the sensor, its characterized in that: one side of the sensor outer main body (1) is provided with a sensor inner main body (2), and the other side of the sensor outer main body (1) is provided with a sensor middle main body (3); a limiting hole (102) is formed in the middle of one end of the outer main body (1) of the sensor, and a first bolt (4) is movably arranged in the end; six through holes (101) are formed in the edge of the other end of the outer sensor main body (1), two screw holes (5) are formed in the other end of the outer sensor main body, and second bolts (6) matched with the screw holes are movably arranged in the screw holes (5); a rotary connector (201) is fixedly arranged at the middle position of one end surface of the sensor inner main body (2), and a connecting wire (202) is fixedly arranged on the surface of one end; when fixed assembly, the sensor middle main body (3) is rotated and slowly inserted into the sensor outer main body (1), and at the moment, the sensor outer main body (1) fixes the sensor middle main body (3) by utilizing the first bolt (4), so that the loosening is avoided.
2. The side-amplifying blocking type voltage sensor according to claim 1, wherein: an outer protection shell (103) is fixedly arranged on the surface of the outer side of the sensor outer main body (1).
3. The side-amplifying blocking type voltage sensor according to claim 1, wherein: the surface of the outer side of the middle main body (3) of the sensor is fixedly provided with a rust-proof layer (301).
4. The application method of the side-expansion plugging type voltage sensor comprises the following steps of firstly, fixedly assembling; step two, connecting lines; step three, voltage detection; step four, disassembling and storing;
in the first step, a user firstly places the device at a required use place, firstly, the sensor middle main body (3) is slowly inserted into the sensor outer main body (1) in a rotating mode, at the moment, the sensor outer main body (1) fixes the sensor middle main body (3) through the first bolt (4) to avoid loosening, after the sensor middle main body (3) is installed, the sensor inner main body (2) is slowly inserted into the sensor middle main body (3) until the sensor middle main body (3) is tightly attached to the sensor inner main body (2), then the user inserts the second bolt (6) into the screw hole (5) in a rotating mode, the device is fixed, and after the series of steps are completed, splicing and installation of the device are successful;
in the second step, after the user finishes the primary assembly of the device, the user uses the connecting wire (202) to connect the device with the components of the voltage to be detected, and after the connection of the circuit is finished, the user still needs to detect the circuit, so that the occurrence of unexpected safety accidents is avoided;
in the third step, after the user finishes splicing and installing the device, and then connects the required voltage components with the device, the device converts the primary voltage into a small voltage signal proportional to the primary voltage and the phase through a voltage divider, the influence of the electric field distribution condition and the stray capacitance is improved by adopting a shielding electrode method, and an overvoltage protection device is connected in parallel with the secondary output end, so that the secondary side voltage is prevented from being increased when the secondary output end is opened;
in the fourth step, after the device is finished, a user firstly separates the connecting wire (202) from the connecting part of the voltage component to be detected, then the user can loosen the first bolt (4) and the second bolt (6), at the moment, the user slowly rotates the inner main body (2) of the sensor to separate out the inner part of the middle main body (3) of the sensor, then the user slowly rotates the middle main body (3) of the sensor to separate out the outer main body (1) of the sensor, and after the user completely separates the outer main body (1), the middle main body (3) of the sensor and the inner main body (2) of the sensor, the user stores the three parts respectively, so that the damage to the sensor due to an error storage mode is avoided.
CN201811147720.5A 2018-09-29 2018-09-29 Side-expansion plugging type voltage sensor and use method thereof Active CN109100545B (en)

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CN201811147720.5A CN109100545B (en) 2018-09-29 2018-09-29 Side-expansion plugging type voltage sensor and use method thereof

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Application Number Priority Date Filing Date Title
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CN109100545B true CN109100545B (en) 2023-09-26

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EP2696206A1 (en) * 2012-08-06 2014-02-12 ABB Technology AG Medium or high voltage arrangement with cable connection terminal
CN107104336A (en) * 2017-06-06 2017-08-29 七星电气股份有限公司 A kind of bus tie, switch cubicle, bus connection structure and combination sideboard
CN207301158U (en) * 2017-11-01 2018-05-01 福州新益自动测控设备有限公司 A kind of contactless voltage check device of high accurancy and precision

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