CN219142969U - Electric field sensing device - Google Patents
Electric field sensing device Download PDFInfo
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- CN219142969U CN219142969U CN202223440693.5U CN202223440693U CN219142969U CN 219142969 U CN219142969 U CN 219142969U CN 202223440693 U CN202223440693 U CN 202223440693U CN 219142969 U CN219142969 U CN 219142969U
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Abstract
The utility model provides an electric field sensing device, which comprises a spherical shell, a supporting frame, an electric field sensing part and a signal processing part, wherein the spherical shell is provided with a plurality of electric field sensing parts; the spherical shell is formed by connecting a hemispherical upper shell and a hemispherical lower shell; the electric field induction component is arranged in the hemispherical upper shell, the signal processing component is arranged in the hemispherical lower shell and is connected with the electric field induction component, and the weight of the signal processing component is larger than that of the electric field induction component; the support frame is connected with two sides of the middle part of the spherical shell through bearings, the support frame is used as a fulcrum, and the spherical shell can rotate on the support frame. The electric field sensing device is arranged on the mechanical equipment, so that the electric field sensing part can be kept in a vertical state all the time, and the electric field sensing part cannot change along with the lifting arm and the lying arm of the mechanical equipment, thereby ensuring the relative position of the electric field sensing part and the electrified conductor and improving the accuracy of electrified body detection.
Description
Technical Field
The utility model relates to the technical field of construction devices, in particular to an electric field sensing device.
Background
With the rapid development of power systems, large construction machines are increasingly used in high voltage environments. The anti-collision distance between the construction machinery and the non-electrified body is kept, and an anti-electric shock requirement is set for the electrified body, when the distance between the mechanical equipment and the electrified conductor exceeds the requirement, the air possibly breaks down to cause a grounding accident of the power system, and the important loss of personnel and equipment is caused, so that the electrified body is effectively identified to be significant in engineering practice.
At present, mostly at the top fixed mounting electric field sensor of large-scale construction machinery equipment is used for testing the electrified condition to judge electrified body direction, but the condition that large-scale construction machinery equipment inevitably exists to lift the arm or lie prone the arm in the use, fixed mounting in the electric field sensor at machinery equipment top can be according to the arm of lifting of machinery equipment or lie prone the arm action with corresponding change detection direction, can appear electric field sensor and keep away from electrified conductor even, lead to unable detection electrified condition, thereby greatly reduced electrified body detects the accuracy.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art, and provides an electric field sensing device which is arranged on mechanical equipment and can ensure that an electric field sensing part is always kept in a vertical state and cannot change along with the lifting arm and the lying arm of the mechanical equipment, so that the relative positions of the electric field sensing part and a charged conductor are ensured, and the accuracy of charged body detection is improved.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: an electric field sensing device, characterized in that: comprises a spherical shell, a supporting frame, an electric field induction component and a signal processing component; the spherical shell is formed by connecting a hemispherical upper shell and a hemispherical lower shell; the electric field induction component is arranged in the hemispherical upper shell, the signal processing component is arranged in the hemispherical lower shell and is connected with the electric field induction component, and the weight of the signal processing component is larger than that of the electric field induction component; the support frame is connected with two sides of the middle part of the spherical shell through bearings, the support frame is used as a fulcrum, and the spherical shell can rotate on the support frame.
In the scheme, the electric field sensing device is arranged on the mechanical equipment through the support frame, and the spherical shell can rotate on the support frame. After mechanical equipment acts, because the weight of signal processing part is big for under the action of gravity after the spherical casing rotates, electric field sensing part remains vertical state throughout, can not be along with mechanical equipment lifts the arm and groveling the arm and appear changing, thereby guarantees the relative position of electric field sensing part and electrified conductor, improves electrified body detection's accuracy.
The signal processing part arranged on the hemispherical lower shell is positioned below the bearing.
The support frame is a U-shaped support frame.
The middle part of the spherical shell is an equatorial plane, and the upper end and the lower end of the spherical shell are north-south pole faces; the equatorial plane radius R Equatorial plane Polar radius R of north and south South and north poles And a depth R of the support frame Supporting frame The following conditions are satisfied:
R south and north poles ≤R Supporting frame ≤R Equatorial plane ；
Wherein the equatorial plane radius R Equatorial plane Is from the center point of the spherical shell to the left and right sides of the middle partIs a length of (2); south north pole face radius R South and north poles The length from the center point of the spherical shell to the upper end surface and the lower end surface of the middle part; depth R of support frame Supporting frame The length from the bearing to the concave position of the U-shaped support frame is set.
The design can make the spherical shell rotate around the U-shaped support frame, and meanwhile, when the rotation angle of the spherical shell exceeds +/-90 degrees, the spherical shell can be blocked by the U-shaped support frame to avoid overturning because the radius of the equatorial plane is larger than the depth of the U-shaped support frame.
The inner wall laminating of hemispherical inferior valve body is provided with the shielding layer that is used for shielding interference signal to signal processing part.
The connecting wire of the electric field induction component and the signal processing component is a shielding wire.
Therefore, the signal processing component can be ensured to be in a shielding state, and the interference of the signal processing component on the signal is avoided when the electric field sensing device is in a strong electric field.
The signal processing component comprises a multi-channel acquisition module, a wapi data transmission module and a battery module; the multichannel acquisition module is respectively connected with the electric field induction component and the wapi data transmission module, and the wapi data transmission module is connected with the external controller; and the battery module is respectively connected with the multichannel acquisition module and the wapi data transmission module.
The spherical shell is made of hard plastics.
The weight of the signal processing part of the utility model accounts for 80% of the weight of the whole electric field sensing device, and the whole electric field sensing device is arranged below the bearing and can rotate around the U-shaped supporting frame. After mechanical equipment acts, the electric field induction part is enabled to be always kept in a vertical state under the action of gravity, and a user does not need to adjust the electric field induction part, so that electrified conductors can be electrified for detection, and the electric field induction equipment is convenient to use. In addition, compared with a mode of adjusting the electric field induction part in a motor driving mode, the utility model is adjusted in a gravity mode, and has simple structure and convenient operation.
Compared with the prior art, the utility model has the following advantages and beneficial effects: the electric field sensing device is arranged on the mechanical equipment, so that the electric field sensing part can be kept in a vertical state all the time, and the electric field sensing part cannot change along with the lifting arm and the lying arm of the mechanical equipment, thereby ensuring the relative position of the electric field sensing part and the electrified conductor and improving the accuracy of electrified body detection.
Drawings
FIG. 1 is a schematic diagram of an electric field sensing device of the present utility model;
FIG. 2 is a schematic front view of an electric field sensing device of the present utility model;
FIG. 3 is an internal schematic view of the electric field sensing device of the present utility model;
wherein, 1 is spherical shell, 1.1 is hemispherical upper shell, 1.2 is hemispherical lower shell, 2 is U-shaped support frame, 3 is electric field induction component, 4 is signal processing component, and 5 is bearing.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
Examples
As shown in fig. 1 and 2, the electric field sensing device of the present utility model comprises a spherical shell 1 made of hard plastic, a U-shaped support frame 2, an electric field sensing part 3 and a signal processing part 4, wherein the spherical shell 1 is formed by connecting a hemispherical upper shell 1.1 and a hemispherical lower shell 1.2, the electric field sensing part 2 is arranged in the hemispherical upper shell 1.1, the signal processing part 4 is arranged in the hemispherical lower shell 1.2 and connected with the electric field sensing part 3, the weight of the signal processing part 4 is larger than that of the electric field sensing part 3, the U-shaped support frame 2 is connected with two sides of the middle of the spherical shell 1 through a bearing 5, the U-shaped support frame 2 is used as a fulcrum, and the spherical shell 1 can rotate on the U-shaped support frame 2.
The signal processing part 4 of the utility model arranged in the hemispherical lower housing 1.2 is located below the bearing 5.
In addition, the middle part of the spherical shell 1 is an equatorial plane, the upper end and the lower end of the spherical shell 1 are north-south pole faces, and the radius R of the equatorial plane Equatorial plane Polar radius R of north and south South and north poles And a depth R of the support frame Supporting frame The following conditions are satisfied:
R south and north poles ≤R Supporting frame ≤R Equatorial plane ；
Wherein the equatorial plane radius R Equatorial plane The length from the center point of the spherical shell 1 to the left and right sides of the middle part; south north pole face radius R South and north poles The length from the center point of the spherical shell 1 to the upper end face and the lower end face of the middle part; depth R of support frame Supporting frame The length from the bearing 5 to the concave position of the U-shaped support frame 2.
The design can enable the spherical shell 1 to rotate around the U-shaped support frame 2, and meanwhile, when the rotation angle of the spherical shell 1 exceeds +/-90 degrees, the spherical shell 1 can be blocked by the U-shaped support frame 2 to avoid overturning because the radius of the equatorial plane is larger than the depth of the U-shaped support frame.
In order to ensure that the signal processing part 4 is in a shielding state, a shielding layer for shielding the signal processing part 4 from interference signals is attached to the inner wall of the hemispherical lower shell 1.2, and a connecting line of the electric field sensing part 3 and the signal processing part 4 is a shielding line. This design avoids interfering with the signal processing by the signal processing means 4 when the electric field sensing device is under a strong electric field. The signal processing component 4 comprises a multichannel acquisition module, a wapi data transmission module and a battery module, wherein the multichannel acquisition module is respectively connected with the electric field sensing component and the wapi data transmission module, the wapi data transmission module is connected with an external controller in a wireless mode, and the battery module is respectively connected with the multichannel acquisition module and the wapi data transmission module.
When the electric field sensing device is fixedly arranged at the top of the crane boom, the sensing reference direction of the electric field sensing device is changed at any time along with the crane boom operating lifting arm and lying arm. The signal processing component of the electric field sensing device has large weight, so that the electric field sensing component always keeps a vertical state under the action of gravity after the spherical shell rotates, and the electric field sensing component can not change along with the lifting arm and the lying arm of mechanical equipment, thereby ensuring the relative position of the electric field sensing component and a charged conductor, effectively identifying the charged body and being convenient to use. Meanwhile, the electric field sensing device adopts a gravity driving mode, and compared with a conventional mode of driving through a motor, the electric field sensing device is simple in structure, the weight of the electric field sensing part is not increased, and the direction of the electric field sensing part can be effectively controlled.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (8)
1. An electric field sensing device, characterized in that: comprises a spherical shell, a supporting frame, an electric field induction component and a signal processing component; the spherical shell is formed by connecting a hemispherical upper shell and a hemispherical lower shell; the electric field induction component is arranged in the hemispherical upper shell, the signal processing component is arranged in the hemispherical lower shell and is connected with the electric field induction component, and the weight of the signal processing component is larger than that of the electric field induction component; the support frame is connected with two sides of the middle part of the spherical shell through bearings, the support frame is used as a fulcrum, and the spherical shell can rotate on the support frame.
2. The electric field sensing device of claim 1, wherein: the signal processing part arranged on the hemispherical lower shell is positioned below the bearing.
3. The electric field sensing device of claim 1, wherein: the support frame is a U-shaped support frame.
4. An electric field sensing device according to claim 3, wherein: the middle part of the spherical shell is an equatorial plane, and the upper end and the lower end of the spherical shell are north-south pole faces; the equatorial plane radius R Equatorial plane Polar radius R of north and south South and north poles And a depth R of the support frame Supporting frame The following conditions are satisfied:
R south and north poles ≤R Supporting frame ≤R Equatorial plane ；
Wherein the equatorial plane radius R Equatorial plane The length from the center point of the spherical shell to the left and right sides of the middle part; south north pole face radius R South and north poles From the center point of the spherical shell toThe length of the upper end face and the lower end face of the middle part; depth R of support frame Supporting frame The length from the bearing to the concave position of the U-shaped support frame is set.
5. The electric field sensing device of claim 1, wherein: the inner wall laminating of hemispherical inferior valve body is provided with the shielding layer that is used for shielding interference signal to signal processing part.
6. The electric field sensing device of claim 1, wherein: the connecting wire of the electric field induction component and the signal processing component is a shielding wire.
7. The electric field sensing device of claim 1, wherein: the signal processing component comprises a multi-channel acquisition module, a wapi data transmission module and a battery module; the multichannel acquisition module is respectively connected with the electric field induction component and the wapi data transmission module, and the wapi data transmission module is connected with the external controller; and the battery module is respectively connected with the multichannel acquisition module and the wapi data transmission module.
8. The electric field sensing device of claim 1, wherein: the spherical shell is made of hard plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223440693.5U CN219142969U (en) | 2022-12-22 | 2022-12-22 | Electric field sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223440693.5U CN219142969U (en) | 2022-12-22 | 2022-12-22 | Electric field sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219142969U true CN219142969U (en) | 2023-06-06 |
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ID=86593917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223440693.5U Active CN219142969U (en) | 2022-12-22 | 2022-12-22 | Electric field sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219142969U (en) |
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2022
- 2022-12-22 CN CN202223440693.5U patent/CN219142969U/en active Active
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