CN213813757U - Safe type voltmeter with non-contact calibration mechanism - Google Patents
Safe type voltmeter with non-contact calibration mechanism Download PDFInfo
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- CN213813757U CN213813757U CN202022914343.2U CN202022914343U CN213813757U CN 213813757 U CN213813757 U CN 213813757U CN 202022914343 U CN202022914343 U CN 202022914343U CN 213813757 U CN213813757 U CN 213813757U
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Abstract
The utility model discloses a safe type voltmeter with non-contact aligning gear, including the layer board, the bottom fixed mounting supporting leg of layer board, the last surface mounting voltmeter mechanism of layer board, calibrating device is connected to the lower terminal surface of layer board, voltmeter mechanism includes voltmeter main part, protection casing, fixing bolt, display screen, operating button and louvre, and the front end of voltmeter main part is fixed to be set up the protection casing. The safety voltmeter calibration device is a mechanism of a non-contact voltmeter mechanism, workers can be guaranteed to be in non-contact, personal threat caused by electric leakage of the voltmeter mechanism is avoided, the protective cover is used for protecting a voltmeter body, water inlet and electric leakage of the voltmeter body are prevented, unsafe factors are caused, safety performance of the voltmeter body is improved, the transverse adjusting mechanism and the longitudinal adjusting mechanism are connected together through the connecting plate, distances between the transverse direction and the longitudinal direction of the voltmeter mechanism can be adjusted simultaneously, operation time is saved, and working efficiency is improved.
Description
Technical Field
The utility model relates to a current-voltage technical field specifically is a safe type voltmeter with non-contact aligning gear.
Background
The electrostatic voltmeter is widely used in electrostatic protection measurement and electrostatic research, and has two types of contact type and non-contact type, wherein the non-contact type electrostatic voltmeter is a commonly used type, under the condition that the non-contact type electrostatic voltmeter is not contacted with a measured surface, the voltage and the electric field value of the surface are measured by utilizing an electric field induction principle or other principles, the voltage is infinitely far or greatly taken as a reference potential, and the measurement result is displayed as an electric field, so that the electrostatic voltmeter is called as an electrostatic ammeter; the measurement result is displayed as voltage, and is called a non-contact electrostatic voltmeter, and the meter also needs to measure or set the distance from the probe to the measured surface, and the length of the distance is called a measurement distance.
Whether the measurement values of the non-contact electrostatic voltmeter and the electrostatic electric field meter are accurate and reliable needs to be traced by using a calibration device. The electrostatic voltage can be traced to the dc high voltage standard. The general calibration device adopts a standard electrostatic field method, i.e. an equipotential plane is formed by a metal flat plate, a direct-current high-voltage source is connected to maintain stable potential, and an electric field close to the center of the metal flat plate is similar to a parallel electric field and can be used as a standard electrostatic field. The reading of the calibrated instrument in the standard electrostatic field at the set distance can be compared with the output voltage value of the direct-current high-voltage source, so that the aim of calibration is fulfilled.
The distance between a detected object and an electrode plate is mostly determined by measuring the distance by using a graduated scale, and whether an induction head of the electrostatic voltmeter aligns at the center of the electrode plate is visually observed, so that the detection and calibration device of the existing non-contact electrostatic voltmeter is rough in operation and large in position deviation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safe type voltmeter with non-contact aligning gear, the mechanism that calibrating device is non-contact voltmeter mechanism has, can guarantee staff contactless, avoid voltmeter mechanism's electric leakage to cause the personal threat, the protection casing is used for protecting the voltmeter main part, prevent voltmeter main part water inlet electric leakage, cause unsafe factor, improve the security performance of voltmeter main part, horizontal adjustment mechanism links together through the connecting plate with vertical adjustment mechanism, can adjust voltmeter mechanism's horizontal and vertical two directions's distance simultaneously, operating time has been saved, improve work efficiency's advantage, the problem among the prior art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: a safe voltmeter with a non-contact calibration mechanism comprises a supporting plate, wherein supporting legs are fixedly arranged at the bottom of the supporting plate, a voltmeter mechanism is arranged on the upper surface of the supporting plate, and the lower end surface of the supporting plate is connected with a calibration device;
the voltmeter mechanism comprises a voltmeter main body, a protective cover, fixing bolts, a display screen, an operating button and heat dissipation holes, wherein the protective cover is fixedly arranged at the front end of the voltmeter main body;
the calibrating device comprises a distance adjusting plate, a longitudinal adjusting mechanism, a first scale strip, a connecting plate, a second scale strip, a slide rail, a slide block and a transverse adjusting mechanism, wherein the distance adjusting plate is arranged at the lower end part of the supporting plate and is connected with the supporting plate in a sliding way, the upper end of the distance adjusting plate is provided with the longitudinal adjusting mechanism, the longitudinal adjusting mechanism comprises a longitudinal plate, a first limiting plate, a first adjusting rod and a first adjusting knob, the first limiting plate is fixed at one end of the longitudinal plate far away from the voltmeter mechanism, the first adjusting rod is installed at the outer side of the first limiting plate, the top of the first adjusting rod is rotatably connected with the first adjusting knob, the longitudinal adjusting mechanism is connected with the bottom of the voltmeter mechanism, the first scale strip is arranged at the side of the distance adjusting plate, the connecting plate is arranged at the bottom of one end of the distance adjusting plate far away from the voltmeter mechanism, and the two ends of the connecting plate are fixed at the lower end of the distance adjusting plate through a support, one end of the connecting plate is provided with a second scale bar, the surface of the connecting plate is provided with a slide rail, the slide rail is movably connected with the lower end of a slide block, the upper end of the slide block is movably connected with a distance adjusting plate, a transverse adjusting mechanism is inserted and connected into the slide block and comprises a transverse plate, a second limiting plate, a second adjusting rod and a second adjusting knob, the transverse plate is far away from one end of the voltmeter mechanism and is fixed with the second limiting plate, the second adjusting rod is installed on the outer side of the second limiting plate, and the top of the second adjusting rod is rotatably connected with the second adjusting knob.
Preferably, a through groove is formed in the center of the supporting plate, the size of the through groove is matched with that of the voltmeter mechanism, and the voltmeter mechanism is clamped in the through groove.
Preferably, the heat dissipation holes are provided in a plurality of equal distances distributed on the upper end surface of the voltmeter body.
Preferably, the longitudinal adjusting mechanism is movably connected with the connecting plate through the movement of a screw rod.
Preferably, the rod body of the first adjusting rod is provided with an accurate gradiometer.
Preferably, the rod body of the second adjusting rod is provided with an accurate gradiometer.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this safe type voltmeter with non-contact calibration mechanism, calibrating device is the mechanism of non-contact voltmeter mechanism, can guarantee that the staff is contactless, avoid voltmeter mechanism's electric leakage to cause the personal threat, the protection casing is used for protecting the voltmeter main part, prevent voltmeter main part to intake the electric leakage, cause unsafe factor, improve the security performance of voltmeter main part, horizontal adjustment mechanism passes through the connecting plate with vertical adjustment mechanism and links together, can adjust the horizontal and vertical two directions's of voltmeter mechanism distance simultaneously, operating time has been saved, improve work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural diagram of the voltage meter mechanism of the present invention;
FIG. 3 is a structural diagram of the calibrating apparatus of the present invention;
FIG. 4 is a structural diagram of the longitudinal adjustment mechanism of the present invention;
fig. 5 is a structural diagram of the lateral adjustment mechanism of the present invention.
In the figure: 1. a support plate; 2. supporting legs; 3. a voltmeter mechanism; 31. a voltmeter body; 32. a protective cover; 33. fixing the bolt; 34. a display screen; 35. an operation button; 36. heat dissipation holes; 4. a calibration device; 41. a distance adjusting plate; 42. a longitudinal adjustment mechanism; 421. a longitudinal plate; 422. a first limit plate; 423. a first adjusting lever; 424. a first adjustment knob; 43. a first scale bar; 44. a connecting plate; 45. a second scale bar; 46. a slide rail; 47. a slider; 48. a lateral adjustment mechanism; 481. a transverse plate; 482. a second limiting plate; 483. a second adjusting lever; 484. a second adjustment knob.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, a safety voltmeter with a non-contact calibration mechanism comprises a supporting plate 1, supporting legs 2 are fixedly installed at the bottom of the supporting plate 1, the supporting legs 2 can increase the bearing capacity of the supporting plate 1, the stability of the device is improved, a voltmeter mechanism 3 is installed on the upper surface of the supporting plate 1, a through groove is formed in the center of the supporting plate 1, the size of the through groove is matched with that of the voltmeter mechanism 3, the voltmeter mechanism 3 is clamped in the through groove, the position of the voltmeter mechanism 3 is convenient to adjust, the position of the voltmeter mechanism 3 is calibrated, a calibration device 4 is connected to the lower end face of the supporting plate 1, the calibration device 4 is a mechanism of the non-contact voltmeter mechanism 3, the fact that a worker is not in contact can be guaranteed, and personal threats caused by electric leakage of the voltmeter mechanism 3 can be avoided.
The voltmeter mechanism 3 comprises a voltmeter body 31, a protective cover 32, a fixing bolt 33, a display screen 34, an operation button 35 and a plurality of heat dissipation holes 36, wherein the protective cover 32 is fixedly arranged at the front end of the voltmeter body 31, the protective cover 32 is used for protecting the voltmeter body 31, unsafe factors are prevented from being caused by water inflow and electric leakage of the voltmeter body 31, the safety performance of the voltmeter body 31 is improved, the fixing bolt 33 is arranged at two sides of the surface of the protective cover 32, the protective cover 32 is meshed at the front end of the voltmeter body 31 through the fixing bolt 33, the equipment can be conveniently mounted and dismounted by meshing of the fixing bolt 33, later maintenance and maintenance are facilitated, the display screen 34 is arranged on the front surface of the protective cover 32, accurate reading of the voltage of the voltmeter is facilitated, the operation button 35 is arranged below the display screen 34, the heat dissipation holes 36 are formed at the upper end of the voltmeter body 31, and the plurality of heat dissipation holes 36 are formed, the distribution of equipartition distance can effectually distribute the inside heat of voltmeter main part 31 at the upper end surface of voltmeter main part 31 for inside of voltmeter main part 31 is in stable homothermal state.
The calibrating device 4 comprises a distance adjusting plate 41, a longitudinal adjusting mechanism 42, a first scale bar 43, a connecting plate 44, a second scale bar 45, a sliding rail 46, a sliding block 47 and a transverse adjusting mechanism 48, wherein the distance adjusting plate 41 is arranged at the lower end part of the supporting plate 1, the distance adjusting plate 41 is connected with the supporting plate 1 in a sliding way, the longitudinal adjusting mechanism 42 is arranged at the upper end of the distance adjusting plate 41, the longitudinal adjusting mechanism 42 comprises a longitudinal plate 421, a first limiting plate 422, a first adjusting rod 423 and a first adjusting knob 424, the first limiting plate 422 is fixed at one end of the longitudinal plate 421 far away from the voltmeter mechanism 3, the first adjusting rod 423 is installed at the outer side of the first limiting plate 422, a precise scale gauge is arranged on the rod body of the first adjusting rod 423, the top of the first adjusting rod 423 is rotatably connected with the first adjusting knob 424, the first adjusting knob 424 can perform high-precision distance adjustment, the position of the voltmeter mechanism 3 can be longitudinally calibrated, the side edge of the distance adjusting plate 41 is provided with a first scale strip 43, the longitudinal distance between the voltmeter body 31 and the distance adjusting plate 41 can be calculated through the first scale strip 43 and an accurate scale on the first adjusting rod 423, the bottom of one end of the distance adjusting plate 41 far away from the voltmeter mechanism 3 is provided with a connecting plate 44, the longitudinal adjusting mechanism 42 is movably connected with the connecting plate 44 through lead screw movement, the longitudinal plate 421 can be accurately adjusted in position along the slide rail 46, two ends of the connecting plate 44 are fixed at the lower end of the distance adjusting plate 41 through brackets, one end of the connecting plate 44 is provided with a second scale strip 45, the transverse distance between the voltmeter body 31 and the distance adjusting plate 41 can be calculated through the second scale strip 45 and the accurate scale on the second adjusting rod 483, the surface of the connecting plate 44 is provided with a slide rail 46, and the lower end of a slide block 47 is movably connected in the slide rail 46, the upper end swing joint distance regulating plate 41 of slider 47, insert in the slider 47 and connect horizontal adjustment mechanism 48, horizontal adjustment mechanism 48 links together through connecting plate 44 with vertical adjustment mechanism 42, can adjust voltmeter mechanism 3's horizontal and vertical two directions's distance simultaneously, operating time has been saved, work efficiency is improved, horizontal adjustment mechanism 48 includes horizontal board 481, second limiting plate 482, second regulation pole 483 and second adjust knob 484, horizontal board 481 keeps away from the fixed second limiting plate 482 of voltmeter mechanism 3's one end, the outside installation second of second limiting plate 482 adjusts pole 483, be equipped with accurate gradiometer on the pole body of second regulation pole 483, the top swivelling joint second adjust knob 484 of second regulation pole 483.
To sum up, this safe type voltmeter with non-contact calibration mechanism, calibrating device 4 is the mechanism of non-contact voltmeter mechanism 3, can guarantee that the staff is contactless, avoid voltmeter mechanism 3's electric leakage to cause the personal threat, protection casing 32 is used for protecting voltmeter main part 31, prevent voltmeter main part 31 to intake the electric leakage, cause unsafe factor, improve voltmeter main part 31's security performance, horizontal adjustment mechanism 48 links together through connecting plate 44 with vertical adjustment mechanism 42, can adjust voltmeter mechanism 3's horizontal and vertical two directions's distance simultaneously, operating time has been saved, improve work efficiency.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A safe type voltmeter with non-contact calibration mechanism, includes layer board (1), its characterized in that: the bottom of the supporting plate (1) is fixedly provided with a supporting leg (2), the upper surface of the supporting plate (1) is provided with a voltmeter mechanism (3), and the lower end surface of the supporting plate (1) is connected with a calibration device (4);
the voltmeter mechanism (3) comprises a voltmeter main body (31), a protective cover (32), fixing bolts (33), a display screen (34), operation buttons (35) and heat dissipation holes (36), wherein the protective cover (32) is fixedly arranged at the front end of the voltmeter main body (31), the fixing bolts (33) are installed on two sides of the surface of the protective cover (32), the protective cover (32) is meshed at the front end part of the voltmeter main body (31) through the fixing bolts (33), the display screen (34) is arranged on the surface right in front of the protective cover (32), the operation buttons (35) are installed below the display screen (34), and the heat dissipation holes (36) are formed in the upper end part of the voltmeter main body (31);
the calibration device (4) comprises a distance adjusting plate (41), a longitudinal adjusting mechanism (42), a first scale bar (43), a connecting plate (44), a second scale bar (45), a sliding rail (46), a sliding block (47) and a transverse adjusting mechanism (48), wherein the distance adjusting plate (41) is arranged at the lower end part of the supporting plate (1), the distance adjusting plate (41) is in sliding connection with the supporting plate (1), the longitudinal adjusting mechanism (42) is arranged at the upper end of the distance adjusting plate (41), the longitudinal adjusting mechanism (42) comprises a longitudinal plate (421), a first limiting plate (422), a first adjusting rod (423) and a first adjusting knob (424), the first limiting plate (422) is fixed at one end of the longitudinal plate (421) far away from the voltmeter mechanism (3), the first adjusting rod (423) is installed at the outer side of the first limiting plate (422), and the top part of the first adjusting rod (423) is rotatably connected with the first adjusting knob (424), the longitudinal adjusting mechanism (42) is connected with the bottom of the voltmeter mechanism (3), a first scale bar (43) is arranged on the side of the distance adjusting plate (41), a connecting plate (44) is arranged at the bottom of one end, away from the voltmeter mechanism (3), of the distance adjusting plate (41), two ends of the connecting plate (44) are fixed at the lower end of the distance adjusting plate (41) through a support, a second scale bar (45) is arranged at one end of the connecting plate (44), a sliding rail (46) is arranged on the surface of the connecting plate (44), the sliding rail (46) is movably connected with the lower end of a sliding block (47), the upper end of the sliding block (47) is movably connected with the distance adjusting plate (41), a transverse adjusting mechanism (48) is inserted and connected in the sliding block (47), the transverse adjusting mechanism (48) comprises a transverse plate (481), a second limiting plate (482), a second adjusting rod (483) and a second adjusting knob (484), the second limiting plate (482) is fixed at one end, away from the voltmeter mechanism (3), of the transverse plate (481), and a second adjusting rod (483) is arranged at the outer side of the second limiting plate (482), and the top of the second adjusting rod (483) is rotatably connected with a second adjusting knob (484).
2. A safety voltmeter having a non-contact calibration mechanism in accordance with claim 1, wherein: a through groove is formed in the center of the supporting plate (1), the size of the through groove is matched with that of the voltmeter mechanism (3), and the voltmeter mechanism (3) is clamped in the through groove.
3. A safety voltmeter having a non-contact calibration mechanism in accordance with claim 1, wherein: the heat dissipation holes (36) are arranged in a plurality of equal distances and distributed on the upper end surface of the voltmeter body (31).
4. A safety voltmeter having a non-contact calibration mechanism in accordance with claim 1, wherein: the longitudinal adjusting mechanism (42) is movably connected with the connecting plate (44) through the movement of a screw rod.
5. A safety voltmeter having a non-contact calibration mechanism in accordance with claim 1, wherein: and a precise gradiometer is arranged on the rod body of the first adjusting rod (423).
6. A safety voltmeter having a non-contact calibration mechanism in accordance with claim 1, wherein: and a precise gradiometer is arranged on the rod body of the second adjusting rod (483).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914343.2U CN213813757U (en) | 2020-11-27 | 2020-11-27 | Safe type voltmeter with non-contact calibration mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914343.2U CN213813757U (en) | 2020-11-27 | 2020-11-27 | Safe type voltmeter with non-contact calibration mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213813757U true CN213813757U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022914343.2U Active CN213813757U (en) | 2020-11-27 | 2020-11-27 | Safe type voltmeter with non-contact calibration mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN213813757U (en) |
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2020
- 2020-11-27 CN CN202022914343.2U patent/CN213813757U/en active Active
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