CN211348607U - Calibrating device for voltage divider - Google Patents
Calibrating device for voltage divider Download PDFInfo
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- CN211348607U CN211348607U CN201921651583.9U CN201921651583U CN211348607U CN 211348607 U CN211348607 U CN 211348607U CN 201921651583 U CN201921651583 U CN 201921651583U CN 211348607 U CN211348607 U CN 211348607U
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- voltage divider
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Abstract
The utility model discloses a voltage divider calibrating installation, including box and calibrating installation, calibrating installation sets up inside the box, this voltage divider calibrating installation still includes the support column, flexible post, a spring, remove wheel and fan, the support column is connected to the bottom of box, flexible groove has been seted up on the support column, flexible post part inserts flexible inslot, the spring groove has been seted up on the flexible post, the one end of spring inserts spring inslot and flexible post butt, the other end of spring passes in proper order behind spring groove and the flexible groove with the box butt, remove wheel and flexible leg joint, the louvre has been seted up on the box, the fan sets up in the louvre. The voltage divider calibrating device has the beneficial effects of good damping performance, good heat dissipation performance and high product stability.
Description
Technical Field
The utility model relates to a voltage divider detects technical field, in particular to voltage divider calibrating installation.
Background
The voltage divider is used for measuring power frequency alternating current high voltage and direct current high voltage in power systems and electric and electronic equipment manufacturing departments, and the voltage divider calibrating device is a device for calibrating the quality of the voltage divider. The prior art voltage divider calibrating device has at least the following problems: the voltage divider calibrating device can vibrate when moving, so that internal precision parts are easy to loosen to influence the normal use of the voltage divider calibrating device. In addition, the voltage divider calibrating device can be heated too high to cause system failure after long-time operation, and the normal use of the voltage divider calibrating device is influenced.
Therefore, it is necessary to invent a calibration device for voltage divider to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a voltage divider calibrating installation to the technical problem that the part is not hard up and system's trouble influences normal use appears easily in the voltage divider calibrating installation among the solution prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a voltage divider calibrating installation, includes box and calibrating installation, calibrating installation sets up inside the box, this voltage divider calibrating installation still includes support column, flexible post, spring, removal wheel and fan, the support column is connected to the bottom of box, flexible groove has been seted up on the support column, flexible post part inserts flexible inslot, the spring groove has been seted up on the flexible post, the one end of spring is inserted the spring inslot with flexible post butt, the other end of spring passes in proper order the spring groove with behind the flexible groove with the box butt, remove the wheel with flexible column connection, the louvre has been seted up on the box, the fan sets up in the louvre.
In one embodiment, a first limit protrusion is arranged on the telescopic column, a second limit protrusion is arranged on the support column, and the first limit protrusion and the second limit protrusion are configured to abut against each other when the spring extends.
In one embodiment, the voltage divider calibrating device further comprises a dust screen, the dust screen is arranged in the heat dissipation hole, and the dust screen is arranged outside the fan.
In one embodiment, the moving wheels are universal wheels.
In one embodiment, the voltage divider calibrating device further comprises an alarm, and the alarm is electrically connected with the calibrating device.
In one embodiment, the alarm is an audible and visual alarm.
In one embodiment, the box body is provided with two heat dissipation holes, the number of the fans is two, the two heat dissipation holes are symmetrically arranged on the box body, and the two fans are respectively arranged in the corresponding heat dissipation holes.
In one embodiment, the supporting column is welded to the box body.
The utility model discloses following beneficial effect has:
foretell voltage divider calibrating installation's box is connected with the removal wheel through support column and flexible post respectively, is provided with the spring between support column and the flexible post, at the in-process that voltage divider calibrating installation removed, can absorb the vibrations that remove the in-process production through the spring is flexible, make the box can the steady movement to can ensure that the precision part of box inside can not appear not hard up, guarantee that voltage divider calibrating installation can normal use, voltage divider calibrating installation's damping performance is good, product stability is high. In addition, the heat dissipation holes are formed in the box body of the voltage divider calibrating device, the fan is arranged in the heat dissipation holes, heat generated when the voltage divider calibrating device operates can be timely dissipated by the fan, the phenomenon of overhigh temperature rise can not occur even if the voltage divider calibrating device operates for a long time, the fault of the voltage divider calibrating device caused by high temperature can be avoided, the heat dissipation performance of the voltage divider calibrating device is good, and the product stability can be further improved.
Drawings
FIG. 1 is a schematic diagram of the configuration of a voltage divider calibration apparatus in one embodiment;
FIG. 2 is a side view of a voltage divider calibration apparatus in one embodiment;
FIG. 3 is a cross-sectional view of a voltage divider calibration apparatus in one embodiment;
fig. 4 is an enlarged view of a portion a of fig. 3.
Description of reference numerals:
1. a moving wheel; 2. a support pillar; 3. an input knob; 4. a dial scale; 5. a display; 6. a box body; 7. an alarm lamp; 8. a buzzer; 9. adjusting a knob; 10. an output knob; 11. a telescopic column; 12. heat dissipation holes; 13. a calibrating device; 14. a fan; 15. a dust screen; 16. a second limit bulge; 18. a spring slot; 19. a first limit protrusion; 20. a spring; 21. a telescopic groove.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 4, the calibrating apparatus for voltage divider of the present embodiment includes a box 6, a calibrating apparatus 13, a supporting column 2, a telescopic column 11, a spring 20, a moving wheel 1 and a fan 14. Calibrating installation 13 sets up inside box 6, support column 2 is connected to the bottom of box 6, flexible groove 21 has been seted up on support column 2, flexible post 11 part is inserted in flexible groove 21, spring groove 18 has been seted up on flexible post 11, the one end of spring 20 inserts in spring groove 18 with flexible post 11 butt, the other end of spring 20 pass in proper order behind spring groove 18 and the flexible groove 21 with box 6 butt, it is connected with flexible post 11 to remove wheel 1, louvre 12 has been seted up on the box 6, fan 14 sets up in louvre 12.
In one embodiment, the telescopic column 11 is provided with a first limiting protrusion 19, the support column 2 is provided with a second limiting protrusion 16, the first limiting protrusion 19 and the second limiting protrusion 16 are configured to abut against each other when the spring 20 extends, and the telescopic column 11 can be prevented from sliding out of the telescopic groove 21 by abutting against each other through the first limiting protrusion 19 and the second limiting protrusion 16, so that the spring 20 can be stably and reliably mounted.
In one embodiment, the voltage divider calibrating device further comprises a dust screen 15, the dust screen 15 is arranged in the heat dissipation hole 12, the dust screen 15 is arranged outside the fan 14, and the dust screen 15 can filter dust in air, so that the dust can be prevented from entering the box body 6 and depositing on the part to influence the performance of the part, and the stability of the product is improved.
In one embodiment, the moving wheel 1 may be, but is not limited to, a universal wheel. Specifically, the number of the moving wheels 1 is two, and the two moving wheels 1 are symmetrically arranged at the bottom of the box body 6.
In one embodiment, to improve the heat dissipation performance, two heat dissipation holes 12 are formed in the case 6, the number of the fans 14 is two, the two heat dissipation holes 12 are symmetrically disposed on the case 6, and the two fans 14 are disposed in the corresponding heat dissipation holes 12, respectively.
In one embodiment, the support post 2 is welded to the housing 6 for improved stability of the device.
In one embodiment, the voltage divider calibrating device further comprises an alarm, which is electrically connected with the calibrating device 13 and is used for outputting alarm information when the voltage divider is detected to have a fault. In particular, the alarm may be, but is not limited to, an audible and visual alarm. As shown in fig. 1 to 3, the alarm includes an alarm lamp 7 and a buzzer 8, when a fault of the voltage divider is detected, the alarm lamp 7 flashes, the buzzer 8 gives out a warning sound, and the alarm outputs an audible and visual alarm prompt.
Specifically, alarm lamp 7 sets up at the top of box 6, and buzzer 8 sets up with alarm lamp 7 is adjacent, and alarm lamp 7 and buzzer 8 are the symmetrical arrangement, and alarm lamp 7 and buzzer 8 all are connected with calibrating installation 13 electricity. Furthermore, a display 5 is fixedly connected to the middle of the box body 6, a dial 4 is arranged below the display 5, a plurality of scales are arranged on the surface of the dial 4, an adjusting knob 9 is matched with the dial 4, the dial 4 is fixedly connected with the box body 6, the adjusting knob 9 is movably connected to the middle of the dial 4, an input knob 3 and an output knob 10 are arranged below the dial 4, the input knob 3 and the output knob 10 are both fixedly connected with the box body 6, and the output knob 10 and the input knob 3 are symmetrically arranged.
The specific working process of the voltage divider calibrating device is described in detail as follows: when the voltage divider calibrating device is used, the voltage divider calibrating device is pushed, the voltage divider calibrating device moves through the moving wheel 1 at the bottom, and the spring absorbs vibration generated in the moving process through stretching in the moving process of the voltage divider calibrating device. After moving to the target position, be connected input knob 3 and output knob 10 respectively with the positive pole and the negative pole of voltage divider, according to corresponding electric current or resistance rotation adjust knob 9, adjust knob 9 to the scale that corresponds, the voltage divider circular telegram back, the voltage divider is connected with calibrating installation 13 electricity through the wire at both ends, form the short circuit between calibrating installation 13 and voltage divider when the voltage divider breaks down, alarm lamp 7 circular telegram scintillation, bee calling organ 8 reports to the police simultaneously and arouses staff's attention, the heat that produces when voltage divider calibrating installation operation disperses fast through louvre 12 and fan 14.
Foretell voltage divider calibrating installation's box 6 is connected with removal wheel 1 through support column 2 and flexible post 11 respectively, be provided with spring 20 between support column 2 and the flexible post 11, at the in-process that voltage divider calibrating installation removed, can absorb the vibrations that remove the in-process production through spring 20 is flexible, make box 6 can the steady movement, thereby can ensure that the inside precision part of box 6 can not appear becoming flexible, guarantee that voltage divider calibrating installation can normal use, voltage divider calibrating installation's damping performance is good, product stability is high. In addition, a heat dissipation hole 12 is formed in the box body 6 of the voltage divider calibrating device, a fan 14 is arranged in the heat dissipation hole 12, the fan 14 can timely dissipate heat generated when the voltage divider calibrating device operates, the phenomenon of overhigh temperature rise can not occur even if the voltage divider calibrating device operates for a long time, the fault of the voltage divider calibrating device caused by high temperature can be avoided, the heat dissipation performance of the voltage divider calibrating device is good, and the product stability can be further improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a voltage divider calibrating installation, includes box (6) and calibrating installation (13), calibrating installation (13) set up inside box (6), its characterized in that: still include support column (2), flexible post (11), spring (20), removal wheel (1) and fan (14), support column (2) are connected to the bottom of box (6), flexible groove (21) have been seted up on support column (2), flexible post (11) part is inserted in flexible groove (21), spring groove (18) have been seted up on flexible post (11), the one end of spring (20) is inserted in spring groove (18) with flexible post (11) butt, the other end of spring (20) passes in proper order spring groove (18) with behind flexible groove (21) with box (6) butt, remove wheel (1) with flexible post (11) are connected, louvre (12) have been seted up on box (6), fan (14) set up in box (12).
2. The voltage divider calibration apparatus according to claim 1, wherein a first limit protrusion (19) is disposed on the telescopic column (11), a second limit protrusion (16) is disposed on the support column (2), and the first limit protrusion (19) and the second limit protrusion (16) are configured to abut against each other when the spring (20) is extended.
3. The voltage divider calibrating device according to claim 1, further comprising a dust screen (15), wherein the dust screen (15) is disposed inside the heat dissipation hole (12), and the dust screen (15) is disposed outside the fan (14).
4. The voltage divider verification device according to claim 1, wherein the moving wheel (1) is a universal wheel.
5. The voltage divider calibrating device according to claim 1, characterized in that it further comprises an alarm, which is electrically connected to the calibrating device (13).
6. The voltage divider calibration apparatus of claim 5, wherein the alarm is an audible and visual alarm.
7. The calibrating apparatus for voltage divider according to claim 1, wherein the case (6) has two heat dissipating holes (12), the number of the fans (14) is two, the two heat dissipating holes (12) are symmetrically disposed on the case (6), and the two fans (14) are disposed in the corresponding heat dissipating holes (12), respectively.
8. The voltage divider calibration apparatus according to any one of claims 1 to 7, wherein the support column (2) is welded to the case (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651583.9U CN211348607U (en) | 2019-09-29 | 2019-09-29 | Calibrating device for voltage divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651583.9U CN211348607U (en) | 2019-09-29 | 2019-09-29 | Calibrating device for voltage divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211348607U true CN211348607U (en) | 2020-08-25 |
Family
ID=72094786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921651583.9U Active CN211348607U (en) | 2019-09-29 | 2019-09-29 | Calibrating device for voltage divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211348607U (en) |
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2019
- 2019-09-29 CN CN201921651583.9U patent/CN211348607U/en active Active
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