CN213240255U - Harmonic current and voltage flicker measuring instrument - Google Patents
Harmonic current and voltage flicker measuring instrument Download PDFInfo
- Publication number
- CN213240255U CN213240255U CN202022149163.XU CN202022149163U CN213240255U CN 213240255 U CN213240255 U CN 213240255U CN 202022149163 U CN202022149163 U CN 202022149163U CN 213240255 U CN213240255 U CN 213240255U
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- China
- Prior art keywords
- spring
- backup pad
- sliding block
- inner chamber
- harmonic current
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- 230000001681 protective effect Effects 0.000 claims abstract description 33
- 230000008093 supporting effect Effects 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 5
- 230000035939 shock Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229920001821 foam rubber Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a harmonic current voltage scintillation measuring apparatu, including the protective housing, the spout has all been seted up to the both sides of protective housing inner chamber bottom, the inner chamber sliding connection of spout has the sliding block, the top of sliding block articulates there is the bracing piece, the top of bracing piece articulates there is the backup pad. The utility model discloses a setting of backup pad, the backup pad removes at the inner chamber of guard box, the backup pad removes and drives the bracing piece atress and removes, the bracing piece atress removes and makes the sliding block slide at the inner chamber of spout, the spring leaf has elasticity, the spring leaf can make the sliding block translation rate slow down, play the cushioning effect to the sliding block, thereby play the shock attenuation cushioning effect to the measuring apparatu body, first spring has elasticity, can play buffering and supporting effect to the backup pad, further play the shock attenuation cushioning effect to the measuring apparatu body, shock attenuation buffering work has, ensure that the measuring apparatu body can not cause the damage because of rocking or jolting.
Description
Technical Field
The utility model relates to a harmonic detector technical field specifically is a harmonic current voltage scintillation measuring apparatu.
Background
The harmonic detector is an instrument for monitoring harmonic energy of a power system, and comprises a receiving/transmitting control function and a communication mode selection function, when a voltage or current waveform in a power grid is not an ideal sine wave, namely, the voltage or current waveform contains a voltage or current component with a frequency higher than 50 Hz, the current or voltage component with the frequency higher than 50 Hz is called as a harmonic, and when the harmonic frequency is an integral multiple of a power supply frequency, the harmonic frequency is called as an integral harmonic, and is generally expressed by times.
The harmonic detector is needed when the current and voltage of the power instrument are detected, the conventional harmonic detector does not have a damping function, and the harmonic detector is easily damaged due to collision caused by road bump in transportation, so that the harmonic current and voltage flicker measuring instrument needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a harmonic current voltage scintillation measuring apparatu has shock attenuation buffer function, and the harmonic detector is difficult for causing the damage because of jolting in the transportation to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a harmonic current voltage scintillation measuring apparatu, includes the protective housing, the spout has all been seted up to the both sides of protective housing inner chamber bottom, the inner chamber sliding connection of spout has the sliding block, the top of sliding block articulates there is the bracing piece, the top of bracing piece articulates there is the backup pad, the top laminating of backup pad has the measuring apparatu body, the equal fixed mounting of lower extreme of protective housing inner chamber both sides has the spring leaf, fixed mounting is located at the center of protective housing inner chamber bottom has the telescopic link, the top of telescopic link and the bottom welding of backup pad, the surface cover of telescopic link is equipped with first spring, the bottom of backup pad and the both sides that are located the telescopic link all.
Preferably, the inner side of the spring piece is attached to the outer side of the sliding block, the top of the first spring is welded to the bottom of the supporting plate, and the bottom of the first spring is welded to the bottom of the inner cavity of the protective box.
Preferably, both sides of the top of the supporting plate are provided with grooves, inner cavities of the grooves are connected with protruding blocks in a sliding mode, one side of each protruding block is welded with a second spring, and the inner side of each second spring is welded with one side of the inner cavity of each groove.
Preferably, the top of lug runs through the recess and extends to the outside of recess, the welding of the top of lug has the splint, one side of splint and the laminating of one side of measuring apparatu body.
Preferably, the bottom equidistance of protective housing has seted up the air vent, the bottom of protective housing and the outside fixed mounting that is located the air vent have a dust screen.
Preferably, the back of the top of the protective box is hinged with a box cover, and the bottom of the box cover is bonded with a sponge pad.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a setting of backup pad, the backup pad moves in the inner chamber of guard box, the backup pad removes and drives the bracing piece atress and moves, the bracing piece atress removes and makes the sliding block slide in the inner chamber of spout, the spring leaf has elasticity, the spring leaf can make the sliding block moving speed slow down, play the cushioning effect to the sliding block, thereby play the shock attenuation cushioning effect to the measuring apparatu body, the telescopic link atress makes its height reduce simultaneously, first spring atress shrink, first spring has elasticity, can play buffering and supporting role to the backup pad, further play the shock attenuation cushioning effect to the measuring apparatu body, have the shock attenuation cushioning work, ensure that the measuring apparatu body can not cause the damage because of rocking or jolting;
2. the utility model can drive the lug to move in the inner cavity of the groove when the splint is moved, the lug moves to lead the second spring to be stressed and contracted, the second spring generates reaction force to drive the lug to move when being pressed, thereby leading the splint to fix the measuring instrument body, the spring leaf has elasticity, when the sliding block moves under stress, the spring leaf can lead the moving speed of the sliding block to slow down, thereby playing a buffer role on the sliding block, the telescopic rod can be extended and contracted, when the support plate moves under stress, the height of the telescopic rod is reduced, the first spring contracts under stress, the first spring has elasticity, playing a buffer and support role on the support plate, the heat radiation fan can radiate the measuring instrument body, the heat is discharged through the vent hole, the dust screen can prevent dust from entering the inside of the protective box, the four corners at the bottom of the protective box are all fixedly provided with the support legs, the support legs can play a supporting, the protection box of being convenient for place, the foam-rubber cushion can play the guard action to the measuring apparatu body, and the top fixed mounting of case lid has the handle, and the handle is convenient for to opening or closing of case lid, is convenient for simultaneously to the removal of protection box.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a cross section of the support plate of the present invention;
fig. 3 is a schematic structural diagram of the groove of the present invention.
In the figure: 1. a protective box; 2. a slider; 3. a telescopic rod; 4. a first spring; 5. a vent hole; 6. a chute; 7. a spring plate; 8. a support plate; 9. a gauge body; 10. a sponge cushion; 11. a box cover; 12. a splint; 13. a support bar; 14. a heat radiation fan; 15. a second spring; 16. a groove; 17. and (4) a bump.
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. 1-3, the present invention provides a technical solution:
a harmonic current and voltage flicker measuring instrument comprises a protective box 1, sliding grooves 6 are formed in two sides of the bottom of an inner cavity of the protective box 1, the inner cavity of each sliding groove 6 is connected with a sliding block 2 in a sliding mode, a supporting rod 13 is hinged to the top of each sliding block 2, a supporting plate 8 is hinged to the top of each supporting rod 13, a measuring instrument body 9 is attached to the top of each supporting plate 8, grooves 16 are formed in two sides of the top of each supporting plate 8, inner cavities of the grooves 16 are connected with bumps 17 in a sliding mode, second springs 15 are welded to one sides of the inner cavities of the bumps 17, the inner sides of the second springs 15 are welded to one sides of the inner cavities of the grooves 16, the tops of the bumps 17 penetrate through the grooves 16 and extend to the outside of;
through the arrangement of the clamping plate 12, when the clamping plate 12 is moved, the lug 17 can be driven to move in the inner cavity of the groove 16, the lug 17 moves to enable the second spring 15 to be stressed and contracted, and when the second spring 15 is pressed, a reaction force is generated to drive the lug 17 to move, so that the clamping plate 12 fixes the measuring instrument body 9;
the lower ends of two sides of the inner cavity of the protective box 1 are fixedly provided with spring pieces 7, the center of the bottom of the inner cavity of the protective box 1 is fixedly provided with an expansion link 3, the top of the expansion link 3 is welded with the bottom of a support plate 8, the surface of the expansion link 3 is sleeved with a first spring 4, the inner side of the spring piece 7 is attached to the outer side of a sliding block 2, the top of the first spring 4 is welded with the bottom of the support plate 8, and the bottom of the first spring 4 is welded with the bottom of the inner cavity of the protective;
through the arrangement of the spring pieces 7, the spring pieces 7 have elasticity, when the sliding block 2 moves under stress, the spring pieces 7 can slow down the moving speed of the sliding block 2, so that the sliding block 2 is buffered, the telescopic rod 3 can stretch and retract, when the supporting plate 8 moves under stress, the height of the telescopic rod 3 is reduced, the first spring 4 contracts under stress, and the first spring 4 has elasticity and can buffer and support the supporting plate 8;
as shown in fig. 1, heat dissipation fans 14 are embedded in the bottom of the support plate 8 and on both sides of the telescopic rod 3, vent holes 5 are equidistantly formed in the bottom of the protective box 1, and a dust screen is fixedly mounted at the bottom of the protective box 1 and outside the vent holes 5;
through the arrangement of the cooling fan 14, the cooling fan 14 can cool the measuring instrument body 9, heat is discharged through the vent hole 5, the dust screen can prevent dust from entering the protection box 1, the four corners of the bottom of the protection box 1 are fixedly provided with supporting legs, and the supporting legs can support the protection box 1, so that the protection box 1 can be conveniently placed;
the back of the top of the protective box 1 is hinged with a box cover 11, and the bottom of the box cover 11 is bonded with a sponge pad 10; through the setting of case lid 11, case lid 11 can play the guard action to the inside of protective housing 1, and foam-rubber cushion 10 can play the guard action to measuring apparatu body 9, and the top fixed mounting of case lid 11 has the handle, and the handle is convenient for open or close case lid 11, is convenient for simultaneously to the removal of protective housing 1.
The working principle is as follows: when the measuring instrument is used, when the protective box 1 is carried to move, and the protective box 1 is stressed and bumped, the measuring instrument body 9 can apply an acting force to the supporting plate 8, the supporting plate 8 moves in an inner cavity of the protective box 1, the supporting plate 8 moves to drive the supporting rod 13 to move under stress, the supporting rod 13 moves under stress to enable the sliding block 2 to slide in an inner cavity of the sliding groove 6, the spring leaf 7 has elasticity, the spring leaf 7 can enable the moving speed of the sliding block 2 to be reduced, the sliding block 2 is buffered, the measuring instrument body 9 is accordingly buffered and buffered, meanwhile, the telescopic rod 3 is stressed to enable the height of the telescopic rod to be reduced, the first spring 4 contracts under stress, the first spring 4 has elasticity, the supporting plate 8 can be buffered and supported, the measuring instrument body 9 is further buffered and buffered, and the measuring instrument body 9 is ensured not to;
when the measuring instrument body 9 needs to be used, the box cover 11 is opened through the handle, then the instrument needing to be measured is connected, the heat dissipation fan 14 starts working, the heat dissipation fan 14 dissipates heat of the measuring instrument body 9, the heat is discharged through the vent hole 5, and the dust can be prevented from entering the protective box 1 through the dust screen.
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. The utility model provides a harmonic current voltage scintillation measuring apparatu, includes guard box (1), its characterized in that: spout (6) have all been seted up to the both sides of protective housing (1) inner chamber bottom, the inner chamber sliding connection of spout (6) has sliding block (2), the top of sliding block (2) articulates there is bracing piece (13), the top of bracing piece (13) articulates there is backup pad (8), the top laminating of backup pad (8) has measuring apparatu body (9), the equal fixed mounting of lower extreme of protective housing (1) inner chamber both sides has spring leaf (7), fixed mounting is located at the center of protective housing (1) inner chamber bottom has telescopic link (3), the top of telescopic link (3) and the bottom welding of backup pad (8), the surface cover of telescopic link (3) is equipped with first spring (4), the bottom of backup pad (8) and the both sides that are located telescopic link (3) all inlay and are equipped with radiator fan (14).
2. The harmonic current and voltage flicker measuring instrument according to claim 1, wherein: the inside of spring leaf (7) and the outside laminating of sliding block (2), the top of first spring (4) and the bottom welding of backup pad (8), the bottom of first spring (4) and the bottom welding of guard box (1) inner chamber.
3. The harmonic current and voltage flicker measuring instrument according to claim 1, wherein: the supporting plate is characterized in that grooves (16) are formed in two sides of the top of the supporting plate (8), a convex block (17) is connected to an inner cavity of each groove (16) in a sliding mode, a second spring (15) is welded to one side of each convex block (17), and the inner side of each second spring (15) is welded to one side of the inner cavity of each groove (16).
4. A harmonic current voltage flicker meter as claimed in claim 3, wherein: the top of lug (17) runs through recess (16) and extends to the outside of recess (16), the welding of the top of lug (17) has splint (12), one side and the laminating of one side of measuring apparatu body (9) of splint (12).
5. The harmonic current and voltage flicker measuring instrument according to claim 1, wherein: air vent (5) have been seted up to the bottom equidistance of protective housing (1), the bottom of protective housing (1) and the outside fixed mounting that is located air vent (5) have a dust screen.
6. The harmonic current and voltage flicker measuring instrument according to claim 1, wherein: the back at the top of the protective box (1) is hinged with a box cover (11), and the bottom of the box cover (11) is bonded with a sponge pad (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022149163.XU CN213240255U (en) | 2020-09-25 | 2020-09-25 | Harmonic current and voltage flicker measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022149163.XU CN213240255U (en) | 2020-09-25 | 2020-09-25 | Harmonic current and voltage flicker measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213240255U true CN213240255U (en) | 2021-05-18 |
Family
ID=75878517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022149163.XU Expired - Fee Related CN213240255U (en) | 2020-09-25 | 2020-09-25 | Harmonic current and voltage flicker measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213240255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219232A (en) * | 2021-05-28 | 2021-08-06 | 安徽得倍安检测技术有限公司 | Intelligent lightning current amplitude recorder |
| CN116298412A (en) * | 2023-02-27 | 2023-06-23 | 赛诺(嘉兴)科技服务有限公司 | Harmonic flicker testing device and testing method |
-
2020
- 2020-09-25 CN CN202022149163.XU patent/CN213240255U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219232A (en) * | 2021-05-28 | 2021-08-06 | 安徽得倍安检测技术有限公司 | Intelligent lightning current amplitude recorder |
| CN116298412A (en) * | 2023-02-27 | 2023-06-23 | 赛诺(嘉兴)科技服务有限公司 | Harmonic flicker testing device and testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |