CN213423334U - Three-phase unbalance monitoring system for low-voltage power distribution cabinet - Google Patents
Three-phase unbalance monitoring system for low-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN213423334U CN213423334U CN202022417644.4U CN202022417644U CN213423334U CN 213423334 U CN213423334 U CN 213423334U CN 202022417644 U CN202022417644 U CN 202022417644U CN 213423334 U CN213423334 U CN 213423334U
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- block
- fixed
- fixedly arranged
- monitoring device
- connecting block
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 238000012806 monitoring device Methods 0.000 claims abstract description 30
- 238000001125 extrusion Methods 0.000 claims abstract description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an unbalanced three-phase monitoring system who can be used to low-voltage distribution cabinet, including monitoring devices body and connecting block, monitoring devices body surface both sides are the fixed block that is provided with all, the fixed plate that is provided with in inboard middle part of fixed block, the fixed copper needle that is provided with in one side of fixed block is kept away from to the fixed plate, the fixed wire that is provided with in one side that the fixed plate is close to the monitoring devices body, the monitoring devices body passes through electric connection between wire and the copper needle, the connecting block surface is provided with block mechanism, block mechanism includes telescopic link, extrusion piece, shift ring, transfer line, the fixed telescopic link that is provided with of the inboard lateral wall of connecting block, the fixed extrusion piece that is provided with of telescopic link one end. The utility model discloses excellent in use effect can conveniently incorporate the monitoring devices body into the electric wire netting, can conveniently be connected the cable with the monitoring devices body.
Description
Technical Field
The utility model relates to a power grid monitoring technology field specifically is an unbalanced three-phase monitoring system who can be used to low-voltage distribution cabinet.
Background
The three-phase voltage unbalance is an important index of the electric energy quality, and the three-phase voltage unbalance is determined by different amplitudes or phase differences of not 120 degrees or both. The degree of unbalance refers to the degree of unbalance of three phases in a three-phase power system and is expressed by the percentage of the root mean square value of the voltage negative sequence fundamental component and the positive sequence fundamental component.
At present often can be provided with the balanced condition that electric wire netting detection device and system detected three-phase voltage in switch board inside, and present electric wire netting detection device often need carry out the connection of cable when merging into the electric wire netting, and present cable connection process is comparatively troublesome, often need skin the cable earlier then with the cable winding at the target location, it is very troublesome to connect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an unbalanced three phase monitoring system who can be used to low-voltage distribution cabinet 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: a three-phase imbalance monitoring system for a low-voltage power distribution cabinet comprises a monitoring device body and a connecting block, wherein fixed blocks are fixedly arranged on two sides of the surface of the monitoring device body, a fixed plate is fixedly arranged at the middle part of the inner side of each fixed block, a copper needle is fixedly arranged on one side, far away from the fixed blocks, of each fixed plate, a lead is fixedly arranged on one side, close to the monitoring device body, of each fixed plate, the monitoring device body is electrically connected with the copper needles through the lead, a clamping mechanism is arranged on the surface of the connecting block and comprises a telescopic rod, an extrusion block, a movable ring and a transmission rod, the telescopic rod is fixedly arranged on the side wall of the inner side of the connecting block, the extrusion block is fixedly arranged at one end of the telescopic rod, the movable ring is, one end of the transmission rod, which is close to the extrusion block, is movably connected with the extrusion block through a pin shaft.
Preferably, the side wall of the inner side of the fixed block is provided with a thread groove, and the connecting block and the fixed block can be conveniently screwed and connected together through the thread groove.
Preferably, the rubber pad is arranged on the outer side surface of the extrusion block, so that the friction force on the outer side surface of the extrusion block can be increased through the rubber pad, the cable can be conveniently extruded and fixed, meanwhile, the insulation and protection operation can be performed through the rubber pad, and the cable is prevented from being damaged during clamping of the extrusion block.
Preferably, the outer side surface of the moving ring is provided with a groove, a handle is movably arranged in the groove through a rotating shaft, and the handle is rotated through the rotating shaft to stand up, so that the moving ring can be conveniently rotated, and the cable can be conveniently extruded and clamped.
Preferably, one side of the connecting block, which is close to the monitoring device body, is fixedly provided with a guide block, and the connecting block can be conveniently inserted into the fixing block through the guide block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses can be with needs and this body coupling's of monitoring devices cable during the use device, need not to skin disect insertion to between the extrusion piece, twist through the screw thread afterwards and move the shift ring, make the shift ring remove right, so can promote the transfer line through the shift ring, then promote the extrusion piece through the transfer line, extrude the fastening cable through the extrusion piece, rethread screw thread closes soon afterwards and links together connecting block and fixed block, so can insert the cable with the copper needle inside, the cable can be through copper needle and wire and this body electric connection of monitoring devices immediately, and whole connection process convenient and fast.
2. The utility model discloses can be different according to the removal degree about the shift ring when using to make the collection degree of extrusion piece different, so can make the cable that the device can fix different thicknesses also can conveniently carry out electric connection with the cable of different thicknesses and monitoring devices body.
Drawings
Fig. 1 is a schematic view of the overall structure of a three-phase imbalance monitoring system applicable to a low-voltage distribution cabinet according to the present invention;
fig. 2 is an overall structural view of a three-phase imbalance monitoring system clamping mechanism that can be used for a low-voltage distribution cabinet according to the present invention;
fig. 3 is the utility model relates to an installation view of unbalanced three-phase monitoring system connecting block and fixed block that can be used to low-voltage distribution cabinet.
In the figure: 1. a monitoring device body; 2. connecting blocks; 3. a fixed block; 4. a fixing plate; 5. a copper needle; 6. a wire; 7. a telescopic rod; 8. extruding the block; 9. a moving ring; 10. a transmission rod; 11. a groove; 12. a handle; 13. and a guide block.
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 three-phase imbalance monitoring system for a low-voltage power distribution cabinet comprises a monitoring device body 1 and a connecting block 2, wherein fixed blocks 3 are fixedly arranged on two sides of the surface of the monitoring device body 1, a fixed plate 4 is fixedly arranged in the middle of the inner side of each fixed block 3, a copper needle 5 is fixedly arranged on one side, far away from the fixed block 3, of each fixed plate 4, a lead 6 is fixedly arranged on one side, close to the monitoring device body 1, of each fixed plate 4, the monitoring device body 1 is electrically connected with the copper needles 5 through the lead 6, a clamping mechanism is arranged on the surface of the connecting block 2 and comprises a telescopic rod 7, an extrusion block 8, a moving ring 9 and a transmission rod 10, a telescopic rod 7 is fixedly arranged on the side wall of the inner side of the connecting block 2, the extrusion block 8 is fixedly arranged at one end of, one side of the surface of the movable ring 9 is movably provided with a transmission rod 10 through a rotating shaft, and one end of the transmission rod 10, which is close to the extrusion block 8, is movably connected with the extrusion block 8 through a pin shaft.
The side wall of the inner side of the fixed block 3 is provided with a thread groove, the connecting block 2 and the fixed block 3 can be conveniently screwed and connected together through the thread groove, the outer side surface of the extrusion block 8 is provided with a rubber pad, the friction force of the outer side surface of the extrusion block 8 can be increased through the rubber pad, thereby being convenient for extruding and fixing the cable, simultaneously playing the insulating and protecting operations through the rubber pad, preventing the cable from being damaged when the extruding block 8 clamps the cable, the outer side surface of the moving ring 9 is provided with a groove 11, a handle 12 is movably arranged in the groove 11 through a rotating shaft, the handle 12 is rotated through the rotating shaft to stand up, thereby can conveniently rotate shift ring 9, so can conveniently extrude and press from both sides tight cable, connecting block 2 is close to one side of monitoring devices body 1 and is fixed and is provided with guide block 13, can conveniently insert connecting block 2 inside fixed block 3 through guide block 13.
The working principle is as follows: when the device is used, cables which need to be connected with the monitoring device body 1 can be directly inserted between the extrusion blocks 8 without being peeled, then the moving ring 9 is screwed through threads, so that the moving ring 9 moves rightwards, the transmission rod 10 can be pushed through the moving ring 9, then the extrusion blocks 8 are pushed through the transmission rod 10, the cables are extruded and fastened through the extrusion blocks 8, then the connecting block 2 and the fixing block 3 are connected together through thread screwing, so that the copper pins 5 can be inserted into the cables, the cables can be electrically connected with the monitoring device body 1 through the copper pins 5 and the wires 6, the whole connection process is convenient and quick, meanwhile, the device can be used according to different moving degrees of the moving ring 9 on the left and right, so that the collection degrees of the extrusion blocks 8 are different, the device can fix the cables with different thicknesses, and can also be conveniently and electrically connected with the monitoring device body 1, this is the utility model relates to an unbalanced three phase monitoring system's that can be used to low-voltage distribution cabinet theory of operation.
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 (5)
1. The utility model provides a three-phase unbalance monitoring system who can be used to low-voltage distribution cabinet, includes monitoring devices body (1) and connecting block (2), its characterized in that: the monitoring device comprises a monitoring device body (1), wherein fixed blocks (3) are fixedly arranged on two sides of the surface of the monitoring device body (1), a fixed plate (4) is fixedly arranged in the middle of the inner side of the fixed block (3), a copper needle (5) is fixedly arranged on one side, far away from the fixed block (3), of the fixed plate (4), a wire (6) is fixedly arranged on one side, close to the monitoring device body (1), of the fixed plate (4), the monitoring device body (1) is electrically connected with the copper needle (5) through the wire (6), a clamping mechanism is arranged on the surface of a connecting block (2), the clamping mechanism comprises a telescopic rod (7), an extrusion block (8), a moving ring (9) and a transmission rod (10), the telescopic rod (7) is fixedly arranged on the side wall of the inner side of the connecting block (2), the extrusion block (8) is fixedly arranged at one end, one side of the surface of the movable ring (9) is movably provided with a transmission rod (10) through a rotating shaft, and one end, close to the extrusion block (8), of the transmission rod (10) is movably connected with the extrusion block (8) through a pin shaft.
2. The system according to claim 1, characterized in that it comprises: the side wall of the inner side of the fixing block (3) is provided with a thread groove.
3. The system according to claim 1, characterized in that it comprises: and a rubber pad is arranged on the outer side surface of the extrusion block (8).
4. The system according to claim 1, characterized in that it comprises: the outer side surface of the moving ring (9) is provided with a groove (11), and a handle (12) is movably arranged in the groove (11) through a rotating shaft.
5. The system according to claim 1, characterized in that it comprises: and a guide block (13) is fixedly arranged on one side, close to the monitoring device body (1), of the connecting block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022417644.4U CN213423334U (en) | 2020-10-27 | 2020-10-27 | Three-phase unbalance monitoring system for low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022417644.4U CN213423334U (en) | 2020-10-27 | 2020-10-27 | Three-phase unbalance monitoring system for low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213423334U true CN213423334U (en) | 2021-06-11 |
Family
ID=76248166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022417644.4U Expired - Fee Related CN213423334U (en) | 2020-10-27 | 2020-10-27 | Three-phase unbalance monitoring system for low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213423334U (en) |
-
2020
- 2020-10-27 CN CN202022417644.4U patent/CN213423334U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 |