CN212872587U - Quick detection device of low pressure three-phase unbalance degree - Google Patents
Quick detection device of low pressure three-phase unbalance degree Download PDFInfo
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- CN212872587U CN212872587U CN202021692593.XU CN202021692593U CN212872587U CN 212872587 U CN212872587 U CN 212872587U CN 202021692593 U CN202021692593 U CN 202021692593U CN 212872587 U CN212872587 U CN 212872587U
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- instrument
- unbalance degree
- connecting conductor
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- main casing
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Abstract
The utility model discloses a quick detection device of low pressure three-phase unbalance degree, including the instrument main casing body, the front end fixed mounting of the instrument main casing body has the display screen, the below of display screen evenly is provided with a plurality of operation button, the up end movable mounting of the instrument main casing body has the carriage, the activity is installed to the one end of carriage and is pressed the depression bar, the activity is pressed the below movable mounting of depression bar and is prevented falling the grafting piece, the even movable mounting in the middle of carriage has two movable splint, the even movable mounting in the middle of the instrument main casing body has the connecting rod. The utility model discloses an install that connection frame, connecting rod, metal guide pillar, extension spring, connecting conductor and line terminal connecting conductor are convenient to be connected the circuit tip, protect line terminal and instrument connection port, avoid examining time measuring, adverse effect appears in external dust and hydrone to detecting, lead to detecting that data mistake or fluctuation appear, simple structure, convenient operation.
Description
Technical Field
The utility model relates to an intelligent electric meter technical field specifically is a quick detection device of low pressure three-phase unbalance degree.
Background
With the rapid development of social economy, the smart meter is one of the basic devices for data acquisition of a smart grid (particularly a smart distribution network), bears the tasks of original electric energy data acquisition, measurement and transmission, and is the basis for realizing information integration, analysis optimization and information display.
However, when the existing intelligent electric meter detects the low-voltage three-phase unbalance degree, no protective measures exist when the connection port of the line is positioned outside the instrument, and the accuracy of a test result is easily influenced due to errors caused by external factors; therefore, the existing requirements are not met, and a device for rapidly detecting the unbalance degree of the low-voltage three phases is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick detection device of low pressure three-phase unbalance degree to solve the current smart electric meter that proposes in the above-mentioned background art and when examining low pressure three-phase unbalance degree, the connection port of circuit lies in the instrument outside and does not have the safeguard measure, because external factor error appears easily, influences the accuracy nature scheduling problem of test result.
In order to achieve the above object, the utility model provides a following technical scheme: a quick detection device for low-voltage three-phase unbalance comprises an instrument main shell, wherein a display screen is fixedly mounted at the front end of the instrument main shell, a plurality of operation keys are uniformly arranged below the display screen, a connecting frame is movably mounted on the upper end face of the instrument main shell, a movable pressing rod is mounted at one end of the connecting frame, an anti-falling plug block is movably mounted below the movable pressing rod, two movable clamping plates are uniformly and movably mounted in the middle of the connecting frame, a connecting rod is uniformly and movably mounted in the middle of the instrument main shell, the upper end of the connecting rod is fixedly connected with the bottom faces of the end portions of the movable clamping plates, a mounting cross beam is fixedly mounted in the middle of the two connecting rods, a plurality of connecting conductors are uniformly mounted in the mounting cross beam, wire end connecting conductors are mounted on the outer sides of the connecting conductors, metal guide posts are movably mounted below the, the equal fixed mounting in bottom outside of connecting rod has the direction slider, be provided with the extension spring between direction slider and the instrument main casing body, one of them a side surface of connecting rod is provided with prevents retrieving the inserting groove.
Preferably, the surface of the anti-drop plug block is provided with an inclined plane with a certain inclination, and a light spring is arranged between one end of the anti-drop plug block and the main shell of the instrument.
Preferably, three semicircular clamping grooves are uniformly formed in the side edges, which are mutually attached to the movable clamping plate, of the movable clamping plate, and sealing gaskets are fixedly bonded in the semicircular clamping grooves.
Preferably, the bottom end of the line end connecting conductor is completely attached to the surface of the connecting conductor, and the line end connecting conductor and the connecting conductor are integrally cast and molded.
Preferably, both ends of the movable clamping plate are fixedly provided with side sliding blocks, and clamping springs are arranged between the side sliding blocks and the connecting frame.
Preferably, the outer side of the connecting conductor is completely attached to the inner side of the mounting cross beam, and the connecting conductor is fixed to the mounting cross beam through a clamping groove.
Preferably, the outer side of the movable pressing rod is completely attached to the inner side of the main shell of the instrument, and the movable pressing rod is connected with the main shell of the instrument in a sliding mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model pulls the connecting frame upwards to drive the connecting rod and the guide slider outside the bottom end of the connecting rod to move, when the guide slider moves, the extension spring can be stretched to continuously pull the connecting frame until the recycling-proof inserting groove on one side surface of the connecting rod is aligned with the end position of the falling-proof inserting block, at the moment, the falling-proof inserting block can be inserted into the recycling-proof inserting groove under the elastic ejection action of the light spring, at the moment, a worker can separate the two movable clamping plates from each other to enable the side slider to compress the clamping spring, then the connected detected line end is passed through the sealing washer between the two movable clamping plates to connect the line end with the line end connecting conductor, then the movable pressing rod is pressed to enable the movable pressing rod to extrude the inclined plane on the surface of the falling-proof inserting block, so that the falling-proof inserting block compresses the light spring again and the end part is separated from the recycling-proof inserting groove, at the moment, the connecting rod can be passively reset under the pulling of the tension spring to the guide sliding block, so that the connecting frame and the line end connecting conductor are reset, the connected line end connecting conductor at the end part of the detected line can be recovered to the inside of the main shell of the instrument, the connecting port can be ensured not to be exposed to the external environment during detection, and the phenomenon that dust and water molecules flying from the outside are attached to the detection connection part to interfere the detection, so that the detection result fluctuates or errors occur;
2. the utility model discloses a when connecting the circuit, the tip of preventing falling the inserted block is pegged graft and is retrieved inside the inserting groove at preventing of connecting rod side, can also can't retrieve the inside instrument main casing body after the carriage loosens, guarantee that the connection of circuit goes on smoothly, and after the line connection finishes, seal ring in the middle of two movable clamp plates can be by the complete cladding of detection circuitry, guarantee the inside sealed environment of device when detecting, further external dust of assurance and hydrone can not cause the influence to detecting.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic view of a partial structure of the connection frame of the present invention;
FIG. 3 is a schematic structural view of the main housing of the apparatus of the present invention;
fig. 4 is a schematic structural diagram of a point a in fig. 3 according to the present invention.
In the figure: 1. an instrument main housing; 2. a movable pressing rod; 3. a connecting frame; 4. a movable splint; 5. a sealing gasket; 6. a display screen; 7. operating a key; 8. a side slider; 9. clamping the spring; 10. a tension spring; 11. a guide slider; 12. a connecting rod; 13. a metal guide post; 14. mounting a cross beam; 15. a connecting conductor; 16. the recycling prevention inserting groove; 17. a wire end connecting conductor; 18. prevent falling the grafting piece.
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.
Referring to fig. 1 to 4, the present invention provides an embodiment: a low-voltage three-phase unbalance rapid detection device comprises an instrument main shell 1, a display screen 6 is fixedly installed at the front end of the instrument main shell 1, detection data can be conveniently and directly displayed, a Sabina neon worker observes the display screen, a plurality of operation keys 7 are uniformly arranged below the display screen 6, a connecting frame 3 is movably installed on the upper end face of the instrument main shell 1, a movable pressing rod 2 is installed at one end of the connecting frame 3, an anti-falling insertion block 18 is movably installed below the movable pressing rod 2, two movable clamping plates 4 are uniformly and movably installed in the middle of the connecting frame 3, connecting rods 12 are uniformly and movably installed in the middle of the instrument main shell 1, the upper ends of the connecting rods 12 are fixedly connected with the bottom surfaces of the end portions of the movable clamping plates 4, an installation cross beam 14 is fixedly installed in the middle of the two connecting rods 12, and a plurality of connecting conductors, the outside of connecting conductor 15 is installed line terminal connecting conductor 17, and the below movable mounting of connecting conductor 15 has metal guide pillar 13, dredges the instrument internal detection component and is carried out the electric current with the circuit to be detected, guarantees to detect smoothly and goes on, and the equal fixed mounting in bottom outside of connecting rod 12 has guide slider 11, is provided with extension spring 10 between guide slider 11 and the instrument main casing body 1, and one side surface of one of them connecting rod 12 is provided with prevents retrieving inserting groove 16.
Further, the surface of the anti-drop plug block 18 is provided with an inclined surface having a certain inclination, and a light spring is provided between one end of the anti-drop plug block 18 and the instrument main housing 1.
Through adopting above-mentioned technical scheme, light spring is convenient for upwards stimulate at connecting rod 12 for prevent retrieving inserting groove 16 and prevent falling when inserting 18's tip counterpoints will prevent falling inserting 18 and push up and move the grafting and prevent retrieving inserting groove 16 inside, avoid connecting rod 12 because extension spring 10 retrieves and gets into the inside of the instrument main casing body 1, and the convenient activity in inclined plane is pressed the depression bar 2 and is extrudeed preventing falling inserting 18.
Furthermore, the side that movable clamp plate 4 and movable clamp plate 4 laminated each other all evenly is provided with three semi-circular draw-in groove, and semi-circular draw-in groove internal fixation bonds has seal ring 5.
Through adopting above-mentioned technical scheme, semi-circular draw-in groove makes things convenient for interconnecting link to pass two movable clamp 4 and line terminal connecting conductor 17 and connect, and seal ring 5 can block up the gap between interconnecting link and the semi-circular draw-in groove, avoids dust and hydrone to get into and influences the testing result.
Further, the bottom end of the line end connecting conductor 17 is completely attached to the surface of the connecting conductor 15, and the line end connecting conductor 17 and the connecting conductor 15 are integrally cast.
By adopting the technical scheme, the integral performance of the wire end connecting conductor 17 and the connecting conductor 15 after the integral casting molding is good, the connection is stable, the wire end connecting conductor 17 and the connecting conductor 15 cannot be easily broken and separated, and the wire end connecting conductor 17 and the connecting conductor 15 have good conductive capability.
Furthermore, both ends of the movable clamping plate 4 are fixedly provided with side sliding blocks 8, and a clamping spring 9 is arranged between the side sliding blocks 8 and the connecting frame 3.
Through adopting above-mentioned technical scheme, side slider 8 and clamping spring 9 make things convenient for two movable clamp plate 4 to carry out the alternate segregation, and the staff of being convenient for passes two movable clamp plate 4 with interconnecting link and carries out fixed connection with line terminal connecting conductor 17.
Further, the outer side of the connecting conductor 15 is completely attached to the inner side of the mounting beam 14, and the connecting conductor 15 is fixed to the mounting beam 14 through a clamping groove.
By adopting the technical scheme, the clamping groove is simple in structure, convenient to manufacture and use and convenient for installation, fixation and disassembly and replacement after damage of the connecting conductor 15.
Further, the outer side of the movable pressing rod 2 is completely attached to the inner side of the main body housing 1 of the instrument, and the movable pressing rod 2 is slidably connected with the main body housing 1 of the instrument.
Through adopting above-mentioned technical scheme, activity press rod 2 can be passively move down, with the inclined plane extrusion on anti-falling plug block 18 surface for anti-falling plug block 18 is passive extrudeed the light spring, makes the tip of anti-falling plug block 18 break away from preventing retrieving the inside of inserting groove 16.
The working principle is as follows: when the anti-falling device is used, firstly, the connecting frame 3 is pulled upwards to drive the connecting rod 12 and the guide sliding block 11 outside the bottom end of the connecting rod 12 to move, when the guide sliding block 11 moves, the tension spring 10 is stretched, the connecting frame 3 is pulled continuously until the anti-falling inserting groove 16 on the side surface of one connecting rod 12 is aligned with the end position of the anti-falling inserting block 18, at the moment, the lower end part of the anti-falling inserting block 18 under the elastic ejection action of the light spring is inserted into the anti-falling inserting groove 16, at the moment, the connecting rod 12 cannot be pulled due to the limitation of the anti-falling inserting block 18, and cannot be recovered to enter the inside of the instrument main shell 1 after the connecting frame 3 is loosened, so that the working personnel can be ensured not to be interfered during operation, at the moment, the working personnel can separate the two movable clamping plates 4 from each other to enable the side sliding block 8 to compress, then the end of the connected detected line passes through a sealing washer 5 between two movable clamping plates 4 to connect the end of the line with a line end connecting conductor 17, then the movable pressing rod 2 is pressed to enable the movable pressing rod 2 to extrude the inclined plane on the surface of the anti-falling plugging block 18, the anti-falling plugging block 18 compresses the light spring again and the end is separated from the interior of the anti-recovery plugging groove 16, at the moment, the connecting rod 12 can be passively reset under the pulling of the tension spring 10 on the guide sliding block 11 to enable the connecting frame 3 and the line end connecting conductor 17 to reset, the line end connecting conductor 17 at the end of the connected detected line can be recovered to the interior of the instrument main shell 1, the connecting port can be ensured not exposed in the external environment during detection, the phenomenon that dust and water molecules flying from the outside are attached to the detection connection position to cause interference to the detection and cause the fluctuation or error of the detection result can be avoided, simple structure and convenient operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. The utility model provides a quick detection device of low pressure three-phase unbalance degree, includes the instrument main casing body, its characterized in that: the front end of the main body of the instrument is fixedly provided with a display screen, a plurality of operation keys are uniformly arranged below the display screen, the upper end surface of the main body of the instrument is movably provided with a connecting frame, one end of the connecting frame is provided with a movable pressing rod, an anti-falling insertion block is movably arranged below the movable pressing rod, two movable clamping plates are uniformly and movably arranged in the middle of the connecting frame, the middle of the main body of the instrument is uniformly and movably provided with a connecting rod, the upper end of the connecting rod is fixedly connected with the bottom surface of the end part of the movable clamping plate, the middle of the two connecting rods is fixedly provided with an installation cross beam, a plurality of connecting conductors are uniformly arranged in the installation cross beam, the outer sides of the connecting conductors are provided with wire end connecting conductors, the lower parts of the connecting conductors are movably provided with metal guide posts, and, a tension spring is arranged between the guide sliding block and the main shell of the instrument, and one side surface of the connecting rod is provided with a recycling-preventing insertion groove.
2. The apparatus for rapidly detecting the unbalance degree of three phases of a low voltage according to claim 1, wherein: the surface of the anti-falling plug block is provided with an inclined plane with a certain inclination, and a light spring is arranged between one end of the anti-falling plug block and the main shell of the instrument.
3. The apparatus for rapidly detecting the unbalance degree of three phases of a low voltage according to claim 1, wherein: the movable clamping plate and the side edge of the movable clamping plate, which is mutually attached, are uniformly provided with three semicircular clamping grooves, and sealing gaskets are fixedly bonded inside the semicircular clamping grooves.
4. The apparatus for rapidly detecting the unbalance degree of three phases of a low voltage according to claim 1, wherein: the bottom end of the line end connecting conductor is completely attached to the surface of the connecting conductor, and the line end connecting conductor and the connecting conductor are integrally cast and molded.
5. The apparatus for rapidly detecting the unbalance degree of three phases of a low voltage according to claim 1, wherein: the both ends of activity splint all fixed mounting have the side slider, be provided with the clamping spring between side slider and the connection frame.
6. The apparatus for rapidly detecting the unbalance degree of three phases of a low voltage according to claim 1, wherein: the outer side of the connecting conductor is completely attached to the inner side of the mounting cross beam, and the connecting conductor is fixed with the mounting cross beam through the clamping groove.
7. The apparatus for rapidly detecting the unbalance degree of three phases of a low voltage according to claim 1, wherein: the outside of activity press rod and the inboard of the main casing body of instrument laminate completely, activity press rod and the main casing body sliding connection of instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692593.XU CN212872587U (en) | 2020-08-14 | 2020-08-14 | Quick detection device of low pressure three-phase unbalance degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021692593.XU CN212872587U (en) | 2020-08-14 | 2020-08-14 | Quick detection device of low pressure three-phase unbalance degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212872587U true CN212872587U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021692593.XU Expired - Fee Related CN212872587U (en) | 2020-08-14 | 2020-08-14 | Quick detection device of low pressure three-phase unbalance degree |
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| CN (1) | CN212872587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590043A (en) * | 2024-01-18 | 2024-02-23 | 天津瑞芯源智能科技有限责任公司 | Active isolation type electric energy meter |
-
2020
- 2020-08-14 CN CN202021692593.XU patent/CN212872587U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117590043A (en) * | 2024-01-18 | 2024-02-23 | 天津瑞芯源智能科技有限责任公司 | Active isolation type electric energy meter |
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| 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: 20210402 Termination date: 20210814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |