CN210199174U - Portable electric energy measuring device - Google Patents
Portable electric energy measuring device Download PDFInfo
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- CN210199174U CN210199174U CN201920764985.3U CN201920764985U CN210199174U CN 210199174 U CN210199174 U CN 210199174U CN 201920764985 U CN201920764985 U CN 201920764985U CN 210199174 U CN210199174 U CN 210199174U
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- energy meter
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Abstract
The utility model discloses a portable electric energy measuring device, which is applied in the field of electric energy meters and solves the technical problem that the normal use is influenced by the mutual winding of wires on the electric energy meter, the technical proposal is characterized in that the portable electric energy measuring device comprises an electric energy meter and a current transformer connected on the electric energy meter, the wires are arranged between the electric energy meter and the current transformer, a winding box is arranged on the wires, a rotating shaft is connected in the winding box in a rotating way, the middle position of the wires is fixed on the rotating shaft, and the two ends of the rotating shaft extend out of the winding box and are provided with a holding part; the wire coiling box has the technical effect that when the wire coiling box is not detected, the wire is contained in the wire coiling box, so that the wire is prevented from being overlong and intertwined.
Description
Technical Field
The utility model relates to an electric energy meter field, more specifically say, it relates to a portable electric energy measuring device.
Background
Along with the development of economy, the dependence of various fields of national economy on electric power energy is continuously improved, in order to measure the quantity of power consumption and effectively manage the power utilization site,
the electric energy meter is produced at the same time.
At present, chinese patent No. CN201378184Y discloses a three-phase four-wire system high-voltage electric energy meter, which includes a voltage transformer unit, a current transformer unit, and a three-phase four-wire system low-voltage electric energy meter, wherein one end of the voltage transformer unit is connected to a high-voltage bus, the other end is connected to the ground, the current transformer unit is connected in series to the high-voltage bus, and the input end of the three-phase four-wire system low-voltage electric energy meter is connected to the output ends of the voltage transformer unit and the current transformer unit.
The three-phase four-wire high-voltage electric energy meter detects current in a circuit by arranging the current transformer, and the current transformer is connected with the electric energy meter through a lead. However, in the actual use process, the wires are bent back and forth, so that the wires are easy to break, and the wires are long, so that different wires are wound together, and a long time is needed for arrangement every time the wires are used. Therefore, it is necessary to design a power detection device that is convenient to operate.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a portable electric energy measuring device, its advantage is, when not examining, the wire is accomodate in the spiral case to prevent wire overlength and intertwine.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a portable electric energy measuring device, includes the electric energy meter, connects the current transformer on the electric energy meter, the electric energy meter with be equipped with the wire between the current transformer, be equipped with the spiral box on the wire, the spiral box internal rotation is connected with the pivot, the intermediate position of wire is fixed in the pivot, extend at the both ends of pivot the spiral box is equipped with the portion of gripping.
Through above-mentioned technical scheme, current transformer is arranged in measuring the size of the electric current in the circuit, and the electric energy meter is used for showing the electric current size. When the current transformer is not used, the wire is stored in the winding box at the moment, so that the wire and the wire are prevented from being wound. When the wire is pulled, the wire and the rotating shaft synchronously rotate at the moment, so that the wire is released from the winding box, after the measurement is finished, the rotating shaft is rotated, the wire can be stored in the winding box, and the effect of preventing the wire from being wound together due to overlong is always achieved.
The utility model discloses further set up to: the winding box is characterized in that thin shafts are inserted into two ends of the rotating shaft in the diameter direction of the rotating shaft, the thin shafts are fixed on the holding portion, a limiting hole is formed in one end, far away from the thin shafts, of the holding portion, a protruding block matched with the limiting hole is arranged on the side wall of the winding box, and the protruding block is in interference fit with the limiting hole.
Through above-mentioned technical scheme, the portion of gripping can rotate, when the portion of gripping and pivot were on same straight line, rotated the portion of gripping this moment, the portion of gripping and pivot synchronous revolution. The side of the winding box is provided with a convex block, when the holding part rotates to coincide with the axis of the rotating shaft, the convex block is inserted on the convex block in an interference manner, so that the rotation of the holding part is limited, and the shaft is locked.
The utility model discloses further set up to: the back of the electric energy meter is provided with a plurality of convex columns for hanging the current transformer.
Through above-mentioned technical scheme, when current transformer did not use, current transformer hung on the projection to make the wire can not receive current transformer and pull and break off. And simultaneously, the mutual winding of the wires caused by the mutual crossing of the current transformers is prevented.
The utility model discloses further set up to: the electric energy meter is provided with an elastic band for preventing the current transformer from separating from the convex column, one end of the elastic band is fixed on the shell of the electric energy meter, and the other end of the elastic band is detachably connected on the shell of the electric energy meter.
Through above-mentioned technical scheme, the elastic cord is used for pressing from both sides the current transformer tight in the back of electric energy meter, and the projection is used for restricting the current transformer and removes along the back of electric energy meter to retrain the current transformer on the electric energy meter completely. One end of the elastic band is detachable, so that the current transformer can be conveniently taken down.
The utility model discloses further set up to: the electric energy meter is provided with a plurality of wiring terminals, one end of each wire is arranged on each wiring terminal, a cover plate is arranged at one end of each wiring terminal on the electric energy meter, and semicircular wire through holes in one-to-one correspondence are formed in the cover plates of the electric energy meter.
Through above-mentioned technical scheme, the apron is used for protecting binding post, prevents simultaneously that personnel from touching binding post, especially at the measuring in-process, and then prevents that personnel from electrocuteeing. The through hole is used for a lead to penetrate out.
The utility model discloses further set up to: and the wiring terminal is connected with a plurality of wiring clamps which are respectively used for grounding, zero connection and voltage measurement.
Through the technical scheme, when the wiring clamp is grounded, when a person touches a measured electric wire, the person is prevented from getting an electric shock; when the wiring clamp is connected with a zero line and a live line, civil voltage is measured, and when the wiring clamp is connected with two live lines, industrial electricity is measured. Therefore, the safety performance can be improved, and the voltage in the measuring circuit can be increased.
The utility model discloses further set up to: and a rubber layer is arranged at one end of the wire, which is close to the through wire hole, and an annular groove matched with the side wall of the through wire hole is formed in the rubber layer.
Through above-mentioned technical scheme, lead to the line hole joint in the annular to make not atress between wire and the binding post, prevent to break away from each other between wire and the binding post.
The utility model discloses further set up to: the number of the elastic bands is two, and the number of the convex columns is two.
Through above-mentioned technical scheme, projection and elastic cord cooperation are fixed the binding clip at the back of electric energy meter, play the effect of accomodating to the binding clip, prevent that the binding clip from intertwining.
The utility model discloses further set up to: the upper surface of the electric energy meter is provided with a v-21274h-shaped gripper.
Through above-mentioned technical scheme, current transformer and wiring pincers are all fixed on the electric energy meter, mention all wiring pincers and current transformer simultaneously with the electric energy meter through the tongs to portable.
To sum up, the utility model discloses following beneficial effect has:
1. the current transformer and the wiring clamp can be restrained, and the wires are accommodated in the winding box, so that the wires are prevented from being wound;
2. the arrangement of the cover plate and the grounding wiring clamp prevents workers from getting an electric shock.
Drawings
Fig. 1 is a schematic plan view of the present embodiment.
Fig. 2 is a schematic structural diagram of a three-dimensional solid of the present embodiment.
Fig. 3 is a schematic structural view of the wire winding box of the present embodiment.
Fig. 4 is a schematic structural diagram of the back side of the electric energy meter of the present embodiment.
Fig. 5 is a schematic structural view of the connection terminal of the present embodiment.
Fig. 6 is an enlarged view of a in fig. 5.
Reference numerals: 1. an electric energy meter; 11. a wiring terminal; 12. a cover plate; 13. a through hole; 14. a convex column; 15. elastic bands; 16. hooking; 17. connecting holes; 18. a gripper; 2. a current transformer; 3. a jointing clamp; 4. a wire; 5. a wire winding box; 51. a rotating shaft; 52. a thin shaft; 53. a grip portion; 54. a bump; 55. a limiting hole; 56. a rubber layer; 57. and a ring groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): referring to fig. 1, a portable electric energy measuring device includes an electric energy meter 1, three current transformers 2 connected to the electric energy meter 1, and five wiring clamps 3, wherein a wire 4 is arranged between the wiring clamps 3, the current transformers 2, and the electric energy meter 1, and the wire 4 electrically connects the wiring clamps 3 and the current transformers 2 to the electric energy meter 1. Five wiring pincers 3 connect the earth respectively, connect zero line, three and connect the live wire, and wiring pincers 3 are arranged in measuring the voltage in the circuit, and current transformer 2 is used for measuring current, and current transformer 2 chooses for use open type current transformer 2. The electric energy meter 1 is used for displaying specific values of voltage or current.
Referring to fig. 2 and 3, a circular winding box 5 is disposed on the wire 4, the winding box 5 is rotatably connected to a rotating shaft 51 in an axial direction, a middle position of the wire 4 is fixed on the rotating shaft 51, the wire 4 is wound on the rotating shaft 51 by rotating the rotating shaft 51, and both ends of the wire 4 pass through the winding box 5. When the current transformer 2 is not used, the wire 4 is wound in the winding box 5, so that the wire 4 and the wire 4 are prevented from being wound with each other to influence normal use. The winding box 5 is extended from both ends of the rotary shaft 51 and provided with a holding part 53, a thin shaft 52 is provided on the rotary shaft 51 along the diameter direction of the rotary shaft 51, and the holding part 53 is rotatably connected to the thin shaft 52. When the wires 4 need to be stored, the holding part 53 is rotated, so that the holding part 53 and the rotating shaft 51 are on the same straight line, and after the wires 4 are stored, the holding part 53 is rotated, so that the holding part 53 and the rotating shaft 51 are perpendicular, and the space volume occupied by the holding part 53 is reduced.
Referring to fig. 2 and 3, a protrusion 54 is disposed on the winding box 5 along a diameter direction of the winding box 5, a limiting hole 55 is disposed on the holding portion 53 and is engaged with the protrusion 54, and when the limiting hole 55 is in interference fit with the holding portion 53, the rotating shaft 51 cannot rotate, thereby locking the rotating shaft 51.
Referring to fig. 4, the back of the electric energy meter 1 is provided with a plurality of eight convex columns 14, the eight convex columns 14 are divided into two rows, one row is three, and one row is five, the upper row is used for placing the current transformer 2, and the lower row is used for placing the wiring clamp 3. The current transformer 2 is sleeved on the convex column 14, the electric energy meter 1 is provided with two elastic bands 15, one ends of the elastic bands 15 are fixed on the shell of the electric energy meter 1, the other ends of the elastic bands 15 are detachably connected on the electric energy meter 1, and the elastic bands 15 prevent the wiring clamp 3 and the current transformer 2 from being separated from the electric energy meter 1. A hook 16 is arranged on the side surface of the electric energy meter 1, and a connecting hole 17 matched with the hook 16 is arranged at one end of the elastic band 15 close to the hook 16. When the electric energy meter 1 is not in use, the wiring clamp 3 and the current transformer 2 are fixed on the back of the electric energy meter 1, and the current transformer 2 and the wiring clamp 3 are accommodated.
Referring to fig. 5 and 6, a plurality of shorting terminals 11 are disposed at the lower end of the electric energy meter 1, one end of the wire 4 is connected to the shorting terminal 11, a cover plate 12 is disposed on the terminals, the cover plate 12 is detachably connected to the electric energy meter 1 through screws, and the cover plate 12 is used for preventing a worker from touching the shorting terminal 11 and getting an electric shock. The cover plate 12 and the housing of the electric energy meter 1 and the cover plate 12 are provided with semicircular through hole 13, and the two through holes 13 are spliced into a circular through hole 13. The lead wire 4 penetrates out of the through hole 13, a rubber layer 56 is arranged on the lead wire 4 at the through hole 13, an annular groove 57 is arranged on the rubber layer 56, the side wall of the through hole 13 is fixed in the annular groove 57, and when the lead wire 4 is subjected to tensile force, the stress point is positioned on the rubber layer 56, so that the lead wire 4 is prevented from being separated from the wiring terminal 11.
Referring to fig. 4, a v-shaped 21274is provided on the upper surface of the electric energy meter 1, a v-shaped gripper 18, 21274is provided, and the v-shaped gripper 18 facilitates lifting the electric energy meter 1, thereby facilitating moving the electric energy meter 1 at a detection site.
The action process is as follows: when measuring the voltage, firstly, the jointing clamp is contacted with the ground, and then the voltage between two electric wires is measured on the corresponding electric wire of the street of the jointing clamp 3; when measuring the current, the current transformer 2 is sleeved on the electric wire, the current in the electric wire is measured, and finally the data is displayed on the electric energy meter 1.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a portable electric energy measuring device, includes electric energy meter (1), connects current transformer (2) on electric energy meter (1), electric energy meter (1) with be equipped with wire (4) between current transformer (2), its characterized in that, be equipped with spiral box (5) on wire (4), spiral box (5) internal rotation is connected with pivot (51), the intermediate position of wire (4) is fixed on pivot (51), extend at the both ends of pivot (51) spiral box (5) and be equipped with portion of gripping (53).
2. The portable electric energy measuring device according to claim 1, wherein a thin shaft (52) is inserted into two ends of the rotating shaft (51) along a diameter direction of the rotating shaft (51), the thin shaft (52) is fixed on the holding portion (53), a limiting hole (55) is formed in one end of the holding portion (53) far away from the thin shaft (52), a protruding block (54) matched with the limiting hole (55) is arranged on a side wall of the winding box (5), and the protruding block (54) is in interference fit with the limiting hole (55).
3. The portable electric energy measuring device according to claim 2, wherein the back of the electric energy meter (1) is provided with a plurality of convex columns (14) for hanging the current transformer (2).
4. The portable electric energy measuring device according to claim 3, wherein the electric energy meter (1) is provided with an elastic band (15) for preventing the current transformer (2) from being separated from the convex column (14), one end of the elastic band (15) is fixed on the housing of the electric energy meter (1), and the other end of the elastic band is detachably connected to the housing of the electric energy meter (1).
5. The portable electric energy measuring device according to claim 1, wherein a plurality of wiring terminals (11) are provided on the electric energy meter (1), one end of the wire (4) is provided on the wiring terminals (11), a cover plate (12) is provided on one end of the electric energy meter (1) located on the wiring terminals (11), and semicircular through-wire holes (13) are provided on the electric energy meter (1) and the cover plate (12) in a one-to-one correspondence.
6. The portable electric energy measuring device according to claim 5, wherein a plurality of terminal clamps (3) for grounding, zero connection and voltage measurement are connected to the terminal block (11).
7. The portable electric energy measuring device as recited in claim 6, wherein a rubber layer (56) is disposed on one end of the conducting wire (4) close to the through hole (13), and a ring groove (57) engaged with a side wall of the through hole (13) is disposed on the rubber layer (56).
8. Portable electrical energy measuring device according to claim 4, characterized in that said elastic band (15) is provided in two rows, said studs (14) being in total two rows.
9. The portable power measurement device of claim 1, wherein the upper surface of the power meter (1) is provided with a v-21274h-shaped grip (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764985.3U CN210199174U (en) | 2019-05-25 | 2019-05-25 | Portable electric energy measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920764985.3U CN210199174U (en) | 2019-05-25 | 2019-05-25 | Portable electric energy measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210199174U true CN210199174U (en) | 2020-03-27 |
Family
ID=69876128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920764985.3U Active CN210199174U (en) | 2019-05-25 | 2019-05-25 | Portable electric energy measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210199174U (en) |
-
2019
- 2019-05-25 CN CN201920764985.3U patent/CN210199174U/en active Active
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