CN220961633U - Low-voltage movable wiring-free metering box - Google Patents
Low-voltage movable wiring-free metering box Download PDFInfo
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- CN220961633U CN220961633U CN202323041825.1U CN202323041825U CN220961633U CN 220961633 U CN220961633 U CN 220961633U CN 202323041825 U CN202323041825 U CN 202323041825U CN 220961633 U CN220961633 U CN 220961633U
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- 239000011521 glass Substances 0.000 claims abstract description 29
- 239000004568 cement Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000000737 periodic effect Effects 0.000 abstract description 6
- 239000005341 toughened glass Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model discloses a low-voltage movable wiring-free metering box, which comprises a metering box body, wherein the metering box body comprises an inner cavity, a left side, a right side, a front side and a rear side; the mutual inductance mechanism comprises a current transformer and a tube positioning mechanism; the current transformer comprises a magnetic core hole; the pipe positioning mechanism comprises a front hole, a rear hole and a cable pipe for penetrating the cable. When the movable metering box is used for monitoring cables with different thicknesses, the sealing rings with different inner diameters are prevented from being matched with the cables, and when the matched part of the cables and the cable pipe is sealed by adopting glass cement, a smooth structure without grinding is adopted, so that the movable metering box is convenient to detach through a tool after one period of use, the using steps of the glass cement are reduced, the structural complexity is reduced, the periodic detachment is facilitated, the damage to the cables caused by the detaching tool is avoided, and the movable metering box can be well adapted to the movable use of one period of the metering box.
Description
Technical Field
The utility model relates to the technical field of metering boxes, in particular to a low-voltage movable wiring-free metering box.
Background
The metering box is a current metering device and is different from an electric energy meter in that the electric energy meter mainly measures the power integral of a circuit in unit time and is commonly used for household electric meters and industrial electric metering equipment.
The measuring box can support various measurement modes, including common electricity consumption parameters such as current, voltage, resistance, inductance, capacitance, power and the like, and is commonly used in the fields of laboratories, automatic production lines, energy management, environmental protection monitoring and the like.
Correspondingly, the movable wiring-free metering box is characterized in that a current transformer is adopted and arranged on a movable box body, when measurement is carried out, a cable to be measured can directly pass through a measuring channel of the current transformer to normally use electricity, and the cable is not required to be wired on the metering box, so that electricity consumption parameters of the cable can be measured through the current transformer.
In the prior art, after the cable passes through the box body and passes through the measuring channel of the current transformer arranged in the box body, because the monitoring needs to last a week or even longer, the monitoring position is as high as a distribution box, and the monitoring position is likely to occur outdoors, so that the cable and the box body are sealed at the incoming line position and the outgoing line position so as to be convenient for waterproof, dustproof and insect-proof.
See the patent of the utility model with the issued publication number 201020284343.2, a 'film-added toughened glass perspective window metering box' is disclosed, toughened glass is arranged on a metering box body through glass cement, and the toughened glass is sealed, although a glass cement structure is adopted, the sealing of the 'glass' is carried out through the 'glass cement', and the film-added toughened glass perspective window metering box belongs to common implementation modes in the industry, so that the film-added toughened glass perspective window metering box does not have the technical effect with little intention and obvious progress in terms of the sealing mode.
Moreover, in the prior art, as in reference 1, it is known by those skilled in the art that after sealing the tempered glass by "glass cement", the glass in contact with the tempered glass is ground smooth, so that when a user sees through the glass, the sealing position of the edge has a smooth and attractive effect, and in special use cases, a ground smooth structure is not adopted, and whether a better use effect can be achieved or not is not achieved, or is a part which is not considered by someone in the field of measurement of electrical parameters.
Therefore, when the movable metering box is used for monitoring cables with different thicknesses, how to avoid the need of matching sealing rings with different inner diameters with the cables, and reduce the structural complexity, so that the movable metering box is beneficial to periodic disassembly and damage prevention of the cables, and the technical problem to be solved by the utility model is solved.
Disclosure of utility model
The utility model aims at solving the technical problems in the prior art, and provides a low-voltage movable wiring-free metering box, so as to solve the technical problems that when the movable metering box provided in the background art monitors cables with different thicknesses, sealing rings with different inner diameters are matched with the movable metering box, and the structure is complex, so that the periodic disassembly is not facilitated.
In order to solve the technical problems, the utility model adopts the following technical scheme: a low-voltage movable wiring-free metering box comprises a metering box body, wherein the metering box body comprises an inner cavity, a left side, a right side, a front side and a rear side,
The low-voltage movable wiring-free metering box also comprises a connecting rod and a mutual inductance mechanism;
the connecting rod is positioned in the inner cavity, one end of the connecting rod is fixedly connected with the left side of the metering box body, and the other end of the connecting rod is fixedly connected with the right side of the metering box body;
the connecting rod is provided with at least one mutual inductance mechanism;
The mutual inductance mechanism comprises a current transformer and a tube positioning mechanism;
the current transformer is fixedly connected to the connecting rod;
The current transformer comprises a magnetic core hole;
The tube positioning mechanism comprises a front side hole, a rear side hole and a cable tube for penetrating the cable;
the front side of the metering box body is provided with a front side hole matched with the magnetic core hole, and the rear side of the metering box body is provided with a rear side hole matched with the magnetic core hole;
The cable tube is respectively matched with the front side hole, the magnetic core and the rear side hole; one end of the cable pipe sequentially passes through the front side hole, the magnetic core hole and the rear side hole to enable the cable pipe to be clamped on the metering box body through the front side hole and the rear side hole;
One end of the cable passes through the cable tube, so that the cable comprises a part positioned in the cable tube, the part positioned in the cable tube comprises a part close to the opening at one end of the cable tube and a part close to the opening at the other end of the cable tube, and the part between the cable and the cable tube and close to the opening at one end of the cable tube and the part close to the opening at the other end of the cable tube are respectively connected through glass cement in a sealing way.
As a further scheme of the utility model, the low-voltage movable wiring-free metering box further comprises a trapezoid pipe with a trapezoid shaft section, wherein the trapezoid pipe comprises a trapezoid small bottom end, and the trapezoid pipe is fixedly connected with one end of the cable pipe through the trapezoid small bottom end.
As a further scheme of the utility model, the trapezoid pipe and the cable pipe are of an integrated structure.
As a further scheme of the utility model, the number of the mutual inductance mechanisms is 3, and the number of the tube positioning mechanisms is 2.
Compared with the prior art, the utility model has the beneficial effects that: when the movable metering box monitors cables with different thicknesses, sealing rings with different inner diameters are prevented from being matched with the movable metering box, and when the matched part of the cable and a cable pipe is sealed by glass cement, a smooth structure without grinding is adopted, so that the movable metering box is convenient to detach through a tool after one period of use, the using step of glass cement is reduced, the structural complexity is reduced, periodic detachment is facilitated, damage to the cable caused by a detaching tool is avoided, and the movable metering box can be well adapted to the movable use of one period of the metering box.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic side view of fig. 1.
Fig. 3 is a schematic diagram of the position structure of the front hole on the front face of the metering box body.
Fig. 4 is a schematic view of the position structure of the front hole on the back of the metering box body.
Fig. 5 is a schematic view of the structure of the inside of fig. 1.
Fig. 6 is a schematic structural view of the cable tube.
Fig. 7 is a schematic end structure of fig. 6.
Fig. 8 is a schematic view of the construction of the trapezoidal tube and the mating of the cable and glass cement in section A-A of fig. 7.
Reference numerals and names in the drawings are as follows:
The measuring box comprises a measuring box body 1, an inner cavity 2, a transparent glass window 3, a connecting rod 4, a current transformer 5, a magnetic core 6, a cable 7, a cable pipe 8, a trapezoid pipe 9, glass cement 10, a front side hole 11 and a rear side hole 12.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-8, in an embodiment of the present utility model, a low-voltage mobile wiring-free metering box includes a metering box body 1, where the metering box body 1 includes an inner cavity 2, a left side, a right side, a front side and a rear side, and in an extended embodiment, a transparent glass window 3 may be disposed on a front surface of the metering box body 1, which belongs to an extended embodiment known to those skilled in the art;
the low-voltage movable wiring-free metering box also comprises a connecting rod 4 and a mutual inductance mechanism; the connecting rod 4 is positioned in the inner cavity 2, one end of the connecting rod 4 is fixedly connected with the left side of the metering box body 1, and the other end of the connecting rod 4 is fixedly connected with the right side of the metering box body 1; the connecting rod 4 may be connected to the left side and the right side of the metering box body 1 at a plurality of positions with different heights, so as to be connected to different positions according to the needs, and in a preferred embodiment, the axis of the connecting rod 4 is parallel to the horizontal line;
The connecting rod 4 is provided with at least one mutual inductance mechanism; as depicted in the drawings, preferably 3; the mutual inductance mechanism comprises a current transformer 5 and a tube positioning mechanism; the current transformer 5 can be fixedly connected to the connecting rod 4 by means of bolt fixing or clamping connection and the like, and belongs to an extension implementation mode known to one of ordinary skill in the art;
The current transformer 5 comprises a magnetic core hole 6; the tube positioning mechanism comprises a front side hole 11, a rear side hole 12 and a cable tube 8 for penetrating the cable 7; the front side of the metering box body 1 is provided with a front side hole 11 matched with the magnetic core hole 6, and the rear side of the metering box body 1 is provided with a rear side hole 12 matched with the magnetic core hole 6; the cable tube 8 is respectively matched with the front side hole 11, the magnetic core 6 and the rear side hole 12; one end of the cable tube 8 sequentially passes through the front side hole 11, the magnetic core hole 6 and the rear side hole 12 to enable the cable tube 8 to be clamped on the metering box body 1 through the front side hole 11 and the rear side hole 12, wherein the matching of the cable tube 8 and the front side hole 11 and the rear side hole 12 should have a certain compactness, and in an expanding embodiment, sealing rings can be respectively arranged at the positions of the front side hole 11 and the rear side hole 12 on the metering box body 1 so that the outer side surface of the cable tube 8 has a better outer sealing effect when being matched with the metering box body 1, and the cable tube 8 belongs to expanding embodiments known by a person of ordinary skill in the art.
Further, one end of the cable 7 passes through the cable tube 8, so that the cable 7 comprises a part located in the cable tube 8, the part of the cable 7 located in the cable tube 8 comprises a part close to the opening at one end of the cable tube 8 and a part close to the opening at the other end, and the part between the cable 7 and the cable tube 8 and close to the opening at one end of the cable tube 8 and the part close to the opening at the other end are respectively connected in a sealing manner through glass cement 10.
And, this portable wiring batch meter exempts from of low pressure still includes trapezoidal pipe 9 that the axle cross-section is trapezoidal, and trapezoidal pipe 9 contains trapezoidal little bottom, and trapezoidal pipe 9 passes through the little bottom of trapezoidal and the one end fixed connection of cable pipe 8.
The trapezoid pipe 9 and the cable pipe 8 are of an integrated structure, the number of the mutual inductance mechanisms is 3, and the number of the pipe positioning mechanisms is 2.
Example 1:
In the fields of laboratories, automatic production lines, energy management, environmental protection monitoring and the like, when various parameters of electricity consumption need to be measured through the metering box in one period, the low-voltage movable wiring-free metering box can be adopted, specifically, the electricity consumption cable 7 can pass through the cable pipe 8 and then be wired, and the electricity consumption parameters of the cable 7 can be measured through the current transformer 5 without connecting wires on the metering box.
And, just be close to cable pipe 8 one end open-ended part and the open-ended part of the other end between cable 7 and the cable pipe 8 respectively through glass cement 10 sealing connection, avoid to the cable 7 of different thickness need look for the condition of the sealing washer of different specifications and cooperation with it, make it can seal the cable 7 of different thickness through beating the glass cement 10 that use cost is lower relatively in the cable 7 circumferencial direction in cable pipe 8, the commonality is stronger.
After the cable 7 and the cable tube 8 are sealed by the glass cement 10, the glass cement 10 basically does not have a plane after being solidified in the cable tube 8 due to the fluidity of the glass cement 10, so that when the glass cement 10 needs to be disassembled after one period of use, a user cannot easily slip when the user is required to stamp the position A and/or the position B shown in fig. 8 by using a screwdriver, the cable 7 is conveniently and effectively prevented from being stamped and disassembled, periodic disassembly is facilitated, the cable 7 is conveniently and prevented from being damaged, when the screwdriver is used as an auxiliary tool, the screwdriver can be hammered by a hammer to enable the screwdriver to have larger disassembly force, and the liquid which is favorable for removing the glass cement 10 can be sprayed to the glass cement 10 by using tools such as a spray can be avoided, so that the damage to the cable caused by the disassembly tool or the glass cement is not easy to clean is avoided, and the extension implementation method which is known to a person of ordinary skill in the art is also provided.
And when adopting the trapezoidal pipe 9 structure, can help making cable 7 easily visit through cable pipe 8 through having the trapezoidal pipe 9 of bigger diameter on the one hand, on the other hand the user can pass cable pipe 8 in proper order through preceding side hole 11, magnetic core hole 6 and trailing side hole 12 through holding trapezoidal pipe 9, reaches the result of use that does benefit to handheld installation.
When the movable metering box is used for monitoring cables 7 with different thicknesses, sealing rings with different inner diameters are prevented from being matched with the movable metering box, when the glass cement 10 is used for sealing the matched part of the cable 7 and the cable pipe 8, a smooth structure without grinding is adopted, so that the movable metering box is convenient to detach through a tool after one period of use, the using steps of the glass cement 10 are reduced, the complexity of the structure is reduced, the periodic detachment is facilitated, the damage to the cable 7 caused by the detaching tool is avoided, and the movable metering box can be well adapted to the movable use of one period of the metering box
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (4)
1. The low-voltage movable wiring-free metering box comprises a metering box body, wherein the metering box body comprises an inner cavity, a left side, a right side, a front side and a rear side,
The low-voltage movable wiring-free metering box also comprises a connecting rod and a mutual inductance mechanism;
the connecting rod is positioned in the inner cavity, one end of the connecting rod is fixedly connected with the left side of the metering box body, and the other end of the connecting rod is fixedly connected with the right side of the metering box body;
the connecting rod is provided with at least one mutual inductance mechanism;
The mutual inductance mechanism comprises a current transformer and a tube positioning mechanism;
the current transformer is fixedly connected to the connecting rod;
The current transformer comprises a magnetic core hole;
The tube positioning mechanism comprises a front side hole, a rear side hole and a cable tube for penetrating the cable;
the front side of the metering box body is provided with a front side hole matched with the magnetic core hole, and the rear side of the metering box body is provided with a rear side hole matched with the magnetic core hole;
The cable tube is respectively matched with the front side hole, the magnetic core and the rear side hole; one end of the cable pipe sequentially passes through the front side hole, the magnetic core hole and the rear side hole to enable the cable pipe to be clamped on the metering box body through the front side hole and the rear side hole;
One end of the cable passes through the cable tube, so that the cable comprises a part positioned in the cable tube, the part positioned in the cable tube comprises a part close to the opening at one end of the cable tube and a part close to the opening at the other end of the cable tube, and the part between the cable and the cable tube and close to the opening at one end of the cable tube and the part close to the opening at the other end of the cable tube are respectively connected through glass cement in a sealing way.
2. The low-voltage mobile wiring-free metering box of claim 1, further comprising a trapezoid pipe with a trapezoid shaft section, wherein the trapezoid pipe comprises a trapezoid small bottom end, and the trapezoid pipe is fixedly connected with one end of the cable pipe through the trapezoid small bottom end.
3. The low voltage mobile no-wire metering box of claim 1, wherein the trapezoidal tube and the cable tube are of unitary construction.
4. The low voltage mobile no-wire batch meter of claim 1 wherein the number of mutual inductance mechanisms is 3 and the number of tube positioning mechanisms is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323041825.1U CN220961633U (en) | 2023-11-10 | 2023-11-10 | Low-voltage movable wiring-free metering box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323041825.1U CN220961633U (en) | 2023-11-10 | 2023-11-10 | Low-voltage movable wiring-free metering box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220961633U true CN220961633U (en) | 2024-05-14 |
Family
ID=91013511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323041825.1U Active CN220961633U (en) | 2023-11-10 | 2023-11-10 | Low-voltage movable wiring-free metering box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220961633U (en) |
-
2023
- 2023-11-10 CN CN202323041825.1U patent/CN220961633U/en active Active
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