CN213581091U - Power consumption monitoring devices in drawer cabinet - Google Patents
Power consumption monitoring devices in drawer cabinet Download PDFInfo
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- CN213581091U CN213581091U CN202022406465.0U CN202022406465U CN213581091U CN 213581091 U CN213581091 U CN 213581091U CN 202022406465 U CN202022406465 U CN 202022406465U CN 213581091 U CN213581091 U CN 213581091U
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- energy meter
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 230000005611 electricity Effects 0.000 claims abstract description 7
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 241000463219 Epitheca Species 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims 4
- 239000004020 conductor Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses an electricity consumption monitoring devices in drawer cabinet, including the cabinet body, the internal a plurality of cables conductor of connecting consumer that are provided with of cabinet. The electric energy meter and the puncture type metering device are arranged corresponding to the cable and sleeved outside the corresponding cable, the puncture type metering device comprises a current mutual inductance unit and a voltage puncture unit which are fixedly connected, a threading hole for the cable to pass through is formed in the current mutual inductance unit, the voltage puncture unit is arranged on one side of the current mutual inductance unit and comprises a puncture needle capable of puncturing the insulating skin of the cable under the driving of a puncture assembly, and a temperature sensor capable of detecting the temperature of the cable is further arranged on the voltage puncture unit; the electric energy meter is fixed in the cabinet body and is in through connection with the puncture type metering device through a wire harness. The wiring is few, easy installation, and factor of safety is high.
Description
Technical Field
The utility model relates to an electric power monitoring technology field especially relates to an electricity consumption monitoring devices in drawer cabinet.
Background
The drawer cabinet is a switch cabinet which installs electrical elements of an incoming and outgoing line loop in an extractable drawer, has high reliability, safety and interchangeability, is widely applied to occasions such as industrial and mining enterprises and high-rise buildings and serves as a centralized control power distribution center. Be provided with in the drawer cabinet and carry out electric monitoring devices to the electric quantity, when present scene is reformed transform equipment monitoring instrument, electric energy meter generally all installs in the drawer cabinet, needs the power failure operation, can bring a plurality of inconveniences for customer's production, official working, also can influence normal transformation progress for the cooperation has a power failure construction.
The transformation site is a lot of factories which produce dirt and are used for producing sewage, such as chemical plants, pharmaceutical plants, steel plants, breeding plants and the like with severe conditions, most power distribution rooms are not provided with cooling equipment such as air conditioners, constructors work hard in high-temperature seasons, secondary wiring of the transformation site of the electric energy meter is complicated, the workload is very large, the working strength of the constructors is greatly increased, the project period is delayed, and a series of burdens such as work-adding wages and personnel adjustment are brought to enterprises. Electric energy meter communication wiring node is many, and the distance of walking the line between node and the serial ports server is long, generally walks cable ditch or crane span structure, and the construction degree of difficulty is big, and factor of safety is also not high, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide an electricity consumption monitoring device in a drawer cabinet, which has less wiring, easy installation and high safety factor.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides an electricity consumption monitoring devices in drawer cabinet, includes the cabinet body, the internal a plurality of cables conductor of connecting consumer, its characterized in that are provided with of cabinet: the puncture type metering device is arranged corresponding to the cable and sleeved outside the corresponding cable, the puncture type metering device comprises a current mutual inductance unit and a voltage puncture unit which are fixedly connected, a threading hole for the cable to pass through is formed in the current mutual inductance unit, the voltage puncture unit is arranged on one side of the current mutual inductance unit and comprises a puncture needle capable of puncturing the cable insulation skin under the driving of a puncture assembly, and a temperature sensor capable of detecting the temperature of the cable is further arranged on the voltage puncture unit; the electric energy meter is fixed in the cabinet body and is in through connection with the puncture type metering device through a wire harness.
The beneficial effects of the utility model reside in that: the direct cover of puncture formula metering device is established on electric cable, acquires sample current, sample voltage and temperature signal respectively through current transformer unit, voltage puncture unit and temperature sensor, saves a large amount of secondary line preparation and installation time, and to a great extent has improved on-the-spot transformation efficiency and reliability, improves the power consumption safety.
Further, the current transformer unit comprises an upper shell and a lower shell, wherein one end of the upper shell is hinged to the lower shell, the other end of the upper shell is provided with a clamping groove and a buckle which are matched with each other, the upper shell is connected with the lower shell in a clamped mode to form a threading hole, and iron cores are arranged in the upper shell and the lower shell. When epitheca and inferior valve were opened, be convenient for cup joint outside the cable conductor, fixed back, two iron cores form the closed loop, realize the detection of electric current.
Further, the voltage puncture unit comprises an L-shaped shell fixed on the lower shell, a guide channel perpendicular to the axis of the cable is arranged on the L-shaped shell, a first screw rod driven by a first locking nut to rotate is arranged in the guide channel, the first locking nut is arranged on the L-shaped shell and is rotatably connected with the L-shaped shell, and a clamping block capable of compressing the cable is fixedly connected with the first screw rod. First lock nut rotates, drives first screw rod and removes, and then drives and press from both sides tight cable conductor of tight piece clamp, realizes puncture formula metering device to the centre gripping of cable conductor.
Furthermore, the contact surface of the clamping block and the cable is an arc-shaped surface, and anti-skid stripes are arranged on the arc-shaped surface, so that the cable can be clamped conveniently.
The temperature sensor is arranged on the L-shaped shell, a groove for embedding the temperature sensor is formed in the L-shaped shell, the temperature sensor comprises a temperature measuring copper sheet penetrating through the L-shaped shell, the temperature measuring copper sheet can abut against the outer wall of an insulating sheath of the cable, and the temperature measuring copper sheet is arranged on one side, opposite to the clamping block, of the L-shaped shell.
Furthermore, the puncture assembly comprises a second screw rod in threaded connection with the L-shaped shell, the second screw rod and the first screw rod are arranged in parallel and can move towards the direction close to the clamping block under the action of the driving handle, and the puncture needle is fixed at one end of the second screw rod. When the cable core is clamped under the action of the clamping block, the second screw rod rotates, the second screw rod and the puncture needle move towards the cable together, the insulating sheath of the cable is punctured by rotation, and the operation is simple and quick.
Further, be provided with the 8 core terminal rows that supply the pencil to peg graft on the electric energy meter, still be provided with the loRa module in the electric energy meter, the loRa module is connected with the loRa rubber rod antenna that runs through electric energy meter. The LoRa rubber rod antenna is 470MHz, and transmission distance can reach 1km when spacious, can detect numerical value wireless transmission to communication gateway, need not the communication line.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is a schematic view of a three-dimensional structure of the puncture-type metering device in the embodiment of the present invention;
fig. 4 is a side view of the puncture-type meter according to the embodiment of the present invention.
In the figure:
the intelligent electric energy meter comprises a cabinet body 1, a cable 2, an electric energy meter 3, a LoRa module 31, a LoRa rubber rod antenna 32, a 4-puncture type metering device, a 41-current mutual inductance unit, a 411-threading hole 412, an upper shell 413, a lower shell 42, a voltage puncture unit 421, a puncture assembly 422, a puncture needle 423-L type shell 424, a guide channel 425, a first screw rod 426, a first locking nut 427, a clamping block 427, a 5-wire harness and a 43-temperature measurement copper sheet.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Examples
Referring to the attached drawings 1-4, the utility model discloses an electricity consumption monitoring device in drawer cabinet, including the cabinet body 1, be provided with a plurality of cables 2 of connecting with the consumer in the cabinet body 1. Still include electric energy meter 3 and puncture formula metering device 4, puncture formula metering device 4 corresponds the setting with cable conductor 2 and overlaps and establish outside corresponding cable conductor 2. The puncture type metering device comprises a current mutual inductance unit 41 and a voltage puncture unit 42 which are fixedly connected, wherein a threading hole 411 for the cable 2 to pass through is formed in the current mutual inductance unit 41, the voltage puncture unit 42 is arranged on one side of the current mutual inductance unit 41 and comprises a puncture needle 422 capable of puncturing the insulation skin of the cable 2 under the driving of a puncture component 421, and a temperature sensor capable of detecting the temperature of the cable 2 is further arranged on the voltage puncture unit 42. The electric energy meter 3 is fixed in the cabinet body 1 and is in communication connection with the puncture type metering device 4 through a wire harness 5.
The puncture type metering device 4 is directly sleeved on the electric cable, and the sampling current, the sampling voltage and the temperature signal are respectively obtained through the current mutual inductance unit 41, the voltage puncture unit 42 and the temperature sensor, so that a large amount of time for manufacturing and installing secondary wires is saved, the on-site transformation efficiency and reliability are greatly improved, and the electricity utilization safety is improved.
The current transformer unit 41 comprises an upper shell 412 and a lower shell 413 which are hinged at one end, the other ends of the upper shell 412 and the lower shell 413 are respectively provided with a clamping groove and a buckle which are matched with each other, a threading hole 411 is formed after the upper shell 412 and the lower shell 413 are clamped, and iron cores are arranged in the upper shell 412 and the lower shell 413. When the upper shell 412 and the lower shell 413 are opened, the cable 2 is conveniently sleeved with the upper shell and the lower shell, and after the cable 2 is fixed, the two iron cores form a closed loop to realize current detection.
The voltage puncture unit 42 comprises an L-shaped shell 423 fixed on the lower shell 413, a guide channel 424 arranged perpendicular to the axis of the cable 2 is arranged on the L-shaped shell 423, a first screw 425 driven by a first locking nut 426 to rotate is arranged in the guide channel 424, the first locking nut 426 is arranged on the L-shaped shell 423 and is rotationally connected with the L-shaped shell 423, and a clamping block 427 capable of compressing the cable 2 is fixedly connected with the first screw 425. The first locking nut 426 rotates to drive the first screw 425 to move, and further drive the clamping block 427 to clamp the cable 2, so as to clamp the cable 2 by the puncture type metering device 4. The contact surface of the clamping block 427 and the cable 2 is an arc-shaped surface, and the arc-shaped surface is provided with anti-skid stripes so as to be convenient for clamping the cable 2.
The puncture assembly 421 includes a second screw rod in threaded connection with the L-shaped housing 423, the second screw rod is arranged in parallel with the first screw rod 425 and can move towards the direction close to the clamping block 427 under the action of the driving handle, and the puncture needle is fixed at one end of the second screw rod. After the cable core is clamped by the clamping block 427, the second screw rod rotates, the second screw rod and the puncture needle 422 move towards the cable 2 together, the insulating sheath of the cable 2 is punctured by rotation, and the operation is simple and quick.
The temperature sensor is arranged on the L-shaped shell 423, a groove for embedding the temperature sensor is formed in the L-shaped shell 423, the temperature sensor comprises a temperature measuring copper sheet 43 penetrating through the L-shaped shell 423, the temperature measuring copper sheet 43 can abut against the outer wall of an insulating sheath of the cable 2, and the temperature measuring copper sheet 43 is arranged on one side, opposite to the clamping block 427, of the L-shaped shell 423.
Be provided with the 8 core terminal rows that supply pencil 5 to peg graft on the electric energy meter 3, still be provided with loRa module 31 in the electric energy meter 3, loRa module 31 is the module that the model of china's microelectronics is RFM95, and loRa module 31 is connected with the loRa rubber rod antenna 32 that runs through electric energy meter 3. LoRa rubber rod antenna 32 is 470MHz, and transmission distance can reach 1km when spacious, can detect numerical value wireless transmission to communication gateway, need not the communication line.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (7)
1. The utility model provides an electricity consumption monitoring devices in drawer cabinet, includes the cabinet body (1), be provided with a plurality of cables (2) of connecting consumer in the cabinet body (1), its characterized in that: the electric energy meter is characterized by further comprising an electric energy meter (3) and a puncture type metering device (4), the puncture type metering device (4) is correspondingly arranged with the cable (2) and sleeved outside the corresponding cable (2), the puncture type metering device (4) comprises a current mutual induction unit (41) and a voltage puncture unit (42) which are fixedly connected, a threading hole (411) for the cable to pass through is formed in the current mutual induction unit (41), the voltage puncture unit (42) is arranged on one side of the current mutual induction unit (41) and comprises a puncture needle (422) capable of puncturing the insulation skin of the cable (2) under the driving of a puncture component (421), and a temperature sensor capable of detecting the temperature of the cable (2) is further arranged on the voltage puncture unit (42); the electric energy meter (3) is fixed in the cabinet body (1) and is in communication connection with the puncture type metering device (4) through a wire harness (5).
2. The electrical monitoring device as claimed in claim 1, wherein: current mutual induction unit (41) include one end articulated epitheca (412) and inferior valve (413), the other end of epitheca (412) and inferior valve (413) is provided with draw-in groove and the buckle that matches each other respectively, form through wires hole (411) behind epitheca (412) and inferior valve (413) joint, all be provided with the iron core in epitheca (412) and inferior valve (413).
3. The electrical monitoring device as claimed in claim 2, wherein: the voltage puncture unit (42) comprises an L-shaped shell (423) fixed on a lower shell, a guide channel (424) perpendicular to the axis of the cable (2) is arranged on the L-shaped shell (423), a first screw (425) driven to rotate by a first locking nut (426) is arranged in the guide channel (424), the first locking nut (426) is arranged on the L-shaped shell (423) and is rotationally connected with the L-shaped shell (423), and a clamping block (427) capable of compressing the cable (2) is fixedly connected with the first screw (425).
4. The electrical monitoring device as claimed in claim 3, wherein: the contact surface of the clamping block (427) and the cable (2) is an arc-shaped surface, and anti-skid stripes are arranged on the arc-shaped surface.
5. The electrical monitoring device as claimed in claim 3, wherein: the temperature sensor is arranged on the L-shaped shell (423), the temperature sensor comprises a temperature measurement copper sheet (43) penetrating through the L-shaped shell (423), and the temperature measurement copper sheet (43) can abut against the outer wall of an insulating skin of the cable (2).
6. The electrical monitoring device as claimed in claim 3, wherein: the puncture assembly (421) comprises a second screw rod in threaded connection with the L-shaped shell, the second screw rod and the first screw rod are arranged in parallel and can move towards the direction close to the clamping block under the action of the driving handle, and the puncture needle (422) is fixed at one end of the second screw rod.
7. The electrical monitoring device as claimed in claim 1, wherein: be provided with the 8 core terminal rows that supply the pencil to peg graft on electric energy meter (3), still be provided with loRa module (31) in electric energy meter (3), the loRa module is connected with loRa rubber rod antenna (32) that run through electric energy meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022406465.0U CN213581091U (en) | 2020-10-26 | 2020-10-26 | Power consumption monitoring devices in drawer cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022406465.0U CN213581091U (en) | 2020-10-26 | 2020-10-26 | Power consumption monitoring devices in drawer cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN213581091U true CN213581091U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022406465.0U Active CN213581091U (en) | 2020-10-26 | 2020-10-26 | Power consumption monitoring devices in drawer cabinet |
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| Country | Link |
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| CN (1) | CN213581091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114545138A (en) * | 2022-04-06 | 2022-05-27 | 珠海格力电器股份有限公司 | Test device, test system and test method |
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2020
- 2020-10-26 CN CN202022406465.0U patent/CN213581091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114545138A (en) * | 2022-04-06 | 2022-05-27 | 珠海格力电器股份有限公司 | Test device, test system and test method |
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