CN116068245A

CN116068245A - Plug-in type electric energy meter

Info

Publication number: CN116068245A
Application number: CN202310209492.4A
Authority: CN
Inventors: 吴学闻; 吴学卿; 苏杰
Original assignee: JIANGSU SHENGDE ELECTRIC METER CO Ltd
Current assignee: JIANGSU SHENGDE ELECTRIC METER CO Ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-05-05
Anticipated expiration: 2043-03-07
Also published as: CN116068245B

Abstract

The invention relates to the technical field of electric energy meters, in particular to a plug-in type electric energy meter which comprises a meter box mechanism and a plug-in wiring mechanism, wherein the meter box mechanism comprises a meter shell, a base arranged in the meter shell, two gaskets arranged in the base, an insulating column movably arranged in the meter shell and penetrating into the base, and a positioning sleeve inserted in the meter shell. Through add two gaskets on traditional watchcase terminal, and but the insulator spindle of movable mounting free plug in the base, and install the core bar that can carry out electrically conductive to two gaskets in the insulator spindle, the cooperation protects the whole location encapsulation to preassembling wire, restraint fastener pipe and core bar of base, and the reservation cavity that forms between insulator spindle and the protection base this moment alright provide safe environment for the wiring of watchcase, and then improve the quick heat transfer of watchcase terminal, in order to avoid wire heart yearn and base to take place the melting short circuit.

Description

Plug-in type electric energy meter

Technical Field

The invention relates to the technical field of electric energy meters, in particular to a pluggable electric energy meter.

Background

The electric energy meter can be divided into a direct current electric energy meter and an alternating current electric energy meter according to the circuit used by the electric energy meter. The ac electric energy meter can be classified into a single-phase electric energy meter, a three-phase three-wire electric energy meter and a three-phase four-wire electric energy meter according to its phase line, and is mainly used for measuring various electric quantities.

After the wiring of the electric energy meter enters a household, the binding post of the electric energy meter and the core wire of the lead wire are easy to melt due to temperature rise along with the opening of the electric appliance and the increase of electric energy loss, and short circuit and even damage to the electric appliance are caused when serious.

According to the above description, how to avoid the conventional wiring method, the temperature rise occurs due to the increase of the electric energy, and the melting short circuit of the core wire and the binding post of the electric energy meter is the technical difficulty to be solved by the invention.

Disclosure of Invention

The present invention aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the invention is as follows:

the utility model provides a plug-in electric energy meter, includes table case mechanism and plug wiring mechanism, table case mechanism includes the watchcase, installs at the inside base of watchcase, installs two gaskets in the base, movable mounting in the watchcase and run through to the inside insulated column of base and peg graft the positioning sleeve in the watchcase, plug wiring mechanism is including installing the protection base in the insulated column, be located protection base inner chamber middle part and install the core bar in the insulated column, connect the wire in the protection base, be located the protection base inside and connect the restraint clamp pipe on the core bar, install at the outside heat extraction hood of protection base, connect the exhaust hood at the exhaust hood both ends, movable mounting turbine blade in the exhaust hood, the transmission is connected in turbine blade runs through to the track on the inside end of watchcase and the drive shaft of movable mounting in the watchcase.

The present invention may be further configured in a preferred example to: rectangular fasteners are arranged at the bottom of the base, and the two gaskets are connected to the inner wall of the rectangular fasteners in an adaptive mode.

Through adopting above-mentioned technical scheme, utilize and install two elasticity on the inner wall of rectangle fastener and extend the gasket, after the insulating column drive core bar runs through in the rectangle fastener, two fan-shaped copper sheets of core bar one end can contact with two gaskets, and the inside of insulating column and rectangle fastener can form radiating cavity this moment.

The present invention may be further configured in a preferred example to: the insulating column is made of insulating ceramic, the whole T-shaped structure of insulating column, the sector slotted holes symmetrically distributed are formed in the insulating column penetrating through the two sides of the rectangular fastener, the positioning sleeve is made of plastic, and the outer end of the positioning sleeve is provided with an annular buckle clamped on the insulating column.

Through adopting above-mentioned technical scheme, utilize to adopt ceramic material to make with the insulating column to transversely put the middle part in insulating column inner chamber with the core bar, when the core bar switch-on state, the insulating column can carry out insulating treatment for between watchcase and the core bar, when improving heat energy and dispelling, can maintain the security that the core bar was used again.

The present invention may be further configured in a preferred example to: the protection base is made of silica gel materials, and a heat dissipation notch is formed in one end, far away from the insulating column, of the protection base.

Through adopting above-mentioned technical scheme, utilize to install the heat extraction cover in the outside of a plurality of protection bases, the heat dissipation notch and the inside cavity intercommunication of heat extraction cover of protection base one end this moment, after the heart yearn of wire one end is tightened on the core bar other end when the restraint clamp pipe, in case the inside heat energy that appears of protection base, under the effect of two exhaust hoods directional transport air current, can realize the quick evacuation of heat energy.

The present invention may be further configured in a preferred example to: the core rod penetrates through the protective base to form a V-shaped copper column and a disc-shaped backing plate, and the core rod penetrates through the insulating column to form a cylindrical copper column, a guide rod and a fan-shaped copper sheet.

Through adopting above-mentioned technical scheme, utilize the unsettled erection of cylindricality cavity to the core bar that forms between protection base and the insulating column, after the wire is torn off because of external factor, restraint fastener pipe and core bar alright avoid the inside subassembly of watchcase impaired this moment, and the core bar of free plug structure also can provide safety protection to the circular telegram between wire and the watchcase simultaneously.

By adopting the technical scheme, the beneficial effects obtained by the invention are as follows:

1. according to the invention, the two gaskets are additionally arranged on the binding post of the traditional watchcase, the insulating column capable of being freely inserted and pulled is movably arranged in the base, the core rod capable of conducting electricity to the two gaskets is arranged in the insulating column, the whole protective base is matched for positioning and packaging the preassembled wire, the wire clamping tube and the core rod, and at the moment, the reserved cavity formed between the insulating column and the protective base can provide a safe environment for the binding post of the watchcase, so that the rapid heat exchange of the binding post of the watchcase is improved, and the melting short circuit between the wire core wire and the base is avoided.

2. According to the invention, the heat dissipation notch is formed in the outer part of the protection base, the heat exhaust covers capable of conducting unidirectional heat energy drainage are arranged in the outer parts of the protection bases, the exhaust covers capable of conducting heat energy drainage to the external environment are arranged at the two ends of the heat exhaust covers, and the heat exhaust covers are matched with the driving shafts and the two tracks to drive the turbine blades movably arranged in the two exhaust covers, so that stable temperature-control air flow can be formed by the protection bases and the inner cavities of the heat exhaust covers.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present invention;

FIG. 2 is a schematic bottom view of an embodiment of the present invention;

FIG. 3 is a schematic illustration of a partial cross-section of the dispersion of FIG. 2 in accordance with one embodiment of the present invention;

FIG. 4 is a partial top view and cross-sectional schematic illustration of FIG. 3 in accordance with one embodiment of the invention;

FIG. 5 is a schematic view of the internal cross-section of FIG. 4 according to one embodiment of the present invention.

Reference numerals:

100. a meter box mechanism; 110. a watch case; 120. a base; 130. a gasket; 140. an insulating column; 150. positioning the sleeve;

200. a plug wiring mechanism; 210. a protective base; 220. a core bar; 230. a wire; 240. a wire harness clamp tube; 250. a heat extraction cover; 260. an exhaust hood; 270. turbine blades; 280. a track; 290. a drive shaft.

Detailed Description

The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.

It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.

A pluggable electric energy meter according to some embodiments of the present invention is described below with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1-5, the pluggable electric energy meter provided by the invention comprises a meter box mechanism 100 and a pluggable wiring mechanism 200, wherein the pluggable wiring mechanism 200 is installed on the meter box mechanism 100.

The case mechanism 100 includes a case 110, a base 120, a spacer 130, an insulating column 140, and a positioning sleeve 150, and the plug wiring mechanism 200 includes a protective base 210, a stem 220, a wire 230, a harness clip 240, a heat extraction cover 250, a hood 260, a turbine blade 270, a track 280, and a drive shaft 290.

Specifically, the base 120 is installed inside the watch case 110, the two gaskets 130 are installed in the base 120, the insulating column 140 is movably installed in the watch case 110 and penetrates into the base 120, the positioning sleeve 150 is inserted into the watch case 110, the protection base 210 is installed in the insulating column 140, the core rod 220 is located in the middle of the inner cavity of the protection base 210 and installed in the insulating column 140, the conducting wire 230 is connected in the protection base 210, the wire clamping tube 240 is located inside the protection base 210 and connected to the core rod 220, the heat exhausting cover 250 is installed outside the protection base 210, the two exhaust covers 260 are respectively connected to two ends of the heat exhausting cover 250, the turbine fan blades 270 are movably installed in the exhaust covers 260, the crawler belt 280 is in transmission connection with the end of the turbine fan blades 270 penetrating into the watch case 110, and the driving shaft 290 is movably installed in the watch case 110.

The core rod 220 which can conduct electricity to the two gaskets 130 is arranged in the insulating column 140, the protective base 210 is matched with the preassembled lead 230, the wire harness clamp tube 240 and the core rod 220 in a whole, a reserved cavity formed between the insulating column 140 and the protective base 210 can provide a safe environment for wiring of the watchcase 110, exhaust hoods 260 which can discharge heat energy to the external environment are arranged at two ends of the exhaust hoods 250, the driving shafts 290 and the two caterpillar tracks 280 are matched with the transmission of the turbine fan blades 270 movably arranged in the two exhaust hoods 260, and at the moment, stable temperature control air flows can be formed by the protective bases 210 and the internal cavities of the exhaust hoods 250, so that the rapid heat exchange of the wiring terminal of the watchcase 110 is improved, and the melting short circuit of the lead 230 core wires and the base 120 is avoided.

Embodiment two:

referring to fig. 3 and fig. 4, on the basis of the first embodiment, a rectangular fastener is provided at the bottom of the base 120, two gaskets 130 are connected to the inner wall of the rectangular fastener in an adapting manner, the insulating column 140 is made of insulating ceramic, the insulating column 140 is in a T-shaped structure as a whole, the insulating column 140 penetrates through to two sides of the rectangular fastener to form symmetrically distributed fan-shaped slots, the positioning sleeve 150 is made of plastic, and the outer end of the positioning sleeve 150 is provided with an annular fastener clamped on the insulating column 140.

After the insulating column 140 drives the core 220 to penetrate into the rectangular fastener, the two fan-shaped copper sheets at one end of the core 220 can be contacted with the two gaskets 130, at this time, the insulating column 140 and the inside of the rectangular fastener can form a heat dissipation cavity, and the core 220 is transversely arranged in the middle of the inner cavity of the insulating column 140, when the core 220 is in an electrified state, the insulating column 140 can insulate the case 110 and the core 220, so that the heat energy dissipation is improved, and the use safety of the core 220 can be maintained.

Embodiment III:

referring to fig. 4 and 5, in the first embodiment, the protection base 210 is made of a silica gel material, a heat dissipation notch is formed at an end of the protection base 210 far away from the insulation column 140, one end of the core rod 220 penetrating into the protection base 210 is composed of a V-shaped copper column and a disc-shaped pad, and one end of the core rod 220 penetrating into the insulation column 140 is composed of a cylindrical copper column, a guide rod and a fan-shaped copper sheet.

By installing the heat exhaust covers 250 outside the plurality of protection bases 210, the heat dissipation notch at one end of the protection base 210 is communicated with the cavity inside the heat exhaust covers 250, when the wire clamping tube 240 tightens the core wire at one end of the lead 230 on the other end of the core bar 220, once heat energy occurs inside the protection base 210, the heat energy can be quickly emptied under the action of directional airflow conveying through the two exhaust covers 260, the cylindrical cavity formed between the protection base 210 and the insulating column 140 can suspend the core bar 220, when the lead 230 is torn off due to external factors, the wire clamping tube 240 and the core bar 220 can prevent the internal components of the watch case 110 from being damaged, and meanwhile, the core bar 220 with a free plug structure can also provide safety protection for electrifying between the lead 230 and the watch case 110.

The working principle and the using flow of the invention are as follows: the driving shaft 290 is movably installed in a through hole in the watch case 110, then the turbine blades 270 movably installed in the two exhaust hoods 260 are loaded in holes on two sides of the watch case 110, the two turbine blades 270 are sequentially connected to bearings of shaft rods in the driving shaft 290 in a transmission manner by using the two tracks 280, the pre-assembled core rod 220 and the insulation column 140 are installed on the protection base 210, the exposed core wire of the wire 230 is tightly clamped in a groove of the core rod 220 far away from the insulation column 140 by using the wire clamping tube 240, so that the wire 230 and the core rod 220 can be normally electrified, when the core rod 220, the wire 230 and the gasket 130 can be normally electrified, the motor in the driving shaft 290 can be started, then the motor is driven to penetrate through the shaft rods in the watch case 110 to rotate, then the two tracks 280 are driven, and the turbine blades 270 movably installed in the exhaust hoods 260 can be exhausted outwards, thereby ensuring that the internal environments of the protection base 210 and the exhaust hoods 250 are in a constant temperature state.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The pluggable electric energy meter is characterized by comprising a meter box mechanism (100) and a pluggable wiring mechanism (200);

the meter box mechanism (100) comprises a meter case (110), a base (120) arranged inside the meter case (110), two gaskets (130) arranged inside the base (120), an insulating column (140) movably arranged inside the meter case (110) and penetrating into the base (120), and a positioning sleeve (150) inserted into the meter case (110);

the plug wiring mechanism (200) is installed on the meter box mechanism (100), including installing protection base (210) in insulating column (140), be located protection base (210) inner chamber middle part and install core bar (220) in insulating column (140), connect wire (230) in protection base (210), be located protection base (210) inside and connect restraint fastener pipe (240) on core bar (220), install at the outside exhaust hood (250) of protection base (210), connect exhaust hood (260) at exhaust hood (250) both ends, movable mounting turbine blade (270) in exhaust hood (260), the transmission is connected in turbine blade (270) and is run through track (280) to the inside end of watchcase (110) and movable mounting drive shaft (290) in watchcase (110).

2. The pluggable electric energy meter according to claim 1, wherein the bottom of the base (120) is provided with a rectangular fastener, and two gaskets (130) are adapted to be connected to the inner wall of the rectangular fastener.

3. The pluggable electric energy meter according to claim 1, wherein the insulating column (140) is made of insulating ceramics, the insulating column (140) is of a T-shaped structure as a whole, and the insulating column (140) penetrates through both sides of the rectangular fastener to form symmetrically distributed sector slots.

4. The pluggable electric energy meter of claim 1, wherein the positioning sleeve (150) is made of plastic, and the outer end of the positioning sleeve (150) is provided with an annular buckle clamped on the insulating column (140).

5. The pluggable electric energy meter of claim 1, wherein the protection base (210) is made of silica gel material, and a heat dissipation notch is formed at one end of the protection base (210) far away from the insulating column (140).

6. The pluggable electric energy meter according to claim 1, wherein one end of the core bar (220) penetrating into the protection base (210) is composed of a V-shaped copper column and a disc-shaped backing plate, and one end of the core bar (220) penetrating into the insulation column (140) is composed of a cylindrical copper column, a guide rod and a fan-shaped copper sheet.