CN212008898U - Portable single-phase meter wiring device - Google Patents

Abstract

The utility model relates to a portable single-phase table termination, including the casing and install the wiring subassembly on the casing, the wiring subassembly is including installing the voltage socket and the signal output socket at casing top, and the voltage socket is including being used for live wire plug and the zero line plug to the single-phase table voltage signal of calibration equipment output, and the signal output socket is including the three-core aviation plug that is used for exporting the 485 signals of single-phase table to the calibration equipment. The utility model discloses simplified the wiring process, simple structure, convenient operation for single-phase table is connected more reliably with the calibration equipment, has improved work efficiency, has reduced intensity of labour, has avoided the potential safety hazard because of the wiring operation probably appears effectively.

Description

Portable single-phase meter wiring device

Technical Field

The utility model relates to a portable single-phase table termination.

Background

When carrying out the on-the-spot check-up to single-phase electric energy meter, need be connected electric energy meter and on-the-spot check-up device, traditional mode of connection uses the screwdriver to loosen the screw of the external terminal of electric energy meter and inserts the used cable of inspection in proper order the back and screws up again, perhaps uses the connection clip directly to press from both sides the cable on the external terminal of electric energy meter. However, the traditional wiring mode often has the phenomena that the contact with a contact terminal is not firm, the disconnection is caused by the tripping of a wiring clamp, the inspection is stopped, and the like, the labor intensity is high, and the working efficiency is low; and when the traditional wiring mode is used in field live operation, the operation is complex, the phenomenon of sparking often occurs, potential safety hazards exist, accidents are easy to happen due to operation, and the potential safety hazards are increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable single-phase table termination, easy operation, the wiring is firm reliable, has improved work efficiency, has reduced intensity of labour and potential safety hazard.

In order to solve the technical problem, the utility model provides a following technical scheme:

a portable single-phase table termination which characterized in that: including the casing and install the wiring subassembly on the casing, the wiring subassembly is including installing voltage socket and the signal output socket at the casing top, voltage socket is including being used for exporting single-phase table voltage signal's live wire plug and zero line plug to the calibration equipment, the signal output socket is including being used for exporting the three-core circular connector of the 485 signal of single-phase table to the calibration equipment.

As a further improvement, the voltage socket further comprises a voltage probe corresponding to the live wire plug and the zero line plug, wherein the lower end of the voltage probe contacts with a voltage terminal in the single-phase meter junction box, and the upper end of the voltage probe is electrically connected with the corresponding live wire plug or the corresponding zero line plug.

As a further improvement, the signal output socket still includes the first signal probe with three-core aviation plug's pin one-to-one, first signal probe's lower extreme is used for contacting with the 485 binding post of the single-phase table terminal box of usefulness, first signal probe's upper end and the three-core aviation plug's that corresponds pin electric connection.

As a further improvement, the signal output socket includes nine core aviation plugs and with the second signal probe of the pin one-to-one of nine core aviation plugs, nine core aviation plugs are used for the pulse signal to the single-phase table of calibration equipment output, the lower extreme of second signal probe is used for contacting with the pulse signal binding post of single-phase table terminal box, the upper end of second signal probe and the pin electric connection of the nine core aviation plugs that correspond.

As a further improvement, the wiring subassembly is still including installing the humiture module on the casing antetheca, the humiture module is used for detecting single-phase table check-up scene temperature and humidity, the output of humiture module and the corresponding pin electric connection of nine core aviation plugs, nine core aviation plugs are used for exporting the temperature and humidity signal at single-phase table check-up scene to the calibration equipment.

As a further improvement of the present invention, the mounting assembly further comprises fixed buckles respectively mounted at the left and right ends of the housing, vertical mounting through holes are respectively formed at the left and right ends of the housing, the upper end of the buckle is located above the mounting through hole, the lower end of the buckle passes through the mounting through hole and is bent inwards to form a clamping edge, and the middle part of the buckle is mounted in the mounting through hole through a torsion spring; the clamping edges are used for being matched with fixing holes on two sides of the single-phase meter junction box.

As a further improvement of the utility model, portable single-phase table termination is still including installing the installation component on the casing, the installation component includes set screw, the casing top seted up with fixed screw matched with through-hole, the through-hole that the lower extreme of fixed screw passed the casing top is used for cooperateing with the fixed screw hole on the single-phase table terminal box.

As a further improvement of the utility model, portable single-phase table termination is still including installing the pilot lamp at the shell top, the pilot lamp is used for showing the connection status of termination and single-phase table, the pilot lamp with supply power through live wire plug and zero line plug.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model simplifies the wiring process, has simple structure and convenient operation, ensures that the connection of the single-phase meter and the calibration device is more reliable, improves the working efficiency, reduces the labor intensity and effectively avoids the potential safety hazard possibly caused by the wiring operation;

2. the utility model is provided with the buckle to fix the line device, has convenient operation and simple structure, and further improves the working efficiency;

3. the utility model discloses set up set screw and further fix termination for termination is connected more firmly reliably with single-phase table, has improved termination's stability.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic front structural view of an embodiment of the present invention;

fig. 3 is a schematic top view of an embodiment of the present invention;

fig. 4 is a schematic view of the side structure of an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure between an embodiment of the present invention and a single-phase meter.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, this embodiment is a portable single-phase meter termination, including casing 1 and the wiring subassembly of installing on casing 1, the wiring subassembly is including installing voltage socket and the signal output socket at casing 1 top, voltage socket is including being used for live wire plug 7 and zero line plug 9 to the check device output single-phase meter magnitude of voltage, and voltage socket still includes the voltage probe 3 with live wire plug 7, zero line plug 9 one-to-one, the lower extreme of voltage probe 3 contacts with the voltage terminal of single-phase meter terminal box, the upper end of voltage probe 3 with the pin electric connection of corresponding live wire plug 7 or zero line plug 9.

The signal output socket comprises a three-core aviation plug 10 and first signal probes 11 in one-to-one correspondence with pins of the three-core aviation plug 10, the three-core aviation plug 10 is used for outputting 485 signals of a single-phase meter to a calibration device, the lower ends of the first signal probes 11 are used for being in contact with 485 wiring terminals of an oppositely-used single-phase meter junction box, and the upper ends of the first signal probes 11 are electrically connected with the pins corresponding to the three-core aviation plug 10.

Further, the signal output socket further comprises a nine-core aviation plug 6 and second signal probes 12 corresponding to pins of the nine-core aviation plug 6 in a one-to-one manner, the nine-core aviation plug 6 is used for outputting a pulse signal of the single-phase meter to the verification device, the lower ends of the second signal probes 12 are used for being in contact with pulse signal wiring terminals of a junction box of the single-phase meter, and the upper ends of the second signal probes 12 are electrically connected with the pins corresponding to the nine-core aviation plug 6.

Further, the wiring subassembly is still including installing humiture module 2 on the 1 antetheca of casing, humiture module 2 is used for detecting single-phase table check-up on-the-spot temperature and humidity, humiture module 2's output and the pin electric connection that nine core aviation plugs 6 correspond, nine core aviation plugs 6 are used for exporting the on-the-spot temperature humidity signal of single-phase table check-up to the calibration equipment. Specifically, the temperature and humidity module 2 comprises a temperature and humidity sensor for detecting the temperature and humidity of the single-phase meter calibration site.

Specifically, in this embodiment, the voltage probe 3 and the signal probe are welded on a printed board, and the printed board is connected to an output socket for a pulse signal, a 485 signal and a voltage, and then pins on the three-core aviation plug 10, the nine-core aviation plug 6, the live wire plug 7 and the zero line plug 9 are led out by using wires and then connected to the corresponding output socket.

Further, this embodiment still includes the installation component of installing on casing 1, the installation component includes set screw 4, casing 1 top is seted up with fixed screw matched with through-hole, the lower extreme of fixed screw passes the through-hole at casing 1 top and is used for cooperating with the fixed screw hole on the single-phase table terminal box.

Further, the installation component still includes fixed buckle 5 of installing respectively at casing 1 left and right sides both ends, vertical installation through-hole has been seted up respectively to casing 1 left and right sides tip, buckle 5's upper end position is in installation through-hole top, and buckle 5's lower extreme passes the inside bending type card limit 51 that forms of installation through-hole, and buckle 5's middle part passes through the torsional spring and installs in installation through-hole. The clamping edges 51 are used for matching with fixing holes on two sides of the single-phase meter junction box.

Further, this embodiment still includes the pilot lamp 8 of installing at the shell top, pilot lamp 8 is used for showing the connection status of termination and single-phase table, the pilot lamp 8 connects in parallel between live wire plug 7 and zero line plug 9 after establishing ties with the resistance, supplies power through live wire plug 7 and zero line plug 9.

Specifically, the application method of the embodiment is as follows: the nine-core aerial plug cable that matches with single-phase table on-the-spot calibration equipment, three-core aerial plug cable and voltage cable and the nine-core aviation plug 6 on the termination, three-core aviation plug 10, the voltage socket corresponds the grafting firmly, then press 5 tops of buckle of casing 1 both sides inwards relatively, the card limit 51 of buckle 5 bottom receives the outside removal of torsional spring effort, press casing 1 downwards, make the card limit 51 of buckle 5 bottom stretch into the fixed orifices of single-phase table terminal box both sides, then loosen buckle 5 tops, make card limit 51 block on the lockhole of seting up with the fixed orifices inner wall of single-phase table, voltage probe 3 and the external terminal one-to-one contact on signal probe and the single-phase table terminal box this moment. And finally, the fixing screw 4 is screwed into the fixing threaded hole of the single-phase meter junction box through the cross screwdriver, so that the connection device is more firmly connected with the single-phase meter. At the moment, the wiring work of the single-phase meter calibration is finished, after the power supply is switched on, the indicator light 8 is turned on to show that the wiring device is normally connected with the electric energy meter, the calibration work of the existing electric energy meter field can be carried out at the moment, and various signals required by the calibration can be effectively accessed into the calibration device. The installation structure is shown in fig. 5.

The embodiment simplifies the wiring process, so that the connection between the single-phase meter and the calibration device is more reliable, and the potential safety hazard possibly caused by wiring operation is effectively avoided.

Claims (8)

1. A portable single-phase table termination which characterized in that: including casing (1) and install the wiring subassembly on casing (1), the wiring subassembly is including installing voltage socket and the signal output socket at casing (1) top, voltage socket is including being used for to check-up device output single-phase table voltage signal's live wire plug (7) and zero line plug (9), the signal output socket is including three core aviation plug (10) that are used for to the 485 signals of check-up device output single-phase table.

2. The portable single-phase meter wiring device of claim 1, wherein: the voltage socket further comprises voltage probes (3) in one-to-one correspondence with the live wire plugs (7) and the zero line plugs (9), the lower ends of the voltage probes (3) are in contact with voltage terminals in the single-phase meter junction box, and the upper ends of the voltage probes (3) are electrically connected with the pins of the corresponding live wire plugs (7) or the zero line plugs (9).

3. The portable single-phase meter wiring device of claim 1, wherein: the signal output socket further comprises first signal probes (11) in one-to-one correspondence with the pins of the three-core aviation plug (10), the lower ends of the first signal probes (11) are used for being in contact with 485 wiring terminals of the used single-phase meter junction box, and the upper ends of the first signal probes (11) are electrically connected with the pins corresponding to the three-core aviation plug (10).

4. The portable single-phase meter wiring device of claim 1, wherein: the signal output socket comprises a nine-core aviation plug (6) and second signal probes (12) in one-to-one correspondence with pins of the nine-core aviation plug (6), the nine-core aviation plug (6) is used for outputting pulse signals of the single-phase meter to the checking device, the lower ends of the second signal probes (12) are used for being in contact with pulse signal wiring terminals of the single-phase meter junction box, and the upper ends of the second signal probes (12) are in electrical connection with the pins corresponding to the nine-core aviation plug (6).

5. The portable single-phase meter wiring device of claim 4, wherein: the wiring assembly is still including installing humiture module (2) on casing (1) antetheca, humiture module (2) are used for detecting single-phase table check-up on-the-spot temperature and humidity, the pin electric connection of the output of humiture module (2) and the correspondence of nine core aviation plugs (6), nine core aviation plugs (6) are used for exporting the on-the-spot temperature humidity signal of single-phase table check-up to the calibration equipment.

6. The portable single-phase meter wiring device of any one of claims 1 to 5, wherein: the portable single-phase meter wiring device further comprises an installation assembly installed on the shell (1), the installation assembly comprises a fixing screw (4), a through hole matched with the fixing screw hole is formed in the top of the shell (1), and the lower end of the fixing screw hole penetrates through the through hole in the top of the shell (1) and is used for being matched with the fixing screw hole in the single-phase meter wiring box.

7. The portable single-phase meter wiring device of claim 6, wherein: the mounting assembly further comprises fixed buckles (5) which are respectively mounted at the left end and the right end of the shell (1), vertical mounting through holes are respectively formed in the left end and the right end of the shell (1), the upper ends of the buckles (5) are located above the mounting through holes, the lower ends of the buckles (5) penetrate through the mounting through holes and are bent inwards to form clamping edges (51), and the middle parts of the buckles (5) are mounted in the mounting through holes through torsion springs; the clamping edges (51) are used for being matched with fixing holes on two sides of the single-phase meter junction box.

8. The portable single-phase meter wiring device of any one of claims 1 to 5, wherein: portable single-phase table termination is still including installing pilot lamp (8) at the shell top, pilot lamp (8) are used for showing the connection status of termination and single-phase table, pilot lamp (8) with supply power through live wire plug (7) and zero line plug (9).

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