CN116190168A

CN116190168A - Switch hardware board mechanism and micro-switch thereof

Info

Publication number: CN116190168A
Application number: CN202310184542.8A
Authority: CN
Inventors: 刘长生; 毛志明; 张捷; 陈治仲
Original assignee: Guangdong Crdm Electric Technology Co ltd
Current assignee: Guangdong Crdm Electric Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-05-30

Abstract

The invention discloses a switch hardware board mechanism and a micro-disconnection switch thereof, which comprises a core circuit board and a plurality of magnetic latching relays arranged on one side surface of the core circuit board side by side, wherein the other side surface of the core circuit board is provided with a plurality of current transformer components corresponding to the magnetic latching relays one by one, the two ends of the current transformer components along the axial direction of a measuring hole of the current transformer components are respectively provided with a wiring terminal and a wiring part, each wiring part comprises a zero line conducting sheet and a fire wire conducting sheet which are arranged at intervals, each fire wire conducting sheet is connected with a pin of each magnetic latching relay, each magnetic latching relay is also connected with a fire wire which is conducted with each fire wire conducting sheet through the fire wire conducting sheet, each zero line conducting sheet is connected with a plurality of zero lines along the extending direction of the zero line conducting sheet, each zero line or each fire wire passes through a measuring hole of the corresponding current transformer component and is connected to a zero line plug hole or a fire wire plug hole corresponding to the wiring terminal, and the whole micro-disconnection is formed into a whole by a plurality of lines, and only one zero line and one fire wire is needed to be connected.

Description

Switch hardware board mechanism and micro-switch thereof

Technical Field

The invention relates to the technical field of micro-disconnection switches, in particular to a switch hardware plate mechanism and a micro-disconnection switch thereof.

Background

The household distribution box consists of a plurality of single-way air circuit breakers, the wiring is complicated, and the live wire needs to be connected between each two ways. The modularized micro-switch feeder line measurement and control device comprises an acquisition and measurement module, a control module and a control module, wherein the acquisition and measurement module is connected with a micro-switch and used for acquiring a to-be-controlled signal in the micro-switch, the control module is used for performing data analysis on the to-be-controlled signal acquired by the acquisition and measurement module and obtaining energy consumption analysis, energy distribution conditions of each phase and fault reasons of a load carried by the micro-switch, and the control module is connected with the acquisition and measurement module in a plug-in mode; the acquisition measurement module comprises an acquisition unit, a feeder copper bar, an acquisition measurement module body, an acquisition measurement module middle unit and a micro-disconnection switch cover plate, wherein the acquisition measurement module body is used for completing acquisition of a to-be-detected control signal, the acquisition measurement module middle unit is used for isolating the acquisition unit inside the acquisition measurement module body from the outside, the micro-disconnection switch cover plate is used for sealing the acquisition measurement module body, and the micro-disconnection switch cover plate is still required to be arranged in a parallel mode when all branches are connected, and therefore wiring is complicated inevitably caused.

Disclosure of Invention

The invention aims to provide a switch hardware board mechanism and a micro-breaking switch thereof, which are used for solving the problems in the prior art, the whole micro-breaking is formed by a plurality of paths into a whole, the incoming line only needs to be connected with a zero line and a live line, and the wiring is simple and quick.

In order to achieve the above object, the present invention provides the following solutions: the invention provides a switch hardware board mechanism, which comprises a core circuit board and a plurality of magnetic latching relays arranged on one side surface of the core circuit board side by side, wherein a plurality of current transformer components corresponding to the magnetic latching relays one by one are arranged on the other side surface of the core circuit board, wiring terminals and wiring parts are respectively arranged at two ends of the current transformer components along the axial direction of a measuring hole of the current transformer components, each wiring part comprises a zero wire conducting sheet and a fire wire conducting sheet which are arranged at intervals, each fire wire conducting sheet is connected with a pin of each magnetic latching relay, each magnetic latching relay is also connected with a fire wire which is conducted with the fire wire conducting sheet through the fire wire conducting sheet, the zero wire conducting sheet is connected with a plurality of zero wires along the extending direction of the zero wires or the fire wires penetrate through the measuring holes corresponding to the current transformer components and are connected to zero wire plug holes or fire wire plug wire holes corresponding to the wiring terminals, and the ends of the zero wire conducting sheets and the fire wire conducting sheets are respectively provided with crimping terminals for conducting a power supply.

Preferably, the current transformer assembly is provided with a CT circuit board which is electrically connected with the current transformer assembly, and the CT circuit board is positioned between the current transformer assembly and the wiring terminals, extends along the arrangement direction of the current transformer assemblies, and is vertically inserted on the core circuit board.

Preferably, the current transformer assembly is fixed on the CT circuit board, and the CT circuit board is provided with a plurality of groups of openings for passing the live wire and the null wire in pairs.

Preferably, the current transformer assembly comprises a live wire current transformer and a zero line current transformer arranged on one side of the live wire current transformer, and the live wire and the zero line respectively pass through measuring holes in the live wire current transformer and the zero line current transformer correspondingly.

Preferably, the crimping terminal comprises a fixed ring sleeved on the zero line conducting piece or the live line conducting piece, and a conducting bolt for pressing a conducting wire is connected to the fixed ring in a threaded mode.

Preferably, the crimping terminal is arranged at two ends of the zero line conducting strip or the live line conducting strip.

The utility model provides a micro-breaking switch, its characterized in that includes a plurality of groups and can dismantle last casing and lower casing of connection, switch hardware trigger mechanism installs same group go up the casing with down between the casing, go up the casing along zero line conducting strip or the live wire conducting strip extending direction's both ends all are equipped with the wiring mouth that the crimping terminal is linked together, set up on the lower casing and be used for exposing each the wiring interface of zero line plug wire hole and live wire plug wire hole of binding post.

Preferably, conductive connecting pieces are arranged between two adjacent upper shells in pairs, and each pair of conductive connecting pieces respectively penetrates through the corresponding wiring port and is connected between the crimping terminals of the two zero line conductive pieces or the two live line conductive pieces.

Preferably, the two ends of each conductive connecting sheet are respectively provided with a connecting hole, and each connecting hole correspondingly penetrates into the fixing ring and is in threaded connection with the conductive bolt.

Preferably, the core circuit board is provided with connection sockets along two ends in the extending direction of the zero line conducting strip or the live line conducting strip, the positions of the upper shells corresponding to the connection sockets are provided with plug-in ports for exposing the connection sockets, connection flat cables are arranged between two adjacent upper shells, and plugs at two ends of the connection flat cables respectively penetrate through the plug-in ports of the two upper shells and are plugged in the corresponding connection sockets.

Compared with the prior art, the invention has the following technical effects:

first, whole switch hardware trigger mechanism wiring is simple, the inlet wire only needs to connect a zero line and a live wire to be linked together with zero line conducting strip and live wire conducting strip respectively, each live wire all accomplishes the switch through magnetic latching relay and divides the action to carry out, and then distribute each binding post, realize four ways and constitute integrative structure, and then can bear the switch that each power consumption was branched off and divides the action to carry out, the switch position judges, the current sampling, the current calculates, protection logic, report formation, communication response, function such as abnormal diagnosis, need not among the prior art the live wire need be in the parallel line between every way, the wiring complicacy has been avoided.

The second, the current transformer subassembly is supporting to have the CT circuit board rather than the electricity is connected, and the CT circuit board is located between current transformer subassembly and the binding post to extend along the direction that each current transformer subassembly was arranged, and peg graft perpendicularly on the core circuit board, and then accomplish the function of all being connected with core circuit board electricity with each current transformer subassembly, need not to carry out the lead wire to each current transformer, guaranteed to connect simply, convenient operation.

Third, the current transformer subassembly is fixed on the CT circuit board, and sets up a plurality of groups of openings that supply live wire and zero line to pass through on the CT circuit board in pairs, through the connection of current transformer subassembly and CT circuit board, also need not the lead connection between the two, further guarantees that whole device is convenient for assemble.

Fourth, the current transformer subassembly includes live wire current transformer, install the zero line current transformer in its one side, live wire and zero line correspond respectively and pass the measuring aperture on live wire current transformer and the zero line current transformer, with respect to single-phase load, because live wire current and zero line current are unanimous, and then set up live wire current transformer and zero line current transformer, carry out the current sampling, give the treater again and carry out data comparison analysis, through the current unbalance degree of comparison live wire and zero line, just can judge the application state or the operation condition of load, load switch tripping operation in the long-distance control equipment if necessary.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a plan view of the overall structure of the present invention;

FIG. 3 is an exploded view of the overall structure of the present invention;

FIG. 4 is a schematic diagram of the structure of the core circuit board of the present invention;

the high-voltage power supply comprises a 1-upper shell, a 2-lower shell, a 3-flip, a 4-plug wire interface, a 5-wiring port, a 6-magnetic latching relay, a 7-connection socket, an 8-core circuit board, a 9-wiring terminal, a 10-fixing ring, an 11-CT circuit board, a 12-zero line current transformer, a 13-live line current transformer, a 14-zero line conducting plate and a 15-live line conducting plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1 to 4, this embodiment provides a switch hardware board mechanism, including core circuit board 8 and a plurality of magnetic latching relays 6 installed side by side on a side of core circuit board 8, a plurality of current transformer components corresponding to magnetic latching relays 6 one by one are installed to the opposite side of core circuit board 8, current transformer components are equipped with binding post 9 and wiring portion respectively along its measuring hole axial both ends, wiring portion includes zero line conducting strip 14 and live wire conducting strip 15 that the interval set up, live wire conducting strip 15 is connected with the prong of each magnetic latching relay 6, and each magnetic latching relay 6 still is connected with the live wire through its and live wire conducting strip 15 switch on, zero line conducting strip 14 is connected with a plurality of zero lines along its extending direction, zero line or live wire pass the measuring hole of corresponding current transformer components, and connect on the corresponding zero line plug wire hole or the live wire plug wire hole of binding post 9, zero line conducting strip 14 and live wire conducting strip 15's tip all are equipped with the crimping terminal that is used for switching on the power.

The whole switch hardware plate mechanism is simple in wiring, the incoming line only needs to be connected with a zero line and a live line, and is respectively communicated with the zero line conducting strip 14 and the live line conducting strip 15, each live line is subjected to switching action execution through the magnetic latching relay 6, and then distributed to each connecting terminal 9, so that a four-way integrated structure is realized, and further functions of switching action execution, switching position judgment, current sampling, current calculation, protection logic, report generation, communication response, abnormality diagnosis and the like of each power utilization branch can be born, the live line does not need to be connected between each circuit in parallel in the prior art, and wiring complexity is avoided.

The current transformer components are matched with the CT circuit board 11 electrically connected with the current transformer components, the CT circuit board 11 is located between the current transformer components and the wiring terminals 9, extends along the arrangement direction of the current transformer components, is vertically inserted on the core circuit board 8, is preferably welded by double rows of contact pins, further achieves the function of electrically connecting the current transformer components with the core circuit board 8, does not need to conduct lead wires on the current transformers, and is simple in connection and convenient to operate.

Moreover, the current transformer assembly is fixed on the CT circuit board 11, and the CT circuit board 11 is provided with a plurality of groups of openings for passing the live wire and the zero line in pairs, and the current transformer assembly is connected with the CT circuit board 11 without lead connection, so that the whole device is further ensured to be convenient to assemble.

Further, the current transformer component comprises a live wire current transformer 13 and a zero line current transformer 12 arranged on one side of the live wire current transformer 13, the live wire and the zero line respectively pass through measuring holes in the live wire current transformer 13 and the zero line current transformer 12 correspondingly, and as for single-phase loads, as live wire current and zero line current are consistent, the live wire current transformer 13 and the zero line current transformer 12 are further arranged to sample current, and then the current is sent to a processor for data comparison analysis, and the operation state or the operation condition of the load can be judged through comparing the current unbalance degree of the live wire and the zero line, and if necessary, a load switch in equipment can be controlled for a long distance to trip. For example, in the intelligent electric energy meter, if the current of the live wire and the current of the zero line are seriously unbalanced through self-detection, whether the single-phase user uses electricity in violation can be judged through the preset setting in the electric energy meter, and an alarm signal is generated to prompt the user or automatically control to stop the power supply in the electric energy meter.

Preferably, the crimping terminal comprises a fixed ring 10 sleeved on a zero line conducting strip 14 or a live line conducting strip 15, a conducting bolt for compacting a wire is connected to the fixed ring 10 in a threaded manner, and after the external wiring is inserted into the fixed ring 10, the crimping operation of the two can be completed through the conducting bolt quickly, so that time and labor are saved.

As a preferred embodiment of the present invention, both ends of the neutral wire conductive sheet 14 or the live wire conductive sheet 15 are provided with crimp terminals, so that the external connection wire can be conveniently led into the neutral wire conductive sheet 14 or the live wire conductive sheet 15 from both ends, and the subsequent electric connection work between two switch hardware board mechanisms is convenient.

Further, still provide a micro-break switch, a serial communication port, including a plurality of group's last casing 1 and lower casing 2 of detachable connection, switch hardware trigger mechanism installs between casing 1 and lower casing 2 on same group, and preferably casing 2, switch hardware trigger mechanism and last casing 1 these three subassembly are from bottom to top with screw fixation equipment, and the both ends that go up casing 1 along the direction of extension of zero line conducting strip 14 or live wire conducting strip 15 all are equipped with the wiring mouth 5 that is linked together with the crimping terminal, offer the wiring interface 4 that is used for exposing the zero line plug wire hole and the live wire plug wire hole of each binding post 9 on the lower casing 2. And be equipped with the buckle on the lower casing 2 for the elasticity installation of guide rail for whole little switch-off is installed on the guide rail in the block terminal.

Further, conductive connecting pieces are arranged between two adjacent upper shells 1 in pairs, preferably copper sheets are adopted, plastic insulation is arranged in the middle of each conductive connecting piece for power connection, each pair of conductive connecting pieces respectively penetrates through the corresponding wiring port 5 and is connected between crimping terminals of two zero-line conductive pieces 14 or two fire-wire conductive pieces 15, and electric connection between two switch hardware board mechanisms is completed.

Preferably, the two ends of each conductive connecting sheet are respectively provided with a connecting hole, and each connecting hole correspondingly penetrates into the fixing ring 10 and is in threaded connection with the conductive bolt, so that the whole electric connection work is time-saving and labor-saving.

Further, the core circuit board 8 is provided with connection sockets 7 along two ends of the extension direction of the zero line conducting strip 14 or the live line conducting strip 15, the positions of the upper shells 1 corresponding to the connection sockets 7 are provided with plug-in ports for exposing the connection sockets, connection flat cables are arranged between two adjacent upper shells 1, and plugs at two ends of the connection flat cables respectively penetrate through the plug-in ports of the two upper shells 1 and are plugged into the corresponding connection sockets 7, so that signal connection between two switch hardware board mechanisms is realized. Preferably, the plug-in port is of a U-shaped groove structure, the plug-in port is hinged with a flip cover 3 for shielding the plug-in port, protruding points are arranged on two sides of the flip cover 3, and the flip cover is freely dismounted and fixed with the plug-in port.

It should be noted that it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but 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 invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.

Claims

1. The utility model provides a switch hardware board mechanism, its characterized in that includes core circuit board and a plurality of side by side install magnetic latching relay on the core circuit board side, a plurality of with magnetic latching relay one-to-one's current transformer subassembly is installed to the opposite side of core circuit board, current transformer subassembly is equipped with binding post and wiring portion respectively along its measuring hole axial both ends, wiring portion is including the zero line conducting strip and the live wire conducting strip that the interval set up, the live wire conducting strip with each the pin of magnetic latching relay is connected, and each magnetic latching relay all still is connected with the live wire through its with the live wire conducting strip switches on, the zero line conducting strip is connected with a plurality of zero lines along its extending direction, the zero line or the live wire passes corresponding current transformer subassembly's measuring hole, and connect on the corresponding zero line plug wire hole or the live wire plug wire hole of binding post, the zero line conducting strip with the tip of live wire conducting strip all is equipped with the crimping terminal that is used for switching on the power.

2. The switch hardware board mechanism of claim 1, wherein the current transformer assembly is provided with a CT circuit board electrically connected thereto, the CT circuit board being located between the current transformer assembly and the connection terminals, extending in a direction along which each of the current transformer assemblies is arranged, and being vertically inserted on the core circuit board.

3. The switch hardware board mechanism of claim 2, wherein the current transformer assembly is fixed on the CT circuit board, and the CT circuit board is provided with a plurality of sets of openings in pairs for passing the live wire and the neutral wire.

4. A switch hardware board mechanism according to claim 3, wherein the current transformer assembly comprises a live current transformer, a neutral current transformer mounted on one side thereof, the live and neutral wires respectively passing through measurement holes in the live and neutral current transformers.

5. The switch hardware board mechanism of any one of claims 1 to 4, wherein the crimp terminal comprises a fixed ring sleeved on the neutral conductor piece or the live conductor piece, and a conductive bolt for pressing a wire is screwed on the fixed ring.

6. The switch hardware board mechanism of claim 5, wherein the crimp terminal is provided at both ends of the neutral conductor or the live conductor.

7. A micro-break switch using the switch hardware board mechanism as claimed in claim 5 or 6, comprising a plurality of groups of upper and lower housings which are detachably connected, wherein the switch hardware board mechanism is installed between the same group of upper and lower housings, the upper housing is provided with wire connection ports which are communicated with the crimp terminals along the two ends of the zero wire conductive sheet or the live wire conductive sheet in the extending direction, and the lower housing is provided with wire connection ports for exposing the zero wire plug holes and the live wire plug holes of each wire connection terminal.

8. The micro-breaking switch according to claim 7, wherein conductive connecting pieces are arranged between two adjacent upper shells in pairs, each pair of conductive connecting pieces respectively penetrates through the corresponding wiring port and is connected between the crimping terminals of two zero-line conductive pieces or two live-wire conductive pieces.

9. The micro-breaking switch according to claim 8, wherein the two ends of each conductive connecting sheet are respectively provided with a connecting hole, and each connecting hole correspondingly penetrates into the fixing ring and is in threaded connection with the conductive bolt.

10. The micro-breaking switch according to claim 9, wherein connecting sockets are arranged at two ends of the core circuit board along the extending direction of the zero line conducting strip or the live line conducting strip, plug-in ports for exposing the connecting sockets are arranged on the upper shell corresponding to the connecting sockets, connecting flat cables are arranged between two adjacent upper shells, and plugs at two ends of the connecting flat cables respectively penetrate through the plug-in ports of the two upper shells and are plugged into the corresponding connecting sockets.