阅读说明：本技术 内置开关电源分控式智能塑壳断路器 (Built-in switch power supply sub-control type intelligent molded case circuit breaker ) 是由 郑巨夫 王文杰 郑淳之 于 2020-08-08 设计创作，主要内容包括：本发明涉及内置开关电源分控式智能塑壳断路器,包括基座,设置于基座内腔的智能控制机构,开关电源电路以及控制断路器开断的触头单元,所述触头单元外部设置有绝缘壳体,基座外部设置有若干个进线端,所述智能控制机构一体集成有断路器状态转接电路,控制电路以及显示板,其所述基座内位于触头单元上部处设置有空腔,所述开关电源电路设置于该空腔中,所述进线端与开关电源电路之间通过设置于基座内腔的外接导线进行电连接。(The invention relates to a built-in switch power supply sub-control type intelligent molded case circuit breaker, which comprises a base, an intelligent control mechanism, a switch power supply circuit and a contact unit, wherein the intelligent control mechanism is arranged in an inner cavity of the base, the contact unit is provided with an insulating shell outside, a plurality of wire inlet ends are arranged outside the base, the intelligent control mechanism is integrated with a circuit breaker state switching circuit, a control circuit and a display panel, a cavity is arranged at the upper part of the contact unit in the base, the switch power supply circuit is arranged in the cavity, and the wire inlet ends and the switch power supply circuit are electrically connected through an external lead arranged in the inner cavity of the base.)

1. Built-in switching power supply branch accuse formula intelligence moulded case circuit breaker, including the base, set up in the intelligent control mechanism of base inner chamber, switching power supply circuit and the contact unit that control circuit breaker cut-off, the contact unit outside is provided with insulating housing, and the base outside is provided with a plurality of inlet wire end, the integrative integration of intelligent control mechanism has circuit breaker state switching circuit, control circuit and display panel, its characterized in that: a cavity is arranged at the upper part of the contact unit in the base, the switching power supply circuit is arranged in the cavity, and the wire inlet end is electrically connected with the switching power supply circuit through an external lead arranged in the inner cavity of the base.

2. The intelligent molded case circuit breaker with a built-in switching power supply separately controlled according to claim 1, wherein: the external lead comprises an electric connection sheet electrically connected with the wire inlet end and a flexible lead welded on the electric connection sheet and electrically connected with the switch power supply circuit, the flexible lead is vertically arranged in the shell, one end of the flexible lead is welded with the electric connection sheet at the bottom of the base, and the other end of the flexible lead extends into the cavity and is electrically connected with the switch power supply circuit.

3. The built-in switching power supply separately controlled intelligent molded case circuit breaker of claim 2, wherein: the built-in switching power supply separately controlled intelligent molded case circuit breaker access power supply is more than two phases of power supplies, the more than two wire inlet ends are provided with electric connection pieces electrically connected with the wire inlet ends, flexible wires extending out in a welding mode are further arranged on the electric connection pieces, the electric connection pieces are welded on the wire connecting ends and located between the bottom of the inner cavity of the base and the insulating shell of the contact unit, the electric connection pieces extend to the lower portion of the cavity along the shape bending of the insulating shell of the contact unit, and finally the flexible wires soldered on the electric connection pieces are led to the cavity to be electrically connected with the switching power supply circuit.

4. The intelligent molded case circuit breaker with a built-in switching power supply separately controlled according to claim 3, wherein: the switching power supply circuit comprises a switching power supply access socket and a switching power supply output socket, the flexible lead is connected out and then is plugged into the switching power supply access socket, and the switching power supply output socket is electrically connected with the control circuit.

5. The intelligent molded case circuit breaker with built-in switching power supply separate control type according to claim 4, characterized in that: the switching power supply circuit is characterized in that a connecting shell for placing a circuit board of the switching power supply circuit is further arranged outside the switching power supply circuit, the connecting shell can be adaptively connected to more than two types of molded case circuit breakers of shell frame models, and cavities of the adaptively connected molded case circuit breakers are placing cavities for initially placing circuit breaker state switching circuits.

6. The intelligent molded case circuit breaker with a built-in switching power supply separately controlled according to claim 5, wherein: the model of the intelligent moulded case circuit breaker that can adapt includes 250 shell frame moulded case circuit breakers and 630 shell frame moulded case circuit breakers, connecting casing has the opening, and switching power supply circuit board sets up in this opening, and connecting casing keeps away from the opening part and is provided with the backplate that can be used to connect 250 shell frame moulded case circuit breakers to place the cavity and 630 shell frame moulded case circuit breakers to place the cavity, backplate upper portion is provided with and is used for connecting casing fixed connection in two model circuit breakers to place the first screw connecting hole and the second screw connecting hole of cavity, still be provided with respectively on the backplate and be used for joint 250 shell frame moulded case circuit breakers to place the cavity and be used for joint 630 shell frame moulded case circuit breakers to place first joint spare and second joint spare of cavity.

7. The intelligent molded case circuit breaker with a built-in switching power supply separately controlled according to claim 6, characterized in that: first screw connecting hole and second screw connecting hole support mutually and lean on and integrated into one piece, and 250 shell frame moulded case circuit breaker place on the cavity lateral wall vertically be provided with first joint piece, be provided with the third screw connecting hole unanimous with first screw connecting hole size on 250 shell frame moulded case circuit breaker's the cavity of placing, first joint spare is for setting up in the first spacing spread groove of backplate lateral part, and when connecting the casing and installing on 250 shell frame moulded case circuit breaker, first spacing spread groove adaptable is on first joint piece, and first screw connecting hole passes through screw fixed connection with third screw connecting hole.

8. The built-in switching power supply separately controlled intelligent molded case circuit breaker of claim 7, characterized in that: first screw connection hole and second screw connection hole support mutually and lean on and integrated into one piece, the second connecting piece is including setting up in joint groove and the joint piece on backplate surface, 630 shell frame moulded case circuit breaker place be provided with on the cavity with the unanimous fourth screw connection hole of second screw connection hole size, 630 shell frame moulded case circuit breaker last place the cavity and be provided with the splice bar, contact unit insulating casing upper surface on 630 shell frame moulded case circuit breaker is provided with the spacing spread groove of second, when connecting casing and installing on 630 shell frame moulded case circuit breaker, joint groove adaptable is on the splice bar, but the joint piece joint is on the spacing spread groove of second, second screw connection hole and fourth screw connection hole pass through screw fixed connection.

Technical Field

The invention relates to the field of molded case electric appliances, in particular to an intelligent molded case circuit breaker capable of intelligently monitoring various data.

Background

Along with the development of intelligent technology and internet of things, more and more use of intelligent moulded case circuit breaker in production and daily life, it includes multinomial sensor and extranet access function usually, through the monitoring to circuit breaker each item parameter and with data transmission to the server in carry out unified monitoring, realize the real-time supervision and corresponding index of circuit breaker and gather. However, the intelligent molded case monitoring circuit breaker has the following problem when in use, because the intelligent control part in the molded case circuit breaker and the switching function of the circuit breaker are all connected in series on the same switching power supply circuit, when the circuit breaker breaks down, the intelligent control part can also break correspondingly, thereby being incapable of transmitting data to a server and ensuring the normal operation of the intelligent control part. Therefore, some manufacturers adopt an external switching power supply mode to solve the problem, and set an external switching power supply beside the circuit breaker to independently supply power to the control part, but the circuit breaker structure set in the way is extremely bloated, the adaptation degree of the circuit breaker is poor, and the circuit breaker cannot adapt to the original use environment, so that great inconvenience is brought. Therefore, how to develop a novel circuit breaker can ensure the independent power supply of the control part and does not increase the whole volume of the circuit breaker, and the circuit breaker becomes a technical problem which needs to be solved urgently.

Disclosure of Invention

In order to solve the technical problems, the intelligent control device comprises a base, an intelligent control mechanism arranged in an inner cavity of the base, a switching power supply circuit and a contact unit for controlling the breaker to be switched on and off, wherein an insulating shell is arranged outside the contact unit, a plurality of wire inlet ends are arranged outside the base, the intelligent control mechanism is integrally integrated with a breaker state switching circuit, a control circuit and a display panel, a cavity is arranged in the base and positioned at the upper part of the contact unit, the switching power supply circuit is arranged in the cavity, and the wire inlet ends and the switching power supply circuit are electrically connected through an external lead arranged in the inner cavity of the base.

After having adopted above-mentioned structure, the cavity position of the contact unit top that utilizes moulded case circuit breaker, put into switching power supply circuit, not only the adaptation degree is better, but also do not additionally increase the whole volume of circuit breaker, it is too redundant to have solved structure among the prior art, the relatively poor technical problem of adaptation nature, and in the aspect of the wiring, walk around the contact part and the switching power supply circuit lug connection of circuit breaker through external conductor between switching power supply circuit and the inlet wire end, realized because tripping operation phenomenon, control module can also continue work and upload the technical requirement of data.

As a further improvement of the invention, the external lead comprises an electrical connection sheet electrically connected with the incoming line end and a flexible lead welded on the electrical connection sheet and electrically connected with the switching power supply circuit, the flexible lead is vertically arranged in the shell, one end of the flexible lead is welded with the electrical connection sheet at the bottom of the base, and the other end of the flexible lead extends into the cavity and is electrically connected with the switching power supply circuit.

After having adopted above-mentioned structure, through walk the line and adopt electric connection piece and flexible conductor's the line mode of walking in the bottom, can the at utmost practice thrift and walk the line volume, do not influence the normal use of circuit breaker in addition, also can not influence in normal use, also can not cause the influence to external circuit because of the use to the circuit breaker.

As a further improvement of the invention, the switching power supply circuit comprises a switching power supply access socket and a switching power supply output socket, the flexible lead is plugged into the switching power supply access socket after being connected out, and the switching power supply output socket is connected with the control circuit. The access power supply of the built-in switch power supply separately controlled intelligent molded case circuit breaker is more than two phases, the wire inlet ends of the more than two phases are respectively provided with an electric connecting sheet electrically connected with the wire inlet end and a flexible wire welded and extended by the electric connecting sheet, the electric connecting sheet is spot-welded on the wire connecting end, is positioned between the bottom of the inner cavity of the base and the insulating shell of the contact unit, bends and extends to the lower part of the cavity along the shape of the insulating shell of the contact unit, and finally the flexible wire soldered on the electric connecting sheet is led to the cavity to be electrically connected with the switch power supply circuit.

After the structure is adopted, the switch power supply circuit can be ensured to output and input electric energy better. And two-phase, three-phase and four-phase power input can basically meet most use scenes.

As a further improvement of the present invention, the connecting housing includes an opening, the circuit board of the switching power supply circuit is disposed in the opening, the connecting housing can be simultaneously adapted to be connected to the 250-casing-frame molded case circuit breaker and the 630-casing-frame molded case circuit breaker, a cavity for placing the switching power supply circuit is disposed inside the 250-casing-frame molded case circuit breaker and the 630-casing-frame molded case circuit breaker, and the cavity is a placing cavity for initially placing the state switching circuit of the circuit breaker. The utility model discloses a connection casing, including the connecting casing, switch power supply circuit board, connecting casing, connecting.

After having adopted above-mentioned structure, because 250 shell frame moulded case circuit breakers and 630 shell frame moulded case circuit breakers just originally were provided with the cavity that is used for placeeing circuit breaker state switching circuit, because the intelligent technology who integrates and integrate develops gradually, current circuit breaker state switching circuit all assembles in control circuit, so, should place the cavity and will vacate. The switch power supply circuit can be placed in the placing cavity, the placing problem of the switch power supply circuit is solved, and other spaces of the circuit breaker cannot be increased and influenced.

As a further improvement of the present invention, a connecting housing for placing a circuit board of the switching power supply circuit is further disposed outside the switching power supply circuit, the connecting housing can be adapted to be connected to the 250-shell molded case circuit breaker and the 630-shell molded case circuit breaker at the same time, and the cavities of the 250-shell molded case circuit breaker and the 630-shell molded case circuit breaker are placing cavities for initially placing the circuit breaker state switching circuit. First screwed connection hole and second screwed connection hole support mutually and lean on and integrated into one piece, and 250 shell frame moulded case circuit breaker place on the cavity lateral wall vertically be provided with connect protruding muscle, be provided with the third screwed connection hole unanimous with first screwed connection hole size on 250 shell frame moulded case circuit breaker place the cavity, first joint spare is for setting up in the first spacing spread groove of backplate lateral part, when connecting the casing and installing on 250 shell frame moulded case circuit breaker, but first spacing spread groove adaptation is on connecting protruding muscle, and first screwed connection hole passes through screw fixed connection with third screwed connection hole. First screw connection hole and second screw connection hole support mutually and lean on and integrated into one piece, the second connecting piece is including setting up in joint groove and the joint piece on backplate surface, 630 shell frame moulded case circuit breaker place be provided with on the cavity with the unanimous fourth screw connection hole of second screw connection hole size, 630 shell frame moulded case circuit breaker last place the cavity and be provided with the splice bar, contact unit insulating casing upper surface on 630 shell frame moulded case circuit breaker is provided with the spacing spread groove of second, when connecting casing and installing on 630 shell frame moulded case circuit breaker, joint groove adaptable is on the splice bar, but the joint piece joint is on the spacing spread groove of second, second screw connection hole and fourth screw connection hole pass through screw fixed connection.

After having adopted above-mentioned structure, first screw connecting hole supports mutually with second screw connecting hole and leans on to be connected, because moulded case circuit breaker can divide into small-size shell frame moulded case circuit breaker and large-scale shell frame moulded case circuit breaker according to the shell frame, and how to design a connecting shell and come the moulded case circuit breaker of these two structures of adaptation simultaneously and become the technical problem that needs to solve. 250 shell frame moulded case circuit breaker and 630 shell frame moulded case circuit breaker place originally on the cavity just be provided with two screw connection holes and be used for connecting circuit breaker state switching circuit, after this cavity vacates, just can reuse originally on the cavity just two screw connection holes that exist let connect casing and circuit breaker be connected, as long as on the back of external casing the accuracy set up corresponding connection hole site can, on the other hand, because only a fixed point is the stability that can't guarantee switching power supply circuit, therefore, corresponding splice bar and joint groove have still been increased, the joint piece is mutually supported firmly with the spacing spread groove of second. This patent is not limited to the circuit breaker of 250 shell frame models and the circuit breaker of 630 shell frame models, as long as the structure of putting the cavity is unanimous with the cavity of putting of above-mentioned both circuit breakers, all falls into the protection scope of this patent.