阅读说明：本技术 一种带电流检测智能微型断路器 (Intelligent miniature circuit breaker with current detection function ) 是由 张海峰 于 2021-01-18 设计创作，主要内容包括：本发明提供了一种带电流检测智能微型断路器,属于低压断路器技术领域,其技术方案包括开关室和互感器室,所述互感器室设置于所述开关室一侧或内部,所述开关室内设置有开关模块,所述互感器室内设置有电流互感器,所述开关室和互感器室内串联有铜排或电缆,所述开关模块控制铜排或电缆内是否有电流通过,所述电流互感器检测所述铜排或电缆内的电流信号。本方案通过设置的开关室和互感器室,将开关模块和电流互感器集成为一体,使得微型断路器中集成有电流互感器,不需要再安装电流互感器,使控制柜二次线内部空间简洁,同时安装方便快捷,降低人工成本,提高工作效率。(The invention provides an intelligent miniature circuit breaker with current detection, which belongs to the technical field of low-voltage circuit breakers. This scheme is through switch room and the mutual-inductor room that sets up, and be integrated as an organic whole with switch module and current transformer for integrated among the miniature circuit breaker has current transformer, need not install current transformer again, and it is succinct to make switch board secondary line inner space, and simple to operate is swift simultaneously, reduces the cost of labor, improves work efficiency.)

1. The utility model provides a take current detection intelligence miniature circuit breaker which characterized in that: including switch room (100) and transformer room (200), transformer room (200) set up in switch room (100) one side or inside, be provided with switch module (300) in switch room (100), be provided with current transformer (400) in transformer room (200), copper bar or cable (500) have been concatenated in switch room (100) and transformer room (200), whether there is the electric current to pass through in switch module (300) control copper bar or cable (500), current transformer (400) detect current signal in copper bar or cable (500).

2. Intelligent miniature circuit breaker with current detection according to claim 1, characterized in that: one end of the switch room (100) is provided with an electric power inlet end (110), one end of the mutual inductor room (200) is provided with an electric power outlet end (210), one end of the copper bar or cable (500) is connected with the electric power inlet end (110), and the other end of the copper bar or cable is connected with the electric power outlet end (210);

the copper bar or cable (500) comprises a first cable section (510) with one end connected with the electric power incoming line end (110) and the other end connected with the incoming line end of the switch module (300), and a second cable section (520) connected with the outgoing line end of the switch module (300) and the electric power outgoing line end (210); the second cable segment (520) passes through a sensing region of the current transformer (400).

3. The intelligent miniature circuit breaker with current detection as claimed in claim 1, wherein: a signal wiring terminal (220) is arranged on the transformer room (200), and the current transformer (400) is connected with the signal wiring terminal (220);

the signal wiring terminal (220) can collect a current signal detected by the current transformer (400).

4. The intelligent miniature circuit breaker with current detection as claimed in claim 3, wherein: the circuit breaker further comprises a terminal controller (600) connected with the signal wiring terminal (220), wherein the terminal controller (600) receives a current signal of the current transformer (400) and displays the on-off condition of the switch module (300) based on the current signal.

5. The intelligent miniature circuit breaker with current detection as claimed in claim 1, wherein: the switch chamber (100) and the transformer chamber (200) are detachably connected through screws.

Technical Field

The invention belongs to the technical field of low-voltage circuit breakers, and particularly relates to an intelligent miniature circuit breaker with current detection.

Background

With the emergence of modern engineering facilities and equipment, the power consumption of all industries is rapidly increased, especially in the presence of numerous high-rise buildings and large-scale factory workshops, the power consumption requirements of national production and living are continuously increased, and the operation effect of a distribution network needs to be optimized under the condition that the society has higher requirements on power supply safety and reliability.

In the prior art, a large number of miniature circuit breakers are used at the wire outlet ends of some control cabinets, and after a large number of miniature circuit breakers are used, which miniature circuit breaker cannot be timely obtained to trip after a certain miniature circuit breaker trips.

Therefore, an independent current transformer is installed on the outer cable of each miniature circuit breaker outlet end, and the on-off state of the circuit breaker is reflected in a centralized mode by sampling current signals on the current transformers through the intelligent terminal. This conventional solution has the following drawbacks: 1. the current transformers are numerous in number and waste time in installation; 2. the current transformer is too large in size and is difficult to fix corresponding to the circuit breaker.

Disclosure of Invention

In view of the problems in the prior art, the invention aims to provide an intelligent miniature circuit breaker with current detection, which integrates a switch module and a current transformer into a whole through a switch chamber and a transformer chamber, so that the current transformer is integrated in the miniature circuit breaker, the current transformer does not need to be installed, the internal space of a secondary wire of a control cabinet is simple, the installation is convenient and fast, the labor cost is reduced, and the working efficiency is improved.

In order to achieve the above object, the present invention provides a technical solution as follows:

the utility model provides a take current detection intelligence miniature circuit breaker, includes switch room and mutual-inductor room, the mutual-inductor room set up in switch room one side or inside, be provided with switch module in the switch room, the indoor current transformer that is provided with of mutual-inductor, copper bar or cable have been established ties in switch room and the mutual-inductor room, whether there is the electric current to pass through in the switch module control copper bar or the cable, current transformer detects current signal in copper bar or the cable.

Preferably, one end of the switch chamber is provided with an electric power wire inlet end, one end of the mutual inductor chamber is provided with an electric power wire outlet end, one end of the copper bar or cable is connected with the electric power wire inlet end, and the other end of the copper bar or cable is connected with the electric power wire outlet end; the copper bar or the cable comprises a first cable section and a second cable section, wherein one end of the first cable section is connected with the electric power incoming line end, the other end of the first cable section is connected with the incoming line end of the switch module, and the second cable section is connected between the outgoing line end of the switch module and the electric power outgoing line end; the second cable segment passes through an induction region of the current transformer.

Preferably, a signal wiring terminal is arranged on the transformer chamber, and the current transformer is connected with the signal wiring terminal; the signal wiring terminal can collect current signals detected by the current transformer.

Preferably, the circuit breaker further comprises a terminal controller connected with the signal wiring terminal, and the terminal controller receives a current signal of the current transformer and displays the on-off condition of the switch module based on the current signal.

Preferably, the switch chamber and the transformer chamber are detachably connected through screws.

According to the intelligent miniature circuit breaker with the current detection, the switch module and the current transformer are respectively installed in the switch chamber and the transformer chamber through the switch chamber and the transformer chamber, the switch module controls the current to be electrified, the current transformer is used for detecting a current signal in a copper bar or a cable, the switch module and the current transformer are integrated into a whole, so that the current transformer is integrated in the miniature circuit breaker, the current transformer does not need to be installed, the internal space of a secondary line of a control cabinet is concise, the intelligent miniature circuit breaker is convenient and rapid to install, the labor cost is reduced, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent miniature circuit breaker with current detection according to the present invention;

FIG. 2 is a schematic diagram of a protruding terminal controller of an intelligent micro circuit breaker with current detection according to the present invention;

fig. 3 is a schematic structural view of a protruding transformer chamber arranged in a switch chamber in the intelligent miniature circuit breaker with current detection of the present invention.

Reference numbers in the figures:

100. a switch chamber; 110. an electric power incoming line end; 200. a transformer room; 210. an electric power outlet terminal; 220. a signal wiring terminal; 300. a switch module; 400. a current transformer; 500. copper bars or cables; 510. a first cable segment; 520. a second cable segment; 600. and a terminal controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The invention provides an intelligent miniature circuit breaker with current detection, which comprises a switch chamber 100 and a transformer chamber 200, wherein the transformer chamber 200 is arranged at one side of the switch chamber 100, a switch module 300 is arranged in the switch chamber 100, a current transformer 400 is arranged in the transformer chamber 200, copper bars or cables 500 are connected in series in the switch chamber 100 and the transformer chamber 200, the switch module 300 controls whether current passes through the copper bars or the cables 500, and the current transformer 400 detects current signals in the copper bars or the cables 500. Through the cubical switchboard 100 and the mutual-inductor room 200 that set up, install switch module 300 and current transformer 400 in switch room 100 and mutual-inductor room 200 respectively, the break-make of switch module 300 control current, current transformer 400 is used for detecting the current signal in copper bar or cable 500, through being integrated as an organic whole with switch module 300 and current transformer 400, make the integration have current transformer 400 in the miniature circuit breaker, need not install current transformer 400 again, make the switch board inner space succinct, simple to operate simultaneously, and is swift, reduce the cost of labor, and the work efficiency is improved.

An electric power inlet terminal 110 is provided at one end of the switch room 100, and an electric power outlet terminal 210 is provided at one end of the transformer room 200. One end of the copper bar or cable 500 is connected to the power inlet terminal 110, and the other end is connected to the power outlet terminal 210. The copper bar or cable 500 comprises a first cable section 510 with one end connected with the electric power incoming line end 110 and the other end connected with the incoming line end of the switch module 300, and a second cable section 520 connected with the outgoing line end of the switch module 300 and the electric power outgoing line end 210; a second cable segment 520 passes through the inductive region of the current transformer 400. Through the above connection mode, whether the copper bar or the cable 500 is electrified or not can be controlled through the arranged switch module 300. When the copper bar or the cable 500 is electrified, and current passes through the current transformer 400, the current transformer 400 acquires a current signal in the copper bar or the cable 500.

A signal wiring terminal 220 is arranged on the transformer room 200, and the current transformer 400 is connected with the signal wiring terminal 220; the signal terminal 220 can collect the current signal detected by the current transformer 400. Through the signal wiring terminal who sets up, can connect display module in signal wiring terminal 220 department, perhaps other detection module to when current transformer 400 detected current signal is unusual, judge the operating condition in the circuit.

The circuit breaker further comprises a terminal controller 600 connected with the signal connection terminal 220, wherein the terminal controller 600 receives a current signal of the current transformer 400 and displays the on-off condition of the switch module 300 based on the current signal.

The switch room 100 and the transformer room 200 are detachably connected by screws. During use, the switch module 300 or the current transformer 400 can be individually replaced.

Finally, the intelligent miniature circuit breaker with current detection is suitable for one-pole, two-pole and three-pole intelligent miniature circuit breakers.

Example 2

The invention provides an intelligent miniature circuit breaker with current detection, which is shown in figure 2 and is different from the embodiment 1 in that: the transformer room 200 is arranged inside the switch room 100.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.