CN112965006B - Intelligent circuit breaker of long-range networking - Google Patents
Intelligent circuit breaker of long-range networking Download PDFInfo
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- CN112965006B CN112965006B CN202110157109.6A CN202110157109A CN112965006B CN 112965006 B CN112965006 B CN 112965006B CN 202110157109 A CN202110157109 A CN 202110157109A CN 112965006 B CN112965006 B CN 112965006B
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- circuit breaker
- module
- circuit
- processing chip
- push rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/55—Testing for incorrect line connections
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Breakers (AREA)
Abstract
The invention discloses a remote networking intelligent circuit breaker, which comprises a circuit breaker shell, wherein a circuit board, a circuit breaking module and a communication module are arranged in the circuit breaker shell, a processing chip is arranged on the circuit board, the communication module is connected with the processing chip, a plurality of circuit breakers are connected with collectors through the communication module, a plurality of collectors are connected with a concentrator, the concentrator is provided with an internet connection module, and the concentrator is connected with a server; the circuit breaking module comprises a bimetallic trip assembly and an overcurrent release, a push rod is arranged in the overcurrent release, a tact switch is arranged below the push rod, and the tact switch is connected with the processing chip. The scheme realizes the detection of whether the short circuit condition is detected by judging the on-off state of the tact switch, the detection method is simple, the condition can be sent to a remote end, a user or a maintenance worker can know the condition from the remote end, the condition needing to be checked is avoided, and the method is efficient and trouble-saving.
Description
The application is a divisional application, the original application has the application number of 201910324872.6, the application date of 2019 is 04 and 22, and the application name is as follows: a circuit detection method and equipment based on an intelligent leakage monitoring miniature circuit breaker.
Technical Field
The invention relates to the field of intelligent circuit breakers, in particular to a remote networking intelligent circuit breaker.
Background
The circuit breaker is used for playing a role in disconnecting a circuit power supply when a circuit is abnormal (such as overload, short circuit, electric leakage and the like), and avoids damage or potential safety hazard caused by continuous power supply to following electrical appliances. The intelligent circuit breaker is provided with an intelligent chip (such as a single chip microcomputer) in the circuit breaker, so that control or state acquisition of the circuit breaker is achieved. However, the existing intelligent circuit breaker cannot judge the states under different circuit breaking conditions, and the existing intelligent circuit breaker also needs to manually troubleshoot faults, and is time-consuming and labor-consuming.
Disclosure of Invention
Therefore, the intelligent circuit breaker with the remote networking function needs to be provided, and the problems that the existing circuit breaker cannot judge the states of different circuit breaking conditions and needs manual troubleshooting, and time and labor are consumed are solved.
In order to achieve the above purpose, the inventor provides a remote networking intelligent circuit breaker, the circuit breaker comprises a circuit breaker shell, a circuit board, a circuit breaking module and a communication module are arranged in the circuit breaker shell, a processing chip is arranged on the circuit board, the communication module is connected with the processing chip, a plurality of circuit breakers are connected with collectors through the communication module, a plurality of collectors are connected with a concentrator, the concentrator is provided with an internet connection module, and the concentrator is connected with a server; the circuit breaking module comprises a bimetallic trip assembly and an overcurrent trip, a push rod is arranged in the overcurrent trip, a tact switch is arranged below the push rod and is connected with the processing chip, the force required by pressing the tact switch is smaller than the gravity of the push rod, when the instantaneous current is too large, a coil of the overcurrent trip can generate a magnetic field to push the push rod to push upwards, so that the bimetallic trip assembly is tripped, and then the circuit is broken; the processing chip is used for acquiring the state of a light touch switch arranged below a push rod of the overcurrent release and sending a short-circuit signal to the collector through the communication module when the state of the light touch switch is from pressing to loosening.
Furthermore, the circuit board is also provided with an electrifying detection module, and the electrifying detection module is connected with the processing chip.
Furthermore, the power-on detection module comprises an optical coupler, the input end of the optical coupler is connected with a wire outlet terminal of the circuit breaker, and the output end of the optical coupler is connected with the processing chip.
Furthermore, the device also comprises a leakage current module which is connected with the processing chip.
Furthermore, the device also comprises a trip coil, and the trip coil is connected with the processing chip.
Furthermore, the device also comprises a trial jump button, wherein the trial jump button is connected with a trial jump detection switch, and the trial jump detection switch is connected with the processing chip.
Furthermore, the device also comprises a current detection module, wherein the current detection module is connected with the processing chip and is used for detecting the circuit current.
Furthermore, the temperature sensor is arranged near the neutral wire inlet terminal and connected with the processing chip.
Further, the communication module is a bluetooth module.
Further, the concentrator is connected with the collector through power carrier waves.
The short-circuit detection method is characterized in that the detection of whether the short-circuit condition exists is achieved by judging the on-off state of the tact switch, the detection method is simple, the condition can be sent to a remote end, a user or a maintenance worker can know the condition from the remote end, the condition needing to be checked is avoided, and the method is efficient and trouble-saving.
Drawings
FIG. 1 is a flow diagram of a method according to an embodiment;
fig. 2 is a schematic diagram of an internal structure of the circuit breaker according to the embodiment;
FIG. 3 is a flow chart of a method according to another embodiment;
FIG. 4 is a circuit diagram of a circuit breaker closed detection module;
FIG. 5 is a circuit diagram of leakage current detection;
FIG. 6 is a circuit diagram of circuit current sensing;
fig. 7 is a schematic front view of the circuit breaker;
fig. 8 is a topology diagram of a circuit breaker and a concentrator.
Description of reference numerals:
1. a circuit breaker housing;
2. a circuit board;
3. a circuit breaking module;
4. a mains supply wiring terminal;
40. a live line incoming terminal;
41. a live wire outlet terminal;
42. a zero line incoming terminal;
43. a zero line outgoing terminal;
30. an overcurrent release;
31. a push rod;
32. a tact switch;
5. marking a zero line;
6. a temperature sensor.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 8, the present embodiment provides a remote networked intelligent circuit breaker, which is applied to a processing chip of the circuit breaker, where the processing chip may be a chip with a processing function, such as a single chip microcomputer. The structure of the circuit breaker can be as shown in fig. 2, the circuit breaker comprises a circuit breaker shell 1, a circuit board 2, a circuit breaking module 3 and a mains supply wiring terminal 4 are arranged in the circuit breaker shell, and a processing chip can be arranged on the circuit board, so that an intelligent circuit breaker is formed. The commercial power terminal generally comprises an upper terminal 40, a live wire terminal 41, a zero line terminal 42 and a zero line terminal 43, wherein the upper terminal (the live wire terminal 40 and the zero line terminal 42) generally serves as external commercial power input, and the lower terminal (the live wire terminal 41 and the zero line terminal 43) generally serves as power supply for places such as families. The circuit breaking module 3 is used for realizing the on-off of the commercial power wiring terminal 4, when the circuit breaking module is closed, the two wiring terminals above and the two wiring terminals below can be respectively conducted, and under the abnormal condition, the circuit breaking module 3 can realize the disconnection of the wiring terminals. The circuit breaking module can realize one or more functions of overload, circuit breaking, electric leakage and the like. The basic principle of the disconnection module is the prior art and is not described in detail here. When the short circuit is broken, the breaking module is generally realized by a bimetallic trip assembly and an overcurrent release 30, and a push rod 31 is arranged in the overcurrent release. When the instantaneous current is overlarge, a coil of the overcurrent release can generate a magnetic field to push the push rod to push upwards, so that the bimetal release assembly is released, and then a circuit is disconnected. In order to realize the detection of the short-circuit state, the invention firstly arranges a tact switch 32 below the push rod, and the tact switch is connected with the processing chip. In order to achieve the depression of the tact switch, the force required for the depression of the tact switch should be smaller than the gravity of the push lever.
During detection, as shown in fig. 1, the method of the invention comprises the following steps: step S101, acquiring a light touch switch state arranged below a push rod of an overcurrent release; step S102 is to send a short-circuit signal to the remote end through the communication module when the light touch switch is pressed to be released. Under normal conditions, the tact switch is pressed by the push rod, and according to the difference of the tact switch, such as a normally open switch or a normally closed switch, the tact switch is correspondingly closed and opened when pressed. When short circuit occurs, the pushing rod pushes upwards, and the state of the tact switch enters the opposite state, namely the state is pressed to enter the normal state of loosening. Through the change state that detects the tact switch, can judge that the circuit breaker is in the short circuit state, and then the state can be sent to the remote end, and user or maintainer can know after the circuit breaker takes place to break off because the disconnection that the short circuit produced like this, avoid need to investigate whether it is circumstances such as electric leakage, overload or short circuit, have improved efficiency.
In order to avoid misjudgment when the circuit breaker is not powered on, the steps may further include: step S301 obtains the light touch switch state arranged below the push rod of the overcurrent release, step S302 detects whether the breaker is closed through the electrifying detection module, and step S103 sends a short circuit signal to the remote end through the communication module when the light touch switch state is pressed to be released in the closed state. The power-on detection module may be a circuit module as shown in fig. 4, and this circuit module may also be disposed on a circuit board. Through opto-coupler and two leading-out terminal interconnect, when the circuit breaker closed, two leading-out terminals can with commercial power connection, then interface J19 can with commercial power connection, the opto-coupler is lighted, KK _ STATE becomes the high level. After closing, if the tact switch is released from pressing, a short-circuit condition is indicated, and then a short-circuit signal is sent. Otherwise, the short-circuit signal is not sent when the state of the tact switch is not changed or the breaker is not closed, so that the signal is prevented from being sent by mistake.
In order to realize multiple functions of the circuit breaker, the embodiment further comprises the following steps: in step S304, leakage current data is acquired by the leakage current module, filtered by an RC (resistance-voltage) filter, and sent to the processing chip, and subjected to AD (analog-to-digital) conversion in the processing chip, and then the leakage current data is sent to the remote end by the communication module. The leakage current module may be a circuit module as shown in fig. 5, and the circuit module may be disposed on a circuit board. The ZCTs 3 and 4 are respectively connected with the secondary side of the leakage current transformer, then the voltages of the I2P and the I2N are sampled, and then the voltages are converted into current data, so that leakage current data can be respectively collected. Therefore, the processing chip can know the leakage current condition and send the leakage current condition to the remote end through the communication module, and a remote user or maintenance personnel can know the leakage current condition.
In some embodiments, in order to implement automatic power off when the leakage current is too large, the method further includes step S305 of detecting whether leakage current data is greater than a leakage current preset value, and if the leakage current data is greater than the leakage current preset value, driving a push rod of a trip coil to generate upward thrust, so that the bimetallic trip assembly trips, and the circuit breaking module implements opening, and generally needs to send a leakage current alarm signal to a remote end to remind a user or a maintenance person of sending a leakage current trip condition. In some embodiments, the remote end may send the leakage current preset value to the processing chip, and then may change the preset value, and in contrast to the existing leakage protector with a fixed preset value, this embodiment may implement adaptation to different situations in different scenarios.
The circuit breaker still generally has the electric leakage and tries jumping the function, presses down and tries jumping the button after, and the circuit breaker can be because of the electric leakage tripping operation, can detect like this that the electric leakage function is normal. The method comprises the steps of obtaining a trial jump state through a trial jump detection switch arranged behind a trial jump button, if the trial jump state is achieved and leakage current data are larger than a leakage current preset value, not sending a leakage current alarm signal to a remote end through a communication module, and otherwise, if the leakage current data are larger than the leakage current preset value and not in the trial jump state, sending the leakage current alarm signal to the remote end through the communication module. The trial jump detection switch can be directly arranged behind the trial jump button, so that when the trial jump button is pressed down, the trial jump detection switch can be switched on and detected by the processing chip, the current trial jump state can be known, and the phenomenon that a leakage current alarm signal is sent by mistake to cause user trouble is avoided.
In order to implement overload detection, this embodiment further includes, on the basis of any of the above embodiments, the steps of: whether the circuit current signal is larger than the circuit current preset value or not is detected through the current detection module, if the circuit current signal is larger than the circuit current preset value, the push rod of the tripping coil is driven to generate upward thrust, the bimetallic tripping assembly is tripped, and the circuit breaking module realizes brake separation. As shown in FIG. 6, the current detection modules I-1 and I +1 are respectively connected to the secondary side of the current transformer, and the sampled voltages I1P and I1N are sent to the processing chip for processing.
In order to realize the detection of the reverse docking, the method further comprises the following steps: temperature signals are obtained through a temperature sensor arranged near a zero line incoming line terminal, the temperature signals are sent to a remote end through a communication module, and a reverse connection alarm signal is sent to the remote end after the temperature signals are larger than a preset temperature value. Generally, a circuit breaker is identified on the surface of the circuit breaker to distinguish between a neutral line and a live line. As shown in fig. 7, with a neutral flag 5 on the circuit breaker, a temperature sensor 6 may be provided near the neutral inlet terminal. When the circuit is reversely connected, the temperature at the zero line can rise, so that the detection of reverse connection can be realized, and the safety of the circuit is ensured.
In all the above embodiments, the communication module is a module for implementing remote communication, and may be a wired or wireless communication module, and preferably, the communication module is a bluetooth module, so that the power consumption is low and the cost is low. The remote end can be a remote server, a remote palm device such as a mobile phone and the like.
In order to realize the centralized forwarding of information and avoid that each breaker needs an independent networking module to send to a remote end, as shown in fig. 8, the remote end is a concentrator connected with a collector through power carrier, and the collector sends to the concentrator through power carrier after receiving the information of a processing chip through a bluetooth module. The collector can be a device with a processing chip, can receive, process and forward information, and can store data reported by the circuit breaker first and then send the data to the concentrator in a unified way after a period of time. The concentrator is provided with an internet connection module, connection with the server can be achieved, the concentrator sends information to the server in a centralized mode, and therefore the server can analyze and process data. Through such a structure, the internet connection module of each breaker can be saved, and the cost is reduced.
The invention also provides an electronic device comprising a memory and a processor, wherein the memory is stored with a computer program, and the computer program realizes the steps of the method when being executed by the processor. The storage medium of the present embodiment may be a storage medium provided in an electronic device, and the electronic device may read the content of the storage medium and achieve the effects of the present invention. The storage medium may also be a separate storage medium, which is connected to the electronic device, and the electronic device may read the content of the storage medium and implement the method steps of the present invention.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (10)
1. The remote networking intelligent circuit breaker is characterized by comprising a circuit breaker shell, wherein a circuit board, a circuit breaking module and a communication module are arranged in the circuit breaker shell, a processing chip is arranged on the circuit board, the communication module is connected with the processing chip, a plurality of circuit breakers are connected with collectors through the communication module, a plurality of collectors are connected with a concentrator, the concentrator is provided with an internet connection module, and the concentrator is connected with a server; the circuit breaking module comprises a bimetallic trip assembly and an overcurrent trip, a push rod is arranged in the overcurrent trip, a tact switch is arranged below the push rod and is connected with the processing chip, the force required by pressing the tact switch is smaller than the gravity of the push rod, when the instantaneous current is too large, a coil of the overcurrent trip can generate a magnetic field to push the push rod to push upwards, so that the bimetallic trip assembly is tripped, and then the circuit is broken; the processing chip is used for acquiring the state of a light touch switch arranged below a push rod of the overcurrent release and sending a short-circuit signal to the collector through the communication module when the state of the light touch switch is from pressing to loosening.
2. The remotely networked intelligent circuit breaker as recited in claim 1, wherein the circuit board is further provided with a power-on detection module, and the power-on detection module is connected with the processing chip.
3. The remote networked intelligent circuit breaker according to claim 2, wherein the power-on detection module comprises an optocoupler, an input end of the optocoupler is connected with a wire outlet terminal of the circuit breaker, and an output end of the optocoupler is connected with the processing chip.
4. The remotely networked intelligent circuit breaker as recited in claim 1, further comprising a leakage current module, the leakage current module being coupled to the processing chip.
5. The remotely networked intelligent circuit breaker as recited in claim 4, further comprising a trip coil, the trip coil being coupled to the processing chip.
6. The remote networked intelligent circuit breaker according to claim 4, further comprising a trial jump button, wherein the trial jump button is connected with a trial jump detection switch, and the trial jump detection switch is connected with the processing chip.
7. The remotely networked intelligent circuit breaker as recited in claim 1, further comprising a current sensing module, the current sensing module being coupled to the processing chip, the current sensing module being configured to sense a circuit current.
8. The remotely networked intelligent circuit breaker as recited in claim 1, further comprising a temperature sensor disposed proximate the neutral input terminal, the temperature sensor coupled to the processing chip.
9. The remotely networked smart circuit breaker as recited in any one of claims 1 to 8, wherein the communication module is a bluetooth module.
10. The remotely networked intelligent circuit breaker as recited in claim 1, wherein the concentrator and collector are connected via a power carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110157109.6A CN112965006B (en) | 2019-04-22 | 2019-04-22 | Intelligent circuit breaker of long-range networking |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910324872.6A CN110031719B (en) | 2019-04-22 | 2019-04-22 | Circuit detection method and device based on intelligent leakage monitoring miniature circuit breaker |
| CN202110157109.6A CN112965006B (en) | 2019-04-22 | 2019-04-22 | Intelligent circuit breaker of long-range networking |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910324872.6A Division CN110031719B (en) | 2019-04-22 | 2019-04-22 | Circuit detection method and device based on intelligent leakage monitoring miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112965006A CN112965006A (en) | 2021-06-15 |
| CN112965006B true CN112965006B (en) | 2022-04-01 |
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| CN202110157109.6A Active CN112965006B (en) | 2019-04-22 | 2019-04-22 | Intelligent circuit breaker of long-range networking |
| CN202110156476.4A Active CN112924899B (en) | 2019-04-22 | 2019-04-22 | Intelligent circuit breaker with short circuit detection function |
| CN201910324872.6A Active CN110031719B (en) | 2019-04-22 | 2019-04-22 | Circuit detection method and device based on intelligent leakage monitoring miniature circuit breaker |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110156476.4A Active CN112924899B (en) | 2019-04-22 | 2019-04-22 | Intelligent circuit breaker with short circuit detection function |
| CN201910324872.6A Active CN110031719B (en) | 2019-04-22 | 2019-04-22 | Circuit detection method and device based on intelligent leakage monitoring miniature circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067983A (en) * | 2020-09-01 | 2020-12-11 | 恺信国际检测认证有限公司 | Micro-breaking testing device and system for aerospace equipment |
| CN114362092B (en) * | 2021-12-14 | 2024-06-07 | 深圳拓邦股份有限公司 | Load short-circuit protection circuit and electronic equipment |
| CN117092500B (en) * | 2023-10-17 | 2023-12-29 | 甘肃尼特智能科技有限公司 | Circuit breaker reliability detection device |
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| CN101106044A (en) * | 2007-08-21 | 2008-01-16 | 万家盛 | Shunt release capable of detecting working state of circuit breaker |
| CN204559090U (en) * | 2015-04-10 | 2015-08-12 | 厦门宏发开关设备有限公司 | A kind of small-size multifunction intelligent breaker |
| CN105702535A (en) * | 2016-03-30 | 2016-06-22 | 浙江天正电气股份有限公司 | Residual-current circuit breaker |
| CN107437485A (en) * | 2016-05-27 | 2017-12-05 | 乐星产电(无锡)有限公司 | Overload-alarm electrical apparatus release and breaker |
| CN206022257U (en) * | 2016-09-27 | 2017-03-15 | 福建通力达实业有限公司 | Intelligent leakage circuit breaker |
| WO2018217883A2 (en) * | 2017-05-23 | 2018-11-29 | Pass & Seymour, Inc. | Arc fault circuit interrupter |
| CN108231498A (en) * | 2017-12-30 | 2018-06-29 | 广东立信防雷科技有限公司 | A kind of tripping mechanism and the surge protector for being equipped with the tripping mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112965006A (en) | 2021-06-15 |
| CN112924899B (en) | 2022-04-05 |
| CN110031719B (en) | 2021-02-12 |
| CN112924899A (en) | 2021-06-08 |
| CN110031719A (en) | 2019-07-19 |
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