CN210722907U - Circuit breaker with at least two poles - Google Patents
Circuit breaker with at least two poles Download PDFInfo
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- CN210722907U CN210722907U CN201921538318.XU CN201921538318U CN210722907U CN 210722907 U CN210722907 U CN 210722907U CN 201921538318 U CN201921538318 U CN 201921538318U CN 210722907 U CN210722907 U CN 210722907U
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- circuit breaker
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Abstract
The utility model discloses a circuit breaker with dipolar at least, which comprises an outer shell, be equipped with an at least looks utmost point in the shell, the looks utmost point includes the utmost point moving contact of looks utmost point, the static contact of looks utmost point, the utmost point explosion chamber of looks utmost point, the manual operating device of looks utmost point, the utmost point free tripping device of looks extremely, an at least overcurrent protection release and business turn over line binding post still be equipped with N utmost point, current detection component, voltage detection component and an at least electronic monitoring unit in the shell, N utmost point includes N utmost point moving contact, the static contact of N utmost point, the manual operating device of N utmost point, business turn over line binding post, be provided with the carrier communication module on the electronic monitoring unit. The utility model discloses a user side voltage, electric current, residual current, temperature, power, electric quantity and various power consumption trouble alarm information can be gathered to the circuit breaker, and degree of depth perception user side power consumption information uploads electric wire netting cloud platform with user side power consumption information, realizes timely perception, the comprehensive cover of electric wire netting thing networking user side power consumption information.
Description
Technical Field
The utility model relates to a low-voltage apparatus field, concretely relates to circuit breaker that has dipolar at least with carrier communication function.
Background
At present, the application of the internet of things to the power grid has a certain foundation, but compared with the improvement targets of holographic sensing, ubiquitous connection, open sharing and fusion innovation of ubiquitous power internet of things, the application of the internet of things has some defects. One point is that the perception depth and breadth of the user state is insufficient, the power distribution information collection coverage is incomplete, the perception of the power utilization information of the user is untimely, incomplete and not fine, and the perception coverage of the equipment state quantity and the environment quantity is insufficient; the sensing and control capabilities of distributed energy sources and various types of controllable loads are insufficient.
Disclosure of Invention
In view of the above problem, the utility model discloses a unique technical scheme, degree of depth perception user side power consumption information uploads electric wire netting cloud platform with user side power consumption information, realizes that electric wire netting thing networking user side power consumption information perception is timely, comprehensive, meticulous, enlarges equipment state volume, environmental quantity perception and covers. The intelligent miniature circuit breaker with the carrier communication function is 'ready to use' to support low-voltage fault judgment accurate to a user, provides accurate information for line fault first-aid repair, and improves lean management level of a low-voltage distribution network.
The utility model discloses mainly realize through following technical scheme:
the utility model provides a circuit breaker with dipolar at least, includes the shell, be equipped with at least one looks utmost point in the shell, the looks utmost point includes looks utmost point moving contact, looks utmost point static contact, looks utmost point explosion chamber, looks utmost point manual operation mechanism, looks utmost point free tripping device, at least one overcurrent protection release and business turn over line binding post still be equipped with N utmost point, current detection component, voltage detection component and at least one electronic monitoring unit in the shell, the N utmost point includes N utmost point moving contact, N utmost point static contact, N utmost point manual operation mechanism, business turn over line binding post, be provided with the carrier communication module on the electronic monitoring unit.
Preferably, an electric operating mechanism is further arranged in the N pole.
Preferably, the current detection element and the voltage detection element are respectively connected with the electronic monitoring unit and can transmit output signals thereof to the electronic monitoring unit, the electronic monitoring unit further comprises a control module, the control module receives signals, converts and calculates the signals and transmits the signals to the carrier communication module, and the carrier communication module is communicated with the concentrator and/or the distribution transformer monitoring terminal and/or the intelligent communication device.
Preferably, the carrier communication module receives a remote operation instruction, transmits the remote operation instruction to the control module, and transmits the remote operation instruction to an execution module arranged on the electronic monitoring unit after calculation, and the execution module drives the electric operation mechanism to execute a corresponding operation instruction.
Preferably, the carrier communication module receives a remote setting instruction and transmits the remote setting instruction to the control module, and the control module transmits the remote setting instruction to a RAM and/or a ROM arranged on the electronic monitoring unit after calculation to update a corresponding setting threshold or a program version.
Preferably, the carrier communication module has an encryption algorithm.
Preferably, the electronic monitoring unit collects the state quantity of the circuit breaker.
Preferably, the state quantity of the circuit breaker includes: closing, opening and tripping.
Preferably, the carrier communication module receives a switching-on or switching-off signal and transmits the switching-on or switching-off signal to the control module;
the control module sends an action command to drive the electric operating mechanism (14) to execute corresponding switching-on or switching-off actions;
the sensing module feeds back a corresponding signal to the control module, and the control module judges whether the action is successfully executed or not and sends corresponding action execution result information to the carrier communication module.
The utility model has the advantages as follows:
1. the circuit breaker with the carrier communication module can collect voltage, current, residual current, temperature, power, electricity quantity and various electricity utilization fault alarm information of a user side, deeply sense electricity utilization information of the user side, upload the electricity utilization information of the user side to a power grid cloud platform, realize timely, comprehensive and fine sensing of the electricity utilization information of the user side of the power grid internet of things, and enlarge sensing coverage of equipment state quantity and environment quantity;
2. the circuit breaker with carrier communication has an automatic switching-on and switching-off function;
3. the carrier communication ensures the communication quality, simultaneously avoids the problem of wall penetration, effectively avoids the problem of erection and transformation of equipment and saves the cost;
4. the circuit breaker with the carrier communication function is 'connected and used';
5. the low-voltage fault judgment accurate to the home is supported, accurate information is provided for line fault first-aid repair, and the lean management level of the low-voltage distribution network is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall structure of the circuit breaker of the present invention.
Fig. 2 is the utility model discloses a circuit breaker's the utmost point inner structure schematic diagram of N.
Fig. 3 is a schematic diagram of the internal structure of the phase pole of the circuit breaker of the present invention.
Fig. 4 is an internal schematic diagram of the circuit breaker of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Circuit breaker with carrier communication function has dipolar at least for control and upload user side power consumption information, user side power consumption information warp after the circuit breaker is handled, electric wire netting cloud platform is uploaded to the processing result. The utility model discloses a circuit breaker has functions such as automatic divide-shut brake, voltage and current detection, residual current detection, load are discerned, arc fault discernment, temperature monitoring and communication.
Referring to fig. 1 to 4, the present embodiment discloses a circuit breaker with at least two poles and a carrier communication function, where the circuit breaker includes an N pole 1, at least one phase pole 2, and a housing 3, and the N pole 1 and the at least one phase pole 2 are disposed in the housing 3. An N pole moving contact 11, an N pole static contact 12, an N pole manual operating mechanism 13, an electric operating mechanism 14 and an N pole wire inlet and outlet connecting terminal 15 are arranged in the N pole; the electric operating mechanism 14 includes a motor 141 and a gear set 142, the motor 141 drives the gear set 142 in a forward and reverse rotation manner after receiving an instruction, the gear set 142 drives the handle 131, and further drives the N-pole manual operating mechanism 13 to drive the N-pole moving contact 11 to be disconnected from or closed to the N-pole static contact 12, so that an automatic opening and closing of the circuit breaker is realized.
As shown in fig. 3, a phase pole moving contact 21, a phase pole stationary contact 22, a phase pole arc extinguish chamber 23, a phase pole manual operating mechanism 24, a phase pole free tripping mechanism 25, at least one overcurrent protection release 26, and an incoming and outgoing line connecting terminal 27 are arranged in the phase pole 2. The phase pole manual operation mechanism 24 can drive the phase pole moving contact 21 and the phase pole fixed contact 22 to be closed or opened, so that the opening or closing of the circuit breaker is realized. When the phase moving contact 21 and the phase stationary contact 22 are disconnected, the arc generated during the disconnection can be cooled and cut in the phase arc extinguishing chamber 23, so as to achieve the purpose of arc extinguishing. The phase pole free tripping mechanism 25 can disconnect the phase pole moving contact 21 and the phase pole fixed contact 22 when the circuit breaker encounters faults such as overload, short circuit and the like, so that the purpose of protecting the circuit breaker is achieved, and in addition, the phase pole free tripping mechanism 25 has an instantaneous and delayed tripping protection function. The overcurrent protection release 26 can ensure that the circuit breaker can be quickly disconnected when a large current occurs, and the accident range is prevented from being enlarged.
As shown in fig. 4, the housing 3 formed by the N pole 1 and the at least one phase pole 2 further includes a current detection element 4, a voltage detection element 5, and at least one electronic monitoring unit 6, and the electronic monitoring unit 6 is provided with a carrier communication module 61. The carrier communication module 61 can save communication wiring by means of carrier communication or injecting a high-frequency signal into the conductive wire, and electric energy transmission and communication transmission are realized by sharing the conductive wire. The electronic monitoring unit 6 further comprises a control module 62 and an execution module 63, output signals of the current detection element 4 and the voltage detection element 5 are respectively transmitted to the electronic monitoring unit 6, the output signals are transmitted to the carrier communication module 61 after being converted and calculated by the control module 62 arranged on the electronic monitoring unit 6, and the carrier communication module 61 is communicated with a concentrator and/or a distribution transformer monitoring terminal and/or an intelligent communication device.
The control module 62 includes at least one integrated circuit and has a data processing and operation function, output signals of the current detection element 4 and the voltage detection element 5 are converted into analog quantity through analog-to-digital conversion, so that the control module 62 can perform analysis processing such as fourier transform, wavelet transform, edge calculation and the like, and then can effectively identify the input or exit of a certain electric device by capturing load power change, and further obtain the power consumption proportion of each electric device in the load, and in addition, data processed by the control module 62 can be uploaded to a power grid cloud platform.
Specifically, the current detection element 4 includes at least one of a current transformer, a current sensor, or a zero sequence current transformer, and the detected signal includes the user-side main circuit current and the residual current information. The voltage detection element 5 is connected to the main loop to measure the loop voltage, and the detected signal comprises the user side voltage. The control module 62 can decompose and combine the detected signals of current, residual current, voltage, etc. and obtain information of power, electric quantity, non-invasive load identification, arc fault identification, etc. through calculation of preset values. The intelligent circuit breaker with the carrier communication function can avoid accidents such as fire, electric shock, explosion, electric shock and the like caused by circuit hidden dangers to a certain degree by transmitting the information and combining the algorithm of a superior platform.
The carrier communication module 61 can receive a remote operation instruction, the remote operation instruction is transmitted to the control module 62, the control module 62 calculates the remote operation instruction and transmits the remote operation instruction to the execution module 63 arranged on the electronic monitoring unit 6, and the execution module 63 drives the electric operation mechanism 14 to execute the corresponding operation instruction.
Further, the carrier communication module 61 receives a remote setting instruction and transmits the remote setting instruction to the control module 62, and the control module 62 calculates the remote setting instruction and transmits the remote setting instruction to the RAM/ROM provided on the electronic monitoring unit 6 to update the corresponding setting threshold or program version.
The carrier communication module 61 has an encryption algorithm, and is configured to encrypt the detection information of the current detection element 4 and the voltage detection element 5, transmit the encrypted detection information to an upper level (the concentrator and/or the distribution transformer monitoring terminal and/or the intelligent communication device), receive information and/or instructions transmitted by the upper level (the concentrator and/or the distribution transformer monitoring terminal and/or the intelligent communication device), and perform at least one of decryption, signature verification, identity authentication, access right control and communication line protection operation according to the received information and/or instructions.
When the short-circuit fault happens to the circuit, the output signal of current detection component 4 and voltage detection component 5 can be given control module 62 that sets up on the electronic monitoring unit 6 for, and control module 62 calculates the back and gives execution module 63 that sets up on the electronic monitoring unit 6 for, execution module 63 drives electric operating mechanism 14 carries out the separating brake action, and carrier communication module 61 transmits the short-circuit fault signal and gives electric wire netting cloud platform simultaneously, and when electric wire netting fault was salvageed, can be accurate to the family, accurate location accident position, the intelligent circuit breaker who has the carrier communication function can promote the low pressure and join in marriage net lean management level.
When the circuit has overvoltage or undervoltage faults, output signals of the current detection element 4 and the voltage detection element 5 can be transmitted to a control module 62 arranged on the electronic monitoring unit 6, the control module 62 calculates and transmits the output signals to an execution module 63 arranged on the electronic monitoring unit 6, the execution module 63 drives the electric operating mechanism 14 to execute a brake-separating action, and meanwhile, the carrier communication 61 transmits a short-circuit fault signal to the power grid cloud platform. After the voltage is recovered, output signals of the current detection element 4 and the voltage detection element 5 are transmitted to the control module 62, the control module 62 calculates and transmits the output signals to an execution module 63 arranged on the electronic monitoring unit 6, the execution module 63 drives the electric operating mechanism 14 to execute a closing action, and a detection signal in a fault process is transmitted to a power grid cloud platform through the carrier communication 61.
The circuit breaker is also internally provided with a sensing module 7, and the sensing module 7 comprises a temperature sensor. Temperature sensor can monitor the temperature of key electric contact, and transmits for control module 62 handles, if exceed the early warning value, carrier communication module 61 can give the electric wire netting cloud platform with the signal transmission and carry out the trouble early warning suggestion, if the temperature if exceed the alarm protection value, control module 62 with signal transmission for execution module 63, execution module 63 drives electric operating mechanism 14 and carries out the action of separating brake to protection circuit safety avoids electrical reason to take place the conflagration, causes personnel's injury or loss of property. In conclusion, the temperature information is provided, so that related personnel can intervene before a fire disaster or explosion happens, and a disaster is avoided.
The electronic monitoring unit 6 can acquire the state quantity of the intelligent circuit breaker; the state quantities include opening, closing and tripping, such as whether the phase moving contact 21 and the phase stationary contact 22 are in contact or not, and transmit the feedback electric signals to the control module 62 of the electronic monitoring unit 6.
The carrier communication module 61 effectively avoids the erection and transformation problems of equipment by adopting a carrier communication mode, and saves the cost.
According to different frequency bands, power line carrier communication is divided into two types: broadband power line carrier communications and narrowband power line communications. The frequency band used by the narrow-band power line communication technology is 10 kHz-500 kHz, and the frequency band used by the wide-band power line communication technology is 2 MHz-20 MHz. Compared with the original narrowband power line carrier communication, the broadband technology has great advantages:
1. the low-voltage power line broadband carrier routing design is more reasonable, and the channel construction investment is relatively low.
2. The low-voltage power line broadband carrier has the advantages of wide channel bandwidth, high transmission rate and better performance than a narrowband carrier.
3. The transmission frequency band of the low-voltage power line broadband carrier is not limited, and the frequency band within the bandwidth range is self-adaptive.
4. The low-voltage power line broadband carrier is slightly interfered by an external power network, the interference frequency band of the low-voltage power line carrier is limited below 1MHz, the low-voltage power line broadband carrier is established in the bandwidth above 1MHz, the basic frequency band is 1 MHz-20 MHz, and the extended frequency band is 3 MHz-100 MHz, so that the technology can effectively avoid the interference to the outside. The carrier communication ensures the communication quality and avoids the problem of wall penetration. Therefore, the power line carrier communication is the best choice for the communication mode in the power system.
When the intelligent circuit breaker with the carrier communication function is used with a prepayment electric energy meter in a matched mode, when the balance of the prepayment electric energy meter is insufficient, the intelligent WeChat circuit breaker with the carrier communication function trips, the signal transmission process is that the balance insufficiency information of the electricity consumption meter is transmitted to a control module 62 arranged on an electronic monitoring unit 6, the control module 62 calculates the balance and transmits the balance insufficiency information to an execution module 63 arranged on the electronic monitoring unit 6, an electric operating mechanism 14 is driven to execute a brake separating action, and meanwhile, the carrier communication 61 transmits an arrearage signal to a power grid cloud platform. When electricity is continuously purchased and the prepayment electric energy meter is recharged, the recharging information is transmitted to the control module 62, the control module 62 calculates the recharging information and transmits the recharging information to the execution module 63 arranged on the electronic monitoring unit 6, and the execution module 63 drives the electric operating mechanism 14 to execute the closing action and recover the electric power. And the arrearage recharging information in the power failure and recovery process is transmitted to the power grid cloud platform through carrier communication 61. The intelligent miniature circuit breaker with the carrier communication function is matched with the prepayment electric energy meter for use to realize arrearage tripping and power restoration after continuous purchasing.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The present embodiments are 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.
The above is merely a preferred embodiment of the present invention, and those skilled in the art can make various changes or modifications to the embodiment of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (9)
1. A circuit breaker with at least two poles comprises a housing (3), at least one phase pole (2) is arranged in the housing (3), the phase pole (2) comprises a phase pole moving contact (21), a phase pole static contact (22), a phase pole arc extinguish chamber (23), a phase pole manual operation mechanism (24), a phase pole free tripping mechanism (25), at least one overcurrent protection tripper (26) and a wire inlet and outlet connecting terminal (27), an N pole (1), a current detection element (4), a voltage detection element (5) and at least one electronic monitoring unit (6) are also arranged in the shell (3), the N pole (1) comprises an N pole moving contact (11), an N pole static contact (12), an N pole manual operation mechanism (13) and a wire inlet and outlet connecting terminal (15), the system is characterized in that a carrier communication module (61) is arranged on the electronic monitoring unit (6).
2. A circuit breaker with at least two poles according to claim 1, characterized in that an electrically operated mechanism (14) is also provided in the N pole (1).
3. A circuit breaker according to claim 1 or 2, having at least two poles, characterized in that: the current detection element (4) and the voltage detection element (5) are respectively connected with the electronic monitoring unit (6) and can transmit output signals of the current detection element and the voltage detection element to the electronic monitoring unit (6), the electronic monitoring unit (6) further comprises a control module (62), the control module (62) receives signals, converts and calculates the signals and transmits the signals to the carrier communication module (61), and the carrier communication module (61) is communicated with a concentrator and/or a distribution transformer monitoring terminal and/or an intelligent communication device.
4. A circuit breaker according to claim 3 having at least two poles, characterized in that: the carrier communication module (61) receives a remote operation instruction, transmits the remote operation instruction to the control module (62), and transmits the remote operation instruction to an execution module (63) arranged on the electronic monitoring unit (6) after calculation, wherein the execution module (63) drives the electric operation mechanism (14) to execute a corresponding operation instruction.
5. A circuit breaker according to claim 3 having at least two poles, characterized in that: the carrier communication module (61) receives a remote setting instruction and transmits the remote setting instruction to the control module (62), and the control module (62) calculates the remote setting instruction and transmits the remote setting instruction to the RAM and/or the ROM arranged on the electronic monitoring unit (6) to update the corresponding setting threshold or program version.
6. A circuit breaker according to claim 1, having at least two poles, characterized in that: the carrier communication module (61) has an encryption algorithm.
7. A circuit breaker according to claim 1, having at least two poles, characterized in that: the electronic monitoring unit (6) collects the state quantity of the circuit breaker.
8. A circuit breaker with at least two poles according to claim 7, characterized in that the state quantities of the circuit breaker comprise: closing, opening and tripping.
9. A circuit breaker according to claim 3 having at least two poles, characterized in that: the carrier communication module (61) receives a switching-on or switching-off signal and transmits the switching-on or switching-off signal to the control module (62);
the control module (62) sends an action command to drive the electric operating mechanism (14) to execute corresponding switching-on or switching-off actions;
the sensing module (7) feeds back corresponding signals to the control module (62), and the control module (62) judges whether the action is executed successfully or not and sends corresponding action execution result information to the carrier communication module (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538318.XU CN210722907U (en) | 2019-09-17 | 2019-09-17 | Circuit breaker with at least two poles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921538318.XU CN210722907U (en) | 2019-09-17 | 2019-09-17 | Circuit breaker with at least two poles |
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| Publication Number | Publication Date |
|---|---|
| CN210722907U true CN210722907U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921538318.XU Active CN210722907U (en) | 2019-09-17 | 2019-09-17 | Circuit breaker with at least two poles |
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| CN (1) | CN210722907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740501A (en) * | 2020-07-23 | 2020-10-02 | 国网天津市电力公司 | Subentry metering circuit breaker device based on non-invasive technology |
-
2019
- 2019-09-17 CN CN201921538318.XU patent/CN210722907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740501A (en) * | 2020-07-23 | 2020-10-02 | 国网天津市电力公司 | Subentry metering circuit breaker device based on non-invasive technology |
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