CN217063267U - Low-voltage distribution protection system - Google Patents
Low-voltage distribution protection system Download PDFInfo
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- CN217063267U CN217063267U CN202122973315.2U CN202122973315U CN217063267U CN 217063267 U CN217063267 U CN 217063267U CN 202122973315 U CN202122973315 U CN 202122973315U CN 217063267 U CN217063267 U CN 217063267U
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Abstract
The utility model provides a low-voltage power distribution protection system, which comprises a switch device, a superior information management device and a monitoring station; the number of the switch devices is multiple, the switch devices are in communication connection with the superior information management device, and the switch devices are in communication connection with the monitoring station. The problem of current switching device can only protect single return circuit, can not realize whole distribution system's protection is solved. Through with a plurality of switching device and higher level information management device communication connection to switching device can be connected with the control station communication, realizes that a plurality of switching device can remote communication control simultaneously, realizes the safety control to whole distribution system, improves whole low voltage distribution system's factor of safety.
Description
Technical Field
The utility model belongs to the technical field of power electrical equipment, concretely relates to low pressure distribution protection system.
Background
Switching devices such as circuit breakers and contactors are used as main protective devices in a circuit of a low-voltage distribution system, and can perform intelligent protection such as short-circuit protection and overload protection on a load in a corresponding circuit. When current switching devices such as circuit breaker or contactor protect the return circuit, because whole distribution system has a plurality of return circuits, the switching device in a plurality of return circuits protects alone respectively, can't form systematic protection, leads to the unable judgement of whole condition of whole distribution protection system, has the poor problem of protection effect.
Disclosure of Invention
An object of the utility model is to overcome the defect among the prior art, solved current switching device and can only protect single return circuit, can't realize the problem of whole distribution system's protection.
In order to achieve the above purpose, the utility model provides a low-voltage power distribution protection system, which comprises a switch device, a superior information management device and a monitoring station;
the number of the switch devices is multiple, the switch devices are in communication connection with the superior information management device, and the switch devices are in communication connection with the monitoring station.
Further, the system also comprises a mobile device;
a plurality of the switch devices are in communicative connection with the mobile device.
Further, a plurality of the switch devices are connected with the mobile device through Bluetooth communication.
Optionally, the system further comprises a communication device;
the plurality of switch devices are all connected with the communication device, the communication device is in communication connection with the superior information management device, and the communication device is in communication connection with the monitoring station.
Further, a plurality of the switch devices are connected in a communication mode.
Optionally, a plurality of the switch devices are connected through an I2C bus communication.
Optionally, the switch device and the superior information management device are connected through a 485 bus, a CAN bus, a CANFD bus, or LoRa wireless communication, or carrier communication, or 4G/5G wireless communication, or ethernet or bluetooth communication.
Optionally, the switch device is connected to the monitoring station through 4G/5G wireless communication or ethernet communication.
Optionally, the superior information management device includes an information aggregator or a terminal device;
a plurality of the switch devices are in communication with the information concentrator or terminal device.
Optionally, the superior information management device includes a cabinet management and control device;
a plurality of the switching devices are communicatively coupled to the cabinet management device.
The utility model provides a low-voltage distribution protection system, the number of the switch devices is a plurality, the switch devices are in communication connection with the superior information management device, and the switch devices are in communication connection with the monitoring station; protect respectively through a plurality of return circuits of a plurality of switching device in to low pressure distribution protection system, and with a plurality of switching device's protection information and higher level information management device communication connection, the realization is uploaded a plurality of switching device's protection information to the upper information management device and is unified the management, be favorable to learning whole low pressure distribution protection system's the protective conditions fast, and can with control station communication connection, realize that whole low pressure distribution protection system's the protective conditions can real time monitoring, realize the safety monitoring to whole distribution system, improve whole low pressure distribution system's factor of safety.
Drawings
Fig. 1 is a schematic diagram of a low-voltage distribution protection system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a low-voltage distribution protection system according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a low-voltage distribution protection system according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of a low-voltage distribution protection system according to a third embodiment of the present invention.
1. A switching device; 2. a higher level information management device; 3. a monitoring station; 4. a mobile device; 5. a communication device; 21. an information concentrator or a terminal device; 22. cabinet management and control device.
Detailed Description
The low-voltage distribution protection system of the present invention will be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1-2, an embodiment of the present invention provides a low-voltage power distribution protection system, which includes a switch device 1, a higher level information management device 2, and a monitoring station 3; the number of the switch devices 1 is multiple, the switch devices 1 are connected with the superior information management device 2 in a communication mode, and the switch devices 1 are connected with the monitoring station 3 in a communication mode.
Specifically, protect respectively through a plurality of return circuits of a plurality of switching device 1 in to low voltage distribution protection system, and with a plurality of switching device 1's protection information and higher level information management device 2 communication connection, realize uploading the protection information of a plurality of switching device 1 to the unified management of higher level information management device 2, be favorable to learning whole low voltage distribution protection system's the protective condition fast, and can with 3 communication connection in monitoring station, realize that whole low voltage distribution protection system's the protective condition can real time monitoring, realize the safety monitoring to whole distribution system, improve whole low voltage distribution system's factor of safety.
Wherein, the number of the switch devices 1 is a plurality; the quantity of the switch devices 1 is selected according to the quantity of loops in the low-voltage distribution protection system, and when the load in the corresponding loop needs to be subjected to distribution protection, the switch devices 1 are installed on the corresponding loop to protect the load, so that the load in the low-voltage distribution protection system can be protected, and the problem of dangerous accidents is avoided.
Wherein, a plurality of switch devices 1 are connected with a superior information management device 2 in a communication way; the upper information management device 2 can centrally manage the protection information uploaded by the plurality of switching devices 1, realize unified management of data information, and improve the information management efficiency of the whole low-voltage distribution protection system.
Wherein a plurality of switching devices 1 are connected in communication with a monitoring station 3; the monitoring station 3 can perform centralized monitoring on the protection information uploaded by the plurality of switch devices 1, so that the monitoring management of data information is realized, and the information monitoring management safety factor of the whole low-voltage power distribution protection system is improved.
Further, a mobile device 4 is also included; a plurality of said switching devices 1 are in communication connection with said mobile equipment 4.
Specifically, by means of communication connection between the plurality of switch devices 1 and the mobile device 4, load protection information of a plurality of loops corresponding to the plurality of switch devices 1 can be uploaded to the mobile device 4, remote mobile management is performed on a low-voltage power distribution system, and management effects are improved.
Wherein, the mobile device 4 may be a mobile phone; through the APP software that corresponds of installation on mobile device, realize APP mobile client and a plurality of switching device 1's information intercommunication, also promptly mobile client can collect the analysis to a plurality of switching device 1's information, long-range quick real-time data information who acquires low voltage distribution protection system.
Further, a plurality of switch devices 1 are connected with the mobile device 4 through bluetooth communication.
Specifically, the switch device 1 and the mobile device 4 are in communication connection through bluetooth, so that the switch device 1 and the mobile device 4 are in wireless communication connection, the effect of communication connection is improved, and the connection feasibility between the switch device 1 and the mobile device 4 is improved.
Wherein, a plurality of switching device 1 pass through bluetooth communication connection with mobile device 4, realize the accurate wireless communication technique of short distance, save traditional electric wire, transmission range is big, can pierce through different materials and expand between the material, adopts frequency hopping spread spectrum technique, and the interference killing feature is strong, is difficult for eavesdropping, the low power dissipation, and is with low costs, satisfies actual user demand.
Optionally, a communication device 5 is also included; the plurality of switching devices 1 are all connected with the communication device 5, the communication device 5 is in communication connection with the upper information management device 2, and the communication device 5 is in communication connection with the monitoring station 3.
Specifically, by connecting the plurality of switch devices 1 with the communication device 5, the communication device 5 is only in communication connection with the upper management device, so that the data information of the plurality of loops corresponding to the plurality of switch devices 1 can be uploaded to the upper management device, the communication connection between the plurality of switch devices 1 and the upper management device is reduced, the communication distance is reduced, and the communication effect is improved; by connecting the plurality of switch devices 1 with the communication device 5, the communication device 5 and the monitoring station 3 are connected in a communication manner, so that the data information of a plurality of loops corresponding to the plurality of switch devices 1 can be uploaded to the monitoring station 3, the communication connection between the plurality of switch devices 1 and the monitoring station 3 is reduced, the communication distance is reduced, and the communication effect is provided.
Wherein, communication device 5 also can act as power supply unit, has the power supply port, can realize providing the electric energy to a plurality of switching device 1, can realize the concentrated transmission of a plurality of switching device 1 data information again through communication connection, can realize again that communication device 5 charges simultaneously to a plurality of switching device 1, and it is worth mentioning that a plurality of switching device need connect in parallel, avoids causing the problem of mutual interference between a plurality of switching device 1.
Wherein, the switch device 1 is connected with the communication device 5 through a switch power line; the switch device 1 is connected with the communication device 5 through the switch power line, wired communication connection between the switch devices 1 and the communication device 5 is achieved, data can be transmitted to the communication device 5 more accurately and rapidly, and transmission efficiency is improved.
The communication device 5 and the superior information management device 2 CAN be in communication connection through any one of a 485 bus, a CAN bus, a CANFD bus, LoRa, carrier waves, 4G/5G and Ethernet; the communication device 5 is in communication connection with the superior information management device 2 through a 485 bus, so that the application range is wide, the universality is strong, most communication scenes are met, and the application effect is good; the communication device 5 is in communication connection with the superior information management device 2 through a CAN bus, has the advantages of high safety performance, good convenience, low power consumption and low cost, and CAN realize strong real-time data communication among nodes of a network; the communication device 5 and the upper information management device 2 have the advantages of adopting two bit rates through a CAN FD bus compared with the advantages of CAN, and have better use effect by increasing the number of effective data frames to 64 bytes; the communication device 5 is in communication connection with the superior information management device 2 through LoRa, is a long-distance wireless transmission technology based on a spread spectrum technology, has a simpler technology, and can realize a long-distance and low-power wireless communication technology; the communication device 5 is in communication connection with the superior information management device 2 through 4G/5G, namely, the fourth generation mobile communication technology and the fifth generation communication technology, has the characteristics of high speed, low time delay and large connection, can realize a network infrastructure for man-machine-object interconnection, and realizes faster and more accurate transmission speed; the Ethernet communication connection, namely the limited connection mode is carried out through the network port, the connection cost is low, the hundred-mega Ethernet connection can be selected according to the actual use, and the transmission speed is ensured.
The communication device 5 is in communication connection with the monitoring station 3 through 4G/5G and Ethernet; through the fourth generation mobile communication technology, the fifth generation wireless communication technology and the wired communication technology of the Ethernet, the information transmission can be ensured to have higher speed and accuracy, and the actual use requirement scene is met.
It should be noted that the communication device 5 and the mobile device 4 may also be connected through bluetooth communication; the communication device 5 and the mobile device 4 are in communication connection through Bluetooth communication, the short-distance accurate wireless communication technology of the switch devices 1 and the mobile device 4 is achieved, traditional electric wires are omitted, the transmission range is large, different materials can be penetrated, the materials can be expanded, the frequency hopping spread spectrum technology is adopted, the anti-interference capacity is high, eavesdropping is not prone to occurring, the power consumption is low, the cost is low, and actual using requirements are met.
Further, a plurality of the switching devices 1 are connected in communication.
Specifically, through the communication connection between the switch devices 1, the data information among the switch devices 1 is transmitted, the sharing and real-time linkage of the data information are realized, and the monitoring effect is improved.
Optionally, a plurality of the switch devices 1 are connected through an I2C bus communication.
Specifically, through selecting the communication mode between a plurality of switching devices 1 as I2C bus connection, realize only can connecting adjacent switching device 1 through two lines, reduce cost, and the transmission reliability is high, but reuse is favorable to standardization and modularization, shortens development time, satisfies the user demand.
Optionally, the switch device 1 is connected to the superior information management device 2 through 485 bus, CAN fd bus, LoRa wireless communication, carrier communication, 4G/5G wireless communication, ethernet or bluetooth communication.
Specifically, the plurality of switching devices 1 and the upper information management device 2 are connected through an 85 bus, a CAN bus, a CANFD bus, a LoRa wireless communication, a carrier communication, a 4G/5G wireless communication, an ethernet or a bluetooth communication, so that the diversity of information communication transmission modes between the plurality of switching devices 1 and the upper information management device 2 is satisfied, and the diverse use requirements are satisfied.
The plurality of switching devices 1 and the superior information management device 2 are in communication connection through 485 buses, so that the application range is wide, the universality is strong, most communication scenes are met, and the application effect is good; the plurality of switching devices 1 and the superior information management device 2 are in communication connection through a CAN bus, so that the intelligent network switching device has the advantages of high safety performance, good convenience, low power consumption and low cost, and CAN realize strong real-time data communication among nodes of a network; the plurality of switching devices 1 and the upper information management device 2 adopt CAN FD buses, so that compared with the CAN bus, the CAN bus switching device also has the advantages of adopting two bit rates, and increasing the number of data frames to 64 bytes of effective data has better use effect; the plurality of switch devices 1 and the superior information management device 2 are connected by adopting LoRa communication, are long-distance wireless transmission technology based on spread spectrum technology, have simpler technology and can realize long-distance and low-power wireless communication technology; the switch devices 1 and the superior information management device 2 are in communication connection through 4G/5G, namely, the fourth generation mobile communication technology and the fifth generation communication technology, so that the switch device has the characteristics of high speed, low time delay and large connection, can realize network infrastructure of man-machine interconnection, and realizes faster and more accurate transmission speed; the plurality of switching devices 1 and the upper information management device 2 are in Ethernet communication connection, namely, limited connection modes are carried out through network ports, the connection cost is low, and hundred-mega Ethernet connection can be selected according to actual use to ensure the transmission speed.
Optionally, the upper information management apparatus 2 includes an information aggregator or a terminal apparatus 21; a plurality of said switching devices 1 are connected in communication with said information concentrator or terminal device 21.
Specifically, by connecting the plurality of switch devices 1 with the information concentrator or the terminal device in a communication manner, the data information of the plurality of switch devices 1 is uploaded to the information concentrator for centralized management, or the data information of the plurality of switch devices 1 is uploaded to the terminal for centralized management, so that the centralized and rapid management of the data information can be realized, and the information concentrator and the terminal have the characteristics of small volume and large capacity, thereby meeting the centralized management of various data information and meeting the use requirements.
Example two
As shown in fig. 3, an embodiment of the present invention provides a low-voltage distribution protection system, which is different from the first embodiment in that: the switch device 1 is connected with the monitoring station 3 through 4G/5G wireless communication or Ethernet communication.
Specifically, the monitoring station may include a monitoring master station or a monitoring substation; through connecting the switch device 1 with the monitoring station 3 through 4G/5G wireless communication or Ethernet communication, namely through the fourth generation mobile communication technology, the fifth generation wireless communication technology and the Ethernet wired communication technology, the information transmission can be guaranteed to have higher speed and accuracy, and the actual use requirement scene is met.
EXAMPLE III
As shown in fig. 4, an embodiment of the present invention provides a low voltage distribution protection system, which is different from the first embodiment in that: the upper information management device 2 comprises a cabinet management and control device 22; a plurality of said switching devices 1 are in communication with said cabinet management control 22.
Specifically, by connecting the multiple switching devices 1 with the cabinet management and control device 22 in a communication manner, data information of the multiple switching devices 1 can be uploaded to the cabinet management and control device 22 for centralized management and control management, data concentration and data monitoring are realized, safety monitoring of the whole power distribution system is realized, and the safety factor of the whole low-voltage power distribution system is improved.
Wherein, a plurality of switching device 1 are connected with power communication 5, through ethernet or CAN bus or 485 bus mode with cabinet management and control device 22 communication connection, realize that a plurality of switching device 1 CAN upload to on the cabinet management and control device 22 multichannel protection information fast.
The cabinet management and control device 22, that is, the data information monitoring module of the distribution box or the distribution cabinet, can realize the summarization of data information and the monitoring of data information.
In summary, the utility model provides a low-voltage distribution protection system, the number of the switch devices 1 is multiple, the switch devices 1 are in communication connection with the upper information management device 2, and the switch devices 1 are in communication connection with the monitoring station 3; protect respectively through a plurality of return circuits of a plurality of switching device 1 in to low pressure distribution protection system, and with a plurality of switching device 1's protection information and higher level information management device 2 communication connection, the realization is uploaded a plurality of switching device 1's protection information and is unified the management to higher level information management device 2, be favorable to learning whole low pressure distribution protection system's the protective conditions fast, and can with 3 communication connection in control station, realize that whole low pressure distribution protection system's the protective conditions can real time monitoring, realize the safety monitoring to whole distribution system, improve whole low pressure distribution system's factor of safety.
The above embodiments are only examples of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all shall be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A low-voltage distribution protection system is characterized by comprising a switching device (1), a superior information management device (2) and a monitoring station (3);
the number of the switch devices (1) is multiple, the switch devices (1) are in communication connection with the superior information management device (2), and the switch devices (1) are in communication connection with the monitoring station.
2. The low voltage power distribution protection system of claim 1 further comprising a mobile device (4);
a plurality of said switching devices (1) are in communicative connection with said mobile device.
3. The low-voltage distribution protection system according to claim 2, characterized in that a plurality of said switching devices (1) are connected with said mobile apparatus (4) by means of bluetooth communication.
4. The low voltage distribution protection system according to claim 1, further comprising communication means (5);
the switch devices (1) are all connected with the communication device (5), the communication device (5) is in communication connection with the superior information management device (2), and the communication device (5) is in communication connection with the monitoring station (3).
5. The low-voltage distribution protection system according to claim 1, characterized in that a plurality of said switching devices (1) are communicatively connected.
6. The low-voltage distribution protection system according to claim 5, characterized in that a plurality of said switching devices (1) are communicatively connected by means of an I2C bus.
7. The low-voltage distribution protection system according to claim 1, wherein the switching device (1) is connected with the superior information management device (2) through a 485 bus, a CAN bus, a CANFD bus, a LoRa wireless communication, a carrier communication, a 4G/5G wireless communication, an Ethernet or a Bluetooth communication.
8. The low-voltage distribution protection system according to claim 1, characterized in that the switching device (1) is connected with the monitoring station (3) by 4G/5G wireless communication or ethernet communication.
9. The low-voltage distribution protection system according to claim 1, characterized in that said superior information management device (2) comprises an information concentrator or a terminal device;
a plurality of the switching devices (1) are connected in communication with the information concentrator or terminal device.
10. The low-voltage distribution protection system according to claim 1, characterized in that said superior information management device (2) comprises a cabinet management device;
a plurality of the switching devices (1) are in communication connection with the cabinet regulating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122973315.2U CN217063267U (en) | 2021-12-01 | 2021-12-01 | Low-voltage distribution protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122973315.2U CN217063267U (en) | 2021-12-01 | 2021-12-01 | Low-voltage distribution protection system |
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| Publication Number | Publication Date |
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| CN217063267U true CN217063267U (en) | 2022-07-26 |
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| CN202122973315.2U Active CN217063267U (en) | 2021-12-01 | 2021-12-01 | Low-voltage distribution protection system |
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| CN (1) | CN217063267U (en) |
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- 2021-12-01 CN CN202122973315.2U patent/CN217063267U/en active Active
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