CN215376140U - One-way earth fault management system - Google Patents
One-way earth fault management system Download PDFInfo
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- CN215376140U CN215376140U CN202121864805.2U CN202121864805U CN215376140U CN 215376140 U CN215376140 U CN 215376140U CN 202121864805 U CN202121864805 U CN 202121864805U CN 215376140 U CN215376140 U CN 215376140U
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Abstract
The utility model relates to the technical field of electricity, in particular to a one-way grounding fault management system, which is characterized in that: the alarm unit comprises a power supply module, a host single chip microcomputer, a local alarm module and a remote alarm module, wherein the host single chip microcomputer is respectively connected with the local alarm module and the remote alarm module and is used for receiving a one-way ground fault signal and transmitting an alarm control signal to the local alarm module and the remote alarm module, the local alarm module comprises an alarm connected with the host single chip microcomputer, the remote alarm module comprises a GSM alarm connected with the host single chip microcomputer, and after the GSM alarm receives control information of the host single chip microcomputer, a call request and a short message can be sent to communication equipment of monitoring personnel through a GSM network according to the one-way ground fault condition, so that the alarm can be timely given to the monitoring personnel during one-way ground fault, and the alarm effect is better.
Description
Technical Field
The utility model relates to the technical field of electricity, in particular to a one-way grounding fault management system.
Background
The single-phase grounding is the single-phase grounding of a 10kV (35kV) low-current grounding system, and the single-phase grounding fault is the most common fault of a power distribution system and mostly occurs in humid and rainy weather. Due to a plurality of factors such as tree obstacles, single-phase breakdown of insulators on distribution lines, single-phase line breakage, small animal harm and the like. The single-phase grounding not only influences the normal power supply of users, but also can generate overvoltage, burn out equipment and even cause interphase short circuit to enlarge accidents. When one-way grounding fault occurs to a certain branch of the system, the main controller rapidly triggers the conduction of the silicon controlled rectifier after detecting a grounding signal, the fault branch passes through an imposition current with controllable size, the fault branch zero sequence CT detects the pulse current and then sends the pulse current to the main controller through the acquisition unit, and the main controller judges the fault branch, the fault type, the fault time and the like;
for example, CN211206745U, publication No. discloses a single-phase ground fault management system, comprising: the power distribution network power supply line unit comprises a neutral point ungrounded power distribution network, a neutral point grounded power distribution network through an arc suppression coil or a neutral point grounded power distribution network through a resistor; the power distribution network power supply line unit also comprises a resonance elimination circuit, and the resonance elimination circuit is arranged in a power distribution network with a neutral point not grounded, the power distribution network with the neutral point grounded through an arc suppression coil or the power distribution network with the neutral point grounded through a resistor; the node and branch fault early warning unit is used for acquiring node information in a power supply line unit of the power distribution network and analyzing and judging whether a circuit fault exists according to the acquired node information; the node and branch fault early warning unit is also used for early warning circuit faults; the transmission efficiency monitoring unit is used for collecting and monitoring current and voltage information in a power supply line unit of the power distribution network; the transmission efficiency monitoring unit is also used for monitoring the switching value of the power supply line unit of the power distribution network; the control unit is used for predicting permanent ground faults, transient ground faults and disconnection ground faults according to the information collected by the transmission efficiency monitoring unit and the data information fed back by the node and branch fault early warning unit; the control unit is also used for verifying the accuracy of the fault line selection of the current power distribution network power supply line unit according to the current fault type; the control unit further comprises a closing time delay module and a switching-off time delay module, the closing time delay module is used for providing delay operation after the power distribution network power supply line unit performs one-time action, the switching-off time delay module is used for achieving time delay with system recovery after the power distribution network power supply line unit performs one-time action switching-off, and if the single-phase fault of the overtime line still exists, the control unit continues to perform a new operation.
When the unidirectional ground fault management system receives the unidirectional ground fault, the unidirectional ground fault management system simply alarms on equipment, and the feedback mode of the alarm needs monitoring personnel to frequently patrol and monitor the equipment provided with the unidirectional ground fault management system so as to alarm the unidirectional ground fault management system when the unidirectional ground fault is found, and the warning reminding effect is poor, thereby inevitably influencing the timeliness of the unidirectional ground fault recovery.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a one-way ground fault management system to solve the problems in the background art.
The technical scheme of the utility model is realized as follows: a unidirectional ground fault management system, characterized by: comprises an alarm unit for alarming and feeding back when the unidirectional earth fault occurs, wherein the alarm unit comprises a power supply module, a host singlechip, a local alarm module and a remote alarm module, the power supply module is respectively connected with the host singlechip, the local alarm module and the remote alarm module and is used for supplying power to the host singlechip, the local alarm module and the remote alarm module, the host singlechip is respectively connected with the local alarm module and the remote alarm module, and is used for receiving the one-way grounding fault signal and transmitting an alarm control signal to the local alarm module and the remote alarm module, the local alarm module comprises an alarm connected with the host singlechip, the remote alarm module comprises a GSM alarm connected with the host singlechip, after the GSM alarm receives the control information of the host singlechip, the unidirectional earth fault state can be directionally sent to the communication equipment of the monitoring personnel through the GSM network to send a call request and a short message.
Preferably: and after receiving a closing signal sent by the host singlechip, the GSM alarm sends a call request and sends a short message to the communication equipment of the monitoring personnel through a GSM network according to the condition of the unidirectional ground fault.
Preferably: the GSM alarm comprises a receiver and a GSM information module connected with the output end of the receiver, wherein the input end of the receiver is connected with the host single chip microcomputer and comprises a receiving single chip microcomputer and a storage.
Preferably: the GSM information module comprises a GSM information module power supply, a GSM radio frequency module, an antenna and an SIM card; the power supply of the GSM information module is connected with the output end of the power supply module, and the antenna and the SIM card are connected with the data interface of the GSM radio frequency module.
Preferably: the alarm includes the casing, locates the LED flashing lamp at casing top, locates the inside bee calling organ of casing and locates the casing inside and with the conductor circuit of LED flashing lamp and bee calling organ series connection, and the casing is installed at the outer top of equipment control cabinet, has hollow inner chamber, power module's output and conductor circuit intercommunication, be provided with electric control switch on the conductor circuit, electric control switch is connected with the host computer singlechip, and after the closed signal that the host computer singlechip sent to electric control switch, electric control switch closure made conductor circuit form the route, LED flashing lamp and bee calling organ work.
Preferably: the outside of alarm encircles and is equipped with the stainless steel safety cover.
Preferably: the host singlechip and the receiving singlechip are both ATM89S5 singlechips.
Preferably: the storage adopts 24C64 storage.
Has the advantages that: the alarm unit is divided into a local alarm module and a remote alarm module, and when the unidirectional ground fault occurs, an LED flashing lamp and a buzzer in the local alarm module work and simultaneously emit warning lamp light and warning sound, so that the alarm unit has better warning intuition and better warning effect for monitoring personnel; when the unidirectional ground fault occurs, the set remote alarm module can directionally initiate a call request and send a short message to the communication equipment of the monitoring personnel through the GSM network, so that the monitoring personnel can be timely reminded of the unidirectional ground fault, and the timeliness of the unidirectional ground fault recovery is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of a GSM alarm;
fig. 3 is a block diagram of the alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1-3, the present invention discloses a one-way ground fault management system, which in the embodiment of the present invention comprises an alarm unit 1 for performing alarm feedback during one-way ground fault, wherein the alarm unit comprises a power module 11, a host singlechip 12, a local alarm module 13 and a remote alarm module 14, the power module 11 is respectively connected with the host singlechip 12, the local alarm module 13 and the remote alarm module 14 and is used for supplying power to the host singlechip 12, the local alarm module 13 and the remote alarm module 14, the host singlechip 12 is respectively connected with the local alarm module 13 and the remote alarm module 14 and is used for receiving one-way ground fault signals and transmitting alarm control signals to the local alarm module 13 and the remote alarm module 14, the local alarm module 13 comprises an alarm 131 connected with the host singlechip 12, the remote alarm module 14 comprises a GSM alarm 141 connected to the host single chip microcomputer 12, and after receiving the control information of the host single chip microcomputer 12, the GSM alarm 141 can directionally initiate a call request and send a short message to the communication device of the monitoring person through a GSM network for the one-way ground fault.
By adopting the technical scheme, the alarm unit for alarming and feeding back during the unidirectional ground fault comprises the local alarm module and the remote alarm module, the local alarm module can generate an alarm on equipment so as to remind monitoring personnel of the generation of the unidirectional ground fault, so that the timeliness of the unidirectional ground fault recovery is ensured; the remote alarm module can directionally initiate a call request and send a short message to the communication equipment of the monitoring personnel through the GSM network according to the condition of the unidirectional ground fault when the unidirectional ground fault occurs, so that the generation of the unidirectional ground fault of the monitoring personnel can be timely reminded, the timeliness of the unidirectional ground fault recovery is ensured, meanwhile, two alarm modes are adopted, the fault tolerance rate is improved, and the problem that the monitoring personnel can timely know the unidirectional ground fault is solved.
In the embodiment of the present invention, after receiving the close signal sent by the host single chip microcomputer 12, the GSM alarm 131 initiates a call request and sends a short message to the communication device of the monitoring person through the GSM network according to the one-way ground fault condition.
By adopting the technical scheme, the GSM alarm receives the closing signal sent by the host single chip microcomputer, can timely send a call request and send a short message to the communication equipment of a monitoring person according to the one-way ground fault condition through the GSM network, and improves the timeliness of information transmission of the one-way ground fault condition.
In the embodiment of the present invention, the GSM alarm 141 includes a receiver 1411 and a GSM information module 1412 connected to an output end of the receiver 1411, and an input end of the receiver 1411 is connected to the host single-chip microcomputer 12, and includes a receiving single-chip microcomputer 14111 and a storage 14112.
In the embodiment of the present invention, the GSM information module 1412 includes a GSM information module power supply 14121, a GSM radio frequency module 14122, an antenna 14123, and a SIM card 14124; the GSM information module power supply 14121 is connected with the output end of the power supply module 11, and the antenna 14123 and the SIM card 14124 are connected with the data interface of the GSM radio frequency module 14122.
By adopting the technical scheme, the host singlechip sends a closed signal and a one-way ground fault state signal to the receiver, the receiving singlechip and the storage in the receiver process the closed signal and the one-way ground fault state signal, the closed signal and the one-way ground fault state signal are started and sent to the GSM short message module, and after the GSM short message module is started, the received one-way ground fault state information is sent to the mobile phone with the specified number through the GSM network, so that remote alarm is completed, a monitoring person can know the one-way ground fault state information through the communication equipment carried by the monitoring person when the monitoring person does not know the alarm on the equipment, so that the one-way ground fault can be processed in time, and the timeliness of processing is ensured.
In the specific embodiment of the utility model, the alarm 131 includes a housing 1311, an LED flashing lamp 1312 disposed on the top of the housing 1311, a buzzer 1313 disposed inside the housing 1311, and a conductor line 1314 disposed inside the housing 1311 and connecting the LED flashing lamp 1312 and the buzzer 1313 in series, the housing 1311 is mounted on the top outside the equipment control cabinet and has a hollow inner cavity, the output end of the power module 11 is communicated with the conductor line 1314, an electronic control switch 1315 is disposed on the conductor line 1314, the electronic control switch 1315 is connected with the host single-chip microcomputer 12, and after a closing signal is sent to the electronic control switch 1315 by the host single-chip microcomputer 12, the electronic control switch 1315 is closed to enable the conductor line 1314 to form a passage, and the LED flashing lamp 1312 and the buzzer 1313 operate.
Through adopting above-mentioned technical scheme, after the host computer list machine piece sent closed signal to electric control switch, electric control switch closure made conductor line form the route, LED flashing light and buzzer work send warning light sum warning sound simultaneously, it has better warning nature directly perceived to possess on the outer top of equipment control cabinet, it is better to the effect that monitoring personnel reminded, make things convenient for monitoring personnel to discover in time when being close to equipment, and then the one-way ground fault of processing that can be timely, the promptness of assurance processing.
In an embodiment of the present invention, a stainless steel protective cover 1310 is disposed around the outside of the alarm 131.
Through adopting above-mentioned technical scheme, the outside of alarm is around setting up the stainless steel safety cover, can protect the alarm.
In the specific embodiment of the present invention, the host single chip microcomputer 12 and the receiving single chip microcomputer 14111 both use ATM89S5 single chips.
In an embodiment of the present invention, the storage 14112 is implemented as a 24C64 memory.
In summary, the utility model provides a one-way ground fault management system, which can alarm monitoring personnel in time when a one-way ground fault occurs, and has a good warning effect.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A unidirectional ground fault management system, comprising:
the alarm unit comprises a power supply module, a host singlechip, a local alarm module and a remote alarm module, and performs alarm feedback when the unidirectional ground fault occurs;
the power supply module is respectively connected with the host single chip microcomputer, the local alarm module and the remote alarm module and used for supplying power to the host single chip microcomputer, the local alarm module and the remote alarm module, and the host single chip microcomputer is respectively connected with the local alarm module and the remote alarm module and used for receiving a one-way ground fault signal and transmitting an alarm control signal to the local alarm module and the remote alarm module;
the local alarm module comprises:
the alarm is connected with the host singlechip;
the remote alarm module includes:
the GSM alarm is connected with the host singlechip;
after receiving the control information of the host singlechip, the GSM alarm can directionally initiate a call request and send a short message to the communication equipment of a monitoring person through a GSM network according to the condition of the unidirectional ground fault.
2. A unidirectional ground fault management system according to claim 1, wherein: and after receiving a closing signal sent by the host singlechip, the GSM alarm sends a call request and sends a short message to the communication equipment of the monitoring personnel through a GSM network according to the condition of the unidirectional ground fault.
3. A unidirectional ground fault management system according to claim 2, wherein: the GSM alarm further comprises:
the input end of the receiver is connected with the host singlechip, and the receiver is provided with a receiving singlechip and a storage;
and the GSM information module is connected with the output end of the receiver.
4. A unidirectional ground fault management system according to claim 3, wherein: the GSM information module comprises a GSM information module power supply, a GSM radio frequency module, an antenna and an SIM card; the power supply of the GSM information module is connected with the output end of the power supply module, and the antenna and the SIM card are connected with the data interface of the GSM radio frequency module.
5. A unidirectional ground fault management system according to claim 1, wherein: the alarm device includes:
the shell is arranged at the outer top of the equipment control cabinet and is provided with a hollow inner cavity;
the LED flashing lamp is arranged at the top of the shell;
the buzzer is arranged inside the shell;
the conductor circuit is arranged in the shell and connects the LED flashing lamp and the buzzer in series;
the output end of the power supply module is communicated with the conductor circuit, an electric control switch is arranged on the conductor circuit and connected with the host single chip microcomputer, and after the host single chip microcomputer sends a closing signal to the electric control switch, the electric control switch is closed to enable the conductor circuit to form a passage, and the LED flashing lamp and the buzzer work.
6. A unidirectional ground fault management system according to claim 5, wherein: the outside of alarm encircles and is equipped with the stainless steel safety cover.
7. A unidirectional ground fault management system according to claim 3, wherein: the host singlechip and the receiving singlechip are both ATM89S5 singlechips.
8. A unidirectional ground fault management system according to claim 3, wherein: the storage adopts 24C64 storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864805.2U CN215376140U (en) | 2021-08-10 | 2021-08-10 | One-way earth fault management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121864805.2U CN215376140U (en) | 2021-08-10 | 2021-08-10 | One-way earth fault management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215376140U true CN215376140U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121864805.2U Active CN215376140U (en) | 2021-08-10 | 2021-08-10 | One-way earth fault management system |
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|---|---|
| CN (1) | CN215376140U (en) |
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- 2021-08-10 CN CN202121864805.2U patent/CN215376140U/en active Active
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