CN210535875U - Safety socket and socket control system - Google Patents

Safety socket and socket control system Download PDF

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Publication number
CN210535875U
CN210535875U CN201921931247.XU CN201921931247U CN210535875U CN 210535875 U CN210535875 U CN 210535875U CN 201921931247 U CN201921931247 U CN 201921931247U CN 210535875 U CN210535875 U CN 210535875U
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China
Prior art keywords
latching relay
magnetic latching
chip microcomputer
single chip
current transformer
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CN201921931247.XU
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Chinese (zh)
Inventor
周宣
任智仁
袁卿卿
彭国亮
周为
王卫华
谢达
朱娣
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Wasion Group Co Ltd
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Wasion Group Co Ltd
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Priority to CN201921931247.XU priority Critical patent/CN210535875U/en
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Abstract

The utility model discloses a safety socket and a socket control system, wherein a singlechip on a PCB circuit board of the safety socket is respectively connected with a residual current transformer, a resistance voltage divider, a current diverter, a temperature sensor and a magnetic latching relay state detection circuit; the resistance voltage divider is respectively connected with the live wire and the zero line; a live wire penetrates through the residual current transformer and is sequentially connected with the current shunt and the magnetic latching relay; the zero line passes through the residual current transformer and is connected with the magnetic latching relay; the single chip microcomputer controls the on/off of the magnetic latching relay according to the effective value and the corresponding preset value of the analog electric signal output by the residual current transformer, the resistor voltage divider, the current divider and the temperature sensor and/or the instantaneous value and the corresponding preset value of the analog electric signal. The utility model discloses when the socket detected phenomenons such as excessive pressure, excess temperature, overflow, electric leakage, but automatic cutout power effectively avoids the emergence of power consumption accident, ensures safe power consumption.

Description

Safety socket and socket control system
Technical Field
The utility model relates to a socket field especially relates to a safe socket and socket control system.
Background
The intelligent socket in the current market still has safety defects, cannot radically eliminate potential safety hazards, particularly electrical fire accidents caused by short circuit in the use process of current numerous electric equipment and personnel electric shock safety accidents caused by electric leakage, and the existing intelligent socket cannot effectively avoid the occurrence of the electric accidents.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a safety socket and a socket control system, which are designed to solve the problem that the current smart socket cannot effectively avoid the occurrence of power consumption accidents.
In order to achieve the purpose, the utility model provides a safety socket, the inside PCB circuit board that sets up of safety socket, set up singlechip, residual current transformer, resistance divider, current shunt, temperature sensor and magnetic latching relay on the PCB circuit board;
the single chip microcomputer is respectively connected with the residual current transformer, the resistor voltage divider, the current divider, the temperature sensor and the magnetic latching relay state detection circuit;
the resistance voltage divider is respectively connected with the live wire and the zero line;
the live wire penetrates through the residual current transformer and is sequentially connected with the current divider and the magnetic latching relay;
the zero line penetrates through the residual current transformer and is connected with the magnetic latching relay;
the single chip microcomputer controls the on/off of the magnetic latching relay according to the effective value and the corresponding preset value of the analog electric signal output by the residual current transformer, the resistor voltage divider, the current divider and the temperature sensor and/or the instantaneous value and the corresponding preset value of the analog electric signal.
Optionally, a magnetic latching relay driving chip is further arranged on the PCB;
the single chip microcomputer is connected with the control end of the magnetic latching relay through the magnetic latching relay driving chip.
Optionally, a wireless communication module is further arranged on the PCB and is in communication connection with the single chip microcomputer through a UART interface.
Optionally, the PCB is further provided with a magnetic latching relay state detection circuit connected to the single chip microcomputer.
Optionally, the PCB circuit board is further provided with an indicator light connected with the single chip microcomputer.
Optionally, the PCB is further provided with a networking button connected to the single chip.
Optionally, the PCB is further provided with a power module, and the power module is connected to the single chip, the wireless communication module, and the magnetic latching relay driving chip respectively;
and the power module is also connected with the live wire and the zero wire respectively.
Optionally, the single chip microcomputer includes an analog-to-digital converter ADC, and the ADC is respectively connected to the residual current transformer, the resistor divider, the current divider, the temperature sensor, and the magnetic latching relay-shaped body detection circuit.
In addition, in order to achieve the above object, the utility model also provides a socket control system, the system includes mobile terminal and the safety socket that is connected with the mobile terminal remotely, be provided with the PCB circuit board inside the safety socket, be provided with singlechip, residual current transformer, resistance divider, current shunt, temperature sensor and magnetic latching relay on the PCB circuit board;
the single chip microcomputer is respectively connected with the residual current transformer, the resistor voltage divider, the current divider, the temperature sensor and the magnetic latching relay;
the resistance voltage divider is respectively connected with the live wire and the zero line;
the live wire penetrates through the residual current transformer and is sequentially connected with the current divider and the magnetic latching relay;
the zero line penetrates through the residual current transformer and is connected with the magnetic latching relay;
the single chip microcomputer controls the on/off of the magnetic latching relay according to the effective value and the corresponding preset value of the analog electric signal output by the residual current transformer, the resistor voltage divider, the current divider and the temperature sensor and/or the instantaneous value and the corresponding preset value of the analog electric signal.
Preferably, the PCB circuit board is further provided with a wireless communication module, and the wireless communication module is in communication connection with the singlechip through a UART interface;
the wireless communication module is used for being wirelessly connected with the mobile terminal and generating a corresponding control signal according to an instruction of the mobile terminal to control the on/off of the magnetic latching relay.
The utility model discloses the safety socket is internally provided with a PCB circuit board, and the PCB circuit board is provided with a singlechip, a residual current transformer, a resistance divider, a current shunt, a temperature sensor and a magnetic latching relay; the single chip microcomputer is respectively connected with the residual current transformer, the resistor voltage divider, the current divider, the temperature sensor and the magnetic latching relay; the resistance voltage divider is respectively connected with the live wire and the zero line; the live wire penetrates through the residual current transformer and is sequentially connected with the current divider and the magnetic latching relay; the zero line penetrates through the residual current transformer and is connected with the magnetic latching relay; the single chip microcomputer controls the on/off of the magnetic latching relay according to the effective value and the corresponding preset value of the analog electric signal output by the residual current transformer, the resistor voltage divider, the current divider and the temperature sensor and/or the instantaneous value and the corresponding preset value of the analog electric signal. The utility model discloses when the socket detected excessive pressure, excess temperature, overflowed and electric leakage phenomenon, but automatic cutout power can effectively avoid the emergence of power consumption accident, ensures safe power consumption. In addition, a wireless communication module is arranged in the socket, the socket can be wirelessly connected with an external mobile terminal through the wireless communication module, and can also receive a control instruction of the mobile terminal so as to control the on/off of a power supply, and a user can control the socket through the mobile terminal, so that the socket is convenient for the user to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of an embodiment of the safety socket of the present invention;
fig. 2 is a functional block diagram of an embodiment of the safety socket of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic circuit structure diagram of an embodiment of the safety socket of the present invention, a PCB circuit board is disposed inside the safety socket, and a single chip microcomputer 01, a residual current transformer 02, a resistance voltage divider 03, a current divider 04, a temperature sensor 05, and a magnetic latching relay 06 are disposed on the PCB circuit board, wherein the single chip microcomputer 01 is composed of an arithmetic unit, a controller, a memory, an input/output device, and the like; the residual current transformer 02 is used for detecting residual current; the resistance voltage divider 03 is used for linearly dividing the 220V alternating current to obtain a voltage signal which can be input into the single chip microcomputer 01; the current divider 04 is used for detecting the live wire current; since the magnetic latching relay 06 is a main heat generating component inside the socket, a temperature sensor 05 may be provided near the magnetic latching relay 06 for detecting the temperature inside the socket. The single chip microcomputer 01 is connected with a residual current transformer 02, a resistor divider 03, a current shunt 04, a temperature sensor 05 and a magnetic latching relay state detection circuit 09 respectively, wherein the residual current transformer 02, the resistor divider 03, the current shunt 04, the temperature sensor 05 and the magnetic latching relay state detection circuit 09 connect signals detected in real time to the signal input end of the single chip microcomputer 01. The resistance voltage divider 03 is respectively connected with the live wire and the zero line; the live wire penetrates through the residual current transformer 02 and is sequentially connected with the current shunt 04 and the magnetic latching relay 06, and the zero wire penetrates through the residual current transformer 02 and is connected with the magnetic latching relay 06. The single chip microcomputer 01 controls the magnetic latching relay 06 to be switched on/off according to the effective value and the corresponding preset value of the analog electrical signal output by the residual current transformer 02, the resistance voltage divider 03, the current shunt 04 and the temperature sensor 05 and/or the instantaneous value and the corresponding preset value.
In this embodiment, for example, the temperature sensor 05 connects a signal to the single chip microcomputer 01, and when the single chip microcomputer 01 detects that the internal temperature of the socket is higher than a preset temperature at a certain moment, the single chip microcomputer 01 controls the magnetic latching relay 06 to be switched off to prevent a fire caused by the overhigh internal temperature of the socket, and the power socket is in a power-off state. For example, residual current transformer 02 is with signal connection to singlechip 01, and when singlechip 01 detected that there is residual current, for avoiding the emergence that the electric leakage leads to the incident, singlechip 01 control magnetic latching relay 06 disconnection this moment, and supply socket is in the outage state. When the singlechip receives signals of all parts in the power-on use process of the socket, and when the singlechip detects the phenomena of overcurrent, overvoltage, overtemperature, electric leakage and the like, the power supply can be immediately cut off, so that the power utilization accident can be effectively avoided, and the safe power utilization is ensured.
Further, please continue to refer to fig. 1, a magnetic latching relay driver chip 07 is further disposed on the PCB, the single chip microcomputer 01 is connected to the control end of the magnetic latching relay 06 through the magnetic latching relay driver chip 07, the signal output end of the single chip microcomputer 01 is connected to the magnetic latching relay driver chip 07, and the magnetic latching relay driver chip 07 is used for driving the magnetic latching relay 06 to be turned on/off. The PCB is also provided with a wireless communication module 08, the wireless communication module 08 is in communication connection with the single chip microcomputer 01 through a UART interface, remote communication can be achieved through the communication connection, a user can send a data copying instruction to the single chip microcomputer 01 through the wireless communication module 08 when using the mobile terminal, and the single chip microcomputer 01 sends data required by the user to the user mobile terminal through the wireless communication module 08 after receiving the instruction. The wireless communication module is in wireless connection with the mobile terminal and generates corresponding control signals according to instructions of the mobile terminal to control the on/off of the magnetic latching relay, and when a user is not at home, the power supply can be cut off through the mobile terminal, so that the power utilization accidents caused by nobody at home are avoided.
Further, please continue to refer to fig. 1, the PCB is further provided with a magnetic latching relay state detection circuit 09 connected to the single chip microcomputer 01, and the magnetic latching relay state detection circuit 09 is configured to detect a switching state of the magnetic latching relay 06. The magnetic latching relay state detection circuit sends the detected on/off state of the magnetic latching relay to the single chip microcomputer, the single chip microcomputer sends the door opening state of the magnetic latching relay to a mobile terminal of a user through the wireless module, and the user can know whether the socket is in a power-on state or not at any time when not at home, so that the magnetic latching relay state detection circuit is convenient for the user to use.
Further, please continue to refer to fig. 1, the PCB is further provided with an indicator light 10 connected to the single chip microcomputer 01, when the socket is powered on and used, the single chip microcomputer 01 controls the indicator light 10 to alarm, in order to further distinguish whether the indicator light 10 is in the alarm state, the color corresponding to the indicator light 10 in the alarm state and the color corresponding to the indicator light 10 in the non-alarm state may be set to different colors, or the indicator light 10 in the alarm state is set to continuously flash, and the setting of the indicator light 10 in the alarm state or the non-alarm state is not limited to the above description. The user can learn whether the socket is in the alarm state according to the state of the indicator light, and can learn whether the socket is in the safe power utilization state quickly.
Further, please continue to refer to fig. 1, the PCB is further provided with a networking button 11 connected to the single chip microcomputer 01, the networking button 11 is used to trigger the wireless communication module 08 to perform connection initialization with an external wireless communication network, for example, when the wireless communication module 08 adopts a WIFI communication module with a model WT8266-S1, a WIFI device fast network access configuration technology AirKiss provided by the mobile terminal may be used, and the networking button 11 is used to trigger the wireless communication module 08 of WT8266-S1 to enter an AirKiss distribution network state. The PCB is also provided with a power module 12, and the power module 12 is respectively connected with the singlechip 01, the wireless communication module 08 and the magnetic latching relay driving chip 07; the power module 12 is also connected to the live wire and the neutral wire, respectively. The power module 12 can convert 220V alternating current into 5V and 3V direct current, wherein the 5V direct current supplies power to the magnetic latching relay 06, the 3V direct current supplies power to the wireless communication module 08 and the single chip microcomputer 01, and the power module provides adaptive power for the single chip microcomputer, the wireless communication module and the magnetic latching relay which are installed on the PCB.
Further, referring to fig. 2, the single chip microcomputer 01 includes an analog-to-digital converter ADC13, and the ADC13 is respectively connected to the residual current transformer 02, the resistor divider 03, the current divider 04, the temperature sensor 05, and the magnetic latching relay state detection circuit 09. The single chip microcomputer 01 further comprises an electric energy metering module 14, a residual current monitoring module 15, a battery overcharge monitoring module 16, a fault arc monitoring module 17, a temperature detection module 18, an overcurrent monitoring module 19, an overvoltage monitoring module 20 and a relay state monitoring module 21. The ADC13 is used to convert continuous signals in analog form into discrete signals in digital form, and in fact, to convert voltage signals collected in real time into digital form for easier storage and processing. The ADC13 transmits the acquired signal to the electric energy metering module 14, and the electric energy metering module 14 may obtain real-time data such as corresponding point energy, voltage effective value, current effective value, temperature value, and magnetic latching relay state through related operations. When the residual current monitoring module 15, the battery overcharge monitoring module 16, the fault arc monitoring module 17, the temperature detecting module 18, the overcurrent monitoring module 19 and the overvoltage monitoring module 20 of the single chip microcomputer 01 monitor that respective corresponding effective values are different from respective corresponding preset values, actually, when the socket has overcurrent, overvoltage, overtemperature, battery overcharge, electric leakage and fault arc phenomena in the power-on use process, the single chip microcomputer 01 can immediately control the switch of the magnetic latching relay 06 to be switched off through the magnetic latching relay driving chip 07, and simultaneously the single chip microcomputer 01 controls the indicating lamp 10 to be in an alarm state and alarms a user through the wireless communication module 08, so that the occurrence of power utilization accidents caused by line heating, electric leakage and other reasons can be avoided, and the user can also timely know the power utilization information of the socket, and the safe user is ensured.
The utility model also provides a socket control system, the system includes mobile terminal and the safe socket of being connected with mobile terminal remote, the inside PCB circuit board that is provided with of safe socket, be provided with singlechip, residual current transformer, resistance divider, current shunt, temperature sensor and magnetic latching relay on the PCB circuit board; the singlechip is respectively connected with the residual current transformer, the resistance voltage divider, the current shunt, the temperature sensor and the magnetic latching relay; the resistance voltage divider is respectively connected with the live wire and the zero line; a live wire penetrates through the residual current transformer and is sequentially connected with the current shunt and the magnetic latching relay; the zero line passes through the residual current transformer and is connected with the magnetic latching relay; the single chip microcomputer controls the on/off of the magnetic latching relay according to the effective value and the corresponding preset value of the analog electric signal output by the residual current transformer, the resistor voltage divider, the current divider and the temperature sensor and/or the instantaneous value and the corresponding preset value of the analog electric signal.
Furthermore, a wireless communication module is also arranged on the PCB and is in communication connection with the singlechip through a UART interface; the wireless communication module is used for being wirelessly connected with the mobile terminal and generating a corresponding control signal according to the instruction of the mobile terminal to control the on/off of the magnetic latching relay.
The socket control system comprises a mobile terminal and a safety socket remotely connected with the mobile terminal, and the structure of the safety socket refers to the above embodiments and is not described herein again. It should be understood that, since the socket control system of the present embodiment adopts the technical solution of the safety socket, the socket control system has all the beneficial effects of the safety socket.
The above is only the optional embodiment of the present invention, and not therefore the scope of the present invention is limited, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (10)

1. A safety receptacle, characterized by: a PCB circuit board is arranged in the safety socket, and a single chip microcomputer, a residual current transformer, a resistance voltage divider, a current divider, a temperature sensor and a magnetic latching relay are arranged on the PCB circuit board;
the single chip microcomputer is respectively connected with the residual current transformer, the resistor voltage divider, the current divider, the temperature sensor and the magnetic latching relay state detection circuit;
the resistance voltage divider is respectively connected with the live wire and the zero line;
the live wire penetrates through the residual current transformer and is sequentially connected with the current divider and the magnetic latching relay;
the zero line penetrates through the residual current transformer and is connected with the magnetic latching relay;
the single chip microcomputer controls the on/off of the magnetic latching relay according to the effective value and the corresponding preset value of the analog electric signal output by the residual current transformer, the resistor voltage divider, the current divider and the temperature sensor and/or the instantaneous value and the corresponding preset value of the analog electric signal.
2. The safety socket according to claim 1, wherein a magnetic latching relay driving chip is further provided on the PCB circuit board;
the single chip microcomputer is connected with the control end of the magnetic latching relay through the magnetic latching relay driving chip.
3. The safety socket according to claim 1, wherein a wireless communication module is further arranged on the PCB circuit board, and the wireless communication module is in communication connection with the single chip microcomputer through a UART interface.
4. The safety socket according to claim 1, wherein the PCB is further provided with a magnetic latching relay state detection circuit connected to the single chip microcomputer.
5. The safety socket of claim 1, wherein the PCB is further provided with an indicator light connected to the single chip microcomputer.
6. The safety socket of claim 1, wherein the PCB board is further provided with a networking button connected with the single chip microcomputer.
7. The safety socket according to claim 1, wherein the PCB is further provided with a power module, and the power module is respectively connected with the single chip microcomputer, the wireless communication module and the magnetic latching relay driving chip;
and the power module is also connected with the live wire and the zero wire respectively.
8. The safety jack of any one of claims 1-7, wherein the single-chip microcomputer includes an analog-to-digital converter (ADC) connected to the residual current transformer, the resistive divider, the current shunt, the temperature sensor, and the magnetically held relay-like body detection circuit, respectively.
9. A socket control system is characterized by comprising a mobile terminal and a safety socket remotely connected with the mobile terminal, wherein a PCB (printed circuit board) is arranged in the safety socket, and a singlechip, a residual current transformer, a resistance voltage divider, a current divider, a temperature sensor and a magnetic latching relay are arranged on the PCB;
the single chip microcomputer is respectively connected with the residual current transformer, the resistor voltage divider, the current divider, the temperature sensor and the magnetic latching relay;
the resistance voltage divider is respectively connected with the live wire and the zero line;
the live wire penetrates through the residual current transformer and is sequentially connected with the current divider and the magnetic latching relay;
the zero line penetrates through the residual current transformer and is connected with the magnetic latching relay;
the single chip microcomputer controls the on/off of the magnetic latching relay according to the effective value and the corresponding preset value of the analog electric signal output by the residual current transformer, the resistor voltage divider, the current divider and the temperature sensor and/or the instantaneous value and the corresponding preset value of the analog electric signal.
10. The socket control system according to claim 9, wherein a wireless communication module is further arranged on the PCB, and the wireless communication module is in communication connection with the single chip microcomputer through a UART interface;
the wireless communication module is used for being wirelessly connected with the mobile terminal and generating a corresponding control signal according to an instruction of the mobile terminal to control the on/off of the magnetic latching relay.
CN201921931247.XU 2019-11-08 2019-11-08 Safety socket and socket control system Active CN210535875U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921931247.XU CN210535875U (en) 2019-11-08 2019-11-08 Safety socket and socket control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921931247.XU CN210535875U (en) 2019-11-08 2019-11-08 Safety socket and socket control system

Publications (1)

Publication Number Publication Date
CN210535875U true CN210535875U (en) 2020-05-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921931247.XU Active CN210535875U (en) 2019-11-08 2019-11-08 Safety socket and socket control system

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CN (1) CN210535875U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112310726A (en) * 2020-11-06 2021-02-02 南京康尼新能源汽车零部件有限公司 Power supply plug with temperature monitoring function and control method
CN114094401A (en) * 2021-09-22 2022-02-25 国网安徽省电力有限公司五河县供电公司 Self-recognition connector for high-voltage mutual inductance intelligent control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112310726A (en) * 2020-11-06 2021-02-02 南京康尼新能源汽车零部件有限公司 Power supply plug with temperature monitoring function and control method
CN114094401A (en) * 2021-09-22 2022-02-25 国网安徽省电力有限公司五河县供电公司 Self-recognition connector for high-voltage mutual inductance intelligent control

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