CN210692933U - Socket with improved structure - Google Patents
Socket with improved structure Download PDFInfo
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- CN210692933U CN210692933U CN201922189661.4U CN201922189661U CN210692933U CN 210692933 U CN210692933 U CN 210692933U CN 201922189661 U CN201922189661 U CN 201922189661U CN 210692933 U CN210692933 U CN 210692933U
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Abstract
The utility model relates to a socket, include: the socket comprises a socket shell and a control circuit, wherein the socket shell is provided with jacks and a power line inlet, the control circuit comprises a detector, a delay circuit and a self-locking circuit, the detector, the delay circuit and the self-locking circuit are all arranged inside the socket shell, the power line is connected with the input end of the delay circuit, the output end of the delay circuit is connected with the connection point of the jacks, the detector is connected in series with the power line, the detector detects the current value flowing through the power line, the output end of the detector is connected with the input end of the self-locking circuit, the output end of the self-locking circuit is connected with the connection point of the jacks, and the delay circuit is used for disconnecting the; within the preset time, the current value of the power line detected by the detector is greater than the reference value, the detector outputs a trigger signal to enable the self-locking circuit to be switched on, the current value of the power line detected by the detector is less than or equal to the reference value, and the self-locking circuit is switched off to ensure the electricity safety and reduce the occurrence of fire accidents.
Description
Technical Field
The utility model relates to an electricity safety technical field, concretely relates to socket.
Background
The socket is one of the necessary electrical accessories in people's life, and statistics shows that the conflagration that arouses because supply socket reason accounts for about 30% among the fire accident takes place in china, and the position is at first in all kinds of conflagrations, and consequently, the potential safety hazard that the socket exists is not a little worth.
At present, more and more electrical appliances are used in each family, but the sockets can be closed in time when the electrical appliances are used up, and a certain place can be electrified all the year round until a line is aged, and particularly when no one is at home, some electrical appliances are still in a long-term electrified state, so that a fire disaster is easily caused.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a socket to ensure the safety of power consumption.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a socket, comprising: a socket housing and a control circuit;
the socket shell is provided with a jack and a power line inlet, the jack is used for being matched with a plug of electric equipment, and the power line inlet is used for being connected with a power line;
the control circuit comprises a detector, a delay circuit and a self-locking circuit, and the detector, the delay circuit and the self-locking circuit are all arranged in the socket shell;
the power line is connected with the input end of the delay circuit, and the output end of the delay circuit is connected with the connection point of the jack;
the detector is connected in series with the power line and used for detecting the current value flowing through the power line, the output end of the detector is connected with the input end of the self-locking circuit, and the output end of the self-locking circuit is connected with the connection point of the jack;
the delay circuit is used for disconnecting the connection point of the jack from the power line after preset time; and in the preset time, the detector detects that the current value of the power line is greater than a reference value, the detector outputs a trigger signal to enable the self-locking circuit to be switched on, the detector detects that the current value of the power line is less than or equal to the reference value, and the self-locking circuit is switched off.
Optionally, the delay circuit includes a time relay and a contact switch;
the power line is connected with the first input end of the time relay, the power line is also connected with one end of the contact switch, and the other end of the contact switch is connected with the second input end of the time relay;
and the output ends of the time relays are connected with the connection points of the jacks.
Optionally, the detector is a current transformer;
the current transformer is connected in series with the power line, and the output end of the current transformer is connected with the self-locking circuit;
the current transformer is used for detecting the current value flowing through the power line, and when the current transformer detects that the current value is larger than the reference value, a trigger signal is output to the self-locking circuit.
Optionally, the self-locking circuit includes a coupling power supply and a relay;
the input end of the coupling power supply is connected with the output end of the current transformer, the output end of the coupling power supply is connected with the relay, and the relay is also connected with the connection point of the jack;
the coupling power supply is used for receiving a trigger signal of the current transformer and outputting a control voltage, and the control voltage controls the relay to be conducted.
Optionally, the socket further includes an interlock switch;
one end of the interlocking switch is connected with the power line, and the other end of the interlocking switch is connected with the connection point of the jack;
the interlock switch is used for switching on or switching off the connection of the power line and the connection point of the jack.
Optionally, the jacks include a universal serial bus jack, a three-hole jack and a two-hole jack;
the universal serial bus socket, the three-hole socket and the two-hole socket are all used for matching with a plug of the electric equipment.
Optionally, a fixing clamp ring is arranged at the inlet of the power line;
the retaining clip retains the power cord such that the power cord remains stationary relative to the receptacle housing.
Optionally, the socket housing is made of a flame-retardant high-temperature-resistant material.
Optionally, the socket further includes a fuse;
the fuse connect in series in on the power cord, when connecting the consumer of power cord short circuit, the fuse disconnection the power cord with the connection of the tie point of jack.
Optionally, the socket further includes an indicator light;
the indicator light is connected with the power line, and the indicator light indicates the power-on and power-off state of the socket.
The utility model discloses a socket, including socket shell and control circuit, socket shell is provided with jack and power cord entry, the jack is used for matching the plug of consumer, the power cord entry is used for inserting the power cord, control circuit includes detector, delay circuit and self-locking circuit, detector, delay circuit and self-locking circuit all set up in socket shell, delay circuit is after delaying the preset time automatic disconnection power cord and jack's tie point, in the preset time, if the consumer that the jack is connected is in the operating condition, the detector detects the current value of power cord and is greater than the benchmark value, detector output control signal makes self-locking circuit switch on simultaneously, the tie point of power cord and jack is in the conducting state, when in the preset time, if the consumer that the jack is connected is in idle state, the detector detects the current value of power cord and is less than or equal to the benchmark value, at the moment, the self-locking circuit is in a disconnected state, and the connection point of the power line and the jack is in a disconnected state. Therefore, by adopting the technical scheme of the invention, the power supply can be ensured to be connected when the electric equipment is in a working state, and the connection between the electric equipment and the power supply can be timely disconnected when the electric equipment is idle, so that the fire problem caused by short circuit due to idle electric equipment is avoided, and the electric safety is better 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, 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 schematic structural diagram of a socket according to an embodiment of the present invention;
FIG. 2 is a circuit schematic of the control circuit of the jack of FIG. 1;
fig. 3 is a schematic structural diagram of a socket according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of another socket according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of 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.
Fig. 1 is a schematic structural diagram of a socket according to an embodiment of the present invention, and fig. 2 is a schematic circuit diagram of a control circuit of the socket in fig. 1.
As shown in fig. 1 and 2, a socket of the present embodiment includes: the socket comprises a socket shell 1 and a control circuit, wherein the socket shell 1 is provided with a jack 11 and a power line inlet 12, the jack 11 is used for matching with a plug of an electric device B, the power line inlet 12 is used for connecting a power line A, the control circuit comprises a detector 21, a delay circuit 22, a self-locking circuit 23 and the detector 21, the delay circuit 22 and the self-locking circuit 23 are both arranged inside the socket shell 1, the power line A is connected with the input end of the delay circuit 22, the output end of the delay circuit 22 is connected with the connection point of the jack 11, the detector 21 is connected in series with the power line A, the detector 21 is used for detecting the current value flowing through the power line A, the output end of the detector 21 is connected with the input end of the self-locking circuit 23, the output end of the self-locking circuit 23 is connected with the connection point of the jack 11, and the delay circuit 22 is used for disconnecting the connection point of the jack 11 and the power line A after preset time; within a preset time, the detector 21 detects that the current value of the power line a is greater than a reference value, the detector 21 outputs a trigger signal to enable the self-locking circuit 23 to be switched on, the detector 21 detects that the current value of the power line a is less than or equal to the reference value, and the self-locking circuit 23 is switched off. The detector 21 sets a no-load reference value for the current in the line according to the load condition of the detector 21 when the detector leaves a factory, the reference value can be set automatically, and can be zero or other values, in this embodiment, no clear limitation is performed, the detector 21 detects that the current value of the power line a is greater than the reference value within a preset time, the detector 21 outputs a trigger signal to enable the self-locking circuit 23 to be switched on, the detector 21 detects that the current value of the power line a is less than or equal to the reference value, and the self-locking circuit 23 is switched off, so that the power utilization safety is ensured, and the occurrence of fire accidents is reduced.
The "+" - "shown in fig. 2 indicates the current direction, the current flows from" + "to" - ", specifically, the electric device B is inserted into the jack 11 of the socket through the plug, a delay circuit 22, a detector 21 and a self-locking circuit 23 are arranged between the jack 11 and the power line a, the electric device B is convenient for the power line a to establish a power-on connection, the delay circuit 22 is used for disconnecting the power line a from the electric device B after the power line a and the electric device B are connected, the detector 21 arranged on the power line a is mainly used for detecting the current value flowing on the power line a, when the electric device B is not inserted into the socket, if the inserted electric device B is in a non-working state, no current flows on the power line a, especially during the charging process, many users directly take the charging device after the charging is completed, the charger is continuously plugged into the socket, and under the condition, the socket can be better ensured to be safe when being powered off, therefore, the self-locking circuit 23 is arranged for powering off, the purpose of the self-locking circuit 23 is to control the conduction or the cut-off of the electric equipment B and the power line A, the self-locking circuit 23 and the delay circuit 22 are understood to be connected between the power line A and the connection point of the jack 11 in parallel, and the delay circuit 22 can be automatically switched off after the target time, so that the self-locking circuit 23 is used for determining whether the power line A is connected with the electric equipment B. The output signal of the detector 21 is the output signal for controlling the on/off of the self-locking circuit 23, the output signal of the detector 21 depends on whether the belt equipment is in a working state, so that a closed loop is formed, when the electric equipment B works, the detector 21 detects that the current value is greater than the reference value, the trigger signal is output to the self-locking circuit 23, the self-locking circuit 23 is on, the power line a is on with the electric equipment B, and can provide working voltage for the electric equipment B, when the electric equipment B does not work, the detector 21 detects that the current value on the power line a is less than or equal to the reference value, the detector 21 does not output the trigger signal, therefore, the self-locking circuit 23 has no control signal, the self-locking circuit 23 is in an off state, the power line a is disconnected from the electric equipment B, and the jack 11 is ensured to.
The socket provided by the embodiment comprises a socket shell 1 and a control circuit, wherein the socket shell 1 is provided with a jack 11 and a power line inlet 12, the jack 11 is used for matching with a plug of an electric device B, the power line inlet 12 is used for accessing a power line A, the control circuit comprises a detector 21, a delay circuit 22 and a self-locking circuit 23, the detector 21, the delay circuit 22 and the self-locking circuit 23 are all arranged inside the socket shell 1, the delay circuit 22 automatically disconnects the connection point of the power line A and the jack 11 after delaying for a preset time, within the preset time, if the electric device B connected with the jack 11 is in a working state, the detector 21 detects that the current value of the power line A is greater than a reference value, meanwhile, the detector 21 outputs a control signal to enable the self-locking circuit 23 to be conducted, the connection point of the power line A and the jack 11 is in a conducting state, and within the preset time, if, when the detector 21 detects that the current value of the power line a is less than or equal to the reference value, the self-locking circuit 23 is in a disconnected state, and the connection point of the power line a and the jack 11 is in a disconnected state. Therefore, by adopting the technical scheme of the invention, the power supply can be ensured to be switched on when the electric equipment B is in a working state, and the connection between the electric equipment B and the power supply can be timely switched off when the electric equipment B is idle, so that the fire problem caused by short circuit due to the idle state of the electric equipment B is avoided, and the electric safety is better ensured.
Fig. 3 is another schematic structural diagram of the socket according to the embodiment of the present invention, and fig. 4 is another schematic circuit diagram of the socket according to the embodiment of the present invention.
Further, as shown in fig. 4, the delay circuit 22 of the present embodiment includes a time relay 221 and a contact switch 222, wherein a power line a is connected to a first input terminal of the time relay 221, the power line a is further connected to one end of the contact switch 222, the other end of the contact switch 222 is connected to a second input terminal of the time relay 221, and output terminals of the time relay 221 are connected to connection points of the jack 11. Detector 21 is current transformer, current transformer connects in series on power cord A, current transformer's output links to each other with self-locking circuit 23, current transformer is used for detecting the current value of flowing through power cord A, current transformer detects output trigger signal to self-locking circuit 23 when the current value is greater than the benchmark value, self-locking circuit 23 includes coupling power supply 231 and relay 232, coupling power supply 231's input links to each other with current transformer's output, coupling power supply 231's output links to each other with relay 232, relay 232 still links to each other with the tie point of jack 11, coupling power supply 231 is used for receiving current transformer's trigger signal output control voltage, control voltage control relay 232 switches on.
①②③④⑤⑥⑦⑧ in the figure, in a specific implementation process, the contact switch 222 is pressed to make the second input terminal of the time relay 221 conduct with the power line a, and at the same time, ① and ④ of the time relay 221 are closed and conducted, and will automatically turn off after a preset time, if there is an electrical device B working within a preset time, the transformer detects that the current value is greater than a reference value, at this time, a trigger signal is output to the coupling power supply 231, the coupling power supply 231 outputs a control voltage, the control voltage drives the pin ③ and ④ of the relay 232 to conduct, the relay 232 conducts the power line a and the electrical device B, the self-locking circuit 23 works, and the socket is in a power supply state.
Further, as shown in fig. 3 and 4, the socket of this embodiment further includes an interlock switch 3, one end of the interlock switch 3 is connected to the power line a, the other end of the interlock switch 3 is connected to the connection point of the jack 11, and the interlock switch 3 is configured to turn on or off the connection of the power line a and the connection point of the jack 11. The interlocking switch 3 is used for realizing one-key conduction or cut-off, when the interlocking switch 3 is pressed down, the current is directly connected with the electric equipment B through the interlocking switch 3, and the power supply is directly disconnected with the electric equipment B when the power supply is disconnected.
As shown in fig. 4, the jack 11 of the present embodiment includes a universal serial bus jack 111, a three-hole jack 112, and a two-hole jack 113, and the universal serial bus jack 111, the three-hole jack 112, and the two-hole jack 113 are all used to match the plug of the electric device B. The sockets with different specifications can meet different requirements of different users, and the use of the users is more convenient.
Further, the socket of this embodiment may further include a fixing clip ring at the power line inlet 12, and the fixing clip ring fixes the power line a so that the power supply remains stationary with respect to the socket housing 1. The fixed snap ring can reduce the relative motion of the control circuit and the like in the socket shell 1, can better reduce the occurrence of bad contact events, and can ensure that the problems of electric leakage and the like can not occur.
In order to further ensure the safety in use, the socket housing 1 of the embodiment is made of a flame-retardant and high-temperature-resistant material, and the fuse is connected to the power line a in series, so that when the electric equipment B connected to the power line a is short-circuited, the fuse breaks the connection between the power line a and the connection point of the jack 11, the safety of the socket and the safety of electricity consumption are ensured, and meanwhile, the safety of the electric equipment B can also be ensured.
Further, as shown in fig. 3, the socket of the present embodiment further includes an indicator light 4, the indicator light 4 is connected to the power line a, and the indicator light 4 indicates the power-on/power-off state of the socket. The indicator light 4 can make the user more clearly understand the current state of the socket, and is more convenient for the user to use the socket.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A socket, comprising: a socket housing and a control circuit;
the socket shell is provided with a jack and a power line inlet, the jack is used for being matched with a plug of electric equipment, and the power line inlet is used for being connected with a power line;
the control circuit comprises a detector, a delay circuit and a self-locking circuit, and the detector, the delay circuit and the self-locking circuit are all arranged in the socket shell;
the power line is connected with the input end of the delay circuit, and the output end of the delay circuit is connected with the connection point of the jack;
the detector is connected in series with the power line and used for detecting the current value flowing through the power line, the output end of the detector is connected with the input end of the self-locking circuit, and the output end of the self-locking circuit is connected with the connection point of the jack;
the delay circuit is used for disconnecting the connection point of the jack from the power line after preset time; and in the preset time, the detector detects that the current value of the power line is greater than a reference value, the detector outputs a trigger signal to enable the self-locking circuit to be switched on, the detector detects that the current value of the power line is less than or equal to the reference value, and the self-locking circuit is switched off.
2. The receptacle of claim 1, wherein the delay circuit comprises a time relay and a contact switch;
the power line is connected with the first input end of the time relay, the power line is also connected with one end of the contact switch, and the other end of the contact switch is connected with the second input end of the time relay;
and the output ends of the time relays are connected with the connection points of the jacks.
3. The receptacle of claim 1, wherein the detector is a current transformer;
the current transformer is connected in series with the power line, and the output end of the current transformer is connected with the self-locking circuit;
the current transformer is used for detecting the current value flowing through the power line, and when the current transformer detects that the current value is larger than the reference value, a trigger signal is output to the self-locking circuit.
4. The receptacle of claim 3, wherein the latching circuit comprises a coupled power source and a relay;
the input end of the coupling power supply is connected with the output end of the current transformer, the output end of the coupling power supply is connected with the relay, and the relay is also connected with the connection point of the jack;
the coupling power supply is used for receiving a trigger signal of the current transformer and outputting a control voltage, and the control voltage controls the relay to be conducted.
5. The receptacle of claim 1, further comprising an interlock switch;
one end of the interlocking switch is connected with the power line, and the other end of the interlocking switch is connected with the connection point of the jack;
the interlock switch is used for switching on or switching off the connection of the power line and the connection point of the jack.
6. The receptacle of claim 1, wherein the jacks include a universal serial bus jack, a three-hole jack, and a two-hole jack;
the universal serial bus socket, the three-hole socket and the two-hole socket are all used for matching with a plug of the electric equipment.
7. The socket of claim 1, wherein a fixed snap ring is provided at the power cord inlet;
the retaining clip retains the power cord such that the power cord remains stationary relative to the receptacle housing.
8. The receptacle of claim 1, wherein the material of the receptacle housing is a flame retardant, high temperature resistant material.
9. The receptacle of claim 1, further comprising a fuse;
the fuse connect in series in on the power cord, when connecting the consumer of power cord short circuit, the fuse disconnection the power cord with the connection of the tie point of jack.
10. The receptacle of any one of claims 1-9, further comprising an indicator light;
the indicator light is connected with the power line, and the indicator light indicates the power-on and power-off state of the socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922189661.4U CN210692933U (en) | 2019-12-09 | 2019-12-09 | Socket with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922189661.4U CN210692933U (en) | 2019-12-09 | 2019-12-09 | Socket with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210692933U true CN210692933U (en) | 2020-06-05 |
Family
ID=70902108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922189661.4U Active CN210692933U (en) | 2019-12-09 | 2019-12-09 | Socket with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210692933U (en) |
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2019
- 2019-12-09 CN CN201922189661.4U patent/CN210692933U/en active Active
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