CN215266944U - Safety protection socket - Google Patents
Safety protection socket Download PDFInfo
- Publication number
- CN215266944U CN215266944U CN202120198102.4U CN202120198102U CN215266944U CN 215266944 U CN215266944 U CN 215266944U CN 202120198102 U CN202120198102 U CN 202120198102U CN 215266944 U CN215266944 U CN 215266944U
- Authority
- CN
- China
- Prior art keywords
- circuit
- current
- detection circuit
- output end
- relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims description 64
- 230000007613 environmental effect Effects 0.000 claims description 9
- 230000009347 mechanical transmission Effects 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 8
- 230000003993 interaction Effects 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Protection Of Static Devices (AREA)
Abstract
The utility model discloses a safety protection socket, which comprises a shell and a circuit board arranged inside the shell, wherein the circuit board is provided with a current sensor, a control circuit, a relay and a charging circuit which are connected in series in sequence; the input end of the current sensor is connected with a charging current, and the control circuit comprises a current comparison circuit; the first input end of the current comparison circuit is connected with the output end of the current sensor, the second input end of the current comparison circuit is connected with a constant current circuit used for outputting a plurality of different reference currents through a control switch, and the output end of the current comparison circuit is connected with the relay. The utility model discloses can solve because of the heavy current emergence unsafe accident that causes of short circuit fault in the socket.
Description
Technical Field
The utility model relates to the technical field of electrical apparatus, especially, relate to a safety protection socket.
Background
The current socket is a commonly used electrical equipment, belongs to the articles for use that are essential in the life. One socket can be connected with a plurality of electrical equipment to supply power to the electrical equipment, so that a socket circuit is easy to generate faults, and the faults are common short-circuit faults. The large current caused by the short circuit fault generates high temperature and high heat, further generates smoke and flame, generates electricity leakage and fire, and causes unsafe accidents. Therefore, the safety of the socket is very important for the safety of the electric devices. The existing socket has a single function, cannot monitor large current caused by short-circuit faults, and cannot effectively pre-warn and protect unsafe accidents.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a safety protection socket, so that unsafe accidents caused by high current in a socket due to short-circuit faults can be avoided.
The utility model provides a safety protection socket, which comprises a shell and a circuit board arranged inside the shell, wherein the circuit board is provided with a current sensor, a control circuit, a relay and a charging circuit which are connected in series in sequence; the input end of the current sensor is connected with a charging current, and the control circuit comprises a current comparison circuit;
the first input end of the current comparison circuit is connected with the output end of the current sensor, the second input end of the current comparison circuit is connected with a constant current circuit used for outputting a plurality of different reference currents through a control switch, and the output end of the current comparison circuit is connected with the relay.
Preferably, the method further comprises the following steps: the environment state detection circuit is arranged on the circuit board and connected with the relay, and the alarm device is connected with the environment state detection circuit.
Preferably, the alarm device comprises a visual alarm and an audible alarm.
Preferably, the method further comprises the following steps: and the display device is connected with the output end of the current comparison circuit and the output end of the environment state detection circuit.
Preferably, the method further comprises the following steps: and the wireless communication equipment is connected with the output end of the current comparison circuit and the output end of the environment state detection circuit and is in communication connection with terminal equipment.
Preferably, the housing is provided with a jack and a movable hole cover corresponding to the jack, the housing is internally provided with a mechanical transmission device, a power output end of the mechanical transmission device is connected with the hole cover, and a signal control end of the mechanical transmission device is connected with an output end of the environment state detection circuit.
Preferably, the environmental state detection circuit includes: the device comprises a water vapor detection circuit, a temperature detection circuit, a smoke detection circuit and a flame detection circuit.
Preferably, the method further comprises the following steps: the blowing device is arranged inside the shell and connected with the environment state monitoring circuit.
Preferably, the alarm device comprises a plurality of alarms for sending different alarm signals, and the alarms are respectively connected with the water vapor detection circuit, the temperature detection circuit, the smoke detection circuit and the flame detection circuit.
Preferably, the safety shield receptacle further comprises: the input end of the signal receiving circuit is connected with the human-computer interaction equipment, and the output end of the signal receiving circuit is connected with the relay;
the control circuit further comprises a voice control circuit, and the output end of the voice control circuit is connected with the relay.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the utility model provides a safety protection socket, which comprises a shell and a circuit board arranged inside the shell, wherein the circuit board is provided with a current sensor, a control circuit, a relay and a charging circuit which are sequentially connected in series; the input end of the current sensor is connected with the charging current, and the control circuit comprises a current comparison circuit and a voice control circuit. The first input end of the current comparison circuit is connected with the current sensor, the second input end of the current comparison circuit is respectively connected with the constant current circuit used for outputting a plurality of different reference currents through the control switch, and the output end of the current comparison circuit is connected with the relay. The second input end of the current comparison circuit can be controlled to receive currents with different magnitudes as reference currents through the control switch, the relay is controlled to be switched off and switched on, and when the current detected by the current sensor is larger than the reference currents, the relay is controlled to be switched off, so that the charging circuit and the charging electric appliance are protected, and unsafe accidents caused by large currents in short-circuit faults in the socket are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are 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 block diagram of a circuit board in a safety protection socket provided by the present invention;
fig. 2 is a schematic block diagram of the control circuit of fig. 1 provided by the present invention;
fig. 3 is a schematic block diagram of the environmental condition detection circuit in fig. 1 according to the present invention.
Detailed Description
In order to make the present application more clearly understood by those skilled in the art to which the present application pertains, the following detailed description of the present application is made with reference to the accompanying drawings by way of specific embodiments.
The utility model provides a safety protection socket, which comprises a shell and a circuit board arranged inside the shell, wherein the circuit board is provided with a current sensor 1, a control circuit 2, a relay 3 and a charging circuit 4 which are sequentially connected in series as shown in figure 1; the input terminal of the current sensor 1 is connected to the charging current, and as shown in fig. 2, the control circuit 2 includes a current comparing circuit 21 and a sound control circuit 22.
The first input end of the current comparison circuit 21 is connected with the output end of the current sensor 1, the second input end of the current comparison circuit 21 is connected with a constant current circuit for outputting a plurality of different reference currents through a control switch, and the output end of the current comparison circuit 21 is connected with the relay 3. By controlling the switching of the control switch, the second input terminal of the current comparison circuit 21 can be controlled to access reference currents of different magnitudes.
The first input end of the current comparison circuit 21 is connected with the current sensor 1 to receive the charging current collected by the current sensor 1, the second input end of the current comparison circuit 21 is connected with a constant current circuit used for outputting a plurality of different reference currents through a control switch, the current comparison circuit 21 compares the current accessed by the first input end with the current accessed by the second input end, if the current accessed by the first input end is larger than the current accessed by the second input end, the output end of the current comparison circuit 21 outputs an electric signal to the relay 3 to control the relay 3 to be switched off, the charging circuit 4 is not switched on the charging current, and the charging of the charging electric appliance cannot be carried out. If the current accessed by the first input end is smaller than the current accessed by the second input end, the output end of the current comparison circuit 21 outputs an electric signal to the relay 3 to control the relay 3 to be closed, and the charging circuit 4 is connected with the charging current to charge the charging electric appliance.
In one embodiment, the control switch may be a plurality of temperature controlled switches. When the temperature control switch reaches the corresponding temperature control threshold value, that is, when the temperature of the environment where the socket is located reaches the preset temperature value, the temperature control switch is closed, the second input end of the current comparison circuit 21 is connected with the corresponding constant current circuit, and the constant current circuit is used for outputting the reference current. The temperature control thresholds corresponding to different temperature control switches are different, that is, the current comparison circuit 21 is switched on different constant current circuits at different temperatures, that is, different currents with different magnitudes are switched in at different temperatures as reference currents. The reference currents at different temperatures are different, and may be set to a lower value when the temperature is higher and to a higher value when the temperature is lower. When the temperature is higher, the socket dissipates heat more slowly, and the reference current is set to be a lower value, so that unsafe accidents caused by larger current in the charging process can be further avoided.
The output end of the voice control circuit 22 is connected with the relay 3, and a user can control the relay 3 to be disconnected through voice.
The safety protection socket further comprises: an environment state detection circuit 5, an alarm device 6, a display device and a wireless communication device.
The environmental state detection circuit 5 is arranged on the circuit board and connected with the relay 3, and can control the relay 3 to be disconnected according to the environmental state detection signal. The alarm device 6 is connected to the environmental state detection circuit 5, and can give an alarm according to an output signal of the environmental state detection circuit 5.
The alarm device 6 includes a visual alarm and an audible alarm. The visual alarm may be a colored LED (Light Emitting Diode) lamp and the audible alarm may be a buzzer.
The alarm device 6 comprises a plurality of alarms for sending different alarm signals, and the plurality of alarms are respectively connected with the water vapor detection circuit 51, the temperature detection circuit 52, the smoke detection circuit 53 and the flame detection circuit 54. The moisture detection circuit 51 may be a humidity sensor and a signal receiving circuit connected to the humidity sensor. The flame detection circuit 54 may be a far infrared flame sensor and a signal receiving circuit connected to the far infrared flame sensor, or an ultraviolet flame sensor and a signal receiving circuit connected to the ultraviolet flame sensor.
The display device is connected to the output end of the current comparing circuit 21 and the output end of the environment state detecting circuit 5, and the display device can be used for displaying the output result of the current comparing circuit 21 and the output result of the environment state detecting circuit 5. For example, the display device may display whether the charging current exceeds the reference current, and the environmental state detection data.
The wireless communication equipment is connected with the output end of the current comparison circuit 21 and the output end of the environment state detection circuit 5, and the wireless communication equipment is in communication connection with the terminal equipment.
As shown in fig. 3, the environmental state detection circuit 5 includes: a moisture detection circuit 51, a temperature detection circuit 52, a smoke detection circuit 53, and a flame detection circuit 54. The moisture detection signal of the moisture detection circuit 51 to the socket environment, the temperature detection signal of the temperature detection circuit 52 to the socket environment, the smoke detection signal of the smoke detection circuit 53 to the socket environment, and the flame detection signal of the flame detection circuit 54 to the socket environment can be displayed by the display device.
When the environment state detection circuit 5 detects that the socket environment is abnormal, the relay 3 is controlled to be switched off. For example, when the environment detection circuit detects that the moisture in the socket environment is large, the control relay 3 is turned off to avoid disconnection.
The safety protection socket further comprises: the blowing device is arranged inside the shell and is connected with the environment state monitoring circuit. For example, when the moisture detection circuit 51 detects that the moisture of the environment where the socket is located is more, the blowing device is controlled to work, so that the socket can be quickly air-dried, and the short circuit of the internal circuit of the socket is avoided.
The shell is provided with a jack and a movable hole cover corresponding to the jack, the shell is internally provided with a mechanical transmission device, the power output end of the mechanical transmission device is connected with the hole cover, and the signal control end of the mechanical transmission device is connected with the output end of the environment state detection circuit 5.
When the environment state detection circuit 5 detects that the corresponding accident condition occurs in the socket environment, the hole cover can be controlled to move, and the jacks are closed. For example, when the moisture detection circuit 51 detects that moisture in the socket is increased, the control hole cover moves to close the jack, so as to prevent more moisture from entering the socket.
The safety protection socket further comprises: and the input end of the signal receiving circuit is connected with the human-computer interaction equipment, and the output end of the signal receiving circuit is connected with the relay 3.
The man-machine interaction device can be a terminal device which receives a user instruction and outputs a control signal, and the signal receiving circuit can receive the control signal output by the user through the man-machine interaction device and then outputs a corresponding electric signal to control the relay 3 to be opened or closed.
To sum up, the safety protection socket provided by the utility model comprises a shell and a circuit board arranged inside the shell, wherein the circuit board is provided with a current sensor 1, a control circuit 2, a relay 3 and a charging circuit 4 which are connected in series in sequence; the input end of the current sensor 1 is connected with the charging current, and the control circuit 2 comprises a current comparison circuit 21 and a voice control circuit 22. A first input end of the current comparison circuit 21 is connected with the current sensor 1, a second input end of the current comparison circuit 21 is respectively connected with a constant current circuit for outputting a plurality of different reference currents through a control switch, and an output end of the current comparison circuit 21 is connected with the relay 3. The second input end of the current comparison circuit 21 can be controlled to receive currents with different magnitudes as reference currents through the control switch, so that the relay 3 is controlled to be switched on and off, and when the current detected by the current sensor 1 is larger than the reference currents, the relay 3 is controlled to be switched off, so that the charging circuit 4 and the charging electric appliance are protected, and unsafe accidents caused by large currents due to short-circuit faults in the socket are solved.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A safety protection socket is characterized by comprising a shell and a circuit board arranged in the shell, wherein the circuit board is provided with a current sensor, a control circuit, a relay and a charging circuit which are sequentially connected in series; the input end of the current sensor is connected with a charging current, and the control circuit comprises a current comparison circuit;
the first input end of the current comparison circuit is connected with the output end of the current sensor, the second input end of the current comparison circuit is connected with a constant current circuit used for outputting a plurality of different reference currents through a control switch, and the output end of the current comparison circuit is connected with the relay;
the safety protection socket further comprises: the environment state detection circuit is arranged on the circuit board and connected with the relay, and the alarm device is connected with the environment state detection circuit; the environmental state detection circuit includes: the device comprises a water vapor detection circuit, a temperature detection circuit, a smoke detection circuit and a flame detection circuit.
2. The safety shield receptacle of claim 1, wherein the alarm device comprises a visual alarm and an audible alarm.
3. The safety shield receptacle of claim 1, further comprising: and the display device is connected with the output end of the current comparison circuit and the output end of the environment state detection circuit.
4. The safety shield receptacle of claim 1, further comprising: and the wireless communication equipment is connected with the output end of the current comparison circuit and the output end of the environment state detection circuit and is in communication connection with terminal equipment.
5. The safety protection jack of claim 1, wherein the housing is provided with a jack and a movable hole cover corresponding to the jack, the housing is internally provided with a mechanical transmission device, a power output end of the mechanical transmission device is connected with the hole cover, and a signal control end of the mechanical transmission device is connected with an output end of the environment state detection circuit.
6. The safety shield receptacle of claim 1, further comprising: the blowing device is arranged inside the shell and connected with the environment state monitoring circuit.
7. The safety vent of claim 1, wherein the alarm device comprises a plurality of alarms for emitting different alarm signals, and the plurality of alarms are respectively connected to the moisture detection circuit, the temperature detection circuit, the smoke detection circuit, and the flame detection circuit.
8. The safety shield receptacle of claim 1, further comprising: the input end of the signal receiving circuit is connected with the human-computer interaction equipment, and the output end of the signal receiving circuit is connected with the relay;
the control circuit further comprises a voice control circuit, and the output end of the voice control circuit is connected with the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198102.4U CN215266944U (en) | 2021-01-25 | 2021-01-25 | Safety protection socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198102.4U CN215266944U (en) | 2021-01-25 | 2021-01-25 | Safety protection socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215266944U true CN215266944U (en) | 2021-12-21 |
Family
ID=79499463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120198102.4U Expired - Fee Related CN215266944U (en) | 2021-01-25 | 2021-01-25 | Safety protection socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215266944U (en) |
-
2021
- 2021-01-25 CN CN202120198102.4U patent/CN215266944U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105093076A (en) | Online abnormity monitor of high tension switchgear | |
| CN201528224U (en) | High-tension line electrified detecting and locking device | |
| CN111298331A (en) | Intelligent fireproof power distribution cabinet | |
| CN211293018U (en) | Novel ammeter case is prevented fires device | |
| CN211912506U (en) | Intelligent fireproof power distribution cabinet | |
| CN215266944U (en) | Safety protection socket | |
| CN103063960A (en) | Household electric energy quality monitoring and control device | |
| CN107769158A (en) | A kind of safe leakage protection circuit | |
| CN216086135U (en) | Online comprehensive intelligent circuit breaker | |
| CN206097360U (en) | Air switch early -warning control system | |
| CN114069334A (en) | But remote control's smart jack | |
| CN113877102A (en) | Intelligent fire detection and extinguishing system based on closed switch cabinet | |
| CN204577975U (en) | A kind of SF6 equipment pressure light alarming device | |
| CN207320810U (en) | A kind of safe leakage protection circuit | |
| CN201937242U (en) | Monitoring device of surge protector | |
| CN220627178U (en) | 32-channel leakage electric fire monitoring device for wireless communication | |
| CN220627177U (en) | 32-path temperature measurement electric fire monitoring device with wireless communication | |
| CN200996976Y (en) | Abnormal-voltage alarming indicater in grounding system | |
| CN215995372U (en) | Multifunctional intelligent monitoring and automatic fire extinguishing device for electrical cabinet | |
| CN212258388U (en) | Safety electricity utilization protection device | |
| CN208689405U (en) | Computer equipment monitoring system | |
| CN216486718U (en) | Fire monitoring system | |
| CN205231501U (en) | Distribution network automation cubical switchboard | |
| CN220604124U (en) | Alarm device for automatically extinguishing fire and preventing electric fire | |
| CN204793825U (en) | Wireless temperature measurement cubical switchboard intelligence operating panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |