CN204760675U - Multi -functional safe socket group - Google Patents
Multi -functional safe socket group Download PDFInfo
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- CN204760675U CN204760675U CN201520456914.9U CN201520456914U CN204760675U CN 204760675 U CN204760675 U CN 204760675U CN 201520456914 U CN201520456914 U CN 201520456914U CN 204760675 U CN204760675 U CN 204760675U
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- power supply
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- supply unit
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Abstract
The utility model relates to a multi -functional safe socket group, it includes power supply unit, base and takes the plug of wire, the power supply unit adopts the columnar structure, and the power supply unit vertical fixation sets up on the base, and the one end connecting plug of wire, its other end connect the power input end of power supply unit, be provided with a plurality of sockets and switch on the side of power supply unit. The power supply unit includes socket, switch, host system and each status indicator lamp who is connected with host system, power indicator, relay, thunderbolt protection circuit, electric leakage temperature measurement circuit and voltage/current detecting circuit. The beneficial effects of the utility model are that: can give the power supply of multiple consumer simultaneously, and have multiple power consumption protect function such as earth leakage protection, excess temperature protection, overvoltage protection and overload protection, can guarantee the safety of user and consumer fully.
Description
Technical field
The utility model belongs to jack technology field, is specifically related to a kind of Multi-functional safe socket group.
Background technology
Along with the universal use of a large amount of middle-size and small-size power consumption equipment, people need various supply socket to power to power consumption equipment.Electric wire like cobweb and socket under computer desk or in living area in office, as rattan branch, be wrapped in underfooting, there is very large electrical fire and electric shock hidden danger, the quality and performance problem of therefore supply socket is brought into schedule.And design a kind of can power supply and to have the supply socket of multi-protective function very necessary for multiple power consumption equipment.
The supply socket had in prior art only has lightning protection function, and this function is realized by surge element.Some supply sockets only have creepage protection function, and this function realizes by arranging leakage switch in supply socket.There is following shortcoming in the supply socket of this band leakage switch: the volume and the cost that 1) increase supply socket; 2) the electric leakage operating value of leakage switch is fixing, can not adjust flexibly.Although some supply sockets add overload protection function, this function is realized by the sheet metal of two panels different materials.This supply socket has following shortcoming: 1) when overload values is more than 1.5 times, and two hours ability open circuits, operate time is long.2) poor reliability of two metal sheets, may be failure to actuate sometimes, does not have the effect of overload protection.
Utility model content
In order to solve the problems referred to above that prior art exists, the utility model provides a kind of Multi-functional safe socket group.
The technical scheme that the utility model adopts is: a kind of Multi-functional safe socket group comprises the plug of power supply unit, base and band wire; Described power supply unit adopts column structure, and described power supply unit is vertically fixedly installed on described base, and one end of described wire connects described plug, and its other end connects the power input of described power supply unit; The side of described power supply unit is provided with some sockets and mains switch.
Further, described socket adopts Three-hole socket, two spring hole scokets or USB socket.
Further, the top of described power supply unit is fixedly installed leader, and described handle adopts arc, shaped as frame or T-shaped structure.
Further, described power supply unit comprises socket, mains switch, state indicator board, power supply indicator, relay, main control module, lightning protection circuit, electric leakage temperature sensing circuit and voltage and current detection circuit; The earth terminal of described socket is connected with ground wire, its zero line side is connected with zero line with described mains switch by a fuse, described relay successively, its live wire end is connected with live wire with described mains switch by another fuse, described relay successively, and the input control end of described relay is connected with described main control module; Described power supply indicator is connected between the live wire end of described socket and zero line side; Described lightning protection circuit one terminate ground wire, all the other two ends are connected with the live wire end of described socket and zero line side respectively; Described state indicator board is arranged electric leakage status indicator lamp, state of temperature indicator light, overvoltage condition indicator light and overload indicator light; Each described status indicator lamp, described electric leakage temperature sensing circuit are connected with described main control module respectively with described voltage and current detection circuit, and described in described master control module controls, status indicator lamp is lighted or extinguishes, and controls the described actuating of relay.
Further, described lightning protection circuit adopts a Surge Protector, and the earth terminal of described Surge Protector is connected with ground wire, and its live wire end is connected with the live wire end of described socket, and its zero line side is connected with the zero line side of described socket.
Further, also arrange reset switch in described power supply unit, described reset switch is connected with described main control module, reset switch action described in described master control module controls.
Further, described electric leakage temperature sensing circuit comprises zero sequence current mutual inductor, the first operational amplifier, temperature sensor and the second operational amplifier; Residual current in described zero sequence current mutual inductor testing circuit, and the residual current detected is transferred to described first operational amplifier and amplify, current signal transfer after amplification is to described main control module, the status indicator lamp that leaks electricity described in described master control module controls is lighted or extinguishes, and controls the described actuating of relay; Amplified by described second operational amplifier after described temperature sensor converts the temperature value collected to temperature analog signal, temperature analog signal after amplification transfers to described main control module, described in described master control module controls, state of temperature indicator light is lighted or extinguishes, and controls the described actuating of relay.
Further, described voltage and current detection circuit comprises pressure filter circuit, electric energy metering module, current transformer and filter circuit; External communication electricity sends into described electric energy metering module by described pressure filter circuit; The load current that described current transformer detects sends into described electric energy metering module by described filter circuit; Described electric energy metering module converts the signal received to active power, and sends into described main control module with the form of high-frequency impulse; Described main control module processes the described overvoltage condition indicator light of rear control to the high-frequency impulse received and overload indicator light is lighted or extinguishes, and controls the described actuating of relay.
Further, also arrange RS485 communication interface in described main control module, described main control module carries out communication by described RS485 communication interface and host computer, forms an electric fire monitoring system.
Further, described main control module adopts model to be the microcontroller of STM32F103R8T6
Owing to adopting above technical scheme; the beneficial effects of the utility model are: can power to multiple power consumption equipment simultaneously; and there is the multiple electricity protection functions such as earth leakage protective, overheat protector, overvoltage protection and overload protection, the safety of user and power consumption equipment can be ensured fully.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of the utility model Multi-functional safe socket group;
Fig. 2 is the circuit theory diagrams of the utility model Multi-functional safe socket group;
Fig. 3 is the schematic diagram of temperature sensing circuit of leaking electricity in the utility model;
Fig. 4 is the schematic diagram of voltage and current detection circuit in the utility model.
In figure: 1, power supply unit; 2, base; 3, handle; 4, LED; 11, socket; 12, mains switch; 13, state indicator board; 14, power supply indicator; 15, relay; 16, main control module; 17, lightning protection circuit; 18, leak electricity temperature sensing circuit; 19, voltage and current detection circuit; 20, reset switch; 161, RS485 communication interface; 181, zero sequence current mutual inductor; 182, the first operational amplifier; 183, temperature sensor; 184, the second operational amplifier; 191, pressure filter circuit; 192, electric energy metering module; 193, current transformer; 194, filter circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
Because existing common socket can only be used for providing power supply to electric equipment, overvoltage cannot be accomplished or under-voltage when electric equipment is protected.When Summer Lightning surprise attack, line voltage exceed standard fluctuation or electric equipment electric leakage time all effectively can not protect electric equipment, and use common socket electric equipment is powered, personal safety and electric equipment safety all can not get ensureing safely and effectively.Therefore design a kind of socket group with overvoltage, overload, electric leakage and overheat protector function and traditional lightning protection and short-circuit protection function, can effectively solve Problems existing in existing socket.
As shown in Figure 1, the utility model provides a kind of Multi-functional safe socket group, and it comprises the plug (not shown) of power supply unit 1, base 2 and band wire.Wherein, power supply unit 1 adopts column structure, and power supply unit 1 is vertically fixedly installed on base 2.One end attachment plug of wire, its other end connects the power input of power supply unit 1.The side of power supply unit 1 is provided with some sockets 11 and mains switch 12, during use, plug connects 220V alternating current, can be powered for multiple power consumption equipment by socket 11, thus can solve in prior art to power need the socket of multiple separation and the problem of many electric wires to multiple power consumption equipment.Further, socket 11 adopts Three-hole socket, two spring hole scokets or USB socket.In addition, as shown in Figure 2, for ease of using state and energising situation that user understands socket 11, the side of power supply unit 1 is also provided with state indicator board 13 and power supply indicator 14.State indicator board 13 is used to indicate electric leakage, excess temperature, overvoltage or overload.
In a preferred embodiment, for convenience of mobile the utility model Multi-functional safe socket group, as shown in Figure 1, the top of power supply unit 1 is fixedly installed leader 3, and handle 3 can adopt arc, shaped as frame or T-shaped structure.
As shown in Figure 2, power supply unit 1 comprises socket 11, mains switch 12, state indicator board 13, power supply indicator 14, relay 15, main control module 16, lightning protection circuit 17, electric leakage temperature sensing circuit 18 and voltage and current detection circuit 19.
The earth terminal of socket 11 is connected with ground wire PE, and its zero line side is connected with zero line N with mains switch 12 by a fuse FU1, relay 15 successively, and its live wire end is connected with live wire L with mains switch 12 by another fuse FU2, relay 15 successively.
The input control end of relay 15 is connected with main control module 16 by fuse FU3.Relay 15 is subject to the control of main control module 16, under normal operating conditions, and relay 15 adhesive, main control module 16 powers to relay 15; When breaking down, relay 15 disconnects, and main control module 16 cuts off to the power supply of relay 15.Relay 15 be arranged to occur dangerous situation time, the utility model Multi-functional safe socket group can disconnect the connection with zero line N and live wire L, to protect the safety of power consumption equipment.Fuse FU1, FU2, FU3 be arranged so that big current short circuit occurs in electronic circuit time, can open circuit fast, play the effect of short-circuit protection.
Whether power supply indicator 14 is connected between the zero line side of socket 11 and live wire end, be energized for showing socket 11.
Lightning protection circuit 17 1 terminate ground wire PE, all the other two ends are connected with the live wire end of socket 11 and zero line side respectively.Further, lightning protection circuit 17 adopts a Surge Protector, and the earth terminal of Surge Protector is connected with ground wire PE, and its live wire end is connected with the live wire end of socket 11, and its zero line side is connected with the zero line side of socket 11.When the spike high-frequency impulse of thundery sky thunder and lightning seals in power supply unit 1 power consumption equipment threatened on socket 11 by supply line, Surge Protector absorbs disturbing pulse, plays the effect of protective device device security.
State indicator board 13 is arranged electric leakage status indicator lamp D1, state of temperature indicator light D2, overvoltage condition indicator light D3 and overload indicator light D4.Each status indicator lamp, electric leakage temperature sensing circuit 18 are connected with main control module 16 respectively with voltage and current detection circuit 19.Main control module 16 controls each status indicator lamp and lights or extinguish, and control relay 15 is switched on or switched off.Further, also arrange reset switch 20 in power supply unit 1, reset switch 20 is connected with main control module 16, resets when main control module after failture evacuation 16 controls reset switch 20, and socket 11 restores electricity function.
As shown in Figure 3, the temperature sensing circuit 18 that leaks electricity comprises zero sequence current mutual inductor 181, first operational amplifier 182, temperature sensor 183 and the second operational amplifier 184.
Residual current in zero sequence current mutual inductor 181 testing circuit, and the residual current detected is transferred to the first operational amplifier 182 and amplify, current signal transfer after amplification is to main control module 16, after main control module 16 carries out the process such as analog-to-digital conversion and extracting operation to the current signal received, obtain leakage current value, the leakage current value obtained and the leakage current alarm threshold value preset compare by main control module 16.When leakage current value is greater than leakage current alarm threshold value, main control module 16 controls electric leakage status indicator lamp D1 and lights, for leakage-current alarm; And control relay 15 disconnects, power supply of cutting off the electricity supply, to protect the Electrical Safety of socket 11.
Amplified by the second operational amplifier 184 after temperature sensor 183 converts the temperature value collected to temperature analog signal, temperature analog signal after amplification transfers to main control module 16, after main control module 16 carries out the process such as analog-to-digital conversion, non-linear correction, compensating coefficient to the received signal, the temperature value obtained and the temperature threshold preset are compared.When the temperature value that temperature sensor 183 detects exceedes default temperature threshold, main control module 16 control temperature status indicator lamp D2 lights, for temperature alarming; And control relay 15 disconnects, power supply of cutting off the electricity supply, to protect the Electrical Safety of socket 11.
As shown in Figure 4, voltage and current detection circuit 19 comprises pressure filter circuit 191, electric energy metering module 192, current transformer 193 and filter circuit 194.
External communication voltage sends into electric energy metering module 192 by pressure filter circuit 191.Electric energy metering module 192 converts the signal received to active power, and send into main control module 16 with the form of high-frequency impulse, main control module 16 obtains magnitude of voltage after processing the high-frequency impulse received, and the magnitude of voltage obtained and the voltage alarm threshold value preset are compared, when magnitude of voltage is greater than voltage alarm threshold value, main control module 16 controls overvoltage condition indicator light D3 and lights, for over voltage alarm; And control relay 15 disconnects, power supply of cutting off the electricity supply, to protect the Electrical Safety of socket 11, thus plays the effect of power-off and overvoltage protection.
The load current that current transformer 193 detects sends into electric energy metering module 193 by filter circuit 194.Electric energy metering module 192 converts the signal received to active power, and sends into main control module 16 with the form of high-frequency impulse, and main control module 16 obtains 2 current values after processing the high-frequency impulse received; The current value obtained and the electric current alarm threshold value preset compare by main control module 16, and when current value is greater than default electric current alarm threshold value, main control module 16 controls overload indicator light D4 and lights, and reports to the police for overcurrent; And control relay 15 disconnects, power supply of cutting off the electricity supply, to protect the Electrical Safety of socket 11, thus plays the effect of power-off and overcurrent protection.
In a preferred embodiment, as shown in Figure 2, the top of power supply unit 1 arranges a LED 4, and one end of LED 4 is connected with the live wire end of socket 11 by a switch QF, and its other end is connected with the zero line side of socket 11.LED and socket 11 are combined, use more convenient, function is more, while being powered to power consumption equipment by socket 11, LED can provide illumination.
In a preferred embodiment, as shown in Figure 3, RS485 communication interface 161 is set in main control module 16, the utility model and host computer can be carried out communication by this RS485 communication interface 161, form an electric fire monitoring system, for monitoring the electric leakage of all electric equipments on LED 4 and socket 11, temperature, the situation such as voltage and fault electric arc in real time.In addition, also leakage current alarm threshold value, temperature threshold, voltage alarm threshold value and electric current alarm threshold value can be set by this RS485 communication interface 161.
In a preferred embodiment, main control module 16 adopts model to be the microcontroller of STM32F103R8T6.Electric energy metering module 192 adopts high-precision ADE7755 chip.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection range of the present utility model.
Claims (10)
1. a Multi-functional safe socket group, is characterized in that: it comprises the plug of power supply unit, base and band wire; Described power supply unit adopts column structure, and described power supply unit is vertically fixedly installed on described base, and one end of described wire connects described plug, and its other end connects the power input of described power supply unit; The side of described power supply unit is provided with some sockets and mains switch.
2. a kind of Multi-functional safe socket group as claimed in claim 1, is characterized in that: described socket adopts Three-hole socket, two spring hole scokets or USB socket.
3. a kind of Multi-functional safe socket group as claimed in claim 1, is characterized in that: the top of described power supply unit is fixedly installed leader, and described handle adopts arc, shaped as frame or T-shaped structure.
4. a kind of Multi-functional safe socket group as described in claim 1 or 2 or 3, is characterized in that: described power supply unit comprises socket, mains switch, state indicator board, power supply indicator, relay, main control module, lightning protection circuit, electric leakage temperature sensing circuit and voltage and current detection circuit; The earth terminal of described socket is connected with ground wire, its zero line side is connected with zero line with described mains switch by a fuse, described relay successively, its live wire end is connected with live wire with described mains switch by another fuse, described relay successively, and the input control end of described relay is connected with described main control module; Described power supply indicator is connected between the live wire end of described socket and zero line side; Described lightning protection circuit one terminate ground wire, all the other two ends are connected with the live wire end of described socket and zero line side respectively; Described state indicator board is arranged electric leakage status indicator lamp, state of temperature indicator light, overvoltage condition indicator light and overload indicator light; Each described status indicator lamp, described electric leakage temperature sensing circuit are connected with described main control module respectively with described voltage and current detection circuit, and described in described master control module controls, status indicator lamp is lighted or extinguishes, and controls the described actuating of relay.
5. a kind of Multi-functional safe socket group as claimed in claim 4; it is characterized in that: described lightning protection circuit adopts a Surge Protector; the earth terminal of described Surge Protector is connected with ground wire; its live wire end is connected with the live wire end of described socket, and its zero line side is connected with the zero line side of described socket.
6. a kind of Multi-functional safe socket group as claimed in claim 4, it is characterized in that: also arrange reset switch in described power supply unit, described reset switch is connected with described main control module, reset switch action described in described master control module controls.
7. a kind of Multi-functional safe socket group as claimed in claim 4, is characterized in that: described electric leakage temperature sensing circuit comprises zero sequence current mutual inductor, the first operational amplifier, temperature sensor and the second operational amplifier;
Residual current in described zero sequence current mutual inductor testing circuit, and the residual current detected is transferred to described first operational amplifier and amplify, current signal transfer after amplification is to described main control module, the status indicator lamp that leaks electricity described in described master control module controls is lighted or extinguishes, and controls the described actuating of relay;
Amplified by described second operational amplifier after described temperature sensor converts the temperature value collected to temperature analog signal, temperature analog signal after amplification transfers to described main control module, described in described master control module controls, state of temperature indicator light is lighted or extinguishes, and controls the described actuating of relay.
8. a kind of Multi-functional safe socket group as claimed in claim 4, is characterized in that: described voltage and current detection circuit comprises pressure filter circuit, electric energy metering module, current transformer and filter circuit; External communication electricity sends into described electric energy metering module by described pressure filter circuit; The load current that described current transformer detects sends into described electric energy metering module by described filter circuit; Described electric energy metering module converts the signal received to active power, and sends into described main control module with the form of high-frequency impulse; Described main control module processes the described overvoltage condition indicator light of rear control to the high-frequency impulse received and overload indicator light is lighted or extinguishes, and controls the described actuating of relay.
9. a kind of Multi-functional safe socket group as claimed in claim 4, it is characterized in that: in described main control module, RS485 communication interface is also set, described main control module carries out communication by described RS485 communication interface and host computer, forms an electric fire monitoring system.
10. a kind of Multi-functional safe socket group as claimed in claim 4, is characterized in that: described main control module adopts model to be the microcontroller of STM32F103R8T6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456914.9U CN204760675U (en) | 2015-06-29 | 2015-06-29 | Multi -functional safe socket group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520456914.9U CN204760675U (en) | 2015-06-29 | 2015-06-29 | Multi -functional safe socket group |
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| Publication Number | Publication Date |
|---|---|
| CN204760675U true CN204760675U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520456914.9U Expired - Fee Related CN204760675U (en) | 2015-06-29 | 2015-06-29 | Multi -functional safe socket group |
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| Country | Link |
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| CN (1) | CN204760675U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966953A (en) * | 2015-06-29 | 2015-10-07 | 胡靖� | Multifunctional safety socket set |
| CN106253000A (en) * | 2016-09-08 | 2016-12-21 | 广东百事泰电子商务股份有限公司 | Scalable intelligent display multifunctional power supply device |
| 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 |
-
2015
- 2015-06-29 CN CN201520456914.9U patent/CN204760675U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966953A (en) * | 2015-06-29 | 2015-10-07 | 胡靖� | Multifunctional safety socket set |
| CN106253000A (en) * | 2016-09-08 | 2016-12-21 | 广东百事泰电子商务股份有限公司 | Scalable intelligent display multifunctional power supply device |
| CN106253000B (en) * | 2016-09-08 | 2019-09-13 | 广东百事泰电子商务股份有限公司 | Scalable intelligent display multifunctional power supply device |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20160629 |