CN201078821Y - Power outlet - Google Patents
Power outlet Download PDFInfo
- Publication number
- CN201078821Y CN201078821Y CNU2007201701466U CN200720170146U CN201078821Y CN 201078821 Y CN201078821 Y CN 201078821Y CN U2007201701466 U CNU2007201701466 U CN U2007201701466U CN 200720170146 U CN200720170146 U CN 200720170146U CN 201078821 Y CN201078821 Y CN 201078821Y
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- power
- input
- acquisition device
- output interface
- output
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Abstract
The utility model relates to a power socket, which is provided with a socket shell. The socket shell is positioned with a power input cord serving as a power input end, an electric energy display screen and a power output jack which is provided with a power output interface; the power input cord is electrically connected with the power output interface; the socket shell is internally positioned with an electric energy display device being connected between the power input cord and the power output interface via an electrical wire; the electric energy display device is provided with a circuit board, the circuit board is provided with a current collector, a voltage collector, a CPU and a data display. The socket can detect and display the information such as current, voltage, power, etc. of electric appliances in real time as well as eliminate potential electrical safety hazard to the greatest extent. Adding lightning proof devices and surge protection devices can protect the socket and improve the service life of the socket more effectively.
Description
Technical field
The utility model relates to a kind of supply socket, and particularly a kind of supply socket that the electric energy display unit is installed on socket, this kind supply socket can synchro measures and shown electric energy numerical value, are user-friendly to.
Technical background
Socket structure on the market generally is made up of metal pin, power supply indicator, plastic casing at present, and some socket also is with simple mechanical voltmeter.This socket can only play the effect of being electrically connected, and does not possess other function, as information such as electric current that can not detection device (load), voltage, power.The general user notices that not too used socket can drive the electrical appliance of much power consumptions, if and the electric current of electrical appliance exceeds the rated current of socket, the socket electric wire will generate heat, even can cause fire alarm, this potential potential safety hazard general user is difficult for discovering, and therefore proposing a kind of novel supply socket with regard to needs solves this problem.
Summary of the invention
The purpose of this utility model is to provide a kind of supply socket that the electric energy display unit is installed, and this socket can be known demonstration electrical appliance voltage, electric current and power.
The purpose of this utility model is achieved through the following technical solutions: a kind of supply socket, a Socket casing is arranged, power input line as power input is installed on described Socket casing, electric energy display screen and power supply output plughole, in the described power supply output plughole power output interface is housed, described power input line is electrically connected with described power output interface, the electric energy display unit is installed in described Socket casing, described electric energy display unit is connected between described power input line and the power output interface by electric wire, described electric energy display unit has a circuit board, the current acquisition device is installed on this circuit board, the voltage acquisition device, central processing unit and data display equipment, the input of described current acquisition device is connected between power input line and the power output interface, the input of described voltage acquisition device is connected in parallel on the power output interface, the output of described current acquisition device is electrically connected with the analog current input of central processing unit, the output of described voltage acquisition device is electrically connected with the analog voltage input of central processing unit, and the data output end of described central processing unit is electrically connected with described data display equipment.
Be equipped with anti-lightning strike and surge protective device on the described circuit board, described anti-lightning strike and surge protective device comprises piezo-resistance, dividing potential drop piezo-resistance, fuse and ceramic discharge tube; Described piezo-resistance be connected in parallel on the power input after fuse is connected mutually; Described dividing potential drop piezo-resistance is formed bleeder circuit, and this bleeder circuit input is connected in parallel on the power input, and described divider resistance specification equates that described ceramic discharge tube one end connects the bleeder circuit output, another termination protection ground of ceramic discharge tube.
Described voltage acquisition device comprises divider resistance and bridge rectifier, and the input of described divider resistance is connected in parallel on the described power output interface, and the output of described divider resistance is electrically connected with described bridge rectifier, and pressure-dividing output voltage is less than 5 volts.
Described current acquisition device comprises current transformer and bridge rectifier, the primary winding of described current transformer is connected between power input and the power output interface, the secondary coil of described current transformer is electrically connected with described bridge rectifier, under rated power, the secondary coil output voltage of current transformer is less than 5 volts.
Compared with the prior art the utility model has following advantage:
Use the utility model socket can detect and show in real time the information such as electric current, voltage, power of electrical appliance; eliminate potential Electrical Safety hidden danger to greatest extent, install lightning proof and surge protective device additional and can more effectively protect socket to improve its useful life.
Description of drawings
Fig. 1 is the utility model external structure schematic diagram;
Fig. 2 is the utility model internal structure schematic diagram (partial sectional view);
Fig. 3 is the circuit theory diagrams of the utility model embodiment one;
Fig. 4 is the circuit theory diagrams of the utility model embodiment two;
Fig. 5 is the circuit theory diagrams of the utility model embodiment three;
Fig. 6 is the circuit theory diagrams of the utility model embodiment four;
Fig. 7 is the circuit theory diagrams of the utility model embodiment five.
Embodiment
Embodiment one
Referring to Fig. 1,2, shown in 3, a kind of supply socket, a Socket casing 1 is arranged, power input line 2 as power input is installed on described Socket casing, electric energy display screen 3 and power supply output plughole 4, in the described power supply output plughole power output interface 5 is housed, described power input line is electrically connected with described power output interface, electric energy display unit 6 is installed in described Socket casing, described electric energy display unit is connected between described power input line and the power output interface by electric wire, described electric energy display unit has a circuit board 7, the current acquisition device is installed on this circuit board, the voltage acquisition device, central processing unit and data display equipment, the input of described current acquisition device is connected between power input line and the power output interface, the input of described voltage acquisition device is connected in parallel on the power output interface, the output of described current acquisition device is electrically connected with the analog current input of central processing unit, the output of described voltage acquisition device is electrically connected with the analog voltage input of central processing unit, and the data output end of described central processing unit is electrically connected with described data display equipment.
Present embodiment central processing unit model is HT46R47 or HT46C47, and this processor includes functions such as multichannel A/D conversion and programmable frequency divider, counter, impulsive measurement, I/O output, is fit to very much do supply socket energy consumption processor.
The output U of voltage acquisition device is connected to the analog voltage input U-AD of central processing unit, and the output I of current acquisition device is connected to the analog current input I-AD of central processing unit, and the present embodiment display is LCD display or light-emitting diode display; Direct current 5V power supply provides DC power supply for the electric energy display circuit; For the ease of control, power switch button 8 also is housed on described Socket casing, this power switch button is electrically connected with the electric energy display unit by electric wire.
Described voltage acquisition device and current acquisition device collect the magnitude of voltage and the current value of the socket described in the present embodiment respectively, and it is input to immediately carries out computing in the central processing unit, calculate performance number, can show numerical value synchronously by data display equipment, at any time observe supply socket numerical value to reach, the purpose of monitoring electricity consumption situation.
Embodiment two
Referring to shown in Figure 4, present embodiment is improved on the basis of embodiment one, anti-lightning strike and surge protective device 9 is installed on described circuit board, and described anti-lightning strike and surge protective device comprises piezo-resistance RV1, dividing potential drop piezo-resistance RV2, RV3, fuse F and ceramic discharge tube G; After connecting mutually, described piezo-resistance RV1 and fuse F be connected in parallel on the power input; The input of the bleeder circuit of being made up of RV2 and RV3 is connected in parallel on the power input, and wherein, dividing potential drop piezo-resistance RV2 is identical with the RV3 specification, and the output end voltage that has guaranteed bleeder circuit like this is 1/2nd of an input terminal voltage; Output termination ceramic discharge tube G one end of bleeder circuit, another termination protection ground of ceramic discharge tube G.The lightning prevention circuit that adopts high-performance ceramic discharge tube and piezo-resistance to combine is effectively realized the protection of common mode, differential mode.By series connection piezo-resistance restriction afterflow on discharge tube, make its electric current of keeping less than discharge tube, make discharge tube normally blow-out behind impulse breakdown, guaranteed the safe handling of discharge tube, present embodiment piezo-resistance model is 20D561K.
Embodiment three
Referring to shown in Figure 5, present embodiment is improved on the basis of embodiment one, described voltage acquisition device can have various ways, the voltage acquisition device is made up of divider resistance R1, R2, R3 and bridge rectifier in the present embodiment, the input R1 and the R3 of divider resistance are connected in parallel on the power output interface, described bridge rectifier connects the dividing potential drop output of divider resistance R2, cooperates central processing unit A/D conversion input requirement, and dividing potential drop is exported less than 5 volts.
Embodiment four
Referring to shown in Figure 6, present embodiment is improved on the basis of embodiment one, in order to save cost and to simplify circuit present embodiment voltage acquisition device and form by divider resistance R4, R5, the input of divider resistance is attempted by on the power output interface, R5 cooperates and implements central processing unit A/D conversion input requirement as the dividing potential drop output resistance, and dividing potential drop is exported less than 5 volts, the divider resistance R4 value of present embodiment is 5.1M Ω, and divider resistance R5 value is 56K Ω.
Embodiment five
Referring to shown in Figure 7, present embodiment is improved on the basis of embodiment one, described current acquisition device comprises current transformer and bridge rectifier, the primary winding of described current transformer is connected between power input and the power output interface, the secondary coil of described current transformer is electrically connected with described bridge rectifier, described current acquisition device comprises current transformer and bridge rectifier, the primary winding of described current transformer is connected between power input and the power output interface, the secondary coil of described current transformer is electrically connected with described bridge rectifier, and the output of this bridge rectifier is connected with load resistance R1, R2 and voltage-stabiliser tube DW; Under rated power, cooperate central processing unit A/D conversion input requirement, the secondary coil output voltage of current transformer is less than 5 volts.
Claims (8)
1. supply socket, it is characterized in that: a Socket casing is arranged, power input line as power input is installed on described Socket casing, electric energy display screen and power supply output plughole, in the described power supply output plughole power output interface is housed, described power input line is electrically connected with described power output interface, the electric energy display unit is installed in described Socket casing, described electric energy display unit is connected between described power input line and the power output interface by electric wire, described electric energy display unit has a circuit board, the current acquisition device is installed on this circuit board, the voltage acquisition device, central processing unit and data display equipment, the input of described current acquisition device is connected between power input line and the power output interface, the input of described voltage acquisition device is connected in parallel on the power output interface, the output of described current acquisition device is electrically connected with the analog current input of central processing unit, the output of described voltage acquisition device is electrically connected with the analog voltage input of central processing unit, and the data output end of described central processing unit is electrically connected with described data display equipment.
2. a kind of supply socket according to claim 1 is characterized in that: be equipped with anti-lightning strike and surge protective device on the described circuit board, described anti-lightning strike and surge protective device comprises piezo-resistance, dividing potential drop piezo-resistance, fuse and ceramic discharge tube; Described piezo-resistance be connected in parallel on the power input after fuse is connected mutually; Described dividing potential drop piezo-resistance is formed bleeder circuit, and this bleeder circuit input is connected in parallel on the power input, and described divider resistance specification equates that described ceramic discharge tube one end connects the bleeder circuit output, another termination protection ground of ceramic discharge tube.
3. a kind of supply socket according to claim 1, it is characterized in that: described voltage acquisition device comprises a plurality of divider resistances and bridge rectifier, the input of described divider resistance is connected in parallel on the described power output interface, the output of described divider resistance is electrically connected with described bridge rectifier, and pressure-dividing output voltage is less than 5 volts.
4. a kind of supply socket according to claim 1 is characterized in that: described voltage acquisition device is made up of divider resistance, and the input of divider resistance is attempted by on the power output interface, and the dividing potential drop output of divider resistance is less than 5 volts.
5. a kind of supply socket according to claim 1, it is characterized in that: described current acquisition device comprises current transformer and bridge rectifier, the primary winding of described current transformer is connected between power input and the power output interface, the secondary coil of described current transformer is electrically connected with described bridge rectifier, under rated power, the secondary coil output voltage of current transformer is less than 5 volts.
6. a kind of supply socket according to claim 1 is characterized in that: power switch button also is housed on described Socket casing, and this power switch button is electrically connected with the electric energy display unit by electric wire.
7. a kind of supply socket according to claim 1 is characterized in that: described central processing unit model is HT46R47 or HT46C47.
8. a kind of supply socket according to claim 1 is characterized in that: described data display equipment is LCD display or light-emitting diode display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201701466U CN201078821Y (en) | 2007-08-10 | 2007-08-10 | Power outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201701466U CN201078821Y (en) | 2007-08-10 | 2007-08-10 | Power outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078821Y true CN201078821Y (en) | 2008-06-25 |
Family
ID=39570887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201701466U Expired - Fee Related CN201078821Y (en) | 2007-08-10 | 2007-08-10 | Power outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078821Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609942A (en) * | 2009-07-23 | 2009-12-23 | 李文斌 | Intelligent electricity-saving protection control socket |
| CN101982781A (en) * | 2010-09-28 | 2011-03-02 | 叶露微 | Operating parameter measuring system for electric device |
| CN105552653A (en) * | 2014-11-04 | 2016-05-04 | 安徽美琳电子有限公司 | lightning protection type power extension cord |
-
2007
- 2007-08-10 CN CNU2007201701466U patent/CN201078821Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609942A (en) * | 2009-07-23 | 2009-12-23 | 李文斌 | Intelligent electricity-saving protection control socket |
| CN101982781A (en) * | 2010-09-28 | 2011-03-02 | 叶露微 | Operating parameter measuring system for electric device |
| CN101982781B (en) * | 2010-09-28 | 2012-09-26 | 广东省江门市质量计量监督检测所 | Operating parameter measuring system for electric device |
| CN105552653A (en) * | 2014-11-04 | 2016-05-04 | 安徽美琳电子有限公司 | lightning protection type power extension cord |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHAOQING GOLDEN PALM INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: SHEN ZHONGZE Effective date: 20101227 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20101227 Address after: 526040, building 13-15, building E, Tianning Plaza, No. four, 13 Road, Guangdong, Zhaoqing Patentee after: Golden Palm Industry Co., Ltd. Address before: 526040, building 13-15, building E, Tianning Plaza, No. four, 13 Road, Guangdong, Zhaoqing Patentee before: Shen Zhongze |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |