CN202057701U - Electric energy meter - Google Patents
Electric energy meter Download PDFInfo
- Publication number
- CN202057701U CN202057701U CN2010206970668U CN201020697066U CN202057701U CN 202057701 U CN202057701 U CN 202057701U CN 2010206970668 U CN2010206970668 U CN 2010206970668U CN 201020697066 U CN201020697066 U CN 201020697066U CN 202057701 U CN202057701 U CN 202057701U
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- China
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- triode
- circuit
- integrated circuit
- resistance
- power supply
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Abstract
The utility model discloses an electric energy meter, which comprises a shell and an antitheft alarm circuit. The antitheft alarm circuit comprises a trigger circuit (1) which conducts triggering by touching a metal sheet (M), an alarm circuit (2) which can give out an alarm after the trigger circuit (1) conducts triggering, and a power supply (E), wherein the trigger circuit (1) is connected with the alarm circuit (2), the trigger circuit (1) and the alarm circuit (2) are connected with the power supply (E) and the metal sheet (M) is installed on the external surface of the shell. The electric energy meter can prevent electricity stealing.
Description
Technical field
The utility model relates to a kind of electric energy meter.
Background technology
At present people the arbitrarily dismounting and can not stay any vestige of shell of widely used electric energy meter, therefore some illegal users can arbitrarily open the shell of electric energy meter, dress does not rotate so that electric energy meter only advances electric current or makes electric energy meter only advance electric current and rotation slightly by disorderly connecing disorderly, reach the purpose of stealing, cause a large amount of losses for national electric energy, and this kind unrest connects disorderly, and the behavior of dress also can bring numerous unsafe factors, not only can breaking out of fire burn consumer and circuit, but also can user's life security be caused a hidden trouble.
The utility model content
The technical problems to be solved in the utility model is that a kind of antitheft electric energy meter that prevents stealing is provided.
Technical solution of the present utility model is, a kind of electric energy meter with following structure is provided, and comprises shell, and electric energy meter also comprises anti-theft warning circuit; Described anti-theft warning circuit comprises by touch trigger circuit, the warning circuit that can report to the police and the power supply that sheet metal triggers after trigger circuit triggers; Described trigger circuit are connected with warning circuit, and described trigger circuit all are connected with power supply with warning circuit; Described sheet metal is installed on the outside surface of described shell.
After adopting above structure, the utility model electric energy meter compared with prior art has the following advantages:
Because electric energy meter of the present utility model also comprises anti-theft warning circuit; Described anti-theft warning circuit comprises by touch trigger circuit, the warning circuit that can report to the police and the power supply that sheet metal triggers after trigger circuit triggers; Described sheet metal is installed on the outside surface of described shell; When the user wants to open shell and runs into sheet metal on the shell, trigger circuit will trigger warning circuit is switched on it, warning circuit just begins to report to the police, the user hears that chimes of doom can stop to open shell owing to being frightened, thereby can prevent illegal user's stealing, also can avoid the user disorderly to connect random dress and bring the phenomenon of numerous unsafe factors.
Description of drawings
Accompanying drawing is the structural representation of the anti-theft warning circuit of the utility model electric energy meter.
Shown in the figure: 1, trigger circuit, M, sheet metal, IC1, first integrated circuit, R1, first resistance, C1, first electric capacity, C2, second electric capacity, C3, the 3rd electric capacity, 2, warning circuit, R2, second resistance, R3, the 3rd resistance, R4, the 4th resistance, V1, first triode, V2, second triode, V3, the 3rd triode, V4, the 4th triode, IC2, second integrated circuit, BL, hummer, S, switch, E, power supply.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please join shown in the accompanying drawing, the utility model electric energy meter comprises shell (not shown) and anti-theft warning circuit.Described anti-theft warning circuit comprises the trigger circuit 1 that trigger by touch sheet metal M, warning circuit 2, power supply E and the switch S that can report to the police after trigger circuit 1 trigger.
Described trigger circuit 1 comprise multi-disc sheet metal M, first integrated circuit (IC) 1, first resistance R 1, first capacitor C 1, second capacitor C 2 and the 3rd capacitor C 3.Described multi-disc sheet metal M is installed in the outside surface of described shell easily by on people's position contacting, described multi-disc sheet metal can be two, these two sheet metals can be metal protecgulum and bonnet, separate by insulating material between described protecgulum and the bonnet.Described first integrated circuit (IC) 1 is time-base integrated circuit NE555.Be connected with 2 pin of described first integrated circuit (IC) 1 after the described multi-disc sheet metal M parallel connection; One end of described first resistance R 1 is connected with 7 pin with 6 pin of first integrated circuit (IC) 1 respectively, and the other end of described first resistance R 1 is connected with an end of described switch S; One end of described first capacitor C 1 is connected between the sheet metal M and first integrated circuit (IC) 1, the other end ground connection of described first capacitor C 1; One end of described second capacitor C 2 is connected on the connecting line of first resistance R 1 and first integrated circuit (IC) 1, the other end ground connection of described second capacitor C 2; One end of described the 3rd capacitor C 3 is connected with 5 pin of first integrated circuit (IC) 1, the other end ground connection of described the 3rd capacitor C 3; 4 pin of described first integrated circuit (IC) 1 all are connected with an end of described switch S with 8 pin; The other end of described switch S is connected with the positive pole of power supply E, the minus earth of described power supply E.
Described warning circuit 2 comprises second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the first triode V1, the second triode V2, the 3rd triode V3, the 4th triode V4, second integrated circuit (IC) 2 and hummer BL.Described second integrated circuit (IC) 2 is an audio ic.One end of described second resistance R 2 is connected with 3 pin of first integrated circuit (IC) 1 of trigger circuit 1, and the other end of described second resistance R 2 is connected with the base stage of the first triode V1; The collector of the described first triode V1 is connected with an end of described switch S, the emitter of the described first triode V1 is connected with the base stage of the second triode V2, the collector of the described second triode V2 is connected the grounded emitter of the described second triode V2 with 5 pin of second integrated circuit (IC) 2; 1 pin of described second integrated circuit (IC) 2 is connected with an end of switch S, and an end of described the 3rd resistance R 3 is connected with 3 pin of second integrated circuit (IC) 2, and the other end of described the 3rd resistance R 3 is connected with 4 pin of second integrated circuit (IC) 2; One end of described the 4th resistance R 4 is connected on 2 pin of second integrated circuit (IC) 2, and the other end of described the 4th resistance R 4 is connected with the base stage of the 3rd triode V3; The collector of described the 3rd triode V3 is connected with the base stage of the 4th triode V4, the grounded emitter of described the 3rd triode V3; The collector of described the 4th triode V4 ground connection behind the described hummer BL of connecting, the emitter of described the 4th triode V4 is connected with an end of switch S.
The switch S of anti-theft warning circuit is in closure state always at ordinary times, when the people touches any a slice sheet metal M among the multi-disc sheet metal M, the people knows from experience to 2 feels of first integrated circuit (IC) 1 and answers electromotive force, first integrated circuit (IC) 1 receives 3 pin output high level behind the induced potential of human body, make the first triode V1 conducting, also can make the second triode V2 saturation conduction after the first triode V1 conducting, such second integrated circuit (IC) 2 will be carried out work by energized E, 2 work of second integrated circuit (IC) can make the 3rd triode V3 conducting, thereby make the 4th triode V4 conducting, hummer BL carries out sounding alarm at this moment.During any a slice sheet metal M in nobody contact multi-disc sheet metal M, circuit is in stable state, 3 pin output low levels of first integrated circuit (IC) 1, and warning circuit 2 is not worked.
Claims (3)
1. an electric energy meter comprises shell, it is characterized in that: electric energy meter also comprises anti-theft warning circuit; Described anti-theft warning circuit comprises the trigger circuit (1) that trigger by touch sheet metal (M), warning circuit (2) and the power supply (E) that can report to the police after trigger circuit (1) trigger; Described trigger circuit (1) are connected with warning circuit (2), and described trigger circuit (1) all are connected with power supply (E) with warning circuit (2); Described sheet metal (M) is installed on the outside surface of described shell.
2. electric energy meter according to claim 1 is characterized in that: described trigger circuit (1) comprise multi-disc sheet metal (M), first integrated circuit (IC1), first resistance (R1), first electric capacity (C1), second electric capacity (C2) and the 3rd electric capacity (C3); Described multi-disc sheet metal (M) back in parallel is electrically connected with described first integrated circuit (IC1); One end of described first resistance (R1) is electrically connected with first integrated circuit (IC1), and the other end of described first resistance (R1) is connected with power supply (E) positive electrical; One end of described first electric capacity (C1) is connected between sheet metal (M) and first integrated circuit (IC1), the other end ground connection of described first electric capacity (C1); One end of described second electric capacity (C2) is connected between first resistance (R1) and first integrated circuit (IC1), the other end ground connection of described second electric capacity (C2); One end of described the 3rd electric capacity (C3) is connected with first integrated circuit (IC1), the other end ground connection of described the 3rd electric capacity (C3); Described first integrated circuit (IC1) also is connected with power supply (E) is anodal; Described power supply (E) minus earth.
3. electric energy meter according to claim 2 is characterized in that: described warning circuit (2) comprises second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), first triode (V1), second triode (V2), the 3rd triode (V3), the 4th triode (V4), second integrated circuit (IC2), hummer (BL); One end of described second resistance (R2) is connected with first integrated circuit (IC1) of trigger circuit (1), and the other end of described second resistance (R2) is connected with the base stage of first triode (V1); The collector of described first triode (V1) is connected with power supply (E) is anodal, the emitter of described first triode (V1) is connected with the base stage of second triode (V2), the collector of described second triode (V2) is connected with second integrated circuit (IC2), the grounded emitter of described second triode (V2); Described second integrated circuit (IC2) is connected with power supply (E) is anodal, and described the 3rd resistance (R3) is serially connected between two legs of second integrated circuit (IC2); One end of described the 4th resistance (R4) is connected on second integrated circuit (IC2), and the other end of described the 4th resistance (R4) is connected with the base stage of the 3rd triode (V3); The collector of described the 3rd triode (V3) is connected with the base stage of the 4th triode (V4), the grounded emitter of described the 3rd triode (V3); The collector of described the 4th triode (V4) described hummer (BL) the back ground connection of connecting, the emitter of described the 4th triode (V4) is connected with power supply (E) positive pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206970668U CN202057701U (en) | 2010-12-24 | 2010-12-24 | Electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206970668U CN202057701U (en) | 2010-12-24 | 2010-12-24 | Electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057701U true CN202057701U (en) | 2011-11-30 |
Family
ID=45017671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206970668U Expired - Lifetime CN202057701U (en) | 2010-12-24 | 2010-12-24 | Electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202057701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324478A (en) * | 2022-01-05 | 2022-04-12 | 慕思健康睡眠股份有限公司 | Liquid leakage detection device and system |
-
2010
- 2010-12-24 CN CN2010206970668U patent/CN202057701U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324478A (en) * | 2022-01-05 | 2022-04-12 | 慕思健康睡眠股份有限公司 | Liquid leakage detection device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315191 Yinzhou Industrial Park, Zhejiang, Ningbo, Yinzhou District, Ningbo Patentee after: NINGBO SANXING MEDICAL ELECTRIC CO., LTD. Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: Ningbo Sanxing Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |