CN204556774U - A kind of electric system cycle measuring instrument - Google Patents
A kind of electric system cycle measuring instrument Download PDFInfo
- Publication number
- CN204556774U CN204556774U CN201520312256.6U CN201520312256U CN204556774U CN 204556774 U CN204556774 U CN 204556774U CN 201520312256 U CN201520312256 U CN 201520312256U CN 204556774 U CN204556774 U CN 204556774U
- Authority
- CN
- China
- Prior art keywords
- resistance
- electric capacity
- diode
- chip
- connects
- 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
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses a kind of electric system cycle measuring instrument, comprise transformer W, rectifier bridge T, triode V1, gauge outfit A and chip IC 1, the two ends of the winding N1 of described transformer W connect the two ends of 220V alternating current respectively, and the two ends of the winding N2 of transformer W connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively.The utility model electric system cycle measuring instrument circuit structure is simple, and the components and parts used are cheap, therefore cost of manufacture is greatly reduced, forming single-shot trigger circuits by the frequency inverted of electric system by 555 time base circuits is magnitude of voltage, thus accurately measure, and represented intuitively by gauge outfit, therefore have structure simple, measure precisely and the advantage of stable performance.
Description
Technical field
The utility model relates to a kind of detector, specifically a kind of electric system cycle measuring instrument.
Background technology
In Operation of Electric Systems, utilize the various interference in the random variation of electric load and the external world can affect the stable of electric system, cause the fluctuation of system voltage and cycle, thus affect the quality of electric energy, time serious, can collapse of voltage be caused, electric power system is made to occur accident, therefore the detection of electric system cycle is seemed particularly important, but the most complex structure of cycle measuring instrument in the market, and volume is large, measurement is not accurate, thus make troubles to user, affect productive life efficiency.
Utility model content
The purpose of this utility model is to provide a kind of electric system cycle measuring instrument, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of electric system cycle measuring instrument, comprises transformer W, rectifier bridge T, triode V1, gauge outfit A and chip IC 1, the two ends of the winding N1 of described transformer W connect the two ends of 220V alternating current respectively, and the two ends of the winding N2 of transformer W connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 contact resistance R8 of rectifier bridge T, resistance R12, resistance R13, electric capacity C5, electric capacity C8, the negative electrode of diode D1, the anode of diode D3, the anode of diode D4 and the pin 1 of chip IC 1, the port 4 contact resistance R1 of rectifier bridge T, resistance R2 and electric capacity C1, the other end of resistance R1 connects the negative electrode of diode D5 and the collector of triode V1, the winding N3 of the anode connection transformer W of diode D5, the other end of electric capacity C1 and electric capacity C2, the other end of the winding N3 of transformer W connects the negative electrode of diode D6, the other end contact resistance R3 of resistance R2 and the other end of electric capacity C2, the base stage of other end connecting triode V1 of resistance R3 and the collector of triode V2, the anode contact resistance R5 of diode D6, the other end of resistance R5 connects anode and the electric capacity C6 of diode D1, the emitter of triode V2 connects the other end of the negative electrode of diode D3 and the emitter contact resistance R4 of resistance R4, triode V1, resistance R9, resistance R7, resistance R14, electric capacity C3, the other end of electric capacity C4, the collector of triode V3, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the base stage of triode V2 connects the other end of electric capacity C3, the other end of resistance R6 connects the stiff end of potentiometer RP1, the other end of another stiff end contact resistance R8 of potentiometer RP1, the sliding end of potentiometer RP1 connects the other end of electric capacity C5 and the pin 2 of chip IC 1, and the other end of resistance R9 connects electric capacity C7, the pin 6 of chip IC 1 and the pin 7 of chip IC 1, the other end of the pin 2 contact resistance R11 of chip IC 1, the other end of resistance R12 and the other end of electric capacity C6, the pin 3 contact resistance R10 of chip IC 1, the other end of resistance R10 connects the stiff end of potentiometer RP2, the other end of another stiff end contact resistance R13 of potentiometer RP2, the base stage of the sliding end connecting triode V3 of potentiometer RP2, the other end of resistance R13 and the other end of electric capacity C8, the emitter of triode V3 connects the negative electrode of the anode of diode D3 and the negative electrode connection diode D4 of gauge outfit A, diode D3, the other end of resistance R7 and the other end of gauge outfit A.
As preferred version of the present utility model: described chip IC 1 is NE555 type time base circuit.
As preferred version of the present utility model: winding N1, the winding N2 of described transformer W and the turn ratio of winding N3 are 220:24:100.
Compared with prior art, the beneficial effects of the utility model are: the utility model electric system cycle measuring instrument circuit structure is simple, and the components and parts used are cheap, therefore cost of manufacture is greatly reduced, forming single-shot trigger circuits by the frequency inverted of electric system by 555 time base circuits is magnitude of voltage, thus accurately measure, and to be represented intuitively by gauge outfit, therefore have structure simple, measure precisely and the advantage of stable performance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of electric system cycle measuring instrument.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of electric system cycle measuring instrument, comprises transformer W, rectifier bridge T, triode V1, gauge outfit A and chip IC 1, the two ends of the winding N1 of described transformer W connect the two ends of 220V alternating current respectively, and the two ends of the winding N2 of transformer W connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 contact resistance R8 of rectifier bridge T, resistance R12, resistance R13, electric capacity C5, electric capacity C8, the negative electrode of diode D1, the anode of diode D3, the anode of diode D4 and the pin 1 of chip IC 1, the port 4 contact resistance R1 of rectifier bridge T, resistance R2 and electric capacity C1, the other end of resistance R1 connects the negative electrode of diode D5 and the collector of triode V1, the winding N3 of the anode connection transformer W of diode D5, the other end of electric capacity C1 and electric capacity C2, the other end of the winding N3 of transformer W connects the negative electrode of diode D6, the other end contact resistance R3 of resistance R2 and the other end of electric capacity C2, the base stage of other end connecting triode V1 of resistance R3 and the collector of triode V2, the anode contact resistance R5 of diode D6, the other end of resistance R5 connects anode and the electric capacity C6 of diode D1, the emitter of triode V2 connects the other end of the negative electrode of diode D3 and the emitter contact resistance R4 of resistance R4, triode V1, resistance R9, resistance R7, resistance R14, electric capacity C3, the other end of electric capacity C4, the collector of triode V3, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the base stage of triode V2 connects the other end of electric capacity C3, the other end of resistance R6 connects the stiff end of potentiometer RP1, the other end of another stiff end contact resistance R8 of potentiometer RP1, the sliding end of potentiometer RP1 connects the other end of electric capacity C5 and the pin 2 of chip IC 1, and the other end of resistance R9 connects electric capacity C7, the pin 6 of chip IC 1 and the pin 7 of chip IC 1, the other end of the pin 2 contact resistance R11 of chip IC 1, the other end of resistance R12 and the other end of electric capacity C6, the pin 3 contact resistance R10 of chip IC 1, the other end of resistance R10 connects the stiff end of potentiometer RP2, the other end of another stiff end contact resistance R13 of potentiometer RP2, the base stage of the sliding end connecting triode V3 of potentiometer RP2, the other end of resistance R13 and the other end of electric capacity C8, the emitter of triode V3 connects the negative electrode of the anode of diode D3 and the negative electrode connection diode D4 of gauge outfit A, diode D3, the other end of resistance R7 and the other end of gauge outfit A.
Described chip IC 1 is NE555 type time base circuit.
Winding N1, the winding N2 of described transformer W and the turn ratio of winding N3 are 220:24:100.
Principle of work of the present utility model is: the winding N2 of power transformer W holds the voltage exported to export 24 voltages after rectifier bridge T, then through voltage stabilizing, the voltage forming 5V after filtering is powered to circuit, the winding N3 of transformer W holds the voltage exported through overcommutation step-down, the negative-going pulse of 5V is formed after voltage stabilizing, as the trigger pulse of chip IC 1, chip IC 1 and resistance R9, electric capacity C7 forms single-shot trigger circuit, timing T=1.1*R9*C7, then chip IC 1 set is once often to carry out negative-going pulse, the mean value of output voltage is directly proportional to frequency, thus achieve the conversion of electric system cycle to voltage, and carry out visual indication by gauge outfit A, potentiometer RP1 is used for regulating impulse width, namely dutycycle is regulated, gauge outfit A selects internal resistance to be 1K Ω, range is the record gauge outfit of 1mA.Circuit structure is simple, and the components and parts used are cheap, therefore cost of manufacture is greatly reduced, forming single-shot trigger circuits by the frequency inverted of electric system by 555 time base circuits is magnitude of voltage, thus accurately measure, and represented intuitively by gauge outfit, therefore have structure simple, measure precisely and the advantage of stable performance.
Claims (3)
1. an electric system cycle measuring instrument, comprises transformer W, rectifier bridge T, triode V1, gauge outfit A and chip IC 1, it is characterized in that, the two ends of the winding N1 of described transformer W connect the two ends of 220V alternating current respectively, the two ends of the winding N2 of transformer W connect the port one of rectifier bridge T and the port 3 of rectifier bridge T respectively, the port 2 contact resistance R8 of rectifier bridge T, resistance R12, resistance R13, electric capacity C5, electric capacity C8, the negative electrode of diode D1, the anode of diode D3, the anode of diode D4 and the pin 1 of chip IC 1, the port 4 contact resistance R1 of rectifier bridge T, resistance R2 and electric capacity C1, the other end of resistance R1 connects the negative electrode of diode D5 and the collector of triode V1, the winding N3 of the anode connection transformer W of diode D5, the other end of electric capacity C1 and electric capacity C2, the other end of the winding N3 of transformer W connects the negative electrode of diode D6, the other end contact resistance R3 of resistance R2 and the other end of electric capacity C2, the base stage of other end connecting triode V1 of resistance R3 and the collector of triode V2, the anode contact resistance R5 of diode D6, the other end of resistance R5 connects anode and the electric capacity C6 of diode D1, the emitter of triode V2 connects negative electrode and the resistance R4 of diode D3, the other end of the emitter contact resistance R4 of triode V1, resistance R9, resistance R7, resistance R14, electric capacity C3, the other end of electric capacity C4, the collector of triode V3, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the base stage of triode V2 connects the other end of electric capacity C3, the other end of resistance R6 connects the stiff end of potentiometer RP1, the other end of another stiff end contact resistance R8 of potentiometer RP1, the sliding end of potentiometer RP1 connects the other end of electric capacity C5 and the pin 2 of chip IC 1, the other end of resistance R9 connects electric capacity C7, the pin 6 of chip IC 1 and the pin 7 of chip IC 1, the other end of the pin 2 contact resistance R11 of chip IC 1, the other end of resistance R12 and the other end of electric capacity C6, the pin 3 contact resistance R10 of chip IC 1, the other end of resistance R10 connects the stiff end of potentiometer RP2, the other end of another stiff end contact resistance R13 of potentiometer RP2, the base stage of the sliding end connecting triode V3 of potentiometer RP2, the other end of resistance R13 and the other end of electric capacity C8, the emitter of triode V3 connects anode and the gauge outfit A of diode D3, the negative electrode of diode D3 connects the negative electrode of diode D4, the other end of resistance R7 and the other end of gauge outfit A.
2. a kind of electric system cycle measuring instrument according to claim 1, is characterized in that, described chip IC 1 is NE555 type time base circuit.
3. according to a kind of electric system cycle measuring instrument according to claim 1, it is characterized in that, winding N1, the winding N2 of described transformer W and the turn ratio of winding N3 are 220:24:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312256.6U CN204556774U (en) | 2015-05-15 | 2015-05-15 | A kind of electric system cycle measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312256.6U CN204556774U (en) | 2015-05-15 | 2015-05-15 | A kind of electric system cycle measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204556774U true CN204556774U (en) | 2015-08-12 |
Family
ID=53831868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520312256.6U Expired - Fee Related CN204556774U (en) | 2015-05-15 | 2015-05-15 | A kind of electric system cycle measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204556774U (en) |
-
2015
- 2015-05-15 CN CN201520312256.6U patent/CN204556774U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203775050U (en) | Adjustable DC regulated power supply with Zener diode test function | |
| CN203502448U (en) | Simple signal wave generator | |
| CN204556774U (en) | A kind of electric system cycle measuring instrument | |
| CN204669244U (en) | A kind of constant current output power circuit | |
| CN204535873U (en) | A kind of low-cost and high-precision thermometer | |
| CN205051407U (en) | Lithium batteries protects controller | |
| CN202735404U (en) | Power detection circuit and electric fan using same | |
| WO2017031694A1 (en) | Power supply of single-phase electronic electric energy meter | |
| CN204758689U (en) | Voltage detection circuit | |
| CN203133148U (en) | 100V/220V voltage arbiter | |
| CN203732605U (en) | Battery voltage detecting circuit | |
| CN204347646U (en) | A kind of Intelligent constant incubator system | |
| CN106484068A (en) | A kind of computer display card constant current-supplying circuit | |
| CN205562731U (en) | Diode breakdown voltage test circuit | |
| CN204649840U (en) | A kind of Portable A. C frequency collection device | |
| CN203643520U (en) | Optoelectronic coupler fault detector | |
| CN204597797U (en) | A kind of adjustable voltage stabilizer | |
| CN204256020U (en) | A kind of Multifunction debugging instrument | |
| CN203658480U (en) | Voltage-stabilization photoelectric coupler detection circuit | |
| CN205691665U (en) | A kind of frequency measurement indicating circuit | |
| CN204615686U (en) | A kind of continuously adjustabe DC power supply | |
| CN204291491U (en) | A kind of LED pompon bubble lamp driving power source | |
| CN204832376U (en) | Battery analog circuit | |
| CN203798896U (en) | Zero crossing detection circuit | |
| CN203761365U (en) | Power frequency measuring signal conversion circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151224 Address after: Xiangzhou District of Guangdong city in Zhuhai province 519000 Permanent Road No. 19 Building 601 5 Patentee after: ZHUHAI JIDA HUAPU INSTRUMENT CO., LTD. Address before: The five bridge in the town of Fuyang District of Hangzhou city 311404 new village in Zhejiang Province Patentee before: Fuyang Huai Bang Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |