CN201622304U - Standby energy consumption test instrument - Google Patents

Standby energy consumption test instrument Download PDF

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Publication number
CN201622304U
CN201622304U CN2010201515676U CN201020151567U CN201622304U CN 201622304 U CN201622304 U CN 201622304U CN 2010201515676 U CN2010201515676 U CN 2010201515676U CN 201020151567 U CN201020151567 U CN 201020151567U CN 201622304 U CN201622304 U CN 201622304U
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CN
China
Prior art keywords
circuit
energy consumption
power
display
reometer
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
Application number
CN2010201515676U
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Chinese (zh)
Inventor
华肇和
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN SHENHUA ENERGY-SAVING TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
WUHAN SHENHUA ENERGY-SAVING TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUHAN SHENHUA ENERGY-SAVING TECHNOLOGY DEVELOPMENT Co Ltd filed Critical WUHAN SHENHUA ENERGY-SAVING TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN2010201515676U priority Critical patent/CN201622304U/en
Application granted granted Critical
Publication of CN201622304U publication Critical patent/CN201622304U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a detecting device of an electrical appliance, in particular to a standby energy consumption test instrument which comprises a power supply circuit and an current meter, wherein the current meter comprises a sampling resistor and a display circuit, the sampling resistor is connected in a loop between a power supply and electric equipment in series, the display circuit is connected with two ends of a current divider in parallel, and the power supply circuit provides working electric energy for the current meter. The standby energy consumption test instrument can display the standby state in a real-time, clear and intuitive manner through the current meter connected between the power supply and the electric equipment, or display the consumed power value in the current standby state in the real-time manner through conversion, thereby improving the power-saving awareness of people and further actively saving the use of energy.

Description

The standby energy consumption tester
Technical field
The utility model relates to a kind of electric equipment pick-up unit, particularly a kind of standby energy consumption tester.
Technical background
Standby energy consumption, be meant that electric equipment products are connected on the power supply but are in the power consumption of waiting status, according to statistics, the standby energy consumption of different household appliances does not wait from 10W~40W respectively, have up to 60W, the previous urban households of order TV, air-conditioning, DVD, phonotape and videotape, computer is added up, accumulative total standby energy consumption power is about 60W, the standby energy consumption that calculated like this one day 24 hours is spent approximately Weis 1.5,1 year about 550 degree of standby energy consumption, past electrical equipment or the consumer energy consumption in holding state still can't measurements and calculations, and daily consumption habit makes people waste much electricity.
The utility model content
The utility model has overcome above-mentioned shortcoming, and a kind of simple in structure, detection architecture standby energy consumption tester intuitively is provided.
The technical scheme in the invention for solving the technical problem is: comprise power circuit and reometer, described reometer comprises sample resistance and display circuit, described sample resistance is connected in power supply and the electricity consumption loop between being provided with, described display circuit is connected in parallel on described shunt two ends, described power circuit comprise transformer that a former limit is connected in parallel on both ends of power with link to each other with described transformer secondary+the 5V power circuit.
Also can comprise another reometer and a range switch circuit, described another reometer comprises, a shunt and another display circuit, described shunt is connected in the loop between power supply and the consumer, described another display circuit is in parallel with described sample resistance, and two display circuits are connected to two control ends of a double throw switch, and described double throw switch is by described range switch circuit control.
Described range switch circuit can comprise connection in turn+12V power circuit, detect sample circuit, and the input end of described+12V power circuit is connected to the secondary of described transformer, and described detection sample circuit is controlled the switching of described double throw switch.
Also can be provided with a protective relay and driving circuit, described driving circuit connects described detection sample circuit and described protective relay coil, and described protective relay contact is connected in parallel on the two ends of described sample resistance.
The utility model is by comprising power circuit and reometer, described reometer comprises sample resistance and display circuit, described sample resistance is connected in the loop between power supply and the consumer, described display circuit is connected in parallel on described shunt two ends, and described power circuit provides work energy for described reometer.The utility model is by the described reometer that is connected between power supply and the consumer, can show holding state real-time, clear, intuitively, perhaps show the performance number that current holding state consumes in real time, thereby improve people's saving consciousness through converting, and then the use of energy savings on one's own initiative.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model
Embodiment
As shown in Figure 1, the utility model comprises the reometer of two ranges, be respectively the reometer V1 of 20A range and the reometer V2 of 2A range, described reometer V1 comprises 20A shunt R1 and display circuit D1, described reometer V2 comprises 2A sample resistance R2 and display circuit D2, wherein 20A shunt R1 and 2A sample resistance R2 are connected in the loop between AC220V power supply and the consumer socket L, two display circuit D1, D2 is in parallel with shunt R1 and sample resistance R2 respectively, and adjacent link is connected with a double throw switch K, the common port of described double throw switch K is connected between described 20A shunt R1 and the 2A sample resistance R2, and two control ends connect described two display circuit D1 respectively, D2.Described display circuit is digital display panel, and clear display is directly perceived.
Described AC220V power end also connects the former limit of a transformer T, the secondary of described transformer T connects respectively+5V power circuit U1 and+12V power circuit U2.Described+5V power circuit U1 provides stable+5V direct supply for described two reometer V1, V2, described+12V power circuit is the coil of joint detection sample circuit U3, driving circuit U4 and the relay J that driven by driving circuit U4 in turn also, and the contact of described relay J is connected in parallel on described 2A sample resistance two ends.
Detect the current value in loop between AC220V power supply and the receptacle L in the utility model by detection sample circuit U3; also just embodied the current standby current value of electrical equipment; and control the closing direction of described double throw switch K by described detection sample circuit U3; when loop current is 0~2A; described double throw switch K invests the display circuit end of described reometer V2; simultaneously; the contact of described driving circuit U4 pilot relay J disconnects; loop current is almost all by described 2A sample resistance; and there is described display circuit D2 to demonstrate current current value or conversion and demonstrates current power; after appliance starting work; loop current can increase; and above 2A; after described detection sampling current detects the electric current of increase; control the display D1 end that described double throw switch K switches to described reometer V1; realize detecting the automatic switchover of range; described detection sample circuit U3 control Driver Circuit U4 of while; and the relay J coil is got; the closing of contact; electric current directly flows through from the contact of described relay J and without described 2A sample resistance R2, thus protected sample resistance R2 and and reometer V2 be not damaged.
More than standby energy consumption tester provided by the utility model is described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims (4)

1. standby energy consumption tester, it is characterized in that: comprise power circuit and reometer, described reometer comprises sample resistance and display circuit, described sample resistance is connected in power supply and the electricity consumption loop between being provided with, described display circuit is connected in parallel on described shunt two ends, described power circuit comprise transformer that a former limit is connected in parallel on both ends of power with link to each other with described transformer secondary+the 5V power circuit.
2. standby energy consumption tester according to claim 1, it is characterized in that: also comprise another reometer and a range switch circuit, described another reometer comprises, a shunt and another display circuit, described shunt is connected in the loop between power supply and the consumer, described another display circuit is in parallel with described sample resistance, and two display circuits are connected to two control ends of a double throw switch, and described double throw switch is by described range switch circuit control.
3. standby energy consumption tester according to claim 2, it is characterized in that: described range switch circuit comprise in turn connect+the 12V power circuit, detect sample circuit, the input end of described+12V power circuit is connected to the secondary of described transformer, and described detection sample circuit is controlled the switching of described double throw switch.
4. according to claim 2 or 3 described standby energy consumption testers; it is characterized in that: also have a protective relay and driving circuit; described driving circuit connects described range switch circuit and described protective relay coil, and described protective relay contact is connected in parallel on the two ends of described sample resistance.
CN2010201515676U 2010-04-07 2010-04-07 Standby energy consumption test instrument Expired - Fee Related CN201622304U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201515676U CN201622304U (en) 2010-04-07 2010-04-07 Standby energy consumption test instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201515676U CN201622304U (en) 2010-04-07 2010-04-07 Standby energy consumption test instrument

Publications (1)

Publication Number Publication Date
CN201622304U true CN201622304U (en) 2010-11-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201515676U Expired - Fee Related CN201622304U (en) 2010-04-07 2010-04-07 Standby energy consumption test instrument

Country Status (1)

Country Link
CN (1) CN201622304U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102486493A (en) * 2010-12-01 2012-06-06 鸿富锦精密工业(深圳)有限公司 Electronic device energy consumption detection system
CN104459263A (en) * 2014-12-05 2015-03-25 深圳市创荣发电子有限公司 Pointer ampere meter capable of automatically shifting gears
CN105004915A (en) * 2015-07-15 2015-10-28 杭州赫智电子科技有限公司 Standby power calculating method for power consumption equipment
CN108717138A (en) * 2018-05-31 2018-10-30 Oppo(重庆)智能科技有限公司 A kind of substrate current test circuit and system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102486493A (en) * 2010-12-01 2012-06-06 鸿富锦精密工业(深圳)有限公司 Electronic device energy consumption detection system
CN104459263A (en) * 2014-12-05 2015-03-25 深圳市创荣发电子有限公司 Pointer ampere meter capable of automatically shifting gears
CN105004915A (en) * 2015-07-15 2015-10-28 杭州赫智电子科技有限公司 Standby power calculating method for power consumption equipment
CN108717138A (en) * 2018-05-31 2018-10-30 Oppo(重庆)智能科技有限公司 A kind of substrate current test circuit and system

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101103

Termination date: 20120407