CN203561690U - Power consumption detection circuit of LED lighting device - Google Patents

Power consumption detection circuit of LED lighting device Download PDF

Info

Publication number
CN203561690U
CN203561690U CN201320695942.7U CN201320695942U CN203561690U CN 203561690 U CN203561690 U CN 203561690U CN 201320695942 U CN201320695942 U CN 201320695942U CN 203561690 U CN203561690 U CN 203561690U
Authority
CN
China
Prior art keywords
lighting device
led lighting
power consumption
unit
power
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.)
Withdrawn - After Issue
Application number
CN201320695942.7U
Other languages
Chinese (zh)
Inventor
孙超群
沈锦祥
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.)
Zhejiang Shenghui Lighting Co Ltd
Original Assignee
Zhejiang Shenghui Lighting 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 Zhejiang Shenghui Lighting Co Ltd filed Critical Zhejiang Shenghui Lighting Co Ltd
Priority to CN201320695942.7U priority Critical patent/CN203561690U/en
Application granted granted Critical
Publication of CN203561690U publication Critical patent/CN203561690U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Abstract

The utility model discloses a power consumption detection circuit of an LED lighting device. The power consumption detection circuit comprises an input voltage sampling unit, an output voltage sampling unit, an output current sampling unit and a controller unit. The input voltage sampling unit, the output voltage sampling unit and the output current sampling unit are all connected with the controller unit to respectively send input voltage, output voltage and output current of an LED lighting device, detected in a real-time manner, to the controller unit. The controller unit, on the basis of efficiency curve of different voltages of the LED lighting device, calculates real-time input power and calculates power consumption of the LED lighting device through integration of the time. Each LED lighting device has a built-in efficiency curve under a condition of different input voltages, input power is calculated through output voltage, output current and input voltage and then the amount of power consumption is obtained. Changes of power consumption can be accurately reflected during light modulation of the LED lighting device.

Description

The power consumption testing circuit of LED lighting device
Technical field
The utility model relates to LED lighting field, particularly a kind of power consumption testing circuit of LED lighting device.
Background technology
LED due to have energy-saving and environmental protection, can be light-operated, the lot of advantages such as solidification, long-life, in the today of advocating low-carbon (LC) life, be widely used in various lighting fields.
Existing household electricity amount detecting device is all generally the power consumption that detects whole family, little for illuminating lamp power detection and power consumption pick-up unit separately, and, traditional illuminating lamp power detection and power consumption pick-up unit mostly need special electric weight detection chip, price is high, size is large, very inapplicable home lighting occasion.In addition, LED lamp is when light modulation, and traditional illuminating lamp power detection and power consumption detect the minimizing that cannot embody LED lamp light modulation power consumption when dimmed, do not meet the requirement of energy-conserving and environment-protective.
Utility model content
The utility model is for above-mentioned the deficiencies in the prior art, provides that a kind of cost is low, the power consumption testing circuit of the little and applicable LED lighting device energy-conserving and environment-protective requirement that takes up room.
The technical solution of the utility model is achieved in that
A kind of power consumption testing circuit of LED lighting device, comprise that LED drives power supply unit, the LED luminescence unit that drives power supply unit to be connected with LED, the power consumption testing circuit of described LED lighting device also comprises input voltage sampling unit, output voltage sampling unit, output current sampling unit and controller unit, described input voltage sampling unit, output voltage sampling unit is all connected with controller unit with output current sampling unit, for detecting in real time the output voltage of LED lighting device, output current and input voltage send controller unit to, described controller unit is the efficiency curve when the different input voltage according to LED lighting device, calculate real-time power input, and by the integration to the time, thereby calculate the power consumption of LED lighting device.
As preferably, the power consumption testing circuit of described LED lighting device also comprises display unit, and described display unit connects controller unit, for showing real-time power input, output power and the power consumption of LED lighting device.
As preferably, the power consumption testing circuit of described LED lighting device also comprises radio frequency unit, described radio frequency unit connects controller unit, for real-time power input, output power and the power consumption of the LED lighting device calculating are transmitted to intelligent terminal or cloud server.
Compared to prior art, the utility model detects output voltage, output current and the input voltage of LED lighting device in real time, then by the efficiency curve of the LED lighting device that formerly records, the namely corresponding curve between output power and efficiency under different input voltages, calculate real-time power input, and pass through the integration to the time, thereby calculate the power consumption of LED lighting device.Compared to existing technologies, when the light modulation of LED lighting device, can reflect accurately the variation of power consumption.
The utility model cost is low, it is little to take up room, and is applicable to very much LED lighting device.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the power consumption testing circuit of the utility model LED lighting device;
Fig. 2 is the schematic diagram of efficiency curve in the utility model embodiment.
Embodiment
Embodiment of the present utility model is as follows:
Embodiment: Fig. 1 is the structured flowchart of the power consumption testing circuit of the utility model LED lighting device, as shown in Figure 1, the power consumption testing circuit of the utility model LED lighting device comprises that LED drives power supply unit 1, the LED luminescence unit 2 that drives power supply unit 1 to be connected with LED, input voltage sampling unit 3, output voltage sampling unit 4, output current sampling unit 5, controller unit 6, display unit 7 and radio frequency unit 8, described input voltage sampling unit 3, output voltage sampling unit 4 is all connected with controller unit 6 with output current sampling unit 5, for detecting in real time the output voltage of LED lighting device, output current and input voltage send controller unit 6 to.
The efficiency eff.=output power P of LED lighting device o/ power input P in; Because output power P o=output voltage V o× output current I oso effectiveness formula can also be expressed as eff.=V o× I o/ P in.
Conventionally under a fixing input voltage, the efficiency that every LED power supply a or each specification changes with respect to output power can be substantially approaching, and difference is very little, substantially can ignore.
For the power supply of a LED lighting device, its efficiency conventionally can be variant under different input voltages.This is mainly because under different input voltages, and the different institutes of the electric current and voltage stress of main power conversion apparatus cause.Therefore as shown in Figure 2, under different input voltages all to there being an efficiency curve, therefore as long as actual measurement obtains the efficiency curve along with different input voltages of the power supply of the LED lighting device of every a or each specification, and be stored in the storer of controller unit, just can be in real time according to the output voltage, output current and the input voltage parameter that collect, by tabling look-up and the method such as interpolation, obtain the efficiency value under this condition of work, and calculate real-time power input.The power input calculating in real time according to this is again carried out integral operation to the time, can obtain the power consumption that LED lighting device consumes.
The utility model is by input voltage sampling unit 3, output voltage sampling unit 4 and output current sampling unit 5, detect in real time output voltage, output current and the input voltage of LED lighting device, then controller unit 6 according to LED lighting device the efficiency curve when the different input voltage, calculate real-time power input, and pass through the integration to the time, thereby calculate the power consumption of LED lighting device.Described input voltage sampling unit 3, output voltage sampling unit 4 and output current sampling unit 5 can adopt traditional electric current and voltage sampling circuit to realize.
Further, described controller unit 6 also connects display unit 7, the realtime power of the LED lighting device calculating and power consumption can directly be presented on display unit 7, this display unit 7 can be arranged on LED lighting device, also can not be arranged on LED lighting device, but be electrically connected by a wire and LED lighting device.
Further, described controller unit 6 also connects radio frequency unit 8, also the realtime power of the LED lighting device calculating and power consumption can be passed through to radio frequency unit, as the modules such as WiFi, bluetooth, Zigbee send to intelligent terminal or cloud server.
The detection method of the power consumption testing circuit of the utility model LED lighting device comprises the following steps:
Step 1: first record the efficiency curve of every money LED lighting device under different input voltages, and be stored in controller unit;
Step 2: the input voltage to LED lighting device is sampled, detects the input voltage of LED lighting device in real time;
Step 3: the output voltage to LED lighting device is sampled, detects the output voltage of LED lighting device in real time;
Step 4: the output current to LED lighting device is sampled, detects the output current of LED lighting device in real time;
Step 5: the efficiency curve according to LED lighting device when the different input voltage, calculates real-time power input, and by the integration to the time, thereby calculate the power consumption of LED lighting device;
Step 6: the realtime power and the power consumption that show LED lighting device by a display unit;
Step 7: the realtime power of the LED lighting device calculating and power consumption are transmitted to intelligent terminal or cloud server by a radio frequency unit.
Compared to prior art, power consumption testing circuit and the method cost of the LED lighting device that the utility model discloses be low, it is little to take up room, and, when LED lighting device is when light modulation is dimmed, the utility model reflects the minimizing of LED lighting device power consumption, meets the requirement of LED lighting device energy-conserving and environment-protective.
The utility model preferred embodiment is just for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this utility model is only described embodiment.Obviously, according to the content of this instructions, can make many modifications and variations.These embodiment are chosen and specifically described to this instructions, is in order to explain better principle of the present utility model and practical application, thereby under making, technical field technician can utilize the utility model well.The utility model is only subject to the restriction of claims and four corner and equivalent.Disclosed is above only several specific embodiments of the application, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection domain.

Claims (3)

1. the power consumption testing circuit of a LED lighting device, comprise that LED drives power supply unit, the LED luminescence unit that drives power supply unit to be connected with LED, it is characterized in that: the power consumption testing circuit of described LED lighting device also comprises input voltage sampling unit, output voltage sampling unit, output current sampling unit and controller unit, described input voltage sampling unit, output voltage sampling unit is all connected with controller unit with output current sampling unit, for detecting in real time the output voltage of LED lighting device, output current and input voltage send controller unit to, described controller unit is the efficiency curve when the different input voltage according to LED lighting device, calculate real-time power input, and by the integration to the time, thereby calculate the power consumption of LED lighting device.
2. the power consumption testing circuit of LED lighting device according to claim 1, it is characterized in that: the power consumption testing circuit of described LED lighting device also comprises display unit, described display unit connects controller unit, for showing real-time power input, output power and the power consumption of LED lighting device.
3. the power consumption testing circuit of LED lighting device according to claim 1, it is characterized in that: the power consumption testing circuit of described LED lighting device also comprises radio frequency unit, described radio frequency unit connects controller unit, for real-time power input, output power and the power consumption of the LED lighting device calculating are transmitted to intelligent terminal or cloud server.
CN201320695942.7U 2013-11-06 2013-11-06 Power consumption detection circuit of LED lighting device Withdrawn - After Issue CN203561690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320695942.7U CN203561690U (en) 2013-11-06 2013-11-06 Power consumption detection circuit of LED lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320695942.7U CN203561690U (en) 2013-11-06 2013-11-06 Power consumption detection circuit of LED lighting device

Publications (1)

Publication Number Publication Date
CN203561690U true CN203561690U (en) 2014-04-23

Family

ID=50511404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320695942.7U Withdrawn - After Issue CN203561690U (en) 2013-11-06 2013-11-06 Power consumption detection circuit of LED lighting device

Country Status (1)

Country Link
CN (1) CN203561690U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616561A (en) * 2013-11-06 2014-03-05 浙江生辉照明有限公司 Electricity consumption detection circuit and detection method of LED lighting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616561A (en) * 2013-11-06 2014-03-05 浙江生辉照明有限公司 Electricity consumption detection circuit and detection method of LED lighting device
WO2015067012A1 (en) * 2013-11-06 2015-05-14 Zhejiang Shenghui Lighting Co.,Ltd Electrical circuit and method for measuring power consumption of led lighting device
US20160245849A1 (en) * 2013-11-06 2016-08-25 Zhejiang Shenghui Lighting Co.,Ltd An electrical circuit and a method for measuring the power consumption of an led lighting device
CN103616561B (en) * 2013-11-06 2016-09-28 浙江生辉照明有限公司 The power consumption testing circuit of LED light device and detection method
US9791483B2 (en) * 2013-11-06 2017-10-17 Zhejiang Shenghui Lighting Co., Ltd Electrical circuit and a method for measuring the power consumption of an LED lighting device

Similar Documents

Publication Publication Date Title
CN203466131U (en) Relay point starting control circuit
CN103424606B (en) A kind of low voltage electric power carrier communication zero cross detection circuit of frequency self-adaption
CN101466193A (en) Method for monitoring lighting lamp power factor compensation capacitance fault
CN104754840A (en) Novel LED driving power supply
CN102707133B (en) The device of the alternating voltage that a kind of survey frequency is variable, system and method
CN103616561A (en) Electricity consumption detection circuit and detection method of LED lighting device
CN201867443U (en) Home appliance and mains supply strong current signal detection circuit thereof
CN203275595U (en) Switch state inspection circuit
CN204349567U (en) The identification circuit of a kind of internal combustion engine generator and civil power
CN203561690U (en) Power consumption detection circuit of LED lighting device
CN204405828U (en) A kind of New single-phase intelligent electric energy meter pick-up unit
CN202651766U (en) Single-phase motor protective device
CN202929127U (en) Circuit for detecting three-phase electricity phase sequence and open phase
CN104655916A (en) Alternating-current voltage effective value measuring device and method
CN203688642U (en) Power failure detection circuit
CN202652655U (en) Led constant current drive circuit
CN103619107A (en) LED streetlamp control system and control method
CN204556725U (en) The miniature power consumption pick-up unit of electrical equipment
CN204168001U (en) A kind of intelligent duplicate power supply automatic change-over based on DSP
CN203617772U (en) Photovoltaic charging circuit having maximum power point synchronous tracking function
CN103108472B (en) Intermittent service dimming light-emitting diode (LED) lamp drive circuit
CN204346583U (en) A kind of super low-power consumption indoor illumination intensity measurement mechanism
CN205193149U (en) Simple and easy detection circuitry of line voltage
CN203825086U (en) Three-phase power frequency detection circuit of combination switch
CN204694833U (en) A kind of LED string intelligence energy consumption testing instrument

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140423

Effective date of abandoning: 20160928

C25 Abandonment of patent right or utility model to avoid double patenting