[go: up one dir, main page]

WO2018188109A1 - Ballast électronique de sortie commutable - Google Patents

Ballast électronique de sortie commutable Download PDF

Info

Publication number
WO2018188109A1
WO2018188109A1 PCT/CN2017/081342 CN2017081342W WO2018188109A1 WO 2018188109 A1 WO2018188109 A1 WO 2018188109A1 CN 2017081342 W CN2017081342 W CN 2017081342W WO 2018188109 A1 WO2018188109 A1 WO 2018188109A1
Authority
WO
WIPO (PCT)
Prior art keywords
resistor
relay
transistor
circuit
main controller
Prior art date
Application number
PCT/CN2017/081342
Other languages
English (en)
Chinese (zh)
Inventor
褚青松
张玉杰
王留洋
胡中南
Original Assignee
深圳市朗科智能电气股份有限公司
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 深圳市朗科智能电气股份有限公司 filed Critical 深圳市朗科智能电气股份有限公司
Publication of WO2018188109A1 publication Critical patent/WO2018188109A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices

Definitions

  • the present invention relates to electronic ballasts, and more particularly to a switchable output electronic ballast.
  • Electronic ballasts are widely used in the field of lighting. They have the advantages of good energy-saving performance, stable illumination, dimming, etc., and are popular among all walks of life, especially in indoor planting, and are widely used.
  • many growers will use the plant fill light to fill the plants according to the growth habits of the plants, thereby increasing the production yield of the plants.
  • electronic ballasts are generally used as the power source.
  • Existing electronic ballasts can only be connected to one light source. When such a large area is filled, a large number of electronic ballasts are required, and the production cost is high.
  • the growth habits of plant production include photosynthesis and dormancy.
  • the light supplementation is beneficial to the growth of the plants; when the plants are in the dormant stage, there is no need to fill the light, and the electronic ballast needs to be closed, a large number of Electronic ballasts will be idle and not working, resulting in wasted resources.
  • the technical problem to be solved by the present invention is to provide a switchable output electronic ballast for connecting different light sources by shunting, and solving the inconvenience that the existing electronic ballast can only be shunted by converting boxes.
  • a switchable output electronic ballast comprising:
  • ballast module for converting utility power into high frequency alternating current, comprising a sequentially connected filter circuit, an AC-DC conversion circuit, a power factor correction circuit, and a full bridge inverter circuit;
  • a main controller connected to the full bridge inverter circuit for driving the full bridge inverter circuit
  • a pair of output switching circuits comprising a first branch and a second branch, wherein the first branch and the second branch are respectively provided with a relay K1 and a relay K2, wherein a coil end of the relay K1 is connected to the main controller,
  • the switch end of the relay K1 is connected to the full bridge inverter circuit through the light source L1;
  • the coil end of the relay K2 is connected to the main controller, and the switch end of the relay K2 is connected to the full bridge inverter circuit through the light source L2;
  • the relay K1 When the main controller outputs a high level, the relay K1 operates to close the switch of the pull-in switch end, and the full-bridge inverter circuit is turned on.
  • the full-bridge inverter circuit is open-circuited with the light source L1, the light source L1 is not lit, and the relay K2 is operated to close the switch of the pull-in switch end, the full-bridge inverter circuit turns on the light source L2, and the light source L2 is illuminated;
  • An auxiliary power supply is respectively connected to the main controller and the dual output switching circuit for providing power.
  • the first branch further includes a transistor Q1, a diode D1, a resistor R1, and a resistor R2.
  • the base of the transistor Q1 is connected to the main controller through a resistor R1, and the base of the transistor Q1 passes through the resistor R2 and the transistor.
  • the emitter of Q1 is connected, the emitter of transistor Q1 is grounded, the collector of transistor Q1 is connected to the auxiliary power supply through the coil end of the relay K1, and the diode D1 is connected in parallel to the coil end of the relay K1 to protect the circuit.
  • the second branch further includes a transistor Q2, a transistor Q3, a diode D2, a resistor R3, a resistor R4, a resistor R5, and a resistor R6.
  • the base of the transistor Q2 is connected to the main controller through a resistor R3, and the transistor The base of Q2 is connected to the emitter of transistor Q2 through resistor R4, the emitter of transistor Q2 is grounded, the collector of transistor Q2 is connected to the auxiliary power supply via resistor R5, and the collector of transistor Q2 is connected to the base of transistor Q3.
  • the base of the transistor Q3 is connected to the emitter of the transistor Q3 through the resistor R6, the emitter of the transistor Q3 is grounded, the collector of the transistor Q3 is connected to the auxiliary power source through the coil end of the relay K2, and the diode D2 is connected in parallel The coil end of relay K2 protects the circuit.
  • the full-bridge inverter circuit is further connected to a high-voltage detecting circuit, and the high-voltage detecting circuit is connected to the main controller, and the output voltage of the full-bridge inverter circuit is detected by the main controller.
  • the high voltage detection circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a diode D3, a resistor R7, a resistor R8, and a resistor R9.
  • One end of the capacitor C1 is connected to the live line of the full bridge inverter circuit, and the capacitor C1 is another.
  • One end is connected to the main controller through the resistor R7 and the anode of the diode D3 in sequence, the resistor R7 is also grounded through the resistor R8, the resistor R9 is connected in parallel across the resistor R8, one end of the capacitor C2 is connected to the cathode of the diode D3, and the capacitor C2 is The other end is grounded, and capacitor C3 is connected in parallel across capacitor C2.
  • the main controller is further connected to a communication module, and the communication module is configured to receive control information sent by the user terminal and transmit the control information to the main controller, where the communication module is connected to the user terminal by wire or wirelessly.
  • main controller is further connected to a display module, and the display module is controlled by the main controller to display an abnormal condition of the circuit.
  • the display module is a liquid crystal display.
  • the beneficial technical effect of the present invention is that the switchable output electronic ballast is controlled by the main controller to control the dual output switching circuit switching relay K1 or the relay K2 to make the full bridge inverter circuit be connected to different light sources, thereby solving the problem.
  • the existing electronic ballast needs to cooperate with a conversion box to realize the trouble of splitting and lighting different light sources.
  • the switchable output electronic ballast has a simple structure, and can intelligently control the connection between different light sources and the electronic ballast through the main controller, without using the conversion box, and is convenient to use, and meets the needs of the user.
  • FIG. 1 is a block diagram showing the structure of an embodiment of the present invention.
  • FIG. 2 is a partial circuit connection diagram of an embodiment of the present invention.
  • the switchable output electronic ballast includes a ballast module 1 for converting the commercial power into high frequency alternating current, which includes the sequentially connected filter circuit 11, AC-DC conversion.
  • the full bridge inverter circuit 14 is connected; the coil end of the relay K2 is connected to the main controller 2, and the switch end of the relay K2 is connected to the full bridge inverter circuit 14 through the light source L2; during operation, the relay K1 and the relay K2 are controlled by the main control The device 2 alternately works.
  • the relay K1 When the main controller 2 outputs a high level, the relay K1 operates to close the switch of the pull-in switch end, the full-bridge inverter circuit 14 turns on the light source L1, the light source L1 is illuminated, and the relay K2 does not work, all Bridge inverter circuit 14 and light source L2 open circuit Connected, the light source L2 is not bright; when the main controller 2 outputs a low level, the relay K1 does not work, the full-bridge inverter circuit is open-circuited with the light source L1, the light source L1 is not lit, and the relay K2 works to close the switch of the pull-in switch end
  • the full-bridge inverter circuit turns on the light source L2, and the light source L2 is illuminated; and an auxiliary power source 4, which is respectively connected to the main controller 2 and the dual output switching circuit 3, for supplying power.
  • the filter circuit 11 in the ballast module 1 adopts an EMC filter circuit, and the input end thereof is connected with the mains, which can filter the conducted radio frequency interference and electromagnetic interference in the utility power grid, and hinder the ballast circuit.
  • the generated conductive radio frequency and electromagnetic interference enter the power grid;
  • the AC-DC conversion circuit 12 converts the input alternating current into direct current;
  • the power factor correction circuit 13 uses the APFC circuit to improve the total harmonic content of the power incoming line current and the circuit power factor. High and low; the full bridge inverter circuit 14 completes the conversion of the DC high voltage to the high frequency alternating current to turn on the light source.
  • the auxiliary power source 4 is generally built in the electronic ballast, and converts the commercial power into direct current to satisfy the operation of the main controller 2 and the dual output switching circuit 3.
  • the first branch further includes a transistor Q1, a diode D1, a resistor R1, and a resistor R2.
  • the base of the transistor Q1 is connected to the main controller through a resistor R1, and the transistor Q1 is The base is connected to the emitter of the transistor Q1 through the resistor R2, the emitter of the transistor Q1 is grounded, the collector of the transistor Q1 is connected to the auxiliary power source through the coil end of the relay K1, and the diode D1 is connected in parallel to the coil of the relay K1. End to protect the circuit.
  • the second branch further includes a transistor Q2, a transistor Q3, a diode D2, a resistor R3, a resistor R4, a resistor R5, and a resistor R6.
  • the base of the transistor Q2 is connected to the main controller through a resistor R3, and the base of the transistor Q2 passes through
  • the resistor R4 is connected to the emitter of the transistor Q2, the emitter of the transistor Q2 is grounded, the collector of the transistor Q2 is connected to the auxiliary power source through the resistor R5, and the collector of the transistor Q2 is connected to the base of the transistor Q3, and the base of the transistor Q3 is connected.
  • the pole is connected to the emitter of the transistor Q3 through the resistor R6, the emitter of the transistor Q3 is grounded, the collector of the transistor Q3 is connected to the auxiliary power source through the coil end of the relay K2, and the diode D2 is connected in parallel at the coil end of the relay K2.
  • the main controller 2 outputs different control signals to the dual output switching circuit 3, and the dual output switching circuit 3 switches the relay K1 or the relay K2 according to the control signal, specifically, when the main controller 2 is switched to the dual output switching circuit.
  • the full-bridge inverter circuit 14 is connected to a high-voltage detecting circuit 5, which is connected to the main controller 2, and detects the output voltage of the full-bridge inverter circuit 14 through the main controller 2.
  • the high voltage detecting circuit 5 includes a capacitor C1, a capacitor C2, a capacitor C3, a diode D3, a resistor R7, a resistor R8, and a resistor R9.
  • One end of the capacitor C1 is connected to a live line of the full bridge inverter circuit, and the capacitor C1 is connected. The other end is connected to the main controller through the resistor R7 and the anode of the diode D3. The resistor R7 is also grounded through the resistor R8. The resistor R9 is connected in parallel across the resistor R8.
  • One end of the capacitor C2 is connected to the cathode of the diode D3. The other end of C2 is grounded, and capacitor C3 is connected in parallel across capacitor C2.
  • the output voltage of the full-bridge inverter circuit 14 is firstly blocked by the capacitor C1 and the resistor R7, and then divided by the resistor R8 and the resistor R9, and then filtered by the capacitor C2 and the capacitor C3, and then input to the main control.
  • the main controller 2 calculates the output voltage of the full-bridge inverter circuit 14, and when the output voltage reaches the maximum withstand voltage limit of the relay in the dual-output switching circuit 3, the main controller 2 controls the full-bridge inverse
  • the variable circuit 14 turns off the output, thereby protecting the dual output switching circuit 3.
  • the main controller 2 is also connected to a communication module 6 for receiving control information sent by the user terminal 7 and transmitting it to the main controller 2, which is connected to the user terminal 7 by wire or wirelessly.
  • the user terminal 7 includes a desktop computer, a mobile phone, an IPAD, etc., in use, the user sends relevant control information to the communication module 6 through the user terminal 7, and the communication module 6 receives the control information and transmits the control information to the main controller 2, the main controller 2
  • the dual output switching circuit 3 is controlled based on the control information so that the relay K1 or the relay K2 is selectively operated, so that the full-bridge inverter circuit 14 is switched on and turned on with different light sources. In actual use, the illumination range, illumination time, illumination intensity, etc.
  • the light source L1 in the planting house 1 can be set according to requirements, such as controlling the light source L1 in the planting house 1 to light up, the light source L2 to be extinguished, etc., or controlling the light source L1 to work for 23 hours, the light source L2 to work for 1 hour, etc., or The output power of the light source L1 and the light source L2 is controlled.
  • the main controller 2 is also connected to a display module 8, which is controlled by the main controller 2 to display an abnormal condition of the circuit.
  • the main controller 2 can detect the input voltage of the mains, the output voltage of the full-bridge inverter circuit 14, the input current of the light source L1 or the light source L2, the temperature of the electronic ballast, etc., which are easy to cause the circuit work.
  • the affected data when the data is abnormal, the main controller 2 transmits the detection result to the display module 8 for display, thereby reminding the user to timely repair the circuit and ensure the circuit safety.
  • the display module 8 adopts a liquid crystal display, and the display effect is good.
  • a circuit abnormality alarm device can also be set according to actual needs, so as to better remind the user.
  • the switchable output electronic ballast controls the dual output switching circuit 3 to switch the relay K1 or the relay K2 to operate by the main controller 2, so that the full bridge inverter circuit 14 is switched on and connected to different light sources to solve the problem.
  • the existing electronic ballast needs to be equipped with a conversion box to realize the inconvenience of splitting and lighting different light sources; in addition, the switchable output electronic ballast is also provided with a high voltage detecting circuit 5, which can effectively protect the dual output switching circuit 3 In the relay, the double output switching circuit 3 is prevented from being damaged; at the same time, the switchable output electronic ballast is further provided with a display module 8, through which the abnormality of the circuit can be clearly understood, and the circuit can be repaired in time if an abnormality is found.
  • the switchable output electronic ballast has a simple structure, and the intelligent control output can be connected to different light sources without the need of a conversion box, which is convenient to use and meets the user's desire to intelligently control different light sources, and can be widely applied to large-scale applications. Planting, farming or a wide range of circuit light source control areas.

Landscapes

  • Inverter Devices (AREA)

Abstract

La présente invention concerne un ballast électronique de sortie commutable, comprenant un module de ballast destiné à convertir une alimentation secteur en un courant alternatif haute fréquence, comprenant un circuit de filtre, un circuit de conversion CA-CC, un circuit de correction de facteur de puissance, et un circuit onduleur en pont complet connectés successivement ; un dispositif de commande maître connecté au circuit onduleur en pont complet et destiné à commander le circuit onduleur en pont complet ; et un circuit de commutation à double sortie, comprenant une première branche et une seconde branche, la première branche et la seconde branche étant respectivement pourvues d'un relais K1 et d'un relais K2, une extrémité de bobine du relais K1 étant connectée au dispositif de commande maître, une extrémité de commutation du relais K1 étant connectée au circuit onduleur en pont complet au moyen d'une source de lumière L1, et une extrémité de bobine du relais K2 étant connectée au dispositif de commande maître, une extrémité de commutation du relais K2 étant connectée au circuit onduleur en pont complet au moyen d'une source de lumière L2. Le présent ballast électronique de sortie commutable présente une structure simple, peut commander de manière intelligente la connexion du ballast électronique aux différentes sources de lumière, n'a pas besoin d'être utilisé avec une boîte de conversion, et est pratique à utiliser.
PCT/CN2017/081342 2017-04-11 2017-04-21 Ballast électronique de sortie commutable WO2018188109A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710233047 2017-04-11
CN201710233047.6 2017-04-11

Publications (1)

Publication Number Publication Date
WO2018188109A1 true WO2018188109A1 (fr) 2018-10-18

Family

ID=63792198

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/081342 WO2018188109A1 (fr) 2017-04-11 2017-04-21 Ballast électronique de sortie commutable

Country Status (1)

Country Link
WO (1) WO2018188109A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030197478A1 (en) * 2002-04-19 2003-10-23 Hitachi Media Electronics Co., Ltd. Discharge lamp lighting device
CN102781148A (zh) * 2011-05-11 2012-11-14 奥斯兰姆施尔凡尼亚公司 二照度灯镇流器
CN102938965A (zh) * 2012-11-20 2013-02-20 深圳市朗文科技实业有限公司 双灯智能切换电子镇流器
CN103179768A (zh) * 2012-03-15 2013-06-26 上海劲吉节能环保科技发展有限公司 一种智能电子镇流器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030197478A1 (en) * 2002-04-19 2003-10-23 Hitachi Media Electronics Co., Ltd. Discharge lamp lighting device
CN102781148A (zh) * 2011-05-11 2012-11-14 奥斯兰姆施尔凡尼亚公司 二照度灯镇流器
CN103179768A (zh) * 2012-03-15 2013-06-26 上海劲吉节能环保科技发展有限公司 一种智能电子镇流器
CN102938965A (zh) * 2012-11-20 2013-02-20 深圳市朗文科技实业有限公司 双灯智能切换电子镇流器

Similar Documents

Publication Publication Date Title
CN102448224B (zh) 一种led灯直流集中供电管理方法及装置
CN101583220A (zh) 一种led路灯控制器
CN103200741A (zh) 一种基于环境照度自适应技术的led智能照明系统
CN206442570U (zh) 一种教室灯光照明控制系统
CN206442561U (zh) 一种应急灯控制电路
CN201585176U (zh) 智能终端控制器
CN203537627U (zh) Led路灯数字远传驱动控制电源
WO2018188109A1 (fr) Ballast électronique de sortie commutable
CN204190991U (zh) 一种led 驱动电源控制装置
CN204392938U (zh) 一种智能植物补光系统
CN202396071U (zh) 一种基于物联网无线控制的hid电子镇流器
CN109379806A (zh) 一种调光驱动电路、调光控制器和led灯具
CN204721648U (zh) 电感式变功率单灯控制系统
CN206365117U (zh) 一种智能路灯的控制系统
CN205249538U (zh) 基于物联网远程监控的led照明系统
CN204968196U (zh) 一种led灯具用无线调光控制器
CN210112346U (zh) 多功能路灯电源系统
CN210247111U (zh) 一种led路灯的电气连接结构
CN203675379U (zh) 一种led智能控制终端
CN202918571U (zh) 双灯智能切换电子镇流器
CN207443182U (zh) Led路灯集中供电系统
CN207560383U (zh) 一种基于led可见光通信的照明装置
CN201571248U (zh) 一种无线遥控调光电子镇流器
CN202364424U (zh) 智能路灯节能监控装置
CN208300097U (zh) 一种高校教室节电系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17905289

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17905289

Country of ref document: EP

Kind code of ref document: A1