CN214481396U

CN214481396U - Intelligent electronic ballast suitable for different movie and television lamps

Info

Publication number: CN214481396U
Application number: CN202120842621.XU
Authority: CN
Inventors: 单登荣; 包鸿斌; 陈善
Original assignee: TAICANG ETHER POWER ELECTRONICS TECHNOLOGY CO LTD
Current assignee: TAICANG ETHER POWER ELECTRONICS TECHNOLOGY CO LTD
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-10-22
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses an intelligence electronic ballast suitable for different movie & TV lamps, including a plurality of ballast modules, a plurality of first triggers, at least one second trigger and controller, the alternating current is inserted to the input of ballast module, the input of the first trigger that corresponds is inserted to the output of ballast module, the input of second trigger is connected with the output of ballast module more than two, under the control of controller, each electric control device has synchronous on-state or synchronous off-state, the controller still is used for adjusting the output of ballast module, so that the movie & TV lamp that the total output of a plurality of ballast modules of being connected with the second trigger matches with the second trigger is connected. The utility model provides an intelligence electronic ballast suitable for different movie & TV lamps has realized reducing equipment lease company's ballast equipment's overstock to the adaptation of different power movie & TV lamps.

Description

Intelligent electronic ballast suitable for different movie and television lamps

Technical Field

The utility model relates to an electronic ballast technical field especially relates to an intelligent electronic ballast suitable for different movie & TV lamps.

Background

With the continuous development of lighting technology, the requirements of film and television shooting on lighting and cost are also continuously improved, which will become a necessary trend for the development of the film and television lamp market.

In the market, the traditional movie and television lamps are mainly used, one ballast needs to be correspondingly matched with one lamp, and the overstock on the quantity of equipment of movie and television light equipment leasing companies and the cost pressure are caused to the greatest extent. With the development of the video lamp market, 1.8 kilowatts and 4 kilowatts become the mainstream shooting lamps at present, but the shooting lamps in other power ranges (particularly high power such as 6/9 kilowatts, 12/18 kilowatts and 24 kilowatts) are necessary.

The method has great limitations on the requirements and practical operation of field shooting, and specifically has the following points:

1) from the lighting equipment rental company: before shooting videos, after a lighting teacher of a theater puts forward a lamp specification required by shooting, a lighting equipment rental company needs to match and supply the lamps according to the requirements of the lighting teacher, and large-scale video shooting needs video lamps with inconsistent power, so that the lighting equipment rental company is required to allocate all the video lamps (such as 300W, 575W, 800W, 1200/1800W, 2500/4000W, 6/9 kilowatts, 12/18 kilowatts and 24 kilowatts) of each power section, and the rental company with high equipment allocation rate can take down the lamp items of the theater. Therefore, great requirements are put on the fixed asset cost of the light equipment leasing company, and the market selling price of 1 12/18 kilowatt movie and television lamp and the matched lamp reaches about 20 ten thousand RMB.

2) From the volume weight of movie & TV lamps and lanterns: the larger the power of the traditional movie and television lamp is, the larger and heavier the volume and the weight of the traditional movie and television lamp are, and the traditional movie and television lamp is not favorable for carrying and field operation.

3) From the control mode: the control mode is very simple, and can only satisfy the simple requirement of switch dimming, and the precision of adjusting luminance can't realize high accuracy adjustment, more can't adapt to the control requirement of modern intelligent development.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies in the prior art, the utility model provides an intelligent electronic ballast suitable for different movie & TV lamps, concrete technical scheme is as follows:

the intelligent electronic ballast comprises a plurality of ballast modules, a plurality of first triggers, at least one second trigger and a controller, wherein the input end of each ballast module is connected with external alternating current, the first triggers correspond to the ballast modules one by one, the output ends of the ballast modules are connected with the input ends of the corresponding first triggers, the input ends of the second triggers are connected with the output ends of more than two ballast modules, each branch circuit connected with the ballast modules and the second triggers and connected with the second triggers is provided with an electric control device, each electric control device has a synchronous on state or a synchronous off state under the control of the controller, the output ends of the first triggers and the second triggers are respectively used for being electrically connected with external video lamps one by one, and the controller is also used for adjusting the output power of the ballast modules, so that the total output power of the plurality of ballast modules connected with the second trigger is matched with the movie and television lamp connected with the second trigger.

Furthermore, the limit value of the output power of a single ballast module is M kilowatts, the number of the ballast modules connected with a single second trigger is n, and the ballast modules connected with the single second trigger can provide the output power for the video lamp rated at power less than or equal to nxM kilowatts.

Furthermore, the limit value of the output power of a single ballast module is M kilowatts, the number of the ballast modules is M, and the intelligent electronic ballast suitable for different video lamps can simultaneously provide the output power for M video lamps with rated power less than or equal to M kilowatts.

Further, the output power of each ballast module is the same.

Further, each ballast module has multiple output powers, and the controller can simultaneously switch the output powers of the respective ballast modules.

Further, the controller is provided with a switching key corresponding to the total output power of the plurality of ballast modules.

Further, the controller can linearly adjust the output power of each ballast module at the same time.

Further, the electric control device comprises one of a relay, a contactor, a switch, an optical coupler, an IGBT and an MOS switch tube.

Furthermore, the ballast module adopts linear frequency modulation or fixed point frequency modulation, and the ballast module adopts continuous dimming.

Further, the controller is also provided with a control panel, and the control panel is provided with a status indicator lamp and a display screen.

Further, the controller is provided with a communication module, and the communication module is used for being in communication connection with a built-in cooling fan and a built-in temperature sensor of the external movie and television lamp.

The utility model has the advantages of that:

a. the adaptation to the movie and television lamps with different powers is realized, the backlog of ballast equipment with multiple models or high unit price of an equipment leasing company is reduced, and the cost pressure of fixed assets is well relieved;

b. a plurality of film and television lamps can be used in a matched manner at the same time, and the adaptability is strong;

c. light and handy portable transport, the internally mounted is simple and convenient, easily installation operation saves the cost of labor.

Drawings

Fig. 1 is a schematic structural diagram of an intelligent electronic ballast suitable for different video lamps according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an application of an intelligent electronic ballast suitable for different video lamps according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating an example of an intelligent electronic ballast suitable for different video lamps according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating example deployment of an intelligent electronic ballast suitable for different video lamps according to an embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In an embodiment of the present invention, an intelligent electronic ballast suitable for different video lamps is provided, referring to fig. 1 and fig. 2, comprising a plurality of ballast modules, a plurality of first triggers, at least one second trigger and a controller, wherein the input end of the ballast module is connected to an external ac, the first triggers are in one-to-one correspondence with the ballast modules and the output end of the ballast module is connected to the input end of the corresponding first trigger, the input end of the second trigger is connected to the output ends of more than two ballast modules, each branch connecting the ballast module connected to the second trigger and the second trigger is provided with an electric control device, under the control of the controller, each electric control device has a synchronous on-state or a synchronous off-state, the output ends of the first triggers and the second triggers are used for being electrically connected to the external video lamps in one-to-one correspondence, the controller is further used for adjusting the output power of the ballast module so that the total output power of the ballast modules connected with the second trigger is matched with the movie and television lamp connected with the second trigger.

In one embodiment, each ballast module has multiple identical output powers, for example, each ballast module has two rated output powers of 2 kw and 4 kw, the controller can simultaneously switch the output powers of the ballast modules, and the controller is provided with a switch key corresponding to the total output power of the ballast modules, for example, simultaneously enabling each ballast module to output 4 kw first, and after the lamp is rapidly ignited and smoothly, switching is performed, enabling each ballast module to output 2 kw, so that the power of the lamp is further matched with that of the movie lamp.

In one embodiment, the controller can linearly adjust the output power of each ballast module simultaneously, and the controller is provided with a linear adjusting key corresponding to the total output power of the plurality of ballast modules, so that power matching can be accurately performed according to the parameter requirements required by the required movie and television lamps. For example, 5 2 kilowatt ballast modules can be matched with 10 kilowatt lamps in a parallel connection mode, when 9 kilowatt lamps are connected, the total output power of the plurality of ballast modules can be 9 kilowatts through adjustment of a linear adjusting key, and stable adaptation is realized.

In one embodiment, the output power limit of a single ballast module is M kilowatts, the number of the ballast modules is M, the number of the ballast modules connected with a single second trigger is n, the ballast modules connected with the single second trigger can provide output power for the movie and television lamps with rated power less than or equal to nxm kilowatts, the intelligent electronic ballast suitable for different movie and television lamps can provide output power for M movie and television lamps with rated power less than or equal to M kilowatts at the same time, wherein M and n are positive integers, and the output power of each ballast module is the same.

Specifically, by setting the number and output power of the ballast modules, the total power of the combined electronic ballasts can be respectively: 2 kilowatts, 4 kilowatts, 6 kilowatts, 9 kilowatts, 12 kilowatts, 18 kilowatts, 24 kilowatts, etc. After being combined in parallel, 2 or more than 2 ballast modules are connected with the corresponding controllers through synchronous communication lines, and then are converted and output by the MCU arranged in the controllers so as to match the total power of the corresponding lamps. Referring to fig. 1, 2 ballast modules can be respectively adapted to 2 corresponding 2 kw lamps through corresponding first triggers, or adjusted through MCU built in the controller, and 1 4 kw lamp can be adapted to the corresponding second triggers; referring to fig. 2, 3 ballast modules can be respectively matched with 3 corresponding 2 kw video lamps one by one through corresponding first triggers, or can be adjusted through MCU synchronous communication built in the controller, and 1 6 kw lamp can be matched for lighting by using corresponding second triggers, and similarly, 4 ballast modules can be respectively matched with 4 2 kw lamps, or can be matched with 1 9 kw lamp in parallel; the 6 ballast modules can be respectively matched with 6 2 kilowatt lamps and can also be matched with 1 12 kilowatt lamp in a parallel connection mode to the maximum extent; the 9 ballast modules can be respectively matched with 9 2 kilowatt lamps and can also be matched with 18 kilowatt lamps in a parallel connection mode to the maximum extent; the 12 ballast modules can be respectively matched with 12 2 kilowatt lamps, and can also be matched with 24 kilowatt lamps to the maximum extent in a parallel connection mode.

Referring to fig. 3, when the intelligent electronic ballast can be maximally matched with 24 kw lamps, it is described that it can be connected with 1 18 kw lamp, or 2 12 kw lamps, or 2 9 kw lamps, or 4 6 kw lamps, or 6 4 kw lamps; referring to fig. 4, when the intelligent electronic ballast can be matched with 18 kw lamps to the maximum, it is described that it can be matched with 1 12 kw lamp, or matched with 2 9 kw lamps, or matched with 3 6 kw lamps, or matched with 4 kw lamps.

In one embodiment, the electrical control device includes, but is not limited to, one of a relay, a contactor, a switch, an opto-coupler, an IGBT, and a MOS switch tube. For example, when the relay is used, the contact switches are respectively arranged between the ballast module and the trigger, the coils corresponding to the contact switches are connected with the controller, and the controller controls the power-on state of the coils to remotely and simultaneously open and close the contact switches. The lamp is acted by a plurality of ballast modules collectively to realize the normal work of the lamp with larger power. The multiple low-power ballast modules can meet the requirement of matching a high-power lamp in a parallel and synchronous communication mode, and the phenomena of purchasing pressure of movie and television lighting equipment leasing companies on high-power lamp equipment and equipment overstock are thoroughly solved.

In one embodiment, the internal design mode of the electronic ballast is a plurality of modular designs, and one or more PFC and HID modules can be inserted and assembled to form the electronic ballast with different powers. The ballast module comprises a rectifier, a DC/DC converter and a DC/AC converter which are sequentially and electrically connected, wherein the input end of the rectifier is connected with external alternating current, and the output end of the DC/AC converter is connected with the trigger. The controller is provided with a Micro Control Unit (MCU), and the output power of the ballast module can be adjusted by the MCU.

Specifically, 220V alternating current is input to the front end of the ballast module, an output end communication line is connected with the controller, the power of each module is synchronized, the controller controls the relay to realize the parallel connection of the modules, the synchronous communication, the automatic identification of the model/type of the lamp inserted at the rear end, and the total output power of the ballast is synchronously distributed to one or more lamps at the rear end, so that the lamps can normally work. The controller inputs 12V direct current voltage, one path outputs 3.3V power supply through a U3 (three-terminal regulator) to supply a built-in micro control unit MCU, and the other path supplies power to a liquid crystal display screen on the control panel. The MCU is provided with a voltage output port and an input port and is in modular design, is attached to a PCB of the controller, and synchronously distributes and outputs the total output power of the ballast module to be applied to lamps with different power sections so as to enable the lamps to work normally, wherein P5 of the MCU is a communication interface and is used for sending and receiving signals to be butted through 11 pins and 12 pins of the MCU; a pin 1 of the MCU is used for fault indication, and if the communication connection fails, a Y lamp is turned on; the 9 feet of the MCU indicate normal work, the communication is successfully connected, and the G lamp is lightened; the P4 of the MCU is a 485 communication interface and corresponds to pins 3, 4 and 5 of the MCU, when the MCU sends data, the pin 3 of the MCU is at a high level, the data is sent out through TXD, when the MCU receives the data, the pin 3 of the MCU is at a low level, and the data is received back through RXD; the 10 pins of the MCU are controlled by corresponding switches; the 6 feet of the MCU correspond to the functional switching keys.

The utility model discloses an embodiment, the controller is equipped with control panel and communication module, control panel is equipped with status indicator lamp and display screen, and status indicator lamp includes start status indicator lamp, operating condition pilot lamp, stop state pilot lamp and fault status pilot lamp. After the electronic ballast is powered on, the lamp can enter an operation mode, and the state lamp on the control panel correspondingly displays the following states: starting state, working state, stopping state and fault state. The communication module is used for being in communication connection with a built-in cooling fan and a built-in temperature sensor of the external movie and television lamp.

The controller can perform dimming and frequency modulation operations on the ballast module, and can switch the two operations on the control panel, the dimming range is 50% -100%, the linear adjustment is continuous, and data can be displayed on the display screen in a visualized mode; the frequency modulation can be divided into linear frequency modulation and fixed point frequency modulation, the linear frequency modulation range is 50-1200 HZ, and the frequency modulation is continuously linear adjustable; the fixed point frequency modulation adopts a discontinuous mode, for example, the designated frequency point is set to be 100-. This embodiment has satisfied the requirement that intelligent control shot light: starting/running/stopping/fault indication, dimming/frequency modulation precision improvement and autonomous switching selection operation according to requirements.

The utility model discloses an in the embodiment, the movie & TV lamp is equipped with radiator fan and temperature sensor, radiator fan with temperature sensor all with controller communication connection. The speed regulation of radiator fan in the controller automatic control movie & TV lamp sets up three mode:

(1) automatic gear shifting: the temperature of the lamp is measured by the temperature sensor, the temperature sensor measures by using the temperature sensing resistor, if the temperature of a radiating plate on the lamp reaches 35 ℃, the radiating fan rotates to low speed to run, if the temperature reaches 50 ℃, the radiating fan runs at medium speed, and if the temperature reaches 70 ℃, the radiating fan runs at full speed;

(2) high-speed gear: a 12V radiating fan is adopted and 12V power supply is provided;

(3) a mute stage: the noise of the heat radiation fan is lower than 18 dB, but when the temperature of the lamp reaches 75 ℃, the speed is automatically adjusted.

In the above mode, when the temperature of the movie lamp rises to 85 ℃, the output is turned off, and the display screen on the controller displays the overtemperature. The embodiment realizes the speed regulation of the fan in the controller for automatically controlling the movie and television lamp so as to intelligently control the internal temperature.

In an embodiment of the present invention, when the intelligent electronic ballasts suitable for different video lamps are driven, the controller controls the ballast modules to synchronously output the trigger with a preset total output power; the trigger activates high-pressure gas in a lamp tube in the lamp; after the voltage of the lamp tube is stabilized, the controller adjusts the power of the plurality of ballast modules so as to match the working power of one or more lamps; according to the working power of the lamp, the controller performs synchronous frequency modulation and/or dimming operation on the ballast modules so that the lamp can work safely, and according to the internal temperature of the lamp, the controller controls the cooling fan to cool the lamp.

The controller can adjust the working frequency of the ballast module in a linear frequency modulation or fixed point frequency modulation mode. The controller can continuously dim the ballast module. The controller can increase the total output power of the ballast module by turning on the ballast module which is not working, and can reduce the total output power of the ballast module by turning off part of the ballast module. Different lamp interfaces can be controlled and designed to identify different bulb types, and lighting is intelligently controlled.

The utility model provides an intelligence electronic ballast suitable for different movie & TV lamps compares in traditional movie & TV ox, the ox of the same power, traditional movie & TV ox can only match the lamps and lanterns of the same power, and the utility model discloses a lamps and lanterns of the different power of MCU automatic identification of electronic ballast accessible controller, the total power output that utilizes synchronous communication's mode to pass through MCU control electronic ballast, in order to match a certain powerful lamps and lanterns, guarantee its function of normally lighting a lamp work, realized through the intelligent control that the multimode corresponds a movie & TV lamp, and realized different power lamps and lanterns, or the function of lighting a lamp in step of many lamps and lanterns, realize one-to-many intelligent control, reduce the overstock of the polytypic or high unit price lighting apparatus of equipment lease company, the fine cost pressure of having alleviated fixed asset. The intelligent controller is matched with an electronic ballast module to assemble a movie and television lamp, the internal plug-in type installation is adopted, the installation mode is simple and convenient, the labor cost is greatly reduced, the volume of the movie and television lamp (ballast) with the same power is 1/3 smaller than that of the traditional movie and television lamp, the carrying is convenient, and various defects that a manufacturer and a user have high production and installation cost are effectively overcome. The MCU control technology in the controller effectively improves the adjustment control precision of the light and frequency modulation of the movie and television lamp, intelligently performs the functions of temperature control, fault display and the like, effectively prolongs the service life of the lamp, saves energy and protects the environment, thereby better realizing the optimization of economic benefits and social benefits.

The above mentioned is only the preferred embodiment of the present invention, not the limitation of the patent scope, all the equivalent structures or equivalent processes that the contents of the specification and the drawings are utilized are directly or indirectly applied to other related technical fields, and all the same principles are included in the patent protection scope of the present invention.

Claims

1. An intelligent electronic ballast suitable for different video lamps is characterized by comprising a plurality of ballast modules, a plurality of first triggers, at least one second trigger and a controller, wherein the input end of each ballast module is connected with external alternating current, the first triggers correspond to the ballast modules one by one, the output ends of the ballast modules are connected with the input ends of the corresponding first triggers, the input ends of the second triggers are connected with the output ends of more than two ballast modules, each branch circuit, connected with the second triggers, of the ballast modules connected with the second triggers is provided with an electric control device, each electric control device has a synchronous on state or a synchronous off state under the control of the controller, the output ends of the first triggers and the second triggers are respectively used for being electrically connected with the external video lamps in one-to-one correspondence, and the controller is also used for adjusting the output power of the ballast modules, so that the total output power of the plurality of ballast modules connected with the second trigger is matched with the movie and television lamp connected with the second trigger.

2. The intelligent electronic ballast for different video lamps as recited in claim 1, wherein the output power limit of a single ballast module is M kw, the number of ballast modules connected to a single second trigger is n, and the ballast modules connected to the single second trigger can provide output power for video lamps rated at less than or equal to nxm kw.

3. The intelligent electronic ballast applicable to different video lamps in claim 1, wherein the limit of the output power of a single ballast module is M kilowatts, the number of the ballast modules is M, and the intelligent electronic ballast applicable to different video lamps can simultaneously provide the output power for M video lamps with rated power less than or equal to M kilowatts.

4. The intelligent electronic ballast for different video lamps as recited in claim 1, wherein the output power of each ballast module is the same.

5. The intelligent electronic ballast for different video lamps as recited in claim 4, wherein each ballast module has a plurality of output powers, and said controller is capable of switching the output powers of the respective ballast modules simultaneously.

6. The intelligent electronic ballast for different video lamps as recited in claim 5, wherein said controller is provided with a switch corresponding to the total output power of said plurality of ballast modules.

7. The intelligent electronic ballast for different video lamps as recited in claim 1, wherein said controller is capable of linearly adjusting the output power of each ballast module simultaneously.

8. The intelligent electronic ballast for different video lamps as claimed in claim 1, wherein the electric control device comprises one of a relay, a contactor, a switch, an optical coupler, an IGBT and a MOS switch tube.

9. The intelligent electronic ballast for different video lamps as claimed in claim 1, wherein the controller is further provided with a control panel, and the control panel is provided with a status indicator lamp and a display screen.

10. The intelligent electronic ballast for different video lamps as recited in claim 1, wherein said controller is provided with a communication module for communicating with an internal heat dissipation fan and an internal temperature sensor of said external video lamp.