CN209787535U - Driving circuit of lighting equipment and lighting system - Google Patents
Driving circuit of lighting equipment and lighting system Download PDFInfo
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- CN209787535U CN209787535U CN201920015379.1U CN201920015379U CN209787535U CN 209787535 U CN209787535 U CN 209787535U CN 201920015379 U CN201920015379 U CN 201920015379U CN 209787535 U CN209787535 U CN 209787535U
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Abstract
A drive circuit and lighting system of a lighting device; the drive circuit includes: a signal receiving module configured to receive a parameter signal of the programming device; the signal processing module is connected with the signal receiving module and is configured to convert the parameter signal into a PWM signal; a signal execution module connected with the signal processing module and configured to convert an alternating current input power into a direct current power, and modulate the direct current power according to the PWM signal so that the modulated direct current power matches a rated power of the lighting device; through the utility model provides an in the traditional art drive circuit can't be applicable to different types of lighting apparatus generally, compatible lower problem.
Description
Technical Field
The utility model belongs to the technical field of the illumination, especially, relate to a lighting apparatus's drive circuit and lighting system.
background
With the rapid development of modern industrial technology, lighting equipment becomes essential power equipment in daily life of people, and a light source is brought by the lighting equipment, so that great convenience is brought to the life of people; with different lighting requirements in different industrial fields, technicians design lighting equipment with different specifications and different functions according to actual needs, and the lighting equipment with different types can be suitable for different technical fields; therefore, different kinds of lighting apparatuses can be widely used in various industrial fields, and the practical value of the lighting apparatus is higher.
however, since the conventional technology requires a driving power supply to be provided to the illumination apparatus through the driving circuit, the illumination apparatus is made to perform a function of emitting light by the driving power supply; however, since different kinds of lighting devices have different requirements for stable input power, for example, the operating voltage of an automotive lighting lamp is usually stable at 12V, while the operating voltage of a mobile phone lighting lamp is usually stable at 36V, and the difference between the operating voltages is large; the driving circuit in the conventional technology can only generate a driving power supply with a specific power, and cannot be universally applied to different types of lighting equipment, and the compatibility is low, so that each type of lighting equipment in the conventional technology can only adopt a specific driving circuit, and the manufacturing cost of the lighting equipment is greatly increased; furthermore, the lighting device in the conventional technology causes the problems of inconvenient management, high inventory pressure, difficult after-sale service and the like for manufacturers, sellers, after-sale service and other links in a supply chain.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lighting apparatus's drive circuit and lighting system aims at solving in the conventional art drive circuit and can only use in specific kind of lighting apparatus, and compatibility is relatively poor, and lighting apparatus's cost of manufacture is higher with the application cost, unable generally applicable problem.
The utility model discloses a first aspect provides a lighting device's drive circuit, with external programming equipment communication, drive circuit includes:
a signal receiving module configured to receive a parameter signal of the programming device;
The signal processing module is connected with the signal receiving module and is configured to convert the parameter signal into a PWM signal; and
a signal execution module connected with the signal processing module and configured to convert an alternating current input power into a direct current power, and modulate the direct current power according to the PWM signal so that the modulated direct current power matches a rated power of the lighting device;
Wherein the signal processing module comprises:
the data comparison unit is connected with the signal receiving module and is configured to compare and amplify the parameter signal and the reference data signal to obtain a digital control signal;
The PWM signal generating unit is connected with the data comparing unit and the signal executing module and is configured to convert the digital control signal into the PWM signal; and
and the signal feedback unit is connected between the data comparison unit and the signal receiving module and is configured to generate a feedback signal according to the comparison result of the parameter signal and the reference data signal and adjust the internal data of the parameter signal according to the feedback signal.
in one embodiment, the reference data signal is a signal pre-stored inside the data comparison unit, or the reference data signal is generated by a reference source.
in one embodiment, the signal processing module further comprises:
and the signal amplification unit is connected between the signal receiving module and the data comparison unit and is configured to amplify the parameter signal.
in one embodiment, the signal processing module further comprises:
And the A/D conversion unit is connected between the signal receiving module and the data comparison unit and is configured to convert the parameter signal from an analog signal into a digital signal.
in one embodiment, the signal processing module further comprises:
and the RC filtering unit is connected between the PWM signal generating unit and the signal execution module and is configured to perform RC filtering on the PWM signal.
in one embodiment, in the signal execution module, the modulated dc power supply and the rated power supply of the lighting device satisfy the following condition:
I1＝I2；
V1＝V2；
in the above formula, I1 is the modulated dc current, I2 is the rated current of the lighting device, V1 is the modulated dc voltage, and V2 is the rated voltage of the lighting device.
In one embodiment, the programming device is a handset supporting NFC programming.
In one embodiment, the ac input power is mains power.
In one embodiment, the lighting device is an incandescent lamp, a tungsten halogen lamp, a fluorescent lamp, a low pressure sodium lamp, or an induction lamp
A second aspect of the present invention provides an illumination system, comprising:
a programming device;
A lighting device; and
The driving circuit of the lighting device as described above;
the lighting device is communicated with the programming device through the driving circuit, the programming device generates a parameter signal, and the input power supply of the lighting device is adjusted through the parameter signal, so that the lighting device is in a rated working state.
The driving circuit of the lighting equipment is in communication connection with the programming equipment to realize data interaction, the programming equipment transmits a parameter signal to the signal receiving module, wherein the parameter signal comprises light source control data of the lighting equipment, when the signal processing module converts the parameter signal into a PWM signal, a direct current power supply input by the lighting equipment can be changed through the PWM signal to match parameter requirements of different types of lighting equipment, and the lighting equipment can be in a stable and safe working state through the direct current power supply; therefore, the driving circuit in the embodiment of the present invention can directly change the input power of the lighting device according to the parameter signal, so that the driving circuit can be applied to different types of lighting devices, the compatibility is very strong, the use of the lighting device is more convenient, the light source of the lighting device is correspondingly adjusted according to the actual needs of the user, and good use experience is brought to the user; the problem that in the prior art, a driving circuit cannot be universally applied to different types of lighting equipment and the compatibility is low is effectively solved.
Drawings
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
fig. 1 is a block diagram of a driving circuit of a lighting device according to an embodiment of the present invention;
Fig. 2 is a block diagram of a driving circuit of another lighting device according to an embodiment of the present invention;
Fig. 3 is a block diagram of a driving circuit of another lighting device according to an embodiment of the present invention;
fig. 4 is a block diagram of a driving circuit of another lighting device according to an embodiment of the present invention;
Fig. 5 is a block diagram of a driving circuit of another lighting device according to an embodiment of the present invention;
Fig. 6 is a block diagram of a lighting system according to an embodiment of the present invention.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 shows a module structure of a driving circuit 10 of a lighting device provided in an embodiment of the present invention, as shown in fig. 1, the driving circuit 10 communicates with an external programming device 20, so that wireless data interaction can be implemented between the driving circuit 10 and the programming device 20, and a signal is output to the driving circuit 10 through the programming device 20 to change an operating state of the driving circuit 10. The controllable performance of the driving circuit 10 in the embodiment of the present invention is improved; for convenience of explanation, only the parts related to the embodiments of the present invention are shown, and detailed as follows:
The drive circuit 10 includes: the driving circuit 10 can receive circuit control data with large capacity through the signal receiving module 101 to realize a data interaction process of the driving circuit 10, and the driving circuit 10 has higher controllability and improves the quality of signal communication between the driving circuit 10 and the programming device 20.
the signal processing module 102 is connected to the signal receiving module 101, and the signal processing module 102 converts the parameter signal into a PWM (Pulse Width Modulation) signal; when the signal receiving module 101 transmits the parameter signal to the signal processing module 102, the signal processing module 102 has a function of converting a signal function, and the PWM signal generated by the signal processing module 102 has a corresponding frequency and amplitude, and the PWM signal can realize a corresponding circuit function; and when the frequency and amplitude of the PWM signal are changed, the driving circuit 10 can change the operating state of the lighting device according to the PWM signal, so the embodiment of the present invention greatly improves the control response speed of the driving circuit through the signal processing module 102.
The signal execution module 103 is connected with the signal processing module 102, the signal execution module 103 converts an alternating current input power supply into a direct current power supply, and modulates the direct current power supply according to the PWM signal so that the modulated direct current power supply matches a rated power supply of the lighting equipment; the signal execution module 103 is directly electrically connected with the lighting device, because the alternating current input power supply contains alternating current power, the signal execution module 103 can realize an alternating current-direct current conversion function, and the direct current power output by the signal execution module 103 can meet the input power demand of the lighting device; further, the signal execution module 103 performs PWM modulation on the dc power supply, so that the lighting device can access stable dc power in real time, and the lighting device is in a stable working state by the stable dc power, thereby ensuring stable operation of the lighting device.
As a preferred embodiment, the modulated dc power source matches a rated power source of the lighting device, specifically:
The operating parameters of the modulated direct current power supply are completely equal to the operating parameters of a rated power supply of the lighting equipment; wherein the operating parameters include, but are not limited to: voltage, current, and frequency.
As an optional implementation, the signal processing module 102 includes: a data comparison unit 1021, a PWM signal generation unit 1022, and a signal feedback unit 1023.
The data comparison unit 1021 is connected with the signal receiving module 101, and the data comparison unit 1021 compares and amplifies the parameter signal and the reference data signal to obtain a digital control signal.
In this embodiment, the data comparing unit 1021 has a data comparing function, and the data comparing unit 1021 can determine whether the internal data of the parameter signal is at a normal amplitude according to the difference degree between the reference data signal and the parameter signal; the data comparing unit 1021 generates a digital control signal according to the comparison result, amplifies the digital control signal, and outputs the amplified digital control signal to the PWM signal generating unit 1022 to drive the PWM signal generating unit 1022 to realize a signal conversion function; therefore, the present embodiment can monitor the internal data variation of the parameter signal in real time through the data comparing unit 1021, so that the driving circuit 10 can adjust the lighting state of the lighting device according to the data in the parameter signal, thereby improving the safety and stability of the lighting device.
The PWM signal generating unit 1022 is connected to the data comparing unit 1021 and the signal executing module 103, and the PWM signal generating unit 1022 converts the digital control signal into a PWM signal.
The PWM signal generation unit 1022 has a function of pulse width adjustment for a digital control signal, and the internal parameters of the PWM signal can be changed in real time by the PWM signal generation unit 1022; therefore, the PWM signal generating unit 1022 in this embodiment has a fast signal conversion rate, and the PWM signal can change the input power of the lighting device in real time, thereby enhancing the control response speed of the driving circuit 10 for the lighting device and avoiding the control error of the driving circuit 10.
The signal feedback unit 1023 is connected between the data comparison unit 1021 and the signal receiving module 101, and the signal feedback unit 1023 generates a feedback signal according to the comparison result of the parameter signal and the reference data signal and adjusts the internal data of the parameter signal according to the feedback signal.
in combination with the above, the data comparing unit 1021 can obtain the difference amplitude between the parameter signal and the reference data signal, and then the data comparing unit 1021 generates the comparison result of the parameter signal and the reference data signal, where the comparison result includes the deviation information of the internal data in the parameter signal; the signal feedback unit 1023 feeds the comparison result back to the signal receiving module 101, and adjusts internal data of the parameter signal according to the comparison result, so that the parameter signal can have a better circuit control function for the signal processing module 102 and the signal execution module 103, the dynamic feedback performance of the driving circuit 10 is improved through the signal feedback unit 501, the control flexibility and the control stability of the driving circuit 10 for the lighting device are guaranteed, and the input electric energy in the lighting device can always meet the rated power requirement.
In the embodiment of the present invention, the driving circuit 10 can perform wireless data interaction with the programming device 20, the operating state of the driving circuit 10 can be controlled by the programming device 20, and the signal executing module 103 can change the parameters of the dc power supply, so that the dc power supply can completely match the rated power supply requirement of the lighting device, and the circuit module has a simple structure and is easy to implement; when the driving circuit 10 in this embodiment is applied to different types of lighting devices, the driving circuit 10 can always output a stable dc power to the lighting device 20 to keep the lighting device 20 safely operating, the driving circuit 10 in this embodiment has a very wide application range, is highly controllable, and is safe and reliable, thereby effectively solving the problems that the driving circuit in the conventional technology cannot be applied to different types of lighting devices, the compatibility is very poor, and the practical value is low.
As an alternative embodiment, the reference data signal is a signal pre-stored inside the data comparing unit 1021, and is used to detect whether the parameter signal is in a normal operating state.
as an alternative implementation, the reference data signal is generated by an external reference source, where the reference source may be implemented by a reference source generating circuit in the conventional technology, and the reference source generating circuit may adjust its signal generating state in real time according to an operating parameter of the lighting device to generate a reference data signal matched with the operating state of the lighting device, where the reference data signal is used to regulate and control the circuit control performance of the driving circuit 10, and the input power of the lighting device may be adaptively adjusted by a corresponding PWM signal to ensure the control stability and safety of the driving circuit 10 for the lighting device, and further, the driving circuit 10 in this embodiment has higher adaptive control performance.
As an alternative embodiment, the lighting device comprises at least one LED (Light Emitting Diode) lamp; when the LED lamp is connected with rated direct current electric energy, the LED lamp can be driven by the direct current electric energy to realize a normal light emitting function.
As an alternative implementation, fig. 3 shows a module structure of another driving circuit 10 provided in this embodiment, and compared with the module structure of the driving circuit 10 in fig. 2, the signal processing module 102 in fig. 3 includes: a signal amplification unit 201; wherein:
The signal amplification unit 201 is connected between the signal receiving module 101 and the data comparison unit 1021, and the signal amplification unit 201 performs signal amplification on the parameter signal.
in this embodiment, the signal amplification unit 201 amplifies the signal, so that the power of the parameter signal can be increased, thereby ensuring the data security of the parameter signal in the transmission process, improving the control accuracy of the driving circuit 10, and avoiding the signal distortion; when the data comparing unit 1021 receives the amplified parameter signal, the data comparing function is realized, further, the PWM signal generating unit 202 realizes the corresponding signal converting function, the driving circuit 10 can more accurately adjust the input power of the lighting device according to the PWM signal, the working safety of the lighting device is ensured, the control performance and the response speed of the driving circuit 10 for the lighting device are improved, and the signal has faster transmission efficiency.
As an alternative implementation, fig. 4 shows a module structure of another driving circuit 10 provided in this embodiment, and compared with the module structure of the driving circuit 10 in fig. 2, the signal processing module 102 in fig. 4 further includes: an a/D conversion unit 301; wherein:
The a/D conversion unit 301 is connected between the signal receiving module 101 and the data comparing unit 1021, and the a/D conversion unit 301 converts the parameter signal from an analog signal to a digital signal.
In this embodiment, the parameter signal output by the programming device 20 is an analog signal, in order to better obtain the internal data of the parameter signal, the a/D conversion unit 301 can implement analog-to-digital conversion, and further the parameter signal output by the a/D conversion unit 301 is a digital signal, the data comparison unit 1021 and the PWM signal generation unit 302 implement data comparison and signal function conversion according to the internal data in the parameter signal, so that the driving circuit 10 can change the input electric energy of the lighting device in real time, and meet the rated power supply requirement of the lighting device; therefore, the present embodiment ensures stable operation of the driving circuit 10 through the a/D conversion unit 301, and the compatibility of the driving circuit 10 is higher.
As an alternative implementation, fig. 5 shows a module structure of another driving circuit 10 provided in this embodiment, and compared with the module structure of the driving circuit 10 in fig. 2, the signal processing module 102 in fig. 5 further includes: an RC filtering unit 601, wherein:
The RC filtering unit 601 is between the PWM signal generating unit 1022 and the signal executing module 103, and the RC filtering unit 601 performs RC filtering on the PWM signal.
in this embodiment, the RC filtering unit 601 can perform signal filtering on the signal, and when the PWM signal generating unit 1022 outputs the PWM signal to the RC filtering unit 601, the RC filtering unit 601 can filter the noise component in the PWM signal to improve the quality of the PWM signal; the signal execution module 103 can adjust the direct current power supply input by the lighting equipment in time according to the filtered PWM signal, so that the lighting equipment can always maintain a stable working state; therefore, the control stability and the control accuracy of the driving circuit 10 are improved by the RC filtering unit 601 in the present embodiment, so that the driving circuit 10 is widely applicable to different types of lighting devices, and the practical value is very high.
In a preferred embodiment, in the signal execution module 103, the modulated dc power supply and the rated power supply of the lighting device satisfy the following conditions:
I1＝I2 (1)；
V1＝V2 (2)；
in the above formulas (1) and (2), I1 is the modulated dc current, I2 is the rated current of the lighting device, V1 is the modulated dc voltage, and V2 is the rated voltage of the lighting device.
In this embodiment, when the parameters of the modulated dc power supply and the parameters of the rated power supply of the lighting device satisfy the above equations (1) and (2), it indicates that the signal execution module 102 can modulate the dc power supply, so that the modulated dc power supply can completely meet the rated power requirement of the lighting device, and the lighting device can be completely in a stable operating state by the modulated dc power; therefore, the operation safety of the lighting device is completely guaranteed through the driving circuit 10, the control accuracy of the driving circuit 10 is enhanced, and the driving circuit 10 has higher flexibility for the modulation process of the direct current power supply according to the PWM signal.
as a preferred embodiment, the programming device is a mobile phone supporting NFC programming. The writing and reading of data can be achieved through NFC programming, the mobile phone through the NFC programming generates a parameter signal, and the direct current power of the lighting device can be changed through the parameter signal.
In a preferred embodiment, the ac input power is mains power; the signal execution module 103 can convert the commercial power into the dc power meeting the working requirement of the lighting device, which is helpful for providing the universality of the driving circuit 10 in this embodiment, and further, the driving circuit 10 can be applied to different industrial fields.
as an alternative embodiment, the lighting device is an incandescent lamp, a tungsten halogen lamp, a fluorescent lamp, a low pressure sodium lamp, or an induction lamp; the driving circuit 10 is applicable to different types of lighting devices, has extremely strong compatibility, enables the lighting devices to be connected with safe and stable electric energy, and can be always in a rated working state to emit corresponding light sources; the user can control the light emitting state of various types of lighting equipment in real time through the driving circuit 10, great convenience is brought to the user, the driving circuit 10 has high control efficiency, and the physical safety of the lighting equipment is guaranteed.
It should be noted that, in the above embodiments, the signal receiving module 101, the signal executing module 103, the data comparing unit 1021, the PWM signal generating unit 1022, the signal feedback unit 1023, the signal amplifying unit 201, the a/D converting unit 301, and the RC filtering unit 601 may all be implemented by using a circuit structure in the conventional technology, which is not limited herein; illustratively, the signal amplifying unit 201 may be implemented by a signal amplifying circuit in the conventional technology, where the signal amplifying circuit includes electronic components such as a resistor, a capacitor, and an operational amplifier, and a parameter signal amplifying function can be implemented by the operational amplifier, so that the driving circuit 10 can implement a more accurate control function of the lighting device by the parameter signal, and the signal amplifying unit 201 has a simplified circuit structure, so that the driving circuit 10 has a lower manufacturing cost and an application cost, and has a very strong compatibility.
Fig. 6 shows a module structure of the lighting system 70 provided by the present embodiment, and as shown in fig. 6, the lighting device 70 includes: a programming device 701, a lighting device 702 and a driving circuit 10 of a lighting device as described above.
Wherein the lighting device 702 communicates with the programming device 701 through the driving circuit 10, the programming device 701 generates a parameter signal D1, and adjusts the input power of the lighting device 702 through the parameter signal D1, so that the lighting device D1 is in a rated operation state.
referring to the above embodiments of fig. 1 to 5, the operating state of the driving circuit 10 can be directly controlled by the parameter signal D1 in the programming device 701, and after the driving circuit 10 performs signal conversion on the parameter signal D1, the driving circuit 10 can directly control the input power of the lighting device 702, so that the actual input power of the lighting device 702 is completely matched with the rated power of the lighting device 702, and the lighting device 702 can access stable electric energy to maintain a normal and stable light emitting state, thereby bringing good visual experience to people; the lighting system 70 in this embodiment accurately converts the external power into an input power meeting the rated requirements of the lighting device 702, so as to ensure the working safety of the lighting device 702; therefore, the lighting system 70 in this embodiment has extremely high flexibility and compatibility, and can be widely applied to different industrial fields; the problem of lighting system compatibility relatively poor among the traditional art, be difficult to generally be suitable for is solved.
To sum up, the driving circuit of the lighting device in the utility model can ensure that the lighting device can always access stable direct current electric energy, thereby improving the safety and reliability of the lighting device and reducing the manufacturing cost and application cost of the driving circuit; and then the utility model provides a drive circuit has high compatibility, can be applicable to among the different types of lighting apparatus, consequently drive circuit has very important meaning to the development of lighting apparatus drive technique in this field.
various embodiments are described herein for various devices, circuits, apparatuses, systems, and/or methods. Numerous specific details are set forth in order to provide a thorough understanding of the overall structure, function, manufacture, and use of the embodiments as described in the specification and illustrated in the accompanying drawings. However, it will be understood by those skilled in the art that the embodiments may be practiced without such specific details. In other instances, well-known operations, components and elements have been described in detail so as not to obscure the embodiments in the description. It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.
Reference throughout the specification to "various embodiments," "in an embodiment," "one embodiment," or "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in various embodiments," "in some embodiments," "in one embodiment," or "in an embodiment," or the like, in places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Thus, a particular feature, structure, or characteristic illustrated or described in connection with one embodiment may be combined, in whole or in part, with features, structures, or characteristics of one or more other embodiments without presuming that such combination is not an illogical or functional limitation. Any directional references (e.g., plus, minus, upper, lower, upward, downward, left, right, leftward, rightward, top, bottom, above …, below …, vertical, horizontal, clockwise, and counterclockwise) are used for identification purposes to aid the reader's understanding of the present disclosure, and do not create limitations, particularly as to the position, orientation, or use of the embodiments.
Although certain embodiments have been described above with a certain degree of particularity, those skilled in the art could make numerous alterations to the disclosed embodiments without departing from the scope of this disclosure. Joinder references (e.g., attached, coupled, connected, and the like) are to be construed broadly and may include intermediate members between a connection of elements and relative movement between elements. Thus, connection references do not necessarily imply that two elements are directly connected/coupled and in a fixed relationship to each other. The use of "for example" throughout this specification should be interpreted broadly and used to provide non-limiting examples of embodiments of the disclosure, and the disclosure is not limited to such examples. It is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative only and not limiting. Changes in detail or structure may be made without departing from the disclosure.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A driving circuit for a lighting device, in communication with an external programming device, the driving circuit comprising:
a signal receiving module configured to receive a parameter signal of the programming device;
The signal processing module is connected with the signal receiving module and is configured to convert the parameter signal into a PWM signal; and
A signal execution module connected with the signal processing module and configured to convert an alternating current input power into a direct current power, and modulate the direct current power according to the PWM signal so that the modulated direct current power matches a rated power of the lighting device;
wherein the signal processing module comprises:
The data comparison unit is connected with the signal receiving module and is configured to compare and amplify the parameter signal and the reference data signal to obtain a digital control signal;
The PWM signal generating unit is connected with the data comparing unit and the signal executing module and is configured to convert the digital control signal into the PWM signal; and
And the signal feedback unit is connected between the data comparison unit and the signal receiving module and is configured to generate a feedback signal according to the comparison result of the parameter signal and the reference data signal and adjust the internal data of the parameter signal according to the feedback signal.
2. The driving circuit according to claim 1, wherein the reference data signal is a signal pre-stored inside the data comparing unit, or the reference data signal is generated by a reference source.
3. The driving circuit of claim 1, wherein the signal processing module further comprises:
And the signal amplification unit is connected between the signal receiving module and the data comparison unit and is configured to amplify the parameter signal.
4. The driving circuit of claim 1, wherein the signal processing module further comprises:
And the A/D conversion unit is connected between the signal receiving module and the data comparison unit and is configured to convert the parameter signal from an analog signal into a digital signal.
5. the driving circuit of claim 1, wherein the signal processing module further comprises:
and the RC filtering unit is connected between the PWM signal generating unit and the signal execution module and is configured to perform RC filtering on the PWM signal.
6. The driving circuit according to claim 1, wherein in the signal execution module, the modulated dc power supply and a rated power supply of the lighting device satisfy the following condition:
I1＝I2；
V1＝V2；
in the above formula, I1 is the modulated dc current, I2 is the rated current of the lighting device, V1 is the modulated dc voltage, and V2 is the rated voltage of the lighting device.
7. The driving circuit of claim 1, wherein the programming device is a cell phone supporting NFC programming.
8. the driving circuit of claim 1, wherein the ac input power is mains power.
9. the driving circuit of claim 1, wherein the lighting device is an incandescent lamp, a tungsten halogen lamp, a fluorescent lamp, a low pressure sodium lamp, or an induction lamp.
10. An illumination system, comprising:
A programming device;
a lighting device; and
A drive circuit of the lighting device according to any one of claims 1-9;
The lighting device is communicated with the programming device through the driving circuit, the programming device generates a parameter signal, and the input power supply of the lighting device is adjusted through the parameter signal, so that the lighting device is in a rated working state.
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| CN201920015379.1U CN209787535U (en) | 2019-01-04 | 2019-01-04 | Driving circuit of lighting equipment and lighting system |
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| CN109640491A (en) * | 2019-01-04 | 2019-04-16 | 厦门赢科光电有限公司 | The driving circuit and lighting system of lighting apparatus |
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| CN109640491A (en) * | 2019-01-04 | 2019-04-16 | 厦门赢科光电有限公司 | The driving circuit and lighting system of lighting apparatus |
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