CN117311204A - System and method for realizing low-voltage direct-current input wireless intelligent lamp distribution network - Google Patents

System and method for realizing low-voltage direct-current input wireless intelligent lamp distribution network Download PDF

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Publication number
CN117311204A
CN117311204A CN202210709429.2A CN202210709429A CN117311204A CN 117311204 A CN117311204 A CN 117311204A CN 202210709429 A CN202210709429 A CN 202210709429A CN 117311204 A CN117311204 A CN 117311204A
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China
Prior art keywords
voltage
condition
low
power supply
control circuit
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CN202210709429.2A
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Inventor
罗茂峰
高松
宋彩华
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Simon Electric China Co Ltd
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Simon Electric China Co Ltd
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Priority to CN202210709429.2A priority Critical patent/CN117311204A/en
Publication of CN117311204A publication Critical patent/CN117311204A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24215—Scada supervisory control and data acquisition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

The invention relates to a system for realizing low-voltage direct-current input wireless intelligent lamp distribution network, which comprises a direct-current power supply module, a low-voltage direct-current lamp and an AC switch, wherein the input end of the direct-current power supply module is connected with the AC switch, the input end of the low-voltage direct-current lamp is connected with the output end of the direct-current power supply module, the direct-current power supply module comprises an AC detection circuit and a DC output voltage control circuit, the input end of the AC detection circuit is connected with the AC switch and is used for detecting the on-off condition of the AC voltage input to the direct-current power supply module and controlling the on-off condition or the high-low condition of the output DC voltage according to the on-off condition of the AC voltage. The invention also relates to a method for realizing the low-voltage direct current input wireless intelligent lamp distribution network. The system and the method for realizing the low-voltage direct-current input wireless intelligent lamp network distribution and disconnection are adopted, and one or more low-voltage direct-current lamps powered by a direct-current power supply are distributed and disconnected through a specific sequence of fast on-off mains supply AC switches.

Description

System and method for realizing low-voltage direct-current input wireless intelligent lamp distribution network
Technical Field
The invention relates to the field of Internet of things, in particular to the field of wireless intelligent lamps, and specifically relates to a system and a method for realizing low-voltage direct-current input wireless intelligent lamp distribution and disconnection.
Background
Wireless intelligent luminaires often require reliable distribution or de-distribution mechanisms when in use.
There are currently a series of low voltage DC input lamps, and typically a single DC constant voltage output power supply can power several such lamps.
When the wireless intelligent lamp inputs direct current low voltage, the operation keys on the lamp are needed for distribution network and disconnection network, or direct current is directly switched on and off, and usually the operations become very difficult due to inconvenient installation positions of the lamp and the power supply. If the power is directly passed through the AC end of the switching power supply, the control circuit in the lamp is difficult to quickly detect relevant switching information due to the fact that the internal capacitance of the power supply is overlarge, and the like, so that the distribution network becomes very difficult to operate.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a system and a method for realizing low-voltage direct current input wireless intelligent lamp distribution network, which have the advantages of good safety, simple and convenient operation and wider application range.
In order to achieve the above purpose, the system for realizing the low-voltage direct current input wireless intelligent lamp distribution network and the method thereof are as follows:
the system for realizing the low-voltage direct current input wireless intelligent lamp distribution network is mainly characterized by comprising a direct current power supply module, a low-voltage direct current lamp and an AC switch, wherein the input end of the direct current power supply module is connected with the AC switch, the input end of the low-voltage direct current lamp is connected with the output end of the direct current power supply module, the direct current power supply module comprises an AC detection circuit and a DC output voltage control circuit, the input end of the AC detection circuit is connected with the AC switch and used for detecting the on-off condition of the AC voltage input to the direct current power supply module, the input end of the DC output voltage control circuit is connected with the output end of the AC detection circuit, and the output end of the DC output voltage control circuit is connected with the low-voltage direct current lamp and used for controlling the on-off condition or the on-off condition of the output DC voltage according to the on-off condition of the AC voltage.
Preferably, the DC output voltage control circuit includes a voltage adjusting circuit structure and a power IC control circuit structure, the voltage adjusting circuit structure is connected with the low-voltage direct current lamp, the power IC control circuit structure is connected with the AC switch, the voltage adjusting circuit structure is used for adjusting the output voltage through a voltage feedback mechanism, and the power IC control circuit structure is used for enabling or shutting off the power IC.
Preferably, the low-voltage direct current lamp comprises an MCU unit connected with the output end of the DC output voltage control circuit and used for detecting the change of the input voltage and judging whether the change of the high-low condition or the on-off condition of the power supply voltage of a specific sequence meets the preset conditions of the distribution network or not, and if so, the corresponding distribution network operation is executed.
Preferably, the AC detection circuit detects on-off conditions of AC voltage input to the dc power supply module, specifically: the AC detection circuit distinguishes between a power-off condition of the AC voltage and a normal AC variation period.
Preferably, the DC output voltage control circuit detects the on-off condition or the on-off condition of the DC voltage of the control output after the AC voltage is turned on or off, and specifically:
after the DC output voltage control circuit detects that the AC voltage is disconnected, the power supply IC is turned off, the output voltage is reduced, or the output voltage is cut off through a relay or a switching tube; and the DC output voltage control circuit restores normal output voltage after detecting that the AC voltage is restored.
Preferably, the DC power supply module further includes a discharging load connected to the DC output voltage control circuit, for being turned off during normal operation and turned on during inspection of the AC switch-off operation.
Preferably, the dc power supply module is composed of a primary capacitor and a secondary capacitor, and the capacitance value of the primary capacitor is greater than that of the secondary capacitor.
Preferably, the predetermined condition of the network configuration and disconnection is that five continuous switching actions are detected as starting the network configuration and ten continuous switching actions as network disconnection.
The method for realizing the low-voltage direct-current input wireless intelligent lamp distribution network by utilizing the system is mainly characterized by comprising the following steps of:
(1) Detecting the on-off condition of the input AC voltage, and distinguishing the power-off condition of the AC voltage from a normal AC variation period;
(2) The on-off condition or the high-low condition of the output DC voltage is controlled according to the on-off condition of the AC voltage;
(3) Detecting the change of the input voltage, judging whether the change of the high-low condition or the on-off condition of the power supply voltage of the specific sequence meets the preset condition of the distribution network, and executing corresponding distribution network operation if the change of the high-low condition or the on-off condition of the power supply voltage of the specific sequence meets the preset condition of the distribution network.
Preferably, the step (2) specifically includes:
the DC output voltage control circuit turns off the power IC after detecting that the AC voltage is disconnected;
or, after the DC output voltage control circuit detects that the AC voltage is disconnected, the output voltage is reduced;
or, after the DC output voltage control circuit detects that the AC voltage is disconnected, the output voltage is cut off through a relay or a switching tube;
or, the DC output voltage control circuit resumes the normal output voltage after detecting that the AC voltage is recovered.
The system and the method for realizing the low-voltage direct-current input wireless intelligent lamp network distribution and disconnection can be used for distributing and disconnecting one or more low-voltage direct-current lamps powered by a direct-current power supply through the special sequence of fast on-off mains supply AC switches, and can be used for starting the intelligent lamp network distribution and disconnection through fast switching of the AC input end of the low-voltage lamp power supply.
Drawings
Fig. 1 is a schematic structural diagram of a system for implementing a low-voltage dc input wireless intelligent lamp distribution network according to the present invention.
Detailed Description
In order to more clearly describe the technical contents of the present invention, a further description will be made below in connection with specific embodiments.
The system for realizing the low-voltage direct current input wireless intelligent lamp distribution network comprises a direct current power supply module, a low-voltage direct current lamp and an AC switch, wherein the input end of the direct current power supply module is connected with the AC switch, the input end of the low-voltage direct current lamp is connected with the output end of the direct current power supply module, the direct current power supply module comprises an AC detection circuit and a DC output voltage control circuit, the input end of the AC detection circuit is connected with the AC switch and is used for detecting the on-off condition of the AC voltage input to the direct current power supply module, the input end of the DC output voltage control circuit is connected with the output end of the AC detection circuit, and the output end of the DC output voltage control circuit is connected with the low-voltage direct current lamp and is used for controlling the on-off condition or the output DC voltage according to the on-off condition of the AC voltage.
As a preferred embodiment of the present invention, the DC output voltage control circuit includes a voltage adjusting circuit structure and a power IC control circuit structure, the voltage adjusting circuit structure is connected with the low voltage DC lamp, the power IC control circuit structure is connected with the AC switch, the voltage adjusting circuit structure is used for adjusting the output voltage through a voltage feedback mechanism, and the power IC control circuit structure is used for enabling or disabling the power IC.
As a preferred embodiment of the invention, the low-voltage direct current lamp comprises an MCU unit which is connected with the output end of the DC output voltage control circuit and is used for detecting the change of the input voltage and judging whether the change of the power supply voltage in a specific sequence or the on-off condition accords with the preset condition of the distribution network or not, and if so, the corresponding distribution network operation is executed.
As a preferred embodiment of the present invention, the AC detection circuit detects on-off of an AC voltage input to the dc power supply module, specifically: the AC detection circuit distinguishes between a power-off condition of the AC voltage and a normal AC variation period.
As a preferred embodiment of the present invention, the DC output voltage control circuit detects the on-off condition or the high-low condition of the DC voltage which is controlled to be output after the AC voltage is turned on or off, specifically:
after the DC output voltage control circuit detects that the AC voltage is disconnected, the power supply IC is turned off, the output voltage is reduced, or the output voltage is cut off through a relay or a switching tube; and the DC output voltage control circuit restores normal output voltage after detecting that the AC voltage is restored.
As a preferred embodiment of the present invention, the DC power supply module further includes a discharge load connected to the DC output voltage control circuit for being turned off during normal operation and turned on during inspection of the off AC switch operation.
As a preferred embodiment of the present invention, the dc power supply module is composed of a primary capacitor and a secondary capacitor, and the capacitance value of the primary capacitor is greater than that of the secondary capacitor.
As a preferred embodiment of the present invention, the predetermined condition of the network configuration and disconnection is that five continuous switching actions are detected as the network configuration start, and ten continuous switching actions are detected as the network disconnection.
The method for realizing the low-voltage direct-current input wireless intelligent lamp distribution network by utilizing the system comprises the following steps:
(1) Detecting the on-off condition of the input AC voltage, and distinguishing the power-off condition of the AC voltage from a normal AC variation period;
(2) The on-off condition or the high-low condition of the output DC voltage is controlled according to the on-off condition of the AC voltage;
(3) Detecting the change of the input voltage, judging whether the change of the high-low condition or the on-off condition of the power supply voltage of the specific sequence meets the preset condition of the distribution network, and executing corresponding distribution network operation if the change of the high-low condition or the on-off condition of the power supply voltage of the specific sequence meets the preset condition of the distribution network.
As a preferred embodiment of the present invention, the step (2) specifically includes:
the DC output voltage control circuit turns off the power IC after detecting that the AC voltage is disconnected;
or, after the DC output voltage control circuit detects that the AC voltage is disconnected, the output voltage is reduced;
or, after the DC output voltage control circuit detects that the AC voltage is disconnected, the output voltage is cut off through a relay or a switching tube;
or, the DC output voltage control circuit resumes the normal output voltage after detecting that the AC voltage is recovered.
In the specific implementation mode of the invention, the network distribution can be realized by rapidly switching on and off the commercial power AC switch in a specific sequence to one or more low-voltage direct-current lamps powered by a direct-current power supply. The implementation method comprises the steps that a power end AC input on-off detection circuit and a DC output voltage control circuit detect the control operation of the DC output voltage after the AC is turned on and off; and an MCU (micro control Unit) distribution and disconnection mechanism at the low-voltage lamp end.
The AC detection circuit at the power supply end is a circuit which can rapidly detect the on-off condition of input AC of the power supply in the direct current power supply, and can distinguish the normal AC change period and the power-off condition.
The DC output voltage control circuit is a circuit capable of controlling the level or on-off of the output DC voltage in a power supply for supplying power to a direct current lamp.
The DC output voltage control circuit comprises a regulating circuit for regulating the output voltage through a voltage feedback mechanism; or circuits for enabling and shutting off the operation of the power IC. The on-off circuit comprises a relay, a switching tube and other circuits capable of directly switching on or off output. The power supply IC refers to an integrated circuit or a chip that is commonly used in a power supply and controls the operation of the power supply.
The control operation of the DC output voltage after the AC on-off is detected refers to the operation of controlling the output voltage or on-off after the AC input is detected to be disconnected in a power supply for supplying power to the direct current lamp. The method comprises the steps of turning off a main power supply IC after detecting that the AC is disconnected so as to quickly power down output; or reducing the output voltage level after detecting an AC disconnection; or directly cutting off output through a relay or a switching tube after detecting that the AC is disconnected; and an operation of recovering the normal output voltage after the AC is recovered.
The MCU of the low-voltage lamp end is provided with a network allocation and disconnection mechanism, namely when the MCU of the lamp end detects the power supply high-low or on-off change of a specific sequence, if the MCU judges that the power supply high-low or on-off change meets the preset conditions of the network allocation and disconnection, the MCU of the lamp end executes corresponding network allocation and disconnection operation.
Specific embodiments of the present invention are shown in fig. 1, assuming that in this example, five switching actions are performed in succession to start the distribution network and ten switching actions are performed in succession to de-network. The continuous judgment standard is that each on or off action is within 0.5 to 3 seconds after the last action. Assuming that the normal output of the direct current power supply is 36V, the direct current lamp is considered to have a turn-off action when the detection circuit detects 27V.
In this example, the dc power supply may be designed with a larger primary capacitance and a smaller secondary capacitance, so that the electrical energy storage after power failure is mainly concentrated in the primary capacitance and the secondary capacitance stores less electricity.
When the input AC is detected to be powered off, the output voltage point is controlled to be at a lower point (10V is assumed) to only keep the control circuit working, the power supply IC is stopped until the output voltage is reduced to the lower point, the electric quantity in the primary large capacitor is not output to the secondary during the period, and the electric quantity of the secondary capacitor is less and is rapidly consumed to a lower voltage level by the lamp, so that the output voltage is rapidly reduced.
A turn-off action can be considered to occur when the lamp side MCU detects a voltage below the input 27V. When the MCU in the lamp continues to detect lower voltage, such as below 20V, the lamp can be turned off temporarily (and turned on again above the voltage) to save electric energy, and the power consumption of the whole system becomes low. The power supply output voltage decreases slowly
When the power output voltage is reduced to 10V, the power end restarts the power IC to work and keeps the output voltage at about 10V, and the electric quantity stored in the primary side large capacitor can ensure continuous output for a long time, so that the MCU in the lamp can keep the power-on state all the time and continuously detect a plurality of switch actions, and the distribution network operation is started when 5 times or 10 times of detection are carried out.
In this design, if there is a large power source and a small lamp load, a discharge load can be provided in the power source to assist in accelerating the discharge, which is turned off at ordinary times, in order to ensure that the output voltage can quickly drop below 27V within 0.5 seconds after the AC off operation, and it is turned on temporarily when the AC off operation is detected until the voltage drops below 27V, and then the discharge load is turned off.
Through the measures, the MCU in the lamp can detect the information and start the distribution network only by connecting the connection switch corresponding times according to the design standard in a manual or electronic mode.
The specific implementation manner of this embodiment may be referred to the related description in the foregoing embodiment, which is not repeated herein.
It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.
It should be noted that in the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "plurality" means at least two.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The system and the method for realizing the low-voltage direct-current input wireless intelligent lamp network distribution and disconnection can be used for distributing and disconnecting one or more low-voltage direct-current lamps powered by a direct-current power supply through the special sequence of fast on-off mains supply AC switches, and can be used for starting the intelligent lamp network distribution and disconnection through fast switching of the AC input end of the low-voltage lamp power supply.
In this specification, the invention has been described with reference to specific embodiments thereof. It will be apparent, however, that various modifications and changes may be made without departing from the spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.

Claims (10)

1. The system is characterized by comprising a direct current power supply module, a low-voltage direct current lamp and an AC switch, wherein the input end of the direct current power supply module is connected with the AC switch, the input end of the low-voltage direct current lamp is connected with the output end of the direct current power supply module, the direct current power supply module comprises an AC detection circuit and a DC output voltage control circuit, the input end of the AC detection circuit is connected with the AC switch and used for detecting the on-off condition of the AC voltage input to the direct current power supply module, the input end of the DC output voltage control circuit is connected with the output end of the AC detection circuit, and the output end of the DC output voltage control circuit is connected with the low-voltage direct current lamp and used for controlling the on-off condition or the on-off condition of the output DC voltage according to the on-off condition of the AC voltage.
2. The system for implementing a low voltage direct current input wireless intelligent lamp distribution network according to claim 1, wherein the DC output voltage control circuit comprises a voltage regulating circuit structure and a power IC control circuit structure, the voltage regulating circuit structure is connected with the low voltage direct current lamp, the power IC control circuit structure is connected with the AC switch, the voltage regulating circuit structure is used for regulating the output voltage through a voltage feedback mechanism, and the power IC control circuit structure is used for enabling or shutting off the power IC.
3. The system for implementing the low-voltage direct current input wireless intelligent lamp network according to claim 1, wherein the low-voltage direct current lamp comprises an MCU unit connected with the output end of the DC output voltage control circuit for detecting the change of the input voltage and judging whether the change of the power supply voltage in a specific sequence or the on-off condition meets the preset conditions of the network, and if so, executing the corresponding network operation.
4. The system for implementing a low-voltage dc input wireless intelligent lamp distribution network according to claim 1, wherein the AC detection circuit detects the on-off condition of the AC voltage input to the dc power supply module, specifically: the AC detection circuit distinguishes between a power-off condition of the AC voltage and a normal AC variation period.
5. The system for implementing low-voltage direct current input wireless intelligent lamp distribution network according to claim 1, wherein the DC output voltage control circuit detects the on-off condition or the on-off condition of the DC voltage of the control output after the on-off of the AC voltage, specifically:
after the DC output voltage control circuit detects that the AC voltage is disconnected, the power supply IC is turned off, the output voltage is reduced, or the output voltage is cut off through a relay or a switching tube; and the DC output voltage control circuit restores normal output voltage after detecting that the AC voltage is restored.
6. The system for implementing a low voltage DC input wireless intelligent lamp distribution network according to claim 1, wherein the DC power module further comprises a discharge load connected to the DC output voltage control circuit for being turned off during normal operation and turned on during inspection of the AC off switch operation.
7. The system for implementing low-voltage direct-current input wireless intelligent lamp distribution network according to claim 1, wherein the direct-current power supply module consists of a primary capacitor and a secondary capacitor, and the capacitance value of the primary capacitor is larger than that of the secondary capacitor.
8. The system for implementing low-voltage direct current input wireless intelligent lamp network distribution and disconnection according to claim 3, wherein the predetermined condition of the network distribution and disconnection is that five continuous switching actions are detected as network distribution starting and ten continuous switching actions are disconnected.
9. A method for implementing a low voltage dc input wireless intelligent lamp distribution network based on the system of claim 1, comprising the steps of:
(1) Detecting the on-off condition of the input AC voltage, and distinguishing the power-off condition of the AC voltage from a normal AC variation period;
(2) The on-off condition or the high-low condition of the output DC voltage is controlled according to the on-off condition of the AC voltage;
(3) Detecting the change of the input voltage, judging whether the change of the high-low condition or the on-off condition of the power supply voltage of the specific sequence meets the preset condition of the distribution network, and executing corresponding distribution network operation if the change of the high-low condition or the on-off condition of the power supply voltage of the specific sequence meets the preset condition of the distribution network.
10. The method for implementing a low-voltage dc input wireless intelligent lamp distribution network according to claim 9, wherein the step (2) specifically comprises:
the DC output voltage control circuit turns off the power IC after detecting that the AC voltage is disconnected;
or, after the DC output voltage control circuit detects that the AC voltage is disconnected, the output voltage is reduced;
or, after the DC output voltage control circuit detects that the AC voltage is disconnected, the output voltage is cut off through a relay or a switching tube;
or, the DC output voltage control circuit resumes the normal output voltage after detecting that the AC voltage is recovered.
CN202210709429.2A 2022-06-22 2022-06-22 System and method for realizing low-voltage direct-current input wireless intelligent lamp distribution network Pending CN117311204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210709429.2A CN117311204A (en) 2022-06-22 2022-06-22 System and method for realizing low-voltage direct-current input wireless intelligent lamp distribution network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210709429.2A CN117311204A (en) 2022-06-22 2022-06-22 System and method for realizing low-voltage direct-current input wireless intelligent lamp distribution network

Publications (1)

Publication Number Publication Date
CN117311204A true CN117311204A (en) 2023-12-29

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