CN210202145U - Bus multi-path adjusting system, bus dimming lamp, DC module and DC lamp - Google Patents
Bus multi-path adjusting system, bus dimming lamp, DC module and DC lamp Download PDFInfo
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- CN210202145U CN210202145U CN201921033080.5U CN201921033080U CN210202145U CN 210202145 U CN210202145 U CN 210202145U CN 201921033080 U CN201921033080 U CN 201921033080U CN 210202145 U CN210202145 U CN 210202145U
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Abstract
The utility model discloses a bus multichannel governing system, bus dimming lamp, DC module and DC lamps and lanterns, include: the system comprises a communication module, a bus communication sending module, at least one group of bus communication receiving modules, at least one group of DC-DC circuits and electric equipment, wherein the at least one group of DC-DC circuits and the electric equipment correspond to the bus communication receiving modules; wherein: the communication module forms a second control instruction according to the received first control instruction and sends the second control instruction to the bus communication sending module; the bus communication sending module forms a third control instruction sent in a bus communication protocol mode according to the second control instruction and sends the third control instruction to the bus communication receiving module; the bus communication receiving module forms a control signal according to the received third control instruction and outputs the control signal to the DC-DC circuit; the DC-DC circuit controls the electric equipment according to the received control signal. Through the embodiment of the utility model provides a, a plurality of consumer that can make same return circuit use one set of communication module, adjust luminance effectual, anti-interference, the strong and independent control's of synchronism advantage.
Description
Technical Field
The utility model relates to an intelligence house field, in particular to bus multichannel governing system, bus dimming lamp, DC module and DC lamps and lanterns.
Background
With the development of energy saving technology, LED (Light-Emitting Diode) lamps are increasingly applied to home systems due to their good energy saving effect, and the control technology of LED lamps is also rapidly developed.
The existing dimming control of the LED lamp adopts a wireless dimming mode, a bus dimming mode and a wireless communication and PWM wired control mode.
The wireless dimming mode is a structure that a wireless communication module is configured for an LED lamp, the construction cost of the mode is simple and low, but the number of wireless communication terminals is large, so that the system load is large, signals are easily interfered and influenced, the communication is asynchronous, the dimming effect is large, and the like, and each LED lamp is configured with a power supply containing the wireless communication module, so that the cost of a plurality of LED lamps is high.
The traditional bus dimming mode represented by 485, DMX512 and DALI has good dimming effect, stable signal and strong anti-interference performance, but has the disadvantages of complex construction, poor flexibility, high manufacturing cost and difficulty in low cost and wide application.
The wireless communication and PWM (Pulse Width Modulation) wired control mode has the advantages of low cost and installation flexibility, and also has the problems of poor anti-interference performance, short transmission distance and low dimming precision, and lamps on the same loop cannot be controlled independently, so that the practicability and the application range of the scheme are seriously influenced.
Therefore, it is necessary to provide a new dimming scheme for LED lamps to solve the above technical problems,
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a bus multichannel governing system, bus dimming lamp, DC module and DC lamps and lanterns lies in providing, can make a plurality of consumer in same return circuit use one set of communication module, and the advantage that dimming effect is good, anti-interference, the synchronism is strong and can the independent control.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
according to an aspect of the present invention, there is provided a bus multiplex regulation system, the system comprising: the system comprises a communication module, a bus communication sending module, at least one group of bus communication receiving modules, at least one group of DC-DC circuits and electric equipment, wherein the at least one group of DC-DC circuits and the electric equipment correspond to the bus communication receiving modules; wherein:
the communication module is used for receiving a first control instruction, forming a second control instruction according to the first control instruction, and sending the second control instruction to the bus communication sending module;
the bus communication sending module is used for receiving the second control instruction, forming a third control instruction sent in a bus communication protocol mode according to the second control instruction, and sending the third control instruction to the bus communication receiving module;
the bus communication receiving module is used for forming a control signal according to the received third control instruction and outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the electric equipment according to the received control signal.
In one possible design, the DC-DC circuit is embodied as one of a constant voltage or a constant current circuit.
In one possible design, the control signal is embodied as one of a digital signal or an analog signal.
In one possible design, the digital signal is in particular a PWM digital signal and the analog signal is in particular a 0-10V and/or 1-10V analog signal.
In one possible design, the bus communication protocol is specifically one of an RS-485 serial bus standard protocol, a DMX512 protocol, a Dali protocol, a 0-10V protocol, and a 1-10V protocol.
In one possible design, the communication module is one of a wireless communication module or a wired communication module.
In one possible design, the bus multiplexing system further includes an AC-DC constant voltage module for outputting a constant DC voltage to provide a safe and stable power supply for the DC-DC circuit and the communication module.
According to another aspect of the utility model, a pair of bus dimming lamp is provided, bus dimming lamp includes: bus communication receiving module, DC-DC circuit and LED lamp, wherein:
the bus communication receiving module is used for forming a control signal according to a received third control instruction sent in a bus communication protocol mode;
the bus communication receiving module is also used for outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the LED lamp according to the received control signal.
According to another aspect of the utility model, a DC module is provided, the module includes: bus communication receiving module, DC-DC circuit, wherein:
the bus communication receiving module is used for forming a control signal according to a received third control instruction sent in a bus communication protocol mode,
the bus communication receiving module is also used for outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the LED lamp according to the received control signal.
According to another aspect of the present invention, there is provided a DC lamp, the lamp comprising: DC-DC circuit, LED lamp, wherein:
the DC-DC circuit is used for receiving a control signal formed by a third control instruction received by the bus communication receiving module according to a bus communication protocol mode from the bus communication receiving module,
the DC-DC circuit is also used for controlling the LED lamp according to the control signal.
Compared with the prior art, the embodiment of the utility model provides a bus multichannel governing system, bus dimming lamp, DC module and DC lamps and lanterns, bus multichannel governing system includes: the system comprises a communication module, a bus communication sending module, at least one group of bus communication receiving modules, at least one group of DC-DC circuits and electric equipment, wherein the at least one group of DC-DC circuits and the electric equipment correspond to the bus communication receiving modules; wherein: the communication module forms a second control instruction according to the received first control instruction and sends the second control instruction to the bus communication sending module; the bus communication sending module forms a third control instruction sent in a bus communication protocol mode according to the second control instruction and sends the third control instruction to the bus communication receiving module; the bus communication receiving module forms a control signal according to the received third control instruction and outputs the control signal to the DC-DC circuit; the DC-DC circuit controls the electric equipment according to the received control signal. Through the embodiment of the utility model, a plurality of electric devices in the same loop can use one set of communication module, which not only has the advantages of good dimming effect, anti-interference, strong synchronism and individual control of a bus adjusting mode, but also has the characteristics of flexible wiring and low cost of a wireless adjusting mode; the LED dimming circuit also has the advantages of strong anti-interference performance, long transmission distance, high dimming precision and flexible control mode; meanwhile, the switch and dimming and color mixing control of multi-path power utilization is realized in a low-cost and flexible installation mode, the problems that signal transmission of long-distance multi-equipment is easily interfered and distorted are solved, and the device has practical use value.
Drawings
Fig. 1 is a schematic structural diagram of a bus multi-path adjusting system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bus multi-path adjusting system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bus dimming lamp according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a DC module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a DC lamp provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a bus multi-path adjusting system according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
In one embodiment, the present invention provides a bus multiplexing system, referring to fig. 1, the bus multiplexing system includes: the system comprises a communication module, a bus communication sending module, at least one group of bus communication receiving modules, at least one group of DC-DC circuits and electric equipment, wherein the at least one group of DC-DC circuits and the electric equipment correspond to the bus communication receiving modules; wherein:
the communication module is used for receiving a first control instruction, forming a second control instruction according to the first control instruction, and sending the second control instruction to the bus communication sending module;
the bus communication sending module is used for receiving the second control instruction, forming a third control instruction sent in a bus communication protocol mode according to the second control instruction, and sending the third control instruction to the bus communication receiving module;
the bus communication receiving module is used for forming a control signal according to the received third control instruction and outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the electric equipment according to the received control signal.
In this embodiment, the communication module forms a second control instruction according to the received first control instruction, and sends the second control instruction to the bus communication sending module; the bus communication sending module forms a third control instruction sent in a bus communication protocol mode according to the second control instruction and sends the third control instruction to the bus communication receiving module; the bus communication receiving module forms a control signal according to the received third control instruction and outputs the control signal to the DC-DC circuit; the DC-DC circuit controls the electric equipment according to the received control signal. The system has the advantages that a plurality of electric devices in the same loop can use one set of communication module, the bus adjusting mode has the advantages of good dimming effect, interference resistance, strong synchronism and independent control, and the wireless adjusting mode has the characteristics of flexible wiring and low cost; the LED dimming circuit also has the advantages of strong anti-interference performance, long transmission distance, high dimming precision and flexible control mode; meanwhile, the switch and dimming and color mixing control of multi-path power utilization is realized in a low-cost and flexible installation mode, the problems that signal transmission of long-distance multi-equipment is easily interfered and distorted are solved, and the device has practical use value.
In one embodiment, the bus multiplexing system further comprises an AC-DC constant voltage module for outputting a constant DC voltage to provide a safe and stable power supply for the DC-DC circuit and the communication module. As shown in fig. 2.
In this embodiment, the input end of the AC-DC constant voltage module is connected to a line L, N, which converts AC power into DC power, and outputs the DC power in a constant voltage manner to output a constant DC voltage to provide a safe and stable power supply for the DC-DC circuit and the communication module.
In one embodiment, the powered device is an LED lamp.
In one embodiment, the DC-DC circuit is embodied as one of a constant voltage or a constant current circuit.
In one embodiment, the control signal is embodied as one of a digital signal or an analog signal.
In this embodiment, the digital signal is specifically a PWM digital signal, and the analog signal is specifically a 0-10V and/or 1-10V analog signal.
In one embodiment, the bus communication protocol is specifically one of an RS-485 serial bus standard protocol, a DMX512 protocol, a Dali protocol, a 0-10V protocol, and a 1-10V protocol.
In one embodiment, the communication module is a wired communication module.
In one embodiment, the communication module is a wireless communication module. As shown in fig. 6.
In this embodiment, the wireless communication module supports wireless communication modes including but not limited to zigbee, wifi, bluetooth, radio frequency, and the like.
In an embodiment, the wireless communication module receives a first control instruction transmitted by the intelligent device through a wireless signal to form a second control instruction, and sends the second control instruction to the bus communication sending module; the bus communication sending module forms a third control instruction sent in a bus communication protocol mode according to the second control instruction and sends the third control instruction to the bus communication receiving module; the bus communication receiving module forms a control signal according to the received third control instruction and outputs the control signal to the DC-DC circuit; the DC-DC circuit controls the electric equipment according to the received control signal. A plurality of consumers in the same loop can use one set of wireless communication module, so that the wireless communication module has the advantages of good dimming effect, interference resistance, strong synchronism and independent control in a bus adjusting mode, and has the characteristics of flexibility in wiring and low cost in a wireless adjusting mode.
In an embodiment, the present invention provides a bus dimming lamp, please refer to fig. 3, the bus dimming lamp includes: bus communication receiving module, DC-DC circuit and LED lamp, wherein:
the bus communication receiving module is used for forming a control signal according to a received third control instruction sent in a bus communication protocol mode;
the bus communication receiving module is also used for outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the LED lamp according to the received control signal.
In one embodiment, the DC-DC circuit is embodied as one of a constant voltage or a constant current circuit.
In one embodiment, the control signal is embodied as one of a digital signal or an analog signal.
In this embodiment, the digital signal is specifically a PWM digital signal, and the analog signal is specifically a 0-10V and/or 1-10V analog signal.
In one embodiment, the bus communication protocol is specifically one of an RS-485 serial bus standard protocol, a DMX512 protocol, a Dali protocol, a 0-10V protocol, and a 1-10V protocol.
In this embodiment, the bus communication receiving module forms a control signal according to a received third control instruction sent in a bus communication protocol manner, and outputs the control signal to the DC-DC circuit; the DC-DC circuit controls the LED lamp according to the received control signal. The LED lamp control system has the advantages that a plurality of LED lamps in the same loop can use one set of communication module, the bus regulation mode has the advantages of good dimming effect, interference resistance, strong synchronism and independent control, and the wireless regulation mode has the characteristics of flexible wiring and low cost; the LED light source has the advantages of strong anti-interference performance, long transmission distance, high dimming precision and flexible control mode, and has practical use value.
In an embodiment, the present invention provides a DC module, please refer to fig. 4, the DC module includes: bus communication receiving module, DC-DC circuit, wherein:
the bus communication receiving module is used for forming a control signal according to a received third control instruction sent in a bus communication protocol mode,
the bus communication receiving module is also used for outputting the control signal to the DC-DC circuit;
and the DC-DC circuit is used for controlling the electric equipment according to the received control signal.
In one embodiment, the powered device is an LED lamp.
In one embodiment, the DC-DC circuit is embodied as one of a constant voltage or a constant current circuit.
In one embodiment, the control signal is embodied as one of a digital signal or an analog signal.
In this embodiment, the digital signal is specifically a PWM digital signal, and the analog signal is specifically a 0-10V and/or 1-10V analog signal.
In one embodiment, the bus communication protocol is specifically one of an RS-485 serial bus standard protocol, a DMX512 protocol, a Dali protocol, a 0-10V protocol, and a 1-10V protocol.
In this embodiment, the bus communication receiving module forms a control signal according to a received third control instruction sent in a bus communication protocol manner, and outputs the control signal to the DC-DC circuit; the DC-DC circuit controls the electric equipment according to the received control signal. The system has the advantages that a plurality of electric devices in the same loop can use one set of communication module, the bus adjusting mode has the advantages of good dimming effect, interference resistance, strong synchronism and independent control, and the wireless adjusting mode has the characteristics of flexible wiring and low cost; the LED light source has the advantages of strong anti-interference performance, long transmission distance, high dimming precision and flexible control mode, and has practical use value.
In an embodiment, the present invention provides a DC lamp, please refer to fig. 5, the DC lamp includes: DC-DC circuit, LED lamp, wherein:
the DC-DC circuit is used for receiving a control signal formed by a third control instruction received by the bus communication receiving module according to a bus communication protocol mode from the bus communication receiving module,
the DC-DC circuit is also used for controlling the LED lamp according to the control signal.
In one embodiment, the DC-DC circuit is embodied as one of a constant voltage or a constant current circuit.
In one embodiment, the control signal is embodied as one of a digital signal or an analog signal.
In this embodiment, the digital signal is specifically a PWM digital signal, and the analog signal is specifically a 0-10V and/or 1-10V analog signal.
In one embodiment, the bus communication protocol is specifically one of an RS-485 serial bus standard protocol, a DMX512 protocol, a Dali protocol, a 0-10V protocol, and a 1-10V protocol.
In this embodiment, the DC-DC circuit receives a control signal formed by a third control command received by the bus communication receiving module according to a bus communication protocol from the bus communication receiving module, and controls the LED lamp according to the control signal. The LED lamp control system has the advantages that a plurality of LED lamps in the same loop can use one set of communication module, the bus regulation mode has the advantages of good dimming effect, interference resistance, strong synchronism and independent control, and the wireless regulation mode has the characteristics of flexible wiring and low cost; the LED light source has the advantages of strong anti-interference performance, long transmission distance, high dimming precision and flexible control mode, and has practical use value.
The technical solution of the present invention will be described in further detail with reference to more specific embodiments.
In one embodiment, please refer to fig. 6. The utility model provides a bus multichannel governing system. In this embodiment, the electrical device is exemplified by an LED lamp, and exemplified by two bus dimming lamps in the same loop, each bus dimming lamp is exemplified by a bus communication receiving module, two DC-DC circuits and an LED lamp connected thereto, and the communication module is exemplified by a wireless communication module.
In this embodiment, the utility model provides a bus multichannel governing system, include: the system comprises an AC-DC constant voltage module, a wireless communication module, a bus communication sending module, two groups of bus communication receiving modules, two groups of DC-DC circuits corresponding to the bus communication receiving modules and LED lamps connected with the DC-DC circuits; wherein:
and the AC-DC constant voltage module is used for converting alternating current into direct current and outputting constant direct current voltage to provide a safe and stable power supply for the DC-DC circuit and the communication module.
The wireless communication module is used for receiving a first control instruction transmitted by the intelligent equipment through a wireless signal, forming a second control instruction according to the first control instruction, and sending the second control instruction to the bus communication sending module; the wireless communication module supports wireless communication modes including but not limited to zigbee, wifi, bluetooth, radio frequency and the like. The intelligent device can be in wireless communication with the wireless communication module, and transmits a first control instruction to the wireless communication module through a wireless signal.
The bus communication sending module is used for receiving the second control instruction, forming a third control instruction sent in a bus communication protocol mode according to the second control instruction, and sending the third control instruction to the bus communication receiving module; the bus communication protocol is specifically one of an RS-485 serial bus standard protocol, a DMX512 protocol, a Dali protocol, a 0-10V protocol and a 1-10V protocol.
And the bus communication receiving module is used for forming a control signal according to the received third control instruction and outputting the control signal to the DC-DC circuit. Wherein, the control signal is one of a digital signal or an analog signal. The digital signal is specifically a PWM digital signal, and the analog signal is specifically a 0-10V and/or 1-10V analog signal.
In this embodiment, the control signal is an analog signal of 0-10V.
The DC-DC circuit is used for controlling the LED lamp according to the received control signal. The DC-DC circuit is specifically one of a constant voltage circuit or a constant current circuit.
In this embodiment, the DC-DC circuit is a constant current circuit.
The embodiment of the utility model provides a pair of bus multichannel governing system, include: the system comprises an AC-DC constant voltage module, a wireless communication module, a bus communication sending module, two groups of bus communication receiving modules, two groups of DC-DC circuits corresponding to the bus communication receiving modules and LED lamps connected with the DC-DC circuits. The wireless communication module receives a first control instruction transmitted by the intelligent equipment through a wireless signal to form a second control instruction, and sends the second control instruction to the bus communication sending module; the bus communication sending module forms a third control instruction sent in a bus communication protocol mode according to the second control instruction and sends the third control instruction to the bus communication receiving module; the bus communication receiving module forms a control signal according to the received third control instruction and outputs the control signal to the DC-DC circuit; the DC-DC circuit controls the LED lamp according to the received control signal. Through the embodiment of the utility model, a plurality of electric devices in the same loop can use one set of wireless communication module, which not only has the advantages of good dimming effect, anti-interference, strong synchronism and individual control of the bus adjusting mode, but also has the characteristics of flexible wiring and low cost of the wireless adjusting mode; the LED dimming circuit also has the advantages of strong anti-interference performance, long transmission distance, high dimming precision and flexible control mode; meanwhile, the switch and dimming and color mixing control of multi-path power utilization is realized in a low-cost and flexible installation mode, the problems that signal transmission of long-distance multi-equipment is easily interfered and distorted are solved, and the device has practical use value.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
1. A bus multiplexing system, comprising: the system comprises a communication module, a bus communication sending module, at least one group of bus communication receiving modules, at least one group of DC-DC circuits and electric equipment, wherein the at least one group of DC-DC circuits and the electric equipment correspond to the bus communication receiving modules; wherein:
the communication module is used for receiving a first control instruction, forming a second control instruction according to the first control instruction, and sending the second control instruction to the bus communication sending module;
the bus communication sending module is used for receiving the second control instruction, forming a third control instruction sent in a bus communication protocol mode according to the second control instruction, and sending the third control instruction to the bus communication receiving module;
the bus communication receiving module is used for forming a control signal according to the received third control instruction and outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the electric equipment according to the received control signal.
2. The system of claim 1, wherein the DC-DC circuit is embodied as one of a constant voltage or constant current circuit.
3. The system of claim 1, wherein the control signal is embodied as one of a digital signal or an analog signal.
4. System according to claim 3, characterized in that the digital signal is in particular a PWM digital signal and the analog signal is in particular a 0-10V and/or 1-10V analog signal.
5. The system of claim 1, wherein the bus communication protocol is one of RS-485 serial bus standard protocol, DMX512 protocol, Dali protocol, 0-10V protocol, and 1-10V protocol.
6. The system of claim 1, wherein the communication module is one of a wireless communication module or a wired communication module.
7. The system of claim 1, wherein the bus multiplexing system further comprises an AC-DC constant voltage module for outputting a constant DC voltage to provide a safe and stable power supply for the DC-DC circuit and the communication module.
8. A bus dimming lamp, comprising: bus communication receiving module, DC-DC circuit and LED lamp, wherein:
the bus communication receiving module is used for forming a control signal according to a received third control instruction sent in a bus communication protocol mode;
the bus communication receiving module is also used for outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the LED lamp according to the received control signal.
9. A DC module, characterized in that the module comprises: bus communication receiving module, DC-DC circuit, wherein:
the bus communication receiving module is used for forming a control signal according to a received third control instruction sent in a bus communication protocol mode,
the bus communication receiving module is also used for outputting the control signal to the DC-DC circuit;
the DC-DC circuit is used for controlling the LED lamp according to the received control signal.
10. A DC light fixture, characterized in that the light fixture comprises: DC-DC circuit, LED lamp, wherein:
the DC-DC circuit is used for receiving a control signal formed by a third control instruction received by the bus communication receiving module according to a bus communication protocol mode from the bus communication receiving module,
the DC-DC circuit is also used for controlling the LED lamp according to the control signal.
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| CN201921033080.5U CN210202145U (en) | 2019-07-04 | 2019-07-04 | Bus multi-path adjusting system, bus dimming lamp, DC module and DC lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110191548A (en) * | 2019-07-04 | 2019-08-30 | 深圳市欧瑞博科技有限公司 | Bus multichannel regulating system and method, bus desk lamp with dimmer switch, DC mould group and DC lamps and lanterns |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110191548A (en) * | 2019-07-04 | 2019-08-30 | 深圳市欧瑞博科技有限公司 | Bus multichannel regulating system and method, bus desk lamp with dimmer switch, DC mould group and DC lamps and lanterns |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park A7 building 7 floor Patentee after: Shenzhen euribo Technology Co., Ltd Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park A7 building 7 floor Patentee before: SHENZHEN ORVIBO TECHNOLOGY Co.,Ltd. |
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