CN210041842U - Broadcasting system using solar street lamp for playing - Google Patents
Broadcasting system using solar street lamp for playing Download PDFInfo
- Publication number
- CN210041842U CN210041842U CN201920733048.1U CN201920733048U CN210041842U CN 210041842 U CN210041842 U CN 210041842U CN 201920733048 U CN201920733048 U CN 201920733048U CN 210041842 U CN210041842 U CN 210041842U
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- circuit
- street lamp
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- audio frequency
- transmitting
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- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model provides an utilize broadcasting system of solar street lamp broadcast belongs to lighting apparatus or broadcasting equipment field. The street lamp comprises an audio transmitting host and a street lamp, the street lamp is in communication connection with the audio transmitting host, an audio processing transmitting system is arranged in the audio transmitting host, the street lamp comprises a lamp body and a solar street lamp audio system, the audio processing transmitting system comprises an AC220V power adapter, an audio processing circuit, a host audio receiving circuit, a microphone processing circuit, a savings card playing circuit, a radio station radio receiving circuit and a host wireless audio transmitting circuit, and the solar street lamp audio system comprises a solar cell panel, a storage battery pack, a control circuit, a light source circuit, an audio playing circuit, a street lamp wireless audio receiving circuit, a street lamp wired audio receiving circuit, a street lamp wireless audio transmitting circuit and a loudspeaker. Compared with the prior art, the utility model discloses possess audio playback function and illumination function simultaneously, the space volume of occuping is few, adopts wireless connection's mode, and the mounted position is nimble.
Description
Technical Field
The utility model belongs to lighting apparatus or broadcasting equipment field particularly, relate to an utilize broadcasting system of solar street lamp broadcast.
Background
At present, an LED street lamp is one of outdoor lighting fixtures, and the LED street lamp has diversity, aesthetic property, and characteristics of beautifying and decorating the environment, and is also called landscape LED street lamp. The solar LED street lamp does not need to lay cables, does not need to be supplied with alternating current or generate electricity charge, adopts direct current power supply and photosensitive control, and has the advantages of good stability, long service life, high luminous efficiency, simple and convenient installation and maintenance, high safety performance, energy conservation, environmental protection, economy, practicability and the like.
The broadcasting system is a common electronic audio transmission system device in public places, and is widely applied and has higher and higher technological content in terms of development at present. Has been widely used in places such as schools, units, parks, scenic spots, stations, airports, docks, squares, markets and the like.
The existing broadcasting system and the existing illuminating street lamp are usually installed independently, and the broadcasting system is connected through a wire to transmit signals, so that a plurality of leads are caused, the circuit is complex, the installation is inconvenient, and the broadcasting system and the illuminating street lamp are respectively installed to waste more places and waste public resources. In view of this, the utility model provides an utilize light wave system of solar street lamp broadcast.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an utilize broadcasting system of solar street lamp broadcast, it possesses audio playback function and illumination function simultaneously, is to close audio playback function and solar street lamp equipment as an organic whole, and the space occupation volume is few, adopts wireless connection's mode, and the mounted position is nimble.
The utility model discloses a following technical scheme realizes:
a broadcasting system utilizing solar street lamps to play comprises an audio transmitting host and street lamps, wherein the street lamps are in communication connection with the audio transmitting host, an audio processing and transmitting system is arranged in the audio transmitting host, each street lamp comprises a lamp body and a solar street lamp audio system arranged on the lamp body, the audio processing and transmitting system comprises an AC220V power adapter, an audio processing circuit, a host audio receiving circuit, a microphone processing circuit, a saving card playing circuit, a radio receiving circuit and a host wireless audio transmitting circuit, the microphone processing circuit and the radio receiving circuit are electrically connected with the saving card playing circuit, the host audio receiving circuit and the AC220V power adapter are all electrically connected with the audio processing circuit, and the audio processing circuit is electrically connected with the host wireless audio transmitting circuit, the solar street lamp audio system comprises a solar cell panel, a storage battery pack, a control circuit, a light source circuit, an audio playing circuit, a street lamp wireless audio receiving circuit, a street lamp wired audio receiving circuit, a street lamp wireless audio transmitting circuit and a loudspeaker, wherein the solar cell panel, the light source circuit, the storage battery pack and the audio playing circuit are all electrically connected with the control circuit, the street lamp wireless audio receiving circuit, the street lamp wired audio receiving circuit, the street lamp wireless audio transmitting circuit and the loudspeaker are all electrically connected with the audio playing circuit, and the host machine wireless audio transmitting circuit is in communication connection with the street lamp wireless audio receiving circuit.
As a preferred technical solution, the solar street lamp audio system further includes a light sensing circuit, and the light sensing circuit is electrically connected to the control circuit.
As a preferred technical scheme, the lamp body comprises a light pole and a light head installed on the light pole, the solar cell panel is arranged at the top of the light pole, the storage battery pack is arranged at the back of the solar cell panel, and the light sensation circuit, the control circuit, the light source circuit, the audio playing circuit, the street lamp wireless audio receiving circuit, the street lamp wired audio receiving circuit, the street lamp wireless audio transmitting circuit and the loudspeaker are all arranged on the street lamp head.
As a preferred technical scheme, the light source circuit comprises a light-emitting panel, the street lamp wireless audio receiving circuit comprises a receiving antenna, the street lamp wireless audio transmitting circuit comprises a transmitting antenna, and the street lamp wired audio receiving circuit comprises a wiring port.
As a preferred technical scheme, a power switch, a function selection switch and an induction window are further arranged on the street lamp head, and the power switch, the function selection switch and the induction window are all electrically connected with the control circuit.
As a preferred technical scheme, a junction box is further arranged below the street lamp pole.
As a preferred technical scheme, AC220V power adapter includes host computer switch and DC power input socket, host computer audio frequency receiving circuit includes 3.5 socket audio frequency interface, USB input port and audio input output socket, deposit card broadcast circuit includes TF card input port, microphone processing circuit includes microphone connection socket, host computer wireless audio frequency transmitting circuit includes host computer transmitting antenna, audio frequency processing circuit includes audio playback function selection key, function display window, remote control receiving port, broadcast volume knob and microphone volume tone knob.
As a preferred technical scheme, a heat dissipation window is further arranged on the audio emission host.
Has the advantages that:
1. the utility model discloses the installation is maintained portably, can improve solar energy utilization ratio, adopts wireless connection and cover, and the lead wire is few, collects broadcasting and illumination in an organic whole, and the space occupies the reduction, because does not need the lead wire through wireless transmission between the street lamp, and the mounted position is nimble, can prevent to cause accident's emergence because of the circuit problem, makes the circuit obtain better protection.
2. The utility model discloses a street lamp need not the alternating current, does not produce the charges of electricity, can have sunshine's local nimble installation practicality in the open air to can connect countless taking solar street lamp, need not to lay the cable, convenient to use is nimble.
Drawings
FIG. 1 is a schematic diagram of the circuit logic relationship of a broadcasting system using solar street lamps for broadcasting;
FIG. 2 is a front view of an embodiment of an audio transmitting host;
FIG. 3 is a rear view of an embodiment of an audio transmitting host;
FIG. 4 is a schematic structural view of a street lamp;
FIG. 5 is a bottom view of the street lamp head;
fig. 6 is a rear view of the street lamp head.
The attached drawings are as follows:
1. an audio transmitting host; 2. a host power switch; 3. 3.5 a jack audio connection port; 4. an audio play function selection key; 5. a USB input port; 6. a TF card input port; 7. a functional display window; 8. a remote control receiving port; 9. a play volume knob; 10. the microphone is connected with the socket; 11. a microphone volume tone knob; 12. a street lamp head; 13. a host transmitting antenna; 14. a heat dissipation window; 15. an audio input/output socket; 16. a DC power input socket; 17. a light pole; 18. a junction box; 19. a solar panel; 20. a battery pack; 21. a light emitting panel; 22. a power switch; 23. an induction window; 24. a function selection switch; 25. a speaker; 26. a receiving antenna; 27. a transmitting antenna; 28. a wiring port; 29. a light sensing circuit; 30. a control circuit; 31. a light source circuit; 32. an audio playback circuit; 33. a street lamp wireless receiving circuit; 34. a wired audio receiving circuit of the street lamp; 35. a wireless audio transmitting circuit of the street lamp; 36. an audio processing circuit; 37. a savings card playback circuit; 38. a microphone processing circuit; 39. a radio station radio circuit; 40. a host audio receiving circuit; 41. an AC220 power adapter; 42. host computer wireless audio frequency transmitting circuit.
Detailed Description
For further disclosure and explanation of the technical solution of the present invention, a broadcast system using a solar street lamp is described in detail with reference to the accompanying drawings.
It should be noted that the terms "upper", "inner", "middle", "left", "right" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the corresponding elements may be changed or adjusted without substantial technical changes, and the scope of the present invention may be considered to be the scope of the present invention.
Referring to fig. 1, the utility model provides a broadcasting system using solar street lamp to play, including audio frequency emission host 1 and street lamp, the street lamp with audio frequency emission host 1 communication connection, be provided with audio frequency processing emission system in the audio frequency emission host 1, the street lamp includes the lamp body and sets up the solar street lamp audio system on the lamp body, audio frequency processing emission system includes AC220V power adapter 41, audio frequency processing circuit 36, host audio frequency receiving circuit 40, microphone processing circuit 38, deposit card playing circuit 37, radio station radio receiving circuit 39 and host computer wireless audio frequency emission circuit 42, microphone processing circuit 38 and radio station radio receiving circuit 39 electric connection the deposit card playing circuit 37, host audio frequency receiving circuit 40 and AC220V power adapter 41 all electric connection the audio frequency processing circuit 36, the audio processing circuit 36 is electrically connected to the host wireless audio transmitting circuit 42;
specifically, the power adapter 41 is connected with a power supply through the AC220V for power supply, the audio processing circuit 36 performs processing, the microphone processing circuit 38 and the host audio receiving circuit 40 are suitable for wireless and wired applications, a TF card and a radio receiving circuit 39 are inserted into the microphone processing circuit 38 and the deposit card playing circuit 37 for receiving sound, or a Bluetooth, a USB or an earphone is connected with the host audio receiving circuit 40 for audio input into the audio processing circuit 36, and after the input audio signals are processed, the host wireless audio transmitting circuit 42 sends the processed audio signals to the street lamp for audio playing.
The solar street lamp audio system comprises a solar cell panel 19, a storage battery pack 20, a control circuit 30, a light source circuit 31, an audio playing circuit 32, a street lamp wireless audio receiving circuit 33, a street lamp wired audio receiving circuit 34, a street lamp wireless audio transmitting circuit 35 and a loudspeaker 25, wherein the solar cell panel 19, the light source circuit 31, the storage battery pack 20 and the audio playing circuit 32 are all electrically connected with the control circuit 30, the street lamp wireless audio receiving circuit 33, the street lamp wired audio receiving circuit 34, the street lamp wireless audio transmitting circuit 35 and the loudspeaker 25 are all electrically connected with the audio playing circuit 32, and the host wireless audio transmitting circuit 42 is in communication connection with the street lamp wireless audio receiving circuit 33.
Specifically, the solar cell panel 19 is composed of a plurality of photovoltaic materials connected in series and in parallel, and is used for absorbing sunlight to directly or indirectly convert solar radiation energy into electric energy through a photoelectric effect or photochemistry through an absorption and release structure.
The control circuit 30 is managed and controlled by a single chip microcomputer, and is used for processing externally input setting parameters, managing the storage battery pack 20, the audio playing circuit 32 and the light source circuit 31, and controlling the stability of each working state, and the control circuit 30 can also be used for realizing self-checking and working mode parameter setting of the circuit, and providing the direct-current power supply provided by the storage battery pack 20 to other components needing direct-current power supply after parameter processing.
The storage battery pack 20, which is composed of a single or a plurality of storage batteries connected in series and in parallel, can store the electric energy generated by the solar panel 19 and provide a direct current power supply for the circuit.
The light source circuit 31 includes a light emitting panel 21 formed by a plurality of LED lamp beads connected in series and in parallel, and converts the dc power provided by the battery pack 20 into a light source.
The audio playing circuit 32 amplifies the input audio signal by a digital circuit or an analog circuit, and then plays the audio signal through the speaker 25 connected to the circuit.
The street lamp wireless audio receiving circuit 33 is used for receiving audio transmitted by the audio transmitting host 1 or the street lamp, the audio is processed by the audio playing circuit 32 and then played through the loudspeaker 25, the audio can be transmitted through the street lamp wired audio receiving circuit 34 and the lead to play, the street lamp wireless audio transmitting circuit 35 can transmit street lamp audio signals, so that the street lamp head 12 in another range can receive and re-transmit, and under the condition of being open and free of shielding, the wireless transmitting coverage distance can realize the coverage range of about 360 degrees and 60 meters after the transmitting signals are amplified.
The solar street lamp audio system further comprises a light sensing circuit 29, the light sensing circuit 29 is electrically connected with the control circuit 30, the light sensing circuit 29 is used for sensing day or night, and further switching the charging state and the street lamp switching state, namely when the light sensing circuit 29 senses day, the control circuit 30 installed inside automatically turns off the lighting to enter the charging state, the electric energy generated by the solar cell panel 19 is stored in the storage battery installed inside, when the light sensing circuit 29 senses day black, the control circuit 30 installed inside automatically turns on the lighting, it needs to be explained that the audio playing system is not controlled by the light sensing circuit 29, and is in the working state all day long.
Referring to fig. 4, 5 and 6, the lamp body includes a light pole 17 and a light head 12 mounted on the light pole 17, the solar cell panel 19 is disposed on the top of the light pole 17, the battery pack 20 is disposed on the back of the solar cell panel 19, and the light sensing circuit 29, the control circuit 30, the light source circuit 31, the audio playing circuit 32, the wireless audio receiving circuit 33, the wired audio receiving circuit 34, the wireless audio transmitting circuit 35 and the speaker 25 are disposed on the light head 12.
The light source circuit 31 comprises a light emitting panel 21, the street lamp wireless audio receiving circuit 33 comprises a receiving antenna 26, the street lamp wireless audio transmitting circuit 35 comprises a transmitting antenna 27, the street lamp wired audio receiving circuit 34 comprises a wiring port 28, the light emitting panel 21, the transmitting antenna 27, the receiving antenna 26 and the wiring port 28 are all arranged at the street lamp head 12, the wiring port 28 is arranged at the tail of the street lamp head 12, an audio signal is connected to the audio playing circuit 32 in a wired mode through the wiring port 28 which penetrates through the tail by using a wire, the audio signal is played by a loudspeaker 25, the receiving antenna 26 and the transmitting antenna 27 are both arranged at the tail of the street lamp head 12, the receiving antenna 26 is in wireless connection with an audio projection host, the audio signal is transmitted after the audio signal is wirelessly connected in a Bluetooth wireless transmission mode or wireless transmission modes such as FM or WIFI, the audio signal is played by the loudspeaker 25, and the transmitting antenna 27 is used for transmitting the audio processed .
The street lamp head 12 is further provided with a power switch 22, a function selection switch 24 and an induction window 23, the power switch 22, the function selection switch 24 and the induction window 23 are all electrically connected with the control circuit 30, the power switch 22 is turned on to enable the street lamp to enter a functional state, and the solar street lamp audio system is calibrated through software to set three modes: the long bright mode, the infrared mode and the time control mode are selected by pressing the function selection switch 24, and the sensing window 23 is used for sensing and feedback in the infrared mode.
And a junction box 18 is also arranged below the street lamp pole 17, and the junction box 18 is convenient for the arrangement of the junction box 18.
Referring to fig. 2 and 3, the AC220V power adapter 41 includes a host power switch 2 and a DC power input socket 16, the host audio receiving circuit 40 includes a 3.5 socket audio connection port 3, a USB input port 5 and an audio input/output socket 15, the savings card playing circuit 37 includes a TF card input port 6, the microphone processing circuit 38 includes a microphone connection socket 10, the host wireless audio transmitting circuit 42 includes a host transmitting antenna 13, and the audio processing circuit 36 includes an audio playing function selection key 4, a function display window 7, a remote control receiving port 8, a playing volume knob 9 and a microphone volume knob 11.
The audio emission host 1 is further provided with a heat dissipation window 14, and the heat dissipation window 14 is beneficial to heat dissipation.
The utility model discloses a theory of operation does:
street lamp accessible is wired or wireless mode connects audio signal, and switch 22 is that storage battery 20 provides DC power supply for illumination and audio system's switch on, opens the switch the utility model discloses there is 10 seconds self-checking processes, and the self-checking process is not controlled by light sense circuit 29, and the regular scintillation of luminescent panel 21, senses daytime when light sense circuit 29, and luminescent panel 21 extinguishes and gets into the charged state, then lights entering operating condition night, and operating condition sets up three kinds of modes through function selection switch 24:
the long bright mode: the function selection switch 24 is set in a long bright mode, the light-emitting panel 21 flashes strongly for three times and then enters a long bright illumination mode, the control of infrared induction is avoided, and illumination is carried out to be bright at night with the brightness of 75% of the total power;
an infrared mode: the function selection switch 24 is set in an infrared mode, the light-emitting panel 21 flashes strongly for three times and enters the infrared mode, the light-emitting panel is lighted at night and then illuminates at a brightness of 50% of the total power, when a person enters an infrared detection range, the sensing window 23 emits and receives an infrared signal starting circuit to enter 100% brightness illumination, and when the person leaves the infrared detection range, the light-emitting panel continues to illuminate at 100% brightness for 30 seconds and then enters 50% brightness illumination;
time control mode: the function selection switch 24 is set in a time control mode, the time control mode is entered after the luminous surface flashes for three times, the illumination is performed within a set time at 100% after the night illumination, the power saving mode is entered after the set time, and the illumination is performed to the sky brightness at 50% brightness.
The audio transmitting host 1 can input audio through the above mentioned various forms such as SD card, microphone, USB, etc., the audio signal is processed and then transmitted through the host transmitting antenna 27, the transmitted audio signal is received by the receiving antenna at the tail of the street lamp within the coverage area and transmitted to the audio playing circuit 32 and the speaker 25 inside the street lamp head 12 for playing, meanwhile, the transmitting antenna 27 in the street lamp wireless audio transmitting circuit 35 can transmit wireless audio signal, and the audio signal is received and re-transmitted again at another street lamp head 12 within the coverage area.
The utility model discloses a whole broadcast system utilizes other wireless transmission methods such as bluetooth or FM, WIFI to carry out a pair of locking connected mode, can connect countless street lamp head 12, forms a hand-in-hand mode and constitutes the broadcast net of transmission and receipt, has set for the wireless locking connection of one-to-one when installing broadcast system, and after the host computer closed work, automatic connection when starting up again, can add LED double-colored pilot lamp and carry out the demonstration of connection status again, does not do not describe here again; the length of the street lamp head 12 and the length of the light-emitting panel 21 can be increased or decreased according to power, the tail part of the street lamp head 12 is designed to be cylindrical and is integrated with the street lamp head 12, and the street lamp is more convenient to mount, safer and more reliable.
The present invention is not limited to the above embodiment, and if various modifications or changes of the present invention do not depart from the spirit and scope of the present invention, the present invention also includes such modifications and changes if such modifications and changes fall within the scope of the claims and the equivalent technology of the present invention.
Claims (8)
1. The utility model provides an utilize broadcasting system of solar street lamp broadcast which characterized in that: including audio frequency emission host computer and street lamp, the street lamp with audio frequency emission host computer communication connection, be provided with audio frequency in the audio frequency emission host computer and handle transmitting system, the street lamp includes the lamp body and set up in solar street lamp audio system on the lamp body, audio frequency is handled transmitting system and is included AC220V power adapter, audio frequency processing circuit, host computer audio frequency receiving circuit, microphone processing circuit, deposit card broadcast circuit, radio station radio circuit and host computer wireless audio frequency transmitting circuit, microphone processing circuit and radio station radio circuit electric connection deposit card broadcast circuit, host computer audio frequency receiving circuit and the equal electric connection of AC220V power adapter audio frequency processing circuit, audio frequency processing circuit electric connection host computer wireless audio frequency transmitting circuit, solar street lamp audio system includes solar cell panel, solar cell panel, The street lamp wireless audio frequency receiving circuit, the street lamp wired audio frequency receiving circuit, the street lamp wireless audio frequency transmitting circuit and the loudspeaker are all electrically connected with the control circuit, the street lamp wireless audio frequency receiving circuit, the street lamp wired audio frequency receiving circuit, the street lamp wireless audio frequency transmitting circuit and the loudspeaker are all electrically connected with the audio frequency playing circuit, and the host machine wireless audio frequency transmitting circuit is in communication connection with the street lamp wireless audio frequency receiving circuit.
2. The broadcasting system using solar street lamps for broadcasting according to claim 1, wherein: the solar street lamp audio system further comprises a light sensing circuit, and the light sensing circuit is electrically connected with the control circuit.
3. The broadcasting system using solar street lights for broadcasting as claimed in claim 2, wherein: the lamp body includes the light pole and install in light holder on the light pole, solar cell panel locates the top of light pole, storage battery set up in solar cell panel's back, light sense circuit, control circuit, light source circuit, audio playback circuit, the wireless audio frequency receiving circuit of street lamp, the wired audio frequency receiving circuit of street lamp, the wireless audio frequency transmitting circuit of street lamp and speaker all set up in on the street lamp head.
4. The broadcasting system using solar street lamps for broadcasting according to claim 3, wherein: the light source circuit comprises a light-emitting panel, the street lamp wireless audio receiving circuit comprises a receiving antenna, the street lamp wireless audio transmitting circuit comprises a transmitting antenna, and the street lamp wired audio receiving circuit comprises a wiring port.
5. The broadcasting system using solar street lamps for broadcasting according to claim 3, wherein: the street lamp head is also provided with a power switch, a function selection switch and an induction window, and the power switch, the function selection switch and the induction window are electrically connected with the control circuit.
6. The broadcasting system using solar street lamps for broadcasting according to claim 3, wherein: and a junction box is also arranged below the street lamp pole.
7. The broadcasting system using solar street lamps for broadcasting according to claim 1, wherein: AC220V power adapter includes host computer switch and DC power input socket, host computer audio frequency receiving circuit includes 3.5 socket audio frequency interface, USB input port and audio input output socket, deposit card broadcast circuit includes TF card input port, microphone processing circuit includes microphone connection socket, the wireless audio frequency transmitting circuit of host computer includes host computer transmitting antenna, audio frequency processing circuit includes audio playback function select key, function display window, remote control receiving port, broadcast volume knob and microphone volume tone knob.
8. The broadcasting system using solar street lights for broadcasting as claimed in claim 7, wherein: and the audio emission host is also provided with a heat dissipation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920733048.1U CN210041842U (en) | 2019-05-21 | 2019-05-21 | Broadcasting system using solar street lamp for playing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920733048.1U CN210041842U (en) | 2019-05-21 | 2019-05-21 | Broadcasting system using solar street lamp for playing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210041842U true CN210041842U (en) | 2020-02-07 |
Family
ID=69367129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920733048.1U Expired - Fee Related CN210041842U (en) | 2019-05-21 | 2019-05-21 | Broadcasting system using solar street lamp for playing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210041842U (en) |
-
2019
- 2019-05-21 CN CN201920733048.1U patent/CN210041842U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |