CN218788675U - Portable screen-projection television capable of working stably - Google Patents
Portable screen-projection television capable of working stably Download PDFInfo
- Publication number
- CN218788675U CN218788675U CN202222812263.5U CN202222812263U CN218788675U CN 218788675 U CN218788675 U CN 218788675U CN 202222812263 U CN202222812263 U CN 202222812263U CN 218788675 U CN218788675 U CN 218788675U
- Authority
- CN
- China
- Prior art keywords
- power supply
- module
- control module
- resistor
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a portable screen-throwing television which works stably, relating to the technical field of televisions, comprising a photovoltaic power supply module which is used for photovoltaic power supply; the intelligent control module is used for controlling the module to work; the super capacitor energy storage module is used for boosting and controlling energy storage; the power supply detection module is used for providing direct current electric energy and detecting the power supply condition of the electric energy; the electric energy logic control module is used for voltage sampling, comparison and logic operation control; the discharge control module is used for controlling discharge; the power supply adaptation control module is used for voltage stabilization regulation and providing required electric energy for the output module; and the near field communication module is used for screen projection control. The utility model discloses portable stable work can throw screen TV and adopt super capacitor energy storage module to carry out the rapid storage to the electric energy of photovoltaic power module output, realize the complementary power supply of power supply detection module and discharge control module by electric energy logic control module, power adaptation control module avoids the voltage jump, and near field communication module accomplishes and throws the screen control.
Description
Technical Field
The utility model relates to a TV technical field specifically is a screen TV can be thrown to portable stable work.
Background
Along with the progress and development of science and technology, televisions are continuously developing towards large screens and intelligentization, but the cost of the televisions also increases, so that the televisions cannot be widely accepted by people, most of existing intelligent televisions can realize the playing of required videos through network connection, a few intelligent televisions are carried for realizing, a storage battery power supply mode is adopted, the condition of movable work is provided for the televisions through the control of a microcontroller circuit, but the mode can only be charged in advance through a mains supply, the cruising ability is low, the control of electric energy and unstable charging and discharging are realized through complex software programming, the damage of the televisions is easily caused for a long time, meanwhile, most network equipment is serious in power consumption, the normal use cannot be realized, the use experience of the intelligent televisions is reduced, and therefore the improvement is needed.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a portable screen TV that can throw of stable work to solve the problem that proposes among the above-mentioned background art.
According to the embodiment of the utility model provides an in, this portable screen TV that can throw of stable work includes: the system comprises a photovoltaic power supply module, an intelligent control module, a super capacitor energy storage module, a discharge control module, a power supply detection module, an electric energy logic control module, a power supply adaptation control module and an output module;
the photovoltaic power supply module is used for converting light energy into electric energy through a photovoltaic power supply circuit;
the intelligent control module is used for outputting a pulse signal and controlling the work of the super capacitor energy storage module;
the super-capacitor energy storage module is connected with the photovoltaic power supply module and the intelligent control module, is used for receiving the pulse signal, performs DC-DC regulation through a booster circuit, and is used for providing charging voltage for the super-capacitor circuit;
the power supply detection module is used for providing main direct current electric energy for the power supply adaptation control module through the main power supply circuit, detecting the power supply condition of the main power supply circuit and outputting a first level signal;
the electric energy logic control module is connected with the power supply detection module and the output module, is used for sampling voltage of the output module, is used for judging electric quantity of a sampled signal through an electric quantity comparison circuit and outputting a second level signal, and is used for performing logic operation on the first level signal and the second level signal and outputting a control signal;
the discharge control module is connected with the electric energy logic control module and the super capacitor energy storage module and is used for receiving the control signal and controlling the discharge work of the super capacitor energy storage module;
the power supply adaptation control module is connected with the discharge control module and the power supply detection module and is used for receiving the electric energy output by the power supply detection module and the discharge control module and carrying out DC-DC voltage stabilization regulation;
the output module is connected with the power supply adaptation control module, and is used for storing the electric energy output by the power supply adaptation control module through the energy storage circuit and providing the required electric energy for the television.
Preferably, the portable stably-operating screen-projectable television further comprises a near field communication module;
the near field communication module is used for establishing a communication network and controlling the intelligent control module to realize interactive connection with the mobile terminal;
the near field communication module is connected with the intelligent control module and the output module.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses screen television can be thrown to portable stable work adopts super capacitor energy storage module to carry out the fast storage to the electric energy of photovoltaic power module output, and by electric energy logic control module control discharge control module output electric energy, need not software programming alright realize the switching control of switch, realize power supply detection module and the complementary power supply of discharge control module, improve energy storage circuit's duration, and cooperation power adaptation control module avoids the electric energy to take place the jump, improve circuit's security and the life-span of TV set, under the condition that the power is not enough, can adopt near field communication module to make intelligent control module and mobile terminal establish communication network so that realize interactive connection, accomplish and throw screen control, reduce the consumption of electric energy. And the control structure of the circuit is simple and easy to implement and has low cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a portable stably-operating screen-projection television according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a portable stably-operating screen-projectable television provided by an example of the present invention.
Fig. 3 is a connection circuit diagram of an electric energy logic control module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
specifically, the photovoltaic power supply module 1 is configured to convert light energy into electric energy through a photovoltaic power supply circuit;
the intelligent control module 2 is used for outputting a pulse signal and controlling the work of the super capacitor energy storage module 3;
the super-capacitor energy storage module 3 is connected with the photovoltaic power supply module 1 and the intelligent control module 2, is used for receiving the pulse signal, performs DC-DC regulation through a booster circuit, and is used for providing charging voltage for the super-capacitor circuit;
the power supply detection module 5 is used for providing main direct current electric energy for the power supply adaptation control module 7 through a main power supply circuit, detecting the power supply condition of the main power supply circuit and outputting a first level signal;
the electric energy logic control module 6 is connected with the power supply detection module 5 and the output module 8, and is used for sampling voltage of the output module 8, judging electric quantity of the sampled signal through an electric quantity comparison circuit, outputting a second level signal, performing logic operation on the first level signal and the second level signal, and outputting a control signal;
the discharge control module 4 is connected with the electric energy logic control module 6 and the super capacitor energy storage module 3 and is used for receiving the control signal and controlling the discharge work of the super capacitor energy storage module 3;
the power supply adaptation control module 7 is connected with the discharge control module 4 and the power supply detection module 5, and is used for receiving the electric energy output by the power supply detection module 5 and the discharge control module 4 and carrying out DC-DC voltage stabilization regulation;
and the output module 8 is connected with the power adaptation control module 7, and is used for storing the electric energy output by the power adaptation control module 7 through an energy storage circuit and providing required electric energy for the television.
Further, the portable stably-working screen-throwable television further comprises a near field communication module 9;
specifically, the near field communication module 9 is configured to establish a communication network and control the intelligent control module 2 to implement an interactive connection with a mobile terminal;
the near field communication module 9 is connected to the intelligent control module 2 and the output module 8.
In a specific embodiment, the photovoltaic power supply module 1 may employ a photovoltaic power supply circuit to convert light energy into electric energy; the intelligent control module 2 can adopt microcontrollers such as but not limited to a DSP, a singlechip and the like to realize the control of the module and the connection control of a network; the super capacitor energy storage module 3 can adopt a booster circuit and a super capacitor circuit, the booster circuit performs DC-DC regulation on the input electric energy, and the super capacitor circuit performs electric energy storage; the discharge control module 4 can adopt a power switch circuit to control the output of electric energy; the power supply detection module 5 can adopt a main power supply circuit and an electric energy judgment circuit, the main power supply circuit provides main direct current electric energy, and the electric energy judgment circuit judges whether the main power supply circuit supplies power normally; the electric energy logic control module 6 can adopt an electric quantity comparison circuit and a logic control circuit, the electric quantity comparison circuit performs voltage sampling and electric quantity comparison on the electric energy of the output module 8, and the logic control circuit controls the work of the discharge control module 4; the power supply adaptation control module 7 can adopt a DC-DC regulating circuit to complete DC-DC voltage stabilization regulation of input electric energy; the output module 8 can adopt an energy storage circuit and an output circuit, the energy storage circuit performs charge and discharge control, and the output circuit provides electric energy for the television; the near field communication module 9 can adopt a technology of combining i Beacon communication and WiFi communication to realize full coverage of the mobile device in the environment, so that the mobile terminal can establish an interaction channel with the intelligent control module 2 to complete screen projection control, and details are not specifically given.
It should be noted that the intelligent control module 2 completes the boost control of the super capacitor energy storage module based on the output electric quantities of the photovoltaic power supply module 1 and the super capacitor energy storage module 3, which is not described herein again.
specifically, the first end of the photovoltaic power supply device is connected with one end of a first capacitor C1 and a collector of a first control tube G1, an emitter of the first control tube G1 is connected with an anode of a third diode D3, a cathode of the third diode D3 is connected with a cathode of a second voltage regulator tube VD2 and is connected with the first end of the super capacitor device through a third inductor L3, the second end of the photovoltaic power supply device, the other end of the first capacitor C1, the anode of the second voltage regulator tube VD2 and one end of a ninth resistor R9 are all grounded, the other end of the ninth resistor R9 is connected with the second end of the super capacitor device, and a gate of the first control tube G1 is connected with the intelligent control module 2.
In a specific embodiment, the first control tube G1 may be an IGBT, and a third diode D3, a third inductor L3, and a second voltage regulator VD2 are used in cooperation to form a boost circuit.
Further, the discharge control module 4 includes a first resistor R1, a first power tube Q1, and a second power tube Q2;
specifically, one end of the first resistor R1 and a source electrode of the first power tube Q1 are both connected to the first end of the super capacitor device, a gate electrode of the first power tube Q1 is connected to the other end of the first resistor R1 and a drain electrode of the second power tube Q2, a source electrode of the second power tube Q2 is connected to the ground, a drain electrode of the first power tube Q1 is connected to the power adaptation control module 7, and a gate electrode of the second power tube Q2 is connected to the electric energy logic control module 6.
In a specific embodiment, the first power transistor Q1 may be a P-channel enhancement MOS transistor for controlling discharge; the second power transistor Q2 may be an N-channel enhancement MOS transistor for controlling the operation of the first power transistor Q1.
Further, the electric energy logic control module 6 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, a first comparator A1, an eighth resistor R8, a second power source VCC2, a tenth resistor R10, a third power source VCC3, and a logic chip U2;
specifically, the first end of fifth resistance R5 is connected output module 8, the other end of fifth resistance R5 connects first comparator A1's inverting terminal and connects the ground end through sixth resistance R6, the homophase end of first comparator A1 connects eighth resistance R8's one end and connects second power VCC2 through seventh resistance R7, the ground end is connected to eighth resistance R8's the other end, logic chip U2's first end is connected to first comparator A1's output and third power VCC3 is connected through tenth resistance R10, logic chip U2's second end and third end are connected respectively power supply detection module 5 and second power tube Q2's grid.
In a specific embodiment, the fifth resistor R5 and the sixth resistor R6 form a resistor divider circuit, and are configured to sample the voltage of the output module 8; the seventh resistor R7, the eighth resistor R8 and the second power supply VCC2 form an electric quantity threshold value, and the electric quantity is judged by matching with the first comparator A1; the first comparator A1 can be an LM393 comparator; the logic chip U2 may be an and logic, the specific type is not limited, and only when the first end and the second end of the logic chip U2 both input "1", the third end outputs "1".
Further, the power supply detection module 5 includes a main power supply device, a first diode D1, a third resistor R3, a first optocoupler U3, a fourth resistor R4, and a first power supply VCC1;
specifically, the positive pole of first diode D1 is connected to main power supply unit's first end, and main power supply unit's second end passes through third resistance R3 and connects the first end of first opto-coupler U3, and the ground end is connected to the second end of first opto-coupler U3, and the third end of first opto-coupler U3 is connected logic chip U2's second end connects first power VCC1 through fourth resistance R4.
In a specific embodiment, the main power supply device is used for providing main direct current electric energy, and the main power supply device is obtained by rectifying and filtering the mains voltage through a rectifying and filtering circuit; the first optical coupler U3 may be a PC817 photoelectric coupler.
Further, the power supply adaptation control module 7 includes a second capacitor C2, a first voltage regulator VD1, a first regulator U1, a third capacitor C3, a first inductor L1, a second diode D2, a second inductor L2, a fourth capacitor C4, a fifth capacitor C5, a first potentiometer RP1, and a second resistor R2;
specifically, one end of the second capacitor C2, the cathode of the first voltage regulator tube VD1, one end of the first inductor L1, the fourth end and the second end of the first regulator U1 are all connected to the source of the first power tube Q1, the other end of the first inductor L1 is connected to the third end of the first regulator U1 and is connected to the anode of the second diode D2 and one end of the second inductor L2 through the third capacitor C3, the cathode of the second diode D2 is connected to one end of the fourth capacitor C4, one end of the fifth capacitor C5, one end of the first potentiometer RP1 and the output module 8, the fifth end of the first regulator U1 is connected to one end of the second resistor R2, the other end of the first potentiometer RP1 and the slider end, the other end of the second inductor L2, the other end of the fourth capacitor C4 and the other end of the fifth capacitor C5 are all grounded, and the other end of the second capacitor C2 and the first end of the first regulator U1 are all grounded.
In a specific embodiment, the first regulator U1 may be an XL6009 boost controller.
Further, the output module 8 comprises an energy storage device and a television power adapter;
specifically, a first end of the energy storage device is connected to the power adapter of the television and a cathode of the second diode D2, a second end of the energy storage device is grounded, and a third end of the energy storage device is connected to a first end of the fifth resistor R5.
In a specific embodiment, the energy storage device may be selected from, but is not limited to, energy storage devices such as lithium batteries and storage batteries; the above power adapter for a television is a multi-path DC-DC adjusting circuit, and can output multi-path electric energy through a high-frequency transformer in a switching circuit manner to provide a required working voltage for the television, which is not described herein again.
The utility model relates to a screen-throwing portable television with stable work, which is provided with required electric energy by a main power supply device and a discharge control module 4, when the main power supply device is electrified, a first optical coupler U3 is switched on, so that the first end of a logic chip U2 inputs low level, the first logic chip U2 outputs low level, at the moment, a second power tube Q2 and a first power tube Q1 are both cut off, the main power supply device provides electric energy, and a first regulator U1 carries out DC-DC regulation, an energy storage device stores electric energy and provides electric energy for a television power adapter, when the main power supply device is not electrified, the first optical coupler U3 is cut off, the first end of the logic chip U2 inputs high level, if the electric quantity of the energy storage device is higher at the moment, a first comparator A1 outputs low level, the third end of the logic chip U2 also outputs low level, the second power tube Q2 and the first power tube Q1 are cut off, the energy storage device provides electric energy for the television power adapter, when the electric quantity of the energy storage device is lower than a set threshold value and the main power supply device is electroless, the electric energy stored by the super capacitor device is subjected to DC-DC regulation through the first regulator U1 and provides electric energy for the energy storage device and the television power adapter, the portability of the television is guaranteed, meanwhile, the intelligent control module 2 performs boosting processing on the electric energy output by the photovoltaic power supply device by controlling the first control tube G1 to be closed, so that the required electric energy is provided for the super capacitor device, when screen projection control is needed, an i Beacon communication and WiFi communication combined technology adopted by the near field communication module 9 enables the mobile terminal to establish an interaction channel with the intelligent control module 2, interaction control of data is completed, and screen projection control of the intelligent terminal to the television is achieved through specific screen projection software.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (8)
1. A portable screen-projection television with stable work is characterized in that,
this portable screen television that can throw of stable work includes: the system comprises a photovoltaic power supply module, an intelligent control module, a super capacitor energy storage module, a discharge control module, a power supply detection module, an electric energy logic control module, a power supply adaptation control module and an output module;
the photovoltaic power supply module is used for converting light energy into electric energy through the photovoltaic power supply circuit;
the intelligent control module is used for outputting a pulse signal and controlling the work of the super capacitor energy storage module;
the super-capacitor energy storage module is connected with the photovoltaic power supply module and the intelligent control module, is used for receiving the pulse signal, performs DC-DC regulation through a booster circuit, and is used for providing charging voltage for the super-capacitor circuit;
the power supply detection module is used for providing main direct current electric energy for the power supply adaptation control module through the main power supply circuit, detecting the power supply condition of the main power supply circuit and outputting a first level signal;
the electric energy logic control module is connected with the power supply detection module and the output module, is used for sampling voltage of the output module, is used for judging electric quantity of a sampled signal through an electric quantity comparison circuit and outputting a second level signal, and is used for performing logic operation on the first level signal and the second level signal and outputting a control signal;
the discharge control module is connected with the electric energy logic control module and the super capacitor energy storage module and is used for receiving the control signal and controlling the discharge work of the super capacitor energy storage module;
the power supply adaptation control module is connected with the discharge control module and the power supply detection module and is used for receiving the electric energy output by the power supply detection module and the discharge control module and carrying out DC-DC voltage stabilization regulation;
the output module is connected with the power adaptation control module, and is used for storing the electric energy output by the power adaptation control module through the energy storage circuit and providing the required electric energy for the television.
2. The portable steady-state, screen-projectable television of claim 1, further comprising a near field communication module;
the near field communication module is used for establishing a communication network and controlling the intelligent control module to realize interactive connection with the mobile terminal;
the near field communication module is connected with the intelligent control module and the output module.
3. The portable stably-operating projectable screen television of claim 1, wherein the photovoltaic power supply module comprises a photovoltaic power supply device and a first capacitor; the super-capacitor energy storage module comprises a first control tube, a third diode, a second voltage-regulator tube, a third inductor, a ninth resistor and a super-capacitor device;
the first end of the photovoltaic power supply device is connected with one end of a first capacitor and a collector electrode of a first control tube, an emitting electrode of the first control tube is connected with an anode of a third diode, a cathode of the third diode is connected with a cathode of a second voltage stabilizing tube and is connected with the first end of the super capacitor device through a third inductor, a second end of the photovoltaic power supply device, the other end of the first capacitor, the anode of the second voltage stabilizing tube and one end of a ninth resistor are all grounded, the other end of the ninth resistor is connected with the second end of the super capacitor device, and a grid electrode of the first control tube is connected with the intelligent control module.
4. The portable stable-operation screen-throwable television set as claimed in claim 3, wherein said discharge control module comprises a first resistor, a first power transistor, a second power transistor;
one end of the first resistor and a source electrode of the first power tube are connected with a first end of the super capacitor device, a grid electrode of the first power tube is connected with the other end of the first resistor and a drain electrode of the second power tube, a source electrode of the second power tube is connected with a ground end, the drain electrode of the first power tube is connected with the power supply adaptation control module, and the grid electrode of the second power tube is connected with the electric energy logic control module.
5. The portable stable-working screen-throwable television set as claimed in claim 4, characterized in that the power logic control module comprises a fifth resistor, a sixth resistor, a seventh resistor, a first comparator, an eighth resistor, a second power supply, a tenth resistor, a third power supply and a logic chip;
the first end of the fifth resistor is connected with the output module, the other end of the fifth resistor is connected with the inverting end of the first comparator and is connected with the ground end through the sixth resistor, the in-phase end of the first comparator is connected with one end of the eighth resistor and is connected with the second power supply through the seventh resistor, the other end of the eighth resistor is connected with the ground end, the output end of the first comparator is connected with the first end of the logic chip and is connected with the third power supply through the tenth resistor, and the second end and the third end of the logic chip are respectively connected with the grid electrodes of the power supply detection module and the second power tube.
6. The portable stable-working screen-throwable television set as claimed in claim 5, wherein said power supply detection module comprises a main power supply device, a first diode, a third resistor, a first optical coupler, a fourth resistor, a first power supply;
the first end of the main power supply device is connected with the anode of the first diode, the second end of the main power supply device is connected with the first end of the first optical coupler through a third resistor, the second end of the first optical coupler is connected with the ground end, and the third end of the first optical coupler is connected with the second end of the logic chip and is connected with the first power supply through a fourth resistor.
7. The portable television capable of projecting screen and stably operating as claimed in claim 6, wherein the power supply adaptation control module comprises a second capacitor, a first voltage regulator tube, a first regulator, a third capacitor, a first inductor, a second diode, a second inductor, a fourth capacitor, a fifth capacitor, a first potentiometer, and a second resistor;
one end of the second capacitor, the cathode of the first voltage regulator tube, one end of the first inductor, the fourth end and the second end of the first regulator are all connected with the source electrode of the first power tube, the other end of the first inductor is connected with the third end of the first regulator and is connected with the anode of the second diode and one end of the second inductor through the third capacitor, the cathode of the second diode is connected with one end of the fourth capacitor, one end of the fifth capacitor, one end of the first potentiometer and the output module, the fifth end of the first regulator is connected with one end of the second resistor, the other end of the first potentiometer and the slip sheet end, the other end of the second inductor, the other end of the fourth capacitor and the other end of the fifth capacitor are all grounded, and the other end of the second capacitor and the first end of the first regulator are all grounded.
8. The portable stable working projectable screen television of claim 7, wherein the output module comprises an energy storage device and a television power adapter;
the first end of the energy storage device is connected with the television power adapter and the cathode of the second diode, the second end of the energy storage device is grounded, and the third end of the energy storage device is connected with the first end of the fifth resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812263.5U CN218788675U (en) | 2022-10-25 | 2022-10-25 | Portable screen-projection television capable of working stably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222812263.5U CN218788675U (en) | 2022-10-25 | 2022-10-25 | Portable screen-projection television capable of working stably |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218788675U true CN218788675U (en) | 2023-04-04 |
Family
ID=86502235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222812263.5U Active CN218788675U (en) | 2022-10-25 | 2022-10-25 | Portable screen-projection television capable of working stably |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218788675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239895A (en) * | 2023-11-13 | 2023-12-15 | 浙江爱客能源设备有限公司 | Intelligent power supply and distribution system |
-
2022
- 2022-10-25 CN CN202222812263.5U patent/CN218788675U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239895A (en) * | 2023-11-13 | 2023-12-15 | 浙江爱客能源设备有限公司 | Intelligent power supply and distribution system |
| CN117239895B (en) * | 2023-11-13 | 2024-02-23 | 浙江爱客能源设备有限公司 | Intelligent power supply and distribution system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202076807U (en) | Solar charging circuit | |
| CN101867198B (en) | Realizing device and control method for standby battery of mobile phone | |
| CN218788675U (en) | Portable screen-projection television capable of working stably | |
| CN218750378U (en) | Fill electric pile voltage conversion circuit | |
| CN117277525B (en) | Intelligent power control system for charging pile | |
| CN218416207U (en) | Control circuit based on MCU chip | |
| CN115663994A (en) | UPS power supply with uninterrupted power supply | |
| CN111817423A (en) | Photovoltaic power generation system | |
| JP2005287300A (en) | Electric power reduction system for collective housing using solar battery and/or cubicle capable of reducing not only electric power charge but also carbon-dioxide emission amount | |
| CN110932378B (en) | Solar-charged refrigerator | |
| CN102684240A (en) | Management system applied to lithium ion battery and lithium ion battery pack | |
| CN102480145A (en) | Mobile terminal | |
| CN218103595U (en) | Intelligent charging street lamp control circuit | |
| CN203813473U (en) | Photocell intelligent charge/discharge device | |
| CN100377470C (en) | Method for realiznig zero power consumption standby of household appliance power supply by super capacity | |
| CN108631620B (en) | A kind of synchronous rectifying controller having light-load mode and synchronous rectification system | |
| CN115657538A (en) | MCU uninterrupted power supply circuit | |
| CN115776171A (en) | High-reliability starting circuit based on flash chip | |
| CN105329108A (en) | New energy automobile adopting V2H (Vehicle to Home) technology based on solar power generation | |
| CN103855688B (en) | The leakage current protection circuit of battery | |
| CN203086215U (en) | Solar movable power supply | |
| CN215498412U (en) | Double-conversion UPS power supply | |
| CN115021580A (en) | Voltage-stabilizing output power circuit | |
| CN2912105Y (en) | Full automatic wind power coordinating power source | |
| CN216390981U (en) | UART extension receiving circuit capable of realizing enabling control of power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |