CN202679018U - Mobile power supply unit with projection function - Google Patents

Abstract

The utility model discloses a portable power source device with projection function contains a battery unit, a charging unit, a the control unit and a little projection ray apparatus unit. The battery unit is electrically coupled with a charging unit to store an external power supply. The control unit is electrically coupled to the charging unit and a connection interface unit, and includes a charging module, a voltage conversion module and an image encoding/decoding module. A battery power supply of the battery unit is output through the voltage conversion module. The micro-projection optical-mechanical unit is electrically coupled with the control unit to project and display the image signal of the image coding/decoding module. Through the utility model discloses a portable power source device with projection function not only provides electronic equipment supplementary power to come out electronic equipment's screen data projection, provide sound input unit or wireless earphone unit in addition and connect this portable power source device with radio signal.

Description

Mobile power supply unit with projection function

technical field

A mobile power supply device, especially a mobile power supply device that is easy to carry and has a projection function and can supply power to other electronic equipment at any time.

Background technique

For various current portable electronic products such as smart phones, tablet computers, etc., due to the increasing pursuit of fast and user-friendly applications, the products are designed with high-end processors and many sensing elements. These parts It consumes a lot of power during operation, causing these electronic products to need to replenish power at any time.

At present, there are two ways to charge these electronic products. One is to directly connect the transmission line to the electronic product to charge the internal battery; the other is to take out the battery in the electronic product and charge it with a battery charger. All of these methods rely on the charger connected to the mains to be converted into a charging power source with a certain voltage level through voltage change to charge the battery. However, for users who are away from home, these electronic products cannot be charged at any time when the power is exhausted. Moreover, for closed-system electronic products such as iphone or ipad, the battery cannot be taken out and needs to be charged by a transmission line. Therefore Very inconvenient. the

Furthermore, for such portable electronic products, such as smart phones or tablet computers, since the screens are usually not large, if multiple people are required to view the content on the screen at the same time, it will appear too crowded. The invention of the mini projector, also known as the micro projector (micro projector), can solve the above problems. Currently available micro-projectors can be installed in smart phones to display images in the mobile phone on an external large screen, or an independent micro-projector can be connected with the mobile phone.

But this is all very power consuming for mobile phones or micro projectors, and cannot be used for a long time.

Utility model content

In view of this, the main purpose of the present invention is to provide a mobile power supply device with a projection function for supplying electronic equipment with supplementary power and projecting and displaying video signals of the electronic equipment.

In order to achieve the above purpose, the utility model provides a mobile power supply device with projection function, including: a battery unit, which is electrically coupled to a charging unit, and stores external electric energy through the charging unit; a control unit, respectively Sexually coupled to the charging unit and a connection interface unit, and the control unit includes a charging module, a voltage conversion module, an image encoding/decoding module and a first wireless communication module, wherein the battery unit passes through the voltage conversion module output a battery power supply; a micro-projection optical-mechanical unit for projecting and displaying the image signal of the image encoding/decoding module, the micro-projection optical-mechanical unit is electrically coupled to the control unit; a wireless communication unit is electrically coupled to the The first wireless communication module of the control unit receives a wireless signal.

Wherein the connection interface unit is a USB interface or an HDMI interface or an AV out interface or a TV out interface.

Wherein the voltage conversion module converts the power supply voltage, and the voltage conversion module includes an overload protection sub-module to avoid excessive transmission current and a detection sub-module to detect the voltage and current of the electronic equipment.

The first wireless communication module in the utility model has an access point sub-module and a client sub-module.

The wireless signal is Bluetooth, HyperLAN, Triple Play, GSM/GPRS, 3G, 3.5G, 4G, IEEE802.11, IEEE802.3, IEEE 802.15 or Wi-Fi Direct signal.

The wireless communication unit has an antenna unit, and the wireless communication unit is a WIFI, 3G, 4G or Bluetooth communication unit.

The utility model additionally provides a mobile power supply device with projection function, the control unit further includes a sound coding/decoding module, and the sound coding/decoding module includes a 3D sound effect sub-module; the mobile power supply device with projection function is more It includes a sound output unit, the sound output unit includes an amplifier element and a horn element, and the sound output unit is connected to the sound encoding/decoding module of the control unit.

The mobile power supply device with projection function further includes a communication unit connected to the control unit.

The mobile power supply device with projection function further includes an accommodating unit electrically connected to the control unit and accommodating a detachable wireless earphone unit having a second wireless communication module.

The mobile power device with projection function further includes:

a bridge unit electrically coupled to the control unit and the wireless communication unit; and

A storage unit is electrically coupled to the control unit and the bridge unit.

The storage unit is a Nand Flash storage module.

The storage unit includes a memory card insertion terminal for inserting a memory card.

Described storage card is Secure Digital card, Near Field Communication card, Compact Flash card, Smart Media card, Multi Media card or Memory stick card.

The mobile power supply device with projection function of the utility model not only provides supplementary power for electronic equipment, but also projects screen data of electronic equipment, and provides a voice input unit or a wireless earphone unit to connect the mobile power supply device with wireless signals.

The mobile power supply device with projection function of the utility model can output the sound source signal of electronic equipment and has 3D sound effect output effect, and the mobile power supply device with projection function of the utility model can carry out two-way voice transmission with portable communication equipment .

The mobile power supply device with projection function of the present utility model can accommodate a detachable wireless earphone unit, and when the wireless earphone unit is drawn out, it can be used as a Bluetooth earphone communication unit, and can be used as a Bluetooth earphone unit when it is not in use. It is a Bluetooth call unit.

Description of drawings

FIG. 1A is a schematic block diagram of a first preferred embodiment of the present invention;

Fig. 1B is a schematic block diagram of the control unit of the first preferred embodiment;

Fig. 1C is a schematic block diagram of the sound output unit of the first preferred embodiment;

Figure 1D is a schematic diagram of the implementation of the first preferred embodiment;

Fig. 2 is the block diagram of the second preferred embodiment of the utility model;

3A is a schematic block diagram of a third preferred embodiment of the present invention;

Fig. 3B is a schematic diagram of the implementation and operation of the third preferred embodiment of the present invention;

FIG. 4A is a schematic block diagram of a fourth preferred embodiment of the present invention;

Fig. 4B is a schematic diagram of the implementation and operation of the fourth preferred embodiment of the present invention;

5A is a schematic block diagram of a fifth preferred embodiment of the present invention;

Fig. 5B is a schematic diagram of the implementation and operation of the fifth preferred embodiment of the present invention.

Explanation of reference signs

11 control unit

111 charging module

112 voltage conversion module

1121 overload protection secondary module

1122 detection sub-module

113 wireless communication module

1131 access point module

1132 customer sub-module

114 image encoding/decoding module

115 sound encoding/decoding module

116 touch module

12 charging unit

13 battery cells

14 connection interface unit

15 micro-projection light engine unit

17 sound output unit

171 amplifier components

172 speaker components

19 call unit

20 wireless earphone units

201 Second wireless communication module

22 wireless communication unit

221 antenna

23 bridge unit

24 storage units

25 memory card connector

26 memory cards

32 portable devices

31 wireless signal

36 data lines

38 Internet

40 screens.

Detailed ways

The above-mentioned purpose of the utility model and its structural and functional characteristics will be described according to the preferred embodiments of the accompanying drawings.

first preferred implementation

Please refer to FIG. 1A, which is a schematic block diagram of a first preferred embodiment of a mobile power supply device 10 with a projection function according to the present invention. As shown in the figure, it includes: a control unit 11 electrically coupled to a charging unit 12 , a connection interface unit 14 , a micro-projection optical machine unit 15 , a wireless communication unit 22 and an audio output unit 17 , the charging unit 12 is electrically coupled to a battery unit 13 .

The aforementioned connection interface unit 14 is, for example but not limited to, a USB interface, applicable to USB1.0, USB2.0 and USB3.0 transmission protocols or HDMI interface or AV out interface or TV out interface, and the connection interface unit 14 is connected to an external power supply ( Vout) or a computer or a portable electronic device such as iphone or ipad or used to receive audio and video signal sources.

The battery unit 13 receives the external power supply (Vout) to store electric energy, and can output the stored electric energy to a battery power supply (Vbat). The portable electronic device obtains battery power through the connection interface unit 14 . The battery unit 13 is, for example but not limited to, a lithium-ion battery, a lithium-iron battery, a lead-acid battery or a lithium-manganese battery.

The charging unit 12 can receive the external power and output it to the battery unit 13 to charge the battery unit 13 , and when the battery unit 13 is fully charged, the charging unit 12 will send a signal to notify the control unit 11 . And the control unit 11 obtains the battery power (Vbat) of the battery unit 13 through the charging unit 12, and the micro-projection optical machine unit 15, the sound output unit 17 and the wireless communication unit 22 obtain the battery power of the battery unit 13 through the control unit 11 (Vbat). The charging unit 12 is, for example but not limited to, a charging circuit.

The wireless communication unit 22 is electrically coupled to the control unit 11 , and the wireless communication unit 22 has an antenna 221 for receiving a wireless signal. The wireless communication unit 22 is, for example but not limited to, a WIFI, 3G (or 4G) and Bluetooth communication unit. The wireless network signal is for example but not limited to Bluetooth (Bluetooth), HyperLAN, Triple Play, GSM/GPRS, 3G, 3.5G, 4G, IEEE802.11, IEEE802.3, IEEE 802.15, or Wi-Fi Direct signal.

As shown in Figure 1B, the control unit 11 includes a charging module 111, a voltage conversion module 112, a first wireless communication module 113, an image encoding/decoding module (video codec) 114 and a sound encoding/decoding module ( audio codec) 115.

The charging module 111 controls the charging of the battery unit 13 to prevent the battery unit 13 from overcharging. When the external power supply is input, the charging module 111 of the control unit 11 controls to start charging the battery unit 13. When the battery unit 13 After the electric power is fully charged, the charging module 111 of the control unit 11 restricts the external power supply to stop charging the battery unit 13 .

The voltage conversion module 112 converts the input external power supply voltage and the battery power supply voltage output by the battery unit 13. The voltage conversion module 112 includes an overload protection sub-module 1121 to avoid excessive output current, and a detection sub-module 1122, used to detect the voltage and current of the electronic device connected to the connection interface unit 14, and charge the electronic device if it is at a low potential. The voltage conversion module 112 is, for example but not limited to, a voltage conversion circuit.

The first wireless communication module 113 is electrically connected to the wireless communication unit 22, and the first wireless communication module 113 has an access point (Access point; AP) sub-module 1131 and a client (client) sub-module 1132. In the access point (Access point; AP) sub-module 1131 mode, the utility model mobile power supply device 10 can be used as a wireless AP; in the client (client) sub-module 1132 mode, the utility model mobile power supply device 10 is used as a client ( client) to access other wireless APs.

The image encoding/decoding module (Video codec) 114 is to encode/decode the image signal in the audio-visual data from the connection interface unit 14, and transmit the encoded/decoded image signal to the micro projection light Machine unit 15, the format of the image signal is, for example but not limited to, AVI, MP4, RMB, WMA, MKV, Divx, Xvid, MPEG-2, MPEG-4. the

The audio encoding/decoding module (Audio codec) 115 encodes/decodes the audio signal in the audio-visual data from the connection interface unit 14, and transmits the encoded/decoded audio signal to the audio output unit 17 output, the format of the sound signal is for example but not limited to MP3, AC3, AAC, ADPCM, ATRAC, DTS, MP2, Musepack, Ogg Vorbis, WMA. the

The audio coding/decoding module (Audio codec) 115 includes a 3D audio sub-module 1151, which makes the encoded/decoded audio signal form a 3D audio signal and output it to the audio output unit 17.

The micro-projector optical-mechanical unit 15 is used to form the encoded/decoded image signal into an image for output and projection, which includes backlight, optical engine, projection size adjustment, focus adjustment and so on.

As shown in Figure 1 C, the sound output unit 17 is to output the aforementioned sound signal after being encoded/decoded, and it includes an amplifier element 171 and a horn element 172, and the sound signal passes through the amplifier element 171 from the horn element 172 broadcast.

Please refer to Fig. 1D, it is the schematic diagram of the operation of the first preferred embodiment, a portable device 32 such as iphone or android system mobile phone is connected with this connection interface unit 14, and the connection mode such as directly makes the interface of this portable device 32 (not shown among the figure) for example USB interface or HDMI interface or AV out interface or TV out interface are connected with connection interface unit 14, or as shown in this figure, the interface of this portable device 32 (in the figure) is through a data line 36 not shown) and the connection interface unit 14 is connected. The portable device 32 can not only obtain the battery power of the mobile power device 10 through the connection interface unit 14 to achieve the purpose of supplementing power, but also can transfer the interface screen or memory data of the portable device 32 through the connection interface unit 14. (such as text files, pictures, movies or other digital media content), a large-size (such as 40-50 inches) picture 40 is projected through the micro-projector light-engine unit.

Furthermore, if the data data of the portable device 32 is audio data, it can be output and played from the audio output unit 17 .

Second preferred implementation

Please refer to Fig. 2, which is a schematic block diagram of the second preferred embodiment of the mobile power supply device with projection function of the present invention. As shown in the figure, part of the structure of this embodiment is the same as that of the aforementioned first embodiment, so in This will not be described in detail, but the difference between this embodiment and the aforementioned first embodiment is that the mobile power device 10 further includes a phone set 19, which is electrically connected to the control unit 11, and further communicates with the voice The encoding/decoding module 115 is electrically connected, and the communication unit 19 obtains battery power through the control unit 11 .

Mobile power device 10 of the present utility model establishes a wireless communication channel to transmit a voice information such as bluetooth communication channel with a portable communication device such as iphone or android system mobile phone through wireless communication unit 22, when the portable communication device talks , the portable communication device transmits incoming call information to the first wireless communication module 113 of the control unit 11 to the communication unit 19 through the antenna 221 and the wireless communication unit 22 through the Bluetooth communication channel; and the voice information to be transmitted is passed through the communication unit 19 Through the wireless communication module 113, it is transmitted from the wireless communication unit 22 to the portable communication device through the antenna 221, and the voice information received by the portable communication device is transmitted to the communication unit 19 for two-way voice transmission.

Third preferred implementation

Please refer to FIG. 3A, which is a schematic block diagram of a third preferred embodiment of a mobile power supply device with a projection function according to the present invention. As shown in the figure, part of the structure of this embodiment is the same as that of the first embodiment, so here It will not be described again, but the difference between this embodiment and the aforementioned first embodiment is that the mobile power device 10 further includes a receiving unit 21, which is electrically connected to the control unit 11, and a wireless earphone unit 20 (such as a Bluetooth earphone) Can be accommodated in the accommodation unit 21, the wireless earphone unit 20 has a second wireless communication module 201 to receive or transmit wireless signals; the accommodation unit 21 is provided with electrical terminals, and the wireless earphone unit 20 is also provided with electrical terminals Corresponding to the electrical terminals of the receiving unit 21 .

The wireless earphone unit 20 is detachable in a specific feasible implementation, and can be extracted from the accommodation unit 21 on the mobile power supply device 10 as a Bluetooth earphone communication unit, and can be regarded as a bluetooth earphone unit when not in use For the Bluetooth communication unit, the battery power of the battery unit 13 charges the wireless earphone unit 20 through the control unit 11 through the electrical contact between the electrical terminal of the receiving unit 21 and the electrical terminal of the wireless earphone unit 20 .

Please refer to FIG. 3B, which is a schematic diagram of the operation of the third preferred embodiment. A portable device 32 such as an iphone or an android system mobile phone is wirelessly connected with the wireless earphone unit 20 via the second wireless communication module 201 with a wireless signal 31. In the state, a wireless communication channel is established to transmit a voice message, such as a Bluetooth communication channel. When the portable device 32 is talking, the portable device 32 will communicate with the wireless earphone via the second wireless communication module 201 via the Bluetooth communication channel. The unit 20 is connected by communication; and the voice information to be transmitted is transmitted to the portable device 32 through the second wireless communication module 201, and the voice information received by the portable device 32 is transmitted to the wireless earphone unit 20 for two-way voice transmission .

Fourth preferred implementation

Please refer to FIG. 4A, which is a schematic block diagram of a fourth preferred embodiment of a mobile power supply device with a projection function of the present invention. As shown in the figure, part of the structure of this embodiment is the same as that of the aforementioned first embodiment, so it will be described here No more details, but the difference between this embodiment and the aforementioned first embodiment is that the mobile power device further includes: a bridge unit 23, which is electrically connected to the control unit 11 and the wireless communication unit 22; a storage unit 24 , which is electrically connected to the bridge unit 23 and the control unit 11 , the bridge unit 23 and the storage unit 24 obtain battery power through the control unit 11 .

The aforementioned storage unit 24 is used to store data, and is for example but not limited to a Nand Flash storage module. The Nand Flash storage module is composed of a Nand Flash chip, which can be expanded and replaced with the demand to increase the storage capacity. The storage unit 24 The audio-visual data in the control unit 11 can be encoded/decoded by the image encoding/decoding module 114 and the audio encoding/decoding module 115, and the encoded/decoded image signal is transmitted to the micro projection light The computer unit 15 transmits the encoded/decoded audio signal to the audio output unit 17 for output.

The aforementioned bridge unit 23 allows access to data in the storage unit 24 according to a remote signal.

Please refer to FIG. 4B , which is a schematic diagram of the operation of the fourth preferred embodiment. A portable device 32 such as an iphone or an android system mobile phone is wirelessly connected to the mobile power supply device 10 through the Internet 38 with a wireless signal 31, and the wireless signal 31 is passed. The antenna 221 and the wireless communication unit 22 are connected to the bridge unit 23 through the wireless communication module 113 in the control unit 11 , allowing the portable device 32 to freely upload or download data from the storage unit 24 .

Fifth preferred implementation

Please refer to FIG. 5A, which is a schematic block diagram of the fifth preferred embodiment of the mobile power supply device with projection function of the present invention. As shown in the figure, part of the structure of this embodiment is the same as that of the aforementioned fourth embodiment, so it will be described here No more details, but the difference between this embodiment and the foregoing fourth embodiment is: the storage unit 24 includes a memory card insertion terminal 25, which is inserted into a memory card 26, and the memory card insertion terminal 25 is connected to the control The unit 11 and the bridge unit 23 are connected.

The memory card 26 is used to store data, and is for example but not limited to Secure Digital (safety digital, SD) card, Near Field Communication (near field communication) card (NFC), Compact Flash (compact flash memory) (CF) card, Smart Media card (SMC), Multi Media card (MMC, multimedia memory card), Memory stick (MS) card.

The audio-visual data in the memory card 26 can be coded/decoded by the image encoding/decoding module 114 and the audio encoding/decoding module 115 in the control unit 11 via the memory card connector 25, and will be encoded The decoded video signal is transmitted to the micro-projector optical unit 15, and the encoded/decoded audio signal is transmitted to the audio output unit 17 for output.

The aforementioned bridge unit 23 allows access to data in the memory card 26 according to a remote signal.

Please refer to FIG. 5B , which is a schematic diagram of the operation of the fifth preferred embodiment. Therefore, a portable device 32 such as an iphone or an android system mobile phone wirelessly connects the mobile power supply device 10 with a wireless signal 31, and the wireless signal 31 passes through the The antenna 221 and the wireless communication unit 22 are connected to the bridge unit 23 through the wireless communication module 113 in the control unit 11 , allowing the portable device 32 to freely upload or download data from the memory card 26 .

Although the present utility model is disclosed above in terms of implementation, it is not intended to limit the present utility model. Any person familiar with the art may make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be defined by the claims.

Claims (15)

1. portable power source device with projecting function is characterized in that it comprises:

One battery unit, its electric property coupling one charhing unit stores external electric energy through this charhing unit;

One control unit, this charhing unit of its electric property coupling and a connecting interface unit, and this control unit comprises a charging module, a voltage transformation module, one image coding/decoding module and one first wireless communication module, and wherein this battery unit is exported a battery supply via this voltage transformation module;

One little projection light machine unit, with the image signal Projection Display of this image coding/decoding module, this little projection light machine unit this control unit of electric property coupling;

One radio communication unit, the first wireless communication module of its this control unit of electric property coupling, and receive a wireless signal.

2. the portable power source device with projecting function as claimed in claim 1 is characterized in that, described connecting interface unit is USB interface, HDMI interface, AV out interface or TV out interface.

3. the portable power source device with projecting function as claimed in claim 1; it is characterized in that; described voltage transformation module conversion electric power voltage, this voltage transformation module comprise the detecting secondary module of the electric current and voltage of avoiding the excessive overload protection secondary module of transmission current and a detecting electronic equipment.

4. the portable power source device with projecting function as claimed in claim 1 is characterized in that, described the first wireless communication module has an access point secondary module and client's secondary module.

5. the portable power source device with projecting function as claimed in claim 1, it is characterized in that described wireless signal is bluetooth, HyperLAN, Triple Play, GSM/GPRS, 3G, 3.5G, 4G, IEEE802.11, IEEE802.3, IEEE 802.15 or Wi-Fi Direct signal.

6. the portable power source device with projecting function as claimed in claim 1 is characterized in that described radio communication unit has an antenna.

7. the portable power source device with projecting function as claimed in claim 1 is characterized in that, described radio communication unit is WIFI, 3G, 4G or bluetooth communication unit.

8. the portable power source device with projecting function as claimed in claim 1 is characterized in that described control unit more comprises one acoustic coding/decoding module, and this acoustic coding/decoding module has a 3D audio secondary module.

9. the portable power source device with projecting function as claimed in claim 8, it is characterized in that, this portable power source device more comprises a voice output unit, this voice output unit comprises an amplifier element and a loudspeaker element, and this voice output unit connects the acoustic coding/decoding module of this control unit.

10. the portable power source device with projecting function as claimed in claim 1 is characterized in that, this portable power source device more comprises a telephony unit, and this telephony unit connects this control unit.

11. the portable power source device with projecting function as claimed in claim 1, it is characterized in that, this portable power source device more comprises an accomodating unit, this accomodating unit is electrically connected this control unit, and accommodating one removable wireless headset unit, this wireless headset unit has one second wireless communication module.

12. the portable power source device with projecting function as claimed in claim 1 is characterized in that, this portable power source device more comprises:

One bridge unit, this control unit of its electric property coupling and this radio communication unit; And

One storage element, this control unit of its electric property coupling and this bridge unit.

13. the portable power source device with projecting function as claimed in claim 12 is characterized in that, described storage element is Nand Flash storage module.

14. the portable power source device with projecting function as claimed in claim 12 is characterized in that, described storage element comprises the storage card inserting terminal storage card of pegging graft.

15. the portable power source device with projecting function as claimed in claim 14, it is characterized in that described storage card is Secure Digital card, Near Field Communication card, Compact Flash card, Smart Media card, Multi Media card or Memory stick card.

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