CN204189453U - A kind of card type memory and card reader device - Google Patents
A kind of card type memory and card reader device Download PDFInfo
- Publication number
- CN204189453U CN204189453U CN201420639635.1U CN201420639635U CN204189453U CN 204189453 U CN204189453 U CN 204189453U CN 201420639635 U CN201420639635 U CN 201420639635U CN 204189453 U CN204189453 U CN 204189453U
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- type memory
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- card type
- usb interface
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- 239000012634 fragment Substances 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 24
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000035800 maturation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000009385 viral infection Effects 0.000 description 1
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- Techniques For Improving Reliability Of Storages (AREA)
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Abstract
The utility model provides a kind of card type memory and read-write equipment, this card type memory comprises flash chip, main control chip and USB interface, comprise the card of the flash chip described in carrying, main control chip and USB interface, described card face is at least provided with the hard contact be electrically connected with four wires of described USB interface respectively.This read-write equipment comprises and has secondary USB interface housing, described housing is provided with the bayonet socket pulled and pushed for card type memory, in described bayonet socket, be provided with the connection shell fragment corresponding with the hard contact on card type memory, described connection shell fragment connects with the corresponding line of four wires of secondary USB interface respectively.The utility model provides a kind of a kind of card type memory adopting card to carry the form of flash chip and main control chip and USB interface, it realizes specialized equipment Card Reader by the difform metal angle point being arranged on card face, eliminates the potential safety hazard of the equipment using this card type memory.
Description
Technical field
The utility model relates to mobile memory field, and particularly a kind of profile is storer and the card reader of card-like.
Background technology
At present, popular USB flash disk is generally by USB interface, main control chip, FLASH(flash memory), the part such as PCB, pilot lamp and the encapsulation of TJA1020 shell forms.
USB interface (USB (universal serial bus)) is a kind of common interfaces technology being used in PC field, and have the feature of plug and play, the USB interface of USB flash disk is connected with computer, is that responsible data input or output and cut-in operation voltage.
Main control chip mainly connects FLASH(flash memory) chip and USB interface, be responsible for the coordinated management of parts and assign various actions instruction, and making computer automatically can identify USB flash disk, it is USB flash disk " commandant ".
FLASH(flash memory) chip preserves data " warehouse ", after being characterized in power-off, data can not be lost, and can read and write fast, repeatedly again simultaneously, also have low energy consumption and the high characteristic stored.General NAND flash memory, its parameter has: number of pages, page capacity, total volume, v0 bit wide, frequency and manufacturing process.
PCB is exactly the platform linked together by each parts, and pilot lamp generally indicates the duty of USB flash disk.
The principle of work of USB flash disk is when it is connected by mouth by USB with computer, obtain the 5V operating voltage that computer provides, the data input stitch of USB socket is high level simultaneously, and it is low level that data export stitch, connecting computer just sends ready signal to USB flash disk after receiving this high low level signal.Main control chip in USB flash disk just transfers the every terms of information in storer, sends data by USB interface to computer, and computer can be pointed out after receiving and be found new hardware, and after Jin USB flash disk, user can exchange information with computer.
At present, such USB flash disk is because volume is little, capacity is large, easy to use, therefore, use very general, as long as there is the intelligent apparatus of USB interface can use USB flash disk as computer, IPAD, mobile phone, various intelligent instruments etc., utilizes USB flash disk to store data and even utilize USB flash disk to preserve the system files such as operating system, obtain the favorable comment of all circles.
But, USB flash disk Just because of this uses extensively, the occasion used is many, therefore, may in use with serving negative effect, as by computer virus infection, divulge a secret, this will bring very large trouble for using on some intelligent instrumentations or intelligent medical equipment etc., therefore, need to these intelligent instrumentations or the special USB flash disk of intelligent medical equipment configuration, pass through administrative provisions, forbid that these special USB flash disks are in other local use, to protect these intelligent instrumentations or intelligent medical equipment configuration to greatest extent, but can not stop that a general USB flash disk is taken other like this to use, for these intelligent instrumentations or intelligent medical equipment configuration bring hidden danger.
Utility model content
The purpose of this utility model is to overcome the current USB flash disk generally used owing to being general storer, can use on any smart machine with USB interface, and the deficiency caused a hidden trouble when may use in energy instrument and meter or intelligent medical equipment configuration, a kind of card type memory is provided.
The technical solution of the utility model is: a kind of card type memory, comprise flash chip, main control chip and USB interface, flash chip described in described main control chip connects and USB interface, realized smart machine and read and write described flash chip by USB interface; Also comprise the card of the flash chip described in carrying, main control chip and USB interface, described card face is at least provided with the hard contact be electrically connected with four wires of described USB interface respectively.
The utility model provides a kind of a kind of card type memory adopting card to carry the form of flash chip and main control chip and USB interface, it realizes specialized equipment Card Reader by the difform metal angle point being arranged on card face, eliminates the potential safety hazard of the equipment using this card type memory.
Optimal way of the present utility model is: on card, be provided with the various different features such as draw-in groove, makes each card can differ from other card, card file is specially blocked special.Card also arranges NFC chip.Card purposes is expanded.
The utility model also provides a kind of read-write equipment read and write above-mentioned slice memory, this read-write equipment comprises and has secondary USB interface housing, described housing is provided with the bayonet socket pulled and pushed for card type memory, in described bayonet socket, be provided with the connection shell fragment corresponding with the hard contact on card type memory, described connection shell fragment connects with the corresponding line of four wires of secondary USB interface respectively.
Card type memory and smart machine interface can be realized by special read-write equipment.
The following optimal way is also had for read-write equipment:
First in described bayonet socket, be provided with flip flop equipment, described flip flop equipment is corresponding with the draw-in groove that the card of card type memory is arranged.Like this, the card type memory only meeting corresponding draw-in groove just can here use, and other card type memory can not here use, equally, also the read-write equipment matched with this card type memory is only had to use this card type memory, can not using of other.
Secondly also comprise control module, described control module is arranged between described connection shell fragment and four wires of secondary USB interface.Utilize control module, intelligent read card type memory can be realized.
In addition, also comprise memory module, described memory module is connected with described control module, memory module respectively be connected shell fragment and be connected with four wires of secondary USB interface.
Also comprise the communication module with smart device communication, described communication module is connected with described control module, realizes smart machine and is read and write described memory module and the card type memory be arranged in bayonet socket by communication module.Described communication module is wireless communication module.Described communication module is wire communication module.Can make like this when ensure safety with more equipment interface.
Below in conjunction with specific embodiment, the utility model is described in more detail.
Accompanying drawing explanation
Fig. 1 is the utility model card file structural drawing.
Fig. 2 is the functional-block diagram of the utility model card type memory.
Fig. 3 is the topology connections maps in the utility model read-write equipment bayonet socket.
Fig. 4 is the utility model read-write equipment embodiment block scheme.
Embodiment
As shown in Figure 1 and Figure 2, the present embodiment is that a kind of memory storage that arranges in nfc card place is as dodged the card type memory of chip, comprise flash chip, main control chip and USB interface that nfc card sheet is arranged, flash chip described in main control chip connects and USB interface, realized smart machine and read and write described flash chip by USB interface; Also comprise the card 1 of the flash chip described in carrying, main control chip and USB interface, card 1 is the card of the waterside such as a kind of nfc card or other IC-card, and card 1 surface is at least provided with the hard contact 2 be electrically connected with four wires of described USB interface respectively.Like this, smart machine can touch by these four the connection realized with USB interface, current USB interface technology maturation, when the core of original USB flash disk being transplanted to without change in IC-card or other nfc card, do not need to modify to any interface circuit, as long as four hard contacts 2 be exposed to outside card 1 are connected with the line of four in USB interface respectively, then can realize the interface electric signals identical with USB interface electrical specification in these four metal dots, in addition, other card type memory is differed from order to make this card type memory further, shape and the further feature of card 1 can be made full use of, as arranged some irregular draw-in grooves 3 on card card 1, as shown in Figure 1.
The read-write equipment of a kind of basis card type memory above that the present embodiment provides as shown in Figure 3, Figure 4, comprise and there is secondary USB interface housing, this secondary USB interface is the USB interface in order to distinguish above, housing is provided with the bayonet socket pulled and pushed for card type memory, in bayonet socket, be provided with the connection shell fragment 4 corresponding with the hard contact 2 on card type memory, connect shell fragment 4 and connect with the corresponding line of four wires of secondary USB interface 5 respectively.Card type memory when is above inserted into after in bayonet socket, by connecting shell fragment 4, hard contact 2 is connected with secondary USB interface 5 respectively, in fact be exactly that the four line one_to_one corresponding of the USB interface on card 1 with read-write equipment USB interface (secondary USB interface 5) are connected, like this, smart machine just can realize to card type memory by read-write equipment USB interface read-write.
In the present embodiment, the read-write equipment of card type memory can be an intelligent apparatus, exactly a control module is being set between connection shell fragment 4 and four wires of secondary USB interface 5, the use utilizing control module can realize smart machine to store card form.Also comprise memory module in addition, memory module is connected with control module, memory module respectively be connected shell fragment 4 and be connected with four wires of secondary USB interface 5, under control module controls, memory module can store by connecting the data that shell fragment 4 obtains in a storage module, and this can be temporary, also can long-term storage, in addition, can also be used to preserve other useful information etc. in this memory module.In the present embodiment, adopt USB interface to be connected with smart machine as the interface of communication module, utilize USB technology maturation, each instrument and meter and intelligent medical equipment have such interface, do not need to develop in addition.In addition, communication module is realized smart machine and is read and write memory module and the card type memory be arranged in bayonet socket by communication module.Communication module can be that wireless communication module is as bluetooth module, radio-frequency module or other wireless communication module.Communication module can wire communication module, usb interface module as previously mentioned, RS232 interface etc.In order to coordinate card type memory, in described bayonet socket, be provided with flip flop equipment, flip flop equipment is corresponding with the draw-in groove 3 that the card 1 of card type memory is arranged.
Claims (10)
1. a card type memory, comprises flash chip, main control chip and USB interface, and the flash chip described in described main control chip connects and USB interface, realized smart machine and read and write described flash chip by USB interface; It is characterized in that: the card (1) also comprising the flash chip described in carrying, main control chip and USB interface, described card (1) surface is at least provided with the hard contact (2) be electrically connected with four wires of described USB interface respectively.
2. card type memory according to claim 1, is characterized in that: described card (1) is provided with draw-in groove (3).
3. card type memory according to claim 1 and 2, is characterized in that: described card (1) also arranges NFC chip.
4. the read-write equipment according to the arbitrary described card type memory of claims 1 to 3, comprise and there is secondary USB interface housing, it is characterized in that: on described housing, be provided with the bayonet socket pulled and pushed for card type memory, in described bayonet socket, be provided with the connection shell fragment (4) corresponding with the hard contact (2) on card type memory, described connection shell fragment (4) connects with the corresponding line of four wires of secondary USB interface (5) respectively.
5. the read-write equipment of card type memory according to claim 4, it is characterized in that: in described bayonet socket, be provided with flip flop equipment, described flip flop equipment is corresponding with the upper draw-in groove (3) arranged of the card (1) of card type memory.
6. the read-write equipment of the card type memory according to claim 4 or 5, it is characterized in that: also comprise control module, described control module is arranged between described connection shell fragment (4) and four wires of secondary USB interface (5).
7. the read-write equipment of card type memory according to claim 6, it is characterized in that: also comprise memory module, described memory module is connected with described control module, memory module respectively be connected shell fragment (4) and be connected with four wires of secondary USB interface (5).
8. the read-write equipment of card type memory according to claim 6, it is characterized in that: also comprise the communication module with smart device communication, described communication module is connected with described control module, realizes smart machine and is read and write described memory module and the card type memory be arranged in bayonet socket by communication module.
9. the read-write equipment of card type memory according to claim 8, is characterized in that: described communication module is wireless communication module.
10. the read-write equipment of card type memory according to claim 8, is characterized in that: described communication module is wire communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420639635.1U CN204189453U (en) | 2014-10-31 | 2014-10-31 | A kind of card type memory and card reader device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420639635.1U CN204189453U (en) | 2014-10-31 | 2014-10-31 | A kind of card type memory and card reader device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189453U true CN204189453U (en) | 2015-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420639635.1U Expired - Fee Related CN204189453U (en) | 2014-10-31 | 2014-10-31 | A kind of card type memory and card reader device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204189453U (en) |
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2014
- 2014-10-31 CN CN201420639635.1U patent/CN204189453U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 |