CN2532538Y - All-in-one Riser Card - Google Patents

Abstract

The utility model provides an integrative switching card of multiplex, the characteristic is: a circuit board assembly is arranged in a shell body which accords with the size specification of a CF card, a group of containing grooves are arranged on the shell body, and the circuit board assembly is provided with a CF connecting end, a USB connecting end, a shared chip group and a contact terminal group on a single substrate, so that after small silicon discs such as an MS card, an SD card or an MMC card and the like are embedded in the containing grooves of the shell body, the data of the silicon discs are output by the CF connecting end or the USB connecting end, the silicon discs with different specifications can be used for various digital products with a CF card interface or a USB interface, the silicon discs with different specifications can be universal, and the digital products only provided with the CF card interface or the USB interface can also improve the convenience in use.

Description

All-in-one Riser Card

technical field

The utility model relates to an adapter card, in particular to a multi-task integrated adapter card.

Background technique

In recent years, silicon discs have been widely used in the field of IA-Information Appliances and many portable digital products due to their excellent characteristics such as thinness, lightness, high storage capacity, shock resistance, and repeated storage. For example, popular products in the market such as Personal Digital Assistant (PDA), Digital Camera (DSC), and Digital Walkman (MP3 Player) almost all use silicon discs as storage media.

At present, there is no uniform standard and specification for silicon discs in the world. Related products include at least: PCMCIA card, CF card (Compact Flash Card), SM card (Smart Media Card), MMC card (Multi Media Card), MS card (Memory Card) Stick Card), and SD card (Secure Digital Card), etc., are not only diversified but also have their own market advantages.

However, the lack of consistent silicon disc standard specifications may not be a boon for the vast consumer groups. Because this will cause a variety of silicon discs to be unable to achieve effective circulation between various portable digital products, computer systems, and computer peripheral equipment, and it will also cause inconvenience to consumers in use. The choice of using digital products is restricted to a considerable extent. Therefore, how to make several silicon discs of different specifications common, so as to improve the convenience of consumers in using the silicon discs of different specifications, has become an extremely important thinking direction.

In order to make several kinds of silicon discs with different specifications common, the design needs to be based on the silicon disc with a wider range of application, so that other silicon discs can be suitable for the specifications of this type of silicon disc. Positive meaning. Looking at the various silicon discs mentioned above, because CF card is a relatively thin, light and small memory card specification, it also has the characteristics of good data preservation, high reliability and power saving, so it is quite popular in consumer electronics products. Favored, in terms of functions, at least memory cards, data cards, wired and wireless network cards, Bluetooth cards (wireless communication cards), etc. have been developed to make their practicability more extensive. Relatively, more digital products use CF cards as its application specification.

The reason why the author decided to use the CF card specification as the design basis is that in addition to its wide range of functions and practicability, its moderate size is also one of the key considerations. For example, the width×thickness of the CF card size is <43mm×3.3/5(Type I/II)mm> (in the CF card size standard, the standard length is 36mm, but it can also be extended for other purposes, such as : the connector of the telephone line terminal), and the width and thickness of MS card, SD card and MMC card are respectively: <21.5mm×2.8mm>, <24mm×1.4mm>, <24mm×2.1mm>, that is, The space formed by the width and thickness of the CF card specification is sufficient to accommodate MS cards, SD cards and MMC cards. Therefore, the creator decided to adopt the CF card specification as the basis of the utility model design.

Contents of the invention

The technical problem to be solved by the utility model is to provide a multi-function adapter card for the above-mentioned shortcomings of the prior art, so that the silicon disc with the specification of MS card, SD card or MMC card can be supplied with a CF card interface. The use of various digital products with USB or USB interface can make the above-mentioned silicon discs of different specifications common, and digital products with only CF card interface or USB interface can also use MS card, SD card or MMC card specifications. The silicon disc is used as its storage medium to enhance the convenience of use.

The above technical problems of the utility model are achieved by the following technical solutions.

An all-in-one adapter card is characterized in that it includes:

A housing is composed of upper and lower outer covers and a set of accommodation slots. Its appearance width and thickness meet the specifications of CF cards. The front edge of the accommodation slot has a notch and multiple gaps. Extending into the accommodating slot, there are slots that allow MS cards, SD cards and MMC cards to be embedded;

A circuit board assembly, located below the accommodating tank, is provided with a CF connection terminal, a USB connection terminal, a shared chip set and a contact terminal set on a single substrate;

The CF connection end is arranged at the rear end of the substrate relative to the rear of the casing, and is engaged with it when the casing is inserted into the CF slot of the digital product;

The USB connection end is set at the gap between the front end of the substrate and the front edge of the accommodating groove, and the terminal of the USB transmission line is electrically connected with it to transmit signals;

The contact terminal group is located at the position below the substrate relative to the slot, and one of the MS card, SD card and MMC card can be connected to the contact terminal group after being embedded in the slot;

The shared chipset is located on the substrate at the side of the contact terminal group. When one of the aforementioned MS card, SD card, MMC card is connected to the contact terminal group, the shared chipset can read the silicon disc. data, and output the data of the silicon disk through the aforementioned CF connection terminal or USB connection terminal.

In addition to the above-mentioned necessary technical features, the following technical content may also be added during the specific implementation process:

A plurality of positioning shrapnels are arranged on the side of the slot. One of the MS card, SD card and MMC card can be positioned by the positioning shrapnel after being embedded. After positioning, its front edge is aligned with the front edge of the housing to avoid collision.

The notch on the front edge of the housing housing groove is concave arc-shaped. After one of the MS card, SD card and MMC card is inserted, its front end and upper and lower end surfaces protrude outside the concave arc-shaped notch for the user to apply force to its drawn.

An indicator light is arranged on the front end of the casing, and the indicator light protrudes from one of the gaps to indicate the use status.

The utility model multi-work integrated adapter card is provided with a circuit board assembly in a housing conforming to the size specification of the CF card. The housing has a group of accommodation slots, and the circuit board assembly is provided on a single substrate. A CF connection terminal, a USB connection terminal, a common chipset and a contact terminal group, so that small silicon discs such as MS cards, SD cards or MMC cards can be embedded in the housing slots, and then through the CF connection terminal or USB The connection end outputs the data of the above-mentioned silicon disk.

The utility model has the advantages of:

1. Through the above design, silicon discs with MS card, SD card or MMC card specifications can be supplied to various digital products with CF card interface or USB interface, and the aforementioned silicon discs with different specifications can be used in common , and digital products that are only equipped with CF card interface or HSB interface can also use silicon discs with MS card, SD card or MMC card specifications as their storage media to enhance the convenience of use.

2. Among the components of the above-mentioned utility model, the design of the circuit board assembly is also a major breakthrough of the utility model:

In the relevant prior art, for example, the function of the card reader is also used to read the silicon disc, and transmits data by interfacing with the host computer through the USB interface (if the USB interface is configured); the conventional card reader generally presents Box-shaped, the interior needs to include a substrate with a connector (CONNECTER), and a circuit board (PCB) with a chipset and a transmission interface, and the substrate and the circuit board need to be electrically connected. When the silicon disc is embedded After the card reader is connected to the terminal of the connector, the connector transmits the signal to the circuit board through the substrate, and outputs it through the chip set and the transmission interface on the circuit board.

The above-mentioned conventional card reader is externally connected to the host computer, and its volume can be changed at will according to the manufacturer's design, so its internal space is sufficient to accommodate the substrate and circuit board; and the thickness of the utility model must conform to CF If the size of the card specification (3.3/5mm) is provided with a substrate and a circuit board within this thickness, there must be no extra space to allow small silicon discs such as MS cards, SD cards or MMC cards to be embedded. Therefore, when the utility model is designed The substrate and the circuit board must be combined, that is, a circuit board assembly is used to replace the conventional substrate and circuit board.

The utility model utilizes the space pattern of the width of the CF card (43mm, please refer to the previous text) much larger than the width of the MS card, SD card and MMC card (21.5mm, 24mm, 24mm) to design the circuit board assembly. The contact terminal group is set within the width of 24mm, and the rest of the width (about 43-24=19mm) on the substrate is used to set the shared chipset, and the front and rear ends of the substrate are respectively provided with CF connection terminals and USB connection terminals. In this way, The utility model can greatly save the thickness and space by arranging the circuit board assembly of the shared chipset and the contact terminal group on a single substrate, and allows MS cards, SD cards or MMC cards to be embedded in a limited space.

3. The USB interface (universal serial port bus) device was originally intended to facilitate the connection and communication between various digital products and computers. After installing the USB interface on the peripheral equipment and the computer host system, a USB signal transmission line The purpose of data transmission can be achieved. Therefore the setting of the USB connection end of the utility model, except that the silicon disc of MS card, SD card or MMC card specification can supply the various digitized products with CF card interface to use, also can directly interface with the host computer system, as The storage medium of the computer host system is another feature of the present utility model.

4. When the utility model is implemented, a plurality of positioning shrapnels are arranged on the side of the slot of the accommodating groove. When the MS card, SD card or MMC card is embedded, it can be positioned by the positioning shrapnel. After positioning, the MS card, SD card or MMC The front edge of the card is just aligned with the edge of the front edge of the housing, which can avoid collisions and increase its stability.

In the following, a better understanding can be obtained through the detailed description of the preferred embodiments of the present invention and accompanying drawings:

Description of drawings

Fig. 1 is a three-dimensional exploded diagram of the utility model.

Fig. 2 is a perspective view of the appearance of the utility model.

Fig. 3 is a schematic diagram (1) of the use state of the utility model.

Fig. 4 is a schematic diagram (2) of the use state of the utility model.

Detailed ways

As shown in Fig. 1 and Fig. 2, the multi-task integrated adapter card of the present utility model is to arrange a circuit board assembly 20 in a housing 10 conforming to the size specification of CF card, so that MS card 31, SD card 32 or MMC Small silicon discs such as cards (its appearance is similar to SD cards, represented by SD cards in the figure) can be embedded in the housing 10 through the housing 10. in:

The housing 10 is composed of an upper and a lower outer cover 11 and a set of accommodating grooves 12. The front edge of the accommodating groove 12 has a concave arc-shaped notch 13 and a plurality of notches 14, and the notch 13 faces the accommodating groove. 12 is extended to be provided with slot 15, and this slot 15 can allow small-sized silicon discs such as MS card 31, SD card 32 or MMC card to be embedded. After the upper and lower covers of the two outer covers 11 are closed in the accommodating groove 12, the appearance width and thickness of the overall housing 10 conform to the specifications of the CF card.

The aforesaid circuit board assembly 20 is disposed under the receiving slot 12 , and is provided with a CF connection terminal 22 , a USB connection terminal 23 , a common chip set 24 and a contact terminal set 25 on a single substrate 21 .

Please also refer to FIGS. 1-4 below. The above-mentioned CF connection terminal 22 is located at the rear end of the substrate 21 relative to the rear of the housing 10. When the housing 10 is embedded in a digital product 40 such as a PDA (as shown in FIG. 3 ), When the CF slot is used, the CF connection end 22 must be connected with the preset CF interface on the digital product 40 .

The USB connection end 23 is arranged at the notch 14 at the front end of the substrate 21 relative to the front edge of the receiving groove 12, and the terminal of the USB transmission line 231 can be inserted into the notch 14 at the front edge of the housing 10 to be electrically connected to the USB connection end 23 to transmit signals. .

The contact terminal group 25 is located on the base plate 21 relative to the position below the slot 15, and its arrangement state is roughly in two rows. When the MS card 31 is inserted into the slot 15 by the aforementioned notch 13, the original terminals on the MS card 31 can be It is contacted and connected with a row of contact terminal groups 25 located at the rear, and when the SD card 32 or MMC card is inserted into the slot 15 by the notch 13 (as shown in Figure 4), it can be contacted with the row of contact terminal groups 25 positioned at the front connect.

Shared chipset 24 is arranged on the base plate 21 and is positioned at the position of contact terminal group 25 sides, after silicon discs such as aforementioned MS card 31 (Fig. The group 24 can read the data of the silicon disk, and output the data of the silicon disk through the aforementioned CF connection terminal 22 or USB connection terminal 23 .

As shown in Figures 3 and 4, when the utility model is implemented, a plurality of positioning elastic pieces 16 can be arranged on the side of the aforementioned slot 15. After the MS card 31 or SD card 32 is embedded, it can be positioned by the positioning elastic pieces 16. After positioning MS card 31 or SD card 32 front edge line is just aligned with the edge line of housing 10 front edge, to avoid collision; again, the notch 13 of the accommodating groove 12 front edge of aforementioned housing 10 is concave arc shape, after positioning The upper and lower ends of the front end of the MS card 31 or SD card 32 protrude outside the concave arc-shaped notch 13 , which can be applied by the user to pull out the MS card 31 or SD card 32 embedded in the housing 10 . In addition, as shown in FIG. 1 , an indicator light 17 can be added to the front of the housing 10 , and the indicator light 17 protrudes from one of the gaps 14 to indicate the use status.

The names of the above components are determined for the convenience of describing the technical content of the utility model, and are not used to limit the scope of rights of this case; all equivalent conversions and substitutions made according to the spirit of the utility model of the utility model should be within the scope of protection of this case .

Claims (4)

1, a kind of multiplex's one adapter is characterized in that:

One housing, formed by upper and lower two enclosing covers and one group of storage tank, its outward appearance width and gauge meet the specification of CF card, and the storage tank leading edge has a notch and a plurality of breach, and notch extends the slot that is provided with tolerable MS card, SD card and mmc card embedding in storage tank;

One circuit board assembly is located at the storage tank below, is that a CF link, a USB link, co-used chip group and contact terminal set are set on single plate base;

Described CF link is located at the substrate rear end with respect to the housing rear position;

Described USB link is located at the indentation, there of substrate front end with respect to the storage tank leading edge;

Described contact terminal set is located at the position of substrate with respect to the slot below;

Described co-used chip group is located at the position that is positioned at the contact terminal set side on the substrate.

2, multiplex's one adapter according to claim 1, it is characterized in that: the slot side is provided with a plurality of Location resilient pieces.

3, multiplex's one adapter according to claim 1, it is characterized in that: the notch of housing storage tank leading edge is arcs of recesses.

4, multiplex's one adapter according to claim 1, it is characterized in that: the housing front end is provided with a pilot lamp, and this pilot lamp is exposed to a wherein breach, in order to the indication user mode.

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