TW200302602A - Connector device for cards - Google Patents

Abstract

The present invention relates to a connector device for cards, which can prevent the circuit and the like in the card from damage when the connector device for cards with a metal case is inserted with a card having static charge. To solve the problem, the case 22 is arranged with first, second and third static prevention means 30, 40, 50. The first static charge prevention means 30 is formed by arranging protrusions 31 on the upper part of the case 22. The second static charge prevention means 40 is formed by arranging a pair of protrusions 41 on the left and right terminals of the front part of the case 22. The third static charge prevention means 50 is formed by arranging a cut 51 on the front edge of the case 22. Accordingly, the static charge carried by the card 10 is released from the grounding contact parts 12a to the case 22 instead of from the signal contact part 12c, thereby preventing the IC and memory data in the card 10 from damage.

Description

0) 0) 200302602 Enlightenment (description of the invention should be made clear. The technical field to which the invention belongs, prior art, content, embodiments, and drawings are briefly explained) [Technical Field] The present invention relates to a card connector Device, the card connector device is used to install a memory card with ic or the like embedded therein. [Prior art] In general, as shown in FIG. 13, a connector device for a card in which a small memory card is mounted is provided with a resin case 1, and the case 1 is provided with: The card insertion portion 3 and the plurality of terminals 5 that are in contact with each contact portion 4 of the memory card 2 inserted in the card insertion portion 3. A metal case 6 covering the card insertion portion 3 is mounted on the case 1, and a part of the case 6 is soldered to the ground pattern of the circuit board 7. And if the memory card inserted into the card insertion part is electrostatically charged, or the operator who inserts the card is electrostatically charged, static electricity will be discharged from the contact part of the card to the case when the memory card is inserted or inserted. However, the past Since the shortest distance from each contact to the case is the same, it is impossible to know which contact is discharged to the case. When discharging from the ground contact, it will not affect the memory card and circuit. However, if the signal is discharged from the signal contact portion, a voltage of several thousands to ten thousand volts may be generated on the circuit signal line in the memory card, and the IC in the card or the data recorded in the memory may be destroyed. The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to provide a card connector device having a metal case, which can prevent damage to circuits and the like in a card when a static-charged card is inserted. (2) (2) 200302602 Means for solving the problem of the achievement sheet In order to achieve the above-mentioned object, the connection device of the item i in the scope of patent application of the present invention is characterized by having: · The card insertion part with a card inserted is connected to r, j and each contact part of the card inserted into the card insertion part, and the connection terminal is characterized in that a card covering part is provided and connected to the circuit ground. Metal case, and each contact part has at least one grounding material contact part and signal contact part, and the metal case is provided with a static stopping means, and the signal for the card inserted in the card insertion part is inserted in the metal case. The shortest distance from the contact portion to the housing is greater than the shortest distance from the ground connection to the housing. / The card connector device of the second patent application scope of the present invention is characterized in that: one contact portion is arranged side by side on the Xiao card The contact portions located at the two ends of the 纟 contact 置 in the 5Hia Exposition History in the vertical direction are the contact portions for grounding, and the static electricity prevention means is configured such that the upper part of the casing is at least in the card insertion path. An area facing the two ground contact portions protrudes upward. A card connector device according to item 3 of the scope of patent application of the present invention is characterized in that each of the contact portions The contact portions located at both ends of the contact portions arranged side by side are arranged side by side in a direction perpendicular to the card insertion direction. The contact portions for grounding are provided by the static electricity prevention means. The upper part of the casing is provided with two The protruding portion corresponding to the grounding contact portion and protruding inwardly ′ shortens the shortest distance between each & outlet portion and the two grounding contact portions. The card connector device of item 4 of the scope of patent application of the present invention, Its special 200302602 ι) description of the invention is continued: each contact portion is arranged side by side in a direction perpendicular to the card insertion direction, and the contact portions on both ends of the side by side contact portions are ground contact The means for preventing static electricity is to form a notch on the side edge of the insertion port of the casing opposite to the two ground contact portions of the card in the insertion start state. [Effect of the Invention] According to the first aspect of the scope of patent application of the present invention, According to the invention, since the static electricity prevention means is provided on the casing, the shortest distance from the signal contact portion of the card to the casing is greater than the distance from the ground contact portion to the casing. Distance, so even if the card electrostatically charged, often also enable the release of static electricity from the grounding contact portion is provided on the housing. Therefore, no high voltage is generated on the circuit signal line in the card when static electricity is discharged, which can prevent the circuit or the like in the card from being damaged. According to the invention according to the second aspect of the patent application of the present invention, since the upper surface portion of the case facing upward between the two grounding contact portions located on both ends of the card inserted in the path, the static electricity carried by the card is The card is often released from the grounding contact to the case from the way it is inserted. Therefore, during the insertion process, 'static electricity will not be released from the signal contact of the card to the case, and the circuit inside the card will be prevented from being damaged. . According to the invention in claim 3 of the scope of patent application of the present invention, corresponding to the two grounding contact portions located on both sides of the card, protrusions are provided on the casing to shorten the shortest distance between the peripheral device and the grounding contact portion. Therefore, even when the card is charged with static electricity when inserting the card, static electricity can often be fed from the grounding contact portion to the casing. Therefore, when the static electricity is discharged, the same voltage is not generated on the circuit signal lines in the card, which can prevent the circuits and the like in the card from being damaged. (4) 200302602

mmmM According to the invention in claim 4 of the scope of patent application of the present invention, since the card ^ insert ^ has a notch formed on the side edge portion of the card opposite to the ground contact portions on both ends of the card in the inserted state, so When a person has a card with static electricity, the electric power is released to the side of the insertion side of the case via the μ ground contact portion. Since the high voltage is not generated on the circuit signal line in the card when the # is discharged, the circuit and the like in the card can be prevented from being damaged. [Brief Description of the Drawings] Figure Figure Figure 1 shows the overall plan view of the card connector device of the first embodiment

Fig. 2 is an overall front view showing the card connection as a device according to the fourth embodiment. Fig. 3 is a plan view showing a state where the casing is removed according to the first embodiment. Fig. 4 is an overall side view showing a card connector device according to an i-th embodiment. -Fig. 5 is a sectional view taken along the line lf5_5 of the first embodiment. FIG. 6 is a cross-sectional view taken along the line lf6_6 of the first embodiment. FIG. 7 is a sectional view taken along line 7_7 in FIG. 1 according to the first embodiment. FIG. 8 is a side cross-sectional view showing a card mounting state according to the first embodiment. Figure 9 shows the first! A plan view of a notch portion (third static electricity prevention means) according to the embodiment. Fig. 10 is a rear view showing a case of a protruding portion (i-th static electricity preventing means) according to the first embodiment. FIG. 11 is a plan view showing a case according to a second embodiment. FIG. 12 is a cross-sectional view showing a line of the second embodiment. 200302602

Fig. 13 is a sectional view showing a conventional example. Embodiments ^, ^ ^ ,,,, and 1 to 12 ′ will be described in detail an embodiment of a card connector device that specifically implements the present invention. < First Embodiment > First, the card installed in the card connector device of the i-th embodiment will be described (see Figs. 8 and 10). The card 10 has a rectangular shape, and its structure is at the tree-moon level. The sub 11 includes a circuit board (not shown), and 1C and the like constituting a memory are mounted on the circuit board. A plurality of contact portions 12 are arranged below the front end portion of the card 1G as shown in the figure. In each of the contact portions 12, the contact portions 12 on the left and right ends (the upper and lower ends in the drawing) are ground contact portions i2a, The contact part 12 located in the center is a contact part 12b for power supply, and the other contact part 12 is a contact part 12c for signals. As shown in FIGS. 1-4, the card connector device according to the first embodiment includes a resin case 20 and a metal case 22 covering the case. The case 20 is provided with a card insertion portion 21 into which the card 10 is inserted, and terminals U which come into contact with the plurality of contact portions 12 of the card 10 on the inside thereof. The card insertion portion 21 is formed in a square concave shape on the upper surface, and has a card insertion opening 21a on the right side in FIG. Further, as shown in Fig. 5, the guide surfaces 21b and 21b are formed on the left and right inner wall surfaces. For guiding the card 10 to the insertion position. As shown in FIG. 3, each of the terminals 23 is formed of an elongated elastic piece. Seven terminals are arranged side by side in a direction perpendicular to the card insertion direction in a state where the front end portion thereof projects into the card insertion portion 21. Contacts that are in contact with the contact portions 12 of the card 10 are formed on the front end portion of each terminal 23, which is opposite to the front end portion 200302602

The end portion on the side is drawn from the rear end portion (left end portion in FIG. 3) of the case 20 to the rear, and is soldered to the circuit pattern of the circuit board 24. Of the terminals 23, the two terminals 23 on the left and right sides (upper and lower ends in FIG. 3) are ground terminals, the central terminal 23 is a power terminal 23b, and the other terminals 23 are signal terminals 23c ° Case 22 As shown in FIG. 5, the metal plate is bent into a door shape on the front side to cover the upper surface of the card insertion portion 21, and at the same time, the left and right side plates are arranged along the left and right outer sides of the case 20. In the lower edge portions of the left and right side plates, as shown in the workshop, a total of 4 locations at the front and rear ends (the left and right ends in FIG. 1) protrude along the mounting surface of the circuit board 24 at a right angle, and the protruding portion 22 & Solder to the ground pattern of the circuit board 24. The front edge portion of the outer cymbal 22 is extended forward and left and right, and the upper edge portion is extended obliquely upward. As shown in FIG. 2, a plastic opening and closing door 25 is supported between the left and right side plates and Can turn. The opening and closing door 25 is formed in a horizontal rectangular shape that blocks the card insertion opening 21a. At the same time, the rotation shafts 25a and 25a are protruded and formed at the left and right edges. Within 22b. In addition, in Fig. 2, the torsion coil spring 26 is mounted on the left rotation shaft 25a in front view, and the door 25 is often opened and closed due to the force. The peripheral device 22 further includes a first static electricity prevention means, a second static electricity prevention means 40, and a third static electricity prevention means 50. As shown in FIGS. 1, 4, and 5, the first static electricity prevention means 30 is configured such that a central region of the upper surface portion of the case 22 projects upward. The left edge portion 3 1 a of the protruding portion 31 is, as shown in FIG. 5, located at substantially the same position as the following extension line or slightly outward from this position -10- 200302602 发明 Inventive alcohol (in FIG. 5 (Left), the extension line refers to a line extending upward from the left edge of the left-side ground contact portion 12a of the contact portion 12 of the card 10 in the insertion path from the signal contact portion 12c to The shortest distance A1 of the case 22 is larger than the shortest distance A2 from the ground contact portion 12 a to the case 22. The right edge portion 3 lb of the protruding portion 31 is also the same as the above-mentioned left edge portion 31 a, and is located at substantially the same position as the extension line described below or slightly outward from the position (right side in FIG. 5). 'The extension line is a line extending upward from the right edge of the right-side ground contact portion 12a of the contact portion 12 of the card 10 in the insertion path, and the shortest distance from the signal contact portion 12c to the housing 22. It is larger than the shortest distance A2 from the ground contact portion 12a to the case 22. In addition, as shown in FIG. 7, the shortest distance A1 from the signal contact portion 12 c to the case 22 is greater than from The shortest distance A2 from the ground contact portion 12a to the case 22 extends toward the back. As shown in Figs. 6 and 7, the second static electricity prevention means 40 is formed by forming the left and right end faces of the inclined surface of the upper end portion of the upper case 22 with indentations protruding inward. These protrusions 41 and 41 are formed so as to come into contact with the upper surface of the inserted card 10, and are respectively formed at the same position as an extension line or slightly outside the position (a protrusion on the left side) 4 ^ In the position of the left-to-right protruding portion 41 (to the right), the extension line refers to the outer edge portion of each ground contact portion 12a (the left-side ground contact portion 12a is the left edge portion; The ground contact portion 12a on the right side is a line extending upwardly. That is, in a state where the card 10 is inserted and each contact portion 12 comes directly below each projection 41, the shortest distance B2 from each projection 41 to the ground contact 200302602 ⑻ portion 12a is smaller than each signal contact The shortest distance B1 from 12c to the housing 22. As shown in Figs. 1 and 9, the third static electricity preventing means 50 is formed with a square opening > The left and right edge portions 5ia, 51a (the edge portions on the upper and lower sides in FIG. 9) of the cutout portion 51 are located at substantially the same position as an extension line or slightly outward (the left edge portion 5 1a is the left surface; At the position of the right edge portion 5 1 b is the right side), this extension line refers to the outside of each ground contact portion j2a of the left and right end sides (upper and lower end sides in FIG. 9) of the card 10 in the insertion start state. The edge portion (the left side ground contact portion 12a is the left side edge portion, and the right side ground contact portion 12a is the right side edge portion) is an extended line, from each signal contact portion 12c in the insertion start state to the case 22 The shortest distance ci of the front edge portion is larger than the shortest distance C2 from each ground contact portion Ua to the front edge portion of the case 22. Further, in the insertion start state where the card insertion is started, the card 10 is guided by an opening edge portion of an insertion port 27 provided in a box body in which the card connector device according to the embodiment of the present invention is assembled. The relationship between the shortest distance ci of the k-number contact portion 12c from the front edge portion of the case 22 and the shortest distance C2 from the ground contact portion 12a to the front edge portion of the case 22 remains unchanged. The function of this embodiment will be described below. When a static-charged card 10 or a static-charged operator inserts the card 10 and brings the card 10 close to the card insertion opening 21a, the signal contact portions 12c of the card 10 The shortest distance ci to the case 22 is greater than the shortest distance C2 'from each ground contact 12a to the case 22. Therefore, static electricity will not be released from the signal contact i2c to the case 22, but will be released from the ground contact 12a to the case. 22 (see Figure 9). 200302602 (9) Next, if the card 10 is inserted into the card insertion opening 21a and pushed inwardly ', each of the protrusions 41 contacts the upper surface of the card 10. Here, the shortest distance B2 from each ground contact portion 12a to the protruding portion 41 is smaller than the shortest distance B1 from each signal contact portion 12c to the case 22, so the above-mentioned undischarged static electricity is discharged from the ground contact portion 12a to the protruding portion. 41 on (see Figure 6). · Further, push the card 10 in and install it in the insertion position (see Figure 8). Here, the upper surface of the housing 22 protrudes. In the inserted path, the shortest distance from the contact portion 12c for the signal to the housing 22 is longer than the shortest distance A2 from the ground contact portions 12a to the housing 22. The undischarged static electricity is not discharged from the signal contact portion 12c to the case 22, but is discharged from the ground contact portion 12a to the case 22 (see FIG. 5). In this way, in the above-mentioned embodiment, the notch portion 51 is formed at the front edge portion of the case 22. When the card is inserted, the static electricity carried by the card 10 is often discharged from the ground contact portion 12a to the case 22, so that it can prevent The static electricity is discharged and a high voltage is generated on the circuit signal lines in the card 10, and the IC or memory in the card 10 and the data are destroyed. In addition, in the insertion path of the card 10, since each of the protrusions 41 is in contact with the upper surface of the card · 10, the static electricity carried by the card 1Q is discharged to each of the protrusions 41: therefore, no static electricity is caused in the insertion path due to the discharge of static electricity. The generation of pressure on the circuit number line in the card ι〇 can prevent the work in the card 10. Or memory data # is corrupted. Furthermore, since the upper surface of the case 22 is protruded, static electricity carried by the card is discharged from the ground contact portion 12a to the case 22, so that static electricity is not discharged from the signal contact portion 12c when the card 10 reaches the insertion position. To the case 22-13- 200302602 (ίο) Fateng said that it can cause IC or memory, and can prevent high-voltage data and the like on the signal line in the card 10 from being destroyed. < Second Embodiment > The components σ 卩 which are the same as those in the first embodiment are represented by the same symbols, and detailed descriptions thereof are omitted. As shown in Figure 丨 αι12, in the second embodiment # As a static electricity protection on the case 22 + The electric hand is only formed on the left and right ends of the 60 inward facing surface

The left protruding part 61 in the middle of 12 is the right edge ... The right protruding part ㈣ is the left edge 61b), 6 lb is located at the same position as an extension line, or slightly to the outside, the extension line Refers to the outer edge portion of each ground contact portion 12a of the card 10 located in the insertion path (the left edge portion in the left ground contact portion 12a; the right side ground contact portion 丨 is a pair of right protruding protrusions) The protruding portions 61 and 61 are provided. Each of the protruding portions is formed in a protruding shape so as to contact the upper surface of the inserted card 10, and each of the protruding portions 0 is a line extending upward. The shortest distance 01 from each signal contact portion 12c located in the insertion path to the housing 22 is greater than the shortest distance D2 from each ground contact portion 12a to each ridge portion 61.

In addition, each of the protruding portions 61 extends at least before the card 10 is inserted, and the ground contact portion 12a starts to contact the ground terminal 23a at the position where the shortest distance D from the signal contact portion 12c to the housing 22 is extended. 1 is larger than the shortest distance D2 from the ground contact portion 12 a to the case 22. In this way, since the shortest distance D1 from each signal contact portion 12c in the insertion path to the housing 22 is greater than the shortest distance D2 from each ground contact portion 12a to each protruding portion 61, the card 10 is inserted in the insertion path. The static electricity from the belt is not discharged from the signal contact portion 12c to the housing 22, but always from the ground contact-14 · 200302602

The (π) portion 12 a is released onto the case 22. Therefore, in the path of inserting the card 10, it is possible to prevent a high voltage from being generated on the circuit signal line in the card 10 due to the discharge of static electricity, which may damage the 1C and the memory data in the card 10. In addition, the present invention is not limited to the above-mentioned embodiments. For example, the following changes can be made, and these embodiments also belong to the technical scope of the present invention. (1) In the above-mentioned first embodiment, the configuration method of the first static electricity preventing means 30 is to project the central region of the upper surface portion of the casing 22, but the region may be cut to form an opening. (2) In the above-mentioned first embodiment, before the position where the ground contact portion of the card 10 comes into contact with the ground terminal 23a, the protruding portion 3 丨 extends inward so that the signal contact portion 12c to the case 22 The shortest distance 丨 is larger than the shortest distance A2 from the ground contact portion 12a to the case 22. However, it can be further extended inward or shortened toward the front side (card insertion port side). (3) In the above! In the embodiment, the case 22 is provided with the first static electricity preventing means 30, the second static electricity preventing means 40, and the third static electricity preventing means 50. However, at least one of the first, second, and third static electricity prevention means may be provided. Various changes can be made to the embodiments without departing from the gist of the present invention. Description of Symbols and Symbols 10 Cards 12 Contacts 12a Grounding Contacts 12c Signal Contacts 21 Card Insertion Sections 15-200302602 Viewing Continued (12) 22 Metal Case 23 Terminal 23a Ground Terminal 23c Signal Terminal 30 The first static electricity prevention means 3 1 The protruding part 40 The second static electricity prevention means

41 Protruding part 50 Third static electricity prevention means 51 Notch part 60 Static electricity prevention means 61 Projection part

-16-

Claims (1)

200302602 Patent patent claim 1. A two-piece connector device 'having: a card inserting card for inserting a card, and a plurality of connection terminals respectively contacting a part of the card inserted into the card inserting section, alone'锊 Μ 在于 is provided with a metal housing covering the card insertion portion and connected to the circuit ground, and each of the contact portions has a ground contact portion and a signal contact portion. Externally equipped with anti-static measures, 1 medium ^ 本本 ρ 亍 fork, middle, and middle, inserted into the above card insertion section ": The shortest distance between the signal contact portion of the card and the above casing is greater than 2. 3. 4. 从The shortest distance between the ground contact portion and the case. 1. The connector device for a card, such as the item No. 丨 in the patent application range, wherein the above-mentioned contact portions are arranged side by side perpendicular to the card insertion direction, and the contact portions at both ends of the side-by-side contact portions are arranged side by side The contact portion for grounding is constituted by the above-mentioned static electricity prevention means at the upper part of the casing, and at least in the card insertion path, the area opposing the two contact portions for grounding is projected upward. Such as the scope of patent application! In the connector device for a card, the above-mentioned contact portions are arranged side by side in a direction perpendicular to the card insertion direction, and the contact portions located at both ends of the side by side contact portions are ground contact portions. The structure of the anti-static measures is provided on the upper part of the casing corresponding to the two grounding contact portions, and the convex portion protruding inward shortens the shortest distance between the above casing and the two grounding contact portions. The first card connector device, of which: 200302602 … Touch Shaoya… placed on two sides of the two sides of each of the contact parts provided in this sub-row perpendicular to the card insertion direction. The side edges of the insertion openings between the grounding contact portions Λ form recesses.