Chip structure for printer cartridge

Abstract

The utility model discloses a chip structure used for a printer ink cartridge, comprising a substrate with two mounting surfaces, the substrate is provided with terminal groups on the two mounting surfaces, the terminal groups on the two mounting surfaces are arranged in mirror symmetry, and the terminal groups on the two mounting surfaces are arranged on the substrate. A sub-control unit used for controlling signal and voltage input or output of the terminal set is arranged on one installation face of the substrate. According to the utility model, the terminal group on any mounting surface of the substrate can be coupled with the contact pins on the printer to realize data transmission, and the chip can be well matched with the printer without distinguishing the front and back surfaces during mounting, so that the function disorder caused by the change of the mounting direction is avoided, and the mounting convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chip structure, in particular to a chip structure for printer ink cartridge. BACKGROUND

[0002] Printer is applied more and more widely in the production and life of mankind, and the ink cartridge is one of the important components of the printer, the ink cartridge is loaded with ink, and the chip is arranged on the outside of the ink cartridge, the chip is used to store ink amount information, the terminal is arranged on the chip, and the terminal on the chip is coupled with the stylus on the printer to transmit data, in the prior art, the terminal is only arranged on the front surface of the chip, when installing, the back surface of the chip needs to be attached with the chip mounting place outer wall surface on the ink cartridge, and the front surface of the chip is exposed, so that the chip needs to be distinguished when installing, if the installation direction is opposite, the chip cannot be adapted to the printer, the chip needs to be disassembled and reinstalled, and the installation convenience of the chip is affected. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a chip structure for printer ink cartridge, which can be adapted to the printer without distinguishing the front and back surfaces when installing, thereby improving the installation convenience.

[0004] The utility model discloses a chip structure for printer ink cartridge, which comprises a substrate with two mounting surfaces, a terminal group is arranged on each of the two mounting surfaces of the substrate, the terminal groups on the two mounting surfaces are arranged in mirror image symmetry, and a sub-control unit for controlling the signal and voltage input or output of the terminal group is arranged on one of the mounting surfaces of the substrate.

[0005] The utility model discloses a chip structure for printer ink cartridge, which comprises a substrate with two mounting surfaces, a terminal group is arranged on each of the two mounting surfaces of the substrate, the terminal groups on the two mounting surfaces are arranged in mirror image symmetry, and a sub-control unit for controlling the signal and voltage input or output of the terminal group is arranged on one of the mounting surfaces of the substrate.

[0006] On the basis of the above technical scheme, the utility model can be improved as follows:

[0007] Further, the substrate has a first virtual central axis parallel to the X axis and a second virtual central axis parallel to the Y axis, the first virtual central axis and the second virtual central axis are orthogonal to the center of the substrate, and the terminal groups on the two mounting surfaces of the substrate are arranged in mirror image symmetry along the second virtual central axis.

[0008] Further, at least two positioning holes for cooperating with positioning columns on the ink cartridge when the chip is installed are arranged on the substrate, and the positioning holes are located on the second virtual central axis.

[0009] Further, the positioning hole is formed with an opening communicating with an adjacent side of the substrate on one side, so that the positioning column on the ink cartridge enters the positioning hole from the side of the substrate.

[0010] Further, the terminal group on one mounting surface of the substrate comprises a first data terminal, a first reset terminal, a first clock terminal, a first power terminal and a first ground terminal; the first data terminal and the first reset terminal are located on the upper side of the first virtual central axis and on the left side of the second virtual central axis; the first clock terminal and the first power terminal are located on the lower side of the first virtual central axis and on the left side of the second virtual central axis; and the first ground terminal is located on the lower side of the first virtual central axis and on the right side of the second virtual central axis.

[0011] Further, the terminal group on the other mounting surface of the substrate comprises a second data terminal, a second reset terminal, a second clock terminal, a second power terminal and a second ground terminal; the second data terminal and the second reset terminal are located on the upper side of the first virtual central axis and on the right side of the second virtual central axis; the second clock terminal and the second power terminal are located on the lower side of the first virtual central axis and on the right side of the second virtual central axis; and the second ground terminal is located on the lower side of the first virtual central axis and on the left side of the second virtual central axis.

[0012] Further, each terminal in the terminal groups on the two mounting surfaces of the substrate is provided with a contact part for contacting a stylus on a printer.

[0013] Further, the sub-control unit comprises a sub-control processor and a memory which are electrically connected to each other, the sub-control processor is electrically connected to the terminal group to control signal and voltage input or output of the terminal group; and the memory is used for storing information of ink amount inside the ink cartridge.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] The present application has the following advantages: BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described in detail below in combination with the drawings and specific embodiments

[0017] Fig. 1 It is a schematic diagram of the three-dimensional structure of the chip structure for the printer ink cartridge in the embodiment;

[0018] Fig. 2 It is a schematic diagram of the first terminal group structure on the first mounting surface of the substrate in the embodiment;

[0019] Fig. 3 The schematic view of the second terminal group structure on the second mounting surface of the substrate in the embodiment.

[0020] Reference signs on the drawing: 1-substrate, 2-sub control unit, 3-first positioning hole, 4-second positioning hole, 5-third positioning hole, 6-fourth positioning hole, 7-first virtual central axis, 8-second virtual central axis, 9-first data terminal, 10-first reset terminal, 11-first clock terminal, 12-first power terminal, 13-first ground terminal, 14-second data terminal, 15-second reset terminal, 16-second clock terminal, 17-second power terminal, 18-second ground terminal, 19-first contact part, 20-second contact part, 21-third contact part, 22-fourth contact part, 23-fifth contact part, 24-sixth contact part, 25-seventh contact part, 26-eighth contact part, 27-ninth contact part, 28-tenth contact part. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are further described below in combination with the drawings, and the description of these embodiments is used to help understand the utility model, but does not constitute the limitation of the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Reference Figs. 1 to 3 The embodiment relates to a chip structure for a printer ink cartridge, which comprises a substrate 1, a sub control unit 2 arranged on the substrate 1, and two groups of terminal groups electrically connected with the sub control unit 2; the substrate 1 has two mounting surfaces, the sub control unit 2 is mounted on one of the mounting surfaces of the substrate 1, the two groups of terminal groups are mounted on the two mounting surfaces of the substrate 1 respectively, and the two groups of terminal groups are arranged in mirror symmetry, so that the terminal group on any mounting surface of the substrate 1 can be coupled with a stylus on a printer to realize data transmission; the chip can be well adapted to the printer without distinguishing the front and back surfaces during installation, and function confusion caused by change of the installation direction is avoided.

[0023] Specifically, the substrate 1 is a rectangular plate structure, and according to actual conditions, the substrate 1 can also be other plate structures suitable for being mounted on the ink cartridge, such as a circular plate or a special-shaped plate; in order to facilitate description, the two groups of terminal groups are named as a first terminal group and a second terminal group, the first terminal group is mounted on a front plate surface of the substrate 1, and the second terminal group is mounted on a rear plate surface of the substrate 1, at this time, the front plate surface of the substrate 1 is a first mounting surface, and the rear plate surface of the substrate 1 is a second mounting surface.

[0024] The positioning holes are arranged on the substrate 1 and used for cooperating with the positioning columns on the ink cartridge when the chip is mounted, so that the chip can be positioned and mounted on the ink cartridge, and the terminal groups on any mounting surface of the substrate 1 can be coupled with the stylus on the printer.

[0025] In the embodiment, the four positioning holes are a first positioning hole 3, a second positioning hole 4, a third positioning hole 5 and a fourth positioning hole 6 arranged along the circumference of the substrate 1 in sequence, the first positioning hole 3 and the third positioning hole 5 are opposite, and the second positioning hole 4 and the fourth positioning hole 6 are opposite; the four positioning holes are through holes on the substrate 1 and penetrate through the two mounting surfaces of the substrate 1; the substrate 1 has a first virtual central axis 7 parallel to the X axis and a second virtual central axis 8 parallel to the Y axis, the first virtual central axis 7 and the second virtual central axis 8 are orthogonal at the center of the substrate 1; the first terminal group and the second terminal group are mirror-symmetrically arranged along the second virtual central axis 8; the first positioning hole 3 and the third positioning hole 5 are arranged on the second virtual central axis 8, and the second positioning hole 4 and the fourth positioning hole 6 are symmetrically arranged on the two sides of the second virtual central axis 8, so that the chip can be positioned and mounted on the ink cartridge in both front and back positions, and the installation convenience is improved.

[0026] Each positioning hole is formed with an opening on one side to communicate with the adjacent side edge of the substrate 1, so that the positioning column on the ink cartridge can enter the positioning hole from the side of the substrate 1, and the positioning cooperation can be completed without aligning the positioning hole on the substrate 1 with the positioning column on the ink cartridge when the chip is mounted, and the installation convenience is further improved.

[0027] It should be noted that according to the number of positioning columns on the actual ink cartridge, the number of positioning holes on the substrate 1 can be increased or decreased accordingly, but at least two positioning holes are arranged on the second virtual central axis 8; in the embodiment, the hole diameter of the positioning hole is slightly larger than the column diameter of the positioning column, so that the positioning hole and the positioning column can be smoothly matched.

[0028] The first terminal group includes a first data terminal 9, a first reset terminal 10, a first clock terminal 11, a first power terminal 12 and a first ground terminal 13; wherein the first data terminal 9 and the first reset terminal 10 are located on the upper side of the first virtual central axis 7 and on the left side of the second virtual central axis 8; the first clock terminal 11 and the first power terminal 12 are located on the lower side of the first virtual central axis 7 and on the left side of the second virtual central axis 8; and the first ground terminal 13 is located on the lower side of the first virtual central axis 7 and on the right side of the second virtual central axis 8.

[0029] The second terminal group comprises a second data terminal 14, a second reset terminal 15, a second clock terminal 16, a second power terminal 17 and a second ground terminal 18; wherein the second data terminal 14 and the second reset terminal 15 are located on the upper side of the first virtual center axis 7 and on the right side of the second virtual center axis 8; the second clock terminal 16 and the second power terminal 17 are located on the lower side of the first virtual center axis 7 and on the right side of the second virtual center axis 8; and the second ground terminal 18 is located on the lower side of the first virtual center axis 7 and on the left side of the second virtual center axis 8.

[0030] The first data terminal 9 and the second data terminal 14 are both data terminals with the same structure, and are used for transmitting and receiving data signals between the master control unit on the printer and the sub-control unit 2 on the substrate 1.

[0031] The first reset terminal 10 and the second reset terminal 15 are both reset terminals with the same structure, and are used for transmitting a reset signal from the master control unit on the printer to the sub-control unit 2 on the substrate 1.

[0032] The first clock terminal 11 and the second clock terminal 16 are both clock terminals with the same structure, and are used for transmitting a clock signal from the master control unit on the printer to the sub-control unit 2 on the substrate 1.

[0033] The first power terminal 12 and the second power terminal 17 are both power terminals with the same structure, and are used for transmitting a power voltage from the master control unit on the printer to the sub-control unit 2 on the substrate 1.

[0034] The first ground terminal 13 and the second ground terminal 18 are both ground terminals with the same structure, and are grounded via a grounding contact pin of the printer.

[0035] It should be noted that the number of terminals in the present embodiment can be increased or decreased as needed, but the number of terminals on the two mounting surfaces of the substrate 1 must be equal and mirror-imaged arranged, so that the terminals on any mounting surface of the substrate 1 can be coupled with the contact pins on the printer.

[0036] A contact portion is provided on each terminal, which is a contact area of the contact pin on the terminal when the ink cartridge is mounted on the printer; specifically, a first contact portion 19 is provided on the first data terminal 9, a second contact portion 20 is provided on the first reset terminal 10, a third contact portion 21 is provided on the first clock terminal 11, a fourth contact portion 22 is provided on the first power terminal 12, and a fifth contact portion 23 is provided on the first ground terminal 13; a sixth contact portion 24 is provided on the second data terminal 14, a seventh contact portion 25 is provided on the second reset terminal 15, an eighth contact portion 26 is provided on the second clock terminal 16, a ninth contact portion 27 is provided on the second power terminal 17, and a tenth contact portion 28 is provided on the second ground terminal 18.

[0037] It should be noted that the contact portion is not limited in position on the terminal, and can be in contact with the stylus on the printer, for example, the contact portion can be arranged at the center of the terminal, or the contact portion can be arranged at the corner of the terminal, or the contact portion can be arranged at the edge of the terminal.

[0038] The sub-control unit 2 can be arranged on the first mounting surface or the second mounting surface of the substrate 1, and in the embodiment, the sub-control unit is arranged on the first mounting surface of the substrate 1; the specific position of the sub-control unit on the mounting surface of the substrate 1 is not limited, for example, the sub-control unit can be arranged at the corner of the substrate 1, or the sub-control unit can be arranged at the center of the substrate 1, or the sub-control unit can be arranged at the edge of the substrate 1; those skilled in the art can arrange according to the specific design requirements, and will not be repeated here.

[0039] The sub-control unit 2 includes a sub-control processor and a memory which are electrically connected to each other; in the embodiment, the sub-control processor is a CPU, the sub-control processor is electrically connected to each terminal, and controls the signal and voltage input to each terminal, or controls the signal and voltage output from each terminal; the memory is used to store the information of the ink amount in the ink cartridge.

[0040] The above embodiments of the utility model are not the limitation of the protection scope of the utility model, and the implementation mode of the utility model is not limited to this, and according to the above content of the utility model, according to the ordinary technical knowledge and conventional means in the art, other various forms of modification, replacement or change of the above structure of the utility model are made without departing from the above basic technical thought of the utility model, and all should fall within the protection scope of the utility model.

Claims

1. A chip structure for a printer cartridge, characterized by, The substrate includes two mounting surfaces, each of which is provided with a terminal group, and the terminal groups on the two mounting surfaces are arranged in mirror symmetry, and the substrate is provided with a sub-control unit on one of the mounting surfaces for controlling the signal and voltage input or output of the terminal group.

2. The chip structure for a printer cartridge according to claim 1, characterized by, The substrate has a first virtual central axis parallel to the X axis and a second virtual central axis parallel to the Y axis, and the first virtual central axis and the second virtual central axis are orthogonal at the center of the substrate; The terminal groups on the two mounting surfaces of the substrate are arranged in mirror symmetry along the second virtual central axis.

3. The chip structure for a printer cartridge according to claim 2, wherein, The substrate is provided with at least two positioning holes for cooperating with positioning columns on the ink cartridge during chip mounting, and the positioning holes are located on the second virtual central axis.

4. The chip structure for a printer cartridge according to claim 3, wherein, The positioning holes are formed with openings on one side to communicate with the adjacent side edges of the substrate, so that the positioning columns on the ink cartridge enter the positioning holes from the side of the substrate.

5. The chip structure for a printer cartridge according to claim 2, wherein, The terminal group on one mounting surface of the substrate includes a first data terminal, a first reset terminal, a first clock terminal, a first power terminal and a first ground terminal; the first data terminal and the first reset terminal are located on the upper side of the first virtual central axis and on the left side of the second virtual central axis; the first clock terminal and the first power terminal are located on the lower side of the first virtual central axis and on the left side of the second virtual central axis; and the first ground terminal is located on the lower side of the first virtual central axis and on the right side of the second virtual central axis.

6. The chip structure for a printer cartridge according to claim 2, wherein, The terminal group on the other mounting surface of the substrate includes a second data terminal, a second reset terminal, a second clock terminal, a second power terminal and a second ground terminal; the second data terminal and the second reset terminal are located on the upper side of the first virtual central axis and on the right side of the second virtual central axis; the second clock terminal and the second power terminal are located on the lower side of the first virtual central axis and on the right side of the second virtual central axis; and the second ground terminal is located on the lower side of the first virtual central axis and on the left side of the second virtual central axis.

7. The chip structure for a printer cartridge according to claim 2, wherein, Each terminal in the terminal groups on the two mounting surfaces of the substrate is provided with a contact portion for contacting a stylus on the printer.

8. The chip structure for a printer cartridge according to any one of claims 1 to 7, wherein The sub-control unit includes a sub-control processor and a memory electrically connected to each other, the sub-control processor is electrically connected to the terminal group to control the signal and voltage input or output of the terminal group; and the memory is used to store the information of the ink amount inside the ink cartridge.

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