Chip and consumable box used for being connected with printer

By designing a new ejector pin structure and protection circuit, the problem of poor contact between printing consumables and the printer was solved, achieving stable electrical connection and short-circuit protection, thus improving the reliability of the equipment.

CN223812430UActive Publication Date: 2026-01-20HANGZHOU CHIPJET TECH CO LTD
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Patent Information

Application Number
CN202520172674.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2026-01-20
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

The current assembly of printing consumables and printers cannot guarantee precise contact, resulting in poor contact between the chip and the printer, which affects the reliability of electrical connections.

Method used

A novel ejector pin structure is designed, comprising multiple ejector pins fixed to a circuit board and electrically connected to the circuit structure. The ejector pins protrude from the circuit board to abut against the spring arm, ensuring effective contact, and protecting the chip and printer from short-circuit damage through protective circuitry.

Benefits of technology

It achieves a stable electrical connection between the chip and the printer, improves the reliability of the electrical connection, and protects the chip and printer in the event of a short circuit, thus extending the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a chip used for being connected with a printer and a consumable box. The chip comprises a circuit board, the circuit board comprises a substrate, a circuit structure and a wafer, the wafer and a circuit are arranged on the substrate, and the circuit structure is electrically connected to the wafer; and the ejector pin structure comprises a plurality of ejector pins which are arranged at preset intervals, the ejector pins are fixed on the circuit board and electrically connected to the circuit structure, and the ejector pins protrude out of the circuit board and are used for abutting against the corresponding elastic arms. The chip can keep effective contact with the printer.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printer consumables, in particular to a chip for connecting a printer and a consumable box. BACKGROUND

[0002] In order to prolong the service life of a printer, a replaceable printing consumable is often designed, and a chip for connecting a printer can be included in the printing consumable to enable data communication.

[0003] A common chip includes a circuit substrate and a circuit pattern printed on the surface of the circuit substrate, and the circuit pattern includes a contact point for contacting a printer.

[0004] Due to dimensional deviations in actual manufacturing of the printing consumable, deformation or wear of the spring sheet of the printer after long-term use, loose fit for easy installation, and the like, assembly of the printing consumable and the printer cannot be guaranteed to be accurate to the millimeter, which can cause poor contact of the chip with the printer. SUMMARY

[0005] Therefore, it is necessary to provide a chip for connecting a printer and a consumable box in view of the problem of how to reliably work the chip.

[0006] In one aspect, the present application provides a chip for connecting a printer, the printer including a plurality of spring needles arranged in sequence according to a predetermined interval, the spring needle including a spring arm and a spring sheet arranged at the end of the spring arm, and the chip includes: a circuit board including a substrate, a circuit structure, and a wafer, the wafer and the circuit being arranged on the substrate, and the circuit structure being electrically connected to the wafer; and a thimble structure including a plurality of thimbles arranged according to a predetermined interval, the thimbles being fixed to the circuit board and electrically connected to the circuit structure, the thimbles protruding from the circuit board, and the thimbles being used to abut against corresponding spring arms.

[0007] By arranging the novel thimble structure, the spring arm can be well contacted, and the electrical connection between the chip and the printer can be realized while maintaining effective contact.

[0008] In some embodiments, the substrate has a first surface facing the printer and a second surface facing away from the printer, the substrate is provided with a through hole region, and the circuit structure includes a plurality of terminals arranged on the second surface; the thimble structure further includes a thimble plate, the plurality of thimbles are fixed to the thimble plate, the thimble includes a protruding portion and a connecting portion electrically connected to the protruding portion, the connecting portion is fixed to the circuit board and electrically connected to the corresponding terminal, and the protruding portion penetrates through the through hole region and protrudes from the first surface.

[0009] In this way, the thimble structure has good structural strength, and the connection strength between the thimble structure and the circuit board is good.

[0010] In some embodiments, the circuit structure comprises two rows of terminals respectively located on two sides of the via region; the ejector pin comprises two connecting portions respectively located on two sides of the protruding portion, and the connecting portions are welded to the corresponding terminals.

[0011] In this way, the connection strength of the ejector pin can be improved, and the reliability of the electrical connection can be improved.

[0012] In some embodiments, the plurality of terminals comprises high-voltage terminals, detection terminals, and low-voltage terminals; the circuit structure comprises a protection circuit, and the protection circuit is arranged on the first surface, a first part of the protection circuit is located between the high-voltage terminals and the detection terminals, and the protection circuit is electrically connected to the low-voltage terminals.

[0013] In this way, after the chip is connected to the printer, the printer can calibrate the chip; at least during the calibration process, the chip and the printer can be protected, and damage to the chip or the printer caused by a short circuit at the high-voltage terminals can be avoided.

[0014] In some embodiments, the substrate comprises a partition strip that divides the via region, and the first part is arranged on the partition strip.

[0015] In this way, the first part can extend through the via region, and the first part completely separates two adjacent ejector pins or two adjacent terminals in the arrangement direction of the ejector pins; in addition, the partition strip has high structural strength and can better support the first part.

[0016] In some embodiments, a second part of the protection circuit extends between the plurality of terminals and the wafer.

[0017] In this way, generally, after the chip is installed in the printer, the protection circuit is above the terminals, and a short circuit caused by a drop of liquid above can be detected, and more short circuit situations can be detected.

[0018] In some embodiments, the two outermost terminals of the plurality of terminals are high-voltage terminals, the terminals adjacent to the high-voltage terminals are detection terminals, the plurality of low-voltage terminals between the two detection terminals comprise ground terminals, and the protection circuit is electrically connected to the ground terminals.

[0019] In this way, if the high-voltage terminals and the detection terminals are short-circuited, the short-circuit position can be connected to the ground terminals through the protection circuit, and the chip and the printer can be protected by lowering the voltage through the ground terminals; in addition, the connection of the protection circuit to the ground terminals can also make the protection circuit in a low-voltage state in other situations.

[0020] In some embodiments, the circuit board further comprises a resistor, the resistor is connected in series between the two high-voltage terminals, the two detection terminals are electrically connected through the circuit structure, and the low-voltage terminals are electrically connected to the wafer through the circuit structure.

[0021] In this way, the functions of the chip can be realized, and the layout of the two surfaces of the substrate is reasonable.

[0022] In some embodiments, the pin structure further comprises a protection part between the pin corresponding to the high-voltage terminal and the pin corresponding to the detection terminal, the protection part is electrically connected to the protection line, and the distance between the top end of the protection part and the first surface is smaller than the distance between the top end of the pin and the first surface.

[0023] In this way, the structure of the circuit board is simple and easy to manufacture.

[0024] In some embodiments, the plurality of pins are arranged in a row; the pin structure and the elastic arm form a row of contact parts.

[0025] In this way, the plurality of pin structures are compact, and the substrate is easy to process.

[0026] In another aspect, the present application provides a consumable box, comprising: the chip described above.

[0027] The consumable box of the present application can be reliably installed and electrically connected to the printer. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a schematic exploded view of a printing system according to one or more embodiments;

[0029] Figure 2 is a schematic assembly view of a printing system according to one or more embodiments;

[0030] Figure 3 is a structural schematic view of a circuit board according to one or more embodiments;

[0031] Figure 4 is a schematic front view of a circuit board according to one or more embodiments;

[0032] Figure 5 is a structural schematic view of a pin structure according to one or more embodiments;

[0033] Figure 6 is a structural schematic view of a circuit board according to one or more embodiments;

[0034] Figure 7 is a schematic front view of a circuit board according to one or more embodiments;

[0035] Figure 8 is a structural schematic view of a chip according to one or more embodiments;

[0036] Figure 9 is a structural schematic view of a circuit board according to one or more embodiments;

[0037] Figure 10 schematic front view of a circuit board according to one or more embodiments;

[0038] Figure 11 schematic structural view of a pogo pin structure according to one or more embodiments;

[0039] Figure 12 schematic structural view of a chip according to one or more embodiments;

[0040] Figure 13 schematic front view of a circuit board according to one or more embodiments.

[0041] BRIEF DESCRIPTION OF DRAWINGS 1, substrate; 101, first surface; 102, second surface; 103, via area; 11, spacer; 2, circuit structure; 21, terminal; 211, high voltage terminal; 212, detection terminal; 213, low voltage terminal; 201, first high voltage terminal; 202, second high voltage terminal; 203, first detection terminal; 204, second detection terminal; 205, ground terminal; 206, data terminal; 207, clock terminal; 208, reset terminal; 209, power terminal; 22, protection line; 221, first part; 222, second part; 3, wafer; 4, resistor; 5, pogo pin; 51, protruding part; 52, connecting part; 6, pogo pin plate; 7, protection part;

[0042] 100, circuit board; 200, pogo pin structure; 1000, printing system; 1100, consumable cartridge; 1110, cartridge body; 1120, chip; 1200, printer; 1210, pogo pin; 1211, pogo arm; 1212, pogo piece; 1220, bracket. DETAILED DESCRIPTION

[0043] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced without using some or all of these specific details. In other instances, well-known process steps have not been described in detail in order to avoid obscuring the present application. Accordingly, the specific embodiments disclosed below are illustrative, and not restrictive, of the scope of the present application.

[0044] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0045] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0046] In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. For example, the first high-voltage terminal can also be referred to as the second high-voltage terminal, and the second high-voltage terminal can also be referred to as the first high-voltage terminal. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0047] In the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be flexible connection, or it can be rigid connection in at least one direction; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be directly connected while there is an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. The terms "installation", "setting", "fixing" and the like can be broadly understood as connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] The term "layer" or "region" as used herein refers to a portion of material that includes a certain area and has a certain thickness. A layer can extend horizontally, vertically, and / or along a tapered surface. A layer can be a region of a uniform or non-uniform continuous structure that has a thickness perpendicular to the direction of extension that is no greater than the thickness of the continuous structure. A layer can include multiple layers, which can be stacked or can extend discretely. The shapes of various regions, layers, and their relative sizes and positions in the drawings are merely exemplary and can deviate in practice due to manufacturing tolerances or technical limitations, and can be adjusted in design according to actual needs.

[0049] Reference Figure 1 , Figure 1 A printing system in the present application is shown. For the convenience of description, a space rectangular coordinate system XYZ is established. In an exemplary embodiment, the printing system 1000 includes a consumable cartridge 1100 and a printer 1200, the consumable cartridge 1100 is used to be mounted to the printer 1200, and detachable connection can be achieved.

[0050] The outer structure of the printer 1200 can include a bracket 1220 and a plurality of elastic needles 1210, the elastic needles 1210 are arranged in the bracket 1220 and can be positioned and ensured to perform elastic action. Specifically, the plurality of elastic needles 1210 of the printer 1200 can be arranged along the X-axis direction, and a predetermined interval is provided between two adjacent elastic needles 1210. The elastic needle 1210 includes an elastic arm 1211 and an elastic sheet 1212 arranged at the end of the elastic arm 1211, the elastic arm 1211 can be elastically deformed in the YZ plane so that the elastic sheet 1212 performs elastic action, and the elastic sheet 1212 can be used to contact the contact of the adapter chip to achieve communication between the adapter chip and the printer 1200. As shown in Figure 1 , two adjacent elastic sheets 1212 can have different height positions along the Z-axis direction. In addition, as shown in Figure 1 and Figure 2 , the plurality of elastic needles 1210 are respectively inserted into a plurality of mounting grooves of the bracket 1220, so that the elastic sheet 1212 has a larger deformable degree relative to the elastic arm 1211, and the probability of damage of the elastic sheet 1212 is larger.

[0051] In combination with Figure 2 , as shown, Figure 2 , a printing system 1000 in an embodiment of the present application is shown. After the printing system 1000 consumes a consumable cartridge 1100, the old consumable cartridge 1100 can be removed and replaced with a new consumable cartridge 1100. In an exemplary embodiment, the consumable cartridge 1100 includes a chip 1120. The consumable cartridge 1100 can also include a cartridge body 1110 for mounting the chip 1120, Figure 1A part of the structure of the cartridge 1110 is shown in FIG. 1. The cartridge 1100 can be a common consumable container such as an ink cartridge, a toner cartridge, a carbon powder cartridge, etc. The cartridge 1110 can be mechanically connected to the printer 1200, and the chip 1120 can be electrically connected to the printer 1200 by contacting the contact spring 1210.

[0052] Referring to Figures 3 to 13 , the chip 1120 provided in the present application is used to connect the printer 1200. Exemplarily, the chip 1120 comprises a circuit board 100 and a pogo pin structure 200.

[0053] As shown in Figure 3 and Figure 4 , the circuit board 100 comprises a substrate 1, a circuit structure 2 and a wafer 3. The wafer 3 and the circuit structure 2 are respectively arranged on the substrate 1, and the circuit structure 2 is electrically connected to the wafer 3. The substrate 1 and the circuit structure 2 can be a printed circuit board, and the circuit structure 2 can be a metal wire such as a copper wire.

[0054] Referring to Figure 1 and Figure 5 , the pogo pin structure 200 comprises a plurality of pogo pins 5 arranged in a row according to a predetermined interval. The pogo pins 5 are fixed to the circuit board 100 and electrically connected to the circuit structure 2. In some embodiments, each pogo pin 5 can be fixed to the circuit board 100 individually. The pogo pin 5 can be fixed and electrically connected to the circuit structure 2 at the same time by welding. Figure 2 As shown in , the pogo pin 5 protrudes from the circuit board 100, and the pogo pin 5 is used to abut against the corresponding spring arm 1211, but not the spring sheet 1212.

[0055] In other embodiments, the pogo pin 5 can be adhered to the circuit board 100, and the electrical connection with the circuit structure 2 is achieved.

[0056] When the pogo pin 5 abuts against the spring arm 1211, the pogo pin 5 can be partially sunk into the groove of the bracket 1220. The plurality of pogo pins 5 are arranged in a row along the X-axis direction; and along the Z-axis direction, the pogo pin 5 can be higher than the positions of all the spring sheets 1212, so as to avoid accidental touch. By arranging the novel pogo pin structure 200, the pogo pin 5 can well contact the spring arm 1211, thereby achieving the electrical connection between the chip 1120 and the printer 1200, and maintaining the effective contact.

[0057] Figure 5As shown, the top end of the ejector pin 5 along the Y-axis direction is a circular arc contact surface, and the contact part of the ejector pin 5 and the elastic arm 1211 can be a contact point. The size of the ejector pin 5 protruding relative to the circuit board 100 can be determined according to the fitting size of the cartridge body 1110 and the printer 1200, and the top ends of the ejector pins 5 can be substantially at the same height. Therefore, the contact points formed by the contact of the ejector pins 5 and the elastic arms 1211 are located in the same row. As another embodiment, the top ends of the ejector pins 5 can not be located in the same row, and thus the contact of the ejector pins 5 and the elastic arms 1211 will form multiple rows of contact points.

[0058] Referring to Figure 3 and Figure 4 , the substrate 1 has a first surface 101 facing the printer 1200 and a second surface 102 facing away from the printer 1200. The circuit structure 2 can be mainly on the second surface 102, and the wafer 3 can also be arranged on the second surface 102. The substrate 1 is provided with a through-hole area 103, which can be arranged spaced apart from the wafer 3 along the Z-axis direction. In a mounting state as shown in Figure 2 , the wafer 3 is located above the through-hole area 103.

[0059] The circuit structure 2 includes a plurality of terminals 21 arranged on the second surface 102. Referring to Figure 5 , the ejector pin 5 includes a protruding part 51 and a connecting part 52, and the ejector pin 5 can include two connecting parts 52 arranged on both sides of the protruding part 51 along the Z-axis direction. As an example, at least one connecting part 52 is electrically connected to the protruding part 51. The protruding part 51 can pass through from the second surface 102 to the first surface 101, the connecting part 52 is fixed to the circuit board 100 and electrically connected to the corresponding terminal 21, and the protruding part 51 penetrates the through-hole area 103 and protrudes from the first surface 101. The circuit structure 2 can be as simple as possible on the second surface 102, so that the structure on the first surface 101, i.e., the outer surface, is simple.

[0060] As an example, the connecting part 52 can be a soldering part, and the connecting part 52 is soldered to the terminal 21 by surface mount technology (SMT), which can be specifically by soldering. The through-hole area 103 can be a whole space, or it can be a plurality of discrete holes, for example, one hole is provided with one ejector pin 5. In another aspect, a plurality of through-hole areas 103 can also be configured.

[0061] As an example, the ejector pin structure 200 further includes an ejector pin plate 6, and a plurality of ejector pins 5 are fixed to the ejector pin plate 6, and the ejector pin structure 200 has good structural strength. The ejector pin plate 6 is made of insulating material, so that the plurality of ejector pins 5 can be insulated from each other. The ejector pin structure 200 is connected to the circuit board 100 by multi-point welding, and has good connection strength. As an example, the ejector pin 5 is formed in an integrated structure with the ejector pin plate 6 by an injection molding process, and the assembly is convenient.

[0062] The circuit structure 2 can include two rows of terminals 21 respectively located on both sides of the through-hole region 103 along the Z-axis direction; in another aspect, the circuit structure 2 can be regarded as including one row of terminal pairs, and each terminal pair includes two terminals 21 located on both sides of the through-hole region 103. The thimble 5 includes two connecting portions 52 respectively located on both sides of the protruding portion 51. One thimble 5 is connected to two terminals 21, which can improve the connection strength of the thimble 5. In some embodiments, a pair of terminals 21 can be electrically connected by the thimble 5; in other embodiments, the circuit structure 2 can include a terminal 21 located on one side of the through-hole region 103 along the Z-axis direction, the terminal 21 is electrically connected to the connecting portion 52, and is electrically connected to the protruding portion 51. When the circuit structure 2 includes two rows of terminals 21 respectively located on both sides of the through-hole region 103 along the Z-axis direction, the reliability of the electrical connection can be improved.

[0063] Based on the functional design of the thimble 1210 of the printer 1200, the function of the terminal 21 needs to be adapted. In some embodiments, the plurality of terminals 21 includes two high-voltage terminals 211, two detection terminals 212, and five low-voltage terminals 213 from the outside to the inside. Specifically, the plurality of terminals 21 includes a first high-voltage terminal 201, a first detection terminal 203, a data terminal 206, a clock terminal 207, a ground terminal 205, a reset terminal 208, a power terminal 209, a second detection terminal 204, and a second high-voltage terminal 202 arranged in sequence along the X-axis direction. When the printer 1200 detects the chip 1120, the high-voltage terminals 211 and the detection terminals 212 can work, and the voltage of the low-voltage terminals 213 can be 0V.

[0064] In some embodiments, the circuit board 100 further includes a resistor 4, which can be disposed on the second surface 102. The two surfaces of the substrate 1 are reasonably laid out, and the main functional devices and circuit layouts are on the inner surface, i.e., the second surface 102. The resistor 4 is connected in series between the two high-voltage terminals 211, the two detection terminals 212 are electrically connected through the circuit structure 2, and the low-voltage terminals 213 are electrically connected to the wafer 3 through the circuit structure 2, and the functions of the chip 1120 can be realized.

[0065] Reference Figure 6 and Figure 7 In some embodiments, the circuit structure 2 includes a protection circuit 22, which is disposed on the first surface 101. The first part 221 of the protection circuit 22 is located between the high-voltage terminal 211 and the detection terminal 212, and the protection circuit 22 is electrically connected to the low-voltage terminal 213. Illustratively, the substrate 1 includes a partition strip 11, which penetrates the through-hole region 103 along the Z-axis direction, and the partition strip 11 is used to carry the first part 221, which is beneficial to make the first part 221 extend longer in the Z-axis direction, so as to completely separate the two thimbles 5 adjacent in the X-axis direction. Two or more partition strips 11 can be provided, that is, the circuit board 100 includes at least three through-hole regions 103 at this time.

[0066] Referring to Figure 8 , after the pogo pin structure 200 is fixed to the circuit board 100, the first part 221 is located between the two corresponding protrusions 51. The protection line 22 can include two first parts 221. After the chip 1120 is connected to the printer 1200, the printer 1200 can calibrate the chip 1120. At least during the calibration process, the voltage of the low-voltage terminal 213 can be low, for example, 0V. If the high-voltage terminal 211 is short-circuited with the detection terminal 212, the short-circuit position can be connected to the low-voltage terminal 213 through the protection line 22, and the voltage on the high-voltage terminal 211 and the detection terminal 212 will be divided to the low-voltage terminal 213, avoiding damage to the chip 1120 or the printer 1200 caused by short-circuit at the high-voltage terminal 211, and realizing short-circuit protection.

[0067] The two outermost terminals 21 of the plurality of terminals 21 are high-voltage terminals 211, and the remaining terminals 21 are in the middle. The second part 222 of the protection line 22 can extend to cover all the other terminals 21 between the two high-voltage terminals 211.

[0068] Preferably, the protection line 22 is electrically connected to the ground terminal 205. If the high-voltage terminal 211 is short-circuited with the detection terminal 212, the short-circuit position can be connected to the ground terminal 205 through the protection line 22, and the voltage on the high-voltage terminal 211 and the detection terminal 212 is lowered through the ground terminal 205, which can protect the chip 1120 and the printer 1200. In addition, connecting the protection line 22 to the ground terminal 205 can also make the protection line 22 at low voltage in other situations.

[0069] Referring to Figure 9 and Figure 10 , a pair of terminals 21 can be arranged between the high-voltage terminal 211 and the detection terminal 212, which can also be regarded as a part of the protection line 22, for example, as the first part 221. The circuit board 100 has a simple structure and is easy to manufacture. Referring to Figure 11 , the pogo pin structure 200 further includes a protection part 7 located between the pogo pin 5 corresponding to the high-voltage terminal 211 and the pogo pin 5 corresponding to the detection terminal 212. The protection part 7 and the pogo pin 5 can be metal sheets. The protection part 7 is electrically connected to the protection line 22. Specifically, the protection part 7 can include a body and a pair of connecting parts 52 connected to the pair of terminals 21 shown in Figure 9 .

[0070] The distance between the top end of the protection part 7 and the first surface 101 is smaller than the distance between the pogo pin 5 and the first surface 101. Referring to Figure 12The protection portions 7 can be located in the through hole area 103. Exemplarily, the protection portions 7 can be flush with the first surface 101 along the Y axis. When the protection portions 7 protrude from the first surface 101, the height of the protruding portion is less than the height of the protruding portion of the needle 5. The protection line 22 is electrically connected to the two protection portions 7, and can also be connected to a low-voltage terminal 213, such as a ground terminal 205. During the installation or removal of the consumable box 1100, the protection portions 7 will not collide with the printer 1200. In other embodiments, the protection portions 7 can also protrude from the first surface 101. The protection portions 7 can more effectively detect possible short circuits between two adjacent needles 5, and can also lower the voltage of the short-circuited terminal 21 in time.

[0071] Reference Figure 13 Although the wafer 3 is not shown on the back surface, it can be understood that the wafer 3 is spaced apart from the plurality of terminals 21 along the Z axis. Exemplarily, the second portion 222 of the protection line 22 extends between the plurality of terminals 21 and the wafer 3. Generally, after the chip 1120 is installed in the printer 1200, the protection line 22 is above the terminals 21, which can detect short circuits caused by the downward sliding of the upper liquid drops, and can also detect more short circuit situations. In addition to the inspection stage, the protection line 22 can also achieve some effects in other stages, for example, when the power terminal 209 is short-circuited with the protection line 22 in the printing communication stage, the protection line 22 can also play a certain voltage dividing role.

[0072] The consumable box 1100 of the present application can be reliably installed and electrically connected to the printer 1200 by being provided with the aforementioned chip 1120. The printing system 1000 of the present application works stably and reliably.

[0073] The technical features of each of the embodiments disclosed above can be combined in any manner. In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described, but as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present disclosure.

[0074] In the above disclosed embodiments, unless otherwise specified and limited, the execution order of each step can be parallel, or in different order. The sub-steps of each step can also be executed in staggered manner. The above various forms of flow can be used, and the steps can be reordered, added or deleted, as long as the desired results of the technical solutions provided by the present application can be achieved, and the present application does not limit this.

[0075] The above disclosed embodiments only express several implementation manners of the present application, which are described in a more specific and detailed manner, but cannot be understood as a limitation on the patent protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the patent protection scope required by the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A chip for connecting a printer, the printer comprising a plurality of hammers arranged in series according to a predetermined interval, the hammer comprising a hammer arm and a hammer sheet provided at a distal end of the hammer arm, characterized in that, The chip comprises: a circuit board, the circuit board comprising a substrate, a circuit structure and a wafer, the wafer and the circuit structure being respectively arranged on the substrate, the circuit structure being electrically connected to the wafer; and a thimble structure comprising a plurality of thimbles arranged according to the predetermined interval, the thimbles being fixed to the circuit board and electrically connected to the circuit structure, the thimbles protruding from the circuit board, the thimbles being used for abutting corresponding elastic arms.

2. The chip according to claim 1, characterized in that, The substrate has a first surface facing the printer and a second surface facing away from the printer, the substrate being provided with a through-hole region, the circuit structure comprising a plurality of terminals arranged on the second surface; The thimble structure further comprises a thimble plate, the plurality of thimbles being fixed to the thimble plate, the thimbles comprising a protruding portion and a connecting portion electrically connected to the protruding portion, the connecting portion being fixed to the circuit board and electrically connected to the corresponding terminals, the protruding portion penetrating the through-hole region and protruding from the first surface.

3. The chip of claim 2, wherein, The circuit structure comprises two rows of terminals respectively located on both sides of the through-hole region; The thimbles comprise two connecting portions respectively located on both sides of the protruding portion, the connecting portions being welded to the corresponding terminals.

4. The chip of claim 2, wherein, The plurality of terminals comprises high-voltage terminals, detection terminals and low-voltage terminals; The circuit structure comprises a protection line, the protection line being arranged on the first surface, a first part of the protection line being located between the high-voltage terminals and the detection terminals, the protection line being electrically connected to the low-voltage terminals.

5. The chip of claim 4, wherein, The substrate comprises a partition strip dividing the through-hole region, the first part being arranged on the partition strip.

6. The chip of claim 4, wherein, A second part of the protection line extends between the plurality of terminals and the wafer.

7. The chip of claim 4, wherein The outermost two terminals of the plurality of terminals are the high-voltage terminals, the terminals adjacent to the high-voltage terminals are the detection terminals, and the plurality of low-voltage terminals between the two detection terminals comprise ground terminals, the protection line being electrically connected to the ground terminals; The circuit board further comprises a resistor, the resistor being connected in series between the two high-voltage terminals, the two detection terminals being electrically connected through the circuit structure, and the low-voltage terminals being electrically connected to the wafer through the circuit structure.

8. The chip of claim 4, wherein, The thimble structure further comprises a protection portion, the protection portion being located between the thimbles corresponding to the high-voltage terminals and the thimbles corresponding to the detection terminals, the protection portion being electrically connected to the protection line, the distance between the top end of the protection portion and the first surface being smaller than the distance between the top end of the thimbles and the first surface.

9. The chip according to any one of claims 1 to 8, characterized in that, The plurality of thimbles are arranged in a row; The thimble structure and the elastic arms form a row of contact portions.

10. A consumable cartridge for mounting to a printer, characterized by, The chip comprises: The chip of any one of claims 1 to 9.