Wireless Jacquard needle blocks, comb bar devices and warp knitting machines

Abstract

This application relates to a wireless Jacquard needle block, a combing device, and a warp knitting machine. The wireless Jacquard needle block includes a connector, a control circuit, a drive circuit, and yarn guide needles. The connector includes a first power pin, a second power pin, a ground pin, and a signal pin. The control circuit connects to the first power pin, the ground pin, and the signal pin. The drive circuit connects to the second power pin, the ground pin, the control circuit, and the yarn guide needles. The first power pin is used to connect to a first power source powering the control circuit, the second power pin is used to connect to a second power source powering the drive circuit, and the signal pin is used to connect to a control signal. The control circuit outputs a drive signal based on the control signal, causing the drive circuit to control the operation of the yarn guide needles according to the drive signal. The lengths of both the first and second power pins are shorter than the length of the ground pin, enabling a reliable grounding connection to be established before power is connected when connecting to the backplate, effectively addressing transient overvoltages caused by hot-plugging and improving reliability.

Description

Technical Field

[0001] This application relates to the field of textile machinery and equipment, and in particular to a wireless jacquard needle block, a combing device, and a warp knitting machine. Background Technology

[0002] In warp knitting machines, multiple wireless jacquard needle blocks (e.g., a dozen or so wireless jacquard needle blocks) are typically installed in the back plate of the guide bar. Power signals and control signals (e.g., trigger angle signals) are transmitted to each wireless jacquard needle block through the back plate, so that the guide needles on the wireless jacquard needle blocks work together with the groove needles or tongue needles to achieve efficient loop formation.

[0003] However, the reliability of wireless jacquard needle blocks is currently low, which affects knitting. Utility Model Content

[0004] Therefore, it is necessary to provide a highly reliable wireless jacquard needle block, combing device, and warp knitting machine.

[0005] A wireless Jacquard needle block includes: a connector, a control circuit, a drive circuit, and a yarn guide needle; the connector includes a first power pin, a second power pin, a ground pin, and a signal pin; the control circuit is connected to the first power pin, the ground pin, and the signal pin; the drive circuit is connected to the second power pin, the ground pin, the control circuit, and the yarn guide needle.

[0006] The first power pin is used to connect to a first power supply that powers the control circuit, the second power pin is used to connect to a second power supply that powers the drive circuit, the signal pin is used to connect to a control signal, and the control circuit is used to output a drive signal according to the control signal so that the drive circuit controls the yarn guide needle to run according to the drive signal.

[0007] The lengths of the first power pin and the second power pin are both less than the length of the ground pin.

[0008] In one embodiment, the first power pin, the second power pin, and the signal pin are of equal length.

[0009] In one embodiment, the grounding pin is 0.5mm-1mm longer than the first power pin, and / or the grounding pin is 0.5mm-1mm longer than the second power pin.

[0010] In one embodiment, the number of grounding pins is two or more; the connector includes a connecting section, the first power pin, the second power pin and the signal pin are disposed in the connecting section, and the grounding pins are respectively disposed on opposite sides of the connecting section.

[0011] In one embodiment, there are multiple signal pins arranged in pairs side by side; along the length of the connector, the pins are arranged in the following order: ground pin, second power pin, first power pin, each pair of signal pins arranged side by side, and ground pin.

[0012] In one embodiment, the signal pins include a first signal pin, a second signal pin, a third signal pin, a fourth signal pin, a fifth signal pin, and a sixth signal pin; along the width direction of the connector, the first signal pin and the second signal pin are arranged side by side as a group of signal pins, the third signal pin and the fourth signal pin are arranged side by side as a group of signal pins, and the fifth signal pin and the sixth signal pin are arranged side by side as a group of signal pins;

[0013] The connector includes a first side and a second side disposed opposite to each other along the length direction; the distance between the first power pin and the first side is equal to the distance between the fifth signal pin and the first side, and less than the distance between the remaining pins and the first side;

[0014] The distance between the second signal pin and the second side is equal to the distance between the sixth signal pin and the second side, and less than the distance between the remaining pins and the second side;

[0015] The distance between the first signal pin and the first side is greater than the distance between the third signal pin and the first side, but less than the distance between the fourth signal pin and the first side.

[0016] In one embodiment, the connector is a spring-loaded pin connector, wherein the first power pin, the second power pin, the ground pin, and the signal pin are all spring-loaded pins.

[0017] A combing device includes: a backplate assembly, wherein a transmission section of the backplate assembly is used to connect to the connection device of the wireless Jacquard pin block as described above;

[0018] The transmission unit includes a first power transmission unit, a second power transmission unit, a signal transmission unit, and a grounding unit. The arrangement of the first power transmission unit, the second power transmission unit, the signal transmission unit, and the grounding unit corresponds to the first power pin, the second power pin, the signal pin, and the grounding pin, respectively.

[0019] The first power transmission unit is used to transmit the first power supply, the second power transmission unit is used to transmit the second power supply, and the signal transmission unit is used to transmit the control signal.

[0020] In one embodiment, the number of transmission units in the backplane assembly is multiple.

[0021] A warp knitting machine includes the combing device as described above.

[0022] The aforementioned wireless Jacquard needle block, guide bar device, and warp knitting machine include a wireless Jacquard needle block comprising a connector, a control circuit, a drive circuit, and yarn guide needles. The connector includes a first power pin, a second power pin, a ground pin, and a signal pin. The control circuit connects to the first power pin, the ground pin, and the signal pin. The drive circuit connects to the second power pin, the ground pin, the control circuit, and the yarn guide needles. The first power pin is used to connect to a first power source supplying power to the control circuit, the second power pin is used to connect to a second power source supplying power to the drive circuit, and the signal pin is used to connect to a control signal. The control circuit outputs a drive signal based on the control signal, causing the drive circuit to control the operation of the yarn guide needles. The lengths of both the first and second power pins are shorter than the length of the ground pin. Therefore, the first and second power pins supply power to the control circuit and the drive circuit respectively, reducing instability caused by power interference and improving the reliability of each circuit. The grounding pin is longer than the two power pins, allowing a reliable grounding connection to be established before power is supplied when the wireless Jacquard pin block is connected to the backplane. This effectively addresses transient overvoltages caused by hot-plugging and improves reliability. Furthermore, the different lengths of the grounding and power pins make it easier for operators to identify pin functions and connection sequences, reducing connection errors and the risk of damage to control and drive circuits. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of a wireless Jacquard pin block according to one embodiment;

[0025] Figure 2 This is a schematic diagram of the structure of a wireless Jacquard pin block according to an embodiment;

[0026] Figure 3 This is a schematic diagram of the structure of a wireless Jacquard pin block according to another embodiment;

[0027] Figure 4 This is a schematic diagram of the installation of a wireless Jacquard pin block and backplane assembly according to one embodiment;

[0028] Figure 5This is a schematic diagram illustrating the installation of a wireless jacquard pin block and backplane assembly according to another embodiment. Detailed Implementation

[0029] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0031] It is understood that the terms "first," "second," etc., used herein may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, without departing from the scope of this application, a first resistor may be referred to as a second resistor, and similarly, a second resistor may be referred to as a first resistor. Both the first resistor and the second resistor are resistors, but they are not the same resistor.

[0032] It is understood that the term "connection" in the following embodiments should be understood as "electrical connection," "communication connection," etc., if the connected circuits, modules, units, etc., have electrical signal or data transmission with each other.

[0033] It is understandable that "at least one" refers to one or more, and "multiple" refers to two or more. "At least a part of an element" refers to part or all of an element.

[0034] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising / including” or “having,” etc., specify the presence of the stated features, wholes, steps, operations, components, parts, or combinations thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof. Meanwhile, the term “and / or” as used in this specification includes any and all combinations of the associated listed items.

[0035] This application provides a wireless jacquard pin block. In some embodiments, such as Figure 1As shown, the wireless jacquard needle block includes a connector 100, a control circuit 200, a drive circuit 300, and a yarn guide needle 400. The connector 100 includes a first power pin, a second power pin, a ground pin, and a signal pin. The control circuit 200 is connected to the first power pin, the ground pin, and the signal pin; the drive circuit 300 is connected to the second power pin, the ground pin, the control circuit 200, and the yarn guide needle 400.

[0036] The first power pin is used to connect to a first power supply for the control circuit 200, and the second power pin is used to connect to a second power supply for the drive circuit 300. The control circuit 200 can operate normally when connected to the first power supply via the first power pin and grounded via the ground pin. Similarly, the drive circuit 300 can operate normally when connected to the second power supply via the second power pin and grounded via the ground pin.

[0037] Signal pins are used to connect control signals, the specific type of which needs to be determined based on the actual application scenario. As an example, control signals may include trigger angle signals and other control-related signals (such as speed adjustment signals). It is understood that the number of signal pins can be flexibly set according to the specific type of control signal.

[0038] The control signals, the first power supply, and the second power supply are all externally connected, for example, through the combing device of the warp knitting machine. In some embodiments, the connector 100 of the wireless jacquard needle block is used to be mounted on the back plate assembly of the combing device, through which the control signals, the first power supply, and the second power supply are introduced.

[0039] When the control circuit 200 and the drive circuit 300 are normally powered, the control circuit 200 can output a drive signal according to the control signal input to the signal pin, so that the drive circuit 300 controls the yarn guide needle 400 to run according to the drive signal. Thus, the yarn guide needle 400 can cooperate with the groove needle or the tongue needle to achieve efficient loop forming.

[0040] The lengths of the first power pin and the second power pin are both shorter than the length of the ground pin. Therefore, when the connector 100 connects to the backplane assembly, the ground pin contacts the backplane assembly first, establishing a reliable grounding connection before the first and second power supplies are connected, thus addressing transient overvoltages caused by hot-plugging.

[0041] The aforementioned wireless Jacquard needle block includes a connector 100, a control circuit 200, a drive circuit 300, and a yarn guide needle 400. The connector 100 includes a first power pin, a second power pin, a ground pin, and a signal pin. The control circuit 200 connects to the first power pin, the ground pin, and the signal pin. The drive circuit 300 connects to the second power pin, the ground pin, the control circuit 200, and the yarn guide needle 400. The first power pin is used to connect to a first power source supplying power to the control circuit 200, the second power pin is used to connect to a second power source supplying power to the drive circuit 300, and the signal pin is used to connect to a control signal. The control circuit 200 outputs a drive signal based on the control signal, so that the drive circuit 300 controls the operation of the yarn guide needle according to the drive signal. The lengths of both the first and second power pins are shorter than the length of the ground pin. Therefore, the first and second power pins supply power to the control circuit 200 and the drive circuit 300 respectively, which can reduce the instability caused by power interference in the two circuits and improve the reliability of each circuit. The grounding pin is longer than the two power pins. When the wireless Jacquard pin block is connected to the backplane assembly, a reliable grounding connection can be established before power is connected, effectively dealing with transient overvoltages caused by hot-plugging and improving reliability. In addition, the grounding pin is of a different length than the two power pins, making it easier for operators to identify the pin functions and connection sequence, reducing connection errors and lowering the risk of damaging the control circuit 200 and the drive circuit 300.

[0042] It should be noted that in related technologies, there are two main ways to connect the wireless jacquard pin block to the backplane assembly. One method involves vertically mounting the connector 100 on the wireless jacquard pin block, with each pin of the connector 100 contacting the windowed pads of the backplane assembly to interconnect power signals (first power and second power) and control signals. The other method involves mounting the connector 100 on the side of the wireless jacquard pin block for interconnection with other wireless jacquard pin blocks to access power and control signals. However, regardless of the connection method, under conditions such as hot-swapping, the circuitry on the wireless jacquard pin block is easily damaged, resulting in low reliability.

[0043] In this embodiment, by making the length of the grounding pin greater than the length of the two power pins, hot-swapping conditions can be effectively handled regardless of the connection method used, thereby improving the reliability of the wireless Jacquard pin block.

[0044] The voltage value of the second power supply can be set in conjunction with the parameters of the drive circuit 300 and the yarn guide needle 400, as well as application requirements. For example, the second power supply is a high-voltage power supply, such as a 180V power supply.

[0045] The first power supply is a low-voltage power supply, and its voltage value can be set according to the circuit structure of the control circuit 200. In some embodiments, the control circuit 200 includes a control chip, which is connected to the first power supply pin, the ground pin, and the signal pin. The first power supply is a control power supply adapted to the control chip in the control circuit 200, and the control power supply can be 3.3V, 5V, or other voltage values. In other embodiments, the control circuit 200 includes a control chip and a power conversion circuit connected together. The control chip is connected to the signal pin, and the power conversion circuit is connected to the first power supply pin and the ground pin. The power conversion circuit is used to convert the first power supply into a control power supply adapted to the control chip. The first power supply can be a 15V power supply, a 12V power supply, or a power supply with other voltage values. The structure of the power conversion circuit can be selected according to the actual situation, and a suitable DC-DC conversion topology can be chosen. This embodiment does not limit this.

[0046] In practical applications, to improve the stability of the first and second power supplies, the wireless jacquard pin block can also include a first capacitor and a second capacitor. The first capacitor is connected between the first power supply pin and the ground pin, and the second capacitor is connected between the second power supply pin and the ground pin. Since the length of the ground pin is greater than the length of the power supply pin, the conduction time in the power circuit can be extended, making the capacitor charging process smoother, reducing the surge current peak, and significantly reducing the possibility of circuit impact damage.

[0047] In some embodiments, the wireless Jacquard pin block may also include two TVS (Transient Voltage Suppressor) diodes, which are respectively connected between the first power pin and the ground pin and between the second power pin and the ground pin, and are positioned close to the ground pin, so that during hot-plugging, the electrostatic discharge (ESD) can be discharged through the shortest path, thereby increasing the protection level.

[0048] In some embodiments, the ground pin is 0.5mm-1mm longer than the first power pin. This allows the ground pin to conduct first, followed by the first power pin, when connecting the backplane assembly. This ensures that the timing of reference potential establishment and first power input timing is completed within a certain time (e.g., 10ms), mitigating potential floating overshoot caused by the first power pin conducting first and effectively suppressing inrush current. Furthermore, a length difference of 0.5mm or more provides noticeable tactile feedback, allowing operators to identify the pins blindly, thus improving operational accuracy and efficiency.

[0049] In some embodiments, the ground pin is 0.5mm-1mm longer than the second power pin. This allows the ground pin to be turned on first, followed by the second power pin, when connecting the backplane assembly. This ensures that the timing lock of the reference potential establishment and the second power input is completed within a certain time (e.g., 10ms), improving the potential floating overshoot caused by the second power being turned on first and effectively suppressing surge current.

[0050] In some embodiments, the first power pin is the same length as the second power pin, and the ground pin is 0.5mm-1mm longer than the two power pins.

[0051] In some embodiments, the lengths of the first power pin, the second power pin, and the signal pin are all equal.

[0052] In this embodiment, the two power pins and the signal pin are designed to be of equal length, allowing all three to contact the backplane assembly simultaneously, delayed until the ground pin conducts. During hot-swapping, the longer ground pin preferentially establishes a low-impedance reference potential, avoiding potential abrupt changes and signal jitter caused by the power and signal pins being left floating. This reduces power input surge voltage and significantly decreases the risk of the control chip being damaged by overvoltage.

[0053] Furthermore, the fact that the two power pins and the signal pins are of equal length allows the drive circuit 300 and the control circuit 200 to start synchronously at the same reference potential, reducing timing errors caused by potential differences, improving the operational reliability of the yarn guide needle 400, and thus improving the quality of loop formation.

[0054] In some embodiments, such as Figure 2 As shown, there are two or more grounding pins 111. The connector 100 includes a connecting section 110, where a first power pin 112, a second power pin 113, and a signal pin 114 are all located. Grounding pins 111 are located on opposite sides of the connecting section 110.

[0055] In this embodiment, the grounding pins 111 are positioned on opposite sides of the connecting section 110, providing a parallel low-impedance path and reducing the impedance of the high-frequency noise return path. Furthermore, the redundant design of multiple grounding pins 111 improves physical fault tolerance. When the wireless Jacquard pin block connects to the backplane assembly, stable grounding is achieved regardless of which side of the connecting section 110 contacts the backplane assembly first. Even with poor contact on one side, the system potential difference is maintained, keeping voltage fluctuations during insertion and removal within an acceptable range, thereby improving the reliability of the wireless Jacquard pin block.

[0056] The specific number of grounding pins 111 is not limited. For example, there can be 2, 3, 4 or more grounding pins 111. Those skilled in the art can flexibly set the number according to the specific circumstances.

[0057] In some embodiments, there are multiple signal pins 114, which are arranged in pairs side by side. Along the length of the connector 100, the pins are arranged in the following order: ground pin 111, second power pin 113, first power pin 112, each pair of side by side signal pins 114, and ground pin 111.

[0058] It should be noted that during the installation of the wireless jacquard pin block onto the backplane assembly, the length direction of the wireless jacquard pin block needs to be at a specific angle (e.g., perpendicular) to the length direction of the backplane assembly. If the operator accidentally tilts the wireless jacquard pin block during assembly, a short circuit may occur between the power supply, ground, and signal, potentially damaging the circuitry within the wireless jacquard pin block.

[0059] In this embodiment, by setting the relative positions of the first power pin 112, the second power pin 113, the ground pin 111, and the signal pin 114 in a reasonable and orderly manner, it is permissible for the wireless Jacquard pin block to be installed at a certain angle in the backplane assembly without causing a short circuit between the power supply, ground, and signal.

[0060] In a specific embodiment, such as Figure 3 As shown, there are six signal pins: first signal pin 1141, second signal pin 1142, third signal pin 1143, fourth signal pin 1144, fifth signal pin 1145, and sixth signal pin 1146. Along the width direction of connector 100, first signal pin 1141 and second signal pin 1142 are arranged side by side as a group of signal pins, third signal pin 1143 and fourth signal pin 1144 are arranged side by side as a group of signal pins, and fifth signal pin 1145 and sixth signal pin 1146 are arranged side by side as a group of signal pins.

[0061] The connector 100 includes a first side 120 and a second side 130 disposed opposite each other along the length direction. The distance between the first power pin 112 and the first side 120 is equal to the distance between the fifth signal pin 1145 and the first side 120, and less than the distance between the remaining pins and the first side 120.

[0062] The distance between the second signal pin 1142 and the second side 130 is equal to the distance between the sixth signal pin 1146 and the second side 130, and less than the distance between the remaining pins and the second side 130.

[0063] The distance between the first signal pin 1141 and the first side is greater than the distance between the third signal pin 1143 and the first side, but less than the distance between the fourth signal pin 1144 and the first side.

[0064] In this embodiment, by setting the relative positions of each pin in a reasonable and orderly manner, it is permissible for the wireless Jacquard pin block to be installed at a certain angle on the backplane assembly without causing a short circuit between power supply, ground, and signal.

[0065] Specifically, please refer to Figures 4-5 The backplane assembly includes a transmission section whose positions correspond to the pin arrangements in connector 100. The correct installation position between the wireless Jacquard pin block and the backplane assembly can be referenced as follows: Figure 4 and Figure 5 The wireless jacquard pin block is located in the center. In a correctly installed wireless jacquard pin block, each pin (shown as a separate circle in the diagram) is centered within the transmission section of the backplane assembly. The form of each transmission section is not limited; for example, it can be a windowed pad.

[0066] When the wireless jacquard pin blocks are tilted, such as those shown in Figures 1, 2, 3, and 4, the pins of the tilted blocks are not connected to the transmission units. In particular, the first power pin (shown as a red circle in the figure) and the second power pin (shown as a blue circle in the figure) are not connected to the transmission units, thus effectively preventing short circuits. During assembly, even if the operator tilts the wireless jacquard pin blocks, there will be no circuit damage due to short circuits, resulting in higher reliability of the wireless jacquard pin blocks.

[0067] In some embodiments, connector 100 is a spring pin connector, and the first power pin, the second power pin, the ground pin, and the signal pin are all spring pins.

[0068] In this embodiment, the first power pin, the second power pin, each grounding pin, and each signal pin are all spring pins. When connected to the backplane assembly, the longest grounding pin contacts the backplane assembly first, establishing a reliable grounding connection before power is supplied, effectively addressing transient overvoltages caused by hot-plugging. Subsequently, the first power pin, the second power pin, and each signal pin synchronously contact the backplane assembly, enabling the drive circuit 300 and the control circuit 200 to start synchronously at the same reference potential. This reduces timing errors caused by potential differences, improves the operational reliability of the yarn guide needle 400, and ultimately improves the loop forming quality.

[0069] This application also provides a combing device, including: a backplate assembly, the transmission section of which is used to connect to a connector for a wireless Jacquard pin block. The wireless Jacquard pin block can be configured as described in the above embodiments, and will not be repeated here.

[0070] The backplane assembly's transmission section includes a first power transmission section, a second power transmission section, a signal transmission section, and a grounding section. The arrangement of the first power transmission section, the second power transmission section, the signal transmission section, and the grounding section corresponds to the first power pin, the second power pin, the signal pin, and the grounding pin, respectively.

[0071] The first power transmission unit is used to transmit the first power supply, the second power transmission unit is used to transmit the second power supply, and the signal transmission unit is used to transmit control signals.

[0072] When the wireless jacquard pin block is mounted on the backplane assembly, the connector is used to connect the transmission section. Specifically, the first power pin, second power pin, signal pin, and ground pin of the connector are respectively connected to the first power transmission section, second power transmission section, signal transmission section, and ground section of the transmission section. For example, the first power transmission section, second power transmission section, signal transmission section, and ground section can be connected to the corresponding pins in the form of solder pads.

[0073] It is understood that the number of grounding sections in the transmission section corresponds to the number and location of grounding pins in the connector. The number and location of signal transmission sections in the transmission section correspond to the number and location of signal pins in the connector. In some embodiments, such as... Figure 4 As shown, there are 6 signal pins, so there are also 6 signal transmission parts in the transmission section, corresponding to the positions of each signal pin. There are 3 ground pins, and there are also 3 grounding parts, corresponding to the positions of each ground pin.

[0074] In some embodiments, the number of transmission units in the backplane assembly is multiple. Therefore, a single backplane assembly can accommodate multiple wireless Jacquard pins, such as dozens or hundreds of wireless Jacquard pins, providing strong driving capability.

[0075] Embodiments of this application also provide a warp knitting machine, including a guide bar device and a wireless Jacquard needle block. The wireless Jacquard needle block includes a connector, a control circuit, a drive circuit, and yarn guide needles. The connector includes a first power pin, a second power pin, a ground pin, and a signal pin. The control circuit is connected to the first power pin, the ground pin, and the signal pin; the drive circuit is connected to the second power pin, the ground pin, the control circuit, and the yarn guide needles. The first power pin is used to connect to a first power source that powers the control circuit, the second power pin is used to connect to a second power source that powers the drive circuit, and the signal pin is used to connect to a control signal. The control circuit outputs a drive signal according to the control signal, so that the drive circuit controls the operation of the yarn guide needles according to the drive signal. The lengths of both the first power pin and the second power pin are shorter than the length of the ground pin.

[0076] The comb assembly includes a backplate assembly, and the transmission section of the backplate assembly is used to connect the connectors of the wireless Jacquard pins. The transmission section includes a first power transmission section, a second power transmission section, a signal transmission section, and a grounding section. The arrangement of the first power transmission section, the second power transmission section, the signal transmission section, and the grounding section corresponds to the first power pin, the second power pin, the signal pin, and the grounding pin, respectively. The first power transmission section transmits the first power supply, the second power transmission section transmits the second power supply, and the signal transmission section transmits control signals.

[0077] In some embodiments, the connector is a spring-loaded pin connector, where the first power pin, the second power pin, the ground pin, and the signal pin are all spring-loaded pins. The transmission section is a windowed pad, where the first power transmission section, the second power transmission section, the signal transmission section, and the ground section are all pads.

[0078] In some embodiments, the first power pin, the second power pin, and the signal pin are of equal length.

[0079] In some embodiments, the ground pin is 0.5mm-1mm longer than the first power pin, and / or the ground pin is 0.5mm-1mm longer than the second power pin.

[0080] In some embodiments, the number of grounding pins is two or more; the connector includes a connecting section, a first power pin, a second power pin, and a signal pin are disposed on the connecting section, and grounding pins are disposed on opposite sides of the connecting section.

[0081] In some embodiments, there are multiple signal pins, which are arranged in pairs side by side. Along the length of the connector, the pins are arranged in the following order: ground pin, second power pin, first power pin, each group of side-by-side signal pins, and ground pin.

[0082] In some embodiments, the signal pins include a first signal pin, a second signal pin, a third signal pin, a fourth signal pin, a fifth signal pin, and a sixth signal pin; along the width direction of the connector, the first signal pin and the second signal pin are arranged side by side as a group of signal pins, the third signal pin and the fourth signal pin are arranged side by side as a group of signal pins, and the fifth signal pin and the sixth signal pin are arranged side by side as a group of signal pins.

[0083] The connector includes a first side and a second side arranged opposite each other along its length. The distance between the first power pin and the first side is equal to the distance between the fifth signal pin and the first side, and less than the distances between the remaining pins and the first side. The distance between the second signal pin and the second side is equal to the distance between the sixth signal pin and the second side, and less than the distances between the remaining pins and the second side. The distance between the first signal pin and the first side is greater than the distance between the third signal pin and the first side, and less than the distance between the fourth signal pin and the first side. Correspondingly, the number and position of the signal transmission units in the transmission section correspond to the number and position of the connector's signal pins.

[0084] In practice, there can be multiple combing devices, which are cascaded together.

[0085] In the description of this specification, references to terms such as "some embodiments," "other embodiments," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative descriptions of the above terms do not necessarily refer to the same embodiments or examples.

[0086] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0087] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the protection scope of this application. Therefore, the protection scope of this application should be determined by the appended claims.

Claims

1. A wireless Jacquard pin block, characterized in that, include: The device includes a connector, a control circuit, a drive circuit, and a yarn guide pin. The connector includes a first power pin, a second power pin, a ground pin, and a signal pin. The control circuit is connected to the first power pin, the ground pin, and the signal pin. The drive circuit is connected to the second power pin, the ground pin, the control circuit, and the yarn guide pin. The first power pin is used to connect to a first power supply that powers the control circuit, the second power pin is used to connect to a second power supply that powers the drive circuit, the signal pin is used to connect to a control signal, and the control circuit is used to output a drive signal according to the control signal so that the drive circuit controls the yarn guide needle to run according to the drive signal. The lengths of the first power pin and the second power pin are both less than the length of the ground pin.

2. The wireless Jacquard pin block according to claim 1, characterized in that, The first power pin, the second power pin, and the signal pin are of equal length.

3. The wireless Jacquard pin block according to claim 1, characterized in that, The grounding pin is 0.5mm-1mm longer than the first power pin, and / or the grounding pin is 0.5mm-1mm longer than the second power pin.

4. The wireless Jacquard pin block according to claim 1, characterized in that, The number of grounding pins is two or more; the connector includes a connecting section, the first power pin, the second power pin and the signal pin are disposed in the connecting section, and the grounding pins are respectively disposed on opposite sides of the connecting section.

5. The wireless Jacquard pin block according to claim 4, characterized in that, The number of signal pins is multiple, and the multiple signal pins are arranged side by side in pairs; along the length of the connector, the arrangement order of each pin is as follows: ground pin, second power pin, first power pin, each group of side by side signal pins, and ground pin.

6. The wireless Jacquard pin block according to claim 5, characterized in that, The signal pins include a first signal pin, a second signal pin, a third signal pin, a fourth signal pin, a fifth signal pin, and a sixth signal pin; along the width direction of the connector, the first signal pin and the second signal pin are arranged side by side as a group of signal pins, the third signal pin and the fourth signal pin are arranged side by side as a group of signal pins, and the fifth signal pin and the sixth signal pin are arranged side by side as a group of signal pins; The connector includes a first side and a second side disposed opposite to each other along the length direction; the distance between the first power pin and the first side is equal to the distance between the fifth signal pin and the first side, and less than the distance between the remaining pins and the first side; The distance between the second signal pin and the second side is equal to the distance between the sixth signal pin and the second side, and less than the distance between the remaining pins and the second side; The distance between the first signal pin and the first side is greater than the distance between the third signal pin and the first side, but less than the distance between the fourth signal pin and the first side.

7. The wireless Jacquard pin block according to any one of claims 1-6, characterized in that, The connector is a spring-loaded pin connector, and the first power pin, the second power pin, the ground pin, and the signal pin are all spring-loaded pins.

8. A combing device, characterized in that, include: A backplane assembly, wherein the transmission section of the backplane assembly is used to connect to the connection device of the wireless Jacquard pin block according to any one of claims 1-7; The transmission unit includes a first power transmission unit, a second power transmission unit, a signal transmission unit, and a grounding unit. The arrangement of the first power transmission unit, the second power transmission unit, the signal transmission unit, and the grounding unit corresponds to the first power pin, the second power pin, the signal pin, and the grounding pin, respectively. The first power transmission unit is used to transmit the first power supply, the second power transmission unit is used to transmit the second power supply, and the signal transmission unit is used to transmit the control signal.

9. The combing device according to claim 8, characterized in that, The number of transmission units in the backplane assembly is multiple.

10. A warp knitting machine, characterized in that, Includes the combing device according to claim 8.

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