Jacquard driver with double optical communicators, jacquard guide bar and warp knitting machine

Abstract

The jacquard guide bar is provided with a jacquard guide needle block and a jacquard driver, the jacquard driver is electrically connected with the power connection end of the jacquard guide needle block, the jacquard driver comprises a driving circuit board, a first optical communication module and a second optical communication module, the first optical communication module is provided with a first optical receiver, the first optical receiver is electrically connected with the driving circuit board, and the second optical communication module is electrically connected with the driving circuit board. The first optical communication module is provided with a first optical transmitter, the second optical communication module is provided with a second optical transmitter, the second optical transmitter is electrically connected with the driving circuit board, the first optical receiver receives pattern process data in a mode of receiving optical signals, and the output end of the first optical receiver transmits the pattern process data to a driving circuit of the driving circuit board in a mode of electric signals. Pattern process data is transmitted to the input end of the second light emitter in an electric signal mode, a second light source of the second light emitter transmits the pattern process data in a light signal mode, and the invention further relates to a jacquard driver with the double light communicators and a warp knitting machine with at least two jacquard guide bars.

Description

Technical Field

[0001] The invention relates to the field of warp knitting machines, in particular to a jacquard drive, a jacquard guide bar and a warp knitting machine with double optical communicators. Background Art

[0002] The current jacquard combs generally use electrical signals for data exchange or communication control for data or control signals, and are connected to signal lines through various types of connectors. For the convenience of installation and maintenance, the jacquard comb and the electrical signal are usually connected in a detachable structure, for example: the jacquard comb is connected with a pin, and the pin is crimped together with the communication line during installation to form a loop, which introduces the electrical signal into the jacquard. A Chinese invention patent (application number: 202111645009.4, publication number: CN114232199B) discloses a piezoelectric jacquard mounting assembly, including a plurality of piezoelectric jacquards and a comb connected to the plurality of piezoelectric jacquards, each piezoelectric jacquard is provided with a driving circuit board for driving the piezoelectric jacquard, and a plurality of conductive contacts are connected to the electrical connection points on the lower side of the driving circuit board.

[0003] In essence, it is a structure that forms an electrical connection through contact between conductive metals, so there are inevitably some flaws, such as: 1: The contact surface must be free of dirt, otherwise it will affect the contact effect and cause unstable connection.

[0004] 2: The contact surface must have strong corrosion resistance. Otherwise, after working for a period of time, it may be corroded due to contact surface, such as the common oxidation problem, which will lead to unstable connection after a period of time. Therefore, the contact surface is generally required to be surface treated, such as gold plating, which has a higher cost.

[0005] 3: Electrical signals are easily affected by the environment, especially when electromagnetic interference is more complex, which places high demands on the anti-interference ability of the entire circuit. Summary of the invention

[0006] The present invention provides a jacquard drive, a jacquard comb and a warp knitting machine with dual optical communicators, the main purpose of which is to overcome the defect that after long-term use, the conductive metal of the jacquard drive will be affected by the pollution of the metal surface or oxidation by oxygen in the air, which will affect the transmission of the pattern process data and thus shorten the service life of the jacquard.

[0007] In order to solve the above technical problems, the present invention adopts the following technical solutions: In a first aspect, a jacquard drive with dual optical communicators comprises: Driver circuit board; a first optical communication module, the first optical communication module having a first optical receiver, the first optical receiver being electrically connected to the driving circuit board; and A second optical communication module, wherein the second optical communication module has a second optical transmitter, and the second optical transmitter is electrically connected to the driving circuit board; Wherein, the first optical communication module and the second optical communication module are respectively arranged on the left and right sides of the driving circuit board; The first optical receiver receives the pattern process data by receiving an optical signal, the output end of the first optical receiver transmits the pattern process data to the driving circuit board of the driving circuit board in the form of an electrical signal, the pattern process data is transmitted to the input end of the second optical transmitter in the form of an electrical signal, and the second light source of the second optical transmitter transmits the pattern process data in the form of an optical signal.

[0008] In a possible implementation, the first optical communication module has a first light transmitter, which is electrically connected to the driving circuit board; the second optical communication module has a second light receiver, which is electrically connected to the driving circuit board; the second light receiver receives pattern process data by receiving optical signals; the output end of the second light receiver transmits the pattern process data to the driving circuit board of the driving circuit board in the form of electrical signals; the pattern process data is transmitted to the input end of the first light transmitter in the form of electrical signals; and the first light source of the first light transmitter transmits the pattern process data in the form of optical signals.

[0009] In one possible implementation, when the first light emitter and the first light receiver are arranged together on the left side of the driving circuit board, the second light receiver and the second light emitter are arranged together on the right side of the driving circuit board; when the second light receiver and the second light emitter are arranged together on the left side of the driving circuit board, the first light emitter and the first light receiver are arranged together on the right side of the driving circuit board.

[0010] In one possible implementation, when two driving circuit boards are arranged together in a left-right splicing manner, the first optical receiver on one driving circuit board and the second optical transmitter on the other driving circuit board are connected to each other to form a complete first optical communication circuit, and the first transmitter on one driving circuit board and the second optical receiver on the other driving circuit board are connected to each other to form a complete second optical communication circuit.

[0011] In one possible implementation, the first optical receiver has a first photodiode, the first optical transmitter has a first light emitting diode, the first light emitting diode transmits the flower pattern process data in a flashing manner, the second optical receiver has a second photodiode, the second light transmitter has a second light emitting diode, and the second light emitting diode transmits the flower pattern process data in a flashing manner.

[0012] In a possible implementation, a driving chip is integrated on the driving circuit board 1, the input end of the driving chip is electrically connected to the power connection end of the optical receiver 2, and the output end of the driving chip is electrically connected to the power connection end of the optical transmitter 3, so that the first electrical signal is transmitted to the power connection end of the optical transmitter 3.

[0013] In a possible implementation, the electrical signal transmits the pattern process data in a high level and a low level manner.

[0014] In a possible implementation, the optical signal transmits the pattern process data in the form of light intensity, frequency or phase.

[0015] In a second aspect, a jacquard comb has a jacquard guide needle block and a jacquard drive, wherein the jacquard drive is electrically connected to the power connection end of the jacquard guide needle block, and the jacquard drive is the jacquard drive described above.

[0016] In a third aspect, a warp knitting machine has at least two jacquard combs, wherein the jacquard combs include a jacquard guide needle block and a jacquard drive, wherein the driving circuit board of the jacquard drive is used to drive the piezoelectric ceramic sheet of the jacquard guide needle block to deform so as to drive the guide needle to swing, and the jacquard drive is the jacquard drive described above. When the two jacquard combs are close together, the optical signal emitted by the second optical transmitter of one jacquard drive is received by the first optical receiver of another adjacent jacquard drive to form a complete optical communication circuit, and the driving circuit board is The driving circuit drives the piezoelectric ceramic piece of the Jacquard guide needle block to swing according to the pattern process data received by the first optical receiver, so that the guide needle can realize the jacquard action; when the two jacquard combs are close together, the light signal emitted by the first light emitter of a Jacquard driver is received by the second light receiver of another adjacent Jacquard driver to form a complete optical communication circuit, and the driving circuit on the driving circuit board drives the piezoelectric ceramic piece of the Jacquard guide needle block to swing according to the pattern process data received by the second receiver, so that the guide needle can realize the jacquard action.

[0017] Compared with the prior art, the beneficial effects produced by the present invention are: The present invention has a simple structure and strong practicality. By arranging a first optical communication module and a second optical communication module to transmit pattern data in the form of optical signals, the amount of conductive metal on the jacquard drive is reduced, its anti-electromagnetic interference capability is improved, and its service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a module diagram of the jacquard drive in Example 1.

[0019] Figure 2 It is a module diagram of the optical communication circuit when two jacquard combs are close together in the first embodiment.

[0020] Figure 3 Module diagram of the Jacquard drive of Example 2 Figure 4 It is a module diagram of the optical communication circuit when two jacquard combs are close together in the second embodiment.

[0021] Figure 5 It is a structural schematic diagram of the first optical communication module.

[0022] Figure 6 It is a structural schematic diagram of the second optical communication module.

[0023] Figure 7 It is a module diagram of the jacquard guide bar in the first embodiment.

[0024] Figure 8 It is a schematic diagram of the structure of the jacquard guide bar in the eighth embodiment.

[0025] Fig. 9 for Figure 8 Schematic diagram of the structure of part A.

[0026] Fig.10 This is an exploded view of the upper cover.

[0027] Fig.11 It is an exploded view of the jacquard drive in the eighth embodiment.

[0028] Fig.12 This is the module diagram of the grounding unit.

[0029] Fig.13 It is a schematic diagram of the structure of the bump part.

[0030] Fig.14 It is a schematic diagram of the structure in which the second inclined surface abuts against the first inclined surface.

[0031] Fig.15 This is an exploded view of the tail clip.

[0032] In the figure: 1, jacquard comb; 2, jacquard guide needle block; 3, jacquard drive; 4, guide needle; 5, first optical communication module; 6, second optical communication module; 7, second optical transmitter; 8, first optical receiver; 9, drive circuit board; 10, drive circuit; 11, piezoelectric ceramic plate; 12, second optical receiver; 13, first optical transmitter; 14, male connector; 15, female connector; 16, drive chip; 17, tail clip; 18, connector; 19, housing; 20, bottom base; 21, raised part; 22, comb bed; 23, seventh assembly Matching hole; 24, second fastening piece; 25, first cavity; 26, upper cover; 27, fourth assembly hole; 28, handle; 29, opening; 30, first fastening piece; 31, first assembly hole; 32, second assembly hole; 33, third assembly hole; 35, sixth assembly hole; 36, heat dissipation hole; 37, groove; 41, ground wire; 42, second grounding terminal; 43, grounding unit; 44, first grounding terminal; 45, screw portion; 50, threaded hole; 51, first groove portion; 52, first inclined surface; 53, second inclined surface; 54, second protrusion. DETAILED DESCRIPTION

[0033] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0034] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be present in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0035] Unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by persons of ordinary skill in the field to which the invention belongs. The words "first", "second" and similar terms used in the patent application specification and claims of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "have" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Inside", "outside", "upper", "lower" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. "Multiple" means at least two.

[0036] Embodiment 1, refer to Figure 1 , Figure 2 and Figure 7 , a jacquard drive with dual optical communicators, a jacquard comb and a warp knitting machine, wherein the warp knitting machine has at least two jacquard combs 1, the jacquard comb 1 includes a jacquard guide needle block 2 and a jacquard drive 3, and the jacquard drive 3 is electrically connected to the power connection end of the jacquard guide needle block 2.

[0037] Reference Figure 1 , Figure 2 and Figure 7 The driving circuit board 9 of the Jacquard drive 3 is used to drive the piezoelectric ceramic piece 11 of the Jacquard yarn guide needle block 2 to deform, so as to drive the yarn guide needle 4 to swing.

[0038] Reference Figure 1 , Figure 2 and Figure 7 The Jacquard driver 3 includes: a driving circuit board 9, a first optical communication module 5 and a second optical communication module 6.

[0039] Reference Figure 1 , Figure 2 and Figure 7 The first optical communication module 5 has a first optical receiver 8 , which is electrically connected to a driving circuit board 9 ; the second optical communication module 6 has a second optical transmitter 7 , which is electrically connected to a driving circuit board 9 .

[0040] Reference Figure 1 , Figure 2 and Figure 7 The first optical communication module 5 and the second optical communication module 6 are respectively arranged on the left and right sides of the driving circuit board 9 opposite to each other.

[0041] Reference Figure 1 , Figure 2 and Figure 7 The first optical receiver 8 receives the pattern process data by receiving an optical signal. The output end of the first optical receiver 8 transmits the pattern process data to the driving circuit 10 of the driving circuit board 9 in the form of an electrical signal. The pattern process data is transmitted to the input end of the second optical transmitter 7 in the form of an electrical signal. The second light source of the second optical transmitter 7 transmits the pattern process data in the form of an optical signal.

[0042] Reference Figure 1 , Figure 2 and Figure 7 The first light receiver 8 has a first photodiode (PIN), and the second light transmitter 7 has a second light emitting diode (LED), which transmits pattern process data in a flashing manner.

[0043] Reference Figure 1 , Figure 2 and Figure 7 A driving chip 16 is integrated on the driving circuit board 9, the input end of the driving chip 16 is electrically connected to the power terminal of the first optical receiver 8, and the output end of the driving chip 16 is electrically connected to the power terminal of the second optical transmitter 7, so that the first electrical signal is transmitted to the power terminal of the second optical transmitter 7.

[0044] Reference Figure 1 , Figure 2 and Figure 7 The driving circuit 10 is integrated in the driving chip 16 .

[0045] The electrical signal transmits pattern process data in the form of high level and low level.

[0046] The optical signal transmits pattern process data in the form of light intensity, frequency or phase.

[0047] Reference Figure 1 , Figure 2 and Figure 7 When two jacquard bars 1 are placed close together, the optical signal emitted by the second optical transmitter 7 of one jacquard drive 3 is received by the first optical receiver 8 of another adjacent jacquard drive 3 to form a complete optical communication circuit. The driving circuit 10 on the driving circuit board 9 drives the piezoelectric ceramic piece 11 of the jacquard guide needle block 2 to swing according to the pattern process data received by the first optical receiver 8, so that the guide needle 4 can realize the jacquard action.

[0048] Reference Figure 1 , Figure 2 and Figure 7 By arranging the first optical receiver 8 and the second optical transmitter 7 to transmit the pattern data in the form of optical signals, the amount of conductive metal on the jacquard driver 3 is reduced, its anti-electromagnetic interference capability is improved, and its service life is extended.

[0049] Example 2, refer to Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The difference between the second embodiment and the first embodiment is that the first optical communication module 5 has a first optical transmitter 13 and a first optical receiver 8 , and the first optical transmitter 13 is electrically connected to the driving circuit board 9 .

[0050] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7The second optical communication module 6 has a second optical receiver 12 and a second optical transmitter 7. The second optical receiver 12 is electrically connected to the driving circuit board 9. The second optical receiver 12 receives the pattern process data by receiving an optical signal. The output end of the second optical receiver 12 transmits the pattern process data to the driving circuit board 9 in the form of an electrical signal. The pattern process data is transmitted to the input end of the first optical transmitter 13 in the form of an electrical signal. The first light source of the first optical transmitter 13 transmits the pattern process data in the form of an optical signal.

[0051] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , when the first light emitter 13 and the first light receiver 8 are arranged together on the left side of the driving circuit board 9 , the second light receiver 12 and the second light emitter 7 are arranged together on the right side of the driving circuit board 9 .

[0052] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , when the second light receiver 12 and the second light transmitter 7 are disposed together on the left side of the driving circuit board 9 , the first light transmitter 13 and the first light receiver 8 are disposed together on the right side of the driving circuit board 9 .

[0053] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 When two driving circuit boards 9 are arranged together in a left-right splicing manner, the first optical receiver 8 on one driving circuit board 9 and the second optical transmitter 7 on the other driving circuit board 9 are connected to each other to form a complete first optical communication circuit, and the first transmitter 13 on one driving circuit board 9 and the second optical receiver 12 on the other driving circuit board 9 are connected to each other to form a complete second optical communication circuit.

[0054] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 When two jacquard bars 1 are placed close together, the optical signal emitted by the second optical transmitter 7 of one jacquard drive 3 is received by the first optical receiver 8 of another adjacent jacquard drive 3 to form a complete optical communication circuit. The driving circuit on the driving circuit board 9 drives the piezoelectric ceramic piece 11 of the jacquard guide needle block 2 to swing according to the pattern process data received by the first optical receiver 8, so that the guide needle 4 can realize the jacquard action.

[0055] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 When two jacquard bars 1 are placed close together, the optical signal emitted by the first optical transmitter 13 of one jacquard drive 3 is received by the second optical receiver 12 of another adjacent jacquard drive 3 to form a complete optical communication circuit. The driving circuit on the driving circuit board 9 drives the piezoelectric ceramic piece 11 of the jacquard guide needle block 2 to swing according to the pattern process data received by the second receiver 12, so that the guide needle 4 can realize the jacquard action.

[0056] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , by setting a first optical receiver 8, a first optical transmitter 13, a second optical receiver 12, and a second optical transmitter 7, the first optical receiver 8, the driving circuit board 9 and the second optical transmitter 7 form a first optical communication circuit, thereby replacing a part of the conductive contacts exposed to the outside, and the second optical receiver 12, the driving circuit board 9 and the first optical transmitter 13 form a second optical communication circuit, thereby replacing another part of the conductive contacts exposed to the outside. By setting the first optical communication circuit and the second optical communication circuit, the first optical communication circuit can be mainly used to transmit data during use, and the second optical communication circuit is used as a backup, or a part of the pattern process data is transmitted by the first optical communication circuit, and the other part of the pattern process data is transmitted by the second optical communication circuit, thereby reducing the total amount of data that needs to be transmitted by a single optical communication circuit, thereby reducing the difficulty and improving the stability of data transmission.

[0057] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 By setting the first optical communication circuit and the second optical communication circuit, when two jacquard combs 1 are placed close together, the left and right sides can use the universal docking optical communication circuit, which facilitates the installation of the jacquard combs 1.

[0058] The other structures are similar to those of the first embodiment and will not be described in detail here.

[0059] Example 3, refer to Figure 1 , Figure 2 and Figure 7 The difference between the third embodiment and the first embodiment is that the jacquard driver 3 includes a first light receiver 8 , a second light transmitter 7 and a driving circuit 10 .

[0060] Reference Figure 1 , Figure 2 and Figure 7 The first optical receiver 8 is used to obtain a first optical signal carrying pattern process data, and send a first electrical signal matching the first optical signal to the corresponding driving circuit 10.

[0061] Reference Figure 1 , Figure 2 and Figure 7 , the first optical receiver 8 sends a first electrical signal with pattern process data to the second optical transmitter 7, and the first electrical signal is based on the pattern process data.

[0062] Reference Figure 1 , Figure 2 and Figure 7 The second optical transmitter 7 is used to transmit a second optical signal, and the second optical signal carries pattern process data.

[0063] Reference Figure 1 , Figure 2 and Figure 7 The driving circuit 10 outputs a second electrical signal to the corresponding piezoelectric ceramic sheet 11 according to the pattern process data corresponding to the first electrical signal, and the second electrical signal is used to control the deformation of the corresponding piezoelectric ceramic sheet 11.

[0064] A control method for a Jacquard drive, the method comprising: Reference Figure 1 , Figure 2 and Figure 7 In response to the first optical receiver 8 acquiring the first optical signal carrying the pattern process data, the first optical receiver 8 sends a first electrical signal matching the first optical signal to the corresponding driving circuit 10 .

[0065] Reference Figure 1 , Figure 2 and Figure 7 , the first optical receiver 8 sends a first electrical signal with pattern process data to the second optical transmitter 7, and the first electrical signal is based on the pattern process data.

[0066] Reference Figure 1 , Figure 2 and Figure 7 The second optical transmitter 7 transmits a second optical signal, and the second optical signal carries the pattern process data.

[0067] Reference Figure 1 , Figure 2 and Figure 7 The driving circuit 10 outputs a second electrical signal to the corresponding piezoelectric ceramic sheet 11 according to the pattern process data corresponding to the first electrical signal, and the second electrical signal is used to control the deformation of the corresponding piezoelectric ceramic sheet 11.

[0068] Reference Figure 1 , Figure 2 and Figure 7The pattern process data is configured as one of the communication address value, needle signal or bit stream data corresponding to jacquard guide bar 1.

[0069] The first electrical signal transmits the pattern process data in a high level and a low level manner.

[0070] The second electrical signal transmits the pattern process data in the form of high level and low level.

[0071] The first optical signal transmits the pattern process data in the form of light intensity, frequency or phase, and the second optical signal transmits the pattern process data in the form of light intensity, frequency or phase.

[0072] Reference Figure 1 , Figure 2 and Figure 7 The jacquard comb 1 has a jacquard guide needle block 2 and a jacquard driver 3. The jacquard driver 3 adopts a control method to control the jacquard driver 3, so that the driving circuit 10 of the jacquard driver 3 drives the piezoelectric ceramic piece 11 of the jacquard guide needle block 2 to deform according to the first electrical signal, thereby driving the guide needle to swing.

[0073] Reference Figure 1 , Figure 2 and Figure 7 The warp knitting machine has at least two jacquard bars 1, the jacquard bars 1 include a jacquard guide needle block 2 and a jacquard drive 3, the jacquard drive 3 adopts a control method to control the jacquard drive 3, when the two jacquard bars 1 are close together, the second light signal emitted by the second light transmitter 7 of one jacquard drive 3 is received by the first light receiver 8 of the other adjacent jacquard drive 3 to form a complete optical communication circuit.

[0074] The other structures are similar to those of the first embodiment and will not be described in detail here.

[0075] Embodiment 4, referring to Figure 1 , Figure 2 and Figure 7 The difference between the fourth embodiment and the first embodiment is that when the light receiving port of the first light receiver 8 is arranged toward the left side of the driving circuit board 9, the light emitting port of the second light emitter 7 is arranged toward the right side of the driving circuit board 9, so that when the two jacquard drivers 3 are close together, the second light emitter 7 on one driving circuit board 9 and the corresponding first light receiver 8 on the other driving circuit board 9 are connected to each other to form a complete optical communication circuit.

[0076] Reference Figure 1 , Figure 2 and Figure 7When the light receiving port of the first light receiver 8 is set toward the right side of the driving circuit board 9, the light emitting port of the second light emitter 7 is set toward the left side of the driving circuit board 9, so that when the two jacquard drives 3 are close together, the second light emitter 7 on one driving circuit board 9 and the corresponding first light receiver 8 on the other driving circuit board 9 are connected to each other to form a complete optical communication circuit.

[0077] Reference Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 A male connector 14 and a female connector 15 are provided on the outer edge of the driving circuit board 9. When two driving circuit boards 9 are placed close together, the male connector 14 on one driving circuit board 9 is spliced ​​with the corresponding female connector 15 on the other driving circuit board 9, so that the two driving circuit boards 9 placed close together are relatively fixed together to form a complete optical communication circuit.

[0078] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The male connector 14 is provided with a first conductive terminal 55 for transmitting current, and the female connector 15 is provided with a second conductive terminal 56 for transmitting current. When the male connector 14 is connected with the corresponding female connector 15, the first conductive terminal 55 and the second conductive terminal 56 are electrically connected.

[0079] The other structures are similar to those of the first embodiment and will not be described in detail here.

[0080] Example 5, refer to Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The difference between the fifth embodiment and the first embodiment is that when the light receiving port of the first light receiver 8 is arranged toward the left side of the driving circuit board 9, the light emitting port of the second light transmitter 7 is arranged toward the right side of the driving circuit board 9, so that when the two jacquard drivers 3 are close together, the second light transmitter 7 on one driving circuit board 9 and the corresponding first light receiver 8 on the other driving circuit board 9 are connected to each other to form a complete optical communication circuit.

[0081] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7When the light receiving port of the second light receiver 12 is set toward the right side of the driving circuit board 9, the light emitting port of the first light emitter 13 is set toward the left side of the driving circuit board 9, so that when the two jacquard drives 3 are close together, the first light emitter 13 on one driving circuit board 9 and the corresponding second light receiver 12 on the other driving circuit board 9 are connected to each other to form a complete optical communication circuit.

[0082] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 A male connector 14 and a female connector 15 are provided on the outer edge of the driving circuit board 9. When two driving circuit boards 9 are placed close together, the male connector 14 on one driving circuit board 9 is spliced ​​with the corresponding female connector 15 on the other driving circuit board 9, so that the two driving circuit boards 9 placed close together are relatively fixed together to form a complete optical communication circuit.

[0083] A control method for a Jacquard drive, the method comprising: Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first optical receiver 8 obtains a first optical signal with pattern process data, and sends a first electrical signal matching the first optical signal to the corresponding driving circuit 10 .

[0084] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , the first optical receiver 8 sends a first electrical signal with pattern process data to the second optical transmitter 7, and the first electrical signal is based on the pattern process data.

[0085] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The second optical transmitter 7 transmits a second optical signal, and the second optical signal carries the pattern process data.

[0086] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The driving circuit 10 outputs a second electrical signal to the corresponding piezoelectric ceramic sheet 11 according to the pattern process data corresponding to the first electrical signal, and the second electrical signal is used to control the deformation of the corresponding piezoelectric ceramic sheet 11.

[0087] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The second optical receiver 12 obtains the third optical signal with the pattern process data, and sends a third electrical signal matching the third optical signal to the corresponding driving circuit 10.

[0088] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , the second optical receiver 12 sends a third electrical signal with pattern process data to the first optical transmitter 13 , and the third electrical signal is based on the pattern process data.

[0089] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , the first optical transmitter 13 transmits a fourth optical signal, and the fourth optical signal carries pattern process data.

[0090] Reference Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The driving circuit 10 outputs a fourth electrical signal to the corresponding piezoelectric ceramic sheet 11 according to the pattern process data corresponding to the third electrical signal, and the fourth electrical signal is used to control the deformation of the corresponding piezoelectric ceramic sheet 11.

[0091] Reference Figure 7 The pattern process data is configured as one of the communication address value, needle signal or bit stream data corresponding to jacquard guide bar 1.

[0092] The first electrical signal transmits the pattern process data in a high level and low level manner. The second electrical signal transmits the pattern process data in a high level and low level manner. The third electrical signal transmits the pattern process data in a high level and low level manner. The fourth electrical signal transmits the pattern process data in a high level and low level manner.

[0093] The first optical signal transmits pattern process data in the form of light intensity, frequency or phase, the second optical signal transmits pattern process data in the form of light intensity, frequency or phase, the third optical signal transmits pattern process data in the form of light intensity, frequency or phase, and the fourth optical signal transmits pattern process data in the form of light intensity, frequency or phase.

[0094] The other structures are similar to those of the first embodiment and will not be described in detail here.

[0095] Example 6, refer to Figure 5 , Figure 6 and Figure 7 The difference between the sixth embodiment and the first embodiment is that a driving chip 16 is integrated on the driving circuit board 9, the input end of the driving chip 16 is electrically connected to the power terminal of the optical receiver, and the output end of the driving chip 16 is electrically connected to the power terminal of the optical transmitter, so that the first electrical signal is transmitted to the power terminal of the optical transmitter. A connector 17 is provided on the front of the driving circuit board 9, and the driving circuit board 9 is electrically connected to the power terminal of the piezoelectric ceramic sheet 11 through the connector 17.

[0096] The other structures are similar to those of the first embodiment and will not be described in detail here.

[0097] Embodiment 7, reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The difference between the seventh embodiment and the first embodiment is that the warp knitting machine has at least two jacquard bars 1, the jacquard bars 1 include a jacquard guide needle block 2 and a jacquard driver 3, the driving circuit board 9 of the jacquard driver 3 is used to drive the piezoelectric ceramic piece 11 of the jacquard guide needle block 2 to deform, so as to drive the guide needle 4 to swing, and when the two jacquard bars 1 are close together, the second optical signal emitted by the second optical communication module 6 of one jacquard driver 3 is received by the first optical communication module 5 of the other adjacent jacquard driver 3 to form a complete optical communication circuit.

[0098] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The jacquard comb 1 has a jacquard guide needle block 2 and a jacquard driver 3. The driving circuit 10 on the driving circuit board 9 of the jacquard driver 3 drives the piezoelectric ceramic piece 11 of the jacquard guide needle block 2 to deform according to the first electrical signal, thereby driving the guide needle 4 to swing.

[0099] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The Jacquard driver 3 includes: a driving circuit board 9, a first optical communication module 5 and a second optical communication module 6.

[0100] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The driving circuit board 9 is provided with a plurality of conductive contacts for conducting electricity.

[0101] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first optical communication module 5 is used to receive the corresponding first optical signal and convert the corresponding first optical signal into a first electrical signal; the second optical communication module 6 is used to convert the first electrical signal into a second optical signal and transmit the second optical signal.

[0102] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first optical communication module 5 and the second optical communication module 6 are arranged on the driving circuit board 9 relatively, and the power connection end of the first optical communication module 5 and the power connection end of the second optical communication module 6 are respectively integrated on the driving circuit board 9, and the electrical connection is achieved through the wiring on the driving circuit board 9.

[0103] The first optical signal is configured as pattern process data, and the second optical signal is configured as pattern process data.

[0104] The first electrical signal is pattern process data.

[0105] Reference Figure 4 The pattern process data is configured as one of the communication address value, needle signal or bit stream data corresponding to jacquard guide bar 1.

[0106] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The first optical communication module 5 has a photodiode (PIN), and the second optical communication module 6 has a light emitting diode (LED). The light emitting diode transmits pattern process data to the receiving end of the photodiode in a flashing manner.

[0107] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 The power connection terminal of the first optical communication module 5 and the power connection terminal of the second optical communication module 6 are electrically connected to the driving circuit 10 through the wiring on the driving circuit board 9, so that the first electrical signal is transmitted to the power connection terminal of the second optical communication module 6.

[0108] The other structures are similar to those of the first embodiment and will not be described in detail here.

[0109] Example 8, refer to Figure 4 , Figure 8 and Fig.10 The difference between the eighth embodiment and the first embodiment is that the jacquard driver 3 includes a first light receiver 8 , a first light transmitter 13 , a second light receiver 12 , a second light transmitter 7 , a driving circuit board 9 and a tail clip 17 .

[0110] Reference Figure 8 , Fig. 9 and Fig.10 A portion of the tail clip 17 is wrapped around at least a portion of the driving circuit board 9 so that the tail clip 17 is integrated with at least a portion of the driving circuit board 9 to form a complete whole. A shell 19 is arranged on the outer surface of the tail clip 17. A connector 18 is provided on the front of the driving circuit board 9. A protrusion 21 is arranged on the lower part of the shell 19. When the connector 18 is installed on the tail of the piezoelectric ceramic sheet 11, the front side of the protrusion 21 abuts against the tail of the bottom base 20.

[0111] Reference Figure 8 and Fig. 9 When the jacquard comb is installed on the comb bed 22, the lower part of the protrusion 21 is adapted to be installed in the groove 37 on the rear part of the comb bed 22.

[0112] Reference Figure 8 and Fig.10 The driver circuit board 9, the tail clip 17 and the base 20 are connected together by at least one second fastener 24 to form a whole. When the jacquard actuator 3 is disassembled, the driver circuit board 9 is separated from the piezoelectric ceramic sheet 11 along with the tail clip 17 by pulling the tail clip 17. The second fastener 24 can be a screw.

[0113] Reference Figure 8 and Fig.10 When the circuit board portion is installed in the first cavity 25 , the circuit board portion is clamped between the upper cover 26 and the tail clip 17 .

[0114] Reference Figure 8 , Fig.10 and Fig.12A grounding unit 43 is disposed on the fourth assembly hole 27. When the screw portion 45 of the second locking member 24 passes through the fourth assembly hole 27, the screw portion 45 is electrically connected to the first grounding end 44 of the grounding unit 43, and the second grounding end 42 of the grounding unit 43 is electrically connected to the ground wire 41 of the driving circuit board 9. The grounding unit 43 may be a conductive metal sheet, for example, a conductive copper sheet.

[0115] Reference Figure 8 , Fig.10 and Fig.11 The second locking member 24 has a long screw portion 45 , and the screw portion 45 passes through the fourth assembly hole 27 on the driving circuit board 9 and the sixth assembly hole 35 on the tail clip 17 in order from top to bottom.

[0116] Reference Figure 8 and Fig.10 The second locking member 24 has a long screw portion 45, which passes through the seventh assembly hole 23 of the upper cover 26, the fourth assembly hole 27 on the driving circuit board 9 and the sixth assembly hole 35 on the tail clip 17 in order from top to bottom. The upper cover 26 is provided with a plurality of heat dissipation holes 36.

[0117] Reference Figure 8 A handle 28 is provided on the tail of the shell 19, and an opening 29 is provided on the handle.

[0118] Embodiment 9, refer to Fig.11 The difference between the ninth embodiment and the eighth embodiment is that the jacquard driver 3 includes a driving circuit board 9 and a tail clip 17 .

[0119] Reference Fig.10 and Fig.11 A portion of the tail clip 17 is wrapped around at least a portion of the driving circuit board 9 so that the tail clip 17 is integrated with at least a portion of the driving circuit board 9 to form a complete whole.

[0120] Reference Fig.10 and Fig.11 A shell 19 is disposed on the tail clip 17, and the shell 19 has at least one first cavity 25. The circuit board part of the driving circuit board 9 is installed in the first cavity 25, and at least a part of the shell 19 is wrapped around the lower side of the circuit board part.

[0121] Reference Fig.10 and Fig.11 The driving circuit board 9 and the tail clip 17 are connected together by at least one first fastener 30 to form a whole. The first fastener 30 can be a screw.

[0122] Reference Fig.10 and Fig.11The first locking member 30 has a long screw portion, which passes through the first assembly hole 31 on the driving circuit board 9 and the second assembly hole 32 on the tail clip 17 in order from top to bottom.

[0123] Reference Fig.10 and Fig.11 The upper side cover of the circuit board part is provided with an upper cover 26, and the driving circuit board 9, the tail clip 17 and the upper cover 26 are connected together by a first locking member 30 to form a whole.

[0124] Reference Fig.10 and Fig.11 The first locking member 30 has a long screw portion, which passes through the third assembly hole 33 of the upper cover 26, the first assembly hole 31 on the driving circuit board 9 and the second assembly hole 32 on the tail clip 17 in order from top to bottom.

[0125] The other structures are similar to those of the eighth embodiment and will not be described in detail here.

[0126] Embodiment 10, reference Fig.10 , Fig.11 , Fig.13 , Fig.14 and Fig.15 The difference between the tenth embodiment and the eighth embodiment is that the second locking member 24 passes through the fourth assembly hole 27 on the driving circuit board 9 and the sixth assembly hole 35 on the housing 19 in order from top to bottom.

[0127] Reference Fig.10 , Fig.11 , Fig.13 , Fig.14 and Fig.15 A portion of the raised portion 21 is disposed on the lower portion of the second fastening member 24 and is used to fix the second fastening member 24. A threaded hole 50 is provided on the rear portion of the base 20. A first groove portion 51 is provided on the side of the raised portion 21 facing the second fastening member 24. The first opening portion of the first groove portion 51 is spliced ​​together with the second opening portion of the threaded hole 50. An internal thread is provided in the first groove portion 51, and an external thread is provided on the lower portion of the second fastening member 24.

[0128] Reference Fig.10 , Fig.11 , Fig.13 , Fig.14 and Fig.15 A first inclined surface 52 is provided on the tail portion of the bottom base 20 , and a second inclined surface 53 is provided on one side of the first groove portion 51 toward the first inclined surface 52 . When the tail clip 17 is mounted on the piezoelectric ceramic sheet 11 , the second inclined surface 53 abuts against the first inclined surface 52 .

[0129] Reference Fig.10 , Fig.11 , Fig.13 , Fig.14 and Fig.15 The first groove portion 51 extends downward from the upper surface of the raised portion 21 to the second inclined surface 53 .

[0130] Reference Fig.10 , Fig.11 , Fig.13 , Fig.14 and Fig.15 The bottom of the raised portion 21 has a second raised portion 54. When the bottom base 20 is installed on the comb bed 22, the second raised portion 54 extends into the groove 37 on the rear part of the comb bed 22 and the lower part of the second inclined surface 53 abuts against the inner side surface of the groove 37.

[0131] Reference Fig.10 , Fig.11 , Fig.13 , Fig.14 and Fig.15 When the tail clip 17 is mounted on the piezoelectric ceramic sheet 11 , a portion of the first assembly groove is sandwiched between the bottom base 20 and the driving circuit board 9 .

[0132] Reference Fig.10 , Fig.11 , Fig.13 , Fig.14 and Fig.15 , a part of the protrusion 21 is arranged on the lower part of the second locking piece 24 and is used to fix the second locking piece 24, a threaded hole 50 is arranged on the rear part of the base 20, a first groove 51 is arranged on the protrusion 21 facing the second locking piece 24, a first opening part of the first groove is spliced ​​with a second opening part of the threaded hole 50, an internal thread is arranged in the first groove 51, and an external thread is arranged on the lower part of the second locking piece 24, so that when the second locking piece 24 is installed on the threaded hole 50, a part of the protrusion 21 supports the second locking piece 24, so that the second locking piece 24 is more firmly installed on the corresponding threaded hole 50. When the length of the base 20 is not enough, the protrusion 21 is used to supplement and assist in fixing the second locking piece 24.

[0133] The other structures are similar to those of the eighth embodiment and will not be described in detail here.

[0134] Example 11, refer to Figure 3 and Figure 4The difference between the eleventh embodiment and the first embodiment is that a first amplifier circuit is provided between the first optical receiver 8 and the second optical transmitter 7, and the optical signal received by the first optical receiver 8 is amplified by the first amplifier circuit and then emitted by the transmitting end of the second optical transmitter 7, thereby avoiding the optical decay problem. The first amplifier circuit can be electrically connected to the first optical receiver 8 through a first row of wires on the driving circuit board 9, and the first amplifier circuit can be electrically connected to the second optical transmitter 7 through a second row of wires on the driving circuit board 9.

[0135] Reference Figure 3 and Figure 4 A second amplifier circuit is provided between the second optical receiver 12 and the first optical transmitter 13. The optical signal received by the second optical receiver 12 is amplified by the first amplifier circuit and then emitted by the transmitting end of the first optical transmitter 13, thereby avoiding the optical decay problem and improving the stability of data transmission. The second amplifier circuit can be electrically connected to the second optical receiver 12 through the third row of wires on the driving circuit board 9, and the second amplifier circuit can be electrically connected to the first optical transmitter 13 through the fourth row of wires on the driving circuit board 9.

[0136] When the first optical communication circuit is used for data transmission, the second optical communication circuit is used for data reception, thereby separating the received pattern process data from the sent pattern process data without interfering with each other.

[0137] When the second optical communication circuit is used for data transmission, the first optical communication circuit is used for data reception, thereby separating the received pattern process data from the sent pattern process data without interfering with each other.

[0138] Reference Figure 7 The jacquard comb 1 is mounted on a comb bed 22. A main communication module is arranged on one end of the comb bed 22. The main communication module includes a main transmitting module and a main receiving module. The main transmitting module is used to transmit a first optical signal with pattern process data, and the main receiving module is used to receive a second optical signal with pattern process data.

[0139] The other structures are similar to those of the first embodiment and will not be described in detail here.

[0140] The above is only a specific implementation of the present invention, but the design concept of the present invention is not limited thereto. Any non-substantial changes to the present invention using this concept shall be deemed as an infringement of the protection scope of the present invention.

Claims

1. A Jacquard drive with a dual optical communicator, characterized in that: include: Driver circuit board; A first optical communication module, wherein the first optical communication module has a first optical receiver, and the first optical receiver is electrically connected to the driving circuit board; as well as A second optical communication module, wherein the second optical communication module has a second optical transmitter, and the second optical transmitter is electrically connected to the driving circuit board; Wherein, the first optical communication module and the second optical communication module are respectively arranged on the left and right sides of the driving circuit board; The first optical receiver receives the pattern process data by receiving an optical signal, the output end of the first optical receiver transmits the pattern process data to the driving circuit board of the driving circuit board in the form of an electrical signal, the pattern process data is transmitted to the input end of the second optical transmitter in the form of an electrical signal, and the second light source of the second optical transmitter transmits the pattern process data in the form of an optical signal.

2. The jacquard driver with dual optical communication device as claimed in claim 1, characterized in that: The first optical communication module has a first light transmitter, which is electrically connected to the driving circuit board. The second optical communication module has a second light receiver, which is electrically connected to the driving circuit board. The second light receiver receives pattern process data by receiving optical signals. The output end of the second light receiver transmits the pattern process data to the driving circuit board of the driving circuit board in the form of electrical signals. The pattern process data is transmitted to the input end of the first light transmitter in the form of electrical signals. The first light source of the first light transmitter transmits the pattern process data in the form of optical signals.

3. The jacquard driver with dual optical communication device as claimed in claim 1, characterized in that: When the first light emitter and the first light receiver are arranged together on the left side of the driving circuit board, the second light receiver and the second light emitter are arranged together on the right side of the driving circuit board, and when the second light receiver and the second light emitter are arranged together on the left side of the driving circuit board, the first light emitter and the first light receiver are arranged together on the right side of the driving circuit board.

4. The jacquard actuator with dual optical communication device as claimed in claim 1, characterized in that: When two driving circuit boards are arranged together in a left-right splicing manner, the first optical receiver on one driving circuit board and the second optical transmitter on the other driving circuit board are connected to each other to form a complete first optical communication circuit, and the first transmitter on one driving circuit board and the second optical receiver on the other driving circuit board are connected to each other to form a complete second optical communication circuit.

5. The jacquard actuator with dual optical communication device as claimed in claim 1, 2, 3, 4, 5 or 6, characterized in that: The first light receiver has a first photodiode, the first light transmitter has a first light emitting diode, the first light emitting diode transmits the flower pattern process data in a flashing manner, the second light receiver has a second photodiode, the second light transmitter has a second light emitting diode, the second light emitting diode transmits the flower pattern process data in a flashing manner.

6. The jacquard actuator with dual optical communication device as claimed in claim 1, 2, 3, 4, 5 or 6, characterized in that: A driving chip is integrated on the driving circuit board 1, the input end of the driving chip is electrically connected to the power terminal of the optical receiver 2, and the output end of the driving chip is electrically connected to the power terminal of the optical transmitter 3, so that the first electrical signal is transmitted to the power terminal of the optical transmitter 3.

7. The jacquard actuator with dual optical communication device as claimed in claim 1, 2, 3, 4, 5 or 6, characterized in that: The electrical signal transmits pattern process data in the form of high level and low level.

8. The jacquard actuator with dual optical communication device as claimed in claim 1, 2, 3, 4, 5 or 6, characterized in that: The optical signal transmits pattern process data in the form of light intensity, frequency or phase.

9. Jacquard comb, characterized by: The invention comprises a jacquard guide needle block and a jacquard drive, wherein the jacquard drive is electrically connected to the power connection end of the jacquard guide needle block, and the jacquard drive is the jacquard drive according to any one of claims 1 to 8.

10. Warp knitting machine, characterized in that: The invention relates to a jacquard comb having at least two jacquard combs, wherein the jacquard combs include a jacquard guide needle block and a jacquard drive, wherein a driving circuit board of the jacquard drive is used to drive the piezoelectric ceramic sheet of the jacquard guide needle block to deform so as to drive the guide needle to swing, wherein the jacquard drive is the jacquard drive of any one of claims 1 to 8, and when the two jacquard combs are close together, an optical signal emitted by a second optical transmitter of a jacquard drive is received by a first optical receiver of another adjacent jacquard drive to form a complete optical communication circuit, wherein the driving circuit board The driving circuit on the circuit board drives the piezoelectric ceramic piece of the Jacquard guide needle block to swing according to the pattern process data received by the first optical receiver, so that the guide needle can realize the jacquard action; when the two jacquard combs are close together, the light signal emitted by the first light emitter of a Jacquard drive is received by the second light receiver of another adjacent Jacquard drive to form a complete optical communication circuit, and the driving circuit on the circuit board drives the piezoelectric ceramic piece of the Jacquard guide needle block to swing according to the pattern process data received by the second receiver, so that the guide needle can realize the jacquard action.

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