TWI718393B - Method for detecting knitting needle selection device and knitting needle selection device with detecting system - Google Patents

Abstract

A knitting needle selection device with detecting system includes a controller, a plurality of needle selectors, a transmitting cable and a machine station. The needle selector is an electromagnetic type selector. Each of the needle selectors has at least one detector which is able to detect an abnormal signal. The controller can transmit the signal by the transmitting cable to the needle selectors, and change the state of the needle selectors. The present disclosure can utilize the detector to detect an abnormal signal of the needle selectors and inform the controller about the abnormal state by the transmitting cable, so that a stopping signal can be sent to the machine station to stop the machine station. The present disclosure thus can send a stopping signal when an abnormal state of the needle selector is occurred, so as to avoid defective cloth or goods.

Description

Detection method of needle selection device and needle selection device with detection system

The present invention relates to a needle selection device, in particular to a detection method of the needle selection device and a needle selection device with a detection system.

The knitting machine includes a control computer, a needle selector and a knitting machine. The control computer has a controller and a memory, and the memory is used to store a fabric pattern data. At the same time, the controller cooperates with the timing pulse to send the fabric pattern data stored in the memory to the needle selector via the data bus. The needle selector can activate the knitting device according to the sent fabric pattern data to knit the desired pattern.

Most of the existing needle selectors adopt piezoelectric or electromagnetic designs. Among them, piezoelectric needle selectors have a higher barrier rate. Therefore, electromagnetic needle selectors have gradually attracted the attention of the industry. Electromagnetic needle selectors There are several coil iron core structures, so that the needle selector is driven to swing by electromagnetic means, and then the knitting needles of the knitting machine are actuated.

However, the electromagnetic needle selector will have abnormal conditions such as short circuit or burnout. When any of the needle selectors of the knitting machine is abnormal, it cannot be known immediately. You must wait until the fabric is knitted and watch it by human eyes. Only by judgment can we find that defective fabrics and defective products have already been produced, and it is not easy to make manual judgments, and it is easy to make mistakes, often causing serious losses to the industry and increasing manufacturing costs.

In summary, the inventor feels that the above-mentioned defects can be improved, and Nite has made great efforts to study and cooperate with the application of theories, and finally proposes an invention with reasonable design and effective improvement of the above-mentioned defects.

The technical problem to be solved by the present invention is to provide a needle selection device detection method and a needle selection device with a detection system. When the needle selector is in an abnormal state, a stop signal can be issued to avoid defective cloth and defective products. It can reduce losses and reduce manufacturing costs.

In order to solve the above technical problems, the present invention provides a needle selection device detection method, including the steps of: providing a needle selection device with a detection system, the needle selection device including a controller, a plurality of needle selectors and a transmission line , The needle selectors are electromagnetic needle selectors, the transmission line is electrically connected between the controller and the needle selectors, and each of the needle selectors is provided with at least one sensor; the designed fabric The pattern data is sent to the controller; the controller transmits signals to the needle selectors through the transmission line to change the needle selection status of the needle selectors to achieve the effect of jacquard; and if the needle selector has an abnormal state, The sensor on the needle selector can detect the abnormal signal, and transmit the abnormal signal to the controller through the transmission line. After receiving the abnormal signal, the controller sends a stop signal to the machine to stop the machine.

In order to solve the above technical problems, the present invention also provides a needle selection device with a detection system, including: a controller; a plurality of needle selectors, the needle selectors are electromagnetic needle selectors, the needle selectors Each is provided with at least one sensor, the sensor can be used to detect abnormal signals; a transmission line, the transmission line is electrically connected between the controller and the needle selectors; and a machine, the needle selectors The needle selector is installed on the machine; the controller can transmit the signal to the needle selectors via the transmission line to change the needle selection status of the needle selectors, and the needle selector can use the sensor to detect The abnormal signal is transmitted to the controller through the transmission line to send a stop signal to the machine to stop the machine.

Preferably, the needle selector includes a base, a drive circuit, several coil core structures and several needle selectors. The drive circuit and the coil core structures are arranged on the base, and the drive circuit passes The transmission line is electrically connected to the controller, the coil core structures are electrically connected to the drive circuit, the selector jacks are arranged on the base body, one end of the needle selector jacks extends out of the base body, and the The other ends of the selector jacks are respectively adjacent to the coil core structures, and the selector jacks can be driven to swing in an electromagnetic manner.

Preferably, the coil iron core structure has a coil and an iron core, the coil is wound around the iron core, the coil is electrically connected to the drive circuit, the sensor is electrically connected to the coil, and the sensor It is an abnormal current sensor. When an abnormal state occurs in the needle selector, the sensor detects the abnormal current.

The beneficial effects of the present invention:

When the needle selector is in an abnormal state, the present invention can send a stop signal to stop the machine, so as to avoid the generation of defective cloth and defective products, and can reduce losses and reduce manufacturing costs.

In order to further understand the technology, methods and effects of the present invention to achieve the intended purpose, please refer to the following detailed descriptions and drawings about the present invention. I believe that the purpose, features and characteristics of the present invention can be thoroughly and concretely obtained from this. However, the attached drawings and attachments are only provided for reference and explanation, and are not intended to limit the present invention.

1‧‧‧Controller

11‧‧‧Electrical connector

2‧‧‧Needle selector

21‧‧‧Block

22‧‧‧Drive circuit

23‧‧‧Coil core structure

231‧‧‧Coil

232‧‧‧Iron core

24‧‧‧Needle selector

25‧‧‧Sensor

26‧‧‧Comparator

3‧‧‧Transmission line

4‧‧‧machine

Figure 1 is a schematic diagram of the needle selection device of the present invention.

Figure 2 is a perspective view of the controller of the present invention.

Figure 3 is a perspective view of the needle selector of the present invention.

Figure 4 is a top view of the needle selector of the present invention.

Fig. 5 is a circuit block diagram of the needle selecting device of the present invention.

Fig. 6 is a flow chart of the detection method of the needle selection device of the present invention.

[First Embodiment]

1 and 2, the present invention provides a needle selection device with a detection system, including a controller 1, a plurality of needle selectors 2 and a transmission line 3, the needle selectors 2 are electromagnetic needle selectors , The transmission line 3 is electrically connected between the controller 1 and the needle selectors 2, and the needle selectors 2 are arranged on a machine 4. The controller 1 may have an electrical connector 11, which may be a USB connector, etc., which can be used to input fabric pattern data (image files) to be stored in the memory.

The controller 1 can transmit the signal to the needle selectors 2 via the transmission line 3 (data bus) to change the needle selection status of the needle selectors 2 to achieve the effect of jacquard. Specifically, the needle selector 2 The knitting machine on the platform 4 can be actuated according to the signal of the sent cloth pattern data to knit the desired pattern.

Each of the needle selectors 2 is provided with at least one sensor 25. The sensor 25 can be used to detect abnormal signals, such as abnormal current or abnormal voltage. In this embodiment, the sensor is An abnormal current sensor can be used to detect abnormal current. If the needle selector 2 has an abnormal state, the sensor 25 can detect the abnormal signal, and the abnormal signal can be transmitted to the controller 1 through the transmission line 3. After the controller 1 receives the abnormal signal, it sends a stop signal to the machine 4 , To avoid the production of defective fabrics and defective products.

In another embodiment of the present invention, the sensor 25 can also be an abnormal voltage sensor or other types of sensing elements for detecting abnormal voltages or other signals. When the needle selector 2 has an abnormal state, a stop signal is issued to stop the machine.

[Second Embodiment]

The structure of the needle selector 2 of the present invention is not limited, and it can be an electromagnetic needle selector such as eight, twelve, sixteen or twenty-four segments. Please refer to Figures 3 and 4. This embodiment discloses one A sixteen-segment electromagnetic (electromagnet) needle selector. The needle selector 2 includes a base 21, a drive circuit 22, several coil core structures 23 and several selector blades 24. The driving circuit 22 and the coil core structures 23 are arranged on the base 21. The driving circuit 22 can be electrically connected to the controller 1 through the transmission line 3, and the coil core structures 23 are electrically connected to the driving circuit 22. That is, the coil iron core structure 23 has a coil 231 and an iron core 232, the coil 231 is wound around the iron core 232, and the coil 231 is electrically connected to the driving circuit 22. The selector jacks 24 are arranged on the base body 21, one end (front end) of the selector jacks 24 extends out of the base body 21, the selector jacks 24 are arranged at intervals, and the selector jacks 24 can be arranged into one In this embodiment, a total of sixteen selector jacks 24 are provided, and the selector jacks 24 are arranged in two rows to form a sixteen-segment selector, but the selector jack 24 is provided The number and arrangement of the needles are not limited. For example, eight, twelve or twenty-four selector jacks 24 can also be provided to form an eight-, twelve or twenty-four-segment selector. The other ends (rear ends) of the selector jacks 24 are respectively adjacent to the coil core structures 23, that is, the other ends of the selector jacks 24 respectively correspond to the coil core structures 23, so as to use electromagnetic methods The selector jacks 24 are driven to swing, thereby actuating the knitting needles of the knitting machine.

[Third Embodiment]

Please refer to FIG. 5. This embodiment discloses a circuit block diagram of the needle selection device. Each needle selector 2 has a driving circuit 22 and a plurality of coil core structures 23 (as shown in FIG. 4). The driving circuit 22 passes through the transmission line 3. Electrically connected to the controller 1, the coil iron core structure 23 each has a coil 231 and an iron core 232, the coil 231 is wound around the iron core 232, and the coil 231 is electrically connected to the driving circuit 22. The coil 231 is electrically connected to at least one sensor 25. In this embodiment, the sensor 25 is an abnormal current sensor, which can be used to detect abnormal current. If the needle selector 2 has an abnormal state, the sensor 25 can detect the abnormal signal (abnormal current), and transmit the abnormal signal to the controller 1 through the transmission line 3. The controller 1 sends a stop signal after receiving the abnormal signal Go to machine 4 for automatic parking.

In this embodiment, a comparator 26 is further provided between the sensor 25 and the controller 1 to compare the signal (such as abnormal current) detected by the sensor 25 with the normal value to determine the needle selector 2 Whether an abnormal state has indeed occurred.

[Fourth Embodiment]

Please refer to FIG. 6, this embodiment also provides a detection method of a needle selection device, which includes the following steps:

First, a needle selection device with a detection system is provided. The needle selection device includes a controller 1, a plurality of needle selectors 2 and a transmission line 3 (refer to Figures 1 to 5). The needle selectors 2 are Electromagnetic needle selector, the transmission line 3 is electrically connected between the controller 1 and the needle selectors 2, each of the needle selectors 2 is provided with at least one sensor 25, the sensor 25 can be used to detect Measure the abnormal signal; since the needle selection device is the same as the above embodiments, it will not be repeated; then, the designed fabric pattern data (image file) is sent to the controller 1; then, the controller 1 transmits through the transmission line 3 Signal to the needle selectors 2 to change the needle selection status of the needle selectors 2 to achieve the effect of jacquard; if the needle selector 2 has an abnormal state, the sensor 25 on the needle selector 2 When the abnormal signal is detected, the abnormal signal is transmitted to the controller 1 through the transmission line 3. After receiving the abnormal signal, the controller 1 sends a stop signal to the machine 4 to stop the machine 4. In this embodiment, the sensor 25 is an abnormal current sensor, which can be used to detect the abnormal current of the coil 231 of the needle selector 2.

The features and functions of the present invention are:

When the needle selector is in an abnormal state, the present invention can send a stop signal to stop the machine, so as to avoid the generation of defective cloth and defective products, and can reduce losses and reduce manufacturing costs.

The above are only the preferred embodiments of the present invention and are not intended to limit the scope of patent protection of the present invention. Therefore, all equivalent changes made using the contents of the description and drawings of the present invention are included in the protection scope of the present invention. Inside.

1‧‧‧Controller

2‧‧‧Needle selector

25‧‧‧Sensor

3‧‧‧Transmission line

4‧‧‧machine

Claims (8)

A method for detecting a needle selection device includes the steps of: providing a needle selection device with a detection system. The needle selection device includes a controller, a plurality of needle selectors, and a transmission line. The needle selectors are electromagnetic type selectors. Needle device, the transmission line is electrically connected between the controller and the needle selectors, each of the needle selectors is provided with at least one sensor; the designed fabric pattern data is sent to the controller, and the control The device has an electrical connector for inputting fabric pattern data; the controller transmits signals to the needle selectors through the transmission line to change the needle selection status of the needle selectors to achieve the effect of jacquard; and the needle selector If an abnormal state occurs, the sensor on the needle selector can detect the abnormal signal, and transmit the abnormal signal to the controller through the transmission line. After receiving the abnormal signal, the controller sends a stop signal to the machine to make The machine is parked. The detection method of the needle selection device according to claim 1, wherein the needle selector includes a base body, a driving circuit, a plurality of coil core structures and a plurality of needle selector pieces, the driving circuit and the coil cores The structure is arranged on the base, the drive circuit is electrically connected to the controller through the transmission line, the coil core structures are electrically connected to the drive circuit, the needle selectors are arranged on the base, the One end of the selector jack extends out of the base, and the other ends of the selector jacks are respectively adjacent to the coil core structures, and the selector jacks can be driven to swing in an electromagnetic manner. The needle selection device detection method according to claim 2, wherein the coil iron core structure has a coil and an iron core, the coil is wound around the iron core, the coil is electrically connected to the drive circuit, and the The sensor is electrically connected to the coil. The sensor is an abnormal current sensor. When the needle selector is in an abnormal state, the sensor detects the abnormal current. The needle selection device detection method of claim 1, wherein a comparator is provided between the sensor and the controller for comparing the signal detected by the sensor with the normal value to determine the Whether the needle selector is indeed abnormal. A needle selection device with a detection system includes: a controller with an electrical connector that can be used to input fabric pattern data; a plurality of needle selectors, the needle selectors are electromagnetic needle selectors, Each of the needle selectors is provided with at least one sensor, which can be used to detect abnormal signals; a transmission line, which is electrically connected between the controller and the needle selectors; and a machine Station, the needle selectors are arranged on the machine; wherein the controller can transmit signals to the needle selectors through the transmission line to change the state of the needle selectors of the needle selectors, and the needle selectors can use The sensor detects the abnormal signal and transmits the abnormal signal to the controller through the transmission line to send a stop signal to the machine to stop the machine. The needle selection device with a detection system according to claim 5, wherein the needle selector includes a base body, a driving circuit, a plurality of coil core structures and a plurality of needle selectors, the driving circuit and the coil irons The core structure is arranged on the base, the drive circuit is electrically connected to the controller through the transmission line, the coil core structures are electrically connected to the drive circuit, the selector jacks are arranged on the base, the One end of the selector jacks extends out of the base, and the other end of the selector jacks is respectively adjacent to the coil core structures. The needle selection device with a detection system according to claim 6, wherein the coil iron core structure has a coil and an iron core, the coil is wound around the iron core, and the coil is electrically connected to the drive circuit, The sensor is electrically connected to the coil, and the sensor is an abnormal current sensor that can be used to sense the abnormal current of the coil. The needle selection device with a detection system according to claim 5, wherein a comparator is provided between the sensor and the controller.

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