Basket pressing detection device

Abstract

The embodiment of the invention discloses a basket pressing detection device. The basket pressing detection device comprises a signal conversion module and a plurality of basket pressing detection modules, the signal conversion module comprises an OR gate circuit; the plurality of basket pressing detection modules are electrically connected with the OR gate circuit and are used for detecting basket pressing state information of a plurality of positions in a basket and sending the basket pressing state information to the OR gate circuit; and the OR gate circuit is electrically connected with the motor, and is used for determining whether the basket state is a basket pressing abnormal state or a normal state according to the basket pressing state information, and controlling the motor to stop running when the basket state is the basket pressing abnormal state. With the adoption of the technical means, the signal conversion module is arranged, so that the detection speed can be improved, the motor can be quickly stopped when the pressing basket is in an abnormal state, and the pressing basket detection precision and reliability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of industrial automation, and in particular to a basket pressure detection device. Background Art

[0002] The flower basket is a common production carrier in the fields of photovoltaics and semiconductors. Basket pressing is a phenomenon in which multiple devices collide or squeeze in the flower basket during the production process, causing device damage.

[0003] At present, multiple basket pressure detection sensors are usually directly electrically connected to a programmable logic controller (PLC). The multiple basket pressure detection sensors transmit the detected basket pressure signals directly to the PLC. When a basket pressure abnormality occurs, the PLC controls the motor to stop running. This results in a high time delay, and there is a risk of product damage when the basket pressure abnormality occurs. Summary of the invention

[0004] A basket pressure detection device provided in an embodiment of the present invention can quickly stop a motor when the basket pressure is in an abnormal state, thereby improving the accuracy and reliability of basket pressure detection.

[0005] A basket pressure detection device provided by an embodiment of the present invention includes: a signal conversion module and a plurality of basket pressure detection modules; the signal conversion module includes an OR gate circuit;

[0006] A plurality of the basket pressing detection modules are electrically connected to the signal conversion module, and are used to detect the basket pressing status information of a plurality of positions in the flower basket, and send the basket pressing status information to the OR gate circuit;

[0007] The OR gate circuit is electrically connected to the motor and is used to determine whether the basket state is an abnormal basket state or a normal state according to the basket state information, and control the motor to stop running when the basket state is an abnormal basket state.

[0008] Optionally, the basket pressure detection device further includes: a servo drive module;

[0009] The servo drive module is electrically connected to the OR gate circuit and the motor respectively, and is used to drive the motor to stop running when the OR gate circuit determines that the flower basket state is the abnormal basket pressing state, or to drive the motor to operate normally when the OR gate circuit determines that the flower basket state is the normal state.

[0010] Optionally, the basket pressure detection device further includes: a control module;

[0011] The control module is electrically connected to the servo drive module and the plurality of basket pressing detection modules respectively, and is used to determine the position where the basket pressing abnormality occurs in the flower basket according to the basket pressing state information.

[0012] Optionally, the servo drive module includes an interrupt response interface.

[0013] Optionally, the control module includes a programmable logic controller.

[0014] Optionally, the signal conversion module includes multiple input interfaces;

[0015] The number of the input interfaces is the same as the number of the basket pressure detection modules, and the input interfaces are electrically connected to the basket pressure detection modules in a one-to-one correspondence.

[0016] Optionally, the basket pressure detection device further includes: an alarm module;

[0017] The alarm module is electrically connected to the OR gate circuit, and is used to output an alarm signal when the OR gate circuit determines that the flower basket state is an abnormal basket pressing state.

[0018] Optionally, the alarm module includes an audible and visual alarm module.

[0019] Optionally, the basket pressure detection module includes: a negative-positive-positive transistor basket pressure detection sensor or a positive-negative-positive transistor basket pressure detection sensor.

[0020] Optionally, the basket pressure detection module includes a photoelectric detection sensor, a laser detection sensor or an ultrasonic detection sensor.

[0021] In the technical solution provided by the embodiment of the present invention, multiple basket pressure detection modules are used to detect basket pressure status information at multiple positions in the basket, and send the basket pressure status information to the OR gate circuit. The OR gate circuit determines whether the basket pressure status is an abnormal basket pressure status or a normal basket pressure status according to the basket pressure status information, and controls the motor to stop running when the basket pressure status is an abnormal basket pressure status. By adopting a signal conversion module, the signal conversion module includes an OR gate circuit, that is, the basket pressure detection device is a full hardware processing execution circuit, the signal transmission speed is fast, and the time delay can be reduced. In addition, when the basket pressure is in an abnormal state, the motor can be quickly stopped, thereby improving the accuracy and reliability of the basket pressure detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the electrical principle of a first basket pressure detection device provided by an embodiment of the present invention;

[0023] Figure 2 It is a schematic diagram of the electrical principle of pressure basket detection in the prior art;

[0024] Figure 3A schematic diagram of the electrical principle of a second basket pressure detection device provided by an embodiment of the present invention;

[0025] Figure 4 A schematic diagram of the electrical principle of a third basket pressure detection device provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0027] Figure 1 The electrical principle diagram of the first basket pressure detection device provided by the embodiment of the present invention is as follows: Figure 1 As shown, the basket pressing detection device comprises: a signal conversion module 10 and a plurality of basket pressing detection modules 20; the signal conversion module 10 comprises an OR gate circuit 101; the plurality of basket pressing detection modules 20 are all electrically connected to the OR gate circuit 101, for detecting basket pressing state information at a plurality of positions in a basket, and sending the basket pressing state information to the OR gate circuit 101; the OR gate circuit 101 is electrically connected to a motor 30, for determining whether the basket state is an abnormal basket pressing state or a normal state according to the basket pressing state information, and controlling the motor 30 to stop running when the basket state is an abnormal basket pressing state.

[0028] Specifically, the motor 30 is electrically connected to the manipulator, and is used to drive the manipulator to carry components. When there is a component in a certain area of ​​the flower basket, if the manipulator continues to place components in the area, there will be squeezing or collision between the two components, and then the basket pressing abnormality will occur. Therefore, the technical solution provided by the embodiment of the present invention can quickly stop the motor operation when the basket pressing abnormality occurs, so as to prevent squeezing or collision between components.

[0029] Specifically, by arranging a plurality of basket pressing detection modules 20 in the basket, the plurality of basket pressing detection modules 20 can detect the basket pressing state information of a plurality of positions in the basket, and send the basket pressing state information to the OR gate circuit 101. Exemplarily, if the basket pressing detection module 20 outputs a high level when detecting the basket pressing abnormality, and outputs a low level when the basket pressing abnormality is not detected, that is, in a normal state, the plurality of basket pressing detection modules 20 are electrically connected to the OR gate circuit 101, so that as long as one of the basket pressing detection modules 20 detects the basket pressing abnormality and outputs a high level, the OR gate circuit 101 finally outputs a high level, determines that the basket state is the basket pressing abnormal state, controls the motor 30 to stop running, and then stops the mechanical arm from moving, so as to prevent the mechanical arm from continuing to move the components to cause the two components to be squeezed or collided, thereby avoiding damage to the components.

[0030] Specifically, as a comparative example, Figure 2 The electrical principle diagram of the pressure basket detection in the prior art is as follows: Figure 2 As shown, in the prior art, a PLC is used to control the operation or stop of the motor according to the detection results of multiple basket pressing detection sensors. In this way, the PLC needs to perform software cycle scanning, and when the basket pressing abnormal state occurs, there will be a time delay, resulting in insufficient braking distance, and then there will be problems such as damage to components caused by untimely motor shutdown. In addition, in order to improve the problem of insufficient braking distance in the prior art, the length of the sensor is usually set to be relatively long, generally 134.5mm, which will cause problems such as a high height of the basket machine. However, the technical solution provided by the embodiment of the present invention is provided by setting a signal conversion module, and the signal conversion module includes an OR gate circuit, and the OR gate circuit 101 determines whether the basket state is an abnormal basket pressing state or a normal state through the basket pressing state information, and when the basket state is an abnormal basket pressing state, the motor 30 is controlled to stop running, that is, the basket pressing detection device provided by the embodiment of the present invention adopts a full hardware processing execution circuit, and the signal transmission speed is close to the speed of light, without time delay, and when the basket pressing abnormality occurs, the motor can be stopped in time to prevent damage to components caused by extrusion or collision. In addition, the technical solution provided by the embodiment of the present invention has no time delay, so there is no need to set the length of the sensor to be relatively long. Generally, the length of the sensor can be set to 105 mm. Compared with the prior art, the length of the sensor can be reduced by nearly 30 mm, which is beneficial to reduce the height of the flower basket machine, thereby reducing the volume of the whole machine and realizing a miniaturized setting.

[0031] In the basket pressure detection device provided by the embodiment of the present invention, multiple basket pressure detection modules are used to detect the basket pressure status information of multiple positions in the basket, and send the basket pressure status information to the OR gate circuit. The OR gate circuit determines whether the basket state is an abnormal basket pressure state or a normal state according to the basket pressure status information, and controls the motor to stop running when the basket state is an abnormal basket pressure state. By adopting the signal conversion module, the signal conversion module includes the OR gate circuit, that is, the basket pressure detection device is a full hardware processing execution circuit, the signal transmission speed is fast, and the time delay can be reduced. Then, when the basket pressure is in an abnormal state, the motor can be quickly stopped, thereby improving the accuracy and reliability of the basket pressure detection.

[0032] Optional, Figure 3 The electrical principle diagram of the second basket pressure detection device provided by the embodiment of the present invention is as follows: Figure 3 As shown, the basket pressing detection device also includes: a servo drive module 40; the servo drive module 40 is electrically connected to the OR gate circuit 101 and the motor 30 respectively, and is used to drive the motor 30 to stop running when the OR gate circuit 101 determines that the basket state is an abnormal basket pressing state, or to drive the motor 30 to operate normally when the OR gate circuit determines that the basket state is a normal state.

[0033] Specifically, the servo drive module 40 is used to drive the motor 30 to stop running or run normally. When the OR gate circuit 101 determines that the basket state is in the abnormal basket pressing state, the servo drive module 40 drives the motor 30 to stop running, so that the manipulator can immediately stop carrying components to prevent multiple components from being squeezed, or when the OR gate circuit determines that the basket state is in the normal state, the servo drive module 40 drives the motor 30 to run normally, so that the manipulator can carry components normally.

[0034] Optional, Figure 4 The electrical principle diagram of the third basket pressure detection device provided by the embodiment of the present invention is as follows: Figure 4 As shown, the basket pressing detection device further includes: a control module 50; the control module 50 is electrically connected to the servo driving module 40 and the plurality of basket pressing detection modules 20, respectively, and is used to determine the position where the basket pressing abnormality occurs in the flower basket according to the basket pressing state information.

[0035] Specifically, the control module 50 is electrically connected to the servo drive module 40 and the plurality of basket press detection modules 20, respectively. Thus, on the one hand, it is possible to determine which basket press detection module has detected an abnormal signal based on the basket press status information detected by the plurality of basket press detection modules 20, and thus determine the abnormal position of the basket press. On the other hand, when a signal interruption occurs between the signal conversion module 10 and the servo drive module 40, causing the motor to be unable to stop reliably, the motor 30 can be controlled to stop by the control module 50, thereby achieving double insurance, which is beneficial to ensuring the reliable shutdown of the motor and the stability and reliability of the basket press detection device.

[0036] Specifically, the control module 50 can determine which basket pressure detection module 20 has detected an abnormal signal based on the real-time basket pressure status information and the preset basket pressure status information detected by the multiple basket pressure detection modules 20. The preset basket pressure status information can be understood as the signal detected by the basket pressure detection module 20 when the basket pressure abnormality occurs. When the real-time basket pressure status information is the same as the preset basket pressure status information, it means that the position detected by the basket pressure detection module 20 has an abnormal basket pressure, otherwise, no abnormal basket pressure occurs.

[0037] Optional, continue to refer to Figure 4 The servo drive module 40 includes an interrupt response interface.

[0038] Specifically, when the interrupt response interface of the servo drive module 40 receives an abnormal signal, it can quickly cut off the energy to the servo motor and stop the operation of the motor, which is beneficial to quickly shut down the motor when the basket is pressed abnormally, reduce time delay, and avoid damage to components.

[0039] Optional, continue to refer to Figure 4 , the control module 50 includes a programmable logic controller.

[0040] Specifically, the control module 50 includes a programmable logic controller, that is, the control module 50 can use a PLC, and the diagnostic function of the PLC can quickly identify and locate problems and reduce production downtime. In addition, the PLC can operate stably in harsh industrial environments and has high anti-interference ability and fault tolerance.

[0041] Optional, continue to refer to Figure 1 , the signal conversion module 10 includes a plurality of input interfaces; the number of the input interfaces is the same as the number of the basket pressure detection modules 20, and the input interfaces are electrically connected to the basket pressure detection modules 20 in a one-to-one correspondence.

[0042] Specifically, since it is necessary to set up multiple basket pressure detection modules 20 to detect the basket pressure status information at different positions, multiple input interfaces of the signal conversion module 10 are electrically connected to the basket pressure detection modules 20 in a one-to-one correspondence, so that the signal conversion module 10 can receive the detection signal of each basket pressure detection module 20, which is beneficial for the OR gate circuit 101 to perform an OR logic operation on each detection signal to determine whether the basket state is an abnormal basket pressure state or a normal state, so as to control the operation or stop of the motor.

[0043] Optional, continue to refer to Figure 1 The basket pressing detection device further includes an alarm module 60; the alarm module 60 is electrically connected to the OR gate circuit 101, and is used to output an alarm signal when the OR gate circuit 101 determines that the basket state is an abnormal basket pressing state.

[0044] Specifically, when the OR gate circuit 101 determines that the flower basket state is an abnormal basket pressing state, the alarm module 60 outputs an alarm signal to remind the operation and maintenance personnel to perform maintenance on the flower basket in time to prevent multiple components from being damaged due to squeezing or collision.

[0045] Optional, continue to refer to Figure 1 The alarm module 60 includes an audible and visual alarm module.

[0046] Specifically, the alarm signal output by the sound and light alarm module may be a sound alarm and a light alarm, so that the operation and maintenance personnel can be alerted when the basket is in an abnormal state.

[0047] Optional, continue to refer to Figure 1 The basket pressure detection module 20 includes: a negative-positive-positive transistor basket pressure detection sensor or a positive-negative-positive transistor basket pressure detection sensor.

[0048] Specifically, as a feasible implementation, the basket pressure detection module 20 includes a negative-positive transistor basket pressure detection sensor. When the basket pressure detection sensor detects a component, the output signal is a low level, and when no component is detected, the output signal is a high level.

[0049] As another feasible implementation, the basket pressure detection module 20 includes a positive and negative positive transistor basket pressure detection sensor. When the basket pressure detection sensor detects components, the output signal is a high level, and when no components are detected, the output signal is a low level. In this way, on the one hand, it is possible to realize diversified settings of the basket pressure detection device, and on the other hand, it is possible to detect the basket pressure status information at different positions in the flower basket.

[0050] Optional, continue to refer to Figure 1 The basket pressure detection module 20 includes a photoelectric detection sensor, a laser detection sensor or an ultrasonic detection sensor.

[0051] Specifically, as a feasible implementation, the basket pressing detection module 20 includes a photoelectric detection sensor. The photoelectric detection sensor is a sensor that converts an optical signal into an electrical signal. During the basket pressing detection process, the photoelectric sensor can detect whether the basket pressing is in place by using the light beam being blocked or reflected. For example, a through-beam photoelectric sensor can be used, and the transmitter and the receiver can be installed on both sides of the basket pressing, respectively. When the basket pressing is in place, the light beam is blocked, and the receiver detects that the light is weakened or interrupted, thereby outputting a signal indicating that the basket pressing is in place. This method can realize non-contact detection, has a fast response speed, and is not affected by the surface state of the object being detected.

[0052] As another feasible implementation, the basket pressure detection module 20 includes a laser detection sensor, which uses laser technology for measurement and detection, and has high precision, long measurement distance and strong anti-interference ability. They detect the position, distance, speed or other characteristics of the target object through the interaction between the laser beam and the target object, such as reflection, scattering or absorption. The laser sensor can respond quickly and monitor the state of the basket pressure in real time. In addition, the laser sensor can provide very accurate measurement results, which is crucial to ensure the accuracy of the basket pressure position.

[0053] As another feasible implementation, the basket pressure detection module 20 includes an ultrasonic detection sensor, which uses the characteristics of ultrasonic waves for detection. The ultrasonic detection sensor detects the existence and position of an object by emitting ultrasonic waves and receiving echoes reflected from the ultrasonic waves. The advantage of such sensors is that they can provide non-contact detection and can penetrate certain materials, such as plastic and glass, and are not sensitive to color.

[0054] In summary, in the basket pressing detection device provided by the embodiment of the present invention, multiple basket pressing detection modules are used to detect the basket pressing state information of multiple positions in the basket, and send the basket pressing state information to the OR gate circuit, and the OR gate circuit determines whether the basket pressing state is an abnormal basket pressing state or a normal state according to the basket pressing state information, and controls the motor to stop running when the basket pressing state is an abnormal basket pressing state. By adopting a signal conversion module, the signal conversion module includes an OR gate circuit, that is, the basket pressing detection device is a full hardware processing execution circuit, the signal transmission speed is fast, and the time delay can be reduced, and then when the basket pressing state is abnormal, the motor can be quickly stopped, and the accuracy and reliability of the basket pressing detection can be improved. In addition, by setting a control module, on the one hand, the basket pressing abnormal position can be determined according to the basket pressing state information detected by multiple basket pressing detection modules, and on the other hand, when a signal interruption occurs between the signal conversion module and the servo drive module, causing the motor to be unable to stop reliably, the motor can be controlled to stop by controlling the control module, realizing double insurance, which is conducive to ensuring the reliable shutdown of the motor. Furthermore, compared with the prior art, the length of the sensor can be reduced by nearly 30 mm, which is conducive to reducing the height of the flower basket, thereby reducing the volume of the whole machine and achieving a miniaturized setting.

[0055] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, combinations and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A basket pressure detection device, characterized in that: include: A signal conversion module and a plurality of basket pressure detection modules; the signal conversion module includes an OR gate circuit; A plurality of the basket pressing detection modules are electrically connected to the OR gate circuit, and are used to detect the basket pressing status information of a plurality of positions in the flower basket, and send the basket pressing status information to the OR gate circuit; The OR gate circuit is electrically connected to the motor and is used to determine whether the basket state is an abnormal basket state or a normal state according to the basket state information, and control the motor to stop running when the basket state is an abnormal basket state.

2. The basket pressure detection device according to claim 1, characterized in that: The basket pressure detection device further includes: a servo drive module; The servo drive module is electrically connected to the OR gate circuit and the motor respectively, and is used to drive the motor to stop running when the OR gate circuit determines that the flower basket state is the abnormal basket pressing state, or to drive the motor to operate normally when the OR gate circuit determines that the flower basket state is the normal state.

3. The basket pressure detection device according to claim 2, characterized in that: The basket pressure detection device further includes: a control module; The control module is electrically connected to the servo drive module and the plurality of basket pressing detection modules respectively, and is used to determine the position where the basket pressing abnormality occurs in the flower basket according to the basket pressing state information.

4. The basket pressure detection device according to claim 2, characterized in that: The servo drive module includes an interrupt response interface.

5. The basket pressure detection device according to claim 3, characterized in that: The control module includes a programmable logic controller.

6. The basket pressure detection device according to claim 1, characterized in that: The signal conversion module includes a plurality of input interfaces; The number of the input interfaces is the same as the number of the basket pressure detection modules, and the input interfaces are electrically connected to the basket pressure detection modules in a one-to-one correspondence.

7. The basket pressure detection device according to claim 1, characterized in that: The basket pressure detection device also includes: an alarm module; The alarm module is electrically connected to the OR gate circuit, and is used to output an alarm signal when the OR gate circuit determines that the flower basket state is an abnormal basket pressing state.

8. The basket pressure detection device according to claim 7, characterized in that: The alarm module includes an audible and visual alarm module.

9. The basket pressure detection device according to claim 1, characterized in that: The basket pressure detection module includes: a negative-positive-positive transistor basket pressure detection sensor or a positive-negative-positive transistor basket pressure detection sensor.

10. The basket pressure detection device according to claim 1, characterized in that: The basket pressure detection module includes a photoelectric detection sensor, a laser detection sensor or an ultrasonic detection sensor.

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