Detection device

Abstract

The utility model provides a detection device. The detection device comprises a sensor, a magnet assembly, a detection shaft and a housing. The sensor is arranged in the shell; the first end of the shell is provided with a first through hole; one end of the detection shaft is arranged in a sensing area of the sensor, and the other end of the detection shaft penetrates through the first through hole and extends out for a preset distance; and a magnet assembly is arranged at the second end, through which the non-detection shaft passes, of the shell. The problem that a plurality of detection points need to be arranged when a common detection device is used for detecting different positions is effectively solved, the detection device can be arranged at an iron-containing place on any plane through the arrangement of the magnet assembly, the detection device can be flexibly placed at any position on the plane, and the placement position of a workpiece to be detected is detected accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to position detection technical field, in particular to a detection device. BACKGROUND

[0002] When processing PCB (Printed Circuit Board), need to ensure that the PCB reaches the processing position, and in order to ensure that it reaches the processing position, the device for detecting its position works.

[0003] The traditional position detection adopts the combination mode of mechanical pressing device, travel switch and switch state detection to carry out position detection.

[0004] And the traditional position detection can only be set in a specific position to be fixedly connected by bolts, and then the workpiece to be detected is sent to the detection device for detection, and various position detections need to be set multiple threaded positions, which is complicated to operate and increases the cost. UTILITY MODEL CONTENTS

[0005] In view of the above problems, the utility model is provided to provide a detection device which overcomes the above problems or at least partially solves the above problems.

[0006] In order to solve the above problems, the utility model discloses a detection device, which comprises a sensor, a magnet assembly, a detection shaft and a shell.

[0007] Further, the sensor is fixed to the inner wall of the shell.

[0008] Further, the center of the sensing area of the sensor is arranged at the same height position as the center of the first through hole.

[0009] Further, the second end is provided with a second through hole, and the center of the second through hole is located at the same height position as the center of the first through hole.

[0010] Further, the magnet assembly comprises a plurality of magnet blocks, and the plurality of magnet blocks are arranged at the second end in a certain distribution relationship.

[0011] Further, the detection shaft is further provided with a limiting ring.

[0012] The utility model has the following advantages:

[0013] The magnet assembly is arranged in the shell, the detection device can be implemented, and is no longer limited by environmental factors, and can be fixed on any position on a plane by the magnetic attraction force of the magnet assembly on a machine or a flow line with metal iron, so that the detection device can be flexibly placed on the plane for detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of an embodiment of a detection device of the present application;

[0015] Figure 2 is a side view of an embodiment of a detection device of the present application;

[0016] Figure 3 is a structural schematic diagram of a shell of an embodiment of a detection device of the present application.

[0017] In the figure: 1, sensor; 2, magnet assembly; 3, detection shaft; 4, shell; 41, first through hole; 42, second through hole. DETAILED DESCRIPTION

[0018] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0019] Embodiment 1

[0020] Referring to Figure 1 , a structural schematic diagram of a detection device of the present application is shown, which can specifically include: a sensor 1, a magnet assembly 2, a detection shaft 3 and a shell 4. It should be noted that the sensor 1 is used to sense the position of a workpiece to be detected and generate a signal to be transmitted, the magnet assembly 2 is used to fix, and the detection shaft 3 is used to transmit the change of the workpiece to be detected to the sensor 1.

[0021] The sensor 1 is arranged in the shell 4; a first through hole 41 is arranged at a first end of the shell 4; one end of the detection shaft 3 is arranged in the sensing area of the sensor 1, and the other end extends out by a preset distance through the first through hole 41. It should be noted that the end of the detection shaft 3 extending out of the first through hole 41 is against the workpiece to be detected during use, one end of the detection shaft 3 is against the workpiece to be detected, and the other end transmits the positional relationship of the workpiece to be detected, so that the end of the detection shaft 3 in the sensing area of the sensor 1 can also reflect the positional relationship of the workpiece to be detected, thereby being sensed by the sensor 1 and emitting a signal. In addition, the diameter of the first through hole 41 should be the same as the diameter of the detection shaft 3, and the detection shaft 3 can only move in the axial direction when passing through the first through hole 41, and the radial movement is limited.

[0022] Further, the sensor 1 is powered by an external power supply, and the sensor 1 is also electrically connected with a control circuit, and the control circuit is also provided with an indicator light, the control circuit only processes the signal detected by the sensor 1, and a value can be set as a standard value, the signal is converted into data in the control circuit according to a certain relationship, and the data is compared with the standard value, if the data is the same as the standard value, the position of the workpiece to be detected is correct, if the data is different from the standard value, subsequent processing is carried out, and more preferably, the control circuit is also provided with an indicator light, if the data is the same as the standard value, a green light is emitted, if the data is different from the standard value, a red light is emitted, so that the positional relationship of the workpiece to be detected can be intuitively detected, and of course, the position of the indicator light can also be arranged on the shell 4 and the detection shaft 3, and the position is not limited, but no matter which position is arranged, the indicator light needs to be electrically connected with the control circuit.

[0023] Further, the second end of the shell 4 through which the detection shaft 3 passes is provided with a magnet assembly 2. It should be noted that the magnet assembly 2 is arranged on the shell 4, so that the detection device can be conveniently arranged at any position on the plane during use, and the position of the workpiece to be detected can be more conveniently detected, and a plurality of detection points no longer need to be arranged.

[0024] Embodiment 2

[0025] Reference Figure 1 , a structure schematic view of a detection device is shown, which can specifically include: a sensor 1, a magnet assembly 2, a detection shaft 3 and a shell 4, and it should be noted that the sensor 1 is used to sense the position of a workpiece to be detected and generate a signal to be transmitted, the magnet assembly 2 is used for fixation, and the detection shaft 3 is used to transmit the change of the workpiece to be detected to the sensor 1.

[0026] The sensor 1 is arranged in the shell 4; a first through hole 41 is arranged at the first end of the shell 4; one end of the detection shaft 3 is arranged in the sensing area of the sensor 1, and the other end passes through the first through hole 41 and extends by a predetermined distance. It should be noted that the end of the detection shaft 3 extending out of the first through hole 41 is arranged to abut against the workpiece to be detected during use, one end of the detection shaft 3 abuts against the workpiece to be detected, and the other end transmits the positional relationship of the workpiece to be detected, so that the one end of the detection shaft 3 in the sensing area of the sensor 1 can also reflect the positional relationship of the workpiece to be detected, thereby being sensed by the sensor 1 and emitting a signal. In addition, the diameter of the first through hole 41 should be the same as the diameter of the detection shaft 3, and when the detection shaft 3 passes through the first through hole 41, it can only move in the axial direction, and the radial movement is limited.

[0027] Further, the sensor 1 is powered by an external power supply, and the sensor 1 is also electrically connected with a control circuit, and the control circuit is also provided with an indicator light, the control circuit only processes the signal detected by the sensor 1, and a value can be set as a standard value, the signal is converted into data in the control circuit according to a certain relationship, and the data is compared with the standard value, if the data is the same as the standard value, the position of the workpiece to be detected is correct, if the data is different from the standard value, subsequent processing is carried out, and more preferably, the control circuit is also provided with an indicator light, if the data is the same as the standard value, a green light is emitted, if the data is different from the standard value, a red light is emitted, so that the positional relationship of the workpiece to be detected can be directly detected, and of course, the position of the indicator light can also be arranged on the shell 4 and the detection shaft 3, and the position is not limited, but no matter which position is arranged, the indicator light needs to be electrically connected with the control circuit.

[0028] Further, the shell 4 is provided with a magnet assembly 2 at the second end through which the detection shaft 3 passes. It should be noted that the magnet assembly 2 is arranged on the shell 4, so that the detection device can be fixedly arranged at any position on the plane during use, and the position of the workpiece to be detected can be more conveniently detected, and multiple detection points no longer need to be arranged.

[0029] Referring to Figure 1 , the sensor 1 is fixed to the inner wall of the shell 4. It should be noted that more preferably, the sensor 1 is arranged on the inner wall of the shell 4 away from the first through hole 41, and by arranging a long distance, the positional relationship of the workpiece to be detected can be amplified, and the detection shaft 3 can be transmitted to the sensing area of the sensor 1, so that whether the position of the workpiece to be detected is in place can be more accurately judged.

[0030] Further, the center of the sensing area of the sensor 1 is arranged at the same height position as the center of the first through hole 41. It should be noted that the sensing area of the sensor 1 is located directly below the sensor 1, and the center of the sensing area of the sensor 1 is arranged at the same height position as the center of the first through hole 41, so that the detection shaft 3 can reach the sensing area at a horizontal height.

[0031] Further, the second end is provided with a second through hole 42, and the center of the second through hole 42 is located at the same height position as the center of the first through hole 41. It should be noted that the detection shaft 3 can move in the second through hole 42, the first through hole 41 and the sensing area, so that a larger range of positional relationship can be detected, and in addition, the diameter of the second through hole 42 is at least larger than the diameter of the detection shaft 3, since the first through hole 41 has already played a role in limiting the detection shaft 3, therefore the diameter of the second through hole 42 is not less than the diameter of the detection shaft 3, and not less than the diameter of the first through hole 41.

[0032] Embodiment 3

[0033] With reference to Figure 1 , show a kind of detection device structural schematic diagram of the utility model, specifically can include: sensor 1, magnet assembly 2, detection shaft 3 and shell 4, it needs to be explained that the sensor 1 is used to induct the position of workpiece to be detected, and signal is generated and passed out, the magnet assembly 2 is used to fix, the detection shaft 3 is used to pass the change of workpiece to be detected to the sensor 1.

[0034] The sensor 1 is arranged in the shell 4;The first end of the shell 4 is provided with a first through hole 41;One end of the detection shaft 3 is arranged in the inductive area of the sensor 1, and the other end passes through the first through hole 41 and extends by a preset distance.It needs to be explained that the end of the detection shaft 3 extending out of the first through hole 41 is rested on the workpiece to be detected when in use, one end of the detection shaft 3 is rested on the workpiece to be detected, and the other end transmits the positional relationship of the workpiece to be detected, so that the end of the detection shaft 3 in the inductive area of the sensor 1 can also reflect the positional relationship of the workpiece to be detected, so as to be inducted by the sensor 1 and signal is sent out.In addition, the diameter of the first through hole 41 should be the same as the diameter of the detection shaft 3, and the detection shaft 3 can only move in the axial direction when passing through the first through hole 41, and the radial movement is limited.

[0035] Further, the sensor 1 is powered by an external power supply, and the sensor 1 is also electrically connected with a control circuit, the control circuit is also provided with an indicator light, the control circuit only processes the signal detected by the sensor 1, can set a value as a standard value, the signal is converted into data in the control circuit according to a certain relationship, the data and the standard value are compared, if they are the same, the position of the workpiece to be detected is correct, if the data and the standard value are different, subsequent processing is carried out, preferably, the control circuit is also provided with an indicator light, if the data and the standard value are the same, green light is emitted, if the data and the standard value are different, red light is emitted, so that the positional relationship of the workpiece to be detected can be directly detected, of course, the position of the indicator light can also be arranged on the shell 4 and the detection shaft 3, and the position is not limited, but no matter which position is arranged, the indicator light needs to be electrically connected with the control circuit.

[0036] Further, the second end of the shell 4, through which the detection shaft 3 passes, is provided with a magnet assembly 2.It needs to be explained that the magnet assembly 2 is arranged on the shell 4, which can conveniently fix any position on the plane when the detection device is in use, and more conveniently detect the position of the workpiece to be detected, without the need to set multiple detection points.

[0037] With reference to Figure 1The sensor 1 is fixed to the inner wall of the shell 4. It should be noted that the sensor 1 is preferably arranged on the inner wall of the shell 4 away from the first through hole 41, so that the position relationship of the workpiece to be detected can be amplified, and the detection shaft 3 can be transmitted to the sensing area of the sensor 1, so that the position of the workpiece to be detected can be more accurately determined.

[0038] Further, the center of the sensing area of the sensor 1 is arranged at the same height position as the center of the first through hole 41. It should be noted that the sensing area of the sensor 1 is located directly below the sensor 1, and the center of the sensing area of the sensor 1 is arranged at the same height position as the center of the first through hole 41, so that the detection shaft 3 can reach the sensing area at a horizontal height.

[0039] Further, the second end is provided with a second through hole 42; the center of the second through hole 42 is located at the same height position as the center of the first through hole 41. It should be noted that the detection shaft 3 can move in the second through hole 42, the first through hole 41 and the sensing area, so that the position relationship of a larger range can be detected; in addition, the diameter of the second through hole 42 is at least larger than the diameter of the detection shaft 3, since the first through hole 41 has played a role in limiting the detection shaft 3, so the diameter of the second through hole 42 is not less than the diameter of the detection shaft 3, and not less than the diameter of the first through hole 41.

[0040] Further, in combination with Figure 2 and Figure 3 The magnet assembly 3 includes a plurality of magnet blocks; the plurality of magnet blocks are arranged at the second end in a certain distribution relationship. It should be noted that the plurality of magnet blocks can make the detection device more balanced, because the detection device is often used on a production line, so it is more preferred to use a magnet to fix it; secondly, the plurality of magnet blocks are symmetrically distributed at the second end, which is convenient for force balance, and one magnet block, two magnet blocks or more than two magnet blocks can be used, but it should be noted that the position of the magnet block does not overlap with the position of the second through hole 42.

[0041] Further, the detection shaft 3 is further provided with a limiting ring. The limiting ring is used to prevent the detection shaft 3 from falling off the shell 3 under the action of gravity when the detection device is in the vertical direction, of course, including but not limited to the limiting ring, a buckle structure can also be arranged on the first through hole 21 and the second through hole 42, specifically, a back hook can be arranged at both ends of the detection shaft 3 to prevent the detection shaft 3 from falling off the shell 4 in special circumstances.

[0042] Finally, it needs to be pointed out that in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or terminal device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or terminal device. Without more limitations, the element defined by the statement "includes a" does not exclude the presence of other identical elements in the process, method, article or terminal device including the element.

[0043] The above provides a kind of detection device provided by the utility model, has carried out detailed introduction, the principle and implementation mode of the utility model are described in this paper by applying specific example, the above embodiment is only for helping to understand the method of the utility model and its core idea;Meanwhile, for the general technical personnel of the field, according to the idea of the utility model, there will be changes in specific implementation mode and application range, as described above, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A detection device, characterized in that, The application relates to a sensor, a magnet assembly, a detection shaft and a shell. The sensor is arranged in the shell. A first through hole is arranged at a first end of the shell. One end of the detection shaft is arranged in an induction area of the sensor, and the other end of the detection shaft passes through the first through hole and extends by a preset distance. A magnet assembly is arranged at a second end of the shell which is not passed through by the detection shaft. The sensor is fixed to an inner wall of the shell.

2. The detection device of claim 1, wherein, The center of the induction area of the sensor is arranged at a same height position as the center of the first through hole.

3. The detection device of claim 2, wherein, A second through hole is arranged at the second end.

4. The detection device of claim 3, wherein, The center of the second through hole is arranged at a same height position as the center of the first through hole. The magnet assembly comprises a plurality of magnet blocks.

5. The detection device of claim 1, wherein, The plurality of magnet blocks are arranged at the second end in a certain distribution relationship. The detection shaft is further provided with a limiting ring.

6. The detection device of claim 1, wherein, ​

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