Detection device for detecting anti-interference performance of sensor

Abstract

The invention discloses a detection device for detecting the anti-interference performance of a sensor, the detection device comprises a test box, the front side and the rear side of the test box are respectively provided with a first assembly part and a second assembly part, and one side of the test box is provided with a test driving assembly, and the invention relates to the technical field of anti-interference test tools. According to the detection device for detecting the anti-interference performance of the sensor, the test box is divided into the ticket conveying cavity and the simulation cavity through the transparent partition plate, a water mist and light environment is created in the simulation cavity, the emitter and the receiver are assembled through the first assembly part and the second assembly part respectively, and ticket conveying simulation is conducted through the ticket simulation assembly; the anti-interference performance of the light curtain sensor under the interference influence of water mist and different illumination intensities is tested by comparing the detected number of tickets with the actual number of conveyed tickets, the use is convenient, the operation is simple, and reliable reference data is provided for the actual application of the light curtain sensor.

Description

Technical Field

[0001] The invention relates to the technical field of anti-interference testing tooling, and in particular to a detection device for detecting the anti-interference performance of a sensor. Background Art

[0002] The light curtain sensor, also known as the measuring grating, is a device that uses infrared photoelectric sensor technology to form a protective light curtain or a measuring light curtain through an infrared beam array between a transmitter and a receiver. When the light curtain sensor is used in automatic ticket checking machine equipment, when it is interfered by strong light or water vapor, it may generate interference signals, causing the light curtain sensor to fail. It can be seen that it is very important to detect the anti-interference performance of the light curtain sensor to ensure the normal operation of the light curtain sensor. For this reason, a detection device for detecting the anti-interference performance of the sensor is proposed, which is used to test the performance of the light curtain sensor under different light intensities and water mist environments. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a detection device for detecting the anti-interference performance of a sensor, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a detection device for detecting the anti-interference performance of a sensor, comprising a test box, a first assembly part and a second assembly part are respectively arranged on the front and rear sides of the test box, a test drive component is arranged on one side of the test box, and the test drive component is used in conjunction with the first assembly part and the second assembly part respectively, a ticket simulation component is arranged on the back of the test box, a transparent partition is fixedly installed on the inner wall of the test box, the transparent partition is used to separate the inner cavity of the test box from the back to the front into a ticket conveying cavity and a simulation cavity, and a water mist simulation component is arranged in the simulation cavity.

[0005] The present invention is further configured as follows: the first assembly part and the second assembly part both include a notch surrounding frame, an assembly bar is slidably installed inside the notch surrounding frame, an assembly groove is opened on one side of the top of the assembly bar, and a battery is fixedly installed on the top of the notch surrounding frame.

[0006] The present invention is further configured as follows: the two notch surrounding frames are respectively fixedly mounted on the front and rear sides of the test box, a toothed plate is fixedly mounted on the bottom of the assembly bar, and the two sides of the toothed plate are respectively in sliding contact with the bottom of the test box and the opposite side of the notch surrounding frame; Transparent plates matched with the assembly grooves are inlaid and fixed on both the front and rear sides of the test box.

[0007] The present invention is further configured as follows: the test drive assembly comprises a servo motor and a rotating shaft, the output end of the servo motor is fixedly connected to a driving gear through a coupling, a driven gear is sleeved and fixedly connected to the middle of the outer circumference of the rotating shaft, the driving gear is meshed with the driven gear, and both ends of the rotating shaft are fixedly connected to cooperative gears; The servo motor is fixedly mounted on one side of the test box, the rotating shaft is rotatably mounted on one side of the test box through a connecting plate, and the two cooperative gears are respectively meshed with two tooth plates.

[0008] The present invention is further configured as follows: the ticket simulation assembly comprises an active roller and a driven roller, the active roller and the driven roller are connected by a conveyor belt transmission, and a plurality of through grooves are evenly spaced on the surface of the conveyor belt; The active roller and the driven roller are rotatably mounted on the bottom and top of the back of the test box through support plates, and a driving motor is fixedly mounted on one support plate of the active roller. The output end of the driving motor is fixedly connected to one end of the active roller through a coupling, and the top and bottom of the ticket conveying chamber are provided with card slots used in conjunction with the conveyor belt.

[0009] The present invention is further configured as follows: the water mist simulation component includes a water pump, the input end of the water pump is connected to a water suction pipe, the output end of the water pump is connected to a water delivery pipe, and the bottom of the water delivery pipe is connected to a plurality of atomizing nozzles.

[0010] The present invention is further configured as follows: the water pump is fixedly mounted on the other side of the test box, one end of the water suction pipe penetrates the test box and extends to the bottom of the inner cavity of the simulation chamber; One end of the water delivery pipe passes through the test box and is fixedly connected to one side of the inner cavity of the simulation cavity. A plurality of atomizing nozzles are arranged inside the simulation cavity.

[0011] The present invention is further configured such that: an illumination lamp is fixedly installed on the top of the inner cavity of the simulation cavity.

[0012] The present invention provides a detection device for detecting the anti-interference performance of a sensor. It has the following beneficial effects: (1) The present invention divides the test box into a ticket conveying chamber and a simulation chamber by a transparent partition, creates a water mist and light environment in the simulation chamber, assembles a transmitter and a receiver respectively by using a first assembly part and a second assembly part, simulates the conveying of tickets by using a ticket simulation component, compares the number of detected tickets with the actual number of conveyed tickets, and realizes the test of the anti-interference performance of the light curtain sensor under the influence of water mist and different light intensities. The present invention is easy to use and simple to operate, and provides reliable reference data for the practical application of the light curtain sensor.

[0013] (2) The present invention provides reliable drive for the synchronous reciprocating movement of the first assembly part and the second assembly part by setting the test drive component, thereby effectively improving the test efficiency of the light curtain sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the external structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the test box of the present invention; Figure 3 It is a schematic diagram of the connection between the test box and the ticket simulation component structure of the present invention; Figure 4 It is a schematic diagram of the connection between the test box, the first assembly part, the second assembly part and the test drive assembly structure of the present invention; Figure 5 It is a structural schematic diagram of the first assembly part of the present invention; Figure 6 It is a schematic diagram of the structure of the water mist simulation component of the present invention.

[0015] In the figure: 1. Test box; 101. Transparent partition; 102. Ticket conveying chamber; 103. Simulation chamber; 104. Transparent plate; 105. Card slot; 2. First assembly part; 201. Notch surrounding frame; 202. Assembly strip; 203. Assembly slot; 204. Storage battery; 205. Tooth plate; 3. Second assembly; 4. Test drive assembly; 401. servo motor; 402. rotating shaft; 403. driving gear; 404. driven gear; 405. cooperative gear; 5. Ticket simulation component; 501. Active roller; 502. Driven roller; 503. Conveyor belt; 504. Through slot; 505. Driving motor; 6. Water mist simulation component; 601. Water pump; 602. Water suction pipe; 603. Water delivery pipe; 604. Atomizing nozzle; 7. Lighting. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] See also Figure 1-6 , the embodiment of the present invention provides the following technical solutions: Embodiment 1: A detection device for detecting the anti-interference performance of a sensor, comprising a test box 1, wherein a first assembly part 2 and a second assembly part 3 are respectively arranged on the front and rear sides of the test box 1, wherein the first assembly part 2 and the second assembly part 3 both comprise a notch surrounding frame 201, wherein the two notch surrounding frames 201 are respectively fixedly mounted on the front and rear sides of the test box 1, wherein an assembly strip 202 is slidably mounted inside the notch surrounding frame 201, wherein an assembly groove 203 is provided on one side of the top of the assembly strip 202, wherein a battery 204 is also fixedly mounted on the top of the notch surrounding frame 201, and a transparent plate 104 used in conjunction with the assembly groove 203 is inlaid and fixed on the front and rear sides of the test box 1.

[0018] As a detailed description, the assembly grooves 203 on the two assembly bars 202 are used to assemble the transmitter and the receiver respectively. In order to facilitate the power supply to the transmitter and the receiver, after the transmitter and the receiver are assembled into the assembly grooves 203, holes are punched according to the positions where the top conductive interfaces of the transmitter and the receiver contact the top of the notch frame 201, and metal conductive sheets are inserted and fixed at the punched holes. After the metal conductive sheets are connected to the battery 204, when the assembly bar 202 drives the transmitter and the receiver into the set position in the notch frame 201, the top conductive interfaces of the transmitter and the receiver contact the metal conductive sheets, and the transmitter and the receiver can be powered by the battery 204.

[0019] As a preferred solution, in order to realize convenient driving of the assembly strip 202, a test drive component 4 is provided on one side of the test box 1. The test drive component 4 is used in conjunction with the two phases. The test drive component 4 includes a servo motor 401 and a rotating shaft 402. The servo motor 401 can rotate forward and reverse, is electrically connected to an external power supply, and is controlled by a control switch. The servo motor 401 is fixedly installed on one side of the test box 1, and the rotating shaft 402 is rotatably installed on one side of the test box 1 through a connecting plate. The output end of the servo motor 401 A driving gear 403 is fixedly connected via a coupling, a driven gear 404 is sleeved and fixedly connected to the middle of the outer circumference of the rotating shaft 402, the driving gear 403 is meshed with the driven gear 404, both ends of the rotating shaft 402 are fixedly connected with cooperative gears 405, a tooth plate 205 is fixedly installed at the bottom of the assembly strip 202, and the two sides of the tooth plate 205 are respectively in sliding contact with the bottom of the opposite side of the test box 1 and the notch surrounding frame 201, and the two cooperative gears 405 are respectively meshed with the two tooth plates 205.

[0020] A transparent partition 101 is fixedly mounted on the inner wall of the test box 1 , and the transparent partition 101 is used to separate the inner cavity of the test box 1 into a ticket conveying cavity 102 and a simulation cavity 103 from the back to the front.

[0021] As a preferred solution, in order to simulate the normal working state of the light curtain sensor, a ticket simulation component 5 is provided on the back of the test box 1. The ticket simulation component 5 includes an active roller 501 and a driven roller 502. The active roller 501 and the driven roller 502 are rotatably mounted on the bottom and top of the back of the test box 1 through a support plate, and a driving motor 505 is fixedly mounted on a support plate of the active roller 501. The driving motor 505 is electrically connected to an external power supply and is controlled by a control switch. The output end of the driving motor 505 is connected to the active roller 501 through a coupling. 01 is fixedly connected at one end, the active roller 501 and the driven roller 502 are connected through the transmission of the conveyor belt 503, and the surface of the conveyor belt 503 is evenly spaced with a plurality of through grooves 504, and the opening of the plurality of through grooves 504 forms a blocking portion on the surface of the conveyor belt 503 between two adjacent through grooves 504, and the blocking portion serves as a simulated form of the ticket. The top and bottom of the ticket conveying chamber 102 are provided with card slots 105 used in conjunction with the conveyor belt 503, and the top of the inner cavity of the simulation cavity 103 is fixedly installed with an illuminating lamp 7.

[0022] To further illustrate, the illuminating lamp 7 is electrically connected to an external power source and is controlled by a control switch. By controlling the output power of the illuminating lamp 7 , adjustment of different light intensities can be achieved.

[0023] In this embodiment, the ticket simulation component 5 is used to carry out a circular conveyance of tickets, and a known number of tickets is provided for the normal ticket detection of the transmitter and the receiver. The simulation cavity 103 is used to simulate environments with different light intensities. Under environments with different light intensities, the number of tickets detected by the transmitter and the receiver is compared with the known number of tickets. When the numbers are inconsistent, it can be determined that the transmitter and the receiver are interfered with by the light, thereby realizing the anti-interference performance detection of the transmitter and the receiver.

[0024] Embodiment 2. This embodiment is an improvement on the previous embodiment. It is a detection device for detecting the anti-interference performance of a sensor. A water mist simulation component 6 is provided in the simulation cavity 103. The water mist simulation component 6 includes a water pump 601. The water pump 601 is electrically connected to an external power supply and is controlled by a control switch. The water pump 601 is fixedly installed on the other side of the test box 1. The input end of the water pump 601 is connected to a water suction pipe 602. One end of the water suction pipe 602 passes through the test box 1 and extends to the bottom of the inner cavity of the simulation cavity 103. The output end of the water pump 601 is connected to a water supply pipe 603. The bottom of the water supply pipe 603 is connected to a plurality of atomizing nozzles 604. One end of the water supply pipe 603 passes through the test box 1 and is fixedly connected to one side of the inner cavity of the simulation cavity 103. The plurality of atomizing nozzles 604 are all arranged inside the simulation cavity 103.

[0025] The advantage of the second embodiment over the first embodiment is that the circulation of water is achieved through the arrangement of the water pump 601, the water suction pipe 602, the water delivery pipe 603 and the simulation chamber 103, and the arrangement of the atomizing nozzle 604 is used to create a water mist environment in the simulation chamber 103, providing convenient conditions for the anti-interference performance detection of the transmitter and the receiver in the water mist environment.

[0026] When in use, the transmitter and the receiver are respectively placed in the assembly grooves 203 of the two assembly bars 202 arranged at the front and rear. During installation, it is necessary to ensure that the transmitter and the receiver can form an effective grating when working; The servo motor 401 is started, and the servo motor 401 drives the driving gear 403 to rotate, and the driving gear 403 drives the driven gear 404 to rotate the rotating shaft 402, and the rotating shaft 402 drives the two coordinated gears 405 to rotate, and the two coordinated gears 405 respectively drive a tooth plate 205 to make the two assembly strips 202 drive the assembled transmitter and receiver into the notch frame 201, and the servo motor 401 is turned off, and the battery 204 supplies energy to the transmitter and receiver through the metal conductive sheet, so that the transmitter and receiver start to work; The driving motor 505 is started, and the driving motor 505 drives the active roller 501 to rotate, and the active roller 501 drives the driven roller 502 to rotate through the conveyor belt 503. Under the set output power, the number of blocking parts on the conveyor belt 503 passing between the two transparent plates 104 within the test time is pre-recorded as the known number of tickets within the test time; After the transmitter and receiver work for a test period, the number of tickets detected is obtained. During the test, the environment in the simulation cavity 103 is simulated: Simulation method 1: adjusting the output power of the lighting lamp 7 to create environments with different light intensities in the simulation cavity 103; Simulation method 2: start the water pump 601, the water pump 601 extracts water from the bottom of the simulation chamber 103 through the water suction pipe 602, transports it to the water delivery pipe 603, and sprays it out from the atomizing nozzle 604, creating a water mist environment in the simulation chamber 103; Simulation method 3, a combination of simulation method 1 and simulation method 2, creates a water mist environment under different light intensities in the simulation cavity 103; The detected quantity is compared with the threshold ticket quantity. If the two quantities are inconsistent, it is determined that the transmitter and the receiver are affected by the simulation method in the simulation cavity 103.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. 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 these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detection device for detecting the anti-interference performance of a sensor, characterized in that: The test box (1) comprises a test box (1), wherein a first assembly part (2) and a second assembly part (3) are respectively arranged on the front and rear sides of the test box (1), a test drive component (4) is arranged on one side of the test box (1), and the test drive component (4) is used in conjunction with the first assembly part (2) and the second assembly part (3), respectively; a ticket simulation component (5) is arranged on the back of the test box (1), and a transparent partition (101) is fixedly installed on the inner wall of the test box (1), and the transparent partition (101) is used to separate the inner cavity of the test box (1) from the back to the front into a ticket conveying cavity (102) and a simulation cavity (103), and a water mist simulation component (6) is arranged in the simulation cavity (103).

2. A detection device for detecting the anti-interference performance of a sensor according to claim 1, characterized in that: The first assembly part (2) and the second assembly part (3) both comprise a notch surrounding frame (201), an assembly bar (202) being slidably mounted inside the notch surrounding frame (201), an assembly groove (203) being provided on one side of the top of the assembly bar (202), and a storage battery (204) being fixedly mounted on the top of the notch surrounding frame (201).

3. A detection device for detecting the anti-interference performance of a sensor according to claim 2, characterized in that: The two notch surrounding frames (201) are respectively fixedly mounted on the front and rear sides of the test box (1); a toothed plate (205) is fixedly mounted on the bottom of the assembly strip (202); and the two sides of the toothed plate (205) are respectively in sliding contact with the bottom of the test box (1) and the notch surrounding frame (201) on the opposite side; Transparent plates (104) that cooperate with the assembly grooves (203) are inlaid and fixed on both the front and rear sides of the test box (1).

4. A detection device for detecting the anti-interference performance of a sensor according to claim 3, characterized in that: The test drive assembly (4) comprises a servo motor (401) and a rotating shaft (402); the output end of the servo motor (401) is fixedly connected to a driving gear (403) via a coupling; a driven gear (404) is sleeved and fixedly connected to the middle of the outer circumference of the rotating shaft (402); the driving gear (403) and the driven gear (404) are meshed and matched; and both ends of the rotating shaft (402) are fixedly connected to cooperative gears (405); The servo motor (401) is fixedly mounted on one side of the test box (1), the rotating shaft (402) is rotatably mounted on one side of the test box (1) via a connecting plate, and the two cooperative gears (405) are respectively meshed with the two tooth plates (205).

5. The detection device for detecting the anti-interference performance of a sensor according to claim 1, characterized in that: The ticket simulation component (5) comprises an active roller (501) and a driven roller (502), wherein the active roller (501) and the driven roller (502) are connected to each other by a transmission belt (503), and a plurality of through grooves (504) are evenly spaced on the surface of the transmission belt (503); The active roller (501) and the driven roller (502) are rotatably mounted on the bottom and top of the back of the test box (1) via support plates, respectively, and a driving motor (505) is fixedly mounted on one support plate of the active roller (501), the output end of the driving motor (505) being fixedly connected to one end of the active roller (501) via a coupling, and a card slot (105) for use with a conveyor belt (503) is provided at the top and bottom of the ticket conveying chamber (102).

6. The device for detecting the anti-interference performance of a sensor according to claim 1, characterized in that: The water mist simulation component (6) comprises a water pump (601), the input end of the water pump (601) is connected to a water suction pipe (602), the output end of the water pump (601) is connected to a water supply pipe (603), and the bottom of the water supply pipe (603) is connected to a plurality of atomizing nozzles (604).

7. The device for detecting the anti-interference performance of a sensor according to claim 6, characterized in that: The water pump (601) is fixedly mounted on the other side of the test box (1), and one end of the water suction pipe (602) passes through the test box (1) and extends to the bottom of the inner cavity of the simulation cavity (103); One end of the water supply pipe (603) passes through the test box (1) and is fixedly connected to one side of the inner cavity of the simulation cavity (103); a plurality of atomizing nozzles (604) are arranged inside the simulation cavity (103).

8. The device for detecting the anti-interference performance of a sensor according to claim 1, characterized in that: An illumination lamp (7) is fixedly mounted on the top of the inner cavity of the simulation cavity (103).

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