Device for detecting durability of exterior wall coating based on sensor

Abstract

The invention belongs to the technical field of wear analysis, and particularly relates to a sensor-based device for detecting durability of an exterior wall coating, which comprises a detection base, the detection base is fixedly connected with a long arc-shaped block through two connecting rods, an open groove is formed in the outer wall of the long arc-shaped block, a first motor is fixedly embedded in the inner wall of the open groove, and a second motor is fixedly embedded in the inner wall of the open groove. The driving end of the first motor is fixedly connected with a storage plate consistent with the slotting specification, a collecting groove is formed in the storage plate, a coating sample plate is fixed to the outer wall of the long arc-shaped block, a sampling mechanism is arranged on the coating sample plate, a notch is formed in the edge of the lower end of the long arc-shaped block, a motor is fixed in the notch, and the sampling mechanism is arranged on the coating sample plate. The driving end of the motor is fixedly connected with a disc in a vertically downward mode. According to the invention, particles falling from the coating sample plate are collected and uniformly mixed with water, and then the falling amount of the coating is determined by detecting the turbidity of liquid, so that the durability of the coating can be intuitively reflected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wear analysis, and particularly relates to a device for detecting durability of external wall paint based on a sensor. BACKGROUND

[0002] External wall paint is used for brushing the external wall surface of a building, so the most important index is resistance to ultraviolet radiation, and it is required to not change color after long-time radiation. Energy-saving and environment-friendly liquid stone water-based paint is more and more concerned by people. Some external wall paint also requires water resistance, self-cleaning, hard and smooth paint film, and the paint film can be removed by one flush, and the durability mainly considers the problems of resistance to wind, sunlight, rain and snow erosion, and ensures the adhesion and firmness of the paint in different environments.

[0003] Through retrieval, the prior art CN115266560A discloses a portable detection device and method for detecting durability of external wall paint, which comprises a conveying belt, a fixed frame is fixedly connected to the top of the conveying belt, an elastic clamping plate is fixedly connected to the inner wall of the fixed frame, and a supporting frame is fixedly connected to the top of the conveying belt. The present application relates to the field of paint detection equipment. The portable detection device and method for detecting durability of external wall paint can drive the cam to rotate by starting the first motor and driving the first rotating shaft, then drive the brush to slide left and right through the movable ring, and repeatedly wipe the detection plate, so as to facilitate the detection of the adhesion of the paint. At the same time, through the structures of the water tank, water pipe and spray head, the wet atmospheric environment can be simulated by spraying water mist, and the durability of the paint under certain humidity conditions can be detected. However, the following problems exist: The durability of the paint can be quickly obtained during the experiment, but the wear result of the paint cannot be directly obtained.

[0004] To solve the above problems, the present application provides a device for detecting durability of external wall paint based on a sensor. SUMMARY

[0005] The present application relates to the technical field of wear analysis, and particularly relates to a device for detecting durability of external wall paint based on a sensor.

[0006] In order to achieve the above object, the application adopts the following technical scheme: a device for detecting the durability of external wall paint based on a sensor, comprising a detection base, the detection base is fixedly connected with a long arc-shaped block through two connecting rods, a groove is formed in the outer wall of the long arc-shaped block, a motor one is fixedly embedded on the inner wall of the groove, the drive end of the motor one is fixedly connected with a receiving plate consistent with the specification of the groove, a collecting groove is formed in the receiving plate, a paint sample plate is fixedly arranged on the outer wall of the long arc-shaped block, a sampling mechanism is arranged on the paint sample plate, a notch is formed at the lower edge of the long arc-shaped block, an electric motor is fixedly arranged in the notch, the drive end of the electric motor is fixedly connected with a disc vertically downward, a plurality of uniformly arranged through grooves are formed in the disc, a bearing one is fixedly embedded in the through grooves, a detection tube is fixedly arranged in the inner ring of the bearing one, a discharge port is formed in the bottom of the groove, the centers of the long arc-shaped block, the electric motor and the disc are on the same vertical line, a water storage tank and an electric push rod are further fixedly arranged on the upper side wall of the electric motor, a liquid pump is arranged in the water storage tank, a drain pipe is connected to the output end of the liquid pump, the drive end of the electric push rod is connected with a turbidity sensor through a right-angle rod, the turbidity sensor is connected with a probe, the end portions of the discharge port, the probe and the drain pipe correspond to the positions of one of the detection tubes respectively, and the electric motor drives the disc to rotate to switch the connection between the detection tube and the end portions of the discharge port, the probe and the drain pipe.

[0007] In the above-mentioned device for detecting the durability of external wall paint based on a sensor, an opening is formed in the lower end of the detection tube, a bearing two is fixedly arranged in the opening, a rotating rod is fixedly arranged in the inner ring of the bearing two, stirring blades are fixedly arranged on the outer wall of the upper end of the rotating rod in the detection tube, a magnet piece is fixedly arranged at the lower end of the rotating rod, a motor two is fixedly arranged on the inner wall of the detection base below the end portion of the drain pipe, a magnet plate is fixedly arranged vertically upward at the drive end of the motor two, and the opposite side of the magnet plate and the magnet piece has opposite magnetic poles.

[0008] In the above-mentioned device for detecting the durability of external wall paint based on a sensor, the sampling mechanism comprises a fan installed on the outer side of the paint sample plate, and the fan is arranged towards the paint sample plate.

[0009] In the device for detecting the durability of external wall paint based on sensors, the fan comprises a motor three and a fan body connected with the motor three, a cooling mechanism is arranged on the fan, the cooling mechanism comprises an annular guide rail fixed on the side of the fan body away from the paint sample plate, two vertical through openings are arranged on the annular guide rail, a heat conducting pipe is embedded on the motor three, a motor four is fixed on the outer wall of the motor three, two symmetrically arranged fixing rods are fixed on the driving end of the motor four, a cooling tank containing cooling water is fixed on the end of the fixing rod, a drain pipe with the same diameter as the through opening is fixed on the end of the cooling tank, and the end of the heat conducting pipe away from the motor three is fixed on the inner wall of the through opening.

[0010] In the device for detecting the durability of external wall paint based on sensors, the outer wall of the paint sample plate is fixed with a connecting plate, the end of the connecting plate is fixed with a guide plate, a sliding block is slidably arranged on the outer wall of the guide plate, a telescopic spring is further arranged on the outer wall of the guide plate, the two ends of the telescopic spring are fixedly connected with the outer wall of the guide plate and the sliding block respectively, a knocking rod is fixed on the side of the sliding block close to the paint sample plate, a magnet block one is embedded on the outer wall of the cooling tank, and a magnet block two is embedded on the outer wall of the sliding block, and the magnet blocks one and two have the same magnetic pole on the opposite sides.

[0011] In the device for detecting the durability of external wall paint based on sensors, the end of the storage plate is provided with a discharging opening corresponding to the discharging opening, and the inner bottom wall of the collecting groove is provided with an inclined surface inclined to the discharging opening.

[0012] Compared with the prior art, the device for detecting the durability of external wall paint based on sensors has the following advantages: 1. Simulate wind erosion: start the motor one, rotate the storage plate from the vertical state to the horizontal state, which is located between the paint sample plate and the fan, the outer wall is in contact with the outer wall of the paint sample plate, the fan is started, the air is blown to the paint sample plate, the paint aging and falling off is accelerated, and the paint particles falling off fall into the collecting groove of the movable storage plate below; 2. After the paint particles falling off are stored in the storage plate, the storage plate is turned back to the slot, the valve is opened, the paint particles fall into the detection tube through the discharging opening, the motor drives the disc to rotate, the detection tube with paint particles rotates to the lower side of the drain pipe, the liquid pump in the water storage tank is started, a certain amount of water is injected into the detection tube through the drain pipe, the detection tube rotates to the turbidity sensor probe below, the probe of the turbidity sensor is driven by the electric push rod to descend and insert into the detection tube, the turbidity of the water and paint particle mixed solution is detected, and the particle concentration, that is, the paint falling amount / durability, is reflected. In summary, the application can collect the particles dropped from the paint sample plate, and determine the amount of paint dropped by detecting the turbidity of the liquid after mixing with water, and then intuitively reflect the durability of the paint. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 An external structure schematic diagram of a device for detecting the durability of external wall paint based on a sensor according to the present application; Figure 2 Another side structure schematic diagram of a device for detecting the durability of external wall paint based on a sensor according to the present application; Figure 3 A structure schematic diagram of a disc in a device for detecting the durability of external wall paint based on a sensor according to the present application; Figure 4 A structure schematic diagram of a long arc-shaped block in a device for detecting the durability of external wall paint based on a sensor according to the present application; Figure 5 A structure schematic diagram of a connection between a fan and a cooling mechanism in a device for detecting the durability of external wall paint based on a sensor according to the present application; Figure 6 A structure schematic diagram of a cooling tank after rotation in a cooling mechanism in a device for detecting the durability of external wall paint based on a sensor according to the present application; Figure 7 A sectional view of a storage plate in a device for detecting the durability of external wall paint based on a sensor according to the present application.

[0014] In the figure: 1 detection base, 2 connecting rod, 3 long arc-shaped block, 4 paint sample plate, 5 slot, 6 storage plate, 7 fan, 8 disc, 9 detection tube, 10 motor, 11 water storage tank, 12 drain pipe, 13 electric push rod, 14 turbidity sensor, 15 discharge port, 16 rotating rod, 17 magnet piece, 18 motor three, 19 annular guide rail, 20 motor four, 21 fixed rod, 22 cooling tank, 23 heat pipe, 24 drain pipe, 25 guide plate, 26 sliding block, 27 extension spring, 28 knocking rod, 29 inclined surface, 30 discharge port. DETAILED DESCRIPTION

[0015] The following examples are for illustrative purposes only and are not intended to limit the scope of the present application.

[0016] REFERENCE Figures 1-7The utility model provides a kind of based on sensor's detection outer wall paint durability device, including detection pedestal 1, detection pedestal 1 is fixedly connected with long arc block 3 by two connecting rods 2, long arc block 3 is externally provided with slot 5, motor one is fixedly embedded on the inner wall of slot 5, the drive end of motor one is fixedly connected with the storage board 6 consistent with the specification of slot 5, collection groove is opened on storage board 6, long arc block 3 is fixed with paint sample plate 4 on the outer wall, paint sample plate 4 is provided with sampling mechanism, sampling mechanism includes fan 7 installed on the outside of paint sample plate 4, fan 7 is towards paint sample plate 4 and is arranged, the end of storage board 6 is provided with discharge outlet 30 corresponding with blanking port 15, the inner bottom wall of collection groove is provided with inclined plane 29 that is inclined to discharge outlet 30 side, and the inclined plane 29 is inclined to guide flow. Simulate wind erosion: start motor one, and make storage board 6 rotate from vertical state to horizontal state, and it is between paint sample plate 4 and fan 7, outer wall is contacted with the outer wall of paint sample plate 4, fan 7 starts, and blows to paint sample plate 4, accelerates paint aging and falls off, and the paint particle that falls off falls into the collection groove of movable storage board 6 below (also can be separately arranged to move up and down the brush and falls off paint to the collection groove), and the inclined plane 29 at the bottom of collection groove is designed, and the particles are guided to discharge outlet 30 for centralized collection using gravity (to avoid that paint particles slip out during the rotation of storage board 6, valve can be provided at the bottom of discharge outlet 30, and after discharge outlet 30 is aligned with blanking port 15, it is opened again).

[0017] The outer wall of paint sample plate 4 is fixed with connecting plate, the end of connecting plate is fixed with guide plate 25, the outer wall of guide plate 25 is slidably sleeved with sliding block 26, the outer wall of guide plate 25 is also sleeved with telescopic spring 27, the two ends of telescopic spring 27 are fixedly connected with the outer wall of guide plate 25 and sliding block 26 respectively, the side of sliding block 26 close to paint sample plate 4 is fixed with knocking rod 28, the outer wall of cooling tank 22 is fixedly embedded with magnet block one, the outer wall of sliding block 26 is fixedly embedded with magnet block two, the opposite side of magnet block one and magnet block two is same magnetic pole, when cooling tank 22 on fan 7 rotates, the magnet block one on the outer wall of cooling tank 22 will periodically approach the magnet block two on sliding block 26, because the magnetic poles of the two are same (same pole), repulsion is generated, the repulsion pushes sliding block 26 with magnet block two to slide along guide plate 25 to the direction away from cooling tank 22, when cooling tank 22 is staggered with sliding block 26, sliding block 26 returns under the reverse elastic force of telescopic spring 27, and knocking rod 28 on sliding block 26 hits storage board 6, so that storage board 6 is vibrated, the paint particles in storage board 6 slide down along inclined plane 29 through vibration, so that the paint particles that fall off can all be collected in discharge outlet 30, and the error rate of subsequent detection is reduced.

[0018] The fan 7 comprises a motor three 18 and a fan body connected with the motor three 18, and the fan 7 is provided with a cooling mechanism, the cooling mechanism comprises an annular guide rail 19 fixed on a side of the fan body away from the paint sample plate 4, two vertical and corresponding arranged through openings are through in the annular guide rail 19, a heat conduction pipe 23 is embedded and fixed on the motor three 18, a motor four 20 is fixed on the outer wall of the motor three 18, two symmetrically arranged fixed rods 21 are fixed on the driving end of the motor four 20, a cooling tank 22 storing cooling water is fixed on the end of the fixed rod 21, a drain pipe 24 with the same diameter as the through opening is fixed on the end of the cooling tank 22, one end of the heat conduction pipe 23 away from the motor three 18 is fixed on the inner wall of the through opening, the motor three 18 drives the fan body to generate wind power, the heat generated by the motor three 18 is absorbed by the heat conduction pipe 23, the motor four 20 drives the fixed rod 21 and the two cooling tanks 22 fixed on the rod end to rotate on the annular guide rail 19, when the cooling tank 22 rotates to the vertical position, the drain pipe 24 on the end of the cooling tank 22 is aligned with the through opening on the annular guide rail 19, the water in the upper cooling tank 22 flows out and flows along the heat conduction pipe 23 to absorb the heat on the heat conduction pipe 23 and the motor three 18, the cooling water after absorbing heat continues to flow downward to the lower cooling tank 22 to collect, the rotation of the cooling tank 22 realizes the continuous flow of the cooling water, and the heat dissipation of the heat conduction pipe 23 and the motor three 18 is assisted, the rotation of the motor four 20 also drives the movement of the magnet block one on the cooling tank 22, and the aforementioned knocking action is triggered.

[0019] The lower end edge of the long arc-shaped block 3 is provided with a notch, and a motor 10 is fixed in the notch. The driving end of the motor 10 is fixedly connected with a disc 8 vertically downward. The disc 8 is provided with a plurality of uniformly arranged through grooves. The through grooves are fixedly embedded with bearings one. The inner ring of the bearing one is fixedly provided with a detection tube 9. The bottom of the slot 5 is provided with a discharging opening 15. The center of the long arc-shaped block 3, the motor 10 and the disc 8 is on the same vertical line. The upper side wall of the motor 10 is further fixedly provided with a water storage tank 11 and an electric push rod 13. The water storage tank 11 is provided with a liquid pump. The output end of the liquid pump is connected with a drain pipe 12. The driving end of the electric push rod 13 is connected with a turbidity sensor 14 through a right-angle rod. The turbidity sensor 14 is connected with a probe. The discharging opening 15, the probe and the end part of the drain pipe 12 correspond to the position of one of the detection tubes 9 respectively. The motor 10 drives the disc 8 to rotate to switch the connection between the detection tube 9 and the end part of the discharging opening 15, the probe and the drain pipe 12. After the paint particles falling into the receiving plate 6 are received, the receiving plate 6 is turned back into the slot 5. The valve is opened. The paint particles fall into the detection tube 9 through the discharging opening. The motor 10 drives the disc 8 to rotate. The detection tube 9 with paint particles is rotated to the lower side of the drain pipe 12. The liquid pump in the water storage tank 11 is started. A certain amount of water is injected into the detection tube 9 through the drain pipe 12. The detection tube 9 is rotated to the position directly below the turbidity sensor probe. The electric push rod 13 drives the probe of the turbidity sensor 14 to descend and insert into the detection tube 9. The turbidity of the mixed solution of water and paint particles (reflecting the particle concentration, that is, the paint falling amount / durability) is detected.

[0020] In order to discharge the liquid in the detection tube 9 after detection, an electromagnetic valve can be arranged at the bottom of the detection tube 9. The liquid is discharged by opening the electromagnetic valve. The detection tube 9 can also be reversed to the bottom of the drain pipe 12 for flushing to ensure the cleanliness of the inside of the drain pipe 12.

[0021] An opening is arranged at the lower end of the detection tube 9. A bearing two is fixed in the opening. The inner ring of the bearing two is fixedly provided with a rotating rod 16. The upper end outer wall of the rotating rod 16 is fixedly provided with stirring blades in the detection tube 9. The lower end of the rotating rod 16 is fixedly provided with a magnet piece 17. A motor two is fixedly arranged on the inner wall of the detection base 1 and located directly below the end part of the drain pipe 12. The driving end of the motor two is fixedly provided with a magnet plate vertically upward. The magnet plate is opposite to the magnet piece 17 in magnetic pole. When the detection tube 9 is rotated to the position below the drain pipe 12 for water injection, the motor two is started. The motor two drives the magnet plate above it to rotate. Since the magnet plate and the magnet piece 17 at the lower end of the rotating rod 16 are opposite in magnetic pole, an attractive force is generated. The rotating magnet plate attracts the magnet piece 17 below through magnetic force, drives the rotating rod 16 to rotate in the bearing two, and drives the stirring blades at the upper end of the rotating rod 16 to rotate in the detection tube 9. The injected water and the falling paint particles are fully stirred and mixed to form a uniform suspension. The turbidity of the suspension is detected by the probe of the turbidity sensor 14.

[0022] The above merely describes preferred embodiments of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sensor-based device for detecting the durability of exterior wall coatings, comprising a detection base (1), characterized in that, The detection base (1) is fixedly connected to a long arc-shaped block (3) by two connecting rods (2). The outer wall of the long arc-shaped block (3) has a slot (5). A motor is fixedly embedded in the inner wall of the slot (5). The drive end of the motor is fixedly connected to a storage plate (6) with the same specifications as the slot (5). A collection groove is provided on the storage plate (6). A paint sample plate (4) is fixedly fixed on the outer wall of the long arc-shaped block (3). A sampling mechanism is provided on the paint sample plate (4). A notch is provided at the lower edge of the long arc-shaped block (3). A motor (10) is fixedly fixed in the notch. A disc (8) is fixedly connected vertically downward to the drive end of the motor (10). A plurality of evenly arranged through slots are provided on the disc (8). A bearing is fixedly embedded in the through slot. A detection tube is fixedly provided in the inner ring of the bearing. (9) A discharge port (15) is provided through the bottom of the slot (5). The center of the long arc block (3), the motor (10) and the disc (8) are on the same vertical line. A water storage tank (11) and an electric push rod (13) are fixed on the upper side wall of the motor (10). A liquid pump is provided in the water storage tank (11). The output end of the liquid pump is connected to a drain pipe (12). The drive end of the electric push rod (13) is connected to a turbidity sensor (14) through a right-angle rod. The turbidity sensor (14) is connected to a probe. The ends of the discharge port (15), the probe and the drain pipe (12) are respectively corresponding to the position of one of the detection tubes (9). The disc (8) is rotated by the motor (10) to switch the connection between the detection tube (9) and the ends of the discharge port (15), the probe and the drain pipe (12).

2. The sensor-based device for detecting the durability of exterior wall coatings according to claim 1, characterized in that, The detection tube (9) has an opening at its lower end, and a bearing 2 is fixed inside the opening. A rotating rod (16) is fixed inside the inner ring of the bearing 2. A stirring blade located inside the detection tube (9) is fixed on the upper outer wall of the rotating rod (16). A magnet plate (17) is fixed at the lower end of the rotating rod (16). A motor 2 located directly below the end of the drain pipe (12) is fixed on the inner wall of the detection base (1). A magnet plate is fixed vertically upward at the drive end of the motor 2. The magnetic poles of the magnet plate and the magnet plate (17) are opposite on the opposite side.

3. The sensor-based device for detecting the durability of exterior wall coatings according to claim 1, characterized in that, The sampling mechanism includes a fan (7) installed on the outside of the paint sample plate (4), the fan (7) being positioned toward the paint sample plate (4).

4. The sensor-based device for detecting the durability of exterior wall coatings according to claim 3, characterized in that, The fan (7) includes a motor three (18) and a fan body connected to the motor three (18). The fan (7) is provided with a cooling mechanism. The cooling mechanism includes an annular guide rail (19) fixed on the side of the fan body away from the paint sample plate (4). The annular guide rail (19) has two vertically corresponding openings. The motor three (18) is fixedly embedded with a heat-conducting pipe (23). The outer wall of the motor three (18) is fixed with a motor four (20). The drive end of the motor four (20) is fixed with two symmetrically arranged fixing rods (21). The end of the fixing rod (21) is fixed with a cooling tank (22) storing cooling water. The end of the cooling tank (22) is fixed with a drain pipe (24) with the same diameter as the opening. The end of the heat-conducting pipe (23) away from the motor three (18) is fixed on the inner wall of the opening.

5. The sensor-based device for detecting the durability of exterior wall coatings according to claim 4, characterized in that, A connecting plate is fixed to the outer wall of the paint sample plate (4), and a guide plate (25) is fixed to the end of the connecting plate. A slider (26) is slidably sleeved on the outer wall of the guide plate (25). A telescopic spring (27) is also sleeved on the outer wall of the guide plate (25). The two ends of the telescopic spring (27) are fixedly connected to the outer walls of the guide plate (25) and the slider (26) respectively. A striking rod (28) is fixed on the side of the slider (26) near the paint sample plate (4). A magnet block one is fixedly embedded on the outer wall of the cooling tank (22), and a magnet block two is fixedly embedded on the outer wall of the slider (26). The magnetic poles of the magnet block one and the magnet block two are the same on opposite sides.

6. The sensor-based device for detecting the durability of exterior wall coatings according to claim 1, characterized in that, The end of the storage plate (6) is provided with a discharge port (30) corresponding to the discharge port (15), and the inner bottom wall of the collection tank is provided with an inclined surface (29) that slopes towards the discharge port (30) and guides the flow.

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