Coating thickness gauge

Abstract

The utility model discloses a coating thickness gauge which comprises a face shell, a transparent lens is fixedly connected to the face shell, the transparent lens is fixedly connected with a display screen, the display screen is connected to a main PCB through a fixing frame, the main PCB is fixedly connected to a bottom shell, a battery cover is connected to the bottom shell in a clamped mode, the battery cover is tightly attached to a battery pack, and the face shell and the bottom shell are fixed together. According to the utility model, the transparent lens and the display screen are arranged in the surface shell, and the foam is added at the display screen, so that data observation is more visual, and the display screen is not easy to break; the manufacturing material of the sliding spring is optimized, so that the strength of the sliding spring in frequent use is guaranteed, and the service life of the instrument is prolonged; the microswitch is used as a trigger switch, the service life can reach 1 million times, the trigger precision is high, and the measurement precision and the user experience are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coating thickness measuring technology field, concretely is a kind of coating thickness gauge. BACKGROUND

[0002] Coating thickness gauge, also known as film thickness gauge, plating thickness gauge or paint film thickness gauge, is a kind of professional equipment for nondestructive testing of metal substrate coating thickness, and is widely used as a precision detection tool in industrial and scientific research fields. The equipment can efficiently measure the coating thickness to determine whether the thickness meets the requirements, and has good convenience. However, the traditional coating thickness gauge still has some shortcomings. First, the spring parts in the traditional coating thickness gauge wear out quickly when used frequently, greatly reducing the service life of the instrument. Second, the traditional coating thickness gauge usually uses a switch as a signal triggering device during measurement. However, the structure of the switch has a low service life and low triggering accuracy, which affects the measurement accuracy and user experience. SUMMARY

[0003] The utility model aims to provide a kind of coating thickness gauge to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coating thickness gauge, comprising a face shell, the face shell is fixedly connected with a transparent lens, the transparent lens is fixedly connected with a display screen, the display screen is fixedly connected to a main PCB, the main PCB is fixedly connected to a bottom shell, the bottom shell is clamped with a battery cover, the battery cover is tightly attached to a battery pack, the battery pack is connected with a battery pole piece, the battery pole piece is arranged on the inner side wall of the bottom shell, and the face shell and the bottom shell are fixed together.

[0005] As a further technical scheme of the utility model, the main PCB is provided with a heat-sensitive element, which is used to detect the temperature of the battery pack. If the battery temperature is detected to be abnormal, the main PCB will be powered off for protection.

[0006] As a further technical scheme of the utility model, the display screen is symmetrically provided with foam on the left and right sides to prevent damage to the display screen due to falling.

[0007] As a further technical scheme of the utility model, a key assembly is provided on the face shell, the key assembly is attached to a key sheet, the key assembly is connected to the main PCB through an FPC connector, and an indicator light is provided on the key sheet.

[0008] As a further technical scheme of the utility model, one end of the main PCB is connected with a sliding spring, the other end of the sliding spring is fixedly connected to a secondary PCB, the secondary PCB is slidingly connected to a sliding cover, and the sliding cover is fixedly connected to the face shell.

[0009] As a further technical scheme of the utility model, the face shell is fixedly connected with a limiting plate, the limiting plate is fixedly connected on the bottom shell, a probe is slidably connected in the limiting plate, the probe is fixedly connected on the auxiliary PCB, a trigger switch is fixedly connected on the auxiliary PCB, one end of a flexible flat cable is fixedly connected on the auxiliary PCB, the other end of the flexible flat cable is fixedly connected on the main PCB, a buzzer and an FPC connector are fixedly connected on the main PCB, a type-c port is fixedly connected on the main PCB, the type-c port is fixedly connected with a type-c mounting port, the type-c mounting port is arranged on the face shell, the type-c mounting port is arranged on the bottom shell, an anti-skid touch position is arranged on the face shell, the anti-skid touch position is fixedly arranged on the bottom shell, and a buzzer sound outlet is arranged on the bottom shell.

[0010] A detection method of a coating thickness gauge sensor, comprising the following steps: step one, battery installation; step two, overall assembly; and step three, measurement.

[0011] In the above step one, the battery is installed at a designed position.

[0012] In the above step two, the spring and the trigger component are respectively installed at designed positions.

[0013] In the above step three, the instrument is used to measure the coating to be measured.

[0014] As a further technical scheme of the utility model, in the step one, the transparent lens and the display screen are installed in the face shell; two batteries are combined to form a battery pack, and the battery pack is buckled with the battery pole piece, then the battery cover is buckled on the bottom shell to complete the sealing and fixing of the battery pack, the main PCB and the auxiliary PCB are connected through the flexible flat cable and installed in the face shell.

[0015] As a further technical scheme of the utility model, in the step two, 60Si2Mn steel is used as a raw material, and after isothermal quenching, tempering and shot blasting treatment, the sliding spring is made, the probe and the sliding spring are respectively installed at two ends of the auxiliary PCB, the microswitch with small contact point interval and fast-moving mechanism is used as the trigger switch, the trigger switch is arranged on the auxiliary PCB, the key assembly is arranged on the main PCB, and the operation sheet is arranged on the face shell in correspondence, and the face shell is closed and connected to the bottom shell.

[0016] As a further technical scheme of the utility model, in the step three, whether the probe is clean and undamaged is checked, close contact of the probe with the measured surface is ensured, the probe is placed steadily on the surface of the measured coating, close contact and perpendicularity of the probe with the coating are ensured, the probe and the secondary PCB board move under the sliding spring and the action, and the movement of the trigger switch is driven and pressed to respond under the limiting of the sliding cover, the measurement signal is collected and processed through the secondary PCB board and is transmitted to the primary PCB board through the flexible flat cable, the data is further processed through the primary PCB board, and the display is realized through the transparent lens and the display screen; after the measurement is completed, the probe is away from the measured coating, and the trigger switch, the secondary PCB board and the probe return to the initial position through the action of the sliding spring.

[0017] Compared with the prior art, the coating thickness gauge has the following beneficial effects: the foam is installed on the display screen, so that damage caused by falling can be slowed down; the primary PCB board is provided with a thermal sensing element, the thermal sensing element is used for detecting the temperature of the battery pack, if the battery temperature is detected to be abnormal, the primary PCB board will be powered off for protection; the 60Si2Mn steel is used as a raw material, after isothermal quenching, tempering and shot blasting, the sliding spring is made, the probe and the sliding spring are installed at the two ends of the secondary PCB board, the strength of the sliding spring is ensured when the sliding spring is frequently used, and the service life of the instrument is prolonged; the micro switch with small contact interval and fast action mechanism is used as the trigger switch, the trigger switch is arranged on the secondary PCB board, the key assembly is arranged on the primary PCB board, and the key sheet is arranged on the face shell in correspondence, the face shell and the bottom shell are closed and connected through clamping, the micro switch is used as the trigger switch, the service life can reach 1 million times, the trigger accuracy is high, and the measurement accuracy and user experience are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structure schematic view of the utility model;

[0019] Figure 2 It is a rear view structure schematic view of the utility model;

[0020] Figure 3 It is an explosion view of partial structure of the utility model;

[0021] Figure 4 It is a position schematic view of the buzzer in the utility model;

[0022] Figure 5 It is a side view structure sectional view in the utility model;

[0023] In the figure: 1, face shell; 2, bottom shell; 3, buzzer sound hole; 4, key sheet; 5, anti-skid touch position; 7, battery pack; 8, main PCB board; 9, battery pole piece; 10, probe; 11, display screen; 12, indicator light; 13, transparent lens; 16, sliding spring; 17, vice PCB board; 18, sliding cover; 19, limiting plate; 21, trigger switch; 22, soft bolt; 23, buzzer; 24, type-c port; 25, type-c mounting port; 26, battery cover; 33, key assembly; 66, foam; 99, heat-sensitive sensing element; 108, FPC connector. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Please refer to the drawings Figure 1 - the drawings Figure 5The utility model provides a kind of embodiment: a kind of coating thickness gauge, including face shell 1, transparent lens 13 is fixedly connected on face shell 1, transparent lens 13 is fixedly connected with display screen 11, display screen 11 is connected on main PCB 8 by fixed frame, main PCB 8 is fixedly connected on bottom shell 2, battery cover 26 is clamped on bottom shell 2, battery cover 26 is tightly attached on battery pack 7, battery pack 7 is connected with battery pole piece 9, battery pole piece 9 is arranged on the inner wall of bottom shell 2, face shell 1 and bottom shell 2 are fixed together, main PCB 8 is provided with heat sensitive element 99, heat sensitive element is used to detect the temperature of the battery pack, if detecting battery temperature is abnormal, the main PCB 8 will be powered off to protect, display screen 11 left and right two sides are symmetrically provided with bubble 66, prevent display screen 11 from being damaged due to falling, key assembly 33 is provided on face shell 1, key assembly 33 is attached together with key sheet 4, key assembly 33 is connected to main PCB 8 by FPC connector 108, indicating lamp 12 is provided on key sheet 4, when being in normal measurement, indicating lamp flashes green, one end of main PCB 8 is connected with sliding spring 16, the other end of sliding spring 16 is fixedly connected on vice PCB 17, vice PCB 17 is slidably connected on sliding cover 18, sliding cover 18 is fixedly connected on face shell 1, face shell 1 is fixedly connected with limit plate 19, limit plate 19 is fixedly connected on bottom shell 2, limit plate 19 is slidably connected with probe 10, probe 10 is fixedly connected on vice PCB 17, trigger switch 21 is fixedly connected on vice PCB 17, one end of soft wire 22 is fixedly connected on vice PCB 17, the other end of soft wire 22 is fixedly connected on main PCB 8, buzzer 23 and FPC connector 108 are fixedly connected on main PCB 8, type-c port 24 is fixedly connected on main PCB 8, type-c mounting port 25 is fixedly connected on type-c port 24, type-c mounting port 25 is arranged on face shell 1, type-c mounting port 25 is arranged on bottom shell 2, anti-slip touch point 5 is provided on face shell 1, anti-slip touch point 5 is fixedly arranged on bottom shell 2, buzzer sound hole 3 is provided on bottom shell 2.

[0026] The utility model provides a kind of embodiment: the detection method of coating thickness gauge sensor, comprising the following steps: step one, battery installation;Step two, overall assembly;Step three, measurement;

[0027] In the above step one, install battery in design position, install transparent lens 13 and display screen 11 in face shell 1;Two batteries are combined to be battery pack 7, and it is buckled on battery pole piece 9, then battery cover 6 is buckled on bottom shell 2, complete the closure and fixation of battery pack 7, connect main PCB 8 and vice PCB 17 by soft wire 22, and install to face shell 1;

[0028] In the above step two, the spring and trigger components are respectively installed in the designed position, 60Si2Mn steel is used as the raw material, after isothermal quenching, tempering and shot blasting, the sliding spring 16 is made, the probe 10 and the sliding spring 16 are respectively installed at both ends of the secondary PCB board 17, the micro switch with small contact interval and fast-moving mechanism is used as the trigger switch 21, and the trigger switch 21 is arranged on the secondary PCB board 17, the key assembly 33 is arranged on the main PCB board 8, and the key sheet 4 is arranged on the face shell 1 in correspondence, and the face shell 1 is closed and connected to the bottom shell 2.

[0029] In the above step three, the instrument is used to measure the coating to be measured, the probe 10 is checked for cleanliness and damage, and it is ensured that it can be in close contact with the measured surface, the probe 10 is placed stably on the surface of the coating to be measured, and it is ensured that it is in close contact with the coating and perpendicular, at this time, the probe 10 and the secondary PCB board 17 move under the action of the sliding spring 16 and the sliding cover 18, the trigger switch 21 is moved and pressed in response, the measurement signal is collected and processed by the secondary PCB board 17 and transmitted to the main PCB board 8 through the flexible flat cable 22, the data is further processed by the main PCB board 8, and the transparent lens 13 and the display screen 11 are used for display; after the measurement is completed, the probe 10 is away from the coating to be measured, and the trigger switch 21, the secondary PCB board 17 and the probe 10 return to the initial position under the action of the sliding spring 16.

[0030] Working principle: when in use, the transparent lens 13 and the display screen 11 are installed in the face shell 1, and the foam 66 is arranged on the display screen 11, so that the observation of data is more intuitive and less likely to be damaged; 60Si2Mn steel is used as the raw material, after isothermal quenching, tempering and shot blasting, the sliding spring 16 is made, the probe 10 and the sliding spring 16 are respectively installed at both ends of the secondary PCB board 17, the strength of the sliding spring 16 is ensured when it is used frequently, and the service life of the instrument is prolonged; the micro switch with small contact interval and fast-moving mechanism is used as the trigger switch 21, and the trigger switch 21 is arranged on the secondary PCB board 17, the key assembly 33 is arranged on the main PCB board 8, and the key sheet 4 is arranged on the face shell 1 in correspondence, and the face shell 1 is closed and connected to the bottom shell 2, the micro switch is used as the trigger switch 21, the service life can reach 1 million times, the trigger accuracy is high, and the measurement accuracy and user experience are improved.

[0031] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A coating thickness gauge comprising a face case (1), characterised in that: The transparent lens (13) is fixedly connected on the face shell (1), the display screen (11) is fixedly connected on the transparent lens (13), the display screen (11) is connected on the main PCB (8) through the fixing frame, the main PCB (8) is fixedly connected on the bottom shell (2), the battery cover (26) is clamped on the bottom shell (2), the battery cover (26) is tightly attached on the battery pack (7), the battery pack (7) is connected with the battery pole piece (9), the battery pole piece (9) is arranged on the inner side wall of the bottom shell (2), and the face shell (1) and the bottom shell (2) are fixed together.

2. A coating thickness gauge according to claim 1, characterised in that: The main PCB (8) is provided with a heat-sensitive sensing element (99) for detecting the temperature of the battery pack (7), and if the battery temperature is detected to be abnormal, the main PCB (8) will be powered off for protection.

3. The coating thickness gauge of claim 1, wherein: The display screen (11) is symmetrically provided with a foam (66) on the left and right sides, which prevents the display screen (11) from being damaged due to falling.

4. The coating thickness gauge of claim 1, wherein: The face shell (1) is provided with a key assembly (33), the key assembly (33) is attached together with the key sheet (4), the key assembly (33) is connected to the main PCB (8) through the FPC connector (108), and the key sheet (4) is provided with an indicator light (12).

5. The coating thickness gauge of claim 2, wherein: One end of the sliding spring (16) is connected with the main PCB (8), and the other end of the sliding spring (16) is fixedly connected with the auxiliary PCB (17), the auxiliary PCB (17) is slidably connected with the sliding cover (18), and the sliding cover (18) is fixedly connected with the face shell (1).

6. A coating thickness gauge according to claim 5, characterised in that: The face shell (1) is fixedly connected with a limiting plate (19), the limiting plate (19) is fixedly connected with the bottom shell (2), the limiting plate (19) is slidably connected with a probe (10), the probe (10) is fixedly connected with the auxiliary PCB (17), the auxiliary PCB (17) is fixedly connected with a trigger switch (21), one end of a flexible flat cable (22) is fixedly connected with the auxiliary PCB (17), the other end of the flexible flat cable (22) is fixedly connected with the main PCB (8), the main PCB (8) is fixedly connected with a buzzer (23) and an FPC connector (108), the main PCB (8) is fixedly connected with a type-c port (24), the type-c port (24) is fixedly connected with a type-c mounting port (25), the type-c mounting port (25) is arranged on the face shell (1), the type-c mounting port (25) is arranged on the bottom shell (2), the face shell (1) is provided with an anti-slip touch position (5), the anti-slip touch position (5) is fixedly arranged on the bottom shell (2), and the bottom shell (2) is provided with a buzzer sound hole (3).

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