CN215725687U

CN215725687U - Grading thickness measuring instrument for LCD digital display copper foil copper-clad plate

Info

Publication number: CN215725687U
Application number: CN202122320860.1U
Authority: CN
Inventors: 季岩峰
Original assignee: Shenzhen Tecman Electronics Co ltd
Current assignee: Shenzhen Tecman Electronics Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-01
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a graded thickness measuring instrument for an LCD digital display copper foil copper-clad plate, which comprises a front cover and an LCD display, wherein a control area is arranged at the middle position of the front cover, a test head is arranged at the lower side of the bottom cover, the LCD display is arranged at the middle position of the upper part of the front cover, an upper cover is arranged at the top end of the front cover, a circuit board is arranged inside the front cover, a display main control MCU is arranged at the lower side of the LCD display, an instrument main control MCU is arranged at the left lower side of the display main control MCU, and a measurement MCU is arranged at the left side of the bottom of the circuit board. The utility model has small overall design, can quickly detect the grading thickness condition of the copper-clad plate by contacting the test head with the copper-clad plate, displays the detection result by the LCD, has quick detection, very convenient operation, lighter overall, convenient carrying by a user, smaller overall and lower production cost, and is suitable for batch production.

Description

Grading thickness measuring instrument for LCD digital display copper foil copper-clad plate

Technical Field

The utility model relates to the technical field of portable measuring instruments, in particular to a grading thickness measuring instrument for an LCD digital display copper foil copper-clad plate.

Background

The copper foil copper clad laminate is a basic material for manufacturing the PCB electronically, and different copper clad thicknesses on the copper foil copper clad laminate directly relate to the quality, stability, durability and the like of electronic finished products, so that the thickness detection of the copper foil copper clad laminate required by electronic manufacturing is a necessary link.

At present, most of existing copper foil copper clad laminate thickness measurement modes are measured through laser equipment, the laser equipment is of a fixed installation type, the manufacturing cost is high, the copper foil copper clad laminate thickness cannot be rapidly measured due to the fact that the laser equipment is inconvenient to carry about and slow in detection speed, the production cost is high, batch production is difficult, and the copper foil copper clad laminate thickness cannot be carried about.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a graded thickness measuring instrument for an LCD digital display copper foil copper-clad plate, which can effectively solve the problems that in the background technology, copper foil copper-clad plate detection equipment is difficult to carry, has high detection difficulty and is inconvenient to quickly detect the thickness of the copper foil copper-clad plate.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a LCD digital display copper foil copper-clad plate is with hierarchical thickness measurement appearance, includes protecgulum and LCD display, the intermediate position department of protecgulum is provided with controls the district, the rear side of protecgulum is connected with the back lid, the bottom is installed to the bottom side of protecgulum, the downside of bottom is equipped with the test head, the LCD display sets up in the upper portion intermediate position department of protecgulum, the upper cover is installed on the top of protecgulum, the internally mounted of protecgulum has the circuit board, the downside of LCD display is provided with and shows main control MCU, show main control MCU's left side downside and install instrument main control MCU, the bottom left side of circuit board is provided with measures MCU, measure MCU's right side and install the stabiliser, the intermediate position department of circuit board installs electric capacity, bee calling organ is installed to the upper right side of electric capacity. The LCD display has the demonstration function, can show numerical value after the device circular telegram, and the user can observe the data result that detects through LCD display audio-visual, show that master control MCU is used for connecting instrument master control MCU and LCD display, receives the data that follow instrument master control MCU received to control shows on LCD display, measuring MCU has the function of release and receiving response signal, when detecting, can be with releasing voltage signal, and receive response signal.

Furthermore, the connection mode between the test head and the measurement MCU is electric connection, the test head is symmetrically distributed about the central axis of the bottom cover, a fixed structure is formed between the test head and the bottom cover, and the inner side surface of the measurement MCU is tightly attached to the outer surface of the circuit board.

Furthermore, the clamping pins of the bottom cover are matched with the shape and size of the grooves on the bottom side of the front cover, a sliding structure is formed between the bottom cover and the front cover, the rear cover forms a clamping structure with the front cover through the bottom cover, and the LCD displays are uniformly distributed along the upper part of the front cover.

Furthermore, the edge of back lid department is provided with the screw, the screw is along the edge evenly distributed of back lid, the back lid passes through to constitute detachable construction between the screw protecgulum, the connected mode between stabiliser and the circuit board is welded connection, the circuit board is identical with the inboard overall dimension of protecgulum.

Furthermore, a battery is installed on the inner side of the rear cover, the battery is matched with the shape size of the rear side opening groove of the rear cover, a clamping structure is formed between the battery and the rear cover, the shape size of the top opening groove of the upper cover is matched with that of the top of the rear cover, a sliding structure is formed between the upper cover and the rear cover, and the rear cover is matched with the front cover through the clamping structure.

Furthermore, the capacitor is symmetrically distributed about the central axis of the circuit board, the capacitor is connected with the circuit board in a welding manner, the tail end face of the buzzer is tightly attached to the circuit board, and a fixing structure is formed between the buzzer and the circuit board.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model has small overall design, can quickly detect the grading thickness condition of the copper-clad plate by contacting the test head with the copper-clad plate, displays the detection result by the LCD, has quick detection, very convenient operation, lighter overall, convenient carrying by a user, smaller overall and lower production cost, and is suitable for batch production.

2. The detachable battery supplies power to the whole device, the battery is used for boosting and storing electricity for the capacitor, when copper foil plates with different levels of thicknesses are detected, the parallel test heads are used for discharging electricity, and the measuring MCU, the instrument main control MCU and the display main control MCU are used in a matched manner due to different voltage values obtained by discharging the copper foil plates with different levels of thicknesses, so that the thickness of the copper foil plate can be displayed on the LCD;

3. the whole device is formed by adopting a detachable structure, the front cover and the rear cover are fixed by screws, the positions of the upper cover and the bottom cover can be limited by the front cover and the rear cover, the front cover and the rear cover can be conveniently separated by detaching the screws, and the inside of the device can be conveniently overhauled;

4. the utility model is provided with the buzzer which has the alarm function, and the buzzer can give out buzzing sound to alarm when the measured data exceeds the limit value through presetting the alarm value, so that a user can be reminded of the over-limit measurement.

Drawings

FIG. 1 is an external view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of a connection structure of the rear cover and the circuit board according to the present invention;

FIG. 4 is a schematic diagram of a backside structure of the circuit board of the present invention.

In the figure: 1. a front cover; 2. a manipulation zone; 3. a rear cover; 4. a bottom cover; 5. a test head; 6. an LCD display; 7. an upper cover; 8. a battery; 9. a screw; 10. a circuit board; 11. displaying the master control MCU; 12. the instrument main control MCU; 13. measuring the MCU; 14. a voltage regulator; 15. a capacitor; 16. a buzzer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-4, the present invention provides a technical solution: a grading thickness measuring instrument for an LCD digital display copper foil copper clad laminate comprises a front cover 1, an operation area 2, a rear cover 3, a bottom cover 4, a test head 5, an LCD display 6, an upper cover 7, a battery 8, a screw 9, a circuit board 10, a display main control MCU 11, an instrument main control MCU 12, a measurement MCU 13, a voltage stabilizer 14, a capacitor 15 and a buzzer 16, wherein the operation area 2 is arranged at the middle position of the front cover 1, the rear side of the front cover 1 is connected with the rear cover 3, the bottom cover 4 is arranged at the bottom side of the front cover 1, the test head 5 is arranged at the lower side of the bottom cover 4, the LCD display 6 is arranged at the middle position of the upper part of the front cover 1, the upper cover 7 is arranged at the top end of the front cover 1, the circuit board 10 is arranged inside the front cover 1, the display MCU 11 is arranged at the lower side of the LCD display 6, the instrument main control MCU 12 is arranged at the left lower side of the display MCU 11, the measurement MCU 13 is arranged at the left side of the bottom of the circuit board 10, the voltage stabilizer 14 is installed on the right side of the measurement MCU 13, the capacitor 15 is installed in the middle of the circuit board 10, and the buzzer 16 is installed on the upper right side of the capacitor 15. LCD display 6 has the demonstration function, can show numerical value after the device circular telegram, the user can observe the data structure who detects through LCD display 6 audio-visual, show that master control MCU 11 is used for connecting instrument master control MCU 12 and LCD display 6, receive the data that receive from instrument master control MCU 12, and control display is on LCD display 6, it has the function of release and receiving the answer signal to measure MCU 13, when detecting, can be with releasing the voltage signal, and receive the answer signal. Electric capacity 15 can be through the storage voltage that charges for enough voltage has when detecting, bee calling organ 16 has alarming function, can remind the user to detect data and surpass the restriction, stabiliser 14 can stabilising arrangement's voltage, when detecting the operation and going on, can guarantee the voltage stability of electric capacity 15 department, guarantee the normal clear of detection, test head 5 detects with the contact of copper foil sheet material, emit voltage through test head 5, the cooperation is measured MCU 13 and is detected the operation.

The connection mode between the test head 5 and the measurement MCU 13 is electrical connection, the test head 5 is symmetrically distributed about the central axis of the bottom cover 4, a fixed structure is formed between the test head 5 and the bottom cover 4, and the inner side surface of the measurement MCU 13 is tightly attached to the outer surface of the circuit board 10. The measuring MCU 13 acts on the test head 5 to contact the copper foil plate, then automatically releases a voltage signal, and receives a measuring response signal.

The clamping feet of the bottom cover 4 are matched with the overall dimension of the bottom side groove of the front cover 1, a sliding structure is formed between the bottom cover 4 and the front cover 1, the rear cover 3 forms a clamping structure between the bottom cover 4 and the front cover 1, and the LCD display 6 can be clamped into the front cover 1 and the rear cover 3 along the bottom cover 4 which is uniformly distributed on the upper portion of the front cover 1, so that the equipment is convenient to assemble, and the disassembly is convenient.

The edge of back lid 3 is provided with screw 9, and screw 9 is along the edge evenly distributed of back lid 3, and back lid 3 constitutes detachable construction between the screw 9 protecgulum 1, and the connected mode between stabiliser 14 and the circuit board 10 is welded connection, and circuit board 10 is identical with the inboard overall dimension of protecgulum 1. The voltage regulator 14 functions to regulate the voltage when measuring the discharge voltage.

The battery 8 is installed to the inboard of back lid 3, and battery 8 is identical with back side fluting department overall dimension of back lid 3, constitutes block structure between battery 8 and the back lid 3, and the top 7 is identical with back lid 3 top fluting department overall dimension, constitutes sliding construction between top 7 and the back lid 3, and back lid 3 passes through and constitutes block structure between top 7 and the protecgulum 1. The battery 8 is 9V type and supplies power for the whole device.

The capacitors 15 are symmetrically distributed about the central axis of the circuit board 10, the capacitors 15 are connected with the circuit board 10 in a welding manner, the end face of the buzzer 16 is tightly attached to the circuit board 10, and a fixing structure is formed between the buzzer 16 and the circuit board 10. The buzzer 16 has an alarm function, and the capacitor 15 supplies sufficient voltage for detection.

The utility model is a grading thickness measuring instrument for LCD digital display copper clad laminate, when in use, the sealing cover at the rear side of the bottom cover 4 is opened, the battery 8 is clamped into the groove at the rear side of the bottom cover 4, the sealing cover is closed, when in use, a user operates the whole equipment through the operation area 2, the user presses a circular start key at the operation area 2, referring to figure 1, the equipment is opened, 5 seconds after the equipment is started, the capacitor 15 is charged, the voltage in the capacitor 15 is increased for detection, the user can preset an alarm threshold value through the operation button at the operation area 2, the front cover 1 and the rear cover 3 of the holding device are held, the parallel test head 5 is placed on the copper clad laminate to be detected, the test head 5 is internally provided with an elastic probe, the test head 5 is pressed on the copper clad laminate, the measuring MCU 13 works to send a signal to the voltage stabilizer 14, the voltage stabilizer 14 can stabilize, the probe at the test head 5 is pressed on the copper foil copper clad laminate, because the copper foil copper clad laminate has conductivity, and the plates with different grades of thicknesses have different conductive strengths, voltage exists between the test heads 5, when the copper foil copper clad laminate contacts the plates with different thicknesses, the voltage drop value is different, the thickness of the plate is detected by using the voltage drop value, and the measurement MCU 13 receives a signal from the test head 5 to detect the dropped voltage value;

instrument main control MCU 12 analyzes the signal, carry out hierarchical processing to thickness, show that main control MCU 11 receives the signal that comes from instrument main control MCU 12 department, can control the demonstration numerical value of LCD display 6 department, show that main control MCU 11 shows the thickness numerical value that detects in LCD display 6 department, supply the user to look over, when measuring data surpasss the default, bee calling organ 16 reports to the police and reminds the user, when needs overhaul, the user takes out screw 9, dismantle the operation, pull open back lid 3, let back lid 3 slide along bottom 4 and upper cover 7, part protecgulum 1 and back lid 3, overhaul work to the electrical components on the internal circuit board 10. And installing the screw 9 after overhauling.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a LCD digital display copper foil copper-clad plate is with hierarchical thickness measurement appearance, includes protecgulum (1) and LCD display (6), its characterized in that: the middle position of the front cover (1) is provided with a control area (2), the rear side of the front cover (1) is connected with a rear cover (3), the bottom cover (4) is installed on the bottom side of the front cover (1), a test head (5) is arranged on the lower side of the bottom cover (4), the LCD display (6) is arranged on the middle position of the upper portion of the front cover (1), the upper cover (7) is installed on the top end of the front cover (1), a circuit board (10) is installed inside the front cover (1), a display main control MCU (11) is arranged on the lower side of the LCD display (6), an instrument main control MCU (12) is installed on the left lower side of the display main control MCU (11), a measurement MCU (13) is arranged on the left side of the bottom of the circuit board (10), a voltage stabilizer (14) is installed on the right side of the measurement MCU (13), and a capacitor (15) is installed on the middle position of the circuit board (10), and a buzzer (16) is arranged on the right upper side of the capacitor (15).

2. The grading thickness measuring instrument for the LCD digital display copper foil copper-clad plate according to claim 1, characterized in that: the testing head (5) is electrically connected with the measuring MCU (13), the testing head (5) is symmetrically distributed about the central axis of the bottom cover (4), and the inner side surface of the measuring MCU (13) is tightly attached to the outer surface of the circuit board (10).

3. The grading thickness measuring instrument for the LCD digital display copper foil copper-clad plate according to claim 1, characterized in that: a sliding structure is formed between the bottom cover (4) and the front cover (1), the rear cover (3) forms a clamping structure with the front cover (1) through the bottom cover (4), and the LCD displays (6) are uniformly distributed along the upper portion of the front cover (1).

4. The grading thickness measuring instrument for the LCD digital display copper foil copper-clad plate according to claim 1, characterized in that: the edge of back lid (3) is provided with screw (9), constitute detachable construction between back lid (3) through screw (9) protecgulum (1), the connected mode between stabiliser (14) and circuit board (10) is welded connection, circuit board (10) are identical with protecgulum (1) inboard overall dimension.

5. The grading thickness measuring instrument for the LCD digital display copper foil copper-clad plate according to claim 1, characterized in that: battery (8) are installed to the inboard of back lid (3), battery (8) are identical with back lid (3) rear side fluting department overall dimension, constitute the block structure between battery (8) and back lid (3), upper cover (7) are identical with back lid (3) top fluting department overall dimension, back lid (3) are through constituting the block structure between upper cover (7) and protecgulum (1).

6. The grading thickness measuring instrument for the LCD digital display copper foil copper-clad plate according to claim 1, characterized in that: the capacitor (15) is symmetrically distributed about the central axis of the circuit board (10), the tail end face of the buzzer (16) is tightly attached to the circuit board (10), and a fixing structure is formed between the buzzer (16) and the circuit board (10).