CN216565470U - External wireless transmission device for digital display caliper - Google Patents

Abstract

The application discloses an outer hanging wireless transmission device for digital display slide caliper rule, relate to slide caliper rule data transmission technical field, it sets up wireless communication module in the transversal mount that personally submits C shape structure, power module and USB communication cable, wherein wireless communication module is connected with power module and USB communication cable electricity respectively, the mount can with digital display subassembly box quick assembly disassembly, wireless communication module reads measured data and adopts the mode of radio to send terminal receiving device from digital display subassembly box through USB communication cable, just so can upgrade the current a large amount of digital display slide caliper rule that only the USB interface has but not set up wireless transceiving function yet, improve the efficiency that detects, the record. Whole device reasonable in design, the structure is ingenious, low cost, convenient operation, and stability is good, and is efficient, the equipment and the maintenance of being convenient for.

Description

External wireless transmission device for digital display caliper

Technical Field

The application relates to the technical field of caliper data transmission, in particular to an externally-hung wireless transmission device for a digital display caliper.

Background

The digital display caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth. The digital display caliper has the characteristics of visual reading, convenience in use and multiple functions. The digital display caliper mainly comprises a caliper body, a sensor, a control operation part and a digital display part. According to different types of division of sensors, digital calipers are divided into two categories, namely magnetic grid type digital calipers and capacitance grid type digital calipers. The digital display caliper has high precision rack in the body, circular grid sheet rotating with the rack, photoelectric pulse counting principle to convert the displacement of the caliper jaw into pulse signal, and digital display of the measured size on the screen.

The early digital caliper is only provided with a liquid crystal display screen display and can display the currently detected numerical value in real time, the reading and the storage of the numerical value are inconvenient for the digital caliper, later people further design the digital caliper with a USB interface, the digital caliper can be connected with a computer and other equipment through a USB cable and an interface, and the numerical value obtained by the measurement of the digital caliper is read and stored, although the measurement and the storage of the data are further convenient, the problem still exists in some special occasions, such as a place with a complex environment, a damp and narrow place, which cannot install computer equipment, or the environment is very large, and the environment with a computer is inconvenient to carry all the time, therefore, the remote data transmission box disclosed by the Chinese utility model CN208126630U comprises a shell and a main control panel positioned in the shell; the main control panel includes: the wireless data transmission module is used for receiving and transmitting the serial port data wirelessly transmitted by the instrument; the data transmission module is connected with the wireless data transmission module to realize bidirectional conversion of serial port data; the time control module is connected with the wireless data transmission module and controls the working time of the wireless data transmission module; and the voltage stabilizing module is connected with the wireless data transmission module and the time control module and provides stable voltage for the wireless data transmission module and the time control module. The data wirelessly transmitted by the digital caliper are received by the Zigbee wireless data transmission module, then transmitted to the DTU data transmission module, and transmitted to the database of the office server by the DTU data transmission module through the 4G network; meanwhile, the working time is controlled through the integrated time control module. Although the disclosed technology introduces a specific circuit structure inside the remote data transmission box, how the transmission box is fixed with the existing vernier caliper with a USB interface is not specifically described, and a detailed box structure is not introduced, which brings inconvenience to a user.

Disclosure of Invention

In order to solve the problem, the application discloses a device that can tear open, adorn with current digital display slide caliper who has the USB interface fast, it adopts following technical scheme to realize:

an externally-hung wireless transmission device for a digital display caliper comprises a fixed frame, a wireless communication module, a power supply module and a USB communication cable;

the cross section of the fixing frame is of a C-shaped structure, the edges of two sides of the opening of the fixing frame are respectively provided with an anti-falling device, and the fixing frame can be matched and fixed with a digital display component box of the digital display caliper; the shape and the digital display subassembly box size of mount correspond, are greater than the width and the height of digital display subassembly box a little, and the mount is the slot-like structure that both ends do not seal, can detain on the digital display subassembly box.

The wireless communication module and the power module are fixedly arranged in the fixing frame, and a fastening screw groove, a USB plug window and a USB cable hole are formed in the top surface of the fixing frame;

the fastening screw groove is of a long groove structure, and one end of the fastening screw groove is flush with the outer edge of the fixing frame;

when the fixing frame is fixed on the digital display component box, the USB plug window is matched and corresponding to the USB jack of the digital display caliper, and the fastening screw groove is matched and corresponding to the fixing screw of the digital display caliper; after the fixing frame with the cross section of the C-shaped structure is sleeved into the digital display component box from bottom to top, the anti-falling devices on the edges of the two sides of the opening of the fixing frame fasten the two sides of the top of the digital display component box to ensure that the fixing frame cannot fall off downwards easily, meanwhile, the fixing screw used for locking the fixing caliper moves downwards along the fastening screw groove, and the fixing frame can be prevented from sliding along the left and right directions of the digital display component box through the matching of the fastening screw groove and the fixing screw, so that the positioning in X, Y, Z three directions is realized. After the fixing frame is fastened, the USB plug window on the fixing frame just faces the USB jack on the digital caliper, so that the USB plug on the USB communication cable can be conveniently inserted into the USB jack. The fixing frame is very simple to take down, the fixing frame with the C-shaped cross section is broken, the structure is simple to manufacture, and the installation and the disassembly are very convenient.

The USB communication cable penetrates through the USB cable hole, one end of the USB communication cable is electrically connected with the wireless communication module, and the other end of the USB communication cable is provided with a USB plug;

the wireless communication module is electrically connected with the power module. When the wireless communication module works, the wireless communication module reads measurement data from the digital caliper through the USB communication cable and transmits the measurement data to the terminal receiving device in a wireless mode, and the terminal receiving device can be a desktop computer, a notebook computer or a smart phone and the like provided with corresponding radio receiving and transmitting units. Therefore, the existing digital caliper which only has a USB interface but is not provided with a wireless transceiving function can be upgraded, and the detection and recording efficiency is improved. The wireless communication module can adopt a circuit structure in a remote data transmission box disclosed by CN208126630U, and can also adopt an existing mature Bluetooth module.

Preferably, the cross section of the anti-falling device is of a triangular structure with a small top and a wide bottom. The clamping structure is in a barb shape, the two sides of the C-shaped opening are respectively provided with the triangular structure, the opening end of the triangular structure is a small end, and the opening end of the triangular structure faces inwards to form a wide end, so that the triangular structure can be easily buckled on the digital display component box and locked.

Preferably, the bottom of the fixing frame is further provided with a fixing hole, and the fixing hole is correspondingly matched with the threaded hole in the digital display assembly box. Wear to be equipped with the screw in the fixed orifices, screw hole threaded connection on this screw and the digital display subassembly box can further guarantee like this that the mount can tightly fix with the digital display subassembly box, prevents to drop or slide, and this kind of form is applicable to and vibrates great environment.

Preferably, the fixing frame is made of nylon material in a whole body.

Preferably, elastic limit strips are fixedly arranged on two sides in the fixing frame respectively;

the elastic limiting strip is made of elastic materials, and the height of the elastic limiting strip is larger than that of the wireless communication module and the power module. The effect of elasticity spacing strip is the height that can adapt to the digital display subassembly box automatically, lets the mount have certain interact power with the digital display subassembly box all the time, prevents that it is not hard up, can also prevent to extrude, assault wireless communication module and power module when the digital display subassembly box moves down in addition and cause circuit trouble.

Preferably, the elastic limit strip is made of rubber or PVC foam.

Preferably, the elastic limit strip is further provided with a double-sided adhesive tape. The double faced adhesive tape can closely paste the bottom of elasticity spacing strip and digital display subassembly box, further prevents that the mount from sliding or coming off on the digital display subassembly box.

Preferably, the double-sided adhesive tape is a traceless nano double-sided adhesive tape. The problem of difficult cleaning is easily caused after the common double-sided adhesive is stuck for a long time, the use frequency is limited, and the double-sided adhesive can not be used once or twice, so that the double-sided adhesive is very waste and cannot be cleaned well. The problem can be well solved by adopting the traceless nano double-sided adhesive tape.

Preferably, the power module is a chip type rechargeable battery. The battery of piece formula structure is small, utilize the double faced adhesive tape with it paste in the mount can, the installation is simple quick, changes easily.

Preferably, the wireless communication module comprises a circuit board and a chip, the chip is welded on the bottom surface of the circuit board, and the top surface of the circuit board is printed with an antenna by adopting copper-clad; due to the design, the chip can be positioned between the fixing frame and the circuit board in the direction, the chip is protected, and narrow space can be effectively utilized. The chip comprises a microcontroller chip for reading data on the digital caliper and a chip for wireless communication, wherein the wireless communication chip is a mature Bluetooth communication chip.

The circuit board is fixedly connected with the fixing frame through nylon columns.

This application sets up wireless communication module in the mount of transversal personally submitting C shape structure, power module and USB communication cable, wherein wireless communication module is connected with power module and USB communication cable electricity respectively, the mount can be with digital display subassembly box quick assembly disassembly, wireless communication module reads measured data and adopts the mode of radio to send terminal receiving arrangement in the digital display subassembly box through USB communication cable, just so can upgrade the current a large amount of digital display slide caliper rule that only the USB interface has but not set up wireless transceiver function yet, improve and detect, the efficiency of record. Whole device reasonable in design, the structure is ingenious, low cost, convenient operation, stability is good, and is efficient, the equipment and the maintenance of being convenient for.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an external wireless transmission device for a digital caliper according to an embodiment of the present disclosure;

FIG. 2 is a front view of an externally-mounted wireless transmission device for a digital caliper according to an embodiment of the present application;

FIG. 3 is a top view of an externally-mounted wireless transmission device for a digital caliper according to an embodiment of the present disclosure;

FIG. 4 is a left side view of an externally-mounted wireless transmission device for a digital caliper according to an embodiment of the present disclosure;

FIG. 5 is an exploded view of an externally-mounted wireless transmission device for a digital caliper according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a common digital caliper with a USB interface;

fig. 7 is a schematic diagram of the externally-hung wireless transmission device for the digital caliper, which is mounted on the digital caliper according to the embodiment provided by the application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described clearly and completely with reference to fig. 1 to 7 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 5, an externally-hung wireless transmission device for a digital caliper includes a fixing frame 1, a wireless communication module 2, a power module 3, and a USB communication cable 4.

The fixing frame 1 is made of nylon materials integrally, and the nylon materials have the advantages of being good in insulating performance and elasticity and easy to process. The cross section of the fixing frame 1 is of a C-shaped structure, the two side edges of the opening of the fixing frame are respectively provided with an anti-falling device 10, and the fixing frame 1 can be matched and fixed with the digital display component box 70 of the digital display caliper 7. The shape of mount 1 corresponds with digital display subassembly box 70 size, is greater than digital display subassembly box 70's width and height a little, and mount 1 is the groove-shaped structure that both ends are not sealed, can detain on digital display subassembly box 70. As shown in FIG. 4, the cross section of the anti-drop device 10 is a triangular structure with a small top and a wide bottom. The clamping structure is a barb-shaped clamping structure, the two sides of the C-shaped opening are respectively provided with a triangular structure, the opening end of the triangular structure is a small end, and the opening end of the triangular structure is a wide end facing inwards, so that the triangular structure can be easily buckled on the digital display component box 70 and locked.

In addition, the inside both sides of mount 1 are fixed respectively and are provided with elasticity spacing 5, and elasticity spacing 5 adopts elastic material to make, and the height that highly is greater than wireless communication module 2 and power module 3 of elasticity spacing 5. The elastic limit strip 5 is made of rubber or PVC foam. The effect of elasticity spacing 5 is the height that can adapt to digital display subassembly box 70 automatically, lets mount 1 have certain interact all the time with digital display subassembly box 70, prevents it not hard up, can also prevent in addition that digital display subassembly box 70 extrudees, assaults wireless communication module 2 and power module 3 when moving down and causes circuit trouble.

For further fixation, a double-sided adhesive tape 8 is arranged on the elastic limiting strip 5. The double-sided adhesive tape 8 can closely adhere the elastic limit strips 5 and the bottom of the digital display component box 70, and further prevent the fixing frame 1 from sliding or falling off on the digital display component box 70.

In this embodiment, the double-sided tape 8 is a traceless nano double-sided tape. The problem of difficult cleaning is easily caused after the common double-sided adhesive is stuck for a long time, the use frequency is limited, and the double-sided adhesive can not be used once or twice, so that the double-sided adhesive is very waste and cannot be cleaned well. The problem can be well solved by adopting the traceless nano double-sided adhesive tape.

As shown in fig. 1 and 5, a wireless communication module 2 and a power module 3 are fixedly disposed inside the fixing frame 1. The power module 3 is a sheet type rechargeable battery. The battery of piece formula structure is small, utilize the double faced adhesive tape with it paste in mount 1 can, the installation is simple quick, changes easily. The wireless communication module 2 comprises a circuit board and a chip, wherein the chip is welded on the bottom surface of the circuit board, and the top surface of the circuit board is printed with an antenna by adopting copper-clad printing. Due to the design, the chip can be positioned between the fixing frame 1 and the circuit board in the direction, the chip is protected, and narrow space can be effectively utilized. The chip comprises a microcontroller chip for reading data on the digital caliper and a chip for wireless communication, wherein the wireless communication chip is a mature Bluetooth communication chip. The circuit board is fixedly connected with the fixing frame 1 through a nylon column 6.

The top surface of the fixing frame 1 is provided with a fastening screw slot 11, a USB plug window 12 and a USB cable hole 13. The fastening screw slot 11 is a long slot structure, and one end of the fastening screw slot is flush with the outer edge of the fixing frame 1. Referring to fig. 7, when the fixing frame 1 is fixed to the digital display module box 70, the USB plug window 12 matches and corresponds to the USB jack 72 of the digital display caliper 7, and the fastening screw slot 11 matches and corresponds to the fixing screw 71 of the digital display caliper 7. After the fixing frame 1 with the cross section of the C-shaped structure is sleeved into the digital display component box 70 from bottom to top, the anti-falling devices 10 at the edges of the two sides of the opening of the fixing frame 1 fasten the two sides of the top of the digital display component box 70, so that the fixing frame 1 is prevented from falling off downwards easily, meanwhile, the fixing screws 71 used for locking and fixing the caliper on the digital display component box 70 move downwards along the fastening screw grooves 11, and the fixing frame 1 can be prevented from sliding along the left and right directions of the digital display component box 70 through the matching of the fastening screw grooves 11 and the fixing screws 71, so that the positioning in X, Y, Z in three directions is realized. After the fixing frame 1 is fastened, the USB plug window 12 on the fixing frame 1 is just right opposite to the USB jack 72 on the digital caliper 7, so that the USB plug on the USB communication cable 4 can be conveniently inserted into the USB jack 72. The fixing frame 1 is very simple to take down, the fixing frame 1 with the C-shaped cross section is broken, the structure is simple to manufacture, and the installation and the disassembly are very convenient.

The USB communication cable 4 is arranged in the USB cable hole 13 in a penetrating mode, one end of the USB communication cable 4 is electrically connected with the wireless communication module 2, the other end of the USB communication cable 4 is provided with a USB plug, and the wireless communication module 2 is electrically connected with the power module 3.

In an embodiment, the bottom of the fixing frame 1 is further provided with fixing holes 14, and the fixing holes 14 are correspondingly matched with the threaded holes on the digital display module box 70. Wear to be equipped with the screw in the fixed orifices 14, this screw and the screw hole threaded connection on the digital display subassembly box 70 can further guarantee like this that mount 1 can tightly fix with digital display subassembly box 70, prevents to drop or slide, and this kind of form is applicable to and vibrates great environment.

During operation, the wireless communication module 2 reads the measurement data from the digital caliper 7 through the USB communication cable 4, and transmits the measurement data to the terminal receiving device in a wireless manner, where the terminal receiving device may be a desktop computer, a notebook computer, or a smart phone equipped with a corresponding radio transceiver unit. Therefore, the existing digital caliper which only has a USB interface but is not provided with a wireless transceiving function can be upgraded, and the detection and recording efficiency is improved. The wireless communication module 2 may adopt a circuit structure in a remote data transmission box disclosed in CN208126630U, or may adopt an existing mature bluetooth module.

This application sets up wireless communication module 2 in the mount 1 of transversal personally submitting C shape structure, power module 3 and USB communication cable 4, wherein wireless communication module 2 is connected with power module 3 and USB communication cable 4 electricity respectively, mount 1 can be with digital display subassembly box 70 quick assembly disassembly, wireless communication module 2 reads measured data and adopts the mode of radio to send terminal receiving device in digital display subassembly box 70 through USB communication cable 4, just so can upgrade the current a large amount of digital display calipers that only the USB interface but have not set up wireless transceiving function yet, improve and detect, the efficiency of record. Whole device reasonable in design, the structure is ingenious, low cost, convenient operation, and stability is good, and is efficient, the equipment and the maintenance of being convenient for.

Claims (10)

1. An externally-hung wireless transmission device for a digital caliper is characterized by comprising a fixed frame (1), a wireless communication module (2), a power module (3) and a USB communication cable (4);

the cross section of the fixing frame (1) is of a C-shaped structure, the edges of two sides of the opening of the fixing frame are respectively provided with an anti-falling device (10), and the fixing frame (1) can be matched and fixed with a digital display component box (70) of a digital display caliper (7);

the wireless communication module (2) and the power module (3) are fixedly arranged in the fixing frame (1), and a fastening screw groove (11), a USB plug window (12) and a USB cable hole (13) are formed in the top surface of the fixing frame (1);

the fastening screw groove (11) is of a long groove structure, and one end of the fastening screw groove is flush with the outer edge of the fixing frame (1);

when the fixing frame (1) is fixed on the digital display component box (70), the USB plug window (12) is matched and corresponds to the USB jack (72) of the digital display caliper (7), and the fastening screw groove (11) is matched and corresponds to the fixing screw (71) of the digital display caliper (7);

the USB communication cable (4) penetrates through the USB cable hole (13), one end of the USB communication cable (4) is electrically connected with the wireless communication module (2), and the other end of the USB communication cable (4) is provided with a USB plug;

the wireless communication module (2) is electrically connected with the power module (3).

2. An externally-hung wireless transmission device for a digital display caliper according to claim 1, characterized in that:

the cross section of the anti-falling device (10) is of a triangular structure with a small top and a wide bottom.

3. An externally-hung wireless transmission device for a digital display caliper according to claim 1, characterized in that:

the bottom of the fixing frame (1) is further provided with a fixing hole (14), and the fixing hole (14) is matched with the threaded hole in the digital display component box (70) correspondingly.

4. An externally-hung wireless transmission device for a digital display caliper according to claim 1, characterized in that:

the fixing frame (1) is integrally made of nylon materials.

5. The externally-hung wireless transmission device for the digital display caliper according to claim 1, characterized in that:

elastic limiting strips (5) are respectively fixedly arranged on two sides in the fixing frame (1);

the elastic limiting strip (5) is made of elastic materials, and the height of the elastic limiting strip (5) is larger than that of the wireless communication module (2) and the power module (3).

6. An externally-hung wireless transmission device for a digital display caliper according to claim 5, characterized in that:

the elastic limiting strip (5) is made of rubber or PVC foam.

7. An externally-hung wireless transmission device for a digital display caliper according to claim 6, characterized in that:

and a double-sided adhesive tape (8) is also arranged on the elastic limiting strip (5).

8. An externally-hung wireless transmission device for a digital display caliper according to claim 7, characterized in that:

the double-sided adhesive tape (8) is a traceless nano double-sided adhesive tape.

9. An externally-hung wireless transmission device for a digital display caliper according to claim 1, characterized in that:

the power module (3) is a sheet type rechargeable battery.

10. An externally-hung wireless transmission device for a digital display caliper according to claim 1, characterized in that:

the wireless communication module (2) comprises a circuit board and a chip, wherein the chip is welded on the bottom surface of the circuit board, and an antenna is printed on the top surface of the circuit board by adopting copper-clad printing;

the circuit board is fixedly connected with the fixing frame (1) through a nylon column (6).

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