Composite multifunctional communication read-write head

Abstract

The utility model relates to a composite multifunctional communication read-write head, and relates to the technical field of communication read-write devices. The water meter comprises a shell and an electronic device assembly, a containing cavity is formed in the shell, the electronic device assembly is arranged in the containing cavity, the electronic device assembly comprises a circuit board, an infrared communication module and an NFC communication module, the infrared communication module and the NFC communication module are both electrically connected with the circuit board, and a water meter cable is electrically connected to the circuit board. The communication reading-writing device has the effect of reducing the inconvenience of carrying various communication reading-writing devices by technicians.

Description

Technical Field

[0001] The present application relates to the technical field of communication read-write devices, and in particular to a composite multifunctional communication read-write head. Background Art

[0002] During post-sales maintenance and pre-sales testing of smart water meters, meter parameters must be modified and updated using infrared communication read / write devices. However, due to the wide variety of water meter models from different manufacturers, the size and structure of the meter dials also vary significantly. Different water meter models require the use of infrared communication read / write devices suitable for positioning and reading, resulting in limited versatility and significant operational challenges.

[0003] Therefore, the existing infrared communication reading and writing devices have certain disadvantages when used and cannot be universalized with a relatively simple structure. In addition, the existing water meters usually have NFC communication, and each maintenance requires carrying a large number of supporting tooling for communication reading and writing devices, which greatly increases the workload of staff and reduces work efficiency. Utility Model Content

[0004] In order to reduce the inconvenience of technicians carrying multiple communication reading and writing devices, the present application provides a composite multifunctional communication reading and writing head.

[0005] The present application provides a composite multifunctional communication read / write head adopting the following technical solutions:

[0006] A composite multifunctional communication read-write head includes a shell and an electronic device assembly. The shell is provided with a accommodating cavity, and the electronic device assembly is arranged in the accommodating cavity. The electronic device assembly includes a circuit board, an infrared communication module and an NFC communication module. The infrared communication module and the NFC communication module are both electrically connected to the circuit board, and a water meter cable is electrically connected to the circuit board.

[0007] By adopting the above technical solution, by integrating the NFC communication module and the infrared communication module in the shell, a multifunctional integrated design is achieved, which reduces the inconvenience of technicians carrying multiple communication reading and writing devices and improves the versatility and applicability of the equipment.

[0008] Preferably, a magnetic ring is further provided in the accommodating cavity, and the magnetic ring is located at the end of the accommodating cavity.

[0009] By adopting the above technical solution, the magnetic ring is provided so that the read-write head can be firmly adsorbed on the water meter, which simplifies the operation steps, improves work efficiency, and reduces errors caused by manual position adjustment.

[0010] Preferably, an insulating sheet is provided between the magnetic ring and the electronic device assembly.

[0011] By adopting the above technical solution, the insulating sheet can prevent the conductive materials between the magnetic ring and the circuit board from contacting each other, thereby avoiding current flow and leakage, protecting the circuit board from potential electrical damage, and reducing wear of the third circuit board.

[0012] Preferably, the shell includes an upper shell and a lower shell that are detachably connected, the upper shell or the lower shell is provided with a plug-in column, and the lower shell or the upper shell is provided with a plug-in slot corresponding to the plug-in column, and the plug-in column and the plug-in slot are plugged in and matched.

[0013] By adopting the above technical solution, the upper shell and the lower shell can be disassembled and assembled by using the plug-in plug-in columns and plug-in slots, which facilitates the maintenance and replacement of the internal circuit board, infrared communication module and NFC communication module.

[0014] Preferably, a mounting post is provided on the inner wall of the accommodating cavity, a mounting hole is opened on the circuit board corresponding to the mounting post, and the mounting post and the mounting hole are plug-fitted.

[0015] By adopting the above technical solution, the circuit board can be stably fixed in the housing through the plug-in fit of the mounting holes and the mounting posts, thereby ensuring the structural stability and reliability of the electronic device assembly.

[0016] Preferably, the infrared communication module includes an infrared communication lamp, and the housing is provided with a matching portion for use with an external reading and writing device. The matching portion is provided with a placement hole corresponding to the infrared communication lamp, and the infrared communication lamp is inserted into the placement hole.

[0017] By adopting the above technical solution, the matching part can ensure the accurate alignment of the communication device and the infrared communication lamp, effectively improving the stability and reliability of the communication.

[0018] Preferably, two infrared communication lamps are provided.

[0019] By adopting the above technical solution and setting up two infrared communication lights, reliable infrared signal transmission can be provided at different angles and distances, ensuring the stability and accuracy of communication.

[0020] Preferably, the infrared communication module further includes a photosensitive module, and a first filter is further provided in the housing corresponding to the photosensitive module.

[0021] By adopting the above technical solution and providing the first filter, the signal quality of infrared communication is improved, and the reliability and stability of infrared communication are ensured.

[0022] Preferably, a second filter is installed on the inner side of the shell corresponding to the infrared communication light.

[0023] By adopting the above technical solution and providing a second filter, it is possible to ensure that only infrared signals of a specific wavelength can pass through, thereby improving the accuracy and stability of infrared communication.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. The device integrates NFC and infrared communication modules, achieving a multifunctional integrated design. This reduces the inconvenience of technicians carrying multiple communication reading and writing devices, and improves the versatility and applicability of the device.

[0026] 2. The magnetic ring allows the read / write head to be firmly attached to the water meter, simplifying the operation process, improving work efficiency, and reducing errors caused by manual position adjustment;

[0027] 3. The insulating sheet prevents the conductive material between the magnetic ring and the circuit board from contacting each other, thereby preventing current flow and leakage and protecting the circuit board from potential electrical damage. At the same time, the first filter improves the signal quality of infrared communication. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0029] Figure 2 This is a schematic diagram of the explosion structure of an embodiment of the present application;

[0030] Figure 3 It is a structural schematic diagram of the upper shell in the embodiment of the present application.

[0031] Figure markings: 100, cable; 101, connector; 2, shell; 21, upper shell; 211, first opening; 212, plug-in post; 22, lower shell; 221, second opening; 222, plug-in slot; 23, mating part; 231, placement hole; 24, mounting post; 3, electronic device assembly; 31, circuit board; 311, first circuit board; 312, second circuit board; 313, third circuit board; 32, mounting hole; 33, infrared communication light; 4, insulating sheet; 5, magnetic ring; 6, first filter; 7, second filter. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-3 This application is described in further detail.

[0033] The embodiment of the present application discloses a composite multifunctional communication read-write head.

[0034] Reference Figure 1 and Figure 2A composite multifunctional communication read / write head includes a housing 2, a chamber disposed within the housing 2, and an electronic device assembly 3 mounted within the chamber. The electronic device assembly 3 includes a circuit board 31, an infrared communication module, and an NFC communication module electrically connected to the circuit board 31. A water meter cable 100 passes through the housing 2 and is electrically connected to the circuit board 31. The infrared communication module is used for infrared communication with an external read / write device, and the NFC communication module is used for NFC communication with an external read / write device. This provides more reading and writing methods for the external read / write device, reduces the number of reading and writing devices that workers need to carry, and allows workers to efficiently and conveniently complete reading and writing of smart water meters.

[0035] Reference Figure 2 and Figure 3 The shell 2 is cylindrical as a whole, and the shell 2 includes an upper shell 21 and a lower shell 22 that are detachably connected. The upper shell 21 and the lower shell 22 are both cylindrical, and the opposite side of the upper shell 21 and the lower shell 22 is set as an open surface. The upper shell 21 and the lower shell 22 can be made of metal, plastic or other suitable materials to ensure their structural strength and durability. A first opening 211 is provided on the end side of the upper shell 21 close to the lower shell 22, and a second opening 221 is provided on the end side of the lower shell 22 close to the upper shell 21 corresponding to the first opening 211, and the first opening 211 and the second opening 221 are spliced ​​into a wiring hole that is plugged into and matched with the connector 101. The cable 100 of the water meter can pass through the wiring hole to connect the signal to the electronic device component 3, thereby realizing the transmission of electrical energy and data to be read and written.

[0036] The upper shell 21 and the lower shell 22 can be detachably connected by means of a threaded structure, a plug-in structure or a magnetic structure, so as to facilitate maintenance of the internal circuit board 31, the infrared communication module and the NFC communication module, and a plug-in structure is adopted in this embodiment. The plug-in structure includes a plug-in column 212 provided on the upper shell 21 and a plug-in slot 222 opened on the lower shell 22, and the plug-in column 212 and the plug-in slot 222 are plugged in and matched. The plug-in column 212 is set in a cylindrical shape, and there are two plug-in columns 212. The plug-in columns 212 are set on the side of the upper shell 21 close to the lower shell 22. And the two plug-in columns 212 are respectively arranged on opposite sides of the cable 100. The plug-in slot 222 is set on the side of the lower shell 22 close to the upper shell 21 corresponding to the plug-in column 212, and the plug-in slot 222 is set corresponding to the plug-in column 212.

[0037] The electronic device assembly 3 includes a circuit board 31, which includes a first circuit board 311, a second circuit board 312, and a third circuit board 313 fixedly connected in sequence. The first circuit board 311 is located in the upper shell 21, and the first circuit board 311 is in the shape of a circular plate as a whole, and the plate surface of the first circuit board 311 is parallel to the end surface of the upper shell 21. Two mounting posts 24 are vertically arranged on the bottom surface of the upper shell 21, and the mounting posts 24 are in the shape of a cylinder as a whole. The first circuit board 311 is provided with mounting holes 32 corresponding to the mounting posts 24, and the mounting holes 32 and the mounting posts 24 are plugged in and matched, thereby enabling the electronic device assembly 3 and the housing 2 to be fixedly connected. The third circuit board 313 is located in the lower shell 22, and the third circuit board 313 is in the shape of a circular plate as a whole, and the plate surface of the third circuit board 313 is parallel to the end surface of the lower shell 22. The second circuit board 312 is in the shape of a rectangular plate as a whole. The surface of the second circuit board 312 is perpendicular to the surface of the first circuit board 311. The length direction of the second circuit board 312 is parallel to the length direction of the shell 2. The second circuit board 312 is located at the end of the first circuit board 311 away from the wiring hole.

[0038] The NFC module is arranged on a side of the first circuit board 311 away from the third circuit board 313 , and an external NFC reader / writer can read the data of the smart water meter by approaching the end surface of the upper shell 21 .

[0039] The infrared communication module is located on the side of the third circuit board 313 away from the first circuit board 311, and the infrared communication module is also located on the side of the second circuit board 312 away from the wiring hole. The infrared communication module includes a photosensitive module located on the third circuit board 313 and an infrared communication lamp 33 located on the second circuit board 312. There are two infrared communication lamps 33, and both infrared communication lamps 33 are located at one end of the second circuit board 312 away from the wiring hole. A wedge-shaped mating portion 23 is integrally formed on the outer wall of the upper shell 21 away from the wiring hole, and a placement hole 231 is provided on the mating portion 23 corresponding to the infrared communication lamp 33. The infrared communication lamp 33 is inserted into the placement hole 231, and a groove for embedding a communication device is provided at the front end of the mating portion 23 away from the shell 2 to facilitate accurate infrared communication. In addition, data can be written to the water meter through infrared communication, thereby realizing the debugging of the water meter.

[0040] An insulating sheet 4, a magnetic ring 5, and a first optical filter 6 are sequentially arranged at the bottom of the third circuit board 313, away from the first circuit board 311. The magnetic ring 5 is generally annular and fixed within the lower housing 22, adapted to be attached to the water meter to facilitate NFC and infrared communication. The magnetic ring 5 can be made of a permanent magnetic material, such as neodymium iron boron or ferrite, which possesses a strong magnetic force. In certain situations, the magnetic ring 5 may become charged due to external factors (such as static electricity or moisture), potentially causing a short circuit or damage to the circuit. The insulating sheet 4 prevents contact between the magnetic ring 5 and the conductive material between the circuit board and the third circuit board, thereby preventing current flow and leakage and protecting the circuit board from potential electrical damage. Furthermore, the insulating sheet 4 prevents contact between the magnetic ring 5 and the third circuit board 313, reducing wear on the third circuit board 313.

[0041] The first optical filter 6 is located at the bottom of the lower housing 22 and is used to improve the signal quality of infrared communication. The first optical filter 6 can be made of optical glass, resin, or other transparent materials, and has excellent light transmittance and filtering performance. The thickness and diameter of the first optical filter 6 can be designed according to actual needs. The first optical filter 6 can be fixed to the bottom of the lower housing 22 using adhesives, snaps, or pressing methods to ensure its flatness and sealing.

[0042] Furthermore, a second filter 7 is mounted on the inner wall of the matching portion 23 corresponding to the infrared communication lamp 33. The second filter 7 ensures that only infrared signals of a specific wavelength can pass through, thereby improving the accuracy and stability of infrared communication.

[0043] The implementation principle of the composite multifunctional communication read / write head in this embodiment is as follows: it integrates an NFC communication module and an infrared communication module, achieving a multifunctional all-in-one design. This reduces the inconvenience of technicians carrying multiple communication read / write devices and improves the versatility and applicability of the device. Furthermore, the provision of a magnetic ring 5 allows the read / write head to be securely attached to the water meter, simplifying the operation process, improving work efficiency, and reducing errors caused by manual position adjustment.

[0044] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A composite multifunctional communication read / write head, characterized by: The invention comprises a housing (2) and an electronic device assembly (3), wherein a receiving cavity is provided in the housing (2), and the electronic device assembly (3) is provided in the receiving cavity. The electronic device assembly (3) comprises a circuit board (31), an infrared communication module, and an NFC communication module. The infrared communication module and the NFC communication module are both electrically connected to the circuit board (31), and a water meter cable is electrically connected to the circuit board (31).

2. The composite multifunctional communication read / write head according to claim 1, characterized in that: A magnetic ring (5) is also provided in the accommodating cavity, and the magnetic ring (5) is located at the end of the accommodating cavity.

3. The composite multifunctional communication read / write head according to claim 2, characterized in that: An insulating sheet (4) is provided between the magnetic ring (5) and the electronic device assembly (3).

4. The composite multifunctional communication read / write head according to claim 1, characterized in that: The housing (2) comprises an upper shell (21) and a lower shell (22) that are detachably connected, a plug-in column (212) being provided on the upper shell (21) or the lower shell (22), and a plug-in slot (222) corresponding to the plug-in column (212) being provided on the lower shell (22) or the upper shell (21), and the plug-in column (212) and the plug-in slot (222) being plugged in and matched.

5. The composite multifunctional communication read / write head according to claim 1, characterized in that: A mounting post (24) is provided on the inner wall of the accommodating cavity, a mounting hole (32) is provided on the circuit board (31) corresponding to the mounting post (24), and the mounting post (24) and the mounting hole (32) are plug-fitted.

6. The composite multifunctional communication read / write head according to claim 1, characterized in that: The infrared communication module includes an infrared communication lamp (33), and the housing (2) is provided with a matching portion (23) for use with an external reading and writing device. The matching portion (23) is provided with a placement hole (231) corresponding to the infrared communication lamp (33), and the infrared communication lamp (33) is inserted into the placement hole (231).

7. The composite multifunctional communication read / write head according to claim 6, characterized in that: There are two infrared communication lamps (33).

8. The composite multifunctional communication read / write head according to claim 1, characterized in that: The infrared communication module further comprises a photosensitive module, and a first filter (6) is further provided in the housing (2) corresponding to the photosensitive module.

9. The composite multifunctional communication read / write head according to claim 6, characterized in that: A second filter (7) is installed on the inner side of the housing (2) corresponding to the infrared communication light (33).

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