CN215352490U

CN215352490U - Filter combined with RFID anti-counterfeiting function and positioning structure

Info

Publication number: CN215352490U
Application number: CN202023235861.8U
Authority: CN
Inventors: 陈进
Original assignee: Mann and Hummel Filter Shanghai Co Ltd
Current assignee: Mann and Hummel Filter Shanghai Co Ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-12-31
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a filter with an RFID anti-counterfeiting function and a positioning structure, which comprises an upper cover, a filter element and a lower shell, wherein the filter element is arranged in a sealed cavity formed by the upper cover and the lower shell, an RFID chip is arranged on the filter element, and a card reader for identifying the RFID chip is arranged outside the lower shell; the upper end cover of the filter element is provided with a limiting groove, the inner side of the upper cover is provided with a guide rib matched with the limiting groove, and after the upper cover and the filter element are installed at corresponding positions of the lower shell, the guide rib and the limiting groove are buckled together, so that the relative position of the RFID chip and the card reader is kept within a set range. The filter solves the assembly problem of the existing filter with the RFID anti-counterfeiting chip, can ensure that the angle and the distance between the card reader and the chip are within the maximum allowable reading and writing range, and ensures the normal operation of the communication reading and writing function.

Description

Filter combined with RFID anti-counterfeiting function and positioning structure

Technical Field

The utility model relates to the technical field of filters, in particular to a filter combining an RFID anti-counterfeiting function and a positioning structure.

Background

The main function of the filter is to filter the fluid flowing through the filter, so as to ensure the reliability of the operation of the system. Counterfeit or poor quality's filter can influence system performance, so need add anti-fake technique to the filter in the market, use now on the filter more anti-fake technique be two-dimensional code scanning, this type of anti-fake technique structure and operation are fairly simple, can directly scan with the cell-phone, do not encrypt moreover, so crack very easily. In order to ensure that the filter element specified by the manufacturer is used and can be monitored in real time, a more effective vehicle-mounted anti-counterfeiting system needs to be developed to eliminate the risks, wherein the electronic tag is an important component of the whole anti-counterfeiting system.

Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology, can discern the target object and acquire relevant data through radio frequency signal, has used at present at the filter, and patent CN205287916U discloses an air cleaner filter core that pre-buried has RFID electronic tags, glues the body including filter core body and the PU that sets up in filter core body tip, and PU glues the body and be the loop configuration, is equipped with filter core recess on it, and the RFID electronic tags has been buried underground to the relative one side of filter core recess in the PU glues the body. Patent CN211598862U discloses an anti-fake air cleaner of filter core, including casing and the inside filter core of casing, be equipped with annular chip on the filter core, be equipped with the reader that reads chip information on the casing, this reader is connected with the control unit electricity of engine, can send electromagnetic wave signal to annular chip after the reader attach power, annular chip receives the electromagnetic wave back and can feed back filter core information to reader, the reader judges the filter core true and false according to the chip information on the filter core received, perhaps will receive the chip information feedback engine control unit and then judge the filter core true and false.

The communication between the card reader and the chip adopts a radio frequency technology, antennas are arranged on the card reader and the chip, and the communication read-write function can normally operate only when the angle and the distance between the antennas of the two parts are within an allowed read-write range, otherwise, the communication cannot be read. This requires that the chip on the filter element and the card reader on the lower housing must be secured within a certain range each time the filter element is assembled, however, it is difficult to sufficiently secure this function with the existing filter element mounting structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the assembly problem of the existing filter with an RFID anti-counterfeiting chip, and provides a filter combining an RFID anti-counterfeiting function and a positioning structure, so as to ensure that the angle and the distance between two parts, namely a card reader and a chip, are within the maximum allowable reading and writing range and ensure the normal operation of the communication reading and writing function.

The purpose of the utility model is realized by the following technical scheme:

a filter combined with an RFID anti-counterfeiting function and a positioning structure comprises an upper cover, a filter element and a lower shell, wherein the upper cover is installed at the upper part of the lower shell; the upper end cover of the filter element is provided with a limiting groove, the inner side of the upper cover is provided with a guide rib matched with the limiting groove, and after the upper cover and the filter element are installed at corresponding positions of the lower shell, the guide rib and the limiting groove are buckled together, so that the relative position of the RFID chip and the card reader is kept within a set range.

Furthermore, the limiting grooves are two and comprise a first limiting groove and a second limiting groove, and the first limiting groove and the second limiting groove are arranged on the upper end cover of the filter element at an interval of 180 degrees.

Further, first spacing groove and second spacing groove are the arc piece that is equipped with the fluting, and first spacing groove and second spacing groove are asymmetric, the length of first spacing groove is greater than the second spacing groove, first spacing groove is close to the circumference avris of upper end cover sets up, the second spacing groove is close to the center setting of upper end cover.

Furthermore, the guide ribs on the inner side of the upper cover correspond to the limiting grooves and are two, and the guide ribs comprise first guide ribs and second guide ribs.

Furthermore, first direction muscle is located on the inboard circumference wall of upper cover, the second direction muscle is located on the end cover of upper cover medial side, and the upper cover and filter core upper end cover are regardless of whether the assembly or the dismantlement, and relative position all is fixed at every turn because the direction muscle can screw in the spacing groove or the direction muscle promotes the spacing groove and rotates.

Furthermore, the RFID chip is installed on the circumferential wall of the upper end cover of the filter element and is integrated on the upper end cover of the filter element through glue injection or embedding.

Furthermore, the card reader is mounted on the circumferential wall surface of the lower shell and is connected and mounted through processes such as bolts or welding.

Further, the lower end of the filter element is screwed in the lower shell, and the lower end of the upper cover is screwed on the lower shell.

Further, the upper cover lower part is equipped with the sealing washer mounting groove, install the sealing washer in the sealing washer mounting groove, the sealing washer is O type sealing washer, the upper cover is installed behind the casing down, pass through the junction between the two the sealing washer is sealed, and upper and lower casing passes through the moment of torsion locking, forms outside radial seal.

Compared with the prior art, the filter element with the RFID anti-counterfeiting chip has the advantages that the limiting groove is formed in the upper end cover of the filter element, the guide rib matched with the limiting groove is arranged on the inner side of the upper cover, the upper cover and the filter element are clamped with the limiting groove after being installed at the corresponding positions of the lower shell, the upper cover and the upper end cover of the filter element are assembled or disassembled, the relative positions of the upper cover and the upper end cover of the filter element are guaranteed to be fixed every time, the guide rib can be screwed into the limiting groove or the guide rib pushes the limiting groove to rotate, so that the relative positions of the RFID chip and the card reader are kept in a set range, the assembly problem of the existing filter with the RFID anti-counterfeiting chip is effectively solved, the angle and the distance between the two parts of the card reader and the chip are guaranteed to be in the maximum allowable reading and writing range, and the normal operation of communication reading and writing functions is guaranteed.

Drawings

FIG. 1 is a schematic view of an exploded construction of a filter according to the present invention;

FIG. 2 is a schematic view of a limiting groove structure on the upper end cover of the filter element of the present invention;

FIG. 3 is a cross-sectional view of the upper end cap and upper cover of the filter element of the present invention;

FIG. 4 is a schematic view of the upper cover mounted to the lower housing;

fig. 5 is a schematic view of the upper cover detached from the lower housing.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

As shown in fig. 1, a filter with RFID anti-counterfeiting function and positioning structure includes an upper cover 1, a filter element 2 and a lower housing 4, wherein the upper cover 1 is installed on the upper portion of the lower housing 4, the filter element 2 is installed in a sealing cavity formed by the upper cover 1 and the lower housing 4, the filter element 2 is provided with an RFID chip 6, and the lower housing 4 is externally provided with a card reader 5 for identifying the RFID chip 6.

For example 2 and 3, a limiting groove 7 is formed in an upper end cover 201 of the filter element 2, a guide rib 8 matched with the limiting groove 7 is arranged on the inner side of the upper cover 1, and after the upper cover 1 and the filter element 2 are installed at corresponding positions of the lower shell 4, the guide rib 7 and the limiting groove 8 are buckled together, so that the relative position of the RFID chip 6 and the card reader 5 is kept within a set range.

Specifically, the two limiting grooves are provided, and include a first limiting groove 701 and a second limiting groove 702, and the first limiting groove 701 and the second limiting groove 702 are arranged on the upper end cover 201 of the filter element 2 at an interval of 180 degrees. First spacing groove 701 and second spacing groove 702 are the arc piece that is equipped with the fluting, and first spacing groove 701 and second spacing groove 702 are asymmetric, and the length of first spacing groove 701 is greater than second spacing groove 702, and first spacing groove 701 is close to the circumference avris setting of upper end cover 201, and second spacing groove 702 is close to the central setting of upper end cover 201, can prevent the mistake and adorn.

The two guide ribs 8 on the inner side of the upper cover 1 are arranged corresponding to the limiting grooves and comprise first guide ribs 801 and second guide ribs 802, the first guide ribs 801 are arranged on the circumferential wall surface on the inner side of the upper cover 1, the second guide ribs 802 are arranged on the end cover on the inner side of the upper cover 1, the upper cover 1 and the filter element upper end cover 201 are assembled or disassembled, the relative position is fixed every time, and the guide ribs can be screwed into the limiting grooves or can push the limiting grooves to rotate.

The RFID chip 6 is installed on the circumferential wall of the upper end cover of the filter element 2 and integrated on the upper end cover of the filter element 2 through glue injection or pre-embedding. The card reader 5 is mounted on the circumferential wall surface of the lower case 4 and is connected and mounted by a process such as a bolt or welding. The lower end of the filter element 2 is screwed in the lower shell 4, and the lower end of the upper cover 1 is screwed on the lower shell 4. The lower part of the upper cover 1 is provided with a sealing ring mounting groove, an O-shaped sealing ring 3 is mounted in the sealing ring mounting groove, after the upper cover 1 is mounted on the lower shell 4, the joint between the upper cover and the lower cover is sealed through a sealing ring, and the upper shell 4 and the lower shell are locked through torque to form external radial sealing.

As shown in fig. 4, when the filter element 2 and the upper cover 1 are screwed into the lower housing 4 together, the guide rib 8 on the upper cover 1 pushes the limit groove 8 of the upper end cover 10 of the filter element to rotate clockwise, and at this time, the guide rib in the upper cover 1 and the limit groove of the upper end cover 10 of the filter element are disengaged; as shown in fig. 5, when the filter element 2 is replaced, the guide rib 8 on the upper cover 1 can be screwed into the guide groove 7 in the upper end cover 10 of the filter element, and the two are buckled together, so as to take out the filter element 2, because a torque set value is provided for each time of installation or disassembly, the relative position of the upper cover 1 and the lower shell 4 is within an angle range, so that the relative position of the filter element 2 and the lower shell 4 is within an angle range, the relative position of the card reader 5 on the lower shell 4 and the filter element 2 is within a certain angle range, and the angle range is within a range which the RFID is allowed to read at maximum, thereby ensuring that the RFID function works normally after the filter element is maintained.

The specific working principle of the filter is that after the whole vehicle or the engine is powered on or started, the card reader is powered on, the whole vehicle or the engine and the card reader perform identity authentication (encryption algorithm), and the card reader and the chip perform identity authentication (encryption algorithm), so that the card reader is ensured to be a genuine product card reader and not a counterfeit product; the chip is a genuine chip, after the authentication is finished and the card reader and the chip are confirmed to be correct, the card reader actively or passively (the whole vehicle or the engine starts to read after sending a request) reads information in the chip at a certain frequency, the information of the chip comprises the use state, the production information, the part number, the ID of the chip and the like of the filter element and is transmitted to a CAN BUS BUS of the whole vehicle or the engine, the whole vehicle or the engine transmits the information on the CAN BUS to a cloud end or an instrument panel and transmits the information to the instrument panel, and the true and false information of the filter element CAN be displayed on the instrument panel; if transmit the high in the clouds, there are two kinds of modes, and the first kind is just done the true and false record of filter core in the high in the clouds, and the instrument panel is retransmitted from the high in the clouds to the second kind mode, shows the true and false information of filter core on the panel board to the user can be very clear knows the true and false state of renew cartridge.

The communication between the card reader and the chip adopts a radio frequency technology, antennas are arranged on the card reader and the chip, the angle and the distance between the antennas of the two parts are within the maximum allowable reading and writing range, the communication reading and writing function is normally operated, otherwise, the communication reading and writing function cannot be read. This requires that the chip on the filter element and the card reader on the lower housing must be guaranteed to work normally within a certain range during each assembly of the filter element, and the positioning structure of the filter element fully guarantees the function.

The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. A filter combined with an RFID anti-counterfeiting function and a positioning structure comprises an upper cover, a filter element and a lower shell, wherein the upper cover is installed at the upper part of the lower shell;

the filter element is characterized in that a limiting groove is formed in the upper end cover of the filter element, a guide rib matched with the limiting groove is arranged on the inner side of the upper cover, and the guide rib and the limiting groove are buckled together after the upper cover and the filter element are installed at corresponding positions of the lower shell.

2. The filter with the RFID anti-counterfeiting function and the positioning structure according to claim 1, wherein the number of the limiting grooves is two, and the two limiting grooves comprise a first limiting groove and a second limiting groove, and the first limiting groove and the second limiting groove are arranged on the upper end cover of the filter element at an interval of 180 degrees.

3. The filter with the RFID anti-counterfeiting function and the positioning structure according to claim 2, wherein the first limiting groove and the second limiting groove are both arc-shaped blocks provided with grooves, the first limiting groove and the second limiting groove are asymmetric, the length of the first limiting groove is larger than that of the second limiting groove, the first limiting groove is arranged close to the circumferential side of the upper end cover, and the second limiting groove is arranged close to the center of the upper end cover.

4. The filter with the RFID anti-counterfeiting function and the positioning structure according to claim 3, wherein two guide ribs are arranged on the inner side of the upper cover corresponding to the limiting groove and comprise a first guide rib and a second guide rib.

5. The filter with the RFID function and the RFID structure as claimed in claim 4, wherein the first guiding rib is disposed on the inner circumferential wall of the upper cover, and the second guiding rib is disposed on the inner end cover of the upper cover.

6. The filter with the RFID anti-counterfeiting function and the positioning structure according to claim 1, wherein the RFID chip is mounted on the circumferential wall of the upper end cover of the filter element and integrated on the upper end cover of the filter element through glue injection or pre-embedding.

7. The filter with the RFID anti-counterfeiting function and the positioning structure according to claim 1, wherein the card reader is mounted on the circumferential wall surface of the lower shell and is connected and mounted through a bolt or welding process.

8. The filter with the RFID function and the RFID positioning structure, as recited in claim 1, wherein the lower end of the filter element is screwed into the lower housing, and the lower end of the upper cover is screwed onto the lower housing.

9. The filter with the RFID anti-counterfeiting function and the positioning structure according to claim 8, wherein a sealing ring installation groove is formed in the lower portion of the upper cover, a sealing ring is installed in the sealing ring installation groove, and after the upper cover is installed on the lower shell, the joint between the upper cover and the lower shell is sealed through the sealing ring.

10. The filter with the RFID function and the positioning structure as claimed in claim 9, wherein the sealing ring is an O-ring.