Wireless electronic tag and to-be-tracked object equipped with same

Abstract

The utility model provides a wireless electronic tag and a to-be-tracked object provided with the wireless electronic tag. Provided is a wireless electronic tag, comprising: a circuit system; the circuit system is accommodated in a cavity of the inner shell; a heat-insulating housing; and the shell comprises an upper shell and a lower shell, a sealing ring groove is formed in the shell to accommodate the sealing ring, and the upper shell and the lower shell are mutually pressed to fix the sealing ring and form sealing.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless communication field, specifically, relate to a kind of high temperature and high pressure resistant wireless electronic tag. BACKGROUND

[0002] With the development of Bluetooth Low Energy (BLE) technology, it is widely used with the characteristics of low power consumption, high-speed transmission, security, flexibility, low cost and wide compatibility. In the medical industry, the electronic tag installed on the medical tray was used to track in the past, and now it is also trying to integrate BLE technology on the electronic tag. The electronic tag with RFID and BLE will have better performance, which can track and identify the status of the tray through the mobile phone, and can also manage the tray through the internal supporting software and Bluetooth network management node.

[0003] The conventional use temperature of BLE circuit board, electronic components (such as Bluetooth chip, capacitor, inductor, etc.) and battery is -20℃~85℃, while in the use life cycle of medical tray, during the high temperature and high pressure steam sterilization and cleaning process, it needs to reach and maintain a temperature as high as 136℃ and a pressure level of 35pcsi, and there is no low-power Bluetooth product on the market that can withstand 136℃ steam sterilization. In addition, the steam with high humidity itself will erode the circuit board and battery, causing circuit breakage or other failures. It is very important to protect BLE tags from high temperature and high humidity steam erosion. However, most of the thermal insulation materials and structures only have thermal insulation effect in open environment (i.e. good air flow, non-heating surface easy to dissipate heat) and in a short time (a few minutes), but once it is made into a closed cavity, it has no obvious thermal insulation effect when it is surrounded by high temperature outside and cannot dissipate heat, which is not enough to keep the BLE tag from being damaged. SUMMARY

[0004] The utility model is completed in order to solve the above problem, its purpose is to provide a kind of wireless label, by adopting special thermal insulation material to form a sealed structure, protect circuit board and electronic component from high temperature damage and prevent high pressure steam erosion circuit board. In addition, it also provides a BLE tag mounting structure that can adapt to different trays.

[0005] Technical scheme for solving technical problems

[0006] In order to solve the above problems, the first aspect of the utility model provides a kind of wireless electronic tag, and the wireless electronic tag includes: circuit system;Inner shell, circuit system is contained in the cavity of inner shell;Thermal insulation shell;Shell, shell includes upper shell and lower shell, sealing ring groove is provided in shell to contain sealing ring, upper shell and lower shell are pressed tightly to each other to fix sealing ring and form sealing.

[0007] Preferably, two seal ring grooves are provided in the housing staggered with each other, and two seal rings are fixed in the two seal ring grooves.

[0008] Preferably, the upper housing and the lower housing have a vertical mating surface therebetween, two seal ring grooves are vertically arranged in the vertical mating surface, and two seal rings are fixed in the two seal ring grooves.

[0009] Preferably, the heat-insulating housing comprises a housing upper portion and a bottom cover, and the housing upper portion and the bottom cover are pressed against each other to form a cavity for accommodating the inner housing.

[0010] Preferably, the joint between the housing upper portion and the bottom cover of the heat-insulating housing is staggered with the joint between the upper housing and the lower housing of the outer housing.

[0011] The second aspect of the present application provides a wireless electronic tag, characterized in that the wireless electronic tag comprises: a housing, the housing comprising an upper housing and a lower housing, a seal ring groove being provided in the housing to accommodate a seal ring, the upper housing and the lower housing being pressed against each other to fix the seal ring and form a seal, an inner surface of the upper housing comprising a plurality of support members; a circuit system, the circuit system being fixed to the plurality of support members of the housing; and a heat-insulating medium, the heat-insulating medium being filled in a cavity of the housing in which the circuit system is installed.

[0012] Preferably, the heat-insulating medium is filled in the cavity of the housing in a liquid state and is solidified to completely wrap the circuit system.

[0013] Preferably, the circuit system comprises a PCB, and the PCB is fixed to the plurality of support members.

[0014] The third aspect of the present application provides a to-be-tracked object provided with the wireless electronic tag according to any one of the preceding aspects.

[0015] Preferably, the wireless electronic tag is installed to the to-be-tracked object by being installed to a bracket fixed to the to-be-tracked object. BRIEF DESCRIPTION OF DRAWINGS

[0016] Therefore, in order to more fully understand the above-mentioned features of the present application, the present application can be described in more detail by referring to the embodiments, and the more specific description of the disclosed embodiments can be made by referring to the embodiments, some of which are illustrated in the accompanying drawings. However, it should be noted that the accompanying drawings only illustrate exemplary embodiments, and therefore should not be considered as limiting the scope thereof, and other equivalent embodiments can be allowed.

[0017] Figure 1 A perspective view of a BLE tag of one embodiment of the present application is shown.

[0018] Figure 2a And Figure 2bA cross-sectional view and an exploded perspective view of the BLE tag of one embodiment of the present application are shown.

[0019] Figure 3a A housing sealing ring structure and a partial enlarged view of one embodiment of the present application are shown.

[0020] Figure 3b Another housing sealing ring structure and a partial enlarged view of one embodiment of the present application are shown.

[0021] Figure 4 A cross-sectional view of the BLE tag 600 of another embodiment of the present application is shown.

[0022] Figure 5 A pressure-time curve during a typical high temperature high pressure steam sterilization cycle is shown.

[0023] Figure 6 A temperature profile measured during one sterilization cycle is shown.

[0024] Figures 7a to 7b A BLE tag installation schematic diagram of the first embodiment of the present application is shown.

[0025] Figure 8 A schematic diagram of the BLE tag of the second embodiment of the present application installed to a support is shown.

[0026] Figure 9 A schematic diagram of the BLE tag of the third embodiment of the present application installed to a support is shown.

[0027] Figure 10 A schematic diagram of the BLE tag of the fourth embodiment of the present application installed to a support is shown.

[0028] Figures 11a to 11b A BLE tag installation schematic diagram of the fifth embodiment of the present application is shown. DETAILED DESCRIPTION

[0029] The present application will be described in detail below with reference to the drawings and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present application, and detailed embodiments and specific operation processes are given, but the protection scope of the present application is not limited to the following embodiments.

[0030] For the sake of description, spatial relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for describing the orientation of one element or features relative to another element or feature as shown in the figures. It will be understood that the spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features.

[0031] The utility model is described in detail in combination with the schematic diagram, in detail the utility model embodiment, for convenient for explanation, the sectional view of device structure will not be enlarged locally according to general proportion, and the schematic diagram is only example, it should not limit the range of the utility model protection here. In addition, three-dimensional spatial dimension of length, width and depth should be contained in actual manufacture.

[0032] Unless otherwise defined, technical terms or scientific terms used in the claims and the specification should be understood as the common meaning of the person skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model patent application specification and claims do not represent any order, quantity or importance, but are used to distinguish different components. "One" or "a" and similar words do not represent quantity limitation, but represent the existence of at least one. "Include" or "contain" and similar words mean that the elements or objects appearing before "include" or "contain" cover the elements or objects listed after "include" or "contain" and their equivalent elements, and do not exclude other elements or objects. "Connection" or "connection" and similar words are not limited to physical or mechanical connection, and are not limited to direct or indirect connection.

[0033] It should be understood that although the entire utility model is described with reference to BLE tags, the utility model can be similarly applied to other types of wireless electronic tags.

[0034] A perspective view of a BLE tag 100 of one embodiment of the utility model is shown.

[0035] A perspective view of a BLE tag 100 of one embodiment of the utility model is shown. Figure 1 A cross-sectional view and an exploded perspective view of a BLE tag 100 of one embodiment of the utility model are shown respectively. Figure 2a Figure 2b A cross-sectional view and an exploded perspective view of a BLE tag 100 of one embodiment of the utility model are shown respectively.

[0036] The BLE tag 100 comprises BLE circuitry 101, which can include a printed circuit board (PCB), a BLE chip soldered on the PCB for connection, electronic components such as a capacitor, an inductor, and a battery, etc. The BLE circuitry 101 is accommodated in a cavity of an inner shell 103, which is configured to support the BLE circuitry 101. The inner shell 103 can be made of plastic, and preferably, the inner shell 103 can also be made of a thermal insulation material.

[0037] The inner shell 103 is wrapped with a thermal insulation shell 105, and the thermal insulation shell 105 comprises a shell upper portion 105a and a bottom cover 105b, which form a closed cavity for accommodating the inner shell 103 by pressing against each other. The thermal insulation shell 105 is made of a thermal insulation material, which is preferably aerogel thermal insulation material. The aerogel thermal insulation material has a special molecular structure and crystal structure, so that the material forms a porous structure and blocks air to achieve thermal insulation properties. When placed in an environment of 136℃ for 1 hour, the temperature can only reach 80℃ at most. Preferably, the thickness of the thermal insulation shell 105 is greater than or equal to 5mm, and the thicker the thickness, the better the thermal insulation performance. Since the thermal insulation material itself is not waterproof, water vapor can destroy the structure of the thermal insulation material and thus reduce the thermal insulation performance. Therefore, an outer shell 107 is provided outside the thermal insulation shell 105, and the outer shell 107 comprises an upper shell 107a and a lower shell 107b, and a sealing ring groove is provided in the outer shell 107 to accommodate the sealing ring 109 therein, and the sealing ring 109 is fixed and sealed by pressing the upper shell 107a and the lower shell 107b against each other.

[0038] Figure 3a A partial enlarged view of a sealing ring structure of the outer shell is shown in one embodiment of the present application, and Figure 3b A partial enlarged view of another sealing ring structure of the outer shell is shown in one embodiment of the present application.

[0039] In Figure 3a , two sealing ring grooves are provided in the outer shell 107 and accommodate the sealing ring 109, and the two sealing ring grooves are staggered with each other (i.e., not on the same horizontal plane). While in Figure 3b , the upper shell 107a and the lower shell 107b have a vertical mating surface therebetween, and the two sealing ring grooves are vertically arranged in the vertical mating surface.

[0040] Referring back to Figures 1 to 2b , optionally, the upper shell 107a and the lower shell 107b can each comprise fastening fittings 111 (e.g., bolts and screw holes) to press the upper shell 107a and the lower shell 107b against each other. In order to press the sealing ring at each position to achieve a sealing effect, the number of fastening fittings can be increased at any position. The outer shell 107 is preferably made of a thermoplastic plastic (e.g., PPSU).

[0041] In addition, in order to achieve a better tight sealing effect, the seam between the upper shell 107a and the lower shell 107b is also staggered from the seam between the upper part 105a and the bottom cover 105b of the heat insulation shell 105.

[0042] <Another example of a BLE label>

[0043] Figure 4 A cross-sectional perspective view of a BLE tag 400 according to another embodiment of the present invention is shown. The housing 401 of the BLE tag 400 is shown in reference. Figures 1 to 3b The described BLE tag 200 has a similar housing 207, including an upper housing 401a, a lower housing 401b, and a sealing ring groove for securing the sealing ring, which will not be described in detail here. The difference lies in that the inner surface (e.g., the upper surface of the inner surface) of the upper housing 401a of the BLE tag 400 also includes multiple supports, such as at least two support posts 403. The support posts 403 directly contact and secure the BLE circuit system 405 of the BLE tag 400. For example, the PCB of the BLE circuit system 405 can be perforated at positions corresponding to the support posts, allowing the support posts 403 to be inserted and secured. Alternatively, the PCB can be secured to the support posts 403 using additional fasteners (e.g., screws).

[0044] The insulating medium can be filled into the cavity of the housing 401 where the BLE circuit system 405 is installed. The insulating medium can be filled into the cavity of the housing 401 in a liquid state and cured at room temperature or high temperature to completely encapsulate the BLE circuit system 405. The BLE label 400 can be assembled by flipping the upper housing 401a upside down, fixing the BLE circuit system 405 to the support column of the upper housing 401a, filling with liquid insulating material, and then assembling the lower housing 401b. The thickness of the insulating medium covering each surface of the BLE circuit system 405 is greater than or equal to 5 mm to ensure its insulation performance.

[0045] Figure 5 The diagram shows the pressure-time curve during a typical high-temperature, high-pressure steam sterilization cycle, meaning the aforementioned BLE label needs to undergo this sterilization process along with the medical device. The maximum steam pressure inside the sterilizer reaches 200 kPa (~35 psi), and the maximum temperature reaches 134°C. During the entire sterilization cycle, there are three pre-vacuum phases inside the sterilizer, expected to last a total of 15–20 minutes. Then, the pressure and temperature gradually increase, maintaining the highest temperature and pressure for 5–18 minutes during the sterilization phase. Finally, there is a cooling and drying phase lasting approximately 20 minutes. The entire sterilization cycle generally lasts about 60 minutes.

[0046] Figure 6The temperature curve measured during a sterilization cycle is shown. Among them, the black curve shows the ambient temperature of the BLE tag during a sterilization cycle, the red curve shows the temperature inside the tag without thermal insulation material during a sterilization cycle, and the blue curve shows the temperature inside the BLE tag of the utility model embodiment during a sterilization cycle. During a sterilization cycle, the external temperature is always higher than the internal temperature of the BLE tag of the utility model, the temperature inside the BLE tag slowly rises, and the highest reaches 78℃. Throughout the process, the circuit system of the BLE tag can always work normally. If no thermal insulation material is used, the internal temperature of the tag will rise with the temperature of the sterilizer and drop with the temperature of the sterilizer. When the temperature exceeds 120℃, the circuit system of the tag will not work, and the signal of the tag will not be detected. As can be seen, the BLE tag structure with the heat-insulating shell proposed by the utility model protects the circuit system of the BLE tag from high-temperature damage or vapor erosion, and expands the application field of the BLE tag.

[0047] <Installation of BLE tag>

[0048] Figure 7a The exploded view of the BLE tag 700 and the bracket 710 is shown, the BLE tag 700 is installed to the bracket 710, and then installed to the tray through the bracket 710.

[0049] Figure 7b The cross-sectional side view and the partial enlarged view of the assembled state of the BLE tag 800 installed to the bracket 810 are shown. There is a groove 701 at the bottom of the BLE tag 700, and the bracket 710 includes a base 711 and a protrusion 712, which is inserted into the groove 701 at the bottom of the BLE tag 700 during installation. Optionally, the protrusion 712 can further include a ridge 713 to help clamping with the groove 701. The bracket 710 can include metal and / or plastic. Each surface of the base 711 is provided with a plurality of holes for fixing to the tray by a mounting member (e.g., a screw). In addition, the horizontal upper surface of the base 711 can also be provided with a stabilizing member which cooperates with the bottom surface of the BLE tag 700 to further fix the BLE tag 700.

[0050] Figure 8A schematic diagram showing the BLE tag 800 of the second embodiment of the present application installed on the bracket 810. The two side surfaces of the BLE tag 800 are respectively provided with two protruding clamping columns 801, wherein the two side surfaces of the BLE tag 800 refer to the side surfaces adjacent to the back surface which will be attached to the bracket 810. The two side surfaces of the bracket 810 corresponding to the two side surfaces of the BLE tag 800 are respectively provided with two grooves 811. During installation, the protruding clamping columns 801 are embedded into the corresponding grooves 811 from top to bottom, and the width of the opening of the groove 811 is slightly smaller than the diameter of the protruding clamping column 801, so that the protruding clamping column 801 is not easy to be separated from the groove 811. The bracket 810 can be made of metal and / or plastic material. The back surface of the bracket 810 is provided with a plurality of holes for being fixed to the tray by a mounting member (for example, a screw). In addition, the protruding clamping columns 801 on the same side surface of the tag 800 (and correspondingly, the grooves 811 on the same side surface of the bracket 810) are arranged in an up-down staggered manner, so that the left and right surfaces of the bracket 810 are uniformly stressed and are not easy to be deformed.

[0051] Figure 9 A schematic diagram showing the BLE tag 900 of the third embodiment of the present application installed on the bracket 910. The left and right side surfaces of the BLE tag 900 close to the back side are respectively provided with a vertical sliding groove 901, wherein the left and right side surfaces of the BLE tag 900 refer to the side surfaces adjacent to the back surface which will be attached to the bracket 910. The bracket 910 has a total of five surfaces, including a left front surface, a right front surface (the left front surface and the right front surface are collectively referred to as a front surface), a left surface, a right surface and a back surface. The left surface and the right surface of the bracket 910 are perpendicular to the front surface and the back surface, and the left front surface and the right front surface are respectively provided with a sliding rail 911. During installation, the two vertical sliding grooves 901 of the tag 900 are respectively inserted into the two sliding rails 911 of the bracket 910 from top to bottom. The back surface of the bracket 910 is provided with a plurality of holes for being fixed to the tray by a mounting member (for example, a screw). The upper edge of the sliding rail can be provided as an inclined edge, so that the tag 900 is easy to be installed in the bracket 910.

[0052] Figure 10A schematic diagram of the BLE tag 1000 of the fourth embodiment of the present application installed to the bracket 1010 is shown. The left and right sides of the BLE tag 1000 are respectively provided with shallow rectangular grooves 1001, wherein the left and right sides of the BLE tag 1000 refer to the sides adjacent to the back surface which will be attached to the bracket 1010. The bracket 1010 is composed of a left wing 1010a, a right wing 1010b and a back surface 1010c. The left wing 1010a of the bracket 1010 is in turn composed of a warped surface 1011, a rectangular straight surface 1012 and a warped surface 1013, and the right wing 1010b of the bracket 1010 is in turn composed of a warped surface 1014, a rectangular straight surface 1015 and a warped surface 1016. The rectangular grooves 1001 of the left and right sides of the BLE tag 1000 are respectively provided with recesses 1002, and correspondingly, the inner sides of the rectangular straight surfaces of each of the left wing 1010a and the right wing 1010b are respectively provided with protrusions 1017. It should be understood by those skilled in the art that the recesses on the BLE tag 1000 and the protrusions on the bracket 1010 can be formed in any matching manner. The rectangular straight surface 1012 and the rectangular straight surface 1015 respectively form a 90° angle with the back surface 1010c, the warped surface 1013 and the warped surface 1016 respectively form a 60°-70° angle with the back surface 1010c, and the warped surface 1011 and the warped surface 1014 respectively form a 110°-120° angle with the back surface 1010c. When installing, the tag 1000 is inserted into the bracket 1010 from front to back, so that the rectangular straight surface 1012 of the left wing 1010a and the rectangular straight surface 1015 of the right wing 1010b of the bracket 1010 are respectively closely attached to the rectangular grooves 1001 of the left and right sides of the BLE tag 1000, and further so that the protrusions on the left wing 1010a and the right wing 1010b are respectively embedded into the recesses of the left and right sides of the BLE tag 1000. The back surface of the bracket 1010 is provided with a plurality of holes for being fixed to the tray by a mounting member (e.g. a screw).

[0053] Figures 11a to 11b A schematic diagram of the BLE tag installation of the fifth embodiment of the present application is shown. Among them Figure 11a A bottom view of the BLE tag 1100 is shown, and Figure 11b A side view of the BLE tag 1100 installed on the tray 1110 is shown. As Figure 11a shown, the bottom surface of the BLE tag 1100 is provided with a plurality of fixing holes 1101, and the spacing between each fixing hole 1101 is designed according to the hole spacing of the tray 1110 (not shown in the figure), so that the bottom area of the BLE tag 1100 can be maximized, and the arrangement of the fixing holes 1101 thereof can be adapted to trays with various hole spacings.

[0054] Thus far, a wireless electronic tag and its installation have been described. By providing a wireless electronic tag having a sealed and heat-insulated structure, the circuit system of the tag can be protected from high temperature damage and high pressure steam from eroding the circuit board. In addition, an installation structure of the wireless electronic tag that can accommodate different pallets is also provided.

[0055] It should be understood that the foregoing description is only illustrative of the application thereof. For example, the above-described embodiments (and / or aspects thereof) can be used in combination with each other. Furthermore, numerous modifications can be made to adapt current specific conditions or materials to the teachings of each of the embodiments of the application without departing from the scope of the application. Although the dimensions and types of materials described herein are used to define the parameters of each of the embodiments of the application, each of the embodiments is not meant to be limiting, but rather exemplary embodiments. Many other embodiments will be apparent to those of ordinary skill in the art upon reading the above description. Thus, the scope of each of the embodiments of the application should be determined by reference to the appended claims and all equivalents of those claims as that term is determined under the patent laws.

Claims

1. A wireless electronic tag, characterized by The wireless electronic tag includes: circuitry; an inner case in which the circuitry is accommodated; a heat-insulating case in which the inner case is accommodated, the heat-insulating case including a case upper portion and a bottom cover which form a cavity for accommodating the inner case by being pressed against each other; an outer case provided outside the heat-insulating case, the outer case including an upper case and a lower case, the outer case having a seal ring groove to accommodate a seal ring formed therein, the upper case and the lower case being pressed against each other to fix the seal ring and form a seal. 2.The wireless electronic tag of claim 1, wherein the outer case has two seal ring grooves staggered with each other formed therein, and two seal rings are fixed in the two seal ring grooves. 3.The wireless electronic tag of claim 1, wherein the upper case and the lower case have a vertical mating surface therebetween, the vertical mating surface has two seal ring grooves vertically arranged therein, and two seal rings are fixed in the two seal ring grooves. 4.The wireless electronic tag of claim 1, wherein a joint between the case upper portion and the bottom cover of the heat-insulating case is staggered with a joint between the upper case and the lower case of the outer case.

5. A wireless electronic tag, characterized by The wireless identification electronic tag includes: an outer case including an upper case and a lower case, the outer case having a seal ring groove to accommodate a seal ring formed therein, the upper case and the lower case being pressed against each other to fix the seal ring and form a seal, an inner surface of the upper case including a plurality of supports; circuitry fixed to the plurality of supports of the outer case; a heat-insulating medium filled in a cavity of the outer case in which the circuitry is installed. 6.The wireless electronic tag of claim 5, wherein the heat-insulating medium is filled in the cavity of the outer case in a liquid state, and is solidified to completely wrap the circuitry. 7.The wireless electronic tag of claim 6, wherein the circuitry includes a PCB fixed to the plurality of supports. 8.An object to be tracked installed with the wireless electronic tag of any one of claims 1 to 7. 9.The object to be tracked of claim 8, wherein the wireless electronic tag is installed to the object to be tracked by being installed to a bracket fixed to the object to be tracked.

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