CN213876739U - Wireless induction device suitable for sudden temperature change - Google Patents
Wireless induction device suitable for sudden temperature change Download PDFInfo
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- CN213876739U CN213876739U CN202022262713.9U CN202022262713U CN213876739U CN 213876739 U CN213876739 U CN 213876739U CN 202022262713 U CN202022262713 U CN 202022262713U CN 213876739 U CN213876739 U CN 213876739U
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Abstract
The utility model provides a wireless induction system suitable for temperature shock, include: an insulator forming a first channel group and a second channel group; the first metal lead is inserted into the first opening and is arranged in the first channel group; the second metal guide is inserted into the second opening and is arranged in the second channel group; the first annular electrode is sleeved on the outer surface of the insulator and is adjacent to the third opening; the second annular electrode is sleeved on the outer surface of the insulator and is adjacent to the fourth opening; the radio frequency reader is connected with the first metal wire and the second metal wire; the radio frequency reader forms an induction electromagnetic field through at least one of the first annular electrode and the second annular electrode to act on the electronic tag, and then obtains the content of the electronic tag. The utility model is suitable for an environment of temperature abrupt change, mobile device can not take place the degradation damage between the ambient temperature abrupt change, still can normally read electronic tags information, improves the efficiency and the exactness of reading data.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to wireless induction system suitable for temperature shock.
Background
Conventionally, biological tissues (such as stem cells, blood, etc.) of a human body are stored in test tubes, and in order to maintain the integrity and activity of the biological tissues, the biological tissues need to be stored in storage tanks in a low temperature environment or a deep low temperature environment such as a liquid nitrogen storage tank.
In order to manage the biological samples in the liquid nitrogen storage tank, a radio frequency tag (or electronic tag) is used for management.
The user uses the reader and its long antenna to read the wireless radio frequency label of the liquid nitrogen storage tank. However, since the liquid nitrogen storage tank has a depth, the long antenna is subject to a severe temperature change during the process of being inserted into and pulled out from the liquid nitrogen storage tank, so that the long antenna goes from a normal temperature to a low temperature or from the low temperature to the normal temperature, and the long antenna is easily damaged during the storage process, and the damaged long antenna generates electromagnetic wave information attenuation and interference, further causing the loss of information such as being unable to be read normally.
In the conventional antenna, due to a rapid temperature change, for example, from a normal temperature (for example, a temperature range of 20 to 80 ℃) to a low temperature (for example, a temperature range of 0 to-150 ℃), the conventional antenna is prone to low-temperature embrittlement and temperature-abrupt temperature-change stress fracture, and the like, so that the electromagnetic wave characteristics of the antenna are changed, and further, the reading efficiency is deteriorated, and even a reading error or a reading failure is caused.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
Therefore, an object of the present invention is to provide a wireless sensing device suitable for sudden temperature change.
In order to achieve the above object, an embodiment of the present invention provides a wireless sensing device suitable for temperature shock for reading an electronic tag located in a low temperature environment, including: an insulator forming a first channel group and a second channel group extending in a first direction and a second direction, respectively, such that the first channel group forms a first opening and a third opening at an edge of the insulator, and the second channel group forms a second opening and a fourth opening at an edge of the insulator, wherein the first direction and the second direction are different by a predetermined angle, the first channel group and the second channel group being not connected to each other; the first metal lead is inserted into the first opening and arranged in the first channel group; the second metal lead is inserted into the second opening in a guiding mode and is arranged in the second channel group; the first annular electrode is sleeved on the outer surface of the insulator and is adjacent to the third opening, and the first annular electrode is electrically connected with the first metal lead through the third opening; the second annular electrode is sleeved on the outer surface of the insulator and is adjacent to the fourth opening, the second annular electrode is electrically connected with the second metal lead through the fourth opening, and a preset gap is reserved between the first annular electrode and the second annular electrode; a radio frequency reader connected to the first metal wire and the second metal wire; the radio frequency reader forms an induction electromagnetic field through at least one of the first annular electrode and the second annular electrode to act on the electronic tag, and then obtains the content of the electronic tag.
Further, the insulator is made of temperature-resistant resin, silica gel, polypropylene or polyolefin thermoplastic elastomer.
Further, the insulator is a cylindrical solid body, and the cross section of the insulator is circular, square, rectangular or oval.
Further, the lengths of the first channel group and the second channel group in the first direction are not more than the length of the insulator.
Further, the difference between the first direction and the second direction is within a predetermined angle range from 0 degree to 120 degrees.
Further, the difference between the first direction and the second direction is a preset angle of 90 degrees.
Further, the length of the preset gap is 1/2 wavelength, 1/4 wavelength or 1/8 wavelength of the radio frequency electromagnetic wave.
Further, the wireless sensing device for sudden temperature change comprises: and the connecting lead is arranged between the first metal lead and the first annular electrode, and between the second metal lead and the second annular electrode.
Further, the wireless sensing device for sudden temperature change comprises: and the filling material is used for filling the first channel group and the second channel group.
Further, the filler material has conductive properties.
According to the utility model discloses be applicable to the wireless induction system of temperature shock, this wireless induction system is applicable to the environment of temperature shock, and the mobile device can not take place the deterioration damage between ambient temperature shock, still can normally read electronic tags information. The utility model discloses can use in the liquid nitrogen container of storing biological sample or biomaterial storage for the radio frequency reader can effectively read the electronic tags who is located the biological sample or biomaterial of liquid nitrogen container through combining the anti temperature sudden change antenna, avoids traditional antenna to take place low temperature embrittlement and temperature sudden change stress fracture scheduling problem very easily, improves the efficiency and the rate of accuracy of reading data.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a device suitable for a wireless temperature shock sensing device according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of the antenna of FIG. 1 with a temperature shock resistant antenna disposed in a liquid nitrogen storage tank;
fig. 3 is a schematic view of a device suitable for a wireless temperature shock sensing device according to a second embodiment of the present invention.
Reference numerals:
2-an electronic tag; 4-a container; 6-liquid nitrogen storage tank; 8-biological tissue; 10. 10' -suitable for use in a wireless temperature shock sensing device;
12-an insulator;
122-a first channel group; 1222-a first opening; 1224 — third opening; 124-a second channel group; 1242-second opening; 1244-fourth opening;
14-a first metal wire; 16-a second metal wire; 18-a first ring electrode; 20-a second ring electrode;
22-a radio frequency reader; 24-connecting wires; 26-a filler material; d-clearance.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the wireless sensing device 10 for sudden temperature change according to the embodiment of the present invention can read the electronic tag 2 located in a low temperature (or deep low temperature) environment. Referring to fig. 2, the container 4 with the electronic tag 2 attached thereto is stored in a liquid nitrogen storage tank 6. Wherein the liquid nitrogen (not shown) of the liquid nitrogen storage tank 6 provides a cryogenic (or cryogenic) environment for maintaining the biological tissue 8 stored within the container 4.
In an embodiment of the present invention, the electronic tag 2 provides a plurality of items of data of the biological sample. For example: biological sample container type, biological sample container volume, biological sample container number, biological sample container type, subject identity, biological sample type, time of sampling, location of sampling, date of sampling, subject identity, etc. Utilize the utility model discloses a temperature sudden change wireless sensing device 10 can read electronic tags 2's data.
As shown in fig. 1, the wireless sensor device 10 for sudden temperature change of the present invention includes: an insulator 12, a first metal lead 14, a second metal lead 16, a first ring electrode 18, a second ring electrode 20, and a radio frequency reader 22.
Specifically, the insulator 12 forms a first channel group 122 and a second channel group 124. In the embodiment of the present invention, the insulator 12 is illustrated as a cylindrical solid body, and the cross-sectional shape (i.e., X-Y cross section) thereof is rectangular.
It should be noted that the shape of the insulator 12 is not limited to the above-mentioned column shape, and the cross-sectional shape may be other shapes such as a circle, a square, or an ellipse, which will not be described herein again.
In addition, the material of the insulator 12 may be temperature resistant resin, silicone, Polypropylene (Polypropylene), or polyolefin Thermoplastic Elastomer (thermopastic Elastomer).
The first channel group 122 and the second channel group 124 extend in a first direction (illustrated by the X-axis) and a second direction (illustrated by the Y-axis), respectively, such that the first channel group 122 forms a first opening 1222 and a third opening 1224 at the edge of the insulator 12 (i.e., the top edge end or the side edge end of the insulator 12), and the second channel group 124 forms a second opening 1242 and a fourth opening 1244 at the edge of the insulator 12 (i.e., the top edge end or the side edge end of the insulator 12).
In an embodiment of the present invention, the range of the predetermined angle between the first direction and the second direction is between 0 degree and 120 degrees, or other angles.
Preferably, in the embodiment of the present invention, the first direction and the second direction are illustrated by an angle different by 90 degrees. It is noted that the first set of channels 122 and the second set of channels 124 are not connected (or connected) to each other.
In the present embodiment, the lengths of the first channel group 122 and the second channel group 124 in the X direction are equal to the length of the insulator 12.
It should be noted that the lengths of the first channel group 122 and the second channel group 124 in the X direction are only for illustrative purposes, and the lengths of the first channel group 122 and the second channel group 124 in the X direction may also be shorter (or smaller) than the length of the insulator 12, or even in other embodiments, the lengths of the first channel group 122 and the second channel group 124 in the X direction may also be different. The setting is performed as required, and is not described in detail herein.
The first metal wire 14 is inserted into the first opening 122 and disposed in the first channel group 122. The second metal wire 16 is inserted into the second opening 1242 and disposed in the second via group 124.
The first ring electrode 18 is disposed on the outer surface of the insulator 12 and is electrically connected to the first metal lead 14 through the third opening 1224, adjacent to the third opening 1224 and the first ring electrode 18. It should be noted that the aforementioned sleeving result can be achieved by the process technologies such as sleeving, fastening, cladding, attaching, etc., as long as the first ring electrode 18 can be sleeved on the outer surface of the insulator 12, which belongs to the protection scope of the sleeving of the present invention.
The second ring electrode 20 is disposed on the outer surface of the insulator 12 and is electrically connected to the second metal wire 16 through the fourth opening 1244 adjacent to the fourth opening 1244 and the second ring electrode 20. It should be noted that the aforementioned sleeving result can be achieved by the process technologies such as sleeving, fastening, cladding, attaching, etc., as long as the second ring electrode 20 can be sleeved on the outer surface of the insulator 12, which is within the protection scope of the present invention.
In an embodiment of the present invention, the first ring electrode 18 and the second ring electrode 20 are separated from each other by a predetermined gap d, for example, the predetermined gap d may have a length of 1/2 wavelength, 1/4 wavelength, 1/8 wavelength, or the like.
The radio frequency reader 22 is connected to both the first metal wire 14 and the second metal wire 16.
The radio frequency reader 22 is connected to the first ring electrode 18 through the first metal wire 14 to form an induced electromagnetic field (not shown) through the first ring electrode 18 to act on the electronic tag 2 to obtain the content of the electronic tag 2, and similarly, the radio frequency reader 22 is connected to the second ring electrode 20 through the second metal wire 16 to form an induced electromagnetic field (not shown) through the second ring electrode 20 to act on the electronic tag 2 to obtain the content of the electronic tag 2.
Referring to fig. 3, the present invention provides a schematic diagram of a wireless sensing device for sudden temperature change according to a second embodiment. In fig. 3, the wireless sensing device 10' for temperature shock includes a connection wire 24 and a filling material 26 in addition to the insulator 12, the first metal wire 14, the second metal wire 16, the first ring electrode 18, the second ring electrode 20 and the rf reader 22 of the first embodiment.
It should be noted that the descriptions of the insulator 12, the first metal wire 14, the second metal wire 16, the first ring electrode 18, the second ring electrode 20, and the rf reader 22 are as described above and are not repeated herein.
A bonding wire 24 is disposed between the first metal wire 14 and the first ring electrode 18 such that the first metal wire 14 is electrically connected to the first ring electrode 18, and a bonding wire 24 is disposed between the second metal wire 16 and the second ring electrode 20 such that the second metal wire 16 is electrically connected to the second ring electrode 20.
The filling material 26 is filled in the first channel group 122 and the second channel group 124. The filling material 26 has conductive and non-conductive properties. In an example of conductive properties, the filler material 26 may be a metal such as tin or silver. The filling material 26 can fix the first metal wire 14, the second metal wire 16, and the connecting wire 24 to the first channel group 122 and the second channel group 124, and the filling material 26 having a conductive property can further increase the conductivity between the ring electrode and the metal wire.
According to the utility model discloses be applicable to the wireless induction system of temperature shock, this wireless induction system is applicable to the environment of temperature shock, and the mobile device can not take place the deterioration damage between ambient temperature shock, still can normally read electronic tags information. The utility model discloses can use in the liquid nitrogen container of storing biological sample or biomaterial storage for the radio frequency reader can effectively read the electronic tags who is located the biological sample or biomaterial of liquid nitrogen container through combining the anti temperature sudden change antenna, avoids traditional antenna to take place low temperature embrittlement and temperature sudden change stress fracture scheduling problem very easily, improves the efficiency and the rate of accuracy of reading data.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A wireless sensing device for sudden temperature change, which is used for reading an electronic tag located in a low temperature environment, comprising:
an insulator forming a first channel group and a second channel group extending in a first direction and a second direction, respectively, such that the first channel group forms a first opening and a third opening at an edge of the insulator, and the second channel group forms a second opening and a fourth opening at an edge of the insulator, wherein the first direction and the second direction are different by a predetermined angle, the first channel group and the second channel group being not connected to each other;
the first metal lead is inserted into the first opening and arranged in the first channel group;
the second metal lead is inserted into the second opening in a guiding mode and is arranged in the second channel group;
the first annular electrode is sleeved on the outer surface of the insulator and is adjacent to the third opening, and the first annular electrode is electrically connected with the first metal lead through the third opening;
the second annular electrode is sleeved on the outer surface of the insulator and is adjacent to the fourth opening, the second annular electrode is electrically connected with the second metal lead through the fourth opening, and a preset gap is reserved between the first annular electrode and the second annular electrode; and
a radio frequency reader connected to the first metal wire and the second metal wire;
the radio frequency reader forms an induction electromagnetic field through at least one of the first annular electrode and the second annular electrode to act on the electronic tag, and then obtains the content of the electronic tag.
2. The wireless sensor device for sudden temperature change as claimed in claim 1, wherein the insulator is made of temperature-resistant resin, silicone, polypropylene or polyolefin thermoplastic elastomer.
3. The wireless sensor for temperature shock of claim 2, wherein the insulator is a cylindrical solid body with a cross-sectional shape of a circle, square, rectangle or ellipse.
4. The wireless sensing device for temperature shock according to claim 1, wherein the lengths of the first set of channels and the second set of channels in the first direction are not greater than the length of the insulator.
5. The wireless sensing device for sudden temperature change of claim 1, wherein the difference between the first direction and the second direction is within a predetermined angle range from 0 degree to 120 degrees.
6. The wireless sensing device for sudden temperature change of claim 5, wherein the difference between the first direction and the second direction is 90 degrees.
7. The wireless sensing device for sudden temperature change of claim 1, wherein the predetermined gap has a length of 1/2, 1/4 or 1/8 wavelengths.
8. The wireless sensing device for sudden temperature change of claim 1, further comprising: and the connecting lead is arranged between the first metal lead and the first annular electrode, and between the second metal lead and the second annular electrode.
9. The wireless sensing device for sudden temperature change of claim 1, further comprising: and the filling material is used for filling the first channel group and the second channel group.
10. The wireless sensing device for sudden temperature change as claimed in claim 9, wherein the filling material has conductive properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262713.9U CN213876739U (en) | 2020-10-13 | 2020-10-13 | Wireless induction device suitable for sudden temperature change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022262713.9U CN213876739U (en) | 2020-10-13 | 2020-10-13 | Wireless induction device suitable for sudden temperature change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213876739U true CN213876739U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022262713.9U Active CN213876739U (en) | 2020-10-13 | 2020-10-13 | Wireless induction device suitable for sudden temperature change |
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| CN (1) | CN213876739U (en) |
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