CN209894350U - Line gram with wireless passive temperature sensing device - Google Patents
Line gram with wireless passive temperature sensing device Download PDFInfo
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- CN209894350U CN209894350U CN201920637819.7U CN201920637819U CN209894350U CN 209894350 U CN209894350 U CN 209894350U CN 201920637819 U CN201920637819 U CN 201920637819U CN 209894350 U CN209894350 U CN 209894350U
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Abstract
The utility model provides a make gram with wireless passive temperature sensing device, including making gram body and installing the joint cover on making gram body, install temperature sensor on the joint cover, temperature sensor includes metal casing, RFID tag antenna and RFID temperature chip, RFID tag antenna installs in metal casing, RFID temperature chip installs on metal casing and runs through the RFID tag antenna setting, the inside installation cavity that is equipped with of RFID tag antenna, install the metal inner circle in the installation cavity, one side that the metal inner circle is close to RFID tag antenna is installed a plurality of foam-rubber cushions, the foam-rubber cushion is arranged with RFID tag antenna contact, the inside sponge filling layer that has of metal inner circle, the inside metal pole that still installs of metal inner circle, be connected with the backup pad between metal pole and the RFID tag antenna. The utility model provides high identification distance between label and the external reader, the stability of detection is good, and the detection data is reliable.
Description
Technical Field
The utility model relates to a power equipment's maintenance and operating means's technical field especially relates to a make gram with wireless passive temperature sensing device.
Background
The fuse is a fuse between the 10/35kv high voltage of the distribution substation room and the switchboard or the transformer, and is also called a drop-out fuse or a drop-out fuse. Three fuse wires are generally installed, and form an angle of 45 degrees with the ground when the fuse wires are switched on, once the fuse wires inside the fuse wires are fused, the fuse wires are in an inverted hanging state and can be seen from a long distance so as to be found in overhauling. Make gram structure complicated, there are metal parts in many places, and the space between the part is narrow and small, conventional temperature measuring device all can't successfully install, and installation back poor stability, need monitor the temperature that makes gram when in-service use, conventional temperature measuring device installs on making gram when temperature measurement, because the installation is poor, and conventional temperature measuring device signal transmission is inefficient, the data accuracy that has led to temperature measurement is poor, demand when can't satisfying the in-service use, so need to develop one kind and have wireless passive temperature sensing device make gram solve the problem among the prior art urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make gram with wireless passive temperature sensing device has improved the discernment distance between label and the external reader, and the stability of detection is good, and the detection data is reliable.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a make gram with wireless passive temperature sensing device, is including making gram body and installing the joint cover on making gram body, install temperature sensor on the joint cover, temperature sensor includes metal casing, RFID tag antenna and RFID temperature chip, RFID tag antenna installs in metal casing, RFID temperature chip installs on metal casing and runs through the setting of RFID tag antenna, the inside installation cavity that is equipped with of RFID tag antenna, install the metal inner circle in the installation cavity, one side that the metal inner circle is close to RFID tag antenna installs a plurality of foam-rubber cushions, the foam-rubber cushion is arranged with RFID tag antenna contact, the inside sponge filling layer that has of metal inner circle, the inside metal pole that still installs of metal inner circle, be connected with the backup pad between metal pole and the RFID tag antenna.
Further, a mounting groove is formed in the metal shell, the RFID temperature measuring chip is mounted in the mounting groove, a fixing plate is mounted in the mounting groove, a grid is mounted on the fixing plate, a heat-resistant plastic sleeve is arranged on one side, close to the inner wall of the mounting groove, of the grid, the RFID temperature measuring chip is mounted in the heat-resistant plastic sleeve, and a connecting plate is arranged between the metal inner ring and the fixing plate.
Furthermore, a plurality of elastic rubber limiting bulges are arranged on the inner wall of the mounting groove.
Furthermore, a plurality of elastic snap rings are installed on one side of the metal shell close to the RFID tag antenna, and one side of the RFID tag antenna close to the metal shell is provided with a limiting groove matched with the elastic snap fasteners in a clamping mode.
Furthermore, a fixing support penetrates through the position, corresponding to the mounting groove, on the RFID tag antenna, and an annular reflecting plate is mounted in the RFID tag antenna by the fixing support.
Furthermore, a plurality of third pistons are installed on one side, close to the RFID tag antenna, of the annular reflecting plate, a second piston shaft is installed on one side, far away from the annular reflecting plate, of the third pistons, a fourth piston is installed on one side, far away from the third pistons, of the second piston shaft, the fourth piston is installed on the RFID tag antenna, a second spring is arranged between the third piston and the fourth piston, and the second spring is sleeved on the periphery of the second piston shaft.
Furthermore, a first piston and a second piston are respectively installed on the inner wall of one side opposite to the inner wall of the annular reflecting plate, a first piston shaft is arranged between the first piston and the second piston, a first spring is arranged between the first piston and the second piston, and the first spring is sleeved on the periphery of the first piston shaft.
After the technical scheme is adopted, the utility model has the advantages of as follows:
1. install at metal casing through RFID temperature measurement chip to install the metal inner circle in the installation intracavity and realize carrying out multiple reflection to the signal that RFID label antenna launches, superpose with original signal, the discernment distance between label and the external reader has been improved, and at the inside sponge filling layer that fills of metal inner circle, can effectively improve the stability that RFID label antenna used, and establish the foam-rubber cushion between metal inner circle and RFID label antenna, further improve the stability that RFID label antenna used, the stability of RFID label antenna signal transmission has further been improved.
2. Through establishing the mounting groove on metal casing, realized the fixed of RFID temperature measurement chip by heat-resisting plastic sheath in the mounting groove, heat-resisting plastic sheath can make things convenient for the dismantlement and the installation of RFID temperature measurement chip to the grizzly on the fixed plate realizes the bearing to RFID temperature measurement chip, can guarantee the heat dissipation of RFID temperature measurement chip, and realizes the fixed of inside metal inner circle by the connecting plate on the fixed plate.
3. Through the spacing arch of a plurality of elastic rubber of installation at the mounting groove inner wall, realize the spacing fixed to RFID temperature measurement chip by the spacing arch of elastic rubber, the spacing arch of elastic rubber has avoided RFID temperature measurement chip and metal casing contact on the one hand, and on the other hand has also made things convenient for RFID temperature measurement chip's dismantlement and installation.
4. Through establish the snap ring in metal casing one side that is close to RFID tag antenna to locate the spacing recess of elasticity buckle joint complex in one side that RFID tag antenna is close to metal casing, realized on metal casing with RFID tag antenna joint by spacing recess and snap ring's joint cooperation, thereby made things convenient for the dismantlement and the installation of RFID tag antenna.
5. The fixing support is penetrated through the position, corresponding to the mounting groove, on the RFID tag antenna, the annular reflecting plate used for transmitting the RFID tag antenna signal is mounted on the fixing support, the annular reflecting plate can reflect the signal energy transmitted by the RFID tag antenna for multiple times and is superposed with the original signal, and the identification distance between the tag and an external reader is increased.
6. Through at annular reflecting plate one side installation third piston, second piston axle and fourth piston near RFID label antenna, the second piston axle is flexible in third piston and fourth piston to utilize the elasticity of second spring to realize the buffering, reflected signal's when having improved annular reflecting plate and using stability.
7. Through install first piston and second piston respectively on the relative one side inner wall in annular reflecting plate to be equipped with the first piston axle that can stretch out and draw back in first piston and second piston between first piston and second piston, and utilize the elasticity limit of first spring, it has certain scope to have realized the first piston axle and has stretched out and draw back, thereby realized flexible absorbing effect, the stability when effectively having improved annular reflecting plate and using, the stability to signal reflection when having improved annular reflecting plate and using.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a token with a wireless passive temperature sensing device according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a line card with a wireless passive temperature sensing device according to embodiment 1 of the present invention after a temperature sensor and a clamping sleeve are fixed;
fig. 3 is a cross-sectional view of a temperature sensor in a token with a wireless passive temperature sensing device according to embodiment 1 of the present invention;
fig. 4 is a cross-sectional view of a temperature sensor in a line card with a wireless passive temperature sensing device provided in embodiment 2 of the present invention
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a partially enlarged schematic view of a portion B in fig. 4.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.
Example 1
As shown in fig. 1-3, the utility model provides a token with wireless passive temperature sensing device, which comprises a token body 1 and a clamping sleeve 3 arranged on the token body 1, wherein a temperature sensor 2 is arranged on the clamping sleeve 3, the temperature sensor 2 comprises a metal shell 201, RFID tag antenna 202 and RFID temperature measurement chip 203, RFID tag antenna 202 installs in metal casing 201, RFID temperature measurement chip 203 installs on metal casing 201 and runs through RFID tag antenna 202 setting, the inside installation cavity 209 that is equipped with of RFID tag antenna 202, install metal inner circle 210 in the installation cavity 209, a plurality of foam-rubber cushions 208 are installed to one side that metal inner circle 210 is close to RFID tag antenna 202, foam-rubber cushions 208 and RFID tag antenna 202 contact arrangement, the inside packing of metal inner circle 210 has sponge filling layer 212, metal pole 211 is still installed to metal inner circle 210 inside, be connected with backup pad 213 between metal pole 211 and the RFID tag antenna 202. Install at metal casing 201 through RFID temperature measurement chip 203, and install metal inner circle 210 in installation cavity 209 and realize carrying out multiple reflection to the signal that RFID tag antenna 202 launches, superpose with original signal, the discernment distance between label and the external reader has been improved, and at the inside sponge filling layer 212 that fills of metal inner circle 210, can effectively improve the stability that RFID tag antenna 202 used, and establish foam-rubber cushion 208 between metal inner circle 210 and RFID tag antenna 202, further improve the stability that RFID tag antenna 202 used, the stability of RFID tag antenna 202 signal transmission has further been improved.
In this embodiment, the metal casing 201 is provided with a mounting groove 214, the RFID temperature measurement chip 203 is mounted in the mounting groove 214, the mounting groove 214 is provided with a fixing plate 204, the fixing plate 204 is provided with a grid 205, one side of the grid 205 close to the inner wall of the mounting groove 214 is provided with a heat-resistant plastic sleeve 207, the RFID temperature measurement chip 203 is mounted in the heat-resistant plastic sleeve 207, and a connecting plate 206 is arranged between the metal inner ring 210 and the fixing plate 204. Through establishing mounting groove 214 on metal casing 201, the fixing of RFID temperature measurement chip 203 has been realized by heat-resisting plastic sheath 207 in mounting groove 214, and heat-resisting plastic sheath 207 can make things convenient for the dismantlement and the installation of RFID temperature measurement chip 203 to the supporting to RFID temperature measurement chip 203 is realized to grid 205 on fixed plate 204, can guarantee the heat dissipation of RFID temperature measurement chip 203, and realize the fixed of inside metal inner circle 210 by connecting plate 206 on fixed plate 204.
Example 2
As shown in fig. 4 to 6, the present embodiment 2 is different from the embodiment 1 in that a plurality of elastic rubber stopper protrusions 215 are installed on the inner wall of the installation groove 214. Through the spacing arch 215 of a plurality of elastic rubber of installation in mounting groove 214 inner wall, realize the spacing fixed to RFID temperature measurement chip 203 by the spacing arch 215 of elastic rubber, the spacing arch 215 of elastic rubber has avoided RFID temperature measurement chip 203 and metal casing 201 contact on the one hand, and on the other hand has also made things convenient for the dismantlement and the installation of RFID temperature measurement chip 203.
In this embodiment 2, a plurality of elastic snap rings 227 are installed on one side of the metal housing 201 close to the RFID tag antenna 202, and a limiting groove 228 engaged with the elastic snap 227 is formed on one side of the RFID tag antenna 202 close to the metal housing 201. Through establish the snap ring 227 at metal casing 201 one side that is close to RFID tag antenna 202 to locate the spacing recess 228 of elasticity buckle 227 joint cooperation at RFID tag antenna 202 one side that is close to metal casing 201, realized on metal casing 201 with RFID tag antenna 202 joint by the joint cooperation of spacing recess 228 and snap ring 227, thereby made things convenient for the dismantlement and the installation of RFID tag antenna 202.
In this embodiment 2, a fixing bracket 219 penetrates the RFID tag antenna 202 at a position corresponding to the mounting groove 214, and the fixing bracket 219 mounts the annular reflection plate 216 in the RFID tag antenna 202. Through the position that corresponds with mounting groove 214 on RFID tag antenna 202 runs through fixed bolster 219 to install the annular reflecting plate 216 that is used for launching RFID tag antenna 202 signal on fixed bolster 219, annular reflecting plate 216 can realize carrying out multiple reflection to the signal energy of RFID tag antenna 202 transmission, superposes with original signal, has improved the recognition distance between label and the external reader.
In embodiment 2, a plurality of third pistons 226 are installed on one side of the annular reflection plate 216 close to the RFID tag antenna 202, a second piston shaft 224 is installed on one side of the third piston 226 far from the annular reflection plate 216, a fourth piston 223 is installed on one side of the second piston shaft 224 far from the third piston 226, the fourth piston 223 is installed on the RFID tag antenna 202, a second spring 225 is arranged between the third piston 226 and the fourth piston 223, and the second spring 225 is sleeved on the outer periphery of the second piston shaft 224. By installing the third piston 226, the second piston shaft 224 and the fourth piston 223 on the side of the annular reflection plate 216 close to the RFID tag antenna 202, the second piston shaft 224 extends and retracts inside the third piston 226 and the fourth piston 223, and the flexibility of the second spring 225 is utilized to achieve buffering, so that the stability of the reflected signal of the annular reflection plate 216 in use is improved.
In this embodiment 2, a first piston 218 and a second piston 222 are respectively mounted on the inner wall of the annular reflection plate 216 on the opposite side, a first piston shaft 221 is disposed between the first piston 218 and the second piston 222, a first spring 220 is disposed between the first piston 218 and the second piston 222, and the first spring 220 is sleeved on the outer periphery of the first piston shaft 221. The first piston 218 and the second piston 222 are respectively arranged on the inner wall of the opposite side in the annular reflecting plate 216, the first piston shaft 221 which can stretch in the first piston 218 and the second piston 222 is arranged between the first piston 218 and the second piston 222, and the elastic limit of the first spring 220 is utilized, so that the stretching of the first piston shaft 221 is realized within a certain range, the stretching and damping effects are realized, the stability of the annular reflecting plate 216 in use is effectively improved, and the stability of the annular reflecting plate 216 in use for signal reflection is improved.
In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.
Claims (7)
1. The utility model provides a make gram with wireless passive temperature sensing device, its characterized in that, is including making gram body and installing the joint cover on making gram body, install temperature sensor on the joint cover, temperature sensor includes metal casing, RFID tag antenna and RFID temperature chip, RFID tag antenna installs in metal casing, RFID temperature chip installs on metal casing and runs through the setting of RFID tag antenna, the inside installation cavity that is equipped with of RFID tag antenna, install the metal inner circle in the installation cavity, a plurality of foam-rubber cushions are installed to one side that the metal inner circle is close to RFID tag antenna, foam-rubber cushion and RFID tag antenna contact are arranged, the inside sponge filling that is filled of metal inner circle has the sponge filling layer, the inside metal pole that still installs of metal inner circle, be connected with the backup pad between metal pole and the RFID tag antenna.
2. The token with the wireless and passive temperature sensing device according to claim 1, wherein the metal shell is provided with a mounting groove, the RFID temperature measuring chip is mounted in the mounting groove, a fixing plate is mounted in the mounting groove, a grid is mounted on the fixing plate, a heat-resistant plastic sleeve is arranged on one side of the grid close to the inner wall of the mounting groove, the RFID temperature measuring chip is mounted in the heat-resistant plastic sleeve, and a connecting plate is arranged between the metal inner ring and the fixing plate.
3. The ream gram with the wireless passive temperature sensing device as claimed in claim 2, wherein a plurality of elastic rubber limiting bulges are arranged on the inner wall of the mounting groove.
4. The ream gram with the wireless passive temperature sensing device as claimed in claim 1, wherein a plurality of elastic snap rings are mounted on one side of the metal shell close to the RFID tag antenna, and a limiting groove matched with the elastic snap rings in a clamping manner is formed on one side of the RFID tag antenna close to the metal shell.
5. The token with the wireless passive temperature sensing device according to claim 2, wherein a fixing bracket penetrates through the position of the RFID tag antenna corresponding to the mounting groove, and an annular reflecting plate is mounted in the RFID tag antenna by the fixing bracket.
6. The ream gram with the wireless passive temperature sensing device as claimed in claim 5, wherein a plurality of third pistons are mounted on one side, close to the RFID tag antenna, of the annular reflection plate, a second piston shaft is mounted on one side, far away from the annular reflection plate, of the third pistons, a fourth piston is mounted on one side, far away from the third pistons, of the second piston shaft, the fourth piston is mounted on the RFID tag antenna, a second spring is arranged between the third pistons and the fourth pistons, and the second spring is sleeved on the periphery of the second piston shaft.
7. The ream gram with the wireless passive temperature sensing device as claimed in claim 5, wherein a first piston and a second piston are respectively mounted on the inner walls of the opposite sides in the annular reflection plate, a first piston shaft is arranged between the first piston and the second piston, a first spring is arranged between the first piston and the second piston, and the first spring is sleeved on the periphery of the first piston shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637819.7U CN209894350U (en) | 2019-05-07 | 2019-05-07 | Line gram with wireless passive temperature sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637819.7U CN209894350U (en) | 2019-05-07 | 2019-05-07 | Line gram with wireless passive temperature sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209894350U true CN209894350U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920637819.7U Active CN209894350U (en) | 2019-05-07 | 2019-05-07 | Line gram with wireless passive temperature sensing device |
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| Country | Link |
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| CN (1) | CN209894350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108372A (en) * | 2019-05-07 | 2019-08-09 | 杭州电力设备制造有限公司 | A kind of crane with wireless and passive temperature sensing device |
-
2019
- 2019-05-07 CN CN201920637819.7U patent/CN209894350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108372A (en) * | 2019-05-07 | 2019-08-09 | 杭州电力设备制造有限公司 | A kind of crane with wireless and passive temperature sensing device |
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