CN215178245U - Cable sleeve wireless temperature measuring device - Google Patents
Cable sleeve wireless temperature measuring device Download PDFInfo
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- CN215178245U CN215178245U CN202120924980.XU CN202120924980U CN215178245U CN 215178245 U CN215178245 U CN 215178245U CN 202120924980 U CN202120924980 U CN 202120924980U CN 215178245 U CN215178245 U CN 215178245U
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Abstract
The utility model relates to a wireless temperature measuring device of a cable sleeve, which comprises a cable sleeve component, wherein the cable sleeve component comprises an insulating sleeve and a metal insert; the temperature sampling module comprises a sampling circuit board and an induction electricity taking board which are embedded in the insulating sleeve; the sampling circuit board is provided with a temperature sensor, a wireless transmitting module and a heat conducting piece, and the temperature sensor is abutted against the metal insert through the heat conducting piece; the induction electricity taking plate is arranged at a position close to the metal insert and comprises two first electricity taking layers and two second electricity taking layers which are respectively electrically connected with two poles of the sampling circuit board, and the two first electricity taking layers and the two second electricity taking layers are arranged in a staggered and laminated mode. This kind of get crisscross mode of arranging of electric layer can increase the area that the electric field got the electric polar plate in effectual space, obtains bigger electric energy and is used for supporting temperature sampling and the wireless data transmission that drives the higher frequency of temperature measurement piece, has solved the not enough problem of current cubical switchboard cable sleeve temperature measuring device power supply.
Description
Technical Field
The utility model belongs to the technical field of the cubical switchboard monitoring, specificly relate to a temperature measuring device that cable sleeve is wireless.
Background
Due to the limitation of installation space and assembly process, the temperature measurement of the cable sleeve of the switch cabinet is difficult to realize in practical application by utilizing the conventional current induction and electric field induction modes to supply power to the temperature sampling circuit, the main reason is that the power supply capacity is insufficient, the temperature sampling with higher frequency cannot be realized, the electric field distribution state of the sleeve can be damaged, and the partial discharge overrun is caused.
Therefore, a temperature measuring device with strong power supply capability and small electric field influence is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a temperature measuring device that cable sleeve is wireless to solve the not enough problem of current cubical switchboard cable sleeve temperature measuring device power supply.
The specific scheme is as follows:
a wireless temperature measuring device for a cable sleeve comprises a cable sleeve part, wherein the cable sleeve part comprises an insulating sleeve and a metal insert embedded in the insulating sleeve;
the temperature sampling module comprises a sampling circuit board and an induction electricity taking board which are embedded in the insulating sleeve;
the sampling circuit board is provided with a temperature sensor, a wireless transmitting module and a heat conducting piece, and the temperature sensor is abutted against the metal insert through the heat conducting piece;
the induction electricity taking plate is arranged at a position close to the metal insert and comprises two first electricity taking layers and two second electricity taking layers which are respectively electrically connected with two poles of the sampling circuit board, and the two first electricity taking layers and the two second electricity taking layers are arranged in a staggered and laminated mode.
The utility model discloses a further technical scheme does: the cable sleeve part is a cable plug, and the metal insert is a plug bolt with one exposed end;
the sampling short circuit plate is annular and is sleeved on the plug bolt; the induction electricity taking plate is arranged at the tail end of the plug bolt.
The utility model discloses a further technical scheme does: the temperature sensor is provided with a plurality of temperature sensors, and the circumferences of the temperature sensors are uniformly distributed on the outer side of the plug bolt.
The utility model discloses a further technical scheme does: the induction electricity-taking plate is a circular plate and is vertically arranged at the tail end position of the plug bolt.
The utility model discloses a further technical scheme does: the heat conducting piece is an elastic copper sheet, one end of the elastic copper sheet is inserted on the sampling circuit board, and the other end of the elastic copper sheet extends and elastically abuts against the metal insert.
The utility model discloses a further technical scheme does: the fixed end of the elastic copper sheet is U-shaped and is reversely buckled on the sampling circuit board; the temperature sensor is arranged in the U-shaped opening at the fixed end of the elastic copper sheet and is abutted against the elastic copper sheet.
The utility model discloses a further technical scheme does: the induction electricity taking plate has four layers, and each layer is arranged on an induction coil;
a first lead passing through or bypassing the second layer is electrically connected between the induction coils of the first layer and the third layer of the induction electricity taking plate to form two first electricity taking layers;
and a second lead wire passing through or bypassing the third layer is electrically connected between the induction coils of the second layer and the fourth layer of the induction electricity taking plate to form two second electricity taking layers.
Has the advantages that:
the utility model discloses a cable sleeve wireless temperature measuring device, which comprises a cable sleeve part, wherein the cable sleeve part comprises an insulating sleeve and a metal insert embedded in the insulating sleeve; the temperature sampling module comprises a sampling circuit board and an induction electricity taking board which are embedded in the insulating sleeve; the sampling circuit board is provided with a temperature sensor, a wireless transmitting module and a heat conducting piece, and the temperature sensor is abutted against the metal insert through the heat conducting piece; the induction electricity taking plate is arranged at a position close to the metal insert and comprises two first electricity taking layers and two second electricity taking layers which are respectively electrically connected with two poles of the sampling circuit board, and the two first electricity taking layers and the two second electricity taking layers are arranged in a staggered and laminated mode. This kind of get crisscross mode of arranging of electric layer can increase the area that the electric field got the electric polar plate in effectual space, obtains bigger electric energy and is used for supporting temperature sampling and the wireless data transmission that drives the higher frequency of temperature measurement piece, has solved the not enough problem of current cubical switchboard cable sleeve temperature measuring device power supply.
Drawings
Fig. 1 shows a schematic structural view of the cable sleeve wireless temperature measuring device of the present invention;
FIG. 2 shows a cross-sectional view of FIG. 1;
FIG. 3 shows the schematic structure of FIG. 1 with the insulating sleeve removed;
fig. 4 shows a cross-sectional view of fig. 3.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1, 2 and 3, the embodiment provides a wireless temperature measuring device for a cable sleeve, which includes a cable sleeve member including an insulating sleeve 10 and a metal insert embedded therein; in this embodiment, the cable sleeve member is preferably a cable plug, and the metal insert is a plug bolt 20 with one exposed end: the metal plug is selected, the component structure is small, the production and processing cost is low, the replacement and the maintenance on the switch cabinet are convenient, and the electric connection can be realized through the plug bolt 20.
The insulating sleeve 10 is also embedded with a temperature sampling module 30, and the temperature sampling module 30 comprises a sampling circuit board 31 and an induction electricity-taking board 32.
In this embodiment, the sampling short circuit plate 31 is ring-shaped and is sleeved on the plug bolt 20; the sampling circuit board 31 is provided with a temperature sensor (not shown), a wireless transmitting module 311 and a heat conducting member, wherein the temperature sensor is arranged below the heat conducting member and abuts against the outer side surface of the plug bolt 20 through the heat conducting member.
In this embodiment, preferably, the heat conducting member is an elastic copper sheet 312, one end of the elastic copper sheet 312 is inserted into the sampling circuit board 31 to form a fixed end, and the other end extends toward the plug bolt 20 and elastically abuts against the plug bolt 20, so as to realize the conduction of the temperature to the temperature sensor, and reduce the temperature to a certain extent, thereby avoiding the failure of the temperature sensor due to an excessively high temperature.
The fixed end of the elastic copper sheet 312 is U-shaped and is reversely buckled on the sampling circuit board 31; and the temperature sensor is fixed on the sampling circuit board 31, arranged in the U-shaped opening at the fixed end of the elastic copper sheet 312 and abutted against the elastic copper sheet 312, so that convenient installation is realized, the copper sheet is stably contacted, and the temperature monitoring precision is high.
Preferably, there are three temperature sensors, and the three temperature sensors are uniformly distributed on the outer side of the plug bolt 20 in the circumference; meanwhile, the number of the elastic copper sheets 312 is correspondingly three, so that sampling and temperature measurement are performed on multiple points on the circumference of the plug bolt 20, the monitoring precision is higher, and the equipment stability is higher.
The induction current-collecting plate 32 is disposed at a position close to the plug bolt 20, and specifically, as shown in fig. 3 and 4, the induction current-collecting plate 32 is disposed at the end of the plug bolt, and the induction current-collecting plate 32 is a circular plate and is disposed at the end of the plug bolt 20 perpendicularly, so that the influence of further reduction on the electric field is small, and further, the electric field distribution state without influencing the sleeve plug is ensured.
The induction electricity-taking plate 32 has four layers from top to bottom, and includes two first electricity-taking layers and two second electricity-taking layers electrically connected to two electrodes of the sampling circuit board 31, and the two first electricity-taking layers and the two second electricity-taking layers are stacked in a staggered manner.
The induction electricity-taking plate 32 has four layers, each layer is provided with an induction coil for induction electricity-taking; the specific mode of staggered and stacked arrangement is as follows: a first lead passing through or bypassing the second layer is electrically connected between the induction coils of the first layer and the third layer of the induction electricity taking plate to form two first electricity taking layers; and a second lead wire passing through or bypassing the third layer is electrically connected between the induction coils of the second layer and the fourth layer of the induction electricity taking plate to form two second electricity taking layers. Of course, each induction coil can also be separately and electrically connected to the sampling circuit board 31 for power supply.
The PCB board of board 32 is got in the response on 4 layers is circular, 4 layers down altogether from last, first layer and third layer link to each other and are connected to the first utmost point of circuit board power through the via hole, second floor and fourth layer link to each other and are connected to the another utmost point of circuit board power through the via hole, this kind of design can increase the area that the electric field got the electric pole board in effectual space, obtain bigger electric energy and be used for supporting temperature sampling and the wireless data transmission of drive temperature measurement piece higher frequency, the sheathed tube electric field distribution state has been avoided destroying simultaneously, cause the problem that partial discharge transfinites.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A wireless temperature measuring device for a cable sleeve comprises a cable sleeve part, wherein the cable sleeve part comprises an insulating sleeve and a metal insert embedded in the insulating sleeve; the method is characterized in that:
the temperature sampling module comprises a sampling circuit board and an induction electricity taking board which are embedded in the insulating sleeve;
the sampling circuit board is provided with a temperature sensor, a wireless transmitting module and a heat conducting piece, and the temperature sensor is abutted against the metal insert through the heat conducting piece;
the induction electricity taking plate is arranged at a position close to the metal insert and comprises two first electricity taking layers and two second electricity taking layers which are respectively electrically connected with two poles of the sampling circuit board, and the two first electricity taking layers and the two second electricity taking layers are arranged in a staggered and laminated mode.
2. The wireless cable sleeve temperature measuring device of claim 1, wherein: the cable sleeve part is a cable plug, and the metal insert is a plug bolt with one exposed end;
the sampling short circuit plate is annular and is sleeved on the plug bolt; the induction electricity taking plate is arranged at the tail end of the plug bolt.
3. The wireless cable sleeve temperature measuring device of claim 2, wherein: the temperature sensor is provided with a plurality of temperature sensors, and the circumferences of the temperature sensors are uniformly distributed on the outer side of the plug bolt.
4. The wireless cable sleeve temperature measuring device of claim 2, wherein: the induction electricity-taking plate is a circular plate and is vertically arranged at the tail end position of the plug bolt.
5. The wireless cable sleeve temperature measuring device of claim 1, wherein: the heat conducting piece is an elastic copper sheet, one end of the elastic copper sheet is inserted on the sampling circuit board, and the other end of the elastic copper sheet extends and elastically abuts against the metal insert.
6. The wireless cable sleeve temperature measuring device of claim 5, wherein: the fixed end of the elastic copper sheet is U-shaped and is reversely buckled on the sampling circuit board; the temperature sensor is arranged in the U-shaped opening at the fixed end of the elastic copper sheet and is abutted against the elastic copper sheet.
7. The wireless cable sleeve temperature measuring device of claim 1, wherein: the induction electricity taking plate has four layers, and each layer is provided with an induction coil;
a first lead passing through or bypassing the second layer is electrically connected between the induction coils of the first layer and the third layer of the induction electricity taking plate to form two first electricity taking layers;
and a second lead wire passing through or bypassing the third layer is electrically connected between the induction coils of the second layer and the fourth layer of the induction electricity taking plate to form two second electricity taking layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120924980.XU CN215178245U (en) | 2021-04-30 | 2021-04-30 | Cable sleeve wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120924980.XU CN215178245U (en) | 2021-04-30 | 2021-04-30 | Cable sleeve wireless temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215178245U true CN215178245U (en) | 2021-12-14 |
Family
ID=79365577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120924980.XU Active CN215178245U (en) | 2021-04-30 | 2021-04-30 | Cable sleeve wireless temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215178245U (en) |
-
2021
- 2021-04-30 CN CN202120924980.XU patent/CN215178245U/en active Active
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