CN210571056U

CN210571056U - Watchband type wireless temperature measurement sensor based on CT power taking

Info

Publication number: CN210571056U
Application number: CN201921797674.3U
Authority: CN
Inventors: 余正斌
Original assignee: Fuzhou Bofeng Intelligent Electric Co ltd
Current assignee: Fuzhou Bofeng Intelligent Electric Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-05-19
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a watch strap type wireless temperature measurement sensor based on CT electricity taking, which relates to the technical field and comprises a shell, a binding band and a circuit board, wherein the binding band is provided with a mounting groove for mounting a CT electricity taking ring, the circuit board is provided with a temperature measurement sensor, a wireless communication module and a CT electricity taking power supply module, the shell comprises an upper shell and a lower shell, the upper shell is spliced on the lower shell, the inside of the lower shell is sequentially provided with a micro fan and a placing plate from bottom to top, the micro fan is arranged on the inside of the bottom of the lower shell, the placing plate is horizontally arranged in the lower shell, the circuit board is detachably connected on the placing plate, the side walls of the two sides of the lower shell which are not provided with the binding band are provided with vent holes, and the vent holes; the utility model has the characteristics of good reliability, good stability in use, convenient to use.

Description

Watchband type wireless temperature measurement sensor based on CT power taking

Technical Field

The utility model relates to a wireless temperature measurement sensor technical field, concretely relates to watchband formula wireless temperature measurement sensor based on CT gets electricity.

Background

In an electric power system, temperature is always a very important parameter, a plurality of high-voltage electric devices and electric contacts among the high-voltage electric devices are the weakest links in power transmission, and the essential problem is that the electric contacts generate heat; along with the prolonging of the temperature rise time, the oxidation degree of the temperature overrun part is increased due to heating, and further serious accidents such as bus and contact burning, contact damage disc and power failure can be caused; especially, because the switch cabinet is internally exposed with high voltage, the space is closed to be narrow and small, and manual inspection temperature measurement cannot be carried out, the real-time monitoring of the temperature rise of the high-voltage electrical contact by adopting a wireless temperature sensing technology is particularly important.

At present, a utility model with the publication number of CN208721263U issued by chinese patent discloses a watchband type temperature measuring device based on CT power taking, which is advantageous for the temperature measuring device to be installed in a narrow space by arranging an integrated binding band on the casing, and adopts a metal casing with good thermal conductivity, so as to reduce the influence of environmental factors on the measured data, and the CT power taking device is adopted to replace the battery, thereby avoiding the trouble of power supply replacement, but the watchband type temperature measuring device based on CT power taking still has a certain problem in practical use, because the casing adopts a closed structure design, the heat emitted by the circuit board inside the casing is difficult to be discharged in time, when the heat is accumulated to a certain degree inside the casing, the temperature of the circuit board may be too high, thereby affecting the normal operation of the temperature measuring device arranged on the circuit board, the wireless communication device and the CT power taking device, the temperature value measured by the temperature measuring device may be abnormal, which affects the normal use of the watchband type temperature measuring device, and the reliability and the use stability need to be improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a watchband formula wireless temperature measurement sensor based on CT gets electricity.

In order to solve the technical problem, the technical scheme of the utility model is that: a watchband type wireless temperature measurement sensor based on CT electricity taking comprises a shell, a binding band arranged on the shell and a circuit board arranged in the shell, wherein the binding band is provided with a mounting groove for mounting a CT electricity taking ring, the circuit board is provided with a temperature measurement sensor, a wireless communication module and a CT electricity taking power supply module, the shell comprises an upper shell and a lower shell, the upper shell is inserted on the lower shell, the binding bands are arranged on the side walls of two sides of the lower shell, the lower shell is a rectangular shell with an open top, a micro fan and a placing plate are sequentially arranged in the lower shell from bottom to top, the micro fan is arranged on the inner wall of the bottom of the lower shell, the air exhaust end of the micro fan is vertically and upwardly arranged, the placing plate is in a rectangular frame shape, the placing plate is horizontally arranged in the lower shell, the peripheral outer wall of the placing plate is fixedly connected with the peripheral inner wall of the lower shell, and the circuit board is detachably connected to the placing plate; the lower casing is not provided with the ventilation hole on the both sides lateral wall of bandage, and the ventilation hole is in the same place with the external intercommunication in the casing down.

Preferably, the strap is provided with a snap ring and a buckle for facilitating locking of the strap to the electrical contact.

Preferably, the micro fan is electrically connected with the CT power supply module.

Preferably, all open by four apex angle positions on the circuit board has first screw hole, and the spiro union has locking screw in the first screw hole, and locking screw is that the pin fin end sets up, places and all opens by four apex angle positions on the board has the second screw hole, and the second screw hole is the same with first screw hole shape size, and is coaxial setting, and the circuit board passes through the spiro union of locking screw, first screw hole and second screw hole and places the board and can dismantle the connection together.

Preferably, place and still seted up the inserting groove on the board, the edge of inserting groove establishing holding the board top surface and pressing close to the casing lateral wall down, the size of inserting groove satisfies the casing peg graft and can insert in the inserting groove with the bottom of going up the casing when on the casing down.

Preferably, a through hole is formed in the top wall of the upper shell, and a temperature measurement contact of the temperature measurement sensor penetrates out of the through hole.

Compare prior art, the utility model has the advantages that:

based on the problems of difficult heat dissipation in the shell, poor reliability and poor use stability caused by the influence of overhigh temperature on the circuit board and the normal work of electric devices on the circuit board, the utility model arranges the micro fan in the lower shell, leads the micro fan to be electrically connected with the CT electricity-taking power supply module, leads the circuit board to be positioned above the micro fan, arranges the vent hole on the side wall of the lower shell, leads the inside of the lower shell to be communicated with the outside, when the wireless temperature measurement sensor works, the CT electricity-taking power supply module supplies power for the micro fan, the micro fan starts to rotate, generates wind upwards, leads the generated wind to take away the heat generated by the circuit board through the circuit board and be discharged outwards through the vent hole, thereby carrying out the heat dissipation operation in the shell, leading the heat in the shell to be quickly dissipated and difficult to accumulate in the shell, therefore, the circuit board and the electric device on the circuit board can work normally and stably, and the circuit board has the advantages of simple structure, convenience in use, good reliability and good use stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a schematic structural view of another view angle of the present invention;

fig. 4 is a partial side view of the present invention;

fig. 5 is a side view of the present invention in partial explosion;

FIG. 6 is an enlarged view at A;

fig. 7 is an enlarged view at B.

Reference numerals: 1. an upper housing; 2. a lower housing; 3. binding bands; 4. a circuit board; 5. mounting grooves; 6. a temperature measuring sensor; 7. a wireless communication module; 8. a CT power supply module; 9. a micro fan; 10. placing the plate; 11. a vent hole; 12. a snap ring; 13. buckling; 14. a first threaded hole; 15. locking the screw; 16. a second threaded hole; 17. inserting grooves; 18. a through hole; 19. a temperature measuring contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): referring to fig. 1 to 7, the embodiment provides a watchband type wireless temperature measurement sensor 6 based on CT power taking, which includes a housing, a binding band 3 disposed on the housing, and a circuit board 4 disposed in the housing, wherein a mounting groove 5 for mounting a CT power taking ring is formed in the binding band 3, a snap ring 12 and a snap buckle 13 for conveniently locking the binding band 3 on an electrical contact are disposed on the binding band 3, a temperature measurement sensor 6, a wireless communication module 7 and a CT power taking power module 8 are disposed on the circuit board 4, the CT power taking power module 8 is electrically connected with the temperature measurement sensor 6, the wireless communication module 7 and the CT power taking ring, the wireless communication module 7 is electrically connected with the temperature measurement sensor 6, and is used for transmitting a value measured by the temperature measurement sensor 6 to an external cloud server, so that an external operator can; in this embodiment, the CT power supply module 8 can be replaced by a CT power supply of the type CTP1205 manufactured by beijing anderson scom in the prior art; because CT gets the electricity ring, is used for installing mounting groove 5, temperature measurement sensor 6 and the wireless communication module 7 that CT got the electricity ring and is prior art, has disclosed in this utility model patent that chinese patent authorized publication number is CN208721263U, consequently, the utility model discloses no longer describe any more.

The shell comprises an upper shell 1 and a lower shell 2, the upper shell 1 is inserted into the lower shell 2, binding bands 3 are arranged on the side walls of two sides of the lower shell 2, the lower shell 2 is a rectangular shell with an open top, a micro fan 9 and a placing plate 10 are sequentially arranged inside the lower shell 2 from bottom to top, the micro fan 9 is electrically connected with a CT power supply module 8, the micro fan 9 is arranged on the inner wall of the bottom of the lower shell 2, and the air exhaust end of the micro fan 9 is vertically and upwards arranged; the placing plate 10 is horizontally arranged in the lower shell 2, the peripheral outer wall of the placing plate 10 is fixedly connected with the peripheral inner wall of the lower shell 2, and the circuit board 4 is detachably connected to the placing plate 10; the side walls of the two sides of the lower shell 2, which are not provided with the binding bands 3, are provided with vent holes 11, and the vent holes 11 communicate the inside of the lower shell 2 with the outside; the top wall of the upper shell 1 is provided with a through hole 18, and a temperature measuring contact 19 of the temperature measuring sensor 6 penetrates upwards from the through hole 18 and is used for measuring the temperature of an external electrical contact.

Furthermore, the circuit board 4 is provided with first threaded holes 14 close to four vertex angle positions, the first threaded holes 14 are internally threaded with locking screws 15, the locking screws 15 are arranged with nail head ends facing upwards, the placing board 10 is provided with second threaded holes 16 close to four vertex angle positions, the second threaded holes 16 are identical to the first threaded holes 14 in shape and size and are coaxially arranged, the circuit board 4 is detachably connected with the placing board 10 through the locking screws 15 and the first threaded holes 14 and the second threaded holes 16 in threaded connection, when the circuit board 4 is connected with the placing board 10, the first threaded holes 14 in the circuit board 4 are aligned with the second threaded holes 16, then external tools are used, the locking screws 15 are screwed inwards by a screwdriver and the like, the first threaded holes 14 are screwed into the second threaded holes 16, and the circuit board 4 can be installed on the placing board 10.

Further, place and still seted up inserting groove 17 on the board 10, inserting groove 17 establishes and places the edge that 2 lateral walls of casing under the board 10 top surface is pressed close to, and inserting groove 17's size satisfies in casing 1 pegs graft and the bottom of casing 1 can insert inserting groove 17 when casing 2 is gone up down, and inserting groove 17 is used for supplementary casing 1 and the casing 2 down between be connected.

The working principle of the utility model is that when the utility model works, the binding band 3 is locked on the electric contact through the snap ring 12 and the buckle 13, so that the temperature measuring contact 19 of the temperature measuring sensor 6 can measure the temperature of the electric contact; when the utility model is locked on the electric contact, at the moment, the CT electricity taking ring is annular, electric energy is obtained under the action of a magnetic field, the electric energy generated by the CT electricity taking ring is transmitted to the CT electricity taking power module 8, and the CT electricity taking power module 8 is charged; CT gets electric power module 8 and provides operating current for temperature sensor 6 and wireless communication module 7, temperature sensor 6 carries out the temperature measurement to electric contact, wireless communication module 7 transmits the numerical value that temperature sensor 6 surveyed to the high in the clouds server in the external world, CT gets electric power module 8 and still provides operating current for miniature fan 9, miniature fan 9 starts to rotate behind the on-current, produce ascending wind-force, the wind that produces can take away the heat that circuit board 4 produced through circuit board 4, and outwards discharge by ventilation hole 11, with this the inside heat dissipation operation of casing, make the inside heat of casing can very fast disperse, be difficult to pile up inside the casing, thereby guarantee that the electric part on circuit board 4 and the circuit board 4 can normal stable work.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above is only the typical example of the utility model, in addition, the utility model can also have other multiple concrete implementation manners, and the technical scheme that all adopt equivalent replacement or equivalent transform to form all falls within the scope of the utility model.

Claims

1. The utility model provides a watchband type wireless temperature measurement sensor (6) based on CT gets electricity, includes the casing, sets up bandage (3) on the casing and sets up circuit board (4) in the casing, and it has mounting groove (5) that are used for installing CT to get the electricity ring to open on bandage (3), is equipped with temperature measurement sensor (6), wireless communication module (7) and CT on circuit board (4) and gets power module (8), its characterized in that: the shell comprises an upper shell (1) and a lower shell (2), the upper shell (1) is inserted into the lower shell (2), a binding band (3) is arranged on the side walls of the two sides of the lower shell (2), the lower shell (2) is a rectangular shell with an open top, a micro fan (9) and a placing plate (10) are sequentially arranged inside the lower shell (2) from bottom to top, the micro fan (9) is arranged on the inner wall of the bottom of the lower shell (2), the air exhaust end of the micro fan (9) is vertically arranged upwards, the placing plate (10) is in a rectangular frame shape, the placing plate (10) is horizontally arranged in the lower shell (2), the outer wall of the periphery of the placing plate (10) is fixedly connected with the inner wall of the periphery of the lower shell (2), and the circuit board (4) is detachably connected onto the placing plate (10); the lower shell (2) is not provided with the ventilation holes (11) on the side walls of the two sides of the binding band (3), and the ventilation holes (11) communicate the inside of the lower shell (2) with the outside.

2. The watchband type wireless temperature measurement sensor (6) based on CT electricity taking as claimed in claim 1, wherein: and a snap ring (12) and a buckle (13) which are used for conveniently locking the binding band (3) on the electrical contact are arranged on the binding band (3).

3. The watchband type wireless temperature measurement sensor (6) based on CT electricity taking as claimed in claim 1, wherein: the micro fan (9) is electrically connected with the CT power supply module (8).

4. The watchband type wireless temperature measurement sensor (6) based on CT electricity taking as claimed in claim 1, wherein: first screw hole (14) have all been opened by four apex angle positions department on circuit board (4), threaded connection has locking screw (15) in first screw hole (14), locking screw (15) are the pin fin end and set up, place board (10) and go up and all open by four apex angle positions department and have second screw hole (16), second screw hole (16) are the same with first screw hole (14) shape size, and are coaxial setting, the spiro union of circuit board (4) through locking screw (15), first screw hole (14) and second screw hole (16) with place board (10) and can dismantle the connection and be in the same place.

5. The watchband type wireless temperature measurement sensor (6) based on CT electricity taking as claimed in claim 4, wherein: the placing plate (10) is further provided with an inserting groove (17), the edge of the side wall of the lower shell (2) is pressed close to the top surface of the placing plate (10) by the inserting groove (17), and the size of the inserting groove (17) meets the requirement that the bottom of the upper shell (1) can be inserted into the inserting groove (17) when the upper shell (1) is inserted into the lower shell (2).

6. The watchband type wireless temperature measurement sensor (6) based on CT electricity taking as claimed in claim 5, wherein: a through hole (18) is formed in the top wall of the upper shell (1), and a temperature measuring contact (19) of the temperature measuring sensor (6) penetrates out of the through hole (18) upwards.