CN217953722U

CN217953722U - Wireless temperature sensor

Info

Publication number: CN217953722U
Application number: CN202221425440.8U
Authority: CN
Inventors: 刘磊; 刘双文; 盛云峰; 李壮; 姚嘉骏
Original assignee: Jiaxing Broadsens Technology Co ltd
Current assignee: Jiaxing Broadsens Technology Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-12-02
Anticipated expiration: 2032-06-07

Abstract

The utility model provides a wireless temperature sensor, including the casing, install PCB board and battery in the casing and install outside the casing and be located the temperature probe and the antenna at casing both ends respectively, its characterized in that: the PCB board is arranged on the bottom cover, an annular groove is formed in the upper end face of the bottom cover, a positioning protruding strip is arranged on the surrounding frame, a positioning groove communicated with the annular groove is formed in the bottom cover, the surrounding frame is inserted into the annular groove when the positioning protruding strip is inserted into the positioning groove, a bottom connecting hole is formed in the position, corresponding to the positioning groove, of the bottom cover, the bottom cover is fixed with the surrounding frame through a bottom bolt, and the bottom bolt penetrates through the connecting hole and is connected with a threaded hole.

Description

Wireless temperature sensor

Technical Field

The utility model relates to a sensor field, in particular to wireless temperature sensor.

Background

The temperature sensor is mainly used for accurately obtaining the actual temperature of the temperature measuring point in real time and preventing accidents.

In an electric power system, resistance of a cut-off contact of various devices is increased due to possible loosening, aging, electric arc impact and the like in long-term operation, so that the temperature of the contact can be continuously increased, hidden dangers are brought to safe operation of a power grid, if the contact is not found in time, equipment explosion, fire disasters are easily caused, the safety of personnel is endangered, serious disastrous accidents such as large-area power failure are caused, serious economic losses are caused to the country, the group and the individual, and the safety of the national power grid is endangered. Therefore, the temperature of the key points of the power equipment is monitored on line in real time, and potential safety hazards are timely discovered and discharged.

The existing temperature sensor is divided into a box body and a cover due to the shell structure, when a PCB is arranged in the box body, the size of the box body is small, and therefore the existing temperature sensor is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a wireless temperature sensor, easy to assemble PCB board.

The above technical purpose of the present invention can be achieved by the following technical solutions: wireless temperature sensor, including the casing, install PCB board and the battery in the casing and install outside the casing and be located the temperature probe and the antenna at casing both ends respectively, its characterized in that: the casing includes the frame that encloses that link up from top to bottom, installs at the upper cover that encloses the frame upper end, installs the bottom at enclosing the frame lower extreme, and the PCB board is installed on the bottom, the ring channel has been seted up to the bottom up end, it is provided with the location sand grip to enclose the frame, set up the constant head tank with the ring channel intercommunication on the bottom, enclose the frame when the location sand grip inserts in the constant head tank and insert in the ring channel, the bottom connecting hole is seted up to the position that the bottom corresponds the constant head tank, the bottom passes through the bottom bolt and encloses the frame fixed, and the bottom bolt passes the connecting hole and is connected with the screw hole.

The enclosure frame is further provided with threaded holes which are communicated up and down at four corners, the upper cover is provided with upper counter bores corresponding to the threaded holes, the upper cover is fixed with the enclosure frame through top bolts, and the top bolts penetrate through the upper counter bores and are in threaded connection with the threaded holes.

Further setting, the PCB board passes through the wire with the battery and is connected, the PCB board passes through the wire with the antenna and is connected.

Further, the outer wall of the positioning convex strip is arc-shaped.

Further, the bottom cover is fixedly provided with two mounting blocks, the two ends of the bottom cover are respectively provided with two mounting blocks, a concave opening is formed between the two mounting blocks, and the mounting blocks are provided with mounting holes.

Further, the cross section of the mounting block is trapezoidal, and the lower bottom of the trapezoid is fixed with the bottom cover.

The PCB is further arranged and fixed on the bottom cover through the stud, a first hole is formed in the end face, close to the enclosing frame, of the bottom cover, a second hole corresponding to the first hole is formed in the PCB, the first hole is a threaded hole, and the stud penetrates through the second hole and is in threaded connection with the first hole.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses simple structure assembles the casing split triplex, makes things convenient for the installation of PCB board fixed.

Drawings

FIG. 1 is an exploded view of the structure of the embodiment;

FIG. 2 is a structural view of a bottom cover of the embodiment;

fig. 3 is a structural view of the enclosure.

Reference numerals: 1. a housing; 11. enclosing a frame; 111. positioning the convex strip; 112. a threaded hole; 12. an upper cover; 13. a bottom cover; 131. an annular groove; 132. positioning a groove; 133. a bottom connection hole; 134. a first hole; 2. a PCB board; 21. a second hole; 3. a battery; 41. a stud; 42. a bottom bolt; 43. a top bolt; 5. a temperature probe; 6. an antenna; 7. mounting a block; 71. mounting holes; 8. a recessed port.

Detailed Description

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

A wireless temperature sensor comprises a shell 1, a PCB 2 and a battery 3 which are arranged in the shell 1, and a temperature probe 5 and an antenna 6 which are arranged outside the shell 1 and are respectively positioned at two ends of the shell 1. The PCB 2 is connected with the battery 3 through a wire, the PCB 2 is connected with the antenna 6 through a wire, and the PCB 2 is connected with the antenna 6 through a wire.

The casing 1 includes a surrounding frame 11 penetrating vertically, an upper cover 12 mounted on an upper end of the surrounding frame 11, and a bottom cover 13 mounted on a lower end of the surrounding frame 11. Temperature probe 5 and antenna 6 stretch out from the both ends that enclose frame 11 respectively, and ring channel 131 has been seted up to bottom 13 up end, enclose frame 11 four corners department and all be provided with location sand grip 111, location sand grip 111 with enclose frame 11 integrated into one piece, the outer wall of location sand grip 111 is arc. The bottom cover 13 is provided with a positioning groove 132 communicated with the annular groove 131, and the positioning groove 132 and the positioning convex strip 111 are arc-shaped correspondingly. When the positioning convex strips 111 are inserted into the positioning grooves 132, the enclosure frame 11 is inserted into the annular groove 131, the bottom cover 13 is provided with bottom connecting holes 133 at positions corresponding to the positioning grooves 132, the bottom cover 13 is fixed with the enclosure frame 11 through bottom bolts 42, and the bottom bolts 42 penetrate through the connecting holes from the bottom to be connected with the threaded holes 112.

The four corners of the enclosure frame 11 are provided with vertically through threaded holes 112, the upper cover 12 is provided with upper counter bores corresponding to the threaded holes 112, the upper cover 12 is fixed with the enclosure frame 11 through the top bolts 43, and the top bolts 43 penetrate through the upper counter bores to be in threaded connection with the threaded holes 112.

The bottom cover 13 is fixed with the mounting blocks 7, the mounting blocks 7 and the bottom cover 13 are integrally formed, the two mounting blocks 7 are respectively arranged at two ends of the bottom cover 13, a recessed opening 8 is formed between the two mounting blocks 7, the cross section of each mounting block 7 is trapezoidal, and the lower bottom of each trapezoidal shape is fixed with the bottom cover 13. The mounting block 7 is provided with a mounting hole 71, and the mounting hole 71 is used for mounting the wireless temperature sensor to a position needing to be mounted.

The PCB 2 is fixed on the bottom cover 13 through a stud 41, a first hole 134 is formed in the end face, close to the surrounding frame 11, of the bottom cover 13, a second hole 21 corresponding to the first hole 134 is formed in the PCB 2, the first hole 134 is a threaded hole, the stud 41 penetrates through the second hole 21 to be in threaded connection with the first hole 134, and the end, with the larger diameter, of the stud 41 abuts against the PCB 2.

When the PCB is installed, the PCB 2 is fixed on the bottom cover 13, and then the bottom cover 13 and the surrounding frame 11 are fixed. The studs 41 are provided as copper studs and can simultaneously serve as compression leads for electrical connection against contacts of the PCB 2.

Claims

1. The utility model provides a wireless temperature sensor, includes casing (1), installs PCB board (2) and battery (3) in casing (1) and installs temperature probe (5) and antenna (6) that just are located casing (1) both ends respectively outside casing (1), its characterized in that: the shell (1) comprises an enclosing frame (11) which is vertically communicated, an upper cover (12) which is arranged at the upper end of the enclosing frame (11) and a bottom cover (13) which is arranged at the lower end of the enclosing frame (11), wherein the PCB (2) is arranged on the bottom cover (13), an annular groove (131) is formed in the upper end face of the bottom cover (13), a positioning convex strip (111) is arranged on the enclosing frame (11), a positioning groove (132) communicated with the annular groove (131) is formed in the bottom cover (13), the enclosing frame (11) is inserted into the annular groove (131) when the positioning convex strip (111) is inserted into the positioning groove (132), a bottom connecting hole (133) is formed in the position, corresponding to the positioning groove (132), of the bottom cover (13), the bottom cover (13) is fixed with the enclosing frame (11) through a bottom bolt (42), and the bottom bolt (42) penetrates through the connecting hole to be connected with a threaded hole (112).

2. The wireless temperature sensor of claim 1, wherein: the four corners of the enclosure frame (11) are provided with threaded holes (112) which are communicated up and down, the upper cover (12) is provided with upper counter bores corresponding to the threaded holes (112), the upper cover (12) is fixed with the enclosure frame (11) through top bolts (43), and the top bolts (43) penetrate through the upper counter bores to be in threaded connection with the threaded holes (112).

3. The wireless temperature sensor of claim 1, wherein: the PCB (2) is connected with the battery (3) through a wire, and the PCB (2) is connected with the antenna (6) through a wire.

4. The wireless temperature sensor of claim 1, wherein: the outer wall of the positioning convex strip (111) is arc-shaped.

5. The wireless temperature sensor of claim 1, wherein: the bottom cover (13) is fixedly provided with two mounting blocks (7), the two ends of the bottom cover (13) of each mounting block (7) are provided with two recessed ports (8), and a mounting hole (71) is formed in each mounting block (7).

6. The wireless temperature sensor of claim 5, wherein: the cross section of the mounting block (7) is trapezoidal, and the lower bottom of the trapezoid is fixed with the bottom cover (13).

7. The wireless temperature sensor of claim 1, wherein: the PCB (2) is fixed on the bottom cover (13) through the stud (41), a first hole (134) is formed in the end face, close to the enclosing frame (11), of the bottom cover (13), a second hole (21) corresponding to the first hole (134) is formed in the PCB (2), the first hole (134) is a threaded hole (112), and the stud (41) penetrates through the second hole (21) to be in threaded connection with the first hole (134).