CN213021962U

CN213021962U - Infrared temperature measuring sensor for bottom of electric cooker

Info

Publication number: CN213021962U
Application number: CN202022058215.2U
Authority: CN
Inventors: 吴祖泉; 陈庆昌
Original assignee: Shenzhen Shenwu Sensor Co ltd
Current assignee: Shenzhen Shenwu Sensor Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-04-20
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses an infrared temperature sensor of electric rice cooker bottom, its technical scheme main points are: the utility model discloses a heat dissipation device, including a base, sealed lid and sensor body, the fixed pouring sealant that is provided with in upper end of base, the upper end of pouring sealant is seted up flutedly, the recess internal fixation is provided with the PCB board, PCB board and sensor body electric connection, the fixed first sealing ring that is provided with in outer end of pouring sealant, the outer end of first sealing ring is provided with sealed lid, be provided with first external screw thread on internal surface and the surface of sealed lid lower extreme, first internal thread has been seted up to the outer end of first sealing ring, the outer end of sealed lid is provided with the second sealing ring, the internal surface of second sealing ring is provided with the second internal thread, the surface of second sealing ring is provided with the second external screw thread, the outer end of second sealing ring is provided with solid fixed ring, gu fixed.

Description

Infrared temperature measuring sensor for bottom of electric cooker

Technical Field

The utility model relates to an infrared temperature sensor technical field, in particular to infrared temperature sensor at bottom of electric rice cooker.

Background

The infrared temperature measuring sensor utilizes the radiation heat effect to lead the temperature of the detecting device to rise after receiving the radiation energy, thereby leading the performance of one column in the sensor and the temperature to change. The radiation can be detected by detecting the change of a certain performance, and the infrared temperature measuring sensor at the bottom of the electric cooker is one of infrared sensors.

The existing electric cooker pot bottom infrared temperature measurement sensor has poor waterproof performance, and the sensor is damaged once a user carelessly sprays water into the pot bottom; meanwhile, although the infrared temperature measurement sensor can measure a higher temperature, the temperature of the working environment is generally-20-100 ℃, the existing electric cooker bottom infrared temperature measurement sensor has poor heat dissipation performance, and if the sensor is not subjected to heat dissipation treatment in time, the sensor is damaged due to high temperature, so a new technical scheme is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing an infrared temperature sensor in electric rice cooker bottom to solve the current infrared temperature sensor in electric rice cooker bottom waterproof performance of mentioning not good and the current infrared temperature sensor heat dispersion not good problem in electric rice cooker bottom in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an infrared temperature measurement sensor for the bottom of an electric cooker comprises a base, a sealing cover and a sensor body, wherein pouring sealant is fixedly arranged at the upper end of the base, a groove is formed in the upper end of the pouring sealant, a PCB is fixedly arranged in the groove and electrically connected with the sensor body, a first sealing ring is fixedly arranged at the outer end of the pouring sealant, the sealing cover is arranged at the outer end of the first sealing ring, first external threads are arranged on the inner surface and the outer surface of the lower end of the sealing cover, first internal threads are formed in the outer end of the first sealing ring, a second sealing ring is arranged at the outer end of the sealing cover, second internal threads are arranged on the inner surface of the second sealing ring, second external threads are arranged on the outer surface of the second sealing ring, a fixing ring is arranged at the outer end of the second sealing ring, and, the lower extreme of casting glue is fixed and is provided with the heat-conducting plate, the fixed a plurality of heat conduction poles that are provided with of lower extreme of heat-conducting plate, the base corresponds to heat conduction pole department sets up and has been seted up at first through-hole, the heat conduction pole extends into in the first through-hole.

Further, the base is made of epoxy resin.

Through the technical scheme, the base made of the epoxy resin has good heat-conducting property.

Furthermore, a second through hole is formed in the middle of the base, a lead is arranged in the second through hole and electrically connected with the PCB, and sealant is filled in the second through hole.

Through the technical scheme, can improve the utility model discloses a leakproofness prevents that water from getting into by the second through-hole the utility model discloses an inside leads to the sensor body to damage.

Furthermore, the first through hole is filled with sealant.

Through the technical scheme, can further improve the utility model discloses a leakproofness prevents that water from getting into by first through-hole the utility model discloses an inside leads to the sensor body to damage.

Furthermore, the lower ends of the first sealing ring and the second sealing ring are fixedly provided with sealing gaskets.

Through the technical scheme, can improve the utility model discloses, prevent that water from flowing in by first sealing ring and second sealing ring department the utility model discloses an inside.

Furthermore, the wire different from with the fixed waterproof rubber cap that sets up of one end that the PCB board is connected.

Through above-mentioned technical scheme, prevent that rivers from to the wiring department of wire, leading to the condition of wire short circuit to take place.

To sum up, the utility model discloses mainly have following beneficial effect: in the utility model, by arranging the first sealing ring, the second sealing ring, the sealing gasket and the fixing ring, when in use, the screw threads on the first sealing ring and the second sealing ring can be used for fixing, and then the fixing ring is used for fixing the first sealing ring and the second sealing ring to prevent water from entering the utility model, the waterproof performance is better; and simultaneously, the utility model discloses in, through setting up the base that casting glue, heat-conducting plate, heat-conducting rod and epoxy made, during the use, the heat can be passed to heat-conducting plate and heat-conducting rod through the casting glue, then passes to the base through heat-conducting plate and heat-conducting rod, can be fine dispel the heat to the sensor body.

Drawings

Fig. 1 is a schematic diagram of the internal structure of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention.

Reference numerals: 1. a base; 101. a first through hole; 102. a second through hole; 2. a sealing cover; 201. a first external thread; 3. a sensor body; 4. pouring a sealant; 401. a groove; 5. a PCB board; 6. a first seal ring; 601. a first internal thread; 7. a second seal ring; 701. a second internal thread; 702. a second external thread; 8. a fixing ring; 801. a third internal thread; 9. a heat conducting plate; 10. a heat conducting rod; 11. a wire; 12. and a gasket.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 and 2, an infrared temperature measuring sensor for the bottom of an electric cooker comprises a base 1, a sealing cover 2 and a sensor body 3, wherein a pouring sealant 4 is fixedly arranged at the upper end of the base 1, a groove 401 is arranged at the upper end of the pouring sealant 4, a PCB 5 is fixedly arranged in the groove 401, the PCB 5 is electrically connected with the sensor body 3, a first sealing ring 6 is fixedly arranged at the outer end of the pouring sealant 4, the sealing cover 2 is arranged at the outer end of the first sealing ring 6, first external threads 201 are arranged on the inner surface and the outer surface of the lower end of the sealing cover 2, first internal threads 601 are arranged at the outer end of the first sealing ring 6, a second sealing ring 7 is arranged at the outer end of the sealing cover 2, second internal threads 701 are arranged on the inner surface of the second sealing ring 7, second external threads 702 are arranged on the outer surface of the second sealing ring 7, the fixed heat-conducting plate 9 that is provided with of lower extreme of casting glue 4, the fixed a plurality of heat-conducting rods 10 that are provided with of lower extreme of heat-conducting plate 9, base 1 is seted up in having first through-hole 101 corresponding to heat-conducting rod 10 department, heat-conducting rod 10 extends into in the first through-hole 101, in this embodiment, be provided with the through-hole on the PCB board 5, casting glue 4 is provided with the screw hole corresponding to through-hole department, PCB board 5 and casting glue 4 pass through the fix with screw, casting glue 4 and base 1 bond fixedly, the material of heat-conducting plate 9 and heat-conducting rod 10 is the copper, heat-conducting rod 10 cavity sets up, sealed lid 2 uses organic glass to make, in addition, can also be at base 1's both ends then the locating piece, establish.

Referring to fig. 1, the material of the base 1 is epoxy resin.

Referring to fig. 1, a second through hole 102 is formed in the middle of the base 1, a wire 11 is disposed in the second through hole 102, the wire 11 is electrically connected to the PCB 5, and the second through hole 102 is filled with a sealant.

Referring to fig. 1, the first through hole 101 is filled with a sealant.

Referring to fig. 1, the lower ends of the first sealing ring 6 and the second sealing ring 7 are fixedly provided with a sealing gasket 12, and the first sealing ring 6, the second sealing ring 7 and the sealing gasket 12 are integrally formed and made of nitrile rubber.

Referring to fig. 1, a waterproof rubber cap is fixedly disposed at an end of the lead 11 different from the end connected to the PCB 5.

To sum up, when the utility model is used, the lead 11 is connected into the circuit to be used, the sealing cover 2 can be pre-fixed by utilizing the first sealing ring 6 and the second sealing ring 7, and then the first sealing ring 6 and the second sealing ring 7 are fixed by utilizing the fixing ring 8 to prevent water from entering the utility model, so that the waterproof performance is better; and simultaneously, the utility model discloses in, through setting up base 1 that casting glue 4, heat-conducting plate 9, heat-conducting rod 10 and epoxy made, during the use, the heat can be passed to heat-conducting plate 9 and heat-conducting rod 10 through casting glue 4, then passes to base 1 through heat-conducting plate 9 and heat-conducting rod 10, can be fine dispel the heat to sensor body 3, when needs are overhauld, unscrew solid fixed ring 8, then it can be right to unscrew sealed lid 2 the utility model discloses overhaul, it is comparatively convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an infrared temperature sensor of electric rice cooker bottom, includes base (1), sealed lid (2) and sensor body (3), its characterized in that: the sensor is characterized in that a pouring sealant (4) is fixedly arranged at the upper end of the base (1), a groove (401) is formed in the upper end of the pouring sealant (4), a PCB (5) is fixedly arranged in the groove (401), the PCB (5) is electrically connected with the sensor body (3), a first sealing ring (6) is fixedly arranged at the outer end of the pouring sealant (4), the outer end of the first sealing ring (6) is provided with the sealing cover (2), first external threads (201) are arranged on the inner surface and the outer surface of the lower end of the sealing cover (2), first internal threads (601) are formed in the outer end of the first sealing ring (6), a second sealing ring (7) is arranged at the outer end of the sealing cover (2), second internal threads (701) are formed in the inner surface of the second sealing ring (7), and second external threads (702) are formed in the outer surface of the second sealing, the outer end of second sealing ring (7) is provided with solid fixed ring (8), the internal surface of solid fixed ring (8) is provided with third internal thread (801), the fixed heat-conducting plate (9) that is provided with of lower extreme of casting glue (4), the fixed a plurality of heat conduction poles (10) that are provided with of lower extreme of heat-conducting plate (9), base (1) correspond to heat conduction pole (10) are located to set up and are being had first through-hole (101), heat conduction pole (10) extend into in first through-hole (101).

2. The infrared temperature measuring sensor for the bottom of the electric cooker as claimed in claim 1, which is characterized in that: the base (1) is made of epoxy resin.

3. The infrared temperature measuring sensor for the bottom of the electric cooker as claimed in claim 1, which is characterized in that: the middle part of the base (1) is provided with a second through hole (102), a lead (11) is arranged in the second through hole (102), the lead (11) is electrically connected with the PCB (5), and sealant is filled in the second through hole (102).

4. The infrared temperature measuring sensor for the bottom of the electric cooker as claimed in claim 1, which is characterized in that: and sealant is filled in the first through hole (101).

5. The infrared temperature measuring sensor for the bottom of the electric cooker as claimed in claim 1, which is characterized in that: and the lower ends of the first sealing ring (6) and the second sealing ring (7) are fixedly provided with sealing gaskets (12).

6. The infrared temperature measuring sensor for the bottom of the electric cooker as claimed in claim 3, which is characterized in that: and a waterproof rubber cap is fixedly arranged at one end of the lead (11) different from the end connected with the PCB (5).