Electromagnetic heating water cup capable of accurately measuring temperature

Abstract

The utility model discloses an electromagnetic heating water cup capable of accurately measuring temperature, which comprises a cup body, a base and a temperature measuring module, a water cavity is arranged in the cup body, and the cup body is made of stainless steel; the base is detachably arranged at the bottom of the cup body, and an electromagnetic coil capable of heating the bottom of the cup body is arranged in the base; the temperature measuring module is arranged at the top of the base, and the temperature measuring module at least comprises an NTC (Negative Temperature Coefficient) temperature measuring probe made of a non-metal material. When the base is arranged at the bottom of the cup body, the NTC temperature measuring probe abuts against the bottom wall of the cup body to achieve temperature detection. Therefore, the NTC temperature measurement probe made of a non-metal material is used for detecting temperature, and the NTC temperature measurement probe is not influenced by an electromagnetic field, so that the temperature measurement accuracy can be ensured; in addition, the NTC temperature measurement probe does not need to be sealed, so that the overall structure is relatively simple, and the cost is further reduced.

Description

Technical Field

[0001] The utility model relates to the field of heating water cups, and particularly relates to an electromagnetic heating water cup with accurate temperature measurement. Background Art

[0002] The information provided in this part is only background information related to the present application to facilitate those skilled in the art to understand the present application more thoroughly and accurately, and it is not necessarily prior art.

[0003] Currently, with the increasing maturity of electromagnetic heating technology, there are more and more heating water cups using electromagnetic coils for heating on the market. Due to their technical advantages in terms of thermal efficiency, safety, etc., they are increasingly favored by consumers in the market.

[0004] Among them, in order to detect the water temperature in the heating water cup, most methods on the market are to set a temperature probe at the bottom of the cup body and use the temperature probe to directly contact the bottom wall of the cup body to achieve temperature detection. However, since the temperature probe is made of a metal material, when an electromagnetic coil is energized, the generated electromagnetic field will interfere with the temperature probe, resulting in inaccurate temperature measurement.

[0005] Therefore, some merchants use infrared probes to achieve water temperature detection, which not only has a high cost, but also requires sealing the infrared probe to prevent it from being contaminated, resulting in a complex structure and low practicability. Summary of the Utility Model

[0006] In order to overcome the defects of the above-mentioned prior art, the utility model provides an electromagnetic heating water cup with accurate temperature measurement, which can solve the problems of inaccurate temperature measurement, high cost, complex structure, etc. mentioned in the above background art.

[0007] The technical solution adopted by the utility model to solve its problems is as follows:

[0008] An electromagnetic heating water cup with accurate temperature measurement, comprising:

[0009] A cup body, with a water cavity provided inside; the cup body is made of stainless steel material;

[0010] A base, which is detachably arranged at the bottom of the cup body; an electromagnetic coil for heating the bottom of the cup body is provided inside the base;

[0011] A temperature measurement module, which is arranged on the top of the base; the temperature measurement module at least includes an NTC temperature probe made of a non-metallic material;

[0012] Wherein, when the base is arranged at the bottom of the cup body, the NTC temperature probe contacts the bottom wall of the cup body to achieve temperature detection.

[0013] Further, the NTC temperature measurement probe is made of a ceramic material with a high thermal conductivity.

[0014] Further, the temperature measurement module further includes a bracket and an elastic member that cooperates with the bracket, wherein:

[0015] An installation groove is formed at the top of the base, and the bracket is movably arranged in the installation groove and can move up and down along the axial direction of the installation groove;

[0016] The NTC temperature measurement probe is inserted through the bracket;

[0017] The elastic member is arranged in the installation groove, and one end thereof abuts against the bracket, and the other end abuts against the base;

[0018] Wherein, when the base is arranged at the bottom of the cup body, the bottom of the cup body abuts against the NTC temperature measurement probe and drives the NTC temperature measurement probe to overcome the elastic force of the elastic member and move.

[0019] Further, a sealing ring is also provided between the bracket and the installation groove to form a waterproof seal, wherein:

[0020] A ring-shaped groove is formed on the bracket to form a stepped surface, and the inner side of the sealing ring is sleeved on the ring-shaped groove to form a seal;

[0021] The outer side of the sealing ring is snap-fitted and fixed on the installation groove to form a seal;

[0022] The bracket can move up and down along the axial direction of the installation groove and abuts against the sealing ring through the stepped surface to achieve limiting.

[0023] Further, the sealing ring and the installation groove are snap-fitted and fixed through a groove-block snap-fitting structure, wherein:

[0024] The groove-block snap-fitting structure includes a snap block and a snap groove that are snap-fitted with each other, and one of the snap block and the snap groove is arranged on the inner side wall of the installation groove, and the other is arranged on the outer side wall of the sealing ring.

[0025] Further, the base includes an upper shell and a lower shell arranged up and down, and the upper shell and the lower shell are connected to each other and an installation cavity is formed inside, wherein:

[0026] The upper shell is provided with the installation groove, and the installation groove is arranged in a through manner and communicates with the installation cavity;

[0027] An installation bracket is further included in the installation cavity, and a first cavity is formed by enclosing between the upper end of the installation bracket and the inside of the upper shell, and the electromagnetic coil is arranged in the first cavity;

[0028] One end of the elastic member abuts against the bracket, and the other end thereof abuts against the mounting bracket.

[0029] Furthermore, it further includes a coil bracket disposed in the first cavity and a circuit board disposed on the coil bracket, and the circuit board is electrically connected to the electromagnetic coil.

[0030] Furthermore, a second cavity is formed by enclosing between the lower end of the mounting bracket and the inside of the lower housing, and a power supply board is disposed in the second cavity. A power input interface for connecting to an external power supply is provided on the power supply board;

[0031] The electromagnetic coil and the NTC temperature measurement probe are both electrically connected to the power supply board.

[0032] Furthermore, it further includes a battery pack disposed in the mounting bracket, and the battery pack is electrically connected to the circuit board and the power supply board respectively.

[0033] Furthermore, it further includes a display screen disposed in the second cavity, and the display screen is electrically connected to the power supply board;

[0034] The display screen is used to display the temperature signal detected by the NTC temperature measurement probe.

[0035] In summary, an electromagnetic heating water cup with accurate temperature measurement provided by the present utility model has the following beneficial effects:

[0036] (1) For the electromagnetic heating water cup of the present utility model, the NTC temperature measurement probe made of a non-metallic material is used for temperature detection. Since it is not affected by the electromagnetic field, the temperature measurement accuracy can be ensured; in addition, since there is no need to seal the NTC temperature measurement probe, the overall structure is relatively simple, thereby reducing the cost.

[0037] (2) For the electromagnetic heating water cup of the present utility model, by providing an elastic member, when the base is disposed at the bottom of the cup body, the bottom of the cup body abuts against the NTC temperature measurement probe and drives the NTC temperature measurement probe to move against the elastic force of the elastic member, that is, the NTC temperature measurement probe can always be closely attached to the bottom of the cup body under the elastic force of the elastic member, thereby improving the accuracy and reliability of temperature measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 is an exploded view of the electromagnetic heating water cup of the present utility model;

[0039] Figure 2 is a structural view of the electromagnetic heating water cup of the present utility model;

[0040] Figure 3 is an exploded view of the base in the electromagnetic heating water cup of the present utility model;

[0041] Figure 4 This is a schematic cross-sectional view of the base in the electromagnetic heating water cup of the present utility model;

[0042] Figure 5 This is a schematic cross-sectional view of the electromagnetic heating water cup of the present utility model.

[0043] Among them, the meanings of the reference numerals are as follows:

[0044] 1. Cup body; 11. Water cavity; 2. Base; 21. Electromagnetic coil module; 211. Coil bracket; 212. Electromagnetic coil; 213. Circuit board; 22. Power board; 221. Power input interface; 23. Battery; 24. Upper shell; 241. Installation groove; 2411. Clamping block; 25. Lower shell; 26. Installation bracket; 27. Temperature measurement module; 271. NTC temperature measurement probe; 272. Bracket; 273. Elastic member; 274. Sealing ring; 2741. Card slot; 28. Display screen; 29. Button board; 291. Control button; 3. Cup cover; 31. Pressure relief valve. Detailed implementation manners

[0045] For better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0046] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the referred module or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model.

[0048] Refer to Figures 1-5, the present utility model provides an electromagnetic heating water cup with accurate temperature measurement, which includes a cup body 1 and a base 2 detachably arranged at the bottom of the cup body 1. The cup body 1 is made of stainless steel and has a water cavity 11 inside; the base 2 is internally provided with an electromagnetic coil module 21, and the electromagnetic coil module 21 includes a coil bracket 211, an electromagnetic coil 212 arranged on the coil bracket 211, and a circuit board 213. Thus, when the base 2 is arranged at the bottom of the cup body 1 and the electromagnetic coil 212 is powered, the electromagnetic coil 212 can generate an electromagnetic field in the upward region, and the electromagnetic field forms a magnetic induction current at the bottom of the cup body 1 and makes it heat up, so as to heat the water in the water cavity 11 to achieve boiling or heat preservation.

[0049] Among them, it further includes a temperature measurement module 27 arranged on the top of the base 2. The temperature measurement module 27 includes an NTC temperature measurement probe 271 made of a non-metallic material; thus, when the base 2 is arranged at the bottom of the cup body 1, the NTC temperature measurement probe 271 can directly contact the bottom wall of the cup body 1 to achieve temperature detection. Preferably, the NTC temperature measurement probe 271 is made of a ceramic material with a high thermal conductivity.

[0050] Thus, for the electromagnetic heating water cup of the present utility model, the NTC temperature measurement probe 271 made of a non-metallic material is used for temperature detection. Since it is not affected by the electromagnetic field, its temperature measurement accuracy can be guaranteed; in addition, since there is no need to seal the NTC temperature measurement probe 271, the overall structure is relatively simple, thereby reducing the cost.

[0051] Furthermore, the temperature measurement module 27 further includes a bracket 272 and an elastic member 273 cooperating with the bracket 272. An installation groove 241 is formed on the top of the base 2. The bracket 272 is movably arranged in the installation groove 241 and can move up and down along the axis direction of the installation groove 241; the NTC temperature measurement probe 271 is inserted through the bracket 272; the elastic member 273 is arranged in the installation groove 241, one end of which abuts against the bracket 272, and the other end abuts against the base 2; preferably, the elastic member 273 is a spring.

[0052] Thus, by arranging the elastic member 273, when the base 2 is arranged at the bottom of the cup body 1, the bottom wall of the cup body 1 abuts against the NTC temperature measurement probe 271 and drives the NTC temperature measurement probe 271 to move against the elastic force of the elastic member 273, that is, the NTC temperature measurement probe 271 can always be closely attached to the bottom wall of the cup body 1 under the elastic force of the elastic member 273, thereby improving the accuracy and reliability of temperature measurement.

[0053] In addition, it further includes a sealing ring 274 disposed between the bracket 272 and the mounting groove 241 to form a waterproof seal. The bracket 272 is provided with an annular groove and a stepped surface. The inner side of the sealing ring 274 is sleeved on the annular groove to form a seal, and the outer side of the sealing ring 274 is snap-fitted and fixed on the mounting groove 241 to form a seal. The bracket 272 can move up and down along the axial direction of the mounting groove 241 and abut against the sealing ring 274 through the stepped surface to achieve limiting.

[0054] Wherein, the snap-fitting and fixing between the sealing ring 274 and the mounting groove 241 is achieved through a slot-block snap-fitting structure. The slot-block snap-fitting structure includes a ring-shaped block 2411 disposed on the inner side wall of the mounting groove 241 and a ring-shaped slot 2741 opened on the outer side wall of the sealing ring 274. Thus, the sealing ring 274 can be fixed into the mounting groove 241 through the snap-fitting cooperation between the block 2411 and the slot 2741.

[0055] It should be noted that in other embodiments, the installation positions of the block 2411 and the slot 2741 can also be interchanged, and the same technical effect can be achieved, and there is no limitation here.

[0056] Refer to again Figures 3-5 The base 2 includes an upper shell 24 and a lower shell 25. The upper shell 24 and the lower shell 25 are connected to each other up and down and form an installation cavity inside. The upper shell 24 is provided with the above-mentioned mounting groove 241, and the mounting groove 241 is arranged in a penetrating manner and communicated with the installation cavity. In addition, an installation bracket 26 is further provided inside the installation cavity. The upper end of the installation bracket 26 is connected to the upper shell 24, and a first cavity is formed by enclosing between the two. The electromagnetic coil module 21 is arranged in the first cavity. One end of the elastic member 273 abuts against the bracket 272, and the other end abuts against the installation bracket 26. The lower end of the installation bracket 26 is connected to the lower shell 25, and a second cavity is formed by enclosing between the two. A power supply board 22 is arranged in the second cavity. The power supply board 22 is provided with a power input interface 221 for connecting to an external power supply. The power supply board 22 is electrically connected to the circuit board 213 and the NTC temperature measuring probe 271 respectively.

[0057] Thus, when an external power supply is connected to the power input interface 221, it can supply power to the circuit board 213 and the NTC temperature measuring probe 271.

[0058] In this embodiment, the power input interface 221 is a TYPE-C interface.

[0059] In addition, it further includes a battery 23 disposed within the mounting bracket 26. The battery 23 is electrically connected to the circuit board 213 and the power supply board 22 respectively, so as to supply power to the electromagnetic coil 212. In addition, the power input interface 221 on the power supply board 22 can also charge the battery 23, thereby making the applicable scenarios of the electromagnetic heating water cup more extensive. Users can drink hot water anytime and anywhere, which is relatively convenient and practical.

[0060] In addition, it further includes a display screen 28 disposed within the second cavity. The display screen 28 is electrically connected to the power supply board 22. The display screen is used to display the water temperature signal acquired by the NTC temperature measurement probe 271, so as to facilitate users to obtain the water temperature data within the water cavity 11 in real time. In addition, it further includes a keypad 29 disposed within the second cavity and below the display screen 28. The keypad 29 is electrically connected to the power supply board 22. Control buttons 291 are provided on the keypad 29. Users can adjust the water temperature within the water cavity 11 by pressing the control buttons 291, which is relatively convenient.

[0061] In addition, the electromagnetic heating water cup further includes a cup lid 3 detachably covering the top of the cup body 1. A pressure relief valve 31 for releasing the high-pressure gas within the cup body 1 is provided within the cup lid 3, thereby improving the safety during the water boiling process.

[0062] The working principle of the electromagnetic heating water cup in this embodiment is as follows:

[0063] a. First, start the electromagnetic heating water cup and determine whether an external power supply is inserted into the power input interface 221;

[0064] b. If it is detected that there is no external power supply connected, at this time, the battery 23 supplies power. If the heating function is started, the battery 23 supplies power to the electromagnetic coil 212. After the electromagnetic coil 212 is powered on, it heats the cup body 1. At this time, the heating power ≥ 50w, so as to be able to heat and keep warm the water within the cup body 1;

[0065] c. If it is detected that there is an external power supply connected, at this time, the power supply board 22 supplies power to the electromagnetic coil 212 or the battery 23. If the heating function is started, the power supply board 22 supplies power to the electromagnetic coil 212. After the electromagnetic coil 212 is powered on, it heats the cup body 1. At this time, the heating power ≥ 80w, so as to be able to heat and boil the water within the cup body 1. If the heating function is not started, then the power supply board 22 supplies power to the battery 23 to charge it.

[0066] To sum up, an electromagnetic heating water cup with accurate temperature measurement provided by the present utility model has the following beneficial effects:

[0067] (1) The electromagnetic heating water cup of the present utility model uses an NTC temperature probe 271 made of a non-metallic material for temperature detection. Since it is not affected by the electromagnetic field, the accuracy of temperature detection can be ensured. In addition, since there is no need to seal the NTC temperature probe 271, the overall structure is relatively simple, thereby reducing the cost.

[0068] (2) The electromagnetic heating water cup of the present utility model is provided with an elastic member 273. When the base 2 is disposed at the bottom of the cup body 1, the bottom of the cup body 1 abuts against the NTC temperature probe 271 and drives the NTC temperature probe 271 to move against the elastic force of the elastic member 273, that is, the NTC temperature probe 271 can always be closely attached to the bottom of the cup body 1 under the elastic force of the elastic member 273, thereby improving the accuracy and reliability of temperature detection.

[0069] It should be understood that the orientation or positional relationship indicated by terms such as "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the module or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0070] In addition, in the description of the present utility model, the meaning of "a plurality of" and "several" is two or more, unless otherwise specifically defined.

[0071] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that for those of ordinary skill in the art in the technical field, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present utility model.

Claims

1. An electromagnetic heating water cup with accurate temperature measurement, characterized in that: include: The cup body has a water cavity inside; the cup body is made of stainless steel; A base, which is detachably arranged at the bottom of the cup body; an electromagnetic coil is arranged in the base and can heat the bottom of the cup body; A temperature measuring module is arranged on the top of the base; the temperature measuring module at least comprises an NTC temperature measuring probe made of non-metallic material; Wherein, when the base is arranged at the bottom of the cup body, the NTC temperature measuring probe contacts the bottom wall of the cup body to realize temperature detection.

2. The electromagnetic heating water cup according to claim 1, characterized in that: The NTC temperature measuring probe is made of ceramic material with high thermal conductivity.

3. The electromagnetic heating water cup according to claim 1 or 2, characterized in that: The temperature measurement module further includes a bracket and an elastic member matched with the bracket, wherein: A mounting groove is provided on the top of the base, and the bracket is movably arranged in the mounting groove and can move up and down along the axis direction of the mounting groove; The NTC temperature measuring probe is arranged on the bracket; The elastic member is arranged in the installation groove and one end of the elastic member abuts against the bracket and the other end abuts against the base; Wherein, when the base is arranged at the bottom of the cup body, the bottom of the cup body abuts against the NTC temperature measuring probe and drives the NTC temperature measuring probe to overcome the elastic force of the elastic member and move.

4. The electromagnetic heating water cup according to claim 3, characterized in that: Also included is a sealing ring disposed between the bracket and the mounting groove to form a waterproof seal, wherein: The bracket is provided with an annular groove and a step surface, and the inner side of the sealing ring is sleeved on the annular groove to form a seal; The outer side of the sealing ring is clamped and fixed on the mounting groove to form a seal; The bracket can move up and down along the axial direction of the mounting groove and contact the sealing ring through the step surface to achieve position limiting.

5. The electromagnetic heating water cup according to claim 4, characterized in that: The sealing ring and the mounting groove are fixedly connected by a groove block clamping structure, wherein: The slot block clamping structure comprises a clamping block and a clamping slot that are clamped and matched with each other, one of the clamping block and the clamping slot is arranged on the inner side wall of the installation slot, and the other is arranged on the outer side wall of the sealing ring.

6. The electromagnetic heating water cup according to claim 3, characterized in that: The base comprises an upper shell and a lower shell arranged up and down, the upper shell and the lower shell are connected to each other and form a mounting cavity inside, wherein: The upper shell is provided with the installation groove, which is through-set and communicates with the installation cavity; It also includes a mounting bracket arranged in the mounting cavity, wherein the upper end of the mounting bracket and the interior of the upper shell enclose a first cavity, and the electromagnetic coil is arranged in the first cavity; One end of the elastic member abuts against the bracket, and the other end of the elastic member abuts against the mounting bracket.

7. The electromagnetic heating water cup according to claim 6, characterized in that: It also includes a coil support arranged in the first cavity and a circuit board arranged on the coil support, and the circuit board is electrically connected to the electromagnetic coil.

8. The electromagnetic heating water cup according to claim 7, characterized in that: A second cavity is formed between the lower end of the mounting bracket and the interior of the lower shell, and a power board is arranged in the second cavity, and a power input interface for connecting to an external power supply is arranged on the power board; The electromagnetic coil and the NTC temperature measuring probe are both electrically connected to the power board.

9. The electromagnetic heating water cup according to claim 8, characterized in that: It also includes a battery pack arranged in the mounting bracket, and the battery pack is electrically connected to the circuit board and the power board respectively.

10. The electromagnetic heating water cup according to claim 8, characterized in that: It also includes a display screen disposed in the second cavity, wherein the display screen is electrically connected to the power board; The display screen is used to display the temperature signal detected by the NTC temperature measuring probe.

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