CN207898336U

CN207898336U - A kind of coffee spoon with temperature-prompting function

Info

Publication number: CN207898336U
Application number: CN201720549675.0U
Authority: CN
Inventors: 向英特
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-18
Filing date: 2017-05-18
Publication date: 2018-09-25
Anticipated expiration: 2027-05-18

Abstract

The utility model discloses a kind of coffee spoons with temperature-prompting function, are made of stainless steel spoon, circuit board and handle case；Circuit board includes temperature measuring head, microcontroller, H bridges, vibrating motor, synchronizing voltage converter, charge controller, rechargeable lithium battery and USB plug；Circuit board controls the vibration of coffee spoon by the temperature of Hot Coffee in temperature measuring head measuring cup when temperature drops to temperature indicator set by user, and the cup edge collision of the steel body and coffee cup that make stainless steel spoon emits a dulcet sound；At the same time, coffee spoon does slight small amplitude slip along cup edge to and fro；H bridgings are connected between microcontroller and vibrating motor, for driving vibrating motor to do the rotation of positive and negative rotation under the control of the micro-controller；USB plug is used to charge and connect for rechargeable lithium battery computer and is configured.Advantage is that have the unique sense of hearing, the dual prompt facility of vision, and the utility model is not afraid of washing, it can be achieved that property is strong, is readily produced, is easy to retrofit.

Description

A kind of coffee spoon with temperature-prompting function

Technical field

The utility model belongs to daily necessities field, in particular to a kind of coffee spoon with temperature-prompting function.

Background technology

It is that instant coffee brews conveniently that working clan, which likes the main reason for drinking coffee, and effect of refreshing oneself is good；Coffee is most preferably drunk Temperature varies with each individual, usually between 60 DEG C ~ 70 DEG C；Often due to people are busy with work, it cannot grasp and most preferably drink the moment, no That coffee crosses blanching mouth, be exactly coffee cool off it is very tasty, it is therefore desirable to a kind of temperature-prompting device is busy with work to remind People --- enjoy in time temperature just, the best Hot Coffee of mouthfeel.

Coffee services generally all bands are useful for the coffee spoon of stirring coffee, the coffee that coffee spoon not only can be in stirring cup, also Coffee drinkers are made to show a kind of bearing of gracefulness, it may be said that coffee spoon has become a component part of coffee culture； If increasing temperature-prompting function on coffee spoon, reach the combination of modern intelligence science and technology and traditional culture, slight coffee Coffee spoon makes working clan be easier to obtain the mouthfeel enjoyment in a moment and mental relaxation in busy work.Has the function of temperature-prompting Coffee spoon have an advantage that, be exactly that coffee spoon is placed directly in cup, thermometric is more acurrate, for some fastidious consumers For, it is to suit somebody to a T.

Utility model content

The utility model provides a kind of coffee spoon with temperature-prompting function, can be dropped at a temperature of coffee in coffee cup When temperature indicator set by user, by sending out standby signal with the unique sense of hearing and vision dual mode, have simple, high Effect, interesting feature, also allow for the type product for producing and expanding various appearances.

It is a kind of thinking usually using buzzer sound production prompt, but in view of often to rinse coffee spoon, preferably avoids out Aperture transmits sound, and trepanning also be easy to cause dirt accumulation, therefore the sounding of the utility model will not consider buzzer, but Using other method described below.

The utility model monitors the temperature of coffee in cup by temperature measuring circuit plate is installed in the handle of coffee spoon, when When dropping to temperature indicator set by user at this temperature, the vibration of the vibrating motor built in opening handle makes the steel of stainless steel spoon The edge of body and coffee cup body, which collides with each other, to emit a dulcet sound, this is to remind user with audible means；When control vibration electricity When machine is according to certain frequency shift motor direction of rotation, coffee spoon will do slight small amplitude slip to and fro along cup edge, It gently dances equally in cup like coffee spoon, this is to remind user with visual manner；Both prompting modes exist simultaneously, right For user, the base of a fruit is not in the artistic treat of a pleasant mental and body.

In order to achieve the above object, the utility model uses following scheme：

A kind of coffee spoon with temperature-prompting function, is made of stainless steel spoon, circuit board and handle case；The stainless steel spoon For small spoon made of food-grade stainless steel, after being placed in cup, length is selected such that the steel body energy and cup edge of stainless steel spoon It is in contact；The end of stainless steel spoon is connect with the temperature measuring head on the circuit board, the heat of the stainless steel material of spoon body caffeinated water Amount is efficiently transmitted to temperature measuring head to measure the temperature of coffee；Other than comprising temperature measuring head, the circuit board further includes micro-control Device processed（MCU）, H bridges, vibrating motor, synchronizing voltage converter, charge controller, rechargeable lithium battery and USB plug, their quilts It is mounted on the printed board of a multilayer to high-density（PCB）On；Circuit board by the temperature of Hot Coffee in temperature measuring head measuring cup, when When temperature drops to temperature indicator set by user, the vibration of coffee spoon is controlled, makes the steel body of stainless steel spoon and the cup of coffee cup It emits a dulcet sound along collision；At the same time, coffee spoon does slight small amplitude slip along cup edge to and fro.

Wherein, the vibration of the control coffee spoon, including：The driving vibrating motor rotates and according to frequency F Change the rotation direction of vibrating motor；The vibration as caused by rotating vibrating motor makes the steel body of stainless steel spoon be sent out with cup edge collision Prompt the sound；Turning moment makes coffee spoon be moved to side using spoon point as fulcrum simultaneously；When changing vibrating motor direction of rotation, rotation The direction of torque, which changes, makes coffee spoon be moved to the other side using spoon point as fulcrum；As F where appropriate, coffee spoon occurs with cup edge Collision does slight small amplitude slip to and fro while generating melodious sound, and the frequency of sliding is identical with F；The frequency F exists Between 0.5Hz ~ 5Hz.

The microcontroller receives the temperature value of temperature measuring head measurement, and temperature value and temperature indicator set by user are compared Compared with；If temperature is less than temperature indicator, control signal is sent out to H bridges；H bridges are connected with vibrating motor and vibrating motor are driven to do just The rotation of reversion；Microcontroller includes USB interface（USBinterface）To be attached and by mating with computer Software completes setting；The setting includes：Change the desired temperature indicator value of user, change F；The software kit includes： Driver and setting program, optionally, including upgrading software.

The H bridges be positive and negative rotation of motor drive integrated circult of the field-effect tube as switching tube, be connected to microcontroller with Between vibrating motor, for driving vibrating motor to do the rotation of positive and negative rotation under the control of the micro-controller.

The vibrating motor is vibrating motor for mobile phone, and eccentric mass wheel is carried on motor shaft.

The synchronizing voltage converter is efficient DC/DC DC converters, is gradually declined with usage time for Rechargeable lithium battery voltage transformation to be after fixed voltage the be H bridges power supply so that the rotating property of vibrating motor It is not influenced by cell voltage variation.

The charge controller is used to charge for rechargeable lithium battery.

The USB plug is used to charge and connect for rechargeable lithium battery computer and carries out the setting：It is inserted using USB Head can be inserted in the utility model in the USB jack of computer, while charging to rechargeable lithium battery, utilize mating software The utility model is configured.USB plug is connected inside circuit board with microcontroller, the FLASH journeys built in microcontroller Sequence realizes the interface function of USB2.0 code requirements, and therefore, for computer, the utility model is a pluggable USB Equipment（USBDevice）；Preferably, USB plug is realized by the copper chaff band that printed board etches.

The handle case is made of engineering plastics, ceramics or glass material, with streamlined appearance, hollow handle Shell, for fixing stainless steel spoon and mounting circuit boards；The tail portion of handle case can deviate from, and can expose on circuit board after abjection USB plug, in order to carry out charging to rechargeable lithium battery or carry out the setting by software kit.

By changing the shape, length and the material and appearance that change handle of stainless steel spoon, manufacturer can be easily Create the type product of various series, such as ceramic handle series, plastic handle series, Changshao series, short spoon series, Chinese zodiac system Row, cartoon series etc..

The advantageous effect that the utility model is brought is：Make full use of the kettleholder inner space of coffee spoon that temperature-prompting electricity is installed Road plate, circuit board are dexterously sent out by stainless steel spoon and cup edge collision with the rotation direction of certain FREQUENCY CONTROL vibrating motor So that coffee spoon is moved back and forth in cup edge using spoon point as fulcrum while going out music, is realized simultaneously in a manner of most simple and direct The dual prompt of the sense of hearing and vision, this prompt make coffee spoon appear like dancing equally, give the temperament and interest of other style；This reality Washing is not afraid of, it can be achieved that property is strong with novel, is readily produced, is easy to retrofit.

Description of the drawings

Attached drawing 1 is the structural schematic diagram of the utility model；

In Fig. 1：

10-stainless steel spoons；

21-temperature measuring heads, 22-microcontrollers, 23-H bridges, 24-vibrating motors, 25-synchronizing voltage converters, 26- Charge controller, 27-rechargeable lithium batteries, 28-USB plugs, 29-printed boards；

31-upper covers, 32-lower covers, 32a-slot, 33-tail-hoods.

Specific implementation mode

It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing 1 to be used is briefly described, and is appended Fig. 1 and is described further to scheme.

The utility model is made of three parts：Stainless steel spoon 10, circuit board 20 and handle case 30；Wherein, circuit board 20 wraps It includes：It is temperature measuring head 21, microcontroller 22, H bridges 23, vibrating motor 24, synchronizing voltage converter 25, charge controller 26, chargeable Lithium battery 27, USB plug 28 and printed board 29；Handle case 30 includes：Upper cover 31, lower cover 32 and tail-hood 33.

Circuit board 20 is the component part of most critical, and referring to attached drawing 1, temperature measuring head 21 uses the integrated circuit of TO-92 encapsulation, Lateral recumbent posture it is mounted on the front end of circuit board 20；The end of stainless steel spoon 10 is compressed in thermometric face and the printed board of temperature measuring head 21 Between 29, assembly method is：When making it be fixed in the slot 32a that circuit board 20 is inserted into lower cover 32；In advance stainless A little heat-conducting cream is smeared on the contact surface of steel spoon 10 and temperature measuring head 21, and stainless steel spoon 10 is then inserted into thermometric from front to back Between first 21 and printed board 29, in upper cover 31 clinching to lower cover 32；Stainless steel spoon 10 is put well vertically again, makes spoon point direction Under, it is dried after injection epoxide-resin glue in the bottom case that upper cover 31 and lower cover 32 are constituted with syringe, epoxy resin is temperature measuring head 21, the end of stainless steel spoon 10, the front end of circuit board 20, upper cover 31, lower cover 32 are fixed together；It should be noted asphalt mixtures modified by epoxy resin when cast Fat cannot be excessive, as long as flooding temperature measuring head 21, cannot be poured into vibrating motor 24.

From attached drawing 1 as it can be seen that temperature measuring head 21, microcontroller 22, H bridges 23, vibrating motor 24, synchronizing voltage converter 25, filling The electronic devices such as electric controller 26, rechargeable lithium battery 27 are mounted in printed board 29 to high-density；To reduce size, thermometric First 21 directly use the thermometric integrated circuit of digital temperature output, use DS18B20 in the present embodiment, other classes can also be used As integrated circuit, such as DS1620 can also use the thermometric integrated circuit of analog voltage output, such as LMT85, as long as matching The microcontroller 22 of set has the ability of built-in A/D converter；Microcontroller 22 can be used STM32L052C8, NUC120LC1BN, C8051F320 etc. carry the low power consumption CPU of USB interface, and the integrated electricity of the bluetooth with USB interface can also be used Road, because itself is a the microcontrollers of high-performance low-power-consumption for Bluetooth integrated circuit；There are one flexible microcontrollers Selection scheme exactly turns USB set using serial ports and is combined with common low-power consumption microcontroller at circuit；Microcontroller 22 selects another One demand is to work with low power, can be only default in a small amount of time within the most of the time in a dormant state When wake up execute temperature detection task, to reach energy-efficient purpose；H bridges should use the integrated electricity of the only several μ A of standby current Road, such as L7010R, L9110S etc.；The vibrating motor of mobile phone, electric current, rotating speed, vibration ability may be selected in vibrating motor 24 It should select meticulously and repetition test so that match with the length and weight of stainless steel spoon 10, to reach, sound is melodious, sliding Natural effect；It notices that vibrating motor 24 is mounted on the position for deviateing axis, is arranged so the rotary force so that vibrating motor Square is stronger；Synchronizing voltage converter 25 selects the integrated circuit that can be worked normally under direct current 2V low-voltages, to reach longer Battery durable ability, which can select TPS61030, BL8531, SX1308；Charge controller 26 is available Model it is very much, such as CN3063, YZ4054 etc..

It should be noted that unless stated otherwise, the placement position of electronic component is only used for principle and says on circuit board 20 It is bright, layout should be designed from the optimization angle of circuit structure, for example integrated circuit is mounted on the reverse side of circuit board, The utility model, which is not done, makes this limitation；In addition, for the sake of illustrating for clarity, it is general to eliminate resistance, capacitance and inductance etc. Logical electronic component.

From attached drawing as it can be seen that in this example, USB plug 28 is realized by the copper foil being etched in printed board 29；At it The USB connectors that shelf form can be used in his embodiment are realized, if using the USB connectors of Mini forms, allow to increase One patchcord connects USB plug 28 and computer.

It is worth noting that, synchronizing voltage converter 25 and charge controller 26 may be used be provided simultaneously with power conversion and The integrated circuit of charging control function, such as TP5410；Separated them in the present embodiment is to more concisely illustrate work Principle is to use independent integrated circuit or the integrated circuit using complex function, should be in exploitation depending on feelings, this practicality It is novel without limitation.

From attached drawing 1 as it can be seen that rechargeable lithium battery 28 uses the battery of button shape, the lithium electricity of square shape can also be used Pond；To improve battery capacity, allow the battery of two same models connect 0.5 Ω power resistor after it is used in parallel.

In the present embodiment, for convenience of description, handle shell 30 is designed as three decomposable component parts, wherein upper cover 31 and lower cover 32 it is separable, but the utility model is not intended to limit handle case must upper cover 31 and lower cover 32, allows 31 He of upper cover Lower cover 32 is manufactured to an entirety；It can be seen that from attached drawing 1, tail-hood 33 can be pulled up, and allow to expose USB plug after pulling up tail-hood 33 28；Preferably, increase O-ring seal between tail-hood 33 and upper cover 31, lower cover 32 to enhance waterproof ability；Clearly to have illustrated See, O-ring seal is omitted in attached drawing 1.

It should be noted that the utility model is suitable for ceramic cup and glass, it is not suitable for the discomforts such as dixie cup, plastic cup Close the coffee cup of sounding.

It should be noted that microcontroller is changed to Bluetooth chip, it is changed to pass through bluetooth being configured by USB interface It connects to be arranged, because it substantially belongs to the minor alteration of connection type, the scope of protection of the utility model can not be broken through.

It should be noted that wireless charging is changed to by USB plug charging, because only the small of charging modes changes Become, the scope of protection of the utility model can not be broken through.

Claims

1. a kind of coffee spoon with temperature-prompting function, it is characterised in that：It is made of stainless steel spoon, circuit board and handle case；Institute It is small spoon made of food-grade stainless steel to state stainless steel spoon, and after being placed in cup, length is selected such that the steel of stainless steel spoon Physical efficiency is in contact with cup edge；The end of stainless steel spoon is connect with the temperature measuring head on the circuit board；Other than comprising temperature measuring head, The circuit board further includes microcontroller, H bridges, vibrating motor, synchronizing voltage converter, charge controller, rechargeable lithium battery And USB plug, they are mounted in the printed board of a multilayer to high-density；Circuit board passes through coffee in temperature measuring head measuring cup Temperature control the vibration of coffee spoon when temperature drops to temperature indicator set by user, make the steel body and coffee of stainless steel spoon The cup edge collision of coffee cup emits a dulcet sound；At the same time, coffee spoon does slight small amplitude slip along cup edge to and fro.

2. coffee spoon according to claim 1, which is characterized in that the vibration of the control coffee spoon, including：Driving institute The vibrating motor stated rotates and changes the rotation direction of vibrating motor according to frequency F；The frequency F 0.5Hz ~ 5Hz it Between.

3. coffee spoon according to claim 1, which is characterized in that the H bridges are motor of the field-effect tube as switching tube Positive and negative rotation drive integrated circult；The vibrating motor is vibrating motor for mobile phone；The synchronizing voltage converter is efficient DC/ DC DC converters.

4. coffee spoon according to claim 1, which is characterized in that the USB plug is used to charge for rechargeable lithium battery And connection computer is configured；The setting includes：Change the desired temperature indicator value of user, change frequency F.

5. coffee spoon according to claim 1, which is characterized in that the handle case is engineering plastics, ceramics or glass material Made of material, with streamlined appearance, hollow handle casing.