CN209235791U - A kind of anti-overflow glass heating kettle of wireless temperature-sensitive - Google Patents

Abstract

The utility model discloses a kind of anti-overflow glass heating kettle of wireless temperature-sensitive.The anti-overflow glass heating kettle includes pedestal, the heat-generating disc for being set on the base end face, the pot handle that can be placed in the glass pot body heated on heat-generating disc and be fixed on glass pot body lateral wall, the radio temperature sensor that is built in pot handle and be arranged in pedestal causes water or food to overflow the control circuit board of glass pot body for the heating power according to the intracorporal practical heating and temperature control heat-generating disc of glass pot to prevent from occurring during heating acutely boiling, and radio temperature sensor wirelessly communicates with control circuit board and is connected.The utility model keeps glass pot body separately positioned with the pedestal cocoa with heat-generating disc and there is no positioning to need to user-friendly using the radio temperature sensor practical heating temperature intracorporal to glass pot being built in pot handle.

Description

A kind of anti-overflow glass heating kettle of wireless temperature-sensitive

Technical field

The utility model relates to household electrical appliance, more particularly, to a kind of anti-overflow glass heating kettle of wireless temperature-sensitive.

Background technique

Existing heating kettle is typically provided anti-spilling structure to ensure that water or food are added to certain temperature appearance in heating kettle The anti-spilling structure that does not overflow when boiling and prevent the Anti-overheating structure of dry combustion method occur without thing in heating kettle, to improve plus Hot pot using safe.

By taking the health-promotion kettle using glass pot body structure as an example.In order to anti-spilled, existing health-promotion kettle commonly uses two probes to pot Interior liquid level is detected, and a probe is set to bottle body bottom, and another probe is set at the top of bottle body.Since bottle body bottom probe needs It to be contacted with liquid level always, long-term work will lead to probe oxidation fouling, the accuracy of probe in detecting be influenced, so as to cause control The erroneous judgement of device is to be easy to appear spillover.In addition, bottom of the pot is needed using METAL HEATING PROCESS bottom, so as to cause glass pot entirety Structure is complicated and the heavy inconvenient user of feel uses.

Utility model content

The utility model proposes a kind of anti-overflow glass heating kettles of wireless temperature-sensitive, make glass pot body and the pedestal with heat-generating disc Cocoa is separately positioned and there is no positioning to need to user-friendly.

The utility model adopts the following technical solution realizes: a kind of anti-overflow glass heating kettle of wireless temperature-sensitive, including pedestal 1, the heat-generating disc 2 of 1 upper surface of pedestal is set, can be placed in the glass pot body 3 heated on heat-generating disc 2 and be fixed on glass pot The pot handle 4 of 3 lateral wall of body is built in pot handle 4 for detecting the wireless temperature of the practical heating temperature in glass pot body 3 Sensor 5 and it is arranged in pedestal 1 for according to the heating function of the practical heating and temperature control heat-generating disc 2 in glass pot body 3 Rate causes water or food to overflow the control circuit board of glass pot body 3 to prevent from occurring during heating acutely boiling, and wireless Temperature sensor 5 is connected with control circuit board wireless communication.

Wherein, radio temperature sensor 5 is arranged in the lower end of pot handle 4, the temperature-sensing probe of radio temperature sensor 5 51 contact setting close to 3 lateral wall of glass pot body or with 3 lateral wall of glass pot body.

Wherein, since the lower end of pot handle 4 is located at middle part or the middle part position on the lower side of glass pot body 3, wireless temperature is passed The temperature-sensing probe 51 of sensor 5 is against the middle part of glass pot body 3 or middle part position on the lower side.

Wherein, pot handle 4 includes the lower end for being fixed on the handle body 41 of 3 lateral wall of the glass pot body handle body 41 The accommodating chamber 412 being equipped with, radio temperature sensor 5 are arranged in accommodating chamber 412.

Wherein, the upper end of the handle body 41 is equipped with hook 411, which is articulated in the upper end of glass pot body 3 Edge；The lateral wall of glass pot body 3 is arranged with retainer plate 32, and lower end and the retainer plate 32 of handle body 41 are fixedly linked.

Wherein, retainer plate 32 is equipped with fixed part 321, which is equipped with fixation hole 322；The inside of retainer plate 32 Face is equipped with the fixed block 33 with evagination screw hole 331；By screw 34 pass through after accommodating chamber 412 and fixation hole 322 with fixed block 33 Evagination screw hole 331, which screws togather, to be connected so that the lower end of handle body 41 and retainer plate 32 to be fixedly linked.

Wherein, gasket 42 is equipped between handle body 41 and the lateral wall of glass pot body 3, the lower end of gasket 42 is equipped with Through-hole 421, the fixed part 321 of circle 32 is removably fixedly linked after through-hole 421 with the lower end of handle body 41 surely.

Wherein, control circuit board includes the power supply circuit 61 being connected with external communication electricity AC and 5 nothing of radio temperature sensor The power governor 65 that line communicates connected governor circuit 62, concatenates with heat-generating disc 2, the control terminal of the power governor 65 and master The one of control port for controlling circuit 62 is connected, and heat-generating disc 2 is serially connected between two output ends of power supply circuit 61.

Wherein, governor circuit 62 includes single-chip microcontroller and the wireless communication chips being connected with single-chip microcontroller, should be by wirelessly communicating Chip is wirelessly connected with radio temperature sensor 5；And power governor 65 be it is silicon-controlled, one of port of single-chip microcontroller with can The control terminal for controlling silicon is connected.

Compared with prior art, the utility model has the following beneficial effects:

1. the anti-overflow glass heating kettle of the utility model is using the radio temperature sensor being built in pot handle to glass Pot intracorporal practical heating temperature establishes wireless communication between the control circuit board in radio temperature sensor and pedestal, thus Glass pot body or pot handle allow glass pot body and pedestal formation two can it is not necessary that there are conducting wires or coupler to be connected between pedestal Isolated component, thus allow anti-overflow glass heating kettle it is whole it is succinct, using safe and be easy to carry out glass pot body and heat-generating disc Cleaning.

3. anti-overflow glass heating kettle without temperature sensor with the intracorporal reality of accurate detection glass pot by that can be heated Temperature, and when practical heating temperature is close to preset heating target temperature T0, control heat-generating disc reduces heating power to prevent The intracorporal water of glass pot or food, which are boiling over, reaches anti-overflow effect, and reaches default in the intracorporal practical heating temperature of glass pot Heating target temperature T0 when make heat-generating disc stop heating to prevent dry combustion method, it is ensured that the use reliability and safety of glass heating kettle Property.

3. radio temperature sensor is built in the lower end of pot handle, it is not take up space and the outside close to glass pot body Wall will not be by the too many accuracy influenced so as to ensure testing result of heat-generating disc.

4. being integrated heat-generating disc and glass pot body setting due to not needing similar traditional methods to keep in good health's pot, do not need as adopting yet The induction fever bottom to be generated heat with the glass pot body bottom setting induction of induction heating, and glass pot body can arbitrarily be placed in hair The placements such as positioning or direction problem may be not present in hot plate, so as to make glass pot body structure simple and small and exquisite to facilitate user It uses.

Detailed description of the invention

Fig. 1 is the dimensional decomposition structure diagram of glass heating kettle.

Fig. 2 is the decomposition texture schematic diagram of glass pot body.

Fig. 3 is the structural schematic diagram of glass heating kettle.

Fig. 4 is the enlarged diagram of perspective partial A in Fig. 3.

Fig. 5 is the schematic block circuit diagram of control circuit board.

Specific embodiment

Further to illustrate that the application is the technical means and efficacy reaching predetermined purpose and being taken, below in conjunction with attached drawing And preferred embodiment, to specific embodiment, structure, feature and its effect according to the application, detailed description is as follows.Following In explanation, what different " embodiment " or " embodiment " referred to is not necessarily the same embodiment.In addition, in one or more embodiments Special characteristic, structure or feature can be combined by any suitable form.

Referring to figs. 1 and 2.The utility model discloses a kind of anti-overflow glass heating kettle of wireless temperature-sensitive, including pedestal 1, the heat-generating disc 2 of 1 upper surface of pedestal is set, can be placed in the glass pot body 3 heated on heat-generating disc 2, be fixed on glass pot body 3 The pot handle 4 of lateral wall is built in pot handle 4 for detecting the wireless temperature biography of the practical heating temperature in glass pot body 3 Sensor 5 and it is arranged in pedestal 1 for according to the heating power of the practical heating and temperature control heat-generating disc 2 in glass pot body 3 Water or food is caused to overflow the control circuit board of glass pot body 3, and wireless temperature to prevent from occurring during heating acutely boiling Degree sensor 5 is connected with control circuit board wireless communication.

Wherein, radio temperature sensor 5 is using any a existing product that can be purchased from existing market, wireless temperature Existing any wireless communication such as Zigbee, WiFi or 433MHz less radio-frequency is used between sensor 5 and control circuit board Connection.If also, the temperature-sensing probe 51 of radio temperature sensor 5 is by infrared sensing temperature, radio temperature sensor 5 It is arranged in pot handle 4 and temperature-sensing probe 51 is not necessarily to contact setting with 3 lateral wall of glass pot body.If radio temperature sensor 5 Temperature-sensing probe 51 is using PTC thermistor, then radio temperature sensor 5 is arranged in pot handle 4 and temperature-sensing probe 51 need to be with The contact setting of 3 lateral wall of glass pot body.Furthermore radio temperature sensor 5 is arranged in the lower end of pot handle 4, due to pot handle The lower end of hand 4 is normally at middle part or the middle part position on the lower side of glass pot body 3, so as to allow radio temperature sensor 5 Temperature-sensing probe 51 is against the middle part of glass pot body 3 or middle part position on the lower side.

It should be noted that radio temperature sensor 5 detect be glass pot body 3 lateral wall temperature, glass pot body 3 Lateral wall temperature and glass pot body 3 in the practical heating temperature of food or water have a certain distance, exist between the two Certain proportionality coefficient or difference determines after can first passing through test in advance.Therefore, the utility model said radio temperature sensor 5 Testing result refers to after the outside wall temperature to the middle part of glass pot body 3 or middle part position on the lower side by predetermined ratio system The practical heating temperature of food or water in the glass pot body 3 that several or difference converts.

Further combined with shown in Fig. 3 and Fig. 4.Pot handle 4 includes handle body 41 and can cover conjunction in handle body 41 Handle end cap 43；The upper end of the handle body 41 is equipped with the hook 411 that can be articulated in 3 upper edge of glass pot body, the handle sheet The accommodating chamber 412 that the lower end of body 41 is equipped with, wherein radio temperature sensor 5 is arranged in the accommodating chamber 412 and passes through folder The modes such as dress, dispensing fixation are fixed in accommodating chamber 412 and make temperature-sensing probe 51 against 3 lateral wall of glass pot body or even and glass Setting is contacted between 3 lateral wall of kettle body；3 lateral wall of glass pot body is equipped with cricoid limiting slot 31, which is located at glass Middle part or the middle part position on the lower side of kettle body 3, are arranged with retainer plate 32, the lower end of handle body 41 and fixation on limiting slot 31 Circle 32 removably are fixedly linked and the upper end of handle body 41 by hook 411 be articulated in 3 upper edge of glass pot body to Realize the lateral wall that handle body 41 is fixed on to glass pot body 3.

Wherein, retainer plate 32 is equipped with fixed part 321, which is equipped with fixation hole 322, is passed through using screw 34 The accommodating chamber 412 of 41 lower end of handle body is screwed togather with fixation hole 322 to be connected, thus by 41 lower end of handle body and retainer plate It is fixedly linked between 32 fixed part 321.In order to improve the firmness of the connection between 41 lower end of handle body and retainer plate 32, Fixed part 321 is arranged from evagination on retainer plate 32, is equipped with the fixed block 33 with evagination screw hole 331 in the medial surface of retainer plate 32, Screw 34, which screws togather after accommodating chamber 412 and fixation hole 322 with the evagination screw hole 331 of fixed block 33, to be connected.

Also, gasket 42 is equipped between handle body 41 and the lateral wall of glass pot body 3, gasket 42 generally uses rubber Or silica gel material is made to improve the bonding tightness between handle body 41 and the lateral wall of glass pot body 3, and gasket 42 Lower end is equipped with through-hole 421, and the fixed part 321 of circle 32 is detachable with the lower end of handle body 41 after the through-hole 421 surely Be fixedly linked.Certainly, the temperature-sensing probe 51 of radio temperature sensor 5 also by through-hole 421 against 3 lateral wall of glass pot body very Extremely setting is contacted between 3 lateral wall of glass pot body.

Control circuit board includes: the power supply circuit 61 being connected with external communication electricity AC, and heat-generating disc 2 concatenates power governor 65 It is connected to two output ends of power supply circuit 61 afterwards；The governor circuit 62(such as master control being connected with the output end of power supply circuit 61 Circuit 62 is single-chip computer and its peripheral circuit), the practical heating temperature in the detected glass pot body 3 of radio temperature sensor 5 Degree evidence sends governor circuit 62, and the control terminal phase of one of control port of governor circuit 62 and power governor 65 to Even change the power of heat-generating disc 2 to generate control signal by power governor 65.It is concatenated furthermore it is also possible to be arranged with heat-generating disc 2 Temperature controller 64, one of control port of the control terminal of the temperature controller 64 and governor circuit 62.

For example, it is the single-chip microcontroller of STC89C52 and the spi bus interface with the single-chip microcontroller that governor circuit 62, which includes model, Connected wireless communication chips, such as wireless communication chips are NRF24L01 chips using model, by wireless communication chips and nothing Line temperature sensor 5 establishes wireless communication to receive the testing result of the transmission of radio temperature sensor 5, and it is logical to will test result The spi bus interface crossed sends single-chip microcontroller to, so that single-chip microcontroller can know the practical heating temperature in glass pot body 3 in real time. Wherein, specifically how to be connected with each pin of STC89C52 single chip in relation to NRF24L01 chip, NRF24L01 chip how with nothing Line temperature sensor 5 establishes the common knowledge that the technological means such as wireless communication are those skilled in the art, herein without being described in detail.

Wherein, the control terminal of temperature controller 64 is connected with the port P1.0 of single-chip microcontroller, when governor circuit 62 judges glass pot body 3 The heating temperature control signal that output disconnects temperature controller 64 when reaching set temperature, so that heat-generating disc 2 be allowed to disconnect and power supply Circuit 61 is connected, and heat-generating disc 2 is avoided to continue to generate heat；Power governor 65 be it is silicon-controlled, the port P2.0 of single-chip microcontroller with it is silicon-controlled Control terminal be connected, the port P2.0 of single-chip microcontroller can export the control signal of different duty make silicon-controlled correspondence have not Same turn-on time achievees the purpose that the heating power for changing heat-generating disc 2.

Therefore, the utility model can detect the practical heating temperature in glass pot body 3 according to radio temperature sensor 5 It is adjusted by heating power of the power governor 65 to heat-generating disc 2: if the water or food in glass pot body 3 are reaching boiling Stop when rising degree or indirect heating makes boiling degree in pot less violent, reaches no-spill effect and ensure glass pot body Water or food in 3 can be not in the phenomenon that boiling not open by heating enough；If not adding water or water in glass pot body 3 Very few stopping heating is to achieve the effect that anti-dry.

For example, the glass heating kettle of the utility model is during heating according in glass pot body 3 in a representative instance Practical heating temperature anti-overflow computer heating control is realized by the heating power of regulation heating disk 2, it is specific as follows: user selection plus After Hot dishes list (for example heat up water, cook gruel), governor circuit 62 obtains the default heating target temperature T0 of the heating menu, so Afterwards, governor circuit 62, which exports first control signal, heats heat-generating disc 2 by rated power P0 to power governor 65, because This, the practical heating temperature of glass pot body 3 can gradually rise；When the practical heating temperature in glass pot body 3 reaches T1, master control Circuit 62, which exports second control signal, reduces heat-generating disc 2 by heating power to P1 to power governor 65；When in glass pot body 3 When practical heating temperature reaches T2, governor circuit 62 exports third control signal keeps heat-generating disc 2 further to power governor 65 Reduce heating power P2, therefore, P2 < P1 < P0；When the practical heating temperature in glass pot body 3 reaches T3(0 < T1 < T2 < T3 < T0) when, governor circuit 62 exports the 4th control signal within a preset period of time makes heat-generating disc 2 by adding to power governor 65 Thermal power P3(P3≤P2) carry out intermittent heating.

Assuming that first control signal allows the turn-on time within the unit time of power governor 65 to be 100% when rated power P0, Therefore, if when P1=0.8P0, it is only necessary to make second control signal that the turn-on time within the unit time of power governor 65 be allowed to be 80% ?.And so on, no longer illustrate one by one.

For example, it is to cook gruel that user, which selects heating menu, heating target temperature T0=100 DEG C.When beginning, heat-generating disc 2 is carried out entirely Power (rated power) P0 is heated.When the practical heating temperature in glass pot body 3 reaches 80-85 DEG C, (i.e. T1 is 80-85 DEG C) when, make heat-generating disc 2 by 2/3 heating (i.e. P1=2/3P0) of rated power P0 to prevent 2 temperature of heat-generating disc is excessively high cannot be effective Control the heating temperature in glass pot body 3；When the practical heating temperature in glass pot body 3 reaches 92-96 DEG C, (i.e. T2 is 92-96 DEG C) when, so that heat-generating disc 2 is heated (i.e. P2=1/2P0) by the 1/2 of rated power P0；After reduction heating power is heated, glass Practical heating temperature in glass kettle body 3 continues to rise when reaching 98-99 DEG C (i.e. T3 be 98-99 DEG C), the starting of governor circuit 62 one A duration 20-30 minutes countdown timers enter intermittent heating period, i.e. rated power in timing (i.e. P3=1/2P0) is heated 28 seconds, is then interrupted 18 seconds, recycles a process again in next step, repeatedly, allows glass always Water or food in glass kettle body 3 keep mild fire heating to prevent from being excessively boiling over, and realize anti-overflow computer heating control.

Certainly, the practical heating temperature in glass pot body 3 reaches preset heating target temperature T0, and governor circuit 62 produces The raw control signal for disconnecting temperature controller 64, the disconnection of temperature controller 64 disconnect heat-generating disc 2 with power supply circuit 61 to which heat-generating disc 2 stops It only generates heat, to avoid that dry combustion method or the overheat of heat-generating disc 2 occurs.

The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.

Claims (9)

1. a kind of anti-overflow glass heating kettle of wireless temperature-sensitive, including pedestal (1), setting pedestal (1) upper surface heat-generating disc (2), the glass pot body (3) heated on heat-generating disc (2) and the pot handle for being fixed on glass pot body (3) lateral wall be can be placed in (4), which is characterized in that further include: it is built in pot handle (4) for detecting the practical heating temperature in glass pot body (3) Radio temperature sensor (5) and setting are used to be sent out according to the practical heating and temperature control in glass pot body (3) in pedestal (1) The heating power of hot plate (2) causes water or food to overflow glass pot body (3) to prevent from occurring during heating acutely boiling Control circuit board, and radio temperature sensor (5) is connected with control circuit board wireless communication.

2. the anti-overflow glass heating kettle of wireless temperature-sensitive according to claim 1, which is characterized in that radio temperature sensor (5) It is arranged in the lower end of pot handle (4), the temperature-sensing probe (51) of radio temperature sensor (5) is on the outside of glass pot body (3) Wall contacts setting with glass pot body (3) lateral wall.

3. the anti-overflow glass heating kettle of wireless temperature-sensitive according to claim 1, which is characterized in that due under pot handle (4) End is located at middle part or the middle part position on the lower side of glass pot body (3), the opposite glass of the temperature-sensing probe (51) of radio temperature sensor (5) Middle part or the middle part position on the lower side of glass kettle body (3).

4. the anti-overflow glass heating kettle of wireless temperature-sensitive according to claim 1, which is characterized in that pot handle (4) includes fixing In the accommodating chamber (412) that the lower end of the handle body (41) of glass pot body (3) lateral wall handle body (41) is equipped with, wirelessly Temperature sensor (5) setting is in accommodating chamber (412).

5. the anti-overflow glass heating kettle of wireless temperature-sensitive according to claim 4, which is characterized in that the handle body (41) it is upper End is equipped with hook (411), which is articulated in the upper edge of glass pot body (3)；The lateral wall set of glass pot body (3) Equipped with retainer plate (32), lower end and the retainer plate (32) of handle body (41) are fixedly linked.

6. the anti-overflow glass heating kettle of wireless temperature-sensitive according to claim 5, which is characterized in that retainer plate (32), which is equipped with, to be fixed Portion (321), the fixed part (321) are equipped with fixation hole (322)；The medial surface of retainer plate (32) is equipped with band evagination screw hole (331) Fixed block (33)；Accommodating chamber (412) and fixation hole (322) the evagination screw hole with fixed block (33) afterwards are passed through by screw 34 (331) it screws togather and is connected so that the lower end of handle body (41) and retainer plate (32) to be fixedly linked.

7. the anti-overflow glass heating kettle of wireless temperature-sensitive according to claim 6, which is characterized in that in handle body (41) and glass Gasket (42) are equipped between the lateral wall of glass kettle body (3), the lower end of gasket (42) is equipped with through-hole (421), fixed to enclose consolidating for (32) Determine portion (321) to be removably fixedly linked across the lower end of through-hole (421) afterwards with handle body (41).

8. the anti-overflow glass heating kettle of -7 any one wireless temperature-sensitives according to claim 1, which is characterized in that control circuit Plate includes the power supply circuit (61) being connected with external communication electricity AC, with radio temperature sensor (5) wirelessly communicates the master control that is connected Circuit (62), the power governor (65) concatenated with heat-generating disc (2), the control terminal and governor circuit of the power governor (65) (62) one of control port is connected, and heat-generating disc (2) is serially connected between two output ends of power supply circuit (61).

9. the anti-overflow glass heating kettle of wireless temperature-sensitive according to claim 8, which is characterized in that governor circuit (62) includes single Piece machine and the wireless communication chips being connected with single-chip microcontroller, should be by wireless communication chips and radio temperature sensor (5) wireless phase Even；And power governor (65) be it is silicon-controlled, one of port of single-chip microcontroller is connected with silicon-controlled control terminal.