CN208160540U - Instant heating type heating device and automatic milk punching machine - Google Patents
Instant heating type heating device and automatic milk punching machine Download PDFInfo
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- CN208160540U CN208160540U CN201720699241.9U CN201720699241U CN208160540U CN 208160540 U CN208160540 U CN 208160540U CN 201720699241 U CN201720699241 U CN 201720699241U CN 208160540 U CN208160540 U CN 208160540U
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Abstract
The utility model discloses a kind of instant heating type heating device and automatic milk punching machine.Instant heating type heating device includes water pump, water pipe inlet segment, water inlet end temperature sensor, Water pipe heating section, heater element, water pipe water exit end, water outlet temperature sensor, power control board and micro-control unit, the water that heater element flows through Water pipe heating section includes pre-heat phase and heating period when being heated, and is carried out control as follows by micro-control unit：In pre-heat phase, micro-control unit controls water pump is closed, and is controlled heater element and heated the predetermined time to Water pipe heating section with the first power；In the heating period, micro-control unit controls water pump, which is opened, to be supplied water with predetermined water speed to Water pipe heating section, and is controlled heater element and heated with the second power to Water pipe heating section.The utility model can be improved the control precision of output water temperature, to improve the quality of the milk reconstituted.
Description
Technical field
The utility model relates to powder beverage brewing device technical field more particularly to a kind of instant heating type heating device and certainly
Dynamic milk maker.
Background technique
What the hot water supply of existing semi- or fully automated milk maker generallyd use is thermostatic type, i.e., heating is arranged in water tank
Device makes the normal phase of the water in water tank be maintained at set temperature, such heater it is non-brew milk during need prolonged and repeated work,
Electric energy is not only wasted, and be easy to cause the damage of heater, in addition, the water in water tank causes water quality to become by prolonged and repeated heating
It is bad, influence the milk quality for reconstituting out.And at present instant heating type automatic milk punching machine be usually heating device begin to warm up it is same
Shi Kaiqi water pump, the water that will lead to heating early period in this way cannot reach scheduled target temperature, and the water temperature control of heating device is not
It is enough accurate, influence the quality for the milk for reconstituting out.
Utility model content
The main purpose of the utility model is to provide a kind of instant heating type heating device and automatic milk punching machines, it is intended to improve out
The control precision of water water temperature, to improve the quality of the milk reconstituted.
To achieve the goals above, the utility model provides a kind of instant heating type heating device, the instant heating type heating device
Including water pump, water pipe inlet segment, water inlet end temperature sensor, Water pipe heating section, heater element, water pipe water exit end, water outlet temperature
Degree sensor, power control board and micro-control unit, one end of the water pump are added by the water pipe inlet segment with the water pipe
The water inlet end of hot arc is connected, and the other end of the water pump with a water tank for being connected, the water pipe water exit end and the water pipe
The water outlet of bringing-up section is connected, and the heater element is used to heat the water for flowing through the Water pipe heating section, the water pump,
Heater element and micro-control unit are electrically connected with the power control board to be powered control by the power control board
System, the water inlet end temperature sensor are used to sense the inlet water temperature of the water inlet end of the Water pipe heating section, the water outlet temperature
Degree sensor is used to sense the output water temperature of the water outlet of the Water pipe heating section, and the heater element flows through the Water pipe heating
The water of section includes pre-heat phase and heating period when being heated, and is carried out control as follows by the micro-control unit：
In the pre-heat phase, water pump described in the micro-control unit controls is closed, and control the heater element with
First power heats the predetermined time to the Water pipe heating section；
In the heating period, water pump described in the micro-control unit controls is opened with predetermined water speed to the Water pipe heating
Section supplies water, and controls the heater element and heated with the second power to Water pipe heating section.
Preferably, in the pre-heat phase, the predetermined time t is calculated using following formula：
T=(Ts-T1) * J1/ (P1*K) (1)
In above formula (1), Ts is preset target water temperature；T1 is initial temperature of the heater element before being heated；J1
It is the energy of water 1 DEG C of needs of heating in heater element and Water pipe heating section；P1 is first power, using heater element
Total power；K is the heating efficiency of heater element.
Preferably, in the heating period, using following formula into calculate the water for flowing through Water pipe heating section is heated to it is pre-
If target water temperature Ts needed for heating power P2：
P2=(Ts-Ti) * Cw*a/K (2)
In above formula (2), Ts is preset target water temperature；Ti is the inlet water temperature of the water inlet end of the Water pipe heating section；Cw
For the specific heat capacity of water；A is the predetermined water speed；K is the heating efficiency of heater element；
Heating power P2 is added directly as second power or as described after being modified to heating power P2
Thermal power P2.
Preferably, the heater element be spiral heat-generating pipe, the Water pipe heating section in the shape of a spiral and with it is described
The periphery of heat-generating pipe parallel arranged, the Water pipe heating section and heat-generating pipe is coated with metallic cover part.
Preferably, the metallic cover part is provided with mounting hole in the position of the water outlet close to the Water pipe heating section,
The water outlet temperature sensor is set in the mounting hole and contacts with the Water pipe heating section, the water outlet temperature sensing
It is arranged with a pressure spring on device, and is pressed on the pressure spring by a pressing plate and the water outlet temperature sensor is subjected to installation fixation
On metallic cover part.
Preferably, further include fixed bracket, the fixed bracket be connected to the heat-generating pipe and the Water pipe heating section it
Between, with when the heat-generating pipe and Water pipe heating section periphery coat the metallic cover part center without departing from.
Preferably, the other end of the water pump is connected with a water tubular union, and the water inlet end temperature sensor stretches to
Directly to sense inlet water temperature Ti in the water tubular union,
It preferably, further include check valve, the check valve is set to the water pipe inlet segment and is located at the water pump and water pipe
Between bringing-up section, so that the hot water of Water pipe heating section will not flow back to water pump.
To achieve the goals above, the utility model also provides a kind of automatic milk punching machine, including water tank and i.e. heat above-mentioned
Formula heating device, the water tank are connected with the other end of the water pump.
In the instant heating type heating device of the present embodiment, by micro-control unit controls heater element in the preheating not being discharged
Stage is quickly heated with biggish first power, the water in heater element and Water pipe heating section can be made to rapidly reach pre-
If target water temperature, and then control heater element continuous effluent heating period with lesser second power carry out persistently plus
Heat keeps the water energy for flowing through Water pipe heating section with predetermined water speed enough stable in preset target water temperature, to reach Water pipe heating section
The output water temperature of water outlet be relatively precisely controlled.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of instant heating type one embodiment of heating device of the utility model, wherein power supply control is not shown
Plate and micro-control unit.
Fig. 2 is the control block diagram of the instant heating type heating device of the utility model.
Fig. 3 is the assembling section view of metallic cover part, Water pipe heating section and heater element in instant heating type heating device shown in Fig. 1
Figure.
Fig. 4 is the assembling schematic diagram of Water pipe heating section and heater element in instant heating type heating device shown in Fig. 1.
Fig. 5 is the scheme of installation of water outlet temperature sensor in instant heating type heating device shown in Fig. 1.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that the specific embodiments described herein are only used to explain the utility model, it is not used to limit
The utility model.
As shown in Figures 1 to 5, in an embodiment of the instant heating type heating device of the utility model, instant heating type heating device
Including water pump 1, water pipe inlet segment 2, water inlet end temperature sensor 3, Water pipe heating section 4, heater element 5, water pipe water exit end 6, go out
Water end (W.E.) temperature sensor 7, power control board 8 and micro-control unit 9 (full name in English Microcontroller Unit, abbreviation
MCU)。
One end of the water pump 1 is connected by the water pipe inlet segment 2 with the water inlet end 41 of the Water pipe heating section 4, institute
The other end for stating water pump 1 is used to be connected with a water tank to draw water from water tank, the water pipe water exit end 6 and the Water pipe heating
The water outlet 42 of section 4 is connected, and the heater element 5 is for heating the water for flowing through the Water pipe heating section 4.The water pump
1, heater element 5 and micro-control unit 9 are electrically connected to be carried out by the power control board 8 with the power control board 8
Power supply control, the water inlet end temperature sensor 3 are used to sense the inlet water temperature Ti of the water inlet end 41 of the Water pipe heating section 4,
The water outlet temperature sensor 7 is used to sense the output water temperature To of the water outlet 42 of the Water pipe heating section 4, the fever member
The water that part 5 flows through the Water pipe heating section 4 includes pre-heat phase and heating period when being heated, and passes through the microcontroller
Unit 9 carries out control as follows：
In the pre-heat phase, the micro-control unit 9 controls the water pump 1 and closes, and controls the heater element 5
Predetermined time t is heated to the Water pipe heating section 4 with the first power P 1；
In the heating period, the micro-control unit 9 controls the water pump 1 and opens with predetermined water speed a to the water pipe
Bringing-up section 4 supplies water, and controls the heater element 5 and heated with the second power P 2 to Water pipe heating section 4.
In the instant heating type heating device of the present embodiment, heater element 5 is controlled in the pre-add not being discharged by micro-control unit 9
The hot stage is quickly heated with the first power P 1, the water in heater element 5 and Water pipe heating section 4 can be made to rapidly reach pre-
If target water temperature, and then control heater element 5 continuous effluent heating period with the second power P 2 carry out continuous heating, make
The water energy for flowing through Water pipe heating section 4 with predetermined water speed a is enough stable in preset target water temperature, to reach Water pipe heating section 4
The output water temperature of water outlet 42 is relatively precisely controlled, and is applied to automatic milk punching machine, can be precisely controlled water temperature, is reconstituted with raising
The quality of milk.
In the present embodiment, predetermined time t is calculated using following formula：
T=(Ts-T1) * J1/ (P1*K) (1)
In above formula (1), Ts is preset target water temperature, and T1 is initial temperature of the heater element 5 before being heated, J1
It is the energy of water 1 DEG C of needs of heating in heater element 5 and Water pipe heating section 4, P1 is the total power of heater element 5, and K is fever
The heating efficiency of element 5.
Target water temperature Ts can be configured by the control panel being electrically connected with hot type heating device, or by with hot type
The controlling terminal of heating device communication connection is configured, for example, when instant heating type heating device is applied in automatic milk punching machine, it can
It is configured by the control panel on automatic milk punching machine, or the controlling terminal by communicating to connect with automatic milk punching machine is for example
Mobile phone is configured.
The initial temperature T1 of heater element 5 can carry out temperature sensing to heater element 5 by temperature sensor and directly obtain,
Or temperature sensing is carried out to the water in Water pipe heating section 4 or Water pipe heating section 4 by temperature sensor and is obtained indirectly, it is heating
Before, the temperature of the initial temperature T1 of heater element 5, the temperature of Water pipe heating section 4 and the water in Water pipe heating section 4 are substantially
It is identical, therefore can be using sensing indirectly, to reduce the use of temperature sensor, to save cost.Heating efficiency K can be
Instant heating type heating device carries out Heating Experiment progress actual measurement and obtains and set in instant heating type heating device.
In the present embodiment, in the heating period, the water for flowing through Water pipe heating section 4 is added into calculating using following formula
Heating power P2 needed for heat to preset target water temperature Ts：
P2=(Ts-Ti) * Cw*a/K (2)
In above formula (2), Ts is preset target water temperature, and Ti is the inlet water temperature of the water inlet end 41 of the Water pipe heating section 4,
Cw is the specific heat capacity of water, and a is predetermined water speed, and K is the heating efficiency of heater element 5.By heating power P2 directly as described
Two power or after being modified to heating power P2 as the heating power P2.
The inlet water temperature Ti of water inlet end 41 is sensed to obtain by water inlet end temperature sensor 3, target water temperature Ts and pre-
Determining water speed a can be configured by the control panel being electrically connected with hot type heating device, or by logical with hot type heating device
The controlling terminal of letter connection is configured, for example, when instant heating type heating device is applied in automatic milk punching machine, it can be by rushing automatically
Control panel on milk machine is configured, or such as mobile phone of the controlling terminal by communicating to connect with automatic milk punching machine is set
It sets.Heating efficiency K can carry out Heating Experiment progress actual measurement in instant heating type heating device and obtain and in instant heating type heating dress
It is set in setting.
Since the heating efficiency K of heater element 5 is in actual use there may be error, the case where error is not present
Under, it can be by heating power P2 directly as second power.It in the presence of errors, then can be to heating power
P2 is used as the heating power P2 after being modified, to further increase heating accuracy.
Specifically, in the predetermined time t of pre-heat phase, if water outlet temperature sensor 7 senses water pipe bringing-up section 4
The output water temperature Top of water outlet 42 just have reached preset target water temperature Ts, then terminate pre-heat phase and enter heating
Stage, such situation illustrate that actual heating efficiency, can be according to water outlet than the heating efficiency K high set in instant heating type heating device
Difference between water temperature T op and target water temperature Ts modifies to heating power P2, suitably to turn down heating power P2.
When choosing to heater element 5, its total power can be made sufficiently high, in the water inlet end 41 of Water pipe heating section 4
Inlet water temperature Ti it is extremely low in the case where, the second power P 2 is still that (i.e. heater element 5 is complete less than or equal to the first function P1
Power).
When the predetermined time t of pre-heat phase reaches, if water outlet temperature sensor 7 senses water pipe bringing-up section 4
The output water temperature Top of water outlet 42 is lower than preset target water temperature Ts, terminates pre-heat phase and enters heating period, such feelings
Condition illustrates that actual heating efficiency is lower than the heating efficiency K set in instant heating type heating device, can be according to output water temperature Top and mesh
Difference between mark water temperature T s modifies to heating power P2, heating power P2 is suitably turned up.
In the present embodiment, the heater element 5 is spiral heat-generating pipe, and the Water pipe heating section 4 is in the shape of a spiral
And with the heat-generating pipe parallel arranged, the periphery of the Water pipe heating section 4 and heat-generating pipe is coated with metallic cover part 11.Metal packet
Cover the periphery that part 11 is coated on the Water pipe heating section 4 and heat-generating pipe by way of die casting.In other embodiments, metal packet
It covers part and can also be and be spliced by two metal blocks, in such cases, Water pipe heating section can be formed in the spiral shell on metal block
Revolve shape runner.
The metallic cover part 11 is provided with mounting hole 111 in the position of the water outlet 42 close to the Water pipe heating section 4,
The water outlet temperature sensor 7 is set in the mounting hole 111 and contacts with the Water pipe heating section 4.In this way, passing through water outlet
Hold temperature sensor 7 that can obtain being discharged in real time in the initial temperature T1 and Water pipe heating section 4 of sensing heater element 5 indirectly
Water temperature.
As a further improvement, the both ends of the metallic cover part 11 point concave and are formed with the first recess portion 112 and second
Recess portion 113 avoids the waste of heat, to improve heating efficiency, and just while mitigating 11 weight of metallic cover part
It is fixed in the installation of metallic cover part 11.
As a further improvement, being arranged with a pressure spring 71 on the water outlet temperature sensor 7, and pressed by a pressing plate 72
The water outlet temperature sensor 7 be mounted on metallic cover part 11 on the pressure spring 72.Pressing plate 72 is equipped with and confesses
The through-hole 721 and the opening 722 being connected to the through-hole that water end (W.E.) temperature sensor 7 is inserted in, opening 722 is for water outlet temperature
The conducting wire 73 of sensor 7 is quickly caught in, to facilitate the installation of water outlet temperature sensor 7.Pressing plate 72 can be carried out by screw 74
It is fixed.
As a further improvement, the instant heating type heating device further includes fixed bracket 12, the fixed bracket 12 is abutted
Between the heat-generating pipe and the Water pipe heating section 4, in the periphery cladding metal packet of the heat-generating pipe and Water pipe heating section 4
When covering part 11 center without departing from.
The water inlet end temperature sensor 3 and water outlet temperature sensor 7 can select posive temperature coefficient thermistor, bear
Temperature coefficient thermistor or other temperature sensors, it is preferred to use negative tempperature coefficient thermistor.
In the present embodiment, heater element 5 (i.e. heat-generating pipe) is set in Water pipe heating section 4, and heater element 5 (generates heat
Pipe) upper end be formed with it is axial extend perpendicularly out end, to facilitate heater element 5 (i.e. heat-generating pipe) to put in Water pipe heating section 4.
The other end of the water pump 1 is connected with a water tubular union 13, and the water inlet end temperature sensor 3 stretches to described
Directly to sense inlet water temperature Ti in water tubular union 13,
As a further improvement, the instant heating type heating device further includes check valve 14, the check valve 14 is set to described
Water pipe inlet segment 2 and between the water pump 1 and Water pipe heating section 4, so that the hot water of Water pipe heating section 4 will not be to water pump 1
Reflux.
It is specifically described below by computer heating control of the application examples to the instant heating type heating device of the present embodiment.
Assuming that preset target water temperature Ts is 45 DEG C, initial temperature T1 of the heater element 5 before being heated is 25 DEG C,
The energy 453J of 1 DEG C of needs of heater element 5 (i.e. heating tube) heating is surveyed, energy water storage 16g inside heat-generating pipe, heat up 1 DEG C of need
The energy Jw1 wanted, the specific heat capacity Cw of water are 4.2J/ (g DEG C), and the total power P1 of heater element 5 is 2200 watts, heater element 5
Heating efficiency K be 0.95.
One, warm-up phase
This stage is not discharged, heater element 5 (i.e. heating tube) using total power P1 heat, by control heating time t come
So that heater element 5 (i.e. heating tube) and its internal water is risen to preset target water temperature Ts from initial temperature T1, then has：
Jw1=4.2*16*1=67.2J
J1=453J+67.2J=520.2J
According to formula (1), then have
T=(Ts-T1) * J1/ (P1*K)=(45-25) * 520.2/ (2200*0.95)=4.97799s
When practical application, heating time t can be rounded or take corresponding decimal place according to the precision of setting.
Two, the heating period
This stage water outlet, it is assumed that predetermined water speed a is 10g/s, and inlet water temperature Ti is 25 DEG C, is controlled by control heating power
It makes real-time leaving water temperature To and reaches preset target water temperature Ts.
According to formula (2), then have：
P2=(Ts-Ti) * Cw*a/K=(45-25) * 4.2*10/0.95=884.210526
When practical application, heating power P2 can be rounded or take corresponding decimal place according to the precision of setting.
The heating means of the instant heating type heating device of the utility model include the following steps：
Instant heating type heating device starting, into pre-heat phase, water pump 1 is remained off, and micro-control unit 9 controls institute
It states heater element 5 and predetermined time t is heated to Water pipe heating section 4 with the first power P 1；
Enter the heating period after the completion of pre-heat phase, micro-control unit 9 controls water pump 1 and opens with predetermined water speed a to water
Pipe bringing-up section 4 supplies water, and controls heater element 5 and heated with the second power P 2 to Water pipe heating section 4.
Heating predetermined time t, the first power P 1, the second power P 2 validation testing can refer to retouching in previous embodiment
It states, details are not described herein.
The embodiments of the present invention also provide a kind of automatic milk punching machine, and the automatic milk punching machine includes water tank and above-mentioned
Instant heating type heating device, the water tank are connected with the other end of the water pump 1 of the instant heating type heating device.
The utility model is not limited to embodiment of above, under technology contents disclosed in above embodiment, may be used also
To carry out various change.Equivalent structure transformation made by using the description of the utility model and the drawings, or directly or
Other related technical areas are used in indirectly, are also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of instant heating type heating device, which is characterized in that the instant heating type heating device include water pump, water pipe inlet segment, into
Water end (W.E.) temperature sensor, Water pipe heating section, heater element, water pipe water exit end, water outlet temperature sensor, power control board and micro-
One end of control unit, the water pump is connected by the water pipe inlet segment with the water inlet end of the Water pipe heating section, the water
For being connected with a water tank, the water pipe water exit end is connected the other end of pump with the water outlet of the Water pipe heating section, described
For heater element for heating to the water for flowing through the Water pipe heating section, the water pump, heater element and micro-control unit are equal
It is electrically connected with the power control board to be powered control, the water inlet end temperature sensor by the power control board
For sensing the inlet water temperature of the water inlet end of the Water pipe heating section, the water outlet temperature sensor is for sensing the water pipe
The output water temperature of the water outlet of bringing-up section, the water that the heater element flows through the Water pipe heating section include pre-add when being heated
Hot stage and heating period, and carried out control as follows by the micro-control unit：
In the pre-heat phase, water pump described in the micro-control unit controls is closed, and controls the heater element with first
Power heats the predetermined time to the Water pipe heating section；
In the heating period, the unlatching of water pump described in the micro-control unit controls is supplied with predetermined water speed to the Water pipe heating section
Water, and control the heater element and Water pipe heating section is heated with the second power.
2. instant heating type heating device as described in claim 1, which is characterized in that the heater element is spiral fever
Pipe, the Water pipe heating section in the shape of a spiral and with the heat-generating pipe parallel arranged, the periphery of the Water pipe heating section and heat-generating pipe
It is coated with metallic cover part.
3. instant heating type heating device as claimed in claim 2, which is characterized in that the metallic cover part is in close to the water pipe
The position of the water outlet of bringing-up section is provided with mounting hole, the water outlet temperature sensor be set in the mounting hole and with it is described
Water pipe heating section contacts, and is arranged with a pressure spring on the water outlet temperature sensor, and be pressed on the pressure spring by a pressing plate
The water outlet temperature sensor be fixed on metallic cover part.
4. instant heating type heating device as claimed in claim 2, which is characterized in that it further include fixed bracket, the fixed bracket
It is connected between the heat-generating pipe and the Water pipe heating section, to coat the gold in the heat-generating pipe and Water pipe heating section periphery
Belong to coating member when center without departing from.
5. instant heating type heating device as described in claim 1, which is characterized in that the other end of the water pump is connected with a water pipe
Connector, the water inlet end temperature sensor stretch in the water tubular union directly to sense inlet water temperature Ti.
6. instant heating type heating device as described in claim 1, which is characterized in that further include check valve, the check valve is set to
The water pipe inlet segment and between the water pump and Water pipe heating section, so that the hot water of Water pipe heating section will not be returned to water pump
Stream.
7. a kind of automatic milk punching machine, including water tank, which is characterized in that the automatic milk punching machine further includes such as claim 1 to 6
Any one of described in instant heating type heating device, the water tank is connected with the other end of the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720699241.9U CN208160540U (en) | 2017-06-15 | 2017-06-15 | Instant heating type heating device and automatic milk punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720699241.9U CN208160540U (en) | 2017-06-15 | 2017-06-15 | Instant heating type heating device and automatic milk punching machine |
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| Publication Number | Publication Date |
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| CN208160540U true CN208160540U (en) | 2018-11-30 |
Family
ID=64386150
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| CN201720699241.9U Active CN208160540U (en) | 2017-06-15 | 2017-06-15 | Instant heating type heating device and automatic milk punching machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215120A (en) * | 2019-06-20 | 2019-09-10 | 广东特拉斯科技发展有限公司 | A kind of instant heating type temperature controllable heating unit assembly |
| CN110279303A (en) * | 2019-06-27 | 2019-09-27 | 九阳股份有限公司 | A kind of method for heating and controlling of food processor |
| CN113712433A (en) * | 2020-05-24 | 2021-11-30 | 林庆辉 | Automatic milk blending sucker |
-
2017
- 2017-06-15 CN CN201720699241.9U patent/CN208160540U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215120A (en) * | 2019-06-20 | 2019-09-10 | 广东特拉斯科技发展有限公司 | A kind of instant heating type temperature controllable heating unit assembly |
| CN110279303A (en) * | 2019-06-27 | 2019-09-27 | 九阳股份有限公司 | A kind of method for heating and controlling of food processor |
| CN113712433A (en) * | 2020-05-24 | 2021-11-30 | 林庆辉 | Automatic milk blending sucker |
| CN113712433B (en) * | 2020-05-24 | 2022-11-25 | 林庆辉 | Automatic milk blending sucker |
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