CN106162971A - Electromagnetic heater and the electromagnetic oven with it - Google Patents
Electromagnetic heater and the electromagnetic oven with it Download PDFInfo
- Publication number
- CN106162971A CN106162971A CN201510164855.2A CN201510164855A CN106162971A CN 106162971 A CN106162971 A CN 106162971A CN 201510164855 A CN201510164855 A CN 201510164855A CN 106162971 A CN106162971 A CN 106162971A
- Authority
- CN
- China
- Prior art keywords
- capacitance
- electromagnetic heater
- resonant
- module
- electric capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a kind of electromagnetic heater and electromagnetic oven, wherein this device includes: power module；The resonance modules being connected with power module, wherein, resonance modules has resonant inductance and the harmonic oscillator module of resonant capacitance composition；Electric capacity adjusting module, for adjusting the capacitance of the resonant capacitance in resonance modules；And switch module, switch module is connected with resonance modules.This device is by increasing electric capacity adjusting module, output can be realized at certain frequency (such as 200 watts to 2000 watts) scope laser heating, compared with prior art, it is achieved that the purpose of low-power laser heating, significantly improve cooking food effect, improve user satisfaction.
Description
Technical field
The present invention relates to electromagnetic heating technique field, particularly relate to a kind of electromagnetic heater and there is this electromagnetic heater
Electromagnetic oven.
Background technology
Along with the fast development in Electromagnetic Heating field, electromagnetic oven has become as the main flow kitchen tools in people kitchen.At present, electromagnetism
Stove mainly by way of electromagnetic induction cooking food, owing to output is very big, typically can reach 2000 watts, in order to reduce
The loss of electromagnetic oven breaker in middle pipe, is necessary for being operated in switching tube Sofe Switch state, and existing scheme the most all uses LC resonance
(wherein, L is inductance, and C is electric capacity) heat protocol.But, because resonance circuit has selecting frequency characteristic, only work as switch
When the operating frequency of pipe is consistent with LC resonant frequency, its output is maximum, and duty is optimal；Work frequency when switching tube
During rate more deviation LC resonant frequency, resonance circuit output is the least, and duty is the poorest.
Such as, existing single tube LC resonant electromagnetic heat protocol, due to inductance value L and the resonance of coil panel (i.e. resonant inducing)
The capacity C of electric capacity is all one group of fixed value set, and switching tube is operated in certain power (such as 2000 watts) frequency range
Time (about 20KHz) reach optimum state, and the switching frequency of switching tube is the highest, and power is the lowest, and duty is the poorest, tool
Body shows as switching tube and is gradually backed out Sofe Switch state, enters hard switching state, and the temperature rise of switching tube is the highest, thus single at present
The heating of pipe LC resonant electromagnetic can only such as 1000 watts～the work of 2000 watts of scope laser heatings, less than such as 1000 watt-hours with
Mode of heating of having a rest realizes low-power heating, such as realizes 500 watts of heating, then heats 5 seconds with 1000 watts, then stop heating 5
Second heated for the cycle, but this intermittent heating culinary art weak effect, it is impossible to meet user's request.
Summary of the invention
The purpose of the present invention is intended to solve one of above-mentioned technical problem the most to a certain extent.
To this end, the first of the present invention purpose is to propose a kind of electromagnetic heater.This device can realize output and exist
Certain frequency (such as 200 watts to 2000 watts) scope laser heating, significantly improves cooking food effect, improves user full
Meaning degree.
Second object of the present invention is to propose a kind of electromagnetic oven.
To achieve these goals, the electromagnetic heater of first aspect present invention embodiment, including: power module；With institute
Stating the resonance modules that power module is connected, wherein, described resonance modules has resonant inductance and the harmonic oscillator of resonant capacitance composition
Module；Electric capacity adjusting module, for adjusting the capacitance of the resonant capacitance in described resonance modules；And switch module, institute
State switch module to be connected with described resonance modules.
Electromagnetic heater according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve output is one
Determine frequency (such as 200 watts to 2000 watts) scope laser heating, compared with prior art, it is achieved that low-power laser heating
Purpose, significantly improves cooking food effect, improves user satisfaction.
According to one embodiment of present invention, described resonant inductance and resonant capacitance are resonance structure in parallel or series.
According to one embodiment of present invention, described electric capacity adjusting module, for the heating power at described electromagnetic heater
During more than setting power value, the capacitance of described resonant capacitance is adjusted to the first capacitance, and at described electromagnetic heater
Heating power less than setting power value time, the capacitance of described resonant capacitance is adjusted to the second capacitance.
According to one embodiment of present invention, described electric capacity adjusting module includes: first branch road in parallel with described resonant capacitance,
Described first branch road includes adjustment electric capacity and the switch being serially connected；Control the controller of described switch, wherein, when described electricity
When the heating power of magnetic heater is more than described setting power value, by described switch Guan Bi, and at described electromagnetic heater
Heating power less than described setting power value time, switch off described, wherein, described resonant capacitance and adjust electric capacity also
Capacitance after connection is described first capacitance, and the capacitance of described resonant capacitance is described second capacitance.
Wherein, in one embodiment of the invention, described switch is relay.
In another embodiment of the present invention, described switch be Metal-Oxide Semiconductor field effect transistor M OSFET or
Insulated gate bipolar transistor IGBT.
To achieve these goals, the electromagnetic oven of second aspect present invention embodiment, including: first aspect present invention embodiment
Electromagnetic heater.
Electromagnetic oven according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve defeated in electromagnetic heater
Go out power laser heating in the range of certain frequency (such as 200 watts to 2000 watts), compared with prior art, it is achieved that low merit
The purpose of rate laser heating, significantly improves cooking food effect, improves user satisfaction.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from from the following description of the accompanying drawings of embodiments
With easy to understand, wherein,
Fig. 1 is the structural representation of electromagnetic heater according to an embodiment of the invention；
Fig. 2 is the circuit diagram of electromagnetic heater according to an embodiment of the invention；
Fig. 3 is the circuit diagram of electromagnetic heater in accordance with another embodiment of the present invention；
Fig. 4 is the circuit diagram of the electromagnetic heater according to another embodiment of the present invention；And
Fig. 5 is the circuit diagram of the electromagnetic heater according to further embodiment of the present invention.
Reference:
10: power module；20: resonance modules；21: harmonic oscillator module；30: electric capacity adjusting module；31:
First branch road；32: controller；40: switch module；L: resonant inductance；C1: resonant capacitance: C2: adjust
Whole electric capacity；K: switch；Q1: switching tube.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings describe the electromagnetic heater of the embodiment of the present invention and there is the electromagnetic oven of this electromagnetic heater.
Fig. 1 is the structural representation of electromagnetic heater according to an embodiment of the invention.As it is shown in figure 1, this electromagnetism adds
Thermal may include that power module 10, resonance modules 20, electric capacity adjusting module 30 and switch module 40.Wherein, humorous
Module of shaking 20 is connected with power module 10, and resonance modules 20 has resonant inductance and the harmonic oscillator module of resonant capacitance composition
21.Additionally, switch module 40 is connected with resonance modules 20.
Specifically, electric capacity adjusting module 30 can be used for adjusting the capacitance of the resonant capacitance in resonance modules 20.Further,
In an embodiment of the present invention, electric capacity adjusting module 30 can be used for being more than setting power value at the heating power of electromagnetic heater
Time, the capacitance of resonant capacitance is adjusted to the first capacitance, and at the heating power of electromagnetic heater less than setting power
During value, the capacitance of resonant capacitance is adjusted to the second capacitance.It should be noted that in one embodiment of the invention,
Electric capacity adjusting module 30 can be one or more.Adjust it is to say, electromagnetic heater can have one or more electric capacity
Module 30, to adjust the capacitance of the resonant capacitance in resonance modules 20.
Fig. 2 is the circuit diagram of electromagnetic heater according to an embodiment of the invention.As in figure 2 it is shown, this electromagnetism adds
The circuit of thermal includes power module 10, resonance modules 20 (not shown in Fig. 2), adjusting module 30 (in Fig. 2 not
Illustrate) and switch module 40, resonance modules 20 (not shown in Fig. 2) has harmonic oscillator module 21, harmonic oscillator module 21
Can be made up of resonant inductance L and resonant capacitance C1.Wherein, in one embodiment of the invention, resonant inductance L is harmonious
The electric capacity C1 that shakes can be resonance structure in parallel or series, such as, as shown in Figure 2 and Figure 4, and resonant inductance L and resonance electricity in figure
The annexation holding C1 is series connection, forms series resonant structure；And for example, as shown in Figure 3 and Figure 5, resonant inductance L in figure
It is in parallel with the annexation of resonant capacitance C1, forms parallel resonance structure.
Further, in one embodiment of the invention, as in figure 2 it is shown, electric capacity adjusting module 30 (not shown in Fig. 2)
Comprising the steps that the first branch road 31 and controller 32 (not shown in Fig. 2), the first branch road 31 is in parallel with resonant capacitance C1, the
One branch road 31 includes adjustment electric capacity C2 and the switch K being serially connected.Controller 32 can control above-mentioned switch K.Wherein, when
When the heating power of electromagnetic heater is more than setting power value, switch K is closed by controller 32, and at electromagnetic heater
Heating power less than setting power value time, switch K is disconnected, wherein, resonant capacitance C1 and adjust electric capacity C2 parallel connection
After capacitance be above-mentioned first capacitance, the capacitance of resonant capacitance C1 is above-mentioned second capacitance.It is to say, when electricity
When the heating power of magnetic heater is more than setting power value, controller 32 can be by switch K Guan Bi, now resonance modules 20
In capacitance be resonant capacitance C1 and adjust the capacitance after electric capacity C2 parallel connection；When and in the heating of electromagnetic heater
When power is less than setting power value, switch K can be disconnected by controller 32, and now, the capacitance in resonance modules 20 is
The capacitance of resonant capacitance C1.
Wherein, in one embodiment of the invention, above-mentioned switch K can be relay.Such as, as shown in Figures 2 and 3,
In figure, K is relay switch.In another embodiment of the present invention, above-mentioned switch K can be MOSFET
(Metal-Oxide-Semiconductor Field-Effect Transistor, Metal-Oxide Semiconductor field effect is brilliant
Body pipe) or IGBT (Insulated Gate Bipolar Transistor, igbt).Such as, such as figure
Shown in 4 and Fig. 5, in figure, K is MOSFET or IGBT switching switch.
So that those skilled in the art can clearly understand advantages of the present invention, below in conjunction with Fig. 2 to this
The operation principle of invention electromagnetic heater is described further.
As in figure 2 it is shown, the heating power that above-mentioned electromagnetic heater is operated in high-power state, i.e. electromagnetic heater is more than
During setting power value (such as 1000 watts), TEN control signal is effective, and controller 32 controllable switch K closes, and adjusts
Electric capacity C2 participates in resonance, and now the equivalent capacity of the resonant tank in Fig. 2 is adjusted to resonant capacitance C1 and adjusts electric capacity C2 also
Capacitance sum after connection, then resonant frequency f0For:
Wherein, L is the inductance value of resonant inductance L, C1For the capacitance of resonant capacitance C1, C2For adjusting the electricity of electric capacity C2
Capacitance.
Under preferred condition, when resonant frequency f0Value be 20KHz, the PWM (Pulse of the switching tube Q1 in switch module 40
Width Modulation, pulse width modulation) signal is when being 20KHz, electromagnetic heater is in optimum state, now
The colelctor electrode of switching tube Q1 just turns under voltage zero-cross, and for Sofe Switch state, the switching loss of switching tube Q1 is minimum.
But, when gradually decreasing the high level pulsewidth of PWM, the ON time of switching tube Q1 reduces, and on the one hand causes through same
After step circuit, the cycle time of PWM reduces, and the frequency of PWM raises, and is gradually distance from optimum resonant frequency f0；On the other hand cause
Making resonant inductance L store energy to reduce, the heating power of electromagnetic heater gradually decreases, the most sufficient during switching tube Q1 conducting
Enough energy make the voltage of resonant capacitance C1 be down to 0V, switching tube Q1 and progress into hard switching state, cause switching tube Q1
Switching loss increase.When the heating power of electromagnetic heater is less than setting power value (such as 1000 watts), TEN controls
Signal Fail, controller 32 controllable switch K disconnects, and adjusts electric capacity C2 and exits resonance, the now resonant tank in Fig. 2
Equivalent capacity be adjusted to the capacitance of resonant capacitance C1, then resonant frequency f1For:
Wherein, L is the inductance value of resonant inductance L, C1Capacitance for resonant capacitance C1.
Obviously reduce due to the equivalent capacity in resonance modules, resonant frequency f of electromagnetic heater1Increase, under preferred condition,
Resonant frequency f1Value be 35KHz, the heating power of electromagnetic heater can be reduced owing to reducing the high level pulsewidth of PMW, with
Time can reduce cycle of PWM, improve the frequency of PWM, it is assumed that the heating power of electromagnetic heater is 900 watt-hours, switch
The driving frequency of pipe Q1 is 35KHz, after disconnecting due to switch K, and resonant frequency f of electromagnetic heater1Rise to 35KHz, with
The driving frequency of switching tube Q1 is consistent, so now electromagnetic heater works in again optimum state, the current collection of switching tube Q1
Pole just turns under voltage zero-cross, and for Sofe Switch state, the switching loss of switching tube Q1 is minimum, thus realizes low-power even
Continuous heating.
Electromagnetic heater according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve output is one
Determine frequency (such as 200 watts to 2000 watts) scope laser heating, compared with prior art, it is achieved that low-power laser heating
Purpose, significantly improves cooking food effect, improves user satisfaction.
In order to realize above-described embodiment, the invention allows for a kind of electromagnetic oven, this electromagnetic oven includes any of the above-described embodiment
Electromagnetic heater.
Electromagnetic oven according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve defeated in electromagnetic heater
Go out power laser heating in the range of certain frequency (such as 200 watts to 2000 watts), compared with prior art, it is achieved that low merit
The purpose of rate laser heating, significantly improves cooking food effect, improves user satisfaction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability
The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory
Row combines and combination.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
Should be appreciated that each several part of the present invention can realize by hardware, software, firmware or combinations thereof.In above-mentioned reality
Execute in mode, software that multiple steps or method in memory and can be performed by suitable instruction execution system with storage or
Firmware realizes.Such as, if realized with hardware, with the most the same, available well known in the art under
Any one or their combination in row technology realize: have the logic gates for data signal realizes logic function
Discrete logic, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), existing
Field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can
Completing instructing relevant hardware by program, described program can be stored in a kind of computer-readable recording medium,
This program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be each
Individual unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module was both
Can realize to use the form of hardware, it would however also be possible to employ the form of software function module realizes.If described integrated module with
The form of software function module realizes and as independent production marketing or when using, it is also possible to be stored in a computer-readable
Take in storage medium.
Storage medium mentioned above can be read only memory, disk or CD etc..Although above it has been shown and described that
Embodiments of the invention, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as limitation of the present invention,
Above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (7)
1. an electromagnetic heater, it is characterised in that including:
Power module；
The resonance modules being connected with described power module, wherein, described resonance modules has resonant inductance and resonant capacitance is constituted
Harmonic oscillator module；
Electric capacity adjusting module, for adjusting the capacitance of the resonant capacitance in described resonance modules；And
Switch module, described switch module is connected with described resonance modules.
2. electromagnetic heater as claimed in claim 1, it is characterised in that described resonant inductance and resonant capacitance are in parallel
Or series resonant structure.
3. electromagnetic heater as claimed in claim 1, it is characterised in that described electric capacity adjusting module, for described
When the heating power of electromagnetic heater is more than setting power value, the capacitance of described resonant capacitance is adjusted to the first capacitance,
And when the heating power of described electromagnetic heater is less than setting power value, the capacitance of described resonant capacitance is adjusted to the
Two capacitances.
4. electromagnetic heater as claimed in claim 3, it is characterised in that described electric capacity adjusting module includes:
First branch road in parallel with described resonant capacitance, described first branch road includes adjustment electric capacity and the switch being serially connected；
Control the controller of described switch, wherein, when the heating power of described electromagnetic heater is more than described setting power value
Time, by described switch Guan Bi, and when the heating power of described electromagnetic heater is less than described setting power value, by described
Switching off, wherein, the capacitance after described resonant capacitance and adjustment electric capacity parallel connection is described first capacitance, described humorous
The capacitance of electric capacity of shaking is described second capacitance.
5. electromagnetic heater as claimed in claim 4, it is characterised in that described switch is relay.
6. electromagnetic heater as claimed in claim 4, it is characterised in that described switch is Metal-Oxide Semiconductor
Field effect transistor M OSFET or insulated gate bipolar transistor IGBT.
7. an electromagnetic oven, it is characterised in that include the electromagnetic heater as described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164855.2A CN106162971A (en) | 2015-04-07 | 2015-04-07 | Electromagnetic heater and the electromagnetic oven with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164855.2A CN106162971A (en) | 2015-04-07 | 2015-04-07 | Electromagnetic heater and the electromagnetic oven with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106162971A true CN106162971A (en) | 2016-11-23 |
Family
ID=57336563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510164855.2A Pending CN106162971A (en) | 2015-04-07 | 2015-04-07 | Electromagnetic heater and the electromagnetic oven with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106162971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172733A (en) * | 2017-07-03 | 2017-09-15 | 安吉信多达智能科技有限公司 | A kind of electromagnetic heating system and its method of work |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201331114Y (en) * | 2008-12-17 | 2009-10-21 | 佛山市顺德区龙威电业有限公司 | High-efficiency heating circuit of induction cooker |
-
2015
- 2015-04-07 CN CN201510164855.2A patent/CN106162971A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201331114Y (en) * | 2008-12-17 | 2009-10-21 | 佛山市顺德区龙威电业有限公司 | High-efficiency heating circuit of induction cooker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172733A (en) * | 2017-07-03 | 2017-09-15 | 安吉信多达智能科技有限公司 | A kind of electromagnetic heating system and its method of work |
| CN107172733B (en) * | 2017-07-03 | 2020-07-28 | 安吉信多达智能科技有限公司 | Electromagnetic heating system and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204538995U (en) | The electromagnetic heater of cooking apparatus and cooking apparatus | |
| CN101447743B (en) | Electric power converter and control method for the same | |
| KR102009344B1 (en) | Induction heat cooking apparatus and method for controlling of output level the same | |
| CN106488600B (en) | Electromagnetic heater and its heating control circuit and control method | |
| CN108024404B (en) | Electromagnetic heating system and its control method and device | |
| CN104284465A (en) | Intelligent control method of convection heating of multiple electromagnetic heating units and electromagnetic heating device | |
| KR102326999B1 (en) | Induction heat cooking apparatus and method for driving the same | |
| CN106559928A (en) | Electromagnetic heater and its heating control circuit and control method | |
| KR20140088324A (en) | Induction heat cooking apparatus and method for controlling of output level the same | |
| CN106162970A (en) | Electromagnetic heater and the electromagnetic oven with it | |
| CN203104830U (en) | Electromagnetic heating apparatus | |
| CN103574706A (en) | Multi-burner induction cooker and heating control method thereof | |
| KR102031907B1 (en) | Induction heat cooking apparatus and method for controlling of output level the same | |
| CN204520273U (en) | Cooking apparatus and the electric heater unit for cooking apparatus | |
| CN103916997A (en) | Electromagnetic induction heating device and control method thereof | |
| CN204539512U (en) | Electromagnetic heater and the electromagnetic oven with it | |
| CN204539509U (en) | Cooking apparatus and the electromagnetic heater for cooking apparatus | |
| ES2441647A2 (en) | Induction heater for domestic appliance e.g. cook hob, has frequency units that are operated at different phase of multi-phase current connection | |
| CN106162971A (en) | Electromagnetic heater and the electromagnetic oven with it | |
| CN204520274U (en) | Cooking apparatus and the electric heater unit for cooking apparatus | |
| CN106136843A (en) | Cooking apparatus and the electric heater unit for cooking apparatus | |
| CN205430655U (en) | Hybrid heating control circuit and electromagnetic heating equipment | |
| CN104470014B (en) | For step-up/step-down circuit and the control method thereof of electromagnetic heater | |
| CN203504788U (en) | Buck-boost circuit for electromagnetic heating apparatus | |
| CN204539513U (en) | Electromagnetic heater and the electromagnetic oven with it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |