CN107491140B - Temp sensing controller - Google Patents
Temp sensing controller Download PDFInfo
- Publication number
- CN107491140B CN107491140B CN201710832825.3A CN201710832825A CN107491140B CN 107491140 B CN107491140 B CN 107491140B CN 201710832825 A CN201710832825 A CN 201710832825A CN 107491140 B CN107491140 B CN 107491140B
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- Prior art keywords
- locating part
- type locating
- sitting posture
- main casing
- contact switch
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/02—Means preventing undesired movements of a controlling member which can be moved in two or more separate steps or ways, e.g. restricting to a stepwise movement or to a particular sequence of movements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Thermally Actuated Switches (AREA)
Abstract
A kind of temp sensing controller, including main casing, fixed plate on a main housing is fixedly mounted, the heat-sensitive duplex metal actuator being fixedly mounted in fixed plate, several concentric drums ring electrodes are installed in the back side annular groove of the main casing, the concentric drums ring electrode is connected with several corresponding lug plates on main casing front are installed on, one or several lug plates are equipped with contact switch, it further include contact switch from lock set, it is described from lock set include the sitting posture bracket being rotatably arranged on main casing, suspension is set on sitting posture bracket] type locating part, due to using sitting posture bracket and] cooperation of type locating part and the influence of self gravity realize the self-locking function of contact switch, from in lock set without torsional spring part, avoid the influence of torsional spring part elastic force and curvature position, effectively avoid torsion Spring technique requires problem, and low to the requirement of lower connector insertion depth from lock set, greatly reduces the technique requirement of components.
Description
Technical field
The present invention relates to a kind of temp sensing controller more particularly to a kind of temperature sensitivity controls of electric tea set electric appliances
Device.
Background technique
The existing electric tea set electric appliance with anti-dry or other function specifically includes that temp sensing controller, thermistor, electricity
Heating element, circuit board, power supply etc..Electrical heating elements and thermistor are in kettle body, and wherein temp sensing controller, electricity add
Thermal element, power supply are connected with circuit board, by the external thermistor between the pickup electrode of temp sensing controller in water temperature
Numerical value when different temperatures transfers data to the integrated circuit on circuit board and controls relay actuation and disconnect, to realize that electricity adds
The electrified regulation and disconnection power supply of thermal element.Thermistor can not work and cut off the power when anhydrous, therefore general anti-dry is main
The heat-sensitive duplex metal actuator for being mounted on the bottom part down that liquid cooking-vessel especially boils vessel is used to be electrically connected to control
Connection between device.But after the water in vessel is dryouied, pot temperature is constantly increased, and heat-sensitive duplex metal actuator is caused to act,
Push be clamped between heat-sensitive duplex metal actuator and movable contact spring mandril movement, open movable contact spring, make movable contact spring be electrically connected
Device separation, so that circuit of cutting off the power, makes electrical heating elements power-off stop working, reach temperature controlled purpose.But electricity adds
After the power-off of hot device, vessel temp is reduced, heat-sensitive duplex metal actuator restoring action, mandril under the action of movable contact spring elastic force also with
Reset, make movable contact spring and electric connector contact, circuit loop conducting, electrical heating elements heating power again so recycles
Back and forth, it will lead to electric tea set electric appliance ceaselessly on-off, it is that contact is opened that this, which is not only reduced between movable contact spring and the contact of electric connector,
The contact life of pass will lead to the damage of contact for a long time, once contact clinkering is together, then causes fire, seriously affects
The safety of product and service life.To avoid the generation of the above phenomenon or realizing other function, existing electricity tea set electric appliance is generally using torsion
Spring acts to control contact switch, however it has stringent accurate requirement to the position at torsional spring both ends and distance and torsion, no
Its torsional spring positional distance of the temp sensing controller of same specification and torsion are again different, this causes very big probability of mismatch, turn round
Spring waste is very big.Furthermore lower connector and temp sensing controller have a insertion depth problem when being inserted into and cooperating, once lower company
Connect that device depth is inadequate, then the contact switch function where torsional spring will be unable to realize, general of the temperature control sensitivity controller of the structure
It is very low with property.
Summary of the invention
It is an object of the invention to aiming at the defects existing in the prior art, provide it is a kind of can structure be simple, safety and stability, energy
Realize the temp sensing controller for preventing secondary dry combustion method function.
In order to achieve the above objectives, the present invention adopts the following technical solutions: a kind of temp sensing controller, including main casing,
Fixed plate on a main housing, the heat-sensitive duplex metal actuator being fixedly mounted in fixed plate is fixedly mounted, the main casing
Several concentric drums ring electrodes are installed in the annular groove of the back side, the concentric drums ring electrode and are being installed on main casing just
Corresponding several lug plates connection, one or several lug plates are equipped with contact switch on face, and the contact is opened
Close include stationary contact, acting arm, power-assist porcelain stick, with limit hole with the supporting element of support limit power-assist porcelain stick, the acting arm
Movable end has the touching that can be matched with stationary contact as below heat-sensitive duplex metal actuator on the acting arm movable end
Point, power-assist porcelain stick are erected at acting arm and actuator across the limit hole of supporting element；It further include self-locking group of contact switch
Part, it is described from lock set include the sitting posture bracket being rotatably arranged on main casing, suspension be set on sitting posture bracket]
Type locating part, ontology that the sitting posture bracket includes front and rear sides top with suspension parts, in body lower part and inwardly
The convex leg extended is located under suspension parts at the rotation support of the sitting posture bracket and main casing rotation connection on the body
It is side, described] on type locating part with suspension component cooperate with suspension parts, pass through suspension parts and hang auxiliary section
The cooperation of part will] type locating part hangs on sitting posture bracket, described] and the center of gravity of type locating part be located at it is partially outer with branch armshaft cooperation point
It is position, described] the lower bottom part inside edge of type locating part is provided with limited step；In the lower company cooperated with temp sensing controller
When connecing device insertion, the dynamic convex leg of sitting posture bracket is pushed outward, sitting posture bracket rotates on a main housing, so that on sitting posture rack body
Suspension parts at move inward in the horizontal direction so that on suspension ontology] type locating part is also in the horizontal direction
It moves inward ,] inner surface of type locating part leans on to contact switch acting arm edge, and it is standby from lock set；It is being located at self-locking group
Contact switch movement on the inside of part, i.e. acting arm movable end link under the driving of heat-sensitive duplex metal actuator through power-assist porcelain stick,
It is jumped under acting arm movable end, triggers the contact in acting arm and the state relation of stationary contact, realize contact switch switch, simultaneously]
Type locating part because no abutting relation continues inside micro- rotation under self gravitation effect ,] type locating part step moves to acting arm activity
The top at end, sitting posture bracket act reset front contact switch acting arm in] type locating part step lower limit, realize contact open
Close the locking of action state；Lower connector is detached from temp sensing controller, that is, the external force for pushing convex leg is removed, and sitting posture bracket exists
Reversely rotated under self gravitation effect, sitting posture rack body with] type locating part is displaced outwardly in the horizontal direction ,] type limit
Part step is moved outwardly away from contact switch acting arm, and the unlock of contact switch acting arm is resetted from lock set, double under the state
When heat-sensitive duplex metal actuator resets, acting arm can go up jump, movable contact and stationary contact state reset, i.e. contact switch resets.
As an improvement: the suspension parts on the sitting posture rack body are the branch armshaft that two sides are cut flat with, described] type
Suspension component on locating part is to be inserted into the slot that ecto-entad extends for sitting posture bracket branch armshaft, by branch armshaft and is inserted
The cooperation of slot will] type locating part hangs on sitting posture bracket.
As an improvement: the stationary contact is fixedly arranged on main casing or corresponds on lug plate.
As an improvement: it is described] be provided with hanging hole on the outside of type locating part, be connected with spring on hanging hole, spring it is another
One end connects on a main housing.
As an improvement: it is described] type locating part outboard end have center of gravity adjusting block.
Temp sensing controller of the invention, due to using sitting posture bracket and] cooperation and self gravity of type locating part
Influence to realize that the self-locking function of contact switch avoids torsional spring part elastic force and curvature position from lock set without torsional spring part
The influence set effectively avoids torsional spring technique and requires problem, and requires lower connector insertion depth low, structure letter from lock set
Technique requirement that is single, greatly reducing components, due to no torsional spring part, it also brings very big convenience in terms of assembly ,] type limit
The design of position part shape and position of centre of gravity can preferably realize limitation locking function and convenient assembly.The present invention is again thorough simultaneously
Bottom eliminates security risk, and overall volume is small, more compact in structure, so that structure small utility.
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the first embodiment of temp sensing controller of the present invention.
Fig. 2 is that the temp sensing controller of Fig. 1 removes the structural schematic diagram after fixed plate.
Fig. 3 is the structural schematic diagram from lock set standby mode.
Fig. 4 is structural schematic diagram when contact switch acts.
Fig. 5 is the structural schematic diagram realized when locking from lock set.
Fig. 6 is the structural schematic diagram of second of embodiment of temp sensing controller of the present invention.
Fig. 7 is the structural schematic diagram of the third embodiment of temp sensing controller of the present invention.
Specific embodiment
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of specific embodiment of temp sensing controller of the present invention, including master
Shell 1, the fixed plate 2 being fixedly mounted on main casing 1, the heat-sensitive duplex metal actuator 3 being fixedly mounted in fixed plate 2, institute
It states and several concentric drums ring electrodes 4 is installed in the back side annular groove of main casing 1, the concentric drums ring electrode and peace
It being connected loaded on several lug plates corresponding on main casing front, one or several lug plates are equipped with contact switch,
The contact switch includes stationary contact, acting arm 9, power-assist porcelain stick 11, band limit hole 12-1 with support limit power-assist porcelain stick 11
Supporting element 12, the movable end of the acting arm is as 3 lower section of heat-sensitive duplex metal actuator, band on the acting arm movable end
There is the contact that can be matched with stationary contact, the limit hole 12-1 that power-assist porcelain stick 11 passes through supporting element is erected at acting arm and actuator
Between；Further include contact switch from lock set, it is described from lock set include the sitting posture being rotatably arranged on main casing 1
Bracket 6, suspension are set on sitting posture bracket 6] type locating part 7, the sitting posture bracket 6 includes front and rear sides top with outstanding
The ontology 6-1 for hanging component, the convex leg 6-2 extended in body lower part and inwardly, on ontology 6-1 the sitting posture bracket 6 and
It is be located at the lower section of suspension parts at the rotation support of the rotation connection of main casing 1, described] it has on type locating part 7 and suspension part
The suspension component of part cooperation, pass through suspension parts and suspension component cooperation will] type locating part 7 hangs on sitting posture branch
It is described on frame 6] center of gravity of type locating part 7 is located at and matches the inclined external position of chalaza with branch armshaft 6-4, described] under type locating part 7
Bottom inside edge is provided with limited step 7-2；In the lower connector insertion cooperated with temp sensing controller, push outward dynamic
The convex leg 6-2 of sitting posture bracket 6, sitting posture bracket 6 rotate on main casing 1, so that the suspension parts on 6 ontology 6-1 of sitting posture bracket
Place moves inward in the horizontal direction, so that on suspension ontology 6-1] the also inwardly shifting in the horizontal direction of type locating part 7
It is dynamic ,] inner surface of type locating part 7 leans on to contact switch acting arm edge, and it is standby from lock set；It is being located on the inside of self-locking component
Contact switch movement, i.e. acting arm movable end under the driving of heat-sensitive duplex metal actuator 3, through power-assist porcelain stick 11 link, move
Jumped under contact arm movable end, trigger the contact in acting arm and the state relation of stationary contact, realize contact switch switch, simultaneously] type
Locating part 7 because no abutting relation continues inside micro- rotation under self gravitation effect ,] type locating part 7 step move to acting arm activity
The top at end, acted in sitting posture bracket 6 reset the acting arm of front contact switch in] 7 step lower limit of type locating part, realize contact
The locking of switch motion state；Lower connector is detached from temp sensing controller, that is, the external force for pushing convex leg 6-2 is removed, sitting posture
Bracket 6 reversely rotates under self gravitation effect, 6 ontology 6-1 of sitting posture bracket with] type locating part 7 in the horizontal direction outward
It is mobile ,] type locating part 7 step be moved outwardly away from contact switch acting arm, the unlock of contact switch acting arm is multiple from lock set
, under the state, when double heat-sensitive duplex metal actuators 3 reset, acting arm can go up jump, movable contact and stationary contact state reset, i.e.,
Contact switch resets.
Suspension parts on the 6 ontology 6-1 of sitting posture bracket are the branch armshaft 6-4 that two sides are cut flat with, described] type locating part
Suspension component on 7 is to be inserted into the slot 7-1 that ecto-entad extends for 6 armshaft 6-4 of sitting posture bracket, passes through branch armshaft 6-
4 with the cooperation of slot 7-1 will] type locating part 7 hangs on sitting posture bracket 6.Certainly can also be used] set on type locating part 7 fulcrum,
Set on sitting posture bracket 6 slot scheme or other suspension solutions can also, only need to realize that locating part 7 is hung on 6, sitting posture bracket
Body 6-1.The effect that the two sides branch armshaft 6-4 cut flat with design is: convenient] plugging in fitting from vertical direction of type locating part 7, dress
With rear] type locating part 7 on branch armshaft 6-4 it is rotatable without departing from.
It is second of embodiment of temp sensing controller of the present invention as shown in FIG. 6, described] 7 outboard end band of type locating part
Having center of gravity adjusting block 5, center of gravity adjusting block 5 can make] the swing limit effect of type locating part 7 is more preferable, and center of gravity sets more easily real partially
Existing, especially existing] when being plastic material, center of gravity becomes apparent type locating part 7, avoid deceptive movement, the validity of guarantee movement and steady
It is qualitative, and there is certain shock resistance.
The third embodiment of temp sensing controller of the present invention as shown in Figure 7, on the basis of the first embodiment
It is additionally arranged spring 8 ,] outside of type locating part 7 is provided with hanging hole 7-3, spring 8 is connected on hanging hole 7-3, the other end of spring 8 connects
It connects on main casing 1.Enable] 7 timely Rapid reset of type locating part, fastener phenomenon is avoided, while the connection relationship of spring 8 is also
It can play the role of anti-dropout.
Although the present invention is disclosed as above with specific embodiment, it is not intended to limit the invention, any this field
Technical staff still can make some changes and embellishment, therefore this hair without departing from the spirit and scope of the present invention
Bright protection scope should regard subject to the range institute defender of appended claims.
Claims (9)
1. a kind of temp sensing controller including main casing (1), the fixed plate (2) being fixedly mounted on main casing (1), is fixed
The heat-sensitive duplex metal actuator (3) being mounted on fixed plate (2), it is characterised in that: in the back side annular groove of the main casing (1)
Several concentric drums ring electrodes (4) are installed, the concentric drums ring electrode be installed on it is corresponding on main casing front
Several lug plates connection, one or several lug plates be equipped with contact switch, the contact switch includes quiet
Contact, acting arm (9), power-assist porcelain stick (11), with limit hole (12-1) with the supporting element (12) of support limit power-assist porcelain stick (11),
The movable end of the acting arm as below heat-sensitive duplex metal actuator (3), on the acting arm movable end with can with it is quiet
The contact that contact matches, the limit hole (12-1) that power-assist porcelain stick (11) passes through supporting element be erected at acting arm and actuator it
Between；Further include contact switch from lock set, it is described from lock set include the sitting posture being rotatably arranged on main casing (1)
Bracket (6), suspension are set on sitting posture bracket (6)] type locating part (7), the sitting posture bracket (6) includes on front and rear sides
Ontology (6-1) of the portion with suspension parts, the convex leg (6-2) extended in body lower part and inwardly, the institute on ontology (6-1)
The lower section for being located at suspension parts at the rotation support of sitting posture bracket (6) and main casing (1) rotation connection is stated, described] type limit
With the suspension component cooperated with suspension parts on part (7), incited somebody to action by the cooperation of suspension parts and suspension component] type
Locating part (7) is hung on sitting posture bracket (6), described] center of gravity of type locating part (7) be located at it is inclined with chalaza with branch armshaft (6-4)
It is external position, described] the lower bottom part inside edge of type locating part (7) is provided with limited step (7-2)；With temp sensing controller
When the lower connector insertion of cooperation, the convex leg of dynamic sitting posture bracket (6) (6-2) is pushed outward, sitting posture bracket (6) is in main casing (1)
Upper rotation, so that being moved inward in the horizontal direction at suspension parts on sitting posture bracket (6) ontology (6-1), so that outstanding
Hang on ontology (6-1)] type locating part (7) also moves inward in the horizontal direction ,] inner surface of type locating part (7) is by extremely
Contact switch acting arm edge, it is standby from lock set；In the contact switch movement being located on the inside of self-locking component, i.e. acting arm activity
End is linked under the driving of heat-sensitive duplex metal actuator (3) through power-assist porcelain stick (11), is jumped under acting arm movable end, and dynamic touching is triggered
The state relation of contact and stationary contact on arm realizes contact switch switch, simultaneously] type locating part (7) exists because of no abutting relation
Continue inwardly micro- rotation under self gravitation effect ,] type locating part (7) step moves to the top of acting arm movable end, in sitting posture bracket
(6) movement reset the acting arm of front contact switch in] type locating part (7) step lower limit, realize contact switch action state
Locking；Lower connector is detached from temp sensing controller, that is, the external force for pushing convex leg (6-2) is removed, and sitting posture bracket (6) is at itself
Reversely rotated under gravity, sitting posture bracket (6) ontology (6-1) with] type locating part (7) is displaced outwardly in the horizontal direction ,]
Type locating part (7) step is moved outwardly away from contact switch acting arm, and the unlock of contact switch acting arm is resetted from lock set, should
Under state, when double heat-sensitive duplex metal actuators (3) reset, acting arm can go up jump, movable contact and stationary contact state reset, i.e. contact
Switch resets.
2. temp sensing controller according to claim 1, it is characterised in that: described sitting posture bracket (6) ontology (6-1)
On suspension parts be the branch armshaft (6-4) that cuts flat with of two sides, it is described] the suspension component on type locating part (7) is for sitting posture
Bracket (6) branch armshaft (6-4) is inserted into the slot (7-1) that ecto-entad extends, and passes through matching for branch armshaft (6-4) and slot (7-1)
Close will] type locating part (7) hangs on sitting posture bracket (6).
3. temp sensing controller according to claim 1 or 2, it is characterised in that: the stationary contact is fixedly arranged on main casing
On body or on corresponding lug plate.
4. temp sensing controller according to claim 1 or 2, it is characterised in that: described] type locating part (7) it is outer
Side is provided with hanging hole (7-3), is connected on hanging hole (7-3) spring (8), and the other end of spring is connected on main casing (1).
5. temp sensing controller according to claim 3, it is characterised in that: described] type locating part opens on the outside of (7)
Have hanging hole (7-3), be connected on hanging hole (7-3) spring (8), the other end of spring is connected on main casing (1).
6. temp sensing controller according to claim 1 or 2, it is characterised in that: described] type locating part (7) outside
End has center of gravity adjusting block (5).
7. temp sensing controller according to claim 3, it is characterised in that: described] type locating part (7) outboard end band
There are center of gravity adjusting block (5).
8. temp sensing controller according to claim 4, it is characterised in that: described] type locating part (7) outboard end band
There are center of gravity adjusting block (5).
9. temp sensing controller according to claim 5, it is characterised in that: described] type locating part (7) outboard end band
There are center of gravity adjusting block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832825.3A CN107491140B (en) | 2017-09-15 | 2017-09-15 | Temp sensing controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832825.3A CN107491140B (en) | 2017-09-15 | 2017-09-15 | Temp sensing controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107491140A CN107491140A (en) | 2017-12-19 |
| CN107491140B true CN107491140B (en) | 2019-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710832825.3A Active CN107491140B (en) | 2017-09-15 | 2017-09-15 | Temp sensing controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN107491140B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265258B (en) * | 2019-07-15 | 2021-01-15 | 浙江家泰电器制造有限公司 | Temperature controller |
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|---|---|---|---|---|
| EP1565037A1 (en) * | 2001-02-19 | 2005-08-17 | Strix Limited | Thermally sensitive control for a liquid heating vessel |
| CN101634865A (en) * | 2008-07-27 | 2010-01-27 | 宁波好伙伴电器有限公司 | Thermal sensitive temperature control device and liquid heater |
| CN202209785U (en) * | 2011-08-31 | 2012-05-02 | 乐清市发达电器有限公司 | Dry burning protection controller used for liquid heater |
| CN102458194A (en) * | 2009-05-07 | 2012-05-16 | 翱泰温控器(深圳)有限公司 | Thermal controls |
| CN202351720U (en) * | 2011-12-14 | 2012-07-25 | 浙江家泰电器制造有限公司 | Temperature sensitivity controller |
| CN202404461U (en) * | 2011-12-14 | 2012-08-29 | 浙江家泰电器制造有限公司 | Temperature sensitive controller |
| CN103235609A (en) * | 2013-03-29 | 2013-08-07 | 浙江达威电子有限公司 | Controller with multi-level protection function for liquid heating container |
| CN203914527U (en) * | 2014-06-20 | 2014-11-05 | 浙江家泰电器制造有限公司 | Temp sensing controller |
| CN104181956A (en) * | 2013-05-23 | 2014-12-03 | 广东新宝电器股份有限公司 | Temperature control device and liquid heater adopting same |
-
2017
- 2017-09-15 CN CN201710832825.3A patent/CN107491140B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1565037A1 (en) * | 2001-02-19 | 2005-08-17 | Strix Limited | Thermally sensitive control for a liquid heating vessel |
| CN101634865A (en) * | 2008-07-27 | 2010-01-27 | 宁波好伙伴电器有限公司 | Thermal sensitive temperature control device and liquid heater |
| CN102458194A (en) * | 2009-05-07 | 2012-05-16 | 翱泰温控器(深圳)有限公司 | Thermal controls |
| CN202209785U (en) * | 2011-08-31 | 2012-05-02 | 乐清市发达电器有限公司 | Dry burning protection controller used for liquid heater |
| CN202351720U (en) * | 2011-12-14 | 2012-07-25 | 浙江家泰电器制造有限公司 | Temperature sensitivity controller |
| CN202404461U (en) * | 2011-12-14 | 2012-08-29 | 浙江家泰电器制造有限公司 | Temperature sensitive controller |
| CN103235609A (en) * | 2013-03-29 | 2013-08-07 | 浙江达威电子有限公司 | Controller with multi-level protection function for liquid heating container |
| CN104181956A (en) * | 2013-05-23 | 2014-12-03 | 广东新宝电器股份有限公司 | Temperature control device and liquid heater adopting same |
| CN203914527U (en) * | 2014-06-20 | 2014-11-05 | 浙江家泰电器制造有限公司 | Temp sensing controller |
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| Publication number | Publication date |
|---|---|
| CN107491140A (en) | 2017-12-19 |
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Inventor after: Zheng Hesheng Inventor after: Yang Qiang Inventor before: Yang Qiang Inventor before: Zheng Hesheng |