CN206132291U - Linear hall pressure sensing detection device - Google Patents
Linear hall pressure sensing detection device Download PDFInfo
- Publication number
- CN206132291U CN206132291U CN201621011569.9U CN201621011569U CN206132291U CN 206132291 U CN206132291 U CN 206132291U CN 201621011569 U CN201621011569 U CN 201621011569U CN 206132291 U CN206132291 U CN 206132291U
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- screw mandrel
- pressure
- hall element
- sensing detection
- pot
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Abstract
The utility model discloses a linear hall pressure sensing detection device, include the outer pot and locate the interior pot in its, be equipped with the electric hot tray between interior pot and outer pot, its technical scheme's main points are: be equipped with magnetic part and hall element response mechanism on the outer pot, work as interior pot removes because of internal pressure changes the inflation, the electric hot tray drives the magnetic part and removes, hall element response mechanism exports the signal of telecommunication according to the magnetic variation. The utility model provides a linear hall pressure sensing detection device has utilized hall element response mechanism, the linear characteristic of the hall voltage value of the weak feedback of perception magnetic field strength, and the accurate pressure value that detects, and through induced voltage and turn into signal output, the error is little, and the degree of accuracy is high, easy control, safe and reliable.
Description
【Technical field】
This utility model is related to electric pressure cooking saucepan technical field, and in particular to linear Hall pressure sensing detection means.
【Background technology】
Existing electric pressure cooking saucepan, the method for controlling pot inner pressure generally adopts pressure switch apparatus, will switch and be arranged on
Relevant position on outer pot is fixed, and electric hot tray is fixed on flexible sheet, and flexible sheet is fixedly connected again with outer pot, when interior pot pressure
After power increases, the downward turgor movement of interior pot promotes the pressure switch on outer pot to couple adjustable screw mandrel, so as to promote in pressure switch
Movable contact link arm, promote contact to disconnect and down circuitry, so control jug with heating disk and stop controlling pot inner pressure.
This pressure control device can only realize one section of Stress control, it is impossible to meet requirement of the various food materials to different pressures, it is impossible to side
Just user cooks the food of different taste, and the short food of cooking time is too hard, and the long food of cooking time is too rotten.
I takes charge of patent：ZL 200510100475.9 in order to solve above-mentioned only one section of pressure controling mode, using one
Transmission arm perceives the downward displacement of expansion heat-generating disc in pot, and the elastic matrix for making strain gauge deforms, and the elastic matrix of deformation is
The electrical characteristics of sensitive foil also produce controllable electric signal transmission to central processing unit therewith change, are believed by computing output control
Number and show signal, the break-make of control circuit relay and control pot inner pressure, the patent solve can with multistage Stress control,
Can in real time show pot inner pressure state simultaneously.But the structure is due to the material characteristic of elastic matrix, and the material of sensitive foil
Matter characteristic, applies routine use electrical equipment this in electric pressure cooking saucepan, due to the pot ambient temperature that uses and usage frequency, exists
Instability problem, while the strain linearity range of elastic matrix is shorter so that AD error amounts are larger, between strain value and actual operation value
Error amount will be inaccurate, so as to cannot accurate pressure control.
【The content of the invention】
This utility model purpose is to overcome deficiency of the prior art, there is provided linear Hall pressure sensing detection means, profit
The linear characteristic of the Hall voltage value fed back with Hall element induction mechanism, perception magnetic field power, and accurate detection pressure value,
By induced voltage and signal output is converted into, error is little, accuracy is high, it is easy to control, safe and reliable.
This utility model is achieved through the following technical solutions：
Linear Hall pressure sensing detection means, including outer pot and interior pot in the inner is set, set between the interior pot and outer pot
There is electric hot tray, it is characterised in that：The outer pot is provided with magnetic part and Hall element induction mechanism, when the interior pot is because of internal pressure
Power changes and expands movement, and the electric hot tray drives magnetic part movement, and the Hall element induction mechanism is defeated according to changes of magnetic field
Go out the signal of telecommunication.
Linear Hall pressure sensing detection means as above, it is characterised in that：The Hall element induction mechanism bag
The sensor base on the outer pot is included, the sensor base is provided with hall element sensor, the sensor bottom
The top pressure elastic component of the screw mandrel that is zeroed described in zero screw mandrel and top pressure is additionally provided with seat, the zero screw mandrel is connected with the magnetic part
And together move, when the interior pot expands movement because internal pressure changes, be zeroed screw mandrel and band described in the electric hot tray top pressure
When dynamic its is moved back and forth, the magnetic part is moved back and forth with zero screw mandrel, and the hall element sensor induced field changes simultaneously
It is converted into electric signal output.
Linear Hall pressure sensing detection means as above, it is characterised in that：The zero screw mandrel and top pressure elasticity
Sensor activity block is provided between part, the magnetic part is fixed on the sensor activity block, in the sensor activity block
Flexible connection hole is provided with, the zero screw rod bushing is in the flexible connection hole.
Linear Hall pressure sensing detection means as above, it is characterised in that：The hall element sensor includes
Integrated circuit pcb board in the sensor base, the integrated circuit pcb board is provided with for sensing the magnetic part
Displacement integrated circuit Hall element, be additionally provided with for induced signal to be amplified in real time on the integrated circuit pcb board
The integrated circuit IC elements of output.
Linear Hall pressure sensing detection means as above, it is characterised in that：Be provided with the flexible connection hole with
The top internal screw thread that the zero screw mandrel coordinates.
Linear Hall pressure sensing detection means as above, it is characterised in that：The electric hot tray is provided with and protrudes from
Connection cylinder on the outside of it, when pot is moved in electric hot tray institute, is zeroed described in one end top pressure of the connection cylinder protrusion
Screw mandrel is moved.
Linear Hall pressure sensing detection means as above, it is characterised in that：Cunning is provided with the sensor base
Dynamic inner chamber, the induction apparatuss movable block can reciprocatingly slide along the slip inner chamber, between the slip inner chamber and top pressure elastic component
Top pressure screw mandrel is provided with, intracavity is additionally provided with the bottom internal screw thread coordinated with the top pressure screw mandrel in the slip.
Linear Hall pressure sensing detection means as above, it is characterised in that：The magnetic part is permanent magnet or electricity
Magnet.
Linear Hall pressure sensing detection means as above, it is characterised in that：The hall element sensor output
For voltage signal.
Compared with prior art, this utility model has the following advantages：
Linear Hall pressure sensing detection means of the present utility model, make use of hall element sensor, perceive magnetic field strong
The linear characteristic of the Hall voltage value of weak feedback, can be defeated with the corresponding inner pot pressure value of the elastic displacement of accurate feedback electric hot tray
Go out signal, pot inner pressure be accurately controlled by control circuit, realize linear Stress control, meet various pressure value controls,
The use environment temperature of Hall element can be at -55 DEG C～150 DEG C, while high precision good linearity, and ruggedness is good, can meet electricity
The usage frequency of pressure cooker, zero screw mandrel and sensor activity block, are capable of the displacement movement of direct feedback electric hot tray, can be accurate
The corresponding signal of telecommunication of pressure value of pot, makes controller be precisely controlled the pressure of electric pressure cooking saucepan in feedback correspondence.
【Description of the drawings】
Fig. 1 is this utility model generalized section；
Fig. 2 is this utility model decomposing schematic representation；
Fig. 3 is this utility model partial cutaway schematic.
【Specific embodiment】
As shown in drawings linear Hall pressure sensing detection means, including outer pot 1 and interior pot 2 in the inner is set, it is described
Electric hot tray 3 is provided between interior pot 2 and outer pot 1, the outer pot 1 is provided with magnetic part 4 and Hall element induction mechanism 5, when described interior
When the expansion of pot 2 is mobile, the electric hot tray 3 drives magnetic part 4 to move, and the Hall element induction mechanism 5 is defeated according to changes of magnetic field
Go out the signal of telecommunication.This device design principle, using the Hall voltage of Hall element with the linear characteristic of changes of magnetic field, magnetic field it is strong
Weak and Hall element linear range has relation simultaneously linear, and the Hall voltage of linear hall element induction mechanism is with magnetic field intensity
Change and change, magnetic field is stronger, and voltage is higher, and magnetic field is weaker, and voltage is lower, interior pot because of pressure change during turgor movement,
Electric hot tray is moved with interior pot, and then drives magnetic part movement, forms the magnetic field of change, and Hall element induction mechanism produces faradism
Pressure, and the signal of telecommunication is constantly exported, it is converted into display signal and shows pressure value, and output control signal is to the control machine of electric pressure cooking saucepan
Structure, carries out heating output control, reaches the purpose of precise control pressure, is adapted to multisection type or the setting of various pressure limits, manipulation
It is convenient.
The Hall element induction mechanism 5 includes the sensor base 51 on the outer pot 1, the sensor base
51 are provided with hall element sensor 54, and the screw mandrel that is zeroed is additionally provided with described in zero screw mandrel 52 and top pressure in the sensor base 51
52 top pressure elastic component 55, the zero screw mandrel 52 is connected with the magnetic part 4 and together moves, when the interior pot 2 is because of inside
Pressure change and expand movement, be zeroed screw mandrel 52 and when driving it to move back and forth described in the top pressure of the electric hot tray 3, the magnetic part
4 move back and forth with zero screw mandrel 52, and the induced field of the hall element sensor 54 changes and be converted into electric signal output.When interior
Pot expands when moving up and down because of pressure change, and electric hot tray is moved up and down with interior pot, and then drives zero screw mandrel and magnetic part
Move up and down, hall element sensor is converted into pressure value output control signal, phase while the signal of changes of magnetic field is received
For original structure, more accurately pressure condition can be measured and is exported, error is less, and reduce it is unstable
Affect.
Sensor activity block 56 is provided between the zero screw mandrel 52 and top pressure elastic component 55, the magnetic part 4 is fixed at
On the sensor activity block 56, flexible connection hole 57 is provided with the sensor activity block 56, the zero screw mandrel 52 is arranged
In the flexible connection hole 57.Magnetic part is fixed on sensor activity block, and zero screw rod bushing is protected located at being flexibly connected in hole
Card magnetic part forms stable magnetic field along linearly moving back and forth, and coordinates hall element sensor to collect feedback signal, it is ensured that to measure
Precisely.
The hall element sensor 54 includes the integrated circuit pcb board 541 in the sensor base 51, described
Integrated circuit pcb board 541 is provided with the integrated circuit Hall element 542 for sensing the displacement of the magnetic part 4, described
The integrated circuit IC elements 543 for induced signal to be amplified in real time output are additionally provided with integrated circuit pcb board 541.Hall unit
Part sensor adopts hermetic design, is not affected by steam in environment etc., due to Hall voltage value, the amplification in Jing integrated circuits
Device amplifies, and the voltage amplification can be made to be enough to export stronger signal, so as to output display, and the signal of telecommunication is fed back to into electricity
Pressure cooker control system, sets for the pressure of different parameters, the circuit work of control voltage power pot.
The top internal screw thread 8 coordinated with the zero screw mandrel 52 is provided with the flexible connection hole 57.Zero screw mandrel passes through
Inner screw, can adjust its spacing with Magnet so that the mobile change of interior pot, during the changes of magnetic field of reflection to Magnet, pass through
The regulation of zero screw mandrel, enables Hall element induction apparatuss to be located at changes of magnetic field and senses most sensitive position, it is ensured that pressure sensitive
Effectiveness and accuracy.
The electric hot tray 3 is provided with the connection cylinder 31 protruded from the outside of it, when pot 2 is moved in the institute of the electric hot tray 3,
The screw mandrel 52 that is zeroed described in one end top pressure of connection cylinder 31 protrusion is moved.Electric hot tray design connection cylinder, with zero screw mandrel
Individually contact, makes change in displacement accurately be converted into changes of magnetic field, it is ensured that the sensitivity of induced signal.
Slip inner chamber 58 is provided with the sensor base 51, the induction apparatuss movable block 56 can be along the slip inner chamber
58 reciprocatingly slide, and are provided between the slip inner chamber 58 and top pressure elastic component 55 in top pressure screw mandrel 59, the slip inner chamber 58 and also set
There is the bottom internal screw thread 9 coordinated with the top pressure screw mandrel 59.Zero screw mandrel and sensor can be adjusted by adjusting bottom internal screw thread
The moving range of movable block, zero screw mandrel and sensor activity block are linearly moved back and forth along slip inner chamber, and then drive magnet wire
Property movement, produce change magnetic field.
The magnetic part 4 is permanent magnet or electric magnet.Magnetic part can as needed be designed as permanent magnet or electric magnet.
The output of the hall element sensor 54 for voltage signal.The sensing detection magnetic field of Hall element and its change,
Induced voltage generally only has several milliamperes, and high using medium sensitivity, the linearity is good.
This device operating principle：
When inner pot of electric pressure cooker pressure increases, the downward turgor movement of interior pot promotes electric hot tray to move downward, the company of electric hot tray
Connecing cylinder promotes zero screw mandrel and sensor activity block to move down, so as to magnetic part linearly connects with hall element sensor distance
Closely, magnetic field is increasing, and the Hall voltage value of feedback is increasing, and Jing integrated circuit operationals amplify the corresponding Stress control of output
Signal and display signal, the break-make of via controller control circuit, reach the purpose of control pot inner pressure；
When inner pot of electric pressure cooker pressure reduces, flexible sheet reset jack-up heat-generating disc, top pressure resilient element urges zero screw mandrel
And sensor activity block is moved upwards, so as to magnetic part linearly leaves hall element sensor, magnetic field is less and less, and feedback is suddenly
Your magnitude of voltage is less and less, and Jing integrated circuit operationals amplify the corresponding pressure controling signal of output and show signal, via controller
The break-make of control circuit, reaches the purpose of control pot inner pressure.
Claims (9)
1. linear Hall pressure sensing detection means, including outer pot (1) and interior pot (2) in the inner is set, the interior pot (2) and outer
Electric hot tray (3) is provided between pot (1), it is characterised in that：The outer pot (1) is provided with magnetic part (4) and Hall element induction mechanism
(5), when interior pot (2) the expansion movement, the electric hot tray (3) drives magnetic part (4) to slide, the Hall element inductor
Structure (5) exports the signal of telecommunication according to changes of magnetic field.
2. linear Hall pressure sensing detection means according to claim 1, it is characterised in that：The Hall element sensing
Mechanism (5) includes the sensor base (51) on the outer pot (1), and the sensor base (51) is provided with Hall element
Sensor (54), is additionally provided with the top pressure of the screw mandrel (52) that is zeroed described in zero screw mandrel (52) and top pressure on the sensor base (51)
Elastic component (55), zero screw mandrel (52) is connected with the magnetic part (4) and together moves, when the interior pot (2) is because of inside
Pressure change and expand movement, be zeroed screw mandrel (52) and when driving it to move back and forth described in electric hot tray (3) top pressure, the magnetic
Property part (4) with zero screw mandrel (52) move back and forth, hall element sensor (54) induced field changes and is converted into telecommunications
Number output.
3. linear Hall pressure sensing detection means according to claim 2, it is characterised in that：Zero screw mandrel (52)
Sensor activity block (56) is provided with between top pressure elastic component (55), the magnetic part (4) is fixed at the sensor activity block
(56) on, flexible connection hole (57) is provided with the sensor activity block (56), zero screw mandrel (52) is sheathed on the work
In dynamic connecting hole (57).
4. linear Hall pressure sensing detection means according to claim 2, it is characterised in that：The Hall element sensing
Device (54) includes the integrated circuit pcb board (541) in the sensor base (51), the integrated circuit pcb board (541)
It is provided with the integrated circuit Hall element (542) for sensing the displacement of the magnetic part (4), the integrated circuit PCB
The integrated circuit IC elements (543) for induced signal to be amplified in real time output are additionally provided with plate (541).
5. linear Hall pressure sensing detection means according to claim 3, it is characterised in that：The flexible connection hole
(57) the top internal screw thread (8) coordinated with zero screw mandrel (52) is provided with.
6. linear Hall pressure sensing detection means according to claim 2, it is characterised in that：On the electric hot tray (3)
It is provided with and protrudes from connection cylinder (31) on the outside of it, when pot (2) is mobile in the electric hot tray (3) institute, the connection cylinder
(31) screw mandrel (52) that is zeroed described in one end top pressure of protrusion is mobile.
7. linear Hall pressure sensing detection means according to claim 3, it is characterised in that：The sensor base
(51) slip inner chamber (58) is provided with, the induction apparatuss movable block (56) can reciprocatingly slide along the slip inner chamber (58), institute
State and top pressure screw mandrel (59) is provided between slip inner chamber (58) and top pressure elastic component (55), be additionally provided with and institute in the slip inner chamber (58)
State the bottom internal screw thread (9) of top pressure screw mandrel (59) cooperation.
8. linear Hall pressure sensing detection means according to claim 1, it is characterised in that：The magnetic part (4) is
Permanent magnet or electric magnet.
9. linear Hall pressure sensing detection means according to claim 3, it is characterised in that：The Hall element sensing
Device (54) is output as voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621011569.9U CN206132291U (en) | 2016-08-31 | 2016-08-31 | Linear hall pressure sensing detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621011569.9U CN206132291U (en) | 2016-08-31 | 2016-08-31 | Linear hall pressure sensing detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132291U true CN206132291U (en) | 2017-04-26 |
Family
ID=58567096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621011569.9U Active CN206132291U (en) | 2016-08-31 | 2016-08-31 | Linear hall pressure sensing detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206132291U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113689A (en) * | 2020-09-15 | 2020-12-22 | 智能移动机器人(中山)研究院 | Spring plantar sensor system based on Hall |
| CN114223382A (en) * | 2021-12-30 | 2022-03-25 | 丁建国 | Vegetable planting weeding equipment |
| CN115067739A (en) * | 2022-02-25 | 2022-09-20 | 浙江绍兴苏泊尔生活电器有限公司 | Pressure cooker, pressure cooker control method, storage medium, and electronic device |
-
2016
- 2016-08-31 CN CN201621011569.9U patent/CN206132291U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113689A (en) * | 2020-09-15 | 2020-12-22 | 智能移动机器人(中山)研究院 | Spring plantar sensor system based on Hall |
| CN114223382A (en) * | 2021-12-30 | 2022-03-25 | 丁建国 | Vegetable planting weeding equipment |
| CN114223382B (en) * | 2021-12-30 | 2023-03-10 | 丁建国 | Vegetable planting weeding equipment |
| CN115067739A (en) * | 2022-02-25 | 2022-09-20 | 浙江绍兴苏泊尔生活电器有限公司 | Pressure cooker, pressure cooker control method, storage medium, and electronic device |
| CN115067739B (en) * | 2022-02-25 | 2023-07-14 | 浙江绍兴苏泊尔生活电器有限公司 | Pressure cooker, control method of pressure cooker, storage medium and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528200 No.9 West Industrial Avenue, Songgang Songxia Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Yilipu Group Co.,Ltd. Address before: No. 9, West Industrial Avenue, Songgang Songxia Industrial Park, Shishan Town, Nanhai District, Foshan, Guangdong 528200 Patentee before: DEA GENERAL AVIATION HOLDING Co.,Ltd. |
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| CP03 | Change of name, title or address |