CN111677926A - Elastic piece pressure regulating structure and hydraulic system air pressure regulating device - Google Patents
Elastic piece pressure regulating structure and hydraulic system air pressure regulating device Download PDFInfo
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- CN111677926A CN111677926A CN202010412434.8A CN202010412434A CN111677926A CN 111677926 A CN111677926 A CN 111677926A CN 202010412434 A CN202010412434 A CN 202010412434A CN 111677926 A CN111677926 A CN 111677926A
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- elastic
- cavity
- pressure regulating
- hydraulic system
- air pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses an elastic sheet pressure regulating structure and a hydraulic system air pressure regulating device.A through hole is formed in the center of a partition plate, and a plurality of spliced elastic sheets are covered on the through hole; the partition board is arranged in the upper cover and divides the interior of the upper cover into an upper cavity and a lower cavity, the lower cavity is an internal air circulation channel, and the upper cavity is a channel for communicating the lower cavity with external air; in a normal state, all the elastic pieces are in a horizontal position; when pressure difference exists between the inside and the outside, the elastic sheets are pressed to warp upwards or downwards to open and communicate the upper cavity and the lower cavity. According to the invention, the central through hole of the partition plate is covered by the plurality of butted elastic fan-shaped blocks, so that the purposes of sealing in a normal state and opening the fan-shaped blocks to deflate or supplement air in overpressure or underpressure are realized, the integral structure is simpler, the required elements are fewer, and the installation process is simple; moreover, as long as the sector is an elastic sheet, the sector can be kept horizontal when not pressed and can be warped up and down when pressed, and the selected limitation is small.
Description
Technical Field
The invention relates to the technical field of hydraulic system equipment, in particular to an elastic sheet pressure regulating structure and a hydraulic system air pressure regulating device.
Background
In a hydraulic system, an oil tank is an indispensable oil storage device for supplying oil to a hydraulic cylinder; the diameters of the rod diameter and the plug diameter of the hydraulic cylinder are different usually, and hydraulic components are different, when a hydraulic system works normally, the forward movement and the backward movement of the hydraulic cylinder can lead to unequal oil amount in an oil tank, namely, the oil level height of the oil tank can change along with the movement of the hydraulic cylinder, and when the liquid level of the oil tank changes, the air is supplemented into the oil tank or the oil tank is exhausted outwards so as to keep the hydraulic balance in the oil tank.
The applicant's chinese utility model patent CN209704947U discloses a hydraulic system lung isolation device, which is a totally enclosed structure, an upper end cavity of a gas storage device is communicated with an oil tank through a pipeline, the upper end cavity of the gas storage device is provided with a gas pressure adjusting device through a partition plate, the gas pressure adjusting device comprises a two-way safety valve, a sealing ring is arranged inside the two-way safety valve, an upper boss and a lower boss are arranged at the central position of the sealing ring, the upper boss and the lower boss are respectively fixedly connected with a pressing sleeve and a sliding rod, and the pressing sleeve and the sliding rod are respectively sleeved with an elastic element; when the internal gas storage device is in a normal state, the internal and external air pressures are balanced, and the sealing ring and the partition plate in the middle of the two-way safety valve are in the same horizontal position, so that the internal gas storage device is totally closed and isolated from an air source; when the internal gas storage device is in overpressure or underpressure, overpressure deflation and underpressure gas supply can be realized through the up-and-down movement of the two-way safety valve. The bidirectional safety valve of the lung isolating device of the hydraulic system needs to be connected with the pressing sleeve and the sliding rod through the upper boss and the lower boss, and elastic elements are sleeved on the pressing sleeve and the sliding rod to realize position keeping and resetting after sliding; in addition, in order to ensure the initial normal static state of the two-way safety valve, an adaptive elastic element needs to be selected according to the two-way safety valve so as to meet the requirement of elastic force, and the selection of the element has great limitation; in addition, when the two-way safety valve is in a static state in a normal state, the sealing ring in the middle of the two-way safety valve needs to be in the same horizontal position with the partition plate, namely, the requirement on the installation initial position of the two-way safety valve is met, the requirement on the installation position can be met only through repeated adjustment during installation, the installation process consumes a long time, and great labor cost is needed.
Disclosure of Invention
The applicant provides a rational in infrastructure flexure strip pressure regulating structure and hydraulic system air pressure regulating device, overall structure is simpler, the component is few, the component chooses for use the unrestricted nature, the installation is simple, the cost of labor is low to above-mentioned current hydraulic system isolation lung device structure is complicated relatively, the component is more, the component chooses for use to have the restriction, the installation is more loaded down with trivial details, need spend great cost of labor etc..
The technical scheme adopted by the invention is as follows:
a pressure regulating structure of an elastic sheet is characterized in that a through hole is formed in the center of a partition plate, and a plurality of spliced elastic sheets are covered on the through hole; when the elastic pieces are not pressed, each elastic piece is in a horizontal position, and the butt joint surfaces of the adjacent elastic pieces are jointed; when the pressure is applied, each elastic sheet warps upwards or downwards, the butt joint surfaces of the adjacent elastic sheets are opened, and after the pressure is balanced, the elastic sheets return through self elasticity.
As a further improvement of the above technical solution:
the elastic sheet is fan-shaped, or square, or triangular.
The elastic pieces are formed by cutting after a plurality of notches are arranged at the central parts of the blocking pieces; the baffle is a circular elastic sheet.
The cross section of the notch is an isosceles trapezoid with a small outer side and a large inner side.
The elastic sheets are independent elastic sheets.
The elastic pieces are pressed and fixed on the lower surface of the partition plate through the pressing plate.
An air pressure adjusting device of a hydraulic system adopts the elastic sheet pressure adjusting structure, a partition plate is arranged in an upper cover and divides the interior of the upper cover into an upper cavity and a lower cavity, the lower cavity is an internal air circulation channel, and the upper cavity is a channel for communicating the lower cavity with external air; in a normal state, each elastic sheet is in a horizontal position, and air flow between the upper cavity and the lower cavity is closed; when pressure difference exists between the inside and the outside, the elastic pieces are pressed to be warped upwards or downwards to open and communicate the upper cavity and the lower cavity, and the elastic pieces recover and seal through the elasticity of the elastic pieces when the inside and the outside air pressure are balanced.
As a further improvement of the above technical solution:
a filtering and drying device is also arranged in the upper cover, and the filtering and drying device is fixed on the upper surface of the partition plate and is positioned in the upper cavity; the filtering and drying device is positioned at the periphery of the central through hole of the clapboard.
The upper and lower ports of the upper cover are respectively and fixedly provided with an upper cover plate and a lower cover plate, the lower cover plate is fixedly connected with an opening sleeve, and the inner cavity of the upper cover is communicated with the gas storage device through the opening sleeve; a plurality of air holes are formed in the position, corresponding to the upper cavity, of the outer wall surface of the upper cover, a joint is arranged in the position, corresponding to the lower cavity, of the outer wall surface of the upper cover, and the oil tank is connected with the joint through a pipeline.
The opening sleeve is internally provided with a secondary filtering and drying net.
The invention has the following beneficial effects:
according to the invention, the central through hole of the partition plate is covered by the plurality of butted elastic fan-shaped blocks, so that the purposes of sealing in a normal state and opening the fan-shaped blocks to deflate or supplement air in overpressure or underpressure are realized, the integral structure is simpler, the required elements are fewer, and the installation process is simple; the fan-shaped blocks can be kept horizontal when not pressed and can be warped up and down when pressed as long as the fan-shaped blocks are elastic sheets, and the selected limitation is small; in addition, the sector is directly cut apart on the baffle, and processing is simple, and the baffle is fixed at the lower surface of baffle, and during the installation, only need guarantee that a plurality of sector areas cover the through-hole of baffle is whole, and is lower to the required precision of mounted position, when the installation, compress tightly the back with the clamp plate, only need once only screw up through the fastener and fix can, whole installation is simple, weak point consuming time, the cost of labor is low.
The cross section of the notch on the baffle plate is in an isosceles trapezoid shape with a small outer side and a large inner side, the joint surface of the notch is a short side of the trapezoid, the joint area is relatively small under the condition that normal joint and sealing of the inner part are guaranteed, the resistance of the sector block to warp up and down and opening is reduced, the sector block can be opened timely under overpressure or underpressure, and the safety of a system is guaranteed. The separation blade can select for use the elastic material of different thickness according to the pressure value of difference to adapt to the regulation of different pressures.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
Fig. 4 is a perspective cross-sectional view of the present invention.
Fig. 5 is an enlarged view of a portion C in fig. 4.
In the figure: 1. an upper cover; 2. an upper cover plate; 3. a lower cover plate; 4. opening the sleeve; 5. a first joint; 6. a second joint; 7. air holes; 8. a filtering and drying device; 9. a baffle plate; 10. a partition plate; 11. secondary filtering and drying net; 12. an upper cavity; 13. a lower cavity; 14. pressing a plate; 15. a through hole; 16. and (6) cutting.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, an upper cover plate 2 and a lower cover plate 3 are respectively and fixedly arranged at upper and lower ports of an upper cover 1 of the present invention, an opening sleeve 4 is fixedly connected to the lower cover plate 3, and an internal cavity of the upper cover 1 is communicated with an air storage device (not shown in the figure) through the opening sleeve 4.
As shown in fig. 2, a horizontal partition plate 10 is arranged in the upper cover 1, the partition plate 10 divides the interior of the upper cover 1 into an upper cavity 12 and a lower cavity 13, the lower cavity 13 is an internal air circulation channel, and the upper cavity 12 is a channel for communicating the lower cavity 13 with external air; as shown in fig. 1, a plurality of air holes 7 are uniformly arranged in an array on the outer wall surface of the upper cover 1 at positions corresponding to the upper cavity 12, and the upper cavity 12 is communicated with the atmospheric environment through the air holes 7; a first joint 5 and a second joint 6 are arranged on the outer surface of the upper cover 1 corresponding to the lower cavity 13, and the first joint 5 and the second joint 6 are respectively communicated with an oil tank and an inflation device (not shown in the figure).
As shown in fig. 2, the center of the partition board 10 has a central through hole 15, and a baffle plate 9 is disposed below the through hole 15, as shown in fig. 3 and 4, the baffle plate 9 is a circular elastic sheet, the outer diameter of the baffle plate 9 is larger than the inner diameter of the through hole 15, and the baffle plate is pressed and fixed on the lower surface of the partition board 10 by a circular pressing plate 14 to cover the whole through hole 15 of the partition board 10; a plurality of notches 16 are uniformly formed in the center of the sheet, corresponding to the through hole 15, along the radial direction, the center of the blocking piece 9 is divided into a plurality of uniform fan-shaped blocks, when the air storage device is in a normal state, the internal air pressure and the external air pressure are balanced, each fan-shaped block is in a horizontal position, the sections of the adjacent fan-shaped blocks are attached, the blocking piece 9 separates the upper cavity 12 from the lower cavity 13, the sealing of the internal air storage device is realized, and the internal air storage device is isolated from an air source; when the air pressure at the upper part of the baffle plate 9 is smaller than that at the lower part, the plurality of fan-shaped blocks at the center of the baffle plate 9 are upwards warped and open the opening, when the air pressure at the upper part of the baffle plate 9 is larger than that at the lower part, the plurality of fan-shaped blocks at the center of the baffle plate 9 are downwards warped and open the opening, the baffle plate 9 is an elastic element, and the restoration after warping can be realized through the elastic force of the. As shown in fig. 5, the cross section of the notch 16 is an isosceles trapezoid with a small outer side and a large inner side, and the surface attached to the notch 16 is a short trapezoidal edge, so that the attachment area is relatively small under the conditions of ensuring normal attachment and sealing the inside, the upper and lower warping of the sector block and the resistance of opening are reduced, the sector block can be timely opened under overpressure or underpressure, and the safety of the system is ensured.
As shown in fig. 2 to 4, the circular filtering and drying device 8 is fixedly disposed on the upper surface of the partition 10 and at the periphery of the central through hole 15, and the filtering and drying device 8 is disposed in the upper cavity 12 and is used for filtering and drying air entering from the outside, so as to ensure that the air entering the internal air storage device is clean and dry; meanwhile, the discharged gas containing oil mist is filtered and dried in time, so that the oil mist is effectively prevented from leaking, and the pollution to the external environment is avoided.
As shown in fig. 2 and 4, the upper end of the opening sleeve 4 is inserted into the central through hole of the lower cover plate 3, and the lower end thereof is fixedly provided with a circular secondary filtering and drying net 11, and the secondary filtering and drying net 11 is used for further filtering and drying the gas entering the internal gas storage device.
When the gas storage device works practically, the oil tank is connected to the first connector 5 through a pipeline, the gas charging device is connected to the second connector 6 through the quick-connection plug, the gas charging device charges filtered clean gas into the gas storage device, the gas charging device is closed until the fan-shaped blocks of the blocking piece 9 are positioned at the horizontal position, the gas pressures of the upper end and the lower end of the blocking piece 9 are equal, no gas pressure difference exists between the upper end and the lower end, the blocking piece 9 seals the internal gas storage device, the gas storage device is in a normal state, and the gas storage device and the oil tank form a closed system. When the air storage device is under-pressure, the air pressure at the upper part of the baffle plate 9 is larger than that at the lower part, positive pressure difference occurs, a plurality of fan-shaped blocks at the center of the baffle plate 9 are warped downwards and open, and the atmosphere of the external environment is supplemented to enter the internal air storage device, so that the internal air pressure of the system is kept balanced. When the internal gas storage device has overpressure, the gas pressure at the upper part of the baffle plate 9 is smaller than that at the lower part, negative pressure difference occurs, a plurality of fan-shaped blocks in the center of the baffle plate 9 are upwards warped, openings are opened, the lower cavity 13 is communicated with the upper cavity 12, the external environment is communicated, overpressure gas is discharged, the gas pressure in the system is kept balanced, and the safety of the system is ensured. The baffle plate 9 can be made of elastic materials with different thicknesses according to different pressure values so as to adapt to the adjustment of different pressures.
According to the invention, the central through hole 15 of the partition plate 10 is covered by the plurality of butted elastic fan-shaped blocks, so that the purposes of sealing in a normal state and opening the fan-shaped blocks for air release or air supplement in overpressure or underpressure are realized, the integral structure is simpler, the required elements are fewer, and the installation process is simple; the fan-shaped blocks can be kept horizontal when not pressed and can be warped up and down when pressed as long as the fan-shaped blocks are elastic sheets, and the selected limitation is small; in addition, the fan-shaped blocks are directly divided on the blocking pieces 9, the processing is simple, the blocking pieces 9 are fixed on the lower surface of the partition plate 10, during installation, only a plurality of fan-shaped block areas are required to be guaranteed to cover all the through holes 15 of the partition plate 10, the precision requirement on the installation position is low, during installation, after the pressing plate 14 is used for pressing, only one-time screwing and fixing through fasteners are required, the whole installation process is simple, the consumed time is short, and the labor cost is low.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, as the invention may be modified in any manner without departing from the spirit thereof. For example, the plurality of segments covering the through hole 15 of the partition board 10 may be a plurality of independent elastic fan-shaped sheets, and the plurality of fan-shaped sheets are horizontally spliced to form a covering structure in a full circle shape, so that the whole through hole 15 is covered, and the abutting surfaces of the fan-shaped sheets are attached to each other. The through holes 15 on the partition board 10 may also be in other shapes, such as square, hexagon, etc., and the shape of the plurality of spliced elastic sheets may be square, triangular or other adaptive shapes, as long as the purpose of covering the whole through holes 15 after splicing can be achieved.
Claims (10)
1. The utility model provides an elastic sheet pressure regulating structure which characterized in that: a through hole (15) is formed in the center of the partition plate (10), and a plurality of spliced elastic sheets are covered on the through hole (15); when the elastic pieces are not pressed, each elastic piece is in a horizontal position, and the butt joint surfaces of the adjacent elastic pieces are jointed; when the pressure is applied, each elastic sheet warps upwards or downwards, the butt joint surfaces of the adjacent elastic sheets are opened, and after the pressure is balanced, the elastic sheets return through self elasticity.
2. The hydraulic system air pressure regulating device according to claim 1, wherein: the elastic sheet is fan-shaped, or square, or triangular.
3. The hydraulic system air pressure regulating device according to claim 1, wherein: the elastic pieces are formed by cutting after a plurality of notches (16) are arranged at the central part of the blocking piece (9); the baffle plate (9) is a round elastic sheet.
4. A hydraulic system air pressure regulating device as claimed in claim 3, wherein: the cross section of the notch (16) is an isosceles trapezoid with a small outer side and a large inner side.
5. The hydraulic system air pressure regulating device according to claim 1, wherein: the elastic sheets are independent elastic sheets.
6. The hydraulic system air pressure regulating device according to claim 1, wherein: the elastic pieces are pressed and fixed on the lower surface of the clapboard (10) through the pressing plate (14).
7. An air pressure adjusting device of a hydraulic system, which adopts the elastic sheet pressure adjusting structure as claimed in claim 1, and is characterized in that: the partition plate (10) is arranged in the upper cover (1) and divides the interior of the upper cover (1) into an upper cavity (12) and a lower cavity (13), the lower cavity (13) is an internal air circulation channel, and the upper cavity (12) is a channel for communicating the lower cavity (13) with external air; in a normal state, each elastic sheet is in a horizontal position to close the air flow between the upper cavity (12) and the lower cavity (13); when pressure difference exists between the inside and the outside, the elastic pieces are pressed to be warped upwards or downwards to open and communicate the upper cavity (12) and the lower cavity (13), and the elastic pieces recover and seal through the elasticity of the elastic pieces when the inside and the outside air pressure are balanced.
8. The hydraulic system air pressure regulating device according to claim 1, wherein: a filtering and drying device (8) is also arranged in the upper cover (1), and the filtering and drying device (8) is fixed on the upper surface of the partition plate (10) and is positioned in the upper cavity (12); the filtering and drying device (8) is positioned at the periphery of the central through hole (15) of the clapboard (10).
9. The hydraulic system air pressure regulating device according to claim 1, wherein: an upper cover plate (2) and a lower cover plate (3) are respectively and fixedly arranged at the upper port and the lower port of the upper cover (1), an opening sleeve (4) is fixedly connected to the lower cover plate (3), and an internal cavity of the upper cover (1) is communicated with a gas storage device through the opening sleeve (4); a plurality of air holes (7) are formed in the position, corresponding to the upper cavity (12), of the outer wall surface of the upper cover (1), a joint is arranged in the position, corresponding to the lower cavity (13), of the upper cover, and the oil tank is connected with the joint through a pipeline.
10. The hydraulic system air pressure regulating device according to claim 8, wherein: a secondary filtering and drying net (11) is arranged in the opening sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412434.8A CN111677926A (en) | 2020-05-15 | 2020-05-15 | Elastic piece pressure regulating structure and hydraulic system air pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010412434.8A CN111677926A (en) | 2020-05-15 | 2020-05-15 | Elastic piece pressure regulating structure and hydraulic system air pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677926A true CN111677926A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010412434.8A Pending CN111677926A (en) | 2020-05-15 | 2020-05-15 | Elastic piece pressure regulating structure and hydraulic system air pressure regulating device |
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| Country | Link |
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| CN (1) | CN111677926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370510A (en) * | 2021-12-29 | 2022-04-19 | 深圳市智厨数字电器有限公司 | Pressure sensing valve, steamed stuffed bun electromagnetic oven and control method of steamed stuffed bun electromagnetic oven |
-
2020
- 2020-05-15 CN CN202010412434.8A patent/CN111677926A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370510A (en) * | 2021-12-29 | 2022-04-19 | 深圳市智厨数字电器有限公司 | Pressure sensing valve, steamed stuffed bun electromagnetic oven and control method of steamed stuffed bun electromagnetic oven |
| CN114370510B (en) * | 2021-12-29 | 2024-04-23 | 深圳市智厨数字电器有限公司 | Pressure sensing valve, steamed bun induction cooker and control method of steamed bun induction cooker |
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