CN212899093U - Surge monitoring and protecting system of intelligent integrated stove - Google Patents
Surge monitoring and protecting system of intelligent integrated stove Download PDFInfo
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- CN212899093U CN212899093U CN202020629924.9U CN202020629924U CN212899093U CN 212899093 U CN212899093 U CN 212899093U CN 202020629924 U CN202020629924 U CN 202020629924U CN 212899093 U CN212899093 U CN 212899093U
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Abstract
A surge monitoring and protecting system of an intelligent integrated cooker comprises a signal acquisition module, a signal processing module and a signal processing module, wherein the signal acquisition module comprises piezoelectric acceleration sensors and static pressure sensors, the piezoelectric acceleration sensors are arranged on two sides of the outer wall surface of a volute, and the static pressure sensors are arranged on the inner wall surface of an air outlet pipe of the volute; the air supply module comprises an air pipe, an electric valve, a nozzle and a bracket, the air supply module leads wind from the vicinity of the air outlet cover of the volute back to the inlet of the volute, and the power amplification device of the control module controls the opening and closing of the electric valve; the control module comprises a digital signal conversion device, a digital signal processing device, a power amplification device and a control module shell, and the control module shell is positioned at the volute tongue of the volute; the warning module is a warning lamp, and the power amplification device of the control module is connected with the warning lamp to control the work of the warning lamp. The utility model discloses when monitoring the surge of integrated kitchen, provide a surge protection system, and then the safe operation of guarantee integrated kitchen.
Description
Technical Field
The utility model belongs to domestic integrated kitchen field, concretely relates to intelligent integrated kitchen surge monitoring protection system.
Background
In the use of domestic integrated kitchen, the operating condition of the fan in integrated kitchen is the important index that influences the oil smoke suction performance. Surging is abnormal vibration that occurs when the flow of a fan is reduced to a certain degree, and can cause damage to the fan in serious cases, so that it is important to find the problem of surging of the fan of an integrated stove during working in time.
At present, most of integrated cookers in the market pay attention to how to improve the maximum air volume of the integrated cookers, and the research on the surge problem under the working condition of small flow is less. There has been some patents to design the integrated kitchen that comes intelligent regulation gear through the amount of wind, but this kind of design is to some because of some parts of integrated kitchen self have the problem to lead to the amount of wind to reduce only the adaptation effect, can not indicate, and then solve this type of problem to the user.
Therefore, in order to solve such problems, it is necessary to design a surge protection system integrated with a cooker, which can provide a more effective solution to such problems.
Disclosure of Invention
The utility model discloses an aim at solving the produced surge phenomenon of integrated kitchen under the low discharge operating mode and for the user provides the early warning, provide an intelligent integrated kitchen surge monitoring protection system, provide a solution way for this problem.
The utility model adopts the technical proposal that:
an intelligent integrated kitchen surge monitoring and protecting system comprises a signal acquisition module, an air supplement module, a control module and a warning module;
the signal acquisition module comprises piezoelectric acceleration sensors and static pressure sensors, the piezoelectric acceleration sensors are arranged on two sides of the outer wall surface of the volute, the other end of the piezoelectric acceleration sensors is connected with the digital signal conversion device of the control module, and the acquired vibration signals are transmitted to the digital signal conversion device of the control module; the static pressure sensor is arranged on the inner wall surface of the air outlet pipe of the volute, the other end of the static pressure sensor is connected with the digital signal conversion device of the control module, and the static pressure signal acquired by the static pressure sensor is transmitted to the digital signal conversion device of the control module;
the air supply module comprises an air supply pipe, an electric valve, a nozzle and a support, wherein the air supply pipe is of a circular pipe type structure, one end of the air supply pipe is connected with a three-way exhaust pipe in a welding mode and is close to an air outlet cover of the volute, the other end of the air supply pipe is connected with the nozzle, a plurality of uniformly distributed overflow holes are distributed on the surface of the nozzle, an outlet of the nozzle is arranged near a flow collecting ring of the volute, the electric valve comprises a valve block controller and a valve block, the valve block is located in the air supply pipe and is of a circular structure, one end of the support is fixed on the outer;
the control module comprises a digital signal conversion device, a digital signal processing device, a power amplification device and a control module shell, wherein the digital signal conversion device, the digital signal processing device and the power amplification device are positioned in the control module shell, the control module shell is positioned at the volute tongue of the volute, the curvature of the wall surface contour line is consistent with the curvature of the outer wall surface contour line of the volute tongue, the thickness of the wall surface contour line is consistent with the thickness of the volute, and the A, B surface of the control module shell is connected with the volute;
the warning module is a warning lamp, and the power amplification device of the control module is connected with the warning lamp to control the work of the warning lamp.
Further, the piezoelectric acceleration sensor takes one of the outer wall surfaces of the volute as an example: the vicinity of the volute tongue is an arrangement point of a first sensor, one sensor is arranged at intervals of alpha equal to 45 degrees, a piezoelectric acceleration sensor is also arranged at the air outlet of the volute, and 9 sensors are arranged on the single surface. And 18 sensors are arranged on two sides of the outer wall surface.
And furthermore, the static pressure sensors are arranged on the inner wall surface of the air outlet pipe of the volute, and 3 static pressure sensors are arranged in an evenly distributed mode.
Furthermore, the gas transmission pipe is of a circular pipe type structure, is made of flexible materials, is C-shaped when being observed in a side view direction, and has a radius of R1.
Preferably, the overflow holes on the surface of the nozzle are provided with a plurality of overflow holes with the hole diameter of R3 every 60 degrees, and the overflow holes are cylindrical through holes.
The warning lamp is a cylindrical red LED lamp, is controlled by the power amplification device of the control module, and is turned on when the vibration signal reaches a certain value.
The beneficial effects of the utility model are embodied in:
(1) the warning light is adopted to remind a user that a problem occurs when the integrated cooker is used, and the timeliness is high;
(2) the current surge problem is solved by adopting a mode of supplying air to the volute, and the volute and the fan are prevented from being damaged due to surge;
(3) the surge working condition is determined in a mode of combining the static pressure signal and the vibration signal, so that the running correctness of the system is ensured;
(4) the distribution of nozzle overflow hole makes the mode of discharging with the ring cloth air-out in advance for the air inlet is more even in mass flow circle department.
Drawings
FIG. 1 is an overall view of an integrated cooker in one embodiment;
FIG. 2 is a functional block diagram of an embodiment;
FIG. 3 is a schematic diagram of a direction of a supply air flow in one embodiment;
FIG. 4 is a schematic view of an embodiment of a gas supply apparatus;
FIG. 5 is a diagram of a volute vibration sensor layout, in accordance with an embodiment;
FIG. 6 is a static pressure sensor layout diagram in one embodiment;
FIG. 7 is a schematic view of a control module housing in one embodiment;
FIG. 8 is a schematic diagram of the interior of the control module in one embodiment;
FIG. 9 is a control diagram of electrical signals in one embodiment;
description of reference numerals: 1-a signal acquisition module, 11-a piezoelectric acceleration sensor, 12-a static pressure sensor, 2-a gas supplementing module, 21-a gas conveying pipe, 22-an electric valve, 221-a valve plate controller, 222-a valve plate, 23-a nozzle, 231-an overflow hole, 24-a support, 3-a control module, 31-a digital signal conversion device, 32-a digital signal processing device, 33-a power amplification device, 34-a control module shell, 4-a warning module, 41-a warning lamp, an A-a control module shell, a B-a control module shell, a C-a control module shell, a welding seam of a P-gas conveying pipe and a three-way pipe, and an included angle of an alpha-sensor arrangement point.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 9, an intelligent integrated kitchen surge monitoring and protecting system comprises a signal acquisition module 1, an air supplement module 2, a control module 3 and a warning module 4;
the vibration signal acquisition module 1 is a piezoelectric acceleration sensor 11 and is arranged on two sides of the outer wall surface of the volute, the other end of the vibration signal acquisition module is connected with the digital signal conversion device 31 of the control module 3, the acquired vibration signal is transmitted to the digital signal conversion device 31 of the control module 3, the static pressure sensor 12 is arranged on the inner wall surface of the air outlet pipe of the volute, the other end of the static pressure sensor is connected with the digital signal conversion device 31 of the control module 3, and the acquired static pressure signal is transmitted to the digital signal conversion device 31 of the control module 3;
the air supplementing module 2 comprises an air conveying pipe 21, an electric valve 22, a nozzle 23 and a support 24, wherein the air conveying pipe 21 is of a circular pipe type structure, one end of the air conveying pipe is connected with a three-way exhaust pipe in a welding mode and is close to an air outlet cover of the volute, the other end of the air conveying pipe is connected with the nozzle 23, a plurality of uniformly distributed overflow holes 231 are distributed on the surface of the nozzle 23, an outlet of the nozzle 23 is arranged near a flow collecting ring of the volute, the electric valve 22 comprises a valve plate controller 221 and a valve plate 222, the valve plate 222 is located in the air conveying pipe 21, the valve plate 222 is of a circular structure, one end of the support 24 is fixed on;
the control module 3 comprises a digital signal conversion device 31, a digital signal processing device 32, a power amplification device 33 and a control module shell 34, wherein the digital signal conversion device 31, the digital signal processing device 32 and the power amplification device 33 are positioned in the control module shell 34, the control module shell 34 is positioned at a volute tongue of the volute, the curvature of a wall surface contour line is consistent with that of an outer wall surface contour line of the volute tongue, the thickness of the wall surface contour line is consistent with that of the volute, and an A, B surface of the control module shell 34 is connected with the volute;
the warning module 4 is a warning lamp 41, which is specifically a cylindrical red LED lamp, and the power amplification device 33 of the control module 3 is connected to the warning lamp 41 to control the operation thereof.
The piezoelectric acceleration sensor 11 takes one surface of a volute as an example: the vicinity of the volute tongue is an arrangement point of a first sensor, one sensor is arranged at intervals of alpha equal to 45 degrees, a piezoelectric acceleration sensor 11 is also arranged at the air outlet of the volute, and 9 sensors are arranged on the single surface. A total of 18 sensors are arranged on both sides.
The static pressure sensor 12 takes one of the inner wall surfaces of the volute as an example: arrange in spiral case air-out pipe internal wall, adopt the mode of equipartition to arrange 3 static pressure sensor 12.
The air delivery pipe 21 is of a circular pipe type structure, is made of flexible materials, is C-shaped when being observed in a side view direction, and has a radius of R1.
The overflow holes 231 on the surface of the nozzle 23 are provided with a plurality of overflow holes 231 with the aperture of R3 every 60 degrees on the surface of the nozzle 23, and the overflow holes 231 are cylindrical through holes.
The warning lamp 41 is controlled by the power amplifying device 33 of the control module 3, and when the vibration signal reaches a certain value, the warning lamp 41 will be turned on.
The method for realizing the intelligent integrated kitchen surge monitoring and protecting system comprises specific signal collection, conversion and processing under the working state, and comprises the following steps:
(1) when the integrated cooker works, the probes of each piezoelectric acceleration sensor 11 receive vibration signals F (1), F (2) … F (n) (16) in a volute period T, and the probes of each static pressure sensor 12 receive static pressure signals P (1), P (2) … P (m) (3) in the volute period T, and the vibration signals F (1), F (2) … F (n) (16) are passed through
Reduced outlet flow velocity v (m);
(2) the volute vibration signal and the static pressure signal are transmitted to the digital signal conversion device 31 of the control module 3 through
Obtaining an average volute vibration signal and converting the average volute vibration signal into an electric signal I (n); by passing
Obtaining an average flow velocity signal and converting the average flow velocity signal into an electric signal I (m);
(3) the electric signals I (n) and I (m) are transmitted to the digital signal processing device 32 of the control module 3, and I '(n) is defined as a surge working condition critical vibration electric signal, I' (m) is defined as a surge working condition critical static pressure electric signal, if I (n) is more than I '(n) and I (m) is more than I' (m), the signal processing device transmits a primary signal I1 to the power amplifying device; if the condition is not met, no surge occurs, the signal processing device transmits a primary signal I0 to the power amplifying device 33, and I0 indicates that the power amplifying device 33 does not work;
(4) the power amplifying device 33 receives the primary signal I1 transmitted from the signal processing device 32, amplifies the primary signal into a secondary signal I2, on one hand, the I2 controls the warning lamp 41 to start, the red LED lamp reminds a user of the fault, and on the other hand, the amplified I2 controls the valve sheet controller 221 to open the valve sheet 222;
(5) the valve sheet 222 is opened by the valve sheet controller 221, and the air pipe 21 guides the air from the volute air outlet hood back to the vicinity of the volute collector ring to supplement the air quantity and prevent surging.
Claims (6)
1. The utility model provides an intelligent integrated kitchen surge monitoring protection system which characterized in that: the system comprises a signal acquisition module, an air supplement module, a control module and a warning module;
the signal acquisition module comprises piezoelectric acceleration sensors and static pressure sensors, the piezoelectric acceleration sensors are arranged on two sides of the outer wall surface of the volute, the other end of the piezoelectric acceleration sensors is connected with the digital signal conversion device of the control module, and the acquired vibration signals are transmitted to the digital signal conversion device of the control module; the static pressure sensor is arranged on the inner wall surface of the air outlet pipe of the volute, the other end of the static pressure sensor is connected with the digital signal conversion device of the control module, and the static pressure signal acquired by the static pressure sensor is transmitted to the digital signal conversion device of the control module;
the air supply module comprises an air supply pipe, an electric valve, a nozzle and a support, wherein the air supply pipe is of a circular pipe type structure, one end of the air supply pipe is connected with a three-way exhaust pipe in a welding mode and is close to an air outlet cover of the volute, the other end of the air supply pipe is connected with the nozzle, a plurality of uniformly distributed overflow holes are distributed on the surface of the nozzle, an outlet of the nozzle is arranged near a flow collecting ring of the volute, the electric valve comprises a valve block controller and a valve block, the valve block is located in the air supply pipe and is of a circular structure, one end of the support is fixed on the outer;
the control module comprises a digital signal conversion device, a digital signal processing device, a power amplification device and a control module shell, wherein the digital signal conversion device, the digital signal processing device and the power amplification device are positioned in the control module shell, the control module shell is positioned at the volute tongue of the volute, the curvature of the wall surface contour line is consistent with the curvature of the outer wall surface contour line of the volute tongue, the thickness of the wall surface contour line is consistent with the thickness of the volute, and the A, B surface of the control module shell is connected with the volute;
the warning module is a warning lamp, and the power amplification device of the control module is connected with the warning lamp to control the work of the warning lamp.
2. The intelligent integrated cooker surge monitoring and protection system of claim 1, wherein: one surface of the outer wall surface of the volute is provided with a first piezoelectric acceleration sensor arrangement point near the volute tongue, one piezoelectric acceleration sensor is arranged at intervals of alpha equal to 45 degrees, and one piezoelectric acceleration sensor is also arranged at the air outlet of the volute; 9 sensors are arranged on one side of the outer wall surface, and 18 sensors are arranged on two sides of the outer wall surface.
3. The intelligent integrated cooker surge monitoring and protection system according to claim 1 or 2, wherein: the static pressure sensors are arranged on the inner wall surface of the air outlet pipe of the volute, and 3 static pressure sensors are arranged in an evenly distributed mode.
4. The intelligent integrated cooker surge monitoring and protection system according to claim 1 or 2, wherein: the gas transmission pipe is of a circular pipe type structure, is made of flexible materials, is C-shaped when being observed in a side view direction, and has a radius of R1.
5. The intelligent integrated cooker surge monitoring and protection system according to claim 1 or 2, wherein: a plurality of overflow holes with the aperture of R3 are arranged on the surface of the nozzle at intervals of 60 degrees, and the overflow holes are cylindrical through holes.
6. The intelligent integrated cooker surge monitoring and protection system according to claim 1 or 2, wherein: the warning lamp is a cylindrical red LED lamp, is controlled by the power amplification device of the control module, and is turned on when the vibration signal reaches a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629924.9U CN212899093U (en) | 2020-04-23 | 2020-04-23 | Surge monitoring and protecting system of intelligent integrated stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629924.9U CN212899093U (en) | 2020-04-23 | 2020-04-23 | Surge monitoring and protecting system of intelligent integrated stove |
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| Publication Number | Publication Date |
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| CN212899093U true CN212899093U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020629924.9U Withdrawn - After Issue CN212899093U (en) | 2020-04-23 | 2020-04-23 | Surge monitoring and protecting system of intelligent integrated stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486122A (en) * | 2020-04-23 | 2020-08-04 | 嵊州市浙江工业大学创新研究院 | Intelligent integrated kitchen surge monitoring protection system and method |
-
2020
- 2020-04-23 CN CN202020629924.9U patent/CN212899093U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486122A (en) * | 2020-04-23 | 2020-08-04 | 嵊州市浙江工业大学创新研究院 | Intelligent integrated kitchen surge monitoring protection system and method |
| CN111486122B (en) * | 2020-04-23 | 2024-03-19 | 嵊州市浙江工业大学创新研究院 | Intelligent integrated kitchen surge monitoring protection system and method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210406 Effective date of abandoning: 20240319 |
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