CN112628813A - Centralized exhaust type range hood control system and air volume control method thereof - Google Patents
Centralized exhaust type range hood control system and air volume control method thereof Download PDFInfo
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- CN112628813A CN112628813A CN202011443872.7A CN202011443872A CN112628813A CN 112628813 A CN112628813 A CN 112628813A CN 202011443872 A CN202011443872 A CN 202011443872A CN 112628813 A CN112628813 A CN 112628813A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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Abstract
The invention provides a centralized-exhaust type range hood control system which comprises a plurality of range hoods and a common flue, wherein each range hood is communicated with the common flue through a flue; the top end of the public flue is provided with a host; the flue with the lampblack absorber one end that the lampblack absorber leaves is equipped with fire prevention valve and motorised valve, the fire prevention valve with the motorised valve all with the host computer is connected, discerns the actual smoking effect of user through the oil smoke monitoring module and the VOCs module of motorised valve, and the cooperation roof fan pertinence distributes suitable amount of wind for every family, reduces low amount of wind user's amount of wind, compensaties for high amount of wind user, and the even amount of wind that distributes for every family is not, improves entire system's practicality, guarantees the smoking effect of the lampblack absorber of each floor.
Description
Technical Field
The invention relates to an oil smoke discharge system, in particular to a centralized exhaust type range hood control system and an air volume control method thereof.
Background
In recent years, a concept of building public flue oil smoke centralized discharge system comes from the beginning, and additional power is generated by a fan arranged at the top end of a public flue and is matched with a range hood of each household to realize uniform distribution of air volume of each floor, so that the aims of smooth smoke discharge and low-noise use are fulfilled.
However, in the mode of uniformly distributing the air volume of each floor, the air volume of the range hood of each floor needs to be identified, and the real-time air volume of the range hood is compared with the preset air volume range, so that the smoking effect of the range hood of a user (whether the range hood has smoke leakage or not) cannot be judged; in addition, the control mode is a relatively blind control mode, and in the actual use process of users, the air volume requirements of each user are inconsistent in the same time period, and the air volume requirements cannot be distributed to the air volume required by each floor according to the actual smoke exhaust condition of each floor, so that the air volume of the user requiring large air volume is insufficient, and the noise of the user requiring small air volume is relatively large.
Disclosure of Invention
The invention aims to provide a centralized exhaust type range hood control system and an air volume control method thereof aiming at the defects of the prior art, which can dynamically adjust the air volume distribution of each floor and ensure the real-time smoking effect of each range hood.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a centralized-exhaust type range hood control system which comprises a plurality of range hoods and a common flue, wherein each range hood is communicated with the common flue through a flue; the top end of the public flue is provided with a host; and a fireproof valve and an electric valve are arranged at one end of the flue, which is away from the lampblack absorber, and both the fireproof valve and the electric valve are connected with the main machine.
Further, the electric valve is connected with the range hood, and the range hood obtains electricity from the electric valve.
Further, a motor on the range hood is a direct current motor; the range hood is connected with the electric valve through wired or wireless communication.
Furthermore, the electric valve comprises a valve body, and a light source generating device and a light source receiving device are respectively arranged on two sides of one port of the valve body.
Further, install oil smoke monitoring module, VOCs module and control module on the valve body.
Further, a power supply module is installed on one side of the valve body wall.
Furthermore, the valve body is hollow and cylindrical, and two valve plates which can be opened in opposite directions are installed on one port of the valve body.
Further, the control module comprises an air quantity adjusting control panel, the air quantity adjusting control panel can control the fan module, the power supply module supplies power to the air quantity adjusting control panel, and the air quantity adjusting control panel is in communication connection with the communication module.
Further, the air volume control method of the centralized exhaust type range hood control system comprises the following steps:
1) a user starts the range hood, the electric valve recognizes the start of the range hood through the power supply module, the electric valve starts the maximum angle, and the oil smoke monitoring module and the VOCs module are synchronously started to operate;
2) respectively converting the monitored oil smoke concentration and the odor concentration into electric signals to feed back to the electric valve control module;
3) the electric valve control module respectively superposes and integrates the received signal values of different probes;
4) firstly, judging whether a signal of the VOCs module exceeds a preset threshold value, and if the signal exceeds the threshold value, informing the range hood to increase the rotating speed until the signal is lower than the threshold value;
if the rotating speed is increased to the maximum and the signal still exceeds the threshold value, the electric valve reports the information to the host computer, and the host computer operates according to the starting number and preset gears until the signal of any VOCs module is lower than the threshold value;
if the VOCs module does not exceed the threshold value, judging whether the currently received signal of the oil smoke concentration is in a preset range, if the signal intensity is lower than the set range, reducing the rotating speed of the electrically operated valve through the range hood, and increasing the signal intensity until the set range;
if the signal intensity is higher than the set range, the electric valve informs the range hood to increase the rotating speed signal until the set range, if the rotating speed is increased to the maximum, the signal still exceeds the threshold value, the electric valve reports the information to the host, the host counts after receiving the information reported by the electric valve, and the host operates according to different starting numbers and preset gears;
in the operation process of the host, the oil smoke monitoring module continuously monitors the oil smoke concentration, and the electric valve informs the range hood to increase or decrease the rotating speed to a set range according to the received signal intensity;
if the maximum gear of the host computer moves still has the electric valve to report that the signal intensity is higher than the setting range, the host computer will improve 10% of the upper and lower limits of the signal intensity of the setting range as the optimal smoking effect range, the electric valve will inform the range hood to improve or reduce the rotational speed until the new setting range according to receiving the new setting range, the whole system will readjust according to the above-mentioned process;
the VOCs module is continuously monitored all the time, once in the adjusting process, an electric signal of one VOCs module exceeds a threshold value, the electric valve informs the range hood to increase the rotating speed, if the electric signal still exceeds the threshold value, the host computer reports the rotating speed to the host computer, the host computer improves the working frequency according to every 5Hz under the existing working condition until the signal values of all the VOCs modules are within the threshold value, and in the adjusting process of the host computer, other VOCs modules do not exceed the threshold value and are adjusted according to the preset range of the oil smoke concentration.
The invention has the beneficial effects that: the actual smoking effect of user is discerned through the oil smoke monitoring module and the VOCs module of motorised valve, and the cooperation roof fan pertinence for the suitable amount of wind of every family distribution, reduces low amount of wind user's amount of wind, compensates for high amount of wind user, is not even for every family distribution the same amount of wind, improves entire system's practicality, guarantees the smoking effect of the lampblack absorber of each floor.
Monitoring the actual smoking effect of the range hood of the user in real time;
the air volume distribution of each floor is dynamically adjusted, the real-time smoke absorption effect of each range hood is ensured, the use noise of users with low air volume requirements is reduced, and the air volume of users with high air volume is improved;
the control method is simple, and reduces the information amount carried in the communication network, thereby improving the communication speed and stability.
Drawings
Fig. 1 is a schematic structural diagram of a centralized-type range hood control system according to the present invention;
FIG. 2 is a schematic perspective view of an electrically operated valve according to the present invention;
FIG. 3 is a schematic front view of an electrically operated valve of the present invention;
figure 4 is a schematic perspective view of an electrically operated valve according to a second embodiment of the present invention;
FIG. 5 is a block diagram of a control module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a centralized-exhaust type range hood control system comprises a plurality of range hoods 8 and a common flue 6, wherein each range hood 8 is communicated with the common flue 6 through a flue 9; the top end of the common flue 6 is provided with a host 1; flue 9 with the one end that lampblack absorber 8 leaves is equipped with fire prevention valve 3 and motorised valve 4, fire prevention valve 3 with motorised valve 4 all with host computer 1 is connected.
The electric valve 4 is connected with the range hood 8, and the range hood 8 gets electricity from the electric valve 4.
The motor on the range hood 8 is a direct current motor; the range hood 8 is connected with the electric valve 4 through wired or wireless communication.
Referring to fig. 2 to 5, the electric valve 4 includes a valve body 401, and a light source generating device 51 and a light source receiving device 52 are respectively disposed on two sides of a port of the valve body 401.
And the valve body 401 is provided with an oil smoke monitoring module 405, a VOCs module 7 and a control module 402.
A power supply module 404 is mounted on one side of the wall of the valve body 401.
The valve body 401 is a hollow cylinder, and two valve plates 403 which can be opened in opposite directions are installed on one port of the valve body 401.
The control module 402 comprises an air volume adjusting control board 601, the air volume adjusting control board 601 can control the fan module 602, the power supply module 404 supplies power to the air volume adjusting control board 601, and the air volume adjusting control board 601 is in communication connection with the communication module 603.
An air volume control method of a centralized exhaust type range hood control system comprises the following steps:
1) a user starts the range hood, the electric valve 4 recognizes the start of the range hood through the power supply module 404, the electric valve 4 starts the maximum angle, and the oil smoke monitoring module 405 and the VOCs module 7 are started to operate synchronously;
2) respectively converting the monitored oil smoke concentration and odor concentration into electric signals to feed back to the control module of the electric valve 4;
3) the electric valve 4 control module respectively superposes and integrates the received signal values of different probes;
4) firstly, judging whether a signal of the VOCs module 7 exceeds a preset threshold value, and if the signal exceeds the threshold value, informing the range hood to increase the rotating speed until the signal is lower than the threshold value by the electric valve 4;
if the rotating speed is increased to the maximum and the signal still exceeds the threshold value, the electric valve 4 reports the information to the host 1, and the host 1 operates according to the starting number and preset gears until the signal of any VOCs module 7 is lower than the threshold value;
if the VOCs module 7 does not exceed the threshold value, judging whether the currently received signal of the oil smoke concentration is in a preset range, if the signal intensity is lower than the set range, reducing the rotating speed of the electric valve 4 through the range hood, and increasing the signal intensity until the set range;
if the signal intensity is higher than the set range, the electric valve 4 informs the range hood to increase the rotating speed signal until the set range, if the rotating speed is increased to the maximum, the signal still exceeds the threshold value, the electric valve 4 reports the information to the host 1, the host 1 counts after receiving the information reported by the electric valve 4, and the operation is carried out according to different starting numbers and preset gears;
in the operation process of the main machine 1, the oil smoke monitoring module 405 continuously monitors the oil smoke concentration, and the electric valve 4 informs the range hood to increase or decrease the rotating speed to a set range according to the received signal intensity;
if the maximum gear of the main machine 1 still has the reported signal intensity of the electric valve 1 higher than the set range, the main machine 1 will improve 10% of the upper and lower limits of the signal intensity of the set range to be the optimal smoking effect range, the electric valve 4 will inform the range hood to improve or reduce the rotating speed until the new set range according to the new set range, and the whole system will readjust according to the above process;
The lampblack monitoring module 405 is installed on the valve body 401 of the electric valve 1, and the light source emitting device 51 and the light source receiving device 52 are respectively located on the left side and the right side of the valve body 401 and on the front side of the valve plate 403. The light source emitting device 51 and the light source receiving device 52 are fixed on the same horizontal line, and the light source emitting device 51 and the light source receiving device 52 are kept opposite. When the oil smoke monitoring module 405 is turned on, the light source emitting device 51 emits light to the light source receiving device 52, when oil smoke passes through the middle of the two devices, the oil smoke interferes with the intensity of the light source received by the light source receiving device 51, the higher the oil smoke concentration is, the lower the intensity of the light source received by the light source receiving device 52 is, and the light source receiving device 51 generates a signal and sends the signal to the control module of the electric valve 1; the greater the concentration of soot, the lower the intensity of the light source received by the light source receiving device 51, and the stronger the signal generated by the light source receiving device 52.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides a collection formula cigarette machine control system which characterized in that: the range hood comprises a plurality of range hoods (8) and a common flue (6), wherein each range hood (8) is communicated with the common flue (6) through a flue (9); the top end of the common flue (6) is provided with a host (1); flue (9) with the one end that lampblack absorber (8) leave is equipped with fire prevention valve (3) and motorised valve (4), fire prevention valve (3) with motorised valve (4) all with host computer (1) are connected.
2. The concentrated cigarette machine control system according to claim 1, wherein: the electric valve (4) is connected with the range hood (8), and the range hood (8) takes electricity from the electric valve (4).
3. The concentrated cigarette machine control system according to claim 2, wherein: the motor on the range hood (8) is a direct current motor; the range hood (8) is connected with the electric valve (4) through wired or wireless communication.
4. A concentrated cigarette maker control system as claimed in claim 3, wherein: the electric valve (4) comprises a valve body (401), and a light source generating device (51) and a light source receiving device (52) are respectively arranged on two sides of one port of the valve body (401).
5. The concentrated cigarette machine control system according to claim 4, wherein: and the valve body (401) is provided with an oil smoke monitoring module (405), a VOCs module (7) and a control module (402).
6. The concentrated cigarette machine control system according to claim 5, wherein: and a power supply module (404) is arranged on one side of the wall of the valve body (401).
7. The concentrated cigarette machine control system according to claim 6, wherein: the valve body (401) is in a hollow cylindrical shape, and two valve plates (403) which can be opened in opposite directions are installed on one port of the valve body (401).
8. The concentrated cigarette machine control system according to claim 6, wherein: the control module (402) comprises an air volume adjusting control board (601), the air volume adjusting control board (601) can control the fan module (602), the power supply module (404) supplies power to the air volume adjusting control board (601), and the air volume adjusting control board (601) is in communication connection with the communication module (603).
9. An air volume control method of a centralized exhaust type range hood control system is characterized by comprising the following steps:
1) a user starts the range hood, the electric valve (4) recognizes the start of the range hood through the power supply module (404), the electric valve (4) starts a maximum angle, and the oil smoke monitoring module (405) and the VOCs module (7) are started to operate synchronously;
2) respectively converting the monitored oil smoke concentration and the odor concentration into electric signals to feed back to a control module of the electric valve (4);
3) the control module of the electric valve (4) respectively superposes and integrates the received signal values of different probes;
4) firstly, judging whether a signal of the VOCs module (7) exceeds a preset threshold value or not, and if the signal exceeds the threshold value, informing the range hood to increase the rotating speed until the signal is lower than the threshold value, wherein the electrically operated valve (4) is used for informing the range hood to increase the rotating speed;
if the rotating speed is increased to the maximum and the signal still exceeds the threshold value, the electric valve (4) reports the information to the host (1), and the host (1) operates according to the starting number and preset gears until the signal of any VOCs module (7) is lower than the threshold value;
if the VOCs module (7) does not exceed the threshold value, judging whether the currently received signal of the oil smoke concentration is in a preset range, if the signal intensity is lower than the set range, reducing the rotating speed of the electrically operated valve (4) through the range hood, and increasing the signal intensity until the set range;
if the signal intensity is higher than the set range, the electric valve (4) informs the range hood to increase the rotating speed signal until the set range, if the rotating speed is increased to the maximum, the signal still exceeds the threshold value, the electric valve (4) reports the information to the host (1), the host (1) counts after receiving the information reported by the electric valve (4), and the operation is carried out according to different starting numbers and preset gears;
in the operation process of the main machine (1), the oil smoke monitoring module (405) continuously monitors the oil smoke concentration, and the electric valve (4) informs the range hood to increase or decrease the rotating speed to a set range according to the received signal intensity;
if the maximum gear of the host (1) still has the signal intensity reported by the electric valve (1) to be higher than the set range, the host (1) increases the upper limit and the lower limit of the signal intensity of the set range by 10 percent to be the optimal smoking effect range, the electric valve (4) informs the range hood to increase or decrease the rotating speed until the new set range according to the received new set range, and the whole system is readjusted according to the process;
VOCs module (7) continuously monitors all the time, in case in the adjustment process, the signal of telecommunication of a VOCs module (7) exceeds the threshold value, motorised valve (4) will inform the lampblack absorber to improve the rotational speed, if still exceed threshold value then report host computer (1), host computer (1) improves operating frequency according to per 5Hz under current operating mode, until the signal value of all VOCs module (7) all within the threshold value, in the host computer adjustment process, other VOCs module (7) do not exceed the preset scope that will adjust according to the oil smoke concentration of threshold value.
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| CN202011443872.7A CN112628813B (en) | 2020-12-08 | 2020-12-08 | Centralized exhaust type range hood control system and air volume control method thereof |
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| CN114110696A (en) * | 2021-12-15 | 2022-03-01 | 杭州老板电器股份有限公司 | Oil smoke purification control method and device |
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| CN112628813B (en) | 2022-10-14 |
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