CN203848364U - Exhaust hood with multiple temperature probes - Google Patents
Exhaust hood with multiple temperature probes Download PDFInfo
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- CN203848364U CN203848364U CN201420287723.XU CN201420287723U CN203848364U CN 203848364 U CN203848364 U CN 203848364U CN 201420287723 U CN201420287723 U CN 201420287723U CN 203848364 U CN203848364 U CN 203848364U
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Abstract
The utility model relates to the field of exhaust hoods, particularly discloses an exhaust hood with multiple temperature probes, and aims to overcome the technical defects that the health of a cook is influenced by high oily fume inhalation rate caused by the lagging of fan starting and speed governing due to the fact that the detection of a conventional exhaust hood depends on a single smog probe. The exhaust hood with the multiple temperature probes comprises an exhaust hood enclosure, wherein a control circuit, a fan and a smog probe are arranged in the exhaust hood enclosure; the control circuit is connected with an external power supply by virtue of a power switch, and is connected with an ambient temperature probe and an oily fume temperature probe; the ambient temperature probe and the oily fume temperature probe transmit temperature signals which are detected in real time to the control circuit; the smog probe detects oily fume in real time, and transmits a signal to the control circuit; the control circuit controls the fan to be started or stopped, or controls the speed governing of the fan after receiving and processing the signals. According to the exhaust hood, changes in cooking temperature rise are accurately detected to further control the running of the fan through multiple independent thermosensitive probes, so that oily fume exhaust effects are improved.
Description
Technical field
The utility model relates to range hood field, particularly a kind of range hood with multiple temp probes.
Background technology
Existing common automatic fume-extracting machine, the oil smoke that detects culinary art generation by the smog probe of installing in machine sends a signal to a control circuit, starting blower fan by control circuit control opens and closes and fan speed regulation, when work, blower fan is adjusted change rotating speed immediately according to the smog oil smoke concentration detecting of popping one's head in, and reaches best fume exhaust effect.This automatic fume-extracting machine relies on single Smoke Detection to start or speed governing, smog probe detects oil smoke and has hysteresis quality, only after entering flue, oil smoke could detect, make fan starting and speed governing all can postpone to lag behind, while particularly culinary art, temperature first promotes and then produces gradually rapidly oil smoke, the very little smog probe of starting stage oil smoke cannot detect and then start blower fan, make cooker very easily suck suspended particulate harmful in oil smoke, so very large to Health Impact for a long time, particularly in current culinary cuisine oil smoke, also contain a large amount of harmful smoke particle things.In addition, this automatic fume-extracting machine has been removed the button operation of original manual switchover selection gear completely, only has automatic induction mode of operation.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome existing range hood to rely on single smog probe detection to bring fan starting and speed governing hysteresis to make cooker very easily suck the unhealthful technological deficiency of oil smoke, a kind of range hood with multiple temp probes is provided, described range hood can accurately detect by multiple separate thermosensitive probes the temperature rise of kitchen environment, and then startup blower fan running fume exhaust, can also be according to the corresponding rotation speed of fan that regulates of temperature rise, the needs of fume exhaust while meeting culinary art in culinary art.
The technical scheme that the utility model technical solution problem adopts: a kind of range hood with multiple temp probes, comprise a lampblack absorber casing, in it, be provided with control circuit, blower fan and smog probe, described control circuit is connected with external power supply by a power switch, it is characterized in that described control circuit JA(junction ambient) temp probe and oil smoke temp probe, environment temperature probe and oil smoke temp probe all send a signal to control circuit by the temperature detecting in real time, smog probe detects in real time oil smoke and sends a signal to control circuit, control circuit receives after signal is processed and controls and start or cut out blower fan or to fan speed regulation.The utility model has changed formerly automatic fume-extracting machine and has sent a signal to control circuit startup blower fan and the control mode to fan speed regulation by single smog probe detection oil smoke, make into two different temp probes separately independent detection temperature send a signal to control circuit and start blower fan and to fan speed regulation, detect oil smoke acting in conjunction with two kinds of temp probe detected temperatures and smog probe and send a signal to control circuit, worked according to the signal handling blower fan receiving by control circuit.When use, environment temperature probe can be arranged on the positions that are difficult for being directly subject to oil smoke invasion and attack as various in lampblack absorber top or the lampblack absorber exhaust fume collecting hood back side etc., for the instant environment temperature that detects kitchen; Oil smoke temp probe can be arranged on lampblack absorber and just look like the directly position of invasion and attack of the oil smoke such as panel surface, cooks for instant detection the oil smoke temperature producing.When work, oil smoke temp probe detects that the oil smoke temperature of culinary art generation and the environment temperature that environment temperature probe detects together send to control circuit, by control circuit, corresponding oil smoke temperature and instant original ambient temperature are compared, set the just automatic blower fan of opening of the temperature difference as long as reach, pop one's head in independent testing environment temperature better to adapt to four seasons varying environment difference by environment temperature, at the beginning of producing, oil smoke just starts range hood running, avoid smog probe to detect hysteresis makes cooker suck oil smoke at the culinary art initial stage because of the instant unlatching work automatically of range hood by mistake, further protection cooker is healthy, improve range hood service efficiency, two oil smoke temperature that different temp probes immediately detects separately the environment temperature of rising and rises rapidly in culinary art, work alone and do not disturb mutually, can accurately detect and send to control circuit immediately to compare difference variation two groups of temperature datas, regulate more accurately and control rotation speed of fan, the Smoke Detection control rotation speed of fan lagging behind can better utilize blower fan to realize higher fume exhaust efficiency, the real-time detection of smog probe oil smoke sends a signal to control circuit and closes for controlling blower fan, have or not and detect the common standards as cooking end of two of the temperature difference using smog in culinary art ending phase, only have when satisfied temperature drops to original ambient temperature and can't detect two conditions of oil smoke simultaneously, just range hood is closed to tester in power-down state.Control circuit in the utility model is prior art, the temperature parameter signal of input can be contrasted, then output signal control motor switching/rotating speed; Environment temperature probe and oil smoke temp probe all adopt the thermosensitive probe original paper that can directly select and purchase.
As further improving and supplementing technique scheme, the utility model adopts following technical measures: described control circuit connects an inductive switch, and the startup that described inductive switch can be controlled control circuit enters auto-programming and turns round to further control blower fan from the signal of smog probe and environment temperature probe, oil smoke temp probe accepting.The utility model can with conventional installing together with key control system on existing range hood, the effect of inductive switch is automatically to move between conventional manual switching and select at range hood, only press inductive switch and just can enter automatic induction control flow, if do not press this inductive switch, range hood still can pass through conventional button operation, and artificial selection is switched gear and regulated rotation speed of fan.In the time opening inductive switch, range hood just enters automatic mode, detects temperature rise change control fan starting and rotating speed by two kinds of temp probes, and temp probe and the acting in conjunction of smog probe detect soot controlling blower fan and close; In the time that inductive switch is not opened, can prevent that temp probe and rear moment of smog probe energising from keeping standby detected state, the service life of prolongation probe original paper.
The course of work of the present utility model:
(1) press power switch active control system;
(2) enter automatic induction program by inductive switch, range hood enters holding state, environment temperature probe and oil smoke temp probe detect respectively ambient temperature and oil smoke temperature, the temperature signal detecting is immediately sent to the relatively temperature difference of control circuit by two kinds of temp probes, and smog probe enters armed state;
(3) while starting to cook, pot produces temperature, automatically opens blower fan to the most high-grade running in the time that the temperature difference that environment temperature and oil smoke temperature detected is reached setting value by control circuit;
(4) along with the end of culinary art, pot temperature declines, and oil smoke temperature declines thereupon, and in the time that the temperature difference numerical value of instant environment temperature and oil smoke temperature reaches setting temperature approach, control circuit reduces rotation speed of fan automatically, in low or first gear work; If now temperature approach rises, control circuit upgrades control blower fan, enters top gear work;
(5), under holding state, if the temperature approach of oil smoke temp probe and environment temperature probe rises, repeat (3), (4) flow process; If temperature approach does not rise, and smog probe also can't detect remaining cigarette, and cigarette organizational security is held low or first gear running, shuts down reaching after the setting-up time of time delay;
(6) whole flow process restarts need to again press by power switch and inductive switch.
The course of work of the present utility model can abundant corresponding cooking process variation of ambient temperature: culinary art starts, and is changed and is started blower fan running and start fume-exhausting work by the temperature approach of instant testing environment temperature and oil smoke temperature; In culinary art, change to regulate rotation speed of fan to carry out gear shift by temperature approach; Culinary art finishes, make control circuit enter time delay by oil smoke and temperature detection acting in conjunction, make blower fan remain in operation fully to get rid of residual whole oil smoke by delaying of a setting-up time, if now restart to cook, blower fan is accelerated service again, effectively avoid existing automatic fume-extracting machine can't detect shutdown immediately after oil smoke, again while culinary art, also button startup whole system repeats again, more scientific in use, more meets the practice situation of culinary art; While finally shutdown, be also to confirm to close tester in power-down state by smog and temperature detection acting in conjunction.
Described oil smoke temp probe is positioned at the installing hole of offering on lampblack absorber casing outer surface, and smog probe is arranged in the flue of lampblack absorber casing inside.Oil smoke temp probe is located to the just top to kitchen range of lampblack absorber casing outer surface, can better detects the intensification on kitchen range top top, responsive detection cooked the environment temperature rising producing, and starts and regulates blower fan running work, protects the healthy of cooker; The flue that smog probe is arranged in lampblack absorber casing inside detects oil smoke concentration variation.Environment temperature probe can be located in the cover of upholstery of range hood or on the cabinet top board of range hood or the back side of exhaust fume collecting hood.
The utility model provides a kind of range hood with multiple temp probes; the variations in temperature that makes range hood accurately detect contrast cooking process becomes possibility; the utility model can just start rapidly blower fan work in the time that culinary art starts; then coordinate cooking process automatically to regulate rotation speed of fan; range hood can be adjusted rotation speed of fan immediately according to the temperature variation for working in each stage of culinary art; reach best fume exhaust effect, effectively protect that people's is healthy.
Brief description of the drawings
Fig. 1: control schematic diagram of the present utility model.
Fig. 2: the installation site schematic diagram of oil smoke temp probe in the utility model.
Fig. 3: the installation site schematic diagram of environment temperature probe in the utility model.
In figure: 1. power switch, 2. control circuit, 3. smog probe, 4-1. environment temperature probe, 4-2. oil smoke temp probe, 5. blower fan, 6. inductive switch, 7. casing, 8. installing hole, 9. cover of upholstery, 10. cabinet top board, 11. exhaust fume collecting hoods.
Detailed description of the invention
Below in conjunction with brief description of the drawings and detailed description of the invention, the utility model is described further.
As shown in Figure 1, a kind of range hood with multiple temp probes, comprise a lampblack absorber casing, in it, be provided with control circuit 2, blower fan 5 and smog probe 3, described control circuit 2 is connected with external power supply by a power switch 1, control circuit JA(junction ambient) temp probe 4-1 and oil smoke temp probe 4-2, environment temperature probe 4-1 and oil smoke temp probe 4-2 send a signal to control circuit 2 by the temperature detecting in real time, smog probe 3 detects in real time oil smoke and sends a signal to control circuit 2, control circuit 2 receives after signal is processed and controls and start or cut out blower fan 5 or to blower fan 5 speed governing, control circuit 2 connects an inductive switch 6, and inductive switch 6 can be controlled control circuit and start and enter auto-programming and turn round to further control blower fan 5 from the signal of smog probe 3, environment temperature probe 4-1, oil smoke temp probe 4-2 accepting.
As shown in Fig. 2～3, oil smoke temp probe 4-2 is positioned at the installing hole 8 of offering on lampblack absorber casing 7 outer surfaces, and smog probe is arranged in the flue (not shown) of lampblack absorber casing inside; Environment temperature probe can be located in the cover of upholstery 9 of range hood or on the cabinet top board 10 of range hood or the back side of exhaust fume collecting hood 11.
The course of work of the present utility model:
(1) press power switch active control system;
(2) enter automatic induction program by inductive switch, range hood enters holding state, environment temperature probe and oil smoke temp probe detect respectively ambient temperature and oil smoke temperature, the temperature signal detecting is immediately sent to the relatively temperature difference of control circuit by two kinds of temp probes, and smog probe enters armed state;
(3) while starting to cook, pot produces temperature, automatically opens blower fan to the most high-grade running in the time that the temperature difference that environment temperature and oil smoke temperature detected is reached setting value by control circuit;
(4) along with the end of culinary art, pot temperature declines, and oil smoke temperature declines thereupon, and in the time that the temperature difference numerical value of instant environment temperature and oil smoke temperature reaches setting temperature approach, control circuit reduces rotation speed of fan automatically, in low or first gear work; If now temperature approach rises, control circuit upgrades control blower fan, enters top gear work;
(5), under holding state, if the temperature approach of oil smoke temp probe and environment temperature probe rises, repeat (3), (4) flow process; If temperature approach does not rise, and smog probe also can't detect remaining cigarette, and cigarette organizational security is held low or first gear running, shuts down reaching after the setting-up time of time delay;
(6) whole flow process restarts need to again press by power switch and inductive switch.
Claims (3)
1. the range hood with multiple temp probes, comprise a lampblack absorber casing (7), in it, be provided with control circuit (2), blower fan (5) and smog probe (3), described control circuit (2) is connected with external power supply by a power switch (1), it is characterized in that described control circuit JA(junction ambient) temp probe (4-1) and oil smoke temp probe (4-2), environment temperature probe (4-1) and oil smoke temp probe (4-2) all send a signal to control circuit (2) by the temperature detecting in real time, smog probe (3) detects in real time oil smoke and sends a signal to control circuit (2), control circuit (2) receives after signal is processed and controls and start or cut out blower fan (5) or to fan speed regulation.
2. a kind of range hood with multiple temp probes according to claim 1, it is characterized in that described control circuit (2) connects an inductive switch (6), described inductive switch (6) can be controlled control circuit and start and enter auto-programming to accept signal from smog probe (3), environment temperature probe (4-1), oil smoke temp probe (4-2) to further control blower fan (5) running.
3. a kind of range hood with multiple temp probes according to claim 1 and 2, it is characterized in that described oil smoke temp probe (4-2) is positioned at the installing hole (8) of offering on lampblack absorber casing (7) outer surface, smog probe (3) is arranged in the flue of lampblack absorber casing inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287723.XU CN203848364U (en) | 2014-05-30 | 2014-05-30 | Exhaust hood with multiple temperature probes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287723.XU CN203848364U (en) | 2014-05-30 | 2014-05-30 | Exhaust hood with multiple temperature probes |
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| CN203848364U true CN203848364U (en) | 2014-09-24 |
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| CN201420287723.XU Active CN203848364U (en) | 2014-05-30 | 2014-05-30 | Exhaust hood with multiple temperature probes |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325152A (en) * | 2016-08-22 | 2017-01-11 | 四川华索自动化信息工程有限公司 | Frequency error correction type flue pipe temperature monitoring system based on Internet-of-things technology |
| CN110762575A (en) * | 2019-10-28 | 2020-02-07 | 星络智能科技有限公司 | Storage medium, intelligent range hood and control method thereof |
| CN111023168A (en) * | 2019-12-12 | 2020-04-17 | 广东万家乐厨房科技有限公司 | Linkage system between range hood and stove |
| CN111412506A (en) * | 2020-03-31 | 2020-07-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Starting detection method and device of cooking equipment, range hood and storage medium |
| CN112178727A (en) * | 2020-10-29 | 2021-01-05 | 无锡锐丰源环境科技有限公司 | Network-based oil smoke monitoring method, fan control method and fan system |
| CN112228934A (en) * | 2020-10-22 | 2021-01-15 | 密波锋 | Intelligent control system and method for pumping and exhausting oil smoke |
| CN115234957A (en) * | 2022-08-01 | 2022-10-25 | 杭州老板电器股份有限公司 | Smoke exhaust linkage control system and smoke exhaust linkage control method |
-
2014
- 2014-05-30 CN CN201420287723.XU patent/CN203848364U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325152A (en) * | 2016-08-22 | 2017-01-11 | 四川华索自动化信息工程有限公司 | Frequency error correction type flue pipe temperature monitoring system based on Internet-of-things technology |
| CN110762575A (en) * | 2019-10-28 | 2020-02-07 | 星络智能科技有限公司 | Storage medium, intelligent range hood and control method thereof |
| CN111023168A (en) * | 2019-12-12 | 2020-04-17 | 广东万家乐厨房科技有限公司 | Linkage system between range hood and stove |
| CN111412506A (en) * | 2020-03-31 | 2020-07-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Starting detection method and device of cooking equipment, range hood and storage medium |
| CN111412506B (en) * | 2020-03-31 | 2022-04-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Starting detection method and device of cooking equipment, range hood and storage medium |
| CN112228934A (en) * | 2020-10-22 | 2021-01-15 | 密波锋 | Intelligent control system and method for pumping and exhausting oil smoke |
| CN112178727A (en) * | 2020-10-29 | 2021-01-05 | 无锡锐丰源环境科技有限公司 | Network-based oil smoke monitoring method, fan control method and fan system |
| CN115234957A (en) * | 2022-08-01 | 2022-10-25 | 杭州老板电器股份有限公司 | Smoke exhaust linkage control system and smoke exhaust linkage control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150918 Address after: Two building, No. 168, building No. 312500, Zhejiang forging Road, Shengzhou Economic Development Zone, Zhejiang, Shaoxing Patentee after: SHENGZHOU LEPUS ELECTRIC APPLIANCE CO., LTD. Address before: Ganlin Town Industrial Park Shaoxing city Shengzhou City, Zhejiang province 312400 Patentee before: ZHEJIANG DELE ELECTRIC APPLIANCE CO., LTD. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20181008 Address after: 312400 No. three Bo Lu, Shengzhou Economic Development Zone, Shaoxing, Zhejiang, 48 Patentee after: Shengzhou Chen Hua Electric Appliance Co., Ltd. Address before: 312500, two tower, building 168, zhe forge Road, Shengzhou Economic Development Zone, Shaoxing, Zhejiang. Patentee before: Shengzhou Lepus Electrical Appliance Co., Ltd. |
|
| TR01 | Transfer of patent right |