CN2931875Y

CN2931875Y - Intelligence exhaust fan

Info

Publication number: CN2931875Y
Application number: CN 200520128310
Authority: CN
Inventors: 庞辉龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-28
Filing date: 2005-11-28
Publication date: 2007-08-08
Anticipated expiration: 2015-11-28

Abstract

The utility model discloses an exhaust fan with the function of automatic air-changing after gas leakage, comprising two parts namely a gas detection and emission device and exhaust fan members which include a traditional exhaust fan and a connected wireless reception device. The gas detection and emission device is an electric nose with audio and visual alarm. The electric nose is not arranged inside but separated from the exhaust fan which is provided inside with a wireless reception module receiving wireless signal emit by the electric nose and driving the fan generator. The electric nose is arranged near the air supply, when detecting the gas density in the air is overproof, the audio and visual alarm works and the wireless signal emits to remote control the exhaust fan, thereby ventilating and changing air in time, diluting the gas density and preventing accidents from occurring. The exhaust fan completely excludes the incident that a sensing device prematurely fails for oil and smoke erosion, thereby making the operation more accurate, more reliable and longer service life.

Description

The intelligence ventilating fan

Technical field

The utility model relates to the ventilating fan technology, particularly relate to a kind of can acoustooptic alarm, get rid of the ventilating fan of inflammable gass such as coal gas, rock gas, liquefied petroleum gas (LPG) automatically.

Background technique

Nowadays, the increasing home-use combustion gas of having gone up, it has brought facility for our life.But, in case leak, may poison, serious accidents such as fire and blast serious harm people's life, property safety in the using process because itself there are certain toxicity in these gases.Along with the raising of people's safety usefulness gas consciousness, people press for a kind of instrument that can in time detect gas leakage, take a breath automatically.At present, ventilating fan as kitchen ventilation main tool, major part is a hand switch, no combustion gas detects, automatic ventilatory, has the gas leakage ventilating fan of ventilation automatically though also have on the market, and they have the following disadvantages: 1, gas security is installed on the ventilating fan, too near from gas cooker, the oil smoke when cooking, steam meeting corrosion sensor make its premature failure; 2, for heavy liquefied petroleum gas (LPG), easily above the floor, deposit during leakage, and sensing station is higher, can not in time detect; Accumulate in the roof for the little coal gas of proportion, the easy come-up of rock gas, can not in time detect equally, sensitivity is low, cause easily and fail to report, report by mistake phenomenon, thereby reliability is not high.

The model utility content

Be directly installed on easy the inefficacy and the low problem of sensitivity on the ventilating fan in order to solve sensor, it is a kind of simple in structure that the utility model provides, and the life-span is long, easy for installation, can in time detect when gas concentration is exceeded standard, report to the police rapidly, self-bleeding ventilating fan.

The technical solution of the utility model realizes in the following manner:

A kind of ventilating fan with the automatic ventilatory of gas leakage, it is made up of two-part, and the one, the combustion gas detection device; The 2nd, the ventilating fan host machine part, it comprises the radio receiver of ventilating fan and connection thereof.The combustion gas detection device is commonly called as Electronic Nose for detecting inflammable gas, acoustooptic alarm, and can launching the fuel gas alarm of wireless signal.Electronic Nose is not located at ventilating fan inside, but separates with ventilating fan, connects one and have the wireless signal that receives the Electronic Nose emission, the wireless receiving module of control fan electromotor on ventilating fan power switch K1.

Electronic Nose is Electronic Nose or the Electronic Nose of emission optical signal or the Electronic Nose of electromagnetic signals of emission acoustic signal.

Electronic Nose has a plurality of working station indicators and/or voice guard.

Electronic Nose has the button K2 of direct startup ventilating fan.

In the wireless receiving module outside or inside be provided with power regulator and provide dc supply for the ventilating fan main frame.

External a plurality of tutorial light and/or voice guard are installed on the exhaust fan panel on wireless receiving module, with the working state of indication ventilating fan.

Relay in the wireless receiving module is contact relay or contactless relay, and wherein contactless relay is controllable silicon or solid state relay etc.

The voice guard of wireless receiving module and Electronic Nose is buzzer or voice module.

The receiving antenna of wireless receiving module can also can be in outside in host shell inside.

Good effect of the present utility model:

1, test section employing wireless transmission mode of the present utility model, the phenomenon of sensor because of oil smoke corrosion premature failure avoided in the work of remote control ventilating fan fully, and Electronic Nose can be installed near source of the gas, and detection is sensitive more, reliable, the life-span is longer.

2 because remote signal is radio waves, so when Electronic Nose is installed in the kitchen, not the recipient to the restriction of position, install very convenient.The volume of Electronic Nose is less, it can be installed in wall lamp inside, but both dual-use materials, and it is attractive in appearance also can to decorate the kitchen.

The cost of fan increases a lot, but also has promoted the market value of ventilating fan, and this type of ventilating fan will have the very big market space in the city.

Description of drawings:

Fig. 1 is the circuit theory schematic representation that wireless receiving module of the present utility model is connected with ventilating fan.

Fig. 2 is the structural representation of combustion gas detection device of the present utility model.

Fig. 3 is a control flow chart of the present utility model.

Specific implementation method:

By Fig. 1, Fig. 2 as can be seen, the utility model is made up of 2 parts, and the one, the combustion gas detection device; The 2nd, the ventilating fan main frame, it comprises the traditional ventilating fan and the radio receiver of connection thereof.Its combustion gas detection device 6 is for having the Electronic Nose of 7.1,7.2 and buzzers 8 of two light emitting diodes; The reception unit that connects on ventilating fan power switch K1 is one and has the electromagnetic wave signal that receives Electronic Nose 6 emissions, the wireless receiving module 2 of control ventilating fan motor 1 work.

It can also be seen that by Fig. 1: between wireless receiving module 2 and civil power, be provided with power regulator 3 and provide 12V dc supply for wireless receiving module 2.Connect three working station indicators at wireless reception module 2 places, be respectively red light emitting diodes 4.1, green LED 4.2, yellow light-emitting diode 4.3, also have a voice guard 5, be installed on the exhaust fan panel, with the working state of indication ventilating fan.

Electronic Nose is in the installation in kitchen: Electronic Nose for the user who uses liquefied petroleum gas (LPG), is installed to lower under the principle of installing near source of the gas as far as possible, is advisable to be no more than 10cm place, ground, because liquefied petroleum gas (LPG) is heavier than air; For using the less coal gas of proportion, the user of rock gas, the Electronic Nose installation that as far as possible hoists.During installation, click start button K2, with the signal of judging Electronic Nose emission whether in the range of receiving of ventilating fan.

The Electronic Nose and the wireless receiving module inventor select Shenzhen the plan strategies for YCF100A-RQ and the YCJSCON-2L/M type of company.This covering device is active in one's movements through long-time test, and reliable operation can effectively detect inflammable gass such as coal gas, liquefied petroleum gas (LPG), rock gas.YCF100A-RQ can launch electromagnetic fuel gas alarm, and wireless receiving module is installed in ventilating fan inside.

As seen from Figure 3, Electronic Nose and the logical respectively civil power of ventilating fan main frame, Electronic Nose begins to detect airborne gas concentration, green LED 7.2 Chang Liang, and ventilating fan also is in holding state, green LED 4.2 Chang Liang.When detection by electronic nose when gas concentration exceeds standard, YCF100A-RQ's starts to control threshold value setting at 10%～25%LEL, red light emitting diodes 7.1 flickers, buzzer 8 pipes, the transmitting radio magnetostatic wave signal after the wireless receiving module 2 in the ventilating fan receives signal, was delayed time 30 seconds simultaneously, red light emitting diodes 4.1 is bright, the internal relay conducting is equivalent to the closure power switch K1 simultaneously, and run indicator 4.3 is bright, ventilating fan motor 1 gets electric work, the beginning ventilation.Start to control when a little following when gas concentration in the air drops to, Electronic Nose 6 stops acoustooptic alarm, stops to launch remote signal, and the relay electric-loss in the wireless receiving module 2 is equivalent to K1 and disconnects, and run indicator 4.3 is gone out, and ventilating fan returns to holding state.

When the user cooks, thinking the start-up by hand ventilating fan, the direct Closing Switch K1 or the K2 that pushes button, at this moment, no matter ventilating fan is in any state, and it all can normally start operation.

Claims

1, a kind of intelligent ventilating fan, it is made up of two-part, and the one, the combustion gas test section; The 2nd, ventilating fan host machine part: the radio receiver that comprises ventilating fan and connection thereof, it is characterized in that: the Electronic Nose (6) of combustion gas detection device for detecting inflammable gas, also can launching wireless signal, the wireless receiving module of responding to Electronic Nose (6) remote control (2) is installed in ventilating fan main frame inside.

2, intelligent ventilating fan according to claim 1 is characterized in that: wireless receiving module (2) is connected on the ventilating fan power switch K1.

3, intelligent ventilating fan according to claim 2 is characterized in that: Electronic Nose (6) is Electronic Nose or the Electronic Nose of emission optical signal or the Electronic Nose of electromagnetic signals of emission acoustic signal.

4, intelligent ventilating fan according to claim 3 is characterized in that: working station indicator (7) is installed or/and voice guard (8) on Electronic Nose (6) panel.

5, intelligent ventilating fan according to claim 4 is characterized in that: the button K2 that direct startup ventilating fan is installed on Electronic Nose (6) panel.

6, according to claim 1,2,3,4,5 described intelligent ventilating fans, it is characterized in that: in wireless receiving module (2) outside or wireless receiving module inside be provided with power regulator (3) and provide dc supply for the ventilating fan main frame.

7, intelligent ventilating fan according to claim 6 is characterized in that: work indicator light on the ventilating fan host panel (4) has a plurality of and/or voice guard (5), is connected on the wireless receiving module.

8, intelligent ventilating fan according to claim 7 is characterized in that: Electronic Nose voice guard (8), main frame voice guard (5) are buzzer or voice module.

9, intelligent ventilating fan according to claim 8 is characterized in that: there is relay wireless receiving module (2) inside.

10, intelligent ventilating fan according to claim 9 is characterized in that: relay is contact relay or contactless relay, and wherein contactless relay is controllable silicon or solid state relay etc.