CN207312884U - A kind of smoke control device of elevator - Google Patents

Abstract

The utility model discloses a kind of smoke control device of elevator, including ventilation unit, built-in sensors, outer sensor and air filter, the ventilation unit includes wind turbine, first air port and the second air port, first air port is arranged at the bottom of car floor or side wall, second air port is arranged on the top in carriage, second air port is connected by air passage with wind turbine one end, the wind turbine other end is equipped with A outlets and B outlets, the A outlets are communicated with outside, and the B outlets are communicated by air filter with outside；The outer sensor is distributed in outside carriage outer wall OR gate, and the built-in sensors are distributed on the top plate in carriage inner wall or carriage, and the ventilation unit is connected with outer sensor and built-in sensors respectively.Using the utility model, the toxic fumes that fire produces can have both been avoided to be injured caused by carriage trapped person, it may also be used for daily car ventilation removing taste.

Description

A kind of smoke control device of elevator

Technical field

It the utility model is related to elevators field, more particularly to a kind of smoke control device of elevator.

Background technology

When high-rise building meets with fire, the main power source of elevator is cut off, if also having personnel not escape from time in elevator at this time, Then it is trapped in carriage, the flue dust that fire produces can enter in carriage with hoistway or car door, and passenger-in-elevator is except facing elevator It is possible to outside the various safety problems of appearance, has also taken precautions against entering the flue dust in carriage.Fire statistics data shows, fiery Have that 60%~80% cause of death is related with the flue gas in fire in died in calamity, flue dust is mainly carbon monoxide, titanium dioxide Carbon, vapor, sulfur dioxide and phosphorus pentoxide etc. mix toxic gas, and human body suction is easily poisoned to death.It is and existing The ventilation equipment of elevator generally with hoistway air communication, though the circulation of air in carriage can be kept, can not ensure to be passed through carriage Interior air quality, so as to cannot prevent from injuring caused by trapped person from the flue dust that fire produces.

Utility model content

The technical problem to be solved by the utility model is to, there is provided a kind of smoke control device of elevator, can both avoid fire The toxic fumes of generation are injured caused by carriage trapped person, it may also be used for daily car ventilation removing taste.

In order to solve the above-mentioned technical problem, the utility model provides a kind of smoke control device of elevator, including ventilation unit, Built-in sensors, outer sensor and air filter, the ventilation unit include wind turbine, the first air port and the second air port, First air port is arranged at the bottom of car floor or side wall, and second air port is arranged on the top in carriage, and described second Air port is connected by air passage with wind turbine one end, and the wind turbine other end is equipped with A outlets and B outlets, the A outlets and exterior phase Logical, the B outlets are communicated by air filter with outside；

The outer sensor is distributed in outside carriage outer wall OR gate, and the built-in sensors are distributed in carriage inner wall or carriage On interior top plate, the ventilation unit is connected with outer sensor and built-in sensors respectively.

As the improvement of such scheme, the outer sensor includes cigarette induction device and/or thermal sensation device, the external biography Sensor is at least provided with 3.

As the improvement of such scheme, the built-in sensors include cigarette induction device, and the built-in sensors are at least provided with 3 It is a.

As the improvement of such scheme, the cigarette induction device is ion type smog sensor, and the thermal sensation device is temperature Sensor.

As the improvement of such scheme, the Smoke prevention elevator is additionally provided with UPS uninterrupted power sources for elevator main power circuit Continue to power to ventilation unit, built-in sensors and outer sensor during power-off.

As the improvement of such scheme, the air filter is equipped with ultra-fine fibre glass thing filter layer, active carbon layer With the silver-colored titanium dioxide layer of load.

Implement the beneficial effects of the utility model to be：

The utility model is by outer sensor and built-in sensors to determine whether being in fire condition and needing to inhale The smoke that smoking in carriage is left is walked, using the forward and reverse rotation of wind turbine, A outlets are connected with extraneous air and B outlets and sky The characteristics of gas filtration apparatus connects, realizes and crosses air filtering in case of fire, it is ensured that the quality of air in into carriage, daily In the case of normal ventilation, both solved the ventilating problem in carriage under fire condition, and can also keep leading to during carriage routine use Wind is all right, and regular maintenance cost is low.In addition, the smoke control device optimization apparatus structure of elevator described in the utility model, and with Existing elevator production line compatibility is strong, reforming equipment less investment.

Brief description of the drawings

Fig. 1 is a kind of structure diagram of the smoke control device of elevator of the utility model；

Fig. 2 is a kind of another structure diagram of the smoke control device of elevator of the utility model.

Embodiment

It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer Type is described in further detail.Only this state, the utility model occur in the text or will appear from upper and lower, left and right, it is preceding, Afterwards, the orientation such as inside and outside word, only on the basis of the attached drawing of the utility model, it is not that the specific of the utility model is limited.

Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.

In order to overcome existing elevator to be difficult to carry out Smoke prevention measure in fire, as depicted in figs. 1 and 2, the utility model carries It is described for a kind of smoke control device of elevator, including ventilation unit, built-in sensors 5, outer sensor 6 and air filter 7 Ventilation unit includes wind turbine 2, the first air port 3 and the second air port 4, and first air port 3 is arranged at the bottom of 1 bottom plate of carriage or side wall Portion, second air port 4 are arranged on the top in carriage 1, and second air port 4 is connected by air passage with 2 one end of wind turbine, the wind 2 other end of machine is equipped with A and exports 21 and B outlets 22, and the A outlets 21 are communicated with outside, and the B outlets 22 are filled by air filtration 7 are put to communicate with outside；

The outer sensor 6 is distributed in outside 1 outer wall OR gate of carriage, the built-in sensors 5 be distributed in 1 inner wall of carriage or On top plate in carriage 1, the ventilation unit is connected with outer sensor 6 and built-in sensors 5 respectively.

Wherein, the wind turbine 2 that ventilation unit includes is equipped with the top of carriage 1, and the wind turbine 2 can rotate forward air-supply or reversely take out Wind.First air port 3 is equipped with 1-10, respectively in the bottom of 1 bottom plate of carriage or side wall, with 1 outer air communication of carriage；But both into Gas port or exhaust outlet, depending on specific 2 direction of rotation of apparent wind machine.Second air port 4 is equipped with 1-10, in carriage 1 Top, second air port 4 are connected by air passage with 2 one end of wind turbine；Similarly, the second air port 4 both can be air inlet, can also It is exhaust outlet, depending on specific 2 direction of rotation of apparent wind machine.

Specifically, when wind turbine 2 is air-supply in positive steering carriage 1, the air outside carriage 1 enters sedan-chair by the second air port 4 In railway carriage or compartment 1, then it is discharged to outside carriage 1 from the first air port 3, forms air flow circulation, plays the logical wind action of ventilation, at this time second Air port 4 is air inlet, and the first air port 3 is exhaust outlet.When wind turbine 2 is exhausting in counter steer carriage 1, the air warp in carriage 1 Second air port 4 discharge carriage 1 is outer so as to form negative pressure in carriage 1, and 1 outer air pressure of carriage is more than the air pressure in carriage 1, carriage 1 Outer air is added in carriage 1 by the first air port 3, so as to form air flow circulation, at this time, the first air port 3 is air inlet, Second air port 4 is exhaust outlet.

The wind turbine 2 that the ventilation unit of existing elevator uses generally only has air blowing function, but if fire condition, in hoistway The flue dust for being mingled with various toxic gases is filled with, if elevator also continues to carry out ventilation ventilation using the ventilation unit, can be incited somebody to action Toxic fumes are drawn onto in carriage 1, do not have the purpose of Smoke prevention.If closing the ventilation unit, trapped person can then cause with The passage of stranded time, content of oxygen in air is fewer and fewer in carriage 1, it may appear that anoxic, the problem of asphyxia.

For this reason, Smoke prevention elevator described in the utility model is equipped with air filter 7 to purify the air entered in carriage 1. Described 2 one end of wind turbine is connected with the second air port 4, and the other end is equipped with A and exports 21 and B outlets, 22, A outlets 21 and exterior direct phase Logical, the B outlets 22 are communicated by air filter 7 with outside.And in order to control elevator in fire just using purification after Air be sent into carriage 1 in, the utility model is externally provided with several built-in sensors 5 and outer sensor 6 in carriage 1.Institute Stating outer sensor 6 includes cigarette induction device and/or thermal sensation device, and the outer sensor 6 is distributed in carriage 1 at least provided with 3 Outside outer wall OR gate, it can judge whether to be in fire condition by cigarette induction device and thermal sensation device.When cigarette induction device and thermal sensation device Measured data exceedes threshold value, and the B outlets 22 that wind turbine 2 opens wind turbine 2 cause wind turbine 2 to be connected with air filter 7, and wind turbine 2 rotate forward, and blow into carriage 1 so that the air outside carriage 1 enters back into carriage 1 after first passing around air filter 7 It is interior, even if the toxic fumes containing high concentration in air, also ensure that filtered air meets air quality requirements, so as to solve The certainly ventilating problem under fire condition in carriage 1.

But daily elevator is in use, the air in hoistway is not required to filter, as also used sky in daily elevator ventilation process Gas filtration apparatus 7 then needs very high maintenance cost, this is because 7 adsorption particle of air filter and toxic gas are to one After a saturation value, then there is no filtration, it is therefore desirable to periodic replacement and cleaning, so as to cause maintenance cost height.For this reason, this Wind turbine 2 described in utility model is equipped with two outlets：A exports 21 and B outlets, 22, B outlets 22 and is connected with air filter 7.A Outlet 21 is directly connected with extraneous air, and A outlets 21 are opened in daily elevator ventilation, are closed B outlets 22, are directly adopted and hoistway air Ventilation；And occur closing A outlets 21 during fire, B outlets 22 are opened, the air of hoistway is first filtered and is discharged into afterwards in carriage 1. The ventilating problem under fire condition in carriage 1 had both been solved using the utility model, has also reduced regular maintenance cost, with existing elevator Compatibility it is strong.

Daily elevator ventilation can run into two kinds of situations：（1）Someone's smoking in carriage 1, causes 1 smoke of carriage to be difficult to disperse； （2）Free from extraneous odour.For（1）Kind situation, the utility model carriage 1 is interior to be equipped with built-in sensors 5, and built-in sensors 5 are Gao Ling The cigarette induction device of sensitivity, when detection numerical value exceedes predetermined threshold value, wind turbine 2 opens A outlets 21, closes B outlets 22, and reversely Exhausting will have smoke air quickly to extract out, so as to keep with fresh air in carriage 1.For（2）Kind situation, smoke smell free then will not Triggering built-in sensors 5, wind turbine 2, which is still, opens A outlets 21, closes B outlets 22, but is to use positive air supply mode at this time, Which to the comfort level of passenger-in-elevator more preferably.

Preferably, cigarette induction device described in the utility model is ion type smog sensor, and the thermal sensation device passes for temperature Sensor.

Preferably, it may result in the power-off of elevator main power source in case of fire, Smoke prevention elevator described in the utility model is also Equipped with UPS uninterrupted power sources as backup power supply, when elevator main power circuit is powered off to ventilation unit, 5 and of built-in sensors Outer sensor 6 continues to power.

It should be noted that air filter 7 described in the utility model is equipped with ultra-fine fibre glass thing filter layer, activity Layer of charcoal and the silver-colored titanium dioxide layer of load.It may filter that particulate matter and carbon monoxide, two in air by the air filter 7 The toxic gases such as carbonoxide, benzene, toluene, sulfur dioxide and phosphorus pentoxide, can meet filtering requirement during fire condition.

In conclusion the utility model by outer sensor and built-in sensors to determine whether in fire condition with And need to siphon away the smoke that smoking is left in carriage, using the forward and reverse rotation of wind turbine, A outlets are connected with extraneous air and B The characteristics of outlet is connected with air filter, realizes and crosses air filtering in case of fire, it is ensured that the matter of air in into carriage Amount, the normal ventilation under even in everyday situations had both solved the ventilating problem in carriage under fire condition, and can also keep carriage daily Divulge information during use all right, regular maintenance cost is low.In addition, Smoke prevention elevator optimization apparatus structure described in the utility model, and Strong, the reforming equipment less investment with existing elevator production line compatibility.

The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit Decorations are also considered as the scope of protection of the utility model.

Claims (6)

1. a kind of smoke control device of elevator, it is characterised in that including ventilation unit, built-in sensors, outer sensor and air Filtration apparatus, the ventilation unit include wind turbine, the first air port and the second air port, first air port be arranged at car floor or The bottom of side wall, second air port are arranged on the top in carriage, and second air port is connected by air passage with wind turbine one end, institute The wind turbine other end is stated to communicate with outside equipped with A outlets and B outlets, A outlet, the B outlets by air filter and Outside communicates；

The outer sensor is distributed in outside carriage outer wall OR gate, and the built-in sensors are distributed in carriage inner wall or carriage On top plate, the ventilation unit is connected with outer sensor and built-in sensors respectively.

2. the smoke control device of elevator as claimed in claim 1, it is characterised in that the outer sensor include cigarette induction device and/ Or thermal sensation device, the outer sensor is at least provided with 3.

3. the smoke control device of elevator as claimed in claim 1, it is characterised in that the built-in sensors include cigarette induction device, institute Built-in sensors are stated at least provided with 3.

4. the smoke control device of elevator as claimed in claim 2, it is characterised in that the cigarette induction device senses for ion type smog Device, the thermal sensation device are temperature sensor.

5. the smoke control device of elevator as claimed in claim 1, it is characterised in that it is uninterruptedly electric that the smoke control device is additionally provided with UPS Source to ventilation unit, built-in sensors and outer sensor when elevator main power circuit powers off for continuing to power.

6. the smoke control device of elevator as claimed in claim 1, it is characterised in that it is fine that the air filter is equipped with superfine glass Tie up thing filter layer, active carbon layer and carry silver-colored titanium dioxide layer.