A kind of integrated kitchen range with flue safeguard function
Technical field
The present invention relates to integrated kitchen range technical fields, and in particular to a kind of integrated kitchen range with flue safeguard function.
Background technique
Integrated kitchen range, is also referred to as environment-protection oven or integrated environment-friendly stove in industry, integrated kitchen range be a kind of collection range hood, gas-cooker,
The multiple functions such as disinfection cabinet, storage cabinet have saving space, smoke pumping effect good, low energy ring in the kitchen appliance of one
The advantages that guarantor.General integrated kitchen range oil absorbency reaches 95%, and oil smoke clean absorption rate is higher, and quality is better, some brand integrated kitchen range oil
Cigarette clean absorption rate has reached 99.95% limit index.
Although integrated kitchen range has preferable smoking performance, there is also some potential safety problemss.Especially carrying out height
When the cooking operations such as warm quick-fried, the defect is more obvious.In daily life, when carrying out quick-fried with integrated kitchen range, the oil temperature in pot
On fire in easy pot in the case where excessively high, smoke evacuation system often sucks flame in integrated kitchen range at this time.When on fire too quickly in pot
When, which gently then damages integrated kitchen range internal components, heavy then cause fire incident.Common practice in the prior art usually exists
One solenoid valve and a temperature sensor are set on the blower flue of smoke evacuation system, when temperature sensor detects that temperature is super
When crossing threshold range, the controller of integrated kitchen range assigns control instruction, blower and solenoid valve is closed, to prevent fire spreading.But
There are still huge defects for this way: 1, when blower and solenoid valve are closed, having had more flame and air to be inhaled into
Inside integrated kitchen range, rests in the flue between solenoid valve and exhaust fume collecting hood smoke inlet, cannot be completely eliminated security risk.2, it uses
The mode of temperature sensor easily causes false alarm when encountering high-temperature water vapor, flue gas.
Summary of the invention
The purpose of the present invention is to provide a kind of integrated kitchen range with flue safeguard function, can when flame is excessive, and
When closing smoke inlet, to prevent flame to be inhaled into integrated kitchen range.
For achieving the above object, the technical scheme adopted by the invention is that: a kind of collection with flue safeguard function
At stove, including integrated kitchen range main body and the exhaust fume collecting hood being arranged on rear side of body top;Smoke inlet is set on the exhaust fume collecting hood, it is described into
Movable plate is transversely hinged on exhaust fume collecting hood above mouth;
It further include positioning mechanism and testing agency, the positioning mechanism can lock movable plate, keep movable plate holding horizontal
State forms eaves portion with the top on front side of smoke inlet;And positioning mechanism can release under the control of the controller to movable plate
Locking, so that movable plate is turned to vertical state, to form closing to smoke inlet;The testing agency is mounted on exhaust fume collecting hood
It is interior, whether there is flame entrance in exhaust fume collecting hood for detecting, and will test information and feed back to controller.
Preferably, the positioning mechanism includes electromagnet and by suction piece;The electromagnet is fixedly mounted on exhaust fume collecting hood, and
Positioned at the top of movable plate articulated position;It is described to be fixedly mounted on movable plate by suction piece, and position is opposite with electromagnet.
Preferably, the positioning mechanism includes the mounting plate of irony and is fixed at movable plate at articulated position
Permanent magnet is embedded with electromagnetic coil in the mounting plate;The electromagnetic coil is connect with controller.
Preferably, the testing agency includes two groups of elastic components being symmetricly set on the inner wall of exhaust fume collecting hood two sides, described
Pass through three groups of vertically evenly arranged pulling force component interconnections between elastic component;Elastic component described in every group includes two
The upright bar being parallel to each other is evenly arranged with three Return springs vertically arranged between two upright bars, the Return spring
Both ends are affixed with two upright bars respectively;The pulling force component includes nylon bracing wire and the pressure for being fixed at nylon bracing wire both ends
Sensor, the pressure sensor are fixed in upright bar, and the pull force calculation end of pressure sensor and nylon bracing wire are affixed;
The pressure sensor and controller are electrically connected.
Preferably, the edge of the smoke inlet side is provided with a circle towards protective edge outstanding on front side of exhaust fume collecting hood.
Preferably, the movable plate is provided with cushion rubber bumper towards smoke inlet on one side.
Preferably, the surface of the cushion rubber bumper is coated with oleophobic coating.
Preferably, it is provided with exhaust blower in the lower part on rear side of the integrated kitchen range main body, the input end of the exhaust blower passes through
Smoke-intake pipe is connected to exhaust fume collecting hood, and the outlet end of exhaust blower is connected to one end of smoke exhaust pipe;The other end of the smoke exhaust pipe extends to
The lower part of body side is simultaneously connect with fume discharge connector;The control signal terminal mouth of the exhaust blower is electrically connected with the controller.
Preferably, delay is provided on the circuit between control signal terminal mouth and the controller of the exhaust blower to open
It closes.
Preferably, there are two burner, body side is provided with fuel gas interface, the combustion gas for the top surface setting of the main body
Interface is connected to by appendix with burner.
Beneficial effects of the present invention embody a concentrated reflection of:
1, the top plate that the movable plate in normal state, being hingedly arranged can be used as exhaust fume collecting hood uses, and improves exhaust fume collecting hood
Cage smoke performance.When flame is inhaled into inside exhaust fume collecting hood, detected mechanism is detected, controller controls positioning mechanism unlock and lives
Movable plate, movable plate turn to vertical state, play the role of closing smoke inlet, to prevent flame from further invading.
2, after movable plate closing smoke inlet, the exhaust blower of integrated kitchen range continues to drain the air come into integrated kitchen range,
Flame is set to lose oxygen, to quickly extinguish.
3, due to forming negative pressure in the exhaust fume collecting hood of integrated kitchen range, movable plate persistently compresses smoke inlet under the action of negative pressure, guarantees
Smoke inlet it is closed, prevent the oxygen from filling into inside exhaust fume collecting hood again.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the left view in Fig. 1;
Fig. 3 is a kind of use state diagram of structure shown in Fig. 2;
Fig. 4 is the portion A enlarged drawing in Fig. 2;
Fig. 5 is the structural schematic diagram of testing agency;
Fig. 6 is structural schematic diagram when construction nylon bracing wire shown in Fig. 5 is blown;
Fig. 7 is the scheme of installation of exhaust blower and exhaust fume collecting hood;
Fig. 8 is circuit block diagram of the invention.
Specific embodiment
A kind of integrated kitchen range with flue safeguard function as shown in figures 1-8, including integrated kitchen range main body 1 and setting are in main body
The exhaust fume collecting hood 2 of 1 top rear, the table top that the main body 1 generally comprises cabinet body and is arranged at the top of cabinet body, the front side of interior of the cabinet
It is integrated with disinfection cabinet, pot bowl frame etc., the top surface of the main body 1, that is, is usually provided with two burners 16, main body on table top
1 side is provided with fuel gas interface 17, and the fuel gas interface 17 is connected to by appendix with burner 16, for the supply combustion of burner 16
Material.Certainly, the quantity of burner 16 of the present invention also can be set one, three etc., is configured according to client's specific requirements.
Installation site of the rear side as smoke evacuation system inside main body 1 of the present invention, in conjunction with shown in Fig. 2 and 7, that is to say, that institute
It states and is provided with exhaust blower 18 in the lower part of 1 rear side of integrated kitchen range main body, the input end of the exhaust blower 18 passes through smoke-intake pipe 19 and collection
The outlet end of the outlet of 2 lower end of petticoat pipe, exhaust blower 18 is connected to one end of smoke exhaust pipe 20.The other end of the smoke exhaust pipe 20
It extends to the lower part of 1 side of main body and is connect with fume discharge connector 15.The control signal terminal mouth of the exhaust blower 18 and control
Device 5 is electrically connected, and the controller 5 uses single-chip microcontroller, industrial personal computer etc..Exhaust blower 18 realizes opening and closing under the control of controller 5,
It is provided with a relay on circuit between both general, controller 5 operates exhaust blower by the control to relay
18.Since exhaust blower 18 of the invention needs time-delay closing, for this purpose, preferably way is also possible that the control of the exhaust blower 18
It is provided with delay switch on circuit between signal terminal mouth and controller 5 processed, the duration of time-delay closing is generally in 10-15s
Between.
Smoke inlet 3 is set on exhaust fume collecting hood 2 of the present invention, and the position of smoke inlet 3 is normally at 2 front of exhaust fume collecting hood by top
Position, and smoke inlet 3 along exhaust fume collecting hood 2 width direction extend.It is transversely hinged on the exhaust fume collecting hood 2 of 3 top of smoke inlet
There is movable plate 4, the movable plate 4 can be rotated around articulated position.It is of the invention by being cut to 4 location status of movable plate
It changes, to realize the switching between 3 on and off of smoke inlet.
Specifically, the invention also includes positioning mechanisms and testing agency, as shown in Fig. 2, the positioning mechanism can be locked
Determine movable plate 4, movable plate 4 is made to keep horizontality, eaves portion is formed with the top in 3 front side of smoke inlet, to improve cage cigarette effect.
As shown in figure 3, and positioning mechanism the locking to movable plate 4 can be released under the control of controller 5, turn to movable plate 4
Vertical state, to form the closing to smoke inlet 3, to prevent under emergency case inside flame intrusion integrated kitchen range.Namely
In normal state, the top plate that the movable plate 4 being hingedly arranged can be used as exhaust fume collecting hood 2 uses, and improves the cage cigarette of exhaust fume collecting hood 2
Energy.When flame is inhaled into 2 inside of exhaust fume collecting hood, detected mechanism is detected, controller 5 controls positioning mechanism and unlocks movable plate 4,
Movable plate 4 turns to vertical state, plays the role of closing smoke inlet 3, to prevent flame from further invading.4 envelope of movable plate
After closing smoke inlet 3, the exhaust blower 18 of integrated kitchen range continues to drain the air come into integrated kitchen range, and flame is made to lose oxygen,
To quickly extinguish.Since exhaust blower 18 of the invention is using the working method of time-delay closing, can be formed in exhaust fume collecting hood 2 negative
Pressure, movable plate 4 persistently compress smoke inlet 3 under the action of negative pressure, ensure that the closed of smoke inlet 3, prevent oxygen from filling into collection again
Inside petticoat pipe 2.
The specific structure of positioning mechanism of the present invention is more, such as: positioning mechanism is exactly that an output shaft is arc
The linear electric machine cranked arm, output shaft and movable plate 4 are affixed, and motor body is mounted on exhaust fume collecting hood 2, utilize the flexible of its output shaft
Movable plate 4 is driven to rotate, to realize the switching to 4 position of movable plate.Although this mode principle is simple, movable plate 4 is horizontal
The holding of holding and vertical state to state relies on linear electric machine.Actually in use, when movable plate 4 turns to
When vertical, as long as keeping negative pressure inside exhaust fume collecting hood 2, external pressure can compress movable plate 4, be attached to it on smoke inlet 3,
Realize the closing to smoke inlet 3.That is, need only assure that being capable of locking and unlocking movable plate 4 for positioning mechanism of the invention
Transverse state.
For this purpose, positioning mechanism of the present invention can also be including electromagnet and by suction piece.The electromagnet is fixedly mounted
On exhaust fume collecting hood 2, and it is located at the top of 4 articulated position of movable plate.It is described to be fixedly mounted on movable plate 4 by suction piece, and position
It is opposite with electromagnet.That is electromagnet of the invention and irony are mounted on exhaust fume collecting hood 2 by suction piece one, another peace
It on movable plate 4, when electromagnet is powered, adsorbs by suction piece, to realize the locking of dynamic 4 transverse state of movable plate.Electromagnetism
When iron powers off, it is no longer influenced by attraction by suction piece, movable plate 4 is influenced to rotate down by self gravity, vertical state is reached, with
Realize the closing to smoke inlet 3.This mode structure is also comparatively simple, but electromagnet is needed to remain energization, use cost
It is relatively high.
Therefore, the better way of the present invention is also possible that as shown in figure 4, the positioning mechanism includes the mounting plate 6 of irony
Be fixed at permanent magnet 7 of the movable plate 4 at articulated position, be embedded with electromagnetic coil 8 in the mounting plate 6, it is described
Electromagnetic coil 8 is connect with controller 5.In normal state, permanent magnet 7 keeps the attraction to mounting plate 6, to realize to activity
The holding of 4 lateral position of plate.When entering flame in exhaust fume collecting hood 2, controller 5 controls electromagnetic coil 8 and starts, and electromagnetic coil 8 produces
Raw magnetic field is cancelled out each other with permanent magnet 7, and permanent magnet 7 no longer generates suction to mounting plate 6, and movable plate 4 is by self gravity
Influence rotates down, to close smoke inlet 3.Certainly, in addition to this, the present invention plays the positioning mechanism of similar effect using other
It is also feasible.
The testing agency of the invention is mounted in exhaust fume collecting hood 2, whether has flame entrance in exhaust fume collecting hood 2 for detecting,
And it will test information and feed back to controller 5.Most conventional testing agency is just mounted in the temperature sensor inside exhaust fume collecting hood 2,
Itself and 5 communication connection of controller, feed back to controller 5 for the temperature regime in exhaust fume collecting hood 2, but there are background techniques for this mode
Described in mistake detection a possibility that.Therefore, the better way of the present invention is also possible that in conjunction with shown in Figures 5 and 6, the detection
Mechanism includes two groups of elastic components being symmetricly set on 2 two sides inner wall of exhaust fume collecting hood, passes through multiple groups edge between the elastic component
Vertical evenly arranged pulling force component is connected with each other, and generally at least three groups.Elastic component described in every group includes two mutually flat
Capable upright bar 9, outer one is directly anchored on the inner wall of 2 side of exhaust fume collecting hood in two upright bars 9, between two upright bars 9
Even to be provided with three Return springs vertically arranged 10, the both ends of the Return spring 10 are affixed with two upright bars 9 respectively.Institute
Stating pulling force component includes nylon bracing wire 11 and the pressure sensor 12 for being fixed at 11 both ends of nylon bracing wire, the pressure sensing
Device 12 is fixed in upright bar 9, and the pull force calculation end of pressure sensor 12 and nylon bracing wire 11 are affixed.The pressure sensing
Device 12 and controller 5 are electrically connected, to 5 feedback signal of controller.
This detection structure is during use, inner in four upright bars 9 of two groups of elastic components under normal condition
Common drawing of two upright bars 9 under tension component and Return spring 10, the pressure that each pressure sensor 12 detects at this time
Force value is identical, and maintains a lesser value.When entering flame in exhaust fume collecting hood 2, and when flame reaches certain level, such as
Shown in Fig. 6, nylon bracing wire 11 is blown by flame.At this point, the pressure sensor 12 at 11 both ends of nylon bracing wire being blown detects
Pressure value zero, and pressure value that remaining pressure sensor 12 detects increases.Certain flame is bigger, the nylon being blown
The quantity of bracing wire 11 increases, and the quantity of the pressure sensor 12 of pressure value zero is more, and remaining pressure sensor 12 detects
The pressure arrived is bigger.Controller 5 judges the size of flame accordingly after receiving signal, when reaching certain threshold range
When, controller 5 controls locking of the positioning mechanism releasing to movable plate 4, and movable plate 4 rotates down closing smoke inlet 3.
On this basis, the present invention can also be further improved, and the movable plate 4 is provided on one side towards smoke inlet 3
Cushion rubber bumper 14, cushion rubber bumper 14 are made of the flexible rubber with high compression amount, it is ensured that movable plate 4 is attaching smoke inlet 3
When, closing smoke inlet 3 that can be stable, while shock of the movable plate 4 to smoke inlet 3 can be buffered, the cushion rubber bumper 14
Surface is coated with oleophobic coating, convenient to clean to cushion rubber bumper 14.In addition, preferably way be also possible that it is described into cigarette
The edge of mouthful 3 sides is provided with a circle towards 2 front side protective edge 13 outstanding of exhaust fume collecting hood, thus cans be compared to and extends smoke inlet 3, make into
Top of the mouth 3 closer to burner 16.And movable plate 4 is directly born against on protective edge 13, realizes the sealing to smoke inlet 3,
Sealing effect is improved, the preferably trapezoidal mesa-shaped of protective edge 13 easily facilitates cleaning and wiping.