CN2921636Y

CN2921636Y - Blowing energy-saving environment protection range burner for large stove

Info

Publication number: CN2921636Y
Application number: CNU2006201153950U
Authority: CN
Inventors: 王永海
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-31
Filing date: 2006-05-31
Publication date: 2007-07-11
Anticipated expiration: 2016-05-31

Abstract

A blowing energy-saving environment protection range burner for large stove comprises a rotating fire head, a blower, a premixing chamber, a gas supply pipeline and a proximity switch. The output end of a power circuit is connected with a control circuit. The control circuit is connected with the motor of the blower through a driving circuit. The front end of the premixing chamber is communicated with the air inlet on the bottom of the rotating fire head through a connecting pipe. The rear of the premixing chamber is communicated with the gas supply pipeline. The tail end of the premixing chamber is connected with the air outlet of the blower. A flashboard is arranged on the air outlet of the blower. A valve is arranged on the gas supply pipeline. A handle is arranged on the valve stem of the valve. The upper end of the flashboard is connected with a draft line. The end of the draft line is winden on the rotary table fixedly connected with the valve stem. Both sides of the flashboard are provided with a reset spring. The proximity switch consists of an induction element and a displacement element, wherein, the induction element is connected with the output end of the power circuit in series, and the displacement element is arranged on the valve stem and interlocked with the valve stem. The utility model can realize linkage control of gas supply and air supply, and is convenient in operation, centralized and plump in flame, energy saving, gas saving and electricity saving.

Description

Large stove blowing-type energy-saving environment protection kitchen ranges burner

Technical field

The utility model relates to cooker burner, particularly the large stove burner.

Background technology

At present, most of restaurants, the hotel, the large stove burner that use in the enterprises and institutions dining room, the valve of its steam line and the switch of air blast are separate operation, can not link, the cook for saving combustion gas and electric energy, close the valve and the blower switch of steam line respectively when the cooking gap, when needing cooking again, open the valve and the blower switch of steam line again respectively, troublesome poeration, and, have the relatively simple for structure of burner swingfire head now, have only the swingfire dish in the swingfire head, do not have firing head, combustion gas is directly in the swingfire combustion of making an inventory, flame is concentrated full inadequately, and the thermal efficiency is low.

The utility model content

The purpose of this utility model provides a kind of large stove blowing-type energy-saving environment protection kitchen ranges burner, realizes air feed, air-supply interlock control, and easy to operate, flame is concentrated, full, energy-conservation, province's gas, power saving.

The purpose of this utility model is achieved in that a kind of large stove blowing-type energy-saving environment protection kitchen ranges burner, comprise the swingfire head, air blast, the premix chamber, steam line, near switch, power circuit, control circuit, drive circuit, the output of described power circuit is connected with control circuit, control circuit links through the motor of overdrive circuit and air blast, the front end in described premix chamber is communicated with through the air inlet of tube connector with swingfire head bottom, the rear portion in premix chamber is communicated with steam line, the tail end in described premix chamber is connected with the air outlet of air blast, on the air outlet of air blast flashboard is housed, on the described steam line valve is housed, on the valve rod of valve handle is housed, the upper end of described flashboard is connected with draught line, the end of this draught line is on the rotating disk that is fixed in valve rod, back-moving spring is equipped with in the both sides of described flashboard, describedly form by sensing element and displacement component near switch, described sensing element is serially connected on the output of power circuit, and described displacement component is contained on the valve rod and links with valve rod.

The swingfire head is a cylindrical shape, cup-shaped swingfire dish is housed in the inner chamber of swingfire head, space between this swingfire dish and the swingfire head forms annular air channel, a plurality of bar shaped puff prots are arranged on the sidewall of swingfire dish, the firing head of mushroom-shaped is housed in the inner chamber of swingfire dish, the bottom nozzle of firing head is communicated with described annular air channel, has pore on the dome of firing head.Sensing element is a tongue tube, and displacement component is a permanent-magnet block.The length of bar shaped puff prot is 0.5 centimetre to 4 centimetres, and the number of bar shaped puff prot is 20 to 50.

The utility model has following actively useful effect: when opening valve, permanent-magnet block is near tongue tube, it is closed after two reeds are magnetized in the tongue tube, connect power circuit, air blast begins air feed, during valve rod rotating opening valve, also drive dial rotation, pack up draught line, the flashboard of draught line pulling blower outlet rises flashboard.During valve-off, permanent-magnet block leaves tongue tube, the automatic disconnection that loses magnetism of two reeds causes power circuit to end in the tongue tube, and air blast is quit work, when valve rod rotates valve-off, the drive rotating disk returns, and discharges draught line, and flashboard is under the effect of back-moving spring, close blower outlet, thereby reach the effect of air feed, the integrated control of air-supply.The wind that air blast is sent enters the swingfire head with after combustion gas from steam line mixes in the premix chamber, it is full that the mushroom-shaped firing head in the swingfire head is concentrated flame, and firepower is strong, thermal efficiency height.

Description of drawings

Fig. 1 is the user mode schematic diagram of the utility model one embodiment;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the structural representation of cooker burner among Fig. 1;

Fig. 4 is the B-B cutaway view among Fig. 3;

Fig. 5 be among Fig. 3 valve handle revolve turn 90 degrees the back structural representation;

Fig. 6 is the C-C cutaway view of Fig. 5;

Fig. 7 is the enlarged drawing of swingfire head among Fig. 3;

Fig. 8 is the schematic diagram of the utility model power circuit;

Fig. 9 is the schematic diagram of the utility model control circuit;

Figure 10 is the schematic diagram of the utility model drive circuit.

The specific embodiment

1. swingfire 2. air blasts, 3. premix chambeies, 301. suction nozzles, 4. steam line

5. valve 501. valve rods 502. handles 503. valve balls 504. rotating disks

6. tube connector 7. elbows 8. flashboards 9. draught lines 10. tongue tubes

11. permanent-magnet block 12. supports 13. flexible pipes 14. supports 15. swingfire dishes

16. puff prot 17. annular air channels 18. firing heads 19. pores 20. glands

2 1. kitchen range, 22. kitchens range top, 23. cauldrons, 24. flues, 25. flue entrances, 26. control boxes

27. back-moving spring

Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the utility model is a kind of large stove blowing-type energy-saving environment protection kitchen ranges burner, be installed in the inside of kitchen range 21, on the kitchen range top 22 at kitchen range top cauldron 23 is housed, have flue 24 on the cauldron kitchen range top all around, flue entrance 25 is communicated with the passage of flame in the bottom of a pan.Burner of the present utility model comprises swingfire 1, air blast 2, premix chamber 3, steam line 4, near switch, valve 5 is housed on the steam line 4, valve 5 can adopt ball valve, please refer to Fig. 5, Fig. 6, handle 502 is equipped with on the top of the valve rod 501 of valve 5, the bottom of valve rod 501 is connected with valve ball 503, and the top of valve rod 501 is connected with rotating disk 504.Swingfire 1 is installed in the centre of big pot bottom and apart from the bottom of a pan 50 millimeters.The front end in premix chamber 3 is communicated with the air inlet of swingfire 1 bottom through elbow 7, tube connector 6, the suction nozzle 301 at 3 rear portions, premix chamber is communicated with steam line 4, the tail end in premix chamber 3 is connected with the air outlet of air blast 2, flashboard 8 is housed on the air outlet of air blast 2, the upper end of flashboard 8 is connected with draught line 9, and the end of this draught line 9 is on the rotating disk 504 that is fixed in valve rod 501.Back-moving spring 27 is equipped with as shown in Figure 4 in the both sides of flashboard 8.Be made up of sensing element and displacement component near switch, sensing element is a tongue tube 10, and displacement component is a permanent-magnet block 11.Tongue tube 10 is serially connected on the output of power circuit as shown in Figure 8, permanent-magnet block 11 be fixed on the valve rod 501 with the valve rod interlock as shown in Figure 6.

Please refer to Fig. 3, Fig. 6, when the handle 502 of valve 5 and steam line 4 are vertical, valve ball 503 is closed steam line 4, at this moment, distance between permanent-magnet block 11 and the tongue tube 10 is far away, two reeds in the tongue tube 10 do not contact, and tongue tube 10 is in cut-off state, disconnects between the output of power circuit and the control circuit.

Please refer to Fig. 8, power circuit is made of five terminal integrated voltage stabilizer W200, and the output voltage of W200 type regulator block is adjustable continuously in 2.85～36 volts scope, the load current of exportable 3 peaces.Overcurrent, overheated and adjustment pipe safety operation area holding circuit are arranged in the W200 regulator block chip, safe and reliable.The output voltage of power circuit determines that by sample resistance R22, potentiometer R23 during with potentiometer R23 set to zero, output voltage is 2.75 volts; When potentiometer is transferred to 10 kilo-ohms of maximums; Output voltage is about 36 volts.So the output voltage of this power supply is continuous in 2.8～36 volts scope.The output of power circuit is connected with control circuit, and control circuit links through the motor of overdrive circuit and air blast.Power circuit, control circuit, drive circuit all are contained in the electrical equipment box 26.

Please refer to Fig. 5, Fig. 6, Fig. 8, after the handle 502 of valve rotates 90 degree, valve ball 503 is opened steam line 4, steam line 4 beginnings are to swingfire 1 air feed, at this moment, permanent-magnet block 11 is in handle 502 rotation processes, close to tongue tube 10, when the distance between permanent-magnet block 11 and the tongue tube 10 during less than critical distance, two reeds in the tongue tube 10 are magnetized in the magnetic field that acts on the tongue tube 10, and two reeds are opposite near end polarity, the contact of attracting each other, tongue tube is in conducting state, connects thereby make between the output of power circuit and the control circuit.

Please refer to Fig. 3, Fig. 4, Fig. 5, Fig. 6, when changeover valve handle 502 is opened valve, the rotating disk 504 that is fixed on the valve rod 501 rotates with valve rod 501, pack up draught line 9, the flashboard 8 of draught line 9 pulling blower outlets, the elastic force that makes flashboard 8 overcome back-moving spring 27 rises, and opens the air outlet of air blast 2.The outside of draught line 9 is with flexible pipe 13, and the two ends of flexible pipe 13 is supported by

support

12,14 respectively, and support 12 is packed in the top of the air outlet of air blast 2, support 14 be packed in valve 5 near.When counter clockwise direction changeover valve handle 502 valve-offs, the rotating disk revolution discharges draught line 9, and flashboard 8 falls after rise under the effect of back-moving spring 27, closes the air outlet of air blast 2.At the middle part of flashboard 8 aperture 801 is arranged, make flashboard 8 when closing, still keep certain natural ventilation rate.

Please refer to Fig. 7, swingfire 1 is a cylindrical shape, in the inner chamber of swingfire 1 cup-shaped swingfire dish 15 is housed, space between the outer wall of swingfire dish 15 and swingfire 1 inwall forms annular air channel 17, a plurality of bar shaped puff prots 16 are arranged on the sidewall of swingfire dish 15, the firing head 18 of mushroom-shaped is housed in the inner chamber of swingfire dish 15, and the bottom nozzle of firing head 18 is communicated with described annular air channel 17, has pore 19 on the dome of firing head 18.Annular air channel 17 communicates with the air inlet of swingfire 1 bottom.The length of bar shaped puff prot 16 is 0.5 centimetre to 4 centimetres, and the number of bar shaped puff prot 16 is 20 to 50.The top of swingfire dish 15 is by the gland 20 of screw connection annular, and the edge of this gland 20 is taken in the cannelure that is placed on swingfire 1 top.

Please refer to Fig. 9, Figure 10, in the present embodiment, control circuit adopts the single-chip microcomputer U1 of AT89C4051 model, and AT89C4051 is 8 single-chip microcomputers of high-performance that atmel corp produces.The motor M1 of air blast 2 is a brushless direct current motor, this brushless direct current motor has three be connected in the form of star-connection winding A1, B1, C1, drive circuit is made up of three identical bridge joint servo circuits of structure, and each bridge joint servo circuit is made of a triode, a P-channel field-effect transistor (PEFT) pipe, a N channel field-effect pipe.Three outputs of three bridge joint servo circuits are connected with three winding A1, B1, C1 respectively, and six input PA, NA of three bridge joint servo circuits, PB, NB, PC, NC are connected with six two-way input/output port P1.1, P1.5, P1.3, P1.4, P1.2, the P1.6 of single-chip microcomputer U1 respectively; Position sensor H in the two-way input/output port P3.7 of single-chip microcomputer U1 and the motor M1 is connected, the induced voltage detection phase sequence when position sensor H utilizes motor to rotate.Position sensor H sends into detected phase sequence among the single-chip microcomputer U1 by port P3.7.The output of three-terminal regulator block U3 is connected with the feeder ear pin 20 of single-chip microcomputer U1, the model of three-terminal regulator block U3 can be 7805, the air quantity adjusting knob is a potentiometer R9, is connected with the interrupt requests input INT0 of single-chip microcomputer U1, for it provides the pulse wide modulation signal.Speed-regulating signal is the voltage division signal from potentiometer R9, resistance R 5 be connected between the input and earth potential of three-terminal regulator block U3 after resistance R 7 is connected, the in-phase input end of comparator U2 is connected on the contact between resistance R 5 and the resistance R 7, the reference voltage of the inverting input of comparator U2 is provided by the dividing potential drop between resistance R 6, the R8, and the output of comparator U2 is connected with the external interrupt input INT1 of single-chip microcomputer U1.The pin 4,5 of single-chip microcomputer U1 meets 8M crystal Y1, and 10 pin, 20 pin are respectively earth potential and power supply.12 to 18 pin connect each brachium pontis control end of motor drive circuit respectively.11 pin obtain the phase sequence of motor M1; 1 pin of single-chip microcomputer U1 is the electrification reset pin, and 2 pin are gauge taps, control motor M1 start and stop.The input PA of motor drive circuit, NA, PB, NB, PC, NC accept the control signal of single-chip microcomputer U1.The order that the control signal follow procedure is set, and the result who detects according to phase sequence, by single chip computer AT 89C4051 each brachium pontis of conducting in turn that sends instructions, the sense of current in the switching motor M1 winding forms rotating excitation field, makes motor M1 rotation.In the foregoing description, near switch is magnet controlled, near switch also can be other form, and as inductance type or condenser type, above-mentioned sensing element can be an inductance type oscillating circuit or condenser type oscillating circuit, above-mentioned displacement component can be a lamellule, when lamellule when the oscillating circuit, change original parameter in the circuit, as inductance value or capacitance, thereby the blocking of oscillator of making or starting of oscillation, circuit output signal changes.

Claims

1. large stove blowing-type energy-saving environment protection kitchen ranges burner, comprise swingfire head, air blast, premix chamber, steam line, near switch, power circuit, control circuit, drive circuit, the output of described power circuit is connected with control circuit, control circuit links through the motor of overdrive circuit and air blast, it is characterized in that:

The front end in described premix chamber is communicated with through the air inlet of tube connector with swingfire head bottom, the rear portion in premix chamber is communicated with steam line, the tail end in described premix chamber is connected with the air outlet of air blast, on the air outlet of air blast flashboard is housed, on the described steam line valve is housed, on the valve rod of valve handle is housed, the upper end of described flashboard is connected with draught line, the end of this draught line is on the rotating disk that is fixed in valve rod, back-moving spring is equipped with in the both sides of described flashboard, describedly be made up of sensing element and displacement component near switch, described sensing element is serially connected on the output of power circuit, and described displacement component is contained on the valve rod and links with valve rod.

2. large stove blowing-type energy-saving environment protection kitchen ranges burner as claimed in claim 1, it is characterized in that: described swingfire head is a cylindrical shape, cup-shaped swingfire dish is housed in the inner chamber of swingfire head, space between this swingfire dish and the swingfire head forms annular air channel, a plurality of bar shaped puff prots are arranged on the sidewall of swingfire dish, the firing head of mushroom-shaped is housed in the inner chamber of swingfire dish, and the bottom nozzle of firing head is communicated with described annular air channel, has pore on the dome of firing head.

3. large stove blowing-type energy-saving environment protection kitchen ranges burner as claimed in claim 1, it is characterized in that: described sensing element is a tongue tube, displacement component is a permanent-magnet block.

4. large stove blowing-type energy-saving environment protection kitchen ranges burner as claimed in claim 2 is characterized in that: the length of described bar shaped puff prot is 0.5 centimetre to 4 centimetres, and the number of bar shaped puff prot is 20 to 50.