CN110375092A - A kind of gas distribution device and the gas heater using the device - Google Patents
A kind of gas distribution device and the gas heater using the device Download PDFInfo
- Publication number
- CN110375092A CN110375092A CN201910565611.3A CN201910565611A CN110375092A CN 110375092 A CN110375092 A CN 110375092A CN 201910565611 A CN201910565611 A CN 201910565611A CN 110375092 A CN110375092 A CN 110375092A
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- Prior art keywords
- rotating cylinder
- gear ring
- nozzle
- strip
- distribution device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0856—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The present invention relates to the gas heaters of a kind of gas distribution device and the application device, wherein gas distribution device includes shell, rotating cylinder and step drive mechanism, shell is equipped with the first air inlet and nozzle, rotating cylinder and step drive mechanism constitute the plugging mechanism for blocking nozzle, rotating cylinder is located in the inner cavity of shell and axially extending along the spaced direction of nozzle, at least two are equipped on cylinder sidewall, and along rotating cylinder, axially spaced apart strip through-hole, each strip through-hole circumferentially extend along rotating cylinder and correspond to a nozzle；Step drive mechanism driving rotating cylinder rotates stepwise, so that the strip through-hole made intermittently turns at corresponding nozzle.The present invention passes through setting rotating cylinder, strip through-hole is opened up on rotating cylinder, the corresponding strip through-hole of each nozzle, with the connection corresponding with strip through-hole of the nozzle of the rotation of rotating cylinder, different location and different number, nozzle is disposably opened multiple, without opening one by one, gas flow regulative mode is convenient and efficient and flexible.
Description
Technical field
The invention belongs to the fluid heater technical fields with heat-generating device, and in particular to a kind of gas distribution device
And the gas heater using the device.
Background technique
There is a defect in gas heater or wall-hung boiler, i.e., in summer in use, even if combustion gas is adjusted in use
Minimum air demand, when shower, still feel that water temperature overheats, and will appear not hot enough the phenomenon of water temperature to winter.To solve aforementioned ask
Topic, many manufacturers use gas distributor (also known as combustion gas sectionaliser or front tube), i.e., using on control valve control gas-distributing pipe
Different spray nozzles fire row burning, to reach the size of water heater combusting firepower, improve the adaptation range of water heater.
Chinese utility model patent such as Patent No. ZL201721254505.6 (notification number CN207196901U) is public
Shown in " a kind of gas heater " opened, fire row is made of the first fire row group, the second fire row group and third fire row group, the first fire row
Group and third fire row group are connect by the first combustion gas branch pipe with gas ratio valve, and the second fire row group passes through the second combustion gas branch pipe and combustion
The connection of gas proportioning valve, the first combustion gas branch pipe and the second combustion gas branch pipe are to be connected in parallel, and be respectively equipped with second solenoid valve and third
Solenoid valve, third fire row group are controlled by the 4th solenoid valve.
It is few (i.e. it is few to adjust class for firepower) that above-mentioned patent has the disadvantage that the adjustable number of segment of combusting firepower, and adjusts
The gradient of section is too big, not accurate enough to the control of gas flow, is still easy to appear minimum water temperature over-high or highest water temperature is too low
The phenomenon that, it is difficult to the problem of meeting areal variation, calendar variation, the individual difference of people, influence the usage comfort of user；Separately
Outside, solenoid valve volume is big, at high cost, it is contemplated that the inner space of water heater and cost problem, existing gas flow distribution dress
It sets and also needs further improvement.
In view of the above-mentioned problems, the Chinese invention of Patent No. ZL201810676132.4 (Publication No. CN108758628A)
" burner and the firepower Automatic adjustment method " of patent disclosure, burner include flow distributing system and combustion system, the stream
Amount distribution system include combustion gas supervisor, the piston being set in combustion gas supervisor, one end connect with the piston screw rod,
The driven angular wheel engaged with the screw rod, the active angular wheel and driving active conical tooth that are engaged with driven angular wheel
The servo motor of rotation is taken turns, the combustion gas supervisor is pipeline configuration, is provided with multiple nozzles, the nozzle on the combustion gas supervisor
Center is provided with hole, and it is inlet end that one end is responsible in the combustion gas, and combustion gas supervisor's other end is equipped with driven angular wheel, described driven
Angular wheel center is equipped with internal screw thread and matches with the external screw thread of screw rod, and the screw rod can be responsible for along combustion gas and move axially.
The displacement of piston depends on the angle of servo motor rotation in the patent, there is linear ratio relation between the two,
The displacement of piston determines the nozzle quantity for participating in burning, the size of gas flow is also just determined, so that combusting firepower is adjustable
The number of segment of section is more, regulating gradient is small, keeps lower water temperature range finer, and precisely, water heater can be according to specific for gas flow control
Situation adjusts the nozzle quantity for participating in burning, avoids water temperature over-high or too low phenomenon, provides more more options for user.
But the patent opens nozzle by the translation of piston in order from right to left, i.e. nozzle can only play on or off one by one
Close, and cannot disposably open or close it is multiple, it is so inflexible to the adjusting of gas flow and convenient and efficient；In addition, because
The opening of different spray nozzles quantity is realized by the translation of a piston, is located to prevent combustion gas from entering from piston or sealing ring
The outer wall of the nozzle on the piston left side, piston or sealing ring need to be seamless between the inner wall of combustion gas supervisor, and the tune of gas flow
Section can only realize that piston or sealing ring are easy to wear, and leakproofness is caused to be deteriorated by the movement of a piston；In addition be so that
Piston or sealing ring movement are smooth, it will usually the coating lubricating oil rouge on piston and sealing ring, but grease is easy plug nozzle；And
And if piston is worn and loses plugging action, the gas flow of whole device adjusts failure.
In addition, the driving method that motor-driven gear finally drives screw rod mobile, movement of this kind of driving method to screw rod
The control of stroke is not accurate enough, leads to that nozzle, and the higher cost of motor can not accurately be blocked.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of energy flexible modulation for the above-mentioned prior art
The quantity of the nozzle opened or closed and the gas distribution device of position.
Second technical problem to be solved by this invention is to provide one kind by a set of drive for the above-mentioned prior art
Motivation structure is the gas distribution device that can control the nozzle quantity for participating in burning.
Third technical problem to be solved by this invention is to provide a kind of driving mechanism pair for the above-mentioned prior art
The shift motion of plugging mechanism controls accurate gas distribution device.
4th technical problem to be solved by this invention is to provide a kind of driving mechanism for the above-mentioned prior art and exist
Spatially reasonable layout, the gas distribution device to occupy little space.
5th technical problem to be solved by this invention is to provide a kind of energy flexible modulation for the above-mentioned prior art
The quantity of the nozzle opened or closed and the gas heater using above-mentioned gas distribution device of position.
To solve above-mentioned first and second technical problem, the technical solution adopted by the present invention are as follows: a kind of combustion gas distribution
Device, including
Shell has hollow inner cavity, and at least one first air inlet entered for combustion gas is equipped on the first side wall
Mouthful, at least two spaced nozzles, which are equipped with, in second sidewall flows out for combustion gas；
Plugging mechanism, for blocking the nozzle；
It is characterized in that, the plugging mechanism includes
Rotating cylinder, in the inner cavity of the shell, and it is axially extending along the spaced direction of the nozzle, and described turn
The outer peripheral surface of cylinder and the second sidewall of the shell remain contact condition, and remain with the first side wall of the shell
There is interval；Also, at least two are equipped on cylinder sidewall along the axial spaced apart strip through-hole of rotating cylinder, each bar shaped
Through-hole circumferentially extends along rotating cylinder and corresponds to a nozzle；
Step drive mechanism acts on the rotating cylinder, and driving rotating cylinder rotates stepwise, to make the strip through-hole
It intermittently turns at corresponding nozzle.
To solve above-mentioned third technical problem, the technical solution adopted by the present invention are as follows: the step drive mechanism packet
The driving assembly set on rotating cylinder one end is included, the axially opposed rotating cylinder successively includes from far near:
Fixed gear ring, the relatively shell are fixed, and are serrated towards the first end face of rotating cylinder, each sawtooth includes
Axial flat segments and with it is axial be in oblique section of angle,
Movable gear ring, in the fixed gear ring, the first end face towards rotating cylinder is wavy in what is risen and fallen, and energy
Relatively fixed gear ring axial movement,
Rotational Cylindrical, first end is located in the rotating cylinder and periphery is provided with double wedge, and the inner peripheral surface of the rotating cylinder is right
It should locate, the tooth socket that corresponding double wedge moves axially therein can be held by being equipped with, and the second end of Rotational Cylindrical is stretched out except the rotating cylinder
And periphery sets spaced convex block, the end face of the convex block is inclined-plane, and can be with the first end face and fixation tooth of the movable gear ring
The first end face of circle is in contact and makes Rotational Cylindrical that rotating cylinder be driven to rotate；
The step drive mechanism further includes having:
Actuated piece acts on the movable gear ring, keeps movable gear ring mobile towards the direction close to or far from the rotating cylinder；
Elastic component acts in the Rotational Cylindrical and makes Rotational Cylindrical always and have towards the side far from or close to the rotating cylinder
To mobile trend.
Step drive mechanism driving rotating cylinder intermittently rotates, more accurate to the control of drum rotation angle, improves envelope
The block reliability of stifled mechanism.The step drive mechanism can also simply use stepper motor and corresponding speed reducer
Structure, but the step drive mechanism relative to the application, at high cost and volume are big.
To solve above-mentioned 4th technical problem, the technical solution adopted by the present invention are as follows: using electromagnet as actuated piece,
Electromagnet is set to the first end of the rotating cylinder, and driving assembly is set to the second end of rotating cylinder, and the movable gear ring can be by described
Electromagnet attracts towards close to the movement of the direction of the rotating cylinder, and the elastic component is compressed spring, and the rotating cylinder is arranged in
Interior, making the Rotational Cylindrical always has the trend mobile towards the direction far from the rotating cylinder.
The actuated piece is intended to the intermittent drive to movable gear ring, can simply use cam mechanism, but preferably
Ground is electromagnet, is advantageous in that: electromagnet is spaced apart can to act on movable gear ring by magnetic fields, because
And be more convenient for setting up separately with driving assembly rotating cylinder both ends, and this mode is minimum to the restriction of rotating cylinder this body structure, space peace
On row also more rationally, it occupies little space.
In order to enable movable gear ring can move under electromagnet effect, the movable gear ring be paramagnetic material or/and
Its center is connected with the paramagnetism connecting rod for axially extending in the rotating cylinder and stretching to the magnet spool center.
Setting connecting rod is advantageous in that: preventing from because of movable gear ring and electromagnet distance farther out, causing movable gear ring cannot effective quilt
Electromagnet is adsorbed and is moved, therefore is moved by adsorbing connecting rod by electromagnet, and then connecting rod drive activity gear ring is mobile.
In addition, the hollow structure of rotating cylinder is utilized in the connecting rod, not only strengthens and movable gear ring magnetic has been acted on, but also do not needed
To rotating cylinder, this body structure has other additional qualifications.
The first end face of the activity gear ring refers to there is rising slope surface and decline slope surface in the wavy of fluctuating, in order to make to turn
The convex block of dynamic column more smoothly slides in slope surface and reduces abrasion, rises slope surface and declines wave crest, wave of the slope surface in junction
Paddy can be the shape of smooth transition；But for the convenience in manufacture, rises slope surface and decline slope surface is also possible in junction
Point to making the first end face of movable gear ring be serrated on the whole, each sawtooth by relatively axially inclined second tiltedly
It is constituted to oblique section of section and third, wherein only first oblique section of second oblique section of inclined direction of movable gear ring and fixed gear ring
Unanimously, and radially the flat segments of fixed gear ring described in side view are intersected with second oblique section of formation of corresponding movable gear ring, from
And sliding that convex block is smoothly through on second through movable gear ring oblique section and be transitioned into the of fixed gear ring
Continue to slide on one oblique section, so that entire Rotational Cylindrical be made to rotate.
In order to guarantee convex block when along rotating for first oblique section, can the gear ring of promotion activity simultaneously it is synchronous towards far from rotating cylinder
Direction is mobile, the inclined-plane inclined direction of the convex block end face and first oblique section of consistent, end on inclined-plane of the fixed gear ring
For the shape of rounding off, and convex block has enough thickness radially with can be with second oblique section of the movable gear ring
Or oblique section of third inconsistent, and can be inconsistent with oblique section of fixed gear ring.The end on convex block inclined-plane is the shape of rounding off
Shape is moved on oblique section of third convenient for convex block from the trough of the wave of movable gear ring.
The relatively fixed gear ring of movable gear ring relatively rotates in order to prevent, and the outer wall of the activity gear ring is equipped with axial prolong
The guide pad stretched, and the inner wall of fixed gear ring then has can hold the guide pad in the guide groove wherein slided, to realize work
The axial movement of the relatively fixed gear ring of movable tooth circle.Because guide pad and guide groove are axially extending, therefore movable gear ring phase was both ensure that
Fixed gear ring is moved axially, and the relative rotation of the two can be prevented.
In order to enable the nozzle quantity being opened can generate variation during drum rotation, all strip through-holes are risen
Beginning is located on the same straight line parallel with shaft axis, and the length of strip through-hole described at least two of which is different, such as
, with the rotation of rotating cylinder, the strip through-hole for having different number turns at corresponding nozzle, clever to the adjusting of gas flow for this
It is living, the nozzle of different location and different number can be opened.
In order to enable angle of its primary rotation of rotating cylinder movement is to be able to achieve nozzle to be opened the change of quantity, different length
Strip through-hole between the difference of arc length and the stepping rotational angle of rotating cylinder be positively correlated, the movement of such rotating cylinder is primary, that is, has not
Strip through-hole with quantity turns at corresponding nozzle.
To solve above-mentioned 5th technical problem, the technical solution adopted by the present invention are as follows: a kind of above-mentioned combustion gas distribution of application
The gas heater of device, it is characterised in that: the gas heater further includes burner and for controlling gas intake
Valve group, the burner are connected with nozzle, and the valve group is connected with the first air inlet.
Compared with prior art, advantages of the present invention: 1, it is logical to open up bar shaped by setting rotating cylinder on rotating cylinder by the present invention
Hole, the corresponding strip through-hole of each nozzle, with the nozzle and strip through-hole of the rotation of rotating cylinder, different location and different number
Corresponding connection, enables nozzle to be disposably opened multiple, without opening one by one, gas flow regulative mode it is convenient and efficient and
Flexibly；2, because of the corresponding strip through-hole of each nozzle, when nozzle strip through-hole corresponding with this is staggered, then the nozzle quilt
Cylinder sidewall blocks, that is, the control unit (side wall of strip through-hole and rotating cylinder) for controlling each nozzle opening and closing is independent from each other, i.e.,
Make wherein have a control unit working performance decline, other control units can still work normally, the adjusting to gas flow
It can still provide for, serious forgiveness is high；3, the present invention is able to achieve by opening up strip through-hole corresponding with nozzle on cylinder sidewall
The adjusting of multistage gas flow, structure is simple, production easy to process, and no other transition parts of centre avoid middle transition
Part failure and influence gas flow adjusting hidden danger, improve the functional reliability of the gas distribution device；4, the present invention adopts
It is acted on rotating cylinder with step drive mechanism, the nozzle number of burning is participated in by the change in location control of the strip through-hole on rotating cylinder
Amount, i.e., can be to gas flow progress multistage adjusting by a set of driving mechanism, and it is few to be related to component, reduces cost, and account for
Space is also small；5, the angle of rotation of rotating cylinder is controlled by the way of be diagonally arranged using convex block oblique section of driving assembly is mobile
Degree, improves the accuracy of the rotational angle of rotating cylinder, so that the shift motion of strip through-hole is accurate, guarantees that strip through-hole is moved to
The reliability for blocking or opening nozzle is improved in position；6, step drive mechanism of the invention is cooperated using electromagnet and driving assembly
Structure, because electromagnet be spaced apart can act on movable gear ring by magnetic fields, thus be more convenient for drive
Dynamic component set up separately rotating cylinder both ends, and this mode is minimum to the restriction of rotating cylinder this body structure, on arrangement space also more rationally,
It occupies little space.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the cross-sectional view of the other direction of Fig. 1；
Fig. 4 is the decomposition diagram for removing shell of Fig. 1；
Fig. 5 is the structural schematic diagram of fixed gear ring in Fig. 4, movable gear ring and connecting rod；
Fig. 6 is the decomposition diagram of Fig. 5；
Fig. 7 is the decomposition diagram of the movable gear ring and Rotational Cylindrical in Fig. 4；
Fig. 8 is the structural schematic diagram of the rotating cylinder in Fig. 4；
Fig. 9 is the status diagram (electromagnet power-off) of the electromagnet and driving assembly in Fig. 4；
Figure 10 is that (electromagnet is powered and movable gear ring extremely limits for the status diagram of the electromagnet and driving assembly in Fig. 4
Position)；
Figure 11 is the status diagram of the electromagnet and driving assembly in Fig. 4 (electromagnet power-off and Rotational Cylindrical resets)；
Figure 12 be Fig. 4 in electromagnet and driving assembly status diagram (electromagnet power-off and Rotational Cylindrical resetted
At)；
Figure 13 is that the gas distribution device of the present embodiment is applied to the structural schematic diagram of gas heater.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in figure 13, the gas distribution device 10 of this preferred embodiment can be used for gas heater or burnt gas wall hanging furnace
In, for the present embodiment by taking gas heater as an example, gas heater includes burner 101, gas distribution device 10 and control combustion
The combustion gas valve group 102 of gas air inflow.
As shown in figs. 1-13, gas distribution device 10 includes shell 1, rotating cylinder 3 and step drive mechanism, during shell 1 has
Empty inner cavity 1a is equipped with first air inlet 11 entered for combustion gas, combustion gas valve group 102 on the first side wall 1b of shell 1
It is connected with first air inlet 11, certain first air inlet 11 may be multiple.Along a left side on the second sidewall 1c of shell 1
Right direction is equipped at least two spaced nozzles 12, and former nozzle 12 flows out for combustion gas and is connected with burner 101.This
In embodiment, the first side wall 1b is the bottom wall of shell 1, and second sidewall 1c is the front side wall of shell 1.
Rotating cylinder 3 and step drive mechanism constitute the plugging mechanism for blocking nozzle 12, and as shown in Figure 2,3, rotating cylinder 3 is set to
In the inner cavity 1a of shell 1, the interval setting direction along nozzle 12 is axially extending, the outer peripheral surface of rotating cylinder 3 and the second sidewall of shell 1
1c remains contact condition, thus make rotating cylinder 3 always can contact nozzle 12, rotating cylinder 3 and the first side wall 1b of shell 1 are protected always
Hold interval, blocks the first air inlet 11 to prevent rotation stop cylinder 3 and combustion gas is hindered to flow into shell 1.
As shown in Fig. 2~4, Fig. 8, it is equipped at least two on 3 side wall of rotating cylinder and leads to along the bar shaped that 3 axially spaced-apart of rotating cylinder is arranged
Hole 32, each strip through-hole 32 are circumferentially extended along rotating cylinder 3, the corresponding nozzle 12 of each strip through-hole 32, in stepper drive machine
Under the action of structure, rotating cylinder 3 is stepwise around own axis, so that strip through-hole 32 be made intermittently to turn to corresponding nozzle 12
Place, has at least one strip through-hole 32 to be connected with the first air inlet 11, always preferably to prevent no combustion gas from entering rotating cylinder 3
It is interior.
In the state that strip through-hole 32 is turned to and is staggered with corresponding nozzle 12, then the nozzle 12 is sealed by the side wall of rotating cylinder 3
Stifled, combustion gas can not flow out shell from nozzle 12；In the state that strip through-hole 32 is turned to and is connected to corresponding nozzle 12, then should
Nozzle 12 is connected with the chamber of rotating cylinder 3, and combustion gas into the chamber of rotating cylinder 3, then passes through again from after the entrance of the first air inlet 11
Strip through-hole 32 and corresponding nozzle 12 flow out, and fuel gas flow route is as shown in the hollow arrow in Fig. 3.
The starting point of all strip through-holes 32 is located on the same straight line parallel with 3 axis of rotating cylinder, at least two of which item
The length of shape through-hole 32 is different, and the stepping rotational angle of the difference of the arc length between the strip through-hole 32 of different length and rotating cylinder 3 is just
Correlation, so that the strip through-hole 32 of different number turns at corresponding nozzle 12 when rotating cylinder 3 rotates different angle, and
The strip through-hole 32 of different length can according to need along the axial distribution of rotating cylinder 3, to block the spray of different number and different location
Mouth 12, if rotating cylinder 3 rotates 60 °, 4 nozzles are opened, and rotating cylinder 3 rotates 120 °, and 6 nozzles are opened.In the present embodiment, phase
The difference of arc length between adjacent two strip through-holes 32 is 1/6th circumferences, because of once 60 ° of the rotation of rotating cylinder 3, i.e., 1/6th circles
Perimeter.Otherwise, it may be necessary to which 4 power on/off of electromagnet two or more times, is just able to achieve the change that nozzle 12 opens quantity.
The working principle of the gas distribution device of the present embodiment is as follows:
When gas heater wants out of service, it is not corresponding with nozzle 12 that driving rotating cylinder 3 turns to all strip through-holes 32
Position, the side wall of rotating cylinder 3 blocks all nozzles 12 at this time.
When gas heater needs peak load to run, it is right with nozzle 12 that driving rotating cylinder 3 turns to all strip through-holes 32
The position answered, all gas nozzles 12 can spray combustion gas at this time.
When gas heater load variations, driving rotating cylinder 3 turns to the position corresponding with nozzle 12 of part strip through-hole 32
It sets, portion nozzle 12 has combustion gas stream to pass through at this time, and another part nozzle 12 is by the sidewall-masked of rotating cylinder 3.
Rotating cylinder 3 rotates a circle, and guarantee can be such that gas nozzle 12 closes from all to all openings, and rotating cylinder 3 is clockwise
Nozzle 12 opens increased number when rotation or counterclockwise rotation.In other words, by revolving drum 3, change strip through-hole on rotating cylinder 3
32 quantity being aligned with nozzle 12 flow out the device gas flow size to change.
As shown in Fig. 2, Fig. 4~7, in the present embodiment, step drive mechanism includes driving assembly 5, actuated piece and elastic component
54, in the present embodiment, actuated piece is electromagnet 4, and electromagnet 4 is set to the first end 3a of rotating cylinder 3, and driving assembly 5, which is set to, to be turned
The second end 3b of cylinder 3, and electromagnet 4 is located at the outside of shell 1, driving assembly 5 is located in shell 1.
Wherein driving assembly 5 includes that fixed gear ring 51, movable gear ring 52 and Rotational Cylindrical 53, fixed gear ring 51 are fixed at shell
In body 1, the first end face of fixed gear ring 51 towards rotating cylinder 3 is serrated, and each sawtooth includes axial flat segments 512 and and axis
To being in first oblique section 511 of angle, the flat segments 512 of each sawtooth connect first oblique section of 511 eminence side and the phase of the sawtooth
First oblique section of 511 lower side of adjacent sawtooth.In the present embodiment, each first oblique section 511 along the circumferential up time of fixed gear ring 51
Needle is obliquely extended (with Fig. 5 overlook direction).
Movable gear ring 52 is set in fixed gear ring 51 and can fix the axial movement of gear ring 51, the outer wall of movable gear ring 52 relatively
Equipped with axially extending guide pad 523, and the inner wall of fixed gear ring 51 then has and can hold the guide pad 523 and wherein sliding
Guide groove 513, the guide groove 513 is axially extending, so that realization activity gear ring 52 can fix the axial movement of gear ring 51, activity relatively
Gear ring 52 cannot fix relatively gear ring 51 and circumferentially rotate.
The first end face of movable gear ring 52 towards rotating cylinder 3 is in the zigzag to rise and fall, and each sawtooth is by relatively axially inclined
Second oblique section 521 and oblique section 522 of third composition, wherein only second oblique section of 521 inclined direction and fixed gear ring 51
First oblique section 511 consistent, and the radially flat segments 512 of side view fixed gear ring 51 and corresponding activity gear ring 52 is second oblique
It is formed and is intersected to section 521.In the present embodiment, each second oblique section 521 is circumferentially obliquely extended clockwise (to scheme along movable gear ring 52
5 overlook directions).
Movable 52 center of gear ring is connected with the suitable of the coil center for axially extending in rotating cylinder 3 and stretching to electromagnet 4
Magnetic connecting rod 55, i.e. 55 first end of connecting rod and the center of movable gear ring 52 are fixedly linked, and second end passes through Rotational Cylindrical 53
With stretched to after rotating cylinder 3 electromagnet 4 coil center, and electromagnet 4 be equipped with limit 55 shift motion of connecting rod locating part
41, when 55 second end of connecting rod offsets with locating part 41, connecting rod 55 is moved to limit position.After the energization of electromagnet 4, connection
Bar 55 is adsorbed and moved axially by electromagnet 4, so that drive activity gear ring 52 is mobile towards rotating cylinder 3.It is electric in movable gear ring 52
Magnet 4 adsorbs and is located in the state of limit position, and second oblique section 521 of eminence side is more leaned on relative to corresponding flat segments 512
Nearly rotating cylinder 3.
It is of course also possible to be not provided with the connecting rod 55, movable gear ring 52 is paramagnetic material, is directly adsorbed by electromagnet 4
It is mobile, but in this case, it, may be to the absorption meeting of movable gear ring 52 if electromagnet 4 is too far at a distance from movable gear ring 52
It is deteriorated；It is also possible that movable gear ring 52 and connecting rod 55 are paramagnetic material.
The first end of Rotational Cylindrical 53 is located in rotating cylinder 3 and periphery is provided with double wedge 532, and the inner peripheral surface of rotating cylinder 3 is in corresponding position
The tooth socket 31 that corresponding double wedge 532 moves axially therein can be held by being then equipped with, and such Rotational Cylindrical 53 can the opposite axial movement of rotating cylinder 3
And energy band turn cylinder 3 rotates, and in other words, with Rotational Cylindrical 53 axial linear movement does not occur for rotating cylinder 3, only rotated with Rotational Cylindrical 53,
And rotating cylinder 3 is consistent with 53 rotational angle of Rotational Cylindrical
The second end of Rotational Cylindrical 53 is stretched out except rotating cylinder 3, and 53 periphery of Rotational Cylindrical sets spaced convex block 531, convex block 531
Have radially enough thickness with can it is inconsistent with second oblique section 521 of movable gear ring 52 or oblique section of third 522 and
Can be 511 inconsistent with first oblique section of fixed gear ring 51, to make energy band when towards mobile far from 3 direction of rotating cylinder of Rotational Cylindrical 53
Turn cylinder 3 rotates, and energy promotion activity gear ring 52 is towards far from the movement of 3 direction of rotating cylinder.In addition, the convex block 531 with work
The end face that movable tooth circle 52 and fixed gear ring 51 are in contact is inclined-plane 531a, the of inclined-plane 531a inclined direction and fixed gear ring 51
One oblique section of 511 inclined direction is consistent, i.e. second oblique section of 521 inclined direction of inclined-plane 531a inclined direction and movable gear ring 52
Also consistent, so that the movement of convex block 531 is smooth, the end of inclined-plane 531a is the shape of rounding off, in order to which convex block 531 is from work
The lowest point of the sawtooth of movable tooth circle 52 is moved on oblique section 522 of third, so that promotion activity gear ring 52 is moved towards far from 3 direction of rotating cylinder
It is dynamic.
Rotational Cylindrical 53 has the trend mobile towards the direction far from rotating cylinder 3, the present embodiment always under the effect of elastic component 54
In, elastic component 54 is compressed spring and is arranged in rotating cylinder 3, boss 33 is convexly equipped on 3 inner wall of rotating cylinder, the both ends of spring are supported respectively
By the first end 1a and boss 33 of Rotational Cylindrical 53, and the material of elastic component 54 should be non magnetic (such as plastics), guarantee elastic component
54 will not be adsorbed by electromagnet 4 and be moved.
As shown in figs. 9 to 12, the course of work that the step drive mechanism of the present embodiment drives rotating cylinder 3 to rotate is specific as follows:
As shown in figure 9, under the effect of 54 elastic force of elastic component, the convex block 531 of Rotational Cylindrical 53 is pressed in fixed tooth when electromagnet 4 powers off
The lowest point (i.e. first oblique section 511 of lower side) of the sawtooth of circle 51；
When electromagnet 4 is powered, the connecting rod 55 being connected with movable gear ring 52 is by 4 magnetic absorption of electromagnet, to close to rotating cylinder 3
Direction is mobile (only move linearly and do not rotate), and (convex block 531 is along flat for the movable promotion of gear ring 52 53 synchronizing moving of Rotational Cylindrical
Straight section 512 is mobile)；In the state that connecting rod 55 is moved to limit position and electromagnet 4 is powered, movable gear ring 52 is no longer moved,
And second oblique section 521 of eminence side is relative to flat segments 512 closer to rotating cylinder 3 at this time, and the convex block 531 of Rotational Cylindrical 53 is in bullet
Property 54 elastic force of part effect lower edge activity gear ring 52 second oblique section 521 movement, because movable gear ring 52 is fixed, therefore Rotational Cylindrical
Simultaneously simultaneously fine rotation occurs for 53 axial movements, as shown in Figure 10；
As shown in figure 11, the first of fixed gear ring 51 is moved to along second oblique section 521 of movable gear ring 52 in convex block 531
After on oblique section 511, electromagnet 4 is powered off, and movable gear ring 52 loses the adsorption capacity of electromagnet 4, and it is oblique that convex block 531 is crushed on first
It is slided in section 511 and along first oblique section 511, Rotational Cylindrical 53 is moved axially and rotated simultaneously at this time, until Rotational Cylindrical 53
It is depressed into first oblique section 511 of lower side (as shown in figure 12)；And in the mistake that convex block 531 is moved along first oblique section 511
Cheng Zhong, the meeting of convex block 531 drive activity gear ring 52 due to continuing to move along oblique section 522 of second oblique section 521 or even third are opposite
Axial displacement occurs for fixed gear ring 51 (when convex block 531 is along second oblique section 521 sliding, tiltedly because of first oblique section 511 and second
It is identical to 521 inclined direction of section, therefore movable gear ring 52 is motionless, when convex block 531 is along oblique section 522 sliding of third, because third is oblique
To oblique section of 521 inclined directions of section 522 and second on the contrary, to 52 synchronous reset of promotion activity gear ring).
It is an action cycle from Fig. 9-Figure 12, i.e. electromagnet 4 a on-off realizes Rotational Cylindrical 53 and rotates once
(the present embodiment is designed as 60 °, there are six first oblique section 511), this operation can recycle progress, and the rotation of control Rotational Cylindrical 53 is not
Same angle.
In the embodiment above, actuated piece and driving assembly 5 are respectively at the both ends of rotating cylinder 3, but if using different actuatings
Part mode can also make the two positioned at the same end of rotating cylinder 3 or even actuated piece or be not limited to that the end of rotating cylinder 3 is arranged in,
As long as actuated piece, which meets, can act on the movable gear ring 52, make movable gear ring 52 towards the side close to or far from the rotating cylinder 3
To movement, and corresponding elastic component 54 then acts on the Rotational Cylindrical 53 and it is made to do opposite with movable gear ring 52 move
Make namely elastic component 54 makes Rotational Cylindrical 53 always with the trend mobile towards the direction far from or close to the rotating cylinder 3.
From the foregoing, it will be observed that make combusting firepower be adjustable number of segment more for the gas distribution device of the present embodiment, adjusted between each number of segment
Gradient is small, precision is high, to keep lower water temperature range finer, precisely, water heater can be as the case may be for gas flow control
The nozzle quantity for participating in burning is adjusted, water temperature over-high or too low phenomenon is avoided, provides more more options for user；And the combustion gas
Distributor effectively can solve the problems, such as the very low of lowest temperature lifting summer water is too boiling hot, save combustion gas；In addition, by setting
It sets a set of driving mechanism and is able to achieve the adjusting of multistage firepower, save enclosure interior space, reduce the control of multistage gas flow
Cost.
Claims (10)
1. a kind of gas distribution device, including
Shell (1), the shell (1) have hollow inner cavity (1a), and at least one confession is equipped on the first side wall (1b)
Combustion gas enters the first air inlet (11) of shell (1), and at least two spaced nozzles are equipped on second sidewall (1c)
(12) it is flowed out for combustion gas；
Plugging mechanism, for blocking the nozzle (12)；
It is characterized in that, the plugging mechanism includes
Rotating cylinder (3) is located in the inner cavity (1a) of the shell (1), and axially prolongs along the nozzle (12) spaced direction
Stretch, and the second sidewall (1c) of the outer peripheral surface of the rotating cylinder (3) and the shell (1) remains contact condition, and with it is described
Shell (1) the first side wall (1b) has remained interval；Also, at least two are equipped on rotating cylinder (3) side wall along shaft (3) axis
To spaced apart strip through-hole (32), each strip through-hole (32) circumferentially extends along rotating cylinder (3) and a corresponding nozzle
(12)；
Step drive mechanism acts on the rotating cylinder (3), and driving rotating cylinder (3) rotates stepwise, to keep the bar shaped logical
Hole (32) intermittently turns at corresponding nozzle (12).
2. gas distribution device according to claim 1, which is characterized in that the step drive mechanism includes being set to turn
The driving assembly (5) of cylinder (3) one end, the axially opposed rotating cylinder (3) successively includes from far near:
Fixed gear ring (51), the relatively shell (1) are fixed, are serrated towards the first end face of rotating cylinder (3), each saw
Tooth include axial flat segments (512) and with it is axial be in angle first oblique section (511),
Movable gear ring (52), in the fixed gear ring (51), the first end face towards rotating cylinder (3) is in the wave to rise and fall
Shape, and gear ring (51) axial movement can be fixed relatively,
Rotational Cylindrical (53), first end is located in the rotating cylinder (3) and periphery is provided with double wedge (532), the rotating cylinder (3)
Inner peripheral surface is then equipped with the tooth socket (31) that can hold corresponding double wedge (532) and wherein move axially in corresponding position, and the of Rotational Cylindrical (53)
Two ends are stretched out except the rotating cylinder (3) and periphery sets spaced convex block (531), and the end face of the convex block (531) is inclined-plane
(531a), and can be inconsistent with the first end face of the first end face of the movable gear ring (52) and fixed gear ring (51) respectively and make
Rotational Cylindrical (53) drives rotating cylinder (3) to rotate；
The step drive mechanism further includes having:
Actuated piece acts on the movable gear ring (52), makes movable gear ring (52) towards the side close to or far from the rotating cylinder (3)
To movement；
Elastic component (54) acts in the Rotational Cylindrical (53) so that Rotational Cylindrical (53) has always towards separate or close described
The mobile trend in the direction of rotating cylinder (3).
3. gas distribution device according to claim 2, which is characterized in that the actuated piece is electromagnet (4), is set to
The first end (3a) of the rotating cylinder (3), driving assembly (5) are set to the second end (3b) of rotating cylinder (3), the movable gear ring (52)
It can be attracted by the electromagnet (4) towards the direction movement close to the rotating cylinder (3), the elastic component (54) is compression bullet
Spring is arranged in the rotating cylinder (3), and making the Rotational Cylindrical (53) always has towards the direction movement far from the rotating cylinder (3)
Trend.
4. gas distribution device according to claim 3, which is characterized in that the movable gear ring (52) is paramagnetism material
Matter or/and its center are connected with the coil center for axially extending in the rotating cylinder (3) and stretching to the electromagnet (4)
Paramagnetism connecting rod (55).
5. gas distribution device according to claim 2, which is characterized in that it is described activity gear ring (52) first end face be in
Zigzag, each sawtooth is made of relatively axially inclined second oblique section (521) and oblique section of third (522), wherein only
First oblique section (511) of second oblique section of (521) inclined direction and fixed gear ring (51) unanimously, and radially described in side view
The flat segments (512) of fixed gear ring (51) are formed with second oblique section (521) of corresponding movable gear ring (52) intersects.
6. gas distribution device according to claim 5, which is characterized in that the inclined-plane of convex block (531) end face
Unanimously, the end of inclined-plane (531a) is round and smooth for first oblique section (511) of (531a) inclined direction and the fixed gear ring (51)
The shape of transition, and convex block (531) have radially enough thickness with can with the movable gear ring (52) second tiltedly
It is inconsistent to section (521) or oblique section of third (522), but can with fixed gear ring (51) first oblique section (511) it is inconsistent.
7. the gas distribution device according to any claim in claim 2 to 6, it is characterised in that: the movable teeth
The outer wall for enclosing (52) is equipped with axially extending guide pad (523), and the inner wall of fixed gear ring (51) then has can hold the guiding
Block (523) is in the guide groove (513) wherein slided, thus axial the moving of realization activity gear ring (52) relatively fixed gear ring (51)
It is dynamic.
8. gas distribution device according to claim 1, it is characterised in that: the starting point of all strip through-holes (32) is located at
On the same straight line parallel with shaft (3) axis, and the length of strip through-hole described at least two of which (32) is different.
9. gas distribution device according to claim 8, it is characterised in that: between the strip through-hole (32) of different length
The difference of arc length and the stepping rotational angle of rotating cylinder (3) are positively correlated.
10. a kind of gas heater using gas distribution device described in any claim in claim 1 to 9, special
Sign is: the gas heater further includes burner (101) and the valve group (102) for controlling gas intake, the combustion
Burner (101) is connected with nozzle (12), and the valve group (102) is connected with the first air inlet (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565611.3A CN110375092B (en) | 2019-06-27 | 2019-06-27 | Gas distribution device and gas water heater using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565611.3A CN110375092B (en) | 2019-06-27 | 2019-06-27 | Gas distribution device and gas water heater using same |
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| CN110375092A true CN110375092A (en) | 2019-10-25 |
| CN110375092B CN110375092B (en) | 2021-02-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110887066A (en) * | 2019-12-03 | 2020-03-17 | 杭州厨神智能设备有限公司 | Energy-saving environment-friendly cooking bench |
| CN112855987A (en) * | 2021-01-07 | 2021-05-28 | 宁波方太厨具有限公司 | Zero cold water one-way valve for water heater |
| CN116889253A (en) * | 2023-07-28 | 2023-10-17 | 陕西秦巴茶业有限公司 | Tea fermentation device |
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|---|---|
| CN110375092B (en) | 2021-02-26 |
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