CN108317272A - A kind of thermostatic valve core with jet stream using shape memory alloy spring - Google Patents
A kind of thermostatic valve core with jet stream using shape memory alloy spring Download PDFInfo
- Publication number
- CN108317272A CN108317272A CN201710053298.6A CN201710053298A CN108317272A CN 108317272 A CN108317272 A CN 108317272A CN 201710053298 A CN201710053298 A CN 201710053298A CN 108317272 A CN108317272 A CN 108317272A
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- Prior art keywords
- sliding sleeve
- temperature adjustment
- cold water
- nozzle
- adjusting
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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
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
-
- 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
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The present invention relates to a kind of thermostatic valve cores with jet stream using shape memory alloy spring, it includes valve body and is arranged temperature adjustment component in body cavity, shape memory alloy spring and hot and cold water water inlet control assembly, the described component includes a left side, right adjusting sliding sleeve and bias spring, the cold water apopore of its right central passage for adjusting sliding sleeve is set as nozzle, its left adjusting sliding sleeve centre bore is set as trunnion and diffuser, one thimble can be set near nozzle again, adjust the axial distance of thimble and nozzle, i.e. adjustable promotion of the cold water to the pressure of hot water, application of the invention particularly suitable for cold water pressure much larger than the solar water heater of heat hydraulic pressure, and temperature persistance when reply cold water pressure variation can be improved.
Description
The present invention relates to a kind of thermostatic valve core with jet stream using shape memory alloy spring, the spools for technical field
Suitable for hot and cold water thermostatic valve, it is particularly suitable for the solar water heater system that cold water pressure of supply water is far above hot water pressure of supply water
It is middle to be used as hot and cold water constant temperature valve.
Background technology uses cured texture thermometer bulb as the hot and cold water thermostatic valve core of temperature-sensitive element in the prior art, practical to demonstrate,prove
The bright bathing that it is unsuitable for when cold water pressure is far above heat hydraulic pressure is used, such as non-bearing type solar water heater.If exerting oneself
Use is forced, then can cause adverse current, be discharged the disadvantages such as unsmooth or interrupted impact vibration, temperature persistance is made to be a greater impact.
The applicant about using thermostatic valve core patented technology of the shape memory alloy spring as temperature-sensitive element
(201010620357.1), although preferably resolving above-mentioned reflux problem, also will when heat hydraulic pressure is extremely low or negative pressure
Using limited, and for big pressure difference in the case of to the temperature persistance of thermostatic valve, higher requirements are also raised.
Shortcoming present in above-mentioned patented technology of the content of invention the present invention be directed to the applicant changes
Into, make the thermostatic valve core use in the case where cold water pressure is much larger than heat hydraulic pressure's even negative pressure without backflow phenomena,
And temperature persistance can be improved.
The technical scheme is that：A kind of using the thermostatic valve core with jet stream of shape memory alloy spring includes valve body
And temperature adjustment component, shape memory alloy spring 1 and hot and cold water the water inlet control group in the operable cooperation of body cavity are set
Part, the hot water inlet H on valve body peripheral wall are provided between cooling water inlet C and water outlet M, shape memory alloy spring 1
In mixing aquaporin between hot water inlet H and water outlet M, hot and cold water water inlet control assembly includes left adjusting sliding sleeve 3, right tune
Section sliding sleeve 4 and bias spring 2 and bias spring clamping piece, left and right adjusting sliding sleeve are located at body cavity, are slidably matched therewith,
Left and right adjusting sliding sleeve contacts mutually, and shape memory alloy spring 1 and bias spring 2 will be in the clampings of left and right adjusting sliding sleeve
Between, both ends abutted respectively with the temperature adjustment screw rod 5 in valve body bottom surface and temperature adjustment component to balance, it is left adjust sliding sleeve 3 right side with
Hot water inlet H right edges are close on valve body, it is right adjust on sliding sleeve 4 with an opposite end face of left adjusting sliding sleeve 3 with it is cold on valve body
Water inlet C left sides are close, the adjoining edge of hot water or cold water's import be located at left and right the two opposite end faces for adjusting sliding sleeve it
Between, one inlet valve of each formation in left and right, left and right adjusting sliding sleeve provides hot water or cold water's import to the channel of mixed water exports, described
It is connected to peripheral end face to left and right adjusting sliding sleeve, and multiple inlet openings are arranged on peripheral wall, respectively with hot water inlet H and cold water into
Mouth C is corresponded to, it is characterised in that：The cold water apopore of its right central passage for adjusting sliding sleeve 4 is set as nozzle A, and left adjusting is slided
The centre bore of set 3 is set as trunnion and diffuser B, and coaxial with nozzle A.
In this scenario, the temperature adjustment component includes temperature adjustment valve head 6, temperature adjustment screw rod 5, sealing ring and baffle ring, heat control valve
First 6 are stretched out by valve body end, and temperature adjustment screw rod 5 is coordinated with temperature adjustment valve head 6 with screw thread activity, the stretching right valve barrel of temperature adjustment valve head 6
End portion is to external temperature adjustment handwheel.
The valve body includes left valve barrel 7, right valve barrel 8 and pedestal 9, and the water outlet M is arranged on pedestal 9.
On the basis of said program, near the right central passage inner nozzle A for adjusting sliding sleeve 4, it is arranged and can be inserted into nozzle A
Thimble 19, right end is pierced by by the clamping disk 17, retaining sleeve 18 and temperature adjustment screw rod 5 of bias spring 2 to temperature adjustment valve head 6
Chamber, and be connected with screw thread activity with the adjusting rod 21 for being installed on inner cavity, 21 excircle of adjusting rod passes through adjusting rod sealing ring
20 seal with the 6 inner cavity rotational slide of temperature adjustment valve head, and temperature adjustment valve head and adjusting rod 21 are respectively by valve head baffle ring 16 and adjusting rod baffle ring
22 axial limitings, the program change the flux of nozzle A by changing the distance to axial of thimble 19 and nozzle A, to
The change to the cold water rate of outflow is realized, to adapt to different differential water pressures and temperature difference.
Presetting when this programme reaches balance by operation temperature adjustment component change shape memory alloy spring and bias spring
Load that is, appropriateness change the preset ratio aperture of Cold-hot water valve, required temperature is arranged, when inflow temperature or pressure change,
By shape memory alloy spring to the fast reaction performance (its elasticity modulus varies with temperature) and bias spring of temperature change
Synergistic effect, driving adjust the left and right axial movement of sliding sleeve, cold and hot water inlet ratio are adjusted, to achieve the purpose that water termostat.
The technical solution is since the internal structure of the left and right adjusting sliding sleeve to above-mentioned patented technology is made that improvement, thus
It preferably solves thermostatic valve core to use in solar water heater when cold water pressure is far above heat hydraulic pressure using limited
Problem, the practical nozzle referred in fluidics of the program and trunnion diffuser structure, since jet stream can make heat hydraulic pressure
Change with cold water pressure variation (when cold water heat-absorption water), thus can further improve shape memory alloy spring thermostatic valve core
The temperature persistance for coping with tap water pipe network pressure oscillation is more than the not no thermostatic valve core with jet stream to the stability of temperature, because
And there is actual progress meaning.
Description of the drawings
The structural schematic diagram of Fig. 1 first embodiment of the present invention
The structural schematic diagram of Fig. 2 second embodiment of the present invention
1. 2. bias spring of shape memory alloy spring, 3. left adjusting sliding sleeve, 4. right 5. temperature adjustment screw rod 6. of adjusting sliding sleeve
7. left valve barrel of temperature adjustment valve head, 8. right valve barrel, 9. pedestal, 10. right sliding sleeve sealing ring, 11. left sliding sleeve sealing ring 12. pushes up pawl 13.
18. retaining sleeve of attachment screw 14. grip block, 15. valve head sealing ring, 16. valve head baffle ring, 17. clamping disk, 19. thimble 20..
21. thimble adjusting rod of adjusting rod sealing ring, 22. adjusting rod baffle ring
Specific implementation mode elaborates to two specific embodiments of the present invention below in conjunction with attached drawing.
First embodiment in the present invention, as shown in Figure 1, using shape memory alloy spring 1 as the perseverance of temperature-sensitive element
Warm spool, including be provided with cooling water inlet C, hot water inlet H and water outlet M valve body and be arranged in the operable of body cavity
The temperature adjustment component of cooperation, shape memory alloy spring 1 and hot and cold water are intake control assembly, the hot water inlet H on valve body peripheral wall
It is provided between cooling water inlet C and water outlet M, shape memory alloy spring 1 is between hot water inlet H and water outlet M
It mixes in aquaporin, valve body includes right valve barrel 8, left valve barrel 7 and pedestal 9, the internal host cavity for forming above-mentioned component, the tune
Warm component includes temperature adjustment valve head 6, temperature adjustment screw rod 5, valve head sealing ring 15 and valve head baffle ring 16, and temperature adjustment valve head 6 stretches out right valve barrel 8,
Temperature adjustment valve head 6 and temperature adjustment screw rod 5 are threadedly coupled cooperation, and rotation temperature adjustment valve head 6 makes the left and right in anti-torsion structure of temperature adjustment screw rod 5
Axial movement, to set leaving water temperature, the end portion of the stretching right valve barrel of temperature adjustment valve head will be installed in thermostatic valve in spool
To external temperature adjustment handwheel when in vivo.
The hot and cold water water inlet control assembly includes left adjusting sliding sleeve 3, right adjusting sliding sleeve 4, bias spring 2, top pawl 12, connects
Screw 13, grip block 14, right sliding sleeve sealing ring 10 and left sliding sleeve sealing ring 11 are connect, left and right adjusting sliding sleeve 3,4 is located in valve body
Chamber is slidably matched therewith, and excircle is embedded with sealing ring 10 and 11, and left and right adjusting sliding sleeve 3,4 contacts mutually, shape note
Recall alloy spring 1 and bias spring 2 left and right temperature adjustment sliding sleeve 3,4 is clamped it is intermediate, both ends respectively with the pedestal of valve body bottom surface 9 and
Temperature adjustment screw rod 5 in temperature adjustment component is abutted to balancing, and hot water inlet H right edges are leaned on the left right side for adjusting sliding sleeve 3 and valve body
Closely, right sliding sleeve 4 end face and valve body on cooling water inlet C left side opposite with left adjusting sliding sleeve 3 of adjusting is close, left and right tune
Save sliding sleeve 3,4 the two opposite end faces the adjacent proximal edge of hot water or cold water's import C, H are sandwiched between, left and right is each to form one
Inlet valve, and it is left and right adjust multiple inlet openings for being radially arranged on 4 peripheral wall of sliding sleeve, respectively with hot water inlet H and cooling water inlet
C is corresponded to.Here inlet opening is not limited to its shape, but under the premise of intensity can be met the requirements, expand it as possible
Flux.
The bias spring clamping piece includes top pawl 12, attachment screw 13 and grip block 14, and attachment screw 13 passes through clamping
Plate 14 is then passed through bias spring 2, and fixation is threadedly coupled with top pawl 12.There are many clamp springs method in fact, according to the low of SMA
Temperature characteristics can give its certain pre compressed magnitude.
Since left and right adjusting sliding sleeve 3,4 is clamped therebetween for bias spring 2 and shape memory alloy spring 1, elastic force it is opposite and
To balance, required leaving water temperature is set by operating temperature adjustment component, when inflow temperature or pressure change, by thermal element
Part shape memory alloy spring 1 coordinates bias spring 2 that left and right adjusting sliding sleeve 3,4 or so is driven to move axially, and then adjusts two
Inlet valve opening-closing size adjusts hot and cold water water inlet ratio, achievees the purpose that water termostat.
The embodiment is characterized in that：The cold water apopore of the right central passage for adjusting sliding sleeve 4 is set as nozzle A, left
The centre bore for adjusting sliding sleeve 3 is set as trunnion and diffuser B, and coaxial with the right nozzle A for adjusting sliding sleeve 4.
When cold water enters right adjusting sliding sleeve 4 from cooling water inlet C, just it is located at the nozzle A of central passage from it to flow out at a high speed,
It is flowed into the left trunnion and diffuser B for adjusting sliding sleeve 3 with being mixed from the hot water that hot water inlet B is flowed into, according to jet current principle, herein
In the process, it would be possible to form a negative pressure cavity in the cavity on the outside of nozzle A between hot water inlet H, it will inspiration is more
Hot water avoids the use caused because heat hydraulic pressure is far below cold water limited to promote the pressure of hot water.
Second embodiment in the present invention, as shown in Fig. 2, on the basis of upper embodiment, at the right center for adjusting sliding sleeve 4
Near the inner nozzle A of channel, the thimble 19 that can be inserted into nozzle A, and co-axial, the clamping that right end passes through bias spring 2 are set
Disk 17, retaining sleeve 18 and temperature adjustment screw rod 5 are pierced by 6 inner cavity of temperature adjustment valve head and are matched with screw thread activity with the adjusting rod 21 for being installed on this
Connection is closed, 21 excircle of adjusting rod is sealed by adjusting rod sealing ring 20 and 6 inner cavity rotary sliding of temperature adjustment valve head, adjusting rod 21
End be pierced by except 6 end of temperature adjustment valve head, adjusting rod 21 and temperature adjustment valve head 6 are respectively by valve head baffle ring 16 and adjusting rod baffle ring 22
Axial limiting, when rotation temperature adjustment valve head 6, then thimble 19 also and then rotates, but without axial movement, to thimble 19 without adjustment effect,
When only rotating adjusting rod 21, and temperature adjustment valve head 6 is made not turn, then thimble 19 is made by the screw thread pair of both thimble 19 and adjusting rod 21
It moves axially, to change the distance to axial of thimble 19 and nozzle A, that is, changes the flux of nozzle A, to realization pair
The change of the cold water rate of outflow also just changes high-pressure cold water to the boost in pressure amplitude of low pressure hot water (not due to the adjusting
Necessary normal adjusting is only adjusted according to the different differential water pressures of different regions or the temperature difference in summer in winter).It is mounted in the spool
When in thermostatic valve body, adjusting rod 21 will then be stretched out from the external temperature adjustment handwheel top chimeric with temperature adjustment valve head 6, then external one small
Knob is exclusively used in the adjusting axial movement of thimble 19 and is used.It is uncontrollable scarce that the embodiment can make up chilled water flow velocity in example
Fall into, particularly suitable for heat hydraulic pressure is extremely low or negative pressure in the case of use.
The clamping piece of the bias spring 2 includes clamping disk 17, and the other end setting of retaining sleeve 18, clamp springs is being adjusted
It on warm screw rod 5, can play the same role, aid covers 18 endoporus to pass through thimble 19.
The concrete structure size of nozzle, trunnion and diffuser can be according to the reality of fluidics and different valves in the present invention
Size is required and is made.Scheme described above is all cold water pressure much larger than in the case of heat hydraulic pressure, and is introduced in spool
Fluidics promotes heat hydraulic pressure using the cold water of high pressure, certainly for a kind of cooling water inlet in hot water inlet and mixing
If the patent structure, i.e. nozzle still can be used when heat hydraulic pressure is much larger than cold water pressure in thermostatic valve core between water water outlet
It is arranged in upstream high hot water outflux, trunnion and diffuser are in downstream.
The present invention can be used as the spool of hot and cold water thermostatic valve, pressure-bearing water heater be can be not only used for, more suitable for cold
The system that water pressure is much larger than heat hydraulic pressure, such as solar water heater and open type electric water heater etc. not only solve adverse current
Problem also can further improve the temperature stability of thermostatic valve core reply cold water pressure variation,.
Claims (2)
1. a kind of thermostatic valve core with jet stream using shape memory alloy spring, including be provided with cooling water inlet (C), hot water into
The valve body of mouthful (H) and water outlet (M) and the temperature adjustment component in the operable cooperation of body cavity, SMA (1) and cold and hot are set
Water is intake control assembly, and the hot water inlet (H) on valve body peripheral wall is provided between cooling water inlet (C) and water outlet (M), shape
Shape memory alloys spring (1) is located in the mixing aquaporin between hot water inlet (H) and water outlet (M), and hot and cold water is into water management
Component includes left adjusting sliding sleeve (3), right adjusting sliding sleeve (4), bias spring (2) and bias spring clamping piece, left and right adjusting sliding sleeve
It positioned at body cavity, is slidably matched therewith, left and right adjusting sliding sleeve contacts mutually, shape memory alloy spring (1) and biasing
Spring (2) is intermediate by the clamping of left and right adjusting sliding sleeve, and both ends are supported with the temperature adjustment screw rod (5) in valve body bottom surface and temperature adjustment component respectively
Be connected to balance, hot water inlet (H) right edge is close on the left right side for adjusting sliding sleeve (3) and valve body, on right adjustings sliding sleeve (4) and
It is left to adjust an opposite end face of sliding sleeve (3) and cooling water inlet on valve body (C) left side is close, hot water or cold water's import it is adjoining
Edge is located between left and right the two opposite end faces for adjusting sliding sleeve, and one inlet valve of each formation in left and right, left and right adjusting is slided
Set provides hot water or cold water's import to the channel of mixed water exports (M), it is connected to peripheral end face to the left and right adjusting sliding sleeve, week
Multiple inlet openings are radially set on wall, it is corresponding with hot water inlet (H) and cooling water inlet (C) respectively, it is characterised in that：Its right adjusting
The cold water apopore of the central passage of sliding sleeve (4) is set as nozzle (A), and the left centre bore for adjusting sliding sleeve (3) is set as trunnion
It is and concentric with nozzle (A) with diffuser (B).
2. a kind of thermostatic valve core with jet stream using shape memory alloy spring as described in claim 1, it is characterised in that：
Near the central passage inner nozzle (A) of right adjusting sliding sleeve (4), the thimble (19) that can be inserted into nozzle (A) is set, and co-axial
The heart, right end are pierced by by the clamping disk (17), retaining sleeve (18) and temperature adjustment screw rod (5) of bias spring (2) to temperature adjustment valve head (6)
Inner cavity is simultaneously connected with the adjusting rod (21) for being installed on inner cavity with screw thread activity, and adjusting rod (21) excircle is close by adjusting rod
Seal (20) and temperature adjustment valve head (6) inner cavity are trackslipped sealing, and the end of adjusting rod (21) is pierced by except temperature adjustment valve head (6) end, tune
Warm valve head (6) and adjusting rod (21) are respectively by valve head baffle ring (16) and adjusting rod baffle ring (22) axial limiting, when rotation heat control valve
Head (6), then thimble (19) can and then rotate, but without axial movement, when only rotation adjusting rod (21), and make temperature adjustment valve head (6) no
Turn, then so that thimble (19) is moved axially by the screw thread pair between thimble (19) and adjusting rod (21), to change thimble
(19) with the distance to axial of nozzle (A), that is, change nozzle (A) flux, to realize the cold water rate of outflow is changed
Become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053298.6A CN108317272A (en) | 2017-01-16 | 2017-01-16 | A kind of thermostatic valve core with jet stream using shape memory alloy spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053298.6A CN108317272A (en) | 2017-01-16 | 2017-01-16 | A kind of thermostatic valve core with jet stream using shape memory alloy spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317272A true CN108317272A (en) | 2018-07-24 |
Family
ID=62892285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053298.6A Pending CN108317272A (en) | 2017-01-16 | 2017-01-16 | A kind of thermostatic valve core with jet stream using shape memory alloy spring |
Country Status (1)
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| CN (1) | CN108317272A (en) |
Citations (8)
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|---|---|---|---|---|
| CN102086941A (en) * | 2010-08-27 | 2011-06-08 | 北京清华阳光能源开发有限责任公司 | Water mixing valve |
| CN201949953U (en) * | 2011-02-28 | 2011-08-31 | 中国石油化工集团公司 | High-efficiency energy-saving nozzle and steam injection pump with nozzle |
| CN102537423A (en) * | 2010-12-23 | 2012-07-04 | 崔荀 | Backflow-prevention constant-temperature valve core adopting shape memory alloy spring |
| CN203214955U (en) * | 2013-04-27 | 2013-09-25 | 广州海鸥卫浴用品股份有限公司 | Jet shower device |
| CN103775678A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Adjustable jet flow valve |
| US20140272658A1 (en) * | 2013-03-15 | 2014-09-18 | Societe Bic | Fluidic Components Suitable for Fuel Cell Systems Including Pressure Regulators and Valves |
| CN204533647U (en) * | 2015-01-14 | 2015-08-05 | 苏州西脉记忆合金有限公司 | A kind of memory alloy constant-temperature water faucet |
| CN106195347A (en) * | 2016-07-11 | 2016-12-07 | 常州大学 | A kind of anti-icing stifled automatic fluid injection choke valve being provided with reservoir |
-
2017
- 2017-01-16 CN CN201710053298.6A patent/CN108317272A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086941A (en) * | 2010-08-27 | 2011-06-08 | 北京清华阳光能源开发有限责任公司 | Water mixing valve |
| CN102537423A (en) * | 2010-12-23 | 2012-07-04 | 崔荀 | Backflow-prevention constant-temperature valve core adopting shape memory alloy spring |
| CN201949953U (en) * | 2011-02-28 | 2011-08-31 | 中国石油化工集团公司 | High-efficiency energy-saving nozzle and steam injection pump with nozzle |
| US20140272658A1 (en) * | 2013-03-15 | 2014-09-18 | Societe Bic | Fluidic Components Suitable for Fuel Cell Systems Including Pressure Regulators and Valves |
| CN203214955U (en) * | 2013-04-27 | 2013-09-25 | 广州海鸥卫浴用品股份有限公司 | Jet shower device |
| CN103775678A (en) * | 2013-04-27 | 2014-05-07 | 广州海鸥卫浴用品股份有限公司 | Adjustable jet flow valve |
| CN204533647U (en) * | 2015-01-14 | 2015-08-05 | 苏州西脉记忆合金有限公司 | A kind of memory alloy constant-temperature water faucet |
| CN106195347A (en) * | 2016-07-11 | 2016-12-07 | 常州大学 | A kind of anti-icing stifled automatic fluid injection choke valve being provided with reservoir |
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Application publication date: 20180724 |
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