CN102155579A - Constant temperature regulating valve - Google Patents
Constant temperature regulating valve Download PDFInfo
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- CN102155579A CN102155579A CN 201110110435 CN201110110435A CN102155579A CN 102155579 A CN102155579 A CN 102155579A CN 201110110435 CN201110110435 CN 201110110435 CN 201110110435 A CN201110110435 A CN 201110110435A CN 102155579 A CN102155579 A CN 102155579A
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- handwheel
- valve rod
- temperature
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Abstract
The invention discloses a constant temperature regulating valve, which comprises a valve body, a thermosensitive valve core, a movable valve core, a valve rod, a valve cover and a hand wheel, wherein a valve cavity is formed in the valve body; a water inlet and a water outlet which are communicated with the valve cavity are formed on the valve body; a clapboard is arranged between the water inlet and the water outlet; a current limiting hole is formed on the clapboard and is used for communicating the water inlet with the water outlet; the thermosensitive valve core is inserted into the current limiting hole, and the height of the thermosensitive valve core in the valve cavity is changed according to the temperature of water in the valve cavity; a return spring is arranged at the lower end of the thermosensitive valve core and is used for pushing the thermosensitive valve core upwards; the upper end of the thermosensitive valve core passes through the movable valve core to be pressed against the lower end of the valve rod; and a regulation structure for regulating the initial height of the thermosensitive valve core in the valve cavity is arranged on the valve rod. The valve has a simple structure, a small mounting space, a quick temperature sensing action, high sensitivity and high control accuracy, is easy and convenient to operate and is convenient to maintain; back water temperatures in a ground radiation heating system can be automatically regulated; and long-time overheating or overcooling heating is prevented, energy consumption is saved, and safe and comfortable living and working environments are provided.
Description
Technical field
The present invention relates to modulating valve, particularly a kind of temperature controlled thermostatic mixing valves of ground radiation heating that is used for.
Background technique
When having current to lead in the thermostatic mixing valves, the temperature of the temperature-sensitive spool induction water of thermostatic mixing valves, when temperature raises, the volumetric expansion of medium in the capsul of temperature-sensitive spool, thereby promoting push rod moves downward, when temperature descends, the volume-diminished of medium in the capsul of temperature-sensitive spool, push rod is moved upward by the spring force effect of bottom, the fore and aft motion of temperature-sensitive spool drives the movable spool that is connected with the temperature-sensitive spool and moves up and down, realize regulating automatically flow, the constant function of control heat supply temperature.At present, being used for the temperature controlled modulating valve of ground radiation heating has manually operated type and automatic type, manually operated type modulating valve operation inconvenience, and precision is inaccurate; Torsion is big when automatic type modulating valve complex structure, default initial temperature, volume is big, installing space is big, cost is higher, and maintenance difficult is unfavorable for promoting the use of.
Summary of the invention
Problem to be solved by this invention just provides a kind of thermostatic mixing valves, and is simple in structure, operates lightly, and installing space is little, and is easy to maintenance, can regulate the return water temperature in the ground radiation heating system automatically, and the temperature-sensitive action is fast, sensitivity is good, control accuracy is high; Avoid long-time overheated or cross cold heating, energy efficient provides the live and work environment of safety and comfort.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme: thermostatic mixing valves, comprise valve body, the temperature-sensitive spool, movable spool, valve rod, valve gap and handwheel, be provided with valve pocket in the valve body, valve body is provided with water intake and the water outlet that all is communicated with valve pocket, being provided with metering hole between water intake and water outlet is communicated with water intake and water outlet, the temperature-sensitive spool is installed in the metering hole and according to water temperature in the valve pocket and changes from the height in valve pocket, the lower end of temperature-sensitive spool is provided with Returnning spring the temperature-sensitive spool is upwards promoted, movable spool is located on the temperature-sensitive spool and moves up and down the break-make that changes metering hole along with the temperature-sensitive spool, valve gap is located at the valve body upper end and is connected with valve seal, handwheel is located at the valve gap upper end, the upper end of valve rod passes valve gap and is connected with handwheel, drive valve rod by rotating handwheel, it is characterized in that: the lower end that movable spool is against valve rod is passed in the upper end of temperature-sensitive spool, and valve rod is provided with the regulation structure of regulating temperature-sensitive spool elemental height in valve pocket.
Further, described valve rod comprises upper valve rod that passes valve gap and the lower valve rod that is located in the valve gap, regulation structure comprises the pilot hole that is located in the upper valve rod lower end and is located at the directional post that the lower valve rod upper end cooperates with pilot hole, the cross section of pilot hole and directional post is a polygonal, the upper end and the handwheel of upper valve rod are affixed, the last end in contact of the lower end of lower valve rod and temperature-sensitive spool, sidewall is provided with outside thread I in the lower end of lower valve rod, be provided with the center hole that moves up and down for lower valve rod in the lower end of valve gap, the hole wall of center hole is provided with the internal thread I that cooperates with outside thread I, rotating handwheel drive upper valve rod horizontally rotates, and then thereby valve gap moves up and down the elemental height of adjusting temperature-sensitive spool in valve pocket to make lower valve rod rotate also relatively in valve gap, is provided with the limit structure that the restriction upper valve rod moves up and down between valve gap and upper valve rod.
Further, described limit structure comprises the back-up ring that radially protrudes and be located at the upper valve rod middle part that is located at the upper valve rod lower end, radially protrude and be against on the lower surface of valve gap, back-up ring is stuck on the upper surface of valve gap, is provided with sealing configuration between the face that upper valve rod and valve gap are in contact with one another.
Further, the lower end surface of described lower valve rod is provided with the positioning hole of temperature-sensitive spool upper end portion, location.
Further, described valve gap is provided with the handwheel seat, and handwheel sleeve is connected on the handwheel seat, is provided with to prevent that handwheel from rotating the screens structure above 360 ° between handwheel seat and handwheel.
Further, described screens structure comprises the projection that is located on the handwheel seat and is located at the screens piece that offsets with projection on the handwheel inwall.
Further, be provided with the position structure of the position of adjusting the relative valve gap of projection between described valve gap and the handwheel seat, described position structure comprises boss that is located at the valve gap upper end and the ring gear I that is located in the handwheel seat, and the cross section of boss is a regular polygon, and the groove of ring gear I cooperates with the angle of boss.
Further, be provided with ring gear II in the described handwheel, the upper end portion of upper valve rod is provided with ring gear II and cooperates the external toothing of avoiding handwheel and upper valve rod to relatively rotate, the upper-end surface of upper valve rod is provided with tapped hole, and handwheel is provided with screw and passes handwheel and cooperate handwheel and upper valve rod affixed with tapped hole.
Further, the bottom of described valve body is provided with cleaning eye, and cleaning eye is provided with the screw plug with the cleaning eye sealing.
Further, described temperature-sensitive spool comprises push rod and connecting head, push rod is located in the connecting head and protrudes upward connecting head and stretches in the positioning hole, be provided with the thermoinduction bag in the connecting head lower end, the lower end of push rod is installed in the thermoinduction bag, shortens when elongation or water temperature reduced when water temperature realized the water temperature rising in the push rod induction valve pocket, is provided with outside thread II on connecting head, be provided with the internal thread II that cooperates with outside thread II in the movable spool, the upper end of Returnning spring is against thermoinduction and wraps.
After adopting technique scheme, the present invention has following advantage: the level of comfort according to Heating Room area size, room temperature height and indoor occupant is adjusted hot water flow, and the living and working environment of safety and comfort is provided, and energy saving; The temperature-sensitive action is fast, highly sensitive, the control temperature is accurate.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the structural representation of upper valve rod and lower valve rod;
Fig. 3 is a handwheel seat stereogram;
Fig. 4 is a handwheel seat plan view;
Fig. 5 is the valve body exterior perspective view of being unkitted the handwheel seat;
Fig. 6 is the valve body exterior perspective view that installs the handwheel seat;
Fig. 7 is the handwheel stereogram;
Fig. 8 is the sectional view of temperature-sensitive spool;
Handwheel and handwheel seat relative position schematic representation when Fig. 9 establishes temperature for maximum prefetch;
Handwheel and handwheel seat relative position schematic representation when Figure 10 is the minimum predetermined temperature;
The structural representation of valve inner when Figure 11 is the minimum predetermined temperature.
Embodiment
The structural representation of an embodiment of the present invention shown in Fig. 1 to 8, a kind of thermostatic mixing valves, comprise valve body 1, temperature-sensitive spool 2, movable spool 3, valve rod 4, valve gap 5 and handwheel 6, be provided with valve pocket 10 in the valve body, valve body is provided with water intake 11 and the water outlet 12 that all is communicated with valve pocket, between water intake and water outlet, be provided with dividing plate 16, dividing plate is provided with metering hole 13 water intake and water outlet is communicated with, the temperature-sensitive spool is located in the metering hole and according to water temperature in the valve pocket and changes from the height in valve pocket, the lower end of temperature-sensitive spool is provided with Returnning spring 8 the temperature-sensitive spool is upwards promoted, movable spool is located on the temperature-sensitive spool and moves up and down the break-make that changes metering hole along with the temperature-sensitive spool, valve gap is located at the valve body upper end and is connected with valve seal, handwheel is located at the valve gap upper end, the upper end of valve rod passes valve gap and is connected with handwheel, drive valve rod by rotating handwheel, the lower end that movable spool is against valve rod is passed in the upper end of temperature-sensitive spool, and valve rod is provided with the regulation structure of regulating temperature-sensitive spool elemental height in valve pocket.
Described valve rod comprises upper valve rod 41 that passes valve gap and the lower valve rod 42 that is located in the valve gap, regulation structure comprises the pilot hole 411 that is located in the upper valve rod lower end and is located at the directional post 421 that the lower valve rod upper end cooperates with pilot hole, the cross section of pilot hole and directional post is a polygonal, be regular hexagon in the present embodiment, the upper end and the handwheel of upper valve rod are affixed, the last end in contact of the lower end of lower valve rod and temperature-sensitive spool, sidewall is provided with outside thread I422 in the lower end of lower valve rod, be provided with the center hole 51 that moves up and down for lower valve rod in the lower end of valve gap, the hole wall of center hole is provided with the internal thread I511 that cooperates with outside thread I, rotating handwheel drive upper valve rod horizontally rotates, and then thereby valve gap moves up and down the elemental height of adjusting temperature-sensitive spool in valve pocket to make lower valve rod rotate also relatively in valve gap, is provided with the limit structure that the restriction upper valve rod moves up and down between valve gap and upper valve rod.Described limit structure comprise be located at the upper valve rod lower end radially protrude 412 and be located at the back-up ring 413 at upper valve rod middle part, radially protrude and be against on the lower surface of valve gap, back-up ring is stuck on the upper surface of valve gap, is provided with sealing configuration 9 between the face that upper valve rod and valve gap are in contact with one another.On the lower end surface of lower valve rod, be provided with the positioning hole 423 of temperature-sensitive spool upper end portion, location.
Described valve gap is provided with handwheel seat 7, and handwheel sleeve is connected on the handwheel seat, is provided with to prevent that handwheel from rotating the screens structure above 360 ° between handwheel seat and handwheel.Described screens structure comprises the projection 71 that is located on the handwheel seat and is located at the screens piece 61 that offsets with projection on the handwheel inwall.
Be provided with the position structure of the position of adjusting the relative valve gap of projection between described valve gap and the handwheel seat, position structure comprises boss 52 that is located at the valve gap upper end and the ring gear I72 that is located in the handwheel seat, the cross section of boss is a regular polygon, be square in the present embodiment, the groove of ring gear I cooperates with the angle of boss.
In the foregoing description, in handwheel, be provided with ring gear II62, the upper end portion of upper valve rod is provided with and cooperates the external toothing 414 of avoiding handwheel and upper valve rod to relatively rotate with ring gear II, the upper-end surface of upper valve rod is provided with tapped hole 415, and handwheel is provided with screw 63 and passes handwheel and cooperate handwheel and upper valve rod affixed with tapped hole.Be provided with cleaning eye 14 in the bottom of valve body, cleaning eye is provided with the screw plug 15 with the cleaning eye sealing.The temperature-sensitive spool comprises push rod 21 and connecting head 22, push rod is located in the connecting head and protrudes upward connecting head and stretches in the positioning hole, be provided with the thermoinduction bag in the connecting head lower end, the lower end of push rod is installed in the thermoinduction bag 23, shorten when elongation or water temperature reduced when water temperature realized the water temperature rising in the push rod induction valve pocket, be provided with outside thread II24 on connecting head, be provided with the internal thread II31 that cooperates with outside thread II in the movable spool, the upper end of Returnning spring is against thermoinduction and wraps.
According to setting forth among the JGJ142 " ground radiation heating technical regulations ": ground radiation heating is to be heating agent not to be higher than 60 ℃ hot water.Therefore in the present invention, automatically regulate for realizing movable spool, the temperature-sensitive spool is set the promotion stroke according to this temperature range, and by rotating handwheel drive upper valve rod rotation and lower valve rod being moved up and down, the default elemental height of temperature-sensitive spool in valve pocket, thereby the elemental height of setting activity spool in valve pocket, the aperture size between movable spool and the metering hole determined hot water flow what, the flow of hot water what just determined radiation that hot water provides temperature just.When having current to lead in the thermostatic mixing valves, the temperature of the temperature-sensitive spool induction water of thermostatic mixing valves, when temperature raises, push rod volumetric expansion in the temperature-sensitive spool, upwards elongation, thus temperature-sensitive spool and movable spool are promoted downwards, reduce the aperture between movable spool and the metering hole, also just reduce the flow of hot water, finally reduced radiation temperature; When temperature descends, the push rod volume-diminished in the temperature-sensitive spool, retraction downwards, temperature-sensitive spool and movable spool are promoted to move upward by Returnning spring, thereby increased the aperture between movable spool and the metering hole, also just increased the flow of hot water, finally improved radiation temperature.The fore and aft motion of push rod drives the movable spool that is connected with the temperature-sensitive spool and moves up and down the automatic flow of regulating of realization, the constant function of control heat supply temperature like this.
In addition, because by the turn handwheel, initial position with regard to the quick spool of adjustable heat, thereby determined corresponding hot water flow, also just set the required temperature of floor heating heat supply, between handwheel and handwheel seat, be provided with and prevent that handwheel from rotate surpassing 360 ° screens structure, can effectively prevent too high or too low for temperaturely, keep amenity.Outer surface at the handwheel seat is printed on sign 73, outer surface at handwheel is provided with temperature range scale value 64, sign is corresponding with projection, the temperature range scale value is from the off clockwise around the ascending terminal point that changes to of handwheel outer surface circumference, and the screens piece in the handwheel is between Origin And Destination.When the handwheel seat is installed, adjust the position of the relative valve body of sign by valve gap and the position structure between the handwheel seat, make operator can observe directly sign.Screw thread under the general processing custom, clockwise rotate handwheel and promptly tighten the situation of lower valve rod, the relative valve gap of lower valve rod is moved down, default temperature-sensitive spool and the elemental height of movable spool in valve pocket are lower, initial opening between just movable spool and the metering hole is less, and handwheel is clockwise rotated screens piece in the handwheel when being against handwheel seat protruding, as shown in Figure 9, the screens piece is against the right side of projection, be exactly temperature-sensitive spool and movable spool highly minimum situation in valve pocket, so just define minimum preset temperature; Identical reason, rotate counterclockwise the situation that handwheel promptly unclamps lower valve rod, the relative valve gap of lower valve rod is moved up, default temperature-sensitive spool and the elemental height of movable spool in valve pocket are higher, initial opening between just movable spool and the metering hole is bigger, and when handwheel rotated counterclockwise screens piece in the handwheel and is against handwheel seat protruding, as shown in figure 10, the screens piece is against the left side of projection, be exactly temperature-sensitive spool and movable spool highly maximum situation in valve pocket, so just define the highest preset temperature.When reality is used, decide the position of the relative sign of temperature range scale value on the handwheel according to the level of comfort of Heating Room area size, room temperature height and indoor occupant.When Figure 1 shows that the highest preset temperature, the position of the relative valve gap of lower valve rod, under the original state, aperture between movable spool and the metering hole is bigger, and when Figure 11 shows that minimum preset temperature, the position of the relative valve gap of lower valve rod, under the original state, the aperture between movable spool and the metering hole is less.
In the above-described embodiments, temperature range scale value from 0 to 3 height of distinguishing preset temperature clockwise.
Except that above preferred embodiment, the present invention also has other mode of execution, and those skilled in the art can make various changes and distortion according to the present invention, only otherwise break away from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (10)
1. thermostatic mixing valves, comprise valve body (1), temperature-sensitive spool (2), movable spool (3), valve rod (4), valve gap (5) and handwheel (6), be provided with valve pocket (10) in the valve body, valve body is provided with water intake (11) and the water outlet (12) that all is communicated with valve pocket, between water intake and water outlet, be provided with dividing plate (16), dividing plate is provided with metering hole (13) water intake and water outlet is communicated with, the temperature-sensitive spool is installed in the metering hole and according to water temperature in the valve pocket and changes from the height in valve pocket, the lower end of temperature-sensitive spool is provided with Returnning spring (8) the temperature-sensitive spool is upwards promoted, movable spool is located on the temperature-sensitive spool and moves up and down the break-make that changes metering hole along with the temperature-sensitive spool, valve gap is located at the valve body upper end and is connected with valve seal, handwheel is located at the valve gap upper end, the upper end of valve rod passes valve gap and is connected with handwheel, come ovable valve stem by rotating handwheel, it is characterized in that: the lower end that movable spool is against valve rod is passed in the upper end of temperature-sensitive spool, and valve rod is provided with the regulation structure of regulating temperature-sensitive spool elemental height in valve pocket.
2. thermostatic mixing valves according to claim 1, it is characterized in that: described valve rod comprises the upper valve rod (41) that passes valve gap and is located at lower valve rod (42) in the valve gap, regulation structure comprises the pilot hole (411) that is located in the upper valve rod lower end and is located at the directional post (421) that the lower valve rod upper end cooperates with pilot hole, the cross section of pilot hole and directional post is a polygonal, the upper end and the handwheel of upper valve rod are affixed, the last end in contact of the lower end of lower valve rod and temperature-sensitive spool, be provided with outside thread I (422) at the lower end of lower valve rod sidewall, be provided with the center hole (51) that moves up and down for lower valve rod in the lower end of valve gap, the hole wall of center hole is provided with the internal thread I (511) that cooperates with outside thread I, rotating handwheel drive upper valve rod horizontally rotates, and then thereby valve gap moves up and down the elemental height of adjusting temperature-sensitive spool in valve pocket to make lower valve rod rotate also relatively in valve gap, is provided with the limit structure that the restriction upper valve rod moves up and down between valve gap and upper valve rod.
3. thermostatic mixing valves according to claim 2, it is characterized in that: described limit structure comprises the radially protrusion (412) that is located at the upper valve rod lower end and is located at the back-up ring (413) at upper valve rod middle part, radially protrude and be against on the lower surface of valve gap, back-up ring is stuck on the upper surface of valve gap, is provided with sealing configuration (9) between the face that upper valve rod and valve gap are in contact with one another.
4. thermostatic mixing valves according to claim 2 is characterized in that: the lower end surface of described lower valve rod is provided with the positioning hole (423) of temperature-sensitive spool upper end portion, location.
5. thermostatic mixing valves according to claim 1 and 2 is characterized in that: described valve gap is provided with handwheel seat (7), and handwheel sleeve is connected on the handwheel seat, is provided with to prevent that handwheel from rotating the screens structure above 360 ° between handwheel seat and handwheel.
6. thermostatic mixing valves according to claim 5 is characterized in that: described screens structure comprises the projection (71) that is located on the handwheel seat and is located at the screens piece (61) that offsets with projection on the handwheel inwall.
7. thermostatic mixing valves according to claim 5, it is characterized in that: the position structure that is provided with the position of adjusting the relative valve gap of projection between described valve gap and the handwheel seat, position structure comprises the boss (52) that is located at valve gap upper end and is located at ring gear I (72) in the handwheel seat, the cross section of boss is a regular polygon, and the groove of ring gear I cooperates with the angle of boss.
8. thermostatic mixing valves according to claim 1 and 2, it is characterized in that: be provided with ring gear II (62) in the described handwheel, the upper end portion of upper valve rod is provided with and cooperates the external toothing (414) of avoiding handwheel and upper valve rod to relatively rotate with ring gear II, the upper-end surface of upper valve rod is provided with tapped hole (415), and handwheel is provided with screw (63) and passes handwheel and cooperate handwheel and upper valve rod affixed with tapped hole.
9. thermostatic mixing valves according to claim 1 is characterized in that: the bottom of described valve body is provided with cleaning eye (14), and cleaning eye is provided with the screw plug (15) with the cleaning eye sealing.
10. thermostatic mixing valves according to claim 1, it is characterized in that: described temperature-sensitive spool comprises push rod (21) and connecting head (22), push rod is located in the connecting head and protrudes upward connecting head and stretches in the positioning hole, be provided with thermoinduction bag (23) in the connecting head lower end, the lower end of push rod is installed in the thermoinduction bag, shorten when elongation or water temperature reduced when water temperature realized the water temperature rising in the push rod induction valve pocket, on connecting head, be provided with outside thread II (24), be provided with the internal thread II (31) that cooperates with outside thread II in the movable spool, the upper end of Returnning spring is against thermoinduction and wraps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110110435 CN102155579A (en) | 2011-04-29 | 2011-04-29 | Constant temperature regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110110435 CN102155579A (en) | 2011-04-29 | 2011-04-29 | Constant temperature regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102155579A true CN102155579A (en) | 2011-08-17 |
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ID=44437191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110110435 Pending CN102155579A (en) | 2011-04-29 | 2011-04-29 | Constant temperature regulating valve |
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| CN (1) | CN102155579A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322251A (en) * | 2013-07-08 | 2013-09-25 | 东阳市宇宙铜业有限公司 | Floor heating thermostatic valve |
| CN103335144A (en) * | 2013-07-08 | 2013-10-02 | 东阳市宇宙铜业有限公司 | Improved structure of floor heating thermostatic valve |
| CN108518523A (en) * | 2018-05-29 | 2018-09-11 | 郑州博容节能设备有限公司 | Based on water temperature rapid feedback formula thermostatic mixing valves in Constant-temp. pipeline and its constant temperature heat-exchange system and constant-temperature water mixing device |
| CN112344078A (en) * | 2019-08-09 | 2021-02-09 | 芜湖美的厨卫电器制造有限公司 | Thermostatic valve, control method of thermostatic valve and water heater |
| CN114555994A (en) * | 2020-01-02 | 2022-05-27 | 西门子瑞士有限公司 | Control valve |
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| CN2317366Y (en) * | 1998-01-24 | 1999-05-05 | 蒋飞龙 | Automatic constant temp. constant flow water-mixing valve core |
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| CN1892084A (en) * | 2005-06-28 | 2007-01-10 | F.W.奥文特罗普有限责任两合公司 | Thermostat valve cover |
| CN101509575A (en) * | 2009-03-19 | 2009-08-19 | 詹征 | Handwheel of constant temperature mixing valve |
| CN201615243U (en) * | 2009-12-14 | 2010-10-27 | 浙江盾安阀门有限公司 | Thermostatic water mixing valve |
| CN101975295A (en) * | 2010-11-02 | 2011-02-16 | 卓旦春 | Thermostatic control valve |
| CN202065544U (en) * | 2011-04-29 | 2011-12-07 | 浙江盾安阀门有限公司 | Constant-temperature regulating valve |
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| CN2317366Y (en) * | 1998-01-24 | 1999-05-05 | 蒋飞龙 | Automatic constant temp. constant flow water-mixing valve core |
| CN2709738Y (en) * | 2004-06-17 | 2005-07-13 | 诸暨市三峰机械有限公司 | Temp.-control valve |
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| CN202065544U (en) * | 2011-04-29 | 2011-12-07 | 浙江盾安阀门有限公司 | Constant-temperature regulating valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322251A (en) * | 2013-07-08 | 2013-09-25 | 东阳市宇宙铜业有限公司 | Floor heating thermostatic valve |
| CN103335144A (en) * | 2013-07-08 | 2013-10-02 | 东阳市宇宙铜业有限公司 | Improved structure of floor heating thermostatic valve |
| CN108518523A (en) * | 2018-05-29 | 2018-09-11 | 郑州博容节能设备有限公司 | Based on water temperature rapid feedback formula thermostatic mixing valves in Constant-temp. pipeline and its constant temperature heat-exchange system and constant-temperature water mixing device |
| CN112344078A (en) * | 2019-08-09 | 2021-02-09 | 芜湖美的厨卫电器制造有限公司 | Thermostatic valve, control method of thermostatic valve and water heater |
| CN114555994A (en) * | 2020-01-02 | 2022-05-27 | 西门子瑞士有限公司 | Control valve |
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Application publication date: 20110817 |