CN2318486Y - Intelligence temp.-sensitive controlled valve with shape memory alloy spring - Google Patents
Intelligence temp.-sensitive controlled valve with shape memory alloy spring Download PDFInfo
- Publication number
- CN2318486Y CN2318486Y CN 97236539 CN97236539U CN2318486Y CN 2318486 Y CN2318486 Y CN 2318486Y CN 97236539 CN97236539 CN 97236539 CN 97236539 U CN97236539 U CN 97236539U CN 2318486 Y CN2318486 Y CN 2318486Y
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- CN
- China
- Prior art keywords
- guide rod
- spring
- memory alloy
- valve body
- alloy spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses an intelligence temperature sensitive controlled valve with a shape memory alloy spring, which is provided with a valve body, a valve core and a guide rod. A memory alloy spring and a polarization spring are respectively arranged at both ends of the guide rod. The utility model is characterized in that outer part of the bottom of the valve body is provided with an extension sleeve barrel; the guide rod is extended out of the valve body from the extension sleeve barrel; the memory alloy spring is arranged on the guide rod by a spring seat pad connected to the end part of the extension sleeve barrel and a screw nut connected with threads at the end part of the guide rod; the other end of the guide rod is positioned at the inner part of the valve body; the turritus polarization spring is arranged on the guide rod; the valve core is connected with the guide rod. The utility model adopts the extension sleeve barrel so that a thermally-sensitive member penetrates into a temperature sensitive area, and thus, the utility model has better temperature sensitive effect.
Description
The utility model relates to a kind of water heater marmem intelligence temperature-sensitive control valve.
Present employed temperature-sensitive control valve has three kinds:
1, electronic temperature sensing control valve.Adopt sensor to measure temperature, transform electrical signal, the switching of control electromagnetic valve door by electronic circuit.Its advantage is to regulate water-exit temperature, and temperature-controlled precision is higher, but its work must have external power, and complex structure, costs an arm and a leg the maintenance difficulty.
2, expansion temperature-sensitive control valve such as paraffin wax.Open and close valve by melted by heat volumetric expansions such as paraffin waxes.This type of temperature-sensitive control valve, processed complex, the seal request height, and also the temperature-sensitive temperature is determined that by the paraffin wax composition be difficult to regulate, sensitivity is low, slow movement.
3, marmem temperature-sensitive control valve.1988, in " national marmem academic discussion collection of thesis " that second national marmem academic discussion is published, in " application of shape memory alloy temperature control valve on solar water heater " literary composition that the Jiang Baihong of Shanghai Communications University etc. delivers, a kind of shape memory alloy temperature control valve is disclosed, utilize marmem below a certain temperature, to compress, stretch, after bending or the torsional deflection, when being heated to uniform temperature, the complete restorable characteristic of energy, marmem is made cylindrical helical spring as the temperature-sensitive driving element, when the water temperature rising reaches uniform temperature, memory alloy spring overcomes the pressure of polarization spring on the guide rod the other end, produce displacement, thereby open valve, when water temperature reduces, polarization length of spring compressed shape memory alloy spring makes valve closing.But how such temperature-sensitive control valve of Chu Shouing places valve inner with memory alloy spring in the market, complex structure, and the manufacture process requirement height, the temperature-sensitive effect is under some influence.
The purpose of this utility model is in order to overcome the defective that above-mentioned temperature-sensitive control valve exists, and a kind of simple in structure, the temperature-sensitive control valve that the temperature-sensitive effect is better of design.
For solving above-mentioned task, the solution that the utility model adopts is:
In valve body (1) outside, bottom extension socket (2) is arranged, guide rod (3) extends valve body (1) outside from extension socket (2), memory alloy spring (4) is fitted on the guide rod that is positioned at the valve body outside by spring seat cushion (5) that is connected in the extension socket end and the nut (6) that is connected with the end convolution of guide rod, the other end of guide rod (3) is positioned at valve body (1) inside, the polarization spring (10) of taper is housed on it, and spool (7) links to each other with guide rod.
For making spool that bigger flow be arranged under less action, improve sensitivity, spool can be made turriform, good for guaranteeing to heart degree, make valve event more reliable and more stable, spool can be linked to each other with a butterfly aliform slide block (8), be connected with guide rod (3) by nut (9).
The utility model makes thermosensitive element go deep into the temperature zone owing to adopted extension socket, the temperature-sensitive better effects if, and the use of turriform biasing spring and spring deck has further improved the stability of guide rod, can avoid spring to be distorted.
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a butterfly aliform slide block plane structure schematic representation.
Below provide embodiment of the present utility model:
Valve body (1) is a foundry goods, add the hexagonal restraint zone, two end processing tube screw threads, be convenient to install, the outside extension socket (2) that connects in valve body (1) bottom, guide rod (3) runs through extension socket (2), and an end of guide rod extends valve body (1) outside, memory alloy spring (4) is housed on it, and memory alloy spring door (4) is fixed on guide rod (3) by spring seat cushion (5) that is connected in the extension socket end and the nut (6) that is connected with guide rod (3) end convolution; The other end of guide rod (3) is positioned at valve body (1) inside, and conventional turriform polarization spring (10) is housed on it.For improving sensitivity and stability, spool (7) is made taper, and spool (7) is linked to each other with butterfly aliform slide block (8), and spool (7) is connected with guide rod (3) by nut (9) with butterfly aliform slide block (8).
Claims (2)
1. marmem intelligence temperature-sensitive control valve, valve body (1), spool (7) and guide rod (3) are arranged, be respectively fitted with memory alloy spring (4) and polarization spring (10) at the two ends of guide rod (3), it is characterized in that: there is extension socket (2) outside, valve body bottom, guide rod (3) extends valve body (1) from extension socket (2), spring seat cushion (5) and the nut (6) that with guide rod (3) end convolution be connected of memory alloy spring by being connected in the extension socket end compresses and is contained on the guide rod, polarization spring (10) be turriform be positioned at valve body (1).
2. marmem intelligence temperature-sensitive control valve according to claim 1, it is characterized in that: spool (7) is taper, spool (7) links to each other with a butterfly aliform slide block (8), and spool (7) is connected with guide rod (3) by nut (9) with butterfly aliform slide block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97236539 CN2318486Y (en) | 1997-07-11 | 1997-07-11 | Intelligence temp.-sensitive controlled valve with shape memory alloy spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97236539 CN2318486Y (en) | 1997-07-11 | 1997-07-11 | Intelligence temp.-sensitive controlled valve with shape memory alloy spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2318486Y true CN2318486Y (en) | 1999-05-12 |
Family
ID=33947375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97236539 Expired - Fee Related CN2318486Y (en) | 1997-07-11 | 1997-07-11 | Intelligence temp.-sensitive controlled valve with shape memory alloy spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2318486Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168410A (en) * | 2016-08-19 | 2016-11-30 | 广东万家乐燃气具有限公司 | A kind of gas heater of anti-fluctuating temperature |
| CN107101002A (en) * | 2017-06-19 | 2017-08-29 | 华帝股份有限公司 | Water-saving type antifreezing valve |
| CN108258983A (en) * | 2017-12-05 | 2018-07-06 | 杭州欣驰能源科技有限公司 | A kind of solar power system |
-
1997
- 1997-07-11 CN CN 97236539 patent/CN2318486Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168410A (en) * | 2016-08-19 | 2016-11-30 | 广东万家乐燃气具有限公司 | A kind of gas heater of anti-fluctuating temperature |
| CN107101002A (en) * | 2017-06-19 | 2017-08-29 | 华帝股份有限公司 | Water-saving type antifreezing valve |
| CN108258983A (en) * | 2017-12-05 | 2018-07-06 | 杭州欣驰能源科技有限公司 | A kind of solar power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |