CN201155617Y - Temperature regulating valve - Google Patents
Temperature regulating valve Download PDFInfo
- Publication number
- CN201155617Y CN201155617Y CNU2008200834821U CN200820083482U CN201155617Y CN 201155617 Y CN201155617 Y CN 201155617Y CN U2008200834821 U CNU2008200834821 U CN U2008200834821U CN 200820083482 U CN200820083482 U CN 200820083482U CN 201155617 Y CN201155617 Y CN 201155617Y
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- China
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- valve
- valve body
- temperature
- medium
- regulating device
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- Temperature-Responsive Valves (AREA)
Abstract
The utility model relates to a temperature adjusting valve that comprises a valve body, an upper valve body, a valve cover, a valve holder and a pressure regulating device. The upper valve body is arranged on the upper part of the valve body. The upper part of the valve body is provided with the valve cover. The pressure regulating device is arranged in the upper valve body. An adjusting mechanism is provided with a thermal element. A spring is installed on the adjusting mechanism. The lower part of the pressure regulating device is provided with a valve clack. The valve holder is arranged under the valve clack. The utility model has the beneficial effects that the thermal element is used to control a director and the controller is used to operate the adjusting valve. The operational capacity of the temperature adjusting valve has not only the absorption function of the thermal element and but also the function of medium adjustment. The output signal of the control director of the thermal element has little loading, so the service life of the element is long. However, higher requirement for the medium is required. The opening of the valve clack is automatically controlled by the medium in a valve, thus changing the flow direction of the medium. The temperature sensing element of the temperature adjusting valve is made of NiTi alloy and optimization design is adopted for the spring of the adjusting mechanism.
Description
Technical field
The utility model is applied to enterprises such as thermoelectricity, iron and steel, petrochemical industry, relates generally to a kind of pressure controlled valve, mainly is that a kind of temperature is adjusted valve.
Background technique
The tradition self force type temperature regulating valve is according to the principle work of heated liquid volumetric expansion.The temperature detection element thermometer bulb inserts in the measured medium, and when temperature raise, the working solution volume sharply increased in the thermometer bulb.Make the increased pressure of sealing room, promote spring to bottom offset, thereby promotion valve rod, flap move, close minor valve, the measured medium temperature is drawn close to setting value, flap just rests on new position, i.e. the displacement of flap is proportional to measured medium variation of temperature amount, forms certain ratio control characteristic.Such heat-operated valve is directly to rely on the expansive force of temperature sensing material in the thermosensitive element to drive valve opening, is characterized in simple in structure.But the influence that such modulating valve power of closing is regulated pressure medium is bigger, and valve position is fluctuation to some extent with pressure surge, and medium temperature is variant in the temperature of measured point and the valve, and temperature control precision is restricted.In addition, such valve can only come the aperture of regulating valve according to temperature, and can not change the flow direction of medium according to the variation of medium temperature.Some steel mill's pipe-line system when the working medium temperature changes, needs to change the flow line direction of medium, is irrealizable by general heat-operated valve.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, provides a kind of rational in infrastructure, function admirable, and the temperature that cost of production is low is adjusted valve.
The utility model solves the technological scheme that its technical problem adopts: this temperature is adjusted valve, mainly comprise valve body, upper valve body, valve gap, valve seat and pressure-regulating device, described valve body top is equipped with upper valve body, upper valve body top is equipped with valve gap, be provided with pressure-regulating device in the upper valve body, regulating mechanism is provided with thermosensitive element, and spring is installed on the regulating mechanism, flap is equipped with in the bottom of pressure-regulating device, and flap has valve seat.
Described pressure-regulating device is two, is communicated with different outlets respectively.
Spring on the described regulating mechanism is a dual spring mechanism.
Described thermosensitive element is that NiTi is a marmem.
The effect that the utility model is useful is: utilize pilot valve of thermosensitive element control, and adjust valve work by the pilot valve operation.The function that the operation power of this type of self-powering type temperature adjustment valve not only has thermosensitive element to absorb, the function of regulating medium in addition.The output signal of thermosensitive element control pilot valve, load is less, the element long service life, but have relatively high expectations to regulating medium.In regulating the pure environment of medium, use this type of valve can improve temperature control precision effectively.Aperture by the medium temperature in the valve is come the autocontrol valve lobe when medium reaches a certain setting temperature, accurately changes the flow direction of medium.Temperature is adjusted the heat responsive element design of valve and is selected the NiTi alloy for use, and the spring of controlling mechanism has been carried out optimal design, has satisfied the needs of actual conditions fully, can be according to the variation change medium runner direction promptly and accurately of medium temperature.It is reasonable in design that this temperature is adjusted valve, can substitute similar imported product, reduces production costs.
Description of drawings
Fig. 1 is a main TV structure schematic representation of the present utility model.
Fig. 2 is a side-looking structural representation of the present utility model.
Description of reference numerals: valve seat 1, valve body 2, flap 3, positioning ring 4, upper valve body 5, valve gap 6, pressure-regulating device 7, thermosensitive element 8, spring 9.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in the figure, this temperature is adjusted valve, mainly comprise valve body 2, upper valve body 5, valve gap 6, valve seat 1 and pressure-regulating device 7, valve body 2 tops are equipped with upper valve body 5, upper valve body 5 tops are equipped with valve gap 6, be provided with pressure-regulating device 7 in the upper valve body 5, pressure-regulating device 7 is two, and running is communicated with different outlets respectively, regulating mechanism 7 is provided with thermosensitive element 8, spring 9 is installed on the regulating mechanism 7, and spring 9 is a dual spring mechanism, and adopts linear programming technique, this method is simple, quick and numerical solution is stable, has the characteristic of optimal solution.Flap 3 is equipped with in the bottom of pressure-regulating device 7, and flap 3 has valve seat 1, is provided with positioning ring 4 in the valve seat 1, is used to locate the position of flap 3, keeps being in the valve body 2 of flap 3, and thermosensitive element 8 is a marmem for NiTi.
Marmem has temperature-sensitive and drives two kinds of functions, is a kind of heat sensitive material of function admirable.During temperature variation, the power that alloying element produces action be between the parent phase that takes place in the alloy and the martensite just, reverse that to become this transformation be a kind of shear process of not having diffusion.Two-phase remains the coherence relation when changing, i.e. thermoelasticity martensite, and it has one way and double-deck memory effect.At present, find that the alloy with memory effect has tens of kinds more than, what can come into operation mainly is NiTi and copper base alloy two big classes.From parameters such as density, resistance, tensile strength, specific elongation, one way shape recovery ratio, two-way shape-recovery rate, maximum recovery stress relatively, the NiTi alloy property obviously is better than the CuZnAl alloy, in heat-operated valve, thermosensitive element 8 bears big load, so select for use the NiTi alloy as temperature sensing material during product design and development.
Temperature control valve (TCV) is according to the principle work of heated liquid volumetric expansion, is directly to rely on the expansive force of temperature sensing materials in the thermosensitive element 8 to drive valve opening.Medium flows in the valve from the A port, and when temperature raise, the working solution volume sharply increased in the thermometer bulb, make the increased pressure of sealing room, promote spring 9 to bottom offset, thereby promote pressure-regulating device 7, flap 3 moves, and closes minor valve, the measured medium temperature is drawn close to setting value, flap 3 just rests on new position, i.e. the displacement of flap 3 is proportional to measured medium variation of temperature amount, forms certain ratio control characteristic.When medium temperature reached 55 ℃, flap 3 came into operation, and controlling mechanism reached maximum opening 20mm when medium temperature reached 74 ℃, and thermosensitive element 8 thermal hysteresis amounts are less than 1 ℃.When medium temperature is not more than 55 ℃, MEDIA FLOW to be B to, when medium temperature surpasses 55 ℃, medium shunt to C to.B, C port such as are at the latus rectum pipeline, and the rising of shunt volume and temperature is approximately linear and changes.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1, a kind of temperature is adjusted valve, mainly comprise valve body (2), upper valve body (5), valve gap (6), valve seat (1) and pressure-regulating device (7), it is characterized in that: described valve body (2) top is equipped with upper valve body (5), upper valve body (5) top is equipped with valve gap (6), be provided with pressure-regulating device (7) in the upper valve body (5), regulating mechanism (7) is provided with thermosensitive element (8), spring (9) is installed on the regulating mechanism (7), flap (3) is equipped with in the bottom of pressure-regulating device (7), and flap (3) has valve seat (1).
2, temperature according to claim 1 is adjusted valve, and it is characterized in that: described pressure-regulating device (7) is two, is communicated with different outlets respectively.
3, temperature according to claim 1 is adjusted valve, it is characterized in that: be provided with positioning ring (4) in the described valve seat (1).
4, temperature according to claim 1 is adjusted valve, it is characterized in that: the spring (9) on the described regulating mechanism (7) is dual spring mechanism.
5, temperature according to claim 1 is adjusted valve, and it is characterized in that: described thermosensitive element (8) is a marmem for NiTi.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200834821U CN201155617Y (en) | 2008-02-22 | 2008-02-22 | Temperature regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200834821U CN201155617Y (en) | 2008-02-22 | 2008-02-22 | Temperature regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201155617Y true CN201155617Y (en) | 2008-11-26 |
Family
ID=40103400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200834821U Expired - Lifetime CN201155617Y (en) | 2008-02-22 | 2008-02-22 | Temperature regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201155617Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109118658A (en) * | 2018-07-30 | 2019-01-01 | 台州卓标企业管理咨询有限公司 | A kind of intelligent wireless lock-controlled valve management system design method |
-
2008
- 2008-02-22 CN CNU2008200834821U patent/CN201155617Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109118658A (en) * | 2018-07-30 | 2019-01-01 | 台州卓标企业管理咨询有限公司 | A kind of intelligent wireless lock-controlled valve management system design method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081126 |
|
| CX01 | Expiry of patent term |