CN102777647A - Self-operated temperature control valve - Google Patents

Self-operated temperature control valve Download PDF

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Publication number
CN102777647A
CN102777647A CN2011101231828A CN201110123182A CN102777647A CN 102777647 A CN102777647 A CN 102777647A CN 2011101231828 A CN2011101231828 A CN 2011101231828A CN 201110123182 A CN201110123182 A CN 201110123182A CN 102777647 A CN102777647 A CN 102777647A
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CN
China
Prior art keywords
valve
spool
sensitive
ring
temp
Prior art date
Application number
CN2011101231828A
Other languages
Chinese (zh)
Inventor
冯建京
王佳强
Original Assignee
冯建京
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 冯建京 filed Critical 冯建京
Priority to CN2011101231828A priority Critical patent/CN102777647A/en
Publication of CN102777647A publication Critical patent/CN102777647A/en

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Abstract

The invention relates to a self-operated temperature control valve, belonging to the technical field of automatic control of valves. The self-operated temperature control valve is characterized is characterized in that the valve comprises a valve pipe connector, a valve body, a temperature sensor, a positioning spring, a ring guide device, a restoring spring, a retaining ring, a cup-shaped bracket, a spool, a sealing gasket which is embedded into the spool, and the like, the positioning spring acts on the valve pipe connector and the ring guide device, the temperature sensing end of the temperature sensor penetrates through the center hole of the guide device and resists against the guide device, the retaining ring is arranged between the temperature sensor and the spool, the retractable pushrod of the temperature sensor resists against the spool through the cup-shaped bracket to open and close the valve, the connected parts of the cup-shaped bracket and the spool penetrate through the retaining ring, the restoring spring acts on the retaining ring and the cup-shaped bracket behind the spool, and when a water inlet is arranged at the opening and closing end of the valve and a water outlet is arranged at the other end of the valve, the valve can control temperature and pressure at the same time; and on the contrary, i.e. when the water outlet is arranged at the opening and closing end of the valve and the water inlet is arranged at the other end of the valve, the valve only controls the temperature.

Description

A kind ofly carry out pressure controlled self-supporting temperature control valve
Technical field
The present invention relates to a kind of pressure controlled self-supporting temperature control valve that carries out, belong to valve automatic control technology field.
Background technique
In people's productive life, often need control hydraulic system, for example: in the antifreeze application of water system, need before water-ice freezes, open valve automatically, bleed off low temperature water to reach the antifreeze purpose of system according to setting temperature according to temperature; In the draining system of vapour system,, need utilize a part of sensible heat in the water of condensation, open valve automatically being lower than under a certain setting temperature of saturation temperature, carry out hydrophobic water of condensation for reaching the purpose of practicing thrift heat energy.The negotiability of thermostat valve determined valve can back-up system size, valve negotiability deficiency will cause system's cisco unity malfunction or system cost to raise.
In addition; Some application is controlled temperature, also need control pressure simultaneously: in the draining system like vapour system, when vapor pressure increases unusually; When the saturation temperature of steam significantly improves thereupon; If only according to the temperature opening/shutting valve that configures, will gather a large amount of water of condensation that surpass the expectation in the system and can not get discharging, this will influence the proper functioning of system.And for example: in the solar water-heating system, need temperature control, also need simultaneously the heat storage tank internal pressure is controlled, otherwise heat storage tank can expand and be damaged under HTHP to water in the heat storage tank.
Summary of the invention
Provide a kind of simple in structurely in main purpose of the present invention, can control temperature and pressure simultaneously, after intake-outlet is exchanged use, can control the self-supporting temperature control valve of temperature again separately.
Technological scheme of the present invention realizes that like this valve comprises:
The valve tube fitting, valve body, temp-sensitive apparatus, retaining spring, annular guiding device, return spring; Back-up ring, cup-shaped carriage, spool and embedding gasket seal wherein etc.; The valve tube fitting is connected through thread seal with valve body, and the valve body inner chamber is provided with temp-sensitive apparatus, and retaining spring acts on valve tube fitting and the annular guiding device; This guiding device can endwisely slip and is limited on the limited step of valve body inwall along the valve body inwall; The temperature-sensitive end of temp-sensitive apparatus passes the center hole of annular guiding device and it is withstood, and a back-up ring is set between temp-sensitive apparatus and the spool, and back-up ring is positioned on the positioning step of valve body front end; The telescopic push rod of temp-sensitive apparatus withstands the spool opening/shutting valve through cup-shaped carriage; The back-up ring center hole is passed at the connection position of cup-shaped carriage and spool, and return spring acts on the back-up ring and cup-shaped carriage of spool back
If as water inlet, the other end is as water outlet with the valve opening and closing end, the both ends of the surface pressure difference is greater than valve retaining spring and return spring pressure difference outside the valves in-core; Spool can be pushed away valve port by system pressure; Valve is opened, and the pressure at two ends difference is reduced to and is not enough to open valve outside the valves in-core, and valve is closed immediately; So move in circles, valve external and internal pressure difference is remained within the certain numerical value; Work as valve closing, valve external and internal pressure difference is not enough to open valve, if this moment, the temp-sensitive apparatus temperature sensor was lower than setting temperature; The temp-sensitive apparatus temperature sensor structure shrinks, and return spring pushes back temp-sensitive apparatus to the temp-sensitive apparatus push rod, and spool leaves valve port; Valve is opened, and when the temp-sensitive apparatus temperature sensor was higher than setting temperature, the temp-sensitive apparatus temperature sensor structure expanded; Spool is pushed back valve port by the temp-sensitive apparatus push rod, and valve is closed, and valve has just been realized the dual control to pressure and temperature like this.
If the valve entery and delivery port is exchanged use; Be that the valve opening and closing end is as water outlet; The other end is as water inlet; This moment, keying and valve retaining spring and return spring pressure and the pressure difference thereof of valve did not have direct relation, so can be according to the system pressure opening/shutting valve, and only can be according to the temperature sensor opening/shutting valve; If this moment, the temp-sensitive apparatus temperature sensor was lower than setting temperature, the temp-sensitive apparatus temperature sensor structure shrinks, and return spring pushes back temp-sensitive apparatus to the temp-sensitive apparatus push rod; Spool leaves valve port; Valve is opened, and when the temp-sensitive apparatus temperature sensor was higher than setting temperature, the temp-sensitive apparatus temperature sensor structure expanded; Spool is pushed back valve port by the temp-sensitive apparatus push rod, and valve is closed.
The invention has the beneficial effects as follows: realized to control temperature and pressure simultaneously, behind transposing valve entery and delivery port, can only control the self-supporting temperature control valve of temperature again; In addition, the special construction of valve opening and closing part has been eliminated the flow bottleneck of valve, under the certain situation of valve body inner chamber radial dimension, has significantly improved the negotiability of valve, has reduced product cost.
Description of drawings
According to these characteristics of the present invention, will be from below with reference to specifying the accompanying drawing.
Fig. 1 can carry out the structural representation of pressure controlled self-supporting temperature control valve opening state for the present invention, in the accompanying drawing:
1 valve tube fitting, 2 valve bodies, 3 annular guiding devices, 4 protruding structures; 5 push rods, 6 return springs, 7 back-up rings, 8 spools; 9 annular protrusion structures, 10 valve opening and closing ends, 11 gasket seals, 12 protruding structures; 13 cup-shaped carriages, 14 temp-sensitive apparatuss, 15 limited steps, 16 retaining springs.When the valve tube fitting as water outlet, the valve opening and closing end is during as water intake, valve uses as carrying out pressure controlled thermostat valve; When entery and delivery port is exchanged, promptly the valve tube fitting is as water intake, and the valve opening and closing end is during as water outlet, and valve only uses as thermostat valve.
Embodiment
Below will describe General Principle of the present invention and characteristic through example, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
Fig. 1 can carry out the structural representation of pressure controlled self-supporting temperature control valve for the present invention.As shown in Figure 1:
Retaining spring (16) acts on valve tube fitting (1) and the annular guiding device (3); Annular guiding device (3) has a plurality of water channels of crossing; Allow medium (water) to flow through; Guiding device (3) is provided with protruding structure (4) towards temp-sensitive apparatus (14) one ends; Said protruding structure (4) makes crossing of annular guiding device (3) keep medium (water) free air space fully between water channel and the temp-sensitive apparatus (14); This guiding device (3) can endwisely slip and is limited on the limited step (15) of valve body inwall along valve body (2) inwall, and the temperature-sensitive end of temp-sensitive apparatus (14) passes the center hole of annular guiding device (3) and it is withstood, and between temp-sensitive apparatus (14) and the spool (8) back-up ring (7) is set; Back-up ring (7) is positioned on the positioning step of valve body (3) front end; The telescopic push rod of temp-sensitive apparatus (5) withstands spool (8) through cup-shaped carriage (13), and cup-shaped carriage (13) passes back-up ring (7) center hole with the connection position of spool (8), and return spring (6) acts on the back-up ring (7) and cup-shaped carriage (13) of spool (8) back; Back-up ring (7) is used for guide spool (11) along back-up ring (7) the center hole opening/shutting valve that endwisely slips; Said back-up ring (7) has a plurality of water channels of crossing, and allows medium (water) to flow through, and said spool (8) leans on back-up ring (7) one end ring to be wound with protruding structure (12); Said protruding structure (12) also can make when lifting fully at spool (8) and keep medium (water) free air space fully between back-up ring (7) and the spool (8); Guarantee valve flow, said valve body opens and closes end (10) and is provided with annular projection structure (9) towards gasket seal (11) one ends, is convenient to open and close between end (10) and the gasket seal (11) form reliable sealing.
This product working principle is following:
In the accompanying drawing with valve opening and closing end (10) as water intake; The other end is worked as valve closing as water out, when the both ends of the surface pressure difference is greater than valve retaining spring (16) and return spring (6) pressure difference inside and outside the valve spool (8); Spool (8) is pushed away valve port rapidly, and valve is opened; Be not enough to open valve when valve external and internal pressure difference is reduced to, valve is closed immediately, so moves in circles, and valve external and internal pressure difference is remained under the certain numerical value; Work as valve closing, valve external and internal pressure difference is not enough to open valve, if this moment, the temp-sensitive apparatus temperature sensor was lower than setting temperature; The temp-sensitive apparatus temperature sensor structure shrinks, and return spring (6) pushes back temp-sensitive apparatus to temp-sensitive apparatus push rod (5), and spool (8) leaves valve port; Valve is opened; When the temp-sensitive apparatus temperature sensor was higher than setting temperature, the temp-sensitive apparatus temperature sensor structure expanded, and spool (8) is pushed back valve port by temp-sensitive apparatus push rod (5); Valve is closed, thereby has realized in the system the common control to temperature and pressure.
In addition, this valve also can be realized only opening and closing control according to temperature sensor, and does not does not open and close control according to system pressure; Method is: in the accompanying drawing; As water inlet, valve opening and closing end (10) is as water outlet with valve tube fitting (1) one end, and this moment, valve opening and closing and valve retaining spring (16) did not have direct relation with return spring (6) pressure and pressure difference thereof; Therefore can be according to the system pressure opening/shutting valve, and only according to temp-sensitive apparatus temperature sensor opening/shutting valve; If this moment, the temp-sensitive apparatus temperature sensor was lower than setting temperature, the temp-sensitive apparatus temperature sensor structure shrinks, and return spring (6) pushes back temp-sensitive apparatus to temp-sensitive apparatus push rod (5); Spool (8) leaves valve port; Valve is opened, and when the temp-sensitive apparatus temperature sensor was higher than setting temperature, the temp-sensitive apparatus temperature sensor structure expanded; Spool (8) is pushed back valve port by temp-sensitive apparatus push rod (5), and valve is closed.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. one kind can be carried out pressure controlled self-supporting temperature control valve, it is characterized in that:
Valve comprises valve tube fitting (1), valve body (2), temp-sensitive apparatus (14), retaining spring (16), annular guiding device (3), return spring (6); Back-up ring (7); Cup-shaped carriage (13), spool (8) and embedding gasket seal (11) wherein etc., retaining spring (16) acts on valve tube fitting (1) and the annular guiding device (3); The temperature-sensitive end of temp-sensitive apparatus (14) passes the center hole of annular guiding device (3) and props up guiding device (3); This guiding device (3) can endwisely slip and is limited on the limited step (15) of valve body inwall along valve body (2) inwall, between temp-sensitive apparatus (14) and the spool (8) back-up ring (7) is set, and the telescopic push rod of temp-sensitive apparatus (5) withstands spool (8) through cup-shaped carriage (13); Back-up ring (7) is passed at the connection position of cup-shaped carriage and spool; Back-up ring (7) is positioned on the positioning step of valve body (2) front end, and return spring (6) acts on the back-up ring (7) and cup-shaped carriage (13) of spool back, when water intake is located at valve opening and closing end (10); Water outlet is located at the valve the other end, and valve can be controlled temperature, pressure simultaneously; When entery and delivery port is exchanged, promptly valve opening and closing end (10) is as water outlet, and the other end is during as water intake, and valve is only controlled temperature.
2. according to claim 1ly carry out pressure controlled self-supporting temperature control valve; It is characterized in that; Said back-up ring (7) has center hole, is used for guide spool (8) opening/shutting valve that slides vertically, and back-up ring (7) has a plurality of water channels of crossing; Allow medium (water) to flow through; Between back-up ring (7) and the spool (8) annular projection structure (12) is arranged, said annular projection structure (12) also can make when lifting fully at spool (8) and keep enough spaces between back-up ring (7) and the spool (8), guarantees valve flow.
3. according to claim 1ly carry out pressure controlled self-supporting temperature control valve; It is characterized in that; Said annular guiding device (3) has a plurality of water channels of crossing; Be provided with protruding structure (4) towards temp-sensitive apparatus (14) one ends; Said protruding structure (4) makes the abundant free air space of maintenance between water channel and the temp-sensitive apparatus (14) of crossing of annular guiding device (3), and this guiding device (3) can endwisely slip and is limited on the limited step (15) of valve body inwall along valve body (2) inwall.
4. according to claim 1ly carry out pressure controlled self-supporting temperature control valve; It is characterized in that; Said valve opening and closing end (10) is provided with annular protrusion structure (9) towards gasket seal (11) one sides, helps forming reliable sealing between valve opening and closing end (10) and the gasket seal (11).
5. according to claim 1ly carry out pressure controlled self-supporting temperature control valve, it is characterized in that said valve body (2) is processed single part.
CN2011101231828A 2011-05-13 2011-05-13 Self-operated temperature control valve CN102777647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011101231828A CN102777647A (en) 2011-05-13 2011-05-13 Self-operated temperature control valve

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Application Number Priority Date Filing Date Title
CN2011101231828A CN102777647A (en) 2011-05-13 2011-05-13 Self-operated temperature control valve

Publications (1)

Publication Number Publication Date
CN102777647A true CN102777647A (en) 2012-11-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105308375A (en) * 2013-06-20 2016-02-03 株式会社岛津制作所 Pressure control valve and control valve

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356202A1 (en) * 1973-11-10 1975-05-15 Baumeister Kosmos Armaturen Bang bang valve with temperature sensor - sensor actuates valve with magnetically controlled open and closed positions
DE2537033A1 (en) * 1975-08-20 1977-02-24 Oventrop Sohn Kg F W Thermostat for heater valve flow control - has spring biased expanding plunger and stem moving valve disc towards seat
JPS56134680A (en) * 1980-03-26 1981-10-21 Tlv Co Ltd Temperature control valve
CN2041016U (en) * 1988-12-08 1989-07-12 张念东 Pot type temp. autocontrolled water-heater
CN1038867A (en) * 1988-06-09 1990-01-17 德博·米歇尔 Temperature controlling valve device in the pipe-line for conveying liquids
CN2092117U (en) * 1991-03-07 1992-01-01 甘肃省科学院自然能源研究所 Valve with flow changeable with temp
CN101725717A (en) * 2008-10-30 2010-06-09 卡莱菲公司 Antifreezing valve device for hydraulic and/or water storage systems
CN202048253U (en) * 2011-05-13 2011-11-23 冯建京 Self-operated temperature control valve with pressure control function

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356202A1 (en) * 1973-11-10 1975-05-15 Baumeister Kosmos Armaturen Bang bang valve with temperature sensor - sensor actuates valve with magnetically controlled open and closed positions
DE2537033A1 (en) * 1975-08-20 1977-02-24 Oventrop Sohn Kg F W Thermostat for heater valve flow control - has spring biased expanding plunger and stem moving valve disc towards seat
JPS56134680A (en) * 1980-03-26 1981-10-21 Tlv Co Ltd Temperature control valve
CN1038867A (en) * 1988-06-09 1990-01-17 德博·米歇尔 Temperature controlling valve device in the pipe-line for conveying liquids
CN2041016U (en) * 1988-12-08 1989-07-12 张念东 Pot type temp. autocontrolled water-heater
CN2092117U (en) * 1991-03-07 1992-01-01 甘肃省科学院自然能源研究所 Valve with flow changeable with temp
CN101725717A (en) * 2008-10-30 2010-06-09 卡莱菲公司 Antifreezing valve device for hydraulic and/or water storage systems
CN202048253U (en) * 2011-05-13 2011-11-23 冯建京 Self-operated temperature control valve with pressure control function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105308375A (en) * 2013-06-20 2016-02-03 株式会社岛津制作所 Pressure control valve and control valve

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Application publication date: 20121114

C02 Deemed withdrawal of patent application after publication (patent law 2001)