CN208907507U - Liquefied gas temperature-control safety valve - Google Patents
Liquefied gas temperature-control safety valve Download PDFInfo
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- CN208907507U CN208907507U CN201821766852.1U CN201821766852U CN208907507U CN 208907507 U CN208907507 U CN 208907507U CN 201821766852 U CN201821766852 U CN 201821766852U CN 208907507 U CN208907507 U CN 208907507U
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- temperature
- valve
- valve body
- controlled safe
- temperature controlled
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Abstract
The utility model discloses a kind of liquefied gas temperature-control safety valves, including, temperature controlled safe valve body, the side of temperature controlled safe valve body is equipped with pressure reducing valve, the side of pressure reducing valve is equipped with function of temperature control module, the top of function of temperature control module is provided with solenoid valve functional module, and electromagnetic coil is equipped on the inside of solenoid valve functional module, is equipped with electromagnetic core in the middle part of solenoid valve functional module;The two sides of electromagnetic core bottom end are equipped with the first circlip;The inside of function of temperature control module is equipped with temperature-sensing element, the inside of housing is equipped with the second magnet and the first circlip, and function of temperature control module is mounted on the outside of outer valve rod, and the inside of outer valve rod is equipped with inner valve stem, the top of inner valve stem is equipped with the first magnet, and the bottom end of inner valve stem is equipped with valve port pad;The inside of temperature controlled safe valve body is equipped with spool, and spool is equipped with sealing ring and vented platen;One end of temperature controlled safe valve body is equipped with outlet passageway, and the other end of temperature controlled safe valve body is equipped with inlet channel.
Description
Technical field
The utility model relates to machinery field more particularly to LPG valve, especially a kind of liquefied gas temperature-control safety valve.
Background technique
With the development of petro chemical industry, liquefied petroleum gas is being occupied as a kind of chemical industry base stock and New-type fuel
During the people's livelihood is living using more and more extensive, liquefied petroleum gas is a kind of combustible material, and content reaches a certain concentration range in air
When, it meets open fire and explodes, although many occasions using LPG cyoinders are fitted with liquefaction air valve, structure letter now
It is single, it has a single function, only has the function of decompression, the multiple functions such as anti-leak, anti-kindling can not be played, practicability is poor, safe
Property is lower.
Utility model content
The purpose of this utility model is to provide liquefied gas temperature-control safety valves, to solve mentioned above in the background art ask
Topic.
The utility model proposes a kind of liquefied gas temperature-control safety valves, including, temperature controlled safe valve body, pressure reducing valve, outlet are logical
Road, outer valve rod, function of temperature control module, solenoid valve functional module, inlet channel, handwheel, solenoid valve casing, electromagnetic coil, electromagnetism
Iron core, pedestal, the first circlip, the first magnet, inner valve stem, valve port pad, spring, housing, the second magnet, the first circlip, temperature-sensitive member
Part, gasket, spool, sealing ring, vented platen, the side of the temperature controlled safe valve body is equipped with the pressure reducing valve, described to subtract
The side of pressure valve is equipped with the function of temperature control module, and the top of the function of temperature control module is provided with the solenoid valve function mould
Block is equipped with the electromagnetic coil on the inside of the solenoid valve functional module, is equipped in the middle part of the solenoid valve functional module
The electromagnetic core, electromagnetic coil and electromagnetic core form telescoping electromagnetic iron;
The two sides of the electromagnetic core bottom end are equipped with first circlip;The inside of the function of temperature control module is equipped with
The temperature-sensing element, the inside of the housing are equipped with second magnet and first circlip, the function of temperature control module peace
Mounted in the outside of the outer valve rod, the inside of the outer valve rod is equipped with the inner valve stem, and the top of the inner valve stem is equipped with
First magnet, the bottom end of the inner valve stem are equipped with the valve port pad;The inside of the temperature controlled safe valve body is equipped with
The spool, the spool are equipped with the sealing ring and the vented platen;One end of the temperature controlled safe valve body is equipped with
The outlet passageway, the other end of the temperature controlled safe valve body are equipped with the inlet channel, one end of the inlet channel
It is fixedly connected with the handwheel.
Further, temperature-sensing element is made using temperature shape memory alloy, using temperature shape memory alloy in temperature
Deformation generates the thrust of external valve rod when raising, and when environment temperature reaches 60 DEG C ± 3 DEG C, the outer valve rod of driving is mobile, outer valve rod band
Ovable valve stem movement, closes valve, and valve is automatically closed without external force, closes gas source.
Further, the outside of the temperature controlled safe valve body is equipped with fuel gas alarm, the fuel gas alarm, packet
It includes, at least one action signal output end passes through between the action signal output end and the control terminal of solenoid valve functional module
Control line communication connection.When gas leakage occurs, fuel gas alarm detects that fuel gas is exceeded, then with liquefied gas temperature control
Safety valve linkage, so that the electromagnetic core in solenoid valve functional module pushes outer valve rod, rapid-closure damper, to close gas source.
The fuel gas alarm uses fuel gas alarm in the prior art, as Shenzhen Yongchang reaches the YK- that Electronics Co., Ltd. sells
818 types.Since those skilled in the art have been well known the technical principle and technical solution of fuel gas alarm, therefore applicant exists
This is repeated no more.
Further, electromagnetic coil is powered using 12V DC electricity, and safe operation is reliable.
Further, the temperature-control safety valve body housing is integrally formed design.
Further, the temperature controlled safe valve body is cooperated based on the magnet of inside and outside valve rod, and structure is simple, and engaging is secured,
It is easy to implement the manual switch of temperature controlled safe valve body, the closing and unlatching of valve can be realized by lifting or pressing, safety
Reliably, time saving and energy saving.
Further, the temperature controlled safe valve body is isolated by the outer valve rod, function of temperature control module and electromagnetism
Except valve functional module entirety is independently of temperature controlled safe valve body, it is not directly contacted with the medium in pipeline, has prevented operating
Dielectric leakage when valve opening or closing.
Further, the vertical section length of the spool is three times of the inlet channel and the outlet passageway diameter.
Further, easy to operate with filter screen snap-fit inside the inlet channel, facilitate installation, disassembly and
Replacement, filter screen can be filtered liquefied gas, ensure that the cleanliness of outlet, simple and practical, improve efficiency of combustion
Meanwhile also avoiding burner and being contaminated, reduce the later period clean-up intensity of user.
Compared with prior art, the utility model has the beneficial effects that the utility model collection quick closing valve function, catch fire heating from
It closes function and leakage function of self closing is integrated, in stopping gas, only need to gently lift solenoid valve casing or housing, can keep away
Accident potential caused by exempting from user due to negligence forgets to close cylinder angle valve or be not closed completely, it is safe and reliable, time saving and energy saving;
The utility model respectively drives inner valve stem using solenoid valve functional module and temperature shape memory alloy, can it is excessively high in temperature or
Automatic-closing valve when person's fuel gas alarm detects gas leakage prevents from causing explosion accident.
Detailed description of the invention
Fig. 1 is the external schematic view of the front view of liquefied gas temperature-control safety valve;
Fig. 2 is the schematic diagram of the section structure of liquefied gas temperature-control safety valve;
Fig. 3 is the circuit diagram between liquefied gas temperature-control safety valve and fuel gas alarm;
In appended drawing reference: 1- temperature controlled safe valve body;2- pressure reducing valve;3- outlet passageway;The outer valve rod of 4-;5- temperature function mould
Block;6- solenoid valve functional module;7- inlet channel;8- filter screen;9- handwheel (threaded);10- solenoid valve casing;11- electromagnetism
Coil;12- electromagnetic core;13- pedestal;The first circlip of 14-;The first magnet of 15-;16- inner valve stem;17- valve port pad;18- spring;
19- housing;The second magnet of 20-;The second circlip of 21-;22- temperature-sensing element;23- gasket;24- spool;25- sealing ring;26- ventilation
Pressing plate, 27- fuel gas alarm.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 ~ 3 are please referred to, the utility model provides a kind of technical solution: liquefied gas temperature-control safety valve, including temperature controlled safe
Valve body (1), the side of temperature controlled safe valve body (1) are equipped with pressure reducing valve (2), and the side of pressure reducing valve (2) is equipped with temperature control function
Can module (5), the top of function of temperature control module (5) is provided with solenoid valve functional module (6), solenoid valve functional module (6) it is interior
Side is equipped with electromagnetic coil (11), electromagnetic core (12), and electromagnetic core (12) bottom end is equipped with the first circlip (14);Function of temperature control
The inside of module (5) is equipped with temperature-sensing element (22), and the inside of housing (19) is equipped with the second magnet (20) and the first circlip (21),
Function of temperature control module (5) is mounted on the outside of outer valve rod (4), and the inside of outer valve rod (4) is equipped with inner valve stem (16), inner valve stem
(16) top is equipped with the first magnet (15), and the bottom end of inner valve stem (16) is equipped with valve port pad (17);
The inside of temperature controlled safe valve body (1) is equipped with spool (24), and spool (24) is equipped with sealing ring (25) and ventilation pressure
Plate (26);One end of temperature controlled safe valve body (1) is equipped with outlet passageway (3), the other end installation of temperature controlled safe valve body (1)
Have inlet channel (7), one end of inlet channel (7) is fixedly connected with handwheel (9), and one end of inlet channel (7) is equipped with filtering
Net (8).
Further, temperature controlled safe valve body (1) is equipped with temperature-sensing element (22), and temperature-sensing element (22) uses temperature shape
Shape memory alloys production.When the temperature rises, the thrust that temperature-sensing element (22) temperature distortion generates, can drive magnetic valve pedestal
(13) mobile;When environment temperature reaches 60 DEG C ± 3 DEG C, temperature-sensing element (22) increases deformation since temperature raises and generates longitudinal
Thrust, under the active force of longitudinal thrust, temperature-sensing element (22) pushes solenoid valve base (13) to move upwards, due to solenoid valve bottom
Seat (13) be connected as one with housing (19), so housing (19) can with the movement of solenoid valve base (13) and together on
It moves, due to the active force of interior external magnet, the first magnet (15) can be moved down together with inner valve stem (16) and valve port pad (17), in bullet
Under the additional forces of spring (18), valve port pad (17) cuts off the channel of spool (24), and gas source is cut off, sensitive efficient, completely
Self-operated type movement, avoids the generation of explosion accident, improves the safety that temperature controlled safe valve body (1) uses.
When original state, the first magnet (15) is located on the inside of the second magnet (20), is mutually sucked by magnetic force.
Further, the outside of temperature controlled safe valve body (1) is equipped with fuel gas alarm (27), fuel gas alarm (27) with
It is electrically connected between the temperature controlled safe valve body (1), when fuel gas alarm (27) monitors combustible gas leakage, combustion gas report
Alert device (27) can be sent a signal to temperature controlled safe valve body (1) immediately, and electromagnetic coil (11) is powered immediately, solenoid valve base
(13) it can be moved up under the action of electromagnetic force with solenoid valve casing (10), since solenoid valve casing (10) is connected with housing (19)
It is integrated, so housing (19) can move up together with the movement of solenoid valve casing (10), at this point, the first magnet (15),
Second magnet (20) generates difference in height in the axial direction, and mutually exclusive face is opposite, therefore, the first magnet (15), the second magnet
(20) mutually exclusive magnetic force is generated, this makes the first magnet (15) can be together with inner valve stem (16) and valve port pad (17) to moving down
It is dynamic, and under the additional forces of spring (18), valve port pad (17) cuts off the channel of spool (24), and gas source is cut off.It is this
Sensitive efficient, high degree of automation is designed, the generation of avoidable explosion accident improves what temperature controlled safe valve body (1) used
Safety.
Further, the outside of temperature controlled safe valve body (1) is equipped with fuel gas alarm (27), fuel gas alarm (27) with
It is electrically connected between electromagnetic coil (11) by 12V DC, 12V DC voltage is the safe voltage lower than 36V, and safe operation can
It leans on.
Further, temperature controlled safe valve body (1) is integrally formed design, beautiful and generous, is simple to manufacture, integral strength
Height, air-tightness is good, long service life.
Further, the magnetic force between the magnet based on inside and outside valve rod influences, and structure is simple, and engaging securely, is easy to implement
Valve can be realized by lifting or pressing solenoid valve casing (10) or housing (19) in the manual switch of temperature controlled safe valve body
It closes and opens, it is securely and reliably, time saving and energy saving.
Further, temperature controlled safe valve body is inside and outside is isolated by outer valve rod (4), function of temperature control module and solenoid valve
Except functional module (6) entirety is independently of temperature controlled safe valve body, it is not directly contacted with the medium in pipeline, has prevented operating
Dielectric leakage when valve opening or closing.
Further, the vertical section length (vertical extension in Fig. 2) of spool (24) be the inlet channel (7) diameter or
Three times of outlet passageway (3) diameter.This design is easy to implement completely cutting through for gas source, avoids leaking, improves temperature control
The leakproofness of safe valve body (1).
Further, snap-fit between inlet channel (7) and filter screen (8), that is, filter screen (8) clamping fixed into
Gas channel (7) is internal, and this design operation is simple, facilitates installation, disassembly and replacement, and filter screen (8) can carry out liquefied gas
Filtering, ensure that the cleanliness of outlet, simple and practical, while improving efficiency of combustion, also avoids burner and is contaminated, and drop
The low later period clean-up intensity of user.
Working principle: the side of this kind of liquefied gas temperature-control safety valve, temperature controlled safe valve body (1) is equipped with pressure reducing valve 2, subtracts
The side of pressure valve (2) is equipped with function of temperature control module (5), and the top of function of temperature control module (5) is provided with solenoid valve functional module
(6), the outside of temperature controlled safe valve body (1) is equipped with fuel gas alarm (27), fuel gas alarm (27) and the temperature controlled safe
Valve body is electrically connected between (1), and when fuel gas alarm (27) monitors combustible gas leakage, fuel gas alarm (27) can be stood
It sends a signal to temperature controlled safe valve body (1), electromagnetic coil (11) is powered immediately, outside solenoid valve base (13) and solenoid valve
Shell (10) can move up under the action of electromagnetic force, due to solenoid valve casing (10) be connected as one with housing (19), so
Housing (19) can move up together with the movement of solenoid valve casing (10), due to the active force of interior external magnet, the first magnet
(15) it can be moved down together with inner valve stem (16) and valve port pad (17), under the additional forces of spring (18), valve port pad (17)
The channel of spool (24) is cut off, gas source is cut off.This design is sensitive efficiently, and high degree of automation avoids explosion accident
Generation, improve the safety that temperature controlled safe valve body (1) uses.
It is equipped on the inside of solenoid valve functional module (6) electromagnetic coil (11), the middle part installation of solenoid valve functional module (6)
Have electromagnetic core (12), the two sides of electromagnetic core (12) bottom end are equipped with the first circlip (14);The inside of function of temperature control module (5)
It is equipped with temperature-sensing element (22), temperature-sensing element (22) is made using temperature shape memory alloy, using generating when the temperature rises
Thrust, driving inner valve stem (16) is mobile, and when environment temperature reaches 60 DEG C ± 3 DEG C, temperature-sensing element (22) is since temperature raises
Increase and generate longitudinal thrust deformation, under the active force of longitudinal thrust, temperature-sensing element (22) push solenoid valve base (13) to
Upper movement, since solenoid valve base (13) is connected as one with housing (19), so housing (19) can be with solenoid valve bottom
The movement of seat (13) and move up together, then by the active force of interior external magnet, the first magnet (15) can together with inner valve stem (16) and
Valve port pad (17) moves down, and under the additional forces of spring (18), valve port pad (17) cuts off the channel of spool (24), gas
Source is cut off, and sensitive efficiently complete self-operated type acts, and is avoided the generation of explosion accident, is improved temperature controlled safe valve body (1)
The safety used.
The inside of housing (19) is equipped with the second magnet (20) and the first circlip (21), and function of temperature control module (5) is mounted on institute
The outside of outer valve rod (4) is stated, the inside of outer valve rod (4) is equipped with inner valve stem (16), and the top of inner valve stem (16) is equipped with first
Magnet (15), the bottom end of inner valve stem (16) are equipped with valve port pad (17);The inside of temperature controlled safe valve body (1) is equipped with spool
(24), spool (24) is equipped with sealing ring (25) and vented platen (26);It is logical that one end of temperature controlled safe valve body (1) is equipped with outlet
Road (3), the other end of temperature controlled safe valve body (1) are equipped with inlet channel (7), and one end of inlet channel (7) is fixedly connected with
Handwheel (9), one end of inlet channel (7) are equipped with filter screen (8), and filter screen (8) can be filtered liquefied gas, ensure that
The cleanliness of outlet, it is simple and practical, while improving efficiency of combustion, also avoids burner and be contaminated, reduce user's
Later period clean-up intensity.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of liquefied gas temperature-control safety valve, including, temperature controlled safe valve body (1), pressure reducing valve (2), outlet passageway (3), outer valve
Bar (4), function of temperature control module (5), solenoid valve functional module (6), inlet channel (7), handwheel (9), solenoid valve casing (10), electricity
Magnetic coil (11), electromagnetic core (12), pedestal (13), the first circlip (14), the first magnet (15), inner valve stem (16), valve port pad
(17), spring (18), housing (19), the second magnet (20), the second circlip (21), temperature-sensing element (22), gasket (23), spool
(24), sealing ring (25), vented platen (26), it is characterised in that: the side of the temperature controlled safe valve body (1) is equipped with described
Pressure reducing valve (2), the side of the pressure reducing valve (2) are equipped with the function of temperature control module (5), the function of temperature control module (5)
Top is provided with the solenoid valve functional module (6), is equipped with the electromagnetic coil on the inside of the solenoid valve functional module (6)
(11), it is equipped with the electromagnetic core (12) in the middle part of the solenoid valve functional module (6), electromagnetic coil (11) and electromagnetic core
(12) telescoping electromagnetic iron is formed;
The two sides of electromagnetic core (12) bottom end are equipped with first circlip (14);The function of temperature control module (5) it is interior
Portion is equipped with the temperature-sensing element (22), and the inside of the housing (19) is equipped with second magnet (20) and second circlip
(21), the function of temperature control module (5) is mounted on the outside of the outer valve rod (4), and the inside installation of the outer valve rod (4) is
It states inner valve stem (16), the top of the inner valve stem (16) is equipped with first magnet (15), the bottom end of the inner valve stem (16)
The valve port pad (17) is installed;The inside of the temperature controlled safe valve body (1) is equipped with the spool (24), the spool
(24) sealing ring (25) and the vented platen (26) are housed;One end installation of the temperature controlled safe valve body (1) is
It states outlet passageway (3), the other end of the temperature controlled safe valve body (1) is equipped with the inlet channel (7), the inlet channel
(7) one end is fixedly connected with the handwheel (9).
2. liquefied gas temperature-control safety valve according to claim 1, it is characterised in that: temperature-sensing element (22) is remembered by temperature shape
Recall alloy to be made.
3. liquefied gas temperature-control safety valve according to claim 1, it is characterised in that: the temperature controlled safe valve body (1)
Outside is equipped with fuel gas alarm, the fuel gas alarm, including, at least one action signal output end, action signal output
Pass through control line communication connection between end and the control terminal of solenoid valve functional module (6).
4. liquefied gas temperature-control safety valve according to claim 1, it is characterised in that: the temperature controlled safe valve body (1) is outside
Shell is integrally formed.
5. liquefied gas temperature-control safety valve according to claim 1, it is characterised in that: pass through institute inside and outside temperature controlled safe valve body
State outer valve rod (4) isolation, function of temperature control module (5) and solenoid valve functional module (6) be independently mounted at temperature controlled safe valve body it
Outside.
6. liquefied gas temperature-control safety valve according to claim 1, it is characterised in that: the vertical section length of the spool (24)
It is three times of the inlet channel (7) or the outlet passageway (3) diameter.
7. liquefied gas temperature-control safety valve according to claim 1, it is characterised in that: the interior installation of the inlet channel (7)
There are filter screen (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821766852.1U CN208907507U (en) | 2018-10-30 | 2018-10-30 | Liquefied gas temperature-control safety valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821766852.1U CN208907507U (en) | 2018-10-30 | 2018-10-30 | Liquefied gas temperature-control safety valve |
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Publication Number | Publication Date |
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CN208907507U true CN208907507U (en) | 2019-05-28 |
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ID=66614576
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CN201821766852.1U Active CN208907507U (en) | 2018-10-30 | 2018-10-30 | Liquefied gas temperature-control safety valve |
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CN (1) | CN208907507U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109084077A (en) * | 2018-10-30 | 2018-12-25 | 上海喆焰能源科技有限公司 | A kind of liquefied gas temperature-control safety valve |
-
2018
- 2018-10-30 CN CN201821766852.1U patent/CN208907507U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109084077A (en) * | 2018-10-30 | 2018-12-25 | 上海喆焰能源科技有限公司 | A kind of liquefied gas temperature-control safety valve |
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