CN202125654U

CN202125654U - Automatic hydrogen-discharging pressure release valve

Info

Publication number: CN202125654U
Application number: CN201120179793XU
Authority: CN
Inventors: 李怡华; 王贤瑾; 袁春明
Original assignee: Beijing Branch Of Shanghai Yinda Technology Group Co Ltd
Current assignee: Beijing Branch Of Shanghai Yinda Technology Group Co Ltd
Priority date: 2011-05-31
Filing date: 2011-05-31
Publication date: 2012-01-25
Anticipated expiration: 2021-05-31

Abstract

The utility model discloses an automatic hydrogen-discharging pressure release valve, which comprises a solenoid valve (1), a fixing frame (2), a seal disc (3) and a time relay (4). The solenoid valve (1) comprises a conducting magnetic core (11), an energizing coil (12) and a spring (13). The energizing coil (12) and the spring (13) are both sleeved on the conducting magnetic core (11) in sliding mode, and the spring (13) is located inside the energizing coil (12). The seal disc (3) is fixedly connected with one end of the conducting magnetic core (11). The energizing coil (12) is electrically connected with the time relay (4), when the energizing coil (12) is powered on, the conducting magnetic core (11) drives the seal disc (3) to move under the action of the electromagnetic induction, and then the valve is opened. The automatic hydrogen-discharging pressure release valve is capable of automatically releasing pressure when the power is off and opening the valve through the solenoid valve to exhaust when the power is on, thereby eliminating potential safety hazards.

Description

A kind of automatic row's hydrogen Decompression valves

Technical field

The utility model relates to pressure release technical field in the instrument room, particularly relates to a kind of automatic row's hydrogen Decompression valves.

Background technique

In each big industrial control technology fields such as chemical industry, Aero-Space, medical treatment, electronics, fire fire-fightings, it is too high all can to run into instrument and equipment air pressure inside or hydraulic pressure, needs timely pressure release in case equipment can not normally move or the problem of the accident that meets accident.

Decompression valves is a kind of pressure relief device that is widely used in each big technical field; Generally be installed on the equipment or pipeline of locking system; When equipment or manifold pressure surpass the Decompression valves setting pressure, promptly open pressure release automatically, assurance equipment and pipeline internal medium pressure are under setting pressure; Protection equipment and pipeline prevent accident.

In the prior art, a lot of comparatively ripe releasing pressure automatically control valve units have been arranged, disclose a kind of automatic row's hydrogen Decompression valves like Chinese patent 02243551.4; This Decompression valves mainly is made up of valve body, valve rod, spring and valve gap, and spring one end connects valve gap, and the other end connects valve rod; The seal disc of valve rod lower end is pressed under the effect of spring on the sealing platform in the valve body pressure release passage, seals pressure release passage, when container inner pressure surpasses spring pressure; Seal disc is backed down pressure release; Under spring action, recover sealing state, the precession degree of regulating valve gap, the size that both can regulate pressure release pressure after the pressure release automatically.Need not change parts after this Decompression valves pressure release can work on, easy to use, can be used for water seal arrangement or other gas of gas flame processing, the container or the pipeline of liquid.

Except that above-mentioned patent, also has some other manual control of can not passing through in the existing technology with regard to the self-relieving device of ability.The working mechanism of this type of device all is the seal disc that the pressure in the sealed compartment can back down Decompression valves when big automatically, thus the purpose that gas in the sealed compartment or leaked liquid reach pressure release.But when having produced inflammable gass such as hydrogen, methane in the cabin; Because inflammable gass such as hydrogen, methane are mixed with certain proportion and just might blast in air; Need in time to get rid of; But gas comes the jack-up seal disc to the underpressure that the cabin inwall produces with the elastic force that overcomes spring in the cabin, so the Decompression valves of existing technology can not initiatively discharge this type of inflammable gas, can't solve the potential safety hazard of existence.

The model utility content

The purpose of the utility model is to provide a kind of automatic row's hydrogen Decompression valves, and its Decompression valves that has solved existing technology can't be discharged the technical problem of micro-molecular gas such as hydrogen.

A kind of automatic row's hydrogen Decompression valves for realizing that the utility model purpose provides comprises solenoid valve, fixing frame, seal disc and the time relay; Said solenoid valve comprises conducting magnet core, hot-wire coil and spring, and said hot-wire coil and spring all flip sleeve are connected on the conducting magnet core, and said spring is positioned at hot-wire coil; Said seal disc is fixedly connected with an end of said conducting magnet core; The said hot-wire coil and the said time relay electrically connect, and when said hot-wire coil was switched on, said conducting magnet core drove seal disc and moves under the electromagnetic induction effect, and valve is opened.

Wherein, said fixing frame and said hot-wire coil are for being fixedly connected.

Wherein, said spring is a helical spring.

Wherein, said hot-wire coil comprises coil brace and coil; Said coil is outside said coil brace, and said coil brace is fixedly connected with said fixing frame.

Wherein, said seal disc is a disc-shaped structure, and diameter is greater than 30 millimeters.

Wherein, said fixing frame is a stepped shaft, is used for fixing said Decompression valves.

The beneficial effect of the utility model is: a kind of automatic row's hydrogen Decompression valves of the utility model; Switching through time relay control hot-wire coil; Can play self-relieving effect during outage; Utilize electromagnetic induction principle to make valve open during energising, this type of gas is discharged when can discharge inflammable gas such as hydrogen, eliminate safe hidden trouble at needs.

Description of drawings

Fig. 1 is the sectional structure chart of the solenoid valve of the utility model;

Fig. 2 a is the longitudinal sectional drawing of the fixing frame of the utility model;

Fig. 2 b is the plan view of the fixing frame of the utility model;

Fig. 3 is the sectional drawing of the seal disc of the utility model;

Fig. 4 is the sectional drawing of automatic row's hydrogen Decompression valves when valve closing of the utility model;

Fig. 5 is the sectional drawing of automatic row's hydrogen Decompression valves when valve opening of the utility model.

Embodiment

For the purpose, technological scheme and the advantage that make the utility model is clearer,, a kind of automatic row's hydrogen Decompression valves of the utility model is further described below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

A kind of automatic row's hydrogen Decompression valves of the utility model embodiment comprises solenoid valve 1, fixing frame 2, seal disc 3 and the time relay 4.

As shown in Figure 1, Fig. 1 is the sectional structure chart of the solenoid valve 1 of the utility model.

Said solenoid valve 1 comprises conducting magnet core 11, hot-wire coil 12 and spring 13, and hot-wire coil 12 all is enclosed within on the conducting magnet core 11 with spring 13, and spring 13 is positioned at hot-wire coil 12.

Wherein hot-wire coil 12 comprises coil brace 121 and coil 122.Coil 122 is on coil brace 121; Coil brace 121 is the column construction of a hollow; In the part of the hollow of coil brace 121, be provided with limited post 1211 near conducting magnet core 11; Said limited post 1211 and coil brace 121 be for one is connected, and limited post 1211 is used for preventing that the process in that conducting magnet core 11 slides from waving.One end of spring 13 contacts with limited post 1211.

Conducting magnet core 11 by two radiuses do not wait, coaxial cylindrical body forms, the less cylinder of radius is last, two cylindrical bodys are that one connects.Spring 13 is enclosed within on the less cylinder of the radius of conducting magnet core 11, and slidably, the contact of the other end of spring 13 is than the upper surface of long radius cylinder.The upper surface of the cylinder that radius is bigger is connected with limiting board 111 in the fixed-site near coil brace 121, and said limiting board 111 also is used to limit the horizontal the sphere of activities of conducting magnet core 11, prevents it and in the process of sliding, vacillates now to the left, now to the right.

Coil brace 121 is slidingly connected through sliding connector 113 with conducting magnet core 11.In the middle of the lower end than the cylinder of long radius fixed hole 112 is arranged, be used to insert seal disc 3.

Referring to Fig. 2 a and Fig. 2 b, Fig. 2 a is the longitudinal sectional drawing of the fixing frame 2 of the utility model; Fig. 2 b is the plan view of the fixing frame 2 of the utility model.

Said fixing frame 2 is fixedly connected with the coil brace 121 of hot-wire coil 12, and Placement is an interference fit.

Can Decompression valves be fixed on the sealed compartment through fixing frame 2.

Referring to Fig. 3, Fig. 3 is the sectional drawing of the seal disc 3 of the utility model.

The diameter of said seal disc 3 is greater than 30mm, and when seal disc 3 was opened, the ventilation aperture was bigger, and the discharge of gas or liquid is more smooth and easy.

Said seal disc 3 is fixedly connected with the bigger end of the radius of said conducting magnet core 11, and mode is the fixed hole 112 that the fixing rod 31 of seal disc 3 inserts conducting magnet core 11.

Referring to Fig. 4 and Fig. 5, Fig. 4 is the sectional drawing of automatic row's hydrogen Decompression valves when valve closing of the utility model; Fig. 5 is the sectional drawing of automatic row's hydrogen Decompression valves when valve opening of the utility model.

During no electric circuit, conducting magnet core 11 is owing to the elastic force effect of spring 13, valve closing.After coil 122 energisings, generate an electromagnetic field, conducting magnet core 11 is in the electromagnetic field, is magnetized; Thereby receive the electromagnetic force effect, when electromagnetic force during greater than spring force, conducting magnet core 11 produces and moves; Seal disc 3 also moves thereupon; Valve just is opened, gas leak in the cabin, and the state of Decompression valves is as shown in Figure 5.

After coil 122 outages, magnetic field disappears, and conducting magnet core sets back under the effect of spring force, and valve closing, Decompression valves are in state shown in Figure 4.Behind coil blackout, when the sealed compartment internal pressure greatly to can overcome the elastic force of spring the time, valve also can be opened.

Said hot-wire coil 12 electrically connects with the said time relay 4, because the time relay 4 is a device well known in the art, so present specification repeats no more.

Can pass through the time relay 4 set times, make seal disc 3 in Preset Time, move, as setting energising in per four hours two minutes, the setting of concrete time can be confirmed by those skilled in the art according to actual needs.

The Decompression valves of the utility model, when outage, when gas pressure is excessive in the sealed compartment, jack-up seal disc 3, releasing pressure automatically; But gases such as the less hydrogen of gas pressure, methane more for a long time in the cabin, gives solenoid valve 1 energising, and seal disc 3 is moved, and exits, and prevents that hydrogen, methane etc. from producing security incident such as blast after a certain amount of.

In addition, the Decompression valves of the Decompression valves that the utility model provides cavity type structure more of the prior art, structure is simpler; Easier for installation, and the diameter of seal disc is bigger, makes when seal disc 3 is opened; Vent area is bigger, and the gas in the cabin or the discharge of liquid are more smooth and easy.The utility model can pressure release effectively, exhaust in the shorter time, and working efficiency is higher, can be applicable to the occasion of the multiple decompression that needs to ventilate.

Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, if these of the utility model are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification.

Claims

1. arrange the hydrogen Decompression valves automatically for one kind, it is characterized in that, comprise solenoid valve (1), fixing frame (2), seal disc (3) and the time relay (4);

Said solenoid valve (1) comprises conducting magnet core (11), hot-wire coil (12) and spring (13), and said hot-wire coil (12) and spring (13) all flip sleeve are connected on the conducting magnet core (11), and said spring (13) is positioned at hot-wire coil (12);

Said seal disc (3) is fixedly connected with an end of said conducting magnet core (11);

Said hot-wire coil (12) electrically connects with the said time relay (4), and during said hot-wire coil (12) energising, said conducting magnet core (11) drives seal disc (3) and moves under the electromagnetic induction effect, and valve is opened.

2. Decompression valves according to claim 1 is characterized in that, said fixing frame (2) and said hot-wire coil (12) are for being fixedly connected.

3. Decompression valves according to claim 1 is characterized in that, said spring (13) is a helical spring.

4. Decompression valves according to claim 1 is characterized in that, said hot-wire coil (12) comprises coil brace (121) and coil (122);

Said coil (122) is outside said coil brace (121), and said coil brace (121) is fixedly connected with said fixing frame (2).

5. Decompression valves according to claim 1 is characterized in that, said seal disc (3) is a disc-shaped structure, and diameter is greater than 30 millimeters.

6. Decompression valves according to claim 1 is characterized in that, said fixing frame (2) is a stepped shaft, is used for fixing said Decompression valves.