阅读说明：本技术 一种可防冻裂的电站阀门 (Power station valve capable of preventing frost cracking ) 是由 余亚龙 于 2021-01-24 设计创作，主要内容包括：本发明公开了一种可防冻裂的电站阀门,包括阀体和防冻套筒,所述防冻套筒固定安装于阀体的外表面,且防冻套筒的内部开设有流腔,所述流腔的侧内壁开设有流槽,且流槽槽底的中心处转动连接有旋转轴,所述旋转轴的表面固定连接有两个对称设置的压力螺旋叶。该可防冻裂的电站阀门,通电后的电磁铁块和磁活塞板为磁排斥力,而电磁铁块和内置磁体为磁吸引力,使得压力螺旋叶绕着旋转轴转动,于此同时磁活塞板在压力腔内向上滑动,使得电磁铁块逐渐断电,直至磁活塞板与上侧的导电极板接触,此时温差电制片对另外一个电磁铁块进行通电,使得阀体的热量能够稳定通过防冻套筒保存,有效的避免阀体发生冻住。(The invention discloses a power station valve capable of preventing frost cracking, which comprises a valve body and an anti-freezing sleeve, wherein the anti-freezing sleeve is fixedly arranged on the outer surface of the valve body, a flow cavity is formed in the anti-freezing sleeve, a flow groove is formed in the inner side wall of the flow cavity, a rotating shaft is rotatably connected to the center of the bottom of the flow groove, and two pressure spiral blades which are symmetrically arranged are fixedly connected to the surface of the rotating shaft. This can prevent power station valve that frost crack, electromagnet piece and the magnetic piston board after the circular telegram are the magnetic repulsion force, and electromagnet piece and built-in magnet are magnetic attraction, make pressure spiral leaf rotate round the rotation axis, the magnetic piston board upwards slides in the pressure chamber herein-by-one simultaneously, make electromagnet piece cut off the power supply gradually, until the magnetic piston board contacts with the conducting polar plate of upside, the thermoelectric piece is circular telegram to another electromagnet piece this moment, make the heat of valve body can stabilize and preserve through freezing-proof sleeve, the effectual valve body of avoiding takes place to freeze.)

1. The utility model provides a can prevent power station valve that frost crack, includes valve body (1) and frostproofing sleeve (2), its characterized in that: the anti-freezing sleeve (2) is fixedly arranged on the outer surface of the valve body (1), a flow cavity is formed in the anti-freezing sleeve (2), a flow groove (3) is formed in the inner side wall of the flow cavity, a rotating shaft (4) is rotatably connected to the center of the bottom of the flow groove (3), two pressure spiral blades (5) which are symmetrically arranged are fixedly connected to the surface of the rotating shaft (4), an electromagnet block (10) is fixedly connected to the surfaces of the two pressure spiral blades (5), a pressure cavity (6) is formed in the side wall of the anti-freezing sleeve (2), a telescopic spring (7) is fixedly connected to the inner bottom wall of the pressure cavity (6), a magnetic piston plate (8) is fixedly connected to the other end of the telescopic spring (7), the magnetic piston plate (8) is connected to the pressure cavity (6) in a sealing and sliding manner, and two conductive polar plates (9) which are arranged in an upper position, fixedly connected with thermoelectric film (25) on the lateral wall of sleeve (2) prevents frostbite, the interior diapire of chute (3) is inlayed and is had built-in magnet (23).

2. The frost-crack resistant power station valve of claim 1, wherein: the side wall of the pressure cavity (6) is provided with a one-way hole (11) communicated with the flow cavity, and a one-way valve is arranged in the one-way hole (11).

3. The frost-crack resistant power station valve of claim 1, wherein: the anti-freezing sleeve is characterized in that a slow flow strip (12) is fixedly connected in the anti-freezing sleeve (2), a circulation cavity (13) is formed in the slow flow strip (12), and the circulation cavity (13) is communicated with the pressure cavity (6) through a guide pipe (14).

4. A frost crack resistant power station valve as claimed in claim 3, characterized in that: the top fixedly connected with memory spring (15) of slow current strip (12), and the top contact of memory spring (15) is connected with and shakes and flow and tremble board (16), shifting chute (17) have all been seted up to the both sides inner wall in flow chamber, and shake and flow and tremble both ends of board (16) and extend to in shifting chute (17) and fixedly connected with go up electric capacity board (19), electric capacity board (20) under the inner bottom wall fixedly connected with of shifting chute (17), and electric capacity board (20) are located electric capacity board (19) down, the inner bottom wall fixedly connected with magnetic spring (18) of shifting chute (17), and the other end of magnetic spring (18) with shake the flow and shake the fixed linking to each other in bottom of board (16).

5. A frost crack resistant power station valve in accordance with claim 4, characterized by: the bottom of the flow vibrating trembling plate (16) is fixedly connected with a suction air bag (21), a suction port and a discharge port are formed in the suction air bag (21), and the bottom of the suction air bag (21) is in contact with the top of the slow flow strip (12).

6. A frost crack resistant power station valve as claimed in claim 3, characterized in that: the inner top wall of the circulation cavity (13) is provided with a pressure relief pipe, and the inner wall of the pressure relief pipe is provided with a pressure relief valve (24).

7. A frost crack resistant power station valve in accordance with claim 4, characterized by: an external spiral heating pipe (22) is wound on the valve body (1), and the upper capacitor plate (19) and the lower capacitor plate (20) are electrically connected with the external spiral heating pipe (22).

8. The frost-crack resistant power station valve of claim 1, wherein: the polarity of the electromagnet block (10) after being electrified is the same as that of the magnetic piston plate (8) and is a magnetic repulsive force, and the polarity of the electromagnet block (10) is opposite to that of the built-in magnet (23) and is a magnetic attractive force.

9. The frost-crack resistant power station valve of claim 1, wherein: one electromagnet block (10) is electrically connected with one end of the thermoelectric piece (25) and the upper conductive plate (9), and the other electromagnet block (10) is electrically connected with the other end of the thermoelectric piece (25) and the lower conductive plate (9).

Technical Field

The invention relates to the technical field of power station valves, in particular to a frost crack prevention power station valve.

Background

The valve is a control component in the fluid conveying system, and can control the outflow and stop of water, so that the water is convenient to use, and the waste of water resources is prevented.

However, conventional utility valves have some disadvantages when used: when the valve is used, because the water in the device can not be emptied when the temperature is cold, the water in the device can be frozen to cause volume expansion, so that the valve is frozen; because of the poor heat preservation capability, the temperature in the device is easily influenced by external factors, thereby causing the water in the device to be easily frozen and causing the frost crack of the device.

For this reason, it is necessary to design a frost crack resistant power station valve in order to solve the problems set forth above.

Disclosure of Invention

The invention aims to provide a power station valve capable of preventing frost cracking so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a power station valve capable of preventing frost cracking comprises a valve body and an anti-freezing sleeve, wherein the anti-freezing sleeve is fixedly arranged on the outer surface of the valve body, a flow cavity is arranged in the anti-freezing sleeve, a flow groove is arranged on the inner wall of the side of the flow cavity, the center of the bottom of the flow groove is rotationally connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with two pressure spiral blades which are symmetrically arranged, and the surfaces of the two pressure spiral blades are fixedly connected with electromagnet blocks, the side wall of the anti-freezing sleeve is internally provided with a pressure cavity, and the inner bottom wall of the pressure cavity is fixedly connected with an extension spring, the other end of the extension spring is fixedly connected with a magnetic piston plate, the magnetic piston plate is connected in a sealing and sliding way in the pressure cavity, the inner wall of the pressure cavity is fixedly connected with two conductive polar plates which are arranged up and down, fixedly connected with thermoelectric film-making on the telescopic lateral wall prevents frostbite, the interior diapire of chute is inlayed and is had built-in magnet.

Preferably, the side wall of the pressure cavity is provided with a guide hole communicated with the flow cavity, and a one-way valve is arranged in the guide hole.

Preferably, a slow flow strip is fixedly connected in the anti-freezing sleeve, a circulation cavity is formed in the slow flow strip, and the circulation cavity is communicated with the pressure cavity through a guide pipe.

Preferably, the top fixedly connected with memory spring of slow current strip, and the top contact of memory spring is connected with and shakes and flow and tremble the board, the shifting chute has all been seted up to the both sides inner wall in flow chamber, and shakes and flow and tremble the both ends of board and extend to the shifting chute in and fixedly connected with go up the electric capacity board, electric capacity board under the inner bottom wall fixedly connected with of shifting chute, and the electric capacity board is located the electric capacity board under, the inner bottom wall fixedly connected with magnetic spring of shifting chute, and the other end of magnetic spring shakes with to flow and trembles the fixed bottom that the board links to each other.

Preferably, the bottom of the flow vibrating shaking plate is fixedly connected with a suction air bag, a suction port and a discharge port are formed in the suction air bag, and the bottom of the suction air bag is in contact with the top of the slow flow strip.

Preferably, the inner top wall of the circulation cavity is provided with a pressure relief pipe, and the inner wall of the pressure relief pipe is provided with a pressure relief valve.

Preferably, an external spiral heating tube is wound on the valve body, and the upper capacitor plate and the lower capacitor plate are electrically connected with the external spiral heating tube.

Preferably, the polarity of the electromagnet block after being electrified is the same as that of the magnetic piston plate, and the electromagnet block is a magnetic repulsive force, and the polarity of the electromagnet block is opposite to that of the built-in magnet, and the electromagnet block and the built-in magnet are a magnetic attractive force.

Preferably, one electromagnet block is electrically connected with one end of the thermoelectric piece and the upper conductive plate, and the other electromagnet block is electrically connected with the other end of the thermoelectric piece and the lower conductive plate.

Compared with the prior art, the invention has the beneficial effects that:

(1) this can prevent power station valve that frost crack, when the valve body when the temperature rises in long-time use, the both ends difference in temperature of thermoelectric piece this moment is more obvious, and will produce voltage, because the magnetic piston board is the electric conductor, so the conductive polar plate of accessible downside supplies power to the electromagnet piece on one of them pressure spiral leaf, make electromagnet piece and the magnetic piston board after the circular telegram be the magnetic repulsion force, and electromagnet piece and built-in magnet are magnetic attraction, make the pressure spiral leaf rotate around the rotation axis, the magnetic piston board upwards slides in the pressure chamber here simultaneously, make the electromagnet piece cut off the power supply gradually, until the magnetic piston board contacts with the conductive polar plate of upside, thermoelectric piece is switched on to another electromagnet piece this moment, make the heat of valve body can stabilize and preserve through the sleeve that prevents frostbite, effectually avoid the valve body to take place to freeze.

(2) This power station valve that can prevent frostbite and split, when the magnetic piston board slides along the pressure chamber up-sealed for gaseous from the pipe transport to the circulation intracavity, make the increase of pressure in the circulation intracavity, after the pressure value in the circulation intracavity reaches the critical value of relief valve, gaseous through the surface jetting of relief pipe to the valve body, make the surface fine motion of valve body, thereby make remaining water fine motion in the valve body, avoid water to freeze, play good frostproofing effect.

(3) This can prevent power station valve that frost crack, when the temperature is very low, the memory spring is by straightening the state shrink for the state of circling, and it will not tremble the board contact with the stream that shakes, make the stream shake the board and extrude magnetic spring and produce the shake, the both ends of going up electric capacity board and lower electric capacity board this moment are connected with magnetic spring's both ends, consequently form the state of opening circuit under the state that both distances are far away, and under two electric capacity board near states, use the air to constitute parallel plate capacitor as the medium, and form the charging process of a period under the state that forms parallel plate capacitor, make external spiral heating tube generate heat, thereby the temperature that keeps the valve body is above freezing proof temperature.

(4) This can prevent power station valve that frost crack, when last electric capacity board and lower electric capacity board's position near, breakdown phenomenon can take place, the air is ionized promptly, the air temperature in the moving bath risees rapidly this moment, the gas in the suction bag is from giving vent to anger the end blowout, heat transfer to the valve body periphery in with the moving bath, and before the parallel plate condenser reaches breakdown voltage, there is the charging process between the two boards, make to have less electric current in a period in the circuit, the consumption of the energy can be saved, in order to rise the temperature of valve body.

Drawings

FIG. 1 is a top view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 2 in accordance with the present invention;

FIG. 5 is a partial structural cross-sectional view of a structural moderator strip of the present invention.

In the figure: 1. a valve body; 2. an anti-freeze sleeve; 3. a launder; 4. a rotating shaft; 5. a pressure screw blade; 6. a pressure chamber; 7. a tension spring; 8. a magnetic piston plate; 9. a conductive plate; 10. an electromagnet block; 11. a one-way hole; 12. a slow flow strip; 13. a circulation chamber; 14. a conduit; 15. a memory spring; 16. vibrating and shaking the plate; 17. a moving groove; 18. a magnetic spring; 19. an upper capacitive plate; 20. a lower capacitive plate; 21. pumping an air bag; 22. an external spiral heating tube; 23. a built-in magnet; 24. a pressure relief valve; 25. and (5) thermoelectric flaking.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a power station valve capable of preventing frost cracking comprises a valve body 1 and an anti-freezing sleeve 2, wherein the anti-freezing sleeve 2 is fixedly arranged on the outer surface of the valve body 1, a flow cavity is formed in the anti-freezing sleeve 2, a flow groove 3 is formed in the inner side wall of the flow cavity, a rotating shaft 4 is rotatably connected to the center of the bottom of the flow groove 3, two pressure spiral blades 5 which are symmetrically arranged are fixedly connected to the surface of the rotating shaft 4, electromagnet blocks 10 are fixedly connected to the surfaces of the two pressure spiral blades 5, a pressure cavity 6 is formed in the side wall of the anti-freezing sleeve 2, an expansion spring 7 is fixedly connected to the inner bottom wall of the pressure cavity 6, a magnetic piston plate 8 is fixedly connected to the other end of the expansion spring 7, the magnetic piston plate 8 is hermetically and slidably connected into the pressure cavity 6, two conductive polar plates 9 which are arranged at the upper position and the lower position are, the inner bottom wall of the launder 3 is embedded with a built-in magnet 23.

The lateral wall of pressure chamber 6 is seted up the one-way hole 11 with flow chamber intercommunication, and installs the check valve in the one-way hole 11.

The interior fixedly connected with slow flow strip 12 of sleeve 2 prevents frostbite, and the inside of slow flow strip 12 has seted up circulation chamber 13, communicates with pressure chamber 6 through pipe 14 in the circulation chamber 13.

Gently flow top fixedly connected with memory spring 15 of strip 12, and the top contact of memory spring 15 is connected with and shakes and flow and tremble board 16, shifting chute 17 has all been seted up to the both sides inner wall in flow chamber, and shake and flow and tremble both ends of board 16 and extend to in shifting chute 17 and fixedly connected with go up electric capacity board 19, electric capacity board 20 under the inner bottom wall fixedly connected with of shifting chute 17, and electric capacity board 20 is located electric capacity board 19 under, the inner bottom wall fixedly connected with magnetic spring 18 of shifting chute 17, and the other end of magnetic spring 18 shakes and flows and trembles the fixed linking to each other in bottom of board 16.

The bottom of the flow vibrating shaking plate 16 is fixedly connected with a suction air bag 21, a suction port and a discharge port are arranged on the suction air bag 21, and the bottom of the suction air bag 21 is in contact with the top of the slow flow strip 12.

The inner top wall of the circulation cavity 13 is provided with a pressure relief pipe, and the inner wall of the pressure relief pipe is provided with a pressure relief valve 24.

An external spiral heating tube 22 is wound on the valve body 1, and the upper capacitor plate 19 and the lower capacitor plate 20 are electrically connected with the external spiral heating tube 22.

The electromagnet block 10 is energized with the same polarity as the magnetic piston plate 8, and is a magnetic repulsive force, and the electromagnet block 10 is opposite in polarity to the built-in magnet 23, and is a magnetic attractive force.

One electromagnet block 10 is electrically connected with one end of the thermoelectric piece 25 and the upper conductive plate 9, and the other electromagnet block 10 is electrically connected with the other end of the thermoelectric piece 25 and the lower conductive plate 9.

The working principle is as follows: when the temperature of the valve body 1 rises in the long-term use process, the temperature difference between the two ends of the thermoelectric piece 25 is obvious, and voltage can be generated, because the magnetic piston plate 8 is a conductor, the electromagnet block 10 on one of the pressure spiral blades 5 can be powered through the conducting electrode plate 9 on the lower side, so that the energized electromagnet block 10 and the magnetic piston plate 8 are magnetic repulsive force, and the electromagnet block 10 and the built-in magnet 23 are magnetically attractive, so that the pressure screw blade 5 rotates around the rotation axis, while the magnetic piston plate 8 slides upward in the pressure chamber 6, so that the electromagnet blocks 10 are gradually powered off until the magnet piston plate 8 is contacted with the conductive pole plate 9 at the upper side, at the moment, the thermoelectric piece 25 powers on the other electromagnet block 10, the heat of the valve body 1 can be stably stored through the anti-freezing sleeve 2, and the valve body 1 is effectively prevented from being frozen; when the magnetic piston plate 8 slides upwards along the pressure cavity 6 in a sealing manner, gas is conveyed into the circulating cavity 13 from the guide pipe 14, so that the pressure in the circulating cavity 13 is increased, and after the pressure value in the circulating cavity 13 reaches the critical value of the pressure release valve 24, the gas is sprayed to the surface of the valve body 1 through the pressure release pipe, so that the surface of the valve body 1 is slightly moved, the residual water in the valve body 1 is slightly moved, the water is prevented from being frozen, and a good anti-freezing effect is achieved; when the temperature is very low, the memory spring is contracted from a 15 straightened state to a spiral state, and the memory spring is not in contact with the vibration flow shaking plate 16, so that the vibration flow shaking plate 16 extrudes the magnetic spring 18 and shakes, and at the moment, two ends of the upper capacitor plate 19 and the lower capacitor plate 20 are connected with two ends of the magnetic spring 18, so that an open circuit state is formed in a state that the two capacitor plates are far away from each other, and in a state that the two capacitor plates are close to each other, air is used as a medium to form a parallel plate capacitor, a charging process is formed for a period of time in the state that the parallel plate capacitor is formed, so that the external spiral heating tube 22 heats, and the temperature of the valve body 1 is kept above the freezing temperature; when the upper capacitance plate 19 and the lower capacitance plate 20 are closer, a breakdown phenomenon occurs, namely air is ionized, the temperature of the air in the moving groove 17 is rapidly increased, the air in the suction air bag 21 is sprayed out from the air outlet end to transfer the heat in the moving groove 17 to the periphery of the valve body 1, and before the parallel plate capacitor reaches breakdown voltage, a charging process exists between the two plates, so that small current exists in a circuit for a period of time, the consumption of energy is saved, and the temperature of the valve body 1 is increased.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.