Integrated electric heating safety valve

Abstract

The utility model relates to the technical field of electrical control, and discloses an integrated electric heating safety valve which comprises a water flow sensor, a connector is fixedly connected to the inner wall of the water flow sensor, an external pipe is detachably connected to the outer wall of the connector, and a plurality of fixing balls are slidably connected to the inner wall of the external pipe. A reset spring is fixedly connected to the outer wall of the external connecting pipe, a fastening ring is fixedly connected to the outer wall of the reset spring, a sealing ring is fixedly connected to the inner wall of the external connecting pipe, a safety valve is detachably connected to the bottom of the water flow sensor, a sewage draining assembly is installed in the safety valve, and the sewage draining assembly comprises a filter screen. And the outer wall of the filter screen is fixedly connected to the bottom of the safety valve. According to the utility model, the external connection pipe is in butt joint with the water flow sensor, and the safety valve and the water flow controller are installed together to realize modularization, so that the cost is reduced, the energy is saved, and meanwhile, the experience of a user is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical control technical field especially, relates to an integrated electric heating safety valve. BACKGROUND

[0002] Safety valve is mainly used for protecting equipment and system safety. When the pressure in the system exceeds the set value, the safety valve automatically opens to release pressure, preventing the equipment from being damaged due to overpressure and even causing serious accidents such as explosion, ensuring the safety of personnel and property, and is an important defense line to ensure the stable and safe operation of the system. The water flow controller aims to accurately control and regulate the water flow. According to the actual demand, the flow, pressure and other parameters of the water flow can be adjusted to ensure the stability and balance of the water flow in the system, so that the related equipment can run efficiently under appropriate water flow conditions, improving the overall operation efficiency and stability of the system.

[0003] The integrated electric heating safety valve integrates the functions of safety valve and water flow controller, which is of great significance and purpose. It can monitor and control the water flow in real time, ensure the stability of the system water flow, and prevent problems caused by abnormal water flow. At the same time, it has the function of safety valve, which can automatically release pressure when the system pressure is abnormally high, protect the system equipment from high pressure damage, avoid safety accidents, ensure the safe, stable and efficient operation of the whole system, improve the reliability and service life of the system, and reduce the maintenance cost.

[0004] In the prior art, the electric heating safety valve and the water flow controller are separate, which needs to be installed separately, occupies more space, and has different requirements for the installation position, increasing the installation difficulty and cost. Therefore, an integrated electric heating safety valve is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides an integrated electric heating safety valve, which aims at improving the problem that the prior art needs to be installed separately, occupies more space, and has different requirements for the installation position, increasing the installation difficulty and cost.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An integrated electric heating safety valve, comprising a water flow sensor, the inner wall of the water flow sensor is fixedly connected with a connector, the outer wall of the connector is detachably connected with an external pipe, the inner wall of the external pipe is slidably connected with a plurality of fixed balls, the outer wall of the external pipe is fixedly connected with a return spring, the outer wall of the return spring is fixedly connected with a fastening ring, the inner wall of the external pipe is fixedly connected with a sealing ring, the bottom of the water flow sensor is detachably connected with a safety valve, and the safety valve is internally provided with a blowdown assembly.

[0008] As a further description of the above technical scheme:

[0009] The pollution discharge assembly comprises a filter screen, an outer wall of the filter screen is fixedly connected to the bottom of the safety valve, one side outer wall of the safety valve is fixedly connected with a pollution discharge port, and the other side of the safety valve is fixedly connected with a safety cavity.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the connector is provided with a plurality of butt joint holes, and the outer walls of the plurality of fixed balls are slidably connected to the inner walls of the plurality of butt joint holes.

[0012] As a further description of the above technical solution:

[0013] The bottom of the safety cavity is fixedly connected with a drain hole, and the outer wall of the water flow sensor is fixedly connected with a Hall sensor.

[0014] As a further description of the above technical solution:

[0015] The inner wall of the water flow sensor is fixedly connected with a sealing ring, and the inner wall of the water flow sensor is fixedly connected with a fixed cylinder.

[0016] As a further description of the above technical solution:

[0017] The inner wall of the fixed cylinder is rotatably connected with a turbine, and the inner wall of the fixed cylinder is rotatably connected with a magnetic rotor.

[0018] As a further description of the above technical solution:

[0019] The bottom of the water flow sensor is fixedly connected with a clamping jaw, and the top of the safety valve is fixedly connected with a fixed plate.

[0020] As a further description of the above technical solution:

[0021] The inner wall of the clamping jaw is detachably connected to the outer wall of the fixed plate, and the inner wall of the clamping jaw is slidably connected with a handle.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、The utility model discloses, sliding fastening ring, under the action of reset spring, fastening ring contracts upwards, at this moment, fastening ring no longer clamps fixed ball to release fixed ball, at this moment, install outer connecting pipe on the outer wall of connector, at this moment, butt joint fixed ball in the inner wall of butt joint hole, make fixed ball clamp in the inner wall of butt joint hole, then loosen fastening ring, at this moment, under the action of reset spring, fastening ring resets and clamps fixed ball, to realize the firm butt joint of outer connecting pipe and water flow sensor, and the sealing effect of the inside of outer connecting pipe prevents water flow from flowing out through butt joint hole.

[0024] 2、The utility model discloses a detachable separation of the clamping jaw and the fixed plate, which realizes the integration and disassembly of the water flow sensor and the safety valve, and the safety valve and the water flow controller are installed together to realize the modularization, so that the user experience is better.

[0025] 3、The utility model discloses a filter screen is filtered down the impurity when the water flow passes through the safety valve when the water flow passes through the water flow sensor, and then when the impurity needs to be removed, the safety valve inner wall accumulated impurity can be discharged by opening the blowdown, and the bottom of the safety chamber is provided with a drain hole, which is convenient for check valve, safety pressure relief and drainage cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of an integrated electric heating safety valve is provided for the utility model;

[0027] Figure 2 A structural schematic view of a safety chamber of an integrated electric heating safety valve is provided for the utility model;

[0028] Figure 3 A structural schematic view of an external connecting pipe of an integrated electric heating safety valve is provided for the utility model;

[0029] Figure 4 A structural schematic view of a fixed cylinder of an integrated electric heating safety valve is provided for the utility model;

[0030] Figure 5 A structural schematic view of a blowdown of an integrated electric heating safety valve is provided for the utility model

[0031] LEGEND:

[0032] 1, water flow sensor, 2, fixed ball, 3, connector, 4, external connecting pipe, 5, fastening ring, 6, sealing ring, 7, butt joint hole, 8, reset spring, 9, hall sensor, 10, safety chamber, 11, drain hole, 12, blowdown, 13, filter screen, 14, clamping jaw, 15, fixed cylinder, 16, sealing ring, 17, turbine, 18, magnetic rotor, 19, handle, 20, fixed plate, 21, safety valve. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] With reference to Figures 1 to 3 The utility model provides an integrated electric heating safety valve 21, including water flow sensor 1, the inner wall fixedly connected with the connector 3 of water flow sensor 1, the connector 3 can be stably installed inside water flow sensor 1, provide the basis for the connection with external pipe 4 subsequently, the outer wall of connector 3 is detachably connected with external pipe 4, through detachably connected mode, the installation and dismounting of external pipe 4 are convenient, and the maintenance and replacement are convenient.

[0035] The inner wall of external pipe 4 is slidably connected with multiple fixed balls 2, these fixed balls 2 can cooperate with the docking hole 7 of connector 3 when needed, realize the fixed connection of external pipe 4 and connector 3, the outer wall of external pipe 4 is fixedly connected with reset spring 8, reset spring 8 can provide the restoring force when the fastening ring 5 slides, guarantee the fixed and release function of fixed ball 2, the outer wall of reset spring 8 is fixedly connected with fastening ring 5, fastening ring 5 can control the clamping and release of fixed ball 2 by sliding, and then realize the connection and separation of external pipe 4 and connector 3,

[0036] The inner wall of external pipe 4 is fixedly connected with sealing ring 6, sealing ring 6 can seal the part of external pipe 4 and connector 3, prevent water flow from leaking from the connecting part, the bottom of water flow sensor 1 is detachably connected with safety valve 21, this detachably connected mode can realize the integration between water flow sensor 1 and safety valve 21 and the convenient dismounting and overhaul, the inside of safety valve 21 is installed with blowdown assembly, the blowdown assembly can filter and exclude the impurities generated when water flow passes through safety valve 21, guarantee the cleanness of water flow and the normal operation of equipment, the outer wall of connector 3 is provided with multiple docking holes 7, multiple docking holes 7 are used for cooperating with the fixed ball 2 of the inner wall of external pipe 4, realize the firm connection of external pipe 4 and connector 3, the outer wall of multiple fixed balls 2 is slidably connected in the inner wall of multiple docking holes 7, so that fixed ball 2 can slide in docking hole 7, and clamps the inner wall of docking hole 7 to realize the connection when needed.

[0037] With reference to Figures 2 to 4 The bottom of water flow sensor 1 is fixedly connected with claw 14, claw 14 is used for cooperating with the fixed plate 20 at the top of safety valve 21, realizes the connection of water flow sensor 1 and safety valve 21, the top of safety valve 21 is fixedly connected with fixed plate 20, fixed plate 20 cooperates with claw 14, so that water flow sensor 1 and safety valve 21 can be connected together, the inner wall of claw 14 is detachably connected in the outer wall of fixed plate 20, so that water flow sensor 1 and safety valve 21 can be conveniently disassembled to overhaul etc. operation, the inner wall of claw 14 is slidably connected with handle 19, handle 19 is convenient for operating claw 14 when disassembling, so that the disassembly process is more convenient;

[0038] With reference to Figures 3 to 5The pollution discharge assembly comprises a filter screen 13, an outer wall of the filter screen 13 is fixedly connected to the bottom of the safety valve 21, the filter screen 13 can filter impurities appearing on the inner wall of the safety valve 21 when water flows through the safety valve 21, and the impurities are blocked at the filter screen 13, one side outer wall of the safety valve 21 is fixedly connected with a pollution discharge port 12, when it is necessary to discharge the impurities, the pollution discharge port 12 is opened, so that the impurities accumulated on the inner wall of the safety valve 21 can be discharged through the pollution discharge port 12, the other side of the safety valve 21 is fixedly connected with a safety cavity 10, the safety cavity 10 plays a certain safety protection role, the bottom of the safety cavity 10 is fixedly connected with a drain hole 11, the drain hole 11 is convenient for check valve flow, safety pressure relief and water drainage and cleaning, and the safety operation and cleaning of the equipment can be ensured.

[0039] An outer wall of the water flow sensor 1 is fixedly connected with a Hall sensor 9, when water flow pushes the magnetic rotor 18 to rotate through the turbine 17, the Hall element is turned on when different magnetic poles are close to the Hall element, and the Hall element is turned off when the different magnetic poles are away from the Hall element, the rotor rotating speed can be measured through the Hall sensor 9, an inner wall of the water flow sensor 1 is fixedly connected with a sealing ring 16, the sealing ring 16 can play a sealing role on the water flow channel inside the water flow sensor 1, so as to prevent water flow leakage, the inner wall of the water flow sensor 1 is fixedly connected with a fixed cylinder 15, the fixed cylinder 15 is used for fixing the turbine 17 and the magnetic rotor 18, so as to ensure that they can normally rotate, the inner wall of the fixed cylinder 15 is rotationally connected with the turbine 17, the turbine 17 can rotate under the push of water flow, and further drive the magnetic rotor 18 to rotate, the inner wall of the fixed cylinder 15 is rotationally connected with the magnetic rotor 18, the magnetic rotor 18 rotates under the drive of the turbine 17, and different electric signals can be generated when different magnetic poles of the magnetic rotor 18 are close to and away from the Hall element, which are used for measuring rotor rotating speed and the like.

[0040] Working principle: when it is necessary to fix the integrated electric heating safety valve 21 on the outer wall of the external pipe 4, at this time, the sliding fastening ring 5 is contracted upward under the action of the reset spring 8, at this time, the fastening ring 5 no longer clamps the fixing ball 2 to release the fixing ball 2, at this time, the external pipe 4 is installed on the outer wall of the connector 3, at this time, the fixing ball 2 is butted on the inner wall of the butt joint hole 7, so that the fixing ball 2 is clamped on the inner wall of the butt joint hole 7, then the fastening ring 5 is loosened, at this time, the fixing ball 2 is clamped by the fastening ring 5 under the action of the reset spring 8, so as to realize firm butt joint of the external pipe 4 and the water flow sensor 1, and the internal part of the external pipe 4 plays a sealing role, so as to prevent water flow from flowing out through the butt joint hole 7.

[0041] When the water flow sensor 1 and the safety valve 21 need to be disassembled, the claw 14 is separated from the fixed plate 20, and the detachable is completed, so as to realize the integration and disassembly and maintenance between the water flow sensor 1 and the safety valve 21. When the water flow passes through the turbine 17, the magnetic rotor 18 is pushed to rotate, the different magnetic poles are close to the Hall element, the Hall element is turned on, and the Hall element is turned off when it is away. Thus, the rotor speed can be measured. According to the measured water flow, the rotor speed and the output signal curve, the starting water pressure of the water heater, and the starting water flow corresponding to the starting water pressure and the starting speed of the rotor can be determined.

[0042] When the water flow passes through the water flow sensor 1 and the safety valve 21, impurities will appear on the inner wall. At this time, the filter screen 13 can filter the impurities. Then, when the impurities need to be removed, the drain opening 12 is opened, so that the impurities accumulated on the inner wall of the safety valve 21 can be discharged. The bottom of the safety chamber 10 is provided with a drain hole 11, so as to realize the check backflow, safety pressure relief and drainage cleaning.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An integrated electrothermal safety valve comprising a water flow sensor (1), characterized in that: The inner wall of the water flow sensor (1) is fixedly connected with a connector (3), the outer wall of the connector (3) is detachably connected with an external pipe (4), the inner wall of the external pipe (4) is slidably connected with a plurality of fixed balls (2), the outer wall of the external pipe (4) is fixedly connected with a return spring (8), the outer wall of the return spring (8) is fixedly connected with a fastening ring (5), the inner wall of the external pipe (4) is fixedly connected with a sealing ring (6), the bottom of the water flow sensor (1) is detachably connected with a safety valve (21), and the safety valve (21) is internally provided with a blowdown assembly.

2. An integrated electrothermal safety valve according to claim 1, characterized in that: The blowdown assembly comprises a filter screen (13), the outer wall of the filter screen (13) is fixedly connected to the bottom of the safety valve (21), one side of the safety valve (21) is fixedly connected with a blowdown port (12), and the other side of the safety valve (21) is fixedly connected with a safety cavity (10).

3. An integrated electrothermal safety valve according to claim 1, characterized in that: The outer wall of the connector (3) is provided with a plurality of butt joints (7), and the outer walls of the plurality of fixed balls (2) are slidably connected to the inner walls of the plurality of butt joints (7).

4. An integrated electrothermal safety valve according to claim 2, characterized in that: The bottom of the safety cavity (10) is fixedly connected with a drain hole (11), and the outer wall of the water flow sensor (1) is fixedly connected with a Hall sensor (9).

5. An integrated electrothermal safety valve according to claim 1, characterized in that: The inner wall of the water flow sensor (1) is fixedly connected with a sealing ring (16), and the inner wall of the water flow sensor (1) is fixedly connected with a fixed cylinder (15).

6. An integrated electrothermal safety valve according to claim 5, characterized in that: The inner wall of the fixed cylinder (15) is rotatably connected with a turbine (17), and the inner wall of the fixed cylinder (15) is rotatably connected with a magnetic rotor (18).

7. An integrated electrothermal safety valve according to claim 1, characterized in that: The bottom of the water flow sensor (1) is fixedly connected with a claw (14), and the top of the safety valve (21) is fixedly connected with a fixed plate (20).

8. An integrated electrothermal safety valve according to claim 7, characterized in that: The inner wall of the claw (14) is detachably connected to the outer wall of the fixed plate (20), and the inner wall of the claw (14) is slidably connected with a handle (19).

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