CN213420043U

CN213420043U - Anti-freezing valve with liquid leakage alarm function

Info

Publication number: CN213420043U
Application number: CN202022602987.8U
Authority: CN
Inventors: 高英超
Original assignee: Qingshan Kangda Shandong Biotechnology Co ltd
Current assignee: Qingshan Kangda Shandong Biotechnology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-11
Anticipated expiration: 2030-11-12

Abstract

The utility model belongs to the technical field of the valve, concretely relates to there is weeping alarming function's valve that prevents frostbite, which comprises a valve body, the top of valve body is rotated and is connected with the valve rod, the top fixedly connected with hand wheel of valve rod, flange and pipe connection are passed through to the valve body both sides, valve body and pipeline outside are equipped with the heat preservation shell, the heat preservation shell is unanimous with the central axis of pipeline, heat preservation shell top and valve rod outer wall sealing connection, heat preservation shell both ends and pipeline outer wall sealing connection, the heat preservation shell comprises procapsid and back casing, all be equipped with the connecting block around procapsid and back casing, procapsid and back casing pass through connecting block fixed connection, procapsid internally mounted has heating pipe and temperature sensor, fixedly connected with. The utility model discloses can make and be in suitable temperature in the heat preservation shell, play the heat preservation effect to the valve, the condition is leaked in the weeping detection device detectable and is reported to the police by the alarm, prevents to take place danger.

Description

Anti-freezing valve with liquid leakage alarm function

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to there is weeping alarming function's valve that prevents frostbite.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). In winter, liquid in the valve can be frozen, so that the valve cannot work normally, and even the valve can crack in severe conditions, so that the valve needs to be insulated. Most of the prior art is to wrap a layer of heat preservation sleeve on the outer surface of the valve, the temperature of the heat preservation sleeve cannot be adjusted, the heat preservation effect is limited, and the valve can still be frozen in the very cold weather. In addition, after the valve is wrapped by the heat-insulating sleeve, the liquid leakage condition at the joint of the valve and the pipeline is not easy to find in time, and certain danger is brought to the working environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the insulation cover heat preservation effect that above-mentioned prior art exists limited, the difficult problem of being discovered of liquid leakage of valve and pipe connection department provides a frostproofing valve that has weeping alarming function.

The utility model discloses a realize through following technical scheme:

the utility model provides a valve prevents frostbite with weeping alarming function, includes the valve body, its characterized in that, the top of valve body is rotated and is connected with the valve rod, the top fixedly connected with hand wheel of valve rod, flange and pipe connection are passed through to the valve body both sides, valve body and pipeline outside are equipped with the heat preservation shell, the heat preservation shell is unanimous with the central axis of pipeline, heat preservation shell top and valve rod outer wall sealing connection, heat preservation shell both ends and pipeline outer wall sealing connection, the heat preservation shell comprises procapsid and back casing, all be equipped with the connecting block around procapsid and the back casing, procapsid and back casing pass through connecting block fixed connection, procapsid internally mounted has heating pipe and temperature sensor, fixedly connected with alarm and controller on the outer wall that the procapsid is close to.

Through adopting above-mentioned technical scheme, can control the heating temperature of heating pipe, make the inside suitable temperature range that is in of heat preservation shell, play the heat preservation effect to the valve, prevent that the valve from frost crack, the weeping detection device of flange below can in time detect the leakage condition and send the warning through the alarm, prevents to take place danger.

Further, weeping detection device includes fixed band, hydrops box and level sensor, the hydrops box hangs in the flange below through the fixed band, level sensor inserts hydrops box bottom.

Furthermore, each effusion box is provided with two fixing belts, and the two fixing belts are respectively hung on the left side and the right side of the flange.

Through adopting above-mentioned technical scheme, the fixed band makes hydrops box demountable installation in valve below, and the flange position of valve and pipe connection takes place liquid leakage easily, and the hydrops box inside can be collected to the liquid that leaks, and the level sensor who inserts hydrops box bottom can detect the existence of liquid to give the controller with the signal transmission.

Further, the controller is respectively and electrically connected with the temperature sensor, the liquid level sensor, the heating pipe and the alarm.

Through adopting above-mentioned technical scheme, set up start temperature value and stop temperature value on the controller, temperature sensor can detect the temperature in the heat preservation shell and give the controller with measured temperature's signal transmission, and when measured temperature was less than start temperature, the controller started the heating pipe and carries out heating work, makes the inside temperature of heat preservation shell rise, prevents that the valve from freezing, and after measured temperature was higher than stop temperature, the controller controlled heating pipe stopped heating. When liquid at the flange is leaked, the liquid flows into the liquid accumulation box, the liquid level sensor detects the existence of the liquid and transmits a signal to the controller, the controller controls the alarm to give an alarm sound, and a worker can timely handle the alarm sound to prevent danger.

Furthermore, a sealing gasket is arranged at the joint of the top of the heat preservation shell and the outer wall of the valve rod, and sealing gaskets are arranged at the joints of the two ends of the heat preservation shell and the outer wall of the pipeline.

By adopting the technical scheme, the sealing performance of the heat-insulating shell can be improved, the temperature in the heat-insulating shell can not be rapidly reduced, the heat-insulating time is prolonged, the heating frequency is reduced, and the energy is saved.

Furthermore, the connecting blocks on the periphery of the front shell and the rear shell are connected through bolts in a locking mode.

Through adopting above-mentioned technical scheme, through the bolt with connecting block locking, make things convenient for the installation and the dismantlement of procapsid and back casing.

Furthermore, waterproof films are pasted on the inner walls of the front shell and the rear shell.

Through adopting above-mentioned technical scheme, can prevent that the heat preservation shell inner wall from receiving the pollution, be convenient for recycle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. be equipped with controller, temperature sensor and heating pipe in this new practical new form, temperature sensor can sense the temperature in the heat preservation shell, and when the temperature was less than the start temperature, temperature sensor spread into data into the controller in the middle of, controller start heating pipe carries out heating work, and the inside temperature of heat preservation shell rises gradually, reaches frost-proof effect.

2. Be equipped with level sensor and alarm in this new practical new type, can flow in the hydrops box when flange department liquid takes place to leak, level sensor detects the existence of liquid to give the controller with signal transmission, the controller control alarm sends alarm sound, and the staff hears the chimes of doom and can in time handle, prevents to take place dangerous

3. The novel well heat preservation shell top of this practical is equipped with sealed the pad with valve rod outer wall junction, and heat preservation shell both ends are equipped with sealed the pad with pipeline outer wall junction, can improve the leakproofness of heat preservation shell, make the temperature in the heat preservation shell can not descend fast, improve the heat preservation time, reduce heating frequency, the energy saving.

4. The waterproof membrane is pasted on the inner wall of the heat preservation shell, so that the inner wall of the heat preservation shell can be prevented from being polluted, the heat preservation shell can be detached when the weather is warm, and the heat preservation shell can be continuously used in the next winter.

Drawings

FIG. 1: the utility model relates to a structure diagram of an anti-freezing valve with a liquid leakage alarm function;

FIG. 2: the utility model discloses a mounting structure schematic diagram of a middle leakage detection device;

FIG. 3: in the utility model, the enlarged structure at the position A of figure 2;

FIG. 4: the structure schematic diagram of the middle-front shell of the utility model;

FIG. 5: the circuit connection between the electrical components in the utility model is schematically shown;

in the figure: 1. a pipeline; 2. a front housing; 3. a rear housing; 4. connecting blocks; 5. a valve body; 6. a valve stem; 7. a hand wheel; 8. a controller; 9. an alarm; 10. a gasket; 11. a flange; 12. fixing belts; 13. a liquid accumulation box; 14. a liquid level sensor; 15. heating a tube; 16. a water-resistant film; 17. a temperature sensor.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1-5, a valve prevents frostbite who has weeping alarming function, includes valve body 5, the top of valve body 5 is rotated and is connected with valve rod 6, the top fixedly connected with hand wheel 7 of

valve rod

6, 5 both sides of valve body are passed through flange 11 and are connected with pipeline 1, the valve body 5 is equipped with the heat preservation shell with the 1 outside of pipeline, the heat preservation shell is unanimous with pipeline 1's the central axis, heat preservation shell top and the 6 outer wall sealing connection of valve rod, heat preservation shell both ends and the 1 outer wall sealing connection of pipeline, the heat preservation shell comprises procapsid 2 and back casing 3, procapsid 2 and back casing 3 all are equipped with connecting block 4 all around, procapsid 2 and back casing 3 connecting block 4 all around pass through bolt locking connection, make things convenient for the installation and the dismantlement of procapsid. The junction of the top of the heat preservation shell and the outer wall of the valve rod 6 is provided with a sealing gasket 10, the junction of the two ends of the heat preservation shell and the outer wall of the pipeline 1 is provided with the sealing gasket 10, the sealing performance of the heat preservation shell can be improved, and the heat dissipation is prevented from being too fast.

As shown in fig. 4, a heating pipe 15 and a temperature sensor 17 are installed inside the front housing 2, and an alarm 9 and a controller 8 are fixedly connected to the outer wall of the front housing 2 near one end of the heating pipe 15. As shown in fig. 2, the flange 11 below that 5 both sides of valve body and pipeline 1 are connected respectively is equipped with a weeping detection device, weeping detection device includes fixed band 12, hydrops box 13 and level sensor 14, is equipped with two fixed bands 12 on every hydrops box 13, and two fixed bands 12 hang respectively in the flange 11 left and right sides for hydrops box 13 can be dismantled and hang in flange 11 below, and hydrops box 13 bottom is equipped with level sensor 14.

As shown in fig. 5, the controller 8 is electrically connected to the temperature sensor 17, the liquid level sensor 14, the heating pipe 15, and the alarm 9, respectively. Set up start temperature value and stop temperature value on controller 8, temperature sensor 17 can detect the temperature in the heat preservation shell and give controller 8 with measured temperature's signal transmission, and when measured temperature was less than start temperature, controller 8 started heating pipe 15 carries out heating work, makes the inside temperature of heat preservation shell rise, prevents that the valve from freezing, and after measured temperature was higher than stop temperature, controller 8 control heating pipe 15 stopped heating. Because the heat preservation shell wraps up the junction of valve body 5 and pipeline 1, if take place liquid leakage and be difficult for discovering, take place danger easily. The utility model discloses in, when flange 11 department has liquid to leak, liquid can flow into amasss box 13 bottom, and level sensor 14 detects the existence of liquid and gives controller 8 with signal transmission, and 8 control alarm devices of controller 9 send the chimes of doom, and the staff hears the chimes of doom and in time handles, prevents to take place dangerously.

As shown in fig. 4, the waterproof films 16 are adhered to the inner walls of the front shell 2 and the rear shell 3, so that the inner wall of the heat preservation shell can be prevented from being polluted, the service life is prolonged, the heat preservation shell is convenient to recycle, the heat preservation shell is well detached and stored when the weather is warm, and the heat preservation shell can be continuously used in the next winter.

The utility model discloses a theory of operation: install the weeping detection device in flange 11 below, then overlap procapsid 2 and back casing 3 the valve body 5 and the pipeline 1 outside and to be in the same place, pass connecting block 4 with the bolt and lock procapsid 2 and back casing 3. A starting temperature value and a stopping temperature value are set on the controller 8, and the temperature sensor 17 detects the temperature in the heat-insulating shell and transmits a signal of the measured temperature to the controller 8. If the measured temperature is lower than the starting temperature, the controller 8 starts the heating pipe 15 to heat, so that the temperature inside the heat preservation shell rises, and when the measured temperature is higher than the stopping temperature, the temperature sensor 17 transmits a signal to the controller 8, and the controller 8 controls the heating pipe 15 to stop heating. If liquid takes place to leak, can produce certain liquid level in hydrops box 13, level sensor 14 detects the existence of liquid and gives controller 8 with signal transmission, and controller 8 control alarm 9 sends the chimes of doom, and the staff hears can rotate hand wheel 7 immediately after the chimes of doom and close the valve to follow-up processing prevents to take place dangerously. The utility model discloses can control the inside suitable temperature range that is in of heat preservation shell, play the heat preservation effect to the valve, prevent that the valve from freezing and splitting to can send the chimes of doom, easy operation, convenient to use to leaking liquid.

Claims

1. An anti-freezing valve with a liquid leakage alarm function comprises a valve body and is characterized in that the top of the valve body is rotatably connected with a valve rod, the top of the valve rod is fixedly connected with a hand wheel, two sides of the valve body are connected with a pipeline through flanges, the valve body and the outer side of the pipeline are provided with heat preservation shells which are consistent with the central axis of the pipeline, the top of the heat preservation shell is hermetically connected with the outer wall of the valve rod, two ends of the heat preservation shell are hermetically connected with the outer wall of the pipeline, the heat preservation shell consists of a front shell and a rear shell, connecting blocks are arranged on the periphery of the front shell and the periphery of the rear shell, the front shell and the rear shell are fixedly connected through a connecting block, a heating pipe and a temperature sensor are arranged in the front shell, the outer wall of the front shell body, which is close to one end of the heating pipe, is fixedly connected with an alarm and a controller, and a liquid leakage detection device is arranged below the flange.

2. The antifreeze valve with the leakage alarm function according to claim 1, wherein the leakage detection device comprises a fixing band, a liquid accumulation box and a liquid level sensor, the liquid accumulation box is suspended below the flange through the fixing band, and the liquid level sensor is inserted into the bottom of the liquid accumulation box.

3. The antifreeze valve with leakage alarm function according to claim 2, wherein each liquid trap is provided with two fixing straps, and the two fixing straps are respectively hung on the left and right sides of the flange.

4. The antifreeze valve with liquid leakage alarm function according to claim 2, wherein said controller is electrically connected to the temperature sensor, the liquid level sensor, the heating pipe and the alarm respectively.

5. The antifreeze valve with leakage alarm function of claim 1, wherein the joint of the top of the thermal insulation shell and the outer wall of the valve rod is provided with a sealing gasket, and the joints of the two ends of the thermal insulation shell and the outer wall of the pipeline are provided with sealing gaskets.

6. The antifreeze valve with function of liquid leakage alarm according to claim 1, wherein the connecting blocks around the front and rear cases are locked and connected by bolts.

7. The antifreeze valve with function of liquid leakage alarm according to claim 1, wherein the inner walls of the front and rear cases are adhered with waterproof films.