CN210718051U - Full-automatic liquid freeze-proof device - Google Patents
Full-automatic liquid freeze-proof device Download PDFInfo
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- CN210718051U CN210718051U CN201921729571.3U CN201921729571U CN210718051U CN 210718051 U CN210718051 U CN 210718051U CN 201921729571 U CN201921729571 U CN 201921729571U CN 210718051 U CN210718051 U CN 210718051U
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Abstract
The utility model discloses a full-automatic liquid freeze-proof device, include: an outlet at the upper part of the liquid storage tank is connected with an inlet of the return pipe, and an inlet at the lower part of the liquid storage tank is connected with an outlet of the return pipe; the return pipe is connected with a three-way pipe in series, and the three-way pipe is connected with an expansion liquid type temperature controller; the backflow pipe is also connected with a liquid pump in series, one terminal of the liquid pump is connected with the negative electrode of the power supply, the other terminal of the liquid pump is connected with the first relay normally open contact, and the other end of the first relay normally open contact is connected with the positive electrode of the power supply; an electric heater is installed in the liquid storage tank, one end of the electric heater is connected with the negative electrode of the power supply, the other end of the electric heater is connected with a second relay normally-open contact, and the other end of the second relay normally-open contact is connected with a first relay normally-open contact. The utility model relates to a full-automatic liquid freeze-proof device, the device range of application is extensive, and degree of automation is high, can prevent effectively that liquid from freezing, has avoided the potential safety hazard, has ensured production life.
Description
Technical Field
The utility model belongs to the technical field of control, especially, relate to a full-automatic liquid freeze-proof device.
Background
In industrial production, transportation and daily life of people, various liquids such as lubricating oil, fuel oil, water and the like are used in necessary, the liquids need to be prevented from freezing in cold environments, particularly in winter, otherwise, the production and life are seriously affected and even equipment is frozen, and common anti-freezing measures such as manufacturing an insulating layer by using an insulating material, adding anti-freezing liquid into the liquid, spacing the liquid, heating the liquid at regular time and the like have certain limitations: the long-time heat preservation is difficult to realize by adopting the heat preservation layer, particularly for some long-distance conveying pipelines, the heat preservation effect is not ideal enough, and the maintenance cost is high; not all of the liquid can be poured because it affects the composition of the original liquid; the method of interval and timing heating is difficult to control accurately, the chemical characteristics of the original liquid can be damaged by excessive heating, safety accidents can be caused in serious cases, and the antifreezing effect cannot be achieved even if the heating is not timely. The limitation of the anti-freezing mode has certain influence on the production and the life of people.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists, the utility model provides a full-automatic liquid freeze-proof device, the device range of application is extensive, and degree of automation is high, can prevent effectively that liquid from freezing, has avoided the potential safety hazard, has ensured production life.
In order to achieve the above object, the present invention adopts the following technical solutions, including:
an outlet at the upper part of the liquid storage tank is connected with an inlet of the return pipe, and an inlet at the lower part of the liquid storage tank is connected with an outlet of the return pipe; the return pipe is connected with a three-way pipe in series, and the three-way pipe is connected with an expansion liquid type temperature controller; the backflow pipe is also connected with a liquid pump in series, one terminal of the liquid pump is connected with the negative electrode of the power supply, the other terminal of the liquid pump is connected with a first relay normally open contact, the other end of the first relay normally open contact is connected with the positive electrode of the power supply, and the first relay is controlled by an expansion liquid type temperature controller; an electric heater is installed in the liquid storage tank, one end of the electric heater is connected with the negative electrode of the power supply, the other end of the electric heater is connected with a second relay normally-open contact, the other end of the second relay normally-open contact is connected with a first relay normally-open contact, and the second relay is controlled by an expansion liquid type temperature controller.
The expansion liquid type temperature controller comprises a barrel body, a communicating pipe is arranged at the bottom of the barrel body and is connected with the three-way pipe, a lower sealing gasket is arranged at the bottom of the barrel body, an upper sealing gasket is arranged at the upper part of the lower sealing gasket, a circular pressing plate is arranged at the upper part of the upper sealing gasket, a pressing bolt sequentially penetrates through a through hole of the pressing plate, a through hole of the upper sealing gasket, a through hole of the lower sealing gasket, a through hole of the barrel body and a through hole of the supporting frame and then is screwed with a nut, a spherical containing space is arranged at the center of the upper sealing gasket and the lower sealing gasket, a lower ball body of the double-ball cup is arranged in the containing space, expansion liquid is filled in the lower ball body, a pushing piston capable of moving up and down is embedded in a straight pipe in the middle part of the double-ball cup, a first sealing ring is sleeved on the, the middle part of catch bar cup joints guide piston, this guide piston can be at the straight pipe on two ball cup upper portions up-and-down motion, guide piston cover is equipped with the second sealing washer, the erection column is cup jointed on the upper portion of catch bar, this erection column connection electrical components, the bottom of erection column is equipped with the chuck, this chuck cup joints the catch bar, the spring holder is cup jointed on the upper portion of erection column, conical spring installs on the spring holder, conical spring's upper portion is equipped with the gland, this gland suit is on the catch bar, the upper portion threaded connection cover of barrel, the center department of cover is equipped with the through-hole, this through-hole threaded connection pipe fitting, the inner peripheral surface of pipe fitting is equipped with the internal thread, the internal thread of adjusting screw threaded connection pipe fitting.
The electric appliance assembly comprises an upper conducting ring and a lower conducting ring which are respectively sleeved on the mounting column, the upper conducting ring is connected with a first lead, the other end of the first lead extends out of the cylinder and is connected with a second relay electromagnetic coil, the other end of the second relay electromagnetic coil is connected between a first relay normally-open contact and a second relay normally-open contact, the upper conducting ring can be connected with or disconnected with an upper conducting arm along with the upward and downward movement of the push rod, the upper end of the upper conducting arm is connected with the second lead, and the other end of the second lead extends out of the cylinder and is connected with the negative electrode of a power supply; the lower conducting ring is connected with a third wire, the other end of the third wire extends out of the barrel to be connected with a first relay electromagnetic coil, the other end of the first relay electromagnetic coil is connected with the anode of a power supply, the lower conducting ring can be connected with or disconnected with a lower conducting arm along with the upward and downward movement of the push rod, the upper end of the lower conducting arm is connected with a fourth wire, the other end of the fourth wire extends out of the cathode of the barrel to be connected with the power supply, the lower end of the upper conducting arm is connected with an upper adjusting mechanism, and the lower end of the lower conducting arm is connected with a lower.
The upper adjusting mechanism comprises an upper guide pipe which is in threaded connection with the cylinder wall, an upper sliding bolt is arranged in the upper guide pipe, the left end of the upper sliding bolt is connected with an upper pin, the upper pin extends out of a strip-shaped window of the upper guide pipe, the end part of the upper pin is rotatably connected with the lower end of an upper conductive arm, the upper pin is sleeved with a torsion spring, the upper torsion spring compresses the upper conductive arm, the right end part of the upper sliding bolt is rotatably connected with the left end of an upper adjusting screw, and the upper adjusting screw is in threaded connection with an internal thread at; the lower adjusting mechanism comprises a lower guide pipe in threaded connection with the cylinder wall, a lower sliding bolt is arranged in the lower guide pipe, the left end of the lower sliding bolt is connected with a lower pin, the lower pin extends out of a strip-shaped window of the lower guide pipe, the end part of the lower pin is rotatably connected with the lower end of a lower conductive arm, a lower torsional spring is sleeved on the lower pin, the lower torsional spring compresses the lower conductive arm, the right end part of the lower sliding bolt is rotatably connected with the left end of a lower adjusting screw, and the lower adjusting screw is in threaded connection with an internal thread at the right end of the.
The expansion liquid is mercury.
An accommodating space is reserved between the lower ball body of the double-ball cup and the bottom of the cylinder body, so that good temperature conduction can be performed between the external liquid and the expansion liquid in the lower ball body.
The upper sealing gasket and the lower sealing gasket are rubber sealing gaskets, and the first sealing ring and the second sealing ring are O-shaped rubber sealing rings.
The utility model relates to a full-automatic liquid freeze-proof device, the device range of application is extensive, and degree of automation is high, can prevent effectively that liquid from freezing, has avoided the potential safety hazard, has ensured production life.
Drawings
Fig. 1 is a schematic view of the present invention in a partial sectional structure.
Fig. 2 is a schematic view of the sectional structure of the expansion liquid type thermostat of the present invention.
Fig. 3 is a partial cross-sectional view of an enlarged structure of part a of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings so as to enable those skilled in the art to more clearly understand the invention.
As shown in fig. 1, the present invention comprises a liquid storage tank 1, an outlet at the upper part of the liquid storage tank is connected with an inlet of a return pipe 2, and an inlet at the lower part of the liquid storage tank is connected with an outlet of the return pipe; the return pipe is connected with a three-way pipe 8 in series, and the three-way pipe is connected with an expansion liquid type temperature controller 3; the reflux pipe is also connected with a liquid pump 4 in series, one terminal of the liquid pump is connected with the negative electrode of the power supply, the other terminal of the liquid pump is connected with a normally open contact of a first relay 5, the other end of the normally open contact of the first relay is connected with the positive electrode of the power supply, and the first relay is controlled by an expansion liquid type temperature controller; an electric heater 6 is installed in the liquid storage tank, one end of the electric heater is connected with the negative electrode of the power supply, the other end of the electric heater is connected with a second relay 7 normally open contact, the other end of the second relay normally open contact is connected with a first relay normally open contact, and the second relay is controlled by an expansion liquid type temperature controller.
As shown in figure 2, the expansion liquid type temperature controller comprises a barrel body 3-1, a communicating pipe 3-2 is arranged at the bottom of the barrel body and is connected with the three-way pipe, a lower sealing gasket 3-3 is arranged at the bottom of the barrel body, an upper sealing gasket 3-4 is arranged at the upper part of the lower sealing gasket, a circular pressing plate 3-5 is arranged at the upper part of the upper sealing gasket, a pressing bolt 3-6 sequentially penetrates through a through hole of the pressing plate, a through hole of the upper sealing gasket, a through hole of the lower sealing gasket, a through hole of the barrel body and a through hole of a supporting frame 3-7 and then is screwed with a nut, a spherical accommodating space is arranged at the centers of the upper sealing gasket and the lower sealing gasket, a lower ball of a double-ball cup 3-8 is arranged in the accommodating space, expansion liquid 3-9 is filled in the lower ball, the pushing piston is sleeved with a first sealing ring 3-11 and is provided with a one-way valve 3-12, the one-way valve prevents expansion liquid in the lower ball body from flowing into the upper ball body, the pushing piston is fixedly connected with the lower part of a pushing rod 3-13, the middle part of the pushing rod is sleeved with a guide piston 3-14, the guide piston can move up and down in a straight tube at the upper part of the double-ball cup, the guide piston is sleeved with a second sealing ring 3-15, the upper part of the pushing rod is sleeved with a mounting column 3-16, the mounting column is connected with an electrical component, the bottom of the mounting column is provided with a chuck 3-17, the chuck is sleeved with the pushing rod, the upper part of the mounting column is sleeved with a spring seat 3-18, a conical spring 3-19 is arranged on the spring seat, the upper part of the conical spring is provided with a gland 3-20, the, the center of the cylinder cover is provided with a through hole which is in threaded connection with the pipe fittings 3-22, the inner circumferential surface of each pipe fitting is provided with an internal thread, the adjusting screws 3-23 are in threaded connection with the internal threads of the pipe fittings, and the top of the cylinder cover is also provided with a protective cover 3-24.
As shown in fig. 3, the electrical component comprises an upper conductive ring 3-25 and a lower conductive ring 3-26 which are respectively sleeved on the mounting post, the upper conductive ring is connected with a first lead, the other end of the first lead extends out of the cylinder body and is connected with a second relay electromagnetic coil, the other end of the second relay electromagnetic coil is connected between a normally open contact of the first relay and a normally open contact of the second relay, the upper conductive ring can be moved up and down along with the push rod to connect or disconnect an upper conductive arm 3-27, the upper end of the upper conductive arm is connected with a second lead, and the other end of the second lead extends out of the cylinder body and is connected with the negative pole of the power; the lower conducting ring is connected with a third wire, the other end of the third wire extends out of the barrel to be connected with a first relay electromagnetic coil, the other end of the first relay electromagnetic coil is connected with the anode of a power supply, the lower conducting ring can be connected with or disconnected from the lower conducting arms 3-28 along with the up-and-down movement of the push rod, the upper end of the lower conducting arm is connected with a fourth wire, the other end of the fourth wire extends out of the cathode of the barrel to be connected with the power supply, the lower end of the upper conducting arm is connected with an upper adjusting mechanism, and the lower end of the lower conducting arm is connected with.
As a preferred embodiment of the present invention, as shown in fig. 3, the upper adjusting mechanism includes an upper guide tube 3-29 screwed on the wall of the cylinder, an upper sliding bolt 3-31 is disposed in the upper guide tube, the left end of the upper sliding bolt is connected with an upper pin 3-33, the upper pin extends out of the strip window of the upper guide tube, the end of the upper pin is rotatably connected with the lower end of the upper conductive arm, the upper pin is sleeved with a torsion spring 3-35, the upper torsion spring compresses the upper conductive arm, the right end of the upper sliding bolt is rotatably connected with the left end of an upper adjusting screw 3-37, and the upper adjusting screw is screwed with an internal thread at the right end of the upper; the lower adjusting mechanism comprises a lower guide pipe 3-30 which is in threaded connection with the wall of the cylinder, a lower sliding bolt 3-32 is arranged in the lower guide pipe, the left end of the lower sliding bolt is connected with a lower pin 3-34, the lower pin extends out of a strip-shaped window of the lower guide pipe, the end part of the lower pin is rotatably connected with the lower end of a lower conductive arm, the lower pin is sleeved with a lower torsion spring 3-36, the lower torsion spring compresses the lower conductive arm, the right end part of the lower sliding bolt is rotatably connected with the left end of a lower adjusting screw 3-38, and the lower adjusting screw is in threaded connection with internal threads at the right.
Preferably, the expansion fluid is mercury.
Furthermore, an accommodating space is reserved between the lower ball body of the double-ball cup and the bottom of the cylinder body, so that good temperature conduction can be performed between external liquid and expansion liquid in the lower ball body.
Preferably, the upper sealing gasket and the lower sealing gasket are rubber sealing gaskets, and the first sealing ring and the second sealing ring are O-shaped rubber sealing rings.
The working process of the utility model is as follows: when the temperature of the liquid reaches the freezing critical temperature, under the action of temperature conduction, the liquid level of the expansion liquid in the lower ball body of the double-ball cup is lowered, the piston and the push rod are pushed to move downwards under the action of the conical spring, the mounting column also moves downwards, at the moment, the lower conductive ring is contacted with the lower conductive arm, the first relay is attracted, the normally open contact of the first relay is closed, and the liquid pump is started to enable the liquid to flow through the return pipe; if the temperature of the liquid continues to drop, the liquid level of the expansion liquid in the lower ball body further drops, the piston is pushed to further drop together with the push rod, the mounting column further drops, at the moment, the upper conductive ring is in contact with the upper conductive arm, the second relay is attracted, the normally open contact of the second relay is closed, and on the premise that the liquid pump continues to work, the electric heater heats the liquid in the liquid storage tank; when the temperature of the liquid rises, the liquid level of the expansion liquid rises, and due to the stopping action of the one-way valve, the expansion liquid pushes the piston to move upwards so as to drive the push rod to move upwards, the upper conductive ring on the mounting column is separated from the upper conductive arm, the second relay is released, the normally open contact of the second relay is disconnected, the electric heater stops heating, and the liquid pump continues to work; if the temperature of the liquid continues to rise, the liquid level of the expansion liquid in the lower ball body enables the pushing piston to continue to rise, at the moment, the lower conducting ring is separated from the lower conducting arm, the first relay is released, the normally open contact of the first relay is disconnected, and the liquid pump stops working; if the temperature of the liquid continues to rise and exceed the set value, the piston is pushed to enter the upper sphere in the double-sphere cup along with the upward movement of the pushing piston, the expansion liquid flows into the upper sphere of the double-sphere cup from the periphery of the pushing piston so as to avoid the expansion of the expansion liquid from damaging the expansion liquid type temperature controller, and after the lower sphere falls, the expansion liquid remained in the upper sphere flows back into the lower sphere through the one-way valve. The contact stroke of the upper conductive ring and the upper conductive arm can be changed by adjusting the upper adjusting screw, and similarly, the contact stroke of the lower conductive ring and the lower conductive arm can be changed by adjusting the lower adjusting screw.
The utility model relates to a full-automatic liquid freeze-proof device, the device range of application is extensive, and degree of automation is high, can prevent effectively that liquid from freezing, has avoided the potential safety hazard, has ensured production life.
Claims (7)
1. The utility model provides a full-automatic liquid freeze-proof device which includes liquid storage tank (1), its characterized in that: an outlet at the upper part of the liquid storage tank is connected with an inlet of the return pipe (2), and an inlet at the lower part of the liquid storage tank is connected with an outlet of the return pipe; the return pipe is connected with a three-way pipe (8) in series, and the three-way pipe is connected with an expansion liquid type temperature controller (3); the backflow pipe is also connected with a liquid pump (4) in series, one terminal of the liquid pump is connected with the negative electrode of the power supply, the other terminal of the liquid pump is connected with a normally open contact of a first relay (5), the other end of the normally open contact of the first relay is connected with the positive electrode of the power supply, and the first relay is controlled by an expansion liquid type temperature controller; an electric heater (6) is installed in the liquid storage tank, one end of the electric heater is connected with the negative electrode of the power supply, the other end of the electric heater is connected with a second relay (7) normally open contact, the other end of the second relay normally open contact is connected with a first relay normally open contact, and the second relay is controlled by an expansion liquid type temperature controller.
2. The fully automatic liquid freeze protection device of claim 1, characterized in that: the expansion liquid type temperature controller comprises a barrel body (3-1), a communicating pipe (3-2) is arranged at the bottom of the barrel body and connected with the three-way pipe, a lower sealing gasket (3-3) is arranged at the bottom of the barrel body, an upper sealing gasket (3-4) is arranged at the upper part of the lower sealing gasket, a circular pressing plate (3-5) is arranged at the upper part of the upper sealing gasket, a pressing bolt (3-6) sequentially penetrates through a through hole of the pressing plate, a through hole of the upper sealing gasket, a through hole of the lower sealing gasket, a through hole of the barrel body and a through hole of a supporting frame (3-7) and then is screwed with a nut, a spherical accommodating space is arranged at the centers of the upper sealing gasket and the lower sealing gasket, a lower ball body of a double-ball cup (3-8) is arranged in the accommodating space, expansion liquid (3-9) is filled in the, the push piston is sleeved with a first sealing ring (3-11), the push piston is provided with a one-way valve (3-12), the one-way valve prevents expansion liquid in the lower ball from flowing into the upper ball, the push piston is fixedly connected with the lower part of a push rod (3-13), the middle part of the push rod is sleeved with a guide piston (3-14), the guide piston can move up and down in a straight pipe at the upper part of the double-ball cup, the guide piston is sleeved with a second sealing ring (3-15), the upper part of the push rod is sleeved with a mounting column (3-16), the mounting column is connected with an electrical component, the bottom of the mounting column is provided with a chuck (3-17), the chuck is sleeved with the push rod, the upper part of the mounting column is sleeved with a spring seat (3-18), a conical spring (3-19) is arranged on the spring, the gland is sleeved on the push rod, the upper part of the barrel is in threaded connection with a barrel cover (3-21), a through hole is formed in the center of the barrel cover and is in threaded connection with a pipe fitting (3-22), the inner circumferential surface of the pipe fitting is provided with an internal thread, an adjusting screw (3-23) is in threaded connection with the internal thread of the pipe fitting, and a protective cover (3-24) is further mounted at the top of the barrel cover.
3. The fully automatic liquid freeze protection device of claim 2, characterized in that: the electric appliance assembly comprises an upper conducting ring (3-25) and a lower conducting ring (3-26) which are respectively sleeved on the mounting column, the upper conducting ring is connected with a first lead, the other end of the first lead extends out of the cylinder body and is connected with a second relay electromagnetic coil, the other end of the second relay electromagnetic coil is connected between a first relay normally-open contact and a second relay normally-open contact, the upper conducting ring can be connected with or disconnected with an upper conducting arm (3-27) along with the upward and downward movement of the push rod, the upper end of the upper conducting arm is connected with the second lead, and the other end of the second lead extends out of the cylinder body and is connected with the negative pole; the lower conducting ring is connected with a third wire, the other end of the third wire extends out of the barrel to be connected with a first relay electromagnetic coil, the other end of the first relay electromagnetic coil is connected with the anode of a power supply, the lower conducting ring can be connected with or disconnected with lower conducting arms (3-28) along with the up-and-down movement of the push rod, the upper end of the lower conducting arm is connected with a fourth wire, the other end of the fourth wire extends out of the cathode of the barrel to be connected with the power supply, the lower end of the upper conducting arm is connected with an upper adjusting mechanism, and the lower end of the lower conducting arm is connected with.
4. The fully automatic liquid freeze protection device of claim 3, characterized in that: the upper adjusting mechanism comprises an upper guide pipe (3-29) in threaded connection with the wall of the cylinder, an upper sliding bolt (3-31) is arranged in the upper guide pipe, the left end of the upper sliding bolt is connected with an upper pin (3-33), the upper pin extends out of a strip-shaped window of the upper guide pipe, the end part of the upper pin is rotatably connected with the lower end of an upper conductive arm, the upper pin is sleeved with a torsion spring (3-35), the upper conductive arm is tightly pressed by the upper torsion spring, the right end part of the upper sliding bolt is rotatably connected with the left end of an upper adjusting screw (3-37), and the upper adjusting screw is in threaded connection with; the lower adjusting mechanism comprises a lower guide pipe (3-30) in threaded connection with the wall of the cylinder, a lower sliding bolt (3-32) is arranged in the lower guide pipe, the left end of the lower sliding bolt is connected with a lower pin (3-34), the lower pin extends out of a strip-shaped window of the lower guide pipe, the end part of the lower pin is rotatably connected with the lower end of a lower conductive arm, a lower torsion spring (3-36) is sleeved on the lower pin, the lower torsion spring compresses the lower conductive arm, the right end part of the lower sliding bolt is rotatably connected with the left end of a lower adjusting screw (3-38), and the lower adjusting screw is in threaded connection with an internal thread at the.
5. The fully automatic liquid freeze protection device of claim 2, characterized in that: the expansion liquid is mercury.
6. The fully automatic liquid freeze protection device of claim 2, characterized in that: an accommodating space is reserved between the lower ball body of the double-ball cup and the bottom of the cylinder body, so that good temperature conduction can be performed between the external liquid and the expansion liquid in the lower ball body.
7. The fully automatic liquid freeze protection device of any one of claims 2 to 6, characterized in that: the upper sealing gasket and the lower sealing gasket are rubber sealing gaskets, and the first sealing ring and the second sealing ring are O-shaped rubber sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729571.3U CN210718051U (en) | 2019-10-16 | 2019-10-16 | Full-automatic liquid freeze-proof device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921729571.3U CN210718051U (en) | 2019-10-16 | 2019-10-16 | Full-automatic liquid freeze-proof device |
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| Publication Number | Publication Date |
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| CN210718051U true CN210718051U (en) | 2020-06-09 |
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| CN201921729571.3U Active CN210718051U (en) | 2019-10-16 | 2019-10-16 | Full-automatic liquid freeze-proof device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567150A (en) * | 2019-10-16 | 2019-12-13 | 中国十七冶集团有限公司 | Full-automatic liquid freeze-proof device |
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2019
- 2019-10-16 CN CN201921729571.3U patent/CN210718051U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567150A (en) * | 2019-10-16 | 2019-12-13 | 中国十七冶集团有限公司 | Full-automatic liquid freeze-proof device |
| CN110567150B (en) * | 2019-10-16 | 2024-05-07 | 中国十七冶集团有限公司 | Full-automatic liquid freeze-proof device |
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