CN115342222B - Valve closing device and main transformer - Google Patents
Valve closing device and main transformer Download PDFInfo
- Publication number
- CN115342222B CN115342222B CN202210954149.8A CN202210954149A CN115342222B CN 115342222 B CN115342222 B CN 115342222B CN 202210954149 A CN202210954149 A CN 202210954149A CN 115342222 B CN115342222 B CN 115342222B
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- rod
- valve
- valve closing
- rotating disc
- control motor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000001934 delay Effects 0.000 claims abstract 2
- 230000002093 peripheral effect Effects 0.000 claims 4
- 239000007788 liquid Substances 0.000 abstract description 23
- 230000009471 action Effects 0.000 description 7
- 230000000087 stabilizing effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention discloses a valve closing device and a main transformer, wherein the valve closing device comprises a pipeline and an electric power component, the pipeline is provided with a valve, the electric power component comprises a hydroelectric generator, a delay module and a control motor, the delay module is respectively and electrically connected with the hydroelectric generator and the control motor, a water wheel of the hydroelectric generator is arranged in the pipeline, when the valve is opened, water flow in the pipeline pushes the water wheel to rotate, the hydroelectric generator generates electricity, the delay module is electrified and delays the start of the control motor, and the control motor drives the valve to be closed. The hydroelectric generator can enable the power assembly to generate power for the hydroelectric generator without additional batteries or additional power sources; by arranging the delay module, the pipeline can allow liquid with certain flow to circulate, so that the control motor is prevented from being started immediately after the valve is opened, namely, the valve is prevented from being closed by mistake; the arrangement of the time delay module can also ensure the flow of liquid, so that the liquid amount taken by opening the valve every time is consistent.
Description
Technical Field
The invention relates to the technical field of pipeline valves, in particular to a valve closing device and a main transformer comprising the valve closing device.
Background
The main transformer is the equipment of the total step-down mainly used for power transmission and transformation in the transformer substation, and is also the core part of the transformer substation. The main transformer comprises a transformer body, an oil tank, a protection device, a cooling system and an outgoing line sleeve, wherein the oil tank is used for storing transformer oil, a pipeline is arranged on the oil tank, and the transformer oil in the oil tank is taken by opening a valve on the pipeline. However, in the operation process, the valve may be forgotten to be closed due to negligence, so that the oil level of the main transformer is too low, or the valve is opened due to collision of external force, so that oil leakage of a pipeline is caused, and the transformer oil is seriously lost.
Disclosure of Invention
One object of an embodiment of the invention is to: provided is a valve closing device capable of automatically closing a valve.
Another object of an embodiment of the invention is to: provided is a main transformer which is low in the amount of transformer oil to be consumed.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in a first aspect, a valve closing device is provided, which comprises a pipeline and an electric power component, wherein a valve is arranged on the pipeline, the electric power component comprises a hydroelectric generator, a delay module and a control motor, the delay module is respectively electrically connected with the hydroelectric generator and the control motor, a water wheel of the hydroelectric generator is arranged in the pipeline, when the valve is opened, water flow in the pipeline pushes the water wheel to rotate, the hydroelectric generator generates electricity, the delay module is electrified and is started in a delay mode, and the control motor drives the valve to be closed.
As a preferable scheme of the valve closing device, the valve closing device comprises an operating rod and a valve closing assembly, wherein one end of the operating rod is connected with the valve, the operating rod is provided with a first position and a second position, when the operating rod is in the first position, the valve is closed, when the operating rod rotates to the second position, the valve is opened, the operating rod is arranged outside the pipeline, the operating rod is connected with the outer side wall of the pipeline through a first elastic piece, the first elastic piece always has a trend of driving the operating rod to rotate towards the first position, the valve closing assembly is arranged outside the pipeline, the valve closing assembly comprises a limiting rod, the limiting rod abuts against the operating rod at the second position, the control motor is connected with the limiting rod, and the control motor can drive the limiting rod to be separated from the operating rod when being started.
As a preferable mode of the valve closing device, the valve closing assembly comprises a rotating disc and a ratchet group, the control motor drives the rotating disc to selectively rotate through the ratchet group, a fixed plate is arranged outside the pipeline, a first through hole is formed in the fixed plate, the limiting rod comprises a first rod and a second rod, one end of the first rod is hinged to the second rod, the other end of the first rod penetrates through the first through hole to be abutted to the operating rod, a non-end area of the first rod is hinged to a hole wall of the first through hole, one end of the second rod, far away from the first rod, is hinged to the rotating disc, the rotating disc is provided with a third position and a fourth position, when the rotating disc is in the third position, the first rod is used for abutting against the operating rod, and when the rotating disc rotates towards the fourth position, the second rod pulls the first rod to enable the first rod to be separated from the operating rod.
As a preferred solution of the valve closing device, the valve closing assembly includes a second elastic member, two ends of the second elastic member are respectively connected with the fixed plate and the rotating disc, and the second elastic member always has a tendency to drive the rotating disc to return to the third position.
As a preferable scheme of the valve closing device, a first limit post is arranged on the outer side wall of the pipeline, the ratchet group comprises a ratchet body and a pawl, the ratchet body is connected with an output shaft of the control motor, a non-end area of the pawl is hinged with the rotating disc, one end of the pawl is meshed with the ratchet body, when the rotating disc rotates to the fourth position, one end of the pawl away from the ratchet body is abutted against the first limit post, the pawl is separated from the ratchet body, and the rotating disc stops rotating.
As a preferable scheme of the valve closing device, a second limit post is arranged on the outer side wall of the pipeline, when the rotating disc is reset to the third position, one end, away from the ratchet wheel body, of the pawl abuts against the second limit post, and the pawl is meshed with the ratchet wheel body.
As a preferable mode of the valve closing device, the valve closing assembly comprises a connecting shaft, the connecting shaft is connected with an output shaft of the control motor, the ratchet body is fixed on the connecting shaft, and the rotating disc is connected with the connecting shaft through a bearing.
As a preferable scheme of the valve closing device, a surrounding wall is arranged on one side face of the rotating disc, the ratchet body is located in an annular area of the surrounding wall, a second through hole is formed in the surrounding wall, the pawl penetrates through the second through hole, and the limiting rod is arranged on one side face, far away from the surrounding wall, of the rotating disc.
As a preferable mode of the valve closing device, the end of the first through hole is horn-shaped.
In a second aspect, a main transformer is provided, comprising the valve closing device.
The beneficial effects of the invention are as follows: the hydroelectric generator can enable the power assembly to generate power for the hydroelectric generator without additional batteries or additional power sources; by arranging the delay module, the pipeline can allow liquid with certain flow to circulate, so that the control motor is prevented from being started immediately after the valve is opened, namely, the valve is prevented from being closed by mistake; the arrangement of the time delay module can also ensure the flow of liquid, so that the liquid amount taken by opening the valve every time is consistent.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
Fig. 1 is a schematic top view of a valve closing device according to an embodiment of the invention.
FIG. 2 is a schematic diagram of a valve closing assembly according to an embodiment of the invention.
FIG. 3 is a schematic view of another state of the valve closing assembly according to the embodiment of the present invention.
Fig. 4 is a schematic front view of a valve closing device according to an embodiment of the invention.
In the figure:
1. a pipe; 2. a valve; 201. an operation lever; 3. a fixing plate; 301. a first through hole; 4. a limit rod; 401. a first lever; 402. a second lever; 5. a first elastic member; 6. a first limit post; 7. the second limit column; 8. a ratchet body; 9. a pawl; 10. a rotating disc; 11. a surrounding wall; 12. a connecting shaft; 13. a coupling; 14. a reduction gear set; 15. controlling a motor; 16. a hydroelectric generator; 17. a voltage stabilizing module; 18. a delay module; 19. and a second elastic member.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the valve closing device provided by the invention comprises a pipeline 1 and an electric power component, wherein a valve 2 is arranged on the pipeline 1, the electric power component comprises a hydroelectric generator 16, a delay module 18 and a control motor 15, the delay module 18 is respectively and electrically connected with the hydroelectric generator 16 and the control motor 15, a water wheel of the hydroelectric generator 16 is arranged in the pipeline 1, when the valve 2 is opened, water flow in the pipeline 1 pushes the water wheel to rotate, the hydroelectric generator 16 generates electricity, the delay module 18 is electrified and the control motor 15 is started in a delayed manner, and the control motor 15 drives the valve 2 to be closed. When the liquid flows into the pipeline 1, the liquid can impact the water wheel of the hydroelectric generator 16, the water wheel can convert the energy of water flow into mechanical energy, the mechanical energy is converted into electric energy through the hydroelectric generator 16, the delay module 18 is electrified and time-counting, when the liquid flow exceeds a set time period, the flow is not stopped, at the moment, the delay module 18 is switched on, the output voltage starts the control motor 15, the control motor 15 starts to close the valve 2, and liquid outlet is stopped; by arranging the power assembly, the starting of the motor 15 can be controlled by generating electric energy according to the liquid flow, so that the valve 2 is automatically closed, and the waste caused by continuous liquid loss is avoided; the provision of the hydro-generator 16 may enable the power assembly to generate electricity itself without the need for an external battery or external power source; by arranging the delay module 18, the pipeline 1 can allow liquid with a certain flow to circulate, so that the control motor 15 is prevented from being started immediately after the valve 2 is opened, namely, the valve 2 is prevented from being closed by mistake; the delay module 18 is also configured to ensure a consistent flow of liquid to be dispensed each time the valve 2 is opened.
The hydro-generator 16 is a prior art, and the hydro-generator 16 is an energy conversion device for converting potential energy of water into electric energy, and generally comprises a water wheel, a generator, a speed regulator, an excitation system, a cooling system, power station control equipment and the like.
Specifically, the valve closing device comprises an operating rod 201 and a valve closing assembly, one end of the operating rod 201 is connected with the valve 2, the operating rod 201 is provided with a first position and a second position, when the operating rod 201 is in the first position, the valve 2 is closed, when the operating rod 201 rotates to the second position, the valve 2 is opened, the operating rod 201 is arranged outside the pipeline 1, the operating rod 201 is connected with the outer side wall of the pipeline 1 through a first elastic piece 5, the first elastic piece 5 always has a trend of driving the operating rod 201 to rotate towards the first position, the valve closing assembly is arranged outside the pipeline 1, the valve closing assembly comprises a limiting rod 4, the limiting rod 4 abuts against the operating rod 201 in the second position, the control motor 15 is connected with the limiting rod 4, and the limiting rod 4 can be driven to be separated from the operating rod 201 when the control motor 15 is started. Through setting up action bars 201 and gag lever post 4, can conveniently control opening and closing of valve 2, in this embodiment, first elastic component 5 is reducing coil spring, rotates action bars 201 from first position to second position when supporting tightly with gag lever post 4, and first elastic component 5 energy storage when gag lever post 4 moves when separating with action bars 201, under the effect of first elastic component 5, action bars 201 rotate and reset to first position, and valve 2 closes.
The structure of the valve 2 in this embodiment is similar to a faucet in that the structure of the valve 2 is similar to the faucet, and the screwing part of the faucet corresponds to the operation lever 201 in this embodiment.
Specifically, the valve closing assembly includes a rotating disc 10 and a ratchet group, the control motor 15 drives the rotating disc 10 to selectively rotate through the ratchet group, a fixed plate 3 is arranged outside the pipeline 1, a first through hole 301 is arranged on the fixed plate 3, the limiting rod 4 includes a first rod 401 and a second rod 402, one end of the first rod 401 is hinged with the second rod 402, the other end of the first rod 401 passes through the first through hole 301 to be abutted against the operating rod 201, a non-end area of the first rod 401 is hinged with a hole wall of the first through hole 301, one end of the second rod 402, far away from the first rod 401, is hinged with the rotating disc 10, the rotating disc 10 has a third position and a fourth position, when the rotating disc 10 is in the third position, the limiting rod 4 is in the first position, at this time, the first rod 401 is used for abutting against the operating rod 201, when the rotating disc 10 rotates to the fourth position, the limiting rod 4 is in the second position, and in the process, the second rod 402 pulls the first rod 401 to separate the first rod 401 from the operating rod 201. By arranging the rotating disc 10, the installation of the limit rod 4 can be facilitated; the ratchet group is arranged, so that the rotating disc 10 can selectively rotate, and the phenomenon that the movement amplitude of the limiting rod 4 is overlarge due to overlarge rotating angle of the rotating disc 10 is avoided; through setting up integrated into one piece's gag lever post 4, can make gag lever post 4 have certain deformability, the convenient closure of control valve 2.
Specifically, the shutter assembly includes a second elastic member 19, both ends of the second elastic member 19 are respectively connected to the fixed plate 3 and the rotary disk 10, and the second elastic member 19 always has a tendency to drive the rotary disk 10 to return to the third position. By arranging the second elastic piece 19, the rotating disc 10 is facilitated to reset, and the limiting rod 4 is further promoted to reset to the first position, so that the next valve closing operation is facilitated. In the present embodiment, the second elastic member 19 is a cylindrical coil spring.
Specifically, the outer side wall of the pipeline 1 is provided with a first limit post 6, the ratchet group comprises a ratchet body 8 and a pawl 9 which are meshed, the ratchet body 8 is connected with an output shaft of a control motor 15, a non-end area of the pawl 9 is hinged with a rotating disc 10, one end of the pawl 9 is meshed with the ratchet body 8, when the rotating disc 10 rotates to a fourth position, one end of the pawl 9, which is far away from the ratchet body 8, is abutted against the first limit post 6, the pawl 9 is separated from the ratchet body 8, and the rotating disc 10 stops rotating. In this embodiment, the motor output shaft drives the ratchet body 8 to rotate, the ratchet body 8 drives the rotating disc 10 to rotate through the pawl 9, so as to drive the limiting rod 4 to move, when the rotating disc 10 rotates to the fourth position, one end of the pawl 9 away from the ratchet body 8 abuts against the first limiting post 6, so that the pawl 9 rotates, the pawl 9 is separated from the ratchet body 8, at this time, the ratchet body 8 can still continuously rotate along with the output shaft of the control motor 15, and the rotating disc 10 can not rotate along with the ratchet body 8 any more, so that the limiting rod 4 can be prevented from being pulled out; the ratchet body 8 and the pawl 9 are arranged, so that the rotation angle of the output shaft of the control motor 15 does not need to be set, and the limit rod 4 cannot be damaged when the control motor 15 continuously rotates.
The control motor 15 in this embodiment is a direct current motor, when the liquid flows towards the liquid outlet of the pipeline 1, the control motor 15 rotates forward, the stop lever 4 is driven to move by the ratchet group and the rotating disc 10, when the liquid flows reversely, the motor rotates reversely, and the rotating disc 10 can be kept motionless under the action of the ratchet group.
Specifically, the outer side wall of the pipeline 1 is provided with a second limit post 7, when the rotating disc 10 is reset to the third position, one end, away from the ratchet body 8, of the pawl 9 abuts against the second limit post 7, and the pawl 9 is meshed with the ratchet body 8. By arranging the second limit post 7, the positioning can be facilitated when the rotating disc 10 and the limit rod 4 are reset.
Specifically, the valve closing assembly includes a connection shaft 12, the connection shaft 12 is connected with an output shaft of a control motor 15, the ratchet body 8 is fixed on the connection shaft 12, and the rotary disk 10 is connected with the connection shaft 12 through a bearing. By arranging the connecting shaft 12, the assembly of the rotating disc 10 and the ratchet wheel body 8 can be facilitated, and the installation difficulty of the valve closing assembly is reduced. In the present embodiment, one end of the connecting shaft 12 is connected to an output shaft of the control motor 15 through the coupling 13, and the other end is mounted on the outer side wall of the pipe 1 through a bearing.
Specifically, a side of the rotating disc 10 is provided with a surrounding wall 11, the ratchet body 8 is located in an annular area of the surrounding wall 11, the surrounding wall 11 is provided with a second through hole, the pawl 9 penetrates through the second through hole, and the limit rod 4 is arranged on a side of the rotating disc 10 away from the surrounding wall 11. By arranging the enclosing wall 11, the ratchet body 8 is arranged in the annular area of the enclosing wall 11, and the enclosing wall 11 can provide shielding for the ratchet body 8, so that the collision between external equipment and the ratchet body 8 is avoided.
Specifically, the end of the first through hole 301 is horn-shaped. Because the first rod 401 of the limit rod 4 rotates, the end part of the first through hole 301 is in a horn shape, friction between the first through hole 301 and the first rod 401 can be avoided, and abrasion of the first rod 401 is reduced.
In this embodiment, the valve closing device further includes a voltage stabilizing module 17, where the voltage stabilizing module 17 is connected to the delay module 18 and the hydro-generator 16, respectively, and the voltage stabilizing module 17 can protect the output voltage from being stable, its input voltage is 0-18V, and the output voltage is constant to be 3V.
Preferably, a reduction gear set 14 is further provided between the control motor 15 and the connection shaft 12, so that the rotation speed of the connection shaft 12 can be reduced.
In the embodiment, the power generation voltage of the hydroelectric generator 16 is 9.8V-18.5V, the power is 3.5W, the operating liquid pressure is 0.08-0.45MP, the input voltage of the voltage stabilizing module 17 is 0-18V, the output is constant 3V, the power supply voltage of the demonstration power supply module is 3V, the time delay power-on time is 2 seconds-7.1 hours, and the maximum setting time is 1000 hours.
The use flow of the valve closing device of the embodiment is as follows: the valve 2 is opened manually, namely the operating rod 201 is rotated to a second position, the operating rod 201 is abutted against the limiting rod 4, at this time, liquid in the pipeline 1 flows, under the impact of the liquid, the hydroelectric generator 16 generates electric energy and transmits the electric energy to the voltage stabilizing module 17, the time delay module 18 is started for timing, when the liquid flow is blown for a set period of time, the time delay module 18 relay is switched on, the output voltage drives the control motor 15, the control motor 15 drives the ratchet body 8 and the rotating disc 10 to rotate through the rotating shaft (clockwise in fig. 1-3), so that the second rod 402 of the limiting rod 4 is promoted to pull the first rod 401 to rotate, the first rod 401 is separated from the operating rod 201, the operating rod 201 is reset to the first position under the action of the first elastic piece 5, and the valve 2 is closed; after the valve 2 is closed, no liquid flows in the pipeline 1, the hydroelectric generator 16 stops generating electricity, the control motor 15 is closed, the control motor 15 stops driving the connecting shaft 12 to rotate, under the action of the second elastic piece 19, the second elastic piece 19 can pull the rotating disc 10, so that the rotating disc 10 drives the pawl 9 to reset, of course, if the elasticity of the second elastic piece 19 is insufficient, the rotating disc 10 can be manually assisted to reset to a third position, and the limiting rod 4 is reset to a first position, namely an initial position.
The embodiment also provides a main transformer, which comprises the valve closing device in any embodiment. Because the valve closing device can automatically close the valve 2, the main transformer with the valve closing device can avoid continuous leakage of transformer oil caused by forgetting to close the valve, and reduce the loss of the transformer oil.
In other embodiments, the valve closing device can be applied to a tap water pipe, and the valve closing device can play a role of water leakage prevention, and of course, the valve closing device can also be applied to other pipelines for conveying liquid.
In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (8)
1. The valve closing device is characterized by comprising a pipeline and an electric power assembly, wherein a valve is arranged on the pipeline, the electric power assembly comprises a hydroelectric generator, a delay module and a control motor, the delay module is respectively and electrically connected with the hydroelectric generator and the control motor, a water wheel of the hydroelectric generator is arranged in the pipeline, when the valve is opened, water flow in the pipeline pushes the water wheel to rotate, the hydroelectric generator generates electricity, the delay module is electrified and delays the start of the control motor, and the control motor drives the valve to be closed;
the valve closing device comprises an operating rod and a valve closing assembly, wherein one end of the operating rod is connected with the valve, the operating rod is provided with a first position and a second position, when the operating rod is positioned at the first position, the valve is closed, when the operating rod rotates to the second position, the valve is opened, the operating rod is arranged outside a pipeline, the operating rod is connected with the outer side wall of the pipeline through a first elastic piece, the first elastic piece always has a trend of driving the operating rod to rotate towards the first position, the valve closing assembly is arranged outside the pipeline, the valve closing assembly comprises a limiting rod, the limiting rod abuts against the operating rod at the second position, a control motor is connected with the limiting rod, and the limiting rod can be driven to be separated from the operating rod when the control motor is started;
the valve closing assembly comprises a rotating disc and a ratchet group, the control motor drives the rotating disc to selectively rotate through the ratchet group, a fixed plate is arranged outside the pipeline, a first through hole is formed in the fixed plate, the limiting rod comprises a first rod and a second rod, one end of the first rod is hinged to the second rod, the other end of the first rod penetrates through the first through hole to be abutted to the operating rod, a non-end area of the first rod is hinged to the hole wall of the first through hole, one end of the second rod, far away from the first rod, is hinged to the rotating disc, the rotating disc is provided with a third position and a fourth position, when the rotating disc is located at the third position, the first rod is abutted to the operating rod, and when the rotating disc rotates towards the fourth position, the second rod pulls the first rod to separate from the operating rod.
2. The valve closing apparatus according to claim 1, wherein the valve closing assembly includes a second elastic member, both ends of the second elastic member are respectively connected to the fixed plate and the rotating disc, and the second elastic member always has a tendency to drive the rotating disc to return to the third position.
3. The valve closing apparatus according to claim 2, wherein the outer side wall of the pipe is provided with a first limit post, the ratchet group includes a ratchet body and a pawl, the ratchet body is connected with the output shaft of the control motor, a non-end region of the pawl is hinged with the rotating disc, one end of the pawl is meshed with the ratchet body, when the rotating disc rotates to the fourth position, one end of the pawl away from the ratchet body abuts against the first limit post, the pawl is separated from the ratchet body, and the rotating disc stops rotating.
4. A valve closing apparatus according to claim 3, wherein a second limit post is provided on the outer side wall of the pipe, and when the rotating disc is returned to the third position, an end of the pawl away from the ratchet body abuts against the second limit post, and the pawl is engaged with the ratchet body.
5. A valve closing apparatus according to claim 3 or 4, wherein the valve closing assembly includes a connection shaft connected to an output shaft of the control motor, the ratchet body is fixed to the connection shaft, and the rotating disc is connected to the connection shaft through a bearing.
6. A valve closing apparatus according to claim 3, wherein a peripheral wall is provided on a side of the rotatable disc, the ratchet body is located in an annular region of the peripheral wall, a second through hole is provided in the peripheral wall, the pawl extends through the second through hole, and the stop lever is provided on a side of the rotatable disc remote from the peripheral wall.
7. The valve closing apparatus according to claim 1, wherein an end of the first through hole is horn-shaped.
8. A main transformer comprising a valve closing device according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210954149.8A CN115342222B (en) | 2022-08-10 | 2022-08-10 | Valve closing device and main transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210954149.8A CN115342222B (en) | 2022-08-10 | 2022-08-10 | Valve closing device and main transformer |
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| CN115342222A CN115342222A (en) | 2022-11-15 |
| CN115342222B true CN115342222B (en) | 2024-03-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB223313A (en) * | 1923-07-19 | 1924-10-20 | Lowe James Neville | Improvements in or relating to valve operating mechanism |
| CN201448505U (en) * | 2009-08-07 | 2010-05-05 | 杨兴军 | Hydraulic pressure pipeline automatic closure valve |
| FR2947844A1 (en) * | 2009-07-08 | 2011-01-14 | C U M P | PERIODIC DISCHARGE DEVICE AND TANK FOR WASTEWATER PURIFICATION SYSTEM |
| CN104633227A (en) * | 2014-12-27 | 2015-05-20 | 东莞品派实业投资有限公司 | Control method for wiring-free intelligent control electronic metering water valve capable of achieving electricity self-generation |
| CN211449813U (en) * | 2019-12-20 | 2020-09-08 | 新奥数能科技有限公司 | Self-powered steam control valve device |
| CN214890549U (en) * | 2020-12-22 | 2021-11-26 | 泉州市华瑞创新科技有限公司 | Water intaking valve detecting system |
-
2022
- 2022-08-10 CN CN202210954149.8A patent/CN115342222B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB223313A (en) * | 1923-07-19 | 1924-10-20 | Lowe James Neville | Improvements in or relating to valve operating mechanism |
| FR2947844A1 (en) * | 2009-07-08 | 2011-01-14 | C U M P | PERIODIC DISCHARGE DEVICE AND TANK FOR WASTEWATER PURIFICATION SYSTEM |
| CN201448505U (en) * | 2009-08-07 | 2010-05-05 | 杨兴军 | Hydraulic pressure pipeline automatic closure valve |
| CN104633227A (en) * | 2014-12-27 | 2015-05-20 | 东莞品派实业投资有限公司 | Control method for wiring-free intelligent control electronic metering water valve capable of achieving electricity self-generation |
| CN211449813U (en) * | 2019-12-20 | 2020-09-08 | 新奥数能科技有限公司 | Self-powered steam control valve device |
| CN214890549U (en) * | 2020-12-22 | 2021-11-26 | 泉州市华瑞创新科技有限公司 | Water intaking valve detecting system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115342222A (en) | 2022-11-15 |
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