CN209959896U - Sealing monitoring system for valve sealing state - Google Patents
Sealing monitoring system for valve sealing state Download PDFInfo
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- CN209959896U CN209959896U CN201920704571.1U CN201920704571U CN209959896U CN 209959896 U CN209959896 U CN 209959896U CN 201920704571 U CN201920704571 U CN 201920704571U CN 209959896 U CN209959896 U CN 209959896U
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- 238000007789 sealing Methods 0.000 title claims abstract description 108
- 238000012544 monitoring process Methods 0.000 title claims abstract description 40
- 238000012806 monitoring device Methods 0.000 claims abstract description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 12
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- 231100001079 no serious adverse effect Toxicity 0.000 description 1
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Abstract
The embodiment of the utility model provides a sealed monitoring system about a valve seal state relates to valve technical field, and main aim at improves the fail safe nature that the valve used. A seal monitoring system for a valve seal condition, comprising: the safety valve comprises a shell, a switch, a safety channel, a pressure regulating device and a monitoring device, wherein the shell comprises a first connecting port, a second connecting port and a valve seat for connecting the first connecting port and the second connecting port; the first end of the secure channel extends to at least one of the interior region and the intermediate region; the pressure adjusting device is communicated with the safety channel and is used for adjusting the pressure in the safety channel to ensure that the pressure in the safety channel is different from the pressure outside the sealing involution surface; the monitoring device is communicated with the safety channel and used for monitoring pressure change or flow change of the safety channel. By monitoring the pressure change or flow change of the safety channel, the monitoring of the sealing state of the valve can be realized, so that the safe (dangerous substances do not leak) replacement of the sealing valve can be realized.
Description
Technical Field
The embodiment of the utility model provides a valve technical field especially relates to a valve seal state's sealed monitoring system.
Background
The valve is widely applied to various industries and mainly used for controlling the connection and disconnection of two pipelines.
In some working environments with lower sealing reliability, such as water pipe pipelines, if the sealing performance of the valve is damaged, the leakage of water in the two pipelines usually has no serious adverse effect, and the valve can be replaced after the water pipe leaks. However, in the fields of certain high-risk chemicals, medical equipment with high sealing requirements and the like, if the sealing performance of the valve fails, the two pipelines are cut off and fail, so that the flow of substances in the two pipelines is guided, and serious safety consequences can be caused, and the consequences are not imagined.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a sealing monitoring system for a valve sealing state, which mainly aims to improve the safety and reliability of the valve.
In order to achieve the above object, the embodiment of the present invention mainly provides the following technical solutions:
in one aspect, an embodiment of the present invention provides a sealing monitoring system for a valve sealing state, including:
a housing including a first connection port, a second connection port, a valve seat connecting the first connection port and the second connection port;
the switch comprises an operating part and a valve core, wherein the valve core is positioned in the shell, the first end of the operating part is connected with the valve core, the second end of the operating part passes through a sealing hole of the shell and extends out of the shell, and the sealing hole comprises an outer side area close to the outside of the shell, an inner side area close to the inside of the shell and a middle area positioned in the outer side area and the inner side area; the valve core is used for being controlled by the second end of the control element to enable the sealing surface of the valve core and the sealing surface of the valve seat to be in sealing involution to form an annular sealing involution surface, so that the shell is in sealing connection with the valve core, the first connecting port and the second connecting port are closed, the annular sealing involution surface comprises an outer annular outline area, an inner annular outline area and an inner area, and the inner area is located between the annular outline area and the inner annular outline area;
a secure channel, a first end of the secure channel extending to at least one of the interior region and the intermediate region;
the pressure adjusting device is communicated with the safety channel and is used for adjusting the pressure in the safety channel to ensure that the pressure in the safety channel is different from the pressure outside the sealing butt joint surface;
and the monitoring device is communicated with the safety channel and is used for monitoring the pressure change or the flow change of the safety channel.
The embodiment of the utility model provides an aim and solve its technical problem still can adopt following technical measure to further realize.
Optionally, in the system for monitoring the sealing state of the valve, the safety channel is connected with a switch valve.
Optionally, the sealing monitoring system of the sealing state of the valve may further include a safety channel extending to the inner region and a second channel extending to the intermediate region;
the first passage communicates with the second passage.
Optionally, in the system for monitoring the sealing state of the valve, the first channel and the second channel are cast in the housing.
Optionally, in the system for monitoring the sealing state of the valve, the pressure adjusting device is a pneumatic adjusting device or a hydraulic adjusting device.
In another aspect, an embodiment of the present invention provides a method for using the sealing monitoring system for a sealing state of a valve, including the steps of:
controlling a second end of the operating element to enable a sealing surface of the valve core and a sealing surface of the valve seat to be in sealing involution to form an annular sealing involution surface;
adjusting the pressure in the safety channel to make the pressure in the safety channel different from the pressure in the shell or outside the shell;
and after the pressure in the safety channel is adjusted, monitoring the pressure change or flow change of the safety channel, and if the monitored pressure or flow change is larger than a preset threshold value, judging that the valve seal is invalid.
The embodiment of the utility model provides an aim and solve its technical problem still can adopt following technical measure to further realize.
Optionally, the use method of the sealing monitoring system for the sealing state of the valve includes the steps of:
and after the switch valve connected with the safety channel is closed, the second end of the operating control piece is controlled to separate the sealing surface of the valve core from the annular sealing involutory surface of the valve seat so as to communicate the first connecting port and the second connecting port.
Borrow by above-mentioned technical scheme, the utility model discloses technical scheme provides a valve seal state's sealed monitoring system has following advantage at least:
in the technical scheme provided by the embodiment of the utility model, the first end of the safety channel extends to the sealing hole inner region of the shell, the first end of the safety channel extends to the sealing surface middle region of the valve core, after the sealing surface of the valve core of the switch and the sealing surface of the valve seat are sealed and involuted to form the annular sealing involution surface, the pressure in the safety channel is adjusted to be different from the pressure in the shell through the pressure adjusting device, after the sealing hole of the shell is sealed and failed, because the pressure in the safety channel is different from the pressure in the shell or outside the shell, the flow guide can be formed between the inside of the shell or outside the shell and the safety channel, the opposite communication of the materials in the shell and outside the shell can be prevented, and the opposite communication of the materials of the first connecting port and the second connecting port can be prevented, by monitoring the pressure change or flow change of the safety channel, the monitoring of the sealing state of the valve can be realized, so that the safe (dangerous substances do not leak) replacement of the sealing valve can be realized.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the embodiments of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of an open state of a sealing monitoring system for a valve sealing state according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a closed state of a sealing monitoring system for a valve sealing state according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objectives of the embodiments of the present invention, the following detailed description will be given, with reference to the accompanying drawings and preferred embodiments, of a sealing monitoring system according to the sealing state of the valve provided by the embodiments of the present invention, with reference to the following detailed description. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Fig. 1 to fig. 2 show an embodiment of a sealing monitoring system for a valve sealing state according to the present invention, please refer to fig. 1 to fig. 2, an embodiment of the present invention provides a sealing monitoring system for a valve sealing state, including:
a housing 10 including a first connection port 11, a second connection port 12, and a valve seat 13 connecting the first connection port 11 and the second connection port 12;
the switch 20 comprises an operating part 21 and a valve core 22, the valve core 22 is positioned in the shell 10, a first end of the operating part 21 is connected with the valve core 22, a second end of the operating part 21 extends out of the shell 10 through a sealing hole 14 of the shell 10, and the sealing hole 14 comprises an outer area close to the outer A of the shell 10, an inner area close to the inner B of the shell and a middle area positioned in the outer area and the inner area; the valve core 22 is used for being operated by a second end of the operating control part 21 to enable a sealing surface of the valve core 22 to be in sealing alignment with a sealing surface of the valve seat 13 to form an annular sealing alignment surface, so that the housing 10 and the valve core 22 are in sealing connection, and the first connection port 11 is closed off from the second connection port 12, wherein the annular sealing alignment surface comprises an outer annular outline area, an inner annular outline area and an inner area, and the inner area is located between the annular outline area and the inner annular outline area;
a secure channel 30, a first end of said secure channel 30 extending to at least one of said interior region and said intermediate region;
a pressure adjusting device (not shown) communicating with the relief passage 30 for adjusting the pressure in the relief passage 30 so that the pressure in the relief passage 30 is different from the pressure outside the sealing mating surface;
and the monitoring device is communicated with the safety channel 30 and is used for monitoring the pressure change or the flow change of the safety channel.
In the technical scheme provided by the embodiment of the utility model, the first end of the safety channel extends to the sealing hole inner region of the shell, the first end of the safety channel extends to the sealing surface middle region of the valve core, after the sealing surface of the valve core of the switch and the sealing surface of the valve seat are sealed and involuted to form the annular sealing involution surface, the pressure in the safety channel is adjusted to be different from the pressure in the shell through the pressure adjusting device, after the sealing hole of the shell is sealed and failed, because the pressure in the safety channel is different from the pressure in the shell or outside the shell, the flow guide can be formed between the inside of the shell or outside the shell and the safety channel, the opposite communication of the materials in the shell and outside the shell can be prevented, and the opposite communication of the materials of the first connecting port and the second connecting port can be prevented, by monitoring the pressure change or flow change of the safety channel, the monitoring of the sealing state of the valve can be realized, so that the safe (dangerous substances do not leak) replacement of the sealing valve can be realized.
The outer and inner regions may be provided with sealing rings.
When the pressure of the safety channel is respectively greater than the pressure in the shell and the pressure outside the shell, if the sealing hole of the shell fails, the shell and the shell are communicated, and the fluid (air flow or liquid flow) of the safety channel flows into the shell and the shell, so that series flow of the substances in the shell and outside the shell is avoided. If the annular sealing involution surface of case takes place the back out of order, the first connector and the second connector intercommunication of casing, the fluid (air current or liquid stream) of safe passageway can flow to first connector and second connector, avoids the material series flow of first connector and second connector. When the pressure of the safety channel is respectively smaller than the pressure in the shell and the pressure outside the shell, if the sealing hole of the shell fails, the shell is communicated with the shell, and fluid (airflow or liquid flow) in the shell and outside the shell flows into the safety channel, so that series flow of substances in the shell and outside the shell is avoided. If the annular sealing involution surface of case takes place the back that became invalid, the first connector and the second connector intercommunication of casing, the fluid (air current or liquid stream) of first connector and second connector can flow to the safety passage, avoids the material of first connector and second connector to ally oneself with.
When the switch is opened, the sealing surface of the valve core is separated from the sealing surface of the valve seat, the safety channel is communicated with the first connecting port and the second connecting port, in order to prevent gas or liquid in the opened valve from flowing out of the safety channel, the safety channel is connected with a switch valve, and the switch valve can be closed when the valve is opened.
In practice, the safety channel 30 may comprise a first channel 31 extending to the inner area, or the safety channel may comprise a second channel 32 extending to the middle area, or the safety channel may comprise a first channel 31 extending to the inner area, or a second channel 32 extending to the middle area, and the first channel 31 is communicated with the second channel 32, so that whether a valve fails or not can be detected by a detection device.
In some embodiments, the first and second passages may be formed by machining the existing valve or by casting the valve into the housing. It will be readily understood that the housing is not limited to a single unitary piece but may be assembled from multiple pieces.
The pressure adjusting device is an air pressure adjusting device or a hydraulic adjusting device. When the substance injected into the safety channel is gas, the pressure regulating device can adopt a gas pressure regulating device, and when the substance injected into the safety channel is liquid, the pressure regulating device can adopt a hydraulic pressure regulating device. The pressure regulating device can comprise a vacuum pump, and the regulation of the negative pressure in the installation channel is realized through the vacuum pump. Alternatively, the pressure regulating device may include an air compressor, and the regulation of the positive pressure in the installation passage is realized by the air compressor. Alternatively, the pressure regulating means may include a gas tank filled with a positive pressure gas at a predetermined pressure, and the gas tank filled with the positive pressure gas is connected to the installation passage to regulate the installation passage to the predetermined pressure. Of course, when the installation channel requires negative pressure, the gas tank may be filled with negative pressure gas of a predetermined pressure, and the gas tank filled with negative pressure gas is connected to the installation channel to adjust the pressure of the installation channel to the predetermined pressure. The pressure regulating mode can be high-pressure gas and high-pressure liquid injection or air extraction, liquid extraction and other operations.
The utility model provides an above-mentioned valve seal state's sealed monitoring system's application method embodiment, the utility model discloses a valve seal state's sealed monitoring system's application method that an embodiment provided, including the step of closing the valve:
controlling a second end of the operating element to enable a sealing surface of the valve core and a sealing surface of the valve seat to be in sealing involution to form an annular sealing involution surface;
adjusting the pressure in the safety channel to make the pressure in the safety channel different from the pressure in the shell or outside the shell;
and after the pressure in the safety channel is adjusted, monitoring the pressure change or flow change of the safety channel, and if the monitored pressure or flow change is larger than a preset threshold value, judging that the valve seal is invalid.
In the technical scheme provided by the embodiment of the utility model, the first end of the safety channel extends to the sealing hole inner region of the shell, the first end of the safety channel extends to the sealing surface middle region of the valve core, after the sealing surface of the valve core of the switch and the sealing surface of the valve seat are sealed and involuted to form the annular sealing involution surface, the pressure in the safety channel is adjusted to be different from the pressure in the shell through the pressure adjusting device, after the sealing hole of the shell is sealed and failed, because the pressure in the safety channel is different from the pressure in the shell or outside the shell, the flow guide can be formed between the inside of the shell or outside the shell and the safety channel, the opposite communication of the materials in the shell and outside the shell can be prevented, and the opposite communication of the materials of the first connecting port and the second connecting port can be prevented, by monitoring the pressure change or flow change of the safety channel, the monitoring of the sealing state of the valve can be realized, so that the safe (dangerous substances do not leak) replacement of the sealing valve can be realized.
Adjusting the pressure in the safety channel to make the pressure in the safety channel different from the pressure in or outside the housing may specifically be:
the pressure in the safety channel is made different from the pressure in the housing. Alternatively, the pressure inside the safety channel is made different from the pressure outside the housing. Or, the pressure in the safety channel is different from the pressure outside the housing and inside the housing, for example, the pressure in the safety channel is respectively greater than the pressure outside the housing and inside the housing, or the pressure in the safety channel is respectively smaller than the pressure outside the housing and inside the housing, after the sealing hole of the housing fails, the substances (liquid or gas) outside the housing and inside the housing can be prevented from being communicated with each other, and meanwhile, after the sealing mating surface fails, the substances (liquid or gas) inside the first connecting port and the second connecting port in the housing can be prevented from being communicated with each other.
When the switch is opened, the sealing surface of the valve core is separated from the sealing surface of the valve seat, the safety channel is communicated with the first connecting port and the second connecting port, and in order to prevent gas or liquid in the opened valve from flowing out of the safety channel, the valve is opened:
after the switch valve connected with the safety channel is closed, the second end of the operating control member 21 is operated to separate the sealing surface of the valve core 22 from the annular sealing surface of the valve seat 13, so as to communicate the first connection port 11 with the second connection port 12.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed apparatus should not be construed to reflect the intent as follows: rather, the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the components of the apparatus of the embodiments may be adapted and arranged in one or more arrangements different from the embodiments. The components of the embodiments may be combined into one component and, in addition, they may be divided into a plurality of sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the components of any apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination. The various component embodiments of the present invention may be implemented in hardware, or in a combination thereof.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or components not listed in a claim. The word "a" or "an" preceding a component or element does not exclude the presence of a plurality of such components or elements. The present invention can be implemented with the aid of a device comprising a number of different components. In the claims enumerating several means, several of these means may be embodied by one and the same item. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (5)
1. A seal monitoring system for a valve seal condition, comprising:
a housing including a first connection port, a second connection port, a valve seat connecting the first connection port and the second connection port;
the switch comprises an operating part and a valve core, wherein the valve core is positioned in the shell, the first end of the operating part is connected with the valve core, the second end of the operating part passes through a sealing hole of the shell and extends out of the shell, and the sealing hole comprises an outer side area close to the outside of the shell, an inner side area close to the inside of the shell and a middle area positioned in the outer side area and the inner side area; the valve core is used for being controlled by the second end of the control element to enable the sealing surface of the valve core and the sealing surface of the valve seat to be in sealing involution to form an annular sealing involution surface, so that the shell is in sealing connection with the valve core, the first connecting port and the second connecting port are closed, the annular sealing involution surface comprises an outer annular outline area, an inner annular outline area and an inner area, and the inner area is located between the annular outline area and the inner annular outline area;
a secure channel, a first end of the secure channel extending to at least one of the interior region and the intermediate region;
the pressure adjusting device is communicated with the safety channel and is used for adjusting the pressure in the safety channel to ensure that the pressure in the safety channel is different from the pressure outside the sealing butt joint surface;
and the monitoring device is communicated with the safety channel and is used for monitoring the pressure change or the flow change of the safety channel.
2. The seal monitoring system of claim 1,
the safety channel is connected with a switch valve.
3. The seal monitoring system of claim 1,
the secure channel may include a first channel extending to the inner region, a second channel extending to the intermediate region;
the first passage communicates with the second passage.
4. The seal monitoring system of claim 3,
the first channel and the second channel are cast within the housing.
5. The seal monitoring system of claim 1,
the pressure adjusting device is an air pressure adjusting device or a hydraulic adjusting device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704571.1U CN209959896U (en) | 2019-05-15 | 2019-05-15 | Sealing monitoring system for valve sealing state |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920704571.1U CN209959896U (en) | 2019-05-15 | 2019-05-15 | Sealing monitoring system for valve sealing state |
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| CN209959896U true CN209959896U (en) | 2020-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946841A (en) * | 2019-05-15 | 2020-11-17 | 北京同方洁净技术有限公司 | Sealing monitoring system for valve sealing state and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946841A (en) * | 2019-05-15 | 2020-11-17 | 北京同方洁净技术有限公司 | Sealing monitoring system for valve sealing state and using method thereof |
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Address after: Room 1801, 18 / F, block a, Tsinghua Tongfang science and technology building, 1 Wangzhuang Road, Wudaokou, Haidian District, Beijing 100083 Patentee after: Beijing Tongfang Qinghuan Technology Co.,Ltd. Country or region after: China Address before: Room 1801, 18 / F, block a, Tsinghua Tongfang science and technology building, 1 Wangzhuang Road, Wudaokou, Haidian District, Beijing 100083 Patentee before: BEIJING TONGFANG CLEAN TECH Co.,Ltd. Country or region before: China |