CN218377855U - Safety valve - Google Patents
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- CN218377855U CN218377855U CN202220784028.9U CN202220784028U CN218377855U CN 218377855 U CN218377855 U CN 218377855U CN 202220784028 U CN202220784028 U CN 202220784028U CN 218377855 U CN218377855 U CN 218377855U
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Abstract
The utility model belongs to the technical field of leak control in the relief valve, concretely relates to relief valve, this relief valve includes valve body and sensor, the sensor is used for the interior leakage signal of induction valve body and outwards sends, the sensor is connected with gathers transmission module, gather transmission module and be used for gathering the data of the interior leakage signal that the sensor sent and send interior leakage signal data, it is connected with data processing module to gather transmission module, data processing module is used for receiving the interior leakage signal data that gathers transmission module sent and sends interior leakage alarm, the sensor is whole to be located the surface of valve body, propagate through the valve body in order to respond to interior leakage signal. The utility model discloses effectively solved among the prior art because of the sensor need penetrate in the relief valve body and cause the problem of influence to the structure of relief valve and emission performance.
Description
Technical Field
The utility model belongs to the technical field of leak control in the relief valve, concretely relates to relief valve with interior hourglass monitoring function.
Background
The safety valve belongs to the automatic valve class, can utilize the pressure of the medium in the system to discharge the medium of the rated flow in the system, and can realize the overpressure protection of the system with this, the concrete, the safety valve includes spring, valve core and valve base set in valve body of the safety valve, when the medium pressure is smaller than the setting pressure of the safety valve, the spring pushes the valve core and valve base to cooperate sealingly, so as to make the safety valve in the closed state; when the medium pressure exceeds the setting pressure of the safety valve, the spring is compressed, the valve core and the valve seat are separated, the safety valve is automatically opened, the medium flows out, and pressure reduction is completed; when the medium pressure returns to the normal value, the spring pushes the valve core to be in sealing fit with the valve seat so as to close the safety valve. In the prior art, the safety valve is widely applied to various fields of national economy, provides effective overpressure safety protection for pressure-bearing equipment such as boilers, pressure vessels or pressure pipelines, avoids the damage of the equipment caused by overpressure, and ensures the normal operation of the pressure-bearing equipment and the safety of operators.
Usually, when the medium pressure in the system is smaller than the setting pressure of the safety valve, that is, the valve core and the valve seat are in sealing fit, in such a case, medium leakage exceeding a certain degree is not allowed in the safety valve, but in the actual working process, the safety valve still has a medium internal leakage fault under the state that the safety valve is not opened. At present, the detection of leakage in the safety valve is mainly judged by the change of parameters such as temperature, noise and the like of inspection personnel on site, but the leakage degree of the safety valve is often very large at the moment, potential operation danger exists on the site, and if the safety valve leaks or jumps suddenly in a large amount, the generated noise and the like can damage the inspection personnel.
The invention patent application publication No. CN1299451A, published 2001.06.13, discloses a pressure reducing relief valve monitoring device having a leak sensor mounted on a pressure reducing relief valve housing, with the leak sensor disposed through the valve body of the relief valve proximate to the sealing surfaces of the valve seat and the valve core. When a leak occurs inside the pressure relief valve, noise in a particular frequency range is generated, and the leak sensor can detect the noise in the frequency range and transmit the noise to the process controller or the generating device to generate an alarm to indicate the presence of the leak in the pressure relief valve.
Among the monitoring device in the above-mentioned patent, because it needs to follow the valve body of relief valve to wear into in the valve body outward, so need process on the valve body of relief valve and supply to reveal the perforation that the sensor passed, not only can cause the change of the original structure of relief valve like this, increase the processing cost, when revealing between sensor and the perforation when tight not tight, perhaps, when medium pressure is great, the medium is revealed from the perforation very easily, influences the emission performance of relief valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a relief valve to solve among the prior art and need penetrate the relief valve in vivo and cause the problem of influence to the structure of relief valve and emission performance because of the sensor.
In order to achieve the above object, the safety valve of the present invention adopts the following technical solution:
the utility model provides a safety valve, includes valve body and sensor, the sensor is used for responding to the interior leakage signal in the valve body and outwards sends, the sensor is connected with gathers transmission module, gather transmission module and be used for gathering the data of the interior leakage signal that the sensor sent and send interior leakage signal data, gather transmission module and be connected with data processing module, data processing module is used for receiving the interior leakage signal data that gathers transmission module sent and send interior leakage alarm, the sensor is whole to be located the surface of valve body to the response is passed through the valve body and is propagated interior leakage signal.
The beneficial effects of the above technical scheme are that: the utility model discloses an among the relief valve, because the sensor is whole to be located the surface of valve body, and because the sensor passes through the solid propagation of valve body and realizes the response to interior leakage signal in the relief valve, consequently compare with prior art, the utility model discloses an among the relief valve, inside the sensor need not to stretch into the valve body, consequently need not to process the relief valve, guaranteed the original structure of relief valve, avoided the increase of processing cost, simultaneously because of need not the processing hole on the valve body, so also guaranteed the normal emission performance of relief valve, in addition, the internal interior leakage signal of relief valve passes through the solid propagation of valve body for the decay rate of interior leakage signal intensity is slower, is favorable to improving the monitoring precision of leaking in the relief valve.
Furthermore, the acquisition transmission module comprises a data acquisition instrument and a wireless signal transmitter, the data acquisition instrument is connected with the sensor and is used for acquiring the data of the inner leakage signal sent by the sensor and sending the inner leakage signal data, and the wireless signal transmitter is connected with the data acquisition instrument and is used for sending the inner leakage signal data sent by the data acquisition instrument to the data processing module.
The technical scheme has the advantages that the data acquisition instrument can acquire the data of the inner leakage signal sent by the sensor, so that the inner leakage signal can be observed and judged more conveniently in a data form, and the accuracy of judging the inner leakage condition of the safety valve is further ensured. Through the wireless transmission of the wireless signal transmitter, the remote arrangement between the data acquisition instrument and the data processing module can be realized, the cable connection between the data acquisition instrument and the data processing module is also avoided, the cable is saved, and in addition, the data transmission between the data acquisition instrument and the data processing module is also facilitated.
Further, the sensor is bonded to the valve body.
The technical scheme has the advantages that the sensor can be conveniently installed on the valve body, and the installation efficiency is improved.
Furthermore, the safety valve is provided with an outlet, an outlet flange positioned at the outlet is arranged on the valve body, and the sensor is bonded on the outer side surface of the outlet flange.
The technical scheme has the beneficial effects that the sensor is bonded on the outer side surface of the outlet flange, so that normal induction of the sensor to inner leakage signals in the safety valve can be ensured, meanwhile, the outlet flange can shield the sensor to a certain extent, and the sensor is prevented from being knocked off the safety valve.
Further, the sensor is an acoustic emission sensor.
The technical scheme has the beneficial effect that the acoustic emission sensor is convenient for sensing the internal leakage signal of the safety valve.
Furthermore, the data processing module is connected with an acoustic alarm device.
The technical scheme has the beneficial effect that the sound alarm device is convenient for judging whether the internal leakage condition occurs in the safety valve.
Drawings
Fig. 1 is a schematic view of the assembly of a sensor on a valve body in the safety valve of the present invention;
fig. 2 is a schematic view of the connection relationship of the components in the safety valve of the present invention.
In the figure: 10. a safety valve; 11. a valve body; 12. an inlet; 13. an outlet; 14. an outlet flange; 15. a valve core; 16. a valve seat; 20. an acoustic emission sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the possible occurrence of the phrases "comprising a limited element of '8230', \8230;" 8230; "etc. does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses embodiment 1 of well relief valve:
as shown in fig. 1, the safety valve 10 includes a valve body 11, a valve core 15 and a valve seat 16 are arranged in the valve body 11, the valve core 15 and the valve seat 16 are in sealing fit to achieve communication and separation of an inlet 12 and an outlet 13 of the safety valve 10, when the safety valve 10 leaks internally, a medium in the valve body 11 leaks from a sealing surface between the valve core 15 and the valve body 11 and forms turbulence, a large amount of vortexes are generated in the development process of the turbulence, and sound wave vibration can be formed by deformation and breakage of the vortexes and appears as leakage noise. It is therefore possible to monitor whether or not the safety valve 10 is leaking internally by monitoring the internal leakage signal within the safety valve 10.
As shown in fig. 1, the safety valve 10 has an inlet 12 for the medium to flow in and an outlet 13 for the medium to flow out, and the valve body 11 is provided with an outlet flange 14 at the outlet 13, and the outlet flange 14 is used for bolting with other pipelines. As shown in fig. 1 and 2, the safety valve 10 further includes a sensor, in this embodiment, the sensor is an acoustic emission sensor 20, and the acoustic emission sensor 20 is integrally bonded to the outer side surface of the outlet flange 14 and integrally located outside the valve body 11 of the safety valve 10, that is, the acoustic emission sensor 20 is integrally located on the outer surface of the valve body 11.
Because the noise accessible valve body 11 that produces when interior hourglass carries out the solid and propagates, consequently acoustic emission sensor 20 can respond to the noise that propagates through valve body 11, and this noise takes place the interior hourglass signal of interior hourglass for the relief valve, and acoustic emission sensor 20 can respond to the interior hourglass signal of propagating through valve body 11 promptly to can be with the interior hourglass signal conversion who senses electric signal of telecommunication, send with the form of electric signal.
As shown in fig. 2, the acoustic emission sensor 20 is connected to a data collecting module, the data collecting module includes a data collector, the data collector is connected to the acoustic emission sensor 20 through a cable, and the data collector is used for collecting data of an internal leakage signal sent by the acoustic emission sensor 20 and sending data of the internal leakage signal.
As shown in fig. 2, the data collecting module further includes a wireless signal transmitter connected to the data collecting instrument through a cable, and the safety valve 10 further includes a data processing module, wherein, in this embodiment, the data processing module is a client located in the control room, the wireless signal transmitter is configured to wirelessly transmit the data of the inner leakage signal collected by the data collecting instrument to the client in the control room, and the client is configured to monitor the peak frequency and the sound intensity change of the inner leakage signal, so as to determine whether the inner leakage occurs in the safety valve 10, and finally, to remotely monitor whether the inner leakage occurs in the safety valve 10.
The utility model discloses an among the relief valve, because the sensor is whole to be located the surface of valve body, and because the sensor passes through the solid propagation of valve body to realize the response to the interior leakage signal of specific frequency range in the relief valve, consequently compare with prior art, the utility model discloses an among the relief valve, inside the sensor need not to stretch into the valve body, consequently need not to process the relief valve, guaranteed the original structure of relief valve, avoided the increase of processing cost, simultaneously because of need not the processing hole on the valve body, so also guaranteed the normal discharge performance of relief valve, in addition, the internal interior leakage signal of relief valve passes through the solid propagation of valve body for the decay rate of interior leakage signal intensity is slower, is favorable to improving the monitoring precision of leaking in the relief valve.
The utility model discloses embodiment 2 of well relief valve:
the difference between this embodiment and embodiment 1 is that, in embodiment 1, the acquisition and transmission module includes a data acquisition instrument connected to the sensor and a wireless signal transmitter connected to the data acquisition instrument, and the data acquired by the data acquisition instrument can be wirelessly transmitted to the data analysis module through the wireless signal transmitter. In this embodiment, the collection and transmission module includes a data collection device connected to the sensor, the data collection device is used for collecting data of an inner leakage signal sent by the sensor and sending the data of the inner leakage signal, the data collection device is connected to the data processing module through a cable, and the collected data of the inner leakage signal is directly sent to the data processing module.
The utility model discloses embodiment 3 of well relief valve:
the present embodiment is different from embodiment 1 in that in embodiment 1, the sensor is mounted on the outlet flange 14 of the safety valve 10. In other embodiments, the sensor may be mounted at any position on the valve body 11, as long as the sensor can sense the internal leakage signal in the safety valve 10.
The utility model discloses embodiment 4 of well relief valve:
the present embodiment is different from embodiment 1 in that in embodiment 1, the sensor is bonded to the valve body 11 of the safety valve 10. In this embodiment, the sensor is fixed to the safety valve 10 by a clamp. In other embodiments, the safety valve 10 may be fixed to the safety valve 10 by screws.
The utility model discloses embodiment 5 of well relief valve:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the data processing module is a client, and the client is configured to monitor the peak frequency and the sound intensity change of the internal leakage signal to determine whether internal leakage occurs in the safety valve 10. In this embodiment, the data processing module is connected to an acoustic alarm device, and the acoustic alarm device emits an alarm sound to visually determine the internal leakage condition of the safety valve 10.
The utility model discloses embodiment 6 of well relief valve:
the present embodiment is different from embodiment 1 in that the sensor in embodiment 1 is an acoustic emission sensor 20. In other embodiments, the sensor may be a listening device, a microphone, a surface acoustic wave sensor, an acoustic frequency sensor, or the like.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a safety valve, including valve body (11) and sensor, the sensor is used for responding to interior leakage signal in valve body (11) and outwards sends, the sensor is connected with gathers transmission module, gather transmission module and be used for gathering the data of the interior leakage signal that the sensor sent and send interior leakage signal data, it is connected with data processing module to gather transmission module, data processing module is used for receiving the interior leakage signal data that gathers transmission module and send interior leakage alarm, a serial communication port, the sensor is whole to be located the surface of valve body (11), in order to respond to through valve body (11) propagation interior leakage signal.
2. The safety valve according to claim 1, characterized in that the acquisition and transmission module comprises a data acquisition instrument (30) and a wireless signal transmitter (40), the data acquisition instrument (30) is connected with the sensor and is used for acquiring the data of the internal leakage signal sent by the sensor and sending out the data of the internal leakage signal, and the wireless signal transmitter (40) is connected with the data acquisition instrument (30) and is used for sending the data of the internal leakage signal sent by the data acquisition instrument (30) to the data processing module.
3. Safety valve according to claim 1 or 2, characterized in that the sensor is glued to the valve body (11).
4. A safety valve according to claim 3, characterised in that the safety valve (10) has an outlet (13), that the valve body (11) is provided with an outlet flange (14) at the outlet (13), and that the sensor is glued to the outer side of the outlet flange (14).
5. Safety valve according to claim 1 or 2, characterized in that the sensor is an acoustic emission sensor (20).
6. Safety valve according to claim 1 or 2, characterized in that the data processing module is connected with an acoustic alarm device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784028.9U CN218377855U (en) | 2022-04-06 | 2022-04-06 | Safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220784028.9U CN218377855U (en) | 2022-04-06 | 2022-04-06 | Safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218377855U true CN218377855U (en) | 2023-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220784028.9U Active CN218377855U (en) | 2022-04-06 | 2022-04-06 | Safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218377855U (en) |
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2022
- 2022-04-06 CN CN202220784028.9U patent/CN218377855U/en active Active
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