CN209878202U - Power station pressure sensor's waterproof protection installation device - Google Patents
Power station pressure sensor's waterproof protection installation device Download PDFInfo
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- CN209878202U CN209878202U CN201920453466.5U CN201920453466U CN209878202U CN 209878202 U CN209878202 U CN 209878202U CN 201920453466 U CN201920453466 U CN 201920453466U CN 209878202 U CN209878202 U CN 209878202U
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- 238000009434 installation Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000009530 blood pressure measurement Methods 0.000 abstract description 3
- 230000010349 pulsation Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000010360 secondary oscillation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a power station pressure sensor's waterproof protection installation device, including base and visor: the base and the protective cover are buckled to form a sealing structure with a space inside, and the sealing structure is used for accommodating the pressure sensor; the base is provided with a through hole for fixing the water inlet end of the pressure sensor; and one end of the protective cover, which is far away from the base, is provided with a wiring hole for leading out a data wire of the pressure sensor. The device is direct to install pressure sensor on conduit, avoids the error that the pressure measurement pipeline caused, and is convenient for overhaul pressure sensor.
Description
Technical Field
The utility model relates to the field of machinary, especially indicate a power station pressure sensor's waterproof protection installation device.
Background
In order to research the pressure pulsation characteristic of a water delivery pipeline in the transition process of a hydropower station, provide a technical basis for evaluating the design and manufacture of a hydraulic machine, and improve the running condition of a unit, pressure sensors are required to be arranged at positions such as a volute inlet, a top cover and a tail water elbow to acquire pressure pulsation data.
In the prior art, most of pressure sensors are installed on a pressure measuring pipeline led out from a water pipeline, and the pressure measuring pipeline may generate mechanical impact on the sensors under the condition and generate secondary oscillation of a connecting pipe, so that the accuracy of pressure acquisition is limited by the design, manufacture and installation conditions of the pressure measuring pipeline.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an aim at provides a power station pressure sensor's waterproof protection installation device, directly installs pressure sensor on conduit, avoids the error that the pressure measurement pipeline caused, and is convenient for overhaul pressure sensor.
Based on above-mentioned purpose the embodiment of the utility model provides a pair of power station pressure sensor's water proof protection installation device, including base and visor: the base and the protective cover are buckled to form a sealing structure with a space inside, and the sealing structure is used for accommodating the pressure sensor; the base is provided with a through hole for fixing the water inlet end of the pressure sensor; and one end of the protective cover, which is far away from the base, is provided with a wiring hole for leading out a data wire of the pressure sensor.
Optionally, an O-ring is disposed between the wiring hole and the data line of the pressure sensor.
Optionally, the sealing device further comprises a sealing plate, wherein the sealing plate is fixed on an end face of one end, away from the base, of the protective cover, so that the O-shaped sealing ring is tightly pressed and fixed on the protective cover; the sealing plate is fixed on the protective cover through screws.
Optionally, a sealing ring is disposed between the base and the protective cover.
Optionally, an annular sealing groove matched with the sealing ring is arranged on the base and used for accommodating the sealing ring.
Optionally, a sealing gasket is arranged at a joint of the water inlet end of the pressure sensor and the base.
Optionally, a water absorbing cushion layer is arranged in the space inside the protective cover, and the water absorbing cushion layer is sleeved outside the pressure sensor main body and is arranged close to the base.
Optionally, the base is of a round cake-shaped structure, and when the base is buckled with the protective cover, the base is embedded into the protective cover.
Optionally, the protective cover includes a base connecting portion and an extension portion connected to the base connecting portion, an outer diameter of the extension portion is smaller than the base connecting portion, and the extension portion and the base connecting portion are coaxially disposed.
Optionally, the base is connected to the protective cover by a plurality of bolts.
From the above, can see, the embodiment of the utility model provides a power station pressure sensor's waterproof protection installation device installs on power station water pipe such as spiral case import, draft tube elbow bend, earlier cut out the hole that matches with the maximum diameter department size of the visor of device in the assigned position of water pipe during installation, the one side that has the base is inside towards water pipe, with this visor's the outermost edge of the bottom weld this hole department to do the processing of polishing in the welding department. Because the pressure sensor is directly installed on the pipeline, the measuring base is flush with the inner wall of the flow channel, pressure pulsation is not measured through the pressure measuring pipeline, and errors caused by the pressure pulsation are avoided. The sensor is convenient to disassemble and assemble, only water in the pipeline needs to be discharged when the sensor is overhauled, and an overhaul worker can enter the pipeline to disassemble the base and then maintain and inspect the sensor.
Drawings
Fig. 1 is a cross-sectional view of a waterproof protective mounting device for a hydropower station pressure sensor according to an embodiment of the present invention;
fig. 2 is a bottom view of a water protection mounting device of a hydropower station pressure sensor according to an embodiment of the utility model;
fig. 3 is an exploded view of a water-proof installation device of a hydropower station pressure sensor according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it is understood that "first" and "second" are only used for convenience of expression and should not be understood as limitations to the embodiments of the present invention, and the following embodiments do not describe any more.
Fig. 1 is a cross-sectional view of a waterproof protective mounting device for a hydropower station pressure sensor according to an embodiment of the present invention; fig. 2 is a bottom view of a water protection mounting device of a hydropower station pressure sensor according to an embodiment of the utility model; fig. 3 is an exploded view of a water-proof installation device of a hydropower station pressure sensor according to an embodiment of the present invention.
The embodiment of the utility model provides a power station pressure sensor's waterproof protection installation device, as shown in fig. 1, fig. 2, fig. 3, including base 1 and visor 2. The base 1 and the protective cover 2 are buckled to form a sealing structure with a space inside, and the sealing structure is used for accommodating the pressure sensor 3; the base 1 is provided with a through hole 11 for fixing the water inlet end of the pressure sensor 3 and enabling the water inlet end of the pressure sensor 3 to penetrate through the base 1, so that the water inlet end is exposed in water flow in a pipeline to measure water pressure during measurement, and the main body part of the pressure sensor 3 is located in a sealed space inside the device, so that the pressure sensor 3 can be protected and the service life of the pressure sensor 3 can be prolonged. The water inlet end of the pressure sensor 3 is provided with a water inlet 31, and the pressure sensor 3 measures the water pressure in the current environment through the water entering the water inlet 31. One end of the protective cover 2, which is far away from the base 1, is provided with a wiring hole 21 for leading out a data wire of the pressure sensor 3. The outer wall of the protective cover 2 is used for being connected with an installation pipeline, a round hole matched with the outer wall of the protective cover 2 in size is cut on the installation pipeline, and the lower end of the outer wall of the protective cover 2 is welded on the round hole.
The embodiment of the utility model provides a power station pressure sensor's water proof installation device installs on power station water pipe such as spiral case import, draft tube elbow bend, earlier when installing cut out a hole that matches with the maximum diameter department size of the visor 2 of device at the assigned position of water pipe earlier, and inside the one side orientation water pipe that has base 1, this hole department is welded to the lower extreme of this visor is the outmost edge to do the processing of polishing in the welding department. Because the pressure sensor is directly installed on the pipeline, the measuring base is flush with the inner wall of the flow channel, pressure pulsation is not measured through the pressure measuring pipeline, and errors caused by the pressure pulsation are avoided. The sensor is convenient for dismouting, only needs to carry out the water discharge in the pipeline when overhauing, overhauls the workman and can get into and carry out the maintenance inspection of sensor in the pipeline after dismantling base 1.
In some embodiments of the present invention, an O-ring 4 is disposed between the wiring hole 21 and the data line of the pressure sensor 3, and the O-ring 4 is used to realize the sealing of the device.
In other embodiments of the present invention, the apparatus further includes a sealing plate 5, wherein the sealing plate 5 is fixed on the end surface of the end of the protective cover 2 away from the base 1, so as to tightly press and fix the O-ring 4 on the end surface of the end of the protective cover 2 away from the base 1; the sealing plate 5 is fixed to the protective cover by a plurality of screws 51. Through setting up closing plate 5, be fixed in O type sealing washer 4 between closing plate 5 and visor 2, guaranteed the leakproofness of whole device, fine protection pressure sensor 3.
As some embodiments of the present invention, a sealing ring 6 is disposed between the contact surfaces of the base 1 and the protective cover 2. Optionally, an annular sealing groove 7 matched with the sealing ring 6 is arranged on the base 1 and used for accommodating the sealing ring 6. Through the setting of sealing ring 6, guaranteed the waterproof sealing between base 1 and visor 2, can protect pressure sensor 3 better.
Optionally, a sealing gasket 9 is arranged at a joint of the water inlet end of the pressure sensor 3 and the base 1, so that the sealing performance and the waterproof performance of the device are further ensured.
Optionally, a water absorbing cushion layer 8 is arranged in the space inside the protective cover 2, and the water absorbing cushion layer 8 is of an annular structure and is sleeved outside the main body of the pressure sensor 3 and is arranged close to the base 1. The water absorbing cushion layer 8 can absorb water vapor entering the device in the installation stage and the subsequent use process, so that the drying inside the device is ensured, and the pressure sensor 3 is not influenced.
As other embodiments of the present invention, the base 1 is a cake-shaped structure, and when the base 1 is buckled with the protection cover 2, the base 1 is embedded into the protection cover 2. The protective cover 2 also comprises a base connecting part and an extension part connected with the base connecting part, wherein the outer diameter of the extension part is smaller than that of the base connecting part, and the extension part and the base connecting part are of a cylindrical structure coaxially arranged. The base 1 is connected to the protective cover 2 by a plurality of bolts 10, in this embodiment, the number of the bolts 10 is six and is uniformly distributed on the base 1 along a ring shape. The base connecting parts of the base 1 and the protective cover 2 are both provided with certain thicknesses, so that the base 1 and the protective cover 2 are connected, and the strength of the whole device is ensured.
When the device is installed, a round hole with the same size as the maximum diameter of the lower end of the protective cover of the device is cut at the designated position of a water conveying pipeline such as a volute inlet, a tail pipe elbow and the like, the outermost edge of the lower end of the protective cover is welded at the round hole, and the welding position is polished. And then, a data connection wire of the pressure sensor passes through a connection wire hole on the protective cover, is sleeved with the O-shaped sealing ring and then passes through the sealing plate, and a screw of the sealing plate is fastened. After the sensor is installed on the measuring base, the water absorption cushion layer is sleeved on the sensor, and the sensor is connected with a data wiring. And finally, a sealing ring is added on the measuring base, the measuring base is fixed at a corresponding position of the protective cover through a bolt, and the sensor is arranged on the inner side of the protective cover.
The utility model discloses a waterproof protection installation device of device power station pressure sensor, directly install pressure sensor on the pipeline, do not pass through the pressure measurement pipeline and measure pressure pulsation, avoided the error that produces from this; the multi-layer waterproof sealing structure comprising the O-shaped sealing ring, the sealing plate 5, the water absorption cushion layer 8, the sealing ring 6, the sealing gasket 9 and the like is arranged, so that waterproof sealing treatment is fully performed, and the pressure sensor is well protected; the device has simple, compact and reasonable structure, is convenient to manufacture and install, and is beneficial to popularization and use.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a power station pressure sensor's waterproof protection installation device which characterized in that, includes base and visor: the base and the protective cover are buckled to form a sealing structure with a space inside, and the sealing structure is used for accommodating the pressure sensor; the base is provided with a through hole for fixing the water inlet end of the pressure sensor; and one end of the protective cover, which is far away from the base, is provided with a wiring hole for leading out a data wire of the pressure sensor.
2. The apparatus of claim 1, wherein an O-ring seal is disposed between the wire connection hole and the data line of the pressure sensor.
3. The device of claim 2, further comprising a sealing plate fixed to an end surface of the protective cover at an end thereof remote from the base, thereby compressively fixing the O-ring to the protective cover; the sealing plate is fixed on the protective cover through screws.
4. The device of claim 1, wherein a sealing ring is disposed between the base and the protective cover.
5. The apparatus of claim 4, wherein the base is provided with an annular seal groove that cooperates with the seal ring for receiving the seal ring.
6. The device of claim 1, wherein a sealing gasket is disposed at a junction of the water inlet end of the pressure sensor and the base.
7. The device of claim 1, wherein a water-absorbing cushion is disposed in the space inside the protective cover, and the water-absorbing cushion is sleeved outside the pressure sensor body and is disposed near the base.
8. The device of claim 1, wherein the base is a pie-shaped structure that fits inside the protective cover when the base is snapped into the protective cover.
9. The device of claim 1, wherein the protective cover includes a base connection portion and an extension portion connected to the base connection portion, the extension portion having a smaller outer diameter than the base connection portion, and the extension portion being coaxially disposed with the base connection portion.
10. The device of claim 1, wherein the base is coupled to the protective cover by a plurality of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920453466.5U CN209878202U (en) | 2019-04-04 | 2019-04-04 | Power station pressure sensor's waterproof protection installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920453466.5U CN209878202U (en) | 2019-04-04 | 2019-04-04 | Power station pressure sensor's waterproof protection installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878202U true CN209878202U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920453466.5U Active CN209878202U (en) | 2019-04-04 | 2019-04-04 | Power station pressure sensor's waterproof protection installation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209878202U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216603A (en) * | 2022-02-21 | 2022-03-22 | 成都凯天电子股份有限公司 | Pressure sensor |
| CN114324969A (en) * | 2022-03-10 | 2022-04-12 | 河海大学智能感知技术创新研究院 | Device for detecting underground water flow rate and liquid pressure |
-
2019
- 2019-04-04 CN CN201920453466.5U patent/CN209878202U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216603A (en) * | 2022-02-21 | 2022-03-22 | 成都凯天电子股份有限公司 | Pressure sensor |
| CN114216603B (en) * | 2022-02-21 | 2022-05-24 | 成都凯天电子股份有限公司 | Pressure sensor |
| CN114324969A (en) * | 2022-03-10 | 2022-04-12 | 河海大学智能感知技术创新研究院 | Device for detecting underground water flow rate and liquid pressure |
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