CN108871492A - A kind of protective device - Google Patents
A kind of protective device Download PDFInfo
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- CN108871492A CN108871492A CN201810774411.4A CN201810774411A CN108871492A CN 108871492 A CN108871492 A CN 108871492A CN 201810774411 A CN201810774411 A CN 201810774411A CN 108871492 A CN108871492 A CN 108871492A
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- chamber
- shell
- partition
- protective device
- support
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention relates to a kind of protective devices, belong to sensor technical field.The protective device, including：Shell, the first sealing cover and 2 sealing elements.Shell one end offers opening, it is open and forms accommodating chamber along the other end that shell one end extends to shell, first partition is provided in shell, accommodating chamber is divided into first chamber and second chamber by first partition, installation part is provided in first chamber, the first screw hole and the second screw hole are provided in first partition, sealing element includes：Sealing duct and pressure bladder, one end of sealing duct is connect with pressure bladder, one sealing duct is connect with the first screw hole, and pressure bladder is located in first chamber, another sealing duct is connect with the second screw hole, and pressure bladder is located in second chamber, is provided with filter hole on the shell of open end, filter hole is connected to second chamber with hull outside.The protective device can make liquid level sensor completely isolated with environment, while not influence its measurement function again.
Description
Technical field
The invention belongs to sensor technical fields, and in particular to a kind of protective device.
Background technique
Currently, the liquid level sensor used can be roughly divided into two types：One kind is contact, including：Single flange static pressure/bis-
It is flange differential pressure liquid level sensor, floating ball type liquid level sensor, magnetic liquid level sensor, throw-in type liquid level sensor, electronic interior floating
Ball liquid level sensor, electric float liquid level sensor, capacitance level transducer, magnetostrictive liquid level sensor, servo liquid
Sensor etc..Second class be it is contactless, be divided into ultrasonic liquid level sensor, radar level sensor etc..Contact liquid level passes
Sensor usually has lower cost application.And contactless liquid level sensor, usually there is preferable adaptive capacity to environment, but answer
It is also higher with cost.
It is complicated and changeable for some measurement environment, but need to carry out a large amount of applications for laying liquid level sensor, then to liquid
The cost and environmental difference adaptability of level sensor have very high requirement.Such as in the application of measurement rainwater ponding region,
Do not ensure that the region of measurement liquid level has been chronically at water or anhydrous constant environment state.At this point, if using low cost
Contact liquid level sensor, sensor can face environmental change and caused by corrosion oxidation process accelerate, invalidation period sharply subtracts
The problems such as few.And noncontacting proximity sensor is used, a large amount of laying can be used and bring uncontrollable cost problem.To understand
Certainly this problem, applicant have found that the prior art can be to the production technology of submerged sensor during studying the application
It is improved with material etc., satisfies the use demand it, but this will cause the increased costs of submerged sensor, having violated makes
The original intention of use cost is reduced with this kind of touch sensor such as submerged sensor.
Summary of the invention
In consideration of it, the purpose of the present invention is to provide a kind of protective device, to effectively improve the above problem.
What the embodiment of the present invention was realized in：
The embodiment of the invention provides a kind of protective devices, including：Shell, the first sealing cover corresponding with the shell
With 2 sealing elements, described shell one end offers opening, and the opening extends to the another of the shell along described shell one end
End forms accommodating chamber, first partition is provided in the shell, the accommodating chamber is divided into first by the first partition
Chamber and second chamber, are provided with the installation part for installing liquid level sensor in the first chamber, in the first partition
It is provided with the first screw hole and the second screw hole for being connected to the first chamber with the second chamber, each sealing element wraps
It includes：Sealing duct and pressure bladder, one end of the sealing duct are connect with the pressure bladder, sealing duct
The other end is connect with first screw hole, and the pressure bladder is located in the first chamber, another sealing duct it is another
One end is connect with second screw hole, and the pressure bladder is located in the second chamber, the shell close to the open end
On be provided with filter hole, the filter hole is connected to the second chamber with the hull outside, sets on first sealing cover
It is equipped with outlet hole.
In optional embodiment of the present invention, the protective device further includes：Second partition, the second partition are set to
The second chamber is divided into left and right two parts by the second chamber, is set on the second partition of the open end
It is equipped with the first filtering mouth.
In optional embodiment of the present invention, the protective device further includes：It further include third partition, the third partition
The second chamber is divided into three parts jointly with the second partition, is set on the third partition of the open end
It is equipped with the second filtering mouth.
In optional embodiment of the present invention, first screw hole and second screw hole are setting up and down, form difference in height.
In optional embodiment of the present invention, distance of first screw hole apart from the opening is less than second screw hole
Distance apart from the opening.
In optional embodiment of the present invention, the installation part includes：Mounting ring and support frame, the mounting ring with it is described
One end of support frame connects, and the other end of support frame as described above is connect with the inner wall of the shell.
In optional embodiment of the present invention, support frame as described above includes：First support, second support and third bracket, institute
The one end for stating one end of first support, one end of the second support and the third bracket is connect with the mounting ring, institute
State the other end of the other end of first support, the other end of the second support and the third bracket with the inner walls
Connection.
In optional embodiment of the present invention, angle between the first support and the second support, described second
The angle between angle and the third bracket and the first support between bracket and the third bracket is equal.
In optional embodiment of the present invention, the protective device further includes multiple reinforcing ribs, between the multiple reinforcing rib
Every being set to the inner walls.
In optional embodiment of the present invention, the protective device further includes：The second sealing corresponding with the shell
Lid, the opening extend to the shell other end along described shell one end and form through-hole, and second sealing cover is covered on institute
In the opening for stating the shell other end.
Protective device provided in an embodiment of the present invention, including：Shell, the first sealing cover corresponding with the shell and 2
A sealing element, described shell one end offer opening, and described be open extends to the other end of the shell along described shell one end
Accommodating chamber is formed, is provided with first partition in the shell, the accommodating chamber is divided into the first chamber by the first partition
Room and second chamber are provided with the installation part for installing liquid level sensor in the first chamber, set in the first partition
It is equipped with the first screw hole and the second screw hole for being connected to the first chamber with the second chamber, each sealing element wraps
It includes：Sealing duct and pressure bladder, one end of the sealing duct are connect with the pressure bladder, sealing duct
The other end is connect with first screw hole, and the pressure bladder is located in the first chamber, another sealing duct it is another
One end is connect with second screw hole, and the pressure bladder is located in the second chamber, the shell close to the open end
On be provided with filter hole, the filter hole is connected to the second chamber with the hull outside, sets on first sealing cover
It is equipped with outlet hole.The protective device can make the liquid level sensor for being installed on first chamber and measurement liquid environment completely isolated,
The measurement function of the liquid level sensor is not influenced again simultaneously, further, being set to 2 sealing elements in first partition can be
While guaranteeing liquid level sensor and completely isolated measurement liquid environment, and the pressure for being able to achieve first chamber and second chamber is flat
Weighing apparatus can also accurately measure liquid while so that liquid level sensor does not have to touch the liquid that will cause self-inflicted injury
Liquid level.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that being understood by implementing the embodiment of the present invention.The objectives and other advantages of the invention can be by written
Specifically noted structure is achieved and obtained in specification, claims and attached drawing.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will be more clear.In whole
Identical appended drawing reference indicates identical part in attached drawing.Attached drawing, emphasis deliberately are not drawn by actual size equal proportion scaling
It is to show the gist of the present invention.
Fig. 1 shows a kind of structural schematic diagram of protective device provided in an embodiment of the present invention.
Fig. 2 shows the schematic diagrames of housing interior structure provided in an embodiment of the present invention.
Fig. 3 shows the structural schematic diagram of the first sealing cover provided in an embodiment of the present invention.
Fig. 4 shows the structural schematic diagram of sealing element provided in an embodiment of the present invention.
Fig. 5 shows the structural schematic diagram of the second sealing cover provided in an embodiment of the present invention.
Icon：10- protective device；11- shell；111- filter hole；112- opening；12- first partition；13-
Two partitions；131- first filters mouth；14- third partition；141- second filters mouth；15- installation part；16- first is sealed
Lid；161- outlet hole；The second sealing cover of 17-；18- reinforcing rib；19- sealing element；191- sealing duct；192- blanket gas
Capsule.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
The embodiment of the invention provides a kind of protective devices 10, as depicted in figs. 1 and 2.The protective device 10 includes：Shell
11, first sealing cover 16 and 2 sealing element 19 corresponding with the shell 11.
As an alternative embodiment, referring to Fig. 1,11 one end of the shell offers opening 112, the opening
112 form accommodating chamber along the other end that described 11 one end of shell extends to the shell 11.Is provided in the shell 11
The accommodating chamber is divided into first chamber and second chamber by one partition 12, the first partition 12, in the first chamber
It is provided with the installation part 15 for installing liquid level sensor, is provided in the first partition 12 by the first chamber and described
The first screw hole and the second screw hole of second chamber connection.It is provided with filter hole 111 on the shell 11 at 112 ends of the opening,
The filter hole 111 makes to be connected to outside the second chamber and the shell 11, so that when in use, liquid is through the filter hole
111 enter the second chamber.
Wherein, the shape of the shell 11 can be cylindrical body, cuboid, square or multiedge cylinder etc..
Wherein, the first chamber and second chamber can be equal, can also be unequal.
Wherein, the shape of the opening 112 can there are many, such as circle, rectangle, square.
Wherein, it should be noted that one end of the first partition 12 is flushed with one end of shell 11, the first partition 12
The other end extends to the other end of shell 11.If the protective device 10 is uprightly placed, i.e., when placing perpendicular to ground, this first
Partition 12 is perpendicular to the ground.
Wherein, the installation part 15 being set in the first chamber is for installing liquid level sensor.Further, the installation
Part 15 includes：Mounting ring and support frame.One end of the mounting ring and support frame as described above connection, the other end of support frame as described above with
The inner wall of the shell 11 connects.As an alternative embodiment, the support frame includes：First support, second support and
Third bracket.One end of one end of the first support, one end of the second support and the third bracket with the peace
Fill ring connection, the other end of the other end of the first support, the other end of the second support and the third bracket with
11 inner wall of the shell connection.Meanwhile the measuring basis height of liquid level sensor is lower than the reference for installation height of device, works as sealing
When breakage occurs in part 19, liquid level sensor can maintain a height of water level data in a long time.And this water level is high
Degree is not more than the measuring basis height of protective device 10 reference for installation height and liquid level sensor, it is contemplated that water level is high during this
Degree is influenced by environment temperature, can be reduced in certain rule.By analyzing to collecting data, it can be determined that the protection
Whether device 10 works normally.
Wherein, it should be noted that in Fig. 1 be located on 11 outer surface of shell that loop wire (be located at shell 11 most
That line that the filter hole 111 of lower layer is flush), as reference for installation height flushes it with ground during installation, to protect
It is identical as practical 0 liquid level to demonstrate,prove the reference for installation height.
Wherein, first support, second support and third bracket can be unequal spacing and be set in the mounting ring, can also be with
It is spaced set in the mounting ring, for example, angle between the first support and the second support, second described
The angle between angle and the third bracket and the first support between frame and the third bracket is equal, and is in
120 degree.
Further, it is to be appreciated that the support frame other than using above-mentioned trishores, can also be supported using 2 feet,
4 feet support and other.
Wherein, it should be noted that first screw hole and second screw hole are setting up and down, form difference in height.Into one
Step ground, distance of first screw hole apart from the opening 112 are less than distance of second screw hole apart from the opening 112.
In addition, the quantity for the screw hole being opened in first partition 12 is not limited to above-mentioned 2, that is, it can also be 3,4 or more.
With the increase of screw hole, the quantity of sealing element 19 can also be accordingly increased.Even if in use, there is breakage in sealing element 19
When, it is designed using lesser installation screw, it is also ensured that in this case, reduce the first cavity and outside liquid to the greatest extent
Exchange capacity effectively slows down outside liquid to liquid level sensor device erosion process, and extend liquid level sensor device uses the time.
Wherein, the quantity of the filter hole 111 is multiple, the setting of multiple intervals of filter hole 111, to increase liquid into second
The speed to evaporate in the speed and second chamber of chamber.The filter hole 111 can make the liquid into second chamber
A degree of filtering is obtained, a part of impurity can be blocked in outside shell 11.In addition, 111 row of being also used to of filter hole
Except extra air.
Referring to Fig. 3, first sealing cover 16 is covered in the opening 112 of 11 one end of shell, opened for sealing this
Mouth 112.As an implementation, the inside of first sealing cover 16 is provided with internal screw thread, the edge setting of the opening 112
There is external screw thread, which is connected through a screw thread with the shell 11.As another embodiment, first sealing cover
16 inside is also equipped with external screw thread, and the inner sidewall close to the shell 11 of the opening 112 is provided with internal screw thread, first sealing cover
16 are connected through a screw thread with the shell 11.
Wherein it is possible to which what is understood is that the shape of first sealing cover 16 depends on the shape of the shell 11, e.g., shell 11 is
When cylindrical body, the profile of first sealing cover 16 is also round.
Wherein, in order to increase the effect of sealing, sealing ring is additionally provided in first sealing cover 16.
Wherein, it is additionally provided with outlet hole 161 on first sealing cover 16, so as to positioned at the liquid level sensor of first chamber
Signal wire is exported through the outlet hole 161.The outlet hole 161 matches with the signal wire, in addition it is also possible to be replaced using conduit
The outlet hole 161, to realize identical function.
Referring to Fig. 4, each sealing element 19 includes：Sealing duct 191 and pressure bladder 192.The sealing is led
One end of pipe 191 is connect with the pressure bladder 192, and the other end of a sealing duct 191 and first screw hole connect
It connects, and the pressure bladder 192 is located in the first chamber, the other end of another sealing duct 191 and second spiral shell
Hole connection, and the pressure bladder 192 is located in the second chamber.
Wherein, it should be noted that when using the protective device 10, the liquid level for measuring environment enters through filter hole 111
Second chamber (liquid of second chamber increases), so that the pressure in second chamber changes, so that the pressure acts on
In the pressure bladder 192 being located in second chamber, so that the pressure in first chamber changes therewith, the pressure of variation is made again
Pressure bladder 192 for being located in first chamber, so that the pressure of first chamber and second chamber is finally reached balance.The liquid
Level sensor is not required to touch the liquid that can damage itself, by the air pressure change in detection first chamber, can accurately survey
Quantity of fluid liquid level.
Similarly, when the liquid in second chamber is reduced, that is, when volatilizing, so that the pressure in second chamber becomes
Change, so that the pressure acts on the pressure bladder 192 in second chamber, so that the pressure in first chamber is sent out therewith
Changing, the pressure of variation act on the pressure bladder 192 in first chamber again, so that first chamber and second chamber
Pressure is finally reached balance.
Wherein, it should be noted that for the service life of the extend as far as possible sealing element 19, the sealing element 19 is using resistance to
The soft material of corrosion is made, i.e., sealing duct 191 and pressure bladder 192 are all made of corrosion resistant soft material and are made.
Regardless of measurement environment it is severe, due to the protective device 10 make first chamber always with external measurement environment phase
Isolation, the i.e. liquid level sensor are in ambient condition when installation always, will not change with outside liquid environment, therefore,
When only needing to guarantee installation, the environment of the liquid level sensor inside device is suitable for the working environment of the liquid level sensor can be long-term
The reliable acquisition for guaranteeing liquid level data, reduces maintenance cost.In addition, in the case where measurement environment is not severe, protection dress
2 above-mentioned sealing elements 19 can also not used by setting 10.
In addition, as an alternative embodiment, the protective device 10 can also include second partition 13.Described second
Partition 13 is set to the second chamber, and the second chamber is divided into left and right two parts, the institute close to 112 ends of the opening
It states and is provided with the first filtering mouth 131 on second partition 13.
Wherein, one end of the second partition 13 is flushed with one end of shell 11, and the other end of the second partition 13 extends to
The other end of shell 11.If the protective device 10 is uprightly placed, i.e., when being placed perpendicular to ground, the second partition 13 and ground
Vertically.
At this time, it may be necessary to explanation, second chamber is divided into two parts by second partition 13, such as first part and second
Point, the filter hole 111 being set on shell 11 is located at first part, and the first screw thread and the second screw thread are located at second part, so as to,
Outside liquid is after filter hole 111 enters first part, after hydrops to certain altitude, enters second through the first filtering mouth 131
Point, i.e., it also to be filtered into the liquid of second part through the first filtering mouth 131, to reduce impurity.
Wherein, the quantity of the first filtering mouth 131 is multiple, and multiple first filtering mouths 131 are arranged at intervals at second partition 13
On.Wherein, when the protective device 10 is uprightly placed, distance of the filter hole 111 apart from 11 top of shell is less than the first filtering mouth
131 distance apart from 11 top of shell.
Wherein, which can be set to second chamber using the set-up mode parallel with first partition 12
It is interior, it can also be and be set in second chamber using the set-up mode perpendicular with first partition 12.
In addition, as another optional embodiment, which further includes third partition 14.The third every
The second chamber is divided into three parts jointly by plate 14 and the second partition 13, close to described the of 112 ends of the opening
The second filtering mouth 141 is provided on three partitions 14.
Wherein, one end of the third partition 14 is flushed with one end of shell 11, and the other end of the third partition 14 extends to
The other end of shell 11.If the protective device 10 is uprightly placed, i.e., when being placed perpendicular to ground, the third partition 14 and ground
Vertically.
At this time, it may be necessary to which second chamber is divided into three parts jointly by explanation, second partition 13 and third partition 14, such as
First part, second part and Part III, the filter hole 111 being set on shell 11 are located at first part, second part position
Between second partition 13 and third partition 14, the first screw thread and the second screw thread are located at Part III, so that outside liquid passes through
After filter opening 111 enters first part, after hydrops to certain altitude, enter second part through the first filtering mouth 131, hydrops is to centainly
After height, enter Part III through the second filtering mouth 141, i.e., it will also be through the first filtering 131 mistake of mouth into the liquid of second part
Filter will also filter through the second filtering mouth 141 into the liquid of Part III, to reduce impurity, improve filtration effect.
Wherein, the quantity of the second filtering mouth 141 is multiple, and multiple second filtering mouths 141 are arranged at intervals at third partition 14
On.Wherein, when the protective device 10 is uprightly placed, distance of the filter hole 111 apart from 11 top of shell is less than the second filtering mouth
141 distance apart from 11 top of shell.As an alternative embodiment, the second partition 13 is identical as third partition 14.
Wherein, which can be set to second chamber using the set-up mode parallel with first partition 12
It is interior, it can also be and be set in second chamber using the set-up mode perpendicular with first partition 12.
In addition, can also use more partitions in order to further enhance filter effect, the mode of setting is adopted with above-mentioned
Set-up mode with 2 partitions or three partitions is identical.
In addition, the protective device 10 further includes multiple reinforcing ribs 18, the multiple reinforcing rib as a kind of optional mode
18 are arranged at intervals at 11 inner wall of shell.Multiple reinforcing ribs 18 are used to enhance the hardness of shell 11, reduce what shell 11 deformed
Probability.Wherein, the quantity of the reinforcing rib 18 can be 2,3,4 or more.
As an alternative embodiment, this in order to increase the seal degree of first sealing cover 16 and shell 11
One sealing cover 16, can also be using such as screw or screw rod and nut connector, i.e., other than using and being threadedly coupled with shell 11
At this point, being provided with fixing threaded hole on the reinforcing rib 18, place corresponding with the fixing threaded hole is also provided on the first sealing cover 16
There is the fixing threaded hole to match, will pass through connector connection.
As an alternative embodiment, referring to Fig. 5, the protective device 10 further includes：With 11 phase of shell
Corresponding second sealing cover 17, the opening 112 extend to 11 other end of shell along described 11 one end of shell and form through-hole,
Second sealing cover 17 is covered in the opening 112 of 11 other end of shell.
As an implementation, second sealing cover 17 is identical as the first sealing cover 16, i.e., the connection side with shell 11
Formula is consistent.
Wherein, it should be noted that when only one sealing cover, one end of the shell 11 offers opening 112, the other end
It is closed.When using two sealing covers, one end of the shell 11 offers opening 112, and this states opening 112 along the shell
11 one end extend to 11 other end of shell and form through-hole, at this point, the other end of the shell 11 be no longer it is closed, need
Second sealing cover 17 is sealed.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of protective device, which is characterized in that including：Shell, the first sealing cover corresponding with the shell and 2 sealings
Part, described shell one end offer opening, and the opening is formed along the other end that described shell one end extends to the shell to be held
It receives chamber, first partition is provided in the shell, the accommodating chamber is divided into first chamber and by the first partition
Two chambers are provided with the installation part for installing liquid level sensor in the first chamber, be provided in the first partition by
The first screw hole and the second screw hole that the first chamber is connected to the second chamber, each sealing element include：Sealing
Conduit and pressure bladder, one end of the sealing duct are connect with the pressure bladder, the other end of a sealing duct
Connect with first screw hole, and the pressure bladder is located in the first chamber, the other end of another sealing duct with
The second screw hole connection, and the pressure bladder is located in the second chamber, is arranged on the shell of the open end
There is filter hole, the filter hole is connected to the second chamber with the hull outside, is provided with out on first sealing cover
String holes.
2. protective device according to claim 1, which is characterized in that the protective device further includes：Second partition, it is described
Second partition is set to the second chamber, and the second chamber is divided into left and right two parts, the institute close to the open end
It states and is provided with the first filtering mouth on second partition.
3. protective device according to claim 2, which is characterized in that the protective device further includes：Further include third every
The second chamber is divided into three parts jointly by plate, the third partition and the second partition, close to the open end
The second filtering mouth is provided on the third partition.
4. protective device according to claim 1, which is characterized in that divided on first screw hole and second screw hole
It sets, forms difference in height.
5. protective device according to claim 4, which is characterized in that distance of first screw hole apart from the opening is small
In distance of second screw hole apart from the opening.
6. protective device according to claim 1, which is characterized in that the installation part includes：Mounting ring and support frame, institute
The one end for stating mounting ring and support frame as described above connects, and the other end of support frame as described above is connect with the inner wall of the shell.
7. protective device according to claim 6, which is characterized in that support frame as described above includes：First support, second support
With third bracket, one end of one end of the first support, one end of the second support and the third bracket with it is described
Mounting ring connection, the other end of the other end of the first support, the other end of the second support and the third bracket are equal
It is connect with the inner walls.
8. protective device according to claim 7, which is characterized in that between the first support and the second support
Between angle and the third bracket and the first support between angle, the second support and the third bracket
Angle is equal.
9. protective device according to claim 1, which is characterized in that the protective device further includes multiple reinforcing ribs, institute
It states multiple reinforcing ribs and is arranged at intervals at the inner walls.
10. -9 described in any item protective devices according to claim 1, which is characterized in that the protective device further includes：With
Corresponding second sealing cover of the shell, the opening along described shell one end extend to the shell other end formed it is logical
Hole, second sealing cover are covered in the opening of the shell other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774411.4A CN108871492B (en) | 2018-07-13 | 2018-07-13 | Protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774411.4A CN108871492B (en) | 2018-07-13 | 2018-07-13 | Protective device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108871492A true CN108871492A (en) | 2018-11-23 |
| CN108871492B CN108871492B (en) | 2020-10-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810774411.4A Active CN108871492B (en) | 2018-07-13 | 2018-07-13 | Protective device |
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| EP1837634A3 (en) * | 2006-03-21 | 2008-12-17 | PAN-ASIA PRECISION & ENGINEERING Co., LTD. | Liquid level measurement apparatus |
| CN201203456Y (en) * | 2008-06-06 | 2009-03-04 | 中国地质调查局水文地质环境地质调查中心 | Ground water dynamic automatic monitoring instrument |
| CN205580561U (en) * | 2016-05-12 | 2016-09-14 | 中国人民解放军后勤工程学院 | Input type level sensor protection device suitable for monitoring of sewage water level |
| CN206038093U (en) * | 2016-07-22 | 2017-03-22 | 上海波汇科技股份有限公司 | Liquid level measurement device of wide range high accuracy |
-
2018
- 2018-07-13 CN CN201810774411.4A patent/CN108871492B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2191417Y (en) * | 1994-01-13 | 1995-03-08 | 陈义新 | Static levelmeter |
| EP1837634A3 (en) * | 2006-03-21 | 2008-12-17 | PAN-ASIA PRECISION & ENGINEERING Co., LTD. | Liquid level measurement apparatus |
| CN201203456Y (en) * | 2008-06-06 | 2009-03-04 | 中国地质调查局水文地质环境地质调查中心 | Ground water dynamic automatic monitoring instrument |
| CN205580561U (en) * | 2016-05-12 | 2016-09-14 | 中国人民解放军后勤工程学院 | Input type level sensor protection device suitable for monitoring of sewage water level |
| CN206038093U (en) * | 2016-07-22 | 2017-03-22 | 上海波汇科技股份有限公司 | Liquid level measurement device of wide range high accuracy |
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