CN205691199U - High accuracy number liquidometer - Google Patents
High accuracy number liquidometer Download PDFInfo
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- CN205691199U CN205691199U CN201620640799.5U CN201620640799U CN205691199U CN 205691199 U CN205691199 U CN 205691199U CN 201620640799 U CN201620640799 U CN 201620640799U CN 205691199 U CN205691199 U CN 205691199U
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- liquidometer
- high accuracy
- monocrystalline
- accuracy number
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Abstract
This application discloses a kind of high accuracy number liquidometer, including housing, this housing has the first space accommodating processor, the 3rd space formed below in this first space, being provided with monocrystalline-silicon pressure transducer in described 3rd space, this monocrystalline-silicon pressure transducer is connected to described processor.This novel employing monocrystalline-silicon pressure transducer is applied to liquidometer, can be greatly improved its accuracy of detection.
Description
Technical field
The application relates to a kind of high accuracy number liquidometer, is mainly used in the technical fields such as LNG storage tank.
Background technology
Vehicle-mounted LNG gas cylinder belongs to Cryo Heat Insulation bottle, the particularity made due to it, and filled liquid gas is special
Property, it is desirable to liquidometer must have high reliability, the most once breaks down, and vehicle-mounted LNG gas cylinder will be unable to normally use,
And hardly possible it is keeped in repair, thus can cause scrapping of LNG gas cylinder.Market reaction is the most electric
Appearance formula liquid level, in respect of defects such as faulty sensor, display mistakes, makes LNG vehicle in travelling way because being forced to stop without fuel, gives
The producer and the user that produce LNG automobile bring the biggest trouble.
Pressure transducer has become the numerous areas requisite electronics units such as commercial production, Smart Home, environmental conservation
One of device, and in pressure sensor, the chip of pressure transducer directly determines the service behaviour of pressure transducer.Existing
Pressure sensor chip generally by measuring pressure to the impact of the resistance in chip and then the detection that realizes pressure, but
It is unsatisfactory that existing chip structure is difficult to meet the work requirements of extreme environment, i.e. its overvoltage performance.
Traditional liquidometer mostly just arranges one and installs cavity, and CPU, display, binding post etc. are all arranged at
In this installation cavity body, but when liquidometer uses, need often to open this installation cavity so that need CPU and the display sealed
Devices etc. are also exposed under steam, affect its service life.
Utility model content
The purpose of this utility model is to provide a kind of high accuracy number liquidometer, to overcome the problems of the prior art.
For achieving the above object, the following technical scheme of this utility model offer:
The open a kind of high accuracy number liquidometer of the embodiment of the present application, including housing, this housing has receiving processor
First space, the 3rd space formed below in this first space, it is provided with monocrystalline-silicon pressure transducer in described 3rd space,
This monocrystalline-silicon pressure transducer is connected to described processor.
Preferably, in above-mentioned high accuracy number liquidometer, the company of being formed between described first space and the 3rd space
Through hole, described monocrystalline-silicon pressure transducer is sealed in described intercommunicating pore.
Preferably, in above-mentioned high accuracy number liquidometer, the edge of described monocrystalline-silicon pressure transducer and the 3rd sky
Between inwall between be threadedly rotatably assorted.
Preferably, in above-mentioned high accuracy number liquidometer, described monocrystalline-silicon pressure transducer includes substrate and shape
Become substrate surface monocrystalline silicon thin film, between described monocrystalline silicon thin film and substrate surface, be formed with vacuum chamber.
Preferably, in above-mentioned high accuracy number liquidometer, described 3rd space is airtight cavity.
Preferably, in above-mentioned high accuracy number liquidometer, described housing offers and communicates with described first space
The second opening, this second opening part is capped with the second lid, and described second lid is removably fixed on described housing.
Preferably, in above-mentioned high accuracy number liquidometer, in described first space, it is provided with digital display screen, described
The corresponding described digital display screen position of second lid is provided with transparent window.
Preferably, in above-mentioned high accuracy number liquidometer, the material of described housing is aluminium alloy.
Compared with prior art, the utility model has the advantage of:
(1), the parts that this new hull is internal are used by difference and require to be arranged in two independent spaces, wherein
CPU, display etc. need the parts isolating steam to be arranged in the first airtight space, and other often need and outside line connects
The binding posts connect etc. are arranged in second space, and second space can be opened by the first lid.It is arranged such, can be right
CPU, display etc. play a protective role, and improve its service life.
(2), this novel employing monocrystalline-silicon pressure transducer be applied to liquidometer, its accuracy of detection can be greatly improved.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 show the structural representation of digital level indicator in this utility model specific embodiment；
Fig. 2 show the side view of digital level indicator in this utility model specific embodiment；
Fig. 3 show the sectional view of digital level indicator in this utility model specific embodiment；
Fig. 4 show the structural representation of sensor in this utility model specific embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Detailed description, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole enforcement
Example.Based on the embodiment in this utility model, those of ordinary skill in the art are institute on the premise of not making creative work
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
In conjunction with shown in Fig. 1 to Fig. 3, digital level indicator, including housing 1, this housing is separated into separate by dividing plate 2
One space 11 and second space 12, the first space 11 is airtight cavity, is provided with processor, in second space 12 in this cavity
Being provided with binding post, housing offers the first opening communicated with second space, this first opening part is capped with the first lid
Body 3, the first lid 3 is removably fixed on housing 1.Preferably, threadedly rotate between the first lid 3 and housing 1
Connect.
In this technical scheme, the parts of enclosure interior are used by difference and require to be arranged in two independent spaces, its
Middle CPU, display etc. need the parts isolating steam to be arranged in the first airtight space, and other often need and outside line
The binding post etc. connected is arranged in second space, and second space can be opened by the first lid.It is arranged such, can be right
CPU, display etc. play a protective role, and improve its service life.
Offering the second opening communicated with the first space 11 on housing 1, this second opening part is capped with the second lid 4,
Second lid 4 is removably fixed on housing.Preferably, the threadedly company of rotation between the second lid 4 and the second opening
Connect.
Further, being provided with digital display screen 5 in the first space 11, the second lid correspondence digital display screen position is arranged
There is transparent window.
In this technical scheme, when the second lid is opened, the installation of CPU and display, the second lid and housing can be facilitated
After Gu Ding, can realize sealing to the first space.
Preferably, the first lid 3 and the second lid 4 are respectively formed in the both sides that housing 1 is contrary.
Further, housing 1 offers at least one wiring hole 6 communicated with second space.
In a preferred embodiment, housing offers two wiring holes communicated with second space, these two wiring holes
Lay respectively at the both sides of housing.The opening part of wiring hole is sealed with the 3rd lid 7.
In this technical scheme, by being positioned at the wiring hole of diverse location, different installation sites can be adaptable to, use
Time, nearest wiring hole can be selected to be attached, and untapped wiring hole is sealed by lid.
3rd space formed below in the first space, is provided with monocrystalline-silicon pressure transducer in described 3rd space, should
Monocrystalline-silicon pressure transducer is connected to processor.
Further, intercommunicating pore, described monocrystalline-silicon pressure transducer it are formed with between described first space and the 3rd space
It is sealed in described intercommunicating pore.
Further, threadedly rotate between edge and the inwall in the 3rd space of this monocrystalline-silicon pressure transducer
Coordinate.
Shown in Fig. 4, monocrystalline-silicon pressure transducer includes substrate 81 and is formed at substrate 81 surface single crystal silicon thin film
82, it is formed with vacuum chamber 83 between monocrystalline silicon thin film 82 and substrate surface.
In this technical scheme, use monocrystalline-silicon pressure transducer to be applied to liquidometer, its accuracy of detection can be greatly improved.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to a reality
Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating
Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that
Including process, method, article or the equipment of described key element there is also other identical element.
The above is only the detailed description of the invention of the application, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the application principle, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (8)
1. a high accuracy number liquidometer, it is characterised in that include housing, this housing has the first sky accommodating processor
Between, the 3rd space formed below in this first space, it is provided with monocrystalline-silicon pressure transducer in described 3rd space, this monocrystalline
Silicon pressure sensor is connected to described processor.
High accuracy number liquidometer the most according to claim 1, it is characterised in that: described first space and the 3rd space it
Between be formed with intercommunicating pore, described monocrystalline-silicon pressure transducer is sealed in described intercommunicating pore.
High accuracy number liquidometer the most according to claim 1, it is characterised in that: the limit of described monocrystalline-silicon pressure transducer
Threadedly it is rotatably assorted between the inwall in edge and the 3rd space.
High accuracy number liquidometer the most according to claim 1, it is characterised in that: described monocrystalline-silicon pressure transducer includes
Substrate and be formed at substrate surface monocrystalline silicon thin film, is formed with vacuum chamber between described monocrystalline silicon thin film and substrate surface.
High accuracy number liquidometer the most according to claim 1, it is characterised in that: described 3rd space is airtight chamber
Body.
High accuracy number liquidometer the most according to claim 5, it is characterised in that: offer on described housing and described
The second opening that one space communicates, this second opening part is capped with the second lid, and described second lid is removably fixed in described
On housing.
High accuracy number liquidometer the most according to claim 6, it is characterised in that: it is provided with numeral in described first space
Display screen, the corresponding described digital display screen position of described second lid is provided with transparent window.
High accuracy number liquidometer the most according to claim 1, it is characterised in that: the material of described housing is aluminium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620640799.5U CN205691199U (en) | 2016-06-25 | 2016-06-25 | High accuracy number liquidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620640799.5U CN205691199U (en) | 2016-06-25 | 2016-06-25 | High accuracy number liquidometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691199U true CN205691199U (en) | 2016-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620640799.5U Active CN205691199U (en) | 2016-06-25 | 2016-06-25 | High accuracy number liquidometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928587A (en) * | 2016-06-25 | 2016-09-07 | 苏州赛智达智能科技有限公司 | High-precision digital liquid level meter |
-
2016
- 2016-06-25 CN CN201620640799.5U patent/CN205691199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928587A (en) * | 2016-06-25 | 2016-09-07 | 苏州赛智达智能科技有限公司 | High-precision digital liquid level meter |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |