CN106353026A - Pressure instrument with excellent damp-proof function - Google Patents
Pressure instrument with excellent damp-proof function Download PDFInfo
- Publication number
- CN106353026A CN106353026A CN201610665077.XA CN201610665077A CN106353026A CN 106353026 A CN106353026 A CN 106353026A CN 201610665077 A CN201610665077 A CN 201610665077A CN 106353026 A CN106353026 A CN 106353026A
- Authority
- CN
- China
- Prior art keywords
- liquid level
- drying baker
- level transmitter
- proof function
- manometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0091—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0654—Protection against aggressive medium in general against moisture or humidity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Fluid Pressure (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a pressure instrument with an excellent damp-proof function. The pressure instrument comprises a liquid level transmitter. The liquid level transmitter is used for measuring pressures, a drying tank is mounted outside the liquid level transmitter, a plurality of freezing tubes for freezing water vapor are arranged in the drying tank and are filled with freezing mixtures, partition plates are arranged between the freezing tubes and the liquid level transmitter and are detachably connected with the drying tank, cover plates are fastened at the top and the bottom of the drying tank, a pressure detection hole is formed in a side surface of the drying tank, a mounting hole is formed in the side surface, which is far away from the pressure detection hole, of the drying tank, and a connecting wire is arranged in the mounting hole; one end of the connecting wire is connected with the liquid level transmitter, and the other end of the connecting wire is connected with a display for displaying measurement results. The pressure instrument in the design has the advantages that water molecules around the liquid level transmitter can be quickly condensed and frozen, accordingly, measurement environments can be locally dried, the problem of corrosion due to the fact that an existing liquid level transmitter is severely affected with damp can be effectively solved, the service life of the liquid level transmitter can be prolonged, and the service cost can be reduced.
Description
Technical field
The present invention relates to sensor and its measuring instrumentss technical field, especially relate to a kind of good pressure of moisture-proof function
Instrument.
Background technology
Manometer is used for measuring pressure value size in various environment, when needing to measure the pressure value under wet environment
When, due to dampness overweight so can make the metal material on manometer surface that corrosion occurs, thus breakdown pressure measuring instrumentss
Internal structure, make manometer cannot normal work it is impossible to accurately measure the pressure value size of testing pressure.Moist environment
The service life of manometer is made substantially to shorten so that the use cost of manometer is greatly improved.As can be seen here, how to study
Go out a kind of good manometer of moisture-proof function, can have the ability of self-protection in wet environment, be current this area
Technical staff's problem demanding prompt solution.
Content of the invention
In order to solve the above problems, the invention provides a kind of good pressure of moisture-proof function that can increase the service life
Instrument.
A kind of good manometer of moisture-proof function of the present invention, including the fluid level transmitter for measuring pressure size, institute
The outside stating fluid level transmitter is provided with drying baker, is provided with the many cryovials for freezing vapor, institute in described drying baker
State cryovial built with cryogen, between described cryovial and described fluid level transmitter, be provided with dividing plate, described dividing plate is dry with described
Dry case is to be detachably connected, and the top of described drying baker and bottom snap have cover plate, and the side of described drying baker is provided with pressure and visits
Gaging hole, the side away from the described drying baker in described pressure detection hole offers installing hole, and described installation in the hole is provided with even
Wiring；Described connecting line one end is connected with described fluid level transmitter, and the other end is connected with the display for showing measurement result.
Further, described fluid level transmitter includes liquid level installation pedestal and the institute that pilot head is connected with described pilot head
State what the circuit board that the sensor that liquid level installation pedestal is connected is connected with described sensor was connected with described circuit board
Inducing QI cable and the sheath being located at outside.
Further, described pilot head and the described drying baker side offering described pressure detection hole one end are closely pasted
Close.
Further, described inducing QI cable end piece is provided with liquid level leader cable, described liquid level leader cable and described company
Wiring is connected.
Further, described cryogen is liquid nitrogen.
Further, the side wall of described drying baker offers jack, described dividing plate and described drying baker pass through described inserting
Hole is fixedly connected.
Further, described display includes display floater and control panel two parts.
Further, the lower section of described display is provided with the support for fixing and supporting described display.
A kind of good manometer of moisture-proof function of the present invention, compared with prior art has the advantage that
First, had dry in the good manometer of this moisture-proof function by setting one outside described fluid level transmitter
The drying baker of dry function makes the hydrone around described fluid level transmitter be condensed freezing by rapid, thus reaching the survey of local desiccation
Amount environment, is prevented effectively from the situation occurring corrosion because described fluid level transmitter seriously makes moist, and improves described liquid level and becomes
Send the service life of device, reduce use cost；Arranging described dividing plate is in order that the temperature of described fluid level transmitter is maintained at
Can be in the range of normal work, arranging described pressure detection hole is then in order that described fluid level transmitter more accurately perceives treats
The size of measuring pressure, arranging described display is then in order that measurement result is more directly perceived, is easy to survey crew and obtains measurement knot
Really.
Second, pilot head described in the good manometer of this moisture-proof function is to be transmitted to the pressure size of perception
Described liquid level installation pedestal is simultaneously transferred to described sensor, is converted to the signal of telecommunication by described sensor, then by the described signal of telecommunication
Conducted to described inducing QI cable by described circuit board, measure effective transmission of signal by described inducing QI cable again.Should
It is compact that design has a measurement structure, measurement result accurately advantage.
3rd, pilot head described in the good manometer of this moisture-proof function with offer described pressure detection hole one end
Described drying baker side fits tightly.This design partly in order to make described pilot head conducting pressure size more accurate；
On the other hand it is then to prevent outside moisture from pouring in institute by the gap between described pilot head and described drying baker side
State in drying baker, reduce the workload of cryovial.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the internal structure schematic diagram of the drying baker of the present invention；
Fig. 3 is sensor of the invention sectional view.
In figure:
1st, display 2, connecting line 3, drying baker
4th, cover plate 5, dividing plate 6, pressure detection hole
7th, fluid level transmitter 7.1, pilot 7.2, sensor
7.3rd, circuit board 7.4, inducing QI cable 7.5, sheath
Specific embodiment
In order to be better understood from the present invention, with reference to specific embodiments and the drawings, the present invention is further retouched
State.
As Figure 1-3, the good manometer of a kind of moisture-proof function, including the level transmitting for measuring pressure size
Device 7, the outside of described fluid level transmitter 7 is provided with drying baker 3, is provided with many for freezing vapor in described drying baker 3
Cryovial, described cryovial is built with cryogen.Be provided with dividing plate 5 between described cryovial and described fluid level transmitter 7, described every
Plate 5 and described drying baker 3 are to be detachably connected, and the top of described drying baker 3 and bottom snap have cover plate 4.Described drying baker 3
Side is provided with pressure detection hole 6, and the side away from the described drying baker 3 in described pressure detection hole 6 offers installing hole, described
In the hole is installed and is provided with connecting line 2.Described connecting line 2 one end is connected with described fluid level transmitter 7, and the other end is connected with for showing
Show the display 1 of measurement result.
In the present invention, described liquid is made by the drying baker 3 having functions/drying in the outside setting one of described fluid level transmitter 7
Hydrone around the transmitter 7 of position is condensed freezing by rapid, thus reaching the measuring environment of local desiccation, be prevented effectively from appearance because
Described fluid level transmitter 7 seriously makes moist and the situation of corrosion occurs, and improves the service life of described fluid level transmitter 7, reduces
Use cost.Arrange described dividing plate 5 be in order that the temperature of described fluid level transmitter 7 be maintained at can normal work scope
Interior, arranging described pressure detection hole 6 is then in order that described fluid level transmitter 7 more accurately perceives the size of testing pressure,
Arranging described display 1 is then in order that measurement result is more directly perceived, is easy to survey crew and obtains measurement result.
Described fluid level transmitter 7 include liquid level installation pedestal that pilot 7.1 is connected with described pilot 7.1 with described
Circuit board 7.3 and described circuit board that the sensor 7.2 that liquid level installation pedestal is connected is connected with described sensor 7.2
Inducing QI cable 7.4 and the sheath 7.5 being located at outside that 7.3 are connected.Described pilot 7.1 is in order to the pressure that will perceive is big
Little be transmitted to described liquid level installation pedestal and be transferred to described sensor 7.2, the signal of telecommunication is converted to by described sensor 7.2,
Again the described signal of telecommunication 7.2 is conducted to described inducing QI cable 7.4 by described circuit board 7.3, by described inducing QI cable 7.4 again
Measure effective transmission of signal.It is compact that this design has a measurement structure, measurement result accurately advantage.
Described pilot 7.1 is fitted tightly with described drying baker 3 side offering described pressure detection hole 6 one end.Should
Design one is in order that the size of described pilot 7.1 conducting pressure is more accurate；Two is to prevent outside moisture from passing through
Gap between described pilot 7.1 and described drying baker 3 side pours in described drying baker 3, and the work reducing cryovial is born
Lotus.
In order that the pressure value of measurement is accurately and effectively transmitted by described fluid level transmitter 7 by the signal of telecommunication, so
Described inducing QI cable 7.4 end is provided with liquid level leader cable, described liquid level leader cable is connected with described connecting line 2.
In order to improve the refrigerating effect of described cryovial, and then the drying capacity of the described drying baker 3 of lifting, so will be described
Cryogen is designed as liquid nitrogen.In addition, liquid nitrogen also has the characteristics that environmental protection, nontoxic, healthy to staff
Do not result in any injury, belong to a kind of foolproof cryogen.
In order that the attachment structure between described drying baker 3 and described dividing plate 5 is simpler, thus improving packaging efficiency,
So offering jack on the side wall of described drying baker 3, it is fixing even that described dividing plate 5 and described drying baker 3 pass through described jack
Connect.
In order that described display 1 has the function of display and regulation and control, so described display 1 is designed as including display
Panel and control panel two parts.Wherein display floater is liquid crystal display, and control panel is contact action panel.
In order that the fixation of described display 1 is more steady, measure manipulation and reading numerical values in order to survey crew,
So be provided with the support for fixing and supporting described display 1 in the lower section of described display 1.
Above embodiments of the invention are described in detail, but described content have been only presently preferred embodiments of the present invention,
It is not to be regarded as the practical range for limiting the present invention.All impartial changes made according to the scope of the invention and improvement etc., all should
Still belong within this patent covering scope.
Claims (8)
1. the good manometer of a kind of moisture-proof function, including the fluid level transmitter (7) for measuring pressure size, its feature exists
In: the outside of described fluid level transmitter (7) is provided with drying baker (3), is provided with for freezing vapor in described drying baker (3)
Many cryovials, described cryovial, built with cryogen, is provided with dividing plate between described cryovial and described fluid level transmitter (7)
(5), described dividing plate (5) and described drying baker (3) are to be detachably connected, and the top of described drying baker (3) and bottom snap have lid
Plate (4), the side of described drying baker (3) is provided with pressure detection hole (6), away from the described drying baker of described pressure detection hole (6)
(3) offer installing hole on side, described installation in the hole is provided with connecting line (2)；Described connecting line (2) one end and described liquid
Position transmitter (7) is connected, and the other end is connected with the display (1) for showing measurement result.
2. the good manometer of moisture-proof function according to claim 1 it is characterised in that: described fluid level transmitter (7)
The liquid level installation pedestal being connected with described pilot head (7.1) including pilot head (7.1) is connected with described liquid level installation pedestal
Sensor (7.2) circuit board (7.3) that is connected with described sensor (7.2) be connected with described circuit board (7.3)
Inducing QI cable (7.4) and the sheath (7.5) being located at outside.
3. the good manometer of moisture-proof function according to claim 2 it is characterised in that: described pilot head (7.1) with
Described drying baker (3) side offering described pressure detection hole (6) one end fits tightly.
4. the good manometer of moisture-proof function according to claim 2 it is characterised in that: described inducing QI cable (7.4)
End is provided with liquid level leader cable, and described liquid level leader cable is connected with described connecting line (2).
5. the good manometer of moisture-proof function according to claim 1 it is characterised in that: described cryogen be liquid
Nitrogen.
6. the good manometer of moisture-proof function according to claim 1 it is characterised in that: the side of described drying baker (3)
Jack is offered, described dividing plate (5) is fixedly connected by described jack with described drying baker (3) on wall.
7. the good manometer of moisture-proof function according to claim 1 it is characterised in that: described display (1) includes
Display floater and control panel two parts.
8. the good manometer of the moisture-proof function according to any one in claim 1-7 it is characterised in that: described aobvious
Show that the lower section of device (1) is provided with the support for fixing and supporting described display (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610665077.XA CN106353026A (en) | 2016-08-12 | 2016-08-12 | Pressure instrument with excellent damp-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610665077.XA CN106353026A (en) | 2016-08-12 | 2016-08-12 | Pressure instrument with excellent damp-proof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106353026A true CN106353026A (en) | 2017-01-25 |
Family
ID=57844873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610665077.XA Pending CN106353026A (en) | 2016-08-12 | 2016-08-12 | Pressure instrument with excellent damp-proof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106353026A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663146A (en) * | 2018-08-07 | 2018-10-16 | 合肥云联电子科技有限公司 | A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating |
| CN113310621A (en) * | 2021-05-27 | 2021-08-27 | 形翼科技(上海)有限公司 | Dampproofing pressure sensor |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043286A (en) * | 1989-03-25 | 1990-06-27 | 辛益群 | Desicator |
| CN2299307Y (en) * | 1997-03-27 | 1998-12-02 | 北京市新大云传感技术公司 | throwing static pressure liquid level transmitter |
| CN201488851U (en) * | 2009-07-12 | 2010-05-26 | 邓铁六 | High-accuracy vibrating-wire pressure sensor |
| CN201583379U (en) * | 2009-12-29 | 2010-09-15 | 长沙矿山研究院 | Deep sea high pressure sensor packaging structure |
| CN101886963A (en) * | 2010-07-07 | 2010-11-17 | 山东佰测仪表有限公司 | Air film type-based dampproof wiring box |
| CN102980628A (en) * | 2012-12-31 | 2013-03-20 | 西安工业大学 | Anti-freezing type bottom installed liquid level measuring device |
| CN203672552U (en) * | 2013-12-06 | 2014-06-25 | 天水华天传感器有限公司 | Pressure transmitter |
| CN104359610A (en) * | 2014-11-03 | 2015-02-18 | 南车资阳机车有限公司 | PCB (printed circuit board) micro-pressure sensor isolation box |
| CN204439251U (en) * | 2015-03-08 | 2015-07-01 | 江苏菲尔德自动化仪表有限公司 | Pressure transmission controller |
| CN204575167U (en) * | 2015-04-03 | 2015-08-19 | 麦克传感器有限公司 | Fluid level transmitter |
| WO2015197345A1 (en) * | 2014-06-24 | 2015-12-30 | Endress+Hauser Gmbh+Co. Kg | Dry module for a relative pressure measurement recorder |
| CN105606296A (en) * | 2015-12-30 | 2016-05-25 | 南京南瑞集团公司 | Fiber type osmotic pressure sensor with fine-tuning device and automatic temperature compensation |
-
2016
- 2016-08-12 CN CN201610665077.XA patent/CN106353026A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043286A (en) * | 1989-03-25 | 1990-06-27 | 辛益群 | Desicator |
| CN2299307Y (en) * | 1997-03-27 | 1998-12-02 | 北京市新大云传感技术公司 | throwing static pressure liquid level transmitter |
| CN201488851U (en) * | 2009-07-12 | 2010-05-26 | 邓铁六 | High-accuracy vibrating-wire pressure sensor |
| CN201583379U (en) * | 2009-12-29 | 2010-09-15 | 长沙矿山研究院 | Deep sea high pressure sensor packaging structure |
| CN101886963A (en) * | 2010-07-07 | 2010-11-17 | 山东佰测仪表有限公司 | Air film type-based dampproof wiring box |
| CN102980628A (en) * | 2012-12-31 | 2013-03-20 | 西安工业大学 | Anti-freezing type bottom installed liquid level measuring device |
| CN203672552U (en) * | 2013-12-06 | 2014-06-25 | 天水华天传感器有限公司 | Pressure transmitter |
| WO2015197345A1 (en) * | 2014-06-24 | 2015-12-30 | Endress+Hauser Gmbh+Co. Kg | Dry module for a relative pressure measurement recorder |
| CN104359610A (en) * | 2014-11-03 | 2015-02-18 | 南车资阳机车有限公司 | PCB (printed circuit board) micro-pressure sensor isolation box |
| CN204439251U (en) * | 2015-03-08 | 2015-07-01 | 江苏菲尔德自动化仪表有限公司 | Pressure transmission controller |
| CN204575167U (en) * | 2015-04-03 | 2015-08-19 | 麦克传感器有限公司 | Fluid level transmitter |
| CN105606296A (en) * | 2015-12-30 | 2016-05-25 | 南京南瑞集团公司 | Fiber type osmotic pressure sensor with fine-tuning device and automatic temperature compensation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663146A (en) * | 2018-08-07 | 2018-10-16 | 合肥云联电子科技有限公司 | A kind of protective device of the fiber bragg grating pressure sensor with temperature-compensating |
| CN108663146B (en) * | 2018-08-07 | 2023-11-21 | 合肥森岑汽车用品有限公司 | Protection device with temperature compensation for fiber grating pressure sensor |
| CN113310621A (en) * | 2021-05-27 | 2021-08-27 | 形翼科技(上海)有限公司 | Dampproofing pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170125 |