CN108168764A - A kind of hydraulic measurement device and water heater - Google Patents
A kind of hydraulic measurement device and water heater Download PDFInfo
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- CN108168764A CN108168764A CN201711363924.8A CN201711363924A CN108168764A CN 108168764 A CN108168764 A CN 108168764A CN 201711363924 A CN201711363924 A CN 201711363924A CN 108168764 A CN108168764 A CN 108168764A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000005259 measurement Methods 0.000 title claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 179
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 229920002545 silicone oil Polymers 0.000 claims description 5
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 claims description 4
- 210000001124 body fluid Anatomy 0.000 claims 1
- 239000010839 body fluid Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 34
- 238000000034 method Methods 0.000 description 15
- 230000008859 change Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 206010015866 Extravasation Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- -1 preferably Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of hydraulic measurement device and water heaters, belong to hydraulic measurement technical field.Hydraulic measurement device includes the housing with opening, and the second proportion liquid is housed in housing, and the bottom interior wall of housing is equipped with pressure sensor；Pressure sensor is all immersed in the second specific gravity liquid body, wherein, the thermal conductivity factor of the second proportion liquid is less than the first proportion liquid, and the second proportion is more than the first proportion；First proportion liquid enters housing, the hydraulic pressure that pressure sensor passes through second proportion liquid measure the first proportion liquid via opening.Fluid to be measured and pressure sensor are isolated by liquid level emasuring device provided by the invention using the liquid that thermal conductivity factor is smaller and proportion is larger, pressure sensor can not only be made normally to sense the hydraulic pressure of fluid to be measured, interference effect of the high-temperature temperature to pressure sensor of fluid to be measured can also be reduced simultaneously, reduce measurement error.
Description
Technical field
The present invention relates to hydraulic measurement technical field, more particularly to a kind of hydraulic measurement device and water heater.
Background technology
At present, for water heating apparatus such as boiler, water heaters, the height of liquid level of the water of heating is equipment safety operation
One important parameter；The level gauging of part water heating apparatus of the prior art is heated by pressure sensor detection
The hydraulic pressure of the bottommost of water obtains liquid level data according to hydraulic pressure conversion later, in this measurement method, as hydraulic detection unit
Pressure sensor inevitably contacted with the water heated, however, conventional pressure sensor holds under high temperature environment
Measurement accuracy easily is lost, the service life shortens；Also, the impurity pollution in by hot water, the sensitivity of pressure sensor further decline,
Pressure sensor fuselage also will appear etching problem, influence the service life of pressure sensor.
Invention content
The present invention provides a kind of hydraulic measurement device and water heaters, it is intended to solve pressure sensor and be in high-temperature liquid state ring
The problem of failure is easily damaged when being measured in border.In order to the embodiment to disclosure some aspects there are one basic understanding, under
Face gives simple summary.The summarized section is not extensive overview, nor to determine key/critical component or description
The protection domain of these embodiments.Its sole purpose is that some concepts are presented with simple form, detailed in this, as below
The preamble of explanation.
According to the first aspect of the invention, a kind of hydraulic measurement device is provided, for measuring the first proportion liquid
Hydraulic pressure including having the housing of opening, is equipped with the second proportion liquid, the bottom interior wall of housing is equipped with pressure sensor in housing；
Pressure sensor is all immersed in the second specific gravity liquid body, wherein, the thermal conductivity factor of the second proportion liquid is less than the first specific gravity liquid
Body, the second proportion are more than the first proportion；First proportion liquid enters housing via opening, and pressure sensor passes through the second specific gravity liquid
The hydraulic pressure of bulk measurement the first proportion liquid.
In a kind of optional embodiment, hydraulic measurement device further includes the float for floating on the second proportion liquid levels,
The proportion of float is less than the second proportion, and more than or equal to the first proportion.
In a kind of optional embodiment, the bore of opening is less than the minimum outer diameter of float, and float is limited in shell
In vivo.
In a kind of optional embodiment, the lower inner wall face of housing is coated with the second of affine second proportion liquid and applies
Layer, the coating height of second coating are adapted with the liquid level of the second proportion liquid；The upper inside wall face of housing is coated with parent
With the first coating of the first proportion liquid.
In a kind of optional embodiment, it is opened on the top surface or side of housing.
According to the second aspect of the invention, a kind of water heater is provided, including water storage liner and for measuring in water storage
The hydraulic measurement device provided such as any one of above-mentioned first aspect of hydraulic pressure in courage；Hydraulic measurement device is set on water storage liner
Bottom, and liquid level emasuring device is connected by being open with water storage liner.
The shell surface of hydraulic measurement device is equipped with the first screw thread, and the bottom of water heater offers perforation to water storage liner
Screw channel, hydraulic measurement device are bolted in screw channel.
Water heater further includes inlet and outlet, and hydraulic measurement device is located at separate water inlet and the water outlet of water storage liner
The bottom position of mouth.
Water heater further includes processor, and processor is used for the pressure according to detected by the pressure sensor of liquid level emasuring device
Power determines the liquid level of the water in water storage liner.
Second proportion liquid includes silicone oil.
It is of the invention to be using advantageous effect possessed by above-mentioned technical proposal：
Liquid level emasuring device provided by the invention using thermal conductivity factor is smaller and proportion is larger liquid by fluid to be measured with
Pressure sensor is isolated, and pressure sensor can not only be made normally to sense the hydraulic pressure of fluid to be measured, while can also reduce quilt
Interference effect of the high-temperature temperature to pressure sensor of liquid is surveyed, reduces measurement error.
It should be understood that above general description and following detailed description are only exemplary and explanatory, not
It can the limitation present invention.
Description of the drawings
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is the structure diagram according to the liquid level emasuring device of the present invention shown by an exemplary embodiment；
Fig. 2 is the structure diagram according to the water heater of the present invention shown by an exemplary embodiment.
Wherein, 1, housing；11st, it is open；2nd, the first proportion liquid；3rd, the second proportion liquid；4th, pressure sensor；5th, it floats
Son；6th, water heater；61st, water storage liner.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, it is not meant to automatically limit ranging from any single invention of the application
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any practical relationships between these entities or operation
Or sequence.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so as to
So that the process, method or equipment that include a series of elements not only include those elements, but also including being not explicitly listed
Other element or further include as this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the process including the element, method or equipment
In also there are other identical elements.Each embodiment herein is described by the way of progressive, and each embodiment stresses
Be all difference from other examples, just to refer each other for identical similar portion between each embodiment.For implementing
For method, product etc. disclosed in example, due to its with embodiment disclosed in method part it is corresponding, so the comparison of description is simple
Single, reference may be made to the description of the method.
Fig. 1 is the structure diagram according to the hydraulic measurement device of the present invention shown by an exemplary embodiment.
As shown in Figure 1, the present invention provides a kind of hydraulic measurement device, the heating such as hot-water boiler, water heater are can be applied to
Equipment for measuring the hydraulic pressure of heated liquid in heating equipment, and can be further calculated according to hydraulic pressure by heating liquid
The liquid level of body；In embodiment, the kind of liquid heated in heating equipment is not limited to water, for the ease of following theory
It is bright, the liquid heated is defined as the first proportion liquid 2 herein, i.e. hydraulic measurement device of the invention is to measure the first proportion
When the hydraulic pressure of liquid 2 such as the heating equipment applied when hydraulic measurement device is water heater, then hydraulic measurement device measuring is
The hydraulic pressure of the water heated, the first proportion are the proportion of water itself.
Specifically, the structure of the hydraulic measurement device of the present invention mainly includes：
Housing 1, housing 1 are hollow structure, and with the opening 11 flowed into for the first proportion liquid 2 in housing 1.It is illustrating
Embodiment in, 1 tubular semi-closed structure of housing, the top surface that opening 11 is opened in tubular shell 1, the first proportion liquid 2
Housing 1 can be flowed in or out from the opening 11 of top surface；In further embodiments, opening 11 can also be opened in tubular shell 1
Side on, it is this to set preferably, 11 quantity of opening being opened on side is multiple, and along the longitudinally spaced arrangement of housing 1
The advantages of meter is, since hydraulic measurement device is generally mounted to the bottom of the heating chamber of heating equipment, and the bottom of heating chamber
Portion is often deposited there are many impurity that heated liquid mixes, therefore, in order to avoid these impurity block the shell of 11 formula of single radial cut
The single opening 11 of body 1 and cause the first proportion liquid 2 can not via opening 11 flow in or out housing 1 the problem of, the present invention
The multiple openings 11 set on side can wherein it is one or several opening 11 it is blocked when, the first proportion liquid 2 still may be used
Normally to flow in or out housing 1 from other openings 11, meanwhile, in multiple openings 11 of longitudinal arrangement, the opening in top
11 can keep certain spacing with the bottom of heating chamber, can equally reduce impurity and be mixed into housing 1 and occlusion of openings 11
The problems such as appearance.
Second proportion liquid 3, is filled in housing 1, and in embodiment, the second proportion liquid 3 is not to be filled with housing 1
Inner space, but be filled in the lower space of housing 1, using the upper space of housing 1 as the first specific gravity liquid flowed into
The accommodating space of body 2；Wherein, the thermal conductivity factor of the second proportion liquid 3 is less than the first proportion liquid 2, i.e. the second proportion liquid 3
Rate temperature change will be less than the rate temperature change of the first proportion liquid 2, in this way, when the first proportion liquid 2 is heated, the
The temperature change of two proportion liquid 3 will lag behind the temperature change of the first proportion liquid 2；Also, the second proportion is more than the first ratio
Weight, i.e. 3 density of the second proportion liquid are greater than 2 density of the first proportion liquid, in this way, when the first proportion liquid 2 is via opening 11
After flowing into housing 1, the second larger proportion liquid 3 of proportion can be still accumulated in the lower space of housing 1, and proportion is smaller
First proportion liquid 2 then floats on the upper space of housing 1,3 top of the second proportion liquid, and the first proportion liquid 2 will not or only have
A small amount of to penetrate into the second proportion liquid 3, apparent stratification state, the first ratio is presented in the liquid of two kinds of different specific weights in housing 1
Heavy-fluid body 2 is in upper strata, and the second proportion liquid 3 is in lower floor.
Pressure sensor 4, in the bottom interior wall of housing 1, and pressure sensor 4 is all immersed in the second proportion liquid
In 3, the second proportion liquid 3 is used as liquid barrier layer, and the first proportion liquid 2 is made not to be in direct contact with pressure sensor 4；Together
When, the first proportion liquid 2 enters housing 1 via opening 11, and pressure sensor 4 measures the first proportion by the second proportion liquid 3
The hydraulic pressure of liquid 2.
The specific assembling structure and pressure measurement process of hydraulic measurement device of the present invention and heating equipment are illustrated below.
Heating equipment generally has the heating chamber for housing liquid to be heated, and is heated the liquid in heating chamber
Preset temperature；In embodiment, the maximum hydraulic pressure of hot liquid to be added, hydraulic measurement device of the invention can be measured for guarantee
Opening 11 set on the bottom of the heating chamber of heating equipment, and hydraulic measurement device is connected with the inner space of heating chamber, this
Sample, the liquid to be heated of heating chamber bottom can enter out of heating chamber in housing 1, meanwhile, also the hydraulic pressure of bottom is passed
It is handed in housing 1；Specifically, it is the first proportion liquid 2 to be contained in heating chamber, the first proportion liquid 2 enters in housing 1 it
Afterwards, it is contacted with the second proportion liquid 3 filled in housing 1, the hydraulic pressure of the first proportion liquid 2 is transmitted to the second proportion liquid 3, so
Afterwards, the second proportion liquid 3 continues hydraulic pressure transfer to the pressure sensor 4 being immersed in the second proportion liquid 3, in this way, pressure
Sensor 4 can detect to obtain the hydraulic data of the first proportion liquid 2.
Further, according to calculation of hydraulic pressure formula P=ρ gh it is found that the actually detected liquid arrived of pressure sensor 4 of the present invention
It presses as P=(ρ1*h1+ρ2*h2) * g, wherein, the hydraulic pressure that P is measured for pressure sensor 4, ρ1For the first proportion liquid in heating chamber
2 density, h1For the liquid level of the first proportion liquid 2 in heating chamber, ρ2For the second proportion liquid 3 of filling in housing 1
Density, h2Liquid level for the second proportion liquid 3 filled in housing 1, g is gravity coefficient；In embodiment, the first proportion
The density p of liquid 21, the density p of the second proportion liquid 3 that is filled in housing 12With liquid level h2Be it is known, therefore, i.e.,
Can the liquid level in heating chamber of the first proportion liquid 2 be calculated according to the hydraulic pressure P that pressure sensor detects
h1。
It should be understood that in Yi Shang hydraulic pressure and liquid height calculating process, temperature change is had ignored to fluid density
It influences, i.e., the liquid level emasuring device is suitable for liquid density with temperature and changes insensitive, inapparent liquid level measurement scene；
Setting is that the vapour pressure in heating chamber residing for the first proportion liquid 2 does not change total gas pressure on its liquid level；If liquid level is surveyed
Influence can be formed for enclosed liquid container and vapour pressure on the total gas pressure of liquid level by measuring device, then can be another in heating chamber
If an air pressure measuring apparatus, separately to measure the actual pressure on the liquid level of the first proportion liquid 2, to be passed in the calculation to pressure
Hydraulic data detected by sensor is corrected, so as to ensure the accuracy of liquid level calculating.
Alternatively, in embodiment, the heating chamber larger compared to volume, the overall dimensions of hydraulic measurement device of the present invention are set
Meter it is smaller, the height spacing between the liquid level of the second proportion liquid 3 and pressure sensor 4 that fill in housing 1 be it is known,
And height number is smaller, generally within 5cm, therefore, in some optional calculations, caused by the second proportion liquid 3
Pressure can be allowed to remove in the formula of display, directly according to formula h=P/ by the method for adjustment of pressure measurement zero
ρ g, the h calculated can be used as the height of the first proportion liquid 2 to be measured.
In the present embodiment, the thermal conductivity factor of the second proportion liquid 3 is less than the thermal conductivity factor of the first proportion liquid 2, therefore,
When in the detection heating of pressure sensor 4 or being in the pressure of the first proportion liquid 2 of higher temperature, since pressure passes
Sensor 4 is all immersed in the second proportion liquid 3, and the temperature change of the second proportion liquid 3 lags behind the temperature of the first proportion liquid 2
Therefore degree variation, by the barrier of the second proportion liquid 3, can play pressure sensor 4 a degree of high temperature protection effect
Fruit reduces interference of the high temperature to pressure sensor 4, so as to reduce the detection error of pressure sensor 4.
In embodiment, the first proportion liquid 2 in the heating chamber that hydraulic measurement device is installed after heating is completed,
The equipment of other demand high-temp liquids can be delivered to, meanwhile, the first proportion liquid of low temperature can be also filled into heating chamber again
2, during high-temp liquid outflow and cryogenic liquid supplement, often disturbed along with the first proportion liquid 2 in heating chamber
It is dynamic, in the case where disturbance is relatively violent, it is also possible to the second proportion liquid 3 in housing 1 be caused to be flowed out at opening 11 and added
In hot chamber, the first proportion liquid 2 in heating chamber polluted；Therefore, the second proportion liquid 3 is flowed out from opening 11 in order to prevent,
The hydraulic measurement device of the present invention is also provided with a float 5 in housing 1, and the proportion of float 5 is less than the second proportion, and be more than or
Equal to the first proportion, in this way, the float 5 can float on 3 liquid level of the second proportion liquid, which can weaken the first specific gravity liquid
The fluctuation that body 2 is transmitted into housing 1, to reduce the shadow because the second proportion liquid 3 is caused to fluctuate during the disturbance of the first proportion liquid 2
It rings.
Preferably, the bore of the opening 11 of housing 1 is less than the minimum outer diameter of float 5, float 5 is limited in housing 1；
In this way, when the trend to the flowing of 11 directions of opening occurs in the second proportion liquid 3, the float 5 in liquid level is also synchronized to opening
11 directions are moved, and when float 5 is moved to 11 position of opening, float 5 can not be deviate from opening 11, and be blocked in opening 11
It puts, to avoid the second proportion liquid 3 to flows outside.
Optionally, the shapes such as spherical, taper or arc may be used in the pattern of float 5, and the present invention is not limited thereto.When adopting
During with spherical 5 pattern of float, the maximum caliber of the opening 11 of housing 1 should be less than the diameter of spherical float 5.
In some embodiments, the lower inner wall face of housing 1 is coated with the second coating of affine second proportion liquid 3, the
Two coatings can improve the second proportion liquid 3 and the tackness in lower inner wall face, so that the second proportion liquid 3 may reside within down
In portion space, reduce infiltration of the second proportion liquid 3 to upper space and move, the coating height and the second of filling of second coating
The liquid level of proportion liquid 3 is consistent or liquid level of slightly above the second proportion liquid 3.
Similar, the upper inside wall face of housing 1 is coated with the first coating of affine first proportion liquid 2, can equally carry
High first proportion liquid 2 and the tackness in upper inside wall face, so that the first proportion liquid 2 may reside in upper space, subtract
Infiltration of few first proportion liquid 2 to lower space is moved.
In the present embodiment, film or end may be used after the second proportion liquid 3 is filled in hydraulic measurement device
The components such as lid seal the opening 11 of housing 1, to prevent the spillage at opening 11 in transportational process of hydraulic measurement device.
In further embodiments, semi-permeable membrane is could be covered at the opening 11 of housing 1, the infiltration plate is for the first ratio
Heavy-fluid body 2 passes through, and can stop passing through for the second proportion liquid 3, in this way, semi-permeable membrane can make the second proportion liquid 3 all
It is deposited in inside housing 1, avoids the extravasation problem of the second proportion liquid 3.
Fig. 2 is the structure diagram according to the water heater of the present invention shown by an exemplary embodiment.
According to the second aspect of the invention, a kind of water heater 6 is additionally provided, including having the water storage liner that can contain water
61 and such as the hydraulic measurement device provided in above-described embodiment, hydraulic measurement device can be used for measuring 6 water storage liner 61 of water heater
Interior hydraulic pressure, and further can calculate to lead height of water level in water storage liner 61 according to the hydraulic pressure that measures, so that it is determined that
Practical moisture storage capacity in water storage liner 61.
Specifically, hydraulic measurement device be set on water storage liner 61 bottom, and liquid level emasuring device by opening 11 with
Water storage liner 61 is connected, in this way, the water in water storage liner 61 can flow in or out housing 1 by opening 11, in this reality
It applies in example, water is the first proportion liquid 2 in previous embodiment.
In embodiment, the shell surface of hydraulic measurement device is equipped with the first screw thread, and the bottom of water heater 6 offers perforation
To the screw channel of water storage liner 61, hydraulic measurement device is bolted in screw channel, can be by adjusting hydraulic measurement device
Screw-in depth mode, the relative position of the bottom of adjustment pressure sensor 4 and water storage liner 61, so that pressure sensor 4
Height and position always below the bottom level position in water storage liner 61, so as to ensure hydraulic pressure that pressure sensor 4 measures
Can be equal or close to 61 bottom of water storage liner practical maximum hydraulic pressure.
Preferably, water heater 6 further includes inlet and outlet, hydraulic measurement device be located at water storage liner 61 far from into
The mouth of a river and the bottom position of water outlet, with reduce water heater 6 be discharged or moisturizing during turbulent water to hydraulic measurement fill
The influence of fluctuations of the second proportion liquid 3 in putting.
In the present embodiment, water heater 6 further includes processor, and processor is used for the pressure sensing according to liquid level emasuring device
Pressure detected by device 4, determines the liquid level of water, and the calculating process of specific liquid level is referred to previous embodiment institute
Disclosure, therefore not to repeat here.
Optionally, when the first proportion liquid 2 is water, the second proportion liquid 3 includes silicone oil, preferably, silicone oil is in housing 1
Interior packed height is about 5cm, and the type of silicone oil is preferably the branched chain silicone to methylate.
It should be understood that the invention is not limited in the flow and structure that are described above and are shown in the drawings,
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim
System.
Claims (10)
1. a kind of hydraulic measurement device, for measuring the hydraulic pressure of the first proportion liquid, which is characterized in that including having the shell of opening
Body, the housing is interior equipped with the second proportion liquid, and the bottom interior wall of the housing is equipped with pressure sensor；The pressure sensor
All it is immersed in the second specific gravity liquid body, wherein, the thermal conductivity factor of the second proportion liquid is less than first proportion
Liquid, the second proportion are more than the first proportion；The first proportion liquid enters the housing via the opening, and the pressure passes
The hydraulic pressure that sensor passes through the first proportion liquid described in the second proportion liquid measure.
2. hydraulic measurement device according to claim 1, which is characterized in that further include and float on the second specific gravity liquid body fluid
The float in face, the proportion of the float are less than second proportion, and more than or equal to first proportion.
3. hydraulic measurement device according to claim 2, which is characterized in that the bore of the opening is less than the minimum of float
The float is limited in the housing by outer diameter.
4. hydraulic measurement device according to claim 1, which is characterized in that the lower inner wall face of the housing is coated with parent
With the second coating of the second proportion liquid, the coating height of the second coating and the liquid level height of the second proportion liquid
Degree is adapted；The upper inside wall face of the housing is coated with the first coating of the affine first proportion liquid.
5. hydraulic measurement device according to claim 1, which is characterized in that the top surface for being opened in the housing
Or on side.
6. a kind of water heater, which is characterized in that including water storage liner and for measure hydraulic pressure in the water storage liner such as right
It is required that any one of them hydraulic measurement device of 1-5；The hydraulic measurement device is set on the bottom of the water storage liner, and institute
Liquid level emasuring device is stated by the opening with the water storage liner to be connected.
7. water heater according to claim 6, which is characterized in that the shell surface of the hydraulic measurement device is equipped with first
Screw thread, the bottom of the water heater offer perforation to the screw channel of the water storage liner, and the hydraulic measurement device is spirally connected
In in the screw channel.
8. water heater according to claim 6, which is characterized in that the water heater further includes inlet and outlet, institute
State the bottom position far from the water inlet and the water outlet that hydraulic measurement device is located at the water storage liner.
9. water heater according to claim 6, which is characterized in that the water heater further includes processor, the processor
For pressure detected by the pressure sensor according to the liquid level emasuring device, the liquid level of the water in the water storage liner is determined
Highly.
10. water heater according to claim 6, which is characterized in that the second proportion liquid includes silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363924.8A CN108168764B (en) | 2017-12-18 | 2017-12-18 | Hydraulic measuring device and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711363924.8A CN108168764B (en) | 2017-12-18 | 2017-12-18 | Hydraulic measuring device and water heater |
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| CN108168764A true CN108168764A (en) | 2018-06-15 |
| CN108168764B CN108168764B (en) | 2021-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225476A (en) * | 2017-12-18 | 2018-06-29 | 青岛海尔智能技术研发有限公司 | A kind of hydraulic measurement device |
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| CN108225476B (en) * | 2017-12-18 | 2020-06-02 | 青岛海尔智能技术研发有限公司 | Hydraulic measuring device |
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