CN110514555A - Concentration detection apparatus, concentration measurement and control device and solar water heater - Google Patents
Concentration detection apparatus, concentration measurement and control device and solar water heater Download PDFInfo
- Publication number
- CN110514555A CN110514555A CN201810495227.6A CN201810495227A CN110514555A CN 110514555 A CN110514555 A CN 110514555A CN 201810495227 A CN201810495227 A CN 201810495227A CN 110514555 A CN110514555 A CN 110514555A
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- Prior art keywords
- concentration
- heat
- water heater
- solar water
- antifreeze
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000001514 detection method Methods 0.000 title claims abstract description 77
- 238000005259 measurement Methods 0.000 title claims abstract description 10
- 230000002528 anti-freeze Effects 0.000 claims abstract description 76
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 14
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 6
- 230000003534 oscillatory effect Effects 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- 125000003827 glycol group Chemical group 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000007798 antifreeze agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000007914 freezing tolerance Effects 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/14—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by using rotary bodies, e.g. vane
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
- G01N11/16—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
Abstract
The present invention discloses a kind of concentration detection apparatus, concentration measurement and control device and solar water heater.Concentration of the afore mentioned concentration detection device for the antifreeze in the heat transferring medium in on-line checking solar water heater, the concentration detection apparatus includes: viscosity detector, the pipeline for being used to convey the heat transferring medium of the solar water heater is set, for detecting the viscosity of the heat transferring medium in the pipeline；Temperature sensor, suitable in the heat transferring medium that is arranged in the solar water heater, for detecting the temperature of the heat transferring medium in the solar water heater；The concentration of antifreeze in heat transferring medium described in the temperature computation detected with concentration calculation unit, the viscosity and the temperature sensor detected according to the viscosity detector.Therefore, in the present invention, the concentration of the antifreeze in heat transferring medium can be monitored online, exceed preset range to prevent the concentration of the antifreeze in heat transferring medium.
Description
Technical field
The present invention relates to a kind of for detecting the concentration of the concentration of the antifreeze in the heat transferring medium in solar water heater
Detection device and concentration measurement and control device and solar water heater including the concentration detection apparatus.
Background technique
For the solar water heater with heat-exchanger rig, the heat transferring medium in heat-exchanger rig usually all has stronger anti-
Jelly ability, to prevent the heat transferring medium in heat-exchanger rig from frost solidification occur in winter, therefore, this heat transferring medium is usually claimed
For anti frozen liquid, common anti frozen liquid is glycol water or aqueous solution of propylene glycol.It is freeze proof in anti frozen liquid in normal use
The concentration of agent (ethylene glycol or propylene glycol) should be within zone of reasonableness, for example, within the scope of 30V%~60V%.If
The freezing tolerance of lower limit value lower than zone of reasonableness or the upper limit value higher than zone of reasonableness, anti frozen liquid will decline, it is easy to go out
Now frost solidification.In use, it due to leakage, volatilizees, the loss such as aging causes the variation of freeze proof liquid measure and the change of concentration
Change.If adding or replacing anti frozen liquid not in time, it is possible to cause the concentration of the antifreeze in anti frozen liquid beyond zone of reasonableness, this meeting
Anti frozen liquid is caused to be easy occur frost solidification at low temperature, the pipeline so as to cause heat-exchanger rig is blocked or explosion.
Occurs the problem in order to prevent, in the prior art, it is generally required that be sampled analysis to anti frozen liquid, and according to taking
Sample result adds new anti frozen liquid or reconciles concentration.Meanwhile when solar water heater is initially installed, need to confirm anti frozen liquid
Concentration.Since solar water heater is mounted on roof, need manually to sample up, daily maintenance is inconvenient.
Summary of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
According to an aspect of the present invention, a kind of concentration detection apparatus is provided, in on-line checking solar water heater
Heat transferring medium in antifreeze concentration, the concentration detection apparatus includes: viscosity detector, be arranged in the solar heat
The pipeline for being used to convey the heat transferring medium of hydrophone, for detecting the viscosity of the heat transferring medium in the pipeline；Temperature passes
Sensor, suitable in the heat transferring medium that is arranged in the solar water heater, for detecting changing in the solar water heater
The temperature of thermal medium；With concentration calculation unit, the viscosity detected according to the viscosity detector and temperature sensor inspection
The concentration of antifreeze in heat transferring medium described in the temperature computation measured.
The embodiment of an exemplary according to the present invention, the antifreeze in heat transferring medium in the solar water heater
Concentration calculated according to following formula (1):
C=k*logY (1), wherein
C is the concentration of the antifreeze in heat transferring medium,
Y is the viscosity of heat transferring medium,
K is coefficient relevant to the temperature of heat transferring medium, and when the temperature of heat transferring medium determines, k is constant.
The embodiment of another exemplary according to the present invention, the concentration detection apparatus further includes display unit, described
Display unit and the concentration calculation unit communication, for showing calculated concentration.
The embodiment of another exemplary according to the present invention, the viscosity detector are oscillatory type viscosmeter, capillary
Formula viscosmeter or Rotary Viscosimeter.
The embodiment of another exemplary according to the present invention, the viscosity detector are oscillatory type viscosmeter, described glutinous
Spending detector includes: detection probe, is shaken suitable for being immersed into the heat transferring medium in solar water heater, including suitable for generating machinery
Dynamic elastic slice；Exciting unit is suitable for generating pulse excitation electric current, to motivate the elastic slice in the detection probe to generate mechanical vibration
It is dynamic；Amplitude detection units are adapted to detect for the amplitude of the elastic slice in the detection probe；With viscosity computing unit, it is suitable for according to institute
State the viscosity that the amplitude data that amplitude detection units detect calculates the heat transferring medium.
The embodiment of another exemplary according to the present invention, the temperature sensor are integrated into the viscosity detector
On, and can be immersed into the heat transferring medium in the solar water heater with the detection probe.
The embodiment of another exemplary according to the present invention, the viscosity detector are mounted to the solar water
On pipeline between the outlet of the entrance and heat exchanger of the heat collector of device.
According to another aspect of the present invention, a kind of concentration measurement and control device is provided, comprising: concentration detection apparatus is used for
Line detects the concentration of the antifreeze in the heat transferring medium in solar water heater；Concentration judging unit, for judge to detect
Whether concentration is within preset range；With concentration alarm unit, for determining the concentration that detects in the concentration judging unit
It is sounded an alarm when beyond the preset range.
According to another aspect of the present invention, a kind of solar water heater is provided, comprising: water tank, for accommodating water；With
Heat-exchanger rig, including the heat exchanger that the heat collector of outside is arranged in and is arranged in the water tank, the outlet of the heat collector
It is connected by pipeline with the entrance of the heat exchanger, the outlet of the heat exchanger passes through the entrance phase of pipeline and the heat collector
Even, to constitute a closed circulation loop, heat transferring medium, the solar water heater are filled in the circulation loop
It further include concentration detection apparatus, the concentration detection apparatus is for anti-in the heat transferring medium in on-line checking solar water heater
Freeze the concentration of agent.
The embodiment of an exemplary according to the present invention, the heat transferring medium in the solar water heater are ethylene glycol water
Solution, aqueous solution of propylene glycol or glycerin solution.
The embodiment of another exemplary according to the present invention, the solar water heater further include: concentration judging unit,
For judging the concentration detected whether within preset range；With concentration alarm unit, it is used in the concentration judging unit
It is sounded an alarm when determining the concentration detected beyond the preset range.
The embodiment of another exemplary according to the present invention, when the heat transferring medium in the solar water heater is second two
When alcohol solution, the reasonable concentration of the heat transferring medium in the solar water heater is within 30V%~60V%.
The embodiment of another exemplary according to the present invention, the heat collector are flat plate collector, the heat exchanger
To coil tube type heat exchangers.
The embodiment of another exemplary according to the present invention, the solar water heater further includes pump, for pumping
Heat transferring medium is stated, so that the heat transferring medium circulates in the circulation loop.
The embodiment of another exemplary according to the present invention, the water tank have inlet and outlet, it is described into
The mouth of a river is located at the lower part of the water tank, and the water outlet is located at the top of the water tank.
The embodiment of another exemplary according to the present invention, the solar water heater further include antifreeze supplement dress
It sets, the antifreeze supplementary device is lower than scheduled concentration suitable for the concentration of the antifreeze detected in the concentration detection apparatus
Antifreeze automatically is supplemented into the heat-exchanger rig when lower limit value, so that the concentration of the antifreeze in the heat-exchanger rig is restored
To within concentration range reasonable.
The embodiment of another exemplary according to the present invention, the antifreeze supplementary device includes: container, is stored with anti-
Freeze agent；Connecting line, by the reservoir to the heat-exchanger rig；First electrically-controlled valve is mounted on the connecting line, is used
In opening or closing the connecting line；And controller, suitable for the dense of the antifreeze that is detected according to the concentration detection apparatus
Degree controls the opening and closing of first electrically-controlled valve.When the concentration for the antifreeze that the concentration detection apparatus detects is lower than pre-
When fixed concentration limit value, the controller controls first electrically-controlled valve and opens, and controls first electrically-controlled valve to described
The antifreeze of predetermined amount is supplemented in heat-exchanger rig.
The embodiment of another exemplary according to the present invention, the controller is by controlling beating for first electrically-controlled valve
ETAD expected time of arrival and departure controls the amount of the antifreeze supplemented into the heat-exchanger rig.
The embodiment of another exemplary according to the present invention, the solar water heater further includes water replanishing device, described
Water replanishing device is suitable for automatic when the concentration for the antifreeze that the concentration detection apparatus detects is higher than scheduled upper limit of concentration value
Ground supplements tap water into the heat-exchanger rig, so that the concentration of the antifreeze in the heat-exchanger rig is restored to reasonable concentration model
Within enclosing.
The embodiment of another exemplary according to the present invention, the water replanishing device include: water pipe, by the heat exchange
Device is connected to water supply；Second electrically-controlled valve is mounted on the water pipe, is used to open or closes the water supply pipe
Road；And controller, the concentration of the antifreeze suitable for being detected according to the concentration detection apparatus control second electrically-controlled valve
It opens and closes；It is described when the concentration for the antifreeze that the concentration detection apparatus detects is higher than scheduled upper limit of concentration value
Controller controls second electrically-controlled valve and opens, and controls second electrically-controlled valve and supplement predetermined amount into the heat-exchanger rig
Tap water.
The embodiment of another exemplary according to the present invention, the controller is by controlling beating for second electrically-controlled valve
ETAD expected time of arrival and departure controls the amount of the tap water supplemented into the heat-exchanger rig.
In the embodiment for stating each exemplary before this invention, concentration detection apparatus is provided on solar water heater,
So as to the concentration of the antifreeze in the heat transferring medium in on-line checking solar water heater, so as to which heat exchange is monitored online
The concentration of antifreeze in medium exceeds preset range to prevent the concentration of the antifreeze in heat transferring medium.
By the description made for the present invention of below with reference to attached drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Detailed description of the invention
Fig. 1 shows the schematic diagram of the solar water heater of the embodiment of an exemplary according to the present invention；
Fig. 2 shows the schematic diagram of the viscosity detector of the embodiment of an exemplary according to the present invention；
Fig. 3 shows the concentration of antifreeze in heat transferring medium and the relationship between the viscosity of heat transferring medium.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
In addition, in the following detailed description, to elaborate many concrete details to provide to present disclosure convenient for explaining
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments without these specific details can also be with
It is carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
General technical design according to the present invention, provides a kind of concentration detection apparatus, is used for on-line checking solar energy
The concentration of the antifreeze in heat transferring medium in water heater, the concentration detection apparatus include: viscosity detector, are arranged described
The pipeline for being used to convey the heat transferring medium of solar water heater, for detecting the glutinous of the heat transferring medium in the pipeline
Degree；Temperature sensor, suitable in the heat transferring medium that is arranged in the solar water heater, for detecting the solar water
The temperature of heat transferring medium in device；With concentration calculation unit, the viscosity detected according to the viscosity detector and the temperature
The concentration of antifreeze in heat transferring medium described in the temperature computation that sensor detects.
Another general technical design according to the present invention, provides a kind of concentration measurement and control device, comprising: Concentration Testing dress
It sets, the concentration for the antifreeze in the heat transferring medium in on-line checking solar water heater；Concentration judging unit, for judging
Whether the concentration detected is within preset range；With concentration alarm unit, it is used to determine to detect in the concentration judging unit
To concentration exceed the preset range when sound an alarm.
Another general technical design according to the present invention, provides a kind of solar water heater, comprising: water tank is used for
Accommodate water；And heat-exchanger rig, including the heat exchanger that the heat collector of outside is arranged in and is arranged in the water tank, the thermal-arrest
The outlet of device is connected by pipeline with the entrance of the heat exchanger, and the outlet of the heat exchanger passes through pipeline and the heat collector
Entrance is connected, to constitute a closed circulation loop, heat transferring medium, the solar energy are filled in the circulation loop
Water heater further includes concentration detection apparatus, and the concentration detection apparatus is for the heat transferring medium in on-line checking solar water heater
In antifreeze concentration.
Fig. 1 shows the schematic diagram of the solar water heater of the embodiment of an exemplary according to the present invention.
As shown in Figure 1, in the illustrated embodiment, which specifically includes that water tank 200 and heat exchange dress
It sets.Water tank 200 is for accommodating water.Heat-exchanger rig includes that external heat collector 110 is arranged in and is arranged in water tank 200
Heat exchanger 120.The outlet of heat collector 110 is connected by pipeline with the entrance of heat exchanger 120, and the outlet of heat exchanger 120 passes through pipe
Road 140 is connected with the entrance of heat collector 110, so that a closed circulation loop is constituted, filled with heat exchange in circulation loop
Medium.The heat transferring medium heated by heat collector 110 flows into heat exchanger 120, and by heat exchanger 120 and water tank 200
Water carries out heat exchange, to heat the water in water tank 200.Heat transferring medium in water tank 200 water carry out heat exchange it
Afterwards, it again flows into heat collector 110 and is heated by heat collector 110.
Fig. 2 shows the schematic diagram of the viscosity detector of the embodiment of an exemplary according to the present invention.
As depicted in figs. 1 and 2, in the illustrated embodiment, which further includes concentration detection apparatus, this is dense
Spend concentration of the detection device for the antifreeze in the heat transferring medium 101 in on-line checking solar water heater.
As depicted in figs. 1 and 2, in the illustrated embodiment, the concentration detection apparatus specifically include that viscosity detector 10,
Temperature sensor (not shown) and concentration calculation unit (not shown).
As depicted in figs. 1 and 2, in the illustrated embodiment, being used for for solar water heater is arranged in viscosity detector 10
On the pipeline 140 of delivery heat transfer medium 101, for detecting the viscosity of the heat transferring medium 101 in pipeline 140.Temperature sensor is suitable
In the heat transferring medium 101 being arranged in solar water heater, for detecting the temperature of the heat transferring medium 101 in solar water heater
Degree.The temperature computation that the viscosity and temperature sensor that concentration calculation unit is suitable for being detected according to viscosity detector 10 detect is changed
The concentration of antifreeze in thermal medium 101.
The antifreeze in heat transferring medium 101 in the embodiment of an example of the present invention, in solar water heater
Concentration can be calculated according to following formula (1):
C=k*logY (1), wherein
C is the concentration of the antifreeze in heat transferring medium 101,
Y is the viscosity of heat transferring medium 101,
K is coefficient relevant to the temperature of heat transferring medium, and when the temperature of heat transferring medium determines, k is constant.
In the embodiment of an example of the present invention, concentration detection apparatus further includes display unit (not shown), should
Display unit and concentration calculation unit communication, for showing calculated concentration.
In the embodiment of an example of the present invention, as shown in Fig. 2, viscosity detector 10 is oscillatory type viscosmeter.
But the present invention is not limited to this, viscosity detector 10 can also be capillary type viscosmeter or Rotary Viscosimeter.
In the embodiment of an example of the present invention, as shown in Fig. 2, viscosity detector 10 specifically includes that detection is visited
First 11, exciting unit 12, amplitude detection units 13 and viscosity computing unit 14.
As shown in Fig. 2, in the heat transferring medium 101 that detection probe 11 is suitable for being immersed into solar water heater, detection probe
11 include the elastic slice (not shown) suitable for generating mechanical oscillation.Exciting unit 12 is suitable for generating pulse excitation electric current, to motivate inspection
Elastic slice on probing head 11 generates mechanical oscillation.Amplitude detection units 13 are adapted to detect for the vibration of the elastic slice in aforementioned detection probe 11
Width.The amplitude data that viscosity computing unit 14 is suitable for being detected according to amplitude detection units 13 calculates the viscosity of heat transferring medium 101.
In the embodiment of an example of the present invention, aforementioned temperature sensor can be integrated into viscosity detector 10
On, and can be immersed into the heat transferring medium 101 in solar water heater with detection probe 11.But the present invention does not limit to
In the embodiment of diagram, aforementioned temperature sensor can also be separately arranged in the heat transferring medium 101 in solar water heater.
In the embodiment of an example of the present invention, viscosity detector 10 is mounted to the thermal-arrest of solar water heater
On pipeline 140 between the outlet of the entrance and heat exchanger 120 of device 110.This is because the entrance and heat exchanger of heat collector 110
The temperature of the heat transferring medium 101 in pipeline 140 between 120 outlet is lower.
Fig. 3 shows the concentration of antifreeze in heat transferring medium and the relationship between the viscosity of heat transferring medium.
As shown in figure 3, in the illustrated embodiment, the heat transferring medium in solar water heater is glycol water, this
When, the reasonable concentration of the heat transferring medium in solar water heater is within 30V%~60V%.That is, changing in solar water heater
The concentration of thermal medium should be within the scope of 30V%~60V%, if exceeding the range, for example, in solar water heater
For the concentration of heat transferring medium lower than 30V% or when being higher than 60V%, the concentration measurement and control device being mounted on solar water heater can be timely
Alarm.
As shown in figure 3, in the illustrated embodiment, when one timing of temperature of the heat transferring medium in solar water heater, second
It is deposited between the logarithm of the concentration of ethylene glycol (antifreeze) in the viscosity and glycol water of two alcohol solutions (heat transferring medium)
In good linear relationship.
As shown in Figure 3, it can be seen that with the increase of the concentration of ethylene glycol, the viscosity of glycol water also correspondingly on
It rises.Therefore, when the temperature of the viscosity and glycol water that detect glycol water, so that it may be calculated according to Fig. 3
Corresponding glycol concentration.
The present invention is not limited in previous embodiment, and the heat transferring medium in solar water heater is in addition to that can be ethylene glycol water
Solution can also be other suitable anti frozen liquids, for example, aqueous solution of propylene glycol or glycerin solution.
In the embodiment of an example of the present invention, solar water heater further include: concentration judging unit, for sentencing
Whether the disconnected concentration detected is within preset range (aforementioned zone of reasonableness)；With concentration alarm unit, it is used to judge in concentration
Unit sounds an alarm when determining the concentration detected beyond preset range.
In the embodiment of an example of the present invention, as shown in Figure 1, heat collector 110 is flat plate collector, heat exchange
Device 120 is coiling tube type heat exchangers.
In the embodiment of an example of the present invention, as shown in Figure 1, solar water heater further includes pump 130, it is used for
Heat transferring medium is pumped, so that heat transferring medium circulates in circulation loop.
In the embodiment of an example of the present invention, as shown in Figure 1, water tank 200 has water inlet 210 and water outlet
Mouth 220, water inlet 210 is located at the lower part of water tank 200, and water outlet 220 is located at the top of water tank 200.
As shown in Figure 1, in the illustrated embodiment, solar water heater further include antifreeze supplementary device 300,310,
320, antifreeze supplementary device 300,310,320 is lower than scheduled suitable for the concentration of the antifreeze detected in concentration detection apparatus
Antifreeze is automatically supplemented into heat-exchanger rig when concentration limit value, so that the concentration of the antifreeze in heat-exchanger rig is restored to conjunction
It manages within concentration range.
As shown in Figure 1, in the illustrated embodiment, antifreeze supplementary device 300,310,320 specifically includes that container 300,
It is stored with antifreeze；Container 300 is connected to heat-exchanger rig by connecting line 310；First electrically-controlled valve 320, is mounted on connecting line
On 310, connecting line 310 is used to open or closed；And controller, suitable for the antifreeze that is detected according to concentration detection apparatus
Concentration controls the opening and closing of the first electrically-controlled valve 320.
As shown in Figure 1, in the illustrated embodiment, when the concentration for the antifreeze that concentration detection apparatus detects is lower than predetermined
Concentration limit value when, controller control the first electrically-controlled valve 320 open, and control the first electrically-controlled valve 320 mended into heat-exchanger rig
Fill the antifreeze of predetermined amount.
As shown in Figure 1, in the illustrated embodiment, controller is controlled by controlling the opening time of the first electrically-controlled valve 320
Make the amount of the antifreeze supplemented into heat-exchanger rig.
As shown in Figure 1, in the illustrated embodiment, solar water heater further includes water replanishing device 410,420, water replanishing device
410,420 are suitable for when the concentration for the antifreeze that concentration detection apparatus detects is higher than scheduled upper limit of concentration value automatically to changing
Tap water is supplemented in thermal, so that the concentration of the antifreeze in heat-exchanger rig is restored within concentration range reasonable.
As shown in Figure 1, in the illustrated embodiment, water replanishing device 410,420 specifically includes that water pipe 410, will exchange heat
Device is connected to water supply；Second electrically-controlled valve 420, is mounted on water pipe 410, is used to open or closes water pipe
410；And controller, the opening of the second electrically-controlled valve 420 is controlled suitable for the concentration of the antifreeze detected according to concentration detection apparatus
And closing.
As shown in Figure 1, in the illustrated embodiment, making a reservation for when the concentration for the antifreeze that concentration detection apparatus detects is higher than
Upper limit of concentration value when, controller control the second electrically-controlled valve 420 open, and control the second electrically-controlled valve 420 mended into heat-exchanger rig
Fill the tap water of predetermined amount.
As shown in Figure 1, in the illustrated embodiment, controller is controlled by controlling the opening time of the second electrically-controlled valve 420
Make the amount of the tap water supplemented into heat-exchanger rig.
In the embodiment of another exemplary of the invention, a kind of concentration measurement and control device, concentration measurement and control dress are also disclosed
Setting includes: concentration detection apparatus, the concentration for the antifreeze in the heat transferring medium 101 in on-line checking solar water heater；
Concentration judging unit, for judging the concentration detected whether within preset range；With concentration alarm unit, it is used in concentration
Judging unit sounds an alarm when determining the concentration detected beyond preset range.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this field
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of structure described in various embodiments
It can be freely combined in the case where prominent.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to preferred to the present invention
Embodiment illustrates, and should not be understood as to a kind of limitation of the invention.
Although some embodiments of this present general inventive concept have been shown and have illustrated, those of ordinary skill in the art will be managed
Solution can make a change these embodiments in the case where the principle and spirit without departing substantially from this present general inventive concept, of the invention
Range is limited with claim and their equivalent.
It should be noted that word " comprising " is not excluded for other element or steps, word "a" or "an" is not excluded for multiple.Separately
Outside, the range that any element label of claim should not be construed as limiting the invention.
Claims (21)
1. a kind of concentration detection apparatus, for the antifreeze in the heat transferring medium (101) in on-line checking solar water heater
Concentration, the concentration detection apparatus include:
The pipeline for being used to convey the heat transferring medium (101) of the solar water heater is arranged in viscosity detector (10)
(140) on, for detecting the viscosity of the heat transferring medium (101) in the pipeline (140)；
Temperature sensor, suitable in the heat transferring medium (101) that is arranged in the solar water heater, for detecting the sun
The temperature of heat transferring medium (101) in energy water heater；With
Concentration calculation unit, the temperature that the viscosity and the temperature sensor detected according to the viscosity detector (10) detects
Degree calculates the concentration of the antifreeze in the heat transferring medium (101).
2. concentration detection apparatus according to claim 1, it is characterised in that:
The concentration of the antifreeze in heat transferring medium (101) in the solar water heater is calculated according to following formula (1):
C=k*logY (1), wherein
C is the concentration of the antifreeze in heat transferring medium (101),
Y is the viscosity of heat transferring medium (101),
K is coefficient relevant to the temperature of heat transferring medium, and when the temperature of heat transferring medium determines, k is constant.
3. concentration detection apparatus according to claim 1, it is characterised in that:
The concentration detection apparatus further includes display unit, the display unit and the concentration calculation unit communication, for showing
Show calculated concentration.
4. concentration detection apparatus according to claim 1, it is characterised in that:
The viscosity detector (10) is oscillatory type viscosmeter, capillary type viscosmeter or Rotary Viscosimeter.
5. concentration detection apparatus according to claim 1, it is characterised in that:
The viscosity detector (10) is oscillatory type viscosmeter, and the viscosity detector (10) includes:
Detection probe (11) suitable in the heat transferring medium (101) that is immersed into solar water heater, including is suitable for generating mechanical vibration
Dynamic elastic slice；
Exciting unit (12) is suitable for generating pulse excitation electric current, mechanical to motivate the elastic slice on the detection probe (11) to generate
Vibration；
Amplitude detection units (13) are adapted to detect for the amplitude of the elastic slice on the detection probe (11)；With
Viscosity computing unit (14), the amplitude data for being suitable for being detected according to the amplitude detection units (13) calculate the heat exchange
The viscosity of medium (101).
6. concentration detection apparatus according to claim 5, it is characterised in that:
The temperature sensor is integrated on the viscosity detector (10), and can be submerged with the detection probe (11)
Into the heat transferring medium (101) in the solar water heater.
7. concentration detection apparatus according to claim 1, it is characterised in that:
The viscosity detector (10) is mounted to the entrance and heat exchanger of the heat collector (110) of the solar water heater
(120) on the pipeline (140) between outlet.
8. a kind of concentration measurement and control device characterized by comprising
Concentration detection apparatus, the concentration for the antifreeze in the heat transferring medium (101) in on-line checking solar water heater；
Concentration judging unit, for judging the concentration detected whether within preset range；With
Concentration alarm unit, for the sending when the concentration judging unit determines the concentration detected beyond the preset range
Alarm,
The concentration detection apparatus is concentration detection apparatus of any of claims 1-7.
9. a kind of solar water heater, comprising:
Water tank (200), for accommodating water；With
Heat-exchanger rig, including the heat exchanger of external heat collector (110) and setting in the water tank (200) is arranged in
(120),
The outlet of the heat collector (110) is connected by pipeline (140) with the entrance of the heat exchanger (120), the heat exchanger
(120) outlet is connected by pipeline with the entrance of the heat collector (110), to constitute a closed circulation loop, In
Heat transferring medium is filled in the circulation loop,
It is characterized by:
The solar water heater further includes concentration detection apparatus, and the concentration detection apparatus is used for on-line checking solar water
The concentration of the antifreeze in heat transferring medium in device,
The concentration detection apparatus is concentration detection apparatus of any of claims 1-7.
10. solar water heater according to claim 9, it is characterised in that:
Heat transferring medium in the solar water heater is glycol water, aqueous solution of propylene glycol or glycerin solution.
11. solar water heater according to claim 10, which is characterized in that the solar water heater further include:
Concentration judging unit, for judging the concentration detected whether within preset range；With
Concentration alarm unit, for the sending when the concentration judging unit determines the concentration detected beyond the preset range
Alarm.
12. solar water heater according to claim 11, it is characterised in that:
When the heat transferring medium in the solar water heater is glycol water, the heat exchange in the solar water heater is situated between
The reasonable concentration of matter is within 30V%~60V%.
13. solar water heater according to claim 9, it is characterised in that:
The heat collector (110) is flat plate collector, and the heat exchanger (120) is coiling tube type heat exchangers.
14. solar water heater according to claim 9, it is characterised in that:
The solar water heater further includes pump (130), for pumping the heat transferring medium, so that the heat transferring medium is described
It is circulated in circulation loop.
15. solar water heater according to claim 9, it is characterised in that:
The water tank (200) has water inlet (210) and water outlet (220), and the water inlet (210) is located at the water tank
(200) lower part, the water outlet (220) are located at the top of the water tank (200).
16. solar water heater according to claim 9, it is characterised in that:
The solar water heater further includes antifreeze supplementary device (300,310,320), the antifreeze supplementary device (300,
310,320) it is suitable for automatic when the concentration for the antifreeze that the concentration detection apparatus detects is lower than scheduled concentration limit value
Ground supplements antifreeze into the heat-exchanger rig, so that the concentration of the antifreeze in the heat-exchanger rig is restored to reasonable concentration model
Within enclosing.
17. solar water heater according to claim 16, which is characterized in that the antifreeze supplementary device (300,
310,320) include:
Container (300), is stored with antifreeze；
The container (300) is connected to the heat-exchanger rig by connecting line (310)；
First electrically-controlled valve (320) is mounted on the connecting line (310), is used to open or closes the connecting line
(310)；With
Controller, the concentration suitable for the antifreeze detected according to the concentration detection apparatus control first electrically-controlled valve
(320) opening and closing,
When the concentration for the antifreeze that the concentration detection apparatus detects is lower than scheduled concentration limit value, the controller control
It makes first electrically-controlled valve (320) to open, and controls in the first electrically-controlled valve (320) Xiang Suoshu heat-exchanger rig and supplement predetermined amount
Antifreeze.
18. solar water heater according to claim 17, it is characterised in that:
The controller is supplemented to control into the heat-exchanger rig by controlling the opening time of first electrically-controlled valve (320)
Antifreeze amount.
19. solar water heater according to claim 9, it is characterised in that:
The solar water heater further includes water replanishing device (410,420), and the water replanishing device (410,420) is suitable for described dense
The concentration for the antifreeze that degree detection device detects automatically is mended into the heat-exchanger rig when being higher than scheduled upper limit of concentration value
Tap water is filled, so that the concentration of the antifreeze in the heat-exchanger rig is restored within concentration range reasonable.
20. solar water heater according to claim 19, which is characterized in that the water replanishing device (410,420) includes:
The heat-exchanger rig is connected to water supply by water pipe (410)；
Second electrically-controlled valve (420) is mounted on the water pipe (410), is used to open or closes the water pipe
(410)；With
Controller, the concentration suitable for the antifreeze detected according to the concentration detection apparatus control second electrically-controlled valve
(420) opening and closing,
When the concentration for the antifreeze that the concentration detection apparatus detects is higher than scheduled upper limit of concentration value, the controller control
It makes second electrically-controlled valve (420) to open, and controls in the second electrically-controlled valve (420) Xiang Suoshu heat-exchanger rig and supplement predetermined amount
Tap water.
21. solar water heater according to claim 20, it is characterised in that:
The controller is supplemented to control into the heat-exchanger rig by controlling the opening time of second electrically-controlled valve (420)
Tap water amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495227.6A CN110514555A (en) | 2018-05-22 | 2018-05-22 | Concentration detection apparatus, concentration measurement and control device and solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810495227.6A CN110514555A (en) | 2018-05-22 | 2018-05-22 | Concentration detection apparatus, concentration measurement and control device and solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110514555A true CN110514555A (en) | 2019-11-29 |
Family
ID=68621712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495227.6A Pending CN110514555A (en) | 2018-05-22 | 2018-05-22 | Concentration detection apparatus, concentration measurement and control device and solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110514555A (en) |
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| CN101625165A (en) * | 2009-07-28 | 2010-01-13 | 王念孝 | Wall-hung solar water heater |
| CN103477046A (en) * | 2011-04-13 | 2013-12-25 | 丰田自动车株式会社 | Vehicle diagnostic device and vehicle diagnostic method |
| CN203551432U (en) * | 2013-11-08 | 2014-04-16 | 常州宝邦新能源材料有限公司 | Viscosity detection device for solar energy electronic paste |
| CN104685339A (en) * | 2012-09-26 | 2015-06-03 | 株式会社爱安德 | Method and device for measuring fluid body physical properties |
| CN206755448U (en) * | 2017-04-18 | 2017-12-15 | 江苏七彩建筑环境有限公司 | Antifreeze solution concentration balance device |
| CN206755447U (en) * | 2017-04-18 | 2017-12-15 | 江苏七彩建筑环境有限公司 | A kind of heat source tower heat pump system with antifreeze solution concentration balance device |
| CN208607112U (en) * | 2018-05-22 | 2019-03-15 | 泰科电子(上海)有限公司 | Concentration detection apparatus, concentration measurement and control device and solar water heater |
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2018
- 2018-05-22 CN CN201810495227.6A patent/CN110514555A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625165A (en) * | 2009-07-28 | 2010-01-13 | 王念孝 | Wall-hung solar water heater |
| CN103477046A (en) * | 2011-04-13 | 2013-12-25 | 丰田自动车株式会社 | Vehicle diagnostic device and vehicle diagnostic method |
| CN104685339A (en) * | 2012-09-26 | 2015-06-03 | 株式会社爱安德 | Method and device for measuring fluid body physical properties |
| CN203551432U (en) * | 2013-11-08 | 2014-04-16 | 常州宝邦新能源材料有限公司 | Viscosity detection device for solar energy electronic paste |
| CN206755448U (en) * | 2017-04-18 | 2017-12-15 | 江苏七彩建筑环境有限公司 | Antifreeze solution concentration balance device |
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