CN103438962A - Water level detection device for water tank of non-pressure-bearing water heater - Google Patents
Water level detection device for water tank of non-pressure-bearing water heater Download PDFInfo
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- CN103438962A CN103438962A CN2013104314925A CN201310431492A CN103438962A CN 103438962 A CN103438962 A CN 103438962A CN 2013104314925 A CN2013104314925 A CN 2013104314925A CN 201310431492 A CN201310431492 A CN 201310431492A CN 103438962 A CN103438962 A CN 103438962A
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- connecting rod
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000001514 detection method Methods 0.000 title abstract 6
- 230000007306 turnover Effects 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 230000004304 visual acuity Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000006260 foam Substances 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention relates to a water level detection device for a water tank of a non-pressure-bearing water heater, which aims to overcome the defects that a water level sensor of the current solar water heater is not free from water scale, short in service life (one to three years), fewer in levels, large in errors, and the like. The device is incapable of being influenced by the water scale and can be directly inserted from a water tank overflowing port like a common water level sensor. The water level detection device is characterized in that a floater (1) drives a rotating shaft (11) at the top end of a connecting rod to rotate a potentiometer (3) so as to output a resistance analog quantity corresponding to water level change, so that a secondary instrument can display water level sections with high resolution, and the water level detection device can be relatively well replaced and matched with the conventional secondary instrument with the current four-section display. The water level detection device is not influenced by water quality and water scale, the service life of the water level detection device is only determined by the service life of the potentiometer, and a professional high-performance potentiometer can be used 100 thousand to 1 million times.
Description
Technical field
The present invention relates to a kind of non-bearing type water tank for water heater (such as solar water heater, air-source water heater etc.) that is operated in, can detect in real time the pick-up unit that cistern water level changes.
Background technology
Solar water heater be take non-pressure water tank as many at present, and its water level detecting element, great majority adopt the electrode of being located at different water surface elevation series connection corresponding resistors, utilize the conductive characteristic of water, short circuit connects the following electrode of the water surface, makes it to obtain different resistances and reflects height of water level, due to the electrode long-term work in hot water, be subject to the enrichment of incrustation scale, electric conductivity is constantly descended, until lost efficacy.More be limited to the quantity of electrode and wire, show and also to only have 20%, 50%, 80% and more than 100% grades, error is very large.The most significantly, when water is full, show 100%, can just use seldom little water, the water surface has just left check point, shows and just becomes 80%.A kind of " condenser type " sensor is separately arranged, and the electric capacity of utilizing the insulated conductor of metal hollow tube wall and centering to exist, change with SEA LEVEL VARIATION, and resolution is higher, but the increase of adhering to along with incrustation scale changes electric capacity and makes the scale misalignment.Also have a kind of control device measured by the water meter principle, due to the manufacturing cost that has increased hot water gauge, make to be difficult to popularize.Up to now, also do not have water level detecting element and the solar water heater of a real energy long service supporting.Cause the water heater industry to be sold mainly with semi-manufacture greatly, water level prosecution instrument is supporting by the autonomous selection of user, has evaded water heater producer three guarantees responsibility.
In addition, balcony wall-hanging sun power and air-source water heater water tank are all Split pressure-bearing formula operations, its shortcoming is that the water tank manufacturing cost is high, in use procedure owing to constantly filling into cold water, cause heat utilization efficiency low, wish adopts non-bearing operation, still again without water level detecting technology application reliably.
Summary of the invention
Fear incrustation scale in order to overcome current water level sensor for solar water heater, serviceable life short (1-3), stepping is few, the defects such as error is large, the present invention will provide a kind of incrustation scale that is not subject to fully to affect, the same with the light water level sensor can be from the direct-insert non-bearing type water tank for water heater condensate tank of dehumidifier of water tank overflow mouth, it is rotating shaft (11) the turn potentiometer (3) by float (1) drivening rod top, to export the resistance simulation amount corresponding with SEA LEVEL VARIATION, show the water level segmentation for the secondary instrument high resolving power, more can be supporting with the exchange of the conventional secondary instrument that has four sections demonstrations now.
Further optimize and be: float (1) and connecting rod (2) adopt filling-foam agent structure in the thin-walled blank pipe.
For fractureing of preventing that temp probe lead-in wire from transferring repeatedly at the turnover joint, adopt the moving brush plate (10) rotated with connecting rod and be fixed on fixed brush (9) contact and connection on the potentiometer support.
For preventing that potentiometer (3) and electrical equipment from connecting inner immersion, in joint, being wrapped with can be with the silicon rubber protective sleeve (8) of connecting rod bending.
For convenience of packed and transported, small end is designed to roll over movable, is divided into connecting rod (2) and pole (12) two joints, be convenient to packed and transported (accompanying drawing 5) by axle (13) turnover, reflexed connecting rod during installation, make to reset to a complete connecting rod state, and spacing fixing by steady arm (14).
The invention has the beneficial effects as follows: owing to thoroughly no longer being subject to the impact of water quality and incrustation scale, only depend on the mission life of potentiometer its serviceable life, and the mission life of professional High-property potentiometer can reach 100,000 to 1,000,000 times, calculate for each 1 time with every water in the sky and water, can use continuously more than 200 years.
Especially apply this invention in conjunction with non-pressure water tank, replace the press-bearing water tank that air energy and balcony wall-hanging water heater are used, can significantly reduce the complete machine manufacturing cost, improve rate of thermal water utilization simultaneously, reduce the auxiliary electrical heater measure, universal high residential building sun power utilization is had to huge impetus.
The accompanying drawing explanation
Accompanying drawing 1, the duty signal (dotted line is expressed as height, and solid line is expressed as the low-water level duty) of condensate tank of dehumidifier.
Accompanying drawing 2 is the float embodiment of connecting rod integral structure that holds concurrently.
Accompanying drawing 3 is preferred embodiment
Accompanying drawing 4, (A) joint part details area enlarged drawing.
Accompanying drawing 5 is the folded state under packed and transported.
Embodiment
In non-pressure water-heater water tank, with float (1) the chain connective pole (2) of water surface floating, drive rotating shaft (11) the turn potentiometer (3) on the connecting rod top, to export the resistance value corresponding with water level, for the secondary instrument high resolving power, show the water level segmentation.
In accompanying drawing 1, pick-up unit inserts water tank from the gap pipe (7) of water tank (6), by potentiometer support (15) and lead-in wire stay pipe (4), drawing signal wire, connects the outer secondary instrument of water tank.When water level is low, self gravitation due to float (1), affect connecting rod (2) in hang, when water level changes, the float motion affects the connecting rod Angulation changes, take rotating shaft (11) and potentiometer shaft as fulcrum rotation, turn potentiometer, make the displacement that rotates of potentiometer brush on the resistance diaphragm, reach the output resistance value corresponding with water level; Temp probe sensor (5) is independent appurtenances, can transmit temperature signal simultaneously.
In the embodiment of accompanying drawing 2, a long float doubles as the effect of connecting rod, the turn potentiometer.Advantage is succinct, and shortcoming is that the low-water level error is slightly large.
In the embodiment of accompanying drawing 3,4, float (1) link is designed to the float form simultaneously, and (it is in order to bring into play larger buoyancy that connecting rod is designed to the float form simultaneously, can effectively guarantee after using for many years, the incrustation scale of concentrating is unlikely to affect buoyancy and causes precision to change) connecting rod (2), and to take rotating shaft (11) and potentiometer (3) axle of connecting-rod head be fulcrum, do respective angles rotation with SEA LEVEL VARIATION, to change potentiometer resistance and to draw from potentiometer support (15) and lead-in wire stay pipe (4) together with the wire of wire and attached temp probe (5).
For fractureing of preventing that temp probe lead-in wire from transferring repeatedly at the turnover joint, adopt the moving brush plate (10) rotated with connecting rod and be fixed on fixed brush (9) contact and connection on the potentiometer support.
For preventing that potentiometer (3) and electrical equipment from connecting inner immersion, but be wrapped with the silicon rubber protective sleeve (8) of bending in joint.
For convenience of packed and transported, small end is designed to roll over movable, is divided into connecting rod (2) and pole (12) two joints, be convenient to packed and transported (accompanying drawing 5) by axle (13) turnover, reflexed connecting rod during installation, make to reset to a complete connecting rod state, and spacing fixing by steady arm (14).
Claims (5)
- One kind can be from the direct-insert non-bearing type water tank for water heater condensate tank of dehumidifier of water tank overflow mouth, it is characterized in that: by rotating shaft (11) the turn potentiometer (3) on float (1) drivening rod top, to export the resistance simulation amount corresponding with SEA LEVEL VARIATION, show the water level segmentation for the secondary instrument high resolving power, more can be supporting with the exchange of the conventional secondary instrument that has four sections demonstrations now.
- 2. non-bearing type water tank for water heater condensate tank of dehumidifier according to claim 1, is characterized in that: filling-foam agent structure in float (1) and connecting rod (2) employing thin-walled blank pipe.
- 3. non-bearing type water tank for water heater condensate tank of dehumidifier according to claim 1, it is characterized in that: for fractureing of preventing that temp probe lead-in wire from transferring repeatedly at the turnover joint, adopt the moving brush plate (10) rotated with connecting rod and be fixed on fixed brush (9) contact and connection on the potentiometer support.
- 4. non-bearing type water tank for water heater condensate tank of dehumidifier according to claim 1 is characterized in that: connect inner immersion for preventing potentiometer (3) and electrical equipment, in joint, being wrapped with can be with the silicon rubber protective sleeve (8) of connecting rod bending.
- 5. non-bearing type water tank for water heater condensate tank of dehumidifier according to claim 1, it is characterized in that: for convenience of packed and transported, small end is designed to roll over movable, be divided into connecting rod (2) and pole (12) two joints, be convenient to packed and transported by axle (13) turnover, reflexed connecting rod during installation, make to reset to a complete connecting rod state, and spacing fixing by steady arm (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104314925A CN103438962A (en) | 2013-09-22 | 2013-09-22 | Water level detection device for water tank of non-pressure-bearing water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104314925A CN103438962A (en) | 2013-09-22 | 2013-09-22 | Water level detection device for water tank of non-pressure-bearing water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103438962A true CN103438962A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104314925A Pending CN103438962A (en) | 2013-09-22 | 2013-09-22 | Water level detection device for water tank of non-pressure-bearing water heater |
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| CN (1) | CN103438962A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588831A (en) * | 2017-09-30 | 2018-01-16 | 邓炳鸿 | A kind of level detecting device and water heater |
| CN110108335A (en) * | 2019-03-22 | 2019-08-09 | 深圳绿米联创科技有限公司 | Level measuring method, liquid level emasuring device, liquid level detector and storage medium |
-
2013
- 2013-09-22 CN CN2013104314925A patent/CN103438962A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588831A (en) * | 2017-09-30 | 2018-01-16 | 邓炳鸿 | A kind of level detecting device and water heater |
| CN110108335A (en) * | 2019-03-22 | 2019-08-09 | 深圳绿米联创科技有限公司 | Level measuring method, liquid level emasuring device, liquid level detector and storage medium |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |