CN203479366U - Non-bearing type water level detection device for water tank of water heater - Google Patents
Non-bearing type water level detection device for water tank of water heater Download PDFInfo
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- CN203479366U CN203479366U CN201320583850.XU CN201320583850U CN203479366U CN 203479366 U CN203479366 U CN 203479366U CN 201320583850 U CN201320583850 U CN 201320583850U CN 203479366 U CN203479366 U CN 203479366U
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- water level
- bearing type
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- water tank
- connecting rod
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Abstract
For overcoming the shortcomings that an existing solar water heater water level sensor is not resistant to incrustation, the service life is short (1-3 years), gears are few and errors are large, the utility model provides a non-bearing type water level detection device for a water tank of a water heater. The non-bearing type water level detection device for the water tank of the water heater can not be influenced by the incrustation and can be directly inserted from the overflowing mouth of the water tank as a common water level sensor. A floater (1) drives a rotating shaft (11) at the top end of a connection rod to rotate a potentiometer (3) for outputting resistance analog quantity corresponding to the water level change so that a secondary instrument can display water level subsections with a high resolution, and the non-bearing type water level detection device can be exchanged and matched with the conventional secondary instrument with four-section display. The non-bearing type water level detection device is not influenced by the water quality and the incrustation, the service life of the non-bearing type water level detection device depends on the working life of the potentiometer, and the service life of the professional high-performance potentiometer can be long from 100 thousand times to 1 million times.
Description
Technical field
The utility model has related 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, and 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 electrode below the water surface, makes it to obtain different resistances and reflects height of water level, because electrode long-term work is in hot water, be subject to the enrichment of incrustation scale, electric conductivity is constantly declined, 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%.Separately have a kind of " condenser type " sensor, the electric capacity of utilizing the insulated conductor of metal hollow tube wall and centering to exist, changes with SEA LEVEL VARIATION, and resolution is higher, but the increase of adhering to along with incrustation scale changes electric capacity and makes scale misalignment.Also have a kind of control device measuring by water meter principle, owing to having increased the manufacturing cost of 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 water heater industry mainly with semi-manufacture, to be sold 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 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
In order to overcome current water level sensor for solar water heater, fear incrustation scale, serviceable life short (1-3), stepping is few, the defects such as error is large, the utility model will provide a kind of incrustation scale that is not subject to completely to affect, the same with 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, with the output resistance simulation amount corresponding with SEA LEVEL VARIATION, for secondary instrument high resolving power, show water level segmentation, more can be supporting with the exchange of the conventional secondary instrument of existing four sections of demonstrations.
Further optimize and be: float (1) and connecting rod (2) adopt filling-foam agent structure in thin-walled blank pipe.
For fractureing of preventing that temp probe lead-in wire from transferring repeatedly at turnover joint, adopt the moving brush plate (10) rotating with connecting rod and be fixed on fixed brush (9) contact and connection on 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, by axle (13) turnover, be convenient to packed and transported (accompanying drawing 5), reflexed connecting rod during installation, makes to reset to a complete connecting rod state, and spacing fixing by steady arm (14).
The beneficial effects of the utility model are: owing to being thoroughly no longer 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, with every water in the sky and water, calculate for each 1 time, can use continuously more than 200 years.
Especially apply this utility model 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 complete machine manufacturing cost, improve rate of thermal water utilization simultaneously, reduce auxiliary electrical heater measure, universal high residential building sun power utilization is had to huge impetus.
Accompanying drawing explanation
Accompanying drawing 1, the duty signal (dotted line is expressed as height, and solid line is expressed as 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 connecting rod top, to export the resistance value corresponding with water level, for secondary instrument high resolving power, show water level segmentation.
In accompanying drawing 1, pick-up unit inserts water tank from the gap pipe (7) of water tank (6), by drawing signal wire in potentiometer support (15) and lead-in wire stay pipe (4), connects the secondary instrument outside water tank.When water level is lower, self gravitation due to float (1), affect connecting rod (2) in hang, when water level changes, float motion affects 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 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, turn potentiometer.Advantage is succinct, and shortcoming is that low-water level error is slightly large.
In the embodiment of accompanying drawing 3,4, float (1) link is designed to float form simultaneously, and (it is in order to bring into play larger buoyancy that connecting rod is designed to 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, with SEA LEVEL VARIATION, do respective angles rotation, 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 turnover joint, adopt the moving brush plate (10) rotating with connecting rod and be fixed on fixed brush (9) contact and connection on potentiometer support.
For preventing that potentiometer (3) and electrical equipment from connecting inner immersion, in joint, be wrapped with can bending silicon rubber protective sleeve (8).
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, by axle (13) turnover, be convenient to packed and transported (accompanying drawing 5), reflexed connecting rod during installation, makes 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, with the output resistance simulation amount corresponding with SEA LEVEL VARIATION, for secondary instrument high resolving power, show water level segmentation, more can be supporting with the exchange of the conventional secondary instrument of existing four sections of demonstrations.
- 2. non-bearing type water tank for water heater condensate tank of dehumidifier according to claim 1, is characterized in that: float (1) and connecting rod (2) adopt filling-foam agent structure in 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 turnover joint, adopt the moving brush plate (10) rotating with connecting rod and be fixed on fixed brush (9) contact and connection on potentiometer support.
- 4. non-bearing type water tank for water heater condensate tank of dehumidifier according to claim 1, is characterized in that: 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.
- 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, by axle (13) turnover, be convenient to packed and transported, reflexed connecting rod during installation, makes 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 |
|---|---|---|---|
| CN201320583850.XU CN203479366U (en) | 2013-09-22 | 2013-09-22 | Non-bearing type water level detection device for water tank of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583850.XU CN203479366U (en) | 2013-09-22 | 2013-09-22 | Non-bearing type water level detection device for water tank of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479366U true CN203479366U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320583850.XU Expired - Fee Related CN203479366U (en) | 2013-09-22 | 2013-09-22 | Non-bearing type water level detection device for water tank of water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN203479366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495630A (en) * | 2020-11-26 | 2021-03-16 | 董会娟 | Material spraying device for surface of rectangular steel structure |
-
2013
- 2013-09-22 CN CN201320583850.XU patent/CN203479366U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495630A (en) * | 2020-11-26 | 2021-03-16 | 董会娟 | Material spraying device for surface of rectangular steel structure |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |