CN2540623Y - Probe of electronic water gage - Google Patents
Probe of electronic water gage Download PDFInfo
- Publication number
- CN2540623Y CN2540623Y CN 02214459 CN02214459U CN2540623Y CN 2540623 Y CN2540623 Y CN 2540623Y CN 02214459 CN02214459 CN 02214459 CN 02214459 U CN02214459 U CN 02214459U CN 2540623 Y CN2540623 Y CN 2540623Y
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- Prior art keywords
- integrated circuit
- water level
- permanent magnet
- chip
- resistor
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- Expired - Fee Related
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Abstract
The utility model relates to an electronic water level gauge probe, which comprises a probe body, a contact point element, wherein the contact point element is arranged in the probe body, the utility model has the advantages of the probe body is an insulating tube which lower end is closed, the contact point element is a tongue tube, a permanent magnet float is sleeved outside the insulating tube, the permanent magnet float is equipped with a ring permanent magnet, outside which an insulating shell is coated, and the weight of the permanent magnet float is smaller than the weight of the water with same volume. The utility model is further capable of being equipped with a water level display, which comprises an integrated circuit chip and a light-emitting diode, the integrated circuit chip is capable of enlarging different input signals and respectively outputting the signals, the light-emitting diode is used to display the different water levers. The utility model is further capable of being equipped with a temperature sensor and a temperature display which are arranged in a casing, and the temperature sensor is arranged on the lower end of an insulating tube. The utility model is capable of avoiding the effects of the scale to a contact point, thereby accurately outputting the water lever signals, the utility model is equipped with the display, the temperature sensor and a temperature display, simultaneously the utility model is capable of displaying the water lever and the water temperature in a solar storage water tank.
Description
Technical field
The utility model relates to a kind of device of surveying water level, specifically is a kind of electric water level gauge probe.
Background technology
Electric water level gauge is because of display and electric water level gauge probe separation, the water level that is widely used in solar storage water tank, large-sized boiler shows, existing electric water level gauge probe is contacted with the water surface by the contact of different water levels, with water is the display circuit composition loop of conductor and display, shows water level through amplifying by display.But use the time of some months, form incrustation scale in the contact, the contact of electric water level gauge probe can not normally contact, form very big resistance value between the contact, can not export water level signal exactly, cause display can not correctly show water level, even can't show, as probe as control device, will be out of hand.
Summary of the invention
In order to overcome existing electric water level gauge probe after generating incrustation scale, the contact can not contact can not correctly export the deficiency that water level signal causes demonstration to be forbidden, the utility model provides a kind of electric water level gauge probe, this probe is under the situation that generates incrustation scale, still can normally contact between the contact, correctly export water level signal, the display that is attached thereto shows water level exactly.
The utility model is to adopt the permanent magnet float that rises, descends with the water surface, utilize the magneticaction of permanent magnet to make the contact disconnect, contact, the permanent magnet that rises, descends makes and contacts with the corresponding contact of water level face and conduct electricity, the circuit connection of display is held high office and is shown water level, thereby reaches the effect that shows water level exactly.
The utility model comprises sonde body, some contact elements that is used to connect circuit, contact element is installed in sonde body from top to bottom, two lines of contact element are drawn from sonde body, it is characterized in that: said sonde body is the insulation tube of lower end closed, said contact element is a tongue tube, and the tongue tube shell seals two contacts; The insulation tube overcoat the permanent magnet float, the permanent magnet float has an annular permanent magnet, annular permanent magnet outsourcing insulation shell, the internal diameter of permanent magnet float is greater than the external diameter of insulation tube, between the inboard of permanent magnet float and the insulation tube outside, each side has the 3-8 mm clearance, is generally 5 mm clearance, and the weight of permanent magnet float is less than the weight of consubstantiality ponding.
For the ease of using, the utility model also is being provided with water level display, after water level display mainly contains and the input signal of different input pins can be amplified respectively by the integrated circuit (IC) chip of the output pin output of correspondence and light emitting diode and signal input wires terminal as the different water levels of demonstration, signal input wires terminal equates with the quantity of the light emitting diode that conduct shows, each signal input wires terminal is connected with a resistor, and be connected with the input pin of this integrated circuit (IC) chip, be connected between the output pin and public ground wire of this integrated circuit (IC) chip behind each light emitting diode and the resistor polyphone, each signal input wires terminal is connected with the lead-in wire of a tongue tube.
The utility model also is being provided with goes up water-level alarm and following water-level alarm circuit, last water-level alarm circuit is that the output pin of water level on above-mentioned integrated circuit (IC) chip shows connects a transistor amplifier, following water-level alarm circuit is that the output pin of water level under above-mentioned integrated circuit (IC) chip shows connects a transistor amplifier, and alarming horn is connected between the output terminal and positive source connection terminal of two transistor amplifiers.
In actual use, when showing water level, require to show the temperature of water, this electronics water-level probe is disposing temperature sensor and temperature indicator, temperature indicator and water level display are installed in the casing, temperature sensor is installed in the insulation tube lower end as sonde body, temperature indicator has one an input signal can be amplified the integrated circuit (IC) chip of back by different output pin output unlike signal values, one resistor be connected between the input pin and public ground wire of this integrated circuit (IC) chip after a capacitor is in parallel, during use, temperature sensor is connected between this input pin and positive terminal, two resistor devices and two pots are chained together and are connected between positive terminal and the public ground wire, with the positive source terminals is that second of starting point is pot with the 3rd, first resistor is connected with another input pin of this integrated circuit (IC) chip with first potentiometric tie point, and first potentiometric sliding contact also is connected with this input pin; First pot is connected with another input pin of this integrated circuit (IC) chip with second potentiometric tie point; Between the potentiometric tie point of first resistor and first and public ground wire, be connected a precision voltage regulator, the middle pin of precision voltage regulator i.e. first pin is connected second potentiometric sliding contact, and this sliding contact is connected the tie point of second pot and last resistor simultaneously; Be connected the some light emitting diodes that show different temperatures between some output pins of this integrated circuit (IC) chip and the positive source terminals.
The tongue tube that this electric water level gauge probe is taked the permanent magnet float and isolated with water can be avoided the influence of incrustation scale to the contact, exports water level signal exactly, and display just can correctly show water level.Temperature sensor and temperature indicator in the configuration can demonstrate the water temperature in the solar storage water tank simultaneously.
Description of drawings
Fig. 1 is the longitudinal sectional view of this electric water level gauge probe embodiments one.
Fig. 2 is the structural drawing of this electric water level gauge probe embodiments two.
Fig. 3 is the circuit diagram of water level display.
Fig. 3 is the structural drawing of this electric water level gauge probe embodiments three.
Fig. 4 is the water temperature display circuit.
Among the above-mentioned figure: 1, connector 2, tongue tube 3, insulation tube 4, tongue tube 5, permanent magnet float 6, tongue tube 7, tongue tube 8, lead-in wire 9, probe 10, annular permanent magnet 11, insulation shell 12, light emitting diode 13, power switch 14, alarm switch 15, light emitting diode 16, light emitting diode 17, light emitting diode 18, display casing 19, alarming horn 20, resistor 21, resistor 22, resistor 23, triode 24, resistor 25, resistor 26, triode 27, resistor 28, resistor 29, integrated circuit (IC) chip 30, resistor 31, resistor 32, resistor 33, resistor 34, input wires terminal 35 temperature sensors 36, light emitting diode 37, temperature display switch 38, connection terminal 39, connection terminal 40, resistor 41, precision voltage regulator 42, resistor 43, capacitor 44, pot 45, pot 46, resistor 47, resistor 48, integrated circuit (IC) chip 49, capacitor
Embodiment
In the electric water level gauge probe that Fig. 1 described, in insulation tube 3 as the lower end closed of sonde body, be installed with 4 from top to bottom as tongue tube 2, dry reed tube 4, tongue tube 6, the tongue tube 7 of connecting the circuit contact element, a lead-in wire of each tongue tube is also drawn from insulation tube 3 together, and four lines are drawn from insulation tube 3 as independently going between in addition.Permanent magnet float 5 at insulation tube 3 overcoats, permanent magnet float 5 has an annular permanent magnet 10, annular permanent magnet 10 outsourcing insulation shells 11, and the weight of permanent magnet float 5 is less than the weight of consubstantiality ponding, and permanent magnet float 5 can be kept afloat.The internal diameter of the permanent magnet float 5 of present embodiment is 30 millimeters, and the external diameter of insulation tube 3 is 20 millimeters.Be installed in the reserve tank by connector 1.
Embodiment two is provided with display on the basis of embodiment one, referring to Fig. 2, is connected logically between display casing 18 and the probe 9 with multicore lead-in wire 8, and the light emitting diode 12,17,16,15 of demonstration water level is installed in the front of display casing 18.Water level display circuit is made up of integrated circuit (IC) chip 29 and peripheral circuit, the circuit of display is referring to Fig. 3, the 2nd, 3,9,10 pins of integrated circuit (IC) chip 29 are connected with power switch 13, be connected with positive terminal through power switch 13,5th, 6,12,13 4 input pins are connected with four input wires terminals as are connected with input wires terminal 34, four resistors 30,31,32,33 are connected between four input wires terminals and the public ground wire, and four connection terminals are connected with four tongue tubes of probe 9.Be connected between integrated circuit (IC) chip 29 the 1st pin and the public ground wire behind light emitting diode 12 and resistor 24 polyphones, be connected between the 11st pin and the public ground wire behind light emitting diode 17 and resistor 22 polyphones, be connected between the 8th pin and the public ground wire behind light emitting diode 16 and resistor 25 polyphones, be connected between the 4th pin and the public ground wire behind resistor 28 and light emitting diode 15 polyphones.
Also have the water-level alarm circuit of going up and following water-level alarm circuit in the circuit among Fig. 3, last water-level alarm circuit is the 1st pin connection resistor 21 in integrated circuit (IC) chip 29, be connected through this resistor and as the base stage of the triode 23 that amplifies, following water-level alarm circuit is to connect resistor 27 at the 4th pin, be connected through this resistor and as the base stage of the triode 26 that amplifies, the collector of two triodes links together, and alarming horn 19 is connected between the collector of power switch 13 and two triodes.When permanent magnet float 5 is raised to the tongue tube 2 of expression peak level with waterborne in the reserve tank, the two contacts contact in the tongue tube 2, the water level display circuit conducting, light emitting diode 12 is luminous, and alarming horn 19 is reported to the police simultaneously.
Embodiment three of the present utility model is on the basis of the foregoing description two, configuration temperature sensor 35 and temperature indicator, temperature sensor 35 is installed in the lower end of insulation tube 3, temperature indicator and water level display are installed in the display casing 18 in the present embodiment, referring to Fig. 4, the light emitting diode 36 of ten displays temperatures is installed in the front of display 18.The circuit of temperature indicator is referring to Fig. 5, this circuit has an integrated circuit (IC) chip 48, be connected between the 5th input pin and public ground wire of integrated circuit (IC) chip 48 after resistor 40 and capacitor 43 are in parallel, during use, temperature sensor 35 is connected between the 5th input pin and the temperature display switch 37, be connected with positive terminal through temperature display switch 37, resistor 42, current potential gauge 44, current potential gauge 45, resistor 47 is cascaded, be connected between temperature display switch 37 and the public ground wire, resistor 42 is connected with the 6th input pin of integrated circuit (IC) chip 48 with the tie point of current potential gauge 44, the sliding contact of current potential gauge 44 is connected with the 6th pin, between the 6th pin and public ground wire, be connected precision voltage regulator 41, the middle pin of precision voltage regulator 41 is the sliding contact that first pin is connected current potential gauge 45, and this sliding contact is connected the tie point of current potential gauge 45 and resistor 47 simultaneously; Be connected ten light emitting diodes between ten output pins of integrated circuit (IC) chip 48 and the temperature display switch 37 as displays temperature, as being connected the light emitting diode 36 that shows 100 ℃ between the 10th pin and the temperature display switch 37, capacitor 49 is connected between temperature display switch 37 and the public ground wire.Positive terminal is connected with positive source through switch 36.
Operation instruction:
In the time of 0 ℃, regulate pot 45, make light emitting diode that the light emitting diode that shows 0 ℃ promptly is connected with the 1st pin of integrated circuit (IC) chip 48 be lower than 0 ℃ not luminous.
In the time of 100 ℃, regulate pot 44, make the light emitting diode 36 that shows 100 ℃ luminous.After the adjusting, the circuit of temperature indicator can show 0 ℃-100 ℃.
In the above embodiments:
The temperature sensor 35 model AD590 U.S.
As long as precision voltage regulator 41 model μ A431 are 431
Integrated circuit (IC) chip 29 model C D4066
Integrated circuit (IC) chip 48 model LM3914
Triode 23,26 models 9013
Claims (4)
1, electric water level gauge probe, it comprises sonde body, some contact elements that is used to connect circuit, contact element is installed in sonde body from top to bottom, two lines of contact element are drawn from sonde body, it is characterized in that: said sonde body is the insulation tube of lower end closed, said contact element is a tongue tube, and the tongue tube shell seals two contacts; The insulation tube overcoat the permanent magnet float, the permanent magnet float has an annular permanent magnet, annular permanent magnet outsourcing insulation shell, the internal diameter of permanent magnet float is greater than the external diameter of insulation tube, between the inboard of permanent magnet float and the insulation tube outside, each side has the 3-8 mm clearance, and the weight of permanent magnet float is less than the weight of consubstantiality ponding.
2, electric water level gauge probe according to claim 1, it is characterized in that: water level display also is being set, after water level display mainly contains and the input signal of different input pins can be amplified respectively by the integrated circuit (IC) chip of the output pin output of correspondence and light emitting diode and signal input wires terminal as the different water levels of demonstration, signal input wires terminal equates with the quantity of the light emitting diode that conduct shows, each signal input wires terminal is connected with a resistor, and be connected with the input pin of this integrated circuit (IC) chip, be connected between the output pin and public ground wire of this integrated circuit (IC) chip behind each light emitting diode and the resistor polyphone, each signal input wires terminal is connected with the lead-in wire of a tongue tube.
3, electric water level gauge probe according to claim 2, it is characterized in that: also be provided with and going up water-level alarm and following water-level alarm circuit, last water-level alarm circuit is that the output pin of water level on above-mentioned integrated circuit (IC) chip shows connects a transistor amplifier, following water-level alarm circuit is that the output pin of water level under above-mentioned integrated circuit (IC) chip shows connects a transistor amplifier, and alarming horn is connected between the output terminal and positive source connection terminal of two transistor amplifiers.
4, according to claim 2 or 3 described electric water level gauge probes, it is characterized in that: also disposing temperature sensor and temperature indicator, temperature indicator and water level display are installed in the casing, temperature sensor is installed in the insulation tube lower end as sonde body, temperature indicator has one an input signal can be amplified the integrated circuit (IC) chip of back by different output pin output unlike signal values, one resistor be connected between the input pin and public ground wire of this integrated circuit (IC) chip after a capacitor is in parallel, temperature sensor is connected between this input pin and positive terminal, two resistor devices and two pots are chained together and are connected between positive terminal and the public ground wire, with the positive source terminals is that second of starting point is pot with the 3rd, first resistor is connected with another input pin of this integrated circuit (IC) chip with first potentiometric tie point, and first potentiometric sliding contact also is connected with this input pin; First pot is connected with another input pin of this integrated circuit (IC) chip with second potentiometric tie point; Between the potentiometric tie point of first resistor and first and public ground wire, be connected a precision voltage regulator, the middle pin of precision voltage regulator is connected second potentiometric sliding contact, and this sliding contact is connected the tie point of second pot and last resistor simultaneously; Be connected the some light emitting diodes that show different temperatures between some output pins of this integrated circuit (IC) chip and the positive source terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214459 CN2540623Y (en) | 2002-05-10 | 2002-05-10 | Probe of electronic water gage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02214459 CN2540623Y (en) | 2002-05-10 | 2002-05-10 | Probe of electronic water gage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2540623Y true CN2540623Y (en) | 2003-03-19 |
Family
ID=33693786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02214459 Expired - Fee Related CN2540623Y (en) | 2002-05-10 | 2002-05-10 | Probe of electronic water gage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2540623Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175342A (en) * | 2010-12-22 | 2011-09-07 | 天津市华迈燃气技术发展有限公司 | Temperature sensing device with liquid level sensing function |
| CN102384777A (en) * | 2010-09-02 | 2012-03-21 | 上海正克电器有限公司 | Water level and temperature sensor for water heaters |
| CN106759668A (en) * | 2016-11-17 | 2017-05-31 | 成都宁水科技有限公司 | A kind of vacuum suppresses and air pressure monitoring device |
| CN108775947A (en) * | 2018-07-10 | 2018-11-09 | 广州广日电气设备有限公司 | Air conditioner for elevator drip tray level testing methods and system |
| CN113566491A (en) * | 2021-08-10 | 2021-10-29 | 青岛海尔电冰箱有限公司 | Water storage device and refrigerator |
-
2002
- 2002-05-10 CN CN 02214459 patent/CN2540623Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384777A (en) * | 2010-09-02 | 2012-03-21 | 上海正克电器有限公司 | Water level and temperature sensor for water heaters |
| CN102175342A (en) * | 2010-12-22 | 2011-09-07 | 天津市华迈燃气技术发展有限公司 | Temperature sensing device with liquid level sensing function |
| CN106759668A (en) * | 2016-11-17 | 2017-05-31 | 成都宁水科技有限公司 | A kind of vacuum suppresses and air pressure monitoring device |
| CN106759668B (en) * | 2016-11-17 | 2019-04-09 | 成都宁水科技有限公司 | A kind of vacuum inhibits and air pressure monitoring device |
| CN108775947A (en) * | 2018-07-10 | 2018-11-09 | 广州广日电气设备有限公司 | Air conditioner for elevator drip tray level testing methods and system |
| CN113566491A (en) * | 2021-08-10 | 2021-10-29 | 青岛海尔电冰箱有限公司 | Water storage device and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |