CN109540261A - Radiator high-frequency isolation measurement method digital water level meter - Google Patents
Radiator high-frequency isolation measurement method digital water level meter Download PDFInfo
- Publication number
- CN109540261A CN109540261A CN201811120063.5A CN201811120063A CN109540261A CN 109540261 A CN109540261 A CN 109540261A CN 201811120063 A CN201811120063 A CN 201811120063A CN 109540261 A CN109540261 A CN 109540261A
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- China
- Prior art keywords
- water level
- water
- signal
- radiator
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 206
- 238000002955 isolation Methods 0.000 title claims abstract description 10
- 238000000691 measurement method Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims 1
- 239000012141 concentrate Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
Abstract
Radiator high-frequency isolation measurement method digital water level meter, is related to radiator water level detecting.Equipped with water level sensor, water level converter, water level display and power supply；The water level sensor is located at the outer bottom of radiator, the input terminal of the output end water receiving bit pad of water level sensor, the output end of water level converter connects water level display, and water level display is set in driver's cabin, and power supply is connect with water level sensor, water level converter and water level display.The water level sensor is for generating high-frequency signal measurement.The water level converter is used to receive the monobus liquid level signal of water level sensor.The water level display is for receiving the data that water level converter is sent.It is very easy to use for driver, it allows driver to feel at ease to concentrate one's energy to drive, the water level conditions of concern water tank is removed without dispersing energy, effectively improve the safety of driving.Installation is simple, and use is very safe, saves plus water rate is used, easy to use, measurement is accurate.
Description
Technical field
The present invention relates to radiator water level detectings, more particularly, to radiator high-frequency isolation measurement method number water
Position meter.
Background technique
Large-sized truck needed when driving on hilly country or ramp frequently or for a long time brake, will cause brake rim (disk),
Brake-shoe temperature rises sharply, and wheel hub temperature is poly- to be increased, and eventually results in brake failure under violent high temperature and temperature is crossed up to makes to take turns
Air pressure is excessively high and occurs blowing out phenomenon and causing safety accident.Studies have shown that brake temperature is often in 300 DEG C or more, wink
Between can reach 600~700 DEG C.When temperature rises, coefficient of friction can be remarkably decreased friction facing in brake, cause to brake
Torque is remarkably decreased, this just forms the heat fading of brake efficiency, i.e. the constancy decline of brake efficiency.Heat fading is to brake at present
The inevitable phenomenon of device, so the temperature for effectively controlling wheel hub by scientific and reasonable means is to guarantee brake performance only
One method.
The generation of the above problem in order to prevent, the large-scale long-distance truck overwhelming majority of domestic operation is all in motor vehicle repair at present
Factory or refitting factory additionally install a set of leaching water control system, carry out watering cooling to automotive hub in due course, prevent brake failure.This is
The components such as main water tank, nozzle, water pipe, water valve or solenoid valve of uniting are constituted.And water tank mainly serves as water storage function, as automobile
Fuel tank is the same.Since water tank is the water storage device of whole system, either with or without water in water tank, how many is watering cooling system to water
Key factor, be each long-distance truck driver problem very deeply concerned, because this directly affects traffic safety.Due to water
There are two types of modes for case, and one is the gravity flow water tanks of open type, and water flow is pushed by water-head, and another way is vapour-pressure type
Water tank (the current overwhelming majority belongs to this mode), pushes water flow by air pressure, to how many water of water tank or water level known
It is how many, usually there is following several method:
1, a tap is installed on water tank, is stopped when needing to check water to open the fire hose and see if there is
Water outflow, and rule of thumb general water (or water level) is judged according to water flow size.
2, a glass with a scale or plastics linker are installed, the water level that can be immediately seen on glass tube after parking is high
Degree.
3, the water level in tank lid range estimation water tank can be directly opened for the gravity flow water tank of open type.
4, a multiple spot floating-ball type water level sensor, or the continuous level sensor of single floating ball can be installed in water tank
Device.
It must all be stopped and be checked with upper type, water (or the water in water tank can not be grasped in real time in driving procedure
Position) situation, and at all can not be accurate if it is pressure cistern (because water tank in order to guarantee air-tightness, is completely closed)
Judge water (water level) how many, this just gives the driving of numerous drivers to bring great inconvenience.
Chinese patent CN202101723U discloses a kind of electronic water level display unit for automobile spraying water tank, including spraying water tank,
It is characterized in that further including the detection bar being vertically arranged in spraying water tank, is equipped at least two level sensors in detection bar from top to bottom
Device, the water level sensor of bottom are located at the bottom of spraying water tank, an input terminal of each water level sensor with LED control chip
Connection, light emitting diode corresponding with water level sensor quantity are connect with an output end of LED control chip respectively, LED control
Coremaking piece is connected with power supply on vehicle, and all light emitting diodes and LED control chip are set in a mounting base.
Chinese patent CN205037941U discloses a kind of liquid water level detecting system and automobile for radiator, described
Liquid water level detecting system includes detector of liquid, signal processing module and wireless transmitter module arranged on the water tank, described
Signal processing module is separately connected the detector of liquid and wireless transmitter module, and the signal processing module will be by the liquid
The liquid water position status that detector obtains is transmitted to automotive interior by the wireless transmitter module and shows.
Chinese patent CN202641668U discloses a kind of motor vehicle braking system control device, including temperature collection circuit, water
The output signal of case water level detection circuit and single chip machine controlling circuit, the temperature collection circuit is successively passed through signal amplification circuit
A/D data converting circuit is transported to, the output signal of the A/D data converting circuit is sent to through single chip machine controlling circuit control
The output signal of GSM transceiver module circuit, the cistern water level detection circuit is sent to alarm through single chip machine controlling circuit control
Circuit, using the temperature of temperature sensor acquisition brake block, because need to discharge water cooling, if warm when brake-block temperature is excessively high
Spend it is low avoid water waste there is no need to the cooling that discharges water, and by single-chip microcontroller comprehensive descision, while reading cistern water level and brake block
Temperature signal sends reminding short message to specified driver by gsm module, reminds driver that should take if cistern water level is relatively low
Corresponding measure.
Chinese patent CN102506957A discloses a kind of liquid level detection display device, and Master control chip is separately connected AD sampling
Template, LCD display module, liquid level warning module and liquid level conversion module, the AD sample template connect water level sensor.
Chinese patent CN102928052A discloses a kind of automobile, including water level sensor, micro- place
Device and display screen are managed, wherein water level sensor is placed on the water tank water surface, the letter of the output signal end connection microprocessor of sensor
Number input terminal, the signal output end of microprocessor are connected with display screen.
Summary of the invention
It is an object of the invention to for existing measuring technique must on water tank the above problem existing for aperture, provide
Utilize the radiator high-frequency isolation measurement method number water of high-frequency vibration wave different spread speed characteristics in different media
Position meter.
The present invention is equipped with water level sensor, water level converter, water level display and power supply；The water level sensor is located at vapour
The outer bottom of vehicle water tank, the input terminal of the output end water receiving bit pad of water level sensor, the output end water receiving of water level converter
Position display, water level display are set in driver's cabin, and power supply is connect with water level sensor, water level converter and water level display.
The water level sensor drives piezoelectric ceramics for generating high-frequency signal measurement, using high-frequency signal in water with
The different characteristic of spread speed obtains water level value in air.Piezoelectric ceramics issues measurement pulse, then waits the reflection letter of the water surface
Number, a sending pulse is obtained after receiving signal and receives the two-way time of pulse, according to the propagation of high-frequency signal in water
Speed was multiplied to arrive the height value of water level with this 1/2 time.
The water level converter is used to receive the monobus liquid level signal of water level sensor, and carries out to liquid level signal corresponding
Decoding.When using wired solution, decoded data can be sent by the serial ports of single-chip microcontroller to RS485 transceiving chip
(SN75176) data input pin, RS485 transceiving chip convert input data into RS485 signal, are poor by RS485 signal
Sub-signal, to improve anti-interference ability and transmission range；When using wireless solution, decoded data can by with single-chip microcontroller
The wireless module of connection is sent, and equally has one piece of wireless module on the water level display of wireless solution, is come for receiving
From the wireless signal of water level converter.
The water level display verifies data, is legal for receiving the data that water level converter is sent
Property judgement, digital filtering and added up to valid data and calculate average value, water outlet is finally shown on water level display
Position height, percentage, level scale are to facilitate driver to understand the water amount information in water tank in real time.
The output end of the water level converter can be equipped with alarm.
Compared with prior art, the invention has the following outstanding advantages:
1, very easy to use for driver, it allows driver to feel at ease to concentrate one's energy to drive, goes to pay close attention to without dispersing energy
The water level conditions of water tank effectively improve the safety of driving.
2, installation is very simple, only need to install water tank outer bottom using elastic bands or spring, or in water tank outer bottom
Portion's spot welding fixed ear is screwed；
3, using very safe, because need to only be installed on the outer bottom of water tank, therefore the aperture on water tank do not needed, do not destroyed
The air-tightness of water tank, no gas leakage, seepy question, does not influence braking quality.Once because gas leakage automobile brake will be generated it is great
It influences, seriously affects traffic safety.
4, it saves plus water rate is used, lorry adds water to be paid service, spends yuan differ from 5 yuan to 15 every time, due to the present invention
The water level in water tank can be accurately measured in real time, and driver can accurately grasp and adds water opportunity, effectively save number of water and expense.
5, easy to use, water level display is placed in driver's cabin, and no matter driver can be in real time in driving or parking
It is accurate to grasp water situation, do not need parking heat water valve confirmation.
6, precisely, high-frequency vibration wave measurement can be accurate to the height of water level of 1mm for measurement.
Detailed description of the invention
Fig. 1 is the structure composition schematic diagram of the embodiment of the present invention.
Fig. 2 is the functional block diagram of the embodiment of the present invention.
Fig. 3 is the water level converter circuit schematic diagram of the embodiment of the present invention.
Fig. 4 is the water level display circuit diagram of the embodiment of the present invention.
Specific embodiment
Following embodiment will the present invention is further illustrated in conjunction with attached drawing.
Referring to Fig. 1 and 2, the embodiment of the present invention is equipped with water level sensor 1, water level converter 2, water level display 3 and power supply
4；The water level sensor 1 is located at the outer bottom of radiator A, the input of the output end water receiving bit pad 2 of water level sensor 1
End, the output end of water level converter 2 connect water level display 3, and water level display 3 is set in driver's cabin, power supply 4 and water level sensor
1, water level converter 2, water level display 3 connect.
The water level sensor 1 drives piezoelectric ceramics for generating high-frequency signal measurement, using high-frequency signal in water with
The different characteristic of spread speed obtains water level value in air.Piezoelectric ceramics issues measurement pulse, then waits the reflection letter of the water surface
Number, a sending pulse is obtained after receiving signal and receives the two-way time of pulse, according to the propagation of high-frequency signal in water
Speed was multiplied to arrive the height value of water level with this 1/2 time.
The water level converter 2 is used to receive the monobus liquid level signal of water level sensor 1, and carries out phase to liquid level signal
The decoding answered.When using wired solution, decoded data are sent by the serial ports of single-chip microcontroller to RS485 transceiving chip
(SN75176) data input pin, RS485 transceiving chip convert input data into RS485 signal, are poor by RS485 signal
Sub-signal, to improve anti-interference ability and transmission range；When using wireless solution, decoded data can by with single-chip microcontroller
The wireless module 5 of connection is sent, and equally has one piece of wireless module 5 on the water level display 3 of wireless solution, for receiving
Wireless signal from water level converter.The circuit diagram of the water level converter 2 is referring to Fig. 3.
The water level display 3 verifies data, is legal for receiving the data that water level converter is sent
Property judgement, digital filtering and added up to valid data and calculate average value, water outlet is finally shown on water level display
Position height, percentage, level scale are to facilitate driver to understand the water amount information in water tank in real time.The water level display
Circuit diagram referring to fig. 4.
The output end of the water level converter 2 is equipped with alarm 6.
Table 1
| Medium | Spread speed (m/s) | Remarks |
| Vacuum | 0 | It cannot propagate |
| Air | 340 | 15℃ |
| Air | 346 | 25℃ |
| Cork | 500 | |
| Kerosene | 1324 | 25℃ |
| Distilled water | 1497 | 25℃ |
| Seawater (25 DEG C) | 1531 | |
| Copper (stick) | 3750 | |
| Marble | 3810 | |
| Aluminium (stick) | 5000 | |
| Iron (stick) | 5200 |
The spread speed of sound in different media is shown in Table 1.
Claims (5)
1. radiator high-frequency isolation measurement method digital water level meter, it is characterised in that be equipped with water level sensor, water level is converted
Device, water level display and power supply；The water level sensor is located at the outer bottom of radiator, the output end water receiving of water level sensor
The input terminal of bit pad, the output end of water level converter connect water level display, and water level display is set in driver's cabin, power supply with
Water level sensor, water level converter are connected with water level display.
2. radiator as described in claim 1 high-frequency isolation measurement method digital water level meter, it is characterised in that the water level
Sensor drives piezoelectric ceramics for generating high-frequency signal measurement, using high-frequency signal in water with spread speed in air not
With characteristic obtain water level value, piezoelectric ceramics issues measurement pulse, then waits the reflection signal of the water surface, receives after signal to obtain the final product
Pulse is issued to one and receives the two-way time of pulse, according to the spread speed of high-frequency signal in water and this 1/2 time phase
Multiply to get the height value of water level is arrived.
3. radiator as described in claim 1 high-frequency isolation measurement method digital water level meter, it is characterised in that the water level
Converter is used to receive the monobus liquid level signal of water level sensor, and is decoded accordingly to liquid level signal, has when using
When line scheme, decoded data are sent by the serial ports of single-chip microcontroller to the data input pin of RS485 transceiving chip, RS485 transmitting-receiving
Chip converts input data into RS485 signal, is differential signal by RS485 signal, to improve anti-interference ability and transmission distance
From；When using wireless solution, decoded data are sent by the wireless module connecting with single-chip microcontroller, and wireless solution
Water level display on equally have one piece of wireless module, for receiving the wireless signal from water level converter.
4. radiator as described in claim 1 high-frequency isolation measurement method digital water level meter, it is characterised in that the water level
Display for receiving the data that water level converter is sent, and data are verified, validity judgement, digital filtering with
And added up to valid data and calculate average value, height of water level, percentage, water level are finally shown on water level display
Scale is to facilitate driver to understand the water amount information in water tank in real time.
5. radiator as described in claim 1 high-frequency isolation measurement method digital water level meter, it is characterised in that the water level
The output end of converter is equipped with alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120063.5A CN109540261A (en) | 2018-09-26 | 2018-09-26 | Radiator high-frequency isolation measurement method digital water level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811120063.5A CN109540261A (en) | 2018-09-26 | 2018-09-26 | Radiator high-frequency isolation measurement method digital water level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109540261A true CN109540261A (en) | 2019-03-29 |
Family
ID=65841188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811120063.5A Pending CN109540261A (en) | 2018-09-26 | 2018-09-26 | Radiator high-frequency isolation measurement method digital water level meter |
Country Status (1)
| Country | Link |
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| CN (1) | CN109540261A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02234723A (en) * | 1989-03-09 | 1990-09-17 | Hitachi Heating Appliance Co Ltd | Water boiler and discharge quantity display method thereof |
| CN2627471Y (en) * | 2003-08-07 | 2004-07-21 | 西安华舜测量设备有限责任公司 | External ultrasonic liquidometer |
| KR200421962Y1 (en) * | 2006-05-02 | 2006-07-20 | 이형우 | Ultrasonic water level sensor |
| CN202507862U (en) * | 2012-04-23 | 2012-10-31 | 杨帆 | Temperature automatic detecting controller for automobile hub |
| CN202557516U (en) * | 2012-03-22 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Automobile brake automatic cooling device |
| KR20130014706A (en) * | 2011-07-28 | 2013-02-08 | 주식회사 비컴전자 | System for detecting liquid level with an ultrasonic sensor |
| CN102928052A (en) * | 2012-11-28 | 2013-02-13 | 沈阳信达信息科技有限公司 | Device for detecting water level of water tank of automobile |
| CN202966290U (en) * | 2012-12-14 | 2013-06-05 | 长安大学 | Passenger car braking alarming device for preventing heat fade |
| KR101365110B1 (en) * | 2013-12-16 | 2014-02-20 | (주)리테크 | Ultrasonic water level measurement apparatus that can be controlled multi frequency band and water level control method using that |
| CN204086944U (en) * | 2014-07-08 | 2015-01-07 | 宁波安信数控技术有限公司 | A kind of analog quantity distance transmission system |
| CN105067082A (en) * | 2015-07-31 | 2015-11-18 | 广州华凌制冷设备有限公司 | Dehumidifier and water level detection method and device thereof |
| CN205037941U (en) * | 2015-04-29 | 2016-02-17 | 谢哲澜 | A liquid detection of water level system and car for radiator |
| CN206038965U (en) * | 2016-08-31 | 2017-03-22 | 江苏新创光电通信有限公司 | Embedded RS485 signal photoelectric conversion module |
| CN207790659U (en) * | 2017-12-21 | 2018-08-31 | 黄国新 | A kind of Intelligent spraying system of tire and brake disc |
| CN208780298U (en) * | 2018-09-26 | 2019-04-23 | 徐金波 | A kind of radiator high-frequency isolation measurement method digital water level meter |
-
2018
- 2018-09-26 CN CN201811120063.5A patent/CN109540261A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02234723A (en) * | 1989-03-09 | 1990-09-17 | Hitachi Heating Appliance Co Ltd | Water boiler and discharge quantity display method thereof |
| CN2627471Y (en) * | 2003-08-07 | 2004-07-21 | 西安华舜测量设备有限责任公司 | External ultrasonic liquidometer |
| KR200421962Y1 (en) * | 2006-05-02 | 2006-07-20 | 이형우 | Ultrasonic water level sensor |
| KR20130014706A (en) * | 2011-07-28 | 2013-02-08 | 주식회사 비컴전자 | System for detecting liquid level with an ultrasonic sensor |
| CN202557516U (en) * | 2012-03-22 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Automobile brake automatic cooling device |
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| CN102928052A (en) * | 2012-11-28 | 2013-02-13 | 沈阳信达信息科技有限公司 | Device for detecting water level of water tank of automobile |
| CN202966290U (en) * | 2012-12-14 | 2013-06-05 | 长安大学 | Passenger car braking alarming device for preventing heat fade |
| KR101365110B1 (en) * | 2013-12-16 | 2014-02-20 | (주)리테크 | Ultrasonic water level measurement apparatus that can be controlled multi frequency band and water level control method using that |
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