CN202195854U - Water level detector for brake water spraying tank - Google Patents
Water level detector for brake water spraying tank Download PDFInfo
- Publication number
- CN202195854U CN202195854U CN2011203371857U CN201120337185U CN202195854U CN 202195854 U CN202195854 U CN 202195854U CN 2011203371857 U CN2011203371857 U CN 2011203371857U CN 201120337185 U CN201120337185 U CN 201120337185U CN 202195854 U CN202195854 U CN 202195854U
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- water
- brake
- water tank
- pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000005507 spraying Methods 0.000 title 1
- 238000009434 installation Methods 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 230000006698 induction Effects 0.000 claims description 36
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 239000004020 conductor Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 206010039203 Road traffic accident Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 239000007921 spray Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a brake trickle water tank water level detector, include and stretch into the water level pipe in it from the water tank upper end, the water level pipe passes fixing device and is fixed in the water tank through fixing device, be equipped with water level collection system in the water level pipe, water level collection system passing signal line links to each other with the display that sets up the outer tape control circuit of water tank. The utility model discloses simple structure, installation easy maintenance, long service life can audio-visual display drenching water tank water level, alleviates driver's intensity of labour, reduces the traffic accident because of the manual operation reason causes.
Description
Technical field
The utility model relates to a kind of pick-up unit, especially a kind of brake trickle cistern water level detecting device.
Background technology
Data statistics shows that brake failure is one of major reason of lorry occurrence of traffic accident.The heavy goods vehicle of China generally adopts drum type braking device, and the heat dispersion of this brake gear is relatively poor, occurs owing to the overheated brake failure situation that causes easily.Existing general way is to the brake hubs spray cooling, protection brake nave boss and the serviceable life that prolongs brake block.In the process that reality is used, the driver judges the water surplus of the water tank that is used to store chilled water, this inaccurate artificial estimation entirely with the experience of oneself; The labour intensity and the mental burden of human pilot have not only been increased the weight of; The more important thing is that the water that is easy to cause in the water tank is exhausted, can not in time spray water, thereby cause brake block overheated and burn out; Cause traffic hazard, cause any property loss and human casualty accident.
Existing braking automobile trickle cistern water level sensor, cost is higher, and the life-span is shorter, and complex structure is difficult to accepted by the general wagon car owner.Generally need be installed in the inwall of water tank; Perhaps change the structure of water tank itself, installation steps are complicated, add the level sensor difficulty after the water tank moulding; Change and safeguard there is not actual investigation scene; The scheme that provides can't be used for reality, and the complex installation step has not only improved the cost of installing, and has reduced the reliability of system.And existing sensors adopts electric pole type, time to grow can to get rusty mostly, and serviceable life is shorter, promptly needs about half a year at most to change, and has expended lot of manpower and material resources, does not obtain good effect.
Chinese patent CN201885774U discloses a kind of braking automobile water drenching device water level intelligent sound monitor; It is employed on the brake trickle water tank a plurality of liquid level sensors is set; These a plurality of photoelectric liquid level sensors are connected with control circuit, and control circuit mainly is made up of voice module, relay and loudspeaker.The innovative point of this patent is to have added phonetic function, and sensor is the TS type photoelectric liquid level sensor that adopts existing commercialization, and this sensor cost is high; Need on water tank, beat at least three holes during installation, prevent drain process again, very complicacy is installed, not too practical, and also for pressure water tank, anti-drain electrode difficulty is accomplished, is impossible mission basically.
Summary of the invention
The purpose of the utility model is for overcoming the deficiency of above-mentioned prior art; A kind of brake trickle cistern water level detecting device is provided, its simple structure, installation and maintenance are convenient; Long service life; Can intuitively show trickle water tank middle water level, alleviate driver's labour intensity, reduce traffic hazard former because of manual operation thereby that cause.
For realizing above-mentioned purpose, the utility model adopts following technical proposals:
A kind of brake trickle cistern water level detecting device; Comprise from the water tank upper end and extend into the water level pipe in it; Water level pipe passes stationary installation and is fixed in the water tank through stationary installation; Be provided with the water level acquisition device in the said water level pipe, said water level acquisition device links to each other through the display of the signal wire band control circuit outer with being arranged at water tank.
Said water level pipe comprises outer tube, is with induction tube in the outer tube, is provided with some water level acquisition devices in the induction tube from down to up, and each water level acquisition device all links to each other through the display that signal wire passes the outer band control circuit of induction tube and outer tube and water tank; Said outer tube upper end and stationary installation bonding connection.
Said induction tube and outer tube are through closing-up.
Said water level acquisition device adopts inactive, conductive material to be prepared from for induction terminal, said induction terminal.It is DJ4311-4.2A that the induction terminal can adopt model, electroplate, and manufacturer is that new appliance company limited is made every effort to open up in Zhejiang.
Said stationary installation comprises elbow; One end inside of said elbow is bonded with plug; Plug is provided with the aviation plug that links to each other with said signal wire, and elbow other end inwall is provided with screw thread, and this end links to each other with iron pipe through screw thread; The inner iron pipe upper end of joint of elbow is provided with joint, said joint and the said outer tube upper end of passing iron pipe is cohered.
Said to the joint diameter greater than the iron pipe diameter.
The water level pipe of the utility model inserts in the tank water through stationary installation, and accomplishes fixing through stationary installation.Water level pipe collects water level information, and through the control circuit of signal wire transmits in the display, control circuit shows the information of water level through the LED lamp.With the situation of water levels in four LED lamps indication water tank, from bottom to up four lamps light represent successively water tank 1/4,1/2,3/4, there is water at the full-water level place.When the caution water level was following, the red light of alarm lack of water was lighted at water level, reminded the user to add water.The height of real-time demonstration water level.
What play a major role when measuring cistern water level is the induction terminal, descends to and is followed successively by ground wire, 1/4 water level, 1/2 water level, 3/4 water level, full-water level.Adopt the electric resistance partial pressure principle, as shown in Figure 3, when ground wire and any waterline immersed in the water simultaneously, water just was equivalent to resistance, and two electric resistance partial pressures are exported a relatively low signal; When only there being ground wire to immerse in the water, when having no a waterline to immerse in the water, be equivalent to change the water among Fig. 3 into air because the resistance of air is very big, with the divider resistance dividing potential drop, output will be a relative higher signal.Select suitable divider resistance resistance, obtain satisfactory high-low level signal.
In experimentation, find to exist the problem of electrolysis, the electrode slice of waterline is by electrolytic corrosion, and the durability of product has been produced very big influence.Address this problem to mainly contain and improve electrode voltage, adopt methods such as inactive, conductive material, wherein, the method for improving electrode voltage has two kinds again, and the one, reduce the voltage at electrode two ends, the 2nd, adopt alternating voltage, and the mean value of control alternating voltage is zero.The utility model has adopted simple technical scheme, reduces the voltage (low level signal when ground wire and waterline immerse in the water simultaneously) at electrode two ends, adopts the induction terminal of inactive, conductive material simultaneously, delays the corrosion that electrolysis causes.Finally, confirmed the resistance of divider resistance, at this moment, the output signal when the waterline electrode has water is greatly about 0.8V, and the output signal when not having water is greatly about 21.5V, the compliance with system designing requirement.
The utility model has adopted special structure design, can fix and protect the induction terminal of level measuring, and the user can install easily.As shown in Figure 2, signal wire links to each other with the external world through the aviation plug that is installed on the plug, can guarantee waterproof, and under the prerequisite that fixedly secures, convenient plug is changed.Plug and elbow are bonding through interior pipe, and there is silk the lower end of elbow, size and threaded iron pipe tight engagement.Waterline and ground wire pass from electrode tube, locate from the induction tube cinclides, to pass and fixing to correspondence position (at the bottom of the case, 1/4,1/2,3/4, full).Outer tube upper end with than slightly thick bonding of threaded iron pipe to saving, in this way, outer tube is fixed among the iron pipe, can not rock landing.Induction tube penetrates among the outer tube, rocks the impulsive force of bringing to water in the water tank, and the pressure-bearing of outer tube can play effective protection to induction tube, and induction tube and outer tube are through closing-up.The user only needs to make a call to a hole in the centre position of water tank when mounted, and with in the threaded iron pipe welding, the insertion water level pipe is screwed and got final product then.Compared with similar products, installation is very convenient.
The display part (like Fig. 4) of the utility model mainly is made up of comparator circuit and display circuit.Comparer adopts No. four general comparators, and the voltage that water level pipe collects is compared with reference voltage (5V), and theory is output as VCC (24V) or GND (0V).In the process that reality is used, there are reasons such as leakage current owing to comparer, can not reach desirable output valve, but the error that exists is not sufficient to make the circuit of rear end to produce misoperation.
When the relatively output when four tunnel all is high level (electrode of waterline does not all immerse in the water), network label level-x (x=1,2 among the last figure; 3,4) locate to be high level, green light two terminal potentials among the last figure equate; Not luminous; In like manner, diode D2, D3, D4, D5 end, and red LED is lighted.When in four the tunnel any one the tunnel when being output as low level (electrode of this road waterline immerses in the water), all conductings of the green LED on corresponding road and diode, this road green LED is luminous, and diode is with the red LED short circuit, and red LED is extinguished.Arbitrarily one or more is output as low level because the existence of diode can't exert an influence to other comparator signal of exporting high level, therefore, between each road effect separate, be independent of each other.
The utility model has solved difficult installation, cost is higher, the life-span is a short difficult problem, and during installations simple in structure, only needs make a call to hole in the centre position of water tank, and with in the threaded iron pipe welding, the insertion water level pipe is screwed and got final product then.Adopted some erosion-resisting technology, can continuous working in water tank more than 1 year.And when repair and replacement, water level pipe screwed off get final product, compared with similar products, installation and maintenance are very convenient.Really realized little cost, powerful.This product can show the height of cistern water level automatically, makes the driver know the water level situation in the water tank in real time, can avoid exhausted because of not knowing tank water, and the brake nave boss can not get chilled water and the traffic hazard of the too high brake failure initiation that causes of temperature; Driver's energy is concentrated, and whether chilled water is sufficient in the water tank that needn't be in constant fear of, and alleviates driver's labour intensity, reduces traffic hazard former because of manual operation thereby that cause.This product can be applicable to install the brake spray equipment large and medium-sized truck and coach, bus (all can by Dan Qiao, many bridges; Normal pressure, pressurization all can), and this product is installed can be to the original water spray of automobile (spray) system and any negative effect of device generation.
The utlity model has following beneficial effect:
1. control circuit adopts integrated circuit commonly used, function-stable, and antijamming capability is strong, and the simplest method of utilization solves complicated problems.
2. Sensor section (water level acquisition device) and control circuit adopt switching signal to communicate by letter, communication stable high, and antijamming capability promotes greatly.
3. Sensor section can be according to the specification flexible design of user's water tank, and structure shows unique characteristics, and is easy for installation.Adopt simple electric resistance partial pressure mode, respond to terminal respectively at different water levels, the variation of sensed water level timely and accurately, and be presented in real time on the control enclosure display.
4. sensing switch amount output can be interconnected through level conversion and other control system, and the versatility of sensor strengthens greatly.
5. display adopts the LED of Gao Liang to show, the user is come into plain view to the water level of water tank.
6. have water level and cross low warning function, guarantee brake system safety and stability reliability service.
Description of drawings
Fig. 1 is the utility model system architecture synoptic diagram;
Fig. 2 is the utility model water level pipe and fixture structure synoptic diagram;
Fig. 3 is the electric resistance partial pressure schematic diagram;
Fig. 4 is a display circuit;
1. water tanks wherein, 2. water level pipe, 3. stationary installation, 4. signal wire, 5. display, 6. outer tube, 7. induction tube, 8. induction terminal, 9. iron pipe, 10. plug, 11. aviation plugs, 12. elbows, 13 pairs of joints, 14. divider resistances, 15. water, 16. output signals.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Shown in Fig. 1-4; A kind of brake trickle cistern water level detecting device; Comprise from water tank 1 upper end and extend into the water level pipe 2 in it; Water level pipe 2 passes stationary installation 3 and is fixed in the water tank 1 through stationary installation 3, is provided with the water level acquisition device in the said water level pipe 2, and said water level acquisition device links to each other through the display 5 of the signal wire 4 band control circuit outer with being arranged at water tank.
Said water level pipe 2 comprises outer tube 6; Be with induction tube 7 in the outer tube 6; Be provided with five water level acquisition devices in the induction tube 7 from down to up, each water level acquisition device all links to each other through the display 5 that signal wire 4 passes the outer band control circuit of induction tube 7 and outer tube 6 and water tank; Said outer tube 6 upper ends and stationary installation 3 bonding connections.
Said induction tube 7 and outer tube 6 are through closing-up.
Said water level acquisition device is induction terminal 8.Said induction terminal 8 adopts inactive, conductive material to be prepared from.It is DJ4311-4.2A that induction terminal 8 can adopt model, electroplate, and manufacturer is that new appliance company limited is made every effort to open up in Zhejiang.
Said stationary installation comprises elbow 12; One end inside of said elbow 12 is bonded with plug 10; Plug 10 is provided with the aviation plug 11 that links to each other with said signal wire 4, and elbow 12 other end inwalls are provided with screw thread, and this end links to each other with iron pipe 9 through screw thread; The inner iron pipe upper end of joint of elbow 12 are provided with saving 13, saidly cohere with said outer tube 6 upper ends of passing iron pipe 9 saving 13.
Said to saving 13 diameter greater than iron pipe 9 diameters.
The water level pipe 2 of the utility model inserts in water tank 1 water through stationary installation 3, and accomplishes fixing through stationary installation 3.Water level pipe 2 collects water level information, is transferred to the control circuit in the display 5 through signal wire 4, and control circuit shows the information of water level through the LED lamp.With the situation of water levels in four LED lamps indication water tank, from bottom to up four lamps light represent successively water tank 1/4,1/2,3/4, there is water at the full-water level place.When the caution water level was following, the red light of alarm lack of water was lighted at water level, reminded the user to add water.The height of real-time demonstration water level.
What play a major role when measuring cistern water level is induction terminal 8, descends to and is followed successively by ground wire, 1/4 water level, 1/2 water level, 3/4 water level, full-water level.Adopt the electric resistance partial pressure principle, as shown in Figure 3, when ground wire and any waterline immersed in the water simultaneously, water 15 just was equivalent to resistance, and two electric resistance partial pressures are exported a relatively low output signal 16; When only there being ground wire to immerse in the water, when having no a waterline to immerse in the water, be equivalent to change the water among Fig. 3 15 into air, because the resistance of air is very big, again with divider resistance 14 dividing potential drops, output signal 16 will be a relative higher signal.
In experimentation, find to exist the problem of electrolysis, the electrode slice of waterline is by electrolytic corrosion, and the durability of product has been produced very big influence.Address this problem to mainly contain and improve electrode voltage, adopt methods such as inactive, conductive material, wherein, the method for improving electrode voltage has two kinds again, and the one, reduce the voltage at electrode two ends, the 2nd, adopt alternating voltage, and the mean value of control alternating voltage is zero.The utility model has adopted simple technical scheme, reduces the voltage (low level signal when ground wire and waterline immerse in the water simultaneously) at electrode two ends, adopts the induction terminal of inactive, conductive material simultaneously, delays the corrosion that electrolysis causes.
The utility model has adopted special structure design, can fix and protect the induction terminal 8 of level measuring, and the user can install easily.As shown in Figure 2, signal wire 4 links to each other with the external world through the aviation plug 11 that is installed on the plug 10, can guarantee waterproof, and under the prerequisite that fixedly secures, convenient plug is changed.Plug 10 is bonding through interior pipe with elbow 12, and there is silk the lower end of elbow 12, size and threaded iron pipe 9 tight engagement.Waterline and ground wire pass from electrode tube, locate from the induction tube cinclides, to pass and fixing to correspondence position (at the bottom of the case, 1/4,1/2,3/4, full).Outer tube 6 upper ends with than slightly thick 13 bonding of threaded iron pipe to saving, in this way, outer tube 6 is fixed among the iron pipe 9, can not rock landing.Induction tube 7 penetrates among the outer tube 6, rocks the impulsive force of bringing to water in the water tank 1, and the pressure-bearing of outer tube 6 can play effective protection to induction tube 7, and induction tube 7 and outer tube 6 are through closing-up.The user only needs to make a call to a hole in the upper middle position of water tank 1 when mounted, and with in threaded iron pipe 9 welding, insertion water level pipe 2 is screwed and got final product then.Compared with similar products, installation is very convenient.
The display part (as shown in Figure 4) of the utility model mainly is made up of comparator circuit and display circuit.Comparer adopts No. four general comparators, and the voltage that water level pipe collects is compared with reference voltage (5V), and theory is output as VCC (24V) or GND (0V).In the process that reality is used, there are reasons such as leakage current owing to comparer, can not reach desirable output valve, but the error that exists is not sufficient to make the circuit of rear end to produce misoperation.
When the relatively output when four tunnel all is high level (electrode of waterline does not all immerse in the water), network label level-x (x=1,2 among the last figure; 3,4) locate to be high level, green light two terminal potentials among the last figure equate; Not luminous; In like manner, diode D2, D3, D4, D5 end, and red LED is lighted.When in four the tunnel any one the tunnel when being output as low level (electrode of this road waterline immerses in the water), all conductings of the green LED on corresponding road and diode, this road green LED is luminous, and diode is with the red LED short circuit, and red LED is extinguished.Arbitrarily one or more is output as low level because the existence of diode can't exert an influence to other comparator signal of exporting high level, therefore, between each road effect separate, be independent of each other.
Claims (6)
1. brake trickle cistern water level detecting device; It is characterized in that; Comprise from the water tank upper end and extend into the water level pipe in it; Water level pipe passes stationary installation and is fixed in the water tank through stationary installation, is provided with the water level acquisition device in the said water level pipe, and said water level acquisition device links to each other through the display of the signal wire band control circuit outer with being arranged at water tank.
2. brake trickle cistern water level detecting device as claimed in claim 1; It is characterized in that; Said water level pipe comprises outer tube; Be with induction tube in the outer tube, be provided with some water level acquisition devices in the induction tube from down to up, each water level acquisition device all links to each other through the display that signal wire passes the outer band control circuit of induction tube and outer tube and water tank; Said outer tube upper end and stationary installation bonding connection.
3. brake trickle cistern water level detecting device as claimed in claim 2 is characterized in that said induction tube and outer tube are through closing-up.
4. brake trickle cistern water level detecting device as claimed in claim 2 is characterized in that, said water level acquisition device adopts inactive, conductive material to be prepared from for induction terminal, said induction terminal.
5. brake trickle cistern water level detecting device as claimed in claim 1 is characterized in that said stationary installation comprises elbow; One end inside of said elbow is bonded with plug; Plug is provided with the aviation plug that links to each other with said signal wire, and elbow other end inwall is provided with screw thread, and this end links to each other with iron pipe through screw thread; The inner iron pipe upper end of joint of elbow is provided with joint, said joint and the said outer tube upper end of passing iron pipe is cohered.
6. brake trickle cistern water level detecting device as claimed in claim 5 is characterized in that, said to the joint diameter greater than the iron pipe diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203371857U CN202195854U (en) | 2011-09-08 | 2011-09-08 | Water level detector for brake water spraying tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203371857U CN202195854U (en) | 2011-09-08 | 2011-09-08 | Water level detector for brake water spraying tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195854U true CN202195854U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203371857U Expired - Fee Related CN202195854U (en) | 2011-09-08 | 2011-09-08 | Water level detector for brake water spraying tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195854U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340735A (en) * | 2017-06-06 | 2017-11-10 | 山东东方方圆厨房设备有限公司 | The double control system of steamer |
| CN107340736A (en) * | 2017-06-06 | 2017-11-10 | 山东东方方圆厨房设备有限公司 | The control system of steamer |
| CN108692787A (en) * | 2018-05-10 | 2018-10-23 | 蚌埠市华威电子科技有限公司 | A kind of radiator water level sensor |
-
2011
- 2011-09-08 CN CN2011203371857U patent/CN202195854U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340735A (en) * | 2017-06-06 | 2017-11-10 | 山东东方方圆厨房设备有限公司 | The double control system of steamer |
| CN107340736A (en) * | 2017-06-06 | 2017-11-10 | 山东东方方圆厨房设备有限公司 | The control system of steamer |
| CN108692787A (en) * | 2018-05-10 | 2018-10-23 | 蚌埠市华威电子科技有限公司 | A kind of radiator water level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20170908 |