CN201225908Y - Water level sensor for vehicle - Google Patents
Water level sensor for vehicle Download PDFInfo
- Publication number
- CN201225908Y CN201225908Y CNU2008200391560U CN200820039156U CN201225908Y CN 201225908 Y CN201225908 Y CN 201225908Y CN U2008200391560 U CNU2008200391560 U CN U2008200391560U CN 200820039156 U CN200820039156 U CN 200820039156U CN 201225908 Y CN201225908 Y CN 201225908Y
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- level sensor
- water level
- automobile
- metal probe
- wire harness
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Abstract
The utility model discloses a car water level sensor, which comprises a screw cap (8), a taper thread (9), a contact insulation sleeve (10) and a metal detector (11), wherein, the metal detector (11) that is arranged on the water level sensor (1) is connected with a digital control system through wiring harness (4) and a signal circuit. Adopting the technical proposal, the integral interference resistant capacity of the water level sensor is improved, and the composite requirement of the compatibility and the functions of the product is satisfied, so that the signal can be outputted in different ways such as the switch mode, the frequency, the electric current, the voltage and the like, and the multi-spot alarming and the digital output selection function can be realized; the reliability of the product is improved; at the same time, the cost of the product is reduced, and the economical efficiency of the product is improved.
Description
Technical field
The utility model belongs to the technical field of automobile construction, relates to the detection alarm device on the automobile, and more particularly, the utility model relates to a kind of water level sensor for automobile.
Background technology
Along with Hyundai Motor development of technology and development, automobile enters the every field of huge numbers of families and people's lives on a large scale, become the walking-replacing tool of ordinary populace, safe, comfortable, the environmental protection of automobile product and economic performance and the efficient that improves automobile product have become the topic that people pay close attention to.
Hyundai Motor reduces unnecessary damage in order further to improve reliability, has increased the sensor of some specific functions, as in order to guarantee normal water level, prevents the damage of engine and gear case, has increased level sensor.In the water tank of engine, increase the low-water level warning function, be used for preventing that the interior chilled water of engine water tank from after very few burning out engine; Behind the oil-water separator of gear case, install level sensor additional,, then remind driver or maintenance personal that water is put totally, prevent to damage gear case because of dilutional hyponatremia once water level reaches certain amount.
In recent years, in the world to the progressively raising of automobile emissions standards, the fast development of whole-control system and electronic technology, Hyundai Motor is also increasing to the demand of electronic type or digitized sensor.New electron controls technology and sensing technology develop into that enterprise enhances product performance, quality and the key of winning the market.Digitized sensor is the antijamming capability that is used for improving product on the one hand, the stability of enhanced system; Be the measuring accuracy that is used for improving product on the other hand, increase the additional function of product, realize the compound of multiple function.
The level sensor 1 of traditional level sensor shown in the accompanying drawing in this instructions 1 is a kind of single-contact water level switch formula warning structure, and it only plays the effect of a switch.The general structure that adopts integral type, it is made of metal joint 12, metal joint insulation sleeve 13, nut 8, taper thread 9, metal probe 11 and contact insulation sleeve 10.In recent years, a kind of mode of utilizing mimic channel and delay circuit design has appearred on the international market, make traditional switching regulator level sensor possess delayed alarm control and signal output function, but the simulating signal of its peripheral mimic channel complexity, output is subject to complex electromagnetic environment interference on the automobile, and the whole antijamming capability of product is not high.In addition, product then needs to add corresponding converter in addition as with in the automobile or control system of bussing technique, the cost of product is increased substantially.
Summary of the invention
The utility model will be dealt with problems and be provided a kind of water level sensor for automobile, its objective is the whole antijamming capability that improves sensor and realizes compositeness requirement to the compatibility and the function of product.
To achieve these goals, the technical scheme taked of the utility model is:
This water level sensor for automobile provided by the utility model comprises nut, taper thread, contact insulation sleeve and metal probe, and the metal probe on the described level sensor is connected by signal line with digital control system by wire harness.
Novelty, creativeness and the practicality of the utility model in order to improve above-mentioned overall technological scheme also further provides technical scheme more specifically, and it is improved more with feasible:
Establish microprocessor in the described digital control system, the output signal of described microprocessor is a switching mode, perhaps is the frequency mode, perhaps is current system, perhaps is voltage system, and perhaps described output signal is the combination in any of the above-mentioned way of output.
The sensing element of described level sensor is the pressure sensitive chip.
Described level sensor is that two separate member connect, and promptly one of them member is: described wire harness is cased, and an end opposite with wire harness established the coupling sleeve of projection on shell; Another member is that described metal probe is contained in nut and the taper thread by the contact insulation sleeve, and the connection core of projection is established in end opposite with metal probe is installed on nut; Described connection core inserts in the coupling sleeve and constitutes wringing fit, and making above-mentioned two member limits is one; Connecting under core and the friction tight state of coupling sleeve the circuit turn-on of described metal probe and wire harness.
Described level sensor is the multiconductor level sensor, and promptly the quantity of its metal probe is two or more than two, the circuit mutual insulating that a plurality of metal probes are connected with wire harness; Described a plurality of metal probe is different from the position that nut and taper thread stretch out at it.
In described shell, establish metal screen layer, cover on outside metal probe and the lead that wire harness is communicated with.
Described digital control system is located in the described shell.
The utility model also provides the control method that above-mentioned water level sensor for automobile adopted, and its purpose is identical with technique scheme.The concrete technical scheme of this method is:
At the digital control system described in the technique scheme, by vehicle power power supply, water level signal is obtained by metal probe, by described microprocessor processes, and output alarm signal then, the type of alarm of described digital control system is a light warning; Perhaps described type of alarm is an audible alarm; Perhaps described type of alarm is a language alarm; Perhaps described type of alarm is the type of alarm of the combination in any of light warning, audible alarm and language alarm
The control method of above-described water level sensor for automobile, described metal probe () is converted to voltage signal with water level signal, and the magnitude of voltage of its setting is U
0, the control procedure of described control method is:
A), power on;
B), the microprocessor in the digital control system reads the magnitude of voltage that is transmitted by metal probe;
C), judge that whether magnitude of voltage is greater than U
0, if, then start light warning, enter step d) simultaneously; If not, then return step b);
D), start delay counter;
E), when delay counter carries out time counting, whether the microprocessor judges magnitude of voltage greater than U
0, if then proceed time counting; If not, then return step b);
F), whether judgement time counting reach setting value, whether be zero, if enter step g) if promptly countdowning; If not, return step e);
G), start audible alarm, perhaps start language alarm, perhaps start audible alarm and language alarm simultaneously.
The utility model adopts technique scheme, improved the whole antijamming capability of level sensor, realization is to the compositeness requirement of the compatibility and the function of product, make signal output can select multiple modes such as switching mode, frequency, electric current and voltage, and realize that multiple spot is reported to the police and digitizing output selection function; Improved reliability of products; Reduce cost of products simultaneously, improve the economy of product.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this instructions and the mark among the figure are made brief description:
Fig. 1 is the structural representation of the level sensor that relates in this instructions background technology;
The structural representation of the integral type single contact level sensor that Fig. 2 provides for the utility model;
The combined type single contact level sensor structure annexation synoptic diagram that Fig. 3 provides for the utility model;
The structural representation of the integral type multiconductor level sensor that Fig. 4 provides for the utility model;
The combined type multiconductor level sensor structure annexation synoptic diagram that Fig. 5 provides for the utility model;
The control function synoptic diagram of the level sensor that Fig. 6 provides for the utility model;
Fig. 7 is the process logic block diagram of the control mode of the level sensor in the utility model.
Be labeled as among the figure: 1, level sensor, 2, the multiconductor level sensor, 3, the single contact level sensor, 4, wire harness, 5, shell, 6, coupling sleeve, 7, connect core, 8, nut, 9, taper thread, 10, the contact insulation sleeve, 11, metal probe, 12, metal joint, 13, the metal joint insulation sleeve.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and principle of work, the manufacturing process of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 2 to Fig. 5, the utility model is a kind of water level sensor for automobile, comprises nut 8, taper thread 9, contact insulation sleeve 10 and metal probe 11.Wherein, metal probe 11 is sensing elements, to obtain the signal of water level; Realize the effect of insulation with contact insulation sleeve 10; Taper thread 9 is used for the installation on body, and taper thread can play good sealing function; Nut 8 works the effect of screwing when level sensor is fastening.
Background technology part at this instructions, discussed the defective that prior art exists, in order to overcome these defectives, realize improving the whole antijamming capability of sensor and realize the purpose that the compositeness to the compatibility of product and function requires that the utility model has been taked following technical scheme:
This water level sensor for automobile provided by the utility model, the metal probe 11 on the described level sensor 1 is connected by signal line with digital control system by wire harness 4.
Technique scheme, be different from general low water alarm and only realize the fixedly switch warning function of water level, but with the computer programs process in the water level signal process digital control system provided by the utility model, the digitized signal output of realize time-delay, report to the police, controlling, its output signal can realize digitizing square wave frequency signal, electric current or the voltage signal of pulsed, and can be by to the setting and the selection of frequency signal dutycycle, make product sensor can directly adapt on the modern novel high-grade automobile bussing technique to the specific demand of sensor signal.Adopt digital control system to improve the antijamming capability of system greatly, it is more suitable in Computer Processing than simulating signal, be easier to realize function variation and with the compatibility of other software and hardware.
The utility model also provides the concrete exemplifying embodiment of following level sensor 1 structure,, selects to use for those skilled in the art when implementing the utility model:
Exemplifying embodiment one:
Establish microprocessor in the above-described digital control system of the utility model, the output signal of described microprocessor is a switching mode, perhaps is the frequency mode, perhaps is current system, perhaps be voltage system, perhaps described output signal is the combination in any of the above-mentioned way of output.
The utility model is provided with independently power circuit, is used to improve the antijamming capability of Related product on automobile; Data processing adopts the software program of automotive grade 8-bit microcontroller and stand-alone development; The interface connecting mode of structure selection standard, integrated design, compact conformation, stable performance, reliable in quality.
Can set the warning form as required, as selecting light, sound or the language alarm form in the circuit, also can be by signal frequency is selected to set.The same microprocessor that uses carries out pre-service to water level signal, and signal output can be selected multiple modes such as switching mode, frequency, electric current and voltage, realizes digitizing output and delayed alarm selection function.
Exemplifying embodiment two:
Level sensor 1 provided by the utility model is that two separate member connect, and promptly one of them member is: described wire harness 4 is contained in the shell 5, and an end opposite with wire harness 4 on shell 5 is established the coupling sleeve 6 of projection; Another member is that described metal probe 11 is contained in nut 8 and the taper thread 9 by contact insulation sleeve 10, and the connection core 7 of projection is established in end opposite with metal probe 11 is installed on nut 8; Described connection core 7 inserts in the coupling sleeve 6 and constitutes wringing fit, and making above-mentioned two member limits is one; Connecting under core 7 and the coupling sleeve 6 friction tight states circuit turn-on of described metal probe 11 and wire harness 4.
Traditional electronic type level sensor is control circuit and sensing head one, be a simple contact switch generally because of sensing head, damage is seldom arranged, and all is that control circuit has fault to need repairing or changes usually, and its dismounting need be used instrument, also relate to sealing and integrity problem, need professional people and already operate, and, cause safeguarding inconvenient along with automobile enters family, if change one new, cost is also higher.For ease of dismounting, the technical scheme that the utility model is taked be level with the Design of Sensor separated into two parts, during manufacturing control circuit part and inductive head are partly separated, middle with standard interface design connection, by
The mode of pulling out forms a knockdown product, and as Fig. 3 and shown in Figure 5, other control section is then just the same with the control section of digital multiconductor level sensor, digital single contact level sensor.
Its contour structures can be simplified mechanical component and assembling process with once-combined the forming of high-intensity resistant to elevated temperatures engineering plastics, reduces the production cost.
Exemplifying embodiment three
The automobile pressure sensitive chip that the utility model adopts micromachining technology to produce, the software program that is aided with independent current source circuit, signal processing circuit and stand-alone development design, realize pressure signal digitizing output, and adopt the three-way output and the two line way of outputs to select, standard interface design, and reliable high pressure and high-intensity Sealing Technology.
The utility model has been cancelled conventional pressure sensor and has been utilized matrix to be out of shape to come the activation lever mechanism kinematic, promote the motion of slide wire resistance shell fragment on resistance board, thereby realize changing and the mode of sensor output resistance variation with pressure, adopt special-purpose micro pressure induction chip to carry out pressure and change test, the voltage signal of pressure variation is converted into the frequency or the current signal of numerical by computer programs process, directly be defeated by auto meter, engine control system or central processing system are reported to the police or are controlled adjustment, and output frequency also can select the pulse-width regulated mode to realize and the docking of car load bussing technique.The sealing of wiring board and the general assembly of sensor are after utilizing high-intensity resistant to elevated temperatures resin glue overall package, utilize the joint of metal construction to carry out machinery circle press seal dress again, with the compressive strength of further raising sensor.Adopt incorporate structural design, compact conformation, supporting exclusive data handling procedure has effectively improved the Performance And Reliability of product, has reduced manufacturing cost and part processing cost.
Exemplifying embodiment four:
Organization plan except the single-contact level sensor of above-described employing, the utility model has also proposed the technical scheme of multifinger level sensor especially: level sensor 1 promptly described in the utility model also is multiconductor level sensor 2, the quantity that is its metal probe 11 is two or more than two, the circuit mutual insulating that a plurality of metal probes 11 are connected with wire harness; Described a plurality of metal probe 11 is different from the position that nut 8 and taper thread 9 stretch out at it.
Adopt technique scheme, make to the utlity model has a plurality of water levels contact, can set contact position according to water level height needs, signal processing unit is according to the switch of diverse location contact, water level signal through computer programs process, is realized the digitized signal output of time-delay, warning, control
Exemplifying embodiment five:
The utility model has been taked following measure for the ability of the anti-electromagnetic interference (EMI) of the sensor of flooding; In described shell 5, establish metal screen layer, cover on outside metal probe 11 and the lead that wire harness 4 is communicated with.Owing to adopted said structure, the signal that transmits in the sensor is disturbed by the forceful electric power of the external world, particularly automotive electrical system no longer, makes that the signal of its transmission is accurate, reliable and stable.
Exemplifying embodiment six:
Digital control system described in the utility model is located in the described shell 5.Especially, described digital control system is located within the described metal screen layer.
The purpose of this structure is in order to make whole digital control system not be subjected to outside strong electromagnetic, to make the working stability of system equally
The control method that the utility model also provides above-mentioned water level sensor for automobile to be adopted, the concrete technical scheme of this method is:
As shown in Figure 6, at the digital control system described in the technique scheme, power by vehicle power, water level signal is obtained by metal probe 11, by described microprocessor processes, output alarm signal then, the type of alarm of described digital control system is a light warning; Perhaps described type of alarm is an audible alarm; Perhaps described type of alarm is a language alarm; Perhaps described type of alarm is the type of alarm of the combination in any of light warning, audible alarm and language alarm
The control method of above-described water level sensor for automobile, described metal probe (11) is converted to voltage signal with water level signal, and the magnitude of voltage of its setting is U
0, as shown in Figure 7, the control procedure of described control method is:
A), power on;
B), the microprocessor in the digital control system reads the magnitude of voltage that is transmitted by metal probe 11;
C), judge that whether magnitude of voltage is greater than U
0, if, then start light warning, enter step d) simultaneously; If not, then return step b);
D), start delay counter;
E), when delay counter carries out time counting, whether the microprocessor judges magnitude of voltage greater than U
0, if then proceed time counting; If not, then return step b);
F), whether judgement time counting reach setting value, whether be zero, if enter step g) if promptly countdowning; If not, return step e);
G), start audible alarm, perhaps start language alarm, perhaps start audible alarm and language alarm simultaneously.
In sum, the utility model uses the numerical control system microprocessor that water level signal is carried out preliminary treatment, Make signal output can select the various ways such as switching mode, frequency, electric current and voltage, and realize Multiple Dots Alarm Rules With the Digital output selection function. Compared with prior art, on its structure and the operation principle very big district is arranged Not, have outstanding substantial characteristics, and obtain technically marked improvement, industrial popularization arranged Therefore the value of using, the utlity model has novelty, creativeness and practicality.
By reference to the accompanying drawings the utility model has been carried out exemplary description above, obviously the utility model specific implementation Be not subjected to the restriction of aforesaid way, as long as adopted method design of the present utility model and technical scheme to carry out The improvement of various unsubstantialities, or without improving design of the present utility model and technical scheme are directly applied to Other occasion all within protection domain of the present utility model.
Claims (7)
1, a kind of water level sensor for automobile, comprise nut (8), taper thread (9), contact insulation sleeve (10) and metal probe (11), it is characterized in that: the metal probe (11) on the described level sensor (1) is connected by signal line with digital control system by wire harness (4).
2, according to the described water level sensor for automobile of claim 1, it is characterized in that: establish microprocessor in the described digital control system, the output signal of described microprocessor is a switching mode, it perhaps is the frequency mode, it perhaps is current system, perhaps be voltage system, perhaps described output signal is the combination in any of the above-mentioned way of output.
3, according to claim 1 or 2 described water level sensor for automobile, it is characterized in that: the sensing element of described level sensor (1) is the pressure sensitive chip.
4, according to claim 1 or 2 described water level sensor for automobile, it is characterized in that: described level sensor (1) is a multiconductor level sensor (2), the quantity that is its metal probe (11) is two or more than two, the circuit mutual insulating that a plurality of metal probes (11) are connected with wire harness; Described a plurality of metal probe (11) is different from the position that nut (8) and taper thread (9) stretch out at it.
5, according to claim 1 or 2 described water level sensor for automobile, it is characterized in that: described level sensor (1) is that two separate member connect, be that one of them member is: described wire harness (4) is contained in the shell (5), goes up the coupling sleeve (6) that an end opposite with wire harness (4) established projection at shell (5); Another member is that described metal probe (11) is contained in nut (8) and the taper thread (9) by contact insulation sleeve (10), goes up the end opposite with metal probe (11) is installed at nut (8) and establishes the connection core (7) of projection; Described connection core (7) inserts in the coupling sleeve (6) and constitutes wringing fit, and making above-mentioned two member limits is one; Connecting under core (7) and the friction tight state of coupling sleeve (6) circuit turn-on of described metal probe (11) and wire harness (4).
6, according to the described water level sensor for automobile of claim 5, it is characterized in that: in described shell (5), establish metal screen layer, cover on outside metal probe (11) and the lead that wire harness (4) is communicated with.
7, according to the described water level sensor for automobile of claim 5, it is characterized in that: described digital control system is located in the described shell (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200391560U CN201225908Y (en) | 2008-07-25 | 2008-07-25 | Water level sensor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200391560U CN201225908Y (en) | 2008-07-25 | 2008-07-25 | Water level sensor for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201225908Y true CN201225908Y (en) | 2009-04-22 |
Family
ID=40598801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200391560U Expired - Lifetime CN201225908Y (en) | 2008-07-25 | 2008-07-25 | Water level sensor for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201225908Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368838B (en) * | 2008-07-25 | 2011-10-05 | 陈建海 | Water level sensor for automobile and its control method |
| USD841559S1 (en) | 2017-03-29 | 2019-02-26 | Mark D. Johnson | Lift tool box |
-
2008
- 2008-07-25 CN CNU2008200391560U patent/CN201225908Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368838B (en) * | 2008-07-25 | 2011-10-05 | 陈建海 | Water level sensor for automobile and its control method |
| USD841559S1 (en) | 2017-03-29 | 2019-02-26 | Mark D. Johnson | Lift tool box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090422 Effective date of abandoning: 20080725 |