CN110579260A - Oil quantity measuring device, oil quantity measuring method and motorcycle - Google Patents
Oil quantity measuring device, oil quantity measuring method and motorcycle Download PDFInfo
- Publication number
- CN110579260A CN110579260A CN201910980812.XA CN201910980812A CN110579260A CN 110579260 A CN110579260 A CN 110579260A CN 201910980812 A CN201910980812 A CN 201910980812A CN 110579260 A CN110579260 A CN 110579260A
- Authority
- CN
- China
- Prior art keywords
- power supply
- control unit
- electrically connected
- oil
- unit
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J99/00—Subject matter not provided for in other groups of this subclass
-
- 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
- G01F23/24—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 variations of resistance of resistors due to contact with conductor fluid
Abstract
The application relates to the technical field of oil mass detection, in particular to an oil mass measuring device, an oil mass measuring method and a motorcycle, wherein the oil mass measuring device comprises a power supply control unit, an oil sensor, a power supply unit and a control unit; the power supply unit is electrically connected with the control unit so as to supply power to the control unit through the power supply unit, the power supply unit is also electrically connected with the input end of the power supply control unit, and the input end of the power supply control unit is also electrically connected with the control unit so as to receive a power supply control signal output by the control unit; the output end of the power supply control unit is electrically connected with the input end of the oil sensor so as to intermittently supply power to the oil sensor according to the power supply control signal. The application can avoid the vulcanization phenomenon caused by long-time work of the oil sensor, improve the working precision and the working stability of the oil sensor, and further improve the measuring precision of the oil quantity in the target oil tank.
Description
Technical Field
The application relates to the technical field of oil mass detection, in particular to an oil mass measuring device, an oil mass measuring method and a motorcycle.
Background
At present, an oil quantity detection device and a detection method based on the oil quantity detection device are widely applied to oil quantity detection of a motor vehicle, a commonly used oil quantity detection device mainly comprises a resistance sliding vane type oil sensor, and the detection method of the corresponding oil quantity detection device is as follows: the oil quantity in the oil tank of the motor vehicle is determined by detecting the resistance value of the resistance sliding vane type oil sensor and then according to the resistance value of the resistance sliding vane type oil sensor.
However, in using the existing oil amount detecting device, our skilled person finds the following problems: along with the increase of service time, the existing oil sensor is easy to vulcanize, so that the problems of insufficient accuracy and stability and the like of oil quantity data measured according to the oil sensor are caused.
Disclosure of Invention
An object of the embodiment of the application is to provide an oil mass measuring device, an oil mass measuring method and a motorcycle, which are used for accurately measuring the oil mass of the motorcycle and improving the stability of an oil sensor.
the application provides an oil mass measuring device, it includes: the oil quantity measuring device comprises a power supply control unit, an oil sensor, a power supply unit and a control unit;
The power supply unit is electrically connected with the control unit and the input end of the power supply control unit;
The input end of the power supply control unit is also electrically connected with the control unit so as to receive a power supply control signal output by the control unit;
The output end of the power supply control unit is electrically connected with the input end of the oil sensor so as to intermittently supply power to the oil sensor according to the power supply control signal.
after the power supply control unit receives the power supply control signal output by the control unit, the power supply control signal controls the oil sensor to intermittently supply power, so that the vulcanization phenomenon caused by long-time work of the oil sensor can be avoided, the working precision and the working stability of the oil sensor are improved, and the measuring precision of the oil quantity in the target oil tank can be improved; in addition, the cost can be saved, and the market competitiveness can be improved.
optionally, the power supply control unit includes an output control subunit and a switch control subunit;
The input end of the output control subunit is electrically connected with the control unit to receive a power supply control signal; the output end of the output control subunit is electrically connected with the input end of the switch control subunit, and the output end of the switch control subunit is electrically connected with the input end of the oil sensor, so that the switch control subunit intermittently supplies power to the oil sensor according to the power supply control signal.
Optionally, the output control subunit includes a first resistor and a first triode; the input end of the first resistor is electrically connected with the control unit to receive a power supply control signal; the output end of the first resistor is electrically connected with the base electrode of the first triode, the emitting electrode of the first triode is grounded, and the collecting electrode of the first triode is electrically connected with the input end of the switch control subunit. This application adopts first triode to control the power supply of oil mass sensor as the switch to the realization is to the intermittent type nature power supply of oil mass sensor.
Optionally, the output control subunit further includes a filter protection circuit, an input end of the filter protection circuit is electrically connected to an output end of the first resistor, and an output end of the filter protection circuit is grounded. The filter protection circuit is mainly used for filtering alternating current components, reducing alternating current ripple coefficients and enabling output direct current to be smoother.
optionally, the switch control subunit includes a second triode, a base of the second triode is electrically connected to a collector of the first triode, an emitter of the second triode is electrically connected to the input terminal of the oil quantity sensor, and a collector of the second triode is electrically connected to the power supply unit. The second triode of this application can control first triode, and then realizes the switch function of first triode.
Optionally, the power supply control unit further comprises a reverse-preventing subunit; and the negative electrode of the anti-reverse subunit is electrically connected with the base electrode of the second triode, and the positive electrode of the anti-reverse subunit is electrically connected with the input end of the oil quantity sensor. Because the current in the anti-reverse subunit is rapidly increased under the action of the reverse voltage, the control subunit and the switch control subunit can be prevented from being damaged by the reverse current by adopting the anti-reverse subunit.
Optionally, the oil amount measuring device further includes a power supply voltage sampling unit and a resistance voltage dividing unit; the input end of the power supply voltage sampling unit is electrically connected with the power supply unit, the output end of the power supply voltage sampling unit is electrically connected with the control unit, the power supply voltage of the power supply unit is collected through the power supply voltage sampling unit, and the collected power supply voltage is transmitted to the control unit;
The input end of the resistance voltage division unit is electrically connected with the output end of the oil sensor, the output end of the resistance voltage division unit is electrically connected with the control unit, and the output voltage of the oil sensor is collected through the resistance voltage division unit so that the control unit can calculate the oil quantity in the target oil tank according to the power supply voltage and the output voltage. This application mains voltage sampling unit, resistance partial pressure unit sampling power supply unit's input end voltage and oil mass sensor's output end voltage can cover the voltage value under a plurality of tenses of oil mass sensor and power supply unit, and then can calculate the resistance of oil mass sensor more accurately according to the sampling voltage who obtains.
the present application also provides a motorcycle comprising an oil mass measuring device as in any one of the above embodiments.
The motorcycle of this application can avoid the vulcanization phenomenon that the long-time work of oil sensor leads to through oil mass measuring device, improves the oil mass and detects precision and stability, and simultaneously, this application can detect the oil mass in the oil tank with lower cost realization.
Optionally, the motorcycle further comprises a display screen, the display screen is electrically connected with the oil quantity measuring device, and after the specific oil quantity is detected by the control unit in the oil quantity detecting device, the oil quantity is displayed by the display screen so as to be convenient for a user to check.
the application also provides an oil quantity measuring method which is applied to the oil quantity measuring device in any one of the embodiments and comprises the following steps:
The control unit determines the resistance value of the oil sensor according to the input voltage of the power supply control unit and the output voltage of the oil sensor;
the control unit determines the oil quantity in the target oil tank according to the resistance value of the oil sensor;
According to the oil quantity measuring method, power is intermittently supplied to the oil sensor, so that the vulcanization phenomenon caused by long-time work of the oil sensor can be avoided, the working precision and the working stability of the oil sensor are improved, and the measuring precision of the oil quantity in the target oil tank can be accurately and stably measured; meanwhile, the oil quantity measuring method can also realize the oil quantity measurement in the target oil tank at lower cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a block diagram of a fuel quantity measuring device according to an embodiment of the present disclosure;
Fig. 2 is a schematic structural diagram of a power supply control circuit according to an embodiment of the present disclosure;
Fig. 3 is a schematic view of a fuel quantity detection structure of a fuel tank according to an embodiment of the present application;
Fig. 4 is a schematic structural diagram of a power supply voltage sampling circuit according to an embodiment of the present disclosure;
Fig. 5 is a schematic structural diagram of a resistance voltage division sampling circuit of an oil sensor according to an embodiment of the present application;
FIG. 6 is a flow chart of a method for measuring fuel quantity according to an embodiment of the present disclosure;
wherein the reference numerals are:
The fuel quantity detection device 110, the power supply unit 120, the control unit 130, the power supply control unit 140, the fuel sensor 150, the power supply voltage sampling unit 160, and the resistance voltage dividing unit 170.
Detailed Description
the technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a block diagram of a fuel quantity measuring device 110 according to an embodiment of the present disclosure. As shown in fig. 1, the oil amount measuring device 110 includes a power supply control unit 140, an oil sensor 150, a power supply unit 120, and a control unit 130.
The output end of the power supply unit 120 is electrically connected to the input ends of the control unit 130 and the power supply control unit 140, respectively, so as to supply power to the control unit 130 and the power supply control unit 140 through the power supply unit 120, which is convenient for the control unit 130 and the power supply control unit 140 to perform corresponding control operations.
In addition, the input end of the power supply control unit 1401 is electrically connected to the output end of the control unit 130, and the output end of the power supply control unit 140 is electrically connected to the input end of the oil sensor 150, so as to intermittently supply power to the oil sensor 150 according to the power supply control signal output by the control unit 130.
In the prior art, the common resistive sliding vane type oil sensor 150 detects the oil quantity in the oil tank, and the detection method is to detect the resistance value of the resistive sliding vane type oil sensor 150 and then determine the oil quantity in the oil tank of the motor vehicle according to the resistance value of the resistive sliding vane type oil sensor 150.
however, since the oil sensor 150 has a large operating current and is likely to be vulcanized when immersed in oil for a long time, the oil sensor 150 needs to be periodically maintained and replaced, and the oil amount data measured by the vulcanized oil sensor 150 has problems such as insufficient accuracy and stability.
Therefore, in the present application, after the power supply control unit 140 receives the power supply control signal output by the control unit 130, the power supply control signal controls the oil sensor 150 to intermittently supply power, so that a vulcanization phenomenon caused after the oil sensor 150 operates for a long time can be avoided, the operating accuracy and the operating stability of the oil sensor 150 can be improved, and the measuring accuracy of the amount of oil in the target oil tank can be improved; in addition, the technical scheme of the application can also prolong the service life of the oil sensor 150, save the cost and improve the market competitiveness.
in the embodiment of the present application, the power unit 120 refers to a device capable of storing electric energy and supplying power to a load, and the device includes, but is not limited to, a storage battery, and the storage battery can include a nickel-cadmium battery, a nickel-hydrogen battery, a lithium ion battery, a lithium polymer battery, a lead-acid battery, and the like, and supplies power to the load by converting chemical energy into electric energy.
The control unit 130 includes, but is not limited to, a Micro Control Unit (MCU), which is also called a single-chip microcomputer or a single-chip microcomputer, and is configured to appropriately reduce the frequency and specification of a Central Processing Unit (CPU), and integrate peripheral interfaces such as a memory, a counter, a USB, an a/D conversion, a UART, a PLC, a DMA, and the like, and even an LCD driving circuit on a single chip to form a chip-level computer, so as to perform different combination control for different applications. Such as cell phones, PC peripherals, remote controls, automotive electronics, industrial stepper motors, robotic arm controls, etc.
in the embodiment of the present application, the power supply control unit 140 refers to a unit capable of receiving a control instruction issued by the control unit 130 and executing a corresponding control operation according to the control instruction, and the power supply control unit 140 includes an output control subunit, a switch control subunit, a filter protection circuit, an anti-reverse subunit, and the like.
In the embodiment of the present application, the oil sensor 150, also called as an oil level sensor, can convert the measured change into an output signal, where the output signal includes a resistance signal (the resistance value can be self-determined) and a voltage signal, and the height of the oil level (water level) can be linearly measured through the output signal, so as to detect the oil level in the oil tank. The oil sensor 150 is commonly used for measuring the oil quantity (liquid level) of an oil tank and a water tank of an automobile (ship).
In a preferred embodiment, the power supply control unit 140 may include an output control subunit, a switch control subunit;
The input terminal of the output control subunit is electrically connected with the control unit 130 to receive the power supply control signal; the output end of the output control subunit is electrically connected with the input end of the switch control subunit so as to control the on-off of the switch control subunit according to the power supply control signal.
The output of the switch control subunit is electrically connected to the input of the oil sensor 150, so that the switch control subunit intermittently supplies power to the oil sensor 150 in accordance with the power supply control signal.
illustratively, when the pulse width of the power supply control signal issued by the control unit 130 is 20ms, the signal period is 200ms, that is, the duty ratio is 0.1, that means that power supply is performed for 20ms every 200ms period, and the other 180ms is in a power-off state; when the output control subunit receives the power supply control signal issued by the control unit 130, the output control subunit controls the switch in the switch control subunit to supply power for 20ms every 200ms according to the power supply control signal, and power is turned off for 180 ms.
referring to fig. 2, fig. 2 is a schematic diagram of a power supply control circuit according to an embodiment of the present disclosure. In a preferred embodiment, as shown in fig. 2, the output control subunit is composed of a first resistor R9, a first capacitor C5, a second resistor R10 and a first transistor Q2, wherein an input end of the first resistor R9 is electrically connected to the control unit to receive the power supply control signal; the output end of the first resistor R9 is electrically connected with the base electrode of the first triode Q2, the emitter electrode of the first triode Q2 is grounded, and the collector electrode of the first triode Q2 is electrically connected with the input end of the switch control subunit.
In a preferred embodiment, the power supply control unit 140 may further include a filter protection circuit; the input end of the filter protection circuit is electrically connected with the output end of the switch control subunit, and the output end of the filter protection circuit is grounded.
Specifically, a filter circuit formed by the first capacitor C5 and the second resistor R10 filters out high-frequency components in the circuit, retains low-frequency components, and then transmits the filtered power supply control signal to the switch control subunit after being amplified by the first triode Q2.
In a preferred embodiment, as shown in fig. 2, the switching control subunit includes a third resistor R5, a fourth resistor R6, and a second transistor Q1, wherein the base of the second transistor Q1 is electrically connected to the collector of the first transistor Q2, the emitter of the second transistor Q1 is electrically connected to the input of the fuel quantity sensor, and the collector of the second transistor Q1 is electrically connected to the power supply unit
When the power supply control signal is transmitted to the first transistor Q1 through the second transistor Q2, the power switch control function of the oil sensor 150 can be realized. The output control subunit and the on-off control subunit in this application embodiment, mains voltage is stable when not only having guaranteed the power supply of oil sensor 150, but also can control oil sensor 150 and carry out intermittent type nature power supply to can effectually slow down oil sensor 150 vulcanization phenomenon.
in a preferred embodiment, as shown in fig. 2, the switch control subunit further includes a second capacitor C3, one end of the second capacitor C3 is grounded, the other end is electrically connected to the base of the second transistor Q2, and the second capacitor C3 is a filter capacitor and is mainly used to filter out ac components, reduce ac ripple factor, and make the output dc smoother.
In a preferred embodiment, the power supply control unit 140 may further include a reverse blocking subunit, wherein a negative electrode of the reverse blocking subunit is electrically connected to the base of the second transistor, and a positive electrode of the reverse blocking subunit is electrically connected to the input terminal of the oil amount sensor. Because the current in the anti-reverse subunit is rapidly increased under the action of the reverse voltage, the control subunit and the switch control subunit can be prevented from being damaged by the reverse current by adopting the anti-reverse subunit.
Specifically, as shown in fig. 2, the anti-reverse subunit may include a reverse diode D1, and the reverse diode D1 is a variation of a tunnel diode, and is a tunnel diode with a small peak current, which plays a good role in protecting the power supply control circuit. In the forward low voltage operation region, the tunneling current I is small, but under the reverse voltage operation, the current in the reverse diode D1 increases rapidly, and thus is commonly used for rectifying a small signal (e.g., 200 mV).
In a preferred embodiment, as shown in fig. 3, fig. 3 is a schematic view of a fuel quantity detection structure of a fuel tank according to an embodiment of the present application; the oil amount measuring device 110 may further include a power voltage sampling unit 160 and a resistance voltage dividing unit 170;
The input end of the power supply voltage sampling unit 160 is electrically connected with the power supply unit 120, the output end of the power supply voltage sampling unit 160 is electrically connected with the control unit 130, the power supply voltage of the power supply unit 120 is collected through the power supply voltage sampling unit 160, and the collected power supply voltage is transmitted to the control unit 130;
The input end of the resistance voltage division unit 170 is electrically connected with the output end of the oil sensor 150, the output end of the resistance voltage division unit 170 is electrically connected with the control unit 130, the output voltage of the oil sensor 150 is collected through the resistance voltage division unit 170, and the control unit 130 can calculate the oil amount in the target oil tank according to the power supply voltage and the output voltage.
In the power supply voltage sampling unit of the embodiment of the application, the resistance voltage dividing unit 170 samples the voltage at the input end of the power supply unit and the voltage at the output end of the oil quantity sensor, and can cover the voltage values of the oil quantity sensor and the power supply unit in a plurality of time states, so that the resistance value of the oil quantity sensor can be calculated more accurately according to the obtained sampling voltage.
Referring to fig. 4, fig. 4 is a schematic diagram of a power supply voltage sampling circuit according to an embodiment of the present disclosure; as shown in fig. 4, the fifth resistor R1 and the sixth resistor R3 are combined to form a resistor voltage divider circuit, the seventh resistor R2 serves as a current limiting function, the third capacitor C2 and the fourth capacitor C1 serve as a filtering function, and finally, the divided voltage is input to the control unit 130 for sampling and calculation, so as to calculate the power voltage value of the oil sensor 150.
referring to fig. 5, fig. 5 is a schematic diagram of a resistance voltage-dividing sampling circuit of the oil sensor 150 according to the embodiment of the present application; as shown in fig. 5, the eighth resistor R4 and the oil sensor 150 are combined to form a resistor voltage dividing circuit, and the resistors R7 and R8 are combined to form a resistor voltage dividing circuit; the fourth capacitor C4 has a filtering function; the final two-stage divided voltage is input to the control unit 130 for sampling and calculation, so as to calculate the output resistance value of the oil sensor 150.
The present application also provides a motorcycle comprising the oil amount measuring device 110 as in any one of the above embodiments; the output end of the power supply unit 120 is electrically connected to the input ends of the control unit 130 and the power supply control unit 140, respectively, so as to supply power to the control unit 130 and the power supply control unit 140 through the power supply unit 120, which is convenient for the control unit 130 and the power supply control unit 140 to perform corresponding control operations.
In addition, the input end of the power supply control unit 140 is electrically connected to the output end of the control unit 130, and the output end of the power supply control unit 140 is electrically connected to the input end of the oil sensor 150, so as to intermittently supply power to the oil sensor 150 according to the power supply control signal output by the control unit 130.
In the present application, after receiving the power supply control signal output by the control unit 130, the power supply control unit 140130 controls the oil sensor 150 to intermittently supply power according to the power supply control signal, so that the vulcanization phenomenon caused by the long-time operation of the oil sensor 150 can be avoided, the operating accuracy and the operating stability of the oil sensor 150 can be improved, and the measuring accuracy of the amount of oil in the target oil tank can be further improved; in addition, the technical scheme of the application can also prolong the service life of the oil sensor 150, save the cost and improve the market competitiveness.
In a preferred embodiment, the motorcycle further includes a display screen, the display screen is electrically connected to the oil amount measuring device 110, and after the specific oil amount is detected by the control unit 130 in the oil amount detecting device 110, the oil amount is displayed by using the display screen, so that the user can check the oil amount.
in the embodiment of the present application, the display screen may include an LED display screen or an LCD display screen.
As shown in fig. 6, fig. 6 is a flowchart of a fuel quantity measuring method according to an embodiment of the present application; the present application also provides a fuel amount measuring method applied to the fuel amount measuring device 110 according to any one of the above embodiments, and the fuel amount measuring method may include:
s110: the control unit determines the resistance value of the oil sensor according to the input voltage of the power supply control unit and the output voltage of the oil sensor;
s120: the control unit determines the oil quantity in the target oil tank according to the resistance value of the oil sensor.
Specifically, after the control unit 130 acquires the input voltage of the power supply control unit 140 and the output voltage of the oil sensor 150, that is, the output voltage of the power supply unit 120 and the output voltage of the oil sensor 150, through the power supply voltage sampling unit 160 and the resistance voltage dividing unit 170, respectively, the resistance value of the oil sensor 150 can be calculated according to the ratio between the output voltage of the power supply unit 120 and the output voltage of the oil sensor 150 and the value of the output current of the power supply unit 120, and after the resistance value of the oil sensor 150 is obtained, the oil level height in the oil tank can be linearly measured according to the resistance value, so as to detect the oil amount in the oil tank according to the volume of the oil tank.
Compared with the prior art, the oil quantity in the target oil tank is measured through the output voltage of the oil sensor 150 and the power supply voltage of the power supply unit 120, so that the detection precision of the oil quantity in the target oil tank can be improved, and the detection time can be saved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
in addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
the functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
the above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The oil mass measuring device is characterized by comprising a power supply control unit, an oil sensor, a power supply unit and a control unit;
the power supply unit is electrically connected with the control unit and is also electrically connected with an input end of the power supply control unit;
the input end of the power supply control unit is also electrically connected with the control unit so as to receive a power supply control signal output by the control unit;
the output end of the power supply control unit is electrically connected with the input end of the oil sensor so as to intermittently supply power to the oil sensor according to the power supply control signal.
2. The fuel quantity measuring device of claim 1, wherein said power supply control unit includes an output control subunit, a switch control subunit;
The input end of the output control subunit is electrically connected with the control unit to receive the power supply control signal;
The output end of the output control subunit is electrically connected with the input end of the switch control subunit, and the output end of the switch control subunit is electrically connected with the input end of the oil sensor, so that the switch control subunit intermittently supplies power to the oil sensor according to the power supply control signal.
3. The fuel quantity measuring device of claim 2, wherein said output control subunit includes a first resistor, and a first triode;
The input end of the first resistor is electrically connected with the control unit to receive the power supply control signal;
the output end of the first resistor is electrically connected with the base electrode of the first triode, the emitting electrode of the first triode is grounded, and the collecting electrode of the first triode is electrically connected with the input end of the switch control subunit.
4. The fuel quantity measuring device of claim 3 wherein said output control subunit further includes a filter protection circuit;
The input end of the filter protection circuit is electrically connected with the output end of the first resistor, and the output end of the filter protection circuit is grounded.
5. the fuel quantity measuring device of claim 3 wherein said switch control subunit includes a second transistor;
the base electrode of the second triode is electrically connected with the collector electrode of the first triode, the emitting electrode of the second triode is electrically connected with the input end of the oil quantity sensor, and the collector electrode of the second triode is electrically connected with the power supply unit.
6. the fuel quantity measuring device of claim 5, wherein said power supply control unit further comprises a reverse-prevention subunit;
The negative electrode of the reverse prevention subunit is electrically connected with the base electrode of the second triode, and the positive electrode of the reverse prevention subunit is electrically connected with the input end of the oil quantity sensor.
7. The fuel quantity measuring device of claim 1, further comprising a power supply voltage sampling unit and a resistance voltage dividing unit;
The input end of the power supply voltage sampling unit is electrically connected with the power supply unit, and the output end of the power supply voltage sampling unit is electrically connected with the control unit;
the input end of the resistance voltage division unit is electrically connected with the output end of the oil sensor, and the output end of the resistance voltage division unit is electrically connected with the control unit.
8. a motorcycle characterized by comprising the oil amount measuring device according to any one of claims 1 to 7.
9. a motorcycle as claimed in claim 8 further comprising a display screen electrically connected to the fuel gauge.
10. A fuel amount measuring method applied to a fuel amount measuring device according to any one of claims 1 to 7, comprising:
the control unit determines the resistance value of the oil sensor according to the input voltage of the power supply control unit and the output voltage of the oil sensor;
And the control unit determines the oil quantity in the target oil tank according to the resistance value of the oil sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980812.XA CN110579260A (en) | 2019-10-15 | 2019-10-15 | Oil quantity measuring device, oil quantity measuring method and motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980812.XA CN110579260A (en) | 2019-10-15 | 2019-10-15 | Oil quantity measuring device, oil quantity measuring method and motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110579260A true CN110579260A (en) | 2019-12-17 |
Family
ID=68815006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910980812.XA Pending CN110579260A (en) | 2019-10-15 | 2019-10-15 | Oil quantity measuring device, oil quantity measuring method and motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110579260A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603396Y (en) * | 2002-12-26 | 2004-02-11 | 上海南科电力遥测技术有限公司 | Three-phase multi-fee rate function controller |
| US20060042375A1 (en) * | 2004-08-27 | 2006-03-02 | Smiths Group Plc | Fluid-level sensing and fluid detection |
| CN201508203U (en) * | 2009-09-30 | 2010-06-16 | 重庆宝元森仪表制造有限公司 | Intelligent differential type flowmeter |
| CN101871804A (en) * | 2010-06-13 | 2010-10-27 | 奇瑞汽车股份有限公司 | Method and device for displaying fuel quantity |
| CN201725734U (en) * | 2010-04-23 | 2011-01-26 | 维尔斯电子(昆山)有限公司 | Time-controlled power switch |
| CN102042861A (en) * | 2009-10-21 | 2011-05-04 | 厦门雅迅网络股份有限公司 | Method and device for acquiring fuel quantity data in fuel tank of vehicle |
| CN206876841U (en) * | 2017-06-01 | 2018-01-12 | 金卡智能集团股份有限公司 | A kind of gas meter, flow meter power supply voltage detecting circuit |
| CN208968608U (en) * | 2018-08-17 | 2019-06-11 | 湖南常德德山表业有限公司 | A kind of novel NB Internet of Things water meter |
-
2019
- 2019-10-15 CN CN201910980812.XA patent/CN110579260A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603396Y (en) * | 2002-12-26 | 2004-02-11 | 上海南科电力遥测技术有限公司 | Three-phase multi-fee rate function controller |
| US20060042375A1 (en) * | 2004-08-27 | 2006-03-02 | Smiths Group Plc | Fluid-level sensing and fluid detection |
| CN201508203U (en) * | 2009-09-30 | 2010-06-16 | 重庆宝元森仪表制造有限公司 | Intelligent differential type flowmeter |
| CN102042861A (en) * | 2009-10-21 | 2011-05-04 | 厦门雅迅网络股份有限公司 | Method and device for acquiring fuel quantity data in fuel tank of vehicle |
| CN201725734U (en) * | 2010-04-23 | 2011-01-26 | 维尔斯电子(昆山)有限公司 | Time-controlled power switch |
| CN101871804A (en) * | 2010-06-13 | 2010-10-27 | 奇瑞汽车股份有限公司 | Method and device for displaying fuel quantity |
| CN206876841U (en) * | 2017-06-01 | 2018-01-12 | 金卡智能集团股份有限公司 | A kind of gas meter, flow meter power supply voltage detecting circuit |
| CN208968608U (en) * | 2018-08-17 | 2019-06-11 | 湖南常德德山表业有限公司 | A kind of novel NB Internet of Things water meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2007026514A1 (en) | Insulating resistance detection apparatus | |
| CN206223315U (en) | A kind of temperature transducer of low-power consumption | |
| CN105699904A (en) | Battery voltage detecting circuit and method | |
| CN211627772U (en) | Small-size aluminium air battery monitored control system | |
| CN108759977B (en) | Immersion detection device | |
| CN113513823B (en) | Control device and method for fresh air filter unit and fresh air filter unit | |
| CN201607522U (en) | Device for detecting electric quantity of dry battery using voltage method | |
| CN110579260A (en) | Oil quantity measuring device, oil quantity measuring method and motorcycle | |
| CA2848626C (en) | Circuit for a small electric appliance with an accumulator and method for measuring a charging current | |
| CN204154789U (en) | Automobile storage battery trigger voltage metering circuit | |
| CN205377333U (en) | Battery measurement circuit and razor and barbering device's drive circuit | |
| CN204008534U (en) | Air purifier filter screen testing circuit | |
| CN103197249A (en) | Low power consumption detection circuit for battery power | |
| CN210428572U (en) | Key circuit and automobile key using same | |
| CN108957348A (en) | A kind of battery capacity evaluation method of low cost | |
| CN211426729U (en) | Fire detection alarm electric quantity detection circuit and fire detection alarm | |
| CN210071058U (en) | Liquid level detection system and detector thereof | |
| CN202383264U (en) | Battery voltage detection circuit and device | |
| CN202453108U (en) | Simple temperature measurement circuit | |
| CN204575740U (en) | A kind of intelligent electric meter | |
| CN204347967U (en) | Double-power intelligent water meter | |
| CN220064953U (en) | Oil quantity reminding system and electric tool | |
| CN213309228U (en) | Food processing machine | |
| CN207303282U (en) | Power shortage of car storage battery warning device | |
| CN203798896U (en) | Zero crossing detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |