CN114061703A - Oil level monitoring and alarming device for automobile hydraulic system - Google Patents
Oil level monitoring and alarming device for automobile hydraulic system Download PDFInfo
- Publication number
- CN114061703A CN114061703A CN202111361340.3A CN202111361340A CN114061703A CN 114061703 A CN114061703 A CN 114061703A CN 202111361340 A CN202111361340 A CN 202111361340A CN 114061703 A CN114061703 A CN 114061703A
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- oil
- floating plate
- oil tank
- rod
- monitoring
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- 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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
- G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
- G01F23/683—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means using electromechanically actuated indicating means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to the technical field of automobile oil level monitoring devices, in particular to an oil level monitoring alarm device of an automobile hydraulic system, which comprises an oil tank, an oil supply pipe and an oil inlet pipe, wherein the oil tank is internally provided with an oil inlet cavity, an oil storage cavity and an oil discharge cavity, the oil inlet pipe and the oil supply pipe are respectively communicated with the oil inlet cavity and the oil discharge cavity, and a filter plate is filled between the oil discharge cavity and the oil storage cavity, and the oil level monitoring alarm device also comprises: the monitoring system is arranged in the oil tank and used for monitoring the oil level in the oil tank; the monitor is arranged on the oil tank; the alarm is also arranged on the oil tank and is electrically connected with the monitor and the monitoring system; the influence of floating impurities on the driving effect of the automobile is avoided, and related maintenance personnel do not need to regularly check and clean the impurities in the oil tank.
Description
Technical Field
The invention relates to the technical field of automobile oil level monitoring devices, in particular to an oil level monitoring and alarming device for an automobile hydraulic system.
Background
With the gradual improvement of the living standard and the increasing requirements of people on automobiles, the requirements of safety and convenience become the requirements of modern people gradually along with the change of automobile technology. Hydraulic systems are one of the important components of a motor vehicle, wherein they allow the level of oil in the vehicle tank to be monitored in real time.
Traditional car oil level control adopts the oil level in the electronic monitoring component real-time supervision oil tank more, because often mix with a large amount of showy class impurity in the petrol, needs the staff regularly to clear up the oil tank, otherwise influences the normal drive work of car easily.
Disclosure of Invention
The invention aims to provide an oil level monitoring and alarming device for an automobile hydraulic system, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a car hydraulic system oil level monitoring alarm device, includes the oil tank, supplies oil pipe and advances oil pipe, be equipped with into oil chamber, oil storage chamber and oil extraction chamber in the oil tank, advance oil pipe and supply oil pipe respectively with advance oil chamber and arrange oil chamber intercommunication, arrange and fill between oil chamber and the oil storage chamber and have the filter plate, still include:
the monitoring system is arranged in the oil tank and used for monitoring the oil level in the oil tank;
the monitor is arranged on the oil tank; and
the alarm is also arranged on the oil tank and is electrically connected with the monitor and the monitoring system; wherein
The monitoring system includes:
the guide rod is arranged in the oil storage cavity;
the first floating plate is movably arranged on the guide rod;
the second floating plate is also movably arranged on the guide rod, and the first floating plate is connected with the second floating plate through a telescopic structure;
the impurity removing module is arranged between the first floating plate and the second floating plate and used for cleaning floaters in the gasoline; and
and the measuring module is arranged in the oil storage cavity and used for monitoring the positions of the first floating plate and the second floating plate.
The application further adopts the technical scheme that: the telescopic structure comprises a movable rod, a fixed rod and an elastic piece;
one end of the movable rod is movably inserted into the fixed rod, the movable rod is connected with the fixed rod through the elastic piece, and the first floating plate and the second floating plate are connected through the movable rod and the fixed rod.
The application further adopts the technical scheme that: the impurity removing module comprises:
the fixed seat is arranged in the oil tank and is penetrated by the guide rod;
the middle position of the filter screen is hinged in the oil tank, and a torsional spring is arranged at the hinged position of the filter screen;
the touch rod is arranged on the second floating plate, and the filter screen is positioned on the moving path of the touch rod;
the discharge channel is arranged in the fixed seat, and a discharge groove communicated with the discharge channel is also arranged on the fixed seat; and
the valve unit is arranged on the fixed seat and can control the opening and closing of the blanking groove, and the first floating plate can control the valve unit to work when moving to a set position.
The application further adopts the technical scheme that: the discharge channel is obliquely arranged relative to the fixed seat.
This application still further technical scheme: the valve unit comprises a plugging plate and a through hole, the plugging plate is movably arranged on the fixing seat and is elastically connected with the fixing seat, the through hole is formed in the plugging plate, and the discharge groove is located on a moving path of the through hole.
This application still further technical scheme: the measurement module includes:
the measuring box is arranged in the oil tank;
the guide post is arranged in the measuring box;
the sliding seat is movably sleeved on the guide pillar, a clockwork spring connected with the sliding seat is arranged on the measuring box, and the sliding seat is connected with the second floating plate through a soft piece; and
and the feedback unit is arranged between the sliding seat and the guide post and used for feeding back the position of the sliding seat to the monitor, and when the sliding seat reaches a set position, the alarm can be controlled to work through the monitor.
This application still further technical scheme: the feedback unit comprises a resistor strip and a conducting strip, the resistor strip is arranged on the guide post, the conducting strip is arranged on the sliding seat and is in sliding fit with the resistor strip, and the conducting strip, the resistor strip and the monitor are electrically connected.
Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the oil level in the oil tank can be monitored in real time by arranging the second floating plate and the measuring module, the oil level can be fed back to a driver objectively, and meanwhile, the second floating plate can control the position of the filter screen by utilizing the touch rod, so that floating impurities floating on the surface of gasoline can be automatically collected and discharged out of the oil tank in the oil level descending process, the driving effect of an automobile is prevented from being influenced by the floating impurities, and related maintenance personnel do not need to check and clear the impurities in the oil tank regularly.
Drawings
FIG. 1 is a schematic structural diagram of an oil level monitoring and alarming device of an automobile hydraulic system in an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a telescopic structure in an oil level monitoring and alarming device of an automobile hydraulic system in an embodiment of the invention;
FIG. 3 is an enlarged schematic structural diagram of a position A in the oil level monitoring alarm device of the automobile hydraulic system in the embodiment of the invention;
FIG. 4 is a schematic structural diagram of a measuring module in the oil level monitoring and alarming device of the automobile hydraulic system in the embodiment of the invention;
fig. 5 is a schematic structural diagram of a second floating plate and a roller in the oil level monitoring and alarming device of the hydraulic system of the automobile in the embodiment of the invention.
The reference numerals in the schematic drawings illustrate:
1-oil tank, 2-oil inlet pipe, 3-oil supply pipe, 4-monitor, 5-alarm, 6-first floating plate, 7-guide rod, 8-telescopic structure, 81-movable rod, 82-fixed rod, 83-tension spring, 9-filter screen, 10-second floating plate, 11-fixed seat, 12-roller, 13-plugging plate, 14-through hole, 15-blanking groove, 16-discharging channel, 17-measuring module, 171-measuring box, 172-guide post, 173-sliding seat, 174-spring, 175-resistance bar, 176-conducting strip, 177-nylon rope and 178-fixed pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.
Referring to fig. 1-5, in an embodiment of the present application, an oil level monitoring and alarming device for a hydraulic system of an automobile includes an oil tank 1, an oil supply pipe 3 and an oil inlet pipe 2, an oil inlet chamber, an oil storage chamber and an oil discharge chamber are arranged in the oil tank 1, the oil inlet pipe 2 and the oil supply pipe 3 are respectively communicated with the oil inlet chamber and the oil discharge chamber, and a filter plate is filled between the oil discharge chamber and the oil storage chamber, and the oil level monitoring and alarming device further includes:
the monitoring system is arranged in the oil tank 1 and used for monitoring the oil level in the oil tank 1;
the monitor 4 is arranged on the oil tank 1; and
the alarm 5 is also arranged on the oil tank 1 and is electrically connected with the monitor 4 and the monitoring system; wherein
The monitoring system includes:
the guide rod 7 is arranged in the oil storage cavity;
the first floating plate 6 is movably arranged on the guide rod 7;
the second floating plate 10 is also movably arranged on the guide rod 7, and the first floating plate 6 is connected with the second floating plate 10 through a telescopic structure 8;
the impurity removing module is arranged between the first floating plate 6 and the second floating plate 10 and used for cleaning floaters in the gasoline; and
and the measuring module 17 is arranged in the oil storage cavity and used for monitoring the positions of the first floating plate 6 and the second floating plate 10.
In the present embodiment, the telescopic structure 8 includes a movable rod 81, a fixed rod 82 and an elastic member;
one end of the movable rod 81 is movably inserted in the fixed rod 82, the movable rod 81 and the fixed rod 82 are connected through an elastic member, and the movable rod 81 and the fixed rod 82 connect the first floating plate 6 and the second floating plate 10.
It should be particularly noted that the elastic member may be replaced by a spring, a spring plate, or an elastic steel plate structure, in this embodiment, the elastic member is preferably a tension spring 83, and the tension spring 83 is connected between the fixed rod 82 and the movable rod 81, and is not particularly limited herein.
When practical application, can pour into petrol into to the oil storage intracavity through advancing oil pipe 2, under the buoyancy effect, can drive first kickboard 6 and second kickboard 10 and shift up along guide arm 7, through setting up the filter plate, can avoid impurity entering to arrange the oil intracavity and cause the jam of fuel feed pipe 3, when petrol is consumed and lead to the oil level in the oil storage intracavity to descend, can separate and get rid of oil tank 1 with the impurity of floating class automatic and petrol through arranging miscellaneous module, can measure the position of second kickboard 10 in real time through measuring module 17, thereby obtain the position of oil level, when the position of oil level reaches low expectation and eminence expectation, measuring module 17 acts on and controls 5 work suggestion navigating mate of alarm with monitor 4.
Referring to fig. 1, fig. 2, fig. 3 and fig. 5, as another preferred embodiment of the present application, the impurity removing module includes:
the fixed seat 11 is arranged in the oil tank 1 and is penetrated by the guide rod 7;
the middle position of the filter screen 9 is hinged in the oil tank 1, and a torsional spring is arranged at the hinged position of the filter screen 9;
the touch rod is arranged on the second floating plate 10, and the filter screen 9 is positioned on the moving path of the touch rod;
the discharge channel 16 is arranged in the fixed seat 11, and the fixed seat 11 is also provided with a blanking groove 15 communicated with the discharge channel 16; and
and the valve unit is arranged on the fixed seat 11 and can control the opening and closing of the blanking groove 15, and the first floating plate 6 can control the valve unit to work when moving to a set position.
In a particular case of this embodiment, the discharge channel 16 is arranged obliquely with respect to the holder 11.
It should be added that one end of the abutting rod is movably provided with a roller 12, and the roller 12 is in sliding fit with the filter screen 9.
In another specific case of this embodiment, the valve unit includes a blocking plate 13 and a through hole 14, the blocking plate 13 is movably disposed on the fixing base 11 and elastically connected to the fixing base, the through hole 14 is disposed on the blocking plate 13, and the discharge groove is located on a moving path of the through hole 14.
In the state as shown in fig. 1, gasoline is filled into the oil storage tank 1 through the oil inlet pipe 2, under the action of the buoyancy of the gasoline, the first floating plate 6 and the second floating plate 10 are driven to move upwards along the guide rod 7, at the moment, the roller 12 is gradually separated from the filter screen 9, under the action of the elastic restoring force of the torsion spring, one side of the filter screen 9, which is in contact with the roller 12, is lifted upwards until the roller 12 and the filter screen 9 are completely separated, when the first floating plate 6 is in contact with the fixed seat 11, the gasoline submerges the first floating plate 6 and is in contact with the second floating plate 10, under the action of the tension spring 83, the movable rod 81 moves relative to the fixed rod 82 to drag the second floating plate 10 to move upwards continuously, in the whole process, the position of the second floating plate 10 in the oil storage cavity is measured in real time through the measuring module 17, when the second floating plate 10 reaches the preset low expected value and the high expected value in the oil storage cavity, the measuring module 17 and the monitor 4 act on controlling the alarm 5 to prompt a driver, when the oil level reduces, the floater on petrol surface falls on filter screen 9, through the extrusion of gyro wheel 12 to filter screen 9, make filter screen 9 return to the state shown in fig. 1, when petrol liquid level is less than first kickboard 6 and makes first kickboard 6 move down, coincidence between through-hole 14 and the feed chute 15, make showy class impurity on the filter screen 9 slide into in discharging channel 16 along feed chute 15 under the filter screen 9 effect of slope, finally discharge in the relevant recovery vessel (not drawn in the picture) from oil tank 1, thereby can replace the floating class impurity of staff in with petrol to clear away, avoid the drive effect of impurity influence later stage car, degree of automation is high.
Referring to fig. 1 and 4, as another preferred embodiment of the present application, the measurement module 17 includes:
a measurement tank 171 provided in the oil tank 1;
a guide column 172 disposed in the measuring chamber 171;
the sliding seat 173 is movably sleeved on the guide post 172, a spring 174 connected with the sliding seat 173 is arranged on the measuring box 171, and the sliding seat 173 is connected with the second floating plate 10 through a soft piece; and
and a feedback unit disposed between the sliding seat 173 and the guide pillar 172 for feeding back the position of the sliding seat 173 to the monitor 4, wherein when the sliding seat 173 reaches a set position, the operation of the alarm 5 can be controlled by the monitor 4.
In the present embodiment, the feedback unit includes a resistor 175 and a conductive strip 176, the resistor 175 is disposed on the guide pillar 172, the conductive strip 176 is disposed on the sliding seat 173 and is in sliding fit with the resistor 175, and the conductive strip 176, the resistor 175 and the monitor 4 are electrically connected.
The flexible member may be, but is not limited to, a belt or a rubber band, and in this embodiment, the flexible member is preferably a nylon cord 177, and the nylon cord 177 is connected between the sliding seat 173 and the second floating plate 10.
It should be added that the measuring box 171 is provided with a fixed pulley 178, and the fixed pulley 178 is in sliding fit with the nylon rope 177.
Of course, the feedback unit in this embodiment is not limited to the above-mentioned mechanical alternative structure, and a manner of directly measuring the positions of the first floating plate 6 and the second floating plate 10 by using an infrared distance measuring sensor or a laser distance measuring sensor may also be adopted, which is not specifically limited herein.
When second kickboard 10 reciprocated along guide arm 7, effect through nylon rope 177, can drive sliding seat 173 and remove along guide pillar 172, as shown in fig. 4, according to the oil level height in the oil storage chamber, sliding seat 173 is located the different positions on guide pillar 172, thereby make conducting strip 176 and the different position contact on the resistance strip 175, change the resistance value size of the circuit that monitor 4 was located, through setting for two resistance extreme values in advance, when the resistance of the circuit that monitor 4 was located reached extreme value, trigger alarm 5 work and report to the police, thereby indicate that the oil level in driver's oil tank 1 reaches the highest value or minimum, the driver can learn the vehicle oil storage condition in real time, avoid the driving in-process half way to lack oil.
The working principle of the application is as follows:
gasoline is filled into the oil storage tank 1 through the oil inlet pipe 2, the first floating plate 6 and the second floating plate 10 are driven to move upwards along the guide rod 7 under the action of the buoyancy of the gasoline, at the moment, the roller 12 is gradually separated from the filter screen 9, under the action of the elastic restoring force of the torsion spring, one side of the filter screen 9, which is in contact with the roller 12, is lifted upwards until the roller 12 and the filter screen 9 are completely separated, when the first floating plate 6 is in contact with the fixed seat 11, the gasoline submerges the first floating plate 6 and is in contact with the second floating plate 10, under the action of the tension spring 83, the movable rod 81 moves relative to the fixed rod 82 and drags the second floating plate 10 to move upwards continuously, in the whole process, the position of the second floating plate 10 in the oil storage cavity is measured in real time through the measuring module 17, and when the second floating plate 10 moves upwards and downwards along the guide rod 7, the sliding seat 173 can be driven to move along the guide post 172 under the action of the nylon rope 177, as shown in figure 4, according to the height of the oil level in the oil storage cavity, the sliding seat 173 is positioned at different positions on the guide post 172, so that the conductive sheet 176 is in contact with different positions on the resistor strip 175, the resistance value of a circuit where the monitor 4 is positioned is changed, two resistance extreme values are set in advance, when the resistance of the circuit where the monitor 4 is positioned reaches the extreme values, the alarm 5 is triggered to work and give an alarm, so that the oil level in the oil tank 1 of a driver is prompted to reach the highest value or the lowest value, the driver can know the oil storage condition of the vehicle in real time, half way oil shortage in the driving process is avoided, when the oil level is reduced, floating objects on the surface of gasoline fall on the filter screen 9, the filter screen 9 returns to the state shown in figure 1 through extrusion of the roller 12 on the filter screen 9, when the liquid level of the gasoline is lower than that the first floating plate 6 moves downwards, the through holes 14 and the blanking slots 15 are overlapped, so that floating impurities on the filter screen 9 slide into the blanking slots 15 into the discharge channel 16 under the action of the inclined filter screen 9, finally, the gasoline is discharged into a related recovery container (not shown in the figure) from the gasoline tank 1, so that floating impurities in the gasoline can be removed by workers, the influence of the impurities on the driving effect of later-stage automobiles is avoided, and the degree of automation is high.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a car hydraulic system oil level monitoring alarm device, includes the oil tank, supplies oil pipe and advances oil pipe, be equipped with oil feed chamber, oil storage chamber and oil extraction chamber in the oil tank, advance oil pipe and supply oil pipe respectively with oil feed chamber and oil extraction chamber intercommunication, it has the filter plate to fill between oil extraction chamber and the oil storage chamber, its characterized in that still includes:
the monitoring system is arranged in the oil tank and used for monitoring the oil level in the oil tank;
the monitor is arranged on the oil tank; and
the alarm is also arranged on the oil tank and is electrically connected with the monitor and the monitoring system; wherein
The monitoring system includes:
the guide rod is arranged in the oil storage cavity;
the first floating plate is movably arranged on the guide rod;
the second floating plate is also movably arranged on the guide rod, and the first floating plate is connected with the second floating plate through a telescopic structure;
the impurity removing module is arranged between the first floating plate and the second floating plate and used for cleaning floaters in the gasoline; and
and the measuring module is arranged in the oil storage cavity and used for monitoring the positions of the first floating plate and the second floating plate.
2. The automotive hydraulic system oil level monitoring and warning device as claimed in claim 1, wherein the telescopic structure comprises a movable rod, a fixed rod and an elastic member;
one end of the movable rod is movably inserted into the fixed rod, the movable rod is connected with the fixed rod through the elastic piece, and the first floating plate and the second floating plate are connected through the movable rod and the fixed rod.
3. The automotive hydraulic system oil level monitoring and warning device of claim 1, wherein the impurity removal module comprises:
the fixed seat is arranged in the oil tank and is penetrated by the guide rod;
the middle position of the filter screen is hinged in the oil tank, and a torsional spring is arranged at the hinged position of the filter screen;
the touch rod is arranged on the second floating plate, and the filter screen is positioned on the moving path of the touch rod;
the discharge channel is arranged in the fixed seat, and a discharge groove communicated with the discharge channel is also arranged on the fixed seat; and
the valve unit is arranged on the fixed seat and can control the opening and closing of the blanking groove, and the first floating plate can control the valve unit to work when moving to a set position.
4. The oil level monitoring and alarming device of the hydraulic system of the automobile as recited in claim 3, wherein the discharge channel is obliquely arranged relative to the fixed seat.
5. The oil level monitoring and alarming device of the hydraulic system of the automobile as claimed in claim 3 or 4, wherein the valve unit comprises a blocking plate and a through hole, the blocking plate is movably arranged on the fixed seat and is elastically connected with the fixed seat, the through hole is arranged on the blocking plate, and the discharge groove is positioned on the moving path of the through hole.
6. The automotive hydraulic system oil level monitoring and warning device of claim 1, wherein the measuring module comprises:
the measuring box is arranged in the oil tank;
the guide post is arranged in the measuring box;
the sliding seat is movably sleeved on the guide pillar, a clockwork spring connected with the sliding seat is arranged on the measuring box, and the sliding seat is connected with the second floating plate through a soft piece; and
and the feedback unit is arranged between the sliding seat and the guide post and used for feeding back the position of the sliding seat to the monitor, and when the sliding seat reaches a set position, the alarm can be controlled to work through the monitor.
7. The oil level monitoring and alarming device of the hydraulic system of the automobile as claimed in claim 6, wherein the feedback unit comprises a resistor strip and a conductive strip, the resistor strip is arranged on the guide post, the conductive strip is arranged on the sliding seat and is in sliding fit with the resistor strip, and the conductive strip, the resistor strip and the monitor are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111361340.3A CN114061703B (en) | 2021-11-17 | 2021-11-17 | Oil level monitoring alarm device of automobile hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111361340.3A CN114061703B (en) | 2021-11-17 | 2021-11-17 | Oil level monitoring alarm device of automobile hydraulic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114061703A true CN114061703A (en) | 2022-02-18 |
| CN114061703B CN114061703B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111361340.3A Active CN114061703B (en) | 2021-11-17 | 2021-11-17 | Oil level monitoring alarm device of automobile hydraulic system |
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| Country | Link |
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| CN (1) | CN114061703B (en) |
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| CN213515866U (en) * | 2020-11-24 | 2021-06-22 | 玉溪世强科技有限公司 | Water level sensing device capable of preventing impurity interference |
| CN214502618U (en) * | 2021-05-06 | 2021-10-26 | 辽宁杰润化工产品生产有限公司 | Transformer oil level detection device |
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2021
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|---|---|---|---|---|
| CN203116808U (en) * | 2013-03-15 | 2013-08-07 | 浙江正泰汽车零部件有限公司 | Automobile oil level sensor |
| CN205117561U (en) * | 2015-06-25 | 2016-03-30 | 盐城思隆机电有限公司 | Split type oil tank |
| CN205228592U (en) * | 2015-12-17 | 2016-05-11 | 南京大全变压器有限公司 | Adjustable connecting rod suitable for transformer pointer -type oil meter |
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| Publication number | Publication date |
|---|---|
| CN114061703B (en) | 2023-07-21 |
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