CN114061703B - Oil level monitoring alarm device of automobile hydraulic system - Google Patents
Oil level monitoring alarm device of automobile hydraulic system Download PDFInfo
- Publication number
- CN114061703B CN114061703B CN202111361340.3A CN202111361340A CN114061703B CN 114061703 B CN114061703 B CN 114061703B CN 202111361340 A CN202111361340 A CN 202111361340A CN 114061703 B CN114061703 B CN 114061703B
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- Prior art keywords
- oil
- floating plate
- oil tank
- rod
- monitor
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—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
-
- 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
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 an oil inlet cavity, an oil storage cavity and an oil discharge cavity are arranged in the oil tank, the oil inlet pipe and the oil supply pipe are respectively communicated with the oil inlet cavity and the oil discharge cavity, a filter plate is filled between the oil discharge cavity and the oil storage cavity, and the oil level monitoring alarm device further comprises: the monitoring system is arranged in the oil tank and is 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; avoid floating type impurity and influence the driving effect of car, and need not relevant maintainer and regularly carry out inspection and clearance work to the impurity 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 alarm device of an automobile hydraulic system.
Background
With the gradual improvement of the living standard of automobile technology, the requirements of people on automobiles are higher and higher, and the safety and convenience are gradually becoming the requirements of modern people. The hydraulic system is one of the important components of the automobile, wherein the hydraulic system can monitor the oil level in the automobile oil tank in real time.
Traditional car oil level control adopts electronic monitoring element real-time supervision oil level in the oil tank more, because often mix with a large amount of showy class impurity in the petrol, needs the staff to clear up the oil tank regularly, otherwise influences the normal drive work of car easily.
Disclosure of Invention
The invention aims to provide an oil level monitoring and alarming device of an automobile hydraulic system, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an automobile hydraulic system oil level monitoring alarm device, includes oil tank, oil feed pipe and advances oil pipe, be equipped with oil inlet chamber, oil storage chamber and oil extraction chamber in the oil tank, advance oil pipe and oil feed pipe respectively with oil inlet chamber and oil extraction chamber intercommunication, it has the filter plate to fill between oil extraction chamber and the oil storage chamber, still includes:
the monitoring system is arranged in the oil tank and is 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 method comprises the steps of
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 and the second floating plate are connected through a telescopic structure;
the impurity removal module is arranged between the first floating plate and the second floating plate and is 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 an elastic piece, and the movable rod is connected with the first floating plate and the second floating plate through the fixed rod.
The application further adopts the technical scheme that: the impurity removal module includes:
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 torsion spring is arranged at the hinge position of the filter screen;
the contact resisting rod is arranged on the second floating plate, and the filter screen is positioned on the moving path of the contact resisting rod;
the discharging channel is arranged in the fixed seat, and a discharging groove communicated with the discharging channel is also arranged on the fixed seat; and
the valve unit is arranged on the fixing seat and can control the opening and closing of the blanking groove, and the valve unit can be controlled to work when the first floating plate moves to a set position.
The application further adopts the technical scheme that: the discharging channel is obliquely arranged relative to the fixing seat.
The application further adopts the technical scheme that: the valve unit comprises a plugging plate and a through hole, wherein 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 the moving path of the through hole.
The application further adopts the technical scheme that: 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 post, a 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 is used for feeding back the position of the sliding seat to the monitor, and when the sliding seat reaches the set position, the monitor can control the alarm to work.
The application further adopts the technical scheme that: the feedback unit comprises a resistor strip and a conducting strip, wherein 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 through the cooperation between the second floating plate and the measuring module, and can be objectively fed back to a driver, and meanwhile, the second floating plate can also control the position of the filter screen by utilizing the contact rod, so that floating impurities floating on the surface of the 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 are not required to regularly check and clean the impurities in the oil tank.
Drawings
FIG. 1 is a schematic diagram of a structure 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 view of the structure of the A-position of the oil level monitoring and alarming device of the automobile hydraulic system in the embodiment of the invention;
fig. 4 is a schematic structural diagram of a measurement module in an oil level monitoring and alarming device of an automobile hydraulic system in an embodiment of the invention;
fig. 5 is a schematic structural diagram of a second floating plate and rollers in the oil level monitoring and alarming device of the automobile hydraulic system in the embodiment of the invention.
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-extension spring, 9-filter screen, 10-second floating plate, 11-fixed seat, 12-roller, 13-shutoff plate, 14-through hole, 15-blanking groove, 16-discharge channel, 17-measuring module, 171-measuring box, 172-guide pillar, 173-sliding seat, 174-spring, 175-resistor strip, 176-conducting plate, 177-nylon rope, 178-fixed pulley.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, based on the embodiments of the present invention are within the scope of the present invention, and the present invention is further described below with reference to the embodiments.
Referring to fig. 1-5, in one embodiment of the present application, an oil level monitoring and alarming device for an automobile hydraulic system includes an oil tank 1, an oil supply pipe 3 and an oil inlet pipe 2, an oil inlet cavity, an oil storage cavity and an oil discharge cavity are disposed in the oil tank 1, the oil inlet pipe 2 and the oil supply pipe 3 are respectively communicated with the oil inlet cavity and the oil discharge cavity, a filter plate is filled between the oil discharge cavity and the oil storage cavity, and the device further includes:
the monitoring system is arranged in the oil tank 1 and is used for monitoring the oil level in the oil tank 1;
a monitor 4 provided 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 method comprises the steps of
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 and the second floating plate 10 are connected through a telescopic structure 8;
the impurity removal module is arranged between the first floating plate 6 and the second floating plate 10 and is used for cleaning floating matters in gasoline; and
and a measuring module 17, which is arranged in the oil storage cavity and is 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 into the fixed rod 82, the movable rod 81 is connected with the fixed rod 82 through an elastic piece, and the movable rod 81 and the fixed rod 82 connect the first floating plate 6 with the second floating plate 10.
It should be noted that, 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, which is not limited herein.
During practical application, gasoline can be filled into the oil storage cavity through the oil inlet pipe 2, under buoyancy effect, can drive first kickboard 6 and second kickboard 10 and move along guide arm 7, through setting up the filter plate, can avoid impurity to get into the oil drain intracavity and cause the jam of oil feed pipe 3, when gasoline is consumed and lead to the oil level in the oil storage cavity to descend, can separate and get rid of oil tank 1 with petrol voluntarily with the impurity of floating type through the trash removal 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 place expected value and high place expected value, measuring module 17 and monitor 4 effect and control alarm 5 work suggestion navigating mate.
Referring to fig. 1, 2, 3 and 5, as another preferred embodiment of the present application, the impurity removal module includes:
the fixed seat 11 is arranged in the oil tank 1 and penetrated by the guide rod 7;
the middle position of the filter screen 9 is hinged in the oil tank 1, and a torsion spring is arranged at the hinge position of the filter screen 9;
the abutting rod is arranged on the second floating plate 10, and the filter screen 9 is positioned on the moving path of the abutting rod;
the discharging channel 16 is arranged in the fixed seat 11, and the fixed seat 11 is also provided with a discharging groove 15 communicated with the discharging channel 16; 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 valve unit can be controlled to work when the first floating plate 6 moves to a set position.
In a specific case of the present embodiment, the discharge channel 16 is arranged obliquely with respect to the holder 11.
It should be noted that, one end of the abutting rod is movably provided with a roller 12, and the roller 12 is slidably matched with the filter screen 9.
In another specific case of this embodiment, the valve unit includes a plugging plate 13 and a through hole 14, where the plugging plate 13 is movably disposed on the fixing seat 11 and is elastically connected to the fixing seat 11, the through hole 14 is disposed on the plugging plate 13, and the discharge slot is located on a moving path of the through hole 14.
In the state shown in fig. 1, 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 supporting 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 contacted with the roller 12 is lifted upwards until the roller 12 is completely separated from the filter screen 9, when the first floating plate 6 is contacted with the fixed seat 11, the gasoline floods the first floating plate 6 and contacts 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, the position of the second floating plate 10 in the oil storage cavity is measured in real time through the measuring module 17 in the whole process, when the second floating plate 10 reaches the low expected value and the high expected value in the oil storage cavity which are set in advance, the measuring module 17 acts on the monitor 4 and controls the alarm 5 to work so as to prompt a driver, when the oil level is reduced, floaters on the surface of the gasoline fall on the filter screen 9, the filter screen 9 is extruded by the roller 12 so as to return to the state shown in fig. 1, when the liquid level of the gasoline is lower than that of the first floating plate 6, the first floating plate 6 moves downwards, the through holes 14 are overlapped with the blanking groove 15, floating impurities on the filter screen 9 slide into the discharging channel 16 along the blanking groove 15 under the action of the inclined filter screen 9, and finally are discharged into a relevant recovery container (not shown in the drawing) from the oil tank 1, so that the floating impurities in the gasoline can be removed instead of the workers, the driving effect of a later automobile is prevented from being influenced by the impurities, and the degree of automation is high.
Referring to fig. 1 and 4, as another preferred embodiment of the present application, the measuring module 17 includes:
a measurement tank 171 provided in the oil tank 1;
a guide post 172 disposed within the measurement box 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
the feedback unit is disposed between the sliding seat 173 and the guide post 172, and is used for feeding back the position of the sliding seat 173 to the monitor 4, and when the sliding seat 173 reaches the set position, the monitor 4 can control the alarm 5 to work.
In this embodiment, the feedback unit includes a resistor strip 175 and a conductive sheet 176, the resistor strip 175 is disposed on the guide post 172, the conductive sheet 176 is disposed on the sliding seat 173 and slidingly engaged with the resistor strip 175, and the conductive sheet 176, the resistor strip 175 and the monitor 4 are electrically connected.
The flexible member may be, without limitation, a belt or a rubber band, and in this embodiment, is preferably a nylon rope 177, and the nylon rope 177 is connected between the sliding seat 173 and the second floating plate 10.
It should be noted that, the measuring box 171 is provided with a fixed pulley 178, and the fixed pulley 178 is slidably engaged with the nylon rope 177.
Of course, the feedback unit in the present embodiment is not limited to the above-described 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 ranging sensor or a laser ranging sensor may be adopted, which is not particularly limited herein.
When the second floating plate 10 moves up and down along the guide rod 7, the sliding seat 173 can be driven to move along the guide post 172 through the action of the nylon rope 177, as shown in fig. 4, according to the oil level height 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 contacts with different positions on the resistor strip 175, the resistance value of the circuit where the monitor 4 is positioned is changed, and through setting two resistance extreme values in advance, when the resistance of the circuit where the monitor 4 is positioned reaches the extreme value, the alarm 5 is triggered to work and alarm, thereby prompting the oil level in the oil tank 1 of the driver to reach the highest value or the lowest value, and the driver can learn the oil storage condition of the vehicle in real time, so that the half-way oil shortage in the driving process is avoided.
The working principle of the application is as follows:
the oil tank 1 is filled with gasoline 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 supporting buoyancy of the gasoline, at the moment, the roller 12 is gradually separated from the filter screen 9, one side of the filter screen 9 contacted with the roller 12 is lifted upwards under the action of the elastic restoring force of the torsion spring until the roller 12 and the filter screen 9 are completely separated, when the first floating plate 6 is contacted with the fixed seat 11, the gasoline floods the first floating plate 6 and contacts with the second floating plate 10, the movable rod 81 moves relative to the fixed rod 82 under the action of the tension spring 83 to drag the second floating plate 10 to continue to move upwards, the position of the second floating plate 10 in the oil storage cavity is measured in real time through the measuring module 17 in the whole process, 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 through the action of the torsion spring 177, as shown in fig. 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 contacts with different positions on the resistor strip 175, the resistance value of the circuit where the monitor 4 is positioned is changed, by setting two resistance extreme values in advance, when the resistance of the circuit where the monitor 4 is positioned reaches the extreme value, the alarm 5 is triggered to give an alarm, thereby prompting the driver that the oil level in the oil tank 1 reaches the highest value or the lowest value, the driver can know the oil storage condition of the vehicle in real time, the half-way oil shortage is avoided in the driving process, when the oil level is reduced, the floating object on the surface of the gasoline falls on the filter screen 9, the filter screen 9 is pressed by the roller 12, so that the filter screen 9 returns to the state shown in fig. 1, when the liquid level of the gasoline is lower than the first floating plate 6 is caused by the first floating plate 6, the through hole 14 coincides with the lower trough 15, the floating impurities on the filter screen 9 slide into the discharging channel 16 along the blanking groove 15 under the action of the inclined filter screen 9, and finally are discharged into a relevant recovery container (not shown in the figure) from the oil tank 1, so that the floating impurities in the gasoline can be removed by replacing workers, the driving effect of the later-stage automobile is prevented from being influenced by the impurities, and the degree of automation is high.
The invention and its embodiments have been described above by way of illustration and not limitation, and the invention is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present invention.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides an automobile hydraulic system oil level monitoring alarm device, includes oil tank, oil feed pipe and advances oil pipe, be equipped with oil inlet chamber, oil storage chamber and oil extraction chamber in the oil tank, advance oil pipe and oil feed pipe respectively with oil inlet 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 is 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 method comprises the steps of
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 and the second floating plate are connected through a telescopic structure;
the impurity removal module is arranged between the first floating plate and the second floating plate and is used for cleaning floaters in the gasoline; 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 impurity removal module includes:
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 torsion spring is arranged at the hinge position of the filter screen;
the contact resisting rod is arranged on the second floating plate, and the filter screen is positioned on the moving path of the contact resisting rod;
the discharging channel is arranged in the fixed seat, and a discharging groove communicated with the discharging 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 valve unit can be controlled to work when the first floating plate moves to a set position;
the discharging channel is obliquely arranged relative to the fixed seat;
the valve unit comprises a plugging plate and a through hole, wherein 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 the moving path of the through hole.
2. The vehicle hydraulic system oil level monitoring and warning device according to claim 1, characterized in that 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 an elastic piece, and the movable rod is connected with the first floating plate and the second floating plate through the fixed rod.
3. The vehicle hydraulic system oil level monitoring alarm device of claim 1 wherein the measurement 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 post, a 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 is used for feeding back the position of the sliding seat to the monitor, and when the sliding seat reaches the set position, the monitor can control the alarm to work.
4. The oil level monitoring and alarming device of the automobile hydraulic system according to claim 3, wherein 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.
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 |
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| Publication Number | Publication Date |
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| CN114061703A CN114061703A (en) | 2022-02-18 |
| CN114061703B true CN114061703B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111361340.3A Active CN114061703B (en) | 2021-11-17 | 2021-11-17 | Oil level monitoring alarm device of automobile hydraulic system |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213090902U (en) * | 2020-07-06 | 2021-04-30 | 河南吉荣建筑工程有限公司 | Water level alarm device for hydraulic engineering |
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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 |
| CN206002173U (en) * | 2016-08-30 | 2017-03-08 | 悦兴（厦门）生物科技有限公司 | A kind of automotive oil tank liquid level sensor |
| GB2561530B (en) * | 2017-01-20 | 2022-01-12 | Bamford Excavators Ltd | A fuel filter |
| US10634102B2 (en) * | 2018-09-06 | 2020-04-28 | Trico Group, LLC | Fuel pump assembly |
| CN211504327U (en) * | 2020-03-23 | 2020-09-15 | 陈光荣 | Reservoir water level monitoring alarm device |
| CN212903463U (en) * | 2020-07-21 | 2021-04-06 | 云南麟鼎科技有限公司 | Water level monitoring device for hydraulic engineering |
| 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 |
| CN112378496A (en) * | 2020-11-30 | 2021-02-19 | 董德达 | Can prevent liquid level measurement device in cistern that water spills over |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213090902U (en) * | 2020-07-06 | 2021-04-30 | 河南吉荣建筑工程有限公司 | Water level alarm device for hydraulic engineering |
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