CN211696573U

CN211696573U - Oil level monitoring device

Info

Publication number: CN211696573U
Application number: CN202020685261.2U
Authority: CN
Inventors: 张继云; 梁任雪; 侍书画; 刘兆萄; 朱春明
Original assignee: Nanjing Zhihe Electronic Technology Co ltd
Current assignee: Nanjing Zhihe Electronic Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-10-16
Anticipated expiration: 2030-04-28

Abstract

The application discloses oil level monitoring devices, this oil level monitoring devices includes: the oil level monitoring device comprises a shell, a sensor and a controller, wherein the shell is internally provided with a monitoring device for monitoring the oil level, and one end of the shell is arranged in an opening; the end cover is arranged at the opening end of the shell, and the joint of the end cover and the shell is arranged in a sealing manner; the pressure sensor is embedded on the shell and connected with the monitoring device; and the heat-shrinkable sleeve is sleeved on the pressure sensor, and sealant is filled between the heat-shrinkable sleeve and the shell. The problem of solve among the correlation technique poor seal performance of oil level monitoring devices is solved in this application.

Description

Oil level monitoring device

Technical Field

The application relates to an oil level monitoring field particularly, relates to an oil level monitoring device.

Background

The fuel level monitoring is the actual need of engineering machinery equipment, designs a high-tech product of research and development, and functions such as collection oil level collection, data analysis, bluetooth data transmission, simple to operate are integrated, can carry out real-time monitoring and analysis to equipment oil consumption process, and it is applicable to trades such as commodity circulation, engineering machinery and uses in various transportation or construction environment, is the indispensable monitoring devices of engineering machinery. The oil level monitoring device comprises an electronic element, and sinks into an oil tank when in use, and the oil level monitoring device in the related art has poor sealing performance, so that the oil can permeate into the monitoring device after long-time use, and the problems of damage and incapability of use are caused.

Aiming at the problem of poor sealing performance of an oil level monitoring device in the related art, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main objective of this application is to provide an oil level monitoring device to solve the relatively poor problem of oil level monitoring device leakproofness in the correlation technique.

In order to achieve the above object, the present application provides an oil level monitoring device including: the oil level monitoring device comprises a shell, a sensor and a controller, wherein the shell is internally provided with a monitoring device for monitoring the oil level, and one end of the shell is arranged in an opening; the end cover is arranged at the opening end of the shell, and the joint of the end cover and the shell is arranged in a sealing manner; the pressure sensor is embedded on the shell and connected with the monitoring device; and the heat-shrinkable sleeve is sleeved on the pressure sensor, and sealant is filled between the heat-shrinkable sleeve and the shell.

Furthermore, the open end of the shell is provided with a first connecting portion in a step shape, the end of the end cover is provided with a second connecting portion in a step shape corresponding to the first connecting portion, the second connecting portion is sleeved on the first connecting portion, and the connecting portion of the first connecting portion and the second connecting portion is arranged in a sealing mode.

Further, the joint of the first connecting part and the second connecting part is welded.

Further, the oil level monitoring device is characterized by further comprising a sealing ring embedded on the shell, the joint of the sealing ring and the shell is hermetically arranged, the pressure sensor is arranged in the sealing ring, and a sealant is filled between the heat-shrinkable sleeve and the sealing ring.

Further, the joint of the sealing ring and the shell is welded.

Further, the upper end of the sealing ring is provided with a first overlapping portion, a groove is formed in the shell, the sealing ring is arranged in the groove, a second overlapping portion which is overlapped with the first overlapping portion is arranged in the groove, and the connecting portion of the sealing ring and the groove is welded.

Furthermore, the shell is filled with sealant, and the inner side of the end cover is bonded with the inner side of the shell through the sealant.

Furthermore, the end cover is provided with a ventilation groove communicated with the inside of the shell, and a plug used for plugging the ventilation groove is arranged in the ventilation groove.

Furthermore, the ventilation groove comprises a groove body and a ventilation column arranged in the groove body, a ventilation hole is formed in the ventilation column along the axial direction, and a plugging piece is arranged at one end, facing the ventilation hole, of the plug and is inserted into the ventilation hole.

Furthermore, one end, far away from the shell, of the ventilating column extends out of the end face of the groove body, one end, facing the ventilating column, of the plug is provided with an annular plugging ring, and the plugging ring is sleeved on the outer side of the ventilating column.

In the embodiment of the application, the monitoring that is used for monitoring the oil level through the monitoring devices who installs in the casing and realizes the oil level, the one end installation end cover of casing, the junction adoption of end cover and casing is sealed the setting, pressure sensor inlays and establishes on the casing, heat-shrinkable tube is established to the cover on the pressure sensor, sealed glue is filled in the clearance between heat-shrinkable tube and the casing, the junction to casing and end cover has been reached, pressure sensor and the equal sealed purpose of casing junction, thereby realized improving oil level monitoring devices's leakproofness technological effect, and then solved in the correlation technique that oil level monitoring devices leakproofness is relatively poor, lead to inside oil can permeate monitoring devices after long-time use, cause the problem of damaging and unable use.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic cross-sectional structural view according to an embodiment of the present application;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic diagram of a front view structure according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a side view configuration according to an embodiment of the present application;

the device comprises a pressure sensor 1, a second lap joint part 2, a first lap joint part 3, a sealant 4, a heat-shrinkable sleeve 5, a sealing ring 6, a power supply device 7, a shell 8, a monitoring controller 9, a first connecting part 10, a second connecting part 11, air holes 12, an air permeable column 13, an end cover 14, a sealing ring 15, a sealing piece 16, a plug 17, an air permeable groove 18 and a positioning groove 19.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used.

In this application, the terms "upper", "lower", "inside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," and the like are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 4, an embodiment of the present application provides an oil level monitoring device, including: the oil level monitoring device comprises a shell 8, wherein a monitoring device for monitoring the oil level is arranged in the shell 8, and one end of the shell 8 is arranged in an opening; the end cover 14 is arranged at the opening end of the shell 8, and the joint of the end cover 14 and the shell 8 is arranged in a sealing manner; the pressure sensor 1 is embedded on the shell 8 and connected with the monitoring device; the pressure sensor comprises a heat-shrinkable sleeve 5, wherein the heat-shrinkable sleeve 5 is sleeved on the pressure sensor 1, and a sealant 4 is filled between the heat-shrinkable sleeve 5 and a shell 8.

In this embodiment, the housing 8 is made of corrosion-resistant material, one end of the housing 8 is open, the monitoring device is installed in the housing 8 through the open end of the housing 8, the monitoring device is used for monitoring the oil level of the oil tank, the monitoring device comprises a power supply device 7, a communication device and a monitoring controller 9, the power supply device 7 is used for supplying power to the whole monitoring device, the communication device is used for transmitting monitoring data, the monitoring controller 9 is used for controlling the power supply device 7 and the communication device, the pressure sensor 1 is electrically connected with the monitoring device and is used for acquiring pressure change data in the oil tank and transmitting the pressure change data to the monitoring controller 9, the pressure sensor 1 can adopt a hydraulic sensor or a pressure sensor with better sensitivity, after the monitoring device is installed in the housing 8, the end cover 14 is buckled at the open end of the housing 8 and is sealed, thereby realizing the, the pressure sensor 1 is embedded on the shell body 8, a gap is arranged between the pressure sensor 1 and the shell body 8 when the pressure sensor is installed, the sealing treatment mode of the gap is that the pressure sensor 1 is sleeved with the heat-shrinkable sleeve 5, the outer side of the information receiving end of the pressure sensor 1 is round, so that the pressure sensor can be jointed with the inner side of the heat-shrinkable sleeve 5, and the heat-shrinkable sleeve 5 can shrink after being heated so as to be tightly attached to the outer side of the pressure sensor 1, so that the sealing effect is achieved, the sealant 4 is filled between the heat-shrinkable sleeve 5 and the shell 8, the sealant 4 can be epoxy glue, therefore, the gap between the pressure sensor 1 and the shell 8 is sealed, the connection between the pressure sensor 1 and the shell 8 and the connection between the opening end of the shell 8 and the end cover 14 are sealed, the whole structure of the oil level monitoring device is sealed, and oil is prevented from permeating into the oil level monitoring device when the oil level monitoring device is used.

As shown in fig. 1 to 4, a first connection portion 10 having a step shape is disposed at an opening end of the housing 8, a second connection portion 11 having a step shape corresponding to the first connection portion 10 is disposed at an end of the end cover 14, the second connection portion 11 is sleeved on the first connection portion 10, and a connection portion between the first connection portion 10 and the second connection portion 11 is welded.

Specifically, it should be noted that the first connecting portion 10 and the second connecting portion 11 are in a matched stepped structure, so that the connecting surface of the end cover 14 and the opening end of the housing 8 is in a bent shape, thereby increasing the connecting area and improving the sealing performance, and the first connecting portion 10 and the second connecting portion 11 are also in a sealing arrangement, and the sealing manner is a laser plastic welding process.

As shown in fig. 1 to 4, the oil level monitoring device further comprises a sealing ring 6 embedded on the shell 8, the joint of the sealing ring 6 and the shell 8 is sealed, the pressure sensor 1 is arranged in the sealing ring 6, a sealant 4 is filled between the heat-shrinkable sleeve 5 and the sealing ring 6, and the joint of the sealing ring 6 and the shell 8 is welded.

Specifically, it should be noted that the sealing ring 6 is embedded on the housing 8, the pressure sensor 1 is installed in the housing 8, the gap between the pressure sensor 1 and the sealing ring 6 is sealed by sleeving the heat shrinkable sleeve 5 and filling the sealant 4 between the heat shrinkable sleeve 5 and the sealing ring 6, the gap between the sealing ring 6 and the housing 8 is sealed by a welding method, and the welding can adopt a laser plastic welding process.

As shown in fig. 1 to 4, the upper end of the sealing ring 6 is provided with a first overlapping portion 3, the shell 8 is internally provided with a groove, the sealing ring 6 is arranged in the groove, the groove is internally provided with a second overlapping portion 2 overlapping with the first overlapping portion 3, and the joint of the sealing ring 6 and the groove is welded.

Specifically, it should be noted that, 2 overlap joints of first overlap joint portion 3 on the sealing ring 6 and the second overlap joint portion in the recess, thereby make the connection of first overlap joint portion 3 and second overlap joint portion 2 personally submit and buckle, the connection area increases, thereby improve the leakproofness of sealing ring 6 and recess after installation sealing ring 6, first overlap joint portion 3 can be for setting up the loop configuration in sealing ring 6 upper end, second overlap joint portion 2 is for setting up the loop configuration in the recess inboard, first overlap joint portion 3 and second overlap joint portion 2 respectively with

sealing ring

6 and 8 integrated into one piece of casing, the clearance between sealing ring 6 and the recess is through welded seal, the welding can adopt laser plastic welding process.

As shown in fig. 1 to 4, the case 8 is filled with the sealant 4, and the inner side of the end cap 14 is bonded to the inner side of the case 8 by the sealant 4.

Specifically, it should be noted that the sealant 4 filled in the casing 8 can further protect the internal electronic components, improve the sealing performance, and also prevent the internal electronic components from being corroded by the oil after the oil permeates, and the inner side of the end cap 14 and the inner side of the casing 8 can be bonded by the filled sealant 4, so as to further improve the sealing performance at the joint of the end cap 14 and the casing 8.

As shown in fig. 1 to 4, the end cap 14 is provided with a ventilation groove 18 communicating with the inside of the housing 8, and a plug 17 for plugging the ventilation groove 18 is provided in the ventilation groove 18.

Specifically, it should be noted that the manner of filling the sealant 4 inside the casing 8 is to inject the sealant 4 from the open end of the casing 8, then cover the end cover 14, then inject the sealant 4 into the air permeable groove 18 of the end cover 14, insert the plug 17 into the air permeable groove 18 injected with the sealant 4, by this structure, when the end cover 14 is installed, the problem that the sealant 4 overflows due to the fact that the air in the casing 8 compresses the sealant 4 at the joint between the end cover 14 and the casing 8 is avoided, the plug 17 and the air permeable groove 18 are sealed by the sealant 4, and meanwhile, the joint between the plug 17 and the air permeable groove 18 is welded, thereby further improving the sealing performance.

As shown in fig. 1 to 4, the ventilation groove 18 includes a groove body and a ventilation column 13 disposed in the groove body, a ventilation hole 12 is axially disposed in the ventilation column 13, a blocking piece 16 is disposed at one end of the plug 17 facing the ventilation hole 12, the blocking piece 16 is inserted into the ventilation hole 12, the ventilation column 13, the groove body and the end cover 14 are integrally formed, and after the plug 17 is inserted into the ventilation groove 18, the blocking piece 16 is inserted into the ventilation hole 12, so that the sealing performance of the plug 17 is further improved.

As shown in fig. 1 to 4, one end of the ventilation column 13, which is far away from the housing 8, extends out of the end surface of the groove body, one end of the plug 17, which faces the ventilation column 13, is provided with an annular plugging ring 15, the plugging ring 15 is sleeved outside the ventilation column 13, the plugging ring 15 and the plug 17 are integrally formed, when the plug 17 is inserted into the ventilation groove 18, the plugging piece 16 is inserted into the ventilation hole 12, the plugging ring 15 is sleeved outside the ventilation column 13, and the sealing performance is improved by the plugging ring 15.

As shown in fig. 1 to 4, the inside of the groove body is provided with a positioning groove 19 along the radial direction, the plug 17 is provided with a positioning portion corresponding to the positioning groove 19, and the plug 17 is positioned in the groove body through the positioning groove 19, so that the plug 17 is prevented from rotating in the groove body and affecting the sealing effect.

The above description is only a preferred embodiment of the present application and is not intended to limit 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.

Claims

1. An oil level monitoring device, comprising:

the oil level monitoring device comprises a shell, a sensor and a controller, wherein the shell is internally provided with a monitoring device for monitoring the oil level, and one end of the shell is arranged in an opening;

the end cover is arranged at the opening end of the shell, and the joint of the end cover and the shell is arranged in a sealing manner;

the pressure sensor is embedded on the shell and is connected with the monitoring device;

and the heat-shrinkable sleeve is sleeved on the pressure sensor, and sealant is filled between the heat-shrinkable sleeve and the shell.

2. The oil level monitoring device according to claim 1, wherein the open end of the housing is provided with a first connection portion in a step shape, the end of the end cover is provided with a second connection portion in a step shape corresponding to the first connection portion, the second connection portion is sleeved on the first connection portion, and the connection position of the first connection portion and the second connection portion is arranged in a sealing manner.

3. The oil level monitoring device of claim 2, wherein the junction of the first and second connection portions is welded.

4. The oil level monitoring device according to any one of claims 1 to 3, further comprising a sealing ring embedded in the housing, wherein the joint of the sealing ring and the housing is sealed, the pressure sensor is arranged in the sealing ring, and a sealant is filled between the heat-shrinkable sleeve and the sealing ring.

5. The oil level monitoring device of claim 4, wherein the seal ring is welded to the housing at the junction.

6. The oil level monitoring device according to claim 4, wherein the upper end of the sealing ring is provided with a first overlapping portion, the housing is provided with a groove, the sealing ring is arranged in the groove, the groove is provided with a second overlapping portion overlapping the first overlapping portion, and the joint of the sealing ring and the groove is welded.

7. The oil level monitoring device according to any one of claims 1 to 3, wherein the housing is filled with a sealant, and the inside of the end cap is bonded to the inside of the housing by the sealant.

8. The oil level monitoring device according to claim 7, wherein the end cover is provided with a ventilation groove communicated with the interior of the housing, and a plug for plugging the ventilation groove is arranged in the ventilation groove.

9. The oil level monitoring device according to claim 8, wherein the ventilation groove comprises a groove body and a ventilation column arranged in the groove body, a ventilation hole is axially formed in the ventilation column, and a plugging piece is arranged at one end, facing the ventilation hole, of the plug and inserted into the ventilation hole.

10. The oil level monitoring device according to claim 9, wherein one end of the air-permeable column, which is far away from the housing, extends out of the end surface of the tank body, and one end of the plug, which faces the air-permeable column, is provided with an annular blocking ring which is sleeved outside the air-permeable column.