Liquid level detection device and vehicle
The liquid level detection device, consisting of a base, rotating component, circuit board, and float, utilizes the float to drive the rotating component to rotate, and the static and dynamic sensing components are connected to solve the problem of insufficient sensitivity in liquid level detection devices, thus achieving real-time and accurate detection of liquid level height.
Patent Information
- Application Number
- CN202423193787.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing liquid level detection devices have poor sensitivity during use, resulting in a delay in displaying the liquid level height value.
It adopts a combination structure of base, rotating component, circuit board, float and connector. The rotating component is driven by the float connector to rotate relative to the base. The stationary sensing component and the moving sensing component on the circuit board are connected to sense each other and output different detection signals. When the float height changes, it drives the moving sensing component to sense the stationary sensing component, reducing sensing contact delay and improving detection sensitivity.
It improves the real-time performance and accuracy of liquid level detection, enabling rapid response and accurate measurement of liquid level.
Smart Images
Figure CN223565074U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to liquid level measurement technical field, specifically, relate to a liquid level detection device and vehicle. BACKGROUND
[0002] The liquid level detection device is used for measuring the liquid level height of liquid in a container, so that the height value of the liquid level can be displayed on the device, and the height value of the liquid level is fed back to the user to determine the liquid storage in the container and assist in displaying the running state of the container. SUMMARY
[0003] The utility model discloses a liquid level detection device and vehicle, improve liquid level height detection sensitivity, realize the purpose of detecting liquid level height, improve the real-time and accuracy of liquid level height detection.
[0004] The utility model discloses a liquid level detection device, which comprises:
[0005] A base is provided with a static induction piece;
[0006] A rotating piece is rotatably connected to the base;
[0007] A circuit board is fixedly connected to the rotating piece, and a plurality of dynamic induction pieces are arranged on one side of the circuit board close to the base.
[0008] A float is arranged on the circuit board;
[0009] A connecting piece is fixedly connected to the rotating piece, one end of the connecting piece is rotatably connected to the base, and the other end of the connecting piece away from the base is connected to the float.
[0010] When the rotating piece rotates relative to the base, any dynamic induction piece is inductively connected to the static induction piece, and the circuit board can output a detection signal.
[0011] A control unit is connected to the signal output end of the circuit board, so that the detection signal output by the circuit board is converted into a liquid level signal.
[0012] In one possible embodiment of the utility model, the base is provided with a rotating column, the rotating column is provided with a rotating groove, and the rotating piece is rotatably connected to the rotating groove.
[0013] In one possible implementation of the present application, the rotating member is provided with a rotating shaft, the rotating shaft is inserted into the rotating groove, and the rotating shaft is rotationally connected with the rotating groove.
[0014] In one possible implementation of the present application, the rotating shaft is provided with a first mounting hole, the connecting member is inserted into the first mounting hole, and the connecting member is movably connected with the rotating groove.
[0015] In one possible implementation of the present application, the circuit board is provided with a second mounting hole, and the circuit board is sleeved on the rotating shaft through the second mounting hole.
[0016] In one possible implementation of the present application, a plurality of dynamic sensing members are arranged on the circuit board in a circumferential direction around the second mounting hole.
[0017] In one possible implementation of the present application, the center line of the second mounting hole is arranged in line with the center line of the first mounting hole.
[0018] In one possible implementation of the present application, the circuit board is arranged between the base and the rotating member.
[0019] In one possible implementation of the present application, the rotating member and the base define a cavity, and the circuit board is arranged in the cavity.
[0020] The second aspect of the present application provides a vehicle comprising the liquid level detection device in any one of the above embodiments.
[0021] Compared with the prior art, the liquid level detection device and the vehicle provided by the present application have the following beneficial effects: when the liquid level height changes, the rotating member is driven to move by the float connecting member, so that the rotating member rotates relative to the base, the static sensing member of the base and any one dynamic sensing member of the circuit board are inductive connection to output different detection signals, when the height of the float changes, the dynamic sensing member can drive the static sensing member to inductive connection, reducing the situation that the dynamic sensing member and the static sensing member do not inductive contact in time, improving the liquid level height detection sensitivity, the detection signal is used for corresponding different liquid level height, the control unit is used for realizing parameter conversion between the detection signal and the liquid level signal, and then realizing the purpose of detecting the liquid level height, improving the real-time performance and accuracy of the liquid level height detection. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those skilled in the art, other related drawings can be obtained without creative labor on the premise of the drawings.
[0023] Figure 1 A perspective structural schematic view of the liquid level detection device provided in some embodiments of the present application is shown in the figure.
[0024] Figure 2 A perspective assembly schematic view of the liquid level detection device provided in some embodiments of the present application is shown in the figure.
[0025] Figure 3 A structure schematic view of the circuit board of the liquid level detection device provided in some embodiments of the present application is shown in the figure.
[0026] Figure 4 A structure schematic view of the base of the liquid level detection device provided in some embodiments of the present application is shown in the figure.
[0027] Figure 5 A circuit principle schematic view of the liquid level detection device provided in some embodiments of the present application is shown in the figure.
[0028] Main element symbol explanation.
[0029] 100-liquid level detection device; 110-base; 111-static induction piece; 112-rotation column; 1121-rotation groove; 120-rotation piece; 121-rotation shaft; 122-first mounting hole; 130-circuit board; 131-dynamic induction piece; 132-second mounting hole; 140-float; 150-connection piece. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.
[0031] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.
[0032] It should be noted that like reference numerals and letters refer to like items in the several views, and that no further definitions and explanations of a certain item are required in the subsequent drawings once the item has been defined in one drawing.
[0033] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship commonly placed when the utility model product is used, and is merely for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are merely used for differentiation in description and cannot be understood as indicating or implying relative importance.
[0034] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0035] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0036] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and the features in the examples can be combined with each other.
[0037] Example 1
[0038] Reference Figure 1 and Figure 2 As shown in
[0039] Specifically, combined with Figure 2 and Figure 3As shown in the figure, the base 110 is provided with a static induction element 111, the rotating element 120 is rotationally connected with the base 110, the circuit board 130 is fixedly connected with the rotating element 120, a plurality of dynamic induction elements 131 are provided on the side of the circuit board 130 close to the base 110, and the plurality of dynamic induction elements 131 are arranged in parallel to form an array circuit. The connecting element 150 is fixedly connected with the rotating element 120, one end of the connecting element 150 is rotationally connected with the base 110, and the other end of the connecting element 150 away from the base 110 is connected with the float 140.
[0040] In this embodiment, as shown in the figure, Figure 1 When the rotating element 120 rotates relative to the base 110, any one of the dynamic induction elements 131 is inductive connection with the static induction element 111, and the circuit board 130 can output a detection signal. The signal input end of the control unit is connected with the signal output end of the circuit board 130, so that the detection signal output by the circuit board 130 is converted into a liquid level signal. When the liquid level height changes, the float 140 drives the connecting element 150 to move the rotating element 120, so that the rotating element 120 rotates relative to the base 110. The static induction element 111 of the base 110 is inductive connection with any one of the dynamic induction elements 131 of the circuit board 130 to output different detection signals. When the height of the float 140 changes, the float 140 can drive the dynamic induction element 131 to be inductive connection with the static induction element 111, so as to reduce the situation that the dynamic induction element 131 and the static induction element 111 are not in time inductive contact, improve the liquid level height detection sensitivity, and the detection signal is used for corresponding different liquid level height. The control unit is used for realizing parameter conversion between the detection signal and the liquid level signal, and then realizing the purpose of detecting the liquid level height.
[0041] For example, as shown in the figure, Figure 5 The plurality of dynamic induction elements 131 form a potentiometer, so that the plurality of dynamic induction elements 131 control the current or voltage in the circuit by changing the resistance value, so as to output the detection signal. The detection signal can represent the change of physical quantity.
[0042] It should be noted that, as shown in the figure, Figure 5 The signal input end of the control unit is used for receiving the detection signal and can process and analyze the detection signal. The detection signal is converted into the liquid level signal and output. For example, the control unit includes a controller, the detection signal can be an electrical signal, of course, the detection signal can also be other signals, for example, the detection signal can be a digital signal, and the detection signal can also be an analog signal, which is not limited here.
[0043] The controller can include an integrated circuit chip having a signal processing capability. The controller can be a general-purpose processor including a central processing unit (CPU), a single-chip microcomputer, a micro control unit (MCU), a complex programmable logic device (CPLD), a field programmable gate array (FPGA), an application-specific integrated circuit (ASIC), an embedded ARM, or the like.
[0044] In one embodiment, as shown in Figure 2 and Figure 4 , the base 110 is provided with a rotating column 112, the rotating column 112 is provided with a rotating groove 1121, the rotating member 120 is rotationally connected with the rotating groove 1121. Correspondingly, the rotating groove 1121 of the rotating column 112 is used for connecting the rotating member 120, so that the rotating member 120 rotates around the rotating groove 1121, and the rotating member 120 drives the circuit board 130 to rotate, so that the plurality of dynamic sensing members 131 of the circuit board 130 move relative to the static sensing member 111 respectively. When any one of the dynamic sensing members 131 corresponds to one static sensing member 111, it can sense and output a detection signal, so as to achieve the purpose of measuring the liquid level.
[0045] Optionally, as shown in Figure 2 , the rotating member 120 is provided with a rotating shaft 121, the rotating shaft 121 is inserted into the rotating groove 1121, and the rotating shaft 121 is rotationally connected with the rotating groove 1121. The rotating shaft 121 corresponds to the rotating groove 1121, and the rotating member 120 rotates around the rotating shaft 121.
[0046] In one embodiment, as shown in Figure 1 and Figure 2 , the circuit board 130 is arranged between the base 110 and the rotating member 120. The circuit board 130 is connected with the rotating member 120, the rotating member 120 drives the circuit board 130 to rotate relatively, so that the circuit board 130 can be inductively connected with the static sensing member 111 on the base 110, and has a better technical effect.
[0047] In summary, when the liquid level of the liquid level detection device 100 changes, the float 140 drives the rotating member 120 through the connecting member 150 to rotate the rotating member 120 relative to the base 110, and the static induction member 111 of the base 110 is inductively connected with any one of the dynamic induction members 131 of the circuit board 130 to output different detection signals. When the height of the float 140 changes, the float 140 can drive the dynamic induction member 131 to inductively connect with the static induction member 111, reducing the situation that the dynamic induction member 131 and the static induction member 111 do not inductively contact in time, improving the liquid level detection sensitivity. The detection signal is used to correspond to different liquid levels, and the control unit is used to realize parameter conversion between the detection signal and the liquid level signal, thereby realizing the purpose of detecting the liquid level, and improving the real-time performance and accuracy of the liquid level detection.
[0048] Embodiment 2
[0049] Referring to Figures 1 to 3 As shown in the drawings, the embodiments of the present application provide another liquid level detection device 100, which comprises a base 110, a rotating member 120, a circuit board 130, a float 140, a connecting member 150, and a control unit.
[0050] Specifically, in combination with Figure 2 and Figure 3 As shown in the drawings, the base 110 is provided with a static induction member 111, the rotating member 120 is rotationally connected with the base 110, the circuit board 130 is fixedly connected with the rotating member 120, a plurality of dynamic induction members 131 are arranged on the side of the circuit board 130 close to the base 110, and the plurality of dynamic induction members 131 are arranged in parallel to form an array circuit. The connecting member 150 is fixedly connected with the rotating member 120, one end of the connecting member 150 is rotationally connected with the base 110, and the other end of the connecting member 150 away from the base 110 is connected with the float 140. As Figure 1As shown, when the rotating member 120 rotates relative to the base 110, any one of the dynamic sensing members 131 is inductively connected with the static sensing member 111, and the circuit board 130 can output a detection signal. The signal input end of the control unit is connected with the signal output end of the circuit board 130, so that the detection signal output by the circuit board 130 is converted into a liquid level signal. When the liquid level height changes, the float 140 drives the rotating member 120 to move through the connecting member 150, so that the rotating member 120 rotates relative to the base 110. The static sensing member 111 of the base 110 is inductively connected with any one of the dynamic sensing members 131 of the circuit board 130 to output different detection signals. When the height of the float 140 changes, the float 140 can drive the dynamic sensing member 131 to be inductively connected with the static sensing member 111, so as to reduce the situation that the dynamic sensing member 131 and the static sensing member 111 are not inductively connected in time, improve the liquid level height detection sensitivity, and the detection signal is used to correspond to different liquid level heights. The control unit is used to realize parameter conversion between the detection signal and the liquid level signal, so as to realize the purpose of detecting the liquid level height.
[0051] In one embodiment, optionally, as shown in Figure 2 and Figure 4 As shown, the base 110 is provided with a rotating column 112, the rotating column 112 is provided with a rotating groove 1121, and the rotating member 120 is rotationally connected with the rotating groove 1121. Correspondingly, the rotating groove 1121 of the rotating column 112 is used to connect the rotating member 120, so that the rotating member 120 rotates relative to the rotating groove 1121. The rotating member 120 drives the circuit board 130 to rotate, so that the plurality of dynamic sensing members 131 of the circuit board 130 move relative to the static sensing member 111 respectively. When any one of the dynamic sensing members 131 corresponds to one static sensing member 111, the dynamic sensing member 131 can be inductively connected and output a detection signal, so as to achieve the purpose of measuring the liquid level height.
[0052] Optionally, as shown in Figure 2 As shown, the rotating member 120 is provided with a rotating shaft 121, the rotating shaft 121 is inserted into the rotating groove 1121, and the rotating shaft 121 is rotationally connected with the rotating groove 1121. The rotating shaft 121 corresponds to the rotating groove 1121, and the rotating member 120 rotates around the rotating shaft 121. Exemplarily, the rotating member 120 is in a disc structure.
[0053] In the present application, the rotating member 120 has a preset rotation angle Q relative to the base 110, which satisfies: 50°≤Q≤130°, that is, the preset rotation angle Q of the rotating member 120 relative to the base 110 is greater than or equal to 50°, the rotating member 120 drives the circuit board 130 to rotate, and the position of the static induction piece 111 remains unchanged, so that the plurality of dynamic induction pieces 131 of the circuit board 130 are respectively and inductively connected with the static induction piece 111 on the base 110, sufficient space can be reserved for the plurality of dynamic induction pieces 131 to prevent the spacing of the plurality of dynamic induction pieces 131 from being too small to affect the inductive sensitivity of the dynamic induction piece 131 and the static induction piece 111. In addition, the preset rotation angle Q of the rotating member 120 relative to the base 110 is less than or equal to 130°, which on the one hand ensures the rotation range of the rotating member 120 during relative rotation, and on the other hand prevents the preset rotation angle from being too large to affect the accuracy of detecting the liquid level when the float 140 moves up and down with the change of the liquid level.
[0054] Optionally, as shown in Figure 2 , the rotating shaft 121 is provided with a first mounting hole 122, the connecting piece 150 penetrates the first mounting hole 122, and the connecting piece 150 is movably connected with the rotating groove 1121. Correspondingly, the connecting piece 150 penetrates the rotating member 120 through the first mounting hole 122. Further, the connecting piece 150 is a connecting rod, the bending part of the connecting rod penetrates the first mounting hole 122, and the bending part is movably connected with the rotating groove 1121, so that the connecting rod rotates relative to the base 110, and the connecting rod drives the rotating member 120 to move during rotation.
[0055] In one embodiment, optionally, as shown in Figure 2 and Figure 3 , the circuit board 130 is provided with a second mounting hole 132, and the circuit board 130 is sleeved on the rotating shaft 121 through the second mounting hole 132. Correspondingly, the second mounting hole 132 of the circuit board 130 corresponds to the rotating shaft 121, so that the rotating member 120 drives the circuit board 130 to rotate when the rotating member 120 rotates, and the plurality of dynamic induction pieces 131 on the circuit board 130 are inductively connected with the static induction piece 111 in sequence.
[0056] Further, as shown in Figure 3 , a plurality of the dynamic induction pieces 131 are arranged on the circumference of the circuit board 130 around the second mounting hole 132, so that the plurality of dynamic induction pieces 131 are located on the circumference of the circuit board 130, so as to facilitate the inductive connection between the plurality of dynamic induction pieces 131 and the static induction piece 111 when the circuit board 130 rotates.
[0057] Optionally, referring to Figure 2As shown, the center line of the second mounting hole 132 is arranged in line with the center line of the first mounting hole 122, so as to rotate the rotating member 120 and the circuit board 130 coaxially, enable the plurality of dynamic induction members 131 of the circuit board 130 to contact the static induction member 111 more accurately, improve the sensitivity of the induction connection, and further improve the induction effect of the circuit board 130.
[0058] In one embodiment, optionally, as Figure 1 and Figure 2 As shown, the circuit board 130 is arranged between the base 110 and the rotating member 120, the circuit board 130 is connected with the rotating member 120, the rotating member 120 drives the circuit board 130 to rotate relatively, so that the circuit board 130 can be inductively connected with the static induction member 111 on the base 110.
[0059] Optionally, the rotating member 120 and the base 110 define a cavity, the circuit board 130 is arranged in the cavity, the cavity protects and shields the circuit board 130 and the static induction member 111, reduces the interference and obstruction of the external environment and impurities on the inductive connection of the circuit board 130, and ensures the normal operation and use of the liquid level detection device 100.
[0060] Embodiment 3
[0061] The embodiments of the utility model also provide a vehicle, the vehicle can be fuel vehicle or power-assisted vehicle and the like, can also be any kind of motorcycle, tricycle or four-wheeled vehicle, include liquid level detection device 100 in embodiment 1 or embodiment 2, liquid level detection device 100 can be applied to vehicle, and the vehicle containing liquid level detection device 100 has all the beneficial effects of liquid level detection device 100, which will not be described in detail here.
[0062] In all examples shown and described herein, any specific values should be interpreted as merely exemplary and not as a limitation, and thus, other examples of the example embodiments can have different values.
[0063] The above-described embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model.
Claims
1. A liquid level detecting device characterized by comprising: The utility model relates to a liquid level detection device, comprising: a base, the base is provided with static induction piece; a rotating piece, the rotating piece is rotatably connected with the base; a circuit board, the circuit board is fixedly connected with the rotating piece, a plurality of dynamic induction pieces are arranged on the side of the circuit board close to the base, and the plurality of dynamic induction pieces are arranged in parallel to form an array circuit; a float; a connecting piece, the connecting piece is fixedly connected with the rotating piece, one end of the connecting piece is rotatably connected with the base, and the end of the connecting piece away from the base is connected with the float; when the rotating piece rotates relative to the base, any dynamic induction piece is inductively connected with the static induction piece, and the circuit board can output a detection signal; a control unit, the signal input end of the control unit is connected with the signal output end of the circuit board, so that the detection signal output by the circuit board is converted into a liquid level signal.
2. The liquid level detecting device according to claim 1, characterized by The base is provided with a rotating column, the rotating column is provided with a rotating groove, and the rotating piece is rotatably connected with the rotating groove.
3. The liquid level detection device according to claim 2, characterized in that The rotating piece is provided with a rotating shaft, the rotating shaft is inserted into the rotating groove, and the rotating shaft is rotatably connected with the rotating groove.
4. The liquid level detection device according to claim 3, characterized in that The rotating shaft is provided with a first mounting hole, the connecting piece passes through the first mounting hole, and the connecting piece is movably connected with the rotating groove.
5. The liquid level detection device according to claim 4, characterized in that The circuit board is provided with a second mounting hole, and the circuit board is sleeved on the rotating shaft through the second mounting hole.
6. The liquid level detection device according to claim 5, characterized in that A plurality of dynamic induction pieces are arranged on the circuit board in the circumferential direction around the second mounting hole.
7. The liquid level detection device according to claim 5, characterized in that The center line of the second mounting hole is arranged in line with the center line of the first mounting hole.
8. The liquid level detection device according to any one of claims 1 to 7, characterized in that The circuit board is arranged between the base and the rotating piece.
9. The liquid level detection device according to claim 8, characterized in that The rotating piece and the base define a cavity, and the circuit board is arranged in the cavity.
10. A vehicle characterized by comprising: The utility model relates to a liquid level detection device, comprising: any one of claims 1-9.