Liquid level alarm device
By designing a liquid level alarm device, the liquid level height is detected by the movement of the floating parts and counterweight parts, and through the coordination of the position detection parts and control parts, the automatic alarm function is realized, solving the liquid overflow problem caused by relying on human observation in the prior art, and improving monitoring efficiency and safety.
Patent Information
- Application Number
- CN202421499252.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-27
AI Technical Summary
When monitoring the liquid level in the container, the prior art relies on human observation, which can easily cause liquid overflow due to negligence of the operator and consume a lot of energy.
A liquid level alarm device is designed, including pulleys, connecting ropes, guides, floating parts, counterweights, position detection parts, control parts and alarm parts. Through the floating part in the liquid and the movement of the counterweight part in the guide groove, the position detector converts the movement information into an electrical signal, and the control part controls the alarm part to issue an alarm.
Automatic monitoring of the liquid level in the container is achieved. When the liquid level height rises to a certain level, an alarm can be issued in a timely manner to remind the operator to prevent liquid from overflowing, reducing the energy consumption of human monitoring.
Smart Images

Figure CN222689239U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of liquid level measurement, and in particular to a liquid level alarm device. Background Art
[0002] At present, when corrosive and scaling liquid is injected into a container, in order to prevent the liquid from overflowing from the container, the existing technology usually adopts a manual observation method to always pay attention to the liquid level height in the container. However, the manual observation method not only consumes a lot of energy of the operators, but also easily causes the liquid to overflow from the container due to negligence of the operators. Utility Model Content
[0003] In order to overcome the deficiencies in the prior art, the present application provides a liquid level alarm device.
[0004] This application provides the following technical solutions:
[0005] A liquid level alarm device, comprising:
[0006] at least one pulley;
[0007] a connecting rope, the connecting rope being wound around the at least one pulley;
[0008] A guide member, wherein the guide member has a guide groove extending along a first direction;
[0009] A floating member and a counterweight member, wherein the floating member is connected to one end of the connecting rope, and the counterweight member is connected to one end of the connecting rope away from the floating member; the counterweight member is movably disposed in the guide groove along the first direction;
[0010] at least one position detecting member, wherein a probe of the position detecting member faces an end of the guide member away from the at least one pulley;
[0011] a control element, the control element being electrically connected to the at least one position detecting element;
[0012] At least one first alarm component is electrically connected to the control component.
[0013] In a possible implementation manner, the liquid level alarm device includes two position detection components, and the two position detection components are electrically connected to the control component respectively.
[0014] In a possible implementation manner, the probes of the two position detection members are both directed along the first direction toward an end of the guide member away from the at least one pulley.
[0015] In a possible implementation, the probes of the two position detection members are both directed toward an end of the guide member away from the at least one pulley along a second direction, and the second direction is perpendicular to the first direction.
[0016] In a possible implementation, the liquid level alarm device further includes a second alarm component, which is electrically connected to the control component; the second alarm component is used to issue an alarm when any of the position detection components fails.
[0017] In a possible implementation manner, the liquid level alarm device includes two first alarm components, and the two first alarm components are connected in parallel and electrically connected to the control component.
[0018] In a possible implementation, the liquid level alarm device includes an indicator light, which is electrically connected to the control component; the indicator light has a constant light mode indicating that the liquid level alarm device is in a normal working state, and an off mode indicating that the liquid level alarm device is in a fault state.
[0019] In a possible implementation manner, a weight ratio of the floating element to the counterweight element is 1.65:1.
[0020] In a possible implementation manner, the position detection component is a proximity sensor.
[0021] In a possible implementation, the first alarm component is an audible and visual alarm.
[0022] Compared with the prior art, the present invention has the following beneficial effects:
[0023] The liquid level alarm device provided in the present application is used to monitor the liquid level in a container. When the liquid level in the container increases, the height of the floating member in the container also increases accordingly. Under the action of the connecting rope and at least one pulley, the counterweight member can descend along a first direction in the guide groove in the guide member; when the counterweight member descends to a certain height in the guide groove, the position detection member can convert the movement information or existence information of the counterweight member into an electrical signal and transmit it to the control member. After receiving the electrical signal, the control member can control the first alarm member to sound an alarm to remind the operating personnel that the liquid level in the container is high.
[0024] In order to make the above-mentioned objects, features and advantages of the present application more obvious and understandable, preferred embodiments are given below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0026] Figure 1 A schematic diagram of a liquid level alarm device according to a first embodiment of the present application is shown;
[0027] Figure 2 A schematic diagram of a liquid level alarm device according to a second embodiment of the present application is shown;
[0028] Figure 3 A schematic diagram of a liquid level alarm device according to a third embodiment of the present application is shown.
[0029] Description of main component symbols:
[0030] 100-liquid level alarm device; 110-pulley; 120-connecting rope; 130-floating member; 140-counterweight member; 150-guide member; 160-position detection member; 170-control member; 180-first alarm member; 190-lighted button; 191-indicator light; 192-second alarm member;
[0031] 200-Container;
[0032] X-first direction; Y-second direction. DETAILED DESCRIPTION
[0033] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.
[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0036] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0037] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0038] Embodiment 1
[0039] See also Figure 1 In one embodiment of the present application, a liquid level alarm device 100 is provided. The liquid level alarm device 100 is used to monitor the liquid level in a container 200 and can issue an alarm when the liquid level in the container 200 rises to a certain height.
[0040] The container 200 can contain corrosive and scaling liquid.
[0041] The liquid level alarm device 100 includes at least one pulley 110 , a connecting rope 120 , a guide member 150 , a floating member 130 , a counterweight member 140 , at least one position detection member 160 , a control member 170 and at least one first alarm member 180 .
[0042] The connecting rope 120 is wound around the at least one pulley 110 , the floating component 130 is connected to one end of the connecting rope 120 , and the counterweight 140 is connected to one end of the connecting rope 120 away from the floating component 130 .
[0043] The guide member 150 is disposed outside the container 200 . The guide member 150 has a guide groove extending along the first direction X. The counterweight 140 is movably disposed in the guide groove along the first direction X.
[0044] The floating member 130 can float on the liquid surface in the container 200. When the height of the floating member 130 changes with the liquid surface in the container 200, the counterweight 140 rises or falls along the first direction X in the guide groove.
[0045] The probe of the position detecting member 160 faces one end of the guide member 150 away from the at least one pulley 110 ; the control member 170 is electrically connected to the at least one position detecting member 160 and the at least one first alarm member 180 , respectively.
[0046] The position detection component 160 can detect the position of the counterweight component 140 in the guide groove; the control component 170 can control the first alarm component 180 to sound an alarm.
[0047] When the liquid level in the container 200 decreases, the height of the floating member 130 in the container 200 also decreases, and the counterweight 140 can rise along the first direction X in the guide groove under the action of the connecting rope 120 and the at least one pulley 110.
[0048] When the liquid level in the container 200 increases, the height of the floating member 130 in the container 200 also increases accordingly, and the counterweight member 140 can be lowered in the guide groove along the first direction X under the action of the connecting rope 120 and the at least one pulley 110. When the counterweight member 140 drops to a certain height in the guide groove, the position detection member 160 can convert the movement information or existence information of the counterweight member 140 into an electrical signal and transmit it to the control member 170. After receiving the electrical signal, the control member 170 can control the first alarm member 180 to sound an alarm to remind the operator that the liquid level in the container 200 is high.
[0049] In some embodiments, the liquid level alarm device 100 includes a pulley 110 , which is disposed outside the container 200 and above the container 200 , and the connecting rope 120 is wound around the pulley 110 .
[0050] In another embodiment, the liquid level alarm device 100 includes two pulleys 110 , the two pulleys 110 are arranged side by side above the container 200 , and the connecting rope 120 is wound around the two pulleys 110 at the same time.
[0051] The two pulleys 110 arranged side by side cooperate with the connecting rope 120 to effectively increase the distance between the floating member 130 and the counterweight member 140 along the second direction Y, thereby effectively preventing interference between the floating member 130 and the counterweight member 140 .
[0052] The second direction Y is perpendicular to the first direction X.
[0053] In some embodiments, the liquid level alarm device 100 includes a fixing frame (not shown), which is disposed at one end of the container 200 , and the pulley 110 is rotatably disposed on the fixing frame so that the pulley 110 is disposed above the container 200 .
[0054] Exemplarily, the fixing frame is detachably mounted on the container 200 via a bolt structure.
[0055] In some embodiments, the connecting rope 120 is a steel wire rope.
[0056] In some embodiments, a first connecting ring (not shown) is provided on the floating member 130, a second connecting ring (not shown) is provided on the counterweight member 140, one end of the connecting rope 120 is connected to the first connecting ring, and the end of the connecting rope 120 away from the first connecting ring is connected to the second connecting ring.
[0057] The density of the floating member 130 is lower than the density of the liquid in the container 200 .
[0058] Exemplarily, the floating member 130 is a buoyancy ball, and the counterweight member 140 is a steel rod.
[0059] In some embodiments, a protective layer is disposed on the outer surface of the floating member 130 , and the protective layer is used to prevent the liquid in the container 200 from corroding the floating member 130 .
[0060] Exemplarily, the protective layer is an epoxy resin coating.
[0061] In some embodiments, a weight ratio of the floating element 130 to the counterweight element 140 is 1.65:1.
[0062] In some embodiments, the guide member 150 and the counterweight member 140 are both disposed outside the container 200 .
[0063] In some embodiments, the guide member 150 is connected to the side wall outside the container 200 so that the position of the guide member 150 outside the container 200 is fixed.
[0064] Exemplarily, a card block is provided on the outer side of the guide member 150 , and a card slot matching the card block is provided on the outer wall of the container 200 , and the card block is engaged in the card slot to connect the guide member 150 to the outer side wall of the container 200 .
[0065] In some embodiments, a limiting plate is provided at one end of the guide member 150 away from the pulley 110 , and the limiting plate can prevent the counterweight 140 from sliding out of the sliding groove.
[0066] In some embodiments, the position detection member 160 is disposed outside the container 200 and below the guide member 150 , and a probe of the position detection member 160 is directed along the first direction X toward an end of the guide member 150 away from the pulley 110 .
[0067] The position detection component 160 can transmit the movement information of the counterweight component 140 in the slide groove to the control component 170. When the counterweight component 140 moves away from one end of the connecting rope 120 to a preset position in the slide groove, the control component 170 controls the first alarm component 180 to sound an alarm.
[0068] When the end of the counterweight 140 away from the connecting rope 120 is located at a preset position in the chute, the liquid level in the container 200 rises to a height that requires an alarm.
[0069] In some embodiments, the liquid level alarm device 100 includes two position detection members 160, the two position detection members 160 are electrically connected to the control member 170, the two position detection members 160 are both arranged outside the container 200, and the probes of the two position detection members 160 are both directed toward one end of the guide member 150 away from the pulley 110 along the first direction X. The two position detection members 160 can detect the movement information of the counterweight member 140 moving in the chute.
[0070] Exemplarily, the position detection element 160 is a proximity sensor.
[0071] Exemplarily, the control component 170 is an industrial all-in-one machine.
[0072] In some embodiments, the liquid level alarm device 100 includes two first alarm components 180 , and the two first alarm components 180 are connected in parallel and electrically connected to the control component 170 .
[0073] The control component 170 can control the two first alarm components 180 to sound an alarm, so that when one of the first alarm components 180 fails, the other first alarm component 180 can still work normally.
[0074] Exemplarily, the first alarm component 180 is an audible and visual alarm.
[0075] Embodiment 2
[0076] See also Figure 2 This embodiment provides a liquid level alarm device 100. Compared with the above embodiment, the difference is:
[0077] In some embodiments, the position detection member 160 is disposed outside the container 200 , and a probe of the position detection member 160 is directed along a second direction Y toward an end of the guide member 150 away from the pulley 110 ; the second direction Y is perpendicular to the first direction X.
[0078] The position detection component 160 can detect the existence of the counterweight component 140. When the position detection component 160 detects the existence of the counterweight component 140, the position detection component 160 can convert the existence information of the counterweight component 140 into an electrical signal and transmit it to the control component 170. After receiving the electrical signal, the control component 170 controls the first alarm component 180 to sound an alarm.
[0079] In some embodiments, the liquid level alarm device 100 includes two position detection components 160, the two position detection components 160 are electrically connected to the control component 170 respectively, the two position detection components 160 are both arranged outside the container 200, and the probes of the two position detection components 160 are both along the second direction Y toward the end of the guide component 150 away from the pulley 110.
[0080] Embodiment 3
[0081] See also Figure 3 This embodiment provides a liquid level alarm device 100. This embodiment is an improvement made on the technical basis of the above embodiment. Compared with the above embodiment, the difference is:
[0082] In some embodiments, the liquid level alarm device 100 further includes a second alarm component 192, which is electrically connected to the two position detection components 160 through the control component 170; the second alarm component 192 is used to sound an alarm when any of the position detection components 160 fails.
[0083] In some embodiments, the liquid level alarm device 100 includes an indicator light 191, which is electrically connected to the control component 170; the indicator light 191 has a constant light mode indicating that the liquid level alarm device 100 is in a normal working state, and an off mode indicating that the liquid level alarm device 100 is in a fault state.
[0084] When the indicator light 191 is off, the liquid level alarm device 100 is in a faulty state, and the operator no longer relies on the failed liquid level alarm device 100.
[0085] In some embodiments, a lighted button 190 is provided on the control member 170 .
[0086] When injecting liquid into the container 200, the operator presses the lighted button 190 until the indicator light 191 lights up, and the control component 170 records the feeding time and starts timing; when the first alarm component 180 sounds an alarm, the operator presses the lighted button 190 again to turn off the first alarm component 180 and stop timing the control component 170, so that the start date and end date of the injection of the container 200 can be obtained.
[0087] When the liquid level alarm device 100 fails, the lighted button 190 flashes quickly.
[0088] When the liquid level in the container 200 reaches a height that requires an alarm, the illuminated button 190 flashes slowly.
[0089] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0090] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. A liquid level alarm device, characterized in that: include: at least one pulley; a connecting rope, the connecting rope being wound around the at least one pulley; A guide member, wherein the guide member has a guide groove extending along a first direction; A floating member and a counterweight member, wherein the floating member is connected to one end of the connecting rope, and the counterweight member is connected to one end of the connecting rope away from the floating member; the counterweight member is movably disposed in the guide groove along the first direction; at least one position detecting member, wherein a probe of the position detecting member faces an end of the guide member away from the at least one pulley; a control element, the control element being electrically connected to the at least one position detecting element; At least one first alarm component is electrically connected to the control component.
2. The liquid level alarm device according to claim 1, characterized in that: The liquid level alarm device comprises two position detection components, and the two position detection components are electrically connected to the control component respectively.
3. The liquid level alarm device according to claim 2, characterized in that: The probes of the two position detection members are both directed along the first direction toward an end of the guide member away from the at least one pulley.
4. The liquid level alarm device according to claim 2, characterized in that: The probes of the two position detection members are both directed toward an end of the guide member away from the at least one pulley along a second direction, and the second direction is perpendicular to the first direction.
5. The liquid level alarm device according to claim 2, characterized in that: The liquid level alarm device also includes a second alarm component, which is electrically connected to the control component; the second alarm component is used to issue an alarm when any of the position detection components fails.
6. The liquid level alarm device according to any one of claims 1 to 5, characterized in that: The liquid level alarm device comprises two first alarm components, which are connected in parallel and electrically connected to the control component.
7. The liquid level alarm device according to any one of claims 1 to 5, characterized in that: The liquid level alarm device comprises an indicator light which is electrically connected to the control element; the indicator light has a constant light mode which indicates that the liquid level alarm device is in a normal working state, and an off mode which indicates that the liquid level alarm device is in a fault state.
8. The liquid level alarm device according to any one of claims 1 to 5, characterized in that: The weight ratio of the floating element to the counterweight element is 1.65:
1.
9. The liquid level alarm device according to any one of claims 1 to 5, characterized in that: The position detection element is a proximity sensor.
10. The liquid level alarm device according to any one of claims 1 to 5, characterized in that: The first alarm component is an audible and visual alarm.