CN220437531U - Mechanical liquid level alarm device - Google Patents
Mechanical liquid level alarm device Download PDFInfo
- Publication number
- CN220437531U CN220437531U CN202321553650.XU CN202321553650U CN220437531U CN 220437531 U CN220437531 U CN 220437531U CN 202321553650 U CN202321553650 U CN 202321553650U CN 220437531 U CN220437531 U CN 220437531U
- Authority
- CN
- China
- Prior art keywords
- floater
- liquid level
- guide rod
- limit switch
- float
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- 239000007788 liquid Substances 0.000 title claims abstract description 44
- 230000005484 gravity Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model discloses a mechanical liquid level alarm device which comprises a support frame, a floater, a side wall guide rod, an alarm and a limit switch, wherein the floater is movably arranged on the support frame, the limit switch is arranged at the top of the support frame, the limit switch is connected with the alarm by a wire, the floater is connected with the limit switch by a soft rope, the side wall guide rod is arranged on the side surface of the floater, an upper limit component and a lower limit component are respectively arranged above and below the floater, and the stroke of the floater is equal to that of the limit switch. The device solves the problems of low liquid level alarm precision, large error, inconvenient maintenance after failure, high maintenance cost and the like in the prior art.
Description
Technical Field
The utility model relates to the field of alarm devices, in particular to a mechanical liquid level alarm device.
Background
The liquid level alarm is used for alarming the liquid level by a mechanical or magnetic induction method, and the traditional liquid level alarm currently used comprises a radar type liquid level controller, an electronic liquid level controller, a float valve type liquid level controller and the like, and has the problems of low measurement accuracy, large error, inconvenient maintenance after failure, high maintenance cost and the like.
Disclosure of Invention
The utility model provides a mechanical liquid level alarm device, which aims to solve the problems of low measurement accuracy, large error, inconvenient maintenance after failure, high maintenance cost and the like in the prior art.
The technical scheme provided by the utility model is as follows:
a mechanical liquid level alarm device is characterized in that:
including support frame, float, lateral wall guide arm, alarm and limit switch, the float removes to set up on the support frame, the support frame top is provided with limit switch, limit switch with the alarm electricity is connected, the float pass through the rope with limit switch connects, the float side is provided with the lateral wall guide arm, float top and below are provided with spacing subassembly and lower spacing subassembly respectively, just the stroke of float equals limit switch's stroke.
Further, if the float is completely submerged below the liquid surface of the target container, the float is subjected to buoyancy not less than twice its own weight;
the sum of the pulling force and the buoyancy of the limit switch is larger than the gravity of the floater.
Further, the upper limiting assembly comprises an upper baffle plate which is horizontally arranged and connected with the supporting frame;
the lower limiting assembly comprises a lower baffle plate, and the lower baffle plate is horizontally arranged and connected with the supporting frame.
Further, the side wall of the support frame is provided with a strip hole;
one end of the side wall guide rod is arranged in the middle of the side wall of the floater, the other end of the side wall guide rod penetrates through the strip hole, and the side wall guide rod ascends or descends in the strip hole along with the floater synchronously.
Further, an upper guide rod is arranged at the top of the floater, vertically penetrates through the upper baffle plate, and the upper side of the upper guide rod is connected with the soft rope;
the bottom of the floater is provided with a lower guide rod which vertically penetrates through the lower baffle plate.
Further, scale marks are arranged in the support frame, and the side wall guide rods are perpendicular to the plane where the scale marks are located.
Further, the central axes of the floater, the upper guide rod, the lower guide rod and the soft rope in the vertical direction are positioned on the same horizontal line.
Further, the float is cylindrical in shape and made of stainless steel.
Further, the support frame and the target container are mounted in a threaded connection or welding mode.
Compared with the prior art, the utility model has the beneficial effects that:
compared with the traditional liquid level alarm, the mechanical liquid level alarm device has higher sensitivity, improves the accuracy of liquid level control, has small measurement error, reduces the failure rate and the maintenance cost, and is convenient to maintain.
Drawings
Fig. 1 is a schematic structural diagram of a mechanical liquid level alarm device in an embodiment of the utility model.
The reference numerals are as follows:
1-floater, 2-side wall guide rod, 3-limit switch, 4-alarm, 5-wire, 6-rope, 7-upper guide rod, 8-upper baffle, 9-lower baffle, 10-lower guide rod, 11-support frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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. It will be apparent that the embodiments described below are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Accordingly, the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings, is intended to represent only selected embodiments of the present application, and not to limit the scope of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.
Referring to fig. 1, the utility model provides a mechanical liquid level alarm device, which comprises a supporting frame 11, a floater 1, a side wall guide rod 2, an alarm 4 and a limit switch 3, wherein the floater 1 is movably arranged on the supporting frame 11, the limit switch 3 is arranged at the top of the supporting frame 11, the limit switch 3 is connected with the alarm 4 through a wire 5, the floater 1 is connected with the limit switch 3 through a soft rope 6, the side surface of the floater 1 is provided with the side wall guide rod 2, an upper limit component and a lower limit component are respectively arranged above and below the floater 1, and the stroke of the floater 1 is equal to the stroke of the limit switch 3 in the vertical direction.
In the use process, the device is placed in a target container, the side wall guide rod 2 is aligned with the scale of the liquid level to be early-warned, if the liquid level in the target container rises above the first liquid level, the floater 1 is in contact with the upper limit component, the limit switch 3 is turned on and is in a normally open state, and the alarm 4 does not work at the moment; if the liquid level in the target container is lower than the first liquid level, the floater 1 can descend along with the descending of the liquid level, when the floater 1 descends to the second liquid level, the floater 1 contacts with the lower limit assembly, the limit switch 3 is closed, the alarm 4 is started, and the second liquid level at the moment is an early warning liquid level. Thus, the alarm 4 is activated to alarm as soon as the liquid level in the target container reaches the pre-alarm level. The target container is a container of which the liquid level needs to be pre-warned.
Alternatively, if the float 1 is submerged completely below the liquid surface of the target vessel, the float 1 is subjected to a buoyancy force not less than twice its own weight. The sum of the pulling force of the limit switch 3 and the buoyancy of the float 1 is greater than the gravity force to which the float 1 is subjected.
Optionally, the upper limit assembly includes an upper baffle 8 horizontally disposed on a support frame 11. The lower limiting assembly comprises a lower baffle plate 9, and the lower baffle plate 9 is horizontally arranged on the lower side of the supporting frame 11. The upper baffle plate 8 and the lower baffle plate 9 are arranged on the upper side and the lower side of the floater 1 in parallel to limit the movement of the floater 1.
Optionally, the support frame 11 is provided with a long hole at a position corresponding to the side wall guide rod 2, one end of the side wall guide rod 2 is arranged at the middle part of the side wall of the float 1, the other end passes through the long hole, and the side wall guide rod 2 ascends or descends in the long hole synchronously along with the movement of the float 1.
Optionally, an upper guide rod 7 is arranged at the top of the floater 1, the upper guide rod 7 penetrates through an upper baffle plate 8 in the vertical direction, the upper side of the upper guide rod 7 is connected with the soft rope 6, and the other end of the soft rope 6 is connected with the limit switch 3.
The bottom of the floater 1 is provided with a lower guide rod 10, and the lower guide rod 10 vertically penetrates through the lower baffle 9. In this embodiment, the upper guide bar 7 and the lower guide bar 9 are used to limit the movement of the float 1 so that the float 1 only retains displacement in the vertical direction.
Optionally, scale marks are arranged in the supporting frame 11, and the side wall guide rod 2 is perpendicular to the plane where the scale marks are located.
Optionally, the central axes of the float 1, the upper guide rod 7, the lower guide rod 10 and the flexible rope 6 in the vertical direction are on the same horizontal line. The float 1, the upper guide rod 7, the lower guide rod 10 and the soft rope 6 are arranged on the same straight line, so that the displacement of the float 1 in the vertical direction can be quickly transmitted to the limit switch 3, and the accuracy of the device is improved.
Optionally, the float 1 is cylindrical in shape and made of stainless steel.
Optionally, the support 11 is mounted to the target container by screwing or welding.
It should be noted that, in the present utility model, the distance between the upper baffle plate 8 and the lower baffle plate 9 and the float 1 must be the same as the stroke of the limit switch 3, so as to prevent the float 1 from pulling the limit switch 3 or not playing the pulling force required for the limit operation.
The utility model provides a mechanical liquid level alarm device, which is characterized in that the distance between an upper baffle plate 8 and a lower baffle plate 9 and a floater 1 is required to be the same as the stroke of a limit switch 3, the shape and the weight of the floater 1 are designed, and if the floater 1 is completely immersed below the liquid level of a target container, the buoyancy of the floater 1 is not less than twice the gravity of the floater. The sum of the pulling force of the limit switch 3 and the buoyancy of the float 1 is greater than the gravity force to which the float 1 is subjected. Once the float 1 reaches the position needing early warning, the alarm 4 is started to give an alarm, so that the liquid level alarm precision of the device is greatly improved, and compared with the traditional device, the device has the advantage that errors are reduced. The device simple structure, the installation is dismantled conveniently, does benefit to the maintenance.
The foregoing is merely a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. A mechanical liquid level alarm device, characterized in that:
including support frame, float, lateral wall guide arm, alarm and limit switch, the float removes to set up on the support frame, the support frame top is provided with limit switch, limit switch with the alarm electricity is connected, the float pass through the rope with limit switch connects, the float side is provided with the lateral wall guide arm, float top and below are provided with spacing subassembly and lower spacing subassembly respectively, just the stroke of float equals limit switch's stroke.
2. The mechanical liquid level warning device of claim 1, wherein:
if the floater completely submerges below the liquid level of the target container, the buoyancy of the floater is not less than twice of the gravity of the floater;
the sum of the pulling force and the buoyancy of the limit switch is larger than the gravity of the floater.
3. The mechanical liquid level warning device of claim 1, wherein:
the upper limiting assembly comprises an upper baffle plate which is horizontally arranged and connected with the supporting frame;
the lower limiting assembly comprises a lower baffle plate, and the lower baffle plate is horizontally arranged and connected with the supporting frame.
4. The mechanical liquid level warning device of claim 1, wherein:
the side wall of the support frame is provided with a strip hole;
one end of the side wall guide rod is arranged in the middle of the side wall of the floater, the other end of the side wall guide rod penetrates through the strip hole, and the side wall guide rod ascends or descends in the strip hole along with the floater synchronously.
5. A mechanical liquid level warning device according to claim 3, characterized in that:
an upper guide rod is arranged at the top of the floater, vertically penetrates through the upper baffle plate, and the upper side of the upper guide rod is connected with the soft rope;
the bottom of the floater is provided with a lower guide rod which vertically penetrates through the lower baffle plate.
6. The mechanical liquid level warning device of claim 1, wherein:
scale marks are arranged in the support frame, and the side wall guide rods are perpendicular to the plane where the scale marks are located.
7. The mechanical liquid level warning apparatus of claim 5, wherein:
the central axes of the floater, the upper guide rod, the lower guide rod and the soft rope in the vertical direction are positioned on the same horizontal line.
8. The mechanical liquid level warning device of any one of claims 1 to 7, wherein:
the float is cylindrical and made of stainless steel.
9. The mechanical liquid level warning device of claim 2, wherein:
the support frame and the target container are installed in a threaded connection or welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553650.XU CN220437531U (en) | 2023-06-16 | 2023-06-16 | Mechanical liquid level alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321553650.XU CN220437531U (en) | 2023-06-16 | 2023-06-16 | Mechanical liquid level alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220437531U true CN220437531U (en) | 2024-02-02 |
Family
ID=89687233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321553650.XU Active CN220437531U (en) | 2023-06-16 | 2023-06-16 | Mechanical liquid level alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220437531U (en) |
-
2023
- 2023-06-16 CN CN202321553650.XU patent/CN220437531U/en active Active
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