Capacitive liquid level meter calibration device
By designing a capacitive level meter calibration device with structures such as liquid tanks, piston plates, mobile rods and screws, the problem of difficult control of power consumption and liquid capacity in the prior art is solved, and the precise calibration and calibration of the level meter is achieved, and the power consumption is reduced.
Patent Information
- Application Number
- CN202420577242.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The existing capacitive level meter calibration device requires the use of a water pump to extract liquid, which consumes electricity and is difficult to control the liquid capacity, which affects the calibration accuracy and efficiency.
A capacitive level meter calibration device is designed, which adopts a liquid tank, piston plate, mobile rod and screw structure. The rotating handle drives the screw to rotate, and the moving rod and piston plate work together to achieve accurate injection and adjustment of liquid, avoiding the use of water pumps.
The precise calibration and calibration of the liquid level gauge is achieved without the need for a water pump to extract liquid, reduce power consumption, and precise control of the liquid level is achieved through capacity scales and transparent observation boxes.
Smart Images
Figure CN222561084U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of calibration devices, in particular to a capacitance type liquid level meter calibration device. Background Art
[0002] A capacitive level gauge is a device that converts the change in the position of the measured object into a capacitance. The capacitive level gauge has the advantages of simple structure, high resolution, reliable operation, fast dynamic response, non-contact measurement, and the ability to work under adverse conditions such as high temperature, radiation and strong vibration. It has been used in various fields of industrial and agricultural production. The capacitive level gauge needs to be calibrated or calibrated before it can be used to ensure the accuracy and precision of the measurement. Existing capacitive level gauge calibration or calibration devices such as publication number CN215413964U, a capacitive level gauge calibration device, adopts the technical solution of including a level gauge, a base frame, a bracket, and a top frame. A water pump and a liquid storage tank are arranged under the base frame. A liquid inlet pipe is arranged on the water pump, a liquid outlet pipe is arranged on the liquid storage tank, and a solenoid valve is arranged on the liquid outlet pipe. A controller and an observation box are arranged on the base frame. The bracket and the controller are provided with a microprocessor. The observation box is made of a transparent material. The port is close to the inner bottom of the observation box, the bottom of the observation box is connected to the liquid outlet pipe, the bracket is provided with a positioning clamp, a column, and a lower sleeve, the inner wall of the positioning clamp is provided with a slidingly connected ruler, the ruler corresponds to the position of the observation box, there are multiple groups of columns, and the multiple groups of columns have the same inscribed circle, and the two groups of adjacent columns on the front are slidably connected with a sliding sleeve, and the sliding sleeve is provided with an opening, and the opening matches the display end size of the liquid level meter, and the tangent surface of the column and the inscribed circle is provided with a thread, and a lifting plate is provided between the multiple groups of columns, and a thread is provided on the side of the lifting plate. The lifting plate and the multiple groups of columns are threadedly connected, and a tooth groove is provided on the thread, and there are multiple groups of tooth grooves. A bearing is provided on the lifting plate, and the bearing matches the bottom size of the liquid level meter, and the bearing corresponds to the position of the opening, and a gear roller is rotatably connected in the lower sleeve, and the teeth on the gear roller are meshed with the tooth groove. A top frame is provided at the top of the column, and the top frame is connected to the gear roller through an upper sleeve, and a crank is provided at the top of the gear roller. The microprocessor is electrically connected to the water pump and the solenoid valve.
[0003] When the above device is in use, a water pump is needed to pump the liquid in the liquid storage tank into the observation box. Each use consumes electricity, and the volume of liquid pumped into the observation box each time is inconvenient to control. For this reason, we propose a capacitive liquid level meter calibration device. Utility Model Content
[0004] The utility model aims to provide a capacitive liquid level gauge calibration device, comprising a liquid tank, the top of the liquid tank is connected to a pipeline, the top of the pipeline is connected to an observation box, a piston plate is slidably connected to the inner side of the liquid tank, the piston plate is fixedly connected to a moving rod, the moving rod slides through the inner side of the liquid tank, a screw rod is threadedly connected to the inner side of the moving rod, one end of the screw rod is fixedly connected to a crank handle, the screw rod is rotatably connected to a stabilizing seat via a bearing, the stabilizing seat and the liquid tank are fixedly mounted on the top of a base, and an auxiliary component is mounted on the top of the base.
[0005] Preferably, four corners of the bottom of the observation box are fixedly connected to a group of supporting legs, and the four groups of supporting legs are fixedly installed on the top of the base.
[0006] Preferably: a capacity scale is provided on the outer wall of the observation box.
[0007] Preferably: the auxiliary component includes a placing plate, two groups of springs are arranged between the placing plate and the bracket, two groups of guide rods are slidably connected to the inner side of the placing plate, the two groups of guide rods slide through the inner side of the fixed plate, the bottom of the fixed plate is fixedly connected to a rubber pad, the inner side of the fixed plate is threadedly connected to a screw rod 2, and the top ends of the two groups of guide rods are fixedly connected to limiting blocks.
[0008] Preferably: the bracket is fixedly mounted on the top of the base, a through hole is provided on the bracket, a placement hole is provided on the placement plate, the through hole matches the size of the display end of the capacitive liquid level gauge, and the bottom probe of the capacitive liquid level gauge can pass through the through hole.
[0009] Preferably, the second screw rod is rotatably connected to the bracket and the stabilizing block via a bearing, and the stabilizing block is fixedly connected to the bracket.
[0010] Preferably: the bottom of screw rod 2 is fixedly connected to bevel gear 1, bevel gear 1 meshes with bevel gear 2, bevel gear 2 is fixedly connected to one end of the rotating shaft, the other end of the rotating shaft is fixedly connected to crank 2, the rotating shaft is rotatably connected to stabilizing seat 2 through a bearing, and stabilizing seat 2 is fixedly installed on the top of the base.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. When the utility model is used, turning the crank handle 1 will drive the screw rod 1 to rotate, the screw rod 1 will drive the moving rod to move, the moving rod will drive the piston plate to move in the direction away from the crank handle 1, so that the liquid in the liquid tank enters the observation box through the pipeline. In the process of turning the crank handle 1, the liquid level on the capacity scale is observed through the transparent side wall of the observation box. When the liquid level reaches the target scale, the crank handle 1 is stopped from being turned, and the crank handle 1 can be continuously turned forward or reversely to drive the piston plate to move back and forth in the liquid tank, so as to fine-tune the liquid level in the observation box to the target scale accurately, without using a water pump to pump liquid, thereby reducing the use cost.
[0013] 2. When the utility model is used, the bottom probe of the capacitive liquid level gauge passes through the placement hole, and the lower end of the display end of the capacitive liquid level gauge is embedded in the placement hole. Turning the second crank handle will drive the rotating shaft to rotate, and the rotation of the rotating shaft will drive the second bevel gear to rotate. The rotation of the second bevel gear will drive the first bevel gear to rotate. The rotation of the first bevel gear will drive the second screw to rotate. The rotation of the second screw will drive the fixed plate to move downward, so that the rubber pad will contact the capacitive liquid level gauge. At this time, the capacitive liquid level gauge will be stably fixed. During measurement, continue to turn the second crank handle, and then the rotation of the second screw will drive the fixed plate to continue to move downward, which can drive the capacitive liquid level gauge to move downward, so that the bottom probe of the capacitive liquid level gauge passes through the through hole into the observation box, and then the capacitive liquid level gauge is used for measurement. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a partial structural schematic diagram of the utility model;
[0016] Figure 3 This is a schematic diagram of placing the board.
[0017] In the figure: 1. liquid tank; 2. pipeline; 3. observation box; 4. piston plate; 5. moving rod; 6. screw rod 1; 7. crank handle 1; 8. stabilizing seat 1; 9. base; 10. auxiliary components; 1001. placement plate; 1002. spring; 1003. bracket; 1004. guide rod; 1005. fixing plate; 1006. rubber pad; 1007. screw rod 2; 1008. limit block; 11. support leg; 12. capacity scale; 13. through hole; 14. placement hole; 15. stabilizing block; 16. bevel gear 1; 17. bevel gear 2; 18. rotating shaft; 19. crank handle 2; 20. stabilizing seat 2; 21. capacitive liquid level meter. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1 - Figure 3 The figure shows a capacitive liquid level gauge calibration device of the utility model, including a liquid tank 1, characterized in that: the top of the liquid tank 1 is connected to a pipeline 2, the top of the pipeline 2 is connected to an observation box 3, a piston plate 4 is slidably connected to the inner side of the liquid tank 1, the piston plate 4 is fixedly connected to a moving rod 5, the moving rod 5 slides through the inner side of the liquid tank 1, a screw 6 is threadedly connected to the inner side of the moving rod 5, one end of the screw 6 is fixedly connected to a crank 7, the screw 6 is rotatably connected to a stabilizing seat 8 through a bearing, the stabilizing seat 8 and the liquid tank 1 are fixedly mounted on the top of a base 9, and an auxiliary component 10 is mounted on the top of the base 1.
[0020] A set of supporting legs 11 are fixedly connected to the four corners of the bottom of the observation box 3, and the four sets of supporting legs 11 are fixedly mounted on the top of the base 9, so that the installation structure of the observation box 3 is stable.
[0021] A capacity scale 12 is provided on the outer wall of the observation box 3 . The observation box 3 is made of transparent glass. The capacity of the liquid inside the observation box 3 can be determined by the capacity scale 12 .
[0022] The auxiliary component 10 includes a placement plate 1001, two groups of springs 1002 are arranged between the placement plate 1001 and the bracket 1003, two groups of guide rods 1004 are slidably connected to the inner side of the placement plate 1001, and the two groups of guide rods 1004 slide through the inner side of the fixed plate 1005, the bottom of the fixed plate 1005 is fixedly connected to a rubber pad 1006, the inner side of the fixed plate 1005 is threadedly connected to a screw 1007, and the tops of the two groups of guide rods 1004 are fixedly connected to a limited block 1008. When in use, the capacitive liquid level meter The bottom probe 21 passes through the placement hole, and the lower end of the display end of the capacitive liquid level meter 21 is embedded in the placement hole 14. The rotation of the second screw 1007 will drive the fixed plate 1005 to move downward, so that the rubber pad 1006 will contact the capacitive liquid level meter 21. At this time, the capacitive liquid level meter 21 will be stably fixed, and then the rotation of the second screw 1007 will drive the fixed plate 1005 to continue to move downward, and then drive the capacitive liquid level meter 21 to move downward, so that the bottom probe of the capacitive liquid level meter 21 passes through the through hole 13 and enters the observation box 3, and then the capacitive liquid level meter 21 is used for measurement.
[0023] The bracket 1003 is fixedly mounted on the top of the base 9, a through hole 13 is opened on the bracket 1003, and a placement hole 14 is opened on the placement plate 1001. The through hole 13 matches the size of the display end of the capacitive liquid level meter 21. The bottom probe of the capacitive liquid level meter 21 can pass through the through hole 13, so that the capacitive liquid level meter 21 can move up and down stably.
[0024] The second screw rod 1007 is rotatably connected to the bracket 1003 and the stabilizing block 15 through a bearing, and the stabilizing block 15 is fixedly connected to the bracket 1003, so that the installation structure of the second screw rod 1007 is stable.
[0025] The bottom of the screw rod 1007 is fixedly connected to the bevel gear 16, and the bevel gear 16 meshes with the bevel gear 17. The bevel gear 17 is fixedly connected to one end of the rotating shaft 18, and the other end of the rotating shaft 18 is fixedly connected to the crank 19. The rotating shaft 18 is rotatably connected to the stable seat 20 through a bearing. The stable seat 20 is fixedly installed on the top of the base 9. Rotating the crank 19 will drive the rotating shaft 18 to rotate, and the rotation of the rotating shaft 18 will drive the bevel gear 2 17 to rotate. The rotation of the bevel gear 17 will drive the bevel gear 16 to rotate, and the rotation of the bevel gear 16 will drive the screw rod 1007 to rotate.
[0026] Working principle of the utility model: when in use, the bottom probe of the capacitive liquid level gauge 21 passes through the placement hole, and the lower end of the display end of the capacitive liquid level gauge 21 is embedded in the placement hole 14, and the rotation of the crank handle 19 will drive the shaft 18 to rotate, and the rotation of the shaft 18 will drive the bevel gear 17 to rotate, and the rotation of the bevel gear 17 will drive the bevel gear 16 to rotate, and the rotation of the bevel gear 16 will drive the screw 1007 to rotate, and the rotation of the screw 1007 will drive the fixed plate 1005 to move downward, so that the rubber pad 1006 will contact the capacitive liquid level gauge 21, and the capacitive liquid level gauge 21 will be stably fixed at this time; then, the rotation of the crank handle 17 will drive the screw 16 to rotate, and the rotation of the screw 16 will drive the moving rod 5 to move, and the movement of the moving rod 5 will drive the piston plate 4 to move away from the crank handle 17, so that the liquid in the liquid tank 1 enters through the pipeline 2 Enter the observation box 3, and in the process of turning the crank 1007, observe the scale of the liquid level on the capacity scale 12 through the transparent side wall of the observation box 3. When the liquid level reaches the target scale, stop turning the crank 1007, and you can continue to turn the crank 1007 forward or reverse to drive the piston plate 4 to move back and forth in the liquid tank 1, so as to fine-tune the liquid level in the observation box 3 to the target scale, and then use the capacitive liquid level meter 21 for measurement, so as to adjust the liquid level height and realize multiple groups of measurement and calibration of the capacitive liquid level meter 21; when measuring, continue to turn the crank 1009, and then the rotation of the screw 1007 will drive the fixed plate 1005 to continue to move downward, and then can drive the capacitive liquid level meter 21 to move downward, so that the bottom probe of the capacitive liquid level meter 21 passes through the through hole 13 into the observation box 3, and then the capacitive liquid level meter 21 is used for measurement.
[0027] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.
Claims
1. A capacitive level gauge calibration device, comprising a liquid tank (1), characterized in that: The top of the liquid tank (1) is connected to the pipeline (2), and the top of the pipeline (2) is connected to the observation box (3). The inner side of the liquid tank (1) is slidably connected to a piston plate (4), and the piston plate (4) is fixedly connected to a moving rod (5). The moving rod (5) slides through the inner side of the liquid tank (1). The inner side of the moving rod (5) is threadedly connected to a screw rod (6), and one end of the screw rod (6) is fixedly connected to a crank handle (7). The screw rod (6) is rotatably connected to a stabilizing seat (8) through a bearing. The stabilizing seat (8) and the liquid tank (1) are fixedly mounted on the top of a base (9), and an auxiliary component (10) is mounted on the top of the base (9).
2. A capacitive level gauge calibration device according to claim 1, characterized in that: The four corners of the bottom of the observation box (3) are fixedly connected to a group of support legs (11), and the four groups of support legs (11) are fixedly mounted on the top of the base (9).
3. A capacitive level gauge calibration device according to claim 1, characterized in that: A capacity scale (12) is provided on the outer wall of the observation box (3).
4. A capacitive level gauge calibration device according to claim 1, characterized in that: The auxiliary component (10) comprises a placement plate (1001), two groups of springs (1002) are arranged between the placement plate (1001) and the bracket (1003), two groups of guide rods (1004) are slidably connected to the inner side of the placement plate (1001), the two groups of guide rods (1004) slide through the inner side of the fixed plate (1005), the bottom of the fixed plate (1005) is fixedly connected to a rubber pad (1006), the inner side of the fixed plate (1005) is threadedly connected to a second screw rod (1007), and the top ends of the two groups of guide rods (1004) are fixedly connected to a limiting block (1008).
5. A capacitive level gauge calibration device according to claim 4, characterized in that: The bracket (1003) is fixedly mounted on the top of the base (9); a through hole (13) is provided on the bracket (1003); a placement hole (14) is provided on the placement plate (1001); the through hole (13) matches the size of the display end of the capacitive liquid level meter (21); and a probe at the bottom of the capacitive liquid level meter (21) can pass through the through hole (13).
6. A capacitive level gauge calibration device according to claim 4, characterized in that: The second screw rod (1007) is rotatably connected to the bracket (1003) and the stabilizing block (15) via a bearing, and the stabilizing block (15) is fixedly connected to the bracket (1003).
7. A capacitive level gauge calibration device according to claim 4, characterized in that: The bottom of the second screw rod (1007) is fixedly connected to the first bevel gear (16), the first bevel gear (16) meshes with the second bevel gear (17), the second bevel gear (17) is fixedly connected to one end of the rotating shaft (18), the other end of the rotating shaft (18) is fixedly connected to the second crank (19), the rotating shaft (18) is rotatably connected to the second stabilizing seat (20) through a bearing, and the second stabilizing seat (20) is fixedly installed on the top of the base (9).