CN113483855B - Low-error capacitance liquid level detection device - Google Patents
Low-error capacitance liquid level detection device Download PDFInfo
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- CN113483855B CN113483855B CN202110685354.4A CN202110685354A CN113483855B CN 113483855 B CN113483855 B CN 113483855B CN 202110685354 A CN202110685354 A CN 202110685354A CN 113483855 B CN113483855 B CN 113483855B
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims abstract description 54
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000033001 locomotion Effects 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000001965 increasing effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a low-error capacitance liquid level detection device, which comprises a shell, wherein a detection bottle body is placed in the shell, a connection shell is connected in a clamping way in the inner wall of the right side of the shell, a receiving shell is connected in a clamping way outside the right side of the connection shell, and an abutting block is fixedly connected to the inner wall of the right side of the receiving shell and plays a role in pushing the connection shell; the connecting shell comprises a connecting block, wherein the connecting block is uniformly distributed outside the connecting shell, an adjusting bolt is connected in the connecting block in a penetrating manner, a first capacitor block is connected in the upper side of the connecting shell in a connecting manner, a second capacitor block is connected in the lower side of the connecting shell in a connecting manner, and an adjusting rod is connected in the right side of the upper end of the connecting shell in a penetrating manner. This low error's electric capacity liquid level detection device, in the in-process of using, electric capacity module can closely laminate with the bottle, avoids influencing the detection effect to stability when electric capacity module and bottle laminating is high, makes it be difficult for receiving external interference, thereby reduces the error, avoids influencing the accuracy of detection.
Description
Technical Field
The invention relates to the technical field of liquid level detection, in particular to a low-error capacitance liquid level detection device.
Background
The capacitive liquid level detection device adopts the change of a measured capacitance to measure the liquid level, and detects the liquid level by contacting a capacitance module with a bottle body to be measured, so that various detection devices and detection means are more and more, but the current capacitive liquid level detection device still has a plurality of defects.
Chinese patent publication No. CN105074395a discloses an electrostatic capacitance type liquid level detection device capable of determining liquid quality while determining liquid level. The device is provided with: a plurality of electrode pairs (26 a-26 i), wherein the plurality of electrode pairs (26 a-26 i) are arranged in a tank (10) for storing liquid in a staggered manner in the height direction; a measuring device (31) for acquiring capacitance equivalent values (Cx) between electrode pairs of each of the plurality of electrode pairs (26 a-26 i); a storage unit (33) that stores a plurality of threshold values (Th 1-Th 3) that are determined from capacitance equivalent values (Cx) between the electrode pairs (26 a-26 i) when air and a plurality of liquids are present, respectively; and a determination unit (32) that determines a liquid level corresponding to the liquid quality by comparing the capacitance equivalent value (Cx) between each electrode pair with a plurality of threshold values (Th 1-Th 3), respectively.
Chinese patent grant publication No. CN103376144a discloses a liquid level detecting device, comprising: a first detection unit that has a first electrode extending in the vertical direction in the tank and facing the ground electrode, and that detects a first electrostatic capacitance between the first electrode and the ground electrode; a second detection unit that has a second electrode extending in the vertical direction in the tank and facing the ground electrode, and that detects a second capacitance between the second electrode and the ground electrode; and a difference calculating section that calculates, as a capacitance difference, a difference between the first electrostatic capacitance detected by the first detecting section and the second electrostatic capacitance detected by the second detecting section, and determines whether or not the liquid level in the liquid tank is higher than an alarm threshold.
The prior art solutions described above have the following drawbacks: in the in-process of using, the electric capacity module is difficult to closely laminate with the bottle, influences the detection effect to the stability of electric capacity module when laminating with the bottle is poor, receives external interference easily, thereby leads to the error big, influences the accuracy of surveying, consequently, we provide a low error electric capacity liquid level detection device, in order to solve the problem that above-mentioned in put forward.
Disclosure of Invention
The invention aims to provide a low-error capacitance liquid level detection device, which solves the problems that in the use process, a capacitance module is difficult to be tightly attached to a bottle body to influence the detection effect, and the capacitance module is poor in stability when being attached to the bottle body and is easily interfered by the outside, so that the error is large and the detection accuracy is influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: a low error capacitive liquid level detection device comprising: the detection bottle body is placed in the shell, the right inner wall of the shell is connected with the connecting shell in a clamping manner, the right outer part of the connecting shell is connected with the receiving shell in a clamping manner, and the right inner wall of the receiving shell is fixedly connected with the abutting block and has a pushing effect on the connecting shell;
the connecting shell is internally connected with a first capacitor block, the lower side of the connecting shell is internally connected with a second capacitor block, and the right side of the upper end of the connecting shell is connected with an adjusting rod in a penetrating way;
the adjusting block is rotationally connected to the lower end of the adjusting rod, adjusting convex blocks are fixedly arranged on the front side and the rear side of the lower end surface of the adjusting block, a first cross rod is fixedly arranged on the right part of the upper side of the connecting shell, and a first spring is sleeved outside the middle side of the first cross rod;
the movable block is connected to the outside of the first cross rod and is positioned at the outer side of the first spring, the outer part of the upper end of the movable block is rotationally connected with a movable short rod, the left side of the middle part of the first cross rod is fixedly provided with a second cross rod, and the outer part of the second cross rod is sleeved and connected with a second spring;
the motor is fixedly arranged outside the left side of the shell through a bolt, a first connecting disc is fixedly arranged at the output end of the motor, a push rod is connected with the left side wall of the shell in a penetrating manner, and a push block is fixedly arranged at the right end of the push rod;
the third spring is sleeved and connected to the left outer part of the push rod, and the left end of the push rod is provided with an adjusting mechanism;
adopt above-mentioned technical scheme, be convenient for install on the casing through linking the shell, make first electric capacity piece and second electric capacity piece can with detect the bottle contact to detect the bottle, can fix the position of linking the shell through accepting the shell, can push through supporting the piece and link up the shell, make and link up the shell and drive first electric capacity piece and second electric capacity piece and detect the bottle laminating, so that improve the detection precision, be convenient for drive first linking dish rotation through the motor.
As the preferable technical scheme of the invention, the shell and the bearing block are connected with the adjusting bolt in a threaded manner and play a role in fixing the bearing shell, and the positions of the adjusting bolts and the bearing block are arranged in a one-to-one correspondence;
by adopting the technical scheme, the position of the receiving shell can be fixed through the adjusting bolt so as to improve the stability of the installation of the connecting shell, thereby improving the stability of the adhesion of the first capacitor block and the second capacitor block on the connecting shell with the detection bottle body.
As a preferable technical scheme of the invention, the connecting shell is connected with the adjusting rod in a threaded manner and plays a role in lifting the adjusting block, the longitudinal section shape of the adjusting lug is in a trapezoid shape, and the inner side wall of the adjusting lug is attached to the movable short rod;
by adopting the technical scheme, the adjusting rod can drive the adjusting block to lift, so that the adjusting block can drive the adjusting lug to contact with the movable short rod, and the adjusting lug can drive the movable short rod to move the movable block, thereby facilitating subsequent operation.
As the preferable technical scheme of the invention, the first capacitor block and the second capacitor block are both adhered to the detection bottle body and play a role in detecting the detection bottle body, and are both connected with the connecting shell in a clamping way;
by adopting the technical scheme, the first capacitor block and the second capacitor block can be conveniently installed through the connecting shell, so that the first capacitor block and the second capacitor block can detect the detection bottle body and prevent the detection bottle body from falling off.
As the preferable technical scheme of the invention, the upper end and the middle side of the movable block respectively form a sliding structure on the first cross rod and the second cross rod through the first spring and the second spring, the movable block is symmetrically arranged about the vertical perpendicular bisector of the first cross rod and has a clamping effect on the first capacitor block and the second capacitor block, and the inner side wall of the movable block is fixedly provided with a rubber pad which has the function of increasing friction force;
adopt above-mentioned technical scheme, improve movable block gliding stability through first horizontal pole and second horizontal pole, prevent the movable block slope, so that the movable block carries out the centre gripping to first electric capacity piece and second electric capacity piece, the pretightning force of rethread first spring and second spring can improve the stability of movable block to first electric capacity piece and second electric capacity piece centre gripping, the frictional force between movable block and first electric capacity piece and the second electric capacity piece can be increased to the rethread rubber pad, prevent that it from rocking, thereby further improve the stability of laminating between first electric capacity piece and second electric capacity piece and the detection bottle, make it be difficult for receiving external interference, reduce the error, avoid influencing the accuracy of surveying.
As a preferable technical scheme of the invention, the push rod forms a sliding structure on the shell through a third spring, and is connected with the adjusting short rod in a rotating way;
by adopting the technical scheme, the stability of the pushing block to the extrusion of the detection bottle body can be improved through the pretightening force of the third spring, and the short rod can be conveniently adjusted to drive the pushing rod to move.
As a preferable technical scheme of the invention, the adjusting mechanism comprises an adjusting short rod, a moving short rod, a supporting block, a bearing rod, a bearing block, a second connecting disc and a receiving short block;
the adjusting short rod is connected to the left end of the push rod;
a moving short rod connected to the left end of the adjusting short rod;
a support block fixedly installed at the left outer side of the housing and located at the outer side of the motor;
the bearing rod is rotationally connected to the inner side of the left end of the supporting block;
the bearing block is fixedly arranged outside the outer end of the bearing rod;
a second joint plate fixedly installed outside the bearing rod and positioned at the inner side of the bearing block;
the bearing short block is connected to the outside of the inner end of the bearing rod;
by adopting the technical scheme, the push rod is conveniently driven to fix the detection bottle body through the adjusting mechanism.
As the preferable technical scheme of the invention, the bearing rod is symmetrically arranged about the horizontal perpendicular bisector of the bearing short block, and the bearing short block and the bearing rod form a rotating structure and play a role in connection;
by adopting the technical scheme, the bearing rod can be improved in rotating stability and prevented from tilting by connecting the short blocks with the single bearing rod.
As a preferable technical scheme of the invention, the second connecting disc is connected with the first connecting disc in a meshing way and plays a role in driving the monomers of the second connecting disc to rotate in different directions, the bearing block is connected with the movement short rod in a welding way and plays a role in transmission, and the movement short rod is connected with the adjustment short rod in a rotating way;
by adopting the technical scheme, the first connecting plate can drive the single body of the second connecting plate to synchronously rotate in opposite directions, so that the bearing block on the bearing rod is driven to rotate, the bearing block can drive the motion short rod to move, and the motion short rod drives the push rod to slide on the shell through the adjustment short rod, so that the push rod drives the push block to extrude and fix the detection bottle body, the detection bottle body can be tightly attached to the first capacitor block and the second capacitor block, and the detection effect is prevented from being influenced.
Compared with the prior art, the invention has the beneficial effects that: according to the low-error capacitance liquid level detection device, in the using process, the capacitance module can be tightly attached to the bottle body, so that the detection effect is prevented from being influenced, and the stability of the capacitance module when attached to the bottle body is high, so that the capacitance module is not easily interfered by the outside, the error is reduced, and the detection accuracy is prevented from being influenced;
1. the shell and the receiving block are connected with the adjusting bolt in a threaded mode and play a role in fixing the receiving shell, and the rotating adjusting bolt can fix the position of the receiving shell so as to improve the stability of installation of the connecting shell, so that the first capacitor block and the second capacitor block on the connecting shell can be stably attached to the detection bottle body;
2. the movable block and the rubber pad are arranged, a sliding structure is formed on the first cross rod and the second cross rod through the first spring and the second spring respectively at the upper end and the middle side of the movable block, so that the sliding stability of the movable block can be improved by the first cross rod and the second cross rod, the movable block is prevented from inclining, the movable block is convenient to clamp the first capacitor block and the second capacitor block, the stability of the movable block for clamping the first capacitor block and the second capacitor block can be improved by the pretightening force of the first spring and the second spring, the rubber pad with the function of increasing friction force is fixedly arranged on the inner side wall of the movable block, the rubber pad can increase the friction force between the movable block and the first capacitor block and the second capacitor block, the shaking is prevented, the stability of the joint between the first capacitor block and the second capacitor block and the detection bottle body is improved, the external interference is not easy, the error is reduced, and the detection accuracy is prevented from being influenced;
3. be equipped with first joining plate and second joining plate, be connected through second joining plate and first joining plate adoption meshing mode and play and drive the effect of the different direction pivoted between the monomer of second joining plate, make first joining plate can drive the synchronous different direction rotation of monomer of second joining plate, thereby make the second joining plate drive the carrier block on the carrier bar and rotate, and then make the carrier block can drive the motion quarter butt motion, rethread motion quarter butt is connected with the regulation quarter butt adoption pivoted mode, make the motion quarter butt can drive the push rod through the regulation quarter butt and carry out the slip on the casing, so that the push rod drives the ejector pad and extrudees fixedly to detecting the bottle, make detecting the bottle can closely laminate with first electric capacity piece and second electric capacity piece, avoid influencing the detection effect.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is a schematic side sectional view of the connection of the adapter housing and the receiving housing of the present invention;
fig. 7 is a schematic side sectional view of the connection of the housing and the receiving housing of the present invention.
In the figure: 1. a housing; 2. detecting the bottle body; 3. a joining shell; 4. a receiving shell; 5. abutting blocks; 6. a receiving block; 7. an adjusting bolt; 8. a first capacitor block; 9. a second capacitor block; 10. an adjusting rod; 11. an adjusting block; 12. an adjustment tab; 13. a first cross bar; 14. a first spring; 15. a movable block; 16. a movable short rod; 17. a rubber pad; 18. a second cross bar; 19. a second spring; 20. a motor; 21. a first adaptor plate; 22. a push rod; 23. a pushing block; 24. a third spring; 25. adjusting the short rod; 26. a motion short bar; 27. a support block; 28. a carrier bar; 29. a bearing block; 30. a second adaptor plate; 31. and receiving the short blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: a low error capacitive liquid level detection device comprising: the inside of the shell 1 is provided with the detection bottle body 2, the right inner wall of the shell 1 is connected with the connection shell 3 in a clamping manner, the right outer part of the connection shell 3 is connected with the connection shell 4 in a clamping manner, the right inner wall of the connection shell 4 is fixedly connected with the supporting block 5 and plays a role in pushing the connection shell 3, the connection shell 3 is conveniently clamped into the shell 1 for installation, the connection shell 3 is conveniently fixed through the connection shell 4, the connection blocks 6 are uniformly distributed outside the connection shell 4, the inside of the connection block 6 is connected with the adjusting bolt 7 in a penetrating manner, the upper side of the connection shell 3 is internally connected with the first capacitor block 8, the lower side of the connection shell 3 is internally connected with the second capacitor block 9, and the right side of the upper end of the connection shell 3 is connected with the adjusting rod 10 in a penetrating manner, and the detection bottle body 2 is conveniently detected through the first capacitor block 8 and the second capacitor block 9;
the adjusting block 11 is rotationally connected to the lower end of the adjusting rod 10, the front side and the rear side of the lower end surface of the adjusting block 11 are fixedly provided with adjusting convex blocks 12, the right part of the upper side of the connecting shell 3 is fixedly provided with a first cross rod 13, the middle side of the first cross rod 13 is sleeved with a first spring 14, the movable block 15 is connected to the outer part of the first cross rod 13 and is positioned at the outer side of the first spring 14, the outer part of the upper end of the movable block 15 is rotationally connected with a movable short rod 16, the left side of the middle part of the first cross rod 13 is fixedly provided with a second cross rod 18, and the outer part of the second cross rod 18 is sleeved with a second spring 19;
the motor 20 passes through bolt fixed mounting in the left side outside of casing 1, and motor 20's output fixed mounting has first adapter plate 21, and casing 1's left side wall through-connection has push rod 22, and push rod 22's right-hand member fixed mounting has ejector pad 23, and the third spring 24 cover is established and is connected in push rod 22's left side outside, and push rod 22's left end is provided with adjustment mechanism, is convenient for drive movable block 15 motion through movable short rod 16, is convenient for drive first adapter plate 21 through motor 20 and rotates, is convenient for drive push rod 22 through adjustment mechanism and makes ejector pad 23 extrude fixedly to detecting bottle 2, makes things convenient for follow-up detection.
When the low-error capacitance liquid level detection device is used, a detection bottle body 2 is placed in a shell 1 and is attached to the right side wall of the shell 1, specifically, as shown in fig. 1, 2 and 6, a first capacitance block 8 and a second capacitance block 9 are connected with a connecting shell 3 in a clamping manner, the first capacitance block 8 and the second capacitance block 9 are clamped and installed in the connecting shell 3, an adjusting rod 10 is rotated, the adjusting rod 10 is connected with the connecting shell 3 and the adjusting rod 10 in a threaded manner and plays a lifting role on an adjusting block 11, the adjusting rod 10 can drive the adjusting block 11 and an adjusting lug 12 to descend, the inner side wall of the adjusting lug 12 is attached to a movable short rod 16, the adjusting lug 12 can be contacted with the movable short rod 16, the movable block 15 on the movable short rod 16 is driven to move, and the movable block 15 is symmetrically installed about a vertical center line of a first cross rod 13 and plays a clamping effect on the first capacitance block 8 and the second capacitance block 9, so that the movable block 15 can clamp the first capacitance block 8 and the second capacitance block 9;
as shown in fig. 1, fig. 4 and fig. 6, the connection shell 3 is then clamped in the receiving shell 4, and then the connection shell 3 is clamped and installed on the shell 1, so that the first capacitor block 8 and the second capacitor block 9 can be adhered to the detection bottle body 2 and play a role in detecting the detection bottle body 2, meanwhile, a sliding structure is formed on the first cross rod 13 and the second cross rod 18 through the first spring 14 and the second spring 19 respectively at the upper end and the middle side of the movable block 15, the movement stability of the movable block 15 can be improved by the first cross rod 13 and the second cross rod 18, and the inclination of the movable block 15 is prevented;
the pretightening force of the first spring 14 and the second spring 19 can improve the clamping stability of the movable block 15 on the first capacitor block 8 and the second capacitor block 9, and the rubber pad 17 with the friction force increasing effect is fixedly arranged on the inner side wall of the movable block 15, so that the rubber pad 17 can increase the friction force between the movable block 15 and the first capacitor block 8 and the second capacitor block 9 and prevent the movable block from shaking, the mounting stability of the first capacitor block 8 and the second capacitor block 9 on the connecting shell 3 is improved, the bonding stability between the first capacitor block 8 and the second capacitor block 9 and the detection bottle body 2 is improved, the movable block is not easy to be interfered by the outside, the error is reduced, and the detection accuracy is prevented from being influenced;
specifically, as shown in fig. 1, 3 and 5, the starting motor 20 drives the first connecting plate 21 to rotate, the second connecting plate 30 is connected with the first connecting plate 21 in a meshing manner and plays a role in driving the monomers of the second connecting plate 30 to rotate in different directions, so that the first connecting plate 21 can drive the monomers of the second connecting plate 30 to synchronously rotate in different directions, and the second connecting plate 30 drives the bearing block 29 on the bearing rod 28 to rotate, and then is connected with the moving short rod 26 in a welding manner through the bearing block 29 and plays a role in transmission;
the matched movement short rod 26 is connected with the adjustment short rod 25 in a rotating way, the push rod 22 is connected with the adjustment short rod 25 in a rotating way, the bearing block 29 can drive the movement short rod 26 to move, the movement short rod 26 can drive the push rod 22 to slide on the shell 1 through the adjustment short rod 25, so that the push rod 22 drives the push rod 23 to extrude and fix the detection bottle body 2, the detection bottle body 2 can be attached to the first capacitor block 8 and the second capacitor block 9, meanwhile, as the push rod 22 forms a sliding structure on the shell 1 through the third spring 24, and the push rod 22 is connected with the adjustment short rod 25 in a rotating way, the pretightening force of the third spring 24 can improve the extrusion stability of the push rod 23 on the detection bottle body 2;
specifically, as shown in fig. 1, fig. 4 and fig. 7, the adjusting bolt 7 is rotated simultaneously, the shell 1 and the receiving block 6 are connected with the adjusting bolt 7 in a threaded manner and play a role in fixing the receiving shell 4, so that the adjusting bolt 7 can drive the receiving shell 4 to approach the shell 1, in the process of moving the receiving shell 4, the receiving shell 4 can drive the connecting shell 3 to slide in the shell 1 and move towards the detection bottle 2 through the abutting block 5, so that the first capacitor block 8 and the second capacitor block 9 on the connecting shell 3 can be tightly attached to the detection bottle 2, the detection effect is prevented from being influenced, the monomer driving the bearing rod 28 rotates on the receiving short block 31 in the process of rotating the second connecting disc 30, the receiving short block 31 and the bearing rod 28 are symmetrically installed about the horizontal perpendicular line of the receiving short block 31, and the receiving short block 31 and the bearing rod 28 form a rotating structure and play a role in connection, the receiving short block 31 can be connected with the monomer of the bearing rod 28, the rotating stability of the bearing rod 28 can be improved, the inclination is prevented, and the stable support of the bearing rod 28 is facilitated through the supporting block 27.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the invention belongs to the prior art known to the person skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. A low error capacitive liquid level detection device, comprising:
the detection bottle body is placed in the shell, the right inner wall of the shell is connected with the connecting shell in a clamping manner, the right outer part of the connecting shell is connected with the receiving shell in a clamping manner, and the right inner wall of the receiving shell is fixedly connected with the abutting block and has a pushing effect on the connecting shell;
the connecting shell is internally connected with a first capacitor block, the lower side of the connecting shell is internally connected with a second capacitor block, and the right side of the upper end of the connecting shell is connected with an adjusting rod in a penetrating way; the adjusting block is rotationally connected to the lower end of the adjusting rod, adjusting convex blocks are fixedly arranged on the front side and the rear side of the lower end surface of the adjusting block, a first cross rod is fixedly arranged on the right part of the upper side of the connecting shell, and a first spring is sleeved outside the middle side of the first cross rod;
the movable block is connected to the outside of the first cross rod and is positioned at the outer side of the first spring, the outer part of the upper end of the movable block is rotationally connected with a movable short rod, the left side of the middle part of the first cross rod is fixedly provided with a second cross rod, and the outer part of the second cross rod is sleeved and connected with a second spring;
the motor is fixedly arranged outside the left side of the shell through a bolt, a first connecting disc is fixedly arranged at the output end of the motor, a push rod is connected with the left side wall of the shell in a penetrating manner, and a push block is fixedly arranged at the right end of the push rod;
the third spring is sleeved and connected to the left outer part of the push rod, and the left end of the push rod is provided with an adjusting mechanism;
the adjusting mechanism comprises an adjusting short rod, a moving short rod, a supporting block, a bearing rod, a bearing block, a second connecting disc and a receiving short block;
the adjusting short rod is connected to the left end of the push rod;
a moving short rod connected to the left end of the adjusting short rod;
a support block fixedly installed at the left outer side of the housing and located at the outer side of the motor;
the bearing rod is rotationally connected to the inner side of the left end of the supporting block;
the bearing block is fixedly arranged outside the outer end of the bearing rod;
a second joint plate fixedly installed outside the bearing rod and positioned at the inner side of the bearing block;
the bearing short block is connected to the outside of the inner end of the bearing rod;
the bearing rods are symmetrically arranged about the horizontal center vertical line of the bearing short block, and the bearing short block and the bearing rods form a rotating structure and play a role in connection;
the second connecting plate is connected with the first connecting plate in a meshing mode and plays a role in driving the single bodies of the second connecting plate to rotate in different directions, the bearing block is connected with the movement short rod in a welding mode and plays a role in transmission, and the movement short rod is connected with the adjustment short rod in a rotating mode.
2. The low error capacitive liquid level detection apparatus of claim 1, wherein: the shell and the receiving block are connected with the adjusting bolt in a threaded mode and play a role in fixing the receiving shell, and the positions of the adjusting bolt are in one-to-one correspondence with the receiving blocks.
3. The low error capacitive liquid level detection apparatus of claim 1, wherein: the connecting shell is connected with the adjusting rod in a threaded mode and plays a role in lifting the adjusting block, the longitudinal section of the adjusting lug is trapezoidal, and the inner side wall of the adjusting lug is attached to the movable short rod.
4. The low error capacitive liquid level detection apparatus of claim 1, wherein: the first capacitor block and the second capacitor block are all adhered to the detection bottle body and play a role in detecting the detection bottle body, and the first capacitor block and the second capacitor block are connected with the connection shell in a clamping mode.
5. The low error capacitive liquid level detection apparatus of claim 1, wherein: the upper end and the middle side of the movable block respectively form a sliding structure on the first cross rod and the second cross rod through the first spring and the second spring, the movable block is symmetrically installed on the vertical perpendicular bisector of the first cross rod and has a clamping effect on the first capacitor block and the second capacitor block, and a rubber pad which plays a role in increasing friction force is fixedly installed on the inner side wall of the movable block.
6. The low error capacitive liquid level detection apparatus of claim 1, wherein: the push rod forms a sliding structure on the shell through a third spring, and is connected with the adjusting short rod in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110685354.4A CN113483855B (en) | 2021-06-21 | 2021-06-21 | Low-error capacitance liquid level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110685354.4A CN113483855B (en) | 2021-06-21 | 2021-06-21 | Low-error capacitance liquid level detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113483855A CN113483855A (en) | 2021-10-08 |
| CN113483855B true CN113483855B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110685354.4A Active CN113483855B (en) | 2021-06-21 | 2021-06-21 | Low-error capacitance liquid level detection device |
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| WO2007142933A2 (en) * | 2006-05-31 | 2007-12-13 | Giraffe Liquid Management Systems, Inc. | Liquid level detectors and systems for use |
| CN101189493A (en) * | 2005-06-03 | 2008-05-28 | 格斯特拉股份公司 | Capacitive level probe |
| CN210533486U (en) * | 2019-09-24 | 2020-05-15 | 河南菲普斯特仪器仪表有限公司 | Barrel type capacitance liquid level meter |
| CN210897011U (en) * | 2019-11-01 | 2020-06-30 | 南京绿索电子科技有限公司 | Novel super capacitor module |
| DE102019124205A1 (en) * | 2019-09-10 | 2021-03-11 | Ifm Electronic Gmbh | Bracket for a capacitive level sensor |
| CN212695036U (en) * | 2020-08-03 | 2021-03-12 | 常熟美达电子科技有限公司 | Convenient-to-position capacitor rubberizing and winding device for electronic component production |
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| CN101189493A (en) * | 2005-06-03 | 2008-05-28 | 格斯特拉股份公司 | Capacitive level probe |
| WO2007142933A2 (en) * | 2006-05-31 | 2007-12-13 | Giraffe Liquid Management Systems, Inc. | Liquid level detectors and systems for use |
| DE102019124205A1 (en) * | 2019-09-10 | 2021-03-11 | Ifm Electronic Gmbh | Bracket for a capacitive level sensor |
| CN210533486U (en) * | 2019-09-24 | 2020-05-15 | 河南菲普斯特仪器仪表有限公司 | Barrel type capacitance liquid level meter |
| CN210897011U (en) * | 2019-11-01 | 2020-06-30 | 南京绿索电子科技有限公司 | Novel super capacitor module |
| CN212695036U (en) * | 2020-08-03 | 2021-03-12 | 常熟美达电子科技有限公司 | Convenient-to-position capacitor rubberizing and winding device for electronic component production |
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