CN217900958U - Automatic resetting device for floater of liquid level meter - Google Patents
Automatic resetting device for floater of liquid level meter Download PDFInfo
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- CN217900958U CN217900958U CN202221861355.6U CN202221861355U CN217900958U CN 217900958 U CN217900958 U CN 217900958U CN 202221861355 U CN202221861355 U CN 202221861355U CN 217900958 U CN217900958 U CN 217900958U
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- stepping motor
- float
- direct current
- reset switch
- liquid level
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Abstract
The utility model relates to a level measurement field: the utility model provides a level gauge float automatic re-setting device, includes volume adjustable body (3), float bar (2), reset switch (4) of control body (3) volume change, cycle time relay, and float bar (2) and body (3) connect into a straight line, and float bar (2) are a straight-bar, and in the use, body (3) are in liquid, and float bar (2) are vertical upwards, and cycle time relay connects reset switch. The utility model discloses an adjustment body (3) volume change can make the level gauge luffing motion, and then solves the attached oil on the float when more, is absorbed in viscous liquid easily, can't float in the liquid surface, causes level gauge reading and actual liquid level deviation.
Description
Technical Field
The utility model relates to a level measurement field.
Background
A liquid level meter, a kind of level meter, refers to a meter for measuring liquid level. The level of the liquid medium in the vessel is called the liquid level.
The cold rolling process generally adopts emulsion as a cooling and lubricating medium. The emulsion is obtained by uniformly mixing rolling oil and water according to a certain proportion. The liquid level detection of a pure oil tank and a sewage draining pit in the emulsion system adopts a float type liquid level meter. The waste liquid in the drain pit contains emulsion, hydraulic oil, waste water and the like, and the crude oil floating on the liquid surface of the miscellaneous oil and in the pure oil tank is similar to the miscellaneous oil and is relatively viscous and easy to attach to the floater. When the floater is attached with more oil, the floater is easy to sink into viscous liquid and can not float on the liquid surface, so that the reading of the liquid level meter and the actual liquid level are deviated. Therefore, the problem of wrong display of the liquid level meter often occurs, so that liquid overflows from a pit and a fuel tank, the cost is increased, and the environmental impact is large.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: how to solve the liquid level gauge float in ropy liquid, the easy wrong problem of liquid level gauge demonstration takes place.
The utility model adopts the technical proposal that: the utility model provides a level gauge float automatic re-setting device, includes volume adjustable body (3), float rod (2), reset switch (4), the cycle time relay of control body (3) volume change, and float rod (2) and body (3) connect into a straight line, and float rod (2) are a straight-bar, and in the use, body (3) are in liquid, and float rod (2) are vertical upwards, and reset switch is connected to the cycle time relay.
The automatic floater resetting device of the liquid level meter further comprises a pressure transmitter and a liquid level display meter (1), wherein the pressure transmitter is arranged on the lower portion of the floater (3), the liquid level display meter (1) is arranged on the top of the floating rod (2), and the pressure transmitter is connected with an electric signal of the liquid level display meter (1).
The floating body (3) comprises an upper shell (31), a lower shell (32), a direct current stepping motor (33) and a clamping plate (34), wherein an annular groove (36) or an annular protrusion (35) is formed in the opening portion of the upper shell (31), an annular protrusion (35) or an annular groove (36) is formed in the opening portion of the lower shell (32), the upper shell (31) and the lower shell (32) jointly have the annular groove (36) and the annular protrusion (35), the annular protrusion (35) is matched with the annular groove (36) in size, the annular protrusion (35) is inserted into the annular groove (36), the base of the direct current stepping motor (33) is fixed inside the lower shell (32)/the upper shell (31), the clamping plate (34) is fixed inside the upper shell (31)/the lower shell (32), the output shaft of the direct current stepping motor (33) is externally threaded and vertically upwards, the clamping plate (34) is parallel to the center and is provided with a through hole (38) with internal threads, and the output shaft of the direct current stepping motor (33) penetrates through hole (38).
The outer wall of the staggered part of the annular protrusion (35) and the annular groove (36) is provided with a sealing sleeve (37), and the sealing sleeve is fixed on the outer wall of the upper shell (31) or the lower shell (32).
An annular clamping edge (39) is arranged at the end part of an output shaft of the direct current stepping motor (33).
The integral structure of the upper shell (31) and the lower shell (32) is a hemispherical and cylindrical integrated structure.
The reset switch is provided with three pairs of contacts A1\ B1, A2\ B2 and A3\ B3 respectively, when the reset switch is at a first position, the reset switch contact A1\ B1 is in a connection state, at the moment, the direct current stepping motor (33) rotates clockwise/anticlockwise, when the reset switch is at a second position, the reset switch contact A2\ B2 is in the connection state, at the moment, the direct current stepping motor (33) does not move, when the reset switch is at a third position, the reset switch contact A3\ B3 is in the connection state, at the moment, the direct current stepping motor (33) rotates anticlockwise/rotates clockwise.
In the cycle time relay, the contact A11\ B11 is connected with a power supply, the contact A22\ B22 and the contact A33\ B33 are connected with a direct current stepping motor (33), J1, J3 and J5 are normally closed time relay contacts, J2 and J4 are normally open time relay contacts, when J2 reaches the set time, J2 is conducted, the direct current stepping motor starts to rotate, when J1 reaches the set time, J1 is disconnected, and meanwhile J4 also reaches the set time, J4 is conducted, at the moment, the direct current stepping motor starts to reverse, when J3 reaches the set time, J3 is disconnected, at the moment, the direct current stepping motor stops, and when J5 reaches the set time, J5 is disconnected, and the cycle time relay starts to count again.
The beneficial effects of the utility model are that: the utility model discloses an adjustment body (3) volume change can make the level gauge luffing motion, and then solves the attached oil on the float when more, is absorbed in viscous liquid easily, can't float in the liquid surface, causes level gauge reading and actual liquid level deviation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a floating body structure;
FIG. 3 is a schematic diagram of a DC stepper motor connection circuit;
FIG. 4 is a schematic view of a float mounting of the gauge;
FIG. 5 is a schematic diagram of a cycle time relay connection;
the liquid level display device comprises a liquid level display meter 1, a liquid level display meter 2, a floating rod 3, a floating body 4, a reset switch 5, a power supply 6, a reset switch contact 7, a fence cover central hole 8, a fence barrel 31, an upper shell 32, a lower shell 33, a direct current stepping motor 34, a clamping plate 35, an annular protrusion 36, an annular groove 37, a sealing sleeve 38, a through hole with internal threads 39 and an annular clamping edge.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1-5, an automatic float resetting device for a liquid level meter is characterized in that: the floating body control device comprises a floating body 3 with adjustable volume, a floating rod 2, a reset switch 4 for controlling the volume change of the floating body 3 and a cycle time relay, wherein the floating rod 2 is connected with the floating body 3 into a straight line, the floating rod 2 is a straight rod, the floating body 3 is positioned in liquid in the using process, the floating rod 2 is vertically upwards, and the cycle time relay is connected with the reset switch.
In one embodiment, the automatic float resetting device of the liquid level meter further comprises a pressure transmitter and a liquid level display meter 1, wherein the pressure transmitter is arranged at the lower part of the float 3, the liquid level display meter 1 is arranged at the top part of the floating rod 2, and the pressure transmitter is in electrical signal connection with the liquid level display meter 1. The reset switch 4 is arranged on the side part of the liquid level display meter 1.
In one embodiment, the floating body 3 includes an upper housing 31, a lower housing 32, a dc stepping motor 33, and a clamping plate 34, wherein the upper housing 31 has an annular groove 36 or an annular protrusion 35 at the mouth thereof, the lower housing 32 has an annular protrusion 35 or an annular groove 36 at the mouth thereof, the upper housing 31 and the lower housing 32 together have an annular groove 36 and an annular protrusion 35, the annular protrusion 35 is matched with the annular groove 36 in size, the annular protrusion 35 is inserted into the annular groove 36, the base of the dc stepping motor 33 is fixed inside the lower housing 32/the upper housing 31, the clamping plate 34 is fixed inside the upper housing 31/the lower housing 32, the output shaft of the dc stepping motor 33 is externally threaded and vertically upward, the clamping plate 34 is parallel to the horizontal plane and has a through hole 38 with internal threads at the center thereof, the output shaft of the dc stepping motor 33 passes through the through hole 38, and the external threads of the output shaft are engaged with the internal threads of the through hole 38.
In one embodiment: the outer wall of the intersection of the annular protrusion 35 and the annular groove 36 has a sealing sleeve 37 fixed to the outer wall of the upper shell 31 or the lower shell 32.
In one embodiment: the output shaft end of the dc stepping motor 33 has an annular flange 39. The upper and lower cases 31 and 32 are prevented from coming off. In this case, the housing with the annular ledge 39 is a combination of two 1/4 housings.
In one embodiment, the upper shell 31 and the lower shell 32 are integrally formed in a hemispherical + cylindrical structure.
In one embodiment, the reset switch has three pairs of contacts, namely, A1\ B1, A2\ B2 and A3\ B3, when the reset switch is at the first position, the reset switch contact A1\ B1 is in the on state, at this time, the dc stepping motor 33 rotates clockwise/counterclockwise, when the reset switch is at the second position, the reset switch contact A2\ B2 is in the on state, at this time, the dc stepping motor 33 does not move, when the reset switch is at the third position, the reset switch contact A3\ B3 is in the on state, at this time, the dc stepping motor 33 rotates counterclockwise/clockwise. When J2 reaches the set time, J2 switches on, and direct current stepping motor begins to rotate, when J1 reaches the set time, J1 disconnection, and J4 also reaches the set time simultaneously, and J4 switches on, and direct current stepping motor begins the reversal at this moment, and when J3 reaches the set time, J3 disconnection, at this moment direct current stepping motor stops, and when J5 reached the set time, J5 disconnection, the cycle time relay begins to count again.
In one embodiment, in the cycle time relay, the contact A11\ B11 is connected with a power supply, the contact A22\ B22 and the contact A33\ B33 are connected with the direct current stepping motor 33, the contacts J1, J3 and J5 are normally closed time relay contacts, and the contacts J2 and J4 are normally open time relay contacts.
The above embodiments are merely illustrative, and not restrictive, of the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all of the technical solutions should be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a level gauge float automatic re-setting device which characterized in that: the floating body control device comprises a floating body (3) with adjustable volume, a floating rod (2), a reset switch (4) for controlling the volume change of the floating body (3) and a cycle time relay, wherein the floating rod (2) is connected with the floating body (3) into a straight line, the floating rod (2) is a straight rod, the floating body (3) is in liquid in the using process, the floating rod (2) vertically upwards, and the cycle time relay is connected with the reset switch.
2. The automatic resetting device for the float of the liquid level meter as claimed in claim 1, characterized in that: the automatic floater resetting device of the liquid level meter further comprises a pressure transmitter and a liquid level display meter (1), wherein the pressure transmitter is arranged on the lower portion of the floater (3), the liquid level display meter (1) is arranged on the top of the floating rod (2), and the pressure transmitter is connected with an electric signal of the liquid level display meter (1).
3. The automatic level gauge float resetting device as claimed in claim 1, wherein: the floating body (3) comprises an upper shell (31), a lower shell (32), a direct current stepping motor (33) and a clamping plate (34), wherein an annular groove (36) or an annular protrusion (35) is formed in the mouth of the upper shell (31), an annular protrusion (35) or an annular groove (36) is formed in the mouth of the lower shell (32), the upper shell (31) and the lower shell (32) jointly have an annular groove (36) and an annular protrusion (35), the annular protrusion (35) is matched with the annular groove (36) in size, the annular protrusion (35) is inserted into the annular groove (36), a base of the direct current stepping motor (33) is fixed inside the lower shell (32)/the upper shell (31), the clamping plate (34) is fixed inside the upper shell (31)/the lower shell (32), an output shaft of the direct current stepping motor (33) is externally threaded and vertically upwards, the through hole (38) with internal threads is formed in the center of the direct current stepping motor (33) and is parallel to the horizontal plane, and the output shaft of the direct current stepping motor (33) penetrates through hole (38) and external threads of the output shaft are meshed with internal threads of the through hole (38).
4. The automatic level gauge float resetting device as claimed in claim 3, wherein: the outer wall of the staggered part of the annular protrusion (35) and the annular groove (36) is provided with a sealing sleeve (37), and the sealing sleeve is fixed on the outer wall of the upper shell (31) or the lower shell (32).
5. The automatic resetting device for the float of the liquid level meter as claimed in claim 3, characterized in that: an annular clamping edge (39) is arranged at the end part of an output shaft of the direct current stepping motor (33).
6. The automatic resetting device for the float of the liquid level meter as claimed in claim 3, characterized in that: the integral structure of the upper shell (31) and the lower shell (32) is a hemispherical and cylindrical integrated structure.
7. The automatic level gauge float resetting device as claimed in claim 3, wherein: the reset switch is provided with three pairs of contacts A1\ B1, A2\ B2 and A3\ B3 respectively, when the reset switch is positioned at a first position, the reset switch contact A1\ B1 is in a switch-on state, at the moment, the direct current stepping motor (33) rotates clockwise/anticlockwise, when the reset switch is positioned at a second position, the reset switch contact A2\ B2 is in the switch-on state, at the moment, the direct current stepping motor (33) does not move, when the reset switch is positioned at a third position, the reset switch contact A3\ B3 is in the switch-on state, and at the moment, the direct current stepping motor (33) rotates anticlockwise/rotates clockwise.
8. The automatic level gauge float resetting device as claimed in claim 7, wherein: in the cycle time relay, the contact A11\ B11 is connected with a power supply, the contact A22\ B22 and the contact A33\ B33 are connected with a direct current stepping motor (33), the contacts J1, J3 and J5 are normally closed time relay contacts, and the contacts J2 and J4 are normally open time relay contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861355.6U CN217900958U (en) | 2022-07-20 | 2022-07-20 | Automatic resetting device for floater of liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221861355.6U CN217900958U (en) | 2022-07-20 | 2022-07-20 | Automatic resetting device for floater of liquid level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217900958U true CN217900958U (en) | 2022-11-25 |
Family
ID=84136633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221861355.6U Active CN217900958U (en) | 2022-07-20 | 2022-07-20 | Automatic resetting device for floater of liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217900958U (en) |
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2022
- 2022-07-20 CN CN202221861355.6U patent/CN217900958U/en active Active
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