CN110646060A - Radio frequency capacitance switch - Google Patents
Radio frequency capacitance switch Download PDFInfo
- Publication number
- CN110646060A CN110646060A CN201910869475.7A CN201910869475A CN110646060A CN 110646060 A CN110646060 A CN 110646060A CN 201910869475 A CN201910869475 A CN 201910869475A CN 110646060 A CN110646060 A CN 110646060A
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- Prior art keywords
- screw
- block
- hole
- radio frequency
- instrument
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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
- G01F23/268—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 mounting arrangements of probes
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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)
- Electronic Switches (AREA)
Abstract
The invention discloses a radio frequency capacitance switch which comprises an instrument, wherein one side of the instrument is provided with a wire outlet screw hole, one side of the instrument is connected with a probe, the outer surface of one end, close to the instrument, of the probe is connected with an installation joint, one side, close to the probe, of the installation joint is fixedly connected with a sealing ring, one side, far away from the wire outlet screw hole, of the instrument is fixedly connected with a connecting block, a screw hole is formed in the connecting block, a screw rod is connected with the screw hole in an internal thread mode, the outer surface, close to the probe, of one end of the screw rod is provided with a sleeve, one end, far away from the connecting block, of the sleeve is movably connected with a fixed block, the. Has the advantages that: this radio frequency capacitance switch not only can control the quasi-position of material, can further improve the firm that switch and storage bucket are connected, can reduce rocking or the vibrations of storage bucket to the influence of switch.
Description
Technical Field
The invention relates to the technical field of radio frequency capacitive switches, in particular to a radio frequency capacitive switch.
Background
The radio frequency capacitance switch is a new type material level detecting instrument, when the sensor is mounted on the bin body, the probe and bin wall are respectively similar to two electrodes of capacitor, because the dielectric constant of the material to be detected is different from that of air, therefore, when the object position in the bin changes, the capacitance between the probe electrode and the bin wall changes, and when the capacitance is larger than the set value of a user, the relay in the limit switch acts to output a switch signal to achieve the purpose of control or alarm, is suitable for the level control or upper and lower limit alarm of block, granular, powder and liquid materials, and is suitable for severe environments such as high temperature, high pressure, strong corrosion, much dust and the like, the switch is widely applied to industries such as metallurgy, petroleum, chemical engineering, light industry, coal, cement, grain and the like, usually, the switch is inserted into a charging basket, but when the shaking property of the charging basket is large, the stability of the radio frequency capacitance switch can be influenced.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention is directed to a radio frequency capacitor switch, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a radio frequency capacitance switch, includes the instrument, one side of instrument is equipped with the screw of being qualified for the next round of competitions, the one side of instrument is connected with the probe, the probe is close to the one end surface connection of instrument has the erection joint, the instrument is kept away from one side fixedly connected with connecting block of the screw of being qualified for the next round of competitions, open the inside of connecting block has the screw, screw female connection has the screw rod, the screw rod is close to the one end surface of probe is equipped with the sleeve, the sleeve is kept away from the one end swing joint of connecting block has the fixed block, be.
Furthermore, a sealing ring is fixedly connected to one side of the mounting joint, which is close to the probe.
Furthermore, one end of the screw rod, which is positioned inside the sleeve, and the fixing block are connected with a plurality of springs, a sliding mechanism is arranged between the sleeve and the screw rod, and a pushing mechanism is arranged in the middle of the screw rod.
Furthermore, one side of the screw rod, which is far away from the fixed block, is fixedly connected with a rotating block.
Furthermore, slide mechanism includes spout and slider, open the both sides of screw rod has the spout, the sleeve is close to spout department fixedly connected with slider, the spout with the slider phase-match.
Furthermore, pushing mechanism includes through-hole one, through-hole two and push rod, open at the middle part of rotatory piece has through-hole one, open at the middle part of screw rod has through-hole two, the one end of push rod runs through-hole one and through-hole two, and with fixed block fixed connection.
Furthermore, one end of the push rod, which is far away from the fixed block, is fixedly connected with the push block.
Furthermore, the fixed block is close to one side fixedly connected with gag lever post of connecting block, it has through-hole three to open on the connecting block, through-hole three with the gag lever post phase-match.
Compared with the prior art, the invention has the following beneficial effects:
(1) this radio frequency capacitance switch not only can control the quasi-position of material, and is fixed with being connected of storage bucket simultaneously, can further improve the firm that switch and storage bucket are connected, can reduce rocking or the vibrations of storage bucket to the influence of switch.
(2) The sealing ring has the leakproofness, can seal the junction of storage bucket and switch, and the spring plays absorbing effect, and slide mechanism can carry on spacingly to the sleeve, makes the sleeve only can remove and can not rotate on the screw rod.
(3) The rotating block can rotate the screw rod, the pushing mechanism is matched with the pushing block, the fixed block can be moved, the limiting rod can support the fixed block in a limiting mode, and stability of the fixed block is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a radio frequency capacitor switch according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a sliding mechanism in a radio frequency capacitive switch according to an embodiment of the present invention.
Reference numerals:
1. a meter; 2. a wire outlet screw hole; 3. a probe; 4. installing a connector; 5. connecting blocks; 6. a screw hole; 7. a screw; 8. a sleeve; 9. a fixed block; 10. a suction cup; 11. a seal ring; 12. a spring; 13. rotating the block; 14. a chute; 15. a slider; 16. a first through hole; 17. a second through hole; 18. a push rod; 19. a push block; 20. a limiting rod; 21. and a third through hole.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1-2, a radio frequency capacitive switch according to an embodiment of the present invention includes an instrument 1, one side of the instrument 1 is provided with a wire outlet screw hole 2, one side of the instrument 1 is connected with a probe 3, an outer surface of one end of the probe 3 close to the instrument 1 is connected with an installation joint 4, one side of the installation joint 4 close to the probe 3 is fixedly connected with a sealing ring 11, and the sealing ring 11 has sealing performance and can seal a connection portion between a charging bucket and the switch;
the side, far away from the wire outlet screw hole 2, of the instrument 1 is fixedly connected with a connecting block 5, a screw hole 6 is formed in the connecting block 5, a screw 7 is connected with the screw hole 6 in an internal thread manner, the screw hole 6 is matched with the screw 7, a sleeve 8 is arranged on the outer surface of one end, close to the probe 3, of the screw 7, one end, far away from the connecting block 5, of the sleeve 8 is movably connected with a fixed block 9, it needs to be explained that the sleeve 8 is movably connected with the fixed block 9 through a bearing, a limiting rod 20 is fixedly connected to one side, close to the connecting block 5, of the fixed block 9, a through hole three 21 is formed in the connecting block 5, the through hole three 21 is matched with the limiting rod 20, the limiting rod 20 plays a role in supporting and limiting for the fixed block 9, the stability of the fixed block 9 is, be connected with a plurality of sucking discs 10 on the fixed block 9, sucking disc 10 can adsorb on the storage bucket, screw rod 7 is kept away from one side fixedly connected with rotatory piece 13 of fixed block 9, rotatory piece 13 can carry out rotatory operation to screw rod 7.
Example two:
referring to fig. 1-2, a plurality of springs 12 are connected between one end of the screw 7 located inside the sleeve 8 and the fixed block 9, the springs 12 play a role in shock absorption, a sliding mechanism is arranged between the sleeve 8 and the screw 7, the sliding mechanism includes a sliding chute 14 and a sliding block 15, the sliding chutes 14 are formed on two sides of the screw 7, the sliding block 15 is fixedly connected to the position of the sleeve 8 close to the sliding chute 14, the sliding chute 14 is matched with the sliding block 15, the sliding block 15 is located in the sliding chute 14 and can limit the sleeve 8, so that the sleeve 8 can only move but cannot rotate on the screw 7, and a pushing mechanism is arranged in the middle of the screw 7;
for the pushing mechanism, it needs to be described that the pushing mechanism includes a first through hole 16, a second through hole 17 and a push rod 18, the first through hole 16 is formed in the middle of the rotating block 13, the second through hole 17 is formed in the middle of the screw 7, one end of the push rod 18 penetrates through the first through hole 16 and the second through hole 17, it needs to be described that the diameters of the first through hole 16 and the second through hole 17 are larger than the diameter of the push rod 18, so that the push rod 18 can penetrate through the first through hole 16 and the second through hole 17 and is fixedly connected with the fixed block 9, it needs to be emphasized that the spring 12 is located on the periphery of the push rod 18, one end of the push rod 18, which is far away from the fixed block 9, is fixedly connected with the push.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the switch is connected and fixed with the charging basket through the mounting joint 4, the sealing ring 11 can seal the joint of the switch and the charging basket, the probe 3 is positioned inside the charging basket, then the screw 7 is rotated through the rotating block 13 to enable the screw 7 to rotate to move towards the charging basket, the sleeve 8 moves along with the screw 7, the sucker 10 on the fixed block 9 is attached to the outer wall of the charging basket, one end of the limiting rod 20 on the fixed block 9 penetrates through the third through hole 21 and is positioned at the other side of the third through hole 21, the fixed block 9 can not rotate along with the screw 7, the push rod 18 can be extruded inwards through the push block 19, the push rod 18 drives the fixed block 9 to move, the sucker 10 is tightly attached to the charging basket, the sliding block 15 on the sleeve 8 slides in the sliding groove 14 on the screw 7, the sucker 10 is attached to the outer wall of the charging basket, the switch is more tightly connected with the charging basket, when the, the spring 12 can play a role in shock absorption, the extension and contraction of the spring 12 perform shock absorption operation, and the sliding block 15 on the sleeve 8 slides in the sliding groove 14 on the screw 7 at the moment, so that the influence of shock on the switch is reduced.
Compare with patent 201020647763.2, 200710077626.2, this radio frequency capacitance switch not only can control the quasi-position of material, fixed with being connected of storage bucket simultaneously, can further improve the firm that switch and storage bucket are connected, can reduce rocking or the vibrations of storage bucket to the influence of switch.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a radio frequency capacitance switch, its characterized in that, includes instrument (1), one side of instrument (1) is equipped with screw (2) of being qualified for the next round of competitions, the one side of instrument (1) is connected with probe (3), probe (3) are close to the one end surface connection of instrument (1) has erection joint (4), instrument (1) is kept away from one side fixedly connected with connecting block (5) of screw (2) of being qualified for the next round of competitions, the inside of connecting block (5) is opened there is screw (6), screw (6) female connection has screw rod (7), screw rod (7) are close to the one end surface of probe (3) is equipped with sleeve (8), sleeve (8) are kept away from the one end swing joint of connecting block (5) has fixed block (9), be connected with a plurality of sucking discs (10) on fixed block.
2. A radio frequency capacitive switch according to claim 1, characterized in that a sealing ring (11) is fixedly connected to the mounting adapter (4) on the side close to the probe (3).
3. The radio frequency capacitance switch according to claim 1, wherein a plurality of springs (12) are connected between one end of the screw (7) located inside the sleeve (8) and the fixed block (9), a sliding mechanism is arranged between the sleeve (8) and the screw (7), and a pushing mechanism is arranged in the middle of the screw (7).
4. The radio frequency capacitance switch according to claim 1, characterized in that a rotating block (13) is fixedly connected to one side of the screw (7) away from the fixed block (9).
5. The radio frequency capacitance switch according to claim 3, wherein the sliding mechanism comprises a sliding groove (14) and a sliding block (15), the sliding groove (14) is formed on two sides of the screw rod (7), the sliding block (15) is fixedly connected to the position, close to the sliding groove (14), of the sleeve (8), and the sliding groove (14) is matched with the sliding block (15).
6. The radio frequency capacitance switch according to claim 4, wherein the pushing mechanism comprises a first through hole (16), a second through hole (17) and a push rod (18), the first through hole (16) is formed in the middle of the rotating block (13), the second through hole (17) is formed in the middle of the screw rod (7), and one end of the push rod (18) penetrates through the first through hole (16) and the second through hole (17) and is fixedly connected with the fixed block (9).
7. The radio frequency capacitance switch according to claim 6, wherein the end of the push rod (18) far away from the fixed block (9) is fixedly connected with a push block (19).
8. The radio frequency capacitance switch according to claim 1, wherein a limit rod (20) is fixedly connected to one side of the fixing block (9) close to the connecting block (5), a third through hole (21) is formed in the connecting block (5), and the third through hole (21) is matched with the limit rod (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869475.7A CN110646060A (en) | 2019-09-16 | 2019-09-16 | Radio frequency capacitance switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910869475.7A CN110646060A (en) | 2019-09-16 | 2019-09-16 | Radio frequency capacitance switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110646060A true CN110646060A (en) | 2020-01-03 |
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ID=69010459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910869475.7A Withdrawn CN110646060A (en) | 2019-09-16 | 2019-09-16 | Radio frequency capacitance switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110646060A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000122A1 (en) * | 2020-06-28 | 2022-01-06 | 深圳清华大学研究院 | In-plane sliding parallel capacitive radio frequency switch based on floating potential |
-
2019
- 2019-09-16 CN CN201910869475.7A patent/CN110646060A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000122A1 (en) * | 2020-06-28 | 2022-01-06 | 深圳清华大学研究院 | In-plane sliding parallel capacitive radio frequency switch based on floating potential |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200103 |