CN210625798U - Radio frequency admittance level meter with detachable probe - Google Patents
Radio frequency admittance level meter with detachable probe Download PDFInfo
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- CN210625798U CN210625798U CN201921813139.2U CN201921813139U CN210625798U CN 210625798 U CN210625798 U CN 210625798U CN 201921813139 U CN201921813139 U CN 201921813139U CN 210625798 U CN210625798 U CN 210625798U
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Abstract
The utility model discloses a radio frequency admittance charge level indicator with a detachable probe, which comprises a transmitter end and a probe end; the probe end is provided with a grounding probe, a shielding probe and a measuring probe which are detachably and respectively arranged on the mounting part; the grounding probe, the shielding probe and the measuring probe are mutually insulated; the user can select different probe installations according to the working environment. Meanwhile, when the probe is damaged, only the probe needs to be disassembled and replaced, and the radio frequency admittance material level meter does not need to be replaced integrally.
Description
Technical Field
The utility model relates to a charge level indicator, especially a probe detachable radio frequency admittance charge level indicator.
Background
The existing radio frequency admittance material machine often needs to work under the environment of high temperature and high pH value. The probe is used in the environment with large humidity and high pH value for a long time, the surface is easy to rust, and the service life of the radio frequency admittance material level machine is greatly influenced. Meanwhile, due to the heat conduction of the detection rod, the original part of the transmitter is easy to age, and the service life of the radio frequency admittance material machine is shortened.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to provide a probe detachable radio frequency admittance charge level indicator.
In order to achieve the purpose, the utility model discloses a radio frequency admittance charge level indicator with a detachable probe, which comprises a transmitter end and a probe end; the probe end is provided with a grounding probe, a shielding probe and a measuring probe, and the grounding probe, the shielding probe and the measuring probe are detachably arranged on the mounting part; the grounding probe, the shielding probe and the measuring probe are mutually insulated.
The mounting part comprises an outer circular tube arranged on the outer layer, an inner circular tube arranged in the outer circular tube and a mounting rod arranged in the inner circular tube; the outer circular tube, the inner circular tube and the mounting rod are made of metal materials, and the lengths of the outer circular tube, the inner circular tube and the mounting rod are increased in sequence.
The grounding probe, the shielding probe and the measuring probe are respectively screwed on the outer circular tube, the inner circular tube and the mounting rod.
And an insulating sleeve is also arranged among the grounding probe, the shielding probe and the measuring probe.
The insulating sleeve is made of corundum ceramics.
And the insulating sleeve is mutually welded with the contact end faces of the grounding probe, the shielding probe and the measuring probe.
The grounding probe, the shielding probe and the measuring probe are made of kovar alloy with the same expansion coefficient as the corundum ceramic.
The outer circular tube, the inner circular tube and the mounting rod are respectively connected with wiring screws and are connected to the transmitter through sensing wires.
And the probe end is provided with a radiating fin.
And the top of the measuring probe is detachably provided with a detecting rod.
Adopt above-mentioned technical scheme, the utility model discloses a radio frequency admittance charge level indicator adopts detachable probe advantage:
1. different probe installations can be selected according to the working environment. Meanwhile, when the probe is damaged, the probe is only required to be disassembled and replaced, and the radio frequency admittance material level machine is not required to be integrally replaced.
2. Corundum ceramics is selected as an insulating material, so that the corundum ceramics has better corrosion resistance.
3. The kovar alloy with the same expansion coefficient as the corundum ceramic is selected as the probe material, and the expansion coefficient is the same during welding, so that the processing yield is greatly improved, and cracks and welding defects are not easy to occur.
4. Adopt wiring screw connection probe rod, rethread wire connection changer can prevent the heat-conduction to the influence of sensor, reduces the ageing speed of components and parts, increases radio frequency admittance material level machine life.
Drawings
FIG. 1 is a schematic view of a probe-detachable radio frequency admittance level gauge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the radio frequency admittance level gauge with a detachable probe of the present invention comprises a transmitter end 1 and a probe end 2; the probe end comprises a grounding probe 3, a shielding probe 4, a measuring probe 5 and a mounting part 10. The measuring probe 5 is detachably provided with a probe rod 51 at the top. The installation department is including setting up at outer pipe 6, setting up at the inner circle pipe 7 of outer pipe 6 and setting up at the installation pole 8 at inner circle pipe 7 center. The outer circular tube 6, the inner circular tube 7 and the mounting rod 8 are made of metal materials, and the lengths of the outer circular tube, the inner circular tube and the mounting rod are increased in sequence. The outer circular tube 6, the inner circular tube 7 and the mounting rod 8 are hollow and spaced. The grounding probe 3, the shielding probe 4 and the measuring probe 5 are respectively screwed on the outer circular tube 6, the inner circular tube 7 and the mounting rod 8. And a first insulating sleeve 91 and a second insulating sleeve 92 which are made of corundum ceramics are arranged among the grounding probe 3, the shielding probe 4 and the measuring probe 5. The insulating sleeve 91 and the insulating sleeve 92 are mutually welded with the contact end faces of the grounding probe 3, the shielding probe 4 and the measuring probe 5. The grounding probe 3, the shielding probe 4 and the measuring probe 5 are made of kovar alloy with the same expansion coefficient as corundum ceramic.
The user can select different probe installations according to operational environment, to the material of co-altitude, can change the gauge rod of different length. Meanwhile, when the probe is damaged, the probe is only required to be disassembled and replaced, and the radio frequency admittance material level machine is not required to be integrally replaced. Corundum ceramics is selected as an insulating material, so that the corundum ceramics has better corrosion resistance. The kovar alloy with the same expansion coefficient as the corundum ceramic is selected as the probe material, and the expansion coefficient is the same during welding, so that the processing yield is greatly improved, and cracks and welding defects are not easy to occur.
The outer circular tube 6, the inner circular tube 7 and the mounting rod 8 of the radio frequency admittance level gauge mounting part 10 are respectively connected with a wiring screw 11 and are connected to the transmitter end 1 through a sensing wire 12. The mounting portion 10 is connected by a binding screw 11, and is connected to a transmitter 13 through a sensing wire 12. The upper end of the probe end of the radio frequency admittance material level meter is also provided with a radiating fin 21, so that the influence of heat conduction on a sensor can be prevented, the aging speed of components is reduced, and the service life of the radio frequency admittance material level meter is prolonged.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a probe detachable radio frequency admittance charge level indicator which characterized in that: comprises a transmitter end and a probe end; the probe end is provided with a grounding probe, a shielding probe and a measuring probe, and the grounding probe, the shielding probe and the measuring probe are detachably arranged on the mounting part; the grounding probe, the shielding probe and the measuring probe are mutually insulated.
2. The probe-detachable radio frequency admittance level gauge of claim 1, wherein: the mounting part comprises an outer circular tube arranged on the outer layer, an inner circular tube arranged in the outer circular tube and a mounting rod arranged at the center of the inner circular tube; the outer circular tube, the inner circular tube and the mounting rod are made of metal materials, and the lengths of the outer circular tube, the inner circular tube and the mounting rod are increased in sequence.
3. The probe-detachable radio frequency admittance level gauge of claim 2, wherein: the grounding probe, the shielding probe and the measuring probe are respectively screwed on the outer circular tube, the inner circular tube and the mounting rod.
4. The probe-detachable radio frequency admittance level gauge of claim 2 or 3, wherein: the outer circular tube, the inner circular tube and the mounting rod are respectively connected with wiring screws and are connected to the transmitter through sensing wires.
5. The probe-detachable radio frequency admittance level gauge of claim 1, wherein: and an insulating sleeve is also arranged among the grounding probe, the shielding probe and the measuring probe.
6. The probe-detachable radio frequency admittance level gauge of claim 5, wherein: the insulating sleeve is made of corundum ceramics.
7. The probe-detachable radio frequency admittance level gauge of claim 5 or 6, wherein: and the insulating sleeve is mutually welded with the contact end faces of the grounding probe, the shielding probe and the measuring probe.
8. The probe-detachable radio frequency admittance level gauge of claim 7, wherein: the grounding probe, the shielding probe and the measuring probe are made of kovar alloy with the same expansion coefficient as the corundum ceramic.
9. The probe-detachable radio frequency admittance level gauge of claim 1, wherein: and the probe end is provided with a radiating fin.
10. The probe-detachable radio frequency admittance level gauge of claim 1, wherein: and the top of the measuring probe is detachably provided with a detecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813139.2U CN210625798U (en) | 2019-10-25 | 2019-10-25 | Radio frequency admittance level meter with detachable probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921813139.2U CN210625798U (en) | 2019-10-25 | 2019-10-25 | Radio frequency admittance level meter with detachable probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625798U true CN210625798U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921813139.2U Active CN210625798U (en) | 2019-10-25 | 2019-10-25 | Radio frequency admittance level meter with detachable probe |
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| Country | Link |
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| CN (1) | CN210625798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200256A (en) * | 2021-04-30 | 2021-08-03 | 国家能源集团科学技术研究院有限公司 | Stock bin with material level measuring device |
| CN113607238A (en) * | 2021-08-13 | 2021-11-05 | 宁夏威尔信商品混凝土有限公司 | Protection device of cement storehouse bin level meter |
-
2019
- 2019-10-25 CN CN201921813139.2U patent/CN210625798U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200256A (en) * | 2021-04-30 | 2021-08-03 | 国家能源集团科学技术研究院有限公司 | Stock bin with material level measuring device |
| CN113200256B (en) * | 2021-04-30 | 2024-04-16 | 国家能源集团科学技术研究院有限公司 | From feed bin of taking material position measuring device |
| CN113607238A (en) * | 2021-08-13 | 2021-11-05 | 宁夏威尔信商品混凝土有限公司 | Protection device of cement storehouse bin level meter |
| CN113607238B (en) * | 2021-08-13 | 2023-12-29 | 宁夏威尔信商品混凝土有限公司 | Protection device of cement bin level gauge |
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