CN203455049U - Liquid level detection device for chemical storage tank - Google Patents
Liquid level detection device for chemical storage tank Download PDFInfo
- Publication number
- CN203455049U CN203455049U CN201320461492.5U CN201320461492U CN203455049U CN 203455049 U CN203455049 U CN 203455049U CN 201320461492 U CN201320461492 U CN 201320461492U CN 203455049 U CN203455049 U CN 203455049U
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- China
- Prior art keywords
- storage tank
- liquid level
- connecting pipeline
- detection device
- induction rod
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a liquid level detection device for a chemical storage tank. The liquid level detection device comprises a detection induction rod and a communication pipe communicated with the storage tank, the height of the communication pipe is equal to that of the storage tank, the detection induction rod is arranged at the top end of the communication pipe and extends to the bottom end of the communication pipe, and a terminal block is arranged at the upper end of the detection induction rod and electrically connected with a measurement and control circuit. According to the liquid level detection device, the detection induction rod is used, and the object level is reflected by the electric capacity between the liquid level and the pipe wall; when the detection induction rod is gradually covered with media in the storage tank, the capacitance value across the two electrodes is accordingly changed; when the capacitance is equal to a preset limiting value, and switch signals are output to achieve detection and remote transmission control over the object level; the liquid level detection device is simple in structure, free of mechanical transmission structures, high in accuracy, stable and reliable in performance, suitable for various liquid materials and capable of being suitable for solid powder.
Description
Technical field
The utility model relates to chemical plant field, is specifically related to a kind of liquid level detecting device for chemicals storage tank.
Background technology
In chemical industry, the detection of tank level enjoys those skilled in the art's close attention always, and the instrument for level gauging mainly contains float type level gauge, pressure liquid level transmitter at present, capacitance level gauge and radar type liquid-level gauge etc. are several, in chemical field, because most chemicals has stronger corrosive nature, to being inserted into the liquid level gauge of chemicals liquid inside, need to consider anticorrosive, and need to have no effect to the purity of chemicals, therefore, be difficult to find the material matching.In prior art, float type level gauge is simple in structure because of it, is most widely used, but existing float type level gauge is because float can fluctuate with the fluctuation of liquid level, and the measurement result of liquid level is to obtain according to the transmission of float, therefore can be subject to impact to a certain extent, ratio of precision is lower.
Utility model content
The purpose of this utility model is to overcome the defect existing in prior art, and a kind of machinery-free transmission is provided, wide accommodation, and precision is high, and the life-span is long, and cost is low, is easy to the liquid level detecting device for chemicals storage tank of installation and maintenance.
For achieving the above object, the technical solution of the utility model is to provide a kind of liquid level detecting device for chemicals storage tank, described arrangement for detecting comprises the connecting pipeline being connected with storage tank and detects inductive rod, the height of described connecting pipeline is identical with storage tank height, described inductive rod is arranged on connecting pipeline top, and extend to connecting pipeline bottom, and described inductive rod upper end is provided with connection terminal, and described connection terminal is electrically connected to telemetry circuit.In order to guarantee the reliability of detecting, described inductive rod sensitivity is generally 0.3 ~ 1000pf.
In order conveniently to watch, preferred technical scheme is that described connecting pipeline is transparent pipeline.
In order to prevent that pipeline from being caused breakage by collision, preferred technical scheme is that described connecting pipeline is outside equipped with protective cover.
In order to determine more accurately liquid level, preferred technical scheme is to be provided with rule on described protective cover.
Simple in structure in order to make, preferred technical scheme is that described connecting pipeline prolongs storage tank outer wall vertical in ground.
For for convenience detach, to install and maintenance, preferred technical scheme is that described connecting pipeline and described storage tank are set to Split type structure.
Advantage of the present utility model and beneficial effect are: the utility model is to utilize to detect inductive rod, electric capacity between liquid level and tube wall (to ground electrode) is come reactant position, when inductive rod is covered gradually by medium, the capacitance of two inter-stages changes thereupon, in order to improve the reliability of arrangement for detecting, the utility model has preset two ultimate values, one be in storage tank liquid level to storage tank height 85% time, corresponding capacitance; Another be when liquid level to storage tank height 90% time, corresponding capacitance, when reaching predefined ultimate value, output switching signal is realized detection and the teletransmission of thing position and is controlled, and it is simple in structure, machinery-free drive mechanism, precision is high, stable and reliable for performance, be applicable to various liquid materials, also go for pressed powder.
Accompanying drawing explanation
Fig. 1 is side view of the present utility model;
Fig. 2 is front elevation of the present utility model;
In figure: 1, storage tank; 2, connecting pipeline; 3, test bar; 4, protective cover; 5, control module; 6, rule.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As Fig. 1, shown in 2, a kind of liquid level detecting device for chemicals storage tank, described arrangement for detecting comprises the connecting pipeline 2 being connected with storage tank 1 and detects inductive rod 3, the height of described connecting pipeline 2 is highly identical with storage tank 1, and described inductive rod 3 is arranged on connecting pipeline 2 tops, and extends to connecting pipeline 2 bottoms, described inductive rod 3 upper ends are provided with connection terminal, and described connection terminal is electrically connected to telemetry circuit.
Embodiment 2
On the basis of embodiment 1, the utility model preferably technical scheme also comprises, described connecting pipeline 2 is transparent pipeline.
On the basis of embodiment 1, the utility model preferably technical scheme also comprises, described connecting pipeline 2 is outside equipped with protective cover 5.
On the basis of embodiment 3, the utility model preferably technical scheme also comprises, on described protective cover 5, is provided with rule 6.
On the basis of embodiment 4, the utility model preferably technical scheme also comprises, described connecting pipeline prolongs storage tank outer wall vertical in ground.
Embodiment 6
On the basis of embodiment 5, the utility model preferably technical scheme also comprises, described connecting pipeline 2 is set to Split type structure with described storage tank 1.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the liquid level detecting device for chemicals storage tank, it is characterized in that, described arrangement for detecting comprises the connecting pipeline being connected with storage tank and detects inductive rod, the height of described connecting pipeline is identical with storage tank height, described inductive rod is arranged on connecting pipeline top, and extend to connecting pipeline bottom, and described inductive rod upper end is provided with connection terminal, and described connection terminal is electrically connected to telemetry circuit.
2. the liquid level detecting device for chemicals storage tank according to claim 1, is characterized in that, described connecting pipeline is transparent pipeline.
3. the liquid level detecting device for chemicals storage tank according to claim 2, is characterized in that, described connecting pipeline is outside equipped with protective cover.
4. the liquid level detecting device for chemicals storage tank according to claim 3, is characterized in that, on described protective cover, is provided with rule.
5. the liquid level detecting device for chemicals storage tank according to claim 4, is characterized in that, described connecting pipeline prolongs storage tank outer wall vertical in ground.
6. according to the liquid level detecting device for chemicals storage tank described in claim 1-5 any one, it is characterized in that, described connecting pipeline and described storage tank are set to Split type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320461492.5U CN203455049U (en) | 2013-07-30 | 2013-07-30 | Liquid level detection device for chemical storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320461492.5U CN203455049U (en) | 2013-07-30 | 2013-07-30 | Liquid level detection device for chemical storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455049U true CN203455049U (en) | 2014-02-26 |
Family
ID=50134916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320461492.5U Expired - Lifetime CN203455049U (en) | 2013-07-30 | 2013-07-30 | Liquid level detection device for chemical storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560687A (en) * | 2017-09-04 | 2018-01-09 | 太仓望虞机械科技有限公司 | A kind of intelligent fuel level sensor |
-
2013
- 2013-07-30 CN CN201320461492.5U patent/CN203455049U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560687A (en) * | 2017-09-04 | 2018-01-09 | 太仓望虞机械科技有限公司 | A kind of intelligent fuel level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |
|
| CX01 | Expiry of patent term |