CN203274846U - Absolute-pressure-type liquid level measuring device - Google Patents
Absolute-pressure-type liquid level measuring device Download PDFInfo
- Publication number
- CN203274846U CN203274846U CN 201320314593 CN201320314593U CN203274846U CN 203274846 U CN203274846 U CN 203274846U CN 201320314593 CN201320314593 CN 201320314593 CN 201320314593 U CN201320314593 U CN 201320314593U CN 203274846 U CN203274846 U CN 203274846U
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- liquid level
- absolute pressure
- pressure formula
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Abstract
The utility model relates to an absolute-pressure-type liquid level measuring device, and belongs to the field of water conservancy. According to the technical scheme, the absolute-pressure-type liquid level measuring device comprises a liquid level meter body (1), a waterproof cable (2) and a measuring head (3), wherein the liquid level meter body is arranged above the waterproof cable, the measuring head is arranged below the waterproof cable, and the liquid level meter body and the measuring head are connected through the waterproof cable. The liquid level meter body (1) comprises a waterproof seal shell (4), an intelligent circuit (5), a first absolute-pressure-type sensor (6), communication circuits (7) and a lithium battery (8). The absolute-pressure-type liquid level measuring device has the advantages that the adopted cable does not contain a vent pipe, connecting and maintaining are very convenient in a use site; the cable without the vent pipe is free of the leakage problem and the precision drift cannot be caused; the communication circuits can be arranged inside the liquid level meter body and networks of the communication circuits comprise a long-distance wireless public network and an in-place wireless network; the lithium battery is used for power supply, the integral structure is achieved, and waterproof sealing is facilitated.
Description
Technical field
The utility model relates to a kind of absolute pressure formula liquid level emasuring device, belongs to the water conservancy fields of measurement.
Background technology
At present, in water conservancy industry, pressure type water-level measuring equipment principle is: the pressure acquisition point is located under water, this pressure is that the water self gravitation adds atmospheric pressure, the formation of its equipment all comprises the wireway that a sensor is communicated with atmosphere, in order to offset atmosphere to the impact of water surface pressure, because wireway can also cause the drift of device measuring precision thus because of the cold dew of the temperature difference, limited the use of equipment in certain occasion, thus puzzlement use department.
The utility model content
The utility model purpose is to provide a kind of absolute pressure formula liquid level emasuring device, completely abolishes the wireway that sensor is communicated with atmosphere, improves the accuracy of measuring, and solves the problems referred to above that exist in background technology.
The technical solution of the utility model is:
A kind of absolute pressure formula liquid level emasuring device comprises liquid level gauge body, water-proof cable and gauge head, and the liquid level gauge body is located at the top of water-proof cable, and gauge head is located at the below of water-proof cable, and the liquid level gauge body connects by water-proof cable with gauge head.
Described liquid level gauge body comprises waterproof sealing shell, smart circuit, absolute pressure formula sensor one, communicating circuit and lithium battery, absolute pressure formula sensor one, communicating circuit and lithium battery connect respectively smart circuit, and smart circuit, absolute pressure formula sensor one, communicating circuit and lithium battery coupling are arranged in the waterproof sealing shell.
Said gauge head comprises stainless steel waterproof sealing shell, gauge head smart circuit and absolute pressure formula sensor two, absolute pressure formula sensor two connects the gauge head smart circuit, and gauge head smart circuit and absolute pressure formula sensor two couplings are arranged in stainless steel waterproof sealing shell; Gauge head smart circuit in gauge head is connected by the intrinsic smart circuit of water-proof cable and liquid level gauge.
Do not contain airway in described water-proof cable.
Described absolute pressure formula sensor one is communicated with atmosphere.
Described absolute pressure formula sensor two is communicated with fluid to be measured; The pressure that absolute pressure formula sensor two measures is the common pressure of fluid to be measured static pressure and atmospheric pressure, cuts with absolute pressure formula sensor one detected atmospheric pressure, obtains real liquid level static pressure, calculates actual liquid level.
Described communicating circuit quantity at least one, the network of communicating circuit is long distance wireless public network and terrain wireless network.
Absolute pressure formula sensor of the present utility model, lithium battery, communicating circuit, smart circuit, water-proof cable are known technology contents.
The beneficial effects of the utility model: 1. the cable that adopts of the utility model does not contain snorkel, use joint connection in site, safeguard all very convenient; 2. the cable that does not contain snorkel can not cause precision drift without condensation problem; 3. in the liquid level gauge body, a plurality of communicating circuits can be set, comprise long distance wireless public network and terrain wireless network; 4. lithium battery power supply, integral structure is conducive to waterproof sealing.
Description of drawings
In figure: liquid level gauge body 1, water-proof cable 2, gauge head 3, waterproof sealing shell 4, smart circuit 5, absolute pressure formula sensor 1, communicating circuit 7, lithium battery 8, stainless steel waterproof sealing shell 9, gauge head smart circuit 10, absolute pressure formula sensor 2 11.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
A kind of absolute pressure formula liquid level emasuring device comprises liquid level gauge body 1, water-proof cable 2 and gauge head 3, and the liquid level gauge body is located at the top of water-proof cable, and gauge head is located at the below of water-proof cable, and the liquid level gauge body connects by water-proof cable with gauge head.
Described liquid level gauge body 1 comprises waterproof sealing shell 4, smart circuit 5, absolute pressure formula sensor 1, communicating circuit 7 and lithium battery 8, absolute pressure formula sensor one, communicating circuit and lithium battery connect respectively smart circuit, and smart circuit, absolute pressure formula sensor one, communicating circuit and lithium battery coupling are arranged in waterproof sealing shell 4.
Said gauge head 3 comprises stainless steel waterproof sealing shell 9, gauge head smart circuit 10 and absolute pressure formula sensor 2 11, absolute pressure formula sensor two connects the gauge head smart circuit, and gauge head smart circuit and absolute pressure formula sensor two couplings are arranged in stainless steel waterproof sealing shell; Gauge head smart circuit 10 in gauge head 3 is connected by the interior smart circuit 5 of water-proof cable 2 and liquid level gauge body 1.
Do not contain airway in described water-proof cable 2.
Described absolute pressure formula sensor 1 is communicated with atmosphere.
Described absolute pressure formula sensor 2 11 is communicated with fluid to be measured; The pressure that absolute pressure formula sensor two measures is the common pressure of fluid to be measured static pressure and atmospheric pressure, cuts with absolute pressure formula sensor one detected atmospheric pressure, obtains real liquid level static pressure, calculates actual liquid level.
Described communicating circuit 7 quantity at least one, the network of communicating circuit is long distance wireless public network and terrain wireless network.
Claims (5)
1. absolute pressure formula liquid level emasuring device, it is characterized in that comprising liquid level gauge body (1), water-proof cable (2) and gauge head (3), the liquid level gauge body is located at the top of water-proof cable, gauge head is located at the below of water-proof cable, and the liquid level gauge body connects by water-proof cable with gauge head.
2. a kind of absolute pressure formula liquid level emasuring device according to claim 1, it is characterized in that described liquid level gauge body (1) comprises waterproof sealing shell (4), smart circuit (5), absolute pressure formula sensor one (6), communicating circuit (7) and lithium battery (8), absolute pressure formula sensor one, communicating circuit and lithium battery connect respectively smart circuit, and smart circuit, absolute pressure formula sensor one, communicating circuit and lithium battery coupling are arranged in waterproof sealing shell (4).
3. a kind of absolute pressure formula liquid level emasuring device according to claim 1, it is characterized in that said gauge head (3) comprises stainless steel waterproof sealing shell (9), gauge head smart circuit (10) and absolute pressure formula sensor two (11), absolute pressure formula sensor two connects the gauge head smart circuit, and gauge head smart circuit and absolute pressure formula sensor two couplings are arranged in stainless steel waterproof sealing shell; Gauge head smart circuit (10) in gauge head (3) is connected by the interior smart circuit (5) of water-proof cable (2) and liquid level gauge body (1).
4. a kind of absolute pressure formula liquid level emasuring device according to claim 1 and 2, is characterized in that not containing airway in described water-proof cable (2).
5. a kind of absolute pressure formula liquid level emasuring device according to claim 2, it is characterized in that described communicating circuit (7) quantity at least one, the network of communicating circuit is long distance wireless public network and terrain wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320314593 CN203274846U (en) | 2013-06-04 | 2013-06-04 | Absolute-pressure-type liquid level measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320314593 CN203274846U (en) | 2013-06-04 | 2013-06-04 | Absolute-pressure-type liquid level measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203274846U true CN203274846U (en) | 2013-11-06 |
Family
ID=49505232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320314593 Expired - Fee Related CN203274846U (en) | 2013-06-04 | 2013-06-04 | Absolute-pressure-type liquid level measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203274846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716684A (en) * | 2016-02-24 | 2016-06-29 | 深圳高科新农技术有限公司 | UAV (Unmanned Aerial Vehicle) liquid level measuring device and UAV liquid level measuring method |
| CN108387288A (en) * | 2017-02-03 | 2018-08-10 | 横河电机株式会社 | Water-level gauge, hydraulic pressure sensor device and water level measurement system |
-
2013
- 2013-06-04 CN CN 201320314593 patent/CN203274846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716684A (en) * | 2016-02-24 | 2016-06-29 | 深圳高科新农技术有限公司 | UAV (Unmanned Aerial Vehicle) liquid level measuring device and UAV liquid level measuring method |
| CN108387288A (en) * | 2017-02-03 | 2018-08-10 | 横河电机株式会社 | Water-level gauge, hydraulic pressure sensor device and water level measurement system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20170604 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |