CN202676234U - Liquid level detection device - Google Patents
Liquid level detection device Download PDFInfo
- Publication number
- CN202676234U CN202676234U CN 201220209922 CN201220209922U CN202676234U CN 202676234 U CN202676234 U CN 202676234U CN 201220209922 CN201220209922 CN 201220209922 CN 201220209922 U CN201220209922 U CN 201220209922U CN 202676234 U CN202676234 U CN 202676234U
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- CN
- China
- Prior art keywords
- liquid level
- detection device
- level detection
- fuel tank
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a liquid level detection device which comprises an oil box. An oil outlet pipe is arranged at the bottom of the oil box, a ball valve is arranged at an opening end of the oil outlet pipe, and the oil outlet pipe arranged between the ball valve and the oil box is provided with a pressure transmitter which is connected with a control computer, and a glass tube liquid level gage is arranged inside the oil box. The liquid level detection device is simple in structure, accurate in pressure detection, low in failure rate, and convenient to use. Indeterminable shortcomings such as unsmooth running of a machine, conglutination of a reed switch, abrasion of a mechanical switch and demagnetization of permanent magnetic steel of a floating type machine liquid level detection device such as a traditional floating barrel and a floating ball can be overcome. Sudden malfunctions of the liquid level detection device when the liquid level detection device is in use are avoided, and long-term stable working can be guaranteed.
Description
Technical field
The utility model relates to a kind of liquid level detection device.
Background technology
Traditional liquid level detection device major part is to adopt floating drum or ball float to reflect liquid level signal, and floating drum is to come the driving mechanical switch motion by the mechanical drive of pulley and wire rope; Ball float then is the mechanical shift by the permanent-magnet steel that is installed on float inside, and the dry-reed relay that comes adhesive to be installed on reference test bar inside moves to reach the purpose that detects liquid level.No matter be floating drum or ball float, all inevitably have the uncertain factors such as mechanical hair fastener, tongue tube adhesion, mechanical switch wearing and tearing, permanent-magnet steel demagnetization, cause liquid level detection device malfunctioning, make troubles for people's use.
Summary of the invention
In order to address the above problem, the utility model provides a kind of liquid level detection device, can effectively solve the problem of above-mentioned prior art deficiency.
To achieve these goals, the technical solution adopted in the utility model is: a kind of liquid level detection device, comprise fuel tank, described fuel tank bottom arranges a flowline, the openend of flowline is equipped with ball valve, be installed with on the flowline between ball valve and the fuel tank and the pressure unit of controlling computing machine and linking to each other, be provided with glass-tube liquid level meter in the described fuel tank.
As preferably, described glass-tube liquid level meter is detachably connected on inner wall of oil tank.
The utility model has the advantage of: simple in structure, pressure detection is accurate, and failure rate is low is easy to use.The uncertain defectives such as the mechanical hair fastener that the floating mechanical liquid level detection devices such as conventional pontoon, ball float exist, tongue tube adhesion, mechanical switch wearing and tearing, permanent-magnet steel demagnetization have been overcome, avoid the unexpected malfunctioning situation of liquid level detection device in the use procedure, can guarantee long-term stable operation.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1, fuel tank; 2, glass-tube liquid level meter; 3, pressure unit; 4, ball valve.
Embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
Referring to Fig. 1, a kind of liquid level detection device, comprise fuel tank 1, described fuel tank 1 bottom arranges a flowline, the openend of flowline is equipped with ball valve 4, be installed with on the flowline between ball valve 4 and the fuel tank 11 and the pressure unit 3 of controlling computing machine and linking to each other, be provided with glass-tube liquid level meter 2 in the described fuel tank 1, described glass-tube liquid level meter 2 is detachably connected on fuel tank 1 inwall.
The utility model is at fuel tank 1 sidewall and bottom difference mounting glass pipe liquid level gauge 2 and pressure unit 3, can measure the relation that different liquid levels is directly proportional with the pressure of generation by the principle of hydrostatic pressure, but the oil level in this mode continuous coverage fuel tank 1, import simulating signal into PLC and show oil level at computer picture, can the warning linkage point be set arbitrarily according to equipment requirement, can make historical trend.And can adopt on-the-spot digital display meter to show level value, whether glass-tube liquid level meter 2 operating personnel that fuel tank 1 sidewall is installed to examine the instrument demonstration normal if can comparing liquid level true altitude and pressure unit 3 detected liquid levels in good time.
Claims (2)
1. liquid level detection device, comprise fuel tank, it is characterized in that: described fuel tank bottom arranges a flowline, and the openend of flowline is equipped with ball valve, be installed with on the flowline between ball valve and the fuel tank and the pressure unit of controlling computing machine and linking to each other, be provided with glass-tube liquid level meter in the described fuel tank.
2. a kind of liquid level detection device according to claim 1, it is characterized in that: described glass-tube liquid level meter is detachably connected on inner wall of oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209922 CN202676234U (en) | 2012-05-11 | 2012-05-11 | Liquid level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209922 CN202676234U (en) | 2012-05-11 | 2012-05-11 | Liquid level detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676234U true CN202676234U (en) | 2013-01-16 |
Family
ID=47497133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220209922 Expired - Fee Related CN202676234U (en) | 2012-05-11 | 2012-05-11 | Liquid level detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485467A (en) * | 2021-06-28 | 2021-10-08 | 无锡溥汇机械科技有限公司 | Liquid supplementing device of heat exchange system |
-
2012
- 2012-05-11 CN CN 201220209922 patent/CN202676234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485467A (en) * | 2021-06-28 | 2021-10-08 | 无锡溥汇机械科技有限公司 | Liquid supplementing device of heat exchange system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130511 |