CN205091025U - Oil tank oil position detecting system - Google Patents
Oil tank oil position detecting system Download PDFInfo
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- CN205091025U CN205091025U CN201520688901.4U CN201520688901U CN205091025U CN 205091025 U CN205091025 U CN 205091025U CN 201520688901 U CN201520688901 U CN 201520688901U CN 205091025 U CN205091025 U CN 205091025U
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- liquid level
- inductive switch
- fuel
- tongue tube
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Abstract
The utility model relates to an oil tank oil position detecting system needs many tongue tube level sensor concatenations to cause the problems of reliability reduction for solving current big degree of depth oil tank oil level detections, the utility model discloses an oil tank oil position detecting system, including oil tank, oil level display device, tongue tube engine oil level sensor, tongue tube engine oil level sensor and oil level display device are connected, include at least one liquid level inductive switch in addition, and liquid level inductive switch and oil level display device are connected, and liquid level inductive switch and tongue tube engine oil level sensor install at the interval in vertical direction in the oil tank. The utility model discloses the oil level that can use the tongue tube engine oil level sensor of ordinary length and satisfy big degree of depth oil tank under the prerequisite of not carrying out the concatenation of many tongue tubes is surveyed and is shown to guarantee engine oil level sensor's reliability.
Description
Technical field
The utility model relates to a kind of oil tank liquid level and detects, and more particularly, relates to a kind of fuel level in tank detection system.
Background technology
It is all detected by tongue tube fuel level sensor that existing oil tank liquid level detects, and tongue tube fuel level sensor is vertically arranged in fuel tank, and tongue tube is connected with oil level display device.In fuel tank during different liquid level, the corresponding different resistance of tongue tube fuel level sensor, instrument detected resistance changes, the change of display oil level.
Installation due to tongue tube fuel level sensor must be vertical installation, and for single tongue tube, its length is often limited, therefore for engineering machinery as fuel tank shovel loader causing the large degree of depth because of Large Copacity, use single tongue tube cannot meet the detection of fuel level in tank, two or even many tongue tubes must be used to be stitched together and just can reach the length of oil level display.But when after the splicing of many tongue tubes, under especially working in good condition of starting building for shovel loader etc., tongue tube is often easy fractures in stitching portion in splicing, causes oil level to detect display and loses efficacy.
Utility model content
The technical problems to be solved in the utility model be for existing large degree of depth fuel tank be used alone tongue tube fuel level sensor detect existing for shortcoming and provide a kind of cost low and reliable fuel level in tank detection system.
The utility model is the technical scheme realizing its object is such: construct a kind of fuel level in tank detection system, comprise fuel tank, oil level display device, tongue tube fuel level sensor, described tongue tube fuel level sensor is connected with described oil level display device, characterized by further comprising at least one liquid level inductive switch, described liquid level inductive switch is connected with described oil level display device, and described liquid level inductive switch and tongue tube fuel level sensor in the vertical direction interval are arranged in described fuel tank.Further, the top of tongue tube fuel level sensor is fixedly connected on the top of fuel tank, the lower vertical of described tongue tube fuel level sensor points to the bottom of fuel tank downwards, and the height of described liquid level inductive switch installation position is lower than the height of described tongue tube fuel level sensor lower end.Wherein liquid level inductive switch can be two, be respectively high liquid level inductive switch and low liquid level inductive switch, described high liquid level inductive switch and low liquid level inductive switch in the vertical direction interval are arranged on fuel tank sidewall, and the height of described high liquid level inductive switch in the vertical direction is lower than the height of described tongue tube fuel level sensor lower end.Described high liquid level inductive switch is arranged on 20% volume of fuel tank liquid level position place of fuel tank, and described low liquid level inductive switch is arranged on 0% volume of fuel tank liquid level position place of fuel tank.
In above-mentioned fuel level in tank detection system, tongue tube fuel level sensor can also be the bottom by being fixedly connected on fuel tank bottom it, the top vertical of described tongue tube fuel level sensor is directed upwards towards the top of fuel tank, and the height of described liquid level inductive switch installation position is higher than the height on described tongue tube fuel level sensor top.Now described liquid level inductive switch quantity two, be respectively high liquid level inductive switch and low liquid level inductive switch, described high liquid level inductive switch and low liquid level inductive switch in the vertical direction interval are arranged on fuel tank sidewall, and the height of described low liquid level inductive switch in the vertical direction is higher than the height on described tongue tube fuel level sensor top.Described high liquid level inductive switch is arranged on 100% volume of fuel tank liquid level position place of fuel tank, and described low liquid level inductive switch is arranged on 80% volume of fuel tank liquid level position place of fuel tank.
In above-mentioned fuel level in tank detection system, described oil level display device includes oil level lower than the warning device sending alerting signal during predetermined value.
In above-mentioned fuel level in tank detection system, liquid level inductive switch quantity can be two, also can be one, can be more three or more, and when liquid level inductive switch quantity is more, its in the vertical direction interval is installed, and the liquid level that can detect is more accurate.
The beneficial effect that the utility model compared with prior art has: the tongue tube fuel level sensor of normal length can be used and meet the oil level detection display of large degree of depth fuel tank under the prerequisite of not carrying out the splicing of many tongue tubes, and ensureing the reliability of fuel level sensor.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model fuel level in tank detection system;
The tongue tube fuel level sensor of Fig. 2 the utility model fuel level in tank detection system and the scheme of installation of liquid level inductive switch;
The tongue tube fuel level sensor of fuel level in tank detection system and the scheme of installation of liquid level inductive switch in Fig. 3 the utility model second embodiment.
Parts title and sequence number in figure:
Fuel tank 1, tongue tube fuel level sensor 2, high liquid level inductive switch 3, low liquid level inductive switch 4, oil level display device 5.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments is described.
Embodiment one.
As shown in Figure 1, the fuel level in tank detection system in the present embodiment comprises fuel tank 1, tongue tube fuel level sensor 2, high liquid level inductive switch 3, low liquid level inductive switch 4, oil level display device 5.Tongue tube fuel level sensor 2, high liquid level inductive switch 3, low liquid level inductive switch 4 are all connected with oil level display device 5 and transmit its oil condition signal responded to oil level display device 5, oil level display device 5 according to tongue tube fuel level sensor 2, high liquid level inductive switch 3, signal that low liquid level inductive switch 4 is sent and the Logic judgment that pre-sets, Fuel Oil Remaining in display fuel tank.
As shown in Figure 2, the top of tongue tube fuel level sensor is fixedly connected on the top of fuel tank, the lower vertical of described tongue tube fuel level sensor points to the bottom of fuel tank downwards, high liquid level inductive switch and low liquid level inductive switch in the vertical direction interval are arranged on fuel tank sidewall, and the height of high liquid level inductive switch in the vertical direction is lower than the height of described tongue tube fuel level sensor lower end.High liquid level inductive switch is arranged on 20% volume of fuel tank liquid level position place of fuel tank, and described low liquid level inductive switch is arranged on 0% volume of fuel tank liquid level position place of fuel tank.
In the present embodiment, when the installation site of liquid level in fuel tank higher than high liquid level inductive switch and submergence part tongue tube fuel level sensor time, the now state of the resistance signal of oil level display device 5 corresponding to tongue tube fuel level sensor 2 and high liquid level inductive switch and liquid level corresponding to reality, also i.e. Fuel Oil Remaining in fuel tank.When liquid level in fuel tank is lower than the height of high liquid level inductive switch but higher than the height of low liquid level inductive switch, now oil level display device 5 shows Fuel Oil Remaining in fuel tank is 20%, when liquid level in fuel tank is lower than the height of low liquid level inductive switch, now oil level display device 5 shows Fuel Oil Remaining in fuel tank is 0%, and carries out alarm staff by warning device and will refuel.
In the utility model: the tongue tube fuel level sensor of normal length can be used and meet the oil level detection display of large degree of depth fuel tank under the prerequisite of not carrying out the splicing of many tongue tubes, and ensureing the reliability of fuel level sensor.
Embodiment 2.
As shown in Figure 3, compared with embodiment one, different unlike the installation site of tongue tube fuel level sensor 2, high liquid level inductive switch 3, low liquid level inductive switch 4 in the present embodiment.In the present embodiment, tongue tube fuel level sensor 2 is the bottoms by being fixedly connected on fuel tank 1 bottom it, the top vertical of tongue tube fuel level sensor 2 is directed upwards towards the top of fuel tank, and the height of liquid level inductive switch installation position is higher than the height on tongue tube fuel level sensor 2 top.High liquid level inductive switch and low liquid level inductive switch in the vertical direction interval are arranged on fuel tank sidewall, high liquid level inductive switch is arranged on 100% volume of fuel tank liquid level position place of fuel tank, and low liquid level inductive switch is arranged on 80% volume of fuel tank liquid level position place of fuel tank.Also be namely 100% when oil level display device 5 detects that high liquid level inductive switch 3 shows fr in fuel tank when being in oily submerged state, i.e. trunkful.Oil level display device 5 detect that high liquid level inductive switch 3 is not in oily submerged state but low liquid level inductive switch 4 is not had by oil immersion time to show fr in fuel tank be 80%; When oil level display device 5 detects high liquid level inductive switch 3 and low liquid level inductive switch 4 is not all had by oil immersion, oil level display device 5 is 60%, 40%, 20% or 0% according to fr in the resistance value display fuel tank of tongue tube fuel level sensor 2 correspondence.
Claims (8)
1. a fuel level in tank detection system, comprise fuel tank, oil level display device, tongue tube fuel level sensor, described tongue tube fuel level sensor is connected with described oil level display device, characterized by further comprising at least one liquid level inductive switch, described liquid level inductive switch is connected with described oil level display device, and described liquid level inductive switch and tongue tube fuel level sensor in the vertical direction interval are arranged in described fuel tank.
2. fuel level in tank detection system according to claim 1, it is characterized in that the top of described tongue tube fuel level sensor is fixedly connected on the top of fuel tank, the lower vertical of described tongue tube fuel level sensor points to the bottom of fuel tank downwards, and the height of described liquid level inductive switch installation position is lower than the height of described tongue tube fuel level sensor lower end.
3. fuel level in tank detection system according to claim 2, it is characterized in that described liquid level inductive switch is two, be respectively high liquid level inductive switch and low liquid level inductive switch, described high liquid level inductive switch and low liquid level inductive switch in the vertical direction interval are arranged on fuel tank sidewall, and the height of described high liquid level inductive switch in the vertical direction is lower than the height of described tongue tube fuel level sensor lower end.
4. fuel level in tank detection system according to claim 3, it is characterized in that described high liquid level inductive switch is arranged on 20% volume of fuel tank liquid level position place of fuel tank, described low liquid level inductive switch is arranged on 0% volume of fuel tank liquid level position place of fuel tank.
5. fuel level in tank detection system according to claim 1, it is characterized in that the bottom of described tongue tube fuel level sensor is fixedly connected on the bottom of fuel tank, the top vertical of described tongue tube fuel level sensor is directed upwards towards the top of fuel tank, and the height of described liquid level inductive switch installation position is higher than the height on described tongue tube fuel level sensor top.
6. fuel level in tank detection system according to claim 5, it is characterized in that described liquid level inductive switch is two, be respectively high liquid level inductive switch and low liquid level inductive switch, described high liquid level inductive switch and low liquid level inductive switch in the vertical direction interval are arranged on fuel tank sidewall, and the height of described low liquid level inductive switch in the vertical direction is higher than the height on described tongue tube fuel level sensor top.
7. fuel level in tank detection system according to claim 6, it is characterized in that described high liquid level inductive switch is arranged on 100% volume of fuel tank liquid level position place of fuel tank, described low liquid level inductive switch is arranged on 80% volume of fuel tank liquid level position place of fuel tank.
8. fuel level in tank detection system according to any one of claim 1 to 7, is characterized in that described oil level display device includes oil level lower than the warning device sending alerting signal during predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688901.4U CN205091025U (en) | 2015-09-08 | 2015-09-08 | Oil tank oil position detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520688901.4U CN205091025U (en) | 2015-09-08 | 2015-09-08 | Oil tank oil position detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN205091025U true CN205091025U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520688901.4U Active CN205091025U (en) | 2015-09-08 | 2015-09-08 | Oil tank oil position detecting system |
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| CN (1) | CN205091025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714488A (en) * | 2016-04-20 | 2016-06-29 | 杰克缝纫机股份有限公司 | Oil quantity detection device for oil disc of sewing machine and sewing machine |
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2015
- 2015-09-08 CN CN201520688901.4U patent/CN205091025U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105714488A (en) * | 2016-04-20 | 2016-06-29 | 杰克缝纫机股份有限公司 | Oil quantity detection device for oil disc of sewing machine and sewing machine |
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