CN105352566A - Electronic oil level detection device - Google Patents
Electronic oil level detection device Download PDFInfo
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- CN105352566A CN105352566A CN201510848007.3A CN201510848007A CN105352566A CN 105352566 A CN105352566 A CN 105352566A CN 201510848007 A CN201510848007 A CN 201510848007A CN 105352566 A CN105352566 A CN 105352566A
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- float
- oil level
- sliding bar
- magnetic part
- electronic oil
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Abstract
The invention discloses an electronic oil level detection device which solves the problem that non-contact type detection and accurate oil quantity detection cannot be achieved simultaneously. According to the technical scheme, the electronic oil level detection device comprises a floater, and further comprises a support which is used for limiting the position of the floater and allowing the floater to float up and down, a magnetic piece is arranged in the floater, a plurality of Hall elements used for detecting the position of the magnetic piece are arranged on the support, the Hall elements detect the position of the magnetic piece in sequence, and the positions of the Hall elements correspond to values of oil quantity one by one. According to the electronic oil level detection device, the magnetic piece arranged in the floater is detected through the Hall elements to achieve non-contact type detection, and the Hall elements correspond to the values of the oil quantity one by one, so that the value, corresponding to the magnetic piece detected by one Hall element, of the oil quantity is the value of the oil quantity at the position, and thus the accurate detection function is achieved.
Description
Technical field
The present invention relates to internal combustion engine, more particularly, it relates to a kind of electronic oil level pick-up unit.
Background technology
Oil level detection device for internal combustion engine needs float can not be vulnerable to the impact of instantaneous oil level fluctuation.Oil mass pick-up unit mostly is sectional type (adopting tongue tube+magnet+float), also has employing linear resistor type (adopting float+contact resistance).
In order to realize object, application number is the oil level detection device for internal combustion engine of 200720002188.9, have employed sectional type (adopting tongue tube+magnet+float), although sectional type is contactless, but it is how many accurately to detect oil mass, can only know that oil mass is at that gear, can not check real-time oil quantity.And another kind of employing linear resistor type, then dependence is detected contact resistance resistance how much judge, because oil directly contacts with contact resistance, there is potential safety hazard and poor accuracy problem, so current used electronic oil level pick-up unit has certain room for improvement.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of electronic oil level pick-up unit, while non-contact detection being realized, also accurately can detect oil mass.
For achieving the above object, the invention provides following technical scheme: a kind of electronic oil level pick-up unit, comprise float, also comprise for limiting float position and the support that can fluctuate for float, magnetic part is provided with in described float, described support is provided with the some Hall elements for detecting magnetic part position, some described Hall elements detect successively magnetic part position and with the value one_to_one corresponding of oil mass.
Adopt such scheme, detect to realize non-contact detection to the magnetic part be arranged in float by Hall element, and the value one_to_one corresponding of some Hall elements and oil mass, one of them Hall element is made magnetic part to be detected, then represent the value being in this oil mass, to realize the function accurately detected.
As preferably, described float comprises float and lower float, and described lower float is provided with the standing groove for placing for magnetic part, and described upper float is provided with the inserted block with standing groove grafting.
Adopt such scheme, magnetic part is arranged between upper float and lower float, when floating on pasta after float is engaged mutually with lower float, magnetic part can not have an impact to it, by improving the stability of structure, upper float and lower float grafting also can reach certain sealing effectiveness, and magnetic part can be avoided to be infected with fluid and to impact magnetic part.
As preferably, described support is provided with sliding bar, and described float is provided with the perforating worn for sliding bar, and described sliding bar is connected with float slippage.
Adopt such scheme, by sliding bar, float is only fluctuated on sliding bar, can not offset, avoid the magnetic part in float and Hall element spacing excessive and cause Hall element the position of magnetic part cannot be detected, and then its function accurately detected cannot be realized.
As preferably, described sliding bar is provided with two.
Adopt such scheme, make float by two-point locating, can only lengthwise movement, and cannot along its axial-rotation, improve the stability of structure, avoid float and lower float in rotary course, produce external force and cause mutually getting loose, and then magnetic part drops and cannot detect oil mass.
As preferably, described support is provided with the limiting plate for limiting sliding bar, and described sliding bar is arranged in limiting plate.
Adopt such scheme, limiting plate is positioned at mid-stent position on the upper side, sliding bar can be completely fixed, and avoids it to shake, and improves the stability of structure.
As preferably, described limiting plate is provided with reinforcement.
Adopt such scheme, the intensity strengthening limiting plate is set by reinforcement, improves its structural strength, avoid the situation occurring fracture, make production more convenient, improve the stability of structure.
As preferably, described support is provided with mounting groove, arranges check-out console in described mounting groove, and some described Hall elements are positioned on check-out console.
Adopt such scheme, check-out console is arranged in mounting groove and can effectively test section be blocked, avoid it to occur to float.
As preferably, some described Hall elements are evenly arranged on check-out console.
Adopt such scheme, Hall element and oil quantity scale one_to_one corresponding, make the oil quantity scale corresponding to Hall element of evenly arrangement also can show represented oil mass uniformly, namely make user can carry out more easily reading oil mass number, improve simple operation.
The present invention is in terms of existing technologies:
1, realize non-contact detection also can realize accurately detecting oil mass simultaneously;
2, magnetic part is arranged at the inner disabler causing detecting oil level to avoid magnetic part to drop of float.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present embodiment;
Fig. 2 is the explosive view of the present embodiment.
In figure: 1a, float; 11a, upper float; 12a, lower float; 13a, standing groove; 14a, magnetic part; 2a, support; 21a, sliding bar; 22a, perforating; 23a, limiting plate; 24a, reinforcement; 25a; Mounting groove; 3a, Hall element; 31a, check-out console.
Embodiment
Shown in Fig. 2, embodiment is described further.
A kind of electronic oil level pick-up unit disclosed in the present embodiment, as shown in Fig. 1 to 2, comprise float 1a, magnetic part 14a is provided with in float 1a, magnetic part 14a is preferably magnet, because magnet is more common on the market, be convenient to produce and install, float 1a comprises float 11a and lower float 12a, lower float 12a is provided with the standing groove 13a for placing for magnetic part 14a, standing groove 13a ovalize is arranged, and near the edge of lower float 12a lateral wall, avoid magnetic part 14a set in standing groove 13a too inner and cause Hall element 3a the situation appearance of magnetic part 14a cannot be detected, magnetic part 14a is mutually corresponding with the shape size of standing groove 13a, magnetic part 14a and standing groove 13a is suitable, so that magnetic part 14a can put into standing groove 13a freely, be convenient to install, go up float 11a simultaneously and be provided with the inserted block with standing groove 13a grafting, inserted block excessively coordinates with standing groove 13a, namely after inserted block being inserted standing groove 13a by external force, effectively can ensure that standing groove 13a is sealed, fluid is avoided to enter in standing groove 13a and contact with magnetic part 14a.
As shown in Fig. 1 to 2, also comprise for limiting float 1a position and the support 2a that can fluctuate for float 1a, support 2a is provided with sliding bar 21a, support 2a is provided with the mounting hole installed for sliding bar 21a, the two ends of sliding bar 21a are arranged on respectively in relative mounting hole and can realize installing, and sliding bar 21a can make by having certain flexible material, in installation process, only need to make sliding bar 21a that elastic deformation occur by external force, be pressed in mounting hole, removing external force, sliding bar 21a returns to original state, has connect installation; Also can be made up of rigid material, mounting hole is set to through hole, sliding bar 21a and mounting hole interference fit, is namely pressed in mounting hole by sliding bar 21a by external force, thus realizes fixed installation.
As shown in Fig. 1 to 2, float 1a is provided with the perforating 22a worn for sliding bar 21a, sliding bar 21a is connected with float 1a slippage, coordinated by the slippage between float 1a with sliding bar 21a, float 1a can be fluctuated along with the number of the amount of fluid, to realize by the magnetic part 14a in float 1a to carry out detecting the function of oil level, sliding bar 21a is provided with two, make float 1a by two-point locating, can only lengthwise movement, and cannot along its axial-rotation, improve the stability of structure, float 11a and lower float 12a is avoided in rotary course, to produce external force and cause mutually getting loose, and then magnetic part 14a drops and cannot detect oil mass, support 2a is provided with the limiting plate 23a for limiting sliding bar 21a, sliding bar 21a is arranged in limiting plate 23a, limiting plate 23a is positioned at position on the upper side in the middle part of support 2a, sliding bar 21a can be completely fixed, avoid it to shake, improve the stability of structure, limiting plate 23a is provided with reinforcement 24a, arranged by reinforcement 24a with the intensity strengthening limiting plate 23a, improve its structural strength, avoid the situation occurring fracture, make production more convenient, improve the stability of structure.
As shown in Figure 2, support 2a is provided with the some Hall element 3a for detecting magnetic part 14a position, some Hall element 3a detect successively magnetic part 14a position and with the value one_to_one corresponding of oil mass, support 2a is provided with mounting groove 25a, check-out console 31a is set in mounting groove 25a, some Hall element 3a are positioned at some Hall element 3a on check-out console 31a and are evenly arranged on check-out console 31a, and Hall element 3a is arranged on straight line, this straight line and float 1a glide direction straight line parallel, so that Hall element 3a detects magnetic part 14a, magnetic part 14a and Hall element 3a centre distance are less than 10mm simultaneously, to ensure that Hall element 3a practical can detect magnetic part 14a, avoid both distant and occur detecting the situation of magnetic part 14a, spacing between adjacent two Hall element 3a is less than 20mm, to make show present oil mass more accurately, improve accurate degree of detection.
When float 1a is when the upper surface of fluid is floating, when float 1a floats to certain position, the Hall element 3a that oil level is corresponding with it detects the magnetic part 14a in float 1a, an oil mass detection signal can be exported to make Hall element 3a, to be shown this oil mass by control module, can be shown by LED, namely Hall element 3a detects magnetic part 14a, then the control module control LED corresponding with this Hall element 3a is lighted, to realize the display to oil mass, be convenient to staff and read.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. an electronic oil level pick-up unit, comprise float (1a), it is characterized in that: also comprise for limiting float (1a) position and the support (2a) that can fluctuate for float (1a), magnetic part (14a) is provided with in described float (1a), described support (2a) is provided with the some Hall elements (3a) for detecting magnetic part (14a) position, some described Hall elements (3a) detect successively magnetic part (14a) position and with the value one_to_one corresponding of oil mass.
2. electronic oil level pick-up unit according to claim 1, it is characterized in that: described float (1a) comprises float (11a) and lower float (12a), described lower float (12a) is provided with the standing groove (13a) for placing for magnetic part (14a), and described upper float (11a) is provided with the inserted block with standing groove (13a) grafting.
3. electronic oil level pick-up unit according to claim 1, it is characterized in that: described support (2a) is provided with sliding bar (21a), described float (1a) is provided with the perforating (22a) worn for sliding bar (21a), and described sliding bar (21a) is connected with float (1a) slippage.
4. electronic oil level pick-up unit according to claim 3, is characterized in that: described sliding bar (21a) is provided with two.
5. the electronic oil level pick-up unit according to claim 3 or 4, is characterized in that: described support (2a) is provided with the limiting plate (23a) for limiting sliding bar (21a), and described sliding bar (21a) is arranged in limiting plate (23a).
6. electronic oil level pick-up unit according to claim 5, is characterized in that: described limiting plate (23a) is provided with reinforcement (24a).
7. electronic oil level pick-up unit according to claim 1, it is characterized in that: described support (2a) is provided with mounting groove (25a), arrange check-out console (31a) in described mounting groove (25a), some described Hall elements (3a) are positioned on check-out console (31a).
8. electronic oil level pick-up unit according to claim 7, is characterized in that: some described Hall elements (3a) are evenly arranged on check-out console (31a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848007.3A CN105352566A (en) | 2015-11-28 | 2015-11-28 | Electronic oil level detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848007.3A CN105352566A (en) | 2015-11-28 | 2015-11-28 | Electronic oil level detection device |
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| CN105352566A true CN105352566A (en) | 2016-02-24 |
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| CN201510848007.3A Pending CN105352566A (en) | 2015-11-28 | 2015-11-28 | Electronic oil level detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421606A (en) * | 2017-07-28 | 2017-12-01 | 珠海格力电器股份有限公司 | Liquid level detection device, detection method and water tank |
| CN107966189A (en) * | 2018-01-26 | 2018-04-27 | 佛山市川东磁电股份有限公司 | A kind of side stent liquid level Magnetic Sensor |
| CN108254043A (en) * | 2018-01-26 | 2018-07-06 | 佛山市川东磁电股份有限公司 | A kind of anti-deflection liquid level magnetic sensor |
| CN112729478A (en) * | 2020-12-25 | 2021-04-30 | 苏州焜原光电有限公司 | Liquid level detection device, liquid nitrogen circulating system and liquid level control device thereof |
| CN115371775A (en) * | 2022-10-25 | 2022-11-22 | 山东明程石油设备有限公司 | Energy-saving explosion-proof LED light shows teletransmission level gauge |
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| CN2348368Y (en) * | 1998-09-22 | 1999-11-10 | 厦门大学 | Magnetic liquid level measuring device |
| CN202024807U (en) * | 2011-04-24 | 2011-11-02 | 杭州电子科技大学 | Hall type water level detection device for inspection well |
| CN202533155U (en) * | 2012-02-16 | 2012-11-14 | 中国石油天然气股份有限公司 | High-strength adjustable magnetic float |
| CN202814328U (en) * | 2012-08-30 | 2013-03-20 | 杨会峰 | Long-stroke displacement measuring apparatus based on Hall effect |
| CN103791984A (en) * | 2012-10-29 | 2014-05-14 | 重庆卓特科技有限公司 | Oil level indicator based on Hall effect |
| CN205280187U (en) * | 2015-11-28 | 2016-06-01 | 宁波市德霖机械有限公司 | Electron oil level detection device |
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2015
- 2015-11-28 CN CN201510848007.3A patent/CN105352566A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2348368Y (en) * | 1998-09-22 | 1999-11-10 | 厦门大学 | Magnetic liquid level measuring device |
| CN202024807U (en) * | 2011-04-24 | 2011-11-02 | 杭州电子科技大学 | Hall type water level detection device for inspection well |
| CN202533155U (en) * | 2012-02-16 | 2012-11-14 | 中国石油天然气股份有限公司 | High-strength adjustable magnetic float |
| CN202814328U (en) * | 2012-08-30 | 2013-03-20 | 杨会峰 | Long-stroke displacement measuring apparatus based on Hall effect |
| CN103791984A (en) * | 2012-10-29 | 2014-05-14 | 重庆卓特科技有限公司 | Oil level indicator based on Hall effect |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421606A (en) * | 2017-07-28 | 2017-12-01 | 珠海格力电器股份有限公司 | Liquid level detection device, detection method and water tank |
| CN107421606B (en) * | 2017-07-28 | 2024-01-26 | 珠海格力电器股份有限公司 | Liquid level detection device, detection method and water tank |
| CN107966189A (en) * | 2018-01-26 | 2018-04-27 | 佛山市川东磁电股份有限公司 | A kind of side stent liquid level Magnetic Sensor |
| CN108254043A (en) * | 2018-01-26 | 2018-07-06 | 佛山市川东磁电股份有限公司 | A kind of anti-deflection liquid level magnetic sensor |
| CN112729478A (en) * | 2020-12-25 | 2021-04-30 | 苏州焜原光电有限公司 | Liquid level detection device, liquid nitrogen circulating system and liquid level control device thereof |
| CN115371775A (en) * | 2022-10-25 | 2022-11-22 | 山东明程石油设备有限公司 | Energy-saving explosion-proof LED light shows teletransmission level gauge |
| CN115371775B (en) * | 2022-10-25 | 2023-01-03 | 山东明程石油设备有限公司 | Energy-saving explosion-proof LED light display remote transmission liquid level meter |
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Application publication date: 20160224 |