CN203161400U - Electrical control rotary type fuel quantity actuator of dispensing pump - Google Patents
Electrical control rotary type fuel quantity actuator of dispensing pump Download PDFInfo
- Publication number
- CN203161400U CN203161400U CN 201320103080 CN201320103080U CN203161400U CN 203161400 U CN203161400 U CN 203161400U CN 201320103080 CN201320103080 CN 201320103080 CN 201320103080 U CN201320103080 U CN 201320103080U CN 203161400 U CN203161400 U CN 203161400U
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- CN
- China
- Prior art keywords
- proportioning pump
- rotor shaft
- rotor
- housing
- final controlling
- 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 - Lifetime
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Abstract
The utility model relates to an electrical control rotary type fuel quantity actuator of a dispensing pump. The actuator comprises a casing (1) which is connected with a rotor shaft (2) in the vertical direction in a penetrating manner, wherein a rotor (3) is mounted at one end, located in the casing (1), of the rotor shaft (2) in a sleeving manner; a drive coil (4) is mounted in the casing (1) and located beside the rotor (3); the drive coil (4) and the rotor (3) form a motor structure; a permanent magnet (5) is arranged at the top, located in the casing (1), of the rotor shaft (2); a PCB (printed circuit board) (6) is arranged right above the permanent magnet (5); and a Hall element (7) is mounted on the PCB (6) and located on an axis of the rotor shaft (2). The electrical control rotary type fuel quantity actuator of the dispensing pump is simple in structure, good in consistency and low in manufacturing cost.
Description
Technical field
The utility model relates to a kind of oil mass final controlling element, especially relates to a kind of rotary oil mass final controlling element that is applied on the complete automatically controlled VE proportioning pump of diesel engine, belongs to diesel electric-controlled technical field.
Background technique
At present, diesel engine need use proportioning pump that oil mass is supplied with and control, to realize unremitting stable fuel feeding continuously; Need use the oil mass final controlling element that fuel injection quantity is fed back and control in real time for proportioning pump, so the feedback accuracy of oil mass final controlling element, sensitivity are directly determining the stability of diesel engine fuel feeding; Conventional oil mass final controlling element adopts the short-circuited conducting sleeve sensor to detect, the short-circuited conducting sleeve sensor mainly is made up of iron core, inductance coil and dynamic and static measurement ring, when inductance coil is subjected to an alternating signal, core interior will produce the electromagnetic field of alternation, be subjected to it to influence dynamic and static measurement ring and will produce electric convolution, and this electric convolution will react on inductance coil, change its impedance; The specific conductance of the impedance of inductance coil and dynamic and static measurement ring material, permeability, excitation frequency and moving to measure the angle that ring rotates relevant, when dynamic and static measurement ring material and excitation frequency one regularly, impedance just has functional relation with the angle that measurement encircles;
This sensor testing precision is than higher, but discovery has the following disadvantages in actual use:
1., the mounting structure complexity, and processing circuit is comparatively complicated, debugging is difficulty relatively;
2., the linearity of angle of swing and output signal is relatively poor,
3., conformity is poor between each final controlling element, need debug separately, thereby influence large-scale industrial production;
4., used device is more, causes fabricating cost than higher.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and a kind of simple in structure, high conformity and the automatically controlled rotary oil mass final controlling element of proportioning pump cheap for manufacturing cost are provided.
The purpose of this utility model is achieved in that the automatically controlled rotary oil mass final controlling element of a kind of proportioning pump, described final controlling element includes housing, the vertical cross-under of described housing has a rotor shaft, described rotor shaft is positioned on the end of housing and is set with a rotor, one drive coil is installed in the housing, this drive coil is positioned at by the rotor, drive coil and rotor constitute a motor configuration, the top that described rotor shaft is positioned at housing is provided with a permanent magnet, one pcb board be arranged at permanent magnet directly over, on the described pcb board Hall element is installed, and Hall element is positioned on the axis of rotor shaft.
The automatically controlled rotary oil mass final controlling element of the utility model proportioning pump, described rotor shaft is positioned at the outer bottom of housing and is connected with an eccentric bulb, be movably installed with a control sliding sleeve on the proportioning pump plunger of proportioning pump, the above-mentioned eccentric sphere head that moves in a circle around the central axis of rotor shaft drive the control sliding sleeve along the proportioning pump plunger axis to doing straight line motion, and when the control sliding sleeve along the proportioning pump plunger axis to linear slide the time, be arranged at unloading hole on the proportioning pump plunger and controlled sliding sleeve and open or seal.
The automatically controlled rotary oil mass final controlling element of the utility model proportioning pump also is equipped with temperature transducer on the described pcb board.
The automatically controlled rotary oil mass final controlling element of the utility model proportioning pump, described Hall element are two hall devices.
Compared with prior art, the beneficial effects of the utility model are:
The utility model utilizes Hall element to have precision height (can reach ± 0.001mm precision), advantage that antijamming capability is strong, and its structure is more simple, need not complicated devices such as coil, not only reduced cost, and reduced the maintenance difficulties of device, and Hall element has the conformity of height, need not between the different product to debug separately, improve production efficiency of products greatly, be conducive to large-scale industrial production; Simultaneously at pcb board temperature transducer is set, can increases its level of integration, reduce the rate of fault that produces because of the components and parts dispersion.
Description of drawings
Fig. 1 is the structural representation of the automatically controlled rotary oil mass final controlling element of the utility model proportioning pump.
Wherein:
Embodiment
Referring to Fig. 1, the automatically controlled rotary oil mass final controlling element of a kind of proportioning pump that the utility model relates to, described final controlling element includes housing 1, described housing 1 vertical cross-under has a rotor shaft 2, and sliding joining is connected between this rotor shaft 2 and the housing 1, described rotor shaft 2 is positioned on the end of housing 1 and is set with a rotor 3, one drive coil 4 is installed in the housing 1, it is other that this drive coil 4 is positioned at rotor 3, drive coil 4 and rotor 3 constitute a motor configuration, when ECU gives drive coil 4 one driving current signal, rotor 3 begins to rotate under the magnetic field effect that drive coil 4 current signals produce, and according to the driving current signal difference of ECU input drive coil 4, rotor 3 stays in a certain relative position under the effect of return spring power; The top that described rotor shaft 2 is positioned at housing 1 be provided with a permanent magnet 5, one pcb boards 6 be arranged at permanent magnet 5 directly over, and pcb board 6 by bolt in shell 1; On the described pcb board 6 Hall element 7 and temperature transducer are installed, and the sensitizing range of Hall element 7 is positioned on the axis of rotor shaft 2 the two Hall circuits (differential Hall circuit) of these Hall element 7 employings;
Described rotor shaft 2 is positioned at housing 1 outer bottom and is connected with an eccentric bulb 8, be movably installed with a control sliding sleeve 10 on the proportioning pump plunger 9 of described proportioning pump, the above-mentioned eccentric bulb 8 that moves in a circle around the central axis of rotor shaft 2 drives control sliding sleeve 10 and axially does straight line motion along proportioning pump plunger 9, and when control sliding sleeve 10 during along the axial linear slide of proportioning pump plunger 9, be arranged at unloading hole 11 on the proportioning pump plunger 9 and controlled sliding sleeves 10 and open or seal;
Above-mentioned eccentric bulb 8 drive control sliding sleeves 10 do straight line motion can be in the following way: the overcoat wall at control sliding sleeve 10 arranges a groove, eccentric bulb 8 is placed in this groove, when eccentric bulb 8 moves in a circle, can drive control sliding sleeve 10 by the effect to the groove inwall and do line activities; One connecting rod perhaps is set, and this connecting rod one end and eccentric bulb 8 are hinged, and the other end is hinged with control sliding sleeve 10, thereby the circular movement of eccentric bulb 8 are converted to the straight line motion of control sliding sleeve 10 by connecting rod; Certainly, those skilled in the art also under design enlightenment of the present utility model, utilize other structural type that the circular movement of eccentric bulb 8 is converted to the straight line motion of controlling sliding sleeve 10, and it is all within protection domain of the present utility model.
Working principle of the present utility model is:
When driving rotor 3, drive coil 4 rotates, thereby rotor 3 drives rotor shaft 2 and rotates, the permanent magnet 5 at rotor shaft 2 tops and the eccentric bulb 3 of bottom turn over equal angular, therefore measure the angle that permanent magnet 5 turns over by Hall element 7, the angle that eccentric bulb 3 turns over can be learnt, and itself and the proportionate relationship of controlling sliding sleeve 10 displacements can be learnt by corresponding program (arranging on the pcb board 6 with corresponding processor or programmable device) conversion; The utility model utilizes Hall element 7 to have the advantage of precision height (can reach ± 0.001mm precision), antijamming capability strong (digital quantity output), and its structure is more simple, need not complicated devices such as coil, not only reduced cost, and reduced the maintenance difficulties of device, and Hall element has the conformity of height, need not between the different product to debug separately, improve production efficiency of products greatly, be conducive to large-scale industrial production; Simultaneously at pcb board 6 temperature transducer is set, can increases its level of integration, reduce the rate of fault that produces because of the components and parts dispersion.
Claims (4)
1. automatically controlled rotary oil mass final controlling element of proportioning pump, described final controlling element includes housing (1), the vertical cross-under of described housing (1) has a rotor shaft (2), described rotor shaft (2) is positioned on the end of housing (1) and is set with a rotor (3), one drive coil (4) is installed in the housing (1), it is other that this drive coil (4) is positioned at rotor (3), drive coil (4) and rotor (3) constitute a motor configuration, it is characterized in that: the top that described rotor shaft (2) is positioned at housing (1) is provided with a permanent magnet (5), one pcb board (6) be arranged at permanent magnet (5) directly over, Hall element (7) is installed on the described pcb board (6), and Hall element (7) is positioned on the axis of rotor shaft (2).
2. the automatically controlled rotary oil mass final controlling element of a kind of proportioning pump according to claim 1, it is characterized in that: described rotor shaft (2) is positioned at the outer bottom of housing (1) and is connected with an eccentric bulb (8), be movably installed with a control sliding sleeve (10) on the proportioning pump plunger (9) of proportioning pump, the above-mentioned eccentric bulb (8) that moves in a circle around the central axis of rotor shaft (2) drives control sliding sleeve (10) and axially does straight line motion along proportioning pump plunger (9), and when control sliding sleeve (10) along proportioning pump plunger (9) axially during linear slide, be arranged at unloading hole (11) on the proportioning pump plunger (9) and controlled sliding sleeve (10) and open or seal.
3. the automatically controlled rotary oil mass final controlling element of a kind of proportioning pump as claimed in claim 1 or 2, it is characterized in that: described pcb board also is equipped with temperature transducer on (6).
4. the automatically controlled rotary oil mass final controlling element of a kind of proportioning pump as claimed in claim 1 or 2, it is characterized in that: described Hall element (7) is two hall devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320103080 CN203161400U (en) | 2013-03-07 | 2013-03-07 | Electrical control rotary type fuel quantity actuator of dispensing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320103080 CN203161400U (en) | 2013-03-07 | 2013-03-07 | Electrical control rotary type fuel quantity actuator of dispensing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161400U true CN203161400U (en) | 2013-08-28 |
Family
ID=49022589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320103080 Expired - Lifetime CN203161400U (en) | 2013-03-07 | 2013-03-07 | Electrical control rotary type fuel quantity actuator of dispensing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174570A (en) * | 2013-03-07 | 2013-06-26 | 江阴林格科技有限公司 | Electronically controlled rotary type oil quantity actuator of dispensing pump |
| CN104199444A (en) * | 2014-09-05 | 2014-12-10 | 南京威孚金宁有限公司 | System and method for automated testing of oil quantity actuator |
-
2013
- 2013-03-07 CN CN 201320103080 patent/CN203161400U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174570A (en) * | 2013-03-07 | 2013-06-26 | 江阴林格科技有限公司 | Electronically controlled rotary type oil quantity actuator of dispensing pump |
| CN104199444A (en) * | 2014-09-05 | 2014-12-10 | 南京威孚金宁有限公司 | System and method for automated testing of oil quantity actuator |
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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: 20130828 |
|
| CX01 | Expiry of patent term |