CN203053484U - Edge position sensor for alternate angle type blade - Google Patents
Edge position sensor for alternate angle type blade Download PDFInfo
- Publication number
- CN203053484U CN203053484U CN 201320043211 CN201320043211U CN203053484U CN 203053484 U CN203053484 U CN 203053484U CN 201320043211 CN201320043211 CN 201320043211 CN 201320043211 U CN201320043211 U CN 201320043211U CN 203053484 U CN203053484 U CN 203053484U
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- China
- Prior art keywords
- sensing unit
- permanent magnet
- unit chamber
- sensitive
- chamber
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model discloses an edge position sensor for an alternate angle type blade. The edge position sensor comprises a plastic housing, sensitive unit chambers and permanent magnet unit chambers. The sensitive unit chambers are positioned at a front surface of the plastic housing. The permanent magnet unit chambers are positioned at a rear surface of the plastic housing. Each sensitive unit chamber is provided with a pair of sensitive units. The permanent magnet unit chambers are provided with permanent magnets and cluster pieces. The plastic housing is provided with a substrate. The sensitive units are fixed on the substrate through metal wires, and the sensitive directions of the two sensitive units form an angle. By distributing the two pairs of the sensitive unit chambers and the permanent magnet unit chambers on one plastic housing in an alternate angle manner, the edge position sensor for the alternate angle type blade has two ways of Hall circuit output signals, is matched with corresponding blades, realizes double signal outputs of rotary angle and cylinder identification, can be used for outputting double signals of rotary speed and rotary direction, integrates double signal output, simplifies structural design of a system, improves reliability of the sensor, and has a wide application prospect.
Description
Technical field
The utility model relates to a kind of edge position transducer, is specifically related to a kind of alternate angle formula blade edge along position transducer.
Background technology
At present, the computer control ignition system of internal combustion engine, need crankshaft position sensor that speed of crankshaft information is provided, need CMPS Camshaft Position Sensor that cylinder position top dead center position information is provided simultaneously, through calculating the best igniting information of output, the control ignition mechanism, this will just need to install two kinds of sensors on internal combustion engine, could obtain complete igniting information.
The utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of alternate angle formula blade edge along position transducer, crankshaft position sensor and CMPS Camshaft Position Sensor are become one, the output two paths of signals, one the tunnel is rotary speed information, one the tunnel for declaring cylinder information, realized the function of two sensors with a sensor.
Technical scheme: for achieving the above object, a kind of alternate angle formula blade edge of the present utility model is along position transducer, comprise and mould shell, sensing unit chamber and permanent magnet unit chamber, described sensing unit chamber is positioned at moulds the shell front, described permanent magnet unit chamber is positioned at moulds the shell reverse side, the sensing unit chamber comprises the first sensing unit chamber and the second sensing unit chamber, the first sensing unit chamber is provided with first sensing unit, the second sensing unit chamber is provided with second sensing unit, the permanent magnet unit chamber comprises the first permanent magnet unit chamber and the second permanent magnet unit chamber, the first permanent magnet unit chamber and the second permanent magnet unit chamber are equipped with permanent magnet and boundling sheet, mould shell and be provided with substrate, first sensing unit and second sensing unit are installed on the substrate, the sensitive direction of the sensitive direction of first sensing unit and second sensing unit becomes angle to arrange, described angle is 60 ° ~ 90 °, is preferably 75 °.
As preferably, first sensing unit and second sensing unit are fixed by epoxy resin respectively in the described first sensing unit chamber and the second sensing unit chamber.
As preferably, the first permanent magnet unit chamber is positioned under the first sensing unit chamber, and the second permanent magnet unit chamber is positioned under the second sensing unit chamber.
The axis in the first sensing unit chamber and the first permanent magnet unit chamber overlaps with the sensor axis, the axis in the second sensing unit chamber and the second permanent magnet unit chamber and sensor axis angle are 60 ° ~ 90 °, be preferably 75 °, two groups of sensing unit chambeies and permanent magnet unit chamber are distributed on the housing of integrated injection moulding, two groups of sensing unit output two-way phase differential square wave digital signals consistent with the alternate angle angle in the sensing unit chamber
Alternate angle formula blade edge of the present utility model is along position transducer, two pairs of sensing unit chambeies and permanent magnet unit chamber alternate angle are distributed in one to be moulded on the shell, cooperate with the blade wheel of being formed by two groups of blades, export two groups of signals, realize the measurement of rotational speed and sense of rotation, perhaps realize crank position and the output of declaring cylinder signal.Described moulding embedded metal substrate on the shell, the one end is connected with sensing unit, and the other end is connected with cable plug.
Beneficial effect: alternate angle formula blade edge of the present utility model is along position transducer, by being distributed in one, two pairs of sensing unit chambeies and permanent magnet unit chamber alternate angle mould on the shell, has two-way Hall circuit output signal, cooperate with corresponding blade, can realize corner and declare the output of cylinder dual signal, also can be used for the output of rotating speed and sense of rotation dual signal, integrated dual signal output, both simplified the structural design of system, improved the reliability of sensor again, be with a wide range of applications.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is blade wheel construction synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further explanation.
As depicted in figs. 1 and 2, a kind of alternate angle formula blade edge of the present utility model is along position transducer, comprise and mould shell 2, sensing unit chamber and permanent magnet unit chamber, the sensing unit chamber is positioned at moulds shell 2 fronts, the permanent magnet unit chamber is positioned at moulds shell 2 reverse side, the sensing unit chamber comprises the first sensing unit chamber 3 and the second sensing unit chamber 4, the first sensing unit chamber 3 is provided with first sensing unit 5, the second sensing unit chamber 4 is provided with second sensing unit 10, the permanent magnet unit chamber comprises the first permanent magnet unit chamber 8 and the second permanent magnet unit chamber 9, the first permanent magnet unit chamber 8 and the second permanent magnet unit chamber 9 are equipped with permanent magnet 1 and boundling sheet, mould shell 2 and be provided with substrate 6, first sensing unit 5 and second sensing unit 10 are installed on the substrate 6, the sensitive direction of the sensitive direction of first sensing unit 5 and second sensing unit 10 forms an angle and arranges, described angle is 60 ° ~ 90 °, preferred 75 °.
In the utility model, first sensing unit 5 and second sensing unit 10 are fixed by epoxy resin in the first sensing unit chamber 3 and the second sensing unit chamber 4, the first permanent magnet unit chamber 8 is positioned under the first sensing unit chamber 3, and the second permanent magnet unit chamber 9 is positioned under the second sensing unit chamber 4.Assembling process at sensor, first sensing unit 5 and second sensing unit 10 are respectively charged in the first sensing unit chamber 3 and the second sensing unit chamber 4, fix with epoxide resin encapsulation material, three one metal wires of first sensing unit 5 and second sensing unit 10 are welded to respectively on three metal substrates 6; Permanent magnet and boundling sheet are installed in the first permanent magnet unit chamber 8 and the second permanent magnet unit chamber 9 and fix with the High temp. epoxy resins potting compound.Moulding on the shell 2 has metal support, and metal support one end is connected with two sensing units, and the other end is connected with external circuit by cable plug.
Blade wheel as shown in Figure 3, two groups of blades are distributed on the different radiuses, Hall circuit output rotational speed signal or the crankshaft-position signal of first group of blade 7 correspondence, the Hall circuit of second group of blade 11 correspondence is exported the sense of rotation signal or is declared cylinder signal.
The above only is preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. an alternate angle formula blade edge is along position transducer, it is characterized in that: comprise and mould shell (2), sensing unit chamber and permanent magnet unit chamber, described sensing unit chamber is positioned at moulds shell (2) front, described permanent magnet unit chamber is positioned at moulds shell (2) reverse side, the sensing unit chamber comprises the first sensing unit chamber (3) and the second sensing unit chamber (4), the first sensing unit chamber (3) is provided with first sensing unit (5), the second sensing unit chamber (4) is provided with second sensing unit (10), the permanent magnet unit chamber comprises the first permanent magnet unit chamber (8) and the second permanent magnet unit chamber (9), the first permanent magnet unit chamber (8) and the second permanent magnet unit chamber (9) are equipped with permanent magnet (1) and boundling sheet, mould shell (2) and be provided with substrate (6), first sensing unit (5) and second sensing unit (10) are installed on the substrate (6), the sensitive direction of first sensing unit (5) becomes angle to arrange with the sensitive direction of second sensing unit (10), and described angle is 60 ° ~ 90 °.
2. alternate angle formula blade edge according to claim 1 is characterized in that along position transducer: first sensing unit (5) and second sensing unit (10) are fixed by epoxy resin respectively in the described first sensing unit chamber (3) and the second sensing unit chamber (4).
3. alternate angle formula blade edge according to claim 1 is along position transducer, it is characterized in that: the described first permanent magnet unit chamber (8) is positioned under the first sensing unit chamber (3), and the described second permanent magnet unit chamber (9) is positioned under the second sensing unit chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320043211 CN203053484U (en) | 2013-01-25 | 2013-01-25 | Edge position sensor for alternate angle type blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320043211 CN203053484U (en) | 2013-01-25 | 2013-01-25 | Edge position sensor for alternate angle type blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053484U true CN203053484U (en) | 2013-07-10 |
Family
ID=48736428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320043211 Expired - Lifetime CN203053484U (en) | 2013-01-25 | 2013-01-25 | Edge position sensor for alternate angle type blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203053484U (en) |
-
2013
- 2013-01-25 CN CN 201320043211 patent/CN203053484U/en not_active Expired - Lifetime
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |