CN202159072U - Removal structure of engine rotating speed signals - Google Patents
Removal structure of engine rotating speed signals Download PDFInfo
- Publication number
- CN202159072U CN202159072U CN2011201786704U CN201120178670U CN202159072U CN 202159072 U CN202159072 U CN 202159072U CN 2011201786704 U CN2011201786704 U CN 2011201786704U CN 201120178670 U CN201120178670 U CN 201120178670U CN 202159072 U CN202159072 U CN 202159072U
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- signal processing
- processing circuit
- coil
- taking
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Abstract
The utility model discloses a removal structure of engine rotating speed signals, comprising a rotating speed table which is equipped with two wiring terminals, and also comprising a magneto and a signal processing circuit. A coil is arranged in the magneto, and is connected with the signal processing circuit, and the signal processing circuit is connected with the wiring terminals. By using the removal structure of the engine rotating speed signals of the utility model, the defects of the prior art are overcome, the removed rotating speed signals are regular without needing to be processed by an IC chip, and the technical problem that electronic elements are easy to lose efficacy is overcome.
Description
Technical field
The utility model relates to the electric-control motor control system, refers in particular to a kind of taking-up structure of motor vehicle tach signal.
Background technology
Present motorcycle engine tach signal often takes out from ignition coil or CDI, after signal processing circuit is handled, rotates or rotation of cross coil movement or stepper motor rotation through IC chip drives moving coil, thereby drives gauge pointer work.The taking-up structure of sort signal; Need to handle through complicated signal processing circuit and IC chip, not only cost is higher, simultaneously; Again because the instability of power supply and signal; Reach components and parts such as signal processing circuit and IC chip and lost efficacy easily, cause instrumentation normally not carry out, and can not in time reflect tach signal.
The utility model content
The utility model provides a kind of taking-up structure of engine rotational speed signal, and it has overcome the defective of prior art, and the tach signal of taking-up is regular, need not pass through the IC chip and handle tach signal, has overcome the easy technical matters that lost efficacy of electronic component.
The utility model is achieved in that
A kind of taking-up structure of engine rotational speed signal; It includes tachometer gage; Said tachometer gage is provided with two binding posts, and it also includes magneto generator and signal processing circuit, is provided with coil in the said magneto generator; Said coil is connected with said signal processing circuit, and said signal processing circuit is connected with said binding post.
Preferably; Said tachometer gage also includes pointer, moving coil, indication panel and needle shaft; Said pointer is positioned at said indication panel top, and said moving coil is positioned at said indication panel below, and said needle shaft is connected with said pointer, said binding post and said moving coil.
Preferably, said binding post a bit is connected with any of said coil.
Preferably, said signal processing circuit is the rectification and voltage division circuit, and it includes diode, at least one electric capacity and at least one resistance, said diode and the said electric capacity formation parallel circuit that is connected in parallel, and this parallel circuit and said resistance are connected in series.
Preferably, said signal processing circuit includes two electric capacity and two resistance, and two said electric capacity are connected in parallel, and with the said diode formation parallel circuit that is connected in parallel, two said resistance series connection and with this parallel circuit be connected in series.
The taking-up structure of the utility model engine rotational speed signal compared with prior art has following beneficial effect:
The utility model takes out tach signal from the coil of magneto generator, and tach signal and engine speed that the taking-up structure of this kind tach signal is taken out are linear, and the tach signal of taking-up is regular; After signal processing circuit is handled; Resupply moving coil, moving coil is stressed rotation in magnetic field, does not need the IC chip drives; Not only reduce manufacturing cost, prolonged the life-span of tachometer gage simultaneously again.
Description of drawings
Fig. 1 is the structural representation of the taking-up structure of the utility model engine rotational speed signal;
Fig. 2 is the signal processing circuit figure of the taking-up structure of the utility model engine rotational speed signal.
Embodiment
The practical implementation structure
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing:
As shown in Figure 1; The taking-up structure of the utility model engine rotational speed signal, it includes tachometer gage, and said tachometer gage is provided with two binding posts 1; Magneto generator 2 and signal processing circuit (not shown in figure 1); Be provided with coil 21 in the said magneto generator 2, said coil 21 is connected with said signal processing circuit, and said signal processing circuit is connected with said binding post 1.Said tachometer gage also includes pointer 11, moving coil 12, indication panel 13 and needle shaft 14; Said pointer 11 is positioned at said indication panel 13 tops; Said moving coil 12 is positioned at said indication panel 13 belows, and said needle shaft 14 is connected with said pointer 11, said binding post 1 and said moving coil 12.After from said magneto generator 2, taking out tach signal through coil 21, through after the processing of said signal processing circuit, directly supply with said moving coil 12, the stressed rotation in magnetic field of said moving coil 12 is rotated thereby drive said pointer 11.
In the utility model, said binding post 1 a bit is connected arbitrarily with said coil 21, and coil 21 can be located at any part of said magneto generator 2.
As shown in Figure 2, said signal processing circuit is the rectification and voltage division circuit, and it includes diode D, at least one electric capacity and at least one resistance, said diode D and the said electric capacity formation parallel circuit that is connected in parallel, and this parallel circuit and said resistance are connected in series.In this preferred embodiment, said signal processing circuit includes two capacitor C
1, C
2And two resistance R
1, R
2, two said capacitor C
1, C
2Be connected in parallel, and with said diode D be connected in parallel formation parallel circuit, this parallel circuit and two said resistance R
1, R
2Be connected in series.In the utility model, preferred said resistance R
2Be adjustable resistance.
More than be merely the specific embodiment of the utility model, do not limit the protection domain of the utility model with this; Do not violate any replacement and the improvement of being done on the basis of the utility model design, all belonging to the protection domain of the utility model.
Claims (5)
1. the taking-up structure of an engine rotational speed signal; It includes tachometer gage, and said tachometer gage is provided with two binding posts, it is characterized in that; It also includes magneto generator and signal processing circuit; Be provided with coil in the said magneto generator, said coil is connected with said signal processing circuit, and said signal processing circuit is connected with said binding post.
2. the taking-up structure of engine rotational speed signal as claimed in claim 1; It is characterized in that; Said tachometer gage also includes pointer, moving coil, indication panel and needle shaft; Said pointer is positioned at said indication panel top, and said moving coil is positioned at said indication panel below, and said needle shaft is connected with said pointer, said binding post and said moving coil.
3. the taking-up structure of engine rotational speed signal as claimed in claim 1 is characterized in that, said binding post a bit is connected arbitrarily with said coil.
4. the taking-up structure of engine rotational speed signal as claimed in claim 1; It is characterized in that; Said signal processing circuit is the rectification and voltage division circuit; It includes diode, at least one electric capacity and at least one resistance, said diode and the said electric capacity formation parallel circuit that is connected in parallel, and this parallel circuit and said resistance are connected in series.
5. the taking-up structure of engine rotational speed signal as claimed in claim 4; It is characterized in that; Said signal processing circuit includes two electric capacity and two resistance; Two said electric capacity are connected in parallel, and with the said diode formation parallel circuit that is connected in parallel, two said resistance series connection and with this parallel circuit be connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201786704U CN202159072U (en) | 2011-05-31 | 2011-05-31 | Removal structure of engine rotating speed signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201786704U CN202159072U (en) | 2011-05-31 | 2011-05-31 | Removal structure of engine rotating speed signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159072U true CN202159072U (en) | 2012-03-07 |
Family
ID=45766704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201786704U Expired - Lifetime CN202159072U (en) | 2011-05-31 | 2011-05-31 | Removal structure of engine rotating speed signals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273053A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Rotating speed measuring device for motor |
-
2011
- 2011-05-31 CN CN2011201786704U patent/CN202159072U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273053A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Rotating speed measuring device for motor |
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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: 20120307 |