CN203812669U - Triple synchronous potentiometer - Google Patents
Triple synchronous potentiometer Download PDFInfo
- Publication number
- CN203812669U CN203812669U CN201420243070.5U CN201420243070U CN203812669U CN 203812669 U CN203812669 U CN 203812669U CN 201420243070 U CN201420243070 U CN 201420243070U CN 203812669 U CN203812669 U CN 203812669U
- Authority
- CN
- China
- Prior art keywords
- potentiometer
- spin axis
- potentiometers
- gear
- simply connected
- 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 - Fee Related
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- Adjustable Resistors (AREA)
Abstract
The utility model relates to a triple potentiometer, solving the defects that the traditional triple potentiometer coaxially equipped with three adjustable resistors is great in manufacturing difficulty, complex in process, great in three-phase nonlinear error and low in precision. A triple synchronous potentiometer is invented; three single potentiometers with equal resistance values are arranged on the same substrate, gears with the same teeth number are respectively arranged on rotating shafts of three single potentiometers as the driven gears, the teeth number on a driving rotating shaft is less than that on the driven gear in multiple, so that the driven gear moves a small distance when the driving rotating shaft rotates a round, the shake while adjusting is avoided; the resistance values of the three potentiometers are the same so that the adjusting precision and the synchronization are guaranteed.
Description
Technical field
The utility model relates to electric utility, particularly relates to a kind of three synchronizing potential devices.
Background technology
At present in electric utility, adjust three potentiometers that three-phase voltage current is used, have another name called three adjustable resistors, what adopt is three adjustable potentiometers to be housed on coaxial, adjust while changing resistance, spin axis is adjusted in rotation, and rotary contact is installed respectively in spin axis, slides and change its resistance size in contact on ring resistance.This traditional potentiometer manufacture difficulty is large, and complex process is rotated spin axis shake greatly during use, produced the non-line error of three-phase large, is difficult to guarantee three-phase synchronous and precision, the shortcomings such as manufacturing cost height.
Summary of the invention
The utility model is exactly complicated in order to solve traditional three gang potentiometer manufacturing process, cost is high, poor stability during use, the large defect of the non-line error of three-phase, invent a kind of three synchronizing potential devices, adopt the simply connected potentiometer of three similar resistance, utilize planetary mode, the three synchronizing potential devices that form, have thoroughly changed the defect of traditional three potentiometers.
For achieving the above object, invent a kind of three synchronizing potential devices, three simply connected potentiometers that resistance is identical are installed on a substrate, in the adjustment spin axis of three simply connected potentiometers, same gear is installed respectively.
The preferential technical scheme of the utility model is, be provided with substrate, the simply connected potentiometer of three equal resistances of installation of decile on the circumference of substrate, three same gears are installed respectively in the adjustment spin axis of simply connected potentiometer, initiatively spin axis is installed in the middle of three same gears, initiatively the gear in spin axis and three same gear engagements, form planetary mechanical system.
The utility model further preferred technical scheme is, three potentiometers that gear has been installed belong to passive mechanical structure, and its active mechanical structure is the adjustment spin axis being provided with for tooth.
The utility model more further preferred technical scheme is that the number of teeth in the gear ratio active accommodation spin axis of installing on three simply connected potentiometers is many.
A kind of three synchronizing potential devices of the present utility model, in fact from function, be the simply connected potentiometer three similar resistance, install gear, then be provided with the active spin axis for tooth, be assembled on a substrate, form a complete synchronous planetary operating state.
The further feature of the utility model, by the description of following embodiment, is clearly recorded.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is simply connected potentiometer of the present utility model and gear schematic diagram;
Fig. 3 is that the utility model is for the active spin axis schematic diagram of tooth.
Reference numeral explanation:
1, potentiometer gear; 2, potentiometer spin axis; 3, active spin axis; 4, driving gear; 5, substrate; 6, potentiometer.
Embodiment
As shown in drawings, three synchronizing potential devices are provided with substrate 5, three (A, B, C) potentiometers 6 of installation of decile on circumference on substrate 5, the gear 1 of the equal number of teeth is installed respectively in the spin axis 2 of three potentiometers 6, again that the gear 1 that packs three potentiometers in the active spin axis 3 for tooth into is middle, make gear 4 and the engagement of the tooth on three potentiometers on driving shaft 3, form planetary mechanical system.
Three potentiometers 6 that gear 1 has been installed belong to passive mechanical structure, and its active mechanical structure is to adjust spin axis 3, in adjustment spin axis 3, is provided with gear.
The number of teeth than in active accommodation spin axis 3 of the gear 1 of installing on three simply connected potentiometers 6 is many.
In the present embodiment, the gear 1 of installing on three simply connected potentiometers 6 is the adjustment number of turns ratio according to the diameter of potentiometer 6 and active accommodation spin axis 3, decides its number of teeth separately.
Below the course of work of the present embodiment is illustrated:
In the course of work, adjust initiatively spin axis 3, make gear 4 in spin axis 3 initiatively mesh rotation on the gear 1 of three simply connected potentiometers 6, because the number of teeth in active spin axis 3 is less than the multiple number of teeth of driven gear 1, so initiatively spin axis in adjustment, revolve turn around and driven gear just by the multiple very little segment distance of walking, so just there is not shake, the resistance of other three potentiometers is identical, just guarantees three-phase synchronous.
Claims (3)
1. a synchronizing potential device, it is characterized in that being provided with substrate, the simply connected potentiometer of three equal resistances of installation of decile on the circumference of substrate, three same gears are installed respectively in the adjustment spin axis of the simply connected potentiometer of described three equal resistances, initiatively spin axis is installed in the middle of described three same gears, gear engagement in described three same gears and described active spin axis, forms planetary mechanical system.
2. a kind of three synchronizing potential devices according to claim 1, is characterized in that three are with cogged potentiometer to belong to passive mechanical structure, and its active mechanical structure is the adjustment spin axis being provided with for tooth.
3. according to a kind of three synchronizing potential devices described in claim 1 or 2, the number of teeth in the gear ratio active accommodation spin axis that it is characterized in that installing on three simply connected potentiometers is many.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243070.5U CN203812669U (en) | 2014-05-09 | 2014-05-09 | Triple synchronous potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243070.5U CN203812669U (en) | 2014-05-09 | 2014-05-09 | Triple synchronous potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203812669U true CN203812669U (en) | 2014-09-03 |
Family
ID=51451390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243070.5U Expired - Fee Related CN203812669U (en) | 2014-05-09 | 2014-05-09 | Triple synchronous potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203812669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956243A (en) * | 2014-05-09 | 2014-07-30 | 黄道兴 | Triple synchronous potentiometer |
-
2014
- 2014-05-09 CN CN201420243070.5U patent/CN203812669U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956243A (en) * | 2014-05-09 | 2014-07-30 | 黄道兴 | Triple synchronous potentiometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |