CN202887894U - Novel high-accuracy potentiometer with switch - Google Patents
Novel high-accuracy potentiometer with switch Download PDFInfo
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- CN202887894U CN202887894U CN 201220232909 CN201220232909U CN202887894U CN 202887894 U CN202887894 U CN 202887894U CN 201220232909 CN201220232909 CN 201220232909 CN 201220232909 U CN201220232909 U CN 201220232909U CN 202887894 U CN202887894 U CN 202887894U
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- potentiometer
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- knob
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Abstract
The utility model discloses a novel high-accuracy potentiometer with a switch. The potentiometer comprises a housing, a positive-position switch and a negative-position switch, wherein the housing is internally provided with a resistor body, an electric brush and a knob, the knob is connected with the electric brush, and the electric brush contacts the resistor body in a sliding way; and the positive-position switch is connected with the input end and the forward-direction output end of the potentiometer respectively, and the negative-position switch is connected with the input end and the negative-direction output end of the potentiometer respectively. According to the novel high-accuracy potentiometer with the switch provided by the utility model, the positive-position switch is connected with the input end and the forward-direction output end of the potentiometer respectively, and the negative-position switch is connected with the input end and the negative-direction output end of the potentiometer respectively, so that an output voltage or current can be adjusted. Meanwhile, the potentiometer further has the function of the output of a forward/reverse-direction two-way signal, and is provided with a switch along the forward direction and the reverse direction respectively, thus being suitable for a rocker type switch in an industrial telecontrol system, the running of equipment caused by misoperation can be avoided, and the security risk can be reduced.
Description
Technical field
The utility model relates to a kind of potentiometer, relates in particular to a kind of novel high-accuracy potentiometer with switch.
Background technology
Along with the high speed development of electronic technology, electronic equipment and people's work, the relation of life are day by day close, and potentiometer is as the electronic devices and components of regulating electric current and voltage swing, and it is widely used in electronic equipment.The development of industrial control technology be unable to do without absolutely the progress of potentiometer, and for example various rocker-type wireless remote-control systems are regulated the voltage swing of input signal with regard to the precision potentiometer that needs belt switch.Now a lot of potentiometers are integrated in a housing the inside with switch and potentiometer, make the potentiometer of belt switch, and present potentiometer with switch is only with a switch.But in remote control, a lot of equipment need to be realized forward and reverse two-way control by rocking bar, rocking bar is the adjusting that realizes signal by the control potentiometer, and for fail safe, just need the switch of potentiometer when potentiometer rotates to a certain degree, to connect.
The utility model content
The purpose of this utility model is to provide a kind of novel high-accuracy potentiometer with switch, only has the deficiency of a switch and the problem that switch uses limitation to solve existing potentiometer with switch.
To achieve these goals, the technical scheme taked of the utility model is:
A kind of high-accuracy potentiometer of Novel belt switch comprises a casing, and resistive element and brush are installed in the described casing, wherein, a knob, described knob connects described brush, and described brush contacts described resistive element slidably; Also comprise positive bit switch and a negative bit switch, described positive bit switch connects respectively input and the forward output of potentiometer, and described negative bit switch connects respectively input and the negative sense output of described potentiometer; When rotating described knob when crossing 0 forward predetermined angular of described resistive element and rotating, described normotopia switch connection, described negative bit switch disconnection; When rotating described knob when crossing 0 negative sense predetermined angular of described resistive element and rotating, described negative bit switch is connected, and described positive bit switch disconnects.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, described forward predetermined angular is between 0 ° to+15 °, described negative sense predetermined angular is between 0 ° to-15 °.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, described forward predetermined angular is+15 °, described negative sense predetermined angular is-15 °.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, described knob for do around the shaft that axle is pulled outwardly or in move back the push-pull switch of motion.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, described knob is outside equipped with the handle vertical with described rotating shaft with described casing.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, the material of described positive bit switch and described negative bit switch is silver tungsten.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, described resistive element adopts the carbon film body.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, described brush is the hyperphalangeal brush.
The high-accuracy potentiometer of above-mentioned Novel belt switch, wherein, the material of described brush is soft alloy.
The utility model is owing to adopted above-mentioned technology, and the good effect that makes it compared with prior art to have is:
(1) because positive bit switch connects respectively input and the forward output of potentiometer, negative bit switch connects respectively input and the negative sense output of described potentiometer, to realize the regulating action to output voltage or electric current, simultaneously, the function that has again forward and reverse two-way signal output, and forward and reverse all belt switches are particularly suitable for the rocker switch in the industry remote control system, avoid misoperation and cause having reduced security risk by device action.
(2) effectively solve current high-accuracy potentiometer can not bidirectional switch the problem of control, for remote control provides a kind of more practical potentiometer.
Description of drawings
Fig. 1 is the schematic diagram of the high-accuracy potentiometer of Novel belt switch of the present utility model.
Embodiment
Provide the embodiment of the high-accuracy potentiometer of a kind of Novel belt switch of the utility model below in conjunction with accompanying drawing.
Fig. 1 is the schematic diagram of the high-accuracy potentiometer of Novel belt switch of the present utility model, sees also shown in Figure 1.The high-accuracy potentiometer of Novel belt switch of the present utility model includes a casing (not shown), is separately installed with resistive element 10 and brush 11 in this casing.Further, include a knob (not shown), this knob connects brush 11, and so that brush 11 carries out sliding contact with resistive element 10 slidably.Also comprise a positive bit switch 9 and a negative bit switch 8, positive bit switch 9 connects respectively input and the forward output of potentiometer, negative bit switch 8 connects respectively input and the negative sense output of potentiometer, the potentiometer output pin is carried out the change of voltage, electric current with this.
Concrete, centered by 0 of resistive element 10.(1) when turning knob was crossed 0 forward predetermined angular rotation of resistive element 10 certainly, positive bit switch 9 was connected, and bore bit switch 8 and disconnected.(3) when turning knob when crossing 0 of resistive element 10 and rotate to the negative sense predetermined angular, negative bit switch 8 is connected, positive bit switch 9 disconnections.
The utility model also has following execution mode on the basis of the above:
Among the further embodiment of the present utility model, please continue referring to shown in Figure 1.The forward predetermined angular range of knob is between 0 ° to+15 ° of closed interval, and the negative sense predetermined angular range of knob is between 0 ° to-15 ° of closed interval.Concrete, the forward predetermined angular is+15 °, the negative sense predetermined angular is-15 °.
Among the further embodiment of the present utility model, please continue referring to shown in Figure 1.Knob is plug-type switch, knob adopt do around the shaft axial outer draw or in move back the switch of motion.And for convenient, be outside equipped with the handle perpendicular with rotating shaft at knob and casing.
Among the further embodiment of the present utility model, the material of positive bit switch 9 and negative bit switch 8 is silver tungsten, so that the contact reliability of positive bit switch 9 and negative bit switch 8 is good, can arc resistant, and allow by larger electric current.And potentiometer just can start or disconnect by axial push pull maneuver on any position that regulates, thus when reusing, do not need again regulator potentiometer, to useful life of potentiometer prolonging very favourable.Positive bit switch 9 and negative bit switch 8 can make by the effect of spring slide block glide or reset, and the contact lever of switch and two nodes can be switched on or switched off rapidly.
Among the further embodiment of the present utility model, resistive element 10 adopts the carbon film body, and the materials such as the carbon black that process is ground, graphite, quartz are coated on matrix surface and form, so that the resolving power of resistive element 10 is high, resistance to wear is good, the life-span is longer.
Among the further embodiment of the present utility model, the hyperphalangeal brush of brush 11 for adopting soft alloy to make guarantees the reliability of potentiometer and the even distribution of electric current effectively.Concrete soft alloy can be copper alloy.
The utility model is take an actual production as example, and wherein technical indicator has:
Resistive element 10 resistances are 20-5K Ω; The threshold value of knob: forward and reverse 15 °; Allowable deviation: ± 5%; Power: 0.5W.
The utility model also has following occupation mode on the basis of the above:
Please continue referring to shown in Figure 1.The course of work of potentiometer is: the rotational potentiometer knob, when brush 11 was spent less than 15 with respect to 0 anglec of rotation of resistive element 10, positive bit switch 9 and negative bit switch 8 all disconnected, no signal output.When brush 11 was rotated in the forward angle and spends greater than 15 with respect to 0 of resistive element 10, positive bit switch 9 was connected, and this moment, 5 ends led to 7 terminations.When brush 11 was spent greater than 15 with respect to 0 reverse rotation angle of resistive element 10, negative bit switch 8 was connected, and this moment, 6 ends and 7 terminations were logical, thereby realized that forward and reverse signal is by two different pin outputs.
In sum, use the high-accuracy potentiometer of Novel belt switch of the present utility model, because positive bit switch connects respectively input and the forward output of potentiometer, negative bit switch connects respectively input and the negative sense output of described potentiometer, to realize the regulating action to output voltage or electric current, simultaneously, the function that has again forward and reverse two-way signal output, and forward and reverse all belt switches, be particularly suitable for the rocker switch in the industry remote control system, avoid misoperation and cause having reduced security risk by device action.
The above is preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing within spirit of the present utility model and principle, is equal to and replaces and improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1. the high-accuracy potentiometer of a Novel belt switch comprises a casing, and resistive element and brush are installed in the described casing, it is characterized in that, and a knob, described knob connects described brush, and described brush contacts described resistive element slidably; Also comprise positive bit switch and a negative bit switch, described positive bit switch connects respectively input and the forward output of potentiometer, and described negative bit switch connects respectively input and the negative sense output of described potentiometer;
When rotating described knob when crossing 0 forward predetermined angular of described resistive element and rotating, described normotopia switch connection, described negative bit switch disconnection;
When rotating described knob when crossing 0 negative sense predetermined angular of described resistive element and rotating, described negative bit switch is connected, and described positive bit switch disconnects.
2. the high-accuracy potentiometer of described Novel belt switch according to claim 1 is characterized in that described forward predetermined angular is between 0 ° to+15 °, and described negative sense predetermined angular is between 0 ° to-15 °.
3. the high-accuracy potentiometer of described Novel belt switch according to claim 2 is characterized in that described forward predetermined angular is+15 °, and described negative sense predetermined angular is-15 °.
4. the high-accuracy potentiometer of described Novel belt switch according to claim 1 is characterized in that, described knob for do around the shaft that axle is pulled outwardly or in move back the push-pull switch of motion.
5. the high-accuracy potentiometer of described Novel belt switch according to claim 4 is characterized in that described knob is outside equipped with the handle vertical with described rotating shaft with described casing.
6. the high-accuracy potentiometer of described Novel belt switch according to claim 1 is characterized in that the material of described positive bit switch and described negative bit switch is silver tungsten.
7. the high-accuracy potentiometer of described Novel belt switch according to claim 1 is characterized in that, described resistive element adopts the carbon film body.
8. the high-accuracy potentiometer of described Novel belt switch according to claim 1 is characterized in that described brush is the hyperphalangeal brush.
9. the high-accuracy potentiometer of described Novel belt switch according to claim 1 is characterized in that the material of described brush is soft alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232909 CN202887894U (en) | 2012-05-23 | 2012-05-23 | Novel high-accuracy potentiometer with switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232909 CN202887894U (en) | 2012-05-23 | 2012-05-23 | Novel high-accuracy potentiometer with switch |
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| Publication Number | Publication Date |
|---|---|
| CN202887894U true CN202887894U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220232909 Expired - Fee Related CN202887894U (en) | 2012-05-23 | 2012-05-23 | Novel high-accuracy potentiometer with switch |
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| CN (1) | CN202887894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966596A (en) * | 2015-07-13 | 2015-10-07 | 广东欧珀移动通信有限公司 | Potentiometer, calibration method and calibration system of potentiometer as well as volume control device and electronic equipment |
| CN108008625A (en) * | 2017-12-18 | 2018-05-08 | 贵州华阳电工有限公司 | Export the bridge circuit of inverted V-shaped law curve |
-
2012
- 2012-05-23 CN CN 201220232909 patent/CN202887894U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966596A (en) * | 2015-07-13 | 2015-10-07 | 广东欧珀移动通信有限公司 | Potentiometer, calibration method and calibration system of potentiometer as well as volume control device and electronic equipment |
| CN104966596B (en) * | 2015-07-13 | 2017-09-22 | 广东欧珀移动通信有限公司 | Potentiometer and its calibration method, system and sound volume control device, electronic equipment |
| CN108008625A (en) * | 2017-12-18 | 2018-05-08 | 贵州华阳电工有限公司 | Export the bridge circuit of inverted V-shaped law curve |
| CN108008625B (en) * | 2017-12-18 | 2021-01-22 | 贵州华阳电工有限公司 | Bridge circuit for outputting inverted V-shaped regular curve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20130523 |