CN203491031U - Electric potentiometer - Google Patents
Electric potentiometer Download PDFInfo
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- CN203491031U CN203491031U CN201320614692.XU CN201320614692U CN203491031U CN 203491031 U CN203491031 U CN 203491031U CN 201320614692 U CN201320614692 U CN 201320614692U CN 203491031 U CN203491031 U CN 203491031U
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- resistance
- relay
- pin
- motor
- drive circuit
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Abstract
The utility model relates to an electric potentiometer which solves the problems that an automatic adjustment control part of a common potentiometer has a complicated structure and is non-modular without protection and adjustment functions. The electric potentiometer comprises a potentiometer with a sliding foot, an electromotor, an electromotor drive circuit, a switch module and a control interface, wherein the electromotor is in linkage connection with the sliding foot of the potentiometer; the switch module is composed of multiple relays; the relay comprises a coil part and a contact part; the coil part of the relay is connected to a control interface; and the contact parts of the relays form a switch changeover circuit connected between the two ends of the electromotor and the electromotor drive circuit. The electric potentiometer provided by the utility model has the advantages that automatic adjustment control on the potentiometer is realized by use of an electromotor, the control is more accurate, the circuit structure is simple, and the cost is low; the electric potentiometer is modularized and connected with the required circuit through a control port; and the electric potentiometer has the functions of protection, current limiting and adjustment.
Description
Technical field
The utility model relates to a kind of potentiometer, relates in particular to a kind of simple in structure, working stability, motor-driven electro kinetic potential device.
Background technology
aspect auto-adjustment control or manually or complicated structure, cost is higher, is not easy to use for some potentiometers in the past, and potentiometer and place circuit production all-in-one-piece are non-removable mostly, and non-modularization, can not use on other circuit, resource is not fully utilized.And these potentiometers do not have the protection and limitation function of electric current and voltage reverse side, potentiometer easily damages the work of the whole circuit of impact in use.
Summary of the invention
The utility model has mainly solved the problem of general potentiometer auto-adjustment control part-structure complicated and non-modularization, unprotect and regulatory function, a kind of simple in structure, working stability is provided, has had the defencive function of adjusting, motor-driven electro kinetic potential device.
The utility model solves the technical scheme that its technical problem adopts: a kind of electro kinetic potential device, comprise potentiometer, potentiometer has slip pin, also include motor, motor drive circuit, handover module and control interface, described motor is connected with the interlock of potentiometer slip pin, described handover module consists of some relays, relay pack is drawn together coiler part and contact part, the coiler part of relay is connected on control interface, and the contact part of relay forms switch switching circuit and is connected between motor two ends and motor driven.In the utility model, motor and slip pin are connected, motor power output drives slip pin to move, this motor can carry out rotating, the pin that makes to slide can horizontally slip, motor forward/backward rotation is controlled by handover module, the switch switching circuit that handover module consists of relay is controlled motor and is just being connect and reversal connection, this control port is signaling interface and the power interface of electro kinetic potential device, control port is connected on the control mainboard of other system, control relay work after control port receives signal, thereby control this switch switching circuit operating state.The utility model has been realized potentiometer has been adjusted to control automatically, controls more accurately, and circuit structure is simple, and cost is low.
As a kind of preferred version, described handover module comprises four relays, be respectively the first relay, the second relay, the 3rd relay, the 4th relay, the coiler part J1A of the first relay is mutually arranged side by side with the coiler part J3A of the 3rd relay, circuit one termination power after parallel connection, the other end is connected to control port after connecting the first contact part J2B of the second relay, the coiler part J2A of the second relay is mutually arranged side by side with the coiler part J4A of the 4th relay, circuit one termination power after parallel connection, the other end is connected to control port after connecting the first contact part J1B of the first relay, described motor comprises input M1 and output M2, motor drive circuit comprises the first output OUT1 and the second output OUT2, the 3rd relay also has the first contact part J3B and the second contact part J3C of two single-pole double throws, the moving contact of the 3rd relay the first contact part J3B is connected to motor input terminals M1, a fixed contact of the 3rd relay the first contact part J3B is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the moving contact of the 3rd relay the second contact part J3C is connected to motor input terminals M1, a fixed contact of the 3rd relay the second contact part J3C is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the 4th relay also has the first contact part J4B and the second contact part J4C of two single-pole double throws, the moving contact of the 4th relay the first contact part J4B is connected to motor output end M2, a fixed contact of the 4th relay the first contact part J4B is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the moving contact of the 4th relay the second contact part J4C is connected to motor output end M2, a fixed contact of the 4th relay the second contact part J4C is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2.By controlling the coiler part break-make of four relays, control four relay work, the contact part of the 3rd relay and the 4th relay has formed switching switch circuit, by controlling their break-make, make motor just be connected on drive circuit or reversal connection is direct at drive circuit, realize motor forward/backward rotation.
As a kind of preferred version, on motor, be also parallel with rotating indicator light circuit, rotating indicator light circuit comprises two indicator light LED1 and LED2, indicator light LED1 is in parallel with indicator light LED2, indicator light LED1 is anodal to be connected with the negative pole of indicator light LED2, indicator light LED1 negative pole is connected with indicator light LED2 is anodal, and indicator light LED2 positive pole is connected to motor input terminals M1 after connecting a resistance, the anodal motor output end M2 that connects of LED1.This rotating indicator light circuit is used to indicate motor steering state.
As a kind of preferred version, also include regulating circuit, regulating circuit comprises Regulation Control chip, resistance R 2, swept resistance W1, resistance R 7, the first amplifier, diode D1, diode D2, resistance R 1, capacitor C 1, capacitor C 2, inductance L 1, this Regulation Control chip adopts LM2576-ADJ, has 5 each pin and is respectively IN pin, OUT pin, FB pin, GND pin, ON/OFF pin, resistance R 2, swept resistance W1, resistance R 7 is connected successively, resistance R 2 other ends connect motor drive circuit the first output OUT1, resistance R 7 other end ground connection, the first amplifier normal phase input end is connected between resistance R 2 and swept resistance W1 connection, the first amplifier inverting input is connected to amplifier out, the first amplifier out forward is connected to FB pin after connecting diode D2, capacitor C 2 is connected between the first output OUT1 and ground end, inductance L 1 one end connects the first output OUT1, the other end is connected to OUT pin, diode D1 plus earth, negative pole is connected to OUT pin, ground connection after ON/OFF pin is connected with GND pin, IN pin connects 24V power supply, and IN pin is by connecting the rear ground connection of capacitor C 1.Regulating circuit is used for adjusting the motor working power of electro kinetic potential device, thereby adjusts its rotating speed.The signal of telecommunication is entered by first input end OUT1, after resistance R 2, the first amplifier, diode D2, enters Regulation Control chip, has the output of OUT pin after Regulation Control chip is processed, and through inductance L 1, feeds back to first input end OUT1.
As a kind of preferred version, also include current-limiting circuit, current-limiting circuit comprises resistance R 3, resistance R 5, resistance R 6, resistance R 4, swept resistance W2, the second amplifier, capacitor C 3, capacitor C 4, diode D3, resistance R 5 is connected between motor drive circuit the second output OUT2 and ground end, resistance R 3 one end connect the second output OUT2, the other end is connected to the second amplifier normal phase input end, second amplifier negative-phase input contact resistance R6 one end, resistance R 6 other end ground connection, the second amplifier out connects swept resistance W2 one end, swept resistance W2 other end ground connection, diode D3 is anodal to be connected with swept resistance W2 slip pin, capacitor C 3 is connected between the second amplifier normal phase input end and ground end, resistance R 6 is connected between the second amplifier inverting input and ground end, resistance R 4 is connected between the second amplifier inverting input and output, capacitor C 4 is connected in parallel in resistance R 4.Current-limiting circuit is controlled the electric current that flows through motor when motor stall, controls electric current in the permissible range of motor.
The utility model has the advantages that: adopt motor to realize potentiometer is adjusted to control automatically; control more accurate; circuit structure is simple; cost is low; by electro kinetic potential device modularization; by control port, electro kinetic potential device can be connected on the circuit needing, there is protection, current limliting, regulatory function.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of potentiometer part in the utility model;
Fig. 2 is the structural representation of conversion switch circuit in the utility model;
Fig. 3 is the electrical block diagram of the utility model repeat circuit coiler part;
Fig. 4 is the electrical block diagram of control interface part in the utility model;
Fig. 5 is the electrical block diagram of regulating circuit in the utility model;
Fig. 6 is the electrical block diagram of current-limiting circuit in the utility model.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described.
Embodiment:
A kind of electro kinetic potential device of the present embodiment, as shown in Figure 1, comprise potentiometer, potentiometer has slip pin, also include motor, motor drive circuit, handover module and control interface, motor is connected with the interlock of potentiometer slip pin, and motor has input M1 and output M2, and motor drive circuit comprises the first output OUT1 and the second output OUT2.Handover module consists of 4 relays, be respectively the first relay, the second relay, the 3rd relay, the 4th relay, relay all comprises coiler part and contact part, the coiler part of these relays is connected on control interface, and the contact part of these relays forms switch switching circuit and is connected between motor two ends and motor drive circuit.
As shown in Figure 4, control interface includes 12 contacts, the first relay has the second contact part J1C, the second relay has the second contact part J2C, the moving contact of this first contact part J1C is connected on DOUT2 contact, a fixed contact sky of J1C connects, and another break is connected on DOUT1 contact.The moving contact of the second contact part J2C is connected on UOUT2 contact, and a fixed contact sky of J2C connects, and another break is connected on UOUT1 contact.In Fig. 5, also comprise a speed-regulating potentiometer DW1, speed-regulating potentiometer two ends are connected on W1 and W3 contact, and slip pin is connected on W2 contact.
As shown in Figure 3, the coiler part J1A of the first relay is mutually arranged side by side with the coiler part J3A of the 3rd relay, circuit one termination power after parallel connection, the other end is connected to control port after connecting the first contact part J2B of the second relay, the coiler part J2A of the second relay is mutually arranged side by side with the coiler part J4A of the 4th relay, circuit one termination power after parallel connection, the other end is connected to control port after connecting the first contact part J1B of the first relay.
As shown in Figure 2, this switching switch circuit is: the moving contact of the 3rd relay the first contact part J3B is connected to motor input terminals M1, a fixed contact of the 3rd relay the first contact part J3B is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the moving contact of the 3rd relay the second contact part J3C is connected to motor input terminals M1, a fixed contact of the 3rd relay the second contact part J3C is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the moving contact of the 4th relay the first contact part J4B is connected to motor output end M2, a fixed contact of the 4th relay the first contact part J4B is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the moving contact of the 4th relay the second contact part J4C is connected to motor output end M2, a fixed contact of the 4th relay the second contact part J4C is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2.
Electro kinetic potential device also includes regulating circuit, and as shown in Figure 5, regulating circuit comprises Regulation Control chip, resistance R 2, swept resistance W1, resistance R 7, the first amplifier, diode D1, diode D2, resistance R 1, capacitor C 1, capacitor C 2, inductance L 1, this Regulation Control chip adopts LM2576-ADJ, has 5 each pin and is respectively IN pin, OUT pin, FB pin, GND pin, ON/OFF pin, resistance R 2, swept resistance W1, resistance R 7 is connected successively, resistance R 2 other ends connect motor drive circuit the first output OUT1, resistance R 7 other end ground connection, the first amplifier normal phase input end is connected between resistance R 2 and swept resistance W1 connection, the first amplifier inverting input is connected to amplifier out, the first amplifier out forward is connected to FB pin after connecting diode D2, capacitor C 2 is connected between the first output OUT1 and ground end, inductance L 1 one end connects the first output OUT1, the other end is connected to OUT pin, diode D1 plus earth, negative pole is connected to OUT pin, ground connection after ON/OFF pin is connected with GND pin, IN pin connects 24V power supply, and IN pin is by connecting the rear ground connection of capacitor C 1.
Electro kinetic potential device also includes current-limiting circuit, as shown in Figure 6, current-limiting circuit comprises resistance R 3, resistance R 5, resistance R 6, resistance R 4, swept resistance W2, the second amplifier, capacitor C 3, capacitor C 4, diode D3, resistance R 5 is connected between motor drive circuit the second output OUT2 and ground end, resistance R 3 one end connect the second output OUT2, the other end is connected to the second amplifier normal phase input end, second amplifier negative-phase input contact resistance R6 one end, resistance R 6 other end ground connection, the second amplifier out connects swept resistance W2 one end, swept resistance W2 other end ground connection, diode D3 is anodal to be connected with swept resistance W2 slip pin, capacitor C 3 is connected between the second amplifier normal phase input end and ground end, resistance R 6 is connected between the second amplifier inverting input and ground end, resistance R 4 is connected between the second amplifier inverting input and output, capacitor C 4 is connected in parallel in resistance R 4.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (5)
1. an electro kinetic potential device, comprise potentiometer, potentiometer has slip pin, it is characterized in that: also include motor, motor drive circuit, handover module and control interface, described motor is connected with the interlock of potentiometer slip pin, described handover module consists of some relays, relay pack is drawn together coiler part and contact part, the coiler part of relay is connected on control interface, and the contact part of relay forms switch switching circuit and is connected between motor two ends and motor drive circuit.
2. a kind of electro kinetic potential device according to claim 1, it is characterized in that described handover module comprises four relays, be respectively the first relay, the second relay, the 3rd relay, the 4th relay, the coiler part J1A of the first relay is mutually arranged side by side with the coiler part J3A of the 3rd relay, circuit one termination power after parallel connection, the other end is connected to control port after connecting the first contact part J2B of the second relay, the coiler part J2A of the second relay is mutually arranged side by side with the coiler part J4A of the 4th relay, circuit one termination power after parallel connection, the other end is connected to control port after connecting the first contact part J1B of the first relay, described motor comprises input M1 and output M2, motor drive circuit comprises the first output OUT1 and the second output OUT2, the 3rd relay also has the first contact part J3B and the second contact part J3C of two single-pole double throws, the moving contact of the 3rd relay the first contact part J3B is connected to motor input terminals M1, a fixed contact of the 3rd relay the first contact part J3B is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the moving contact of the 3rd relay the second contact part J3C is connected to motor input terminals M1, a fixed contact of the 3rd relay the second contact part J3C is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the 4th relay also has the first contact part J4B and the second contact part J4C of two single-pole double throws, the moving contact of the 4th relay the first contact part J4B is connected to motor output end M2, a fixed contact of the 4th relay the first contact part J4B is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2, the moving contact of the 4th relay the second contact part J4C is connected to motor output end M2, a fixed contact of the 4th relay the second contact part J4C is connected to motor drive circuit the first output OUT1, another fixed contact is connected to motor drive circuit the second output OUT2.
3. a kind of electro kinetic potential device according to claim 1 and 2, it is characterized in that being also parallel with rotating indicator light circuit on motor, rotating indicator light circuit comprises two indicator light LED1 and LED2, indicator light LED1 is in parallel with indicator light LED2, indicator light LED1 is anodal to be connected with the negative pole of indicator light LED2, indicator light LED1 negative pole is connected with indicator light LED2 is anodal, indicator light LED2 positive pole is connected to motor input terminals M1 after connecting a resistance, the anodal motor output end M2 that connects of LED1.
4. a kind of electro kinetic potential device according to claim 2, is characterized in that also including regulating circuit, and regulating circuit comprises Regulation Control chip, resistance R 2, swept resistance W1, resistance R 7, the first amplifier, diode D1, diode D2, resistance R 1, capacitor C 1, capacitor C 2, inductance L 1, this Regulation Control chip adopts LM2576-ADJ, has 5 each pin and is respectively IN pin, OUT pin, FB pin, GND pin, ON/OFF pin, resistance R 2, swept resistance W1, resistance R 7 is connected successively, resistance R 2 other ends connect motor drive circuit the first output OUT1, resistance R 7 other end ground connection, the first amplifier normal phase input end is connected between resistance R 2 and swept resistance W1 connection, the first amplifier inverting input is connected to amplifier out, the first amplifier out forward is connected to FB pin after connecting diode D2, capacitor C 2 is connected between the first output OUT1 and ground end, inductance L 1 one end connects the first output OUT1, the other end is connected to OUT pin, diode D1 plus earth, negative pole is connected to OUT pin, ground connection after ON/OFF pin is connected with GND pin, IN pin connects 24V power supply, and IN pin is by connecting the rear ground connection of capacitor C 1.
5. a kind of electro kinetic potential device according to claim 2, it is characterized in that also including current-limiting circuit, current-limiting circuit comprises resistance R 3, resistance R 5, resistance R 6, resistance R 4, swept resistance W2, the second amplifier, capacitor C 3, capacitor C 4, diode D3, resistance R 5 is connected between motor drive circuit the second output OUT2 and ground end, resistance R 3 one end connect the second output OUT2, the other end is connected to the second amplifier normal phase input end, second amplifier negative-phase input contact resistance R6 one end, resistance R 6 other end ground connection, the second amplifier out connects swept resistance W2 one end, swept resistance W2 other end ground connection, diode D3 is anodal to be connected with swept resistance W2 slip pin, capacitor C 3 is connected between the second amplifier normal phase input end and ground end, resistance R 6 is connected between the second amplifier inverting input and ground end, resistance R 4 is connected between the second amplifier inverting input and output, capacitor C 4 is connected in parallel in resistance R 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614692.XU CN203491031U (en) | 2013-09-30 | 2013-09-30 | Electric potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614692.XU CN203491031U (en) | 2013-09-30 | 2013-09-30 | Electric potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491031U true CN203491031U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320614692.XU Expired - Fee Related CN203491031U (en) | 2013-09-30 | 2013-09-30 | Electric potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491031U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655071A (en) * | 2016-04-06 | 2016-06-08 | 王星竹 | Automatically controlled slide rheostat for experiments in high school |
| CN112462743A (en) * | 2020-11-30 | 2021-03-09 | 贵州航天风华实业有限公司 | Intelligent distribution box controller test system |
| CN114974769A (en) * | 2022-05-18 | 2022-08-30 | 北京石油化工学院 | Definite value digital potentiometer |
-
2013
- 2013-09-30 CN CN201320614692.XU patent/CN203491031U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655071A (en) * | 2016-04-06 | 2016-06-08 | 王星竹 | Automatically controlled slide rheostat for experiments in high school |
| CN112462743A (en) * | 2020-11-30 | 2021-03-09 | 贵州航天风华实业有限公司 | Intelligent distribution box controller test system |
| CN114974769A (en) * | 2022-05-18 | 2022-08-30 | 北京石油化工学院 | Definite value digital potentiometer |
| CN114974769B (en) * | 2022-05-18 | 2023-09-19 | 北京石油化工学院 | Fixed value digital potentiometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20170930 |