CN2499872Y - Not-easy hand-drop operation controller - Google Patents
Not-easy hand-drop operation controller Download PDFInfo
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- CN2499872Y CN2499872Y CN 01262163 CN01262163U CN2499872Y CN 2499872 Y CN2499872 Y CN 2499872Y CN 01262163 CN01262163 CN 01262163 CN 01262163 U CN01262163 U CN 01262163U CN 2499872 Y CN2499872 Y CN 2499872Y
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- digital regulation
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- regulation resistance
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Abstract
The utility model relates to a nonvolatile hand controller, which comprises a square wave generating circuit, and a manual and automatic control signal switch circuit, and the signal output value of the circuit can be adjusted by a nonvolatile digital potentiometer IC2 provided with corresponding digital potentiometer adjusting and control circuit. By adopting the nonvolatile digital potentiometer, the reasonable output in the operation control is prevented from losing, and the digital potentiometer has accurate stepping, good linearity, and is free from the influence of contamination and vibration, thereby ensuring the accuracy and reliability of the utility model. The key switches of the utility model are all touch keys, which have convenient operation, long service life and high safety and reliability.
Description
Technical field
The utility model relates to the control device that can be applicable to industrial automation control system, is specially and self can sends manual control signal, can realize simultaneously that manual control signal and automatic control signal switch and the control device of conversion, promptly non-volatile operator hand controller.
Background technology
No matter how high its automaticity is for the commercial production control system, all be unable to do without operator hand controller, can realize the preceding remote manual control operation of operation automatically of control system input by operator hand controller, can continue manually to control production run by operator hand controller during the system failure, when normally overhauling, system also needs operator hand controller, therefore, operator hand controller is the important sub controlling unit of commercial production control system.The potentiometer that existing operator hand controller comprises signal generator (as square-wave generator), adjust signal value output, realize that hand controls the signal switching circuit of system signal and automatic control signal switching, what have also directly comprises V/I (voltage/current) signaling conversion circuit for conveniently using---and the signal (this signal is normally provided by industrial control computer) that the commercial production control system is sent is the d. c. voltage signal of 1-5 volt, needs this d. c. voltage signal is converted to the DC current standard control signal of 4---20 milliampere.The output valve adjustment of existing operator hand controller is to realize by the slipper position that changes multiturn potentiometer, this class hand behaviour multiturn potentiometer is the mechanical type potentiometer, not only vulnerable to pollution and oxidation, and careless slightlyly in operating process just may make it that physical damage takes place, be not easy to use and operate, the more important thing is that its regulating and controlling precision is low, can't reach required control accuracy sometimes, perhaps make the control signal distortion.
Summary of the invention
The utility model provides a kind of operator hand controller that uses digital regulation resistance at the problem that mechanical type potentiometer in the existing operator hand controller exists, thereby solves the existing problem that operator hand controller is fragile, control accuracy is low.
The utility model is to adopt following technical scheme to realize: non-volatile operator hand controller, comprise square wave generation circuit, non-volatile digital regulation resistance IC2 is adopted in the adjustment of the utility model signal value output, digital regulation resistance is adjusted control circuit for respectively by increase button INC, relay 3J and reduce button DEC, two branch roads that relay 4J serial connection forms constitute, wherein, relay 3J, the normally opened contact 3J1-1 of 4J, be serially connected with after the 4J1-1 parallel connection between the input end 1 of the output terminal of square wave generation circuit and digital regulation resistance IC2, relay 3J, the normally opened contact 3J2-1 of 4J, be serially connected with the sheet choosing end 7 of digital regulation resistance IC2 after the 4J2-1 parallel connection, the normally opened contact 4J3-1 of relay 4J is connected in series the trigger circuit of back as digital regulation resistance IC2 with resistance R 27.Digital regulation resistance of the present utility model is selected X9C102 for use, also can select other model for use, as X9C103, X9C104, X9C503, the digital regulation resistance that model is different, the function of its each line end may be omited different to some extent, thereby the variation that brings foregoing circuit to connect, but the variation that this circuit that is caused because of selected circuit component model difference connects, those of ordinary skills are not difficult to finish, so, under the situation that does not exceed the utility model claim scope, select the digital regulation resistance of different model for use, different circuit structure modification can be arranged easily.
Just comprise manually and the automatic signal commutation circuit in the existing operator hand controller, the utility model can be continued to use the signal switching circuit in the existing operator hand controller, also can adopt the signal switching circuit of other structure.The signal switching circuit that the utility model provides is by two branch roads that formed by normally closed contact 2J1-2, the manual ringing button Hand of relay 2J, automatic signal button Auto and relay 1J, relay 2J serial connection respectively, wherein, the normally opened contact 1J1-1 of relay 1J is parallel to manual ringing button Hand two ends, signal output part 5 and hand behaviour that the normally opened contact 1J2-1 of relay 1J is coupled to digital regulation resistance easily lose between the lead-out terminal of controller, and the normally closed contact 1J2-2 of relay 1J is coupled to the automatic signal input terminal and hand behaviour easily loses between the lead-out terminal of controller.
Square wave generation circuit of the present utility model belongs to conventional known circuits, under the identical situation of function multiple different constructional variant can be arranged easily, and the utility model has partly provided a kind of particular circuit configurations of this circuit in embodiment.
Owing to adopt Nonvolatile digital potentiometer, the reasonable output in the operation control can not lost, and the digital regulation resistance stepping is accurate, the linearity good, not contaminated and vibration effect, has guaranteed accuracy of the present utility model and reliability.Keyswitch of the present utility model all adopts membrane keyboard, and is easy to operate, and long service life is safe and reliable.
Description of drawings
Fig. 1 is case panel figure of the present utility model;
Fig. 2 is back side of shell figure;
Fig. 3 is a circuit structure schematic diagram of the present utility model;
Fig. 4 is the schematic diagram of V/I signaling conversion circuit;
Embodiment
Non-volatile operator hand controller, comprise square wave generation circuit, manually and the automatic control signal commutation circuit, non-volatile digital regulation resistance IC2 is adopted in the adjustment of the utility model signal value output, the model of selecting for use is X9C102, digital regulation resistance is adjusted control circuit for respectively by increase button INC, relay 3J and reduce button DEC, two branch roads that relay 4J serial connection forms, wherein, relay 3J, the normally opened contact 3J1-1 of 4J, be serially connected with after the 4J1-1 parallel connection between the input end 1 of the output terminal of square wave generation circuit and digital regulation resistance IC2, relay 3J, the normally opened contact 3J2-1 of 4J, be serially connected with the sheet choosing end 7 of digital regulation resistance IC2 after the 4J2-1 parallel connection, the normally opened contact 4J3-1 of relay 4J is connected in series the trigger circuit of back as digital regulation resistance IC2 with resistance R 27.Two branch roads of signal switching circuit for forming by normally closed contact 2J1-2, the manual ringing button Hand of relay 2J, automatic signal button Auto and relay 1J, relay 2J serial connection respectively, wherein, the normally opened contact 1J1-1 of relay 1J is parallel to manual ringing button Hand two ends, signal output part 5 and hand behaviour that the normally opened contact 1J2-1 of relay 1J is coupled to digital regulation resistance easily lose between the lead-out terminal X of controller, and the normally closed contact 1J2-2 of relay 1J is coupled to automatic control signal input terminal Y and hand behaviour easily loses between the lead-out terminal X of controller.Square wave generation circuit of the present utility model is made of NE555 clock chip IC1, resistance R 21, R22, capacitor C 21.The utility model be provided with also respectively that normally closed contact 1J3-2, light emitting diode L2, resistance R 25 by normally opened contact 1J3-1, light emitting diode L1, resistance R 24 and the relay 1J of relay 1J be in series manually, automatic signal work display circuit.
The utility model uses for convenient, also can directly V/I (voltage/current) signaling conversion circuit be included in this controller, output signal output again after the V/I signaling conversion circuit is handled with above-mentioned controller, like this, can avoid behind this controller, establishing again the V/I signaling conversion circuit, directly that both are integrated, the D.C. regulated power supply of essential configuration when industrial computer (automatic control signal is provided) also can not need to dispose D/A plate output 4---20 milliampere direct current.The V/I signaling conversion circuit belongs to conventional known circuits, under the identical situation of function multiple different constructional variant can be arranged easily, and the utility model has provided a kind of particular circuit configurations of this circuit in Fig. 4.
Automatic control signal is introduced controller through the automatic signal input terminal Y of operator hand controller (1,2 terminals of back side of shell connection terminal) during work.Square wave generation circuit is exported positive square wave, send into 1 pin of non-volatile digital regulation resistance, pressing increases key INC, relay 3J is charged, at this moment contact 3J1-1 closure, 2 pin of digital regulation resistance IC2 are high level, simultaneously contact 3J2-1 closure, digital regulation resistance IC2 sheet choosing end 7 pin are low level, output signal value increases, and presses when reducing key DEC, and relay 4J is charged, contact 4J1-1 closure, while contact 4J3-1 closure, 2 pin of digital regulation resistance IC2 are introduced electronegative potential, contact 4J2-1 closure, sheet choosing end 7 pin are low level, and output signal value reduces.Manually during operating mode, relay 1J is charged, contact 1J2-1 closure, the manual control signal that square wave generation circuit produces exports controlled load by 5 pin of digital regulation resistance IC2 to through contact 1J2-1 and lead-out terminal X (being 9,10 ends of back side of shell connection terminal), simultaneously, contact 1J3-1 closure, diode L1 conducting is luminous, show the manual work state, thereby realize manually control; When pressing automatic key Auto, relay 2J is charged, normally closed contact 2J1-2 disconnects, relay 1J outage, and its normally opened contact 1J2-1 disconnects, normally closed contact 1J2-2 closure, automatic control signal is exported through contact 1J2-2, simultaneously, and normally closed contact 1J3-2 closure, diode L2 conducting is luminous, shows automatic mode.
Claims (7)
1, a kind of non-volatile operator hand controller, comprise square wave generation circuit, manually and the automatic control signal commutation circuit, it is characterized by: non-volatile digital regulation resistance IC2 is adopted in the signal value output adjustment, digital regulation resistance is adjusted control circuit for respectively by increase button INC, relay 3J and reduce button DEC, two branch roads that relay 4J serial connection forms, wherein, relay 3J, the normally opened contact 3J1-1 of 4J, be serially connected with after the 4J1-1 parallel connection between the input end 1 of the output terminal of square wave generation circuit and digital regulation resistance IC2, relay 3J, the normally opened contact 3J2-1 of 4J, be serially connected with the sheet choosing end 7 of digital regulation resistance IC2 after the 4J2-1 parallel connection, the normally opened contact 4J3-1 of relay 4J is connected in series the trigger circuit of back as digital regulation resistance IC2 with resistance R 27.
2, non-volatile operator hand controller as claimed in claim 1, it is characterized by: signal switching circuit is for respectively by relay 2J, automatic signal button Auto and relay 1J, the normally closed contact 2J1-2 of relay 2J, two branch roads that manual ringing button Hand serial connection forms, wherein, the normally opened contact 1J1-1 of relay 1J is parallel to manual ringing button Hand two ends, signal output part 5 and hand behaviour that the normally opened contact 1J2-1 of relay 1J is coupled to digital regulation resistance easily lose between the lead-out terminal X of controller, and the normally closed contact 1J2-2 of relay 1J is coupled to automatic signal input terminal Y and hand behaviour easily loses between the lead-out terminal X of controller.
3, as claim 1,2 described non-volatile operator hand controllers, it is characterized by: be provided with also respectively that normally closed contact 1J3-2, light emitting diode L2, resistance R 25 by normally opened contact 1J3-1, light emitting diode L1, resistance R 24 and the relay 1J of relay 1J be in series manually, automatic signal work display circuit.
4, as claim 1,2 described non-volatile operator hand controllers, it is characterized by: the model that non-volatile digital regulation resistance is selected for use is X9C102.
5, as claim 1,2 described non-volatile operator hand controllers, it is characterized by: the model that non-volatile digital regulation resistance is selected for use is X9C103.
6, as claim 1,2 described non-volatile operator hand controllers, it is characterized by: the model that non-volatile digital regulation resistance is selected for use is X9C104.
7, as claim 1,2 described non-volatile operator hand controllers, it is characterized by: the model that non-volatile digital regulation resistance is selected for use is X9C503.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262163 CN2499872Y (en) | 2001-10-12 | 2001-10-12 | Not-easy hand-drop operation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01262163 CN2499872Y (en) | 2001-10-12 | 2001-10-12 | Not-easy hand-drop operation controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2499872Y true CN2499872Y (en) | 2002-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01262163 Expired - Fee Related CN2499872Y (en) | 2001-10-12 | 2001-10-12 | Not-easy hand-drop operation controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2499872Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101617563B (en) * | 2007-01-22 | 2012-07-11 | 松下电器产业株式会社 | Cooking device |
-
2001
- 2001-10-12 CN CN 01262163 patent/CN2499872Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101617563B (en) * | 2007-01-22 | 2012-07-11 | 松下电器产业株式会社 | Cooking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |