CN202512147U - Step signal source - Google Patents
Step signal source Download PDFInfo
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- CN202512147U CN202512147U CN2012200513507U CN201220051350U CN202512147U CN 202512147 U CN202512147 U CN 202512147U CN 2012200513507 U CN2012200513507 U CN 2012200513507U CN 201220051350 U CN201220051350 U CN 201220051350U CN 202512147 U CN202512147 U CN 202512147U
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- timer
- resistance network
- precision resistance
- step signal
- precision
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Abstract
The utility model relates to a step signal source, which is characterized in that the step signal source comprises a DC power supply unit, a timer, a precision resistance network, a button switch unit, a display instrument unit and a signal terminal, wherein the display instrument unit includes a digital display meter and a voltmeter, the voltmeter, the timer, the precision resistance network are connected with the DC power supply unit, and the button switch unit is respectively connected with the timer and the precision resistance network, moreover, the digital display meter and the signal terminal are connected with the precision resistance network. According to the step signal source, the structure is simple, the operation is convenient, step signals and analog signals can be output by the step signal source, the output signals are positive/negative selectable, the magnitude of the output signals can be adjusted continuously, the application duration of the signals can be manually and automatically timed, the signals can be displayed in two ways, the operation is convenient and direct, the signal step amplitude is not influenced by fluctuations of a power supply voltage, the precision is high, and the step signal source is suitable to be used as a standard signal source for instrument and automation industry.
Description
Technical field
The utility model relates to a kind of step signal source, is exactly the standard device that the worker of enterprise of industries such as robotization, Computer Control Technology, instrument and school student are carried out verification, safeguard, put into operation and adjust correlate meter and system specifically.
Background technology
At present; In technical fields such as robotization, Computer Control Technology, instrument relevant enterprise, school and scientific research institutions, in maintenance of being correlated with and research (for example, controller parameter verification, control system parameter tuning etc.); What use all is the integrated signal instrument; This kind instrument price is high, and operation is also convenient inadequately, does not also have special step signal source.
The utility model content
For solving the deficiency of prior art; The purpose of the utility model is to provide that a kind of step amplitude is adjustable arbitrarily, step amplitude numeral shows, can positive and negative saltus step signal generator, have simple to operate, the step signal source of characteristics such as outputting multiplex signals, easy-to-connect simultaneously.
For achieving the above object, the utility model is to realize through following technical scheme:
The step signal source is characterized in that, comprises DC power source unit, timer, precision resistance network, pushbutton switch unit, Displaying Meter unit and signal terminal; Wherein, Described Displaying Meter unit comprises digital display meter and voltage table, and described voltage table, timer, precision resistance network all are connected with DC power source unit, and described pushbutton switch unit then is connected with the precision resistance network with timer respectively; In addition, described digital display meter all is connected with the precision resistance network with signal terminal.
Described DC power source unit comprises power switch, transformer, rectifier, voltage stabilizer and the electric power source distribution device that is linked in sequence, and DC power source unit provides the electric current of positive and negative 24V and 5V.
Described precision resistance network comprises two precision resistors and a plurality of precision resistance.
Described pushbutton switch unit comprises SR, pause button and timing button; Wherein, The timing button is compound locking press button, and it is connected with timer, precision resistance network, and pause button and SR are that automatically reset multidigit is often driven button; Pause button is connected with timer, precision resistance network, and SR then is connected with timer.
In addition, described signal terminal comprises a plurality of output connection interfaces and feedback input signal interface.
Described voltage table and digital display meter are four precision digital voltage tables.
Described timer is four bit timers then, functions such as having timing, suspend and reset.
The beneficial effect of the utility model is:
1, simple in structure, cost is low, easy to operate;
2, can positive and negative saltus step, and hopping amplitude is adjustable arbitrarily;
3, the signal hopping amplitude is not influenced by mains fluctuations, and precision is high;
4, hopping amplitude numeral demonstration automatically;
When 5, providing signal, self-clocking, accuracy of timekeeping is 1% second;
6, can be manually and stop timing automatically, in the time of automatically, when being output as set-point by the school instrument, timer stops timing automatically, and the cumulative time is presented on the timer;
7, export the multichannel step signal simultaneously;
8, can also be as the general analogue signal generator, output 0-± 5V and 0-± 24V DC voltage;
9, two kinds of scales are arranged on the Displaying Meter, one is voltage calibration, and another is the number percent scale, can select according to the convenience of using and directly perceived and custom, and as to the controller parameter verification time, the hopping amplitude of signal can directly be read from table.
10, output has two kinds of modes of connection: wiring pillar and plug-in type.
Description of drawings
Fig. 1 is the system block diagram of the utility model one embodiment;
Fig. 2 is the system diagram of the described DC power source unit of the utility model;
Fig. 3 is the structural representation of the described signal source panel of the utility model.
The main mark implication is following in the accompanying drawing:
1, power supply selective switchgear 2, output connection interface 3, power switch
4, precision resistor 5, timing button 6, pause button
7, SR 8, voltage table 9, timer
10, digital display meter 11, signal source panel 12, feedback input signal interface.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done concrete introduction.
Fig. 1 is the system block diagram of the utility model one embodiment.
As shown in Figure 1: the step signal source; Comprise DC power source unit, timer 9, precision resistance network, pushbutton switch unit, Displaying Meter unit and signal terminal, wherein, described Displaying Meter unit comprises digital display meter 10 and voltage table 8; Supply voltage shows through voltage table 8; Described voltage table 8, timer 9, precision resistance network all are connected with DC power source unit, and DC power source unit is that described voltage table 8, timer 9, precision resistance network provide power supply, and described pushbutton switch unit then is connected with the precision resistance network with timer 9 respectively; In addition, described digital display meter 10 all is connected with the precision resistance network with signal terminal.
Fig. 2 is the system diagram of the described DC power source unit of the utility model.
As shown in Figure 2: in this embodiment; Described DC power source unit comprises power switch 3, transformer B, rectifier, voltage stabilizer and the electric power source distribution device that is linked in sequence; DC power source unit provides the electric current of positive and negative 24V and 5V, and the selection of power supply is selected through power supply selective switchgear 1.
Fig. 3 is the structural representation of the described signal source panel of the utility model.
As shown in Figure 3: described signal source panel 11 is provided with power supply selective switchgear 1, four output connection interfaces 2, power switch 3, two precision resistors 4, timing button 5, pause button 6, SR 7, voltage table 8, timer 9, digital display meter 10 and feedback input signal interfaces 12, and described pause button 6 also connects with feedback input signal interface 12.Wherein, voltage table 8 is four precision digital voltage tables with digital display meter 10, and digital display meter 10 is two 4-digit number voltage tables that show, the saltus step number percent of display voltage value and step signal simultaneously.Described timer 9 is four bit timers then, and low level is effective, functions such as having timing, suspend and reset.
Wherein, two precision resistors 4 have formed the precision resistance network with a plurality of precision resistances, and it delivers to output connection interface 2 and digital display meter 10 with the step signal that produces.
And described SR 7, pause button 6 and timing button 5 have constituted the pushbutton switch unit, and wherein, timing button 5 is compound locking press button, and it is connected with timer 9, precision resistance network, simultaneously the output in control signal source; Pause button 6 and SR 7 are often driven button for automatically reset multidigit, and pause button 6 is connected with timer 9, precision resistance network, and export in while control signal source; SR 7 then is connected with timer 9.
In addition, described a plurality of output connection interface and feedback input signal interface have formed signal terminal.
One, step signal output: connect by after school instrument or the system, regulate two precision resistors 4, through observing the indicated value of digital display meter 10; Setting signal source step signal amplitude is pressed timing button 5, step signal output; Timer 9 picks up counting automatically simultaneously; Timing time when being reached setting value by the output of school instrument or system has two kinds of methods: 1, manually timing, and pause button 6 is pressed in manual work, stops timing; 2, self-clocking is inserted signal sources by the switching signal of school instrument or default through feedback input signal interface 12, and signal source stops timing automatically, readable signal action time from the timer 9 this moment.
Two, general analogue signal output: connect by after school instrument or the system, press 5, two precision resistors of timing button 4 and regulate the output signal, its size is by digital display meter 10 indications.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in the protection domain of the utility model.
Claims (7)
1. step signal source; It is characterized in that; Comprise DC power source unit, timer, precision resistance network, pushbutton switch unit, Displaying Meter unit and signal terminal, wherein, described Displaying Meter unit comprises digital display meter and voltage table; Described voltage table, timer, precision resistance network all are connected with DC power source unit; Described pushbutton switch unit then is connected with the precision resistance network with timer respectively, and in addition, described digital display meter all is connected with the precision resistance network with signal terminal.
2. step signal according to claim 1 source is characterized in that, described DC power source unit comprises power switch, transformer, rectifier, voltage stabilizer and the electric power source distribution device that is linked in sequence.
3. step signal according to claim 1 source is characterized in that, described precision resistance network comprises two precision resistors and a plurality of precision resistance.
4. step signal according to claim 1 source is characterized in that, described pushbutton switch unit comprises SR, pause button and timing button; Wherein, The timing button is compound locking press button, and it is connected with timer, precision resistance network, and pause button and SR are that automatically reset multidigit is often driven button; Pause button is connected with timer, precision resistance network, and SR then is connected with timer.
5. step signal according to claim 1 source is characterized in that, described signal terminal comprises a plurality of output connection interfaces and feedback input signal interface.
6. step signal according to claim 1 source is characterized in that, described voltage table and digital display meter are four precision digital voltage tables.
7. step signal according to claim 1 source is characterized in that, described timer is four bit timers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200513507U CN202512147U (en) | 2012-02-17 | 2012-02-17 | Step signal source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200513507U CN202512147U (en) | 2012-02-17 | 2012-02-17 | Step signal source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512147U true CN202512147U (en) | 2012-10-31 |
Family
ID=47064625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200513507U Expired - Fee Related CN202512147U (en) | 2012-02-17 | 2012-02-17 | Step signal source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202512147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608367A (en) * | 2012-02-17 | 2012-07-25 | 南京化工职业技术学院 | Step signal source |
| CN105116181A (en) * | 2015-07-16 | 2015-12-02 | 中煤科工集团重庆研究院有限公司 | Voltage step device and mining direct current power supply detection device |
-
2012
- 2012-02-17 CN CN2012200513507U patent/CN202512147U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608367A (en) * | 2012-02-17 | 2012-07-25 | 南京化工职业技术学院 | Step signal source |
| CN102608367B (en) * | 2012-02-17 | 2015-04-08 | 南京化工职业技术学院 | Step signal source |
| CN105116181A (en) * | 2015-07-16 | 2015-12-02 | 中煤科工集团重庆研究院有限公司 | Voltage step device and mining direct current power supply detection device |
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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: 20121031 Termination date: 20150217 |
|
| EXPY | Termination of patent right or utility model |