CN202351919U - Display device of drug counting machine - Google Patents
Display device of drug counting machine Download PDFInfo
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- CN202351919U CN202351919U CN2011204701888U CN201120470188U CN202351919U CN 202351919 U CN202351919 U CN 202351919U CN 2011204701888 U CN2011204701888 U CN 2011204701888U CN 201120470188 U CN201120470188 U CN 201120470188U CN 202351919 U CN202351919 U CN 202351919U
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Abstract
The utility model provides a display device of a drug counting machine, which is used for displaying the counting result of the drug counting machine. The device comprises an interface unit, at least one latch decoder and at least one nixie tube, wherein the interface unit is connected with a PLC (Programmable Logic Controller) output end of the drug counting machine and transmits a PLC signal to the BCD (Binary Coded Decimal) code input end and the latch signal end of the latch decoder, and the decoded output end of the latch decoder is connected with the data input end of the nixie tube. The display device of a drug counting machine provided by the utility model can directly display the counting signal of PLC and timely and accurately display the counting result.
Description
Technical field
The utility model relates to a kind of some medicine machine display device.
Background technology
Point medicine machine is a kind of common equipment in the automatic dispensary, can be used for making an inventory and each side such as counting, medicine subpackage counting of medicine particle quantity.The counting mechanism of some medicine machine normally adopts PLC (programmable logic controller (PLC)) to control, and obtains the count signal of serial.And the display device of existing some medicine machine generally adopts single-chip microcomputer (microprocessor MCU) to control; This makes count signal need advanced line level conversion; Converting MCU to can identified signal, like the Transistor-Transistor Logic level signal, and then sends charactron to through MCU and shows count results.This mode increases switching time, and when conversion, also causes the transmission burden of change-over circuit easily, causes loss of data or time-delay, in real time video data.
Summary of the invention
In order to address the above problem, the utility model provides a kind of some medicine machine display device, can directly handle the count signal of PLC, can show count results real-time and accurately.
Concrete technical scheme is following:
A kind of some medicine machine display device that the utility model embodiment provides is used for the count results of display dot medicine machine, comprises interface unit, at least one latch decoder and at least one charactron, wherein
Said interface unit is connected in the PLC output terminal of a medicine machine, and the PLC signal is transferred to the binary-coded decimal input end and the latch signal end of said latch decoder, and the decoding output terminal of said latch decoder is connected with the data input pin of said charactron.
According to one of the utility model preferred embodiment, said latch decoder adopts the CD4511 chip, and its binary-coded decimal input end is a pin one, 2,6 and 7, and the latch signal end is a pin 5, and the decoding output terminal is a pin 9,10,11,12,13,14 and 16.
According to one of the utility model preferred embodiment, said charactron adopts the LED common cathode to show charactron, and its data input pin is a pin two, 3,4,5,7,8,9 and 10.
According to one of the utility model preferred embodiment, be serially connected with divider resistance between the decoding output terminal of said latch decoder and the data input pin of said charactron.
According to one of the utility model preferred embodiment, this device comprises 4 latch decoders and 4 charactrons, and said latch decoder is corresponding one by one with charactron.
Can find out that by above technical scheme a kind of some medicine machine display device that the utility model provides can directly be handled the count signal of PLC, can show count results real-time and accurately, be convenient to operator's management and control.
Description of drawings
Fig. 1 is the theory diagram of the some medicine machine display device that provides of the utility model embodiment;
Fig. 2 is the circuit diagram of the some medicine machine display device that provides of the utility model embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, the utility model is described in detail below in conjunction with accompanying drawing and specific embodiment.
Embodiment 1
The point medicine machine display device that the utility model provides is used for the count results of display dot medicine machine, and some medicine machine is through the counting mechanism of PLC reference mark medicine machine, obtains the count signal (below be called the PLC signal) of serial.The utility model provides the display device of utilizing this count signal to show count results.
Fig. 1 is the theory diagram of the some medicine machine display device that provides of present embodiment, and is as shown in Figure 1, comprises interface unit 10, at least one latch decoder 20 and at least one charactron 30, wherein
Fig. 2 is the circuit diagram of the some medicine machine display device that provides of present embodiment; As shown in Figure 2; This device comprises 4 latch decoders and 4 charactrons, latch decoder U1, U2, U3, U4 and charactron LED1, LED2, LED3, LED4, and latch decoder is corresponding one by one with charactron.Latch decoder 20 adopts the CD4511 chip, and its binary-coded decimal input end is a pin one, 2,6 and 7, and the latch signal end is a pin 5, and the decoding output terminal is a pin 9,10,11,12,13,14 and 16.Charactron 30 adopts the LED common cathode to show charactron, and its data input pin is a pin two, 3,4,5,7,8,9 and 10.Be connected in series divider resistance R9 ~ R36 between the decoding output terminal of latch decoder and the data input pin of charactron.The test input of latch decoder (pin 3) is connected+the 5V power supply with blanking input end (pin 4), is high level.Duty through the LE1 of the latch signal in the PLC signal ~ LE4 control latch decoder.When LE1 was low level 0, latch decoder U1 allowed the output of decoding output terminal, and this moment, charactron LED1 showed according to the decode results output of the binary-coded decimal signal A0 ~ A3 in the PLC signal.When LE1 was output as high level 1, latch decoder U1 was the locking hold mode, the numerical value of input before keeping, and this moment, the demonstration of charactron LED1 did not change.
When a medicine machine was counted, the PLC signal can change according to the action of counting mechanism, and the display device that the utility model provides can show count results in real time, was convenient to management and control.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (5)
1. some medicine machine display device is used for the count results of display dot medicine machine, it is characterized in that, comprises interface unit, at least one latch decoder and at least one charactron, wherein
Said interface unit is connected in the PLC output terminal of a medicine machine, and the PLC signal is transferred to the binary-coded decimal input end and the latch signal end of said latch decoder, and the decoding output terminal of said latch decoder is connected with the data input pin of said charactron.
2. device according to claim 1 is characterized in that, said latch decoder adopts the CD4511 chip, and its binary-coded decimal input end is a pin one, 2,6 and 7, and the latch signal end is a pin 5, and the decoding output terminal is a pin 9,10,11,12,13,14 and 16.
3. device according to claim 1 is characterized in that, said charactron adopts the LED common cathode to show charactron, and its data input pin is a pin two, 3,4,5,7,8,9 and 10.
4. device according to claim 1 is characterized in that, is serially connected with divider resistance between the decoding output terminal of said latch decoder and the data input pin of said charactron.
5. device according to claim 1 is characterized in that, this device comprises 4 latch decoders and 4 charactrons, and said latch decoder is corresponding one by one with charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204701888U CN202351919U (en) | 2011-11-23 | 2011-11-23 | Display device of drug counting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204701888U CN202351919U (en) | 2011-11-23 | 2011-11-23 | Display device of drug counting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351919U true CN202351919U (en) | 2012-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204701888U Expired - Fee Related CN202351919U (en) | 2011-11-23 | 2011-11-23 | Display device of drug counting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136581A (en) * | 2011-11-23 | 2013-06-05 | 苏州艾隆科技有限公司 | Display device of medicine counting machine |
-
2011
- 2011-11-23 CN CN2011204701888U patent/CN202351919U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136581A (en) * | 2011-11-23 | 2013-06-05 | 苏州艾隆科技有限公司 | Display device of medicine counting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 215123 No. 28, Xinchang Road, Suzhou, Jiangsu Patentee after: Suzhou Iron Technology Co., Ltd. Address before: Suzhou City, Jiangsu province 215123 wangdun Road, Suzhou Industrial Park, No. 188 Patentee before: Suzhou Iron Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20201123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |