CN203773255U - Control circuit for file cabinet - Google Patents
Control circuit for file cabinet Download PDFInfo
- Publication number
- CN203773255U CN203773255U CN201420108384.4U CN201420108384U CN203773255U CN 203773255 U CN203773255 U CN 203773255U CN 201420108384 U CN201420108384 U CN 201420108384U CN 203773255 U CN203773255 U CN 203773255U
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- Prior art keywords
- circuit
- control circuit
- file cabinet
- infrared
- master control
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- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 16
- 230000005693 optoelectronics Effects 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
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Abstract
The utility model discloses a control circuit for a file cabinet. The control circuit comprises a master control device, a storage mechanism, a power supplying filter circuit, a photoelectric switch control circuit, an external high-voltage logic circuit and an infrared human hand protection mechanism. The power supplying filter circuit is arranged between a 5V DC power source and a touch screen. The storage mechanism, the photoelectric switch control circuit, the external high-voltage logic circuit and the infrared human hand protection mechanism are all electrically connected with the master control device. The master control device is connected with a host computer via a RS485 serial communication interface and connected with the touch screen via a RS232 serial communication interface. The infrared human hand protection mechanism includes a pair of blockout type infrared sensors disposed on the inner wall of a file cabinet, and five pairs of blockout type infrared sensors evenly disposed at a storing and obtaining place at intervals. The control circuit further comprises an infrared sending circuit and an infrared receiving circuit. The control circuit of the utility model is cooperated with the host computer and the touch screen so that automatic control of a file cabinet is achieved.
Description
Technical field
The utility model relates to a kind of archive management system, particularly a kind of file cabinet control circuit.
Background technology
Traditional paper files management mode is simply deposited in files in file cabinet, and manages by the mode of paper record.In use, by consulting paper record file, realize inquiry and the inbound/outbound process of archives and manage, there is the shortcoming of using inconvenient complex management.
Archive management system comprises that file cabinet and some being arranged on be with numbered little cabinet in file cabinet, file cabinet is connected with host computer computer, file cabinet is provided with access port, little cabinet is can be in file cabinet upper and lower, parallel is to access port place, conveniently carry out inbound/outbound process operation, little cabinet can be controlled operation automatically by host computer computer software, also can be by the touch screen control system controlling run on file cabinet.For realizing the automatic control function of file cabinet, need the control circuit of a set of special use to coordinate with host computer, touch-screen.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of file cabinet control circuit, to reach with host computer, touch-screen, coordinates, and realizes the object that file cabinet is controlled automatically.
For achieving the above object, the technical solution of the utility model is as follows:
A file cabinet control circuit, comprises master control set, storing mechanism, power supply filtering circuit, optoelectronic switch control circuit, external high pressure logical circuit, infrared staff protection mechanism.
The input end of described power supply filtering circuit is connected with 5 volts of direct supplys, and output terminal is connected with the power port of touch-screen, and described storing mechanism, optoelectronic switch control circuit, external high pressure logical circuit, infrared staff protection mechanism are all electrically connected to master control set.
Master control set is connected with host computer by RS485 serial communication interface, and master control set is connected with touch-screen by RS232 serial communication interface.
Described infrared staff protection mechanism comprises a pair of blocking type infrared sensor that blocking type infrared sensor on file cabinet inwall and the five pairs of intervals are evenly arranged on access port place that is arranged on, and also comprises infrared transmitting circuit and infrared receiving circuit.
Preferably, described power supply filtering circuit comprises and antistaticly impacts common mode choke T1, the storage capacitor C22 of capacitor C 21, anti-common-mode noise with impact filtering circuit in short-term, anti-overcurrent resettable fuse FU1, anti-transient current, described be antistaticly composed in series by resistance R 27, capacitor C 25 with impact filtering circuit in short-term.
Preferably, described optoelectronic switch control circuit comprises compound Darlington transistor integrated circuit (IC) chip ULN2803A, and the input end of ULN2803A is electrically connected to the output terminal of master control set, and the output terminal of ULN2803A is electrically connected to optoelectronic switch.
Preferably, described external high pressure logical circuit comprises the light-coupled isolation chip TLP281-4 of 4 tunnel unifications, and the output terminal of TLP281-4 is electrically connected to the input end of master control set.
Pass through technique scheme; a kind of file cabinet control circuit that the utility model provides coordinates with host computer, touch-screen; upper and lower, parallel that can the medium and small cabinet of automatic control file cabinet and the switch gate action of access port, and the hand safety of being furnished with infrared staff protection mechanism protection operator.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below.
Fig. 1 is the structured flowchart schematic diagram of the disclosed a kind of file cabinet control circuit of the utility model embodiment and host computer, touch-screen;
Fig. 2 is the circuit theory diagrams of power supply filtering circuit;
Fig. 3 is the circuit theory diagrams of optoelectronic switch control circuit;
Fig. 4 is the circuit theory diagrams of external high pressure logical circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
According to Fig. 1 to 4, the utility model provides a kind of file cabinet control circuit, comprises master control set, storing mechanism, power supply filtering circuit, optoelectronic switch control circuit, external high pressure logical circuit, infrared staff protection mechanism.
The input end of power supply filtering circuit is connected with 5 volts of direct supplys, and output terminal is connected with the power port of touch-screen, and storing mechanism, optoelectronic switch control circuit, external high pressure logical circuit, infrared staff protection mechanism are all electrically connected to master control set.
Master control set is connected with host computer by RS485 serial communication interface, and master control set is connected with touch-screen by RS232 serial communication interface.
Master control set is controlled optoelectronic switch open circuit or short circuit by optoelectronic switch control circuit, and then controls the power system operation of file cabinet.
Infrared staff protection mechanism comprises a pair of blocking type infrared sensor that blocking type infrared sensor on file cabinet inwall and the five pairs of intervals are evenly arranged on access port place that is arranged on, and also comprises infrared transmitting circuit and infrared receiving circuit.
Power supply filtering circuit comprises and antistaticly impacts common mode choke T1, the storage capacitor C22 of capacitor C 21, anti-common-mode noise with impact filtering circuit in short-term, anti-overcurrent resettable fuse FU1, anti-transient current, is antistaticly composed in series by resistance R 27, capacitor C 25 with impact filtering circuit in short-term.
Optoelectronic switch control circuit comprises that compound Darlington transistor integrated circuit (IC) chip ULN2803A provides 6 tunnel output control abilities, the input end of ULN2803A is electrically connected to the output terminal of master control set, the output terminal of ULN2803A is electrically connected to optoelectronic switch, open circuit and the short-circuit condition of controllable switch type optoelectronic switch.
External high pressure logical circuit comprises the light-coupled isolation chip TLP281-4 of 4 tunnel unifications, 4 external logic state input ports, road are provided, the output terminal of TLP281-4 is electrically connected to the input end of master control set, and whether the file cabinet power system that master control set is controlled by external high pressure logical circuit monitor optical electric switch is worked and put in place.
A kind of file cabinet control circuit that the utility model provides coordinates with host computer, touch-screen; upper and lower, parallel that can the medium and small cabinet of automatic control file cabinet and the switch gate action of access port, and the hand safety of being furnished with infrared staff protection mechanism protection operator.
Above-mentioned explanation to disclosed a kind of file cabinet control circuit embodiment, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a file cabinet control circuit, is characterized in that: comprise master control set, storing mechanism, power supply filtering circuit, optoelectronic switch control circuit, external high pressure logical circuit, infrared staff protection mechanism;
The input end of described power supply filtering circuit is connected with 5 volts of direct supplys, and output terminal is connected with the power port of touch-screen, and described storing mechanism, optoelectronic switch control circuit, external high pressure logical circuit, infrared staff protection mechanism are all electrically connected to master control set;
Master control set is connected with host computer by RS485 serial communication interface, and master control set is connected with touch-screen by RS232 serial communication interface;
Described infrared staff protection mechanism comprises a pair of blocking type infrared sensor that blocking type infrared sensor on file cabinet inwall and the five pairs of intervals are evenly arranged on access port place that is arranged on, and also comprises infrared transmitting circuit and infrared receiving circuit.
2. a kind of file cabinet control circuit according to claim 1, it is characterized in that: described power supply filtering circuit comprises and antistaticly impact common mode choke T1, the storage capacitor C22 of capacitor C 21, anti-common-mode noise with impact filtering circuit in short-term, anti-overcurrent resettable fuse FU1, anti-transient current described be antistaticly composed in series by resistance R 27, capacitor C 25 with impact filtering circuit in short-term.
3. a kind of file cabinet control circuit according to claim 1, it is characterized in that: described optoelectronic switch control circuit comprises compound Darlington transistor integrated circuit (IC) chip ULN2803A, the input end of ULN2803A is electrically connected to the output terminal of master control set, and the output terminal of ULN2803A is electrically connected to optoelectronic switch.
4. a kind of file cabinet control circuit according to claim 1, is characterized in that: described external high pressure logical circuit comprises the light-coupled isolation chip TLP281-4 of 4 tunnel unifications, and the output terminal of TLP281-4 is electrically connected to the input end of master control set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108384.4U CN203773255U (en) | 2014-03-11 | 2014-03-11 | Control circuit for file cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108384.4U CN203773255U (en) | 2014-03-11 | 2014-03-11 | Control circuit for file cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203773255U true CN203773255U (en) | 2014-08-13 |
Family
ID=51290423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420108384.4U Expired - Lifetime CN203773255U (en) | 2014-03-11 | 2014-03-11 | Control circuit for file cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203773255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914737A (en) * | 2014-03-11 | 2015-09-16 | 李江波 | File cabinet control circuit and control method |
-
2014
- 2014-03-11 CN CN201420108384.4U patent/CN203773255U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914737A (en) * | 2014-03-11 | 2015-09-16 | 李江波 | File cabinet control circuit and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |