CN2221843Y - Radio communication bar code reading automatic control dishes-ordering device - Google Patents
Radio communication bar code reading automatic control dishes-ordering device Download PDFInfo
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- CN2221843Y CN2221843Y CN 94225383 CN94225383U CN2221843Y CN 2221843 Y CN2221843 Y CN 2221843Y CN 94225383 CN94225383 CN 94225383 CN 94225383 U CN94225383 U CN 94225383U CN 2221843 Y CN2221843 Y CN 2221843Y
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- chip microcomputer
- wireless
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- wireless telecommunications
- bar code
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Abstract
The utility model relates to an automatic control dish-ordering device for radio communication bar code reading. The utility model is composed of a radio communication bar code reader and a communication controller, wherein, the radio communication bar code reader comprises a photoelectric converter, a display, a single chip computer, a radio transmitter, and a radio receiver, and the communication controller comprises a radio transmitter, a radio receiver, a single chip computer system, parallel circuits, and interface circuits. The utility model compensates for the deficiency of the existing hotel management systems and widens the activity range of information material collection. The utility model has the advantages of convenient installation, easy debugging, and enhanced work efficiency.
Description
The utility model relates to a kind of wireless telecommunications bar code reading and controls dish-order device automatically.
At home and abroad only have at present and adopt bar-code reader computer Hospitality management system in the minority hotel management.The transmission of information has two kinds in such system: a kind of is will communicate information to master computer by lead to handle after bar-code reader collects information and identification, finishes its hotel's economic management process; Another kind is to be stored in the bar-code reader after bar-code reader collects information and knows in addition, and then bar-code reader is delivered to the computer operation platform, and the special purpose interface by bar-code reader links to each other with computer and carries out data processing.Its maximum disadvantage of above processing method has following 2 points:
1, owing to will there be lead to connect with intercomputer at bar-code reader, its scope of activities is very limited, there is the little shortcoming of scope of activities, must set up very long lead as increasing scope of activities, move very inconveniently, the spy just seems more tired to sew when being linked to each other with an intercomputer by several bar-code readers.
2, for another kind of bar-code reader, owing to want earlier by depositing in the reader after the bar-code reader identification after collecting information, after getting back to the computer operation platform, deposit in the computer again by special purpose interface and to handle, this kind bar-code reader shortcoming is that memory capacity is limited, the transmission of information and the processing of computer are untimely, inefficiency, and labor intensity of operating personnel is big.
The purpose of this utility model is to overcome the deficiencies in the prior art part and provides a kind of easy to use, and the process information time, short wireless telecommunications bar code reading was controlled dish-order device automatically.
Technical solution of the present utility model can realize as follows: a kind of wireless telecommunications bar code reading is controlled dish-order device automatically, is characterized in by the wireless telecommunications bar-code reader, and communication controller two parts are formed, and wherein the wireless telecommunications bar-code reader comprises:
(A) optical-electrical converter,
(B) power supply,
(C) display,
(D) single-chip microcomputer,
(E) wireless launcher,
(F) wireless receiver,
Optical-electrical converter is mainly by reception diode D1, light-emitting diode D2, XOR gate U2:A, high input impedance preamplifier U3, comparison and operational amplifier U4 and the potentiometer P1, the P2 that are complementary with it, diode D3, D4, resistance R 1～R19, capacitor C 1～C5 forms.
Power supply mainly is made up of B1, switch S V1, capacitor C 10.
Display U5 is a dot matrix, the LCD of 16 characters of delegation.
Single-chip microcomputer can adopt the 87C51 type.
Wireless launcher is by triode G4, G5, G6, variable capacitance diode D7, and transformer T1, inductance T2, T3, coil L2～L5, capacitor C 14～C27, resistance R 25～R33, crystal oscillator CY2 and antenna A1 form.
Wireless receiver is mainly by wireless frequency modulation special chip U6, diode D
8, D9, transformer T4, T5, inductance L 6～L8, crystal oscillator CRY1, CRY2, CRF1, CRF2, capacitor C 28, C30～C42, C46, resistance R 34～R41 forms.
After optical-electrical converter converts the light signal that receives to the signal of telecommunication, send single-chip microcomputer to handle through amplification, shaping, 3 pin by U2:A, signal after the processing send the display video data through 32～39 pin of single-chip microcomputer, the information of receiving is through confirming to give the J1-5 of wireless launcher by J1-5 after errorless, and A1 gives communication controller through antenna.Communication controller sends answer signal to wireless communication bar-code reader after receiving signal again, and A1 passes to wireless receiver through antenna, by the J1-4 of wireless receiver signal is passed to single-chip microcomputer.
Communication controller comprises:
(G) wireless launcher,
(H) wireless receiver,
(L) Single Chip Microcomputer (SCM) system,
(M) parallel port circuit,
(N) interface circuit,
Single Chip Microcomputer (SCM) system is by comprising 8031 single-chip microcomputer U7, address latch U8, and data storage U10, U11, program storage U9, U14 are address decoder, reset circuit and RAM power down protection circuit U 18 and U13:C, U13:D and peripheral circuit are formed.
The parallel port circuit is made up of U12, and interface circuit is made up of U15.
After wireless receiver in the controller receives and reads the signal of wireless launcher in the device from the wireless telecommunications bar code, behind high frequency amplification, mixing, filtering, frequency discrimination, deliver to the J1-7 of Single Chip Microcomputer (SCM) system by 18 pin of single-chip microcomputer U6.Single Chip Microcomputer (SCM) system is given computer through parallel port circuit, interface circuit by PCBUS after receiving signal and processing.Computer sends answer signal through interface circuit, parallel port circuit, Single Chip Microcomputer (SCM) system and wireless launcher to the wireless telecommunications bar-code reader again after receiving signal.
Screen bar code recognizer of the present utility model is used for reading and discerns the relevant bar code of information of being gathered, and is converted into the signal of telecommunication.The signal of telecommunication that converts to is presented at the form of information with numeral on the display by the display on the reader, makes the operator understand the correct information that collects whether, makes amendment as wrong.The operator thinks can be transferred to the controller part by the emitter in the reader with information wireless with information after errorless, and reader also can accept the feedback information of self-controller simultaneously, and understands computer by display and whether received the information of sending.Communication controller will receive the information of sending from bar-code reader and convert mechanized data to and be transferred to computer.This wireless telecommunications bar-code reader circuit is made of jointly Fig. 3 and Fig. 4 circuit theory diagrams, and communication controller is made of jointly Fig. 4 and Fig. 5 circuit theory diagrams.
Wireless telecommunications bar code reading of the present utility model is controlled the deficiency that dish-order device has remedied existing hotel management automatically, has enlarged the scope of activities of acquisition of information data, and this device is easy for installation, and debugging is simple, has improved operating efficiency.
Specify embodiment of the present utility model below in conjunction with accompanying drawing:
Fig. 1 is the theory diagram of the utility model wireless telecommunications bar-code reader
Fig. 2 is the theory diagram of the utility model communication controller
Fig. 3 is the circuit theory diagrams of optical-electrical converter, bar-code identification, data demonstration, storage Communication Control
Fig. 4 is the circuit theory diagrams of wireless transceiver
Fig. 5 is the circuit theory diagrams of Communication Control card
The utility model is made up of wireless telecommunications bar-code reader and communication controller two parts.
As shown in Figure 3 after the wireless telecommunications bar-code reader energized, D2 in the optical-electrical converter 2 sends ruddiness, the mobile radio communication bar-code reader is to bar code scan, ruddiness changes the signal of telecommunication into by the reception of the D1 in the optical-electrical converter 2 after the bar code reflection, U3 amplifies signal through high input impedance preamplifier, 5 pin of delivering to comparison and operational amplifier U4:B carry out homophase to signal and amplify, 2 pin through U4:A carry out shaping again, signal after the shaping is delivered to 1 pin of XOR gate U2:A by 1 pin output pulse width signal, exports 12 pin of single-chip microcomputer 1 U1 to through 3 pin.In optical-electrical converter 2, reconcile potentiometer P1 and connect the biasing circuit that R1, R2 form input.Reconcile the variation that potentiometer P1 will cause the change in voltage of R2 end and cause the U3 output.R4 is the feedback resistance of preamplifier U4, and capacitor C 1 is improved dynamic characteristic.R6, R7 are the biasing circuit of amplifier U4:B, and R10～R12 is the biasing circuit of comparator U4:A.P2, R17, triode G3 and D2 form the radiating circuit of reader scanning bar code, reconcile potentiometer P2 and will cause that the electric current of D2 changes, thereby cause the variation of emissive porwer.After 12 pin of single-chip microcomputer 1 U1 receive signal, carry out bar-code identification by internal software and handle, recognition data send display 3 U5 to show and exists among the RAM.U1 is 40 pin single-chip microcomputers, and 32～39 pin are as the signal output part of display 3 U5 data, and the 1st foot control system U2:C and the triode G2 of U1 are as the radio control switch.The 3rd foot control system U2:B, triode G1 and the fast Chinese percussion instrument S1 of U1 indicate as operating state.The 5 foot control system U2:D of U1 export the J1-5 end of wireless launcher 4 to as data.6 pin of U1 link to each other with the J1-4 of wireless receiver 5 through J1-4 as the input port of answer signal.
In Fig. 4, wireless receiver 5, wireless receiver 8 are made up of two super interpolations or wireless frequency modulation special chip U6 and peripheral circuit.Transformer T4, C28, D8, D9 form the frequency-selecting amplitude limiter circuit.The 1st, 4,28 pin of transformer T5 and single-chip microcomputer U6 are formed high frequency and are amplified.R39, L6, crystal oscillator CRY1 form first local oscillator, form first intermediate-freuqncy signal with the mixing of T5 amplifying signal, deliver to the 21st pin of U6 again through CRF1 filtering, form second local oscillator by CRY2, C33, signal mixing once more with CRF1 sends here forms second intermediate-freuqncy signal, after CRF2 filtering, send L7, C37, R36 to form frequency discriminator and carry out frequency discrimination, send 15 pin of U6.The frequency discrimination signal forms digital signal through comparator again by the 16 pin output of U6, exports 17 pin of delivering to single-chip microcomputer U6 through R41, C41 by 16 pin of U6, by the output of 18 pin, gives the Single Chip Microcomputer (SCM) system J1-7 of Fig. 5.
Transmitting set 4, transmitting set 7 are made up of triode G4, G5, G6 among Fig. 4.Variable capacitance diode D7, coil L5, crystal oscillator CY2 and triode G6 form local-oscillator circuit.Transmitter 4 receives from the signal of J1-5 after the output of the emitter of local-oscillator circuit G6 is coupled to G5 through C21 and forms power circuit, is launched by antenna.Transistor G8 is a power control switch, and integrated package U7 is the specialized voltages control chip.
Single-chip microcomputer 1 of the present utility model can adopt the 87C51 type, and parallel port circuit 10 can adopt 8155 type single-chip microcomputers, and interface circuit 11 can adopt 8255 type single-chip microcomputers.
Claims (5)
1, a kind of wireless telecommunications bar code reading is controlled dish-order device automatically, it is characterized in that: by the wireless telecommunications bar-code reader, communication controller two parts are formed, and wherein the wireless telecommunications bar-code reader comprises:
(A) optical-electrical converter (2),
(B) power supply (6),
(C) display (3),
(D) single-chip microcomputer (1),
(E) wireless launcher (4),
(F) wireless receiver (5),
After optical-electrical converter (2) converts the light signal that receives to the signal of telecommunication, through amplifying, after the shaping, 3 pin by U2:A send single-chip microcomputer (1) to handle, signal after the processing send display (3) video data through 32～39 pin of single-chip microcomputer (1), the information of receiving is through confirming to give the J1-5 of wireless launcher (4) by J1-5 after errorless, A1 gives communication controller through antenna, communication controller sends answer signal to the wireless telecommunications bar-code reader after receiving signal again, pass to wireless receiver (5), J1-4 by wireless receiver (5) passes to single-chip microcomputer (1) with signal
Communication controller comprises:
(G) wireless launcher (7),
(H) wireless receiver (8),
(L) Single Chip Microcomputer (SCM) system (9),
(M) parallel port circuit (10),
(N) interface circuit (11),
After wireless receiver in the controller (8) receives signal from wireless launcher (4) in the wireless telecommunications bar-code reader, behind great number amplification, mixing, filtering, frequency discrimination, deliver to the J1-7 of Single Chip Microcomputer (SCM) system (9) by 18 pin of single-chip microcomputer U6, Single Chip Microcomputer (SCM) system (9) is given computer through parallel port circuit (10), interface circuit (11) by PCBUS after receiving signal and processing.Computer sends answer signal through interface circuit (11), parallel port circuit (10), Single Chip Microcomputer (SCM) system (9) and wireless launcher (7) to the wireless telecommunications bar-code reader again after receiving signal.
2, wireless telecommunications bar code reading according to claim 1 is controlled dish-order device automatically, it is characterized in that: optical-electrical converter comprises reception diode D1, light-emitting diode D2, U2:A, high input impedance preamplifier U3, comparison and operational amplifier U4.
3, wireless telecommunications bar code reading according to claim 1 and 2 is controlled dish-order device automatically, it is characterized in that: single-chip microcomputer (1) can adopt 87C51 type single-chip microcomputer.
4, wireless telecommunications bar code reading according to claim 2 is controlled dish-order device automatically, it is characterized in that: Single Chip Microcomputer (SCM) system (9) comprises 8031 type single-chip microcomputers, address latch, data storage, program storage, reset circuit, RAM power down protection circuit.
5, wireless telecommunications bar code reading according to claim 1 and 2 is controlled dish-order device automatically, it is characterized in that: parallel port circuit (10) adopts 8155 type single-chip microcomputers, and interface circuit (11) adopts 8255 type single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225383 CN2221843Y (en) | 1994-02-28 | 1994-02-28 | Radio communication bar code reading automatic control dishes-ordering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225383 CN2221843Y (en) | 1994-02-28 | 1994-02-28 | Radio communication bar code reading automatic control dishes-ordering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2221843Y true CN2221843Y (en) | 1996-03-06 |
Family
ID=33838587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94225383 Expired - Fee Related CN2221843Y (en) | 1994-02-28 | 1994-02-28 | Radio communication bar code reading automatic control dishes-ordering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2221843Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332299C (en) * | 2004-09-29 | 2007-08-15 | 张应富 | Wireless electronic menu apparatus and dishes ordering system containing the same |
| CN100369044C (en) * | 2004-06-29 | 2008-02-13 | 刘宝 | Book locating device and locating method |
| CN100429674C (en) * | 2005-01-31 | 2008-10-29 | 上海中策工贸有限公司 | Wireless tag menu |
| CN100480951C (en) * | 1999-03-31 | 2009-04-22 | 索尼计算机娱乐公司 | Portable information communication terminal |
-
1994
- 1994-02-28 CN CN 94225383 patent/CN2221843Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100480951C (en) * | 1999-03-31 | 2009-04-22 | 索尼计算机娱乐公司 | Portable information communication terminal |
| CN100369044C (en) * | 2004-06-29 | 2008-02-13 | 刘宝 | Book locating device and locating method |
| CN1332299C (en) * | 2004-09-29 | 2007-08-15 | 张应富 | Wireless electronic menu apparatus and dishes ordering system containing the same |
| CN100429674C (en) * | 2005-01-31 | 2008-10-29 | 上海中策工贸有限公司 | Wireless tag menu |
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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 |