CN210052232U - Remote control intelligent vending machine equipment - Google Patents
Remote control intelligent vending machine equipment Download PDFInfo
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- CN210052232U CN210052232U CN201921465600.XU CN201921465600U CN210052232U CN 210052232 U CN210052232 U CN 210052232U CN 201921465600 U CN201921465600 U CN 201921465600U CN 210052232 U CN210052232 U CN 210052232U
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Abstract
The utility model discloses a remote control intelligence vending machine equipment, including backend server, signal transmitter and the signal receiver of setting on the vending machine, controller, the control command signal of server output loops through the buffer circuit, send into signal transmitter after instruction amplification filter circuit and power amplifier transmitting circuit are handled, signal transmitter sends the instruction signal that power amplifier transmitting circuit transmitted on signal receiver remotely, and signal receiver is connected with the controller, and the controller is used for controlling the operating condition of vending machine, the utility model discloses not only effectively improve the remote control efficiency to the vending machine, effectively avoid remote control instruction's signal transmission to receive factors such as network fluctuation and external electromagnetic interference to influence moreover, make control more accurate effective.
Description
Technical Field
The utility model relates to a vending machine control technical field especially relates to a remote control intelligence vending machine equipment.
Background
The vending machine is a common automatic device for commercial automation, is not limited by time and place, can save manpower and is convenient for transaction. At present, the vending machines on the market need to monitor the state of the vending machines and make corresponding control adjustment during the use process. Traditional control usually needs managers to arrive at the scene and patrol regularly, and the process is time-consuming and labor-consuming, and the control efficiency is low. And remote control's appearance has promoted the control efficiency of automatic vending machine greatly, and backend server generates control command according to control request promptly, sends control command to the automatic vending machine that the automatic vending machine number corresponds, and control command is used for controlling the automatic vending machine that corresponds and carries out control operation. However, signal transmission of the remote control instruction is affected by network fluctuation, external electromagnetic interference and other factors, and the probability of control error is high, which causes great inconvenience to practical use.
So the utility model provides a new scheme to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, in order to overcome the defects of the prior art, the utility model aims to provide a remote control intelligent vending machine equipment.
The technical scheme for solving the problem is as follows: the utility model provides a remote control intelligence vending machine equipment, includes backend server, signal transmitter and sets up signal receiver, the controller on the vending machine, the control command signal of server output loops through isolation circuit, instruction amplification filter circuit and power amplifier transmitting circuit and handles the back and send into in the signal transmitter, signal transmitter will the instruction signal long-range transmission that power amplifier transmitting circuit transmitted arrives on the signal receiver, signal receiver with the controller is connected, the controller is used for controlling the operating condition of vending machine.
Further, the isolation circuit comprises an operational amplifier U1A, a non-inverting input terminal of the operational amplifier U1A is connected to the command output terminal of the background server and is grounded through a resistor R1, and an inverting input terminal of the operational amplifier U1A is connected to the output terminal of the operational amplifier U1A and one end of a resistor R3 through a resistor R2.
Further, the instruction amplification filter circuit comprises operational amplifiers U2A and U2B, an inverting input terminal of the operational amplifier U2A is connected to one ends of a resistor R4 and a capacitor C2, the other end of the resistor R4 is grounded, the other end of the capacitor C2 is connected to the other end of the resistor R3 through a capacitor C1 and is connected to a non-inverting input terminal of the operational amplifier U2B through a resistor R5, the inverting input terminal of the operational amplifier U2A is grounded, an output terminal of the operational amplifier U2A is connected to the inverting input terminal of the operational amplifier U2B and one end of the resistor R7, the non-inverting input terminal of the operational amplifier U2B is also grounded through a resistor R6, and an output terminal of the operational amplifier U2B is connected to the other end of the resistor R7 and is connected to an input terminal of the transmitting.
Furthermore, the power amplifier transmitting circuit comprises triodes VT1 and VT2, an emitter of the triode VT1 is connected with one end of the resistor R8 and an output end of the instruction amplification filter circuit, a base of the triode VT1 is connected with the other end of the resistor R8 and an emitter of the triode VT2, a collector of the triode VT1 is connected with a base of the triode VT2, one end of the resistor R9 and a cathode of the zener diode DZ1, the other end of the resistor R9 is connected with an anode of the zener diode DZ1 in parallel and grounded, a collector of the triode VT2 is connected with one end of the inductor L1 and one end of the capacitor C4, and the other ends of the inductor L1 and the capacitor C4 are connected with an input end of the signal emitter through the.
Through the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses after looping through isolation circuit, instruction amplification filter circuit and power amplifier transmitting circuit with the instruction signal that backend server sent and handling, by signal transmitter E1 with the instruction signal long-range transmission after the conditioning to correspond the signal receiver who numbers the vending machine on, not only effectively improved the remote control efficiency to the vending machine, effectively avoided the signal transmission of remote control instruction to receive factors influence such as network fluctuation and external electromagnetic interference moreover, made control more accurate effective;
2. the instruction amplification filter circuit utilizes a second-order high-pass filter network to filter and output the instruction signal, effectively eliminates interference of external electromagnetic clutter and the like, improves accuracy in the transmission process of the instruction signal, utilizes a differential amplification principle to amplify and output, effectively reduces network noise interference caused by network fluctuation, and improves anti-interference performance of the control instruction.
Drawings
Fig. 1 is a schematic diagram of the isolation circuit of the present invention.
Fig. 2 is a schematic diagram of the instruction amplification filter circuit of the present invention.
Fig. 3 is a schematic diagram of the power amplifier transmitting circuit of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings 1 to 3. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides a remote control intelligence vending machine equipment, including the backstage server, signal transmitter E1 and the signal receiver who sets up on the vending machine, a controller, the control command signal of server output loops through isolation circuit, during instruction amplification filter circuit and power amplifier transmitting circuit process send into signal transmitter E1, signal transmitter E1 sends the instruction signal that power amplifier transmitting circuit transmitted to signal receiver on long-rangely, signal receiver is connected with the controller, the controller is used for controlling the operating condition of vending machine.
The background server generates a control instruction according to a control request sent by a manager, and the control instruction is firstly sent into the isolation circuit for isolated output. As shown in fig. 1, the isolation circuit includes an operational amplifier U1A, a non-inverting input terminal of the operational amplifier U1A is connected to an instruction output terminal of the backend server and is grounded through a resistor R1, and an inverting input terminal of the operational amplifier U1A is connected to an output terminal of the operational amplifier U1A and one end of a resistor R3 through a resistor R2. The operational amplifier U1A is used as a voltage follower to isolate and amplify the instruction signal output by the background server, so that the output of the background server is prevented from being influenced by a post-stage circuit, and good protection and stable output effects are achieved.
As shown in fig. 2, the instruction signal processed by the isolation circuit is sent to an instruction amplification filter circuit for further processing, the instruction amplification filter circuit includes an operational amplifier U2A and U2B, an inverting input terminal of the operational amplifier U2A is connected to one end of a resistor R4 and one end of a capacitor C2, the other end of the resistor R4 is grounded, the other end of the capacitor C2 is connected to the other end of a resistor R3 through a capacitor C1 and is connected to an non-inverting input terminal of the operational amplifier U2B through a resistor R5, an inverting input terminal of the operational amplifier U2A is grounded, an output terminal of the operational amplifier U2A is connected to the inverting input terminal of the operational amplifier U2B and one end of a resistor R7, a non-inverting input terminal of the operational amplifier U2B is also grounded through a resistor R6, and an output terminal of the operational amplifier U2B is connected to the other end of the resistor R36.
The resistors R4 and R5 and the capacitors C1 and C2 form a second-order high-pass filter network to filter and output the command signals, when the device is specifically set, the center frequency of the second-order high-pass filter network is consistent with the center frequency of the command signals, so that the interference of external electromagnetic noise and the like can be effectively eliminated, the accuracy in the transmission process of the command signals is improved, the command signals processed by the second-order high-pass filter network are output in two paths, one path is further amplified by the operational amplifier U2A and then input to the inverting input end of the operational amplifier U2B, the other path is split by the resistor R6 and then input to the non-inverting input end of the operational amplifier U2B, the operational amplifier U2B amplifies and outputs the two paths of the command signals by using the differential amplification principle, the network noise interference caused by network fluctuation is effectively reduced, and the anti.
Along with the increase of the remote control distance, the attenuation degree of the instruction signal is larger in the remote transmitting process, and the unstable factor is increased, so that the transmitting power of the instruction signal is improved by adopting the power amplifier transmitting circuit. As shown in fig. 3, the power amplifier transmitting circuit includes transistors VT1, VT2, an emitter of the transistor VT1 is connected to one end of the resistor R8 and an output end of the command amplification filter circuit, a base of the transistor VT1 is connected to the other end of the resistor R8 and an emitter of the transistor VT2, a collector of the transistor VT1 is connected to a base of the transistor VT2, one end of the resistor R9 and a cathode of the zener diode DZ1, the other end of the resistor R9 is connected in parallel with an anode of the zener diode DZ1 and grounded, a collector of the transistor VT2 is connected to one end of the inductor L1 and one end of the capacitor C4, and the other ends of the inductor L1 and the capacitor C4 are connected to an input end of the signal.
The triodes VT1 and VT2 form a composite triode for carrying out power amplification on an output signal of the operational amplifier U2B, so that the power amplification efficiency is greatly improved, and the voltage stabilizing diode DZ1 plays a stable role in the power amplification process. The output signal of the compound triode is sent into a resonance tuning circuit formed by an inductor L1 and a capacitor C4 to generate a high-frequency command signal, and then the high-frequency command signal is coupled by a capacitor C5 and sent into a signal transmitter E1. The signal transmitter E1 remotely transmits the conditioned command signal to the signal receiver of the vending machine with the corresponding number, the signal receiver inputs the received control command into the controller of the vending machine, and the controller controls the vending machine to perform the corresponding command operation.
The utility model discloses when specifically using, the instruction signal who sends backend server loops through isolating circuit, instruction amplification filter circuit and power amplifier transmitting circuit and handles the back, by signal transmitter E1 with the instruction signal long-range transmission after conditioning to correspond the signal receiver who numbers the vending machine on. The isolation circuit isolates the output of the instruction signal by using the voltage follower, and plays a good role in protecting and stably outputting the background server. And then the instruction amplification filter circuit utilizes a second-order high-pass filter network to filter and output the instruction signal, effectively eliminates the interference of external electromagnetic clutter and the like, improves the accuracy in the transmission process of the instruction signal, utilizes a differential amplification principle to amplify and output, effectively reduces the network noise interference caused by network fluctuation, and improves the anti-interference performance of the control instruction. And finally, the power amplifier transmitting circuit adopts a composite triode to amplify the power of the instruction signal, so that the power amplifier efficiency is greatly improved, and the control distance is increased.
To sum up, the utility model discloses not only effectively improved the remote control efficiency to the vending machine, effectively avoided the signalling of remote control instruction to receive factors such as network fluctuation and external electromagnetic interference to influence moreover, made control more accurate effective.
The above description is provided for further details of the present invention with reference to the specific embodiments, which should not be construed as limiting the present invention; to the utility model discloses affiliated and relevant technical field's technical personnel are based on the utility model discloses under the technical scheme thinking prerequisite, the extension of doing and the replacement of operating method, data all should fall within the utility model discloses within the protection scope.
Claims (4)
1. The utility model provides a remote control intelligence vending machine equipment, includes backend server, signal transmitter and signal receiver, the controller of setting on the vending machine, its characterized in that: the control instruction signal output by the server is processed by the isolation circuit, the instruction amplification and filtering circuit and the power amplifier transmitting circuit in sequence and then is sent to the signal transmitter, the signal transmitter remotely transmits the instruction signal transmitted by the power amplifier transmitting circuit to the signal receiver, the signal receiver is connected with the controller, and the controller is used for controlling the working state of the vending machine.
2. The remotely controlled smart vending machine apparatus of claim 1, wherein: the isolation circuit comprises an operational amplifier U1A, the non-inverting input end of the operational amplifier U1A is connected with the instruction output end of the background server and is grounded through a resistor R1, and the inverting input end of the operational amplifier U1A is connected with the output end of the operational amplifier U1A and one end of a resistor R3 through a resistor R2.
3. The remotely controlled smart vending machine apparatus of claim 2, wherein: the instruction amplification filter circuit comprises operational amplifiers U2A and U2B, wherein the inverting input end of the operational amplifier U2A is connected with one ends of a resistor R4 and a capacitor C2, the other end of the resistor R4 is grounded, the other end of the capacitor C2 is connected with the other end of a resistor R3 through a capacitor C1 and is connected with the non-inverting input end of the operational amplifier U2B through a resistor R5, the inverting input end of the operational amplifier U2A is grounded, the output end of the operational amplifier U2A is connected with the inverting input end of the operational amplifier U2B and one end of a resistor R7, the non-inverting input end of the operational amplifier U2B is further grounded through a resistor R6, and the output end of the operational amplifier U2B is connected with the other end of a resistor R7 and is connected with the input end.
4. The remotely controlled smart vending machine apparatus of claim 3, wherein: the power amplifier transmitting circuit comprises triodes VT1 and VT2, wherein an emitter electrode of the triode VT1 is connected with one end of a resistor R8 and an output end of the instruction amplifying and filtering circuit, a base electrode of the triode VT1 is connected with the other end of a resistor R8 and an emitter electrode of a triode VT2, a collector electrode of the triode VT1 is connected with a base electrode of a triode VT2, one end of a resistor R9 and a cathode of a zener diode DZ1, the other end of the resistor R9 is connected with an anode of the zener diode DZ1 in parallel and is grounded, a collector electrode of the triode VT2 is connected with one ends of an inductor L1 and a capacitor C4, and the other ends of the inductor L1 and the capacitor C4 are connected with an.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465600.XU CN210052232U (en) | 2019-09-05 | 2019-09-05 | Remote control intelligent vending machine equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465600.XU CN210052232U (en) | 2019-09-05 | 2019-09-05 | Remote control intelligent vending machine equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210052232U true CN210052232U (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921465600.XU Active CN210052232U (en) | 2019-09-05 | 2019-09-05 | Remote control intelligent vending machine equipment |
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| Country | Link |
|---|---|
| CN (1) | CN210052232U (en) |
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2019
- 2019-09-05 CN CN201921465600.XU patent/CN210052232U/en active Active
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