CN209894315U - Unattended weighing card swiping cabinet - Google Patents

Abstract

The utility model provides an unmanned on duty is weighed and is punched card rack, include: AC-DC conversion module, serial server, IC card module, LED control card, LED display screen of punching card, AC-DC conversion module's input termination commercial power alternating current, and the output is connected with serial server, IC card module, LED control card, LED display screen of punching card, exports serial server, IC card module, LED control card, LED display screen after changing the commercial power alternating current who inserts into the direct current of multiple voltage range, and serial server includes: the LED card comprises a power supply interface, RJ45 interfaces, multiple groups of RS485/422 interfaces and multiple groups of RS232 interfaces, wherein the power supply interface is connected with the output end of an AC-DC conversion module, one group of RS485/422 interfaces is connected with an IC card swiping module, one group of RS232 interfaces is connected with an LED control card, and the LED control card is further connected with an LED display screen through a 16-pin communication flat cable. The utility model discloses realize whole process of weighing, the driver can accomplish by oneself, need not to arrange special personnel and monitors the management operation, realizes unmanned on duty, has saved the cost of labor.

Description

Unattended weighing card swiping cabinet

Technical Field

The utility model relates to an unmanned on duty equipment technical field, in particular to unmanned on duty weighing rack of punching card.

Background

In the factory area of the existing large-scale production industry factory, the weighing of the vehicle loaded and unloaded goods needs to be recorded by swiping a card. At present, the factory management usually arranges the on-duty personnel to manage the weighing, which wastes manpower and increases the production cost.

How to realize an unmanned on duty mode when the vehicle loads and unloads goods and crosses pound, the equipment that realizes the reason suggestion of crossing pound through punching the card is the technical problem that needs to solve at present.

SUMMERY OF THE UTILITY MODEL

The purpose of the present invention is to solve at least one of the technical drawbacks.

Therefore, the utility model aims at providing an unmanned on duty is weighed and is punched-card rack.

In order to achieve the above object, an embodiment of the utility model provides an unmanned on duty is weighed and is brushed rack, include: an AC-DC conversion module, a serial server, an IC card swiping module, an LED control card and an LED display screen, wherein,

the AC-DC conversion module includes: the input end of the first AC-DC conversion circuit is connected with commercial power alternating current, the output end of the first AC-DC conversion circuit is connected with the serial server and the IC card swiping module, the accessed commercial power alternating current is converted into direct current with various voltage amplitudes and then is output to the serial server and the IC card swiping module, the input end of the second AC-DC conversion circuit is connected with the commercial power alternating current, the output end of the second AC-DC conversion circuit is connected with the LED control card and the LED display screen, and the accessed commercial power alternating current is converted into the direct current with various voltage amplitudes and then is output to the LED control card and the LED display screen;

the serial server comprises: power source, RJ45 interface, multiunit RS485/422 interface and multiunit RS232 interface, wherein, power source with AC-DC conversion module's output is connected, and is a set of RS485/422 interface with IC card swiping module connects, and is a set of RS232 interface with the LED control card is connected, the LED control card further through 16 needle communication winding displacement with the LED display screen is connected.

Further, still include: a fan connected to an input of the first AC-DC conversion circuit.

Further, the serial server is accessed with the 24V direct current output by the first AC-DC conversion circuit, the IC card swiping module is accessed with the 15V direct current output by the first AC-DC conversion circuit, and the LED control card and the LED display screen are accessed with the 5V direct current output by the second AC-DC conversion circuit.

Further, the IC card swiping module adopts an RFID card reader.

Further, the first AC-DC conversion circuit adopts an AC-DC switching power supply with model number PMP 4419; the second AC-DC conversion circuit adopts a switching power supply with the model number GS 276D.

Further, the serial port server adopts a serial port communication server with the model number of Linknet 1032.

According to the utility model discloses unmanned on duty is crossed pound and is punched card rack installs the position of crossing pound in the factory, and through setting up serial servers and IC card module, LED control card, LED display screen of punching card, realize unmanned on duty, when the vehicle need go on the pound, the driver swipes the card by oneself, shows outgoing information and carries out the suggestion by LED control card and LED display screen. In the whole weighing process, a driver can finish the weighing process by self without arranging special personnel to carry out monitoring management operation, unattended operation is realized, and the labor cost is saved. And, the utility model provides a serial port server is provided with multiple type interface, can insert multiple external device, and the expansibility is good.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a block diagram of an unattended weighing card swiping cabinet according to an embodiment of the invention;

fig. 2 is a power connection diagram of an unattended weighing card swiping cabinet according to an embodiment of the invention;

fig. 3 is a circuit diagram of a first AC-DC conversion module according to the present invention;

fig. 4 is a circuit diagram of a second AC-DC conversion module according to the present invention;

fig. 5 is a circuit diagram of an LED control card according to the present invention.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and 2, the utility model discloses unmanned on duty weighing card rack of punching card of embodiment includes: the system comprises an AC-DC conversion module, a serial server 1, an IC card swiping module 2, an LED control card 3 and an LED display screen 4.

Specifically, the AC-DC conversion module includes: the device comprises a first AC-DC conversion circuit and a second AC-DC conversion circuit, wherein the input end of the first AC-DC conversion circuit is connected with commercial power alternating current, the output end of the first AC-DC conversion circuit is connected with the serial server 1 and the IC card swiping module 2, and the commercial power alternating current is converted into direct current with various voltage amplitudes and then is output to the serial server 1 and the IC card swiping module 2. The input end of the second AC-DC conversion circuit is connected with commercial power alternating current, the output end of the second AC-DC conversion circuit is connected with the LED control card 3 and the LED display screen 4, and the commercial power alternating current is converted into direct current with various voltage amplitudes and then is output to the LED control card 3 and the LED display screen 4.

In an embodiment of the present invention, the present invention further includes: and the fan 5 is connected with the input end of the first AC-DC conversion circuit 5.

In the embodiment of the present invention, the first AC-DC conversion circuit adopts an AC-DC switching power supply with model number PMP 4419; the second AC-DC conversion circuit employs a switching power supply model GS 276D.

Fig. 3 is a circuit diagram of the first AC-DC conversion circuit. As shown in fig. 3, the first AC-DC conversion circuit supports a universal alternating current input (90-264VAC), and employs an isolated switch mode power adapter, which has the following characteristics:

the AC input range is as follows: 90-264V AC;

and (3) direct current output: 5V-24V DC;

maximum ripple <150mVP _ P.

The first AC-DC conversion circuit shown in fig. 3 can convert the AC power of the accessed commercial power into the DC power required by the serial server 1 and the IC card swiping module 2, so as to supply power.

Specifically, the serial server 1 accesses the 24V direct current output by the first AC-DC conversion circuit, and the IC card swiping module 2 accesses the 15V direct current output by the first AC-DC conversion circuit.

Fig. 4 is a circuit diagram of a second AC-DC conversion circuit. As shown in fig. 4, the second AC-DC conversion circuit is a current mode PWM control chip with model GS276D, which is started at high voltage of 700V, has a built-in fixed operating frequency of 65kHz and ultra-low standby power consumption of 30mW, and is suitable for an off-line switching power supply in a full voltage range within 15W. GS276D can automatically enter a green mode and a Burst mode under the conditions of light load and no load, the standby power consumption of the power supply module is effectively reduced, and the energy efficiency six-level standard requirement is met. The GS276D is internally provided with a synchronous slope compensation circuit, and the dynamic peak limiting circuit reduces the change of the maximum output power when a wide voltage is input; GS276D has built-in multiple protection functions, and totem-pole and soft drive adopted by the drive output can effectively reduce the switching noise and more easily obtain good EMI performance.

The utility model discloses in, LED control card 3 and LED display screen 4 insert the 5V direct current by the output of second AC-DC converting circuit. Fig. 5 is a circuit diagram of an LED control card according to the present invention.

Referring to fig. 2, the serial server 1 includes: the LED card comprises a power supply interface, RJ45 interfaces, multiple groups of RS485/422 interfaces and multiple groups of RS232 interfaces, wherein the power supply interface is connected with the output end of an AC-DC conversion module, one group of RS485/422 interfaces is connected with an IC card swiping module 2, one group of RS232 interfaces is connected with an LED control card 3, and the LED control card 3 is further connected with an LED display screen 4 through a 16-pin communication flat cable.

The utility model discloses an in the embodiment, serial servers adopts the model to be Linknet 1032 serial ports communication server. The serial server has 10M/100M self-adaptive network ports, 32 RS232 or RS422/485 interfaces, a high-performance processor and a large memory space, and can set parameters by using a WEB browser.

In an embodiment of the present invention, the IC card swiping module 2 adopts an RFID card reader.

Specifically, the serial server 1 accesses 24V direct current output by the AC-DC conversion module, the IC card swiping module 2 accesses 15V direct current output by the AC-DC conversion module, and the LED control card 3 and the LED display screen 4 access 5V direct current output by the AC-DC conversion module.

The following explains the working principle of the unattended weighing card swiping cabinet provided by the embodiment of the utility model:

the AC-DC conversion module is connected with commercial power alternating current and converts the commercial power alternating current into direct current required by each subsequent hardware unit. The AC-DC conversion module is provided with the fan to dissipate heat, so that the AC-DC conversion module can work normally and efficiently. When the vehicle enters the factory and moves to the position where the goods are weighed, the driver swipes the IC card through the IC card swiping module, and the vehicle and the driver information are bound in the IC card. After receiving the information returned by the IC card swiping module, the serial server sends a control signal to the LED control card 5, the LED control card 5 further sends a display control signal to the LED display screen 6, and the serial server controls the LED display screen 6 to display the information of the vehicle and the related weighing information returned by the weighing scale after weighing and send related prompt operation to judge whether the package needs to be supplemented or not, so that the whole weighing circulation process is completed.

According to the utility model discloses unmanned on duty is crossed pound and is punched card rack installs the position of crossing pound in the factory, and through setting up serial servers and IC card module, LED control card, LED display screen of punching card, realize unmanned on duty, when the vehicle need go on the pound, the driver swipes the card by oneself, shows outgoing information and carries out the suggestion by LED control card and LED display screen. In the whole process, a driver can finish the operation by self without arranging special personnel for monitoring management operation, unattended operation is realized, and labor cost is saved. And, the utility model provides a serial port server is provided with multiple type interface, can insert multiple external device, and the expansibility is good.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (6)

1. An unattended weighing card swiping cabinet, comprising: an AC-DC conversion module, a serial server, an IC card swiping module, an LED control card and an LED display screen, wherein,

the AC-DC conversion module includes: the input end of the first AC-DC conversion circuit is connected with commercial power alternating current, the output end of the first AC-DC conversion circuit is connected with the serial server and the IC card swiping module, the accessed commercial power alternating current is converted into direct current with various voltage amplitudes and then is output to the serial server and the IC card swiping module, the input end of the second AC-DC conversion circuit is connected with the commercial power alternating current, the output end of the second AC-DC conversion circuit is connected with the LED control card and the LED display screen, and the accessed commercial power alternating current is converted into the direct current with various voltage amplitudes and then is output to the LED control card and the LED display screen;

the serial server comprises: power source, RJ45 interface, multiunit RS485/422 interface and multiunit RS232 interface, wherein, power source with AC-DC conversion module's output is connected, and is a set of RS485/422 interface with IC card swiping module connects, and is a set of RS232 interface with the LED control card is connected, the LED control card further through 16 needle communication winding displacement with the LED display screen is connected.

2. The unattended weighing card swiping cabinet of claim 1, further comprising: a fan connected to an input of the first AC-DC conversion circuit.

3. The unattended weighing card swiping cabinet of claim 1, wherein the serial server accesses 24V direct current output by the first AC-DC converting circuit, the IC card swiping module accesses 15V direct current output by the first AC-DC converting circuit, and the LED control card and the LED display screen access 5V direct current output by the second AC-DC converting circuit.

4. The unattended weighing card swiping cabinet of claim 1, wherein the IC card swiping module employs an RFID card reader.

5. The unattended weighing card swiping cabinet of claim 1, wherein the first AC-DC conversion circuit employs an AC-DC switching power supply model PMP 4419; the second AC-DC conversion circuit adopts a switching power supply with the model number GS 276D.

6. The unattended weighing card swiping cabinet of claim 1, wherein the serial port server is a Linknet 1032 serial port communication server.

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