Bill printing control device
By designing the bill printing control device, including the core control board and communication module, the problem of high failure rate of the TVM bill printer control board is solved, and the effect of reducing the equipment scrap rate and improving the printing quality is achieved.
Patent Information
- Application Number
- CN202420996983.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-09
AI Technical Summary
Due to the aging and high failure rate of control board of existing TVM bill printers, it is difficult to repair and high failure rate, which affects normal operation and has high replacement cost.
A bill printing control device is designed, including a core control board, power supply module, first indication circuit, memory, reset circuit and TTL-RS232 serial communication module, adopts a new process chip and an integrated power module, and the core control board is equipped with The main chip U3 and the communication chip U2 are used for level conversion and have a complete circuit diagram for easy self-maintenance.
It reduces the scrap rate of equipment, improves printing speed, low noise, reliability and print quality, reduces daily maintenance work, and eliminates replacement costs.
Smart Images
Figure CN222202079U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of control panels, and in particular relates to a bill printing control device. Background Art
[0002] After the existing TVM receipt printer has been used for a long time, due to serious equipment aging, high difficulty in maintenance, high failure rate and high replacement cost, a failure in the printer control board will cause the receipt printing to fail normally, affecting the normal operation of the TVM, and the control board failure is not easy to repair. Utility Model Content
[0003] The utility model aims to solve the above technical problems at least to a certain extent. To this end, the utility model aims to provide a bill printing control device.
[0004] The technical solution adopted by the utility model is:
[0005] A bill printing control device, comprising:
[0006] The core control board is provided with a main chip U3;
[0007] Power module, used to convert DC 5V to DC 3.3V;
[0008] A first indication circuit, the first indication circuit comprises a first indicator LED1 and a first resistor R1 connected in series;
[0009] Memory, the memory includes a memory chip U4;
[0010] A reset circuit, the reset circuit includes a reset button RES1;
[0011] The core control board is electrically connected to the thermal print head, the power module, the first indication circuit, the memory, the flash memory chip, the asynchronous transceiver and the reset circuit respectively.
[0012] Preferably, the ticket printing control device also includes a TTL-RS232 serial communication module, which includes a communication chip U2, and the communication chip U2 is used to realize the mutual conversion between TTL / COMS level and RS232 level; the data input and output ends of the communication chip U2 are connected and provided with an indicator light for indicating the data transmission and reception status.
[0013] Preferably, the R1OUT port of the communication chip U2 is connected to a second indication circuit, and the second indication circuit includes a second indicator LED2 and a second resistor R2 connected in series.
[0014] Preferably, the T1IN port of the communication chip U2 is connected to a third indication circuit, and the third indication circuit includes a third indicator LED3 and a third resistor R3 connected in series.
[0015] The beneficial effects of the utility model are:
[0016] The utility model provides a receipt printing control device, which is independently developed by the applicant and has a complete circuit diagram, which can help to carry out independent maintenance work and reduce the equipment scrapping rate; at the same time, it has the characteristics of fast printing speed, low noise, good reliability, high printing quality, no need for ribbons, etc., eliminating the trouble of daily maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the main chip of the utility model.
[0018] Figure 2 It is a schematic diagram of the power module of the utility model.
[0019] Figure 3 It is a schematic diagram of the first indicating circuit of the utility model.
[0020] Figure 4 It is a schematic diagram of the memory of the utility model.
[0021] Figure 5 It is a schematic diagram of the reset circuit of the utility model.
[0022] Figure 6 It is a schematic diagram of the TTL-RS232 serial communication module of the utility model.
[0023] Figure 7 It is a schematic diagram of the second indicating circuit of the utility model.
[0024] Figure 8 It is a schematic diagram of the third indicating circuit of the utility model. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, but not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] It should be understood that it should also be noted that in the embodiment, the functions / actions that appear may be different from the order in which the drawings appear. For example, depending on the functions / actions involved, they can actually be executed substantially concurrently, or two figures shown in succession can sometimes be executed in the reverse order.
[0027] like Figures 1 to 8 As shown, a bill printing control device of the present embodiment includes a core control board, a power module, a first indication circuit, a memory, a flash memory chip, an asynchronous transceiver, a reset circuit and a TTL-RS232 serial communication module, wherein a main chip U3 is provided on the core control board; the power module is used to convert DC 5V to DC 3.3V and transmit it to the core control board; the first indication circuit is used to indicate the working status, including a first indicator light LED1 and a first resistor R1 connected in series; the memory includes a storage chip U4; the reset circuit is used to restart and reset the control device after it crashes, including a reset button RES1; the core control board is electrically connected to the thermal print head, the power module, the first indication circuit, the memory, the flash memory chip, the asynchronous transceiver and the reset circuit respectively, and the bill printing control device can receive TVM control instructions and realize bill printing through the thermal print head.
[0028] like Figures 6 to 8 As shown, the TTL-RS232 serial communication module includes a communication chip U2, which is used to realize the mutual conversion between TTL / COMS level and RS232 level; the data input and output ends of the communication chip U2 are connected with indicator lights for indicating the data receiving and sending status.
[0029] Specifically, the R1OUT port of the communication chip U2 is connected to the second indication circuit, which includes a second indicator light LED2 and a second resistor R2 connected in series; the T1IN port of the communication chip U2 is connected to the third indication circuit, which includes a third indicator light LED3 and a third resistor R3 connected in series.
[0030] The ticket printing control device uses new process chips, integrated power modules and other devices. The selected devices have low heat power and more stable operation. Specifically, the main chip U3 is an STM32F103 microcontroller, which uses the Cortex-M3 core, the CPU has a maximum speed of 72MHz, and has 16KB~1MB Flash, multiple control peripherals, USB full-speed interface and CAN. The TTL-RS232 serial communication module is used to realize serial communication. The communication chip U2 is an SP3232EEN chip, which has a wide operating voltage and is compatible with 3.3V and 5V systems.
[0031] The present utility model is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.
Claims
1. A ticket printing control device, characterized in that: include: The core control board is provided with a main chip U3; Power module, used to convert DC 5V to DC 3.3V; A first indication circuit, the first indication circuit comprises a first indicator LED1 and a first resistor R1 connected in series; Memory, the memory includes a memory chip U4; A reset circuit, the reset circuit includes a reset button RES1; The core control board is electrically connected to the thermal print head, the power module, the first indication circuit, the memory, the flash memory chip, the asynchronous transceiver and the reset circuit respectively.
2. The ticket printing control device according to claim 1, characterized in that: It also includes a TTL-RS232 serial communication module, which includes a communication chip U2. The communication chip U2 is used to realize the mutual conversion between TTL / COMS level and RS232 level; the data input and output ends of the communication chip U2 are connected with an indicator light for indicating the data transmission and reception status.
3. The ticket printing control device according to claim 2, characterized in that: The R1OUT port of the communication chip U2 is connected to the second indication circuit, and the second indication circuit includes a second indicator LED2 and a second resistor R2 connected in series.
4. The ticket printing control device according to claim 2, characterized in that: The T1IN port of the communication chip U2 is connected to a third indication circuit, and the third indication circuit includes a third indicator LED3 and a third resistor R3 connected in series.