CN215321546U - Printer auxiliary device - Google Patents
Printer auxiliary device Download PDFInfo
- Publication number
- CN215321546U CN215321546U CN202120899884.4U CN202120899884U CN215321546U CN 215321546 U CN215321546 U CN 215321546U CN 202120899884 U CN202120899884 U CN 202120899884U CN 215321546 U CN215321546 U CN 215321546U
- Authority
- CN
- China
- Prior art keywords
- module
- pin
- temperature
- chip
- printer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 10
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The utility model discloses an auxiliary device of a printer, wherein a fixed support is arranged on two sides of a main shell, a measuring polar plate is arranged on the side surface of the main shell, a temperature and humidity monitoring module is connected with the input end of an embedded chip, the output end of an oscillating circuit is connected with the input end of the embedded chip, the input end of the oscillating circuit is connected with two poles of the measuring polar plate, an alarm reminding module and a liquid crystal display module are connected with the output end of the embedded chip, and a power supply module supplies power to the embedded chip, the oscillating circuit module, the temperature and humidity monitoring module, the alarm reminding module and the liquid crystal display module. The utility model is simple to build, and only needs the fixing bracket to be clamped and installed at the printing paper placing opening. The printer is humanized in function, and can improve the paper jam fault caused by paper shortage and high temperature of the printer and the fault that the printing paper is placed excessively and is easy to be wet.
Description
Technical Field
The utility model relates to the technical field of electronic instruments and meters, in particular to an auxiliary device of a printer.
Background
Printers are widely used in our lives, and are essentially required to be used particularly at work. In the modern social environment, the requirements on equipment are higher and higher. When people use the printer, the problems of paper shortage, high-temperature pause, excessive printing paper placement, easy moisture and the like of the printer are easy to occur. It is desirable to ensure that the amount of printing paper placed in the printer before printing is sufficient, to facilitate use and to avoid paper shortage failures, and to avoid paper surface wetting by not having to be excessive after printing is completed the day. It is also desirable to predict the printer temperature status to avoid excessive temperature operating pauses that can cause paper jams. Therefore, it is necessary to design a portable printer auxiliary device with low power consumption, high precision and multiple functions, which can realize counting of printing paper, real-time temperature monitoring and humidity protection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to make up for the defects of the prior art and provides an auxiliary device of a printer.
The utility model is realized by the following technical scheme:
the utility model provides a printer auxiliary device, is including main casing body, fixed bolster, measurement polar plate, embedded chip, power module, oscillating circuit, temperature and humidity monitoring module, warning module and liquid crystal display module, fixed bolster fixed mounting is in main casing body both sides bottom, it fixes on a side of main casing body to measure the polar plate, temperature and humidity monitoring module with the input of embedded chip is connected, oscillating circuit's output is connected with the input of embedded chip, oscillating circuit's input is connected with the measurement polar plate two poles of the earth, warning module and liquid crystal display module all with the output of embedded chip is connected, power module supply extremely embedded chip, oscillating circuit, temperature and humidity monitoring module, warning module and liquid crystal display module.
The measuring polar plate adopts a solid copper plate.
The model of the embedded chip adopts STM32F103C8T 6.
The power supply module provides +5V and +3.3V direct current voltage.
The oscillation circuit adopts an NE555 chip.
The temperature and humidity monitoring module adopts a temperature and humidity sensor DHT 11.
The alarm reminding module adopts an active buzzer.
The liquid crystal display module adopts a Liquid Crystal Display (LCD) 1602.
The utility model has the advantages that:
1. the embedded chip STM32F103C8T6 adopted by the utility model is used as a 32-bit microprocessor, has low power consumption and strong computing capability, and can ensure the precision of measuring the change of the tiny amount of paper.
2. The oscillation circuit for measuring the number of the printing paper selects the NE555 chip, and the formed measuring circuit has low cost, simple operation and stable measurement.
3. The utility model is simple to build, and only needs the fixing bracket to be clamped and installed at the printing paper placing opening.
4. The printer is humanized in function, and can improve the paper jam fault caused by paper shortage and high temperature of the printer and the fault that the printing paper is placed excessively and is easy to be wet.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an overall circuit diagram of the present invention.
Detailed Description
As shown in figure 1, the printer auxiliary device comprises a main shell 1, a fixed support 2, a measuring polar plate 3, an embedded chip 4, a power module 5, an oscillating circuit 6, a temperature and humidity monitoring module 7, an alarm reminding module 8 and a liquid crystal display module 9, wherein the fixed support 2 is fixedly arranged at the bottoms of two sides of the main shell 1, the measuring polar plate 3 is fixed on one side surface of the main shell 1, the temperature and humidity monitoring module 7 is connected with the input end of the embedded chip 4, the output end of the oscillating circuit 6 is connected with the input end of the embedded chip 4, the input end of the oscillating circuit 6 is connected with two electrodes of the measuring polar plate 3, the alarm reminding module 8 and the liquid crystal display module 9 are both connected with the output end of the embedded chip 4, and the power module 5 supplies power to the embedded chip 4, The temperature and humidity monitoring system comprises an oscillating circuit 6, a temperature and humidity monitoring module 7, an alarm reminding module 8 and a liquid crystal display module 9. Embedded chip 4, power module 5, oscillating circuit 6, warning remind module 8, install inside main casing body 1, liquid crystal display module 9 is installed at main casing body 1 leading flank, and temperature and humidity monitoring module 7 is installed at main casing body 1 top.
In the utility model, the fixing bracket 2 adopts a clamping design, is simple to build and is easy to install.
The measuring polar plate 3 adopts a solid copper plate, and has the advantage of good conductivity and little influence on a measuring result.
The model STM32F103C8T6 adopted by the embedded chip 4 is a 32-bit microprocessor, has low power consumption and strong computing capability, and can ensure the precision of the measurement of the tiny change of the number of paper sheets.
The power module 5 is powered by a common battery, has low price and portable use, and can provide +5V and +3.3V direct-current voltage after voltage conversion.
The oscillation circuit module 6 adopts an NE555 chip, the NE555 chip has the advantages of small size, light weight, stability, reliability, wide operation power supply range, strong current supply capability of an output end, high timing accuracy, good temperature stability and low price.
The temperature and humidity monitoring module 7 adopts a temperature and humidity sensor DHT11, is a temperature and humidity composite sensor with calibrated digital signal output, and has the advantages of excellent quality, ultrafast response, strong anti-interference capability, extremely high cost performance and the like.
The alarm reminding module 8 adopts a piezoelectric buzzer, and has the characteristics of small volume, high sensitivity, power saving, good reliability, low manufacturing cost and good frequency characteristic.
The liquid crystal display module 9 adopts a Liquid Crystal Display (LCD) 1602, 64 multiplied by 16 display units on the display screen can display 32 characters in total, and has the characteristics of high display quality, small volume, light weight and low power consumption.
As shown in fig. 2, the specific connection mode of the whole circuit is as follows: the pin 1 of the voltage-stabilizing chip AMS1117 is grounded, the pin 2 of the voltage-stabilizing chip AMS1117 outputs +3.3V direct-current voltage, the pin 3 of the voltage-stabilizing chip AMS1117 is grounded by a capacitor of 10uF in parallel with a capacitor of 0.1uF, the pin 2 of the voltage-stabilizing chip AMS1117 is grounded by a capacitor of 10uF in parallel with a capacitor of 0.1uF, the pin 1, the pin 24, the pin 36 and the pin 48 of the chip STM32F103C8T6 are grounded, the pin 23, the pin 35 and the pin 47 of the chip STM32F103C8T6 are grounded, the pin 3 of the chip STM32F103C8T6 is grounded by a pin 2 of the crystal oscillator Y2 and grounded by a capacitor of 20pf, the pin 4 of the chip STM32F103C8T6 is grounded by the pin 1 of the crystal oscillator Y2 and grounded by a capacitor of 20pf, the pin 6 of the chip STM32F103C8T6 is grounded by a resistor of 20pf 3T 3 and a pin 368T 6 and a resistor of 20p 3K 4933K 3 and a resistor of the chip STM32F 3T 3 is grounded by a pin 3K 3, the other end of the chip is connected with a switch key1 in parallel through a 0.1uF capacitor to form a reset circuit, a pin 10 of an STM32F103C8T6 chip is connected with a pin 4 of an NE555 chip, a pin 11 of the STM32F103C8T6 chip is connected with a pin 3 of the NE555 chip, a pin 1 of the NE555 chip is grounded, a pin 2 of the NE555 chip is connected with a pin 6 of the NE555 chip and is connected with a pin 1 of a polar plate, a pin 5 of the NE555 chip is grounded through a 0.01uF capacitor, a pin 8 of the NE555 chip is connected with +5V direct current voltage and is connected with a pin 1 of a 510K resistor in series through a 51K resistor, a pin 7 of the NE555 chip is connected with the middle of the 51K resistor and the 510K resistor, the pin 2 of the polar plate is grounded, the pin 20 of the STM32F103C8T6 chip is connected with the pin 4 of the BOOT through a 100K resistor, a corresponding pin 44 of the STM32F103C8T6 chip is connected with the pin 3 of the pin 3, the pin 3 is connected with the pin 3, the pin 3V 3, the LCD panel is grounded through a pin 1602K resistor, the LCD panel, the pin 6 of the LCD panel is connected with the LCD panel, the pin 6 of the LCD panel, the LCD panel is connected with the LCD panel, the LCD panel is connected with the LCD panel, the LCD panel is connected with the LCD panel, the LCD panel is connected with the LCD panel, the LCD panel is connected with the LCD panel, the LCD panel is connected with the LCD panel, the LCD panel is connected, pin 2 of the LCD1602 is connected to +5V dc voltage, pin 3 of the LCD1602 is grounded through a 10K adjustable resistor, pin 4 of the LCD1602 is connected to pin 41 of the chip STM32F103C8T6, pin 5 of the LCD1602 is connected to pin 40 of the chip STM32F103C8T6, pin 6 of the LCD1602 is connected to pin 39 of the chip STM32F103C8T6, pin 7, pin 8, pin 9, pin 10, pin 11, pin 12, pin 13, and pin 14 of the LCD1602 are connected to pin 33, pin 32, pin 31, pin 30, pin 29, pin 28, pin 27, and pin 26 of the chip STM32F103C8T6, pin 15 of the LCD1602 is connected to +5V dc voltage, pin 16 of the LCD1602 is grounded, pin 25 of the chip STM32F103C8T6 is connected to the base of a 1K resistor, pin 2 of a diode is connected to the emitter of the 1K resistor, and a buzzer is connected to the collector of the diode, pin 1 of the buzzer is connected with +3.3V direct-current voltage, pin 34 of chip STM32F103C8T6 is connected with pin 3 of ISP-COM downloader LINK, pin 37 of chip STM32F103C8T6 is connected with pin 4 of ISP-COM downloader LINK, pin 1 of ISP-COM downloader LINK is connected with +3.3V direct-current voltage, pin 2 of ISP-COM downloader LINK is grounded, pin 42 of chip STM32F103C8T6 is connected with pin 2 of temperature and humidity sensor DHT11 and is connected with +5V direct-current voltage through 4.7K pull-up resistor, pin 3 of temperature and humidity sensor DHT11 is grounded, and pin 1 of temperature and humidity sensor DHT11 is connected with +5V direct-current voltage.
The working principle of the utility model is as follows: the device is arranged at a paper storage inlet of a printer, so that printing paper can fall between the measuring polar plates 3 completely, the upper measuring polar plate of the device is an active polar plate and can naturally clamp the stored printing paper, at the moment, the metal polar plates are used as capacitors to be connected into an NE555 oscillating circuit 6, an NE555 chip inputs generated square signals into an STM32F103C8T6 through serial ports as digital signals, capacitance data is obtained through the operation processing of the relation between the oscillation frequency of the square signals generated by the NE555 and the capacitors, and the paper thickness interval is calculated through capacitance parameters, so that the paper data is logically determined and displayed in real time by a liquid crystal display (LCD 1602). The temperature and humidity sensor DHT11 is used for measuring printer temperature data and humidity data, inputting the printer temperature data and humidity data into the STM32F103C8T6 through serial signals to calculate output data, and displaying the output data on the liquid crystal display LCD1602 in real time. And alarming when the temperature measured value is close to the high-temperature pause operation temperature or the humidity is higher than a preset value.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications and changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. An auxiliary device for a printer, characterized in that: including main casing body, fixed bolster, measurement polar plate, embedded chip, power module, oscillating circuit, temperature and humidity monitoring module, warning module and liquid crystal display module, fixed bolster fixed mounting is in main casing body both sides bottom, measure the polar plate and fix on a side of the main casing body, temperature and humidity monitoring module with the input of embedded chip is connected, oscillating circuit's output is connected with the input of embedded chip, oscillating circuit's input is connected with the measurement polar plate two poles of the earth, warning remind module and liquid crystal display module all with the output of embedded chip is connected, power module supply extremely embedded chip, oscillating circuit, temperature and humidity monitoring module, warning remind module and liquid crystal display module.
2. A printer accessory as claimed in claim 1, characterised in that: the measuring polar plate adopts a solid copper plate.
3. A printer accessory as claimed in claim 1, characterised in that: the model of the embedded chip adopts STM32F103C8T 6.
4. A printer accessory as claimed in claim 1, characterised in that: the power supply module provides +5V and +3.3V direct current voltage.
5. A printer accessory as claimed in claim 1, characterised in that: the oscillation circuit adopts an NE555 chip.
6. A printer accessory as claimed in claim 1, characterised in that: the temperature and humidity monitoring module adopts a temperature and humidity sensor DHT 11.
7. A printer accessory as claimed in claim 1, characterised in that: the alarm reminding module adopts an active buzzer.
8. A printer accessory as claimed in claim 1, characterised in that: the liquid crystal display module adopts a Liquid Crystal Display (LCD) 1602.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120899884.4U CN215321546U (en) | 2021-04-28 | 2021-04-28 | Printer auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120899884.4U CN215321546U (en) | 2021-04-28 | 2021-04-28 | Printer auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215321546U true CN215321546U (en) | 2021-12-28 |
Family
ID=79596625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120899884.4U Expired - Fee Related CN215321546U (en) | 2021-04-28 | 2021-04-28 | Printer auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215321546U (en) |
-
2021
- 2021-04-28 CN CN202120899884.4U patent/CN215321546U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101593965B (en) | Intelligent low-voltage motor protector with function of electric energy measurement | |
| CN102419200A (en) | Improved electronic scale | |
| CN206740889U (en) | Electrical equipment supportability tester | |
| CN215321546U (en) | Printer auxiliary device | |
| CN201126431Y (en) | Detection apparatus for gasoline octane rating | |
| CN208350194U (en) | A kind of lift weighing structure | |
| CN110991599A (en) | Paper counting display device | |
| CN206097305U (en) | IC -card industry intelligent monitoring gas table controller | |
| CN202304969U (en) | Improved electronic scale | |
| CN2213683Y (en) | Rock periodic automatic determine instrument of shipping | |
| CN101763126A (en) | Wide-temperature control device for LCD (liquid crystal display) | |
| CN201392255Y (en) | Ultrasonic-wave calorimeter integrating measurement of flow rate and temperature | |
| CN211979051U (en) | Capacitance detector | |
| CN111366888A (en) | Intelligent electric energy meter field metering fault rapid detection method and detection device body | |
| CN201489839U (en) | Power down zero returning circuit of stepping motor for meter | |
| CN103487638B (en) | A kind of accumulator low voltage test alarm method | |
| CN220367347U (en) | Single-phase electric parameter measuring instrument | |
| CN209623938U (en) | A kind of digital display manometer used for automobile air conditioning | |
| CN210178558U (en) | Automobile vacuum pump detection device | |
| CN218412834U (en) | Battery detection device | |
| CN204256039U (en) | A kind of voltage check device | |
| CN219978181U (en) | Humidity display equipment | |
| CN213067825U (en) | Oil liquid detection equipment | |
| CN221037604U (en) | Water intake metering device | |
| CN203116841U (en) | Liquid crystal display instrument of belt weigher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |