CN213734218U - Soft switching circuit applied to online inkjet printer - Google Patents
Soft switching circuit applied to online inkjet printer Download PDFInfo
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- CN213734218U CN213734218U CN202022386592.9U CN202022386592U CN213734218U CN 213734218 U CN213734218 U CN 213734218U CN 202022386592 U CN202022386592 U CN 202022386592U CN 213734218 U CN213734218 U CN 213734218U
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Abstract
The utility model relates to an ink jet numbering machine technical field for a be applied to soft switch machine circuit on online ink jet numbering machine, including point-contact reset switch, singlechip, field effect transistor and triode, field effect transistor ' S G level is connected with the collecting electrode of triode, the basic level of triode is connected with the GPIO mouth of singlechip, field effect transistor ' S D level voltage output end is used for supplying 5V electricity for the ink jet numbering machine power to through vary voltage module with the singlechip power end electricity is connected, field effect transistor ' S S level and 16.8V power are connected. The shutdown delay of the ink-jet printer is controlled by the matching use of the singlechip, the field effect tube and the triode, so that the cache data in the memory can be stored before the power failure of the operating system. The method can effectively reduce the loss probability of the operating system program when the online ink-jet printer is shut down, and can avoid the situation that a user mistakenly touches a power switch to cause abnormal power failure and damage of a hardware circuit when the online ink-jet printer works.
Description
Technical Field
The utility model relates to an ink jet numbering machine technical field, concretely relates to be applied to soft switch circuit on online ink jet numbering machine.
Background
The traditional online inkjet printer controls the on-off of the device through a mechanical switch button. Its disadvantages are mainly two-fold: the main power supply is directly disconnected when a power switch key is pressed, so that power supply of each branch of the circuit is closed, the real-time cache data of the operating system cannot be effectively stored by the memory, and the fault probability that the main control program is lost and cannot enter the desktop of the system is quite high when the computer is started again. The second disadvantage is that when the online inkjet printer is in printing operation, a user mistakenly touches the power switch, which causes abnormal power failure of the online inkjet printer, and surge current is generated under the condition, which causes damage to hardware circuits.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be applied to soft on-off circuit on online ink jet numbering machine has solved above the technical problem of the circuit damage that hard shutdown caused.
The utility model provides a solve above-mentioned technical problem and provide a be applied to soft switch machine circuit on online ink jet numbering machine, including point contact reset switch, singlechip, field effect transistor and triode, the G level of field effect transistor is connected with the collecting electrode of triode, the basic level of triode is connected with the GPIO mouth of singlechip, the D level voltage output end of field effect transistor is used for supplying 5V electricity for the ink jet numbering machine power to through vary voltage module with the singlechip power end electricity is connected, the S level and the 16.8V power of field effect transistor are connected, point contact reset switch P2 one end is connected with power ground wire, and one end is connected with the GPIO mouth of singlechip after concatenating the diode.
Preferably, the voltage transformation module comprises an MP2225 switching power supply chip, IN pins of the MP2225 switching power supply chip are both connected with the D-stage voltage output terminal of the field effect transistor, and a SW pin and an FB pin of the MP2225 switching power supply chip are connected IN parallel and then output 5V to the power supply terminal of the single chip microcomputer.
Preferably, the model of the single chip microcomputer is ACL16_ QFN40, and an ACL16_ GPIO5 pin of the ACL16_ QFN40 is connected with an EN/SYNC pin of the MP2225 switching power supply chip through a 100R resistor.
Preferably, the type of the field effect transistor is IRF7328 TRBF.
Preferably, the model of the triode is S9014, and the base stage of the S9014 is connected in series with a 10K resistor and then is electrically connected with an ACL _16GPIO7 pin of the singlechip.
Preferably, the pin G1 of the IRF7328TRPBF is connected in series with 100K and then connected with a 16.8V power supply, and the pin G2 is connected in series with a 47K resistor and then connected with the collector of the triode.
Has the advantages that: the utility model provides a be applied to soft on-off circuit on online ink jet numbering machine, including point-contact reset switch, singlechip, field effect transistor and triode, field effect transistor ' S G level is connected with the collecting electrode of triode, the basic level of triode is connected with the GPIO mouth of singlechip, field effect transistor ' S D level voltage output is used for supplying 5V electricity for the ink jet numbering machine power to through vary voltage module with singlechip power end electricity is connected, field effect transistor ' S S level and 16.8V power are connected. The shutdown delay of the ink-jet printer is controlled by the matching use of the singlechip, the field effect tube and the triode, so that the cache data in the memory can be stored before the power failure of the operating system. The method can effectively reduce the loss probability of the operating system program when the online ink-jet printer is shut down, and can avoid the situation that a user mistakenly touches a power switch to cause abnormal power failure and damage of a hardware circuit when the online ink-jet printer works.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a power supply diagram of an inkjet printer power supply of a soft switching circuit applied to an online inkjet printer;
fig. 2 is a circuit diagram of a point-contact reset switch of a soft switching circuit applied to an online inkjet printer;
fig. 3 is a circuit diagram of a voltage transformation module of a soft switching circuit applied to an online inkjet printer;
fig. 4 is a pin diagram of a single chip microcomputer of a soft switching circuit applied to an online inkjet printer;
fig. 5 is the utility model discloses be applied to each module and the singlechip pin connecting circuit summary chart of the soft switch circuit on the online ink jet numbering machine.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, the utility model provides a be applied to soft switch machine circuit on online ink jet numbering machine, including point-contact reset switch, singlechip, field effect transistor and triode, the G level of field effect transistor is connected with the collecting electrode of triode, the basic grade of triode is connected with the GPIO mouth of singlechip, the D level voltage output end of field effect transistor is used for supplying 5V electricity for the ink jet numbering machine power to through vary voltage module with singlechip power end electricity is connected, the S level and the 16.8V power of field effect transistor are connected. The shutdown delay of the ink-jet printer is controlled by the matching use of the singlechip, the field effect tube and the triode, so that the cache data in the memory can be stored before the power failure of the operating system. The method can effectively reduce the loss probability of the operating system program when the online ink-jet printer is shut down, and can avoid the situation that a user mistakenly touches a power switch to cause abnormal power failure and damage of a hardware circuit when the online ink-jet printer works.
Preferably, the voltage transformation module comprises an MP2225 switching power supply chip, IN pins of the MP2225 switching power supply chip are both connected with a D-stage voltage output terminal of the field effect transistor, and a SW pin and an FB pin of the MP2225 switching power supply chip are connected IN parallel and then output 5V to a power supply terminal of the single chip microcomputer. The model of the single chip microcomputer is ACL16_ QFN40, and an ACL16_ GPIO5 pin of the ACL16_ QFN40 is connected with an EN/SYNC pin of the MP2225 switching power supply chip through a 100R resistor. The model of the field effect transistor is IRF7328 TRBF. The model of the triode is S9014, and the base of the S9014 is connected in series with a 10K resistor and then is electrically connected with an ACL _16GPIO7 pin of the singlechip. And the G1 pin of the IRF7328 TRBF is connected with a 16.8V power supply after being connected with 100K in series, and the G2 pin is connected with a 47K resistor and then is connected with the collector of the triode.
The specific working principle is as follows:
when the point contact type reset switch P2 is pressed, KEY is connected with GND, so that two pins G1 and G2 of the Q4 field effect transistor with the model number of IRF7328 TRBF obtain a low voltage of about 5V which is opposite to the pins S1 and S2 of the field effect transistor and 16.8V, the field effect transistor is conducted, 16.8V voltage is output by the D1, the D2, the D3 and the D4 to the switching power supply chip MP2225 to be converted into VCC5V voltage, the single chip microcomputer is powered, the singlechip starts to work, after the singlechip works, the ACL _ PCTL pin of the singlechip continuously outputs high level about 3.3V, so that the triode Q5 is continuously conducted to be connected with GND, therefore, two pins G1 and G2 of the Q4 FET continuously obtain a low voltage of about 5V which is 16.8V relative to the pins S1 and S2 of the FET, the field effect transistor is continuously conducted, the D1, the D2, the D3 and the D4 continuously output 16.8V voltage, and continuous power supply is provided for each branch of the online ink jet printer to enable the online ink jet printer to start.
When the online ink-jet printer needs to be shut down, a system shut-down key can be clicked through a liquid crystal screen human-computer interaction interface or a 3-second point-contact reset switch P2 is pressed for a long time, the ARM core of the online ink-jet printer stops running of all software firstly, cache data are stored in time, then the ACL _ PCTL pin level is pulled down by the single chip microcomputer, the triode Q5 is cut, the field effect transistor Q4 is cut, a 16.8V main power supply is cut off finally, and shutdown of the online ink-jet printer is achieved.
Has the advantages that: the utility model provides a be applied to soft on-off circuit on online ink jet numbering machine, including point-contact reset switch, singlechip, field effect transistor and triode, field effect transistor ' S G level is connected with the collecting electrode of triode, the basic level of triode is connected with the GPIO mouth of singlechip, field effect transistor ' S D level voltage output is used for supplying 5V electricity for the ink jet numbering machine power to through vary voltage module with singlechip power end electricity is connected, field effect transistor ' S S level and 16.8V power are connected. The shutdown delay of the ink-jet printer is controlled by the matching use of the singlechip, the field effect tube and the triode, so that the cache data in the memory can be stored before the power failure of the operating system. The method can effectively reduce the loss probability of the operating system program when the online ink-jet printer is shut down, and avoid the situation that the hardware circuit is damaged due to abnormal power failure caused by the mistaken touch of a user on a power switch during the operation of the online ink-jet printer
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a be applied to soft switch circuit on online ink jet numbering machine which characterized in that: the automatic code spraying machine comprises a point-contact reset switch, a single chip microcomputer, a field effect tube and a triode, wherein a G level of the field effect tube is connected with a collector electrode of the triode, a base level of the triode is connected with a GPIO port of the single chip microcomputer, a D level voltage output end of the field effect tube is used for supplying 5V power to a code spraying machine power supply and is electrically connected with a power supply end of the single chip microcomputer through a voltage transformation module, an S level of the field effect tube is connected with a 16.8V power supply, one end of the point-contact reset switch P2 is connected with a power ground wire, and the other end of the point-contact reset switch P2 is connected with the GPIO port of the single chip microcomputer after a diode is connected in series.
2. The soft switching circuit applied to the online inkjet printer according to claim 1, wherein the voltage transformation module comprises an MP2225 switching power chip, an IN pin of the MP2225 switching power chip is connected to a D-stage voltage output terminal of the fet, and an SW pin and an FB pin of the MP2225 switching power chip are connected IN parallel and then output 5V to the power supply terminal of the single chip microcomputer.
3. The soft switching circuit applied to the online inkjet printer as claimed in claim 2, wherein the model of the single chip microcomputer is ACL16_ QFN40, and the ACL16_ GPIO5 pin of the ACL16_ QFN40 is connected with the EN/SYNC pin of the MP2225 switching power supply chip through a 100R resistor.
4. The soft switching circuit applied to the online inkjet printer according to claim 3, wherein the type of the FET is IRF7328 TRBF.
5. The soft switching circuit applied to the online ink-jet printer according to claim 4, wherein the type of the triode is S9014, and the base stage of the S9014 is electrically connected with an ACL _16GPIO7 pin of the singlechip after being connected with a 10K resistor in series.
6. The soft switching circuit applied to an online inkjet printer according to claim 4, wherein the IRF7328 TRBF has a G1 pin connected in series with 100K to be connected to a 16.8V power supply, and a G2 pin connected in series with a 47K resistor to be connected to the collector of the triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386592.9U CN213734218U (en) | 2020-10-23 | 2020-10-23 | Soft switching circuit applied to online inkjet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022386592.9U CN213734218U (en) | 2020-10-23 | 2020-10-23 | Soft switching circuit applied to online inkjet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213734218U true CN213734218U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022386592.9U Active CN213734218U (en) | 2020-10-23 | 2020-10-23 | Soft switching circuit applied to online inkjet printer |
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| Country | Link |
|---|---|
| CN (1) | CN213734218U (en) |
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- 2020-10-23 CN CN202022386592.9U patent/CN213734218U/en active Active
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Address after: No. 02, 5 / F, block 7, Fenghuang Industrial Park, No. 52, Liufang Avenue, fozuling street, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee after: Wuhan Xiantong Technology Co.,Ltd. Address before: No. 02, 5 / F, block 7, Fenghuang Industrial Park, No. 52, Liufang Avenue, fozuling street, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: WUHAN XIANTONG TECHNOLOGY Co.,Ltd. |