CN216057640U - Bread board with serial port function - Google Patents
Bread board with serial port function Download PDFInfo
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- CN216057640U CN216057640U CN202121458488.4U CN202121458488U CN216057640U CN 216057640 U CN216057640 U CN 216057640U CN 202121458488 U CN202121458488 U CN 202121458488U CN 216057640 U CN216057640 U CN 216057640U
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- 235000008429 bread Nutrition 0.000 title claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 239000003990 capacitor Substances 0.000 claims description 63
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of circuit design and discloses a bread board with a serial port function, which comprises a substrate, a voltage conversion module and a serial port module, wherein the voltage conversion module is arranged on the substrate; through setting up the voltage conversion module, the voltage conversion module contains 12V, 1.8V, 3.3V and the multiple debugging voltage of 5V, and then can test multiple different electronic product for the function is abundanter, simultaneously, through setting up the serial ports function at the bread board, and then when testing, need additionally dispose serial ports module, can directly communicate with electronic equipment, and it is very convenient to operate, and the staff of being convenient for debugs.
Description
Technical Field
The utility model relates to the technical field of circuit design, in particular to a bread board with a serial port function.
Background
At present, the bread board can insert or extract various electronic components as required at will, however, most bread boards at present stage do not have the serial port function, and then when testing, need additionally dispose the serial port module, the operation is comparatively troublesome, simultaneously, only reserve 3.3V and 5V row needle test points at present stage, it is few to use the debugging voltage, and the function is comparatively single.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the bread board with the serial port function, which can increase the serial port function on the bread board, further does not need to additionally configure a serial port module during testing, enables the operation procedure to be simpler, and can increase various debugging voltages.
The purpose of the utility model is realized by the following technical scheme:
a bread board with a serial port function comprises:
a substrate;
the voltage conversion module is arranged on the substrate;
the serial port module comprises a serial port chip and an interface unit, the serial port chip is electrically connected with the voltage conversion module, the interface unit and the serial port chip are respectively arranged on the substrate, and the interface unit is electrically connected with the serial port chip.
In one embodiment, the voltage conversion module comprises a power interface, a switch K, a diode D1, a capacitor C1 and a voltage regulator tube U1, the power interface is electrically connected with the switch K, the switch K is electrically connected with one end of the diode D1, the other end of the diode D1 is electrically connected with one end of the capacitor C1 and the voltage regulator tube U1, and the other end of the capacitor C1 is grounded.
In one embodiment, the voltage conversion module further includes a diode D2, a resistor R1, a capacitor C2, a capacitor C3, a voltage regulator tube U2 and a capacitor C4, one end of the diode D2 is electrically connected to the voltage regulator tube U1, the other end of the diode D2 is electrically connected to one end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the capacitor C2, the other end of the capacitor C2 is electrically connected to one end of the capacitor C3, the other end of the capacitor C3 is grounded, and the voltage regulator tube U2 is electrically connected to the capacitor C4.
In one embodiment, the voltage conversion module further includes a diode D3, a resistor R2, a capacitor C5, a capacitor C6, a voltage regulator tube U3 and a capacitor C7, one end of the diode D3 is electrically connected to the voltage regulator tube U3, the other end of the diode D3 is electrically connected to one end of the resistor R2, the other end of the resistor R2 is electrically connected to one end of the capacitor C5, the other end of the capacitor C5 is electrically connected to one end of the capacitor C6, the other end of the capacitor C6 is grounded, and the voltage regulator tube U3 is electrically connected to the capacitor C7.
In one embodiment, the voltage conversion module includes a first pin header electrically connected to the regulator tube U2 and a second pin header electrically connected to the regulator tube U3 and the power supply port, respectively.
In one embodiment, the serial port module further comprises an indicator light DS1 and an indicator light DS2, and the indicator light DS1 and the indicator light DS2 are electrically connected with the serial port chip respectively.
In one embodiment, the interface unit includes a level interface circuit and a level conversion circuit, the level interface circuit is electrically connected to the serial port chip, and the level conversion circuit is electrically connected to the serial port chip and the level interface circuit, respectively.
In one embodiment, the interface unit further includes a first interface, and the first interface is electrically connected to the serial port chip.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the utility model relates to a bread board with a serial port function, which is characterized in that a voltage conversion module is arranged, the voltage conversion module comprises various debugging voltages of 12V, 1.8V, 3.3V and 5V, and further, various electronic products can be tested, so that the functions are more abundant, meanwhile, the serial port function is arranged on the bread board, and further, when the test is carried out, a serial port module needs to be additionally arranged, so that the bread board can be directly communicated with electronic equipment, the operation is very convenient, and the debugging of workers is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a bread board with a serial port function according to an embodiment of the utility model;
FIG. 2 is a circuit diagram of a voltage conversion module according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a serial port chip according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of a level shift circuit according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of a level interface circuit according to an embodiment of the present invention;
fig. 6 is a circuit diagram of a first interface according to an embodiment of the utility model.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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 an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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 herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, in an embodiment, a bread board 10 with a serial port function includes a substrate 100, a voltage conversion module 200, and a serial port module 300, where the substrate 100 is a bread board, the voltage conversion module 200 is used to provide multiple voltages, and the serial port module 300 is used to communicate with an electronic device.
Referring to fig. 1, the voltage conversion module 200 is disposed on the substrate; the serial module 300 includes a serial chip 310 and an interface unit 320, the serial chip 310 is electrically connected to the voltage conversion module 200, the interface unit 320 and the serial chip 310 are respectively disposed on the substrate 100, and the interface unit 320 is electrically connected to the serial chip 310. It should be noted that the voltage conversion module 200 is provided with 12V, 1.8V, 3.3V and 5V, and 12V and 1.8V are two sets of voltages commonly used, and are convenient for carrying out electronic debugging, and further, by setting up the serial port function at the bread board, and then when testing, need additionally to dispose the serial port module, can directly communicate with electronic equipment, and it is very convenient to operate, and the staff of being convenient for debugs. Still further, the serial port chip is a chip with model number FT232RL, which can be attached to integrated circuit devices of a series of USB UART interfaces of the FTDI.
Referring to fig. 1 and 2, in an embodiment, the voltage conversion module 200 includes a power interface 210, a switch K220, a diode D1, a capacitor C1, and a voltage regulator U1, the power interface 210 is electrically connected to the switch K220, the switch K220 is electrically connected to one end of the diode D1, the other end of the diode D1 is electrically connected to one end of the capacitor C1 and the voltage regulator U1, and the other end of the capacitor C1 is grounded. The power interface 210 is a DC power supply, the switch K220 is used for controlling whether to power on the substrate, the diode D1 is used for electrostatic protection and overvoltage protection, and further the voltage regulator tube U1 is prevented from being damaged, and the voltage regulator tube U1 is used for ensuring the stable output of the voltage of 1.8V, 5V and 3.3V.
Referring to fig. 1 and fig. 2, in an embodiment, the voltage conversion module 200 further includes a diode D2, a resistor R1, a capacitor C2, a capacitor C3, a voltage regulator tube U2, and a capacitor C4, wherein one end of the diode D2 is electrically connected to the voltage regulator tube U1, the other end of the diode D2 is electrically connected to one end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the capacitor C2, the other end of the capacitor C2 is electrically connected to one end of the capacitor C3, the other end of the capacitor C3 is grounded, and the voltage regulator tube U2 is electrically connected to the capacitor C4. It should be noted that the diode D2 is an LED indicator light, the resistor R1, the capacitor C2, the capacitor C3, and the capacitor C4 play a role of filtering, and the regulator tube U2 is used to stabilize the output of 5V and 3.3V voltages.
Referring to fig. 1 and fig. 2, in an embodiment, the voltage conversion module 200 further includes a diode D3, a resistor R2, a capacitor C5, a capacitor C6, a voltage regulator tube U3, and a capacitor C7, wherein one end of the diode D3 is electrically connected to the voltage regulator tube U3, the other end of the diode D3 is electrically connected to one end of the resistor R2, the other end of the resistor R2 is electrically connected to one end of the capacitor C5, the other end of the capacitor C5 is electrically connected to one end of the capacitor C6, the other end of the capacitor C6 is grounded, and the voltage regulator tube U3 is electrically connected to the capacitor C7. It should be noted that the diode D3 is an LED indicator, the resistor R2, the capacitor C5, the capacitor C6, and the capacitor C7 play a role of filtering, and the regulator tube U3 is used to stabilize the output of the 1.8V voltage.
Referring to fig. 1, preferably, the voltage conversion module 200 further includes a first pin header 230 and a second pin header 240, the first pin header 230 is electrically connected to the regulator tube U2, and the second pin header 240 is electrically connected to the regulator tube U3 and the power source header 210, respectively. It should be noted that the first pin header 230 and the second pin header 240 are both weldable pins.
Referring to fig. 1 and fig. 3, it is further preferable that the serial port module 300 further includes an indicator light DS1 and an indicator light DS2, and the indicator light DS1 and the indicator light DS2 are electrically connected to the serial port chip respectively. It should be noted that indicator light DS1 and indicator light DS2 are used to illuminate when serial port chip 310 is operating normally, so as to give an indication to the staff.
Referring to fig. 1, fig. 4 and fig. 5, in an embodiment, the interface unit 320 includes a level interface circuit 321 and a level shifter, the level interface circuit 321 is electrically connected to the serial chip 310, and the level shifter is electrically connected to the serial chip 310 and the level interface circuit 321, respectively. It should be noted that the level interface circuit 321 is a TTL serial level interface, the level conversion circuit is configured to convert the TTL level into an RS-485 level, and the RS-485 level is a level recognizable by the PC.
Referring to fig. 1 and fig. 6, in an embodiment, the interface unit 320 further includes a first interface 323, and the first interface 323 is electrically connected to the serial chip 310. The first interface 323 is a DB9 interface, and the DB9 interface is used for connecting to a PC.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A bread board with a serial port function is characterized by comprising:
a substrate;
the voltage conversion module is arranged on the substrate;
the serial port module comprises a serial port chip and an interface unit, the serial port chip is electrically connected with the voltage conversion module, the interface unit and the serial port chip are respectively arranged on the substrate, and the interface unit is electrically connected with the serial port chip.
2. The bread board with the serial port function as claimed in claim 1, wherein the voltage conversion module includes a power interface, a switch K, a diode D1, a capacitor C1 and a voltage regulator U1, the power interface is electrically connected to the switch K, the switch K is electrically connected to one end of the diode D1, the other end of the diode D1 is electrically connected to one end of the capacitor C1 and the voltage regulator U1, respectively, and the other end of the capacitor C1 is grounded.
3. The bread board with the serial port function as claimed in claim 2, wherein the voltage conversion module further comprises a diode D2, a resistor R1, a capacitor C2, a capacitor C3, a voltage regulator tube U2 and a capacitor C4, one end of the diode D2 is electrically connected to the voltage regulator tube U1, the other end of the diode D2 is electrically connected to one end of the resistor R1, the other end of the resistor R1 is electrically connected to one end of the capacitor C2, the other end of the capacitor C2 is electrically connected to one end of the capacitor C3, the other end of the capacitor C3 is grounded, and the voltage regulator tube U2 is electrically connected to the capacitor C4.
4. The bread board with the serial port function as claimed in claim 3, wherein the voltage conversion module further comprises a diode D3, a resistor R2, a capacitor C5, a capacitor C6, a voltage regulator tube U3 and a capacitor C7, one end of the diode D3 is electrically connected with the voltage regulator tube U3, the other end of the diode D3 is electrically connected with one end of the resistor R2, the other end of the resistor R2 is electrically connected with one end of the capacitor C5, the other end of the capacitor C5 is electrically connected with one end of the capacitor C6, the other end of the capacitor C6 is grounded, and the voltage regulator tube U3 is electrically connected with the capacitor C7.
5. The bread board with the serial port function of claim 4, wherein the voltage conversion module comprises a first pin interface and a second pin interface, the first pin interface is electrically connected with the voltage regulator tube U2, and the second pin interface is electrically connected with the voltage regulator tube U3 and the power interface respectively.
6. The bread board with serial port function as claimed in claim 1, wherein the serial port module further comprises an indicator light DS1 and an indicator light DS2, the indicator light DS1 and the indicator light DS2 are respectively electrically connected to the serial port chip.
7. The bread board with the serial port function as claimed in claim 1, wherein the interface unit includes a level interface circuit and a level conversion circuit, the level interface circuit is electrically connected to the serial port chip and the level interface circuit respectively, and the level conversion circuit is electrically connected to the serial port chip.
8. The bread board with the serial port function as claimed in claim 1, wherein the interface unit further comprises a first interface, and the first interface is electrically connected to the serial port chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458488.4U CN216057640U (en) | 2021-06-29 | 2021-06-29 | Bread board with serial port function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121458488.4U CN216057640U (en) | 2021-06-29 | 2021-06-29 | Bread board with serial port function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216057640U true CN216057640U (en) | 2022-03-15 |
Family
ID=80554461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121458488.4U Expired - Fee Related CN216057640U (en) | 2021-06-29 | 2021-06-29 | Bread board with serial port function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216057640U (en) |
-
2021
- 2021-06-29 CN CN202121458488.4U patent/CN216057640U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |