CN210442699U - 431 application circuit optimization system - Google Patents
431 application circuit optimization system Download PDFInfo
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- CN210442699U CN210442699U CN201921191400.XU CN201921191400U CN210442699U CN 210442699 U CN210442699 U CN 210442699U CN 201921191400 U CN201921191400 U CN 201921191400U CN 210442699 U CN210442699 U CN 210442699U
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Abstract
The utility model discloses a 431 application circuit optimizing system, including benchmark reference voltage, power supply, resistor, triode, switch, anodal binding post and battery, the output of benchmark reference voltage and the positive pole end electric connection of triode, the negative pole end of triode and the first link electric connection of battery, the common terminal of triode all with anodal binding post and switch electric connection, positive binding post tip all with the second link of battery and the tip electric connection of switch, the tip of switch and the first link electric connection of resistor, the second link of resistor and power supply electric connection, the switch is used for the opening and close of control circuit, the resistance of resistor is 2 kilohms, and is further, the triode is used for the direction of electric current in the control circuit, the utility model discloses the wiring is less, the wiring space is saved, and the cost is reduced.
Description
Technical Field
The utility model relates to a circuit optimization technical field specifically is a 431 application circuit optimization system.
Background
TL431 is a controllable precision voltage regulator. Its output voltage can be arbitrarily set to any value ranging from Vref (2.5V) to 36V with two resistors. The typical dynamic impedance of the device is 0.2 omega, and the device is used for replacing a voltage stabilizing diode in many applications, such as a digital voltmeter, an operational amplifier circuit, a voltage-adjustable power supply, a switching power supply and the like;
however, the conventional 431-circuit bus bar has a complicated bus bar structure and a high cost as shown in fig. 2, 3 and 4.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 431 application circuit optimization system, the winding displacement mode that aims at improving current 431 circuit is complicated, the higher problem of cost.
The utility model discloses a realize like this:
a431 application circuit optimization system comprises a reference voltage, a power supply, a resistor, a triode, a switch, a positive terminal and a storage battery; the output end of the reference voltage is electrically connected with the anode end of the triode, the cathode end of the triode is electrically connected with the first connecting end of the storage battery, the common end of the triode is electrically connected with the anode wiring terminal and the switch, the end part of the anode wiring terminal is electrically connected with the second connecting end of the storage battery and the end part of the switch, the end part of the switch is electrically connected with the first connecting end of the resistor, and the second connecting end of the resistor is electrically connected with the power supply.
Further, the switch is used for controlling the on and off of the circuit.
Further, the resistance value of the resistor is 2 kilo-ohms.
Further, the triode is used for controlling the direction of current in the circuit.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the wiring is less, has saved wiring space, reduce cost.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a prior art equivalent circuit diagram;
FIG. 3 is a prior art reference voltage source;
fig. 4 is a prior art regulated voltage supply.
In the figure: 1. a reference voltage input; 2. a power supply; 3. a resistor; 4. a triode; 5. a switch; 6. a positive terminal; 7. and (4) a storage battery.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a 431 application circuit optimization system includes a reference voltage 1, a power supply 2, a resistor 3 having a resistance of 2 kilohms, a transistor 4 for controlling a direction of current in a circuit, a switch 5 and a switch 5 for controlling on/off of the circuit, a positive terminal 6 and a storage battery 7, wherein an output terminal of the reference voltage 1 is electrically connected to an anode terminal of the transistor 4, a cathode terminal of the transistor 4 is electrically connected to a first connection terminal of the storage battery 7, a common terminal of the transistor 4 is electrically connected to the positive terminal 6 and the switch 5, an end of the positive terminal 6 is electrically connected to a second connection terminal of the storage battery 7 and an end of the switch 5, an end of the switch 5 is electrically connected to the first connection terminal of the resistor 3, and a second connection terminal of the resistor 3 is electrically connected to the power supply 2.
The working principle is as follows: switch 3 opens the whole circuit, reference voltage input 1 input voltage, when input voltage increases, output voltage increases has led to the increase of output sampling, at this moment the internal circuit makes the current that flows through itself increase through resistor 3 adjustment, this also makes the current that flows through resistor 3 increase, the voltage drop of resistor 3 increases like this, and output voltage equals reference voltage input 1 and reduces the current-limiting resistance voltage drop, input voltage increases and current-limiting resistance voltage drop increases makes output voltage reduce, realize steady voltage, only when the voltage of reference voltage input 1 (syntropy end) is higher than input voltage, just can have the electric current to pass through in triode 4, when homophase input voltage is less than input voltage, triode 4 is in the off state (under the ideal state), and the winding displacement of this circuit is simple.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A431 application circuit optimization system comprises a reference voltage (1), a power supply (2), a resistor (3), a triode (4), a switch (5), a positive terminal (6) and a storage battery (7); the high-voltage power supply circuit is characterized in that the output end of the reference voltage (1) is electrically connected with the anode end of the triode (4), the cathode end of the triode (4) is electrically connected with the first connecting end of the storage battery (7), the common end of the triode (4) is electrically connected with the anode wiring terminal (6) and the switch (5), the end part of the anode wiring terminal (6) is electrically connected with the second connecting end of the storage battery (7) and the end part of the switch (5), the end part of the switch (5) is electrically connected with the first connecting end of the resistor (3), and the second connecting end of the resistor (3) is electrically connected with the power supply (2).
2. A 431 application circuit optimization system according to claim 1, wherein the switch (5) is used to control the on and off of the circuit.
3. A 431 application circuit optimization system according to claim 1, characterized by the fact that the resistance of the resistor (3) is 2 kilohms.
4. A 431 application circuit optimization system according to claim 1, characterized by that, the triode (4) is used to control the direction of the current in the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921191400.XU CN210442699U (en) | 2019-07-26 | 2019-07-26 | 431 application circuit optimization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921191400.XU CN210442699U (en) | 2019-07-26 | 2019-07-26 | 431 application circuit optimization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210442699U true CN210442699U (en) | 2020-05-01 |
Family
ID=70406876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921191400.XU Active CN210442699U (en) | 2019-07-26 | 2019-07-26 | 431 application circuit optimization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210442699U (en) |
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2019
- 2019-07-26 CN CN201921191400.XU patent/CN210442699U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Address after: 210000 floor 13, tower C, Tengfei building, research and Innovation Park, Nanjing area, China (Jiangsu) pilot Free Trade Zone, Nanjing, Jiangsu Patentee after: Jiangsu Changjing Technology Co.,Ltd. Address before: 210000 room 1087, hatch Eagle building, No. 99, Tuanjie Road, yanchuang Park, Jiangbei new area, Nanjing, Jiangsu Province Patentee before: Jiangsu Changjing Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |