A voltage regulator for a voltage detection chip

Abstract

The present application relates to the field of voltage detection chips, and discloses a voltage stabilizer for a voltage detection chip. In the present application, a voltage stabilizer for a voltage detection chip includes a circuit board, a mounting seat is fixedly installed on the surface of the circuit board, a screw is threadedly connected to the front end of the mounting seat, a fixing plate is threadedly connected to the front end of the mounting seat through a screw, a voltage stabilizer is fixedly installed on the bottom end of the fixing plate, a three-terminal lead is fixedly connected to the bottom end of the voltage stabilizer, a heat sink is fixedly connected to the rear end of the mounting seat, a common-mode inductor is fixedly connected to the side end of the three-terminal lead through the circuit board, a fast switching element is fixedly connected to the side end of the three-terminal lead through the circuit board, and a voltage detection chip is fixedly connected to the front end of the three-terminal lead through the circuit board. The device has a simple structure, low working noise, is convenient to carry and adjust voltage, and has strong applicability.

Description

Technical Field

[0001] The present application belongs to the technical field of voltage detection chips, and specifically relates to a voltage stabilizer for a voltage detection chip. Background Art

[0002] Voltage detection chips are often used to monitor and detect the stability and safety of power supply voltages. These chips are critical in many electronic devices to ensure that the device can operate within a safe and expected voltage range. In order for the voltage detection chip to work properly, a voltage regulator is usually required to provide a stable reference voltage. The choice of voltage regulator depends on the specific requirements of the voltage detection chip, including factors such as input voltage range, output voltage stability, output current capability, power consumption, and package size.

[0003] For example, the patent with announcement number CN206211272U discloses a voltage stabilizer based on a voltage detection chip, including a voltage stabilizer body, a top plate and a leg arranged at the bottom of the voltage stabilizer body, a first circuit board is arranged on the protective door, a contact switch is arranged on the first circuit board, a voltage detection chip body is arranged on the right side of the sampling switch, a sampling transformer is arranged on the right side of the voltage detection chip body, a circuit board is arranged at the bottom of the voltage detection chip body, an alarm and a relay are arranged at the bottom of the circuit board, a knife switch is arranged on the right side of the circuit board, an auxiliary transformer is arranged at the bottom of the voltage stabilizer body, a motor is installed on the top of the auxiliary transformer, a main transformer is installed on the right side of the auxiliary transformer, and a ventilation fan is arranged at the bottom of the auxiliary transformer. The utility model has a novel structure, and the voltage detection chip body in the voltage stabilizer body is used to monitor the output voltage of the voltage stabilizer body, has good ventilation and heat dissipation effect, has an extremely low temperature drift coefficient, has high detection accuracy, and has high practicality.

[0004] However, the voltage regulator device based on the voltage detection chip in the application is large in size and has high noise during operation. It is inconvenient to carry when performing power detection on the device, and thus has poor applicability. Utility Model Content

[0005] The purpose of this application is to provide a voltage regulator for a voltage detection chip in order to solve the problem that the voltage regulator device based on the voltage detection chip proposed above is large in size, has high noise during operation, is inconvenient to carry when performing device power detection, and has poor applicability.

[0006] The technical solution adopted in the present application is as follows: a voltage stabilizer for a voltage detection chip, comprising a circuit board, a mounting seat fixedly installed on the surface of the circuit board, a screw threadedly connected to the front end of the mounting seat, a fixing plate threadedly connected to the front end of the mounting seat through the screw, a voltage stabilizer fixedly installed on the bottom end of the fixing plate, a three-terminal lead fixedly connected to the bottom end of the voltage stabilizer, a heat sink fixedly connected to the rear end of the mounting seat, a common-mode inductor fixedly connected to the side end of the three-terminal lead through the circuit board, a fast switching element fixedly connected to the side end of the three-terminal lead through the circuit board, and a voltage detection chip fixedly connected to the front end of the three-terminal lead through the circuit board.

[0007] By adopting the above technical solution, the heat sink can conduct heat dissipation for the voltage regulator, and the material is aluminum alloy. The voltage regulator is used to maintain a constant output voltage, which can remain stable when the input voltage or load current changes. It can protect electronic equipment and ensure that it operates at the correct voltage. The bottom of the voltage regulator is connected to a voltage detection chip, a common mode inductor and a fast switching element through a three-terminal lead. Among them, the common mode inductor can improve the anti-interference ability of the circuit and reduce signal distortion and noise. The overvoltage detection chip can detect the current and voltage output by the circuit board, and pass it to the voltage regulator through the three-terminal lead to adjust the voltage of the power supply. The fast switching element is used to adjust the output voltage, and the input circuit can be quickly switched and the output voltage can be smoothed using external inductors and capacitors. It can provide efficient voltage conversion within a wide input voltage range and is suitable for use in voltage detection chips for high-power power supplies.

[0008] In a preferred embodiment, a sliding groove is provided on the surface of the fast switch element, and a switch handle is slidably connected inside the sliding groove.

[0009] By adopting the above technical solution, the fast switching element can be adjusted by toggling the switch handle, thereby increasing or decreasing the voltage of the voltage stabilizer, and the position voltage is stable.

[0010] In a preferred embodiment, a resistor is fixedly connected to the surface of the circuit board and located at the side end of the mounting seat.

[0011] By adopting the above technical solution, the resistor can limit the current entering the front input terminal of the circuit board, which is used to protect the voltage detection chip and the voltage regulator.

[0012] In a preferred embodiment, a filter capacitor is fixedly connected to the surface of the circuit board and located at the side end of the mounting seat.

[0013] By adopting the above technical solution, the AC component of the current can be filtered out by the filter capacitor, making the output DC smoother.

[0014] In a preferred embodiment, an input terminal is fixedly mounted on the left end of the circuit board, and an output terminal is fixedly mounted on the right end of the circuit board.

[0015] By adopting the above technical solution, the input end is used to connect to an external power supply, and the output end is used to output current.

[0016] In a preferred embodiment, an indicator light is fixedly mounted on the surface of the circuit board.

[0017] By adopting the above technical solution, the indicator light can be used to flash as a warning when the power supply voltage is abnormal, which is convenient for staff to observe.

[0018] In a preferred embodiment, a plurality of plugging holes are formed on the surface of the circuit board, plugging rods are inserted into the plugging holes, and a protective cover is fixedly connected to the top of the plugging rods.

[0019] By adopting the above technical solution, the protective cover can protect the circuit board and the electronic components and detection devices inside it. The protective cover can be inserted into the plug hole through the plug rod, which is convenient for installation and removal.

[0020] In a preferred embodiment, a plug-in slot is provided at a side end of the protective cover, and a mounting slot is provided at a rear end of the protective cover.

[0021] By adopting the above technical solution, the plug-in slot can be convenient for plugging in an external power supply for testing, and the installation slot can be used to install a fast switching element, making it convenient for workers to stabilize the voltage through the fast switching element.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0023] In this application, the input end is plugged into an external power supply for detection, and the filter capacitor can filter out the AC component of the current, making the output DC smoother. The resistor is used to limit the current entering the input end of the front end of the circuit board, and is used to protect the voltage detection chip and the voltage regulator. The bottom of the voltage regulator is connected to a voltage detection chip, a common mode inductor and a fast switching element through a three-terminal lead. Among them, the common mode inductor can improve the anti-interference ability of the circuit and reduce signal distortion and noise. The overvoltage detection chip can detect the current and voltage output of the circuit board, and the voltage of the power supply is adjusted by transferring it to the voltage regulator through the three-terminal lead. Using a fast switching element to adjust the output voltage, the input circuit can be quickly switched and the output voltage can be smoothed using external inductors and capacitors. It can provide efficient voltage conversion within a wide input voltage range, and is suitable for use in voltage detection chips for high-power power supplies. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a voltage stabilizer used in a voltage detection chip in this application;

[0025] Figure 2 It is a schematic diagram of the structure of the voltage stabilizer in this application;

[0026] Figure 3 This is a schematic diagram of the protective cover structure in this application.

[0027] Markings in the figure: 1. Circuit board; 2. Plug hole; 3. Input terminal; 4. Output terminal; 5. Indicator light; 6. Common mode inductor; 7. Resistor; 8. Mounting seat; 9. Filter capacitor; 10. Mounting slot; 11. Voltage detection chip; 12. Fast switching element; 13. Switch handle; 14. Heat sink; 15. Fixing plate; 16. Screw; 17. Voltage stabilizer; 18. Three-terminal lead; 19. Protective cover; 20. Plug rod; 21. Plug slot; 22. Slide slot. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] Example:

[0030] Reference Figure 1-3A voltage stabilizer for a voltage detection chip includes a circuit board 1, a mounting seat 8 is fixedly mounted on the surface of the circuit board 1, a screw 16 is threadedly connected to the front end of the mounting seat 8, a fixing plate 15 is threadedly connected to the front end of the mounting seat 8 through the screw 16, a voltage stabilizer 17 is fixedly mounted on the bottom end of the fixing plate 15, a three-terminal lead 18 is fixedly connected to the bottom end of the voltage stabilizer 17, a heat sink 14 is fixedly connected to the rear end of the mounting seat 8, a common-mode inductor 6 is fixedly connected to the side end of the three-terminal lead 18 through the circuit board 1, a fast switching element 12 is fixedly connected to the side end of the three-terminal lead 18 through the circuit board 1, and a voltage detection chip 11 is fixedly connected to the front end of the three-terminal lead 18 through the circuit board 1. The fixing plate 15 and the voltage stabilizer 17 are mounted on the side end of the mounting seat 8 through the screw 16, and the heat sink 14 can conduct heat dissipation to the voltage stabilizer 17, and the material is aluminum alloy. The voltage stabilizer 17 is used to maintain a constant output voltage, and can remain stable when the input voltage or load current changes. It can protect electronic equipment and ensure that it runs at the correct voltage. The bottom of the voltage regulator 17 is connected to a voltage detection chip 11, a common mode inductor 6 and a fast switching element 12 through a three-terminal lead 18. Among them, the common mode inductor 6 can improve the anti-interference ability of the circuit and reduce signal distortion and noise. The overvoltage detection chip 11 can detect the current and voltage output by the circuit board 1, and transmit it to the voltage regulator 17 through the three-terminal lead 18 to adjust the voltage of the power supply. The fast switching element 12 is used to adjust the output voltage, and the input circuit can be quickly switched and the output voltage can be smoothed using external inductors and capacitors. It can provide efficient voltage conversion within a wide input voltage range, and is suitable for use as a voltage detection chip for high-power power supplies.

[0031] Reference Figure 1 and Figure 3 The surface of the fast switch element 12 is provided with a slide groove 22, and the interior of the slide groove 22 is slidably connected with a switch handle 13. By toggling the switch handle 13, the fast switch element 12 can be adjusted, thereby increasing or decreasing the voltage of the voltage regulator 17, and the position voltage is stable.

[0032] Reference Figure 1 A resistor 7 is fixedly connected to the surface of the circuit board 1 and located at the side end of the mounting seat 8. The resistor 7 is used to limit the current entering the front input terminal 3 of the circuit board 1, and is used to protect the voltage detection chip 11 and the voltage regulator 17.

[0033] Reference Figure 1 A filter capacitor 9 is fixedly connected to the surface of the circuit board 1 and located at the side end of the mounting seat 8. The filter capacitor 9 can filter out the AC component of the current and make the output DC smoother.

[0034] Reference Figure 1, an input terminal 3 is fixedly installed at the left end of the circuit board 1, and an output terminal 4 is fixedly installed at the right end of the circuit board 1. The input terminal 3 is used to connect to an external power supply, and the output terminal 4 is used to output current.

[0035] Reference Figure 1 The surface of the circuit board 1 is fixedly mounted with an indicator light 5. The indicator light 5 is used to flash an alarm when the power supply voltage is abnormal, which is convenient for staff to observe.

[0036] Reference Figure 1 and Figure 3 The surface of the circuit board 1 is provided with a plurality of plug holes 2, and a plug rod 20 is plugged into the plug hole 2, and a protective cover 19 is fixedly connected to the top of the plug rod 20. The protective cover 19 is used to protect the circuit board 1 and the electronic components and detection devices therein. The protective cover 19 can be plugged into the plug hole 2 through the plug rod 20, which is convenient for installation and removal.

[0037] Reference Figure 3 The side end of the protective cover 19 is provided with a plug-in slot 21, and the rear end of the protective cover 19 is provided with a mounting slot 10. The plug-in slot 21 can be conveniently connected to an external power supply for detection, and the mounting slot 10 can be used to install a fast switching element 12, which is convenient for the staff to stabilize the voltage through the fast switching element 12.

[0038] The implementation principle of the voltage regulator embodiment for a voltage detection chip of the present application is: the external power supply is plugged into the input terminal 3 for detection, and the filter capacitor 9 can filter out the AC component of the current to make the output DC smoother. The resistor 7 is used to limit the current entering the input terminal 3 at the front end of the circuit board 1, and is used to protect the voltage detection chip 11 and the voltage regulator 17. The voltage regulator 17 is used to maintain a constant output voltage, which can remain stable when the input voltage or load current changes. It can protect electronic equipment and ensure that it runs at the correct voltage. The bottom of the voltage regulator 17 is connected to the voltage detection chip 11, the common mode inductor 6 and the fast switching element 12 through the three-terminal lead 18. Among them, the common mode inductor 6 can improve the anti-interference ability of the circuit and reduce signal distortion and noise. The overvoltage detection chip 11 can detect the current and voltage output by the circuit board 1, and transmit it to the voltage regulator 17 through the three-terminal lead 18 to adjust the voltage of the power supply. The fast switching element 12 is used to adjust the output voltage, and the input circuit can be quickly switched and the output voltage can be smoothed using external inductors and capacitors. It can provide efficient voltage conversion in a wide input voltage range and is suitable for use in voltage detection chips of high-power power supplies. The device has a simple structure, low working noise, is easy to carry and adjust voltage, and has strong applicability.

[0039] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A voltage stabilizer for a voltage detection chip, comprising a circuit board (1), characterized in that: A mounting seat (8) is fixedly mounted on the surface of the circuit board (1), a screw (16) is threadedly connected to the front end of the mounting seat (8), a fixing plate (15) is threadedly connected to the front end of the mounting seat (8) via the screw (16), a voltage stabilizer (17) is fixedly mounted on the bottom end of the fixing plate (15), a three-terminal lead (18) is fixedly connected to the bottom end of the voltage stabilizer (17), a heat sink (14) is fixedly connected to the rear end of the mounting seat (8), a common-mode inductor (6) is fixedly connected to the side end of the three-terminal lead (18) via the circuit board (1), a fast switch element (12) is fixedly connected to the side end of the three-terminal lead (18) via the circuit board (1), and a voltage detection chip (11) is fixedly connected to the front end of the three-terminal lead (18) via the circuit board (1).

2. A voltage stabilizer for a voltage detection chip as claimed in claim 1, characterized in that: A sliding groove (22) is provided on the surface of the fast switch element (12), and a switch handle (13) is slidably connected inside the sliding groove (22).

3. The voltage stabilizer for a voltage detection chip as claimed in claim 1, characterized in that: A resistor (7) is fixedly connected to the surface of the circuit board (1) and located at the side end of the mounting seat (8).

4. The voltage stabilizer for a voltage detection chip as claimed in claim 1, characterized in that: A filter capacitor (9) is fixedly connected to the surface of the circuit board (1) and located at the side end of the mounting seat (8).

5. The voltage stabilizer for a voltage detection chip as claimed in claim 1, characterized in that: An input terminal (3) is fixedly mounted on the left end of the circuit board (1), and an output terminal (4) is fixedly mounted on the right end of the circuit board (1).

6. The voltage stabilizer for a voltage detection chip as claimed in claim 1, characterized in that: An indicator light (5) is fixedly mounted on the surface of the circuit board (1).

7. The voltage stabilizer for a voltage detection chip as claimed in claim 1, characterized in that: A plurality of plug holes (2) are provided on the surface of the circuit board (1), plug rods (20) are plugged into the inside of the plug holes (2), and a protective cover (19) is fixedly connected to the top of the plug rod (20).

8. A voltage stabilizer for a voltage detection chip as claimed in claim 7, characterized in that: A plug-in slot (21) is provided at the side end of the protective cover (19), and a mounting slot (10) is provided at the rear end of the protective cover (19).

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