A high voltage fuse relay
By using a combination of a bridge rectifier filter and a Buck circuit in the high-voltage fuse relay, the problem that the existing high-voltage fuse relay cannot output signals is solved, and the stable fuse signal and action indication output is achieved, which enhances the functions of the automated control system.
Patent Information
- Application Number
- CN202311284411.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-07
- Publication Date
- 2025-04-08
AI Technical Summary
The existing high-voltage fuse relays cannot output relay signals, which limits the construction and application of automated control systems.
A high-voltage fuse relay is designed, using a bridge rectifier filter and a voltage divider to limit the current, rectify the AC current into DC, and buck the voltage through a Buck circuit composed of a freewheeling diode, energy storage inductor and switch tube, and finally output the fuse signal and the red light output action indication through the relay.
It realizes the combination of rectifier filter and Buck circuit to output stable fuse signals and action instructions, solves the problem of high-voltage fuse relay signal output, and enhances the functions of the automated control system.
Smart Images
Figure CN119786308A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of electrical control, and in particular relates to a high-voltage fuse relay. Background Art
[0002] A relay is a switching element that has a very wide range of applications in industrial automation control and other fields. It is an "automatic switch" that uses a smaller current to control a larger current.
[0003] High-voltage fuses cannot output relay signals, making it inconvenient to build an automated control system.
[0004] The existing high-voltage fuse relay has defects during use. Therefore, it is very necessary to involve a high-voltage fuse relay. Summary of the invention
[0005] In view of the above problems, the present invention provides a high-voltage fuse relay, wherein the collecting end is connected to both sides of the fuse, and after the fuse is blown, the relay is energized to output a fuse signal, and a red light is on to output an action indication.
[0006] To solve the above problems, the present invention adopts the following technical solutions.
[0007] A high-voltage fuse relay comprises a bridge rectifier filter BR1, wherein the 3rd pin of the bridge rectifier filter BR1 is at least connected in series with a voltage-dividing resistor R19 and connected to the 1st pin of the port P1, the 1st pin is at least connected in series with a voltage-dividing resistor R20 and connected to the 4th pin of the port P1, the 2nd pin of the bridge rectifier filter BR1 is connected to the relay J1, the 4th pin is connected to the ground terminal, and the ground terminal is connected in series with an electrolytic capacitor C1 connected to the 2nd pin of the bridge rectifier filter BR1, the 2nd pin of the bridge rectifier filter BR1 and A bidirectional breakdown diode D2 is connected in parallel between the 4 pins, the other end of the relay J1 is connected to a light-emitting diode D1 and an energy storage inductor L1 and is grounded through an N-MOS tube Q1, the two ends of the energy storage inductor L1 are connected to an electrolytic capacitor C2 and a diode D3, the N-MOS tube Q1 is connected to the integrated chip U1 through a resistor R13, the 1st pin of the integrated chip U1 is connected to the power supply voltage VCC, the 5th pin is connected to the resistor R13 and is connected to the N-MOS tube Q1 and is connected in parallel with a resistor R15.
[0008] Preferably, the resistor R19 and the resistor R20 are provided with at least two voltage-dividing resistors, which are arranged at pins 1 and 3 of the bridge rectifier filter BR1.
[0009] Preferably, the relay J1 is connected to a port P2.
[0010] Preferably, the energy storage inductor L1 is connected to a freewheeling diode D3 and a switch tube Q1.
[0011] Beneficial Effects
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] The rectifier filter BR1 and the voltage-dividing resistor of the previous stage are used to divide the voltage and limit the current, and the AC power is rectified into DC power. The Buck circuit composed of the freewheeling diode C2, the energy storage inductor L1 and the switch tube Q1 is used to step down the voltage. The fuse signal is output through the relay J1, and the red light outputs the action indication. C1 C2 are filter capacitors to ensure the stability of the voltage. The chip U1 is responsible for driving the switch tube. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The figure is an overall circuit schematic diagram of a high voltage fuse relay.
[0015] Figure 2 This is a partial schematic diagram of port P1 of a high-voltage fuse relay.
[0016] Figure 3 This is a schematic diagram of the relay J1 portion of a high-voltage fuse relay.
[0017] Figure 4 The schematic diagram of the integrated chip U1 of a high-voltage fuse relay is shown in FIG.
[0018] The corresponding relationship between the illustrations and component names in the figure is as follows: DETAILED DESCRIPTION
[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0020] like Figure 1-4As shown, it is a structural schematic diagram of a high-voltage fuse relay in a preferred embodiment of the present invention. In this embodiment, a bridge rectifier filter BR1 is included. The 3rd pin of the bridge rectifier filter BR1 is at least connected in series with a voltage-dividing resistor R19 and connected to the 1st pin of the port P1. The 1st pin is at least connected in series with a voltage-dividing resistor R20 and connected to the 4th pin of the port P1. The 2nd pin of the bridge rectifier filter BR1 is connected to the relay J1, and the 4th pin is connected to the ground terminal. The ground terminal is connected in series with an electrolytic capacitor C1 connected to the 2nd pin of the bridge rectifier filter BR1. A bidirectional breakdown diode D2 is connected in parallel between the 2nd and 4th pins of the bridge rectifier filter BR1. The other end of the relay J1 is connected to a light-emitting diode D 1 and the energy storage inductor L1 are grounded through the N-MOS tube Q1, the two ends of the energy storage inductor L1 are connected with the electrolytic capacitor C2 and the diode D3, the N-MOS tube Q1 is connected to the integrated chip U1 through the resistor R13, the 1st foot of the integrated chip U1 is connected to the power supply voltage VCC, the 5th foot is connected to the resistor R13 and connected to the N-MOS tube Q1 and connected in parallel with the resistor R15, the voltage is divided and the current is limited through the rectifier filter BR1 and the voltage divider resistor of the previous stage, and the AC power is rectified into DC power, and the buck circuit composed of the freewheeling diode C2, the energy storage inductor L1 and the switch tube Q1 is used to reduce the voltage, and the fuse signal is output through the relay J1, and the red light outputs the action indication, C1 C2 is a filter capacitor to ensure the stability of the voltage, and the chip U1 is responsible for driving the switch tube.
[0021] In this embodiment, the resistor R19 and the resistor R20 are at least two voltage-dividing resistors, which are arranged at pins 1 and 3 of the bridge rectifier filter BR1.
[0022] In this embodiment, the relay J1 is connected to the port P2.
[0023] In this embodiment, the energy storage inductor L1 is connected to a freewheeling diode D3 and a switch tube Q1.
[0024] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as belonging to the scope of protection determined by the claims submitted for the present invention.
Claims
1. A high voltage fuse relay, Features: The invention comprises a bridge rectifier filter BR1, wherein the 3rd pin of the bridge rectifier filter BR1 is at least connected in series with a voltage-dividing resistor R19 and connected to the 1st pin of the port P1, the 1st pin is at least connected in series with a voltage-dividing resistor R20 and connected to the 4th pin of the port P1, the 2nd pin of the bridge rectifier filter BR1 is connected to the relay J1, the 4th pin is connected to the ground terminal, and the ground terminal is connected in series with an electrolytic capacitor C1 connected to the 2nd pin of the bridge rectifier filter BR1, a bidirectional breakdown diode D2 is connected in parallel between the 2nd pin and the 4th pin of the bridge rectifier filter BR1, the other end of the relay J1 is connected to a light-emitting diode D1 and an energy storage inductor L1 and is grounded through an N-MOS tube Q1, the two ends of the energy storage inductor L1 are connected to an electrolytic capacitor C2 and a diode D3, the N-MOS tube Q1 is connected to an integrated chip U1 through a resistor R13, the 1st pin of the integrated chip U1 is connected to a power supply voltage VCC, the 5th pin is connected to the resistor R13 and connected to the N-MOS tube Q1 and is connected in parallel with a resistor R15.
2. The high voltage fuse relay according to claim 1, characterized in that: The resistor R19 and the resistor R20 are at least two voltage-dividing resistors, which are arranged at pins 1 and 3 of the bridge rectifier filter BR1.
3. The high voltage fuse relay according to claim 1, characterized in that: The relay J1 is connected to a port P2.
4. The high voltage fuse relay according to claim 1, characterized in that: The energy storage inductor L1 is connected to a freewheeling diode D3 and a switch tube Q1.