Voltage-stabilized power supply of vacuum sealer

Abstract

The utility model discloses a voltage-stabilized power supply of a vacuum sealer, which relates to the technical field of vacuum sealers, and comprises a power supply module used for multi-path voltage transformation processing; the first voltage stabilization module is used for rectification filtering processing and voltage stabilization adjustment; the second voltage stabilization module is used for rectification filtering processing and voltage stabilization adjustment; the vacuum sealer module is used for receiving the electric energy and controlling the work of a vacuum sealer; the first power supply detection module is used for carrying out power failure detection on the electric energy rectified by the first voltage stabilizing module and controlling the access control module to supply power to the first voltage stabilizing module during power failure; and the second power supply detection module is used for carrying out power failure detection on the electric energy rectified by the first voltage stabilizing module and controlling the access control module to supply power to the first voltage stabilizing module during power failure. The voltage-stabilized power supply of the vacuum sealer improves the power supply efficiency of the vacuum sealer module and the working efficiency of the vacuum sealer module, and meets the power supply requirement of the vacuum sealer module.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum sealing machines, in particular to a voltage-stabilizing power supply for a vacuum sealing machine. Background Art

[0002] The vacuum sealer is a commonly used packaging equipment, which is used to vacuum seal items to maintain their freshness and integrity. It is mainly composed of a voltage-stabilized power supply, a vacuum pump, a pressure controller, a vacuum detector, a sealer body, a temperature controller, a temperature sensor, a sealing head, a heat-sealing knife, etc. In the voltage-stabilized power supply of the vacuum sealer, most of them adopt a multi-winding transformer, a multi-channel rectifier and a voltage stabilizer to provide a variety of DC voltages. However, when a rectifier fails, the supply of DC power cannot be maintained, resulting in the vacuum sealer being unable to continue to work normally. The working efficiency of the vacuum sealer is low, so it needs to be improved. Utility Model Content

[0003] The embodiment of the utility model provides a voltage-stabilized power supply for a vacuum sealer to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A voltage-stabilized power supply for a vacuum sealer, comprising: a power supply module, a first voltage-stabilizing module, a second voltage-stabilizing module, a vacuum sealer module, a first power supply detection module, a second power supply detection module and a passage control module;

[0006] A power module, used for receiving AC power, transforming the AC power, and outputting a first DC power and a second DC power;

[0007] A first voltage stabilizing module, connected to the power module and the path control module, for rectifying and filtering the first DC electric energy, for stabilizing and regulating the processed electric energy and the electric energy transmitted by the path control module, and outputting the first electric energy;

[0008] A second voltage stabilizing module, connected to the power module and the path control module, for rectifying and filtering the second DC electric energy, for stabilizing and regulating the processed electric energy and the electric energy transmitted by the path control module, and outputting the second electric energy;

[0009] a vacuum sealer module, connected to the first voltage stabilizing module and the second voltage stabilizing module, for receiving the first electric energy and the second electric energy and supplying power to the vacuum sealer;

[0010] a first power supply detection module, connected to the first voltage stabilizing module, for performing power failure detection on the electric energy after rectification by the first voltage stabilizing module, and outputting a first control signal when the first voltage stabilizing module loses power;

[0011] A second power supply detection module, connected to the second voltage stabilizing module, for performing power failure detection on the electric energy after rectification by the second voltage stabilizing module, and outputting a second control signal when the second voltage stabilizing module loses power;

[0012] The path control module is connected to the first power supply detection module and the second power supply detection module, and is used to receive a first control signal and transmit the electric energy after voltage stabilization and filtering of the first voltage stabilization module to the second voltage stabilization module, and is used to receive a second control signal and transmit the electric energy after voltage stabilization and filtering of the second voltage stabilization module to the first voltage stabilization module.

[0013] As a further solution of the utility model: the power supply module includes a power supply interface and a first transformer; the first voltage stabilizing module includes a first voltage stabilizer, a first diode, a first capacitor, a first rectifier and a second capacitor; the vacuum sealer module includes a vacuum sealer power supply port;

[0014] Preferably, the first end and the second end of the power interface are respectively connected to the first end and the second end of the primary side of the first transformer, the first end and the second end of the first secondary side of the first transformer are respectively connected to the first input end and the second input end of the first rectifier, the first end and the second end of the second secondary side of the first transformer are connected to the second regulator module, the first output end of the first rectifier is connected to the two anodes of the first diode, the cathode of the first diode is connected to the first end of the first capacitor and the first end of the first regulator, the second end of the first regulator is connected to one end of the second capacitor and the first power end of the power port of the vacuum sealer, and the second output end of the first rectifier, the second end of the first capacitor, the third end of the first regulator, the other end of the second capacitor and the ground end of the power port of the vacuum sealer are all grounded.

[0015] As a further solution of the utility model: the second voltage stabilizing module includes a second rectifier, a second diode, a third capacitor, a second voltage stabilizer and a fourth capacitor;

[0016] Preferably, the first input terminal and the second input terminal of the second rectifier are respectively connected to the first terminal and the second terminal of the second secondary side of the first transformer, the first output terminal of the second voltage regulator is connected to the anode of the second diode, the cathode of the second diode is connected to the first end of the third capacitor and the first end of the second voltage regulator, the second end of the second voltage regulator is connected to one end of the fourth capacitor and the second power supply end of the power port of the vacuum sealer, and the second output terminal of the second rectifier, the second end of the third capacitor, the third end of the second voltage regulator and the other end of the fourth capacitor are all grounded.

[0017] As a further solution of the utility model: the first power supply detection module includes a first power supply, a first resistor, a second resistor and a first optical coupler;

[0018] Preferably, the first end of the first optocoupler is connected to the first output end of the first rectifier through the first resistor, the second end of the first optocoupler is connected to the second output end of the first rectifier, the first end of the first power supply is connected to the first end of the second resistor, the second end of the second resistor is connected to the third end of the first optocoupler and the path control module, and the fourth end of the first optocoupler is grounded.

[0019] As a further solution of the utility model: the passage control module includes a first power tube and a second power tube;

[0020] Preferably, the source of the first power tube is connected to the first end of the first capacitor, the drain of the first power tube is connected to the drain of the second power tube, the source of the second power tube is connected to the first end of the third capacitor, the gate of the first power tube is connected to the second end of the second resistor, and the gate of the second power tube is connected to the second power supply detection module.

[0021] As a further solution of the utility model: the second power supply detection module includes a third resistor, a second optical coupler, a fourth resistor and a second power supply;

[0022] Preferably, the first end of the second optocoupler is connected to the first output end of the second rectifier through the third resistor, the second end of the second optocoupler is connected to the second output end of the second rectifier, the third end of the second optocoupler is connected to the gate of the second power tube and connected to the second power supply through the fourth resistor, and the fourth end of the second optocoupler is grounded.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows: the voltage-stabilized power supply of the vacuum sealing machine of the utility model is provided with DC voltage stabilization by the power supply module in cooperation with the first voltage-stabilizing module and the second voltage-stabilizing module for the vacuum sealing machine module, the first power supply detection module and the second power supply detection module respectively perform power-off detection on the electric energy rectified by the first voltage-stabilizing module and the electric energy rectified by the second voltage-stabilizing module, and cooperate with the passage control module so that when the first voltage-stabilizing module loses power, the second voltage-stabilizing module supplies power to the first voltage-stabilizing module, and when the second voltage-stabilizing module loses power, the first voltage-stabilizing module supplies power to the second voltage-stabilizing module, thereby improving the power supply efficiency and the working efficiency of the vacuum sealing machine module and meeting the power supply demand of the vacuum sealing machine module. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments of the utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 The present invention is a schematic block diagram of the principle of a voltage-stabilized power supply for a vacuum sealing machine provided in an example of the present invention.

[0026] Figure 2 A circuit diagram of a voltage-stabilized power supply for a vacuum sealing machine provided in an example of the utility model.

[0027] Figure 3 This is a connection circuit diagram of the second power supply detection module provided in an example of the utility model. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In one embodiment, see Figure 1 , a voltage-stabilized power supply of a vacuum sealing machine, comprising: a power supply module 1, a first voltage-stabilizing module 2, a second voltage-stabilizing module 3, a vacuum sealing machine module 4, a first power supply detection module 5, a second power supply detection module 6 and a passage control module 7;

[0030] Specifically, the power module 1 is used to receive AC power, transform the AC power, and output a first DC power and a second DC power;

[0031] A first voltage stabilizing module 2, connected to the power module 1 and the path control module 7, for rectifying and filtering the first DC power, for stabilizing and regulating the processed power and the power transmitted by the path control module 7, and outputting the first power;

[0032] The second voltage stabilizing module 3 is connected to the power module 1 and the path control module 7, and is used to rectify and filter the second DC electric energy, and to stabilize and regulate the processed electric energy and the electric energy transmitted by the path control module 7 and output the second electric energy;

[0033] A vacuum sealer module 4, connected to the first voltage stabilizing module 2 and the second voltage stabilizing module 3, for receiving the first electric energy and the second electric energy and supplying power to the vacuum sealer;

[0034] A first power supply detection module 5, connected to the first voltage stabilizing module 2, for performing power failure detection on the electric energy after rectification by the first voltage stabilizing module 2, and outputting a first control signal when the first voltage stabilizing module 2 loses power;

[0035] A second power supply detection module 6, connected to the second voltage stabilizing module 3, for performing power failure detection on the electric energy after rectification by the second voltage stabilizing module 3, and outputting a second control signal when the second voltage stabilizing module 3 loses power;

[0036] The path control module 7 is connected to the first power supply detection module 5 and the second power supply detection module 6, and is used to receive a first control signal and transmit the electric energy after voltage stabilization and filtering by the first voltage stabilization module 2 to the second voltage stabilization module 3, and is used to receive a second control signal and transmit the electric energy after voltage stabilization and filtering by the second voltage stabilization module 3 to the first voltage stabilization module 2.

[0037] In a specific embodiment, the power supply module 1 can adopt a power supply circuit composed of a power supply interface and a transformer, etc., to access the AC power and perform multi-channel transformation on the AC power; the first voltage stabilizing module 2 can adopt a first voltage stabilizing circuit composed of a rectifier, a voltage stabilizer, a capacitor, etc., to rectify, filter and stabilize the input power; the second voltage stabilizing module 3 can adopt a second voltage stabilizing circuit composed of a rectifier, a voltage stabilizer, a capacitor, etc., to rectify, filter and stabilize the input power; the vacuum sealer module 4 can adopt a vacuum sealer composed of a vacuum sealer power interface. The port circuit receives the electric energy output by the first voltage stabilizing module 2 and the second voltage stabilizing module 3; the first power supply detection module 5 can adopt a first power supply detection circuit composed of a resistor, a photocoupler, etc., which can isolate and detect the power-off state of the first voltage stabilizing module 2; the second power supply detection module 6 can adopt a second power supply detection circuit composed of a resistor, a photocoupler, etc., which can isolate and detect the power-off state of the second voltage stabilizing module 3; the path control module 7 can adopt a path control circuit composed of two groups of power tubes to realize the power transmission control between the first voltage stabilizing module 2 and the second voltage stabilizing module 3.

[0038] In another embodiment, see Figure 1 , Figure 2 and Figure 3 , the power supply module 1 includes a power supply interface and a first transformer B1; the first voltage stabilizing module 2 includes a first voltage stabilizer IC1, a first diode D1, a first capacitor C1, a first rectifier T1 and a second capacitor C2; the vacuum sealer module 4 includes a vacuum sealer power supply port;

[0039] Specifically, the first end and the second end of the power interface are respectively connected to the first end and the second end of the primary side of the first transformer B1, the first end and the second end of the first secondary side of the first transformer B1 are respectively connected to the first input end and the second input end of the first rectifier T1, the first end and the second end of the second secondary side of the first transformer B1 are connected to the second voltage regulator IC2 module, the first output end of the first rectifier T1 is connected to the two anodes of the first diode D1, the cathode of the first diode D1 is connected to the first end of the first capacitor C1 and the first end of the first voltage regulator IC1, the second end of the first voltage regulator IC1 is connected to one end of the second capacitor C2 and the first power supply VCC1 end of the vacuum sealer power port, and the second output end of the first rectifier T1, the second end of the first capacitor C1, the third end of the first voltage regulator IC1, the other end of the second capacitor C2 and the ground end of the vacuum sealer power port are all grounded.

[0040] In a specific embodiment, the first transformer B1 may adopt a dual-winding transformer to achieve dual-channel output; the first voltage regulator IC1 may select a 7812 three-terminal integrated voltage regulator; the first rectifier T1 may select a full-wave rectifier; the vacuum sealer power port is a power interface on the vacuum sealer, which is used to receive electrical energy, and the details are not repeated here.

[0041] Further, the second voltage stabilizing module 3 includes a second rectifier T2, a second diode D2, a third capacitor C3, a second voltage stabilizer IC2 and a fourth capacitor C4;

[0042] Specifically, the first input terminal and the second input terminal of the second rectifier T2 are respectively connected to the first terminal and the second terminal of the second secondary side of the first transformer B1, the first output terminal of the second voltage regulator IC2 is connected to the anode of the second diode D2, the cathode of the second diode D2 is connected to the first end of the third capacitor C3 and the first end of the second voltage regulator IC2, the second end of the second voltage regulator IC2 is connected to one end of the fourth capacitor C4 and the second power supply VCC2 end of the power port of the vacuum sealer, and the second output terminal of the second rectifier T2, the second end of the third capacitor C3, the third end of the second voltage regulator IC2 and the other end of the fourth capacitor C4 are all grounded.

[0043] In a specific embodiment, the second voltage regulator IC2 can be a 7805 three-terminal integrated voltage regulator.

[0044] Furthermore, the first power supply detection module 5 includes a first power supply VCC1, a first resistor R1, a second resistor R2 and a first optical coupler J1;

[0045] Specifically, the first end of the first optocoupler J1 is connected to the first output end of the first rectifier T1 through the first resistor R1, the second end of the first optocoupler J1 is connected to the second output end of the first rectifier T1, the first end of the first power supply VCC1 is connected to the first end of the second resistor R2, the second end of the second resistor R2 is connected to the third end of the first optocoupler J1 and the path control module 7, and the fourth end of the first optocoupler J1 is grounded.

[0046] In a specific embodiment, the first optical coupler J1 can be a PC817 photoelectric coupler, which is turned on when the first rectifier T1 outputs electrical energy.

[0047] Furthermore, the path control module 7 includes a first power tube Q1 and a second power tube Q2;

[0048] Specifically, the source of the first power tube Q1 is connected to the first end of the first capacitor C1, the drain of the first power tube Q1 is connected to the drain of the second power tube Q2, the source of the second power tube Q2 is connected to the first end of the third capacitor C3, the gate of the first power tube Q1 is connected to the second end of the second resistor R2, and the gate of the second power tube Q2 is connected to the second power supply detection module 6.

[0049] In a specific embodiment, the first power tube Q1 and the second power tube Q2 can both be N-channel field effect tubes with diodes, wherein the first power tube Q1 is used to transmit the electric energy rectified by the first voltage stabilizing module 2 to the second voltage stabilizing module 3, and the second power tube Q2 is used to transmit the electric energy rectified by the second voltage stabilizing module 3 to the first voltage stabilizing module 2.

[0050] Furthermore, the second power supply detection module 6 includes a third resistor R3, a second optical coupler J2, a fourth resistor R4 and a second power supply VCC2;

[0051] Specifically, the first end of the second optocoupler J2 is connected to the first output end of the second rectifier T2 through the third resistor R3, the second end of the second optocoupler J2 is connected to the second output end of the second rectifier T2, the third end of the second optocoupler J2 is connected to the gate of the second power tube Q2 and connected to the second power supply VCC2 through the fourth resistor R4, and the fourth end of the second optocoupler J2 is grounded.

[0052] In a specific embodiment, the second optical coupler J2 may be a PC817 optical coupler, which is turned on when the second rectifier T2 outputs electrical energy.

[0053] In the voltage-stabilized power supply of the vacuum sealer of the present embodiment, AC power is connected to the power interface, and then the first transformer B1 performs isolation transformation and outputs the transformed power in multiple ways, which are rectified by the first rectifier T1 and the second rectifier T2 respectively. The power rectified by the first rectifier T1 is stabilized by the first voltage regulator IC1 to provide the first power to the power port of the vacuum sealer, and the power rectified by the second rectifier T2 is stabilized by the second voltage regulator IC2 to provide the second power to the power port of the vacuum sealer. At the same time, the first optical coupler J1 and the second optical coupler J2 perform power-off detection on the power output of the first rectifier T1 and the power output of the second rectifier T2 respectively. When the first optical coupler J1 and the second optical coupler J2 are connected, the power supply of the vacuum sealer is switched off. When the first rectifier T1 has no power output, the first optocoupler J1 is turned off, the first power supply VCC1 and the second resistor R2 trigger the first power tube Q1 to turn on, and if the second rectifier T2 has power output at this time, the power will be transmitted to the first voltage regulator IC1 through the first power tube Q1, and the first voltage regulator IC1 will continue to perform voltage stabilization. Similarly, when the second voltage regulator IC2 has no power output, the second optocoupler J2 is turned off, the second power supply VCC2 and the fourth resistor R4 trigger the second power tube Q2 to turn on, and when the first rectifier T1 has power output, the power will be transmitted to the second voltage regulator IC2 through the second power tube Q2, and the second voltage regulator IC2 will perform voltage stabilization to meet the power supply requirements of the vacuum sealer.

[0054] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0055] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. The voltage stabilizer of the vacuum sealer is characterized by: The voltage-stabilized power supply of the vacuum sealer includes: a power supply module, a first voltage-stabilizing module, a second voltage-stabilizing module, a vacuum sealer module, a first power supply detection module, a second power supply detection module and a passage control module; The power module is used to receive AC power, transform the AC power, and output the first DC power and the second DC power; The first voltage stabilizing module is connected to the power module and the path control module, and is used to perform rectification and filtering processing on the first DC electric energy, and is used to perform voltage stabilizing and regulating processing on the processed electric energy and the electric energy transmitted by the path control module and output the first electric energy; The second voltage stabilizing module is connected to the power module and the path control module, and is used to perform rectification and filtering processing on the second DC electric energy, and is used to perform voltage stabilizing and regulating processing on the processed electric energy and the electric energy transmitted by the path control module and output the second electric energy; The vacuum sealer module is connected to the first voltage stabilizing module and the second voltage stabilizing module, and is used to receive the first electric energy and the second electric energy and to power the vacuum sealer; The first power supply detection module is connected to the first voltage stabilizing module and is used to perform power failure detection on the electric energy after rectification by the first voltage stabilizing module, and output a first control signal when the first voltage stabilizing module loses power; The second power supply detection module is connected to the second voltage stabilizing module and is used to perform power failure detection on the electric energy after rectification by the second voltage stabilizing module, and output a second control signal when the second voltage stabilizing module loses power; The path control module is connected to the first power supply detection module and the second power supply detection module, and is used to receive a first control signal and transmit the electric energy after voltage stabilization and filtering of the first voltage stabilization module to the second voltage stabilization module, and is used to receive a second control signal and transmit the electric energy after voltage stabilization and filtering of the second voltage stabilization module to the first voltage stabilization module.

2. The voltage-stabilized power supply of the vacuum sealing machine according to claim 1, characterized in that: The power supply module includes a power supply interface and a first transformer; the first voltage stabilizing module includes a first voltage stabilizer, a first diode, a first capacitor, a first rectifier and a second capacitor; the vacuum sealer module includes a vacuum sealer power supply port; The first end and the second end of the power interface are respectively connected to the first end and the second end of the primary side of the first transformer, the first end and the second end of the first secondary side of the first transformer are respectively connected to the first input end and the second input end of the first rectifier, the first end and the second end of the second secondary side of the first transformer are connected to the second regulator module, the first output end of the first rectifier is connected to the two anodes of the first diode, the cathode of the first diode is connected to the first end of the first capacitor and the first end of the first regulator, the second end of the first regulator is connected to one end of the second capacitor and the first power end of the power port of the vacuum sealer, and the second output end of the first rectifier, the second end of the first capacitor, the third end of the first regulator, the other end of the second capacitor and the ground end of the power port of the vacuum sealer are all grounded.

3. The voltage-stabilized power supply of the vacuum sealing machine according to claim 2, characterized in that: The second voltage stabilizing module includes a second rectifier, a second diode, a third capacitor, a second voltage stabilizer and a fourth capacitor; The first input terminal and the second input terminal of the second rectifier are respectively connected to the first terminal and the second terminal of the second secondary side of the first transformer, the first output terminal of the second voltage regulator is connected to the anode of the second diode, the cathode of the second diode is connected to the first end of the third capacitor and the first end of the second voltage regulator, the second end of the second voltage regulator is connected to one end of the fourth capacitor and the second power supply end of the power port of the vacuum sealer, and the second output terminal of the second rectifier, the second end of the third capacitor, the third end of the second voltage regulator and the other end of the fourth capacitor are all grounded.

4. The voltage-stabilized power supply of the vacuum sealing machine according to claim 3, characterized in that: The first power supply detection module includes a first power supply, a first resistor, a second resistor and a first optical coupler; The first end of the first optocoupler is connected to the first output end of the first rectifier through the first resistor, the second end of the first optocoupler is connected to the second output end of the first rectifier, the first end of the first power supply is connected to the first end of the second resistor, the second end of the second resistor is connected to the third end of the first optocoupler and the path control module, and the fourth end of the first optocoupler is grounded.

5. The voltage-stabilized power supply of the vacuum sealing machine according to claim 4, characterized in that: The passage control module includes a first power tube and a second power tube; The source of the first power tube is connected to the first end of the first capacitor, the drain of the first power tube is connected to the drain of the second power tube, the source of the second power tube is connected to the first end of the third capacitor, the gate of the first power tube is connected to the second end of the second resistor, and the gate of the second power tube is connected to the second power supply detection module.

6. The voltage-stabilized power supply of the vacuum sealing machine according to claim 5, characterized in that: The second power supply detection module includes a third resistor, a second optical coupler, a fourth resistor and a second power supply; The first end of the second optocoupler is connected to the first output end of the second rectifier through the third resistor, the second end of the second optocoupler is connected to the second output end of the second rectifier, the third end of the second optocoupler is connected to the gate of the second power tube and to the second power supply through the fourth resistor, and the fourth end of the second optocoupler is grounded.

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