Direct-current yield circuit suitable for sheet deviation rectification

Abstract

The utility model discloses a direct current yield circuit suitable for sheet rectification. According to the scheme, the direct-current yield circuit suitable for sheet deviation rectification comprises a first direct-current yield circuit, a second direct-current yield circuit, a third direct-current yield circuit and a low-power-consumption current-limiting protection switch circuit which are applied to sheet deviation rectification operation, realize voltage conversion and provide stable power supply; the first direct current yield circuit is a direct current 24-volt-to-12-volt circuit; the second direct-current photovoltaic circuit is a direct-current 12V-5V circuit; the third direct-current photovoltaic circuit is a direct-current 5V-3.3 V circuit; and the current-limiting protection module has a rapid and low-power-consumption current-limiting protection function, so that power can be output and supplied to other corresponding same or different deviation rectification processing modules through different sections of power sources, and the whole product can perform normal deviation rectification operation in the deviation rectification process.

Description

Technical Field

[0001] The utility model belongs to the technical field of sheet material deviation correction processing circuits, and in particular relates to a direct current voltage reduction circuit suitable for sheet material deviation correction. Background Art

[0002] At present, during the web correction process, when the electric eye and edge sensor encounter a sheet with a notch during high-speed correction, there will be a sudden change in movement, causing the relatively fragile sheet to break.

[0003] Most of the correction sensors on the market currently use 16-bit single-chip processing systems. When correcting at high speed, the data processing speed is not fast enough, resulting in large errors and uneven correction results. In addition, during the correction process, due to the poor data transmission of the electric eye, it is impossible to use peripheral data calibration.

[0004] In addition, in the existing sheet (coil) correction process, the DC voltage reduction circuit accessories involved cannot achieve fast and low-power current limiting protection; that is, it is impossible to achieve different segments of power output to supply power to other corresponding same or different correction processing modules.

[0005] Therefore, in view of the technical problem that the DC voltage reduction circuit accessories mentioned above cannot achieve fast and low-power current limiting protection, it is urgent to design and develop a DC voltage reduction circuit suitable for sheet correction. Utility Model Content

[0006] In order to overcome the shortcomings and difficulties of the above-mentioned prior art, the purpose of the utility model is to provide a DC voltage reduction circuit suitable for sheet material correction, so as to realize the sheet material (roll material) correction process. The provided DC voltage reduction circuit has a fast and low-power current limiting protection function, which can realize the power supply to other corresponding same or different correction processing modules through different segments of power output.

[0007] The utility model aims to provide a direct current voltage reduction circuit suitable for sheet material deviation correction.

[0008] The purpose of the utility model is achieved as follows: the DC voltage reduction circuit includes a first DC voltage reduction circuit, a second DC voltage reduction circuit, a third DC voltage reduction circuit and a low power consumption current limiting protection switch circuit which are applied to the sheet material correction operation and realize voltage conversion and provide a stable power supply;

[0009] The first DC voltage step-down circuit is a 24V DC voltage step-down circuit; the second DC voltage step-down circuit is a 12V DC voltage step-down circuit; and the third DC voltage step-down circuit is a 5V DC voltage step-down circuit.

[0010] Furthermore, the first DC voltage reduction circuit includes a first control chip;

[0011] The eighth pin of the first control chip is respectively connected to one end of the first resistor, the 24V power supply terminal, one end of the first capacitor, one end of the second capacitor, and the cathode of the first diode;

[0012] The anode of the first diode is connected to one end of the first fuse; the other end of the first fuse is connected to the first pin of the first terminal block; the second pin of the first terminal block is connected to the cathode of the second diode;

[0013] The third pin of the first control chip is connected to one end of the third capacitor;

[0014] The seventh pin of the first control chip is respectively connected to the other end of the first resistor and one end of the second resistor;

[0015] The fifth pin of the first control chip is connected to one end of the third resistor and one end of the fourth resistor respectively;

[0016] The first pin of the first control chip is respectively connected to the cathode of the third diode, one end of the fourth capacitor, and one end of the first inductor;

[0017] The second pin of the first control chip is connected to the other end of the fourth capacitor;

[0018] The other end of the first inductor is respectively connected to the other end of the third resistor, one end of the fifth capacitor, one end of the sixth capacitor, and a 12V power supply end;

[0019] The anode of the second diode, the other end of the first capacitor, the other end of the second capacitor, the other end of the second resistor, the other end of the third capacitor, the fourth pin of the first control chip, the ninth pin of the first control chip, the anode of the third diode, the other end of the fourth resistor, the other end of the fifth capacitor and the other end of the sixth capacitor are commonly grounded.

[0020] Furthermore, the model of the first control chip is MP248DN; the model of the first diode and the second diode are both SS54; the model of the third diode is MBRS540T3; and the model of the first inductor is FXC1040.

[0021] Furthermore, the second DC voltage reduction circuit includes a second control chip;

[0022] The eighth pin of the second control chip is connected to one end of the fifth resistor and the 12V power supply terminal respectively;

[0023] The other end of the fifth resistor is connected to one end of the sixth resistor and the seventh pin of the second control chip; the third pin of the second control chip is connected to one end of the seventh capacitor;

[0024] The fifth pin of the second control chip is respectively connected to one end of the seventh resistor and one end of the eighth resistor;

[0025] The first pin of the second control chip is respectively connected to the cathode of the fourth diode, one end of the eighth capacitor, and one end of the second inductor;

[0026] The second pin of the second control chip is connected to the other end of the eighth capacitor;

[0027] The other end of the second inductor is respectively connected to the other end of the seventh resistor, one end of the ninth capacitor, one end of the tenth capacitor, the cathode of the fifth diode, and the 5V power supply end;

[0028] The other end of the sixth resistor, the other end of the seventh capacitor, the anode of the fourth diode, the other end of the eighth resistor, the other end of the ninth capacitor, the anode of the fifth diode, the other end of the tenth capacitor, the fourth pin of the second control chip and the ninth pin of the second control chip are grounded in common.

[0029] Furthermore, the model of the second control chip is MP248DN; the model of the fourth diode is MBRS540T3; the model of the fifth diode is SMAJ5.0CA; and the model of the second inductor is FXC1040.

[0030] Furthermore, the third DC voltage reduction circuit includes a third control chip;

[0031] The third pin of the third control chip is connected to one end of the eleventh capacitor and the 5V power supply end respectively;

[0032] The second pin of the third control chip is respectively connected to the 3.3V power supply terminal, one end of the twelfth capacitor, one end of the thirteenth capacitor, and one end of the sixty-sixth resistor; the other end of the sixty-sixth resistor is connected to the anode of the sixth light-emitting diode;

[0033] The other end of the eleventh capacitor, the ground pin of the third control chip, the other end of the twelfth capacitor, the other end of the thirteenth capacitor and the cathode of the sixth light emitting diode are grounded in common.

[0034] Furthermore, the model of the third control chip is AMS1086.

[0035] Furthermore, the low-power consumption current-limiting protection switch circuit includes a fourth control chip;

[0036] The fifth pin of the fourth control chip is respectively connected to one end of the ninth resistor and the 3.3V power input terminal;

[0037] The other end of the ninth resistor is connected to the fourth pin of the fourth control chip;

[0038] The third pin of the fourth control chip is connected to one end of the tenth resistor;

[0039] The fifth pin of the fourth control chip is connected to the 3.3V power supply terminal and one end of the fourteenth capacitor respectively;

[0040] The first ground terminal of the fourth control chip, the other end of the tenth resistor, and the other end of the fourteenth capacitor are grounded in common.

[0041] Furthermore, the model of the fourth control chip is MT9700.

[0042] The utility model provides a DC voltage reduction circuit suitable for sheet material correction, that is, the DC voltage reduction circuit includes a first DC voltage reduction circuit, a second DC voltage reduction circuit, a third DC voltage reduction circuit and a low-power current limiting protection switch circuit that are used for sheet material correction operations and realize voltage conversion and provide stable power supply; the first DC voltage reduction circuit is a DC 24 volt to 12 volt circuit; the second DC voltage reduction circuit is a DC 12 volt to 5 volt circuit; the third DC voltage reduction circuit is a DC 5 volt to 3.3 volt circuit; it has a fast and low-power current limiting protection function, which can realize power supply to other corresponding same or different correction processing modules through power outputs of different segments, so that the entire product can perform normal correction operations during the correction process. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0044] Figure 1 This is a schematic diagram of the principle framework of a DC voltage reduction circuit suitable for sheet material correction in the utility model;

[0045] Figure 2 This is a schematic diagram of a first DC voltage reduction circuit of a DC voltage reduction circuit suitable for sheet material correction according to the utility model;

[0046] Figure 3 This is a schematic diagram of a second DC voltage reduction circuit of a DC voltage reduction circuit suitable for sheet material deviation correction according to the utility model;

[0047] Figure 4 The third DC voltage reduction circuit schematic diagram of the utility model is a DC voltage reduction circuit suitable for sheet material deviation correction.

[0048] Figure 5This is a schematic diagram of a low-power consumption current-limiting protection switch circuit of a DC voltage reduction circuit suitable for sheet material correction in the utility model;

[0049] In the figure: R1-first resistor; R2-second resistor; R3-third resistor; R4-fourth resistor; R5-fifth resistor; R6-sixth resistor; R7-seventh resistor; R8-eighth resistor; R9-ninth resistor; R10-tenth resistor; R66-sixty-sixth resistor; C1-first capacitor; C2-second capacitor; C3-third capacitor; C4-fourth capacitor; C5-fifth capacitor; C6-sixth capacitor; C7-seventh capacitor; C8-eighth capacitor; C9-ninth capacitor; C10-tenth capacitor Capacitor; C11-11th capacitor; C12-12th capacitor; C13-13th capacitor; C14-14th capacitor; D1-1st diode; D2-2nd diode; D3-3rd diode; D4-4th diode; D5-5th diode; D6-6th light emitting diode; U1-1st control chip; U2-2nd control chip; U3-3rd control chip; U4-4th control chip; F1-1st fuse; L1-1st inductor; L2-2nd inductor; P1-1st terminal block;

[0050] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0051] In order to better understand the purpose, technical solutions and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and specific implementation methods. Those skilled in the art can easily understand other advantages and functions of the utility model from the contents disclosed in this specification.

[0052] The present invention may also be implemented or applied through other different specific examples, and the details in this specification may also be modified and changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0053] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0054] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. Secondly, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0055] The present invention will be further described below in conjunction with the accompanying drawings. Figure 1-Figure 5 As shown, the utility model provides a DC voltage reduction circuit suitable for sheet material correction.

[0056] The DC voltage reduction circuit includes a first DC voltage reduction circuit, a second DC voltage reduction circuit, a third DC voltage reduction circuit and a low power consumption current limiting protection switch circuit which are used for sheet material correction operation and realize voltage conversion and provide stable power supply;

[0057] The first DC voltage step-down circuit is a 24V DC voltage step-down circuit; the second DC voltage step-down circuit is a 12V DC voltage step-down circuit; and the third DC voltage step-down circuit is a 5V DC voltage step-down circuit.

[0058] The first DC voltage reduction circuit includes a first control chip;

[0059] The eighth pin of the first control chip is respectively connected to one end of the first resistor, the 24V power supply terminal, one end of the first capacitor, one end of the second capacitor, and the cathode of the first diode;

[0060] The anode of the first diode is connected to one end of the first fuse; the other end of the first fuse is connected to the first pin of the first terminal block; the second pin of the first terminal block is connected to the cathode of the second diode;

[0061] The third pin of the first control chip is connected to one end of the third capacitor;

[0062] The seventh pin of the first control chip is respectively connected to the other end of the first resistor and one end of the second resistor;

[0063] The fifth pin of the first control chip is connected to one end of the third resistor and one end of the fourth resistor respectively;

[0064] The first pin of the first control chip is respectively connected to the cathode of the third diode, one end of the fourth capacitor, and one end of the first inductor;

[0065] The second pin of the first control chip is connected to the other end of the fourth capacitor;

[0066] The other end of the first inductor is respectively connected to the other end of the third resistor, one end of the fifth capacitor, one end of the sixth capacitor, and a 12V power supply end;

[0067] The anode of the second diode, the other end of the first capacitor, the other end of the second capacitor, the other end of the second resistor, the other end of the third capacitor, the fourth pin of the first control chip, the ninth pin of the first control chip, the anode of the third diode, the other end of the fourth resistor, the other end of the fifth capacitor and the other end of the sixth capacitor are commonly grounded.

[0068] The model of the first control chip is MP248DN; the model of the first diode and the second diode are both SS54; the model of the third diode is MBRS540T3; and the model of the first inductor is FXC1040.

[0069] The second DC voltage reduction circuit includes a second control chip;

[0070] The eighth pin of the second control chip is connected to one end of the fifth resistor and the 12V power supply terminal respectively;

[0071] The other end of the fifth resistor is connected to one end of the sixth resistor and the seventh pin of the second control chip; the third pin of the second control chip is connected to one end of the seventh capacitor;

[0072] The fifth pin of the second control chip is respectively connected to one end of the seventh resistor and one end of the eighth resistor;

[0073] The first pin of the second control chip is respectively connected to the cathode of the fourth diode, one end of the eighth capacitor, and one end of the second inductor;

[0074] The second pin of the second control chip is connected to the other end of the eighth capacitor;

[0075] The other end of the second inductor is respectively connected to the other end of the seventh resistor, one end of the ninth capacitor, one end of the tenth capacitor, the cathode of the fifth diode, and the 5V power supply end;

[0076] The other end of the sixth resistor, the other end of the seventh capacitor, the anode of the fourth diode, the other end of the eighth resistor, the other end of the ninth capacitor, the anode of the fifth diode, the other end of the tenth capacitor, the fourth pin of the second control chip and the ninth pin of the second control chip are grounded in common.

[0077] The model of the second control chip is MP248DN; the model of the fourth diode is MBRS540T3; the model of the fifth diode is SMAJ5.0CA; and the model of the second inductor is FXC1040.

[0078] The third DC voltage reduction circuit includes a third control chip;

[0079] The third pin of the third control chip is connected to one end of the eleventh capacitor and the 5V power supply end respectively;

[0080] The second pin of the third control chip is respectively connected to the 3.3V power supply terminal, one end of the twelfth capacitor, one end of the thirteenth capacitor, and one end of the sixty-sixth resistor; the other end of the sixty-sixth resistor is connected to the anode of the sixth light-emitting diode;

[0081] The other end of the eleventh capacitor, the ground pin of the third control chip, the other end of the twelfth capacitor, the other end of the thirteenth capacitor and the cathode of the sixth light emitting diode are grounded in common.

[0082] The model of the third control chip is AMS1086.

[0083] The low-power consumption current-limiting protection switch circuit comprises a fourth control chip;

[0084] The fifth pin of the fourth control chip is respectively connected to one end of the ninth resistor and the 3.3V power input terminal;

[0085] The other end of the ninth resistor is connected to the fourth pin of the fourth control chip;

[0086] The third pin of the fourth control chip is connected to one end of the tenth resistor;

[0087] The fifth pin of the fourth control chip is connected to the 3.3V power supply terminal and one end of the fourteenth capacitor respectively;

[0088] The first ground terminal of the fourth control chip, the other end of the tenth resistor, and the other end of the fourteenth capacitor are grounded together. The model of the fourth control chip is MT9700.

[0089] Specifically, in the embodiment of the utility model, the DC 24V to 12V circuit module: P1 inputs the DC 24V positive and negative voltages, and the positive electrode forms an overcurrent protection function through the F1 fuse. The D1 and D2 diodes prevent the power supply from being connected in reverse. C1, C2, and C3 are power input filter circuits, and the filtered voltage is input to U1. R1 and R2 are combined into a voltage divider circuit, and the voltage divider is input to the 7th pin of the U1 chip. U1, C4, L1, R3, and R4 are combined into a part of the circuit for step-down output of DC 12V, and D3 is a reverse withstand voltage protection diode. C5 and C6 are DC 12V output filter capacitors.

[0090] 12V DC to 5V step-down circuit module: Input voltage 12V DC to R5 and R6 to form a voltage divider circuit, and the divided voltage is input to the 7th pin of U2 chip. U2, C8, L2, R7, and R8 form a step-down output DC 5V circuit, and D4 is a reverse withstand voltage protection diode. C9 and C10 are DC 5V output filter capacitors, and D5 is a reverse cut-off voltage protection diode.

[0091] 5V DC step-down 3.3V circuit module: input voltage 5V DC to C11 filter capacitor, the filtered voltage is input to U3 pin 3, and output 3.3V through U3 linear step-down, C12 and C13 are U3 output voltage filter capacitors. R66 and D6 form the power indicator circuit, R66 resistor is the current limiting diode of D6 diode.

[0092] Low power consumption current limiting protection switch: R9 is the current limiting resistor enabled at pin 4 of U4, R10 is the current limiting resistor set externally for U4, and C14 is the output filter capacitor for U4.

[0093] The utility model provides a DC voltage reduction circuit suitable for sheet material correction, that is, the DC voltage reduction circuit includes a first DC voltage reduction circuit, a second DC voltage reduction circuit, a third DC voltage reduction circuit and a low-power current limiting protection switch circuit that are used for sheet material correction operations and realize voltage conversion and provide stable power supply; the first DC voltage reduction circuit is a DC 24 volt to 12 volt circuit; the second DC voltage reduction circuit is a DC 12 volt to 5 volt circuit; the third DC voltage reduction circuit is a DC 5 volt to 3.3 volt circuit; it has a fast and low-power current limiting protection function, which can realize power supply to other corresponding same or different correction processing modules through power outputs of different segments, so that the entire product can perform normal correction operations during the correction process.

[0094] That is to say, the above solution can solve the problem of power supply for the whole product. The circuit of this solution can realize the power output of different segments to supply power to other modules, so that the whole product can work normally.

[0095] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A DC buckling circuit suitable for sheet material correction, characterized in that: The DC voltage reduction circuit includes a first DC voltage reduction circuit, a second DC voltage reduction circuit, a third DC voltage reduction circuit and a low power consumption current limiting protection switch circuit; The first DC voltage step-down circuit is a DC 24V to 12V circuit; the second DC voltage step-down circuit is a DC 12V to 5V circuit; the third DC voltage step-down circuit is a DC 5V to 3.3V circuit.

2. A DC voltage reduction circuit suitable for sheet material deviation correction according to claim 1, characterized in that: The first DC voltage reduction circuit includes a first control chip; The eighth pin of the first control chip is respectively connected to one end of the first resistor, the 24V power supply terminal, one end of the first capacitor, one end of the second capacitor, and the cathode of the first diode; The anode of the first diode is connected to one end of the first fuse; the other end of the first fuse is connected to the first pin of the first terminal block; the second pin of the first terminal block is connected to the cathode of the second diode; The third pin of the first control chip is connected to one end of the third capacitor; The seventh pin of the first control chip is respectively connected to the other end of the first resistor and one end of the second resistor; The fifth pin of the first control chip is connected to one end of the third resistor and one end of the fourth resistor respectively; The first pin of the first control chip is respectively connected to the cathode of the third diode, one end of the fourth capacitor, and one end of the first inductor; The second pin of the first control chip is connected to the other end of the fourth capacitor; The other end of the first inductor is respectively connected to the other end of the third resistor, one end of the fifth capacitor, one end of the sixth capacitor, and a 12V power supply end; The anode of the second diode, the other end of the first capacitor, the other end of the second capacitor, the other end of the second resistor, the other end of the third capacitor, the fourth pin of the first control chip, the ninth pin of the first control chip, the anode of the third diode, the other end of the fourth resistor, the other end of the fifth capacitor and the other end of the sixth capacitor are commonly grounded.

3. A DC voltage reduction circuit suitable for sheet material correction according to claim 2, characterized in that: The model of the first control chip is MP248DN; the model of the first diode and the second diode are both SS54; the model of the third diode is MBRS540T3; and the model of the first inductor is FXC1040.

4. A DC voltage reduction circuit suitable for sheet material correction according to claim 1, characterized in that: The second DC voltage reduction circuit includes a second control chip; The eighth pin of the second control chip is connected to one end of the fifth resistor and the 12V power supply terminal respectively; The other end of the fifth resistor is connected to one end of the sixth resistor and the seventh pin of the second control chip; the third pin of the second control chip is connected to one end of the seventh capacitor; The fifth pin of the second control chip is respectively connected to one end of the seventh resistor and one end of the eighth resistor; The first pin of the second control chip is respectively connected to the cathode of the fourth diode, one end of the eighth capacitor, and one end of the second inductor; The second pin of the second control chip is connected to the other end of the eighth capacitor; The other end of the second inductor is respectively connected to the other end of the seventh resistor, one end of the ninth capacitor, one end of the tenth capacitor, the cathode of the fifth diode, and the 5V power supply end; The other end of the sixth resistor, the other end of the seventh capacitor, the anode of the fourth diode, the other end of the eighth resistor, the other end of the ninth capacitor, the anode of the fifth diode, the other end of the tenth capacitor, the fourth pin of the second control chip and the ninth pin of the second control chip are grounded in common.

5. A DC voltage reduction circuit suitable for sheet material correction according to claim 4, characterized in that: The model of the second control chip is MP248DN; the model of the fourth diode is MBRS540T3; the model of the fifth diode is SMAJ5.0CA; and the model of the second inductor is FXC1040.

6. A DC voltage reduction circuit suitable for sheet material correction according to claim 1, characterized in that: The third DC voltage reduction circuit includes a third control chip; The third pin of the third control chip is connected to one end of the eleventh capacitor and the 5V power supply end respectively; The second pin of the third control chip is respectively connected to the 3.3V power supply terminal, one end of the twelfth capacitor, one end of the thirteenth capacitor, and one end of the sixty-sixth resistor; the other end of the sixty-sixth resistor is connected to the anode of the sixth light-emitting diode; The other end of the eleventh capacitor, the ground pin of the third control chip, the other end of the twelfth capacitor, the other end of the thirteenth capacitor and the cathode of the sixth light emitting diode are grounded in common.

7. A DC voltage reduction circuit suitable for sheet material correction according to claim 6, characterized in that: The model of the third control chip is AMS1086.

8. A DC voltage reduction circuit suitable for sheet material deviation correction according to claim 1, characterized in that: The low-power consumption current-limiting protection switch circuit comprises a fourth control chip; The fifth pin of the fourth control chip is respectively connected to one end of the ninth resistor and the 3.3V power input terminal; The other end of the ninth resistor is connected to the fourth pin of the fourth control chip; The third pin of the fourth control chip is connected to one end of the tenth resistor; The fifth pin of the fourth control chip is connected to the 3.3V power supply terminal and one end of the fourteenth capacitor respectively; The first ground terminal of the fourth control chip, the other end of the tenth resistor, and the other end of the fourteenth capacitor are grounded in common.

9. A DC voltage reduction circuit suitable for sheet material correction according to claim 8, characterized in that: The model of the fourth control chip is MT9700.

Images