Direct-current non-inductive brushless motor control system in gun drill

Abstract

The utility model relates to the technical field of motor control systems, and provides a direct-current non-inductive brushless motor control system in a gun drill, which comprises a base and a machine box. According to the utility model, the control structure and the switch-on button are arranged, the external power supply is connected through the power supply interface, and the power supply interface is electrically connected with the rectifier, so that the rectifier converts the external power supply into direct current, the motor is connected with the connector, and the connector is electrically connected with the photoelectric encoder; a rotation speed angle position signal of the motor is positioned through the photoelectric encoder, the photoelectric encoder is electrically connected with the single-chip microcomputer, the single-chip microcomputer is electrically connected with the rotation speed regulator, and through control of the rotation speed regulator, the forward rotation knob, the reverse rotation knob, the acceleration knob and the deceleration knob can be connected with the rotation speed regulator to control the motor. And the rotating speed of the motor is displayed through the display screen, the operation is simple, and the working efficiency of the motor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor control systems, in particular to a direct current sensorless brushless motor control system for a gun drill. Background Art

[0002] The motor control system is a system used to adjust the operating state of the motor to ensure that the motor operates in the expected manner. The core purpose of the motor control system is to change its operating state by controlling the input signal of the motor. A DC brushless motor control system in a gun drill is an advanced motor drive technology used to achieve efficient and precise power control to adjust the speed and torque of the motor, thereby achieving precise control of tools such as gun drills. The existing motor control system is not convenient for disassembly, maintenance and assembly, and has many lines, making it inconvenient to limit multiple groups of lines. The operation is complicated and inconvenient during use, and work efficiency cannot be improved. Utility Model Content

[0003] The utility model aims to provide a direct current brushless motor control system for a gun drill, so as to solve the defect that the existing motor control system has complicated operation.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a control system for a DC brushless motor in a gun drill, comprising a base and a machine box;

[0005] The base includes a machine box, a display screen, a top cover, a fixing structure, a limit plate, a power module, a control structure, a connecting structure and a knob assembly. The machine box is fixed to the top of the base, and a display screen is provided on one side of the machine box.

[0006] A top cover is provided at the top of the machine box, and fixing structures are provided on both sides of the top cover. A limit plate is provided at the middle position inside the machine box, and power modules are provided on both sides of the limit plate.

[0007] A control structure is arranged on the top of the power module inside the machine box, a connection structure is arranged on one side of the machine box, and a knob assembly is arranged on one side of the base.

[0008] Preferably, the fixing structure includes a card plate, a rotating shaft, a card block and a card slot, the card plate is arranged on both sides of the top cover, a rotating shaft is arranged inside the card plate, a card block is fixed on one side of the card plate, and a card slot is arranged inside the machine box outside the card block.

[0009] Preferably, two groups of the card plates are provided, and the card plates are symmetrically distributed on both sides of the top cover. The card plates and the top cover form a rotating structure through a rotating shaft, and the card blocks and the card slots form a locking structure.

[0010] Preferably, the control structure includes a circuit board, a single-chip microcomputer, a data processor, a rectifier, a speed regulator and a photoelectric encoder. The circuit board is arranged inside the machine box, and the single-chip microcomputer, the data processor, the rectifier, the speed regulator and the photoelectric encoder are arranged in sequence on one side of the circuit board.

[0011] Preferably, the output end of the single-chip microcomputer is electrically connected to the input end of the data processor, the input end of the single-chip microcomputer is electrically connected to the output end of the speed regulator, and the output end of the rectifier is electrically connected to the output end of the data processor.

[0012] Preferably, the connecting structure includes a connecting head, a support rod, a fixing plate, a limiting groove, a spring, a clamping block and a groove, the connecting head is arranged on one side of the machine box, a support rod is fixed at the edge position of one side of the machine box, a fixing plate is fixed at one end of the support rod, a limiting groove is arranged inside the fixing plate, springs are fixed at both ends of the limiting groove, a clamping block is fixed at one end of the spring, and a groove is arranged on one side of the clamping block.

[0013] Preferably, four groups of connecting heads are provided, and the connecting heads are distributed at equal intervals on one side of the machine box. Four groups of limiting grooves are provided, and the limiting grooves are distributed at equal intervals inside the fixed plate. The connecting heads correspond to the limiting grooves one by one. Two groups of springs are provided, and the springs are symmetrically distributed inside the limiting grooves. The grooves are provided in an arc shape.

[0014] Preferably, the knob assembly includes a switch button, a forward knob, a reverse knob, an acceleration knob, a deceleration knob and a power interface. The switch button, the forward knob, the reverse knob, the acceleration knob and the deceleration knob are sequentially arranged on one side of the machine box, and the power interface is arranged on the side of the switch button away from the forward knob.

[0015] Preferably, the output ends of the forward knob, reverse knob, acceleration knob and deceleration knob are electrically connected to the input end of the speed regulator respectively, and the output end of the power interface is electrically connected to the input end of the rectifier.

[0016] The utility model provides a DC brushless motor control system for a gun drill, which has the following advantages:

[0017] By providing a fixing structure, the card plate is pressed to make the card block buckle into the inside of the card slot, so that the top cover is fixed on the top of the machine box, and the card plate is turned on the rotating shaft by shifting the card plate to drive the card block to separate from the inside of the card slot, so that the top cover is removed from the top of the machine box, thereby facilitating the installation and removal of the top cover;

[0018] By providing a control structure, turning on the switch button, connecting the external power supply through the power interface, the power interface is electrically connected to the rectifier, so that the rectifier converts the external power supply into direct current, connecting the motor with the connector, the connector is electrically connected to the photoelectric encoder, the speed angle position signal of the motor is positioned through the photoelectric encoder, the photoelectric encoder is electrically connected to the single-chip microcomputer, the single-chip microcomputer is electrically connected to the speed regulator, through the control of the speed regulator, the forward knob, the reverse knob, the acceleration knob and the deceleration knob can be respectively connected to the speed regulator to control the motor, and the speed of the motor is displayed through the display screen, the operation is simple, thereby improving the working efficiency of the motor;

[0019] By providing a connecting structure, the motor connecting wire is connected to the connecting head. By passing the motor connecting wire through the inside of the groove, the clamping block is driven to clamp the motor connecting wire under the elastic force of the spring. The motor connecting wire is limited by the mutual cooperation of the two groups of grooves, thereby ensuring the stability of the connection between the motor connecting wire and the connecting head, avoiding problems such as loosening and falling off of the connection between the connecting head and the motor connecting wire, and by providing multiple groups of connecting heads, it is convenient to effectively control multiple groups of motors. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0023] Figure 4 It is a schematic diagram of a top view cross-sectional structure of the control structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the system framework structure of the utility model.

[0025] Explanation of reference numerals in the figure: 1, base; 101, machine box; 102, display screen; 103, top cover; 104, fixed structure; 1041, card board; 1042, shaft; 1043, card block; 1044, card slot; 105, limit plate; 106, power module; 107, control structure; 1071, circuit board; 1072, single chip microcomputer; 1073, data processor; 1074, rectifier; 1075, speed regulation Device; 1076, photoelectric encoder; 108, connection structure; 1081, connector; 1082, support rod; 1083, fixing plate; 1084, limit slot; 1085, spring; 1086, clamping block; 1087, groove; 109, knob assembly; 1091, switch button; 1092, forward knob; 1093, reverse knob; 1094, acceleration knob; 1095, deceleration knob; 1096, power interface. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-5 The utility model provides a control system for a DC brushless motor in a gun drill, which includes a base 1 and a machine box 101.

[0028] Reference Figure 1 and Figure 3 As shown, the base 1 includes a machine box 101, a display screen 102, a top cover 103, a fixing structure 104, a limit plate 105, a power module 106, a control structure 107, a connection structure 108 and a knob assembly 109. The machine box 101 is fixed to the top of the base 1, a display screen 102 is arranged on one side of the machine box 101, a top cover 103 is arranged on the top of the machine box 101, and fixing structures 104 are arranged on both sides of the top cover 103. The fixing structure 104 includes a card plate 1041, a rotating shaft 1042, and a card block 104 3 and a card slot 1044, the card plate 1041 is arranged on both sides of the top cover 103, the card plate 1041 is provided with a rotating shaft 1042 inside, a card block 1043 is fixed on one side of the card plate 1041, and a card slot 1044 is arranged inside the machine box 101 outside the card block 1043, and two groups of card plates 1041 are provided, and the card plates 1041 are symmetrically distributed on both sides of the top cover 103. The card plate 1041 and the top cover 103 form a rotating structure through the rotating shaft 1042, and the card block 1043 and the card slot 1044 form a locking structure.

[0029] By pressing the card plate 1041, the card block 1043 is buckled into the inside of the card slot 1044, so that the top cover 103 is fixed to the top of the machine box 101. By moving the card plate 1041 to make the card plate 1041 rotate on the rotating shaft 1042, the card block 1043 is driven to separate from the inside of the card slot 1044, so that the top cover 103 is removed from the top of the machine box 101, thereby facilitating the installation and removal of the top cover 103.

[0030] Reference Figure 3-Figure 5 As shown, a limit plate 105 is provided at the middle position inside the machine box 101, and power modules 106 are provided on both sides of the limit plate 105. A control structure 107 is provided at the top of the power module 106 inside the machine box 101. The control structure 107 includes a circuit board 1071, a single-chip microcomputer 1072, a data processor 1073, a rectifier 1074, a speed regulator 1075 and a photoelectric encoder 1076. The circuit board 1071 is provided inside the machine box 101, and a single-chip microcomputer 1072, a data processor 1073, a rectifier 1074, a speed regulator 1075 and a photoelectric encoder 1076 are provided on one side of the circuit board 1071 in sequence. The output end of the single-chip microcomputer 1072 is electrically connected to the input end of the data processor 1073, the input end of the single-chip microcomputer 1072 is electrically connected to the output end of the speed regulator 1075, and the rectifier 1074 is electrically connected to the output end of the speed regulator 1075. The output end is electrically connected to the output end of the data processor 1073. A knob assembly 109 is provided on one side of the base 1. The knob assembly 109 includes a switch button 1091, a forward knob 1092, a reverse knob 1093, an acceleration knob 1094, a deceleration knob 1095 and a power interface 1096. A switch button 1091, a forward knob 1092, a reverse knob 1093, an acceleration knob 1094 and a deceleration knob 1095 are sequentially provided on one side of the machine box 101. A power interface 1096 is provided on the side of the switch button 1091 away from the forward knob 1092. The output ends of the forward knob 1092, the reverse knob 1093, the acceleration knob 1094 and the deceleration knob 1095 are respectively electrically connected to the input end of the speed regulator 1075, and the output end of the power interface 1096 is electrically connected to the input end of the rectifier 1074.

[0031] Turn on the switch button 1091, connect the external power supply through the power interface 1096, the power interface 1096 is electrically connected to the rectifier 1074, so that the rectifier 1074 converts the external power supply into direct current, and connects to the connector 1081 through the motor, the connector 1081 is electrically connected to the photoelectric encoder 1076, and the speed angle position signal of the motor is positioned through the photoelectric encoder 1076, the photoelectric encoder 1076 is electrically connected to the single-chip microcomputer 1072, and the single-chip microcomputer 1072 is electrically connected to the speed regulator 1075. Through the control of the speed regulator 1075, the forward knob 1092, the reverse knob 1093, the acceleration knob 1094 and the deceleration knob 1095 can be respectively connected to the speed regulator 1075 to control the motor, and the speed of the motor is displayed through the display screen 102. The operation is simple, thereby improving the working efficiency of the motor.

[0032] Reference Figure 1-Figure 3 As shown, a connection structure 108 is provided on one side of the machine box 101, and the connection structure 108 includes a connection head 1081, a support rod 1082, a fixing plate 1083, a limiting groove 1084, a spring 1085, a clamping block 1086 and a groove 1087. The connection head 1081 is provided on one side of the machine box 101, and a support rod 1082 is fixed at the edge position of one side of the machine box 101. A fixing plate 1083 is fixed at one end of the support rod 1082. A limiting groove 1084 is provided inside the fixing plate 1083, and springs are fixed at both ends of the limiting groove 1084. Spring 1085, one end of the spring 1085 is fixed with a clamping block 1086, one side of the clamping block 1086 is provided with a groove 1087, four groups of connectors 1081 are provided, the connectors 1081 are evenly spaced on one side of the machine box 101, four groups of limiting grooves 1084 are provided, the limiting grooves 1084 are evenly spaced inside the fixed plate 1083, the connectors 1081 correspond to the limiting grooves 1084 one by one, two groups of springs 1085 are provided, the springs 1085 are symmetrically distributed inside the limiting grooves 1084, and the grooves 1087 are arranged in an arc shape.

[0033] The motor connecting wire is connected to the connector 1081, and the motor connecting wire is passed through the inside of the groove 1087, so that the clamping block 1086 is driven to clamp the motor connecting wire under the elastic force of the spring 1085, and the motor connecting wire is limited by the mutual cooperation of the two groups of grooves 1087, so as to ensure the stability of the connection between the motor connecting wire and the connector 1081, avoid loosening and falling off of the connection between the connector 1081 and the motor connecting wire, and by providing multiple groups of connectors 1081, it is convenient to effectively control multiple groups of motors.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A control system for a DC brushless motor in a gun drill, comprising a base (1) and a machine box (101); Features: The base (1) comprises a machine box (101), a display screen (102), a top cover (103), a fixing structure (104), a limit plate (105), a power module (106), a control structure (107), a connection structure (108) and a knob assembly (109); the machine box (101) is fixed to the top of the base (1); and a display screen (102) is provided on one side of the machine box (101); A top cover (103) is arranged at the top of the machine box (101), fixed structures (104) are arranged on both sides of the top cover (103), a limit plate (105) is arranged at the middle position inside the machine box (101), and power modules (106) are arranged on both sides of the limit plate (105); A control structure (107) is arranged at the top of the power module (106) inside the machine box (101), a connection structure (108) is arranged at one side of the machine box (101), and a knob assembly (109) is arranged at one side of the base (1).

2. A DC brushless motor control system for a gun drill according to claim 1, characterized in that: The fixing structure (104) comprises a card plate (1041), a rotating shaft (1042), a card block (1043) and a card slot (1044); the card plate (1041) is arranged on both sides of the top cover (103); a rotating shaft (1042) is arranged inside the card plate (1041); a card block (1043) is fixed on one side of the card plate (1041); and a card slot (1044) is arranged inside the machine box (101) outside the card block (1043).

3. A DC brushless motor control system for a gun drill according to claim 2, characterized in that: Two groups of the card plates (1041) are provided. The card plates (1041) are symmetrically distributed on both sides of the top cover (103). The card plates (1041) and the top cover (103) form a rotating structure via a rotating shaft (1042), and the card blocks (1043) and the card slots (1044) form a locking structure.

4. A DC brushless motor control system for a gun drill according to claim 1, characterized in that: The control structure (107) comprises a circuit board (1071), a single-chip computer (1072), a data processor (1073), a rectifier (1074), a speed regulator (1075) and a photoelectric encoder (1076); the circuit board (1071) is arranged inside a machine box (101); and one side of the circuit board (1071) is provided with the single-chip computer (1072), the data processor (1073), the rectifier (1074), the speed regulator (1075) and the photoelectric encoder (1076) in sequence.

5. A DC brushless motor control system for a gun drill according to claim 4, characterized in that: The output end of the single-chip microcomputer (1072) is electrically connected to the input end of the data processor (1073), the input end of the single-chip microcomputer (1072) is electrically connected to the output end of the speed regulator (1075), and the output end of the rectifier (1074) is electrically connected to the output end of the data processor (1073).

6. A DC brushless motor control system for a gun drill according to claim 1, characterized in that: The connection structure (108) comprises a connection head (1081), a support rod (1082), a fixing plate (1083), a limiting groove (1084), a spring (1085), a clamping block (1086) and a groove (1087); the connection head (1081) is arranged on one side of the machine box (101); a support rod (1082) is fixed at an edge position of one side of the machine box (101); a fixing plate (1083) is fixed at one end of the support rod (1082); a limiting groove (1084) is arranged inside the fixing plate (1083); springs (1085) are fixed at both ends of the limiting groove (1084); a clamping block (1086) is fixed at one end of the spring (1085); and a groove (1087) is arranged on one side of the clamping block (1086).

7. A DC brushless motor control system for a gun drill according to claim 6, characterized in that: The connectors (1081) are provided in four groups, and the connectors (1081) are distributed at equal intervals on one side of the machine box (101). The limiting grooves (1084) are provided in four groups, and the limiting grooves (1084) are distributed at equal intervals inside the fixing plate (1083). The connectors (1081) correspond to the limiting grooves (1084) one by one. The springs (1085) are provided in two groups, and the springs (1085) are distributed symmetrically inside the limiting grooves (1084). The grooves (1087) are provided in an arc shape.

8. A DC brushless motor control system for a gun drill according to claim 1, characterized in that: The knob assembly (109) comprises a switch button (1091), a forward rotation knob (1092), a reverse rotation knob (1093), an acceleration knob (1094), a deceleration knob (1095) and a power interface (1096); the switch button (1091), the forward rotation knob (1092), the reverse rotation knob (1093), the acceleration knob (1094) and the deceleration knob (1095) are arranged in sequence on one side of the machine box (101); and the power interface (1096) is arranged on a side of the switch button (1091) away from the forward rotation knob (1092).

9. A DC brushless motor control system for a gun drill according to claim 8, characterized in that: The output ends of the forward knob (1092), the reverse knob (1093), the acceleration knob (1094) and the deceleration knob (1095) are respectively electrically connected to the input end of the speed regulator (1075), and the output end of the power interface (1096) is electrically connected to the input end of the rectifier (1074).

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