Control structure for rotation angle of sprayer of sterilizer

Abstract

The utility model relates to the technical field of disinfectors, and discloses a disinfector nozzle rotation angle control structure which comprises a hollow rotating platform, a nozzle assembly, a code disc, a photoelectric sensor and a control unit, the hollow rotating platform is used for driving the nozzle assembly and the code disc to rotate back and forth, and the photoelectric sensor is used for detecting the rotation angle of the code disc. The control unit controls the working state of the hollow rotating platform according to the detection result of the photoelectric sensor. According to the control structure for the rotation angle of the sprayer of the sterilizer, the coded disc is arranged, when the coded disc rotates, light can penetrate through a position with tooth seams, the photoelectric element can instantly receive light pulses, the light pulses are processed by the shaping circuit and then an electric pulse signal is output, and therefore the position to which the coded disc rotates can be known only by reading the number of the pulses; therefore, the angle of the nozzle can be conveniently controlled by a control system of the sterilizer.

Description

Technical Field

[0001] The utility model relates to the technical field of disinfection machines, in particular to a control structure for the rotation angle of a disinfection machine nozzle. Background Art

[0002] A disinfection machine is a machine that operates through mechanical principles to produce physical or chemical disinfection elements that act on toxic substances to achieve the purpose of disinfection. It is widely used in medical and daily life fields.

[0003] Since the existing disinfection machines have relatively simple structures and functions, in order to increase the disinfection range of the disinfection machines, the nozzles of some disinfection machines are set to be rotatable. However, the existing disinfection machines cannot accurately control the rotation angle of the disinfection machine nozzles, and thus cannot achieve precise and uniform disinfection, which easily causes waste of disinfectant. Therefore, it is necessary to provide a control structure for the rotation angle of the disinfection machine nozzle to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a control structure for the rotation angle of a spray head of a disinfection machine, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: a control structure for the rotation angle of a spray head of a disinfection machine, comprising:

[0006] The hollow rotating platform comprises a motor and a reducer, wherein the input end of the reducer is drivingly connected to the output shaft of the motor, and the motor is used to drive the reducer to rotate back and forth;

[0007] A nozzle assembly, comprising a nozzle and a mounting plate, wherein the nozzle is connected to a liquid supply device inside the sterilizer through a hose, the upper end surface of the mounting plate is fixedly connected to the nozzle, and the lower end surface of the mounting plate is fixedly connected to an output end of the reducer through a plurality of connecting rods, and the nozzle assembly can rotate synchronously with the reducer;

[0008] A code disc, fixed on the reducer, and capable of rotating synchronously with the reducer;

[0009] A photoelectric sensor, corresponding to the edge position of the code disk, for detecting the rotation angle of the code disk;

[0010] A control unit is electrically connected to the motor and the photoelectric sensor, and is used to receive the detection result of the photoelectric sensor and control the working state of the motor according to the detection result.

[0011] Preferably, the rotation centers of the reducer, the code disc and the mounting plate are on the same axis, and the reducer, the code disc and the mounting plate are provided with through holes along the axis;

[0012] The upper end of the hose is connected to the liquid inlet of the nozzle, and the lower end of the hose passes through the through holes of the mounting plate, the code disc and the reducer in sequence along the axis and is connected to the liquid supply device inside the sterilizer.

[0013] Preferably, the code disc is provided with a central through hole and a plurality of avoidance holes, the avoidance holes are located at the edge of the central through hole and are connected to the central through hole, the hose passes through the central through hole, one end of the connecting rod is fixedly connected to the reducer, and the other end of the connecting rod passes through the avoidance hole on the code disc and is fixedly connected to the mounting plate.

[0014] Preferably, a plurality of slits are evenly formed on the edge of the code disk, and the photoelectric sensor includes a light source, a photoelectric element and a shaping circuit. The light source and the photoelectric element are arranged opposite to each other, and the edge of the code disk is arranged between the light source and the photoelectric element. The light emitted by the light source is incident on the photoelectric element through the slits of the code disk, and the photoelectric element is electrically connected to the control unit through the shaping circuit.

[0015] Preferably, it also includes: an annular groove and a limiting column;

[0016] The annular groove is opened on the lower end surface of the mounting plate, and the annular groove is not connected from end to end. One end of the limiting column is fixedly connected to the top cover of the disinfection machine, and the other end of the limiting column is arranged in the annular groove opened on the mounting plate. The annular groove cooperates with the limiting column to limit the rotational stroke of the nozzle assembly.

[0017] Preferably, it also includes: a fixing plate and an L-shaped mounting plate;

[0018] A slot is provided on one side of the fixing plate, the reducer is inserted into the slot, and the lower end of the L-shaped mounting plate is fixedly connected to the fixing plate.

[0019] Preferably, two photoelectric sensors are provided, one of which is fixed to the upper end of the L-shaped mounting plate for detecting the rotation angle of the code disc, and the other photoelectric sensor is fixed to the outer wall of the reducer for detecting the initial position of the code disc.

[0020] Preferably, it also includes a dust removal and cooling component, which includes an air inlet duct, a mounting frame, a fan and a filter cover. The air inlet duct is arranged on one side of the mounting plate and the upper end passes through the mounting plate and extends to the outside. The mounting frame is fixedly arranged at the lower end of the air inlet duct, and the fan is arranged inside the mounting frame.

[0021] Preferably, the filter cover is threadedly connected to the upper end of the air inlet pipe, a filter is provided on the inner side of the filter cover via a connecting rod, and the filter cover and the filter are detachable.

[0022] Compared with the prior art, the utility model has the following beneficial effects:

[0023] 1. The control structure of the rotation angle of the nozzle of the disinfection machine. When the code disk rotates, light will pass through the places with teeth gaps, and the photoelectric element will instantly receive the light pulse. After being processed by the shaping circuit, an electric pulse signal will be output. In this way, as long as the number of pulses is read, the corresponding position of the code disk can be known, and then the rotation angle of the nozzle can be known, which is convenient for the drive control system of the disinfection machine to control the angle of the nozzle.

[0024] 2. The control structure of the rotation angle of the nozzle of the disinfection machine can effectively cool down the electrical components inside the disinfection machine when the fan is working. At the same time, the wind blown by the fan can effectively blow away the dust and garbage on the upper surface of the code disk, ensuring the normal operation of each structure and extending the service life of the code disk structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of the control structure of the rotation angle of the nozzle of the disinfection machine of the utility model;

[0026] Figure 2 This is a front view of the overall structure of the control structure of the rotation angle of the nozzle of the disinfection machine of the utility model;

[0027] Figure 3 It is a side view of the overall structure of the control structure of the rotation angle of the nozzle of the disinfection machine of the utility model;

[0028] Figure 4 This is a top view of the utility model when the nozzle assembly is not installed;

[0029] Figure 5 This is a bottom view of the nozzle assembly of the utility model after being fixed to the connecting rod;

[0030] Figure 6 It is a front view of the overall structure of the control structure of the rotation angle of the spray head of the disinfection machine according to another embodiment of the utility model;

[0031] Figure 7 For this utility model Figure 6 A magnified schematic diagram of the structure in the middle.

[0032] In the figure: 1. Motor; 2. Reducer; 201. Connecting rod; 3. Fixing plate; 4. Code disk; 401. Tooth gap; 5. Nozzle; 501. Mounting plate; 502. Hose; 51. Annular groove; 52. Limiting column; 6. Photoelectric sensor; 601. L-shaped mounting plate; 7. Dust removal and cooling assembly; 701. Air inlet duct; 702. Mounting frame; 703. Fan; 704. Filter cover. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1-5 The control structure of the rotation angle of the nozzle of the disinfection machine provided in this embodiment includes:

[0035] The hollow rotating platform includes a motor 1 and a reducer 2, wherein the input end of the reducer 2 is drivingly connected to the output shaft of the motor 1, and the motor 1 is used to drive the reducer 2 to rotate back and forth;

[0036] The nozzle assembly includes a nozzle 5 and a mounting plate 501. The nozzle 5 is connected to the liquid supply device inside the sterilizer through a hose 502. The upper end surface of the mounting plate 501 is fixedly connected to the nozzle 5. The lower end surface of the mounting plate 501 is fixedly connected to the output end of the reducer 2 through a plurality of connecting rods 201. The nozzle assembly can rotate synchronously with the reducer 2.

[0037] The code disc 4 is fixed on the reducer 2 and can rotate synchronously with the reducer 2;

[0038] The photoelectric sensor 6 corresponds to the edge position of the code disk 4 and is used to detect the rotation angle of the code disk 4;

[0039] The control unit is electrically connected to the motor 1 and the photoelectric sensor 6 and is used to receive the detection result of the photoelectric sensor 6 and control the working state of the motor 1 according to the detection result.

[0040] The rotation centers of the reducer 2, the code disc 4 and the mounting plate 501 are on the same axis, and the reducer 2, the code disc 4 and the mounting plate 501 are provided with through holes along the axis;

[0041] The upper end of the hose 502 is connected to the liquid inlet of the nozzle 5, and the lower end of the hose 502 passes through the through holes of the mounting plate 501, the code disc 4 and the reducer 2 in sequence along the axis and is connected to the liquid supply device inside the disinfector. The hose 502 is provided to transport disinfectant to the nozzle 5.

[0042] Among them; a central through hole and a plurality of avoidance holes are provided on the code disk 4, the avoidance holes are located at the edge of the central through hole and are connected to the central through hole, the hose 502 passes through the central through hole, one end of the connecting rod 201 is fixedly connected to the reducer 2, and the other end of the connecting rod 201 passes through the avoidance hole on the code disk 4 and is fixedly connected to the mounting plate 501. By providing the central through hole, the installation of the hose 502 is facilitated, and by providing the avoidance holes, the installation of the connecting rod 201 is facilitated.

[0043] Among them; a number of slits 401 are evenly opened on the edge of the code disk 4, the photoelectric sensor 6 includes a light source, a photoelectric element and a shaping circuit, the light source and the photoelectric element are arranged opposite to each other, the edge of the code disk 4 is arranged between the light source and the photoelectric element, the light emitted by the light source is incident on the photoelectric element through the slits 401 of the code disk 4, the photoelectric element is electrically connected to the control unit through the shaping circuit, when the code disk 4 rotates, the place with the slits 401 will transmit light, the photoelectric element will instantly receive the light pulse, after being processed by the shaping circuit, an electric pulse signal is output, in this way, as long as the number of pulses is read, the corresponding position of the code disk 4 can be known, and then the rotation angle of the nozzle 5 can be known, which is convenient for the driving control system of the disinfection machine to control the angle of the nozzle 5.

[0044] Among them, it also includes an annular groove 51 and a limiting column 52. The annular groove 51 is provided on the lower surface of the mounting plate 501. The annular groove 51 is not connected end to end to form a closed loop. One end of the limiting column 52 is fixedly connected to the top cover of the disinfection machine, and the other end of the limiting column 52 is provided in the annular groove 51 provided on the mounting plate 501. The annular groove 51 cooperates with the limiting column 52 to limit the rotation stroke of the spray head assembly. When the mounting plate 501 rotates to a certain angle, it will be blocked by the limiting column 52. The spray head assembly can only rotate back and forth. Whether the spray head assembly rotates forward or reverse, the rotation angle will not exceed 180°. Therefore, the hose 502 at the lower end of the spray head assembly and other lines will not have winding problems.

[0045] Among them, it also includes a fixing plate 3 and an L-shaped mounting plate 601; a slot is opened on one side of the fixing plate 3, and the reducer 2 is inserted into the slot. The fixing plate 3 can be fixedly connected to the shell of the disinfection machine through a connecting column (not shown in the figure), and the lower end of the L-shaped mounting plate 601 is fixedly connected to the fixing plate 3. By providing the L-shaped mounting plate 601, the photoelectric sensor 6 is easily installed and the stability of its structure is guaranteed.

[0046] Among them, two photoelectric sensors 6 are provided, one of which is fixed on the upper end of the L-shaped mounting plate 601 for detecting the rotation angle of the code disk 4, and the other is fixed on the outer wall of the reducer 2 for detecting the initial position of the code disk 4. The two photoelectric sensors 6 are used for detection respectively, which is convenient for the control unit of the disinfection machine to judge the starting position and the current position of the nozzle 5, thereby improving the reliability of the detection.

[0047] See also Figure 6-7In the control structure of the rotation angle of the disinfection machine nozzle provided in another embodiment, a dust removal and cooling component 7 is also included. The dust removal and cooling component 7 includes an air inlet pipe 701, a mounting frame 702, a fan 703 and a filter cover 704. The air inlet pipe 701 is arranged on one side of the mounting plate 501 and the upper end passes through the mounting plate 501 and extends to the outside. The mounting frame 702 is fixedly arranged at the lower end of the air inlet pipe 701, and the fan 703 is arranged inside the mounting frame 702. The mounting frame 702 is provided to facilitate the installation of the fan 703. When the fan 703 is working, the internal components of the photoelectric sensor 6 can be effectively cooled. At the same time, the wind blown out by the fan 703 can effectively blow away the dust and garbage on the upper surface of the code disk 4, avoid garbage blocking the tooth gap 401, ensure the normal operation of each structure, and extend the service life.

[0048] Among them; the filter cover 704 is threadedly connected to the upper end of the air inlet pipe 701, and a filter is arranged on the inner side of the filter cover 704 through a connecting rod. The filter cover 704 and the filter are detachable, and the filter can effectively filter external dust and garbage. When a large amount of dust is attached to the filter after long-term use, the filter cover 704 and the filter can be removed by rotating the filter cover 704, so as to facilitate timely cleaning or replacement of the filter.

[0049] Working principle: the motor 1 drives the connecting rod 201 of the reducer 2 to rotate, and then the connecting rod 201 drives the code disk 4 to rotate synchronously. When the code disk 4 rotates, light will pass through the tooth gap 401, and the photoelectric element will instantly receive the light pulse. After being processed by the shaping circuit, an electric pulse signal is output. In this way, as long as the number of pulses is read, the corresponding position of the code disk 4 can be known, and then the rotation angle of the nozzle 5 can be known, which is convenient for the drive control system of the disinfection machine to control the angle of the nozzle 5.

[0050] Furthermore, through the operation of the fan 703, the internal components of the photoelectric sensor 6 can be effectively cooled. At the same time, the wind blown by the fan 703 can effectively blow away the dust and garbage on the upper surface of the code disk 4, thereby ensuring the normal operation of each structure and extending the service life. The filter can effectively filter out external dust and garbage. When the filter is used for a long time and a large amount of dust is attached to it, the filter cover 704 can be rotated to remove the filter cover 704 and the filter, so that the filter can be cleaned or replaced in time.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A control structure for the rotation angle of a spray nozzle of a disinfection machine, characterized in that: include: A hollow rotating platform comprises a motor (1) and a reducer (2), wherein the input end of the reducer (2) is drivingly connected to the output shaft of the motor (1), and the motor (1) is used to drive the reducer (2) to rotate back and forth; A nozzle assembly comprises a nozzle (5) and a mounting plate (501), wherein the nozzle (5) is connected to a liquid supply device inside a sterilizer via a hose (502), the upper end surface of the mounting plate (501) is fixedly connected to the nozzle (5), and the lower end surface of the mounting plate (501) is fixedly connected to an output end of the reducer (2) via a plurality of connecting rods (201), and the nozzle assembly can rotate synchronously with the reducer (2); A code disc (4) is fixed on the reducer (2) and can rotate synchronously with the reducer (2); A photoelectric sensor (6), corresponding to the edge position of the code disk (4), for detecting the rotation angle of the code disk (4); A control unit is electrically connected to the motor (1) and the photoelectric sensor (6), and is used to receive a detection result of the photoelectric sensor (6) and control the working state of the motor (1) according to the detection result.

2. The control structure for the rotation angle of the spray head of the sterilizer according to claim 1, characterized in that: The rotation centers of the reducer (2), the code disc (4) and the mounting plate (501) are on the same axis, and the reducer (2), the code disc (4) and the mounting plate (501) are provided with through holes along the axis; The upper end of the hose (502) is connected to the liquid inlet of the nozzle (5), and the lower end of the hose (502) passes through the through holes of the mounting plate (501), the code disc (4) and the reducer (2) in sequence along the axis and is connected to the liquid supply device inside the sterilizer.

3. The control structure for the rotation angle of the spray head of the sterilizer according to claim 1, characterized in that: The code disc (4) is provided with a central through hole and a plurality of avoidance holes, wherein the avoidance holes are located at the edge of the central through hole and are connected to the central through hole, the hose (502) passes through the central through hole, one end of the connecting rod (201) is fixedly connected to the reducer (2), and the other end of the connecting rod (201) passes through the avoidance holes on the code disc (4) and is fixedly connected to the mounting plate (501).

4. The control structure for the rotation angle of the spray head of the sterilizer according to claim 1, characterized in that: The edge of the code disk (4) is evenly provided with a plurality of tooth gaps (401); the photoelectric sensor (6) comprises a light source, a photoelectric element and a shaping circuit; the light source and the photoelectric element are arranged opposite to each other; the edge of the code disk (4) is arranged between the light source and the photoelectric element; the light emitted by the light source is incident on the photoelectric element via the tooth gaps (401) of the code disk (4); and the photoelectric element is electrically connected to the control unit via the shaping circuit.

5. The control structure for the rotation angle of the spray head of the sterilizer according to claim 1, characterized in that: Also includes: An annular groove (51) and a limiting column (52); The annular groove (51) is provided on the lower end surface of the mounting plate (501), and the annular groove (51) is not connected end to end. One end of the limiting column (52) is fixedly connected to the top cover of the sterilizer, and the other end of the limiting column (52) is arranged in the annular groove (51) provided on the mounting plate (501). The annular groove (51) cooperates with the limiting column (52) to limit the rotational travel of the spray head assembly.

6. The control structure for the rotation angle of the spray head of the sterilizer according to claim 1, characterized in that: Also includes: A fixing plate (3) and an L-shaped mounting plate (601); A slot is provided on one side of the fixing plate (3), the reducer (2) is inserted into the slot, and the lower end of the L-shaped mounting plate (601) is fixedly connected to the fixing plate (3).

7. The control structure for the rotation angle of the spray head of the sterilizer according to claim 6, characterized in that: Two photoelectric sensors (6) are provided, one of which is fixed to the upper end of the L-shaped mounting plate (601) and is used to detect the rotation angle of the code disk (4), and the other photoelectric sensor (6) is fixed to the outer side wall of the reducer (2) and is used to detect the initial position of the code disk (4).

8. The control structure for the rotation angle of the spray head of the sterilizer according to claim 1, characterized in that: The invention also comprises a dust removal and cooling component (7), wherein the dust removal and cooling component (7) comprises an air inlet pipe (701), a mounting frame (702), a fan (703) and a filter cover (704), wherein the air inlet pipe (701) is arranged on one side of the mounting plate (501) and the upper end thereof passes through the mounting plate (501) and extends to the outside, the mounting frame (702) is fixedly arranged at the lower end of the air inlet pipe (701), and the fan (703) is arranged inside the mounting frame (702).

9. The control structure for the rotation angle of the spray head of the sterilizer according to claim 8, characterized in that: The filter cover (704) is threadedly connected to the upper end of the air inlet pipe (701), and a filter is arranged on the inner side of the filter cover (704) via a connecting rod. The filter cover (704) and the filter are detachable.

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