Detection device for rotating speed of washing machine

Abstract

The utility model discloses a washing machine rotating speed detection device which comprises a first detection seat and a second detection seat, the first detection seat is clamped on the upper portion of a washing outer machine shell, the second detection seat is clamped on the upper portion of a washing rotating inner barrel, a photoelectric counting sensor is arranged on one side of the first detection seat, and a detection shielding plate is arranged on one side of the second detection seat. The first detection seat is arranged on the upper portion of the washing outer machine shell in a clamped mode, the second detection seat is arranged on the upper portion of the washing rotary inner barrel in a clamped mode, when the washing machine is used, the detection baffle plate on one side of the second detection seat synchronously rotates along with the inner barrel, and the detection baffle plate is arranged on the upper portion of the washing outer machine shell in a clamped mode. When the detection shielding plate transversely penetrates through the middle of the photoelectric counting sensor to count once, the rotation speed of the inner drum of the washing machine can be detected and used through sequential circulation, and the detection equipment is simple in structure, convenient to disassemble and assemble and capable of being used at any time and meeting the rotation speed detection and use requirements of different washing machines.

Description

Technical Field

[0001] The utility model relates to the technical field of washing machine rotation speed detection, in particular to a washing machine rotation speed detection device. Background Art

[0002] Washing machines are an indispensable part of daily household appliances. The washing machines on the market can be mainly divided into variable frequency washing machines and non-variable frequency washing machines. However, for both variable frequency washing machines and non-variable frequency washing machines, precise control of the speed is an important parameter to measure the performance of the washing machine. Therefore, in order to improve the performance of the washing machine, the speed detection of the inner drum of the washing machine is essential.

[0003] In the prior art, the application number is 202111105075.2, which is a method, device and system for detecting the rotation speed of a washing machine. The data of each primary rotation speed obtained in at least one time interval is processed to obtain the inner barrel rotation speed of the washing machine. This scheme can detect the rotation speed of the washing machine. However, the detection equipment has a complex structure, is inconvenient to disassemble and use, cannot be installed and used at any time, and is difficult to meet the detection and use of the rotation speed of washing machines of different models. Utility Model Content

[0004] The utility model aims to provide a detection device for the rotation speed of a washing machine, so as to solve the problems in the prior art that the detection equipment has a complex structure, is inconvenient to disassemble and use, cannot be used immediately after installation, and is difficult to meet the detection and use requirements of the rotation speed of washing machines of different models.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for detecting the rotation speed of a washing machine, comprising a first detection seat and a second detection seat, wherein the first detection seat is clamped on the upper part of the outer shell of the washing machine, and the second detection seat is clamped on the upper part of the rotating inner drum of the washing machine, a lifting seat is provided on one side of the first detection seat through a screw thread, a photoelectric counting sensor is provided on one side of the lifting seat through a support seat, a detection baffle is provided on one side of the second detection seat, and the detection baffle horizontally penetrates the middle part of the photoelectric counting sensor when the detection baffle rotates synchronously with the rotating inner drum of the washing machine, a controller is provided on the upper end of the first detection seat, and the photoelectric counting sensor is electrically connected to the controller.

[0006] Furthermore, a first positioning groove is provided on the inner side of the first detection seat, and a first locking bolt is threadedly provided on the detection seat outside the first positioning groove.

[0007] Furthermore, a second positioning groove is formed inside the second detection seat, and a second locking bolt is threadedly formed on the second detection seat on one side of the second positioning groove.

[0008] Furthermore, the screw rod is rotatably arranged in a groove on one side of the first detection seat, the middle part of the lifting seat is threadedly connected to the screw rod through a threaded hole, and a guide rod is also slidably arranged between the groove and the lifting seat.

[0009] Furthermore, the photoelectric counting sensor includes a photoelectric transmitter and a photoelectric receiver, and the photoelectric transmitter and the photoelectric receiver are arranged correspondingly up and down.

[0010] Furthermore, the detection shielding plate includes a first supporting plate, a second supporting plate is inserted into one end of the first supporting plate, and a third locking bolt is provided on the upper side of one end of the first supporting plate.

[0011] Furthermore, a display screen and control buttons are provided on the upper side of the controller, and a battery is electrically connected to the side of the controller.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model arranges the first detection seat on the upper part of the outer shell of the washing machine, and the second detection seat on the upper part of the rotating inner drum of the washing machine. When in use, the detection shielding plate on one side of the second detection seat rotates synchronously with the inner drum. When the detection shielding plate horizontally penetrates the middle part of the photoelectric counting sensor, it counts once, and the detection and use processing of the rotation speed of the inner drum of the washing machine can be realized in sequence. In addition, the detection device has a simple structure, is easy to disassemble and assemble, and can be used at any time, which can meet the detection and use processing of the rotation speed of washing machines of different models.

[0014] 2. The utility model has a first positioning groove on the inner side of the first detection seat, a first locking bolt is threadedly provided on the detection seat outside the first positioning groove, a second positioning groove is provided on the inner side of the second detection seat, and a second locking bolt is threadedly provided on the second detection seat on one side of the second positioning groove, so that the detection seat can be easily positioned through the positioning groove, and the first detection seat and the second detection seat can be locked by the provided locking bolt, thereby improving the stability of the installation and fixation of the detection seat.

[0015] 3. The utility model also provides a lifting seat on one side of the first detection seat through a screw thread, the screw is rotatably set in a groove on one side of the first detection seat, the middle part of the lifting seat is threadedly connected to the screw through a threaded hole, and a guide rod is also slidably set between the groove and the lifting seat, so that the lifting seat and the photoelectric counting sensor can be raised and lowered by rotating the screw to meet the detection and use of different fixed heights of the detection baffle plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is the overall structural front view of the utility model;

[0018] Figure 2 It is an enlarged schematic diagram of the structure at A of the utility model;

[0019] Figure 3 It is a schematic diagram of the lifting seat structure of the utility model.

[0020] In the figure: 1. Washing machine outer casing; 2. Washing machine rotating inner drum; 3. First detection seat; 4. Screw rod; 5. Lifting seat; 6. Photoelectric receiver; 7. Groove; 8. Second detection seat; 9. Photoelectric transmitter; 10. Second locking bolt; 11. First support plate; 12. Second support plate; 13. Third locking bolt; 14. Second positioning groove; 15. First locking bolt; 16. Battery; 17. Controller; 18. Adjustment knob. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1 , Figure 2 , Figure 3 In an embodiment of the utility model, a detection device for a rotation speed of a washing machine comprises a first detection seat 3 and a second detection seat 8. The first detection seat 3 is clamped on the upper part of the washing machine outer shell 1, and the second detection seat 8 is clamped on the upper part of the washing machine rotary inner drum 2. A lifting seat 5 is threadedly provided on one side of the first detection seat 3 through a screw rod 4, and a photoelectric counting sensor is provided on one side of the lifting seat 5 through a supporting seat. A detection shielding plate is provided on one side of the second detection seat 8, and the detection shielding plate horizontally penetrates the middle part of the photoelectric counting sensor when it rotates synchronously with the washing machine rotary inner drum 2. A controller 17 is provided on the upper end of the first detection seat 3, and the photoelectric counting sensor is electrically connected to the controller 17.

[0023] A first positioning groove is provided on the inner side of the first detection seat 3, a first locking bolt 15 is threadedly provided on the detection seat outside the first positioning groove, a second positioning groove 14 is provided on the inner side of the second detection seat 8, and a second locking bolt 10 is threadedly provided on the second detection seat 8 on the side of the second positioning groove 14, so that the detection seat can be easily positioned through the positioning groove, and the first detection seat 3 and the second detection seat 8 can be locked by the provided locking bolt, thereby improving the stability of the installation and fixation of the detection seat.

[0024] The screw rod 4 is rotatably set in the groove 7 on one side of the first detection seat 3. The middle part of the lifting seat 5 is threadedly connected to the screw rod 4 through a threaded hole, and a guide rod is also slidably set between the groove 7 and the lifting seat 5. An adjustment knob 18 is provided at one end of the screw rod 4, so that the lifting seat 5 and the photoelectric counting sensor can be raised and lowered by rotating the screw rod 4, thereby meeting the detection and use of different fixed heights of the detection baffle plates.

[0025] The photoelectric counting sensor includes a photoelectric transmitter 9 and a photoelectric receiver 6, and the photoelectric transmitter 9 and the photoelectric receiver 6 are arranged correspondingly up and down. The photoelectric transmitter 9 is used to emit light, and the photoelectric receiver 6 is used to receive light. When the detection baffle passes through the middle of the photoelectric counting sensor, it will block the light, thereby changing the intensity of light received by the photoelectric receiver 6, so that the counting of objects can be realized with high detection accuracy.

[0026] The detection baffle plate includes a first support plate 11, a second support plate 12 is inserted into one end of the first support plate 11, and a third locking bolt 13 is provided on the upper side of one end of the first support plate 11, so that the width of the lateral obstruction detection of the detection baffle plate can be adjusted by adjusting the depth of the second support plate 12 inserted into the first support plate 11, thereby improving the flexibility of detection use.

[0027] A display screen and control buttons are provided on the upper side of the controller 17 to facilitate overall control, and a battery 16 is electrically connected to the side of the controller 17, and a charging jack is provided on one side of the battery 16 to facilitate continuous detection and use processing of the battery 16 for replenishing the power; the controller 17 can be implemented by hardware such as a single-chip microcomputer, a general-purpose processor, or other programmable logic devices.

[0028] The working principle and use process of the utility model are as follows: the first detection seat 3 is clamped on the upper part of the washing machine outer shell 1, and the second detection seat 8 is clamped on the upper part of the washing machine rotary inner drum 2. During detection, the detection shielding plate on one side of the second detection seat 8 rotates synchronously with the washing machine rotary inner drum 2. When the detection shielding plate horizontally penetrates the middle part of the photoelectric counting sensor, it counts once, and the detection and use processing of the rotation speed of the washing machine inner drum can be realized in sequence. In addition, the detection equipment has a simple structure, is easy to disassemble and assemble, and can be used whenever it is installed, which can meet the detection and use processing of different washing machine rotation speeds.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for detecting the rotation speed of a washing machine, comprising a first detection seat (3) and a second detection seat (8), characterized in that: The first detection seat (3) is clamped on the upper part of the washing machine outer shell (1), and the second detection seat (8) is clamped on the upper part of the washing machine rotary inner drum (2). A lifting seat (5) is threadedly provided on one side of the first detection seat (3) through a screw rod (4), and a photoelectric counting sensor is provided on one side of the lifting seat (5) through a support seat. A detection shielding plate is provided on one side of the second detection seat (8), and when the detection shielding plate rotates synchronously with the washing machine rotary inner drum (2), it horizontally penetrates the middle part of the photoelectric counting sensor. A controller (17) is provided on the upper end of the first detection seat (3), and the photoelectric counting sensor is electrically connected to the controller (17).

2. A washing machine speed detection device according to claim 1, characterized in that: A first positioning groove is provided on the inner side of the first detection seat (3), and a first locking bolt (15) is threadedly provided on the detection seat outside the first positioning groove.

3. A washing machine speed detection device according to claim 2, characterized in that: A second positioning groove (14) is provided inside the second detection seat (8), and a second locking bolt (10) is threadedly provided on the second detection seat (8) on one side of the second positioning groove (14).

4. A washing machine speed detection device according to claim 1, characterized in that: The screw rod (4) is rotatably arranged in a groove (7) on one side of the first detection seat (3); the middle part of the lifting seat (5) is threadedly connected to the screw rod (4) through a threaded hole; and a guide rod is also slidably arranged between the groove (7) and the lifting seat (5).

5. A washing machine speed detection device according to claim 1, characterized in that: The photoelectric counting sensor comprises a photoelectric transmitter (9) and a photoelectric receiver (6), and the photoelectric transmitter (9) and the photoelectric receiver (6) are arranged correspondingly up and down.

6. A device for detecting the rotation speed of a washing machine according to claim 1, characterized in that: The detection shielding plate comprises a first support plate (11), a second support plate (12) is inserted into one end of the first support plate (11), and a third locking bolt (13) is provided on the upper side of one end of the first support plate (11).

7. A washing machine speed detection device according to claim 1, characterized in that: The controller (17) is provided with a display screen and control buttons on its upper side, and a storage battery (16) is electrically connected to the side of the controller (17).

Images