Vibration force measuring device for vibration motor

Abstract

The embodiment of the utility model discloses a vibration intensity measuring device used for a vibration motor, the vibration intensity measuring device comprises a fixing frame, a vibration motor, a driving plate, a trigger plate and a plurality of weights, the vibration motor comprises a stator main body and a rotor core body arranged in the stator main body, the driving motor and the driving plate are both installed on the fixing frame, and the trigger plate is installed on the stator main body. The trigger plate is installed on the fixing frame and located above the rotor core body, the driving plate is electrically connected with the driving motor and used for driving the rotor core body to do reciprocating motion along a straight line where the gravity direction is located, one or more weights are hung below the rotor core body, and the driving plate is further electrically connected with the trigger plate and used for sensing the level change of the trigger plate. The weights are added below the rotor core body until the driving plate judges that the rotor core body is not in contact with the trigger plate according to the sensed level change, and at the moment, the vibration force of the vibration motor can be quantitatively judged according to the weights of the weights hung below the rotor core body.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a vibration intensity measuring device for a vibration motor. Background Art

[0002] The Z-axis motor is a motor whose mover reciprocates along the Z-axis inside the motor body during operation. At present, the intensity of the vibration of the Z-axis motor is generally felt through the fingers or other parts of the body, and different people will have different feelings for the same intensity of the motor vibration. Some people will feel it is too strong, while others will feel it is too weak. This makes it impossible to quantify the vibration intensity of the Z-axis motor, and the definition of "strong" or "weak" is based solely on personal subjective feelings, making the specification of the intensity of the Z-axis motor vibration unclear. When the Z-axis motor is applied to a massager, the Z-axis motor can drive the massage part to vibrate to massage the user, but because the vibration intensity of the Z-axis motor cannot be quantified, the massage intensity of the massager cannot be quantified. Utility Model Content

[0003] The utility model aims to provide a vibration intensity measuring device for a vibration motor, aiming to solve the problem that the vibration intensity of the existing Z-axis motor cannot be quantified, resulting in the massage intensity of the massager cannot be quantified.

[0004] The utility model provides a vibration intensity measuring device for a vibration motor, the vibration intensity measuring device comprises a fixed frame, a vibration motor, a driving plate, a trigger plate and a plurality of weights, the vibration motor comprises a stator body and a mover core arranged in the stator body, the driving motor and the driving plate are both mounted on the fixed frame, the trigger plate is mounted on the fixed frame and is located above the mover core, the driving plate is electrically connected to the driving motor and is used to drive the mover core to reciprocate along a straight line in the direction of gravity, one or more of the weights are hung below the mover core, the driving plate is also electrically connected to the trigger plate and is used to sense the level change of the trigger plate.

[0005] In one embodiment, the stator body is mounted on the driving plate, the fixing frame is provided with a mounting groove, and the driving plate is inserted into the mounting groove to support the vibration motor on the fixing frame.

[0006] In one embodiment, the vibration intensity measuring device further includes a buffer layer, a mounting surface is provided on the top of the fixing frame, the buffer layer is stacked on the mounting surface, and the trigger plate is stacked on the buffer layer;

[0007] The fixing frame is also provided with an avoidance groove, and the mover core can pass through the avoidance groove and contact the trigger plate.

[0008] In one embodiment, the vibration intensity measuring device further includes a connecting wire, one end of which is connected to the trigger board, and the other end of which is electrically connected to the driving board.

[0009] In one embodiment, the trigger plate is copper foil; and / or,

[0010] The buffer layer is an elastic plate made of sponge.

[0011] In one embodiment, the vibration intensity measuring device further includes a pulse generator, which is electrically connected to the driving board and is used to input a pulse control signal.

[0012] In one embodiment, the driving board is provided with a power line, a ground line and a signal line, and the pulse generator is electrically connected to the driving board through the signal line.

[0013] In one embodiment, the vibration intensity measuring device further includes a connecting member, a connecting hole is provided at the lower end of the mover core, one end of the connecting member is hung in the connecting hole, and the other end is used for hanging the weight.

[0014] In one embodiment, each weight is provided with a hook at the upper end and the lower end; and / or,

[0015] The weights of the weights may be the same or different.

[0016] In one embodiment, the vibration motor is electrically connected to the driving board via a wire; and / or,

[0017] The stator body is bonded to the driving plate.

[0018] The following beneficial effects are achieved by using the embodiments of the present invention:

[0019] The vibration intensity measuring device for a vibration motor of the utility model is adopted, the trigger plate is located above the movable core body, the driving plate is used to drive the movable core body to reciprocate along the straight line where the gravity direction is located, so that the movable core body can contact the trigger plate, when the movable core body contacts the trigger plate, the driving plate can sense the level change of the trigger plate, thereby judging whether the movable core body contacts the trigger plate during the reciprocating motion of the movable core body, one or more of the weights are hung below the movable core body, when the movable core body has one weight hung thereon, the movable core body can contact the trigger plate, and the weights are added below the movable core body until the driving plate judges that the movable core body does not contact the trigger plate according to the sensed level change, at this time, the vibration intensity of the vibration motor can be quantitatively judged by the weight of the weights hung under the movable core body, when the vibration motor is applied to a massager, it is convenient to quantitatively judge the massage intensity of the massager. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] in:

[0022] Figure 1 FIG. 1 is a schematic diagram of a vibration intensity measuring device for a vibration motor in one embodiment.

[0023] Figure 2 for Figure 1 A schematic diagram of a fixing frame and a buffer layer in a vibration force measuring device for a vibration motor is shown.

[0024] Figure 3 for Figure 1 A partial schematic diagram of a vibration intensity measuring device for a vibration motor is shown.

[0025] Figure 4 The present invention is a control principle diagram of a touch chip in a vibration intensity measuring device for a vibration motor according to an embodiment.

[0026] Figure numbers: 100, fixing frame; 110, mounting slot; 111, first plug-in slot; 112, second plug-in slot; 120, first side frame; 121, first base; 130, second side frame; 131, second base; 140, connecting frame; 141, mounting surface; 142, avoidance slot; 143, limiting slot; 200, vibration motor; 210, stator body; 220, mover core; 221, connecting hole; 230, wire; 300, drive board; 310, power line; 320, ground line; 330, signal line; 400, trigger board; 500, weight; 510, hook; 600, buffer layer; 610, opening; 710, connector; 720, connecting line. DETAILED DESCRIPTION

[0027] 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 of 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.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention 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.

[0029] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the said features. In addition, 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 this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0030] See also Figures 1 to 3 The embodiment of the utility model provides a vibration intensity measuring device for a vibration motor, which includes a fixed frame 100, a vibration motor 200, a driving plate 300, a trigger plate 400 and a plurality of weights 500. The fixed frame 100 is placed on a working surface. The vibration motor 200 includes a stator body 210 and a mover core 220 arranged in the stator body 210. The driving motor and the driving plate 300 are both installed on the fixed frame 100. The trigger plate 400 is installed on the fixed frame 100 and is located above the mover core 220. The driving plate 300 is electrically connected to the driving motor and is used to drive the mover core 220 to reciprocate along a straight line in the direction of gravity. One or more of the weights 500 are hung below the mover core 220. The driving plate 300 is also electrically connected to the trigger plate 400 and is used to sense the level change of the trigger plate 400.

[0031] It can be understood that the trigger plate 400 is located above the movable core 220, and the driving plate 300 is used to drive the movable core 220 to reciprocate along the straight line in the direction of gravity, so that the movable core 220 can contact the trigger plate 400. When the movable core 220 contacts the trigger plate 400, the driving plate 300 can sense the level change of the trigger plate 400, thereby determining whether the movable core 220 contacts the trigger plate 400 during the reciprocating motion of the movable core 220. One or more of the weights 500 are hung below the movable core 220. When the movable core 220 is hung with one weight 500, the movable core 220 can contact the trigger plate 400. The sub-core 220 can contact the trigger plate 400, and weights 500 are added to the bottom of the movable core 220 until the driving plate 300 determines that the movable core 220 is not in contact with the trigger plate 400 according to the sensed level change. At this time, the vibration intensity of the vibration motor 200 can be quantified by the weight of each weight 500 hung under the movable core 220. By using the weights 500, a mechanical method is used to quantify the vibration intensity of the vibration motor 200 during vibration, so that the intensity of the vibration motor 200 is more clearly defined. When the vibration motor 200 is applied to a massager, it is convenient to quantify the massage intensity of the massager.

[0032] In one embodiment, the stator body 210 is installed on the driving plate 300, and the fixing frame 100 is provided with a mounting groove 110, and the driving plate 300 is inserted into the mounting groove 110 to support the vibration motor 200 on the fixing frame 100. Through such an arrangement, the vibration motor 200 and the driving plate 300 are easily installed on the fixing frame 100.

[0033] In one embodiment, the vibration intensity measuring device further includes a buffer layer 600. The top of the fixing frame 100 is provided with a mounting surface 141. The buffer layer 600 is stacked on the mounting surface 141. The trigger plate 400 is stacked on the buffer layer 600. By setting the buffer layer 600, the influence of the vibration of the vibration motor 200 on the trigger plate 400 can be reduced. Further, the buffer layer 600 is an elastic plate made of sponge. Of course, the buffer layer 600 can also be an elastic plate made of silicone. Further, the trigger plate 400 is copper foil or gold foil.

[0034] In this embodiment, the fixing frame 100 is further provided with an avoidance groove 142, and the mover core 220 can pass through the avoidance groove 142 and contact the trigger plate 400. By setting the avoidance groove 142, a vibration channel can be formed between the trigger plate 400 and the mover core 220, which facilitates the reciprocating motion of the mover core 220. Furthermore, the buffer layer 600 is also provided with an opening 610 for avoiding the mover core 220.

[0035] Specifically, the fixing frame 100 includes a first side frame 120 and a second side frame 130 that are relatively arranged, and a connecting frame 140 connecting the first side frame 120 and the second side frame 130, the mounting surface 141 is formed on the top of the connecting frame 140, the avoidance groove 142 is opened on the connecting frame 140, and the mounting groove 110 includes a first plug-in groove 111 formed on the first side frame 120, and a second plug-in groove 112 formed on the second side frame 130. Through such an arrangement, the drive plate 300 is conveniently installed and disassembled on the mounting groove 110.

[0036] Furthermore, the first plug-in slot 111 and the second plug-in slot 112 both extend in the horizontal direction. The connecting frame 140 is also provided with a limit slot 143 that matches the outer shell of the vibration motor 200, so as to increase the stability of the vibration motor 200 installed on the fixing frame 100. Furthermore, the first side frame 120 and the second side frame 130 are also respectively provided with a first base 121 and a second base 131, and the first base 121 and the second base 131 are symmetrically arranged about the center line of the fixing frame 100. The arrangement of the first base 121 and the second base 131 is used to increase the counterweight of the fixing frame 100 and lower the center of the fixing frame 100, so as to stably set the fixing frame 100 on the working surface and reduce the influence of the vibration operation of the vibration motor 200 on the vibration intensity measuring device.

[0037] In one embodiment, the vibration motor 200 is electrically connected to the driving board 300 through the wire 230, so that the vibration operation of the vibration motor 200 is controlled by the driving board 300. Further, the stator body 210 is bonded to the driving board 300. Specifically, the stator body 210 is bonded to the driving board 300 by double-sided tape or adhesive glue. The adhesive glue can be selected as 3M glue.

[0038] In one embodiment, the vibration intensity measuring device further includes a connecting member 710, a connecting hole 221 is provided at the lower end of the movable core 220, one end of the connecting member 710 is hung in the connecting hole 221, and the other end is used to hang the weight 500, so as to achieve the hanging of the weight 500 on the movable core 220. The connecting member 710 can be a connecting wire 720 material, and the connecting wire 720 material can be a flexible cord or a metal wire with a certain rigidity. The connecting wire 720 material can be passed through the connecting hole 221 and then tied and fixed.

[0039] Furthermore, hooks 510 are provided at the upper and lower ends of each weight 500, so as to facilitate the hanging of each weight 500, so as to increase the number of weights 500 below the mover core 220. Specifically, the weights 500 are the same, and the weights of the weights 500 are preset values. The number of weights 500 is used to facilitate the measurement of the vibration intensity of the vibration motor 200. Of course, in other embodiments, the weights of the weights 500 may also be different.

[0040] In one embodiment, the vibration intensity measuring device also includes a connecting wire 720, one end of which is connected to the trigger board 400, and the other end is electrically connected to the driving board 300. Through such a configuration, the driving board 300 can be electrically connected to the trigger board 400 through the connecting wire 720, thereby sensing the level change of the trigger board 400.

[0041] In this embodiment, the driving board 300 is used to control the driving power of the vibration motor 200. The driving board 300 is provided with a microcontroller unit (MCU) and a touch chip (Touch Key IC). The microcontroller unit is used to collect the deformation signal of the trigger board 400. When the movable core 220 of the vibration motor 200 touches the trigger board 400, the touch chip will be triggered to act, changing from a high level to a low level. The change in level is used to determine whether the movable core 220 has hit the trigger board 400.

[0042] In one embodiment, the vibration intensity measuring device further includes a pulse generator, which is electrically connected to the driving board 300 and is used to input a pulse control signal. The pulse generator can input different pulse control signals to the driving board 300, thereby changing the vibration intensity of the vibration motor 200. Further, the driving board 300 is provided with a power line 310, a ground line 320 and a signal line 330, and the pulse generator is electrically connected to the driving board 300 through the signal line 330.

[0043] The vibration intensity measuring device of the utility model can provide a preset vibration intensity measurement range through the weight of each configured weight 500. First, a weight 500 is hung under the movable core 220, and the vibration motor 200 starts to vibrate at the set frequency and duty cycle, and the level signal of the touch pin on the touch chip is detected in real time. It is at a high level in the idle state, that is, it is at a high level when the movable core 220 of the vibration motor 200 does not touch the trigger plate 400.

[0044] The weight 500 set at the beginning is relatively light, and the touch pin is kept at a high level. Then the weight of the weight 500 is slightly adjusted upward until the touch pin level of the touch chip is detected to jump from a high level to a low level. At this time, the weight of the weight 500 is recorded, and the weight corresponds to a set of driving frequencies and duty cycles of the vibration motor 200. Then continue to adjust the driving frequency and duty cycle, and operate as above, so that each set of frequency and duty cycle will correspond to the weight of a weight 500, so that the vibration intensity of the vibration motor 200 is quantified.

[0045] In one embodiment, the control principle of the touch chip is as follows. Figure 4In the figure, U1 is MCU, U2 is touch detection IC, and J1 is connected to copper foil. When J1 does not detect a touch signal, U3's 3rd pin outputs a high level; when J1 detects a touch signal, U3's 3rd pin outputs a low level. Changing the capacitance of C1 can adjust the sensitivity of the touch, and C2 and C3 are filter capacitors.

[0046] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the claims of the present invention are still within the scope covered by the present invention.

Claims

1. A vibration intensity measuring device for a vibration motor, characterized in that: The vibration force measuring device includes a fixed frame, a vibration motor, a driving plate, a trigger plate and a plurality of weights. The vibration motor includes a stator body and a mover core arranged in the stator body. The vibration motor and the driving plate are both installed on the fixed frame. The trigger plate is installed on the fixed frame and is located above the mover core. The driving plate is electrically connected to the vibration motor and is used to drive the mover core to reciprocate in a straight line in the direction of gravity. One or more of the weights are hung below the mover core. The driving plate is also electrically connected to the trigger plate and is used to sense the level change of the trigger plate.

2. The vibration intensity measuring device according to claim 1, characterized in that: The stator body is mounted on the driving plate, the fixing frame is provided with a mounting groove, and the driving plate is inserted into the mounting groove to support the vibration motor on the fixing frame.

3. The vibration intensity measuring device according to claim 1, characterized in that: The vibration intensity measuring device further comprises a buffer layer, a mounting surface is provided on the top of the fixing frame, the buffer layer is stacked on the mounting surface, and the trigger plate is stacked on the buffer layer; The fixing frame is also provided with an avoidance groove, and the mover core can pass through the avoidance groove and contact the trigger plate.

4. The vibration intensity measuring device according to claim 3, characterized in that: The vibration intensity measuring device also includes a connecting wire, one end of which is connected to the trigger plate, and the other end of which is electrically connected to the driving plate.

5. The vibration intensity measuring device according to claim 3, characterized in that: The trigger plate is copper foil; and / or, The buffer layer is an elastic plate made of sponge.

6. The vibration intensity measuring device according to claim 1, characterized in that: The vibration intensity measuring device also includes a pulse generator, which is electrically connected to the driving board and is used to input a pulse control signal.

7. The vibration intensity measuring device according to claim 6, characterized in that: The driving board is provided with a power line, a ground line and a signal line, and the pulse generator is electrically connected to the driving board via the signal line.

8. The vibration intensity measuring device according to claim 1, characterized in that: The vibration intensity measuring device also includes a connecting piece. The lower end of the movable core is provided with a connecting hole. One end of the connecting piece is hung in the connecting hole, and the other end is used for hanging the weight.

9. The vibration intensity measuring device according to claim 8, characterized in that: Each of the weights is provided with a hook at the upper end and the lower end; and / or, The weights of the weights may be the same or different.

10. The vibration intensity measuring device according to claim 1, characterized in that: The vibration motor is electrically connected to the driving board via a wire; and / or, The stator body is bonded to the driving plate.

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