Linear motor device and terminal device
阅读说明:本技术 线性马达装置和终端设备 (Linear motor device and terminal device ) 是由 郭华林 姚雨良 任延明 郭智 于 2020-05-15 设计创作,主要内容包括:本申请提供一种线性马达装置,通过设置具有单向透气孔的气缸、具有L型延伸部的质量块、气管和电磁铁等结构,可以实现线性马达装置的自动充气、吸气以及震动的功能。再在气管上配合连接气囊,可以将自动充气和吸气的过程转变为气囊的单向运动,从而作为活动部件的动力源,为活动部件提供动力。通过对线性马达的结构进行改进,使得线性马达不仅具有提供震感的功能,还可以作为活动部件的动力源,从而可以节省终端设备的空间,有助于推动终端设备实现小型化和轻量化。(The application provides a linear motor device, through setting up the cylinder that has one-way bleeder vent, the quality piece that has L type extension, trachea and electro-magnet isotructure, can realize linear motor device's automatic charging, inhale and the function of vibrations. The air tube is matched and connected with the air bag, so that the automatic inflation and air suction processes can be converted into unidirectional movement of the air bag, and the air bag can be used as a power source of the movable part to provide power for the movable part. Through improving linear motor's structure for linear motor not only has the function that provides the sensation of vibration, can also regard as the power supply of movable part, thereby can save terminal equipment's space, helps promoting terminal equipment and realizes miniaturization and lightweight.)
1. A linear motor apparatus, comprising:
a linear motor body having a hollow structure;
the air cylinder comprises a cylinder barrel, an end cover and a piston, wherein two one-way air holes are formed in the end cover, the piston is arranged inside the cylinder barrel, and the piston can linearly reciprocate inside the cylinder barrel;
a mass block including a base and an L-shaped extension, wherein the base is disposed in the hollow structure of the linear motor body, is slidably connected with the linear motor body, and can reciprocate linearly in the hollow structure, and the L-shaped extension extends out of the hollow structure and is connected with the piston inside the cylinder;
the air pipe is provided with a hollow structure, is arranged adjacent to the air cylinder, and is sleeved with a permanent magnet and an elastic component, the permanent magnet is sleeved on one side, close to the air cylinder, of the air pipe, the elastic component is sleeved on one side, far away from the air cylinder, of the air pipe, and the elastic component is compressed when being subjected to pressure along the axial direction of the air pipe;
two sets of electro-magnets center on tracheal circumferential direction sets up relatively, wherein, around there being the coil on every electro-magnet, the coil is circular telegram the back, the magnetic force that two sets of electro-magnets produced with permanent magnet's magnetic force interact makes on the trachea the cover be equipped with permanent magnet's one end is in unsettled position, perhaps connects the cylinder on one of them in two one-way bleeder vents.
2. The linear motor apparatus of claim 1, wherein the two unidirectional vents comprise an intake hole and an exhaust hole, wherein,
when the piston in the cylinder makes linear reciprocating motion and one end of the air pipe, which is sleeved with the permanent magnet, is connected to the air inlet hole, the cylinder is in an air suction state;
when the piston in the cylinder makes linear reciprocating motion and one end of the air pipe, which is sleeved with the permanent magnet, is connected to the exhaust hole, the cylinder is in an exhaust state;
when the piston in the cylinder makes a linear reciprocating motion and one end of the air pipe, which is sleeved with the permanent magnet, is in a suspension position, the linear motor device is in a vibration state.
3. The linear motor device according to claim 1 or 2, wherein an air bag is connected to an end of the air tube away from the air cylinder, when an end of the air tube on which the permanent magnet is fitted is connected to the air inlet hole in a fitting manner, air in the air bag is sucked into the air cylinder through the air tube, and the air bag is in a suction state and moves in a single direction;
when one end of the air pipe, which is sleeved with the permanent magnet, is connected to the exhaust hole in a matching manner, air in the air cylinder is filled into the air bag through the air pipe, and the air bag is in an inflation state and does unidirectional motion.
4. The linear motor apparatus according to claim 3, further comprising:
the controller is used for controlling the magnitude and the magnetic poles of the magnetic force generated by the two groups of electromagnets, wherein the magnetic poles of the permanent magnets are the same as the magnetic poles of the two groups of electromagnets,
when the controller controls the magnetic poles generated by the two groups of electromagnets to be the same and the magnetic force is the same, one end of the air pipe, which is sleeved with the permanent magnet, is in a suspended position, and the linear motor device is in a vibration state;
when the controller controls the magnetic poles generated by the two groups of electromagnets to be the same, and the magnetic force of the group of electromagnets close to the air inlet is greater than that of the group of electromagnets close to the air outlet, one end of the air pipe sleeved with the permanent magnet is connected to the air outlet in a matched manner, and the air bag is in the inflated state;
when the controller controls the magnetic poles generated by the two groups of electromagnets to be the same and the magnetic force of one group of electromagnets close to the air inlet hole is smaller than that of one group of electromagnets close to the air outlet hole, one end of the air pipe, which is sleeved with the permanent magnet, is connected to the air inlet hole in a matched mode, and the air bag is in an air suction state.
5. A linear motor apparatus as claimed in claim 3 or 4, wherein the size and volume of the air-bag is adjustable.
6. The linear motor apparatus according to any one of claims 3 to 5, wherein a movable member is connected to the other end of the air bag opposite to the end connected to the cylinder, and when the air bag is in the air-breathing state or the inflated state, the movable member is powered by power generated by unidirectional movement of the air bag due to air-breathing or inflation.
7. A linear motor apparatus according to any one of claims 1 to 6, wherein the resilient member is a return spring.
8. Terminal device, characterized in that it comprises a linear motor arrangement according to any one of claims 1 to 7.
Technical Field
The present application relates to the field of linear motors, and more particularly, to a linear motor apparatus.
Background
With the rapid improvement of the informatization level and the requirements of people on miniaturization, light weight, portability and intellectualization of intelligent terminal equipment, high screen occupation ratio and high interactivity become the development direction of future terminal equipment. For example, a telescopic camera solution under high screen duty requirements, an application of a linear motor under high interactivity requirements, etc.
The linear motor is more and more widely applied to terminal equipment such as mobile phones and wearable equipment by virtue of the characteristics of high reaction speed, low power consumption, easiness in adjustment and control, easiness in customization and the like. In the existing terminal equipment, the linear motor is only used for providing a vibration sense, and the extension and retraction of other movable parts are realized by adding a stepping motor or other complicated mechanisms.
It can be seen that, in the existing terminal device, the linear motor and the stepping motor have a single function, wherein the linear motor only provides a feeling of vibration, and the stepping motor only serves as a power source of the component. This leads to an increase in the cost of the terminal device and an inability to minimize the size, which is contrary to the development direction of the smart terminal device, such as miniaturization and weight reduction.
Disclosure of Invention
The application provides a linear motor device has the function of providing the sense of vibration and providing power for other movable parts concurrently, can save intelligent terminal's space, helps promoting terminal equipment and realizes miniaturization and lightweight.
In a first aspect, there is provided a linear motor apparatus comprising:
a linear motor body having a hollow structure;
the air cylinder comprises a cylinder barrel, an end cover and a piston, wherein two one-way air holes are formed in the end cover, the piston is arranged inside the cylinder barrel, and the piston can linearly reciprocate inside the cylinder barrel;
the mass block comprises a base part and an L-shaped extension part, the base part is arranged in the hollow structure of the linear motor body, is connected with the linear motor body in a sliding mode and can reciprocate linearly in the hollow structure, and the L-shaped extension part extends out of the hollow structure and is connected with the piston inside the cylinder;
the air pipe is provided with a hollow structure, is arranged adjacent to the air cylinder, and is sleeved with a permanent magnet and an elastic component, the permanent magnet is sleeved on one side, close to the air cylinder, of the air pipe, the elastic component is sleeved on one side, far away from the air cylinder, of the air pipe, and the elastic component is compressed when being subjected to pressure along the axial direction of the air pipe;
two sets of electro-magnets center on tracheal circumferential direction sets up relatively, wherein, around there being the coil on every electro-magnet, the coil is circular telegram the back, the magnetic force that two sets of electro-magnets produced with permanent magnet's magnetic force interact makes on the trachea the cover be equipped with permanent magnet's one end is in unsettled position, perhaps connects the cylinder on one of them in two one-way bleeder vents.
The application provides a linear motor device is provided with the cylinder of one-way bleeder vent, including the quality piece, trachea and the electro-magnet isotructure of L type extension, can realize linear motor device's automatic charging, inhale and the function of vibrations. The linear motor device has multiple functions, can save the space of the terminal equipment, saves the manufacturing cost of the terminal equipment, and contributes to the light weight and the miniaturization of the terminal equipment.
With reference to the first aspect, in certain implementations of the first aspect, the two one-way vents include an air inlet and an air exhaust, wherein,
when the piston in the cylinder makes linear reciprocating motion and one end of the air pipe, which is sleeved with the permanent magnet, is connected with the air inlet hole, the cylinder is in an air suction state;
when the piston in the cylinder makes linear reciprocating motion and one end of the air pipe, which is sleeved with the permanent magnet, is connected to the exhaust hole, the cylinder is in an exhaust state;
when the piston in the cylinder makes a linear reciprocating motion and one end of the air pipe, which is sleeved with the permanent magnet, is in a suspension position, the linear motor device is in a vibration state.
With reference to the first aspect, in certain implementations of the first aspect, an air bag is disposed at one end of the air tube, which is away from the air cylinder, and when one end of the air tube, on which the permanent magnet is sleeved, is connected to the air inlet hole in a matching manner, air in the air bag is sucked into the air cylinder through the air tube, and the air bag is in a suction state and moves in a single direction;
when one end of the air pipe, which is sleeved with the permanent magnet, is connected to the exhaust hole in a matching manner, air in the air cylinder is filled into the air bag through the air pipe, and the air bag is in an inflation state and does unidirectional motion.
It will be appreciated that the direction of movement of the air-bag in the one-way movement when in the air-breathing condition is opposite to the direction of movement of the air-bag in the one-way movement when in the inflated condition.
Further, the air bag is arranged on the air pipe of the linear motor device in a matched mode, the automatic inflation and air suction processes can be converted into one-way movement of the air bag, and therefore the air bag can serve as a power source of the movable part and provide power for the movable part. By improving the structure of the linear motor, the linear motor not only has the function of providing the vibration sense, but also can be used as a power source of a movable part.
Therefore, a stepping motor or other complex structures for providing power for the movable part in the existing terminal equipment can be omitted, the internal structure of the terminal equipment can be simplified under the condition that the functions of the terminal equipment are not reduced, the space of the terminal equipment is saved, and the manufacturing complexity is reduced.
With reference to the first aspect, in certain implementations of the first aspect, the linear motor apparatus further includes:
the controller is used for controlling the magnitude and the magnetic poles of the magnetic force generated by the two groups of electromagnets, wherein the magnetic poles of the permanent magnets are the same as the magnetic poles of the two groups of electromagnets,
when the controller controls the magnetic poles generated by the two groups of electromagnets to be the same and the magnetic force is the same, one end of the air pipe, which is sleeved with the permanent magnet, is in a suspended position, and the linear motor device is in a vibration state;
when the controller controls the magnetic poles generated by the two groups of electromagnets to be the same and the magnetic force of one group of electromagnets close to the air inlet hole is larger than that of one group of electromagnets close to the air outlet hole, one end of the air pipe, which is sleeved with the permanent magnet, is connected to the air outlet hole, and the air bag is in the inflated state;
when the controller controls the magnetic poles generated by the two groups of electromagnets to be the same and the magnetic force of one group of electromagnets close to the air inlet hole is smaller than that of one group of electromagnets close to the air outlet hole, one end of the air pipe, which is sleeved with the permanent magnet, is connected to the air inlet hole, and the air bag is in an air suction state.
With reference to the first aspect, in certain implementations of the first aspect, the balloon is adjustable in size and volume.
With reference to the first aspect, in certain implementations of the first aspect, a movable part is connected to the other end of the airbag opposite to the end connected to the cylinder, and when the airbag is in the air suction state or the inflation state, the movable part is powered by power generated by unidirectional movement of the airbag due to air suction or inflation.
With reference to the first aspect, in certain implementations of the first aspect, the elastic member is a return spring.
With reference to the first aspect, in certain implementations of the first aspect, each of the two sets of electromagnets includes one electromagnet.
In a second aspect, there is provided a terminal device comprising a linear motor apparatus as described in the first aspect or any aspect thereof.
Drawings
Fig. 1 is a schematic structural view of a linear motor apparatus provided in the present application.
Fig. 2 is another angular view of the linear motor body, cylinder and mass.
Fig. 3 is a sectional view showing a positional relationship of the mass and the linear motor body.
Fig. 4 is a schematic view of the structure of the air tube of the linear motor device.
Fig. 5 is a schematic structural view of a cylinder of the linear motor apparatus.
Fig. 6 is a cross-sectional view of a vent structure according to an embodiment of the present application.
FIG. 7 is a cross-sectional view of an air intake hole structure according to an embodiment of the present application.
Fig. 8 is a cross-sectional view of a suspended position trench structure according to an embodiment of the present application.
Fig. 9 shows a top view of the air tube fitting of the linear motor device connected to the one-way air vent adjacent to the
Figure 10 shows a top view of the air tube of the linear motor apparatus in a suspended position.
Fig. 11 shows a top view of the air tube fitting of the linear motor apparatus connected to the one-way vent adjacent to the
Fig. 12 is a top view of the final state of the airbag inflation process of the linear motor apparatus.
Fig. 13 is a plan view of the final state of the air bag suction process of the linear motor device.
Description of reference numerals:
Groove 11
End
Piston 23
One-way air holes 221,222
Valve 2211 of exhaust hole
Valve 2221 of air intake
Mass 30
L-shaped
The
Permanent magnet 41
Elastic member 42
Two sets of
Air bag 70
Movable part 90
Detailed Description
The technical solution in the present application will be described below with reference to the accompanying drawings.
In the existing terminal equipment, the linear motor only provides a vibration sense, the stepping motor only serves as a power source of a component, and the linear motor and the stepping motor have single functions. To the single current situation of linear motor effect, this application improves linear motor's quality piece on current linear motor's basis, and the cooperation has the cylinder of one-way bleeder vent, trachea and structures such as electro-magnet, can realize automatic charging, breathe in and vibrations function. The air bag is arranged on the air pipe in a matching way, so that the automatic inflation and air suction processes can be converted into unidirectional movement of the air bag, and the air bag can be used as a power source of the movable part to provide power for the movable part. By improving the structure of the linear motor, the linear motor not only has the function of providing the vibration sense, but also can be used as a power source of a movable part.
Referring to fig. 1, fig. 1 is a schematic structural view of a linear motor apparatus provided in the present application. Referring to fig. 1, the linear motor device mainly includes a
Specifically, the
The
And a mass 30 including a
The
Two sets of electromagnets (50,60) are oppositely disposed around the circumference of the
Referring to fig. 2, fig. 2 is another angular view of the linear motor body, cylinder, and mass. In a specific implementation, as shown in fig. 2, the
In the embodiment of the present application, the hollow structure of the
To show the structure of the mass 30 more clearly, please refer to fig. 3, and fig. 3 is a cross-sectional view showing the position relationship between the mass and the linear motor body.
By designing the L-shaped
When the
For example, an L-shaped
If one end of the
If the end of the
It will be appreciated that when the linear motor device is in a vibration state, a discharge state or a suction state, both the one-way ventilation holes (221,222) of the
Referring to fig. 4, fig. 4 is a schematic view showing the structure of an air tube of the linear motor device. As shown in fig. 4, the
Referring to fig. 5, fig. 5 is a schematic structural view of a cylinder of the linear motor apparatus. As shown in fig. 5, the
The end cover 22 of the
It should be understood that the relative positions of the one-way vents (221,222) and the hanging
Alternatively, the
The unidirectional air holes and the hanging position slots in the embodiment of the present application are described below with reference to fig. 6 to 8, respectively.
Referring to fig. 6, fig. 6 is a cross-sectional view of a vent structure according to an embodiment of the present application. As shown in fig. 6, when the
Referring to fig. 7, fig. 7 is a sectional view of an air intake hole structure according to an embodiment of the present application. As shown in fig. 7, when the
Referring to fig. 8, fig. 8 is a cross-sectional view of a suspended position slot structure according to an embodiment of the present application. As shown in fig. 8, when the end of the
It will be appreciated that the
For example, when the
Optionally, when the linear motor device is in a vibration state, the end of the
Further, it should be understood that the
In another example, the
In a specific implementation, the linear motor arrangement further comprises a
Alternatively, the
Alternatively, the number of the two sets of electromagnets (50,60) in each set can be set according to the required magnetic force. In one implementation, only one electromagnet is provided per group, or more than 1 electromagnet may be provided per group, without limitation.
In one specific implementation, the
In another case, when the magnetic forces generated by the two sets of electromagnets (50,60) are equal, the repulsive forces generated by the two sets of electromagnets (50,60) on the permanent magnet 41 are the same, and the end of the air tube where the permanent magnet 41 is sleeved will be in a suspended position, for example, in the suspended position groove 223 on the
Alternatively, the
Fig. 9-11 show several different states of the one-way vent where the air tube is coupled to the air cylinder, respectively. Figure 9 shows a top view of the
Assuming that the one-way airing hole adjacent to the
The linear motor device provided by the present application has been described in detail above with respect to the vibration providing function and the automatic air discharging and air sucking function, and the following describes a scheme in which the linear motor device of the present application is used as a power source to provide power to a movable member.
As described above, the
In a specific implementation, the volume and size of the air bag 70 are both adjustable, and the customization degree is high.
Fig. 12 shows the final state of the airbag inflation process of the linear motor device. As shown in fig. 12, when the end of the
Fig. 13 shows the final state of the air bag suction process of the linear motor device. As shown in fig. 13, when one end of the air tube, on which the permanent magnet 41 is mounted, is coupled to the
Meanwhile, the movable part 90 in the terminal device may be connected to the air bag 70, and thus, when the air bag 70 is in the process of inhaling or inflating, the power generated by the unidirectional movement of the air bag 70 may be used as a power source of the movable part (e.g., a camera or a retractable earphone).
For example, the movable part 90 may be a camera of the terminal device. Taking fig. 12 and 13 as an example, when the air bag 70 is inflated, the camera is pushed out from the original position to the side away from the cylinder by a certain displacement under the pushing force generated by the unidirectional movement (the movement direction is away from the cylinder) of the air bag 70. When the air bag 70 is in the process of inhaling, the camera is pulled back to the original position along with the air bag 70 in the process of unidirectional movement (the moving direction is close to the air cylinder) of the air bag 70.
The specific connection between the movable element 90 and the air bag 70 is not limited in this application, and those skilled in the art can select a suitable connection.
Compare with current linear motor, the linear motor device that this application provided has expanded the function that current linear motor only provided vibrations, makes it not only provide vibrations, can also realize automatic inflation, inspiratory function and as the power supply, can full play linear motor device's effect, realizes more functions, saves inside step motor or other complicated mechanisms as the power supply originally of terminal equipment.
When the linear motor device provided by the application is applied to the terminal equipment, the space of the terminal equipment can be saved, and the terminal equipment is light and small.
It should be understood that the structures of the respective components and the connection relationships between the components in the linear motor device shown in fig. 1 to 13 are only schematic illustrations, and any alternative structures of the components that function the same as each component are within the scope of protection of the embodiments of the present application.
In addition, in the embodiments of the present application, the terms "connected", "fixedly connected", "slidably connected", and the like should be construed broadly unless otherwise explicitly specified or limited. Specific meanings of the above-mentioned various terms in the embodiments of the present application can be understood by those skilled in the art according to specific situations.
Illustratively, for "connection", various connection methods such as fixed connection, rotation connection, flexible connection, mobile connection, integral molding, electrical connection, and the like can be used. May be directly connected to one another or may be indirectly connected to one another through intervening media, or may be interconnected within two elements or in an interactive relationship between the two elements.
For example, the explanation of "contact" may be that one element is in direct contact or indirect contact with another element, and furthermore, the contact between two elements described in the embodiments of the present application may be understood as a contact within an allowable range of mounting error, and there may be a small gap due to the mounting error.
By way of example, with respect to "fixedly attached," it is possible that one element may be directly or indirectly fixedly attached to another element; the fixed connection may include mechanical connection, welding, bonding, and the like, wherein the mechanical connection may include riveting, bolting, screwing, keying, snapping, latching, plugging, and the like, and the bonding may include adhesive bonding, solvent bonding, and the like.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.