CN213812331U - Detection mechanism and mower - Google Patents
Detection mechanism and mower Download PDFInfo
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- CN213812331U CN213812331U CN202023094544.9U CN202023094544U CN213812331U CN 213812331 U CN213812331 U CN 213812331U CN 202023094544 U CN202023094544 U CN 202023094544U CN 213812331 U CN213812331 U CN 213812331U
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- coil
- upper cover
- movable upper
- mower
- magnetic block
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Abstract
The utility model provides a listen mechanism, lawn mower. Wherein, detect the mechanism and include: the magnet module is positioned on the movable upper cover; the coil module is positioned on the shell; and when the movable upper cover and the shell generate relative displacement, the magnet module and the coil module generate relative movement so as to enable the coil module to generate current change. Compared with the prior art, the utility model discloses a listen the operating condition that the mechanism comes monitoring facilities, utilize and take place relative motion and produce corresponding signal current between coil module and the magnetic path module of listening the mechanism to judge the concrete motion state of equipment according to the direction of the signal current who produces, thereby carry out corresponding adjustment, avoided equipment to start under certain special circumstances and trigger the condition of reporting to the police promptly.
Description
Technical Field
The utility model relates to a listen mechanism, lawn mower, mainly used listens the walking state of lawn mower.
Background
The intelligent lawn mower is a robot for maintaining a lawn, has the advantages of intellectualization, modernization, environmental protection, liberation of hands and the like, and is more and more favored by markets and consumers. During operation, a series of sensors are required to determine whether the machine is in a normal working state, wherein a collision sensor and a lifting sensor are the most basic sensors for the machine to work normally.
The sensor widely used at present is a magnet-hall combination, when the sensor is started, the relative position between the magnet and the hall needs to be in a trigger state, the sensor is generally used for detecting the static position between the magnet and the hall, and certain defects exist in the detection of the collision process and the collision direction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a listen mechanism, lawn mower.
In order to achieve the above object, the utility model provides a detection mechanism, include: the magnet module is positioned on the movable upper cover; the coil module is positioned on the shell; and when the movable upper cover and the shell generate relative displacement, the magnet module and the coil module generate relative movement so as to enable the coil module to generate current change.
As a further improvement of the present invention, the magnet module includes: the support is detachably arranged on the inner side of the movable upper cover; and the magnetic block is positioned on the support and is arranged to protrude towards the inner side.
As a further improvement of the utility model, the movable upper cover is provided with a mounting groove; the support is clamped in the mounting groove.
As a further improvement of the present invention, the coil module includes: a frame positioned on the housing; a coil wound around the periphery of the frame; and the coil is connected with a sensor to detect the current change in the coil.
As a further improvement of the utility model, the open end of the frame is horizontally arranged and aligned with the magnetic block; when the movable upper cover and the shell are displaced relatively, the magnetic block is suitable for being inserted into or pulled out of the coil, so that current change is generated in the coil.
As a further improvement of the utility model, the opening end of the frame is also provided with a horn-shaped guide groove; the end part of the magnetic block is suitable for being placed into the guide groove; the root of the magnetic block is provided with a flange; and the diameter of the flange is between the flaring end and the necking end of the guide groove.
As a further improvement of the utility model, the insertion length of the magnetic block is not more than the length of the coil.
Another object of the utility model is to provide a lawn mower, include: a housing; the movable upper cover is movably arranged on the machine shell; the control assembly is positioned in the shell; at least one detecting mechanism located between the casing and the movable upper cover; and when the movable upper cover and the machine shell generate relative displacement, the detection mechanism is suitable for transmitting a detection signal to the control component so as to regulate and control the working state of the mower.
As a further improvement of the present invention, the detecting mechanism includes: the magnet module is positioned on the movable upper cover; the coil module is positioned on the shell; and when the movable upper cover and the shell generate relative displacement, the magnet module and the coil module generate relative movement so as to enable the coil module to generate current change.
As a further improvement of the present invention, the magnet module includes: the support is detachably arranged on the inner side of the movable upper cover; and the magnetic block is positioned on the support and is arranged to protrude towards the inner side.
As a further improvement of the utility model, the movable upper cover is provided with a mounting groove; the support is clamped in the mounting groove.
As a further improvement of the present invention, the coil module includes: a frame positioned on the housing; a coil wound around the periphery of the frame; and the coil is connected with a sensor to detect the current change in the coil.
As a further improvement of the utility model, the open end of the frame is horizontally arranged and aligned with the magnetic block; when the movable upper cover and the shell are displaced relatively, the magnetic block is suitable for being inserted into or pulled out of the coil, so that current change is generated in the coil.
As a further improvement of the utility model, the opening end of the frame is also provided with a horn-shaped guide groove; the end part of the magnetic block is suitable for being placed into the guide groove; the root of the magnetic block is provided with a flange; and the diameter of the flange is between the flaring end and the necking end of the guide groove.
As a further improvement of the utility model, the insertion length of the magnetic block is not more than the length of the coil.
The utility model has the advantages that: the utility model discloses a listen mechanism and come monitoring facilities's operating condition, the relative motion takes place between the coil module that utilizes to listen the mechanism and the magnet module and produce corresponding current change, as listening the signal to judge the concrete motion state of equipment according to the current signal who produces, thereby carry out corresponding adjustment. When relative displacement is generated between the movable upper cover and the shell, the collision process and the collision direction can be detected, and the working state of the equipment can be adjusted in time.
Drawings
Fig. 1 is a schematic structural diagram of a detection mechanism according to the present invention;
fig. 2 is a top perspective view of a first lawnmower.
Fig. 3 is a bottom perspective view of the first lawnmower.
Fig. 4 is a top perspective view of a second lawnmower.
Fig. 5 is a bottom perspective view of a second lawnmower.
Fig. 6 is a cross-sectional view a-a of fig. 5.
Fig. 7 is an enlarged view of a portion B in fig. 6.
Fig. 8 is a schematic view of the working process of the mower of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present invention discloses a detecting mechanism 100, which includes: the magnet module 110 is positioned on the movable upper cover 300 of the mower; the coil module 120 is positioned on the housing 200 of the mower; and when the movable upper cover 300 of the mower and the housing 200 are displaced relatively, the magnet module 110 and the coil module 120 move relatively to each other, so that the coil module 120 generates a current change.
Optionally, in the present application, the magnet module and the coil module may be switched between different positions, that is, the magnet module is located on the housing of the lawn mower, and the coil module is located on the movable upper cover of the lawn mower. The movable upper cover of the mower can be selectively buckled on the shell of the mower, so that the relative movement gap between the movable upper cover and the shell is met. The interior of the shell can prevent control components (such as a processor, a corresponding control circuit and a corresponding drive circuit) from being in a sealed state, and can prevent water inflow, electric leakage and the like. Because the coil module needs to be connected with the control assembly through a circuit, the coil module is placed on the shell, and the condition that the circuit is exposed cannot occur. Wherein magnet module and coil module can the level place, also can vertically place to detect the collision condition of lawn mower or other smart machine on the equidirectional.
As an alternative embodiment of the magnet module.
Referring to fig. 1, the magnet module 110 includes: the support 111 is detachably arranged on the inner side of the movable upper cover 300 of the mower; and the magnetic block 112 is positioned on the support 111 and protrudes inwards.
Optionally, the movable upper cover 300 is provided with a mounting groove; the support 111 is clamped in the mounting groove. Of course, the support can be detachably mounted inside the movable upper cover 300 of the mower by means of screws, threads and the like.
As an alternative embodiment of the coil module.
Referring to fig. 1, the coil module 120 includes: a frame 121 located on the housing 200 of the mower; a coil 122 wound around the frame 121; and the coil 122 is connected to a sensor for detecting the current change in the coil, and the current change is transmitted to the control component of the lawn mower as a detection signal through the sensor.
Optionally, the sensor is, for example but not limited to, a current sensor to detect a change in current in the coil.
Optionally, the open end of the frame 121 is horizontally disposed and aligned with the magnetic block 112; when the movable upper cover of the mower and the machine shell are displaced relatively, the magnetic block 112 is suitable for being inserted into or pulled out of the coil 122, so that current change is generated in the coil. Specifically, the insertion length of the magnetic block is not more than the length of the coil, so that the magnetic block cannot penetrate through the coil in the moving process. In the process of inserting or pulling out the magnetic block into or from the coil, the larger the current generated by the coil is, the larger the moving speed of the magnetic block is, the violent degree of collision between the movable upper cover and the casing can be represented, and for different violent degrees, the control assembly can select different processing modes, such as shutdown, route change or walking speed reduction and the like. Of course, the collision direction may also be determined from the direction of the current.
In the scheme, a gap for the movement of the magnetic block is reserved between the outer contour of the magnetic block and the inner surface of the frame, but in order to prevent the magnetic block from being clamped in the frame, a horn-shaped guide groove 123 is further arranged at the opening end of the frame 121; the end of the magnetic block 112 is suitable for being placed in the guide groove 123; the root of the magnetic block 112 is provided with a flange 113; and the diameter of the flange 113 is between the flared end and the necking end of the guide groove so as to limit the movement distance of the magnetic block and avoid the magnetic block from being blocked by the shell.
In the scheme, the specific working process of the detection mechanism is as follows: when the mower is in a collision (especially, a horizontal collision) or the like, the moving direction of the movable upper cover 300 relative to the housing 200 is also different, further, the moving direction of the magnetic block relative to the coil is different, so that different varying induced currents (including the magnitude and direction of the current) are generated, the control assembly detects the variation of the different induced currents to judge the collision of the mower, and then performs corresponding adjustment to adjust the working state of the mower. In other words, the utility model discloses use magnetic path and coil to monitor the work or the walking state of lawn mower, utilize the motion state of electromagnetic induction principle dynamic detection lawn mower's activity upper cover to can judge the direction that the activity upper cover took place to remove through the direction that produces signal current, the motion direction of magnetic path changes promptly, and the current direction changes thereupon, and the automobile body that controls the lawn mower through detecting current change keeps away barrier and operating condition adjustment.
Furthermore, the utility model discloses still disclose a lawn mower, include: a housing; the movable upper cover is movably arranged on the machine shell; the control assembly is positioned in the shell; at least one detecting mechanism located between the casing and the movable upper cover; and when the movable upper cover and the machine shell generate relative displacement, the detection mechanism is suitable for transmitting a detection signal to the control component so as to regulate and control the working state of the mower.
The above description is referred to the specific structure and assembly relationship of the detecting mechanism. Optionally, the control assembly may include a processor, control circuits, a sensing unit and corresponding driving circuits, etc., and may detect a change in the current signal to adjust the operating state of the lawn mower. Optionally, the control component may determine the severity of the collision between the movable upper cover and the housing according to the magnitude of the current generated by the coil in the process of inserting or extracting the magnetic block into or from the coil, and for different severity, the control component may select different processing modes to adjust the working state of the mower, such as but not limited to shutdown, changing a route, reducing a walking speed, reducing a mowing speed, and the like.
In the scheme, the type and the type of the mower are not limited, and the condition that the mower collides can be judged through the detection mechanism. The following two types of lawn mowers are listed for illustrating the assembly relationship and operation of the detection mechanism in the lawn mowers, but should not be construed as limiting the lawn mowers model.
Referring to fig. 2-3, the present invention also discloses a first mower comprising: a chassis 200; a movable upper cover 300 movably installed on the cabinet 200; the control assembly is positioned in the shell; at least one detecting mechanism located between the housing 200 and the movable cover 300 (hidden from view, the position and installation relationship of which can refer to the second mower); and the detecting mechanism is suitable for detecting the relative displacement between the movable upper cover and the shell. Wherein, the first mower further comprises a driving assembly 400 positioned at the bottom of the housing and a cutting knife assembly 500 positioned on the housing; wherein the drive assembly 400 includes a pair of drive wheels 410 and a pair of road wheels 420. The cutter assembly 500 includes a cutter head and a cutter positioned on the cutter head.
As shown in fig. 4-7, a second mower is also disclosed, comprising: a chassis 200; a movable upper cover 300 movably installed on the cabinet 200; the control assembly is positioned in the shell; at least one detecting mechanism 100 located between the housing 200 and the movable top cover 300; and the detecting mechanism is suitable for detecting the relative displacement between the movable upper cover and the shell. The second mower further comprises a driving assembly 400 positioned at the bottom of the machine shell, a cutting knife assembly 500 positioned on the machine shell, and a protective cover 600 positioned below the cutting knife assembly 500; wherein the drive assembly 400 includes a pair of drive wheels 410 and a road wheel 420. The cutter assembly 500 includes a cutter head and a cutter positioned on the cutter head.
In the present disclosure, each of the first mower and the second mower includes a housing, a movable upper cover, and a detecting mechanism located between the housing and the movable upper cover. The detection mechanism has similar structure and same function, is only limited to the appearance structure of the mower and other designs of the machine shell, has different installation positions and matching relations, does not substantially improve the structure of the detection mechanism, has basically same working process in the two mowers, and can be mutually referred.
Of course, see fig. 8, the working process of the lawn mower of the present invention is as follows, including: the control component controls the mower to work; detecting the relative displacement between the movable upper cover and the shell by a detecting mechanism; when the movable upper cover and the machine shell generate relative displacement, the control component adjusts the working state of the mower.
To sum up, the utility model discloses a lawn mower adopts to listen the mechanism and monitors operating condition, utilizes to listen to take place relative motion and produce corresponding signal current between coil and the magnetic path in the mechanism to judge the concrete motion state of equipment according to the direction of the signal current who produces, thereby carry out corresponding adjustment through control assembly, improved the security performance, also can avoid equipment to trigger the alert condition of wrong report when starting.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (15)
1. A detecting mechanism, comprising:
the magnet module is positioned on the movable upper cover;
the coil module is positioned on the shell; and
when the movable upper cover and the shell generate relative displacement, the magnet module and the coil module generate relative movement, so that the coil module generates current change.
2. The detection mechanism as claimed in claim 1, wherein,
the magnet module includes:
the support is detachably arranged on the inner side of the movable upper cover;
and the magnetic block is positioned on the support and is arranged to protrude towards the inner side.
3. The detection mechanism as claimed in claim 2,
the movable upper cover is provided with a mounting groove;
the support is clamped in the mounting groove.
4. The detection mechanism as claimed in claim 2,
the coil module includes:
a frame positioned on the housing;
a coil wound around the periphery of the frame; and
the coil is connected to a sensor for detecting a change in current in the coil.
5. The detection mechanism as claimed in claim 4, wherein,
the opening end of the frame is horizontally arranged and aligned with the magnetic block;
when the movable upper cover and the shell are displaced relatively, the magnetic block is suitable for being inserted into or pulled out of the coil, so that current change is generated in the coil.
6. The detection mechanism as claimed in claim 5, wherein,
the opening end of the frame is also provided with a horn-shaped guide groove;
the end part of the magnetic block is suitable for being placed into the guide groove;
the root of the magnetic block is provided with a flange; and
the diameter of the flange is between the flaring end and the necking end of the guide groove.
7. The detection mechanism as claimed in claim 6,
the insertion length of the magnetic block is not more than the length of the coil.
8. A lawn mower, comprising:
a housing;
the movable upper cover is movably arranged on the machine shell;
the control assembly is positioned in the shell;
at least one detecting mechanism located between the casing and the movable upper cover; and
when the movable upper cover and the machine shell generate relative displacement, the detection mechanism is suitable for transmitting a detection signal to the control component so as to regulate and control the working state of the mower.
9. The mower of claim 8,
the detection mechanism comprises:
the magnet module is positioned on the movable upper cover;
the coil module is positioned on the shell; and
when the movable upper cover and the shell generate relative displacement, the magnet module and the coil module generate relative movement, so that the coil module generates current change.
10. The mower of claim 9,
the magnet module includes:
the support is detachably arranged on the inner side of the movable upper cover;
and the magnetic block is positioned on the support and is arranged to protrude towards the inner side.
11. The mower of claim 10,
the movable upper cover is provided with a mounting groove;
the support is clamped in the mounting groove.
12. The mower of claim 10,
the coil module includes:
a frame positioned on the housing;
a coil wound around the periphery of the frame; and
the coil is connected to a sensor for detecting a change in current in the coil.
13. The mower of claim 12,
the opening end of the frame is horizontally arranged and aligned with the magnetic block;
when the movable upper cover and the shell are displaced relatively, the magnetic block is suitable for being inserted into or pulled out of the coil, so that current change is generated in the coil.
14. The mower of claim 13,
the opening end of the frame is also provided with a horn-shaped guide groove;
the end part of the magnetic block is suitable for being placed into the guide groove;
the root of the magnetic block is provided with a flange; and
the diameter of the flange is between the flaring end and the necking end of the guide groove.
15. The mower of claim 14,
the insertion length of the magnetic block is not more than the length of the coil.
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023094544.9U CN213812331U (en) | 2020-12-21 | 2020-12-21 | Detection mechanism and mower |
| CN202180029832.4A CN115666221A (en) | 2020-05-14 | 2021-03-31 | Grass cutter |
| EP21166290.3A EP3888440A1 (en) | 2020-03-31 | 2021-03-31 | A robotic mower with integrated assemblies |
| CN202180022898.0A CN116325411A (en) | 2020-05-07 | 2021-03-31 | Robot mower with integrated component |
| PCT/CN2021/084615 WO2021197390A1 (en) | 2020-03-31 | 2021-03-31 | A robotic mower with integrated assemblies |
| PCT/CN2021/084567 WO2021227691A1 (en) | 2020-05-14 | 2021-03-31 | A robotic mower with collision and detection assemblies |
| EP21781918.4A EP4125321A4 (en) | 2020-03-31 | 2021-03-31 | A robotic mower with integrated assemblies |
| US17/218,188 US20210329841A1 (en) | 2020-03-31 | 2021-03-31 | Robotic Mower with Integrated Assemblies |
| US17/218,193 US20210352842A1 (en) | 2020-05-14 | 2021-03-31 | Robotic Mower with Collision and Detection Assemblies |
| EP21803192.0A EP4149237A4 (en) | 2020-05-14 | 2021-03-31 | A robotic mower with collision and detection assemblies |
| EP21166309.1A EP3909411A3 (en) | 2020-05-14 | 2021-03-31 | A robotic mower with collision and detection assemblies |
| US17/948,249 US20230008169A1 (en) | 2020-03-31 | 2022-09-20 | A Robotic Mower with Integrated Assemblies |
| US17/973,538 US20230051150A1 (en) | 2020-05-14 | 2022-10-26 | Robotic Mower with Collision and Detection Assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023094544.9U CN213812331U (en) | 2020-12-21 | 2020-12-21 | Detection mechanism and mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213812331U true CN213812331U (en) | 2021-07-27 |
Family
ID=76947036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023094544.9U Active CN213812331U (en) | 2020-03-31 | 2020-12-21 | Detection mechanism and mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213812331U (en) |
-
2020
- 2020-12-21 CN CN202023094544.9U patent/CN213812331U/en active Active
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