CN219096891U - Electric bicycle seat for load detection - Google Patents
Electric bicycle seat for load detection Download PDFInfo
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- CN219096891U CN219096891U CN202223061675.6U CN202223061675U CN219096891U CN 219096891 U CN219096891 U CN 219096891U CN 202223061675 U CN202223061675 U CN 202223061675U CN 219096891 U CN219096891 U CN 219096891U
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- electric bicycle
- load detection
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Abstract
The utility model relates to the technical field of shared traveling equipment, and provides an electric bicycle seat for load detection, wherein a plurality of sensing modules are integrated on a seat cushion from front to back, and pressure distribution in the front and back directions of the whole seat cushion is collected by utilizing a linear distribution rule; simultaneously, set up a plurality of discrete sensing module and controller, the device structure is less, and the atress is comparatively even, and is not fragile, and the structure is safer and more reliable.
Description
Technical Field
The utility model relates to the technical field of shared traveling equipment, in particular to an electric bicycle seat for load detection.
Background
The shared electric bicycle is a new traffic tool, and users can unlock the bicycle through code scanning to circularly share. The using operation flow is specifically as follows: the user scans the two-dimensional code of the vehicle body or inputs the vehicle number through the app, and the user can unlock the riding by clicking the 'use immediately', so that the whole operation flow is basically similar to that of a shared bicycle. The virtual standard parking area established by means of the electronic fence technology is utilized, and the app guides a user to intensively and normally park at the preset designated parking point.
With the development of sharing economy, more and more users select to share the electric bicycle for traveling. At present, the shared electric bicycle only allows a single person to ride, but the illegal operation of riding by multiple persons occurs in the actual use process. Such illegal operations present a significant safety hazard. The multi-person load detection has been developed, but the existing multi-person load detection still has the following problems:
(1) The detection of the load of multiple persons has very high requirements on the accuracy of detection, and the common detection scheme is not accurate enough for judging the pressure of the human bodies of multiple persons on the cushion, and often has the condition of false detection.
(2) Because the sensor is installed in the cushion bottom, need bear the dynamics of pushing down of different degrees, holistic sensor structure can take place different degrees after the use of a period and buckle even break off, and then influence the testing function.
Disclosure of Invention
The utility model provides an electric bicycle seat for load detection, which solves the technical problems that the existing integral multi-person load device cannot effectively identify the multi-person load and the durability of the device is low.
In order to solve the technical problems, the utility model provides an electric bicycle seat for load detection, which comprises a seat cushion bracket and a seat cushion, and is characterized in that: the load detection assembly comprises a controller and a plurality of sensing modules electrically connected with the controller; the plurality of sensing modules are sequentially arranged and installed in the middle of the top surface of the seat cushion bracket from front to back, and the controller is installed on the side surface of the front end of the seat cushion bracket;
and the plurality of sensing modules simultaneously acquire the pressure of the seat in the front-rear direction, the pressure is fed back to the controller, and the controller judges whether the load is a multi-person load according to the linear distribution of the pressure.
According to the basic scheme, a plurality of sensing modules are sequentially distributed from front to back on one seat cushion, the linear distribution rule is utilized to collect the pressure distribution of the whole seat cushion in the front-back direction, and as the contact between a user and the seat is in front-back direction when a plurality of persons carry loads, the seat only has one concentrated stress area when a person takes the seat, and therefore, after the pressure of all the sensing modules is obtained, whether the load of the plurality of persons is can be accurately and efficiently judged; simultaneously, set up a plurality of discrete sensing module and controller, the device structure is less, and the atress is comparatively even, and is not fragile, and the structure is safer and more reliable.
In a further embodiment, the sensing module comprises a housing, a PCB and a cover film, the PCB is embedded in the housing, and the cover film is covered on the top surface; the pressure sensor is installed on the top surface of the PCB, and the wiring terminal connected with the controller is arranged on the back surface of the PCB.
In a further embodiment, the shell is a cylindrical mounting seat with a hollow inside, the top surface of the cylindrical mounting seat is an embedded plate embedded by the PCB, an embedded opening is formed by hollowing in the middle of the embedded plate, the inner side wall of the embedded opening extends towards the central axis to form a limit ring, the outer side of the top surface of the limit ring is downwards sunken to form a glue injection groove with the side wall of the shell, and the PCB is adhered to the embedded opening through glue in the glue injection groove.
This scheme adopts glue to bond on the one hand when installing PCB to carry out the encapsulating after wiring end inserts the pencil and seal, on the other hand covers the tectorial membrane at the sensor surface, realizes waterproof performance through dual protection, and the tectorial membrane still can further strengthen the pressure sense signal simultaneously, improves device sensitivity.
In a further embodiment, the front end of the bottom of the shell is opened upwards to form a wire-releasing groove, the two sides of the bottom of the shell are provided with outwardly extending lugs, the lugs are outwardly extending plate structures, the middle of the lugs are provided with penetrating mounting through holes, and the outer side wall is of a gently transitional curved surface structure.
This scheme sets up simple ear seat structure as the installation fixed knot of sensing module, and simple structure is firm.
In further embodiments, the cover film is a PET film or PI film.
According to the scheme, the pressure sensor is subjected to treatment of wrapping and gluing PET film or PI film, so that on one hand, a pressure sensing signal can be enhanced, and on the other hand, the waterproof performance of the sensing module is enhanced.
In a further embodiment, the side surface of the front end of the seat cushion bracket is provided with an embedded frame embedded with the controller, and two sides of the embedded frame are provided with fixing screw holes screwed with screws; the controller is characterized in that mounting seats extending outwards are arranged on two sides of the controller, and mounting screw holes corresponding to the fixing screw holes are formed in the middle of the mounting seats.
According to the scheme, the embedding frame for installing the controller is arranged on the side face of the front end of the seat cushion support, so that the connection length of the pressure sensor and the controller can be shortened, the sensor can be prevented from being positioned in a stress area, and the sensor is protected.
In a further embodiment, the rear end of the seat cushion support is the bottom of the top surface of the seat, a plurality of mounting columns protruding upwards are arranged on the rear end of the seat cushion support, and the sensing module is fixedly mounted through screws after being embedded into the mounting columns from the back surface of the seat cushion support.
This scheme sets up bellied erection column to the installation adopts the sensing module of back embedding, thereby when realizing pressure detection, still apportions actual bearing on the seatpad support, and then improves sensing module's durability.
Drawings
FIG. 1 is a perspective view of an electric bicycle seat for load detection according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating connection of the load detection assembly of FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is an exploded view of the sensor module of FIG. 1 according to an embodiment of the present utility model;
FIG. 4 is an assembly view of the sensor module of FIG. 1 according to an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of the sensor module of FIG. 1 provided in an embodiment of the present utility model;
wherein: a seat cushion bracket 1, a jogged frame 11 and a mounting post 12; a controller 2, a mounting seat 21 and a mounting screw hole 22; a sensor module 3, a housing 31, a PCB32, and a cover film 33;
the device comprises an embedding port a, a limit ring b, a glue injection groove c, a paying-off groove d, an ear seat e, a pressure sensor f and a wiring terminal g.
Detailed Description
The following examples are given for the purpose of illustration only and are not to be construed as limiting the utility model, including the drawings for reference and description only, and are not to be construed as limiting the scope of the utility model as many variations thereof are possible without departing from the spirit and scope of the utility model.
The embodiment of the utility model provides an electric bicycle seat for load detection, as shown in fig. 1 to 5, in the embodiment, the electric bicycle seat comprises a seat cushion bracket 1 and a seat cushion, and is characterized in that: the middle part of the seat cushion bracket 1 is provided with a load detection assembly, and the load detection assembly comprises a controller 2 and a plurality of sensing modules 3 electrically connected with the controller; the plurality of sensing modules 3 are sequentially arranged in the middle of the top surface of the seat cushion bracket 1 from front to back, and the controller 2 is arranged on the side surface of the front end of the seat cushion bracket 1;
the plurality of sensing modules 3 simultaneously acquire the pressures of the seat in the front-rear direction, feed back the pressures to the controller 2, and judge whether the load is carried by multiple persons or not according to the linear distribution of the pressures by the controller 2.
In this embodiment, the sensing module 3 includes a housing 31, a PCB32 and a cover film 33, the PCB32 is embedded in the housing 31, and the top surface is covered with the cover film 33; the PCB32 has a pressure sensor f mounted on its top surface and a terminal g connected to the controller 2 on its back surface.
In this embodiment, the housing 31 is a hollow cylindrical mounting seat 21, the top surface of the housing is an embedded board embedded by the PCB32, the middle of the embedded board is hollowed to form an embedded opening a, the inner side wall of the embedded opening a extends towards the central axis to form a limit ring b, the outer side of the top surface of the limit ring b is recessed downwards to form a glue injection groove c with the side wall of the housing 31, and the PCB32 is adhered to the embedded opening a through glue in the glue injection groove c.
The assembly process of the sensing module 3 specifically comprises the following steps: the PCB32 is installed downwards from the upper part of the shell 31, glue is injected into the glue injection groove c for glue injection and fixation after assembly, the wire terminal g is inserted into the wire harness, glue is injected into the shell 31 for sealing, and finally the cover film 33 is covered on the surface of the PCB 32.
In this embodiment, when the PCB32 is mounted, on one hand, glue is used to bond the sensor and seal the sensor after the wiring harness is inserted into the terminal g, and on the other hand, the cover film 33 covers the sensor surface, so that the waterproof performance is realized through double protection, and meanwhile, the cover film 33 can further enhance the pressure sensing signal and improve the sensitivity of the device.
In this embodiment, the front end of the bottom of the housing 31 is opened upwards to form a wire-releasing slot d, two sides of the housing are provided with outwardly extending lugs e, each lug e is an outwardly extending plate structure, the middle of the housing is provided with a through mounting hole, and the outer side wall is a gently transitional curved surface structure.
The simple ear seat e structure is arranged as the installation fixing structure of the sensing module 3, and the structure is simple and stable.
In the present embodiment, the cover film 33 is a PET film or PI film.
In the embodiment, the pressure sensor f is subjected to treatment of wrapping and pasting a PET film or a PI film, so that on one hand, a pressure sensing signal can be enhanced, and on the other hand, the waterproof performance of the sensing module 3 is enhanced.
In the embodiment, the side surface of the front end of the seat cushion bracket 1 is provided with an embedded frame 11 embedded with the controller 2, and two sides of the embedded frame 11 are provided with fixing screw holes which are screwed with screws; the controller 2 both sides are equipped with the mount pad 21 that outwards extends, and the mount pad 21 middle part is equipped with the installation screw 22 that corresponds with fixed screw.
In this embodiment, the embedding frame 11 for installing the controller 2 is provided on the front end side of the seat support 1, so that the connection length between the pressure sensor f and the controller 2 can be shortened, the sensor can be prevented from being in a stress area, and the sensor can be protected.
In this embodiment, the rear end of the seat cushion support 1 is the bottom of the seat top surface, a plurality of mounting posts 12 protruding upwards are provided, the sensing module 3 is embedded into the mounting posts 12 from the back of the seat cushion support 1 and then fixedly mounted through screws, at this time, the sensing module 3 passes through the seat cushion support 1 and then is higher than the surface, and the pressure sensor f contacts with the seat cushion to sense the pressure signal value and convey the controller 2.
The embodiment is provided with the mounting column 12 protruding upwards so as to mount the sensing module 3 embedded in the back, thereby realizing pressure detection and simultaneously spreading the actual bearing on the seat cushion bracket 1, and further improving the durability of the sensing module 3.
In the present embodiment, 5 pressure sensors f are provided as an example, and description will be made:
and taking the pressure value as an ordinate, acquiring data of 5 pressure sensors f, and sequentially making a bar graph from front to back or from back to front.
1. The sensor array has no peak-to-peak value when no person is sitting.
2. When a person takes the vehicle, only one concentrated stress area exists, so that the stress area is taken as the center, the pressure value of the pressure sensor f is gradually reduced, and a single peak-to-peak value appears in the sensor array.
3. When a plurality of people take the vehicle, a plurality of stress areas exist, so that a plurality of peak-to-peak values appear in the sensor array, and the single or double load can be accurately detected according to the distribution of the pressure values.
It should be noted that the above judgment logic belongs to a sensor array which can be deduced according to the sensor distribution, and a plurality of sensor arrays which are linear, distributed front and back and separated are protected in the application.
According to the embodiment of the utility model, the plurality of sensing modules 3 are sequentially distributed from front to back on one seat cushion, and the pressure distribution in the front and back directions of the whole seat cushion is collected by utilizing the linear distribution rule, and as the contact between a user and the seat is in front and back when a plurality of persons carry, and the seat only has a concentrated stress area when a person takes the seat, the accurate and efficient judgment on whether the load is the plurality of persons can be carried out after the pressure of all the sensing modules 3 is obtained; meanwhile, the plurality of discrete sensing modules 3 and the controller 2 are arranged, the device is small in structure, even in stress, not easy to damage and safe and reliable in structure.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (7)
1. An electric bicycle seat for load detects, includes seatpad support and seatpad, its characterized in that: the load detection assembly comprises a controller and a plurality of sensing modules electrically connected with the controller; the plurality of sensing modules are sequentially arranged and installed in the middle of the top surface of the seat cushion bracket from front to back, and the controller is installed on the side surface of the front end of the seat cushion bracket;
and the plurality of sensing modules simultaneously acquire the pressure of the seat in the front-rear direction, the pressure is fed back to the controller, and the controller judges whether the load is a multi-person load according to the linear distribution of the pressure.
2. An electric bicycle seat for load detection as defined in claim 1, wherein: the sensing module comprises a shell, a PCB and a cover film, wherein the PCB is embedded into the shell, and the cover film is covered on the top surface of the PCB; the pressure sensor is installed on the top surface of the PCB, and the wiring terminal connected with the controller is arranged on the back surface of the PCB.
3. An electric bicycle seat for load detection as defined in claim 2, wherein: the casing is inside hollow section of thick bamboo dress mount pad, and its top surface is the embedded board of PCB gomphosis, the embedded board middle part is dug the blank and is formed the embedding mouth, the embedding mouth inside wall extends to the axis and forms the spacing collar, spacing collar top surface outside undercut with the casing lateral wall forms the injecting glue groove, PCB passes through glue in the injecting glue groove bonds the embedding mouth.
4. An electric bicycle seat for load detection as defined in claim 3, wherein: the front end of the bottom of the shell body is upwards opened to form a wire-releasing groove, ear seats extending outwards are arranged on two sides of the shell body, the ear seats are of outwards extending plate surface structures, a penetrating installation through hole is formed in the middle of the ear seats, and the outer side wall is of a gently transitional curved surface structure.
5. An electric bicycle seat for load detection as defined in claim 2, wherein: the cover film is a PET film or a PI film.
6. An electric bicycle seat for load detection as defined in claim 1, wherein: the side surface of the front end of the seat cushion bracket is provided with an embedding frame which is embedded with the controller, and two sides of the embedding frame are provided with fixing screw holes which are screwed with screws; the controller is characterized in that mounting seats extending outwards are arranged on two sides of the controller, and mounting screw holes corresponding to the fixing screw holes are formed in the middle of the mounting seats.
7. An electric bicycle seat for load detection as defined in claim 3, wherein: the middle and rear ends of the seat cushion support are the bottom of the top surface of the seat, a plurality of mounting columns protruding upwards are arranged on the middle and rear ends of the seat cushion support, and the sensing module is fixedly mounted through screws after being embedded into the mounting columns from the back of the seat cushion support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223061675.6U CN219096891U (en) | 2022-11-17 | 2022-11-17 | Electric bicycle seat for load detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223061675.6U CN219096891U (en) | 2022-11-17 | 2022-11-17 | Electric bicycle seat for load detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219096891U true CN219096891U (en) | 2023-05-30 |
Family
ID=86430051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223061675.6U Active CN219096891U (en) | 2022-11-17 | 2022-11-17 | Electric bicycle seat for load detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219096891U (en) |
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2022
- 2022-11-17 CN CN202223061675.6U patent/CN219096891U/en active Active
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