CN213008030U

CN213008030U - Warning device of safety belt

Info

Publication number: CN213008030U
Application number: CN202021217859.5U
Authority: CN
Inventors: 徐枝磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-20
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a warning device of safety belt, warning device includes: the magnetic force sensing module comprises a magnet and a magnetic force sensing unit, the magnet is arranged to be capable of being adsorbed at the upper end of one side of the clamping part through magnetic force, the magnetic force sensing unit is arranged to be capable of being connected to one side of the clamping seat in a sticking mode, when the clamping head is clamped with the clamping seat, the clamping part is embedded into the clamping groove, and the magnet is matched with the magnetic force sensing unit; the pressure sensing module is arranged to be suitably connected to a seat surface of the seat and used for detecting a pressure signal on the seat surface; the control module comprises a controller and a voice prompt unit, wherein the controller is respectively electrically connected with the magnetic force induction unit, the pressure induction module and the voice prompt unit. The whole warning device is disassembled without any operation on the seat, and can be conveniently and quickly assembled and disassembled.

Description

Warning device of safety belt

Technical Field

The utility model relates to a safety belt technical field, in particular to warning device of safety belt.

Background

The general standard of present car joins in marriage whole car safety belt, in order to prevent that the user from forgetting to fasten the safety belt, can install safety belt reminding device on the seat, detects the member through the pressure sensor who sets up on the seat, and the mode of lightening on the panel board reminds. And the passenger seat and the back row seat are not equipped with the safety belt reminding device when the common vehicle type leaves the factory, and part of passengers forget to fasten the safety belt and have certain potential safety hazard. The existing safety belt fastening reminding device is a subsystem of an automobile electronic system, and has the disadvantages of complex structure, high manufacturing cost, complex disassembly and assembly and high maintenance cost once a fault occurs. The safety belt alarm device who installs additional needs disassemble the area body or the buckle bolt of former car safety belt at present, and the installation is loaded down with trivial details and disassemble complicacy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, for this reason, the utility model provides a warning device of safety belt, installation and dismantlement that can be convenient.

According to the utility model discloses warning device of safety belt, the safety belt includes the area body, dop and cassette, the cassette is fixed in the below of seat one side, the cassette is provided with the draw-in groove, the area body sets up the opposite side of seat, the dop sets up on the area body, the dop includes connecting portion and joint portion; characterized in that, the warning device includes: the magnetic force sensing module comprises a magnet and a magnetic force sensing unit, the magnet is arranged to be capable of being adsorbed at the upper end of one side of the clamping part through magnetic force, the magnetic force sensing unit is arranged to be capable of being connected to one side of the clamping seat in a sticking mode, when the clamping head is clamped with the clamping seat, the clamping part is embedded into the clamping groove, and the magnet is matched with the magnetic force sensing unit; the pressure sensing module is arranged to be suitably connected to a seat surface of the seat and used for detecting a pressure signal on the seat surface; the control module comprises a controller and a voice prompt unit, wherein the controller is respectively electrically connected with the magnetic force induction unit, the pressure induction module and the voice prompt unit.

According to the utility model discloses warning device of safety belt has following beneficial effect at least: when a person sits on the seat, the pressure sensing module arranged on the seat surface of the seat can transmit signals to the controller, and the controller can control the voice unit when not receiving the signals of the magnetic sensing module, so that the voice unit can give a voice prompt that the safety belt is not fastened; when the clamping head of the safety belt is inserted into the clamping seat, the magnetic force induction unit arranged on the clamping seat can cause the change of a magnetic field due to the approaching of the magnet, the magnetic force induction unit can give a signal to the controller, and the controller obtains a signal that the safety belt is tied, so that the prompting of tying the safety belt or the reminding of tying the safety belt is not sent. The pressure sensing module is arranged on the seat surface of the seat and can be directly placed on the seat surface, the magnetic sensing unit of the magnetic sensing module is arranged on the seat and can be directly pasted on the seat, the magnet arranged at the upper end of the joint part can be directly adsorbed at the upper end of the joint part by means of magnetic force, the control module can be placed around the seat as required, the whole warning device is detached without any operation on the seat, and the installation and the detachment can be convenient.

According to some embodiments of the invention, the pressure sensing module is arranged in a sheet shape. The sheet-shaped pressure sensing module can be better laid on the seat surface of the seat, so that the pressure sensing module has higher sensitivity.

According to some embodiments of the present invention, the pressure sensing module comprises a film type pressure sensor, an upper protective layer, and a lower protective layer, wherein the film type pressure sensor is disposed between the upper protective layer and the lower protective layer. An upper protective layer and a lower protective layer are respectively arranged above and below the pressure sensor, and the pressure sensing module is made into a cushion form, so that the pressure sensor can be conveniently installed and detached.

According to some embodiments of the utility model, the forced induction module is provided with threely, three the forced induction module all with the controller is connected. The three pressure sensing modules are respectively arranged on the seat surfaces of the three seats in the back row and are all connected with the controller, so that the controller can judge whether a person sits at a corresponding position through the obtained pressure sensing signals and give a prompt for fastening a safety belt to the corresponding seat.

According to some embodiments of the utility model, the magnetic force induction module is provided with threely, three the magnetic force induction unit all with the controller is connected. The three magnet sets up respectively the upper end of joint portion one side, it is three the magnetic force induction unit set up respectively at the three seat of back row with on the cassette that magnet matches, all be provided with the magnetic force induction unit on the cassette that the three seat of back row corresponds, the upper end of joint portion one side all is provided with magnet, and three magnetic force induction unit all is connected with the controller, can judge whether to tie the safety belt corresponding the position through transmission magnetic signal, and then sends the warning of tying the safety belt to relevant position.

According to some embodiments of the invention, the magnet is a rubidium magnet. Also called neodymium iron boron magnet (NdFeB magnet), is a tetragonal crystal formed of neodymium, iron, and boron (Nd2Fe 14B). This magnet is the most powerful permanent magnet and is also the most commonly used rare earth magnet. Neodymium-iron-boron magnets are widely used in electronic products such as hard disks, mobile phones, earphones, battery-powered tools, and the like. In order to avoid corrosion damage, the surface of the permanent magnet material needs to be protected during use, for example, gold, nickel, zinc and tin are used for electroplating, epoxy resin is sprayed on the surface, and the like.

According to some embodiments of the present invention, the magnetic force sensing unit is a reed switch or a hall sensor. Among other advantages, reed switches are their small size and light weight, which makes them easy to install and unobtrusive. Because the operation switch is small in size, a complex cam or a crank is not needed, the metal fatigue phenomenon cannot occur, and the almost infinite service life is guaranteed. And can be installed in a limited space, and is very suitable for miniature equipment. Reed switches and suitable magnets are inexpensive and readily available. The reed switch is mainly a non-contact sealed switch. The switch component of the magnetic reed switch is sealed in inert gas and is not in contact with the external environment, so that the oxidation and carbonization of the contact caused by contact sparks in the opening and closing processes of the contact are greatly reduced. And prevents the erosion of foreign matters such as external steam and dust to the contact points. The service life is long. The reed is thin and short, has higher natural frequency, improves the on-off speed of the contact, and has 5-10 times faster switching speed than a common electromagnetic relay. The Hall devices have many advantages, such as firm structure, small volume, light weight, long service life, convenient installation, low power consumption, high frequency (up to 1MHZ), vibration resistance, and resistance to pollution or corrosion caused by dust, oil stain, water vapor, salt mist and the like. The Hall linear device has high precision and good linearity; the Hall switch device has the advantages of no contact, no abrasion, clear output waveform, no jitter, no rebound and high position repetition precision (can reach mum level).

According to some embodiments of the utility model, the magnetic force induction unit passes through glue, two-sided sticky subsides and is in on the cassette. The pasting mode is simple and convenient, no tool is needed, and the installation and the disassembly can be convenient.

According to some embodiments of the present invention, the surface of the magnetic force sensing unit is sequentially provided with an adhesive layer and a release paper layer. When the magnetic induction card is used, the release paper layer is torn off, the adhesive layer is exposed, and then the magnetic induction unit is adhered to the card seat.

According to some embodiments of the present invention, the control module is connected to the power supply through the USB interface, and is connected the power supply is 5V. The warning indicator can convert the vehicle-mounted power supply through the switching source, and the USB interface of the control module is connected to the vehicle-mounted power supply through the switching power supply.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a warning device of a seat belt according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a warning device of a seat belt according to a second embodiment of the present invention;

fig. 3 is a schematic view illustrating a connection between a chuck and a seat of the warning device of the safety belt according to the embodiment of the present invention;

fig. 4 is a schematic diagram of module connection of the warning device of the safety belt according to the embodiment of the present invention.

Reference numerals:

the seat comprises a control module 100, a USB interface 110, a pressure sensing module 200, a magnetic force sensing unit 310, a magnet 320, a safety belt 400, a clamp 410, a connecting portion 411, a clamping portion 412, a clamping seat 420, a belt body 430, a seat 500, and a seat surface 510.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, 3 and 4, according to the warning device of a safety belt of an embodiment of the present invention, a safety belt 400 includes a belt body 430, a clip 410 and a clip seat 420, the clip seat 420 is fixed below one side of a seat 500, the clip seat 420 is provided with a clip groove, the belt body 430 is disposed at the other side of a cushion of the seat 500, the clip 410 is disposed on the belt body 430, and the clip 410 includes a connecting portion 411 and a clip portion 412; the warning device includes: the magnetic induction module comprises a magnet 320 and a magnetic induction unit 310, wherein the magnet 320 can be attracted to the upper end of one side of the clamping part 412 through magnetic force, the magnetic induction unit 310 can be connected to one side of the clamping seat 420 through a sticking mode, when the clamping head 410 is clamped with the clamping seat 420, the clamping part 412 is embedded into the clamping groove, and the magnet 320 is matched with the magnetic induction unit 310; a pressure sensing module 200 configured to be suitably attached to a seating surface 510 of the seat 500 for detecting a pressure signal on the seating surface 510; the control module 100 comprises a controller and a voice prompt unit, wherein the controller is electrically connected with the magnetic force sensing unit 310, the pressure sensing module 200 and the voice prompt unit respectively.

Specifically, the control module 100 may be attached to one side or below the seat by glue or double-sided adhesive as desired.

When a person sits on the seat 500, the pressure sensing module 200 arranged on the seat surface 510 of the seat 500 transmits a signal to the controller, and the controller controls the voice unit when not receiving the signal of the magnetic sensing module, so that the voice unit gives a voice prompt that the seat belt is not fastened; when the clamping portion 412 of the safety belt 400 is inserted into the clamping seat 420, the magnetic force sensing unit 310 installed on the clamping seat 420 changes the magnetic field due to the approaching of the magnet 320, the magnetic force sensing unit 310 sends a signal to the controller, and the controller receives a command for fastening the safety belt 400, and will not give a prompt for fastening the safety belt 400 or give a prompt for fastening the safety belt 400. Pressure sensing module 200 sets up on the seat face 510 of seat, can directly place on seat face 510, the magnetic force induction unit 310 of magnetic force sensing module sets up on cassette 420, can directly paste on cassette 420, the magnet 320 of setting in the joint portion upper end can directly rely on magnetic force to adsorb in joint portion upper end, control module 100 can place around seat 500 as required, whole warning device dismantles and all need not do any operation to seat 500 itself, installation and dismantlement that can be convenient.

In some embodiments of the present invention, the pressure sensing module 200 is provided in a sheet shape. The sheet-shaped pressure sensing module 200 can be better laid on the seating surface 510 of the seat 500, so that the pressure sensing module 200 has higher sensitivity.

In some embodiments of the present invention, the pressure sensing module 200 includes a film-type pressure sensor, an upper protection layer, and a lower protection layer, wherein the film-type pressure sensor is disposed between the upper protection layer and the lower protection layer. An upper protective layer and a lower protective layer are respectively arranged above and below the pressure sensor, and the pressure sensing module 200 is made into a cushion form, so that the pressure sensor can be conveniently installed and detached.

Referring to fig. 2, in some embodiments of the present invention, three pressure sensing modules 200 are provided, the three pressure sensing modules 200 are respectively disposed on the seat surface 510 of the three seats 500 in the back row, and the three pressure sensing modules 200 are all connected to the controller. The three pressure sensing modules 200 are all connected with the controller, so that the controller can judge whether a person sits at a corresponding position through the obtained pressure sensing signals, and give a prompt for fastening the safety belt 400 at the corresponding seat.

In some embodiments of the present invention, the number of the magnetic force sensing modules is three, the three magnets 320 are respectively disposed at the upper end of one side of the joint portion 412, the three magnetic force sensing units 310 are respectively disposed on the clamping seats 420 matched with the magnets 320 in the back row of the three seats 500, and the three magnetic force sensing units 310 are all connected with the controller. The magnetic induction units 310 are arranged on the clamping seats 420 corresponding to the three seats in the rear row, the upper end of one side of the clamping portion 412 is provided with the magnet 320, the three magnetic induction units 310 are connected with the controller, whether the corresponding position is used for fastening the safety belt 400 or not can be judged through transmitting magnetic signals, and then the corresponding position is reminded of fastening the safety belt 400.

In some embodiments of the present invention, magnet 320 is a rubidium magnet. Also called neodymium iron boron magnet (NdFeB magnet), is a tetragonal crystal formed of neodymium, iron, and boron (Nd2Fe 14B). The rubidium magnet is a permanent magnet with the strongest magnetism at present and is also the rare earth magnet which is most commonly used. Neodymium-iron-boron magnets are widely used in electronic products such as hard disks, mobile phones, earphones, battery-powered tools, and the like. In order to avoid corrosion damage, the surface of the permanent magnet material needs to be protected during use, for example, gold, nickel, zinc and tin are used for electroplating, epoxy resin is sprayed on the surface, and the like.

In some embodiments of the present invention, the magnetic sensing unit 310 is a reed switch or a hall sensor. Among other advantages, reed switches are their small size and light weight, which makes them easy to install and unobtrusive. Because the operation switch is small in size, a complex cam or a crank is not needed, the metal fatigue phenomenon cannot occur, and the almost infinite service life is guaranteed. And can be installed in a limited space, and is very suitable for miniature equipment. Reed switches and suitable magnets are inexpensive and readily available. The reed switch is mainly a non-contact sealed switch. The switch component of the magnetic reed switch is sealed in inert gas and is not in contact with the external environment, so that the oxidation and carbonization of the contact caused by contact sparks in the opening and closing processes of the contact are greatly reduced. And prevents the erosion of foreign matters such as external steam and dust to the contact points. The service life is long. The reed is thin and short, has higher natural frequency, improves the on-off speed of the contact, and has 5-10 times faster switching speed than a common electromagnetic relay. The Hall devices have many advantages, such as firm structure, small volume, light weight, long service life, convenient installation, low power consumption, high frequency (up to 1MHZ), vibration resistance, and resistance to pollution or corrosion caused by dust, oil stain, water vapor, salt mist and the like. The Hall linear device has high precision and good linearity; the Hall switch device has the advantages of no contact, no abrasion, clear output waveform, no jitter, no rebound and high position repetition precision (can reach mum level).

In some embodiments of the present invention, the magnetic force sensing unit is adhered to the holder by glue or double-sided adhesive. The pasting mode is simple and convenient, no tool is needed, and the installation and the disassembly can be convenient.

In some embodiments of the present invention, the surface of the magnetic sensing unit is sequentially provided with an adhesive layer and a release paper layer. When the magnetic induction card is used, the release paper layer is torn off, the adhesive layer is exposed, and then the magnetic induction unit is adhered to the card seat.

Referring to fig. 1 and 2, the control module 100 is connected to a power supply through the USB interface 110, and the connected power supply is 5V. The alarm can convert the vehicle-mounted power supply through the switching source, and the USB interface 110 of the control module 100 is connected to the vehicle-mounted power supply through the switching power supply.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

The following describes a warning device of a seat belt according to an embodiment of the present invention in detail with reference to fig. 1 to 4 as a specific embodiment. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides a warning device for a safety belt, where the safety belt 400 includes a belt body 430, a clip 410, and a clip seat 420, the clip seat 420 is fixed below one side of a seat 500, the clip seat 420 is provided with a clip groove, the belt body 430 is disposed on the other side of a cushion of the seat 500, the clip 410 is disposed on the belt body 430, and the clip 410 includes a connecting portion 411 and a clip portion 412; the warning device includes: the magnetic sensing module comprises a magnet 320 and a magnetic sensing unit 310, wherein the magnet 320 can be adsorbed at the upper end of one side of a clamping part 412 through magnetic force, the magnetic sensing unit 310 can be connected to one side of a clamping seat 420 through glue or double-faced adhesive, specifically, an adhesive layer and a release paper layer are sequentially arranged on the surface of the magnetic sensing unit 310, when the magnetic sensing module is used, the release paper layer is torn down to expose the adhesive layer, then the magnetic sensing unit 310 is adhered to the clamping seat, when the clamping seat 410 is clamped with the clamping seat 420, the clamping part 412 is embedded into a clamping groove, the magnet 320 is matched with the magnetic sensing unit 310, specifically, the magnet 320 can use a rubidium magnet, and the magnetic sensing unit 310 is set to be a reed pipe magnetic control switch or a Hall; the pressure sensing module 200 is disposed on the seat surface 510 of the seat 500 and configured to detect a pressure signal on the seat surface 510, specifically, the pressure sensing module 200 is configured in a sheet shape, and the pressure sensing module 200 includes a film pressure sensor, an upper protective layer and a lower protective layer, where the film pressure sensor is disposed between the upper protective layer and the lower protective layer; the control module 100 includes a controller and a voice prompt unit, the controller is connected to the magnetic force sensing unit 310, the pressure sensing module 200, and the voice prompt unit, and further, the voice prompt unit is connected to the speaker. The control module 100 is connected to a power supply through the USB interface 110, and the power supply is 5V. Specifically, the pressure sensing module 200 is disposed on the seat surface 510 of each seat 500 of the three seats in the back row, the magnetic sensing unit 310 is disposed on the clamping seat 420 on one side of each seat 500, the magnet 320 is disposed at the upper end of the clamping portion 412 corresponding to the clamping seat 420, and the three magnetic sensing units 310 and the three pressure sensing modules 200 are connected to the control module 100. On warning device can connect the vehicle power supply through switching power supply, the form of cushion is set to pressure sensing module 200, directly place on seat surface 510 of seat 500, magnet 320 of magnetic induction module can directly adsorb in the upper end of joint portion 412 one side, magnetic induction unit 310 can directly glue on cassette 420, control module 100 can glue in seat 500 one side according to individual demand, whole warning device dismantles and does not all need to do any operation to seat 500 itself, installation and dismantlement that can be convenient.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A warning device of a safety belt comprises a belt body, a clamping head and a clamping seat, wherein the clamping seat is fixed below one side of a seat, the clamping seat is provided with a clamping groove, the belt body is arranged on the other side of the seat, the clamping head is arranged on the belt body, and the clamping head comprises a connecting part and a clamping part; characterized in that, the warning device includes:

the magnetic force sensing module comprises a magnet and a magnetic force sensing unit, the magnet is arranged to be capable of being adsorbed at the upper end of one side of the clamping part through magnetic force, the magnetic force sensing unit is arranged to be capable of being connected to one side of the clamping seat in a sticking mode, when the clamping head is clamped with the clamping seat, the clamping part is embedded into the clamping groove, and the magnet is matched with the magnetic force sensing unit;

the pressure sensing module is arranged to be suitably connected to a seat surface of the seat and used for detecting a pressure signal on the seat surface;

the control module comprises a controller and a voice prompt unit, wherein the controller is respectively electrically connected with the magnetic force induction unit, the pressure induction module and the voice prompt unit.

2. The seatbelt warning device according to claim 1, wherein the pressure sensing module is provided in a sheet shape.

3. The seatbelt warning device according to claim 2, wherein the pressure sensing module comprises a film type pressure sensor, an upper protection layer, and a lower protection layer, the film type pressure sensor being disposed between the upper protection layer and the lower protection layer.

4. The seatbelt warning device according to claim 3, wherein the number of the pressure sensing modules is three, and the three pressure sensing modules are connected to the controller.

5. The seatbelt warning device according to claim 4, wherein there are three magnetic force sensing modules, and all three magnetic force sensing units are connected to the controller.

6. The seatbelt warning device according to claim 1, wherein said magnet is a rubidium magnet.

7. The seatbelt warning device according to claim 1, wherein the magnetic force sensing unit is a reed switch or a hall sensor.

8. The seatbelt warning device according to claim 1, wherein the magnetic force sensing unit is attached to the holder by glue or double-sided adhesive.

9. The seatbelt warning device according to claim 8, wherein the surface of the magnetic force sensing unit is sequentially provided with an adhesive layer and a release paper layer.

10. The seatbelt warning device according to any one of claims 1 to 9, wherein the control module is connected to a power source through a USB interface, and the power source is connected to 5V.