CN117284173A - Child seat with seating sensing device and vehicle - Google Patents

Child seat with seating sensing device and vehicle Download PDF

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Publication number
CN117284173A
CN117284173A CN202311321010.0A CN202311321010A CN117284173A CN 117284173 A CN117284173 A CN 117284173A CN 202311321010 A CN202311321010 A CN 202311321010A CN 117284173 A CN117284173 A CN 117284173A
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CN
China
Prior art keywords
seat
area
region
cushion
temperature adjusting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311321010.0A
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Chinese (zh)
Inventor
方岩
沈牧晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ousong Technology Hainan Co ltd
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Ousong Technology Hainan Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ousong Technology Hainan Co ltd filed Critical Ousong Technology Hainan Co ltd
Priority to CN202311321010.0A priority Critical patent/CN117284173A/en
Publication of CN117284173A publication Critical patent/CN117284173A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002Seats provided with an occupancy detection means mounted therein or thereon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512Passenger detection systems
    • B60R21/01516Passenger detection systems using force or pressure sensing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01556Child-seat detection systems

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to the technical field of child safety seats, solves the technical problem of poor seating sensing accuracy in the prior art, and provides a child seat with a seating sensing device and a vehicle. The child seat includes: seat body, induction system and controlling means of sitting, wherein, the seat body includes cushion and back, and induction system of sitting is including setting up a plurality of induction units of sitting of different positions in the cushion, induction unit of sitting includes from last to lower first polyester film, first conducting strip, cavity supporting material, second conducting strip and the second polyester film of bonding through waterproof glue: the hollow supporting material has preset density which generates corresponding deformation when receiving preset pressure, the control device is connected with the seating sensing device, and the control device controls the child seat to work after receiving signals sent after the seating sensing units of the preset number in the designated area of the seat are triggered. The invention can realize accurate seating detection, and is energy-saving and environment-friendly.

Description

Child seat with seating sensing device and vehicle
Technical Field
The invention relates to the technical field of child safety seats, in particular to a child seat with a seating sensing device and a vehicle.
Background
The automobile child safety seat is specially designed for children of different ages, is installed in an automobile, and can effectively improve riding safety of the children. In the riding process, children can sit on the safety seat to ensure riding safety; in addition, parents often place a child that is left alone in a car in a safety seat during a short period of time after a long stop of the car in order to prevent the child from getting lost. Thus, information about whether a child is seated is particularly important to parents.
In order to solve the technical problem, a cushion mechanism with a function of detecting whether a child is seated is developed in the prior art, whether the child is seated is detected by arranging detection devices such as a pressure sensor, an infrared sensor and the like on a cushion, detection information is timely prompted to parents, and parents are helped to monitor the seating condition of the child on a safety seat.
The prior art chinese patent CN 210502381U discloses a cushion mechanism and a child safety seat, wherein the cushion mechanism comprises a cushion portion, at least two parallel connection's sensors and a microprocessor, wherein two sensors are symmetrically arranged at two sides of the central axis of the cushion portion, the microprocessor is electrically connected with the two sensors, the two sensors are suitable for detecting whether a child sits on the seat and sending detection signals to the microprocessor, if the microprocessor receives detection signals representing that the child does not sit on the seat, the microprocessor sends alarm instructions to an external signal receiving device, but the scheme can not distinguish whether the child or other articles are placed on the seat, and the problem of poor sitting induction accuracy exists.
Disclosure of Invention
In view of the above, the embodiment of the invention provides a child seat with a seating sensing device and a vehicle, which are used for solving the technical problem of poor seating sensing accuracy in the prior art.
In a first aspect, embodiments of the present invention provide a child seat having a seating sensing device, the child seat comprising: the seat comprises a seat body, a seating induction device and a control device, wherein the seat body comprises a seat cushion and a backrest, the seating induction device comprises a plurality of seating induction units arranged at different positions in the seat cushion, the seating induction units comprise a first polyester film, a first conductive sheet, a hollow supporting material, a second conductive sheet and a second polyester film which are bonded from top to bottom through waterproof glue, the hollow supporting material has preset density which generates corresponding deformation when receiving preset pressure, and the first conductive sheet and the second conductive sheet are controlled to contact through the deformation of the hollow supporting material so as to trigger the seating induction units to work;
and the control device controls the child seat to work after receiving signals sent by the preset number of seating sensing units in the designated area of the seat after triggering.
Preferably, the seat cushion comprises: the seat induction device comprises a plurality of seat induction units respectively arranged in the rear region, the middle region and the front region of the seat, wherein the seat rear region corresponds to the buttocks of the child, the middle region corresponds to the root of the thighs of the child and the front region corresponds to the thighs of the child, the hollow support materials of the seat induction units positioned in the rear region of the seat have a first preset density, the hollow support materials of the seat induction units positioned in the middle region of the seat have a second preset density, the hollow support materials of the seat induction units positioned in the front region of the seat have a third preset density, the first preset density is larger than the second preset density, and the second preset density is larger than the third preset density;
the specified area includes: a cushion middle region and a cushion rear region, or the cushion middle region and the cushion front region.
Preferably, the backrest sequentially comprises a headrest, a backrest upper region corresponding to the back of a child and a backrest lower region corresponding to the waist of the child from top to bottom, the seat cushion further comprises an edge region corresponding to the calf of the child, which is arranged outside the front region of the seat cushion, the seating sensing device further comprises a plurality of seating sensing units, which are arranged in the backrest lower region and the edge region, wherein a hollow supporting material of the seating sensing unit in the backrest lower region has a fourth preset density, the seating sensing unit in the edge region has a fifth preset density, and the fourth preset density is smaller than or equal to the second preset density and larger than the third preset density, and the fifth preset density is smaller than the third preset density;
The specified area includes: the seat cushion rear region, the seat cushion middle region, and the backrest lower region, or the seat cushion middle region, the seat cushion front region, and the edge region.
Preferably, the child seat further comprises: the seat temperature adjusting device, controlling means with seat temperature adjusting device connects, controlling means is received the seat appointed region predetermine quantity the signal that sends after the induction unit triggers the back control seat temperature adjusting device begins work in order to adjust the temperature of seat body, wherein, seat temperature adjusting device including set up in a plurality of temperature adjusting unit of seat body, the induction unit of taking a seat is located temperature adjusting unit's below, the induction unit of taking a seat with be provided with heat insulating device between the temperature adjusting unit, heat insulating device includes the buffering insulating layer, the buffering insulating layer with each the first mylar upper surface fixed connection of induction unit of taking a seat, the upper surface of buffering insulating layer is covered with one deck aluminium membrane.
Preferably, the child seat further comprises an upper surface cloth, a lower surface cloth and a cloth cover, wherein the cloth cover is made of a flame retardant material and detachably sleeved on the surface of the child seat, a first temperature sensor corresponding to the position of each temperature adjusting unit is arranged on the cloth cover, and a second temperature sensor is arranged on the surface of each temperature adjusting unit.
Preferably, the hollow supporting material is a silica gel sponge, and the shape of the seating sensing units in the seating sensing device is at least one of a circle, a triangle and a rectangle.
Preferably, the seat temperature adjusting device comprises a plurality of temperature adjusting units respectively arranged in a rear region of the seat cushion, a middle region of the seat cushion, a front region of the seat cushion, an upper region of the backrest and an upper region of the backrest, and after receiving signals sent after triggering of a preset number of seating sensing units in a designated region of the seat, the seat temperature adjusting device acquires triggering conditions of the seating sensing units in the lower region of the backrest;
if the sitting sensing unit of the lower area of the backrest is triggered, the sitting postures of the sitting children are backward inclined sitting postures, and the temperature of all the temperature adjusting units is set to be a preset comfortable temperature;
if the seating sensing unit in the lower area of the backrest is not triggered, the seat temperature adjusting device acquires the triggering condition of the seating sensing unit in the edge area;
if the sitting sensing unit of the edge area is triggered, the sitting posture of the sitting child is a forward leaning sitting posture, the temperature adjusting units of the middle area and the front area of the cushion are set to preset pressing temperatures, the temperature adjusting units of the rear area of the cushion are set to preset comfortable temperatures, and the left side temperature adjusting units and the right side temperature adjusting units of the upper area and the lower area of the backrest are set to preset far away temperatures;
Wherein the preset remote temperature is higher than the preset comfort temperature, which is higher than the preset compression temperature.
Preferably, the rear region of the seat cushion, the middle region of the seat cushion, the front region of the seat cushion and the edge region comprise two seating sensing units which are symmetrically arranged and respectively marked as a left seating sensing unit and a right seating sensing unit;
after receiving signals sent after triggering of a preset number of seating sensing units in a designated area of a seat, the seat temperature adjusting device acquires the triggering condition of the seating sensing units in the lower area of the backrest;
if the seating sensing unit of the lower area of the backrest is triggered, the seat temperature adjusting device acquires the triggering conditions of all right seating sensing units in the lower area of the backrest, the rear area of the cushion and the middle area of the cushion;
if the sitting sensing unit in the lower area of the backrest and the right sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and rightward inclined;
if the seating sensing unit in the lower backrest region, the seating sensing unit in the rear cushion region and the right seating sensing unit in the middle cushion region are not triggered at the same time, the seat temperature adjusting device acquires the triggering conditions of all left seating sensing units in the lower backrest region, the rear cushion region and the middle cushion region;
If the sitting sensing unit in the lower area of the backrest and the left sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and leftward inclined;
if the seating sensing unit in the lower backrest region, the seating sensing unit in the rear cushion region and the left seating sensing unit in the middle cushion region are not triggered at the same time, the seat temperature adjusting device acquires the triggering conditions of all right seating sensing units in the lower backrest region, the rear cushion region and the middle cushion region;
if the sitting sensing unit in the lower area of the backrest and the right sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and rightward inclined;
if the seating sensing unit of the lower area of the backrest is not triggered, the seat temperature adjusting device acquires the triggering condition of the seating sensing unit of the edge area;
if the seating sensing unit of the edge area is triggered, the seat temperature adjusting device acquires triggering conditions of the seating sensing units on the right side of the middle area, the front area and the edge area of the seat cushion;
If the right sitting sensing units of the middle area, the front area and the edge area of the seat cushion are triggered, the sitting posture of the sitting child is right-side forward tilting;
if the right seat entering sensing units of the middle area, the front area and the edge area of the seat cushion are not triggered simultaneously, the seat temperature adjusting device acquires the triggering conditions of the left seat entering sensing units of the middle area, the front area and the edge area of the seat cushion;
if the left sitting induction units of the middle area, the front area and the edge area of the seat cushion are triggered, the sitting posture of the sitting child is left-side forward tilting;
preferably, the seat temperature adjusting device comprises two temperature adjusting units which are symmetrically arranged in a rear area of the seat cushion, a middle area of the seat cushion, a front area of the seat cushion, an upper area of the backrest and a lower area of the backrest, and are respectively marked as a left side temperature adjusting unit and a right side temperature adjusting unit;
when the sitting posture of the sitting child is backward and leftward tilting, the left side temperature adjusting units of the rear region and the middle region of the seat cushion are set to preset compression temperatures, the right side temperature adjusting units are set to preset far-away temperatures, the left side temperature adjusting units of the front region of the seat cushion are set to preset comfortable temperatures, and the right side temperature adjusting units are set to preset far-away temperatures; the left side temperature adjusting units of the upper area of the backrest and the lower area of the backrest are set to preset compression temperatures, and the right side temperature adjusting units are set to preset comfort temperatures;
When the sitting posture of the sitting child is backward and rightward inclined, the right side temperature adjusting units of the rear region and the middle region of the seat cushion are set to preset compression temperatures, the left side temperature adjusting unit is set to preset far-away temperatures, the right side temperature adjusting unit of the front region of the seat cushion is set to preset comfortable temperatures, the left side temperature adjusting unit is set to preset far-away temperatures, the right side temperature adjusting units of the upper region of the backrest and the lower region of the backrest are set to preset compression temperatures, and the left side temperature adjusting unit is set to preset comfortable temperatures;
when the sitting posture of the sitting child is left forward tilting, the left side temperature adjusting units of the middle area and the front area of the seat cushion are set to preset compression temperatures, the right side temperature adjusting units are set to preset comfort temperatures, and the left side temperature adjusting units and the right side temperature adjusting units of the rear area, the upper area and the lower area of the backrest are set to preset far temperatures;
when sitting postures of the sitting children are right-side forward leaning, right-side temperature adjusting units in the middle area and the front area of the seat cushion are set to preset compression temperatures, left-side temperature adjusting units are set to preset comfort temperatures, and left-side temperature adjusting units and right-side temperature adjusting units in the rear area, the upper area and the lower area of the backrest are set to preset far-away temperatures.
In a second aspect, an embodiment of the present invention provides a vehicle comprising a child seat with a seating sensing device according to the first aspect.
In summary, the beneficial effects of the invention are as follows:
according to the child seat with the seating sensing device and the vehicle provided by the embodiment of the invention, the seating sensing units are arranged at different positions of the seat, and the control device can start to work only when the preset number of seating sensing units in the designated area are triggered. The potential for false alarm is reduced, for example, when articles are placed on the seat or the child only lightly touches the seat, the child cannot be mistakenly considered to be already seated, the seating state of the child can be accurately perceived in real time, the seat can be more accurately adapted to the requirements of the child, intelligent regulation and control are realized, and the comfort and safety of the child are improved; only when the preset child sitting condition is met, the control device controls the child seat to start working, so that safety and comfort of the child can be ensured, electric energy can be saved, and green travel is realized; the seating induction unit is adhered by the waterproof glue from top to bottom, so that when the seat is overflowed by small liquid, for example, children turn over the beverage, the seat still can work normally, and the service life of the seat is prolonged; and the hollow supporting material has the preset density which generates corresponding deformation when receiving preset pressure, the deformation of the hollow supporting material controls the first conducting strip and the second conducting strip to contact so as to trigger the seating induction unit to work, when the received pressure is smaller than the preset pressure, the seating induction unit cannot be triggered, other objects are prevented from being triggered by mistake, and each seating induction unit comprises two polyester films, the conducting strip and the hollow supporting material, and the seating induction unit has a simple structure and low cost.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described, and it is within the scope of the present invention to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a child seat with a seating sensing device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a seat cushion of a child seat according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a seating sensing unit disposed on a seat cushion according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a rectangular seating sensor unit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a triangle-shaped seating sensor unit according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a seating sensor unit according to an embodiment of the invention.
Parts and numbers in the figures:
1. a seat body; 11. a cushion; 12. a backrest; 121. a rear region of the seat cushion; 122. a cushion middle region; 123. a cushion front region; 2. a seating sensing unit; 21. a first polyester film; 22. a first conductive sheet; 23. a hollow support material; 24. a second conductive sheet; 25. and a second polyester film.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element. If not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other, which are all within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a child seat with a seating sensing device, the child seat comprising: the seat comprises a seat body 1, a seating induction device and a control device, wherein the seat body comprises a seat cushion 12 and a backrest 11, the seating induction device comprises a plurality of seating induction units 2 arranged at different positions in the seat cushion, the seating induction units 2 comprise a first polyester film 21, a first conductive sheet 22, a hollow supporting material 23, a second conductive sheet 24 and a second polyester film 25 which are bonded from top to bottom through waterproof glue, the hollow supporting material has preset density, conductive sheets respectively marked as a first conductive sheet and a second conductive sheet are arranged on two sides of the first polyester film and the second polyester film, the hollow supporting material has preset density corresponding to deformation generated when the hollow supporting material is subjected to preset pressure, and the first conductive sheet and the second conductive sheet are controlled to contact through the deformation of the hollow supporting material so as to trigger the seating induction units to work;
and the control device controls the child seat to work after receiving signals sent by the preset number of seating sensing units in the designated area of the seat after triggering.
The seat body is a main structure of the child seat and comprises a seat cushion and a backrest, the seat cushion and the backrest are used for sitting down and sitting down of the child, the seat cushion sensing device comprises a plurality of seat cushion sensing units which are arranged at different positions of the seat cushion, the seat cushion sensing units are composed of a first polyester film, a hollow supporting material and a second polyester film which are bonded from top to bottom through waterproof glue, the hollow supporting material is provided with a buffer material with preset density, the hollow supporting material is provided with preset density which corresponds to deformation when the hollow supporting material is subjected to preset pressure, specifically, the hollow supporting material is in a first state when the hollow supporting material is subjected to preset pressure and in a second state when the hollow supporting material is not subjected to pressure, the preset pressure corresponds to the preset density, the seat cushion sensing unit can not only provide comfortable sitting postures, but also ensure that the conductive sheets can be contacted under the preset pressure, so that the seat cushion sensing unit is short-circuited, the seat cushion sensing unit is triggered, and the seat cushion sensing unit returns to the second state from the first state after the hollow supporting material is not subjected to the preset pressure or the preset pressure is smaller than the preset pressure.
The preset density can be adjusted according to the actual height, weight and age of the children so as to adapt to the actual conditions of different children; the preset position may be determined according to a weight distribution of the child after sitting, for example, when the child is sitting, the weight distribution is mainly concentrated on buttocks and legs, the preset position may include buttocks and legs, and when the buttocks and legs are triggered simultaneously, the child is determined to be sitting;
The working principle is as follows:
when a child sits in the seat, the designated area of the sitting sensing device is pressed by the designated number of sitting sensing units by the weight of the child, so that the hollow supporting material between the first polyester sheet and the second polyester sheet is extruded, the conductive sheets on the two sides are contacted, the units are triggered, and then the control device controls the child seat to work; the hollow supporting material has preset density, can have a certain screening effect on pressure due to the fact that the weight of the hollow supporting material is small, and the pressure applied to the silica gel sponge cannot enable the conductive sheet to be in contact, so that the sitting sensing unit cannot be triggered; when an article with a large weight, such as a schoolbag, is placed, due to the fact that the volume of the article is relatively small, the weight is concentrated, only one seating sensing unit can be triggered, and all seating sensing units at preset positions cannot be triggered, so that seating sensing cannot be triggered by the placement of the article by mistake.
The shape of the seating sensing unit can be changed according to the actual shape of the seat surface of the seat, so that the seating sensing unit accords with the shape of the seat surface of the seat;
in a specific embodiment, the shape of the seating sensing units in the seating sensing device is one or more of a circle, a triangle and a rectangle, so that the detection areas of all the seating sensing units cover the seat cushion;
Specifically, because a seat surface of a seat with a little complexity generally has various screw holes, grooves and reinforcing ribs, the seating induction device needs to avoid the positions to accurately induce, as shown in fig. 4-6, the shapes of a plurality of seating induction units in the seating induction device are one or more of a circle, a triangle and a rectangle, so that the seating induction device can be more flexibly adapted to various structures of the seat surface, avoid the screw holes, the grooves, the reinforcing ribs and the like, and ensure the normal work of the seating induction device. By reasonably arranging and selecting the shape of the seating sensing unit, the accuracy and reliability of the seating sensing device can be ensured while the structural stability of the seat is ensured.
For example, a circular seating sensing unit may accommodate curves and grooves on the seating surface of the seat, while triangular and rectangular seating sensing units may better accommodate straight lines and corners. Through the combination of the seating induction units with different shapes, each part of the seat surface of the seat can be effectively covered, the accurate detection of the sitting postures of children is realized, and the seating induction units with different shapes are also beneficial to improving the flexibility and the adaptability of the system, so that the seating induction units can adapt to seats with different types and designs, and the requirements of different users are met.
And through the arrangement of the seating units with different shapes, the sensing areas of all the seating sensing units cover the seat cushion, unlike the detection of a plurality of points in the common film seating sensing in the prior art, the method for sensing by utilizing a plurality of surfaces can obtain the sitting posture information of the child on the seat more comprehensively and accurately, and the surface detection can be better suitable for different sitting postures of the child due to large coverage area, can keep higher sensing accuracy even under the condition that the child moves more severely, can analyze the pressure distribution of the contact surface of the child and the seat more accurately, and is beneficial to judging whether the sitting posture of the child is correct or not and has potential safety risks or not.
The hollow supporting material can be one or more of polyurethane sponge, memory cotton, silica gel sponge and latex;
in a specific embodiment, the hollow supporting material is a silica gel sponge, and the silica gel sponge has good rebound durability, and can still recover after long-term pressure bearing, so that the device cannot be disabled; and the silica gel sponge has good waterproof performance, and can form a closed cavity to be waterproof by bonding the waterproof silica gel sponge and the polyester sheet, so that a sensitive waterproof pressure sensing system is formed.
In one embodiment, as shown in fig. 2, the seat cushion includes: the seat induction device comprises a plurality of seat induction units respectively arranged in the rear region of the seat and the middle region of the seat, wherein the hollow support materials of the seat induction units are provided with a first preset density, the hollow support materials of the seat induction units are provided with a second preset density, the hollow support materials of the seat induction units are provided with a third preset density, the first preset density is larger than the second preset density, and the second preset density is larger than the third preset density;
the specified area includes: a cushion middle region and a cushion rear region, or the cushion middle region and the cushion front region.
In the embodiment, the cushion is divided into a cushion rear area corresponding to the buttocks of the child, a cushion middle area corresponding to the root of the thigh of the child and a cushion front area corresponding to the calf of the thigh of the child in sequence from inside to outside, wherein a plurality of seating sensing units are arranged in the areas, hollow supporting materials of the seating sensing units in different areas have different densities, wherein the density of the hollow supporting material in the cushion rear area is the largest and is recorded as a first preset density; the density of the hollow supporting material in the middle area of the cushion is the second preset density; the density of the hollow supporting material in the front area of the cushion is the minimum, and is the third preset density, the arrangement is based on the pressure distribution characteristic of the sitting posture of the human body, the pressure born by the buttocks is usually the maximum, and the pressure born by the thigh calf is relatively smaller;
The specified area includes: a cushion middle region and a cushion rear region, or the cushion middle region and the cushion front region. When the seating sensing units of the rear region and the middle region of the cushion are triggered simultaneously, or when the seating sensing units of the middle region and the front region of the cushion are triggered simultaneously, the system judges that the child is seated. The two trigger combined modes are in accordance with the sitting posture characteristics of children to a great extent, children and other articles can be effectively distinguished, and when the children sit on the seat, the buttocks and the rear parts of the thighs can exert larger pressure, so that the sitting sensing units of the two areas are triggered. Similarly, the thigh root and thigh calf may trigger the sitting sensing unit simultaneously because of the forward leaning of the sitting posture of the child, if the user places articles such as books or flat plates on the seat, the articles are generally flat, the pressure distribution is relatively uniform, the sitting posture characteristics of the human body are unlikely to be simulated, and thus the set sitting sensing unit combination is not triggered simultaneously; when irregularly shaped articles such as bags or soft toys are placed on the seat, the shape and weight distribution of the articles are greatly different from the sitting posture of the child, so that the preset sitting sensing unit combination is unlikely to be triggered simultaneously; if a weight is placed on the seat, although some seating sensing units of the seat may be triggered, the preset number of seating sensing units in the area cannot be designated because the pressure distribution of the weight does not conform to the sitting posture of the human body, so that the control device cannot be triggered to control the seat to work.
Through such design, can ensure that children's seat just begins work when really detecting children and seat, avoid the extravagant and the security risk of energy that leads to because of misjudgement, improved the intelligence and the practicality of product.
In an embodiment, the backrest sequentially comprises a headrest, a backrest upper region corresponding to the back of the child, and a backrest lower region corresponding to the waist of the child from top to bottom, the seat cushion further comprises an edge region arranged outside the front region of the seat cushion, the seating sensing device further comprises a plurality of seating sensing units arranged in the backrest lower region and the edge region, wherein a hollow supporting material of the seating sensing unit in the backrest lower region has a fourth preset density, the seating sensing unit in the edge region has a fifth preset density, and the fourth preset density is smaller than or equal to the second preset density and larger than the third preset density, and the fifth preset density is smaller than the third preset density;
the specified area includes: the seat cushion rear region, the seat cushion middle region, and the backrest lower region, or the seat cushion middle region, the seat cushion front region, and the edge region.
In the embodiment, different parts of the backrest and the cushion are distinguished, and an additional sitting sensing unit is added, so that the backrest is divided into a headrest corresponding to the head of the child, an upper backrest area corresponding to the back of the child and a lower backrest area corresponding to the waist of the child from top to bottom; the seat cushion comprises a seat cushion front area, a seat cushion middle area and a seat cushion rear area, and also comprises an edge area corresponding to the calf of the child; the newly added seating sensing units are distributed in the lower area and the edge area of the backrest, so that the design is beneficial to more accurately detecting the sitting posture of the child, and further accurately judging whether the child is seated;
the hollow support material of the seating sensing unit of the lower region and the edge region of the backrest has a fourth preset density and a fifth preset density. Because the waist can apply certain pressure to the seat when the child sits down, the hollow supporting material of the sitting sensing unit in the lower area of the backrest is set to be a fourth preset density, and the density is between the densities of the hollow supporting material in the middle area of the seat cushion and the front area of the seat cushion, so that the sitting state of the child can be captured more accurately; considering that the pressure born by the edge area is usually small, the fifth preset density of the seating sensing unit of the edge area is smaller than that of the front area of the cushion, which helps to ensure accurate detection even if the sitting posture of the child changes;
Through the detection of the two newly-added areas, more information can be obtained, the recognition capability of the child seat for the sitting postures of the child is improved, and the distinguishing capability of the seat for the child and other articles is further improved. For example, when a child sits correctly on the seat, the seat can be accurately judged by the pressure difference of each area, and misjudgment caused by incorrect placement of articles is avoided. This embodiment further optimizes the performance of the seat, ensuring the stability and reliability of the seat in different use situations.
In an embodiment, the child seat further comprises: the seat temperature adjusting device, controlling means with seat temperature adjusting device connects, controlling means is received the seat appointed region predetermine quantity the signal that sends after the induction unit triggers the back control seat temperature adjusting device begins work in order to adjust the temperature of seat body, wherein, seat temperature adjusting device including set up in a plurality of temperature adjusting unit of seat body, the induction unit of taking a seat is located temperature adjusting unit's below, the induction unit of taking a seat with be provided with heat insulating device between the temperature adjusting unit, heat insulating device includes the buffering insulating layer, the buffering insulating layer with each the first mylar upper surface fixed connection of induction unit of taking a seat, the upper surface of buffering insulating layer is covered with one deck aluminium membrane.
In this embodiment, each seating sensing unit is disposed below the temperature adjusting unit, and thus a heat insulating means is disposed therebetween in order to ensure that the seating sensing unit is not affected by the heat of the temperature adjusting unit. The heat insulation device consists of a buffering heat insulation layer, and is fixedly connected with the upper surface of the first polyester film of each seating sensing unit, wherein the buffering heat insulation layer comprises the following materials: polyurethane foam, glass wool, rock wool, pearl wool;
the seat temperature adjusting device comprises a plurality of temperature adjusting units arranged on the seat body, the control device is connected with the seat temperature adjusting device, and the control device controls the seat temperature adjusting device to start working to adjust the temperature of the seat body after receiving signals sent after triggering of a preset number of seating sensing units in a designated area of the seat;
the seat temperature adjusting device comprises a plurality of temperature adjusting units arranged on the seat body, the temperature adjusting units comprise heating units and/or refrigerating units, the heating units can be heating plates, in a specific embodiment, the heating plates comprise one or more of resistance heating plates, graphene heating plates and PI heating plates, and the refrigerating units can be semiconductor refrigerating plates or phase change material refrigerating plates;
In a specific embodiment, the buffer heat-insulating layer is made of pearl wool, which is a common heat-insulating material with good heat-insulating performance and can prevent heat generated by the temperature regulating unit from being transferred to the seating sensing unit.
In addition, the upper surface of the buffer heat insulation layer is also covered with a layer of aluminum film. The aluminum film is an efficient heat insulation material, can reflect most heat, and further enhances the heat insulation effect of the heat insulation device. Thus, even if the temperature adjusting unit is in a working state, a large amount of heat is generated, the seating sensing unit is not influenced, and the device can work normally and accurately detect whether a child is seated.
The design ensures the detection accuracy of the seating induction unit, avoids misjudgment caused by the heat influence of the temperature regulating unit, and improves the safety and reliability of the child seat.
In an embodiment, the child seat further comprises an upper surface fabric, a lower surface fabric and a fabric sleeve, wherein the fabric sleeve is made of a flame retardant material and is detachably sleeved on the surface of the child seat, a first temperature sensor corresponding to the position of each temperature adjusting unit is arranged on the fabric sleeve, and a second temperature sensor is arranged on the surface of each temperature adjusting unit.
In this embodiment, the child seat further includes an upper surface fabric, a lower surface fabric, and a fabric cover, where the upper surface fabric and the lower surface fabric cover the upper surface and the lower surface of the seat, and provide a more comfortable sitting experience for the child, and also help to protect the material of the seat, where the upper surface fabric and the lower surface fabric may be one or more of cotton fabric, polyester fiber, nylon, and waterproof fabric; the cloth cover is made of a flame-retardant material, which means that even if the seat is unexpected, if the temperature adjusting unit is overheated to cause a fire source, the cloth cover is not easy to burn, so that the safety of children is protected; moreover, the cloth cover is detachably connected with the child seat, and the detachable connection can be realized through convenient cleaning and replacement, so that the practicability of the seat is improved.
The cloth cover is provided with the first temperature sensor corresponding to the position of each temperature adjusting unit, so that the surface temperature of the temperature adjusting units can be monitored in real time, and overheating is prevented. The surface of each temperature regulating unit is also provided with a second temperature sensor, so that the working temperature of the temperature regulating units can be monitored more directly, and the working of the temperature regulating units is ensured to be within a safe range.
Specifically, the temperature obtained by the first temperature sensor is recorded as a real-time working temperature, and when the real-time working temperature is greater than a preset first temperature threshold value, the corresponding temperature regulating unit is controlled to stop heating; the temperature obtained by the second temperature sensor is recorded as real-time surface temperature, when the real-time surface temperature is smaller than a second temperature threshold value, the corresponding temperature regulating unit is controlled to start heating, and a heat preservation mode is realized in a circulating mode, wherein the first temperature threshold value and the second temperature threshold value can be set by a user according to actual conditions, and the method is not particularly limited; in a specific embodiment, the child seat further includes a display device disposed on the seat body, and the display device is in communication connection with the second temperature sensor, and obtains the real-time surface temperature and displays the real-time surface temperature, so that the child can be ensured to be always in a comfortable and safe environment by displaying the surface temperature of the seat in real time. If the temperature of the seat is too high or too low, the user can immediately take corresponding adjustment measures; also, for children's products, safety is one of the most important design considerations. Through real-time monitoring and temperature display, the safety problem caused by overhigh temperature can be prevented, and the safety of children is ensured.
In an embodiment, the height of the headrest is adjustable and at least two ventilation openings are symmetrically arranged, the seat temperature adjusting device further comprises an air suction and supply unit arranged in the ventilation openings, and the air suction and supply unit is provided with an air supply heating mode, an air suction and refrigeration mode and an air supply and refrigeration mode;
in the embodiment, the height of the headrest can be adjusted to adapt to different ages and heights, so that better support and comfort are provided for the headrest, and along with the growth of children, the seat can be correspondingly adjusted, so that the service life of the product is prolonged; at least two ventilation openings are symmetrically arranged on the headrest, which is helpful for keeping ventilation and comfort inside the seat, and particularly in hot weather, the ventilation and comfort of children can be prevented;
the induced draft air supply unit arranged in the ventilation opening has three modes: an air supply heating mode, an air suction refrigerating mode and an air supply refrigerating mode. Such a design enhances the adaptability of the seat and the possibility of multi-season use. On cold days, an air supply heating mode can be used to provide warmth for children; on hot days, either an induced draft or an air supply cooling mode may be used to reduce the temperature of the seat, providing a more comfortable use experience.
In an embodiment, the seat temperature adjusting device comprises a plurality of temperature adjusting units respectively arranged in a rear region of the seat cushion, a middle region of the seat cushion, a front region of the seat cushion, an upper region of the backrest and an upper region of the backrest, and after receiving signals sent after triggering of a preset number of seating sensing units in a designated region of the seat, the seat temperature adjusting device acquires triggering conditions of the seating sensing units in the lower region of the backrest;
if the sitting sensing unit of the lower area of the backrest is triggered, the sitting postures of the sitting children are backward inclined sitting postures, and the temperature of all the temperature adjusting units is set to be a preset comfortable temperature;
if the seating sensing unit in the lower area of the backrest is not triggered, the seat temperature adjusting device acquires the triggering condition of the seating sensing unit in the edge area;
if the sitting sensing unit of the edge area is triggered, the sitting posture of the sitting child is a forward leaning sitting posture, the temperature adjusting units of the middle area and the front area of the cushion are set to preset pressing temperatures, the temperature adjusting units of the rear area of the cushion are set to preset comfortable temperatures, and the left side temperature adjusting units and the right side temperature adjusting units of the upper area and the lower area of the backrest are set to preset far away temperatures;
Wherein the preset remote temperature is higher than the preset comfort temperature, which is higher than the preset compression temperature.
In this embodiment, the seating sensing system of the child seat can sense and determine the sitting posture of the child by providing seating sensing units in different regions of the seat. According to different trigger combinations, the system can judge the specific sitting posture of the child and adjust the temperature accordingly, so that more proper and comfortable sitting posture experience is provided;
by combined triggering of the sensing units, the system can infer the sitting posture of the child, when the child is in a forward leaning posture on the child seat, weight distribution is mainly concentrated at the rear part of thighs and the front part of thighs, and the angle between the thighs and the thighs is usually reduced when the child leans forward, so that the thighs and the thighs are closer to the surface of the seat; this is because in a forward leaning position the centre of gravity of the person will move forward, the legs will adjust accordingly to maintain balance, typically bending the knees so that the lower legs are closer to the seat, and due to this change the seating sensing unit in the edge area will be triggered indicating that the child has assumed a forward leaning position; so when the seating sensing units of the middle, front and edge regions of the seat cushion are all triggered, it is stated that the thighs and calves of the child are both in close proximity to the seat, which generally means that the child is in a leaning forward position;
When the child is in a reclined position on the child seat, the weight distribution is mainly concentrated at the waist, buttocks and thighs, so when all seating sensing units in the lower back region, the rear cushion region and the middle cushion region are triggered, the waist, buttocks and thighs of the child are indicated to be clung to the seat, which generally means that the child is in a reclined sitting position;
the trigger conditions of the sitting sensing units in different areas are acquired successively, so that the accurate sitting postures of the children are gradually refined and determined. The triggering condition of the lower area of the backrest is firstly obtained to preliminarily judge whether the child leans backward or forward, and the step judgment can effectively avoid the error judgment of the whole sitting posture caused by the false detection of a single area, and the sitting posture of the child on the seat is firstly determined by the position of the back. When the back is against the seat, it is often indicated that the child is reclined. Conversely, if the back does not trigger the sensing unit, it is more likely to be leaning forward. Thus, first inspecting the lower region of the backrest can quickly provide the system with a basic sitting orientation.
Once the preliminary sitting position of the child is determined, the temperature adjusting device can adjust the temperature of each area according to different sitting position requirements, for example, the contact pressure between the thighs of the child and the front part of the seat cushion can be increased in the forward leaning sitting position, so that the preset pressing temperature can provide better comfort, and the areas with less contact with the child can be set to be higher preset far away temperatures so as to maintain the overall warmth;
When a child is in a reclined sitting position, their back, buttocks and thighs all have a large contact area with the seat. This sitting posture means that the child's body is mostly closely fitted to the seat, uniformly distributed, and there is no significant area of pressure or distance, and if the temperature in a certain area is set too high or too low, the child may feel uncomfortable in that area. Since the contact of the various zones in the reclined sitting position is relatively uniform, the best strategy is to set a moderate, comfortable temperature for all zones.
After the sitting postures of the children are identified, the temperature of the seat body can be correspondingly adjusted by the seat temperature adjusting device according to the specific sitting postures of the children, so that the proper temperature environment can be obtained no matter what sitting postures the children take; if the seat detects that the sitting posture of the child is incorrect, for example, the time that the child is in the forward leaning posture exceeds a preset time threshold, a warning can be sent through the display device to remind a driver or guardian to adjust the sitting posture of the child.
In an embodiment, the rear region of the seat cushion, the middle region of the seat cushion, the front region of the seat cushion and the edge region all comprise two seating sensing units which are symmetrically arranged and respectively marked as a left seating sensing unit and a right seating sensing unit;
After receiving signals sent after triggering of a preset number of seating sensing units in a designated area of a seat, the seat temperature adjusting device acquires the triggering condition of the seating sensing units in the lower area of the backrest;
if the seating sensing unit of the lower area of the backrest is triggered, the seat temperature adjusting device acquires the triggering conditions of all right seating sensing units in the lower area of the backrest, the rear area of the cushion and the middle area of the cushion;
if the sitting sensing unit in the lower area of the backrest and the right sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and rightward inclined;
if the seating sensing unit in the lower backrest region, the seating sensing unit in the rear cushion region and the right seating sensing unit in the middle cushion region are not triggered at the same time, the seat temperature adjusting device acquires the triggering conditions of all left seating sensing units in the lower backrest region, the rear cushion region and the middle cushion region;
if the sitting sensing unit in the lower area of the backrest and the left sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and leftward inclined;
If the seating sensing unit in the lower backrest region, the seating sensing unit in the rear cushion region and the left seating sensing unit in the middle cushion region are not triggered at the same time, the seat temperature adjusting device acquires the triggering conditions of all right seating sensing units in the lower backrest region, the rear cushion region and the middle cushion region;
if the sitting sensing unit in the lower area of the backrest and the right sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and rightward inclined;
if the seating sensing unit of the lower area of the backrest is not triggered, the seat temperature adjusting device acquires the triggering condition of the seating sensing unit of the edge area;
if the seating sensing unit of the edge area is triggered, the seat temperature adjusting device acquires triggering conditions of the seating sensing units on the right side of the middle area, the front area and the edge area of the seat cushion;
if the right sitting sensing units of the middle area, the front area and the edge area of the seat cushion are triggered, the sitting posture of the sitting child is right-side forward tilting;
If the right seat entering sensing units of the middle area, the front area and the edge area of the seat cushion are not triggered simultaneously, the seat temperature adjusting device acquires the triggering conditions of the left seat entering sensing units of the middle area, the front area and the edge area of the seat cushion;
if the left sitting induction units of the middle area, the front area and the edge area of the seat cushion are triggered, the sitting posture of the sitting child is left-side forward tilting;
in this embodiment, the cushion rear region, the cushion middle region, the cushion front region, and the edge region each include two seating sensing units symmetrically disposed, one on the left side and one on the right side. This symmetrical arrangement helps to catch if the child has an inclined sitting position; by triggering the seating sensing units in different areas, the system can further divide the forward-leaning posture and the backward-leaning posture of the child, and can more accurately identify the sitting posture of the child, such as backward forward sitting, backward left leaning, backward right leaning, forward sitting, forward left leaning, forward right leaning and the like;
the working principle of the embodiment is that a plurality of main areas on the child seat are provided with symmetrical left and right seating sensing units, and when the seating sensing units on the seat are triggered, the seating condition of the lower area of the backrest is checked first; if the lower part of the backrest is triggered, further checking right seat entering sensing units at the rear part and the middle part of the cushion, if the right seat entering sensing units are triggered, judging the seat to be leaning backward and right, if the right seat entering sensing units are not triggered at the same time, steering to check left seat entering sensing units, and if the left seat entering sensing units are triggered, judging the seat to be leaning backward and left;
If the lower part of the backrest is not triggered, checking seating induction conditions of the edge area, if the edge area is triggered, further checking right seating conditions of the middle part and the front part of the cushion, if the right side is triggered, judging that the cushion is leaning forward to the right sitting posture, if the cushion is not triggered at the same time, checking left seating conditions, and if the left side is triggered, judging that the cushion is leaning forward to the left sitting posture.
In the present embodiment, the lower region of the backrest is first judged because it is the main region where the waist of the child contacts the seat, and its state (whether it is triggered) can be promptly judged whether the child is in a reclined or forward leaning general sitting posture; after determining the general sitting position, the system further distinguishes between left and right tilt; most people, including children, have more frequent or flexible use of one hand, called the "dominant hand" or "dominant hand". Right-handed individuals may tend to use and get closer to their right, while left-handed individuals are the opposite. Thus, dominant hands may affect their sitting tendency, considering that most people are right-handed, they prefer to use right-handed when performing some normal actions (e.g., taking something, supporting the body, etc.), and considering the dominant position of right-handed, first judging right-hand may reduce false positives due to accidental touching of left-hand, thus first judging right-hand may ensure a faster response of the system to the actual behavior of the child, and this gradual, hierarchical detection strategy may accelerate the determination of sitting posture, allowing the system to respond faster and provide proper temperature regulation.
In one embodiment, the seat temperature adjusting device comprises two temperature adjusting units which are symmetrically arranged in a rear area of the seat cushion, a middle area of the seat cushion, a front area of the seat cushion, a lower area of the backrest and an upper area of the backrest respectively, and the two temperature adjusting units are respectively marked as a left temperature adjusting unit and a right temperature adjusting unit;
when the sitting posture of the sitting child is backward and leftward tilting, the left side temperature adjusting units at the rear area of the seat cushion and the rear parts of the thighs are set to preset compression temperatures, the right side temperature adjusting units are set to preset far-away temperatures, the left side temperature adjusting units at the front parts of the thighs are set to preset comfortable temperatures, and the right side temperature adjusting units are set to preset far-away temperatures; the left side temperature adjusting units of the upper area of the backrest and the lower area of the backrest are set to preset compression temperatures, and the right side temperature adjusting units are set to preset comfort temperatures;
when the sitting posture of the sitting child is backward and rightward inclined, the right side temperature adjusting units of the rear region and the middle region of the seat cushion are set to preset compression temperatures, the left side temperature adjusting unit is set to preset far-away temperatures, the right side temperature adjusting unit of the front region of the seat cushion is set to preset comfortable temperatures, the left side temperature adjusting unit is set to preset far-away temperatures, the right side temperature adjusting units of the upper region of the backrest and the lower region of the backrest are set to preset compression temperatures, and the left side temperature adjusting unit is set to preset comfortable temperatures;
When the sitting posture of the sitting child is left forward tilting, the left side temperature adjusting units of the middle area and the front area of the seat cushion are set to preset compression temperatures, the right side temperature adjusting units are set to preset comfort temperatures, and the left side temperature adjusting units and the right side temperature adjusting units of the rear area, the upper area and the lower area of the backrest are set to preset far temperatures;
when the sitting posture of the sitting child is right-side forward tilting, the right-side temperature adjusting units of the middle area and the front area of the seat cushion are set to preset compression temperatures, the left-side temperature adjusting units are set to preset comfort temperatures, and the left-side temperature adjusting units and the right-side temperature adjusting units of the rear area, the upper area and the lower area of the backrest are set to preset far-away temperatures;
wherein the preset remote temperature is higher than the preset comfort temperature, which is higher than the preset compression temperature.
In the present embodiment, two temperature adjustment units symmetrically disposed in the cushion rear region, cushion middle region, cushion front region, seatback lower region, and seatback upper region are respectively denoted as a left side temperature adjustment unit and a right side temperature adjustment unit;
When the child is in a reclined left sitting position, the child leans back and the body leans to the left, so that the left side is subjected to greater pressure, the contact between the other side and the seat is reduced, the side subjected to the greater pressure is set to be at a preset compression temperature, and the other side is increased to be at a preset far temperature, so that warmth and comfort are kept. The temperature of the waist part and the upper area of the backrest can be correspondingly regulated, so that the left temperature regulating units of the middle area of the cushion and the front area of the cushion are set to preset compression temperatures, the right temperature regulating units are set to preset comfort temperatures, and the left temperature regulating units and the right temperature regulating units of the rear area of the cushion, the upper area of the backrest and the lower area of the backrest are set to preset far temperatures;
similarly, when the child is in a sitting posture with the back leaning right, contrary to the temperature setting at the back leaning left, the right side temperature adjusting units of the rear region and the middle region of the cushion are set to preset compression temperatures, the left side temperature adjusting units are set to preset far temperatures, the right side temperature adjusting units of the front region of the cushion are set to preset comfort temperatures, the left side temperature adjusting units are set to preset far temperatures, the right side temperature adjusting units of the upper region of the backrest and the lower region of the backrest are set to preset compression temperatures, and the left side temperature adjusting units are set to preset comfort temperatures;
When the child is in a sitting posture with the child sitting forward, the body of the child is tilted forward, the weight of thigh areas is concentrated, the contact between buttocks, back and waist and the seat is reduced, the temperature adjusting unit of the thigh areas is maintained at a preset compression temperature, discomfort caused by overhigh temperature of the areas with concentrated weight distribution is avoided, and the lower areas of the buttocks, back and backrest are raised to a preset far temperature so as to keep the areas warm;
when the child is in the left side forward leaning or the right side forward leaning, the body of the child leans forward and leans to one side, so that one side thigh is subjected to larger pressure, the contact between the other side thigh, buttocks, back and waist and the seat is reduced, one side of the thigh subjected to larger pressure is set to be a preset compression temperature, the other side thigh is set to be a preset comfort temperature, and all temperature regulating units of the buttocks, the back and the waist are increased to be a preset far temperature;
the preset distance temperature is highest because when a certain body area is in less contact with the seat, the heat dissipation capacity of this area increases because air is a good insulator. To maintain the comfort in this area, the temperature of the seat needs to be set relatively high; the preset comfort temperature is an intermediate temperature in order to provide overall comfort; the preset compression temperature is the lowest, and when a certain area of the body has a larger contact area with the seat or receives a larger pressure, the heat dissipation of the area is reduced, so that the seat temperature of the area needs to be set relatively low in order to prevent overheating and keep comfortable, and the design aims at adapting to different sitting postures and contact pressures of children by intelligently adjusting the temperatures of different areas so as to ensure that comfortable experience can be kept no matter how the sitting postures of the children change.
In an embodiment, the child seat further comprises a safety belt device, the safety belt device comprises a safety belt and a tightening device, the tightening device is electrically connected with the sitting induction device to obtain the sitting posture of the sitting child, and when the sitting posture of the sitting child is positive sitting forward leaning, left side forward leaning and right side forward leaning, the tightening device controls the tightening of the safety belt;
in this embodiment, the child seat is equipped with a seat belt device, which includes a seat belt and a tightening device, wherein the tightening device is electrically connected to the seating sensor device to obtain the sitting posture information of the child in real time, and when the seating sensor device detects that the sitting posture of the child is sitting forward, left forward or right forward, and the duration of this state exceeds a preset time threshold, the tightening device is activated. After the safety belt is activated, the tightening device controls the safety belt to be tightened, so that the safety of children is ensured;
because the tightening device can acquire the sitting posture information of the child in real time, the device can quickly respond to the actions of the child and adjust the actions in time, and when the sitting posture of the child is inclined forwards, the safety risk can be increased. If the duration of the state is too long, the child can be fixed in time by starting the tightening device, so that potential safety hazards caused by unstable sitting postures are reduced; through preset time threshold, avoided the excessive reaction to children's normal action of short time, only after unsafe position of sitting lasts certain time, the system can make the adjustment, both guaranteed the safety like this, avoided unnecessary discomfort again for children's seat can protect children's safety more effectively, also provides better travelling comfort experience simultaneously.
In an embodiment, the seating sensing device further comprises: the fault detection unit is connected with each seating induction unit and is used for detecting each seating induction unit after a vehicle power supply or a child seat is started so as to determine the working state of each seating induction unit, and modifying the designated area according to the working state and giving an alarm;
in one embodiment, the seating sensing device comprises a seating sensing unit arranged in a rear region of the seat cushion, a middle region of the seat cushion, a front region of the seat cushion, an edge region and a lower region of the backrest;
for example, when the seating sensing unit of the rear region of the seat cushion is damaged, the designated region is modified to the front region of the seat cushion, the middle region of the seat cushion, and the lower region of the backrest;
since the rear region of the seat cushion is triggered in most sitting postures, if this region fails, the sensing units at the rear of the thigh and the lower back can be set as critical detection regions. Because these two areas are also in contact with the seat in most sitting postures and can represent whether the child is actually sitting in the seat. When the sensing units in the front area of the cushion, the middle area of the cushion and the lower area of the backrest are triggered simultaneously, the child is judged to be sitting, and the control device controls the sensing units;
When the seating sensing unit of the front region of the seat cushion is damaged, the modified designated region comprises: the induction missing of the region corresponding to the front of the thigh in this case does not greatly affect the overall determination, since the other main contact regions are still working;
the regional seat induction unit in cushion middle part damages, and the appointed area of modification includes: the seating sensing units of the rear cushion region, the front cushion region, the lower back cushion region and the edge region must be activated. At this time, the sensing units of the edge area are also taken into consideration, providing additional security;
when two or more seating sensing units are damaged, the main objective is to ensure that the basic functions of the child seat remain valid and to allow misjudgment to some extent to ensure child safety, for example, when the seating sensing units in the rear region of the seat cushion and the front region of the seat cushion are damaged, the modified designated regions include: any sensing unit is triggered in the middle area of the cushion or in the lower area or in the edge area of the backrest, so that the child is considered to be seated;
these modified preset conditions are all aimed at ensuring that the child seat can still basically work in the event of the damage of part of the sensing units, and by detecting the working state of each seating sensing unit, the system can immediately identify and correct any potential faults or anomalies, ensuring that the child seat always operates in an optimal state; the fault detection unit may issue an alarm when a problem is detected with a certain seating sensing unit. This allows the user to know when maintenance or replacement is required, thereby avoiding long-term use of damaged seats.
Example 2
An embodiment of the present invention provides a vehicle including a vehicle body and the child seat with seating sensing device of embodiment 1 disposed within the vehicle body.
The vehicle provided with the child seat brings multiple benefits, not only improves the safety and comfort of children, but also increases the driver and convenience;
specifically, through the real-time monitoring to children's position of sitting, can in time discover children's unusual action, like suddenly forward, and then in time take the safety measure. The seat can carry out individualized temperature adjustment according to the specific sitting posture of the child, and whether heating or refrigerating can ensure that the child is in a comfortable temperature environment. If the child is in a poor sitting position, the seat may prompt the driver or the child himself or herself to adjust the sitting position in some way, such as an audible or vibratory alert.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (10)

1. A child seat having a seating sensing device, the child seat comprising: the seat comprises a seat body, a seating induction device and a control device, wherein the seat body comprises a seat cushion and a backrest, the seating induction device comprises a plurality of seating induction units arranged at different positions in the seat cushion, the seating induction units comprise a first polyester film, a first conductive sheet, a hollow supporting material, a second conductive sheet and a second polyester film which are bonded from top to bottom through waterproof glue, the hollow supporting material has preset density which generates corresponding deformation when receiving preset pressure, and the first conductive sheet and the second conductive sheet are controlled to contact through the deformation of the hollow supporting material so as to trigger the seating induction units to work;
and the control device controls the child seat to work after receiving signals sent by the preset number of seating sensing units in the designated area of the seat after triggering.
2. The child seat with seating sensing device of claim 1, wherein the seat cushion comprises: the seat induction device comprises a plurality of seat induction units respectively arranged in the rear region, the middle region and the front region of the seat, wherein the seat rear region corresponds to the buttocks of the child, the middle region corresponds to the root of the thighs of the child and the front region corresponds to the thighs of the child, the hollow support materials of the seat induction units positioned in the rear region of the seat have a first preset density, the hollow support materials of the seat induction units positioned in the middle region of the seat have a second preset density, the hollow support materials of the seat induction units positioned in the front region of the seat have a third preset density, the first preset density is larger than the second preset density, and the second preset density is larger than the third preset density;
The specified area includes: the cushion middle region and the cushion rear region, or the cushion middle region and the cushion front region.
3. The child seat with seating sensing device of claim 2, wherein the backrest comprises, in order from top to bottom, a headrest, an upper backrest region corresponding to a child's back, and a lower backrest region corresponding to a child's waist, the seat cushion further comprising an edge region corresponding to a child's calf disposed outside of the front region of the seat cushion, the seating sensing device further comprising a plurality of seating sensing units disposed at the lower backrest region and edge region, wherein a hollow support material of the seating sensing units of the lower backrest region has a fourth preset density, the seating sensing units of the edge region has a fifth preset density, the fourth preset density being less than or equal to the second preset density and greater than the third preset density, the fifth preset density being less than the third preset density;
the specified area includes: the seat cushion rear region, the seat cushion middle region, and the backrest lower region, or the seat cushion middle region, the seat cushion front region, and the edge region.
4. A child seat with seating sensing device according to claim 3, further comprising: the seat temperature adjusting device, controlling means with seat temperature adjusting device connects, controlling means is received the seat appointed region predetermine quantity the signal that sends after the induction unit triggers the back control seat temperature adjusting device begins work in order to adjust the temperature of seat body, wherein, seat temperature adjusting device including set up in a plurality of temperature adjusting unit of seat body, the induction unit of taking a seat is located temperature adjusting unit's below, the induction unit of taking a seat with be provided with heat insulating device between the temperature adjusting unit, heat insulating device includes the buffering insulating layer, the buffering insulating layer with each the first mylar upper surface fixed connection of induction unit of taking a seat, the upper surface of buffering insulating layer is covered with one deck aluminium membrane.
5. The child seat with seating sensing device according to claim 4, further comprising an upper surface cloth, a lower surface cloth, and a cloth cover, wherein the cloth cover is made of a flame retardant material and detachably sleeved on the surface of the child seat, a first temperature sensor corresponding to the position of each temperature adjusting unit is arranged on the cloth cover, and a second temperature sensor is arranged on the surface of each temperature adjusting unit.
6. The child seat with seating sensing device of claim 1, wherein the hollow support material is a silicone sponge, and wherein the seating sensing units of the seating sensing device are at least one of circular, triangular, and rectangular in shape.
7. The child seat with seating sensing device according to claim 4, wherein the seat temperature adjusting device comprises a plurality of temperature adjusting units respectively arranged in a rear cushion area, a middle cushion area, a front cushion area, an upper backrest area and an upper backrest area, and the seat temperature adjusting device acquires the triggering condition of the seating sensing units in the lower backrest area after receiving signals sent after triggering of a preset number of the seating sensing units in a designated seat area;
if the sitting sensing unit of the lower area of the backrest is triggered, the sitting postures of the sitting children are backward inclined sitting postures, and the temperature of all the temperature adjusting units is set to be a preset comfortable temperature;
if the seating sensing unit in the lower area of the backrest is not triggered, the seat temperature adjusting device acquires the triggering condition of the seating sensing unit in the edge area;
If the sitting sensing unit of the edge area is triggered, the sitting posture of the sitting child is a forward leaning sitting posture, the temperature adjusting units of the middle area and the front area of the cushion are set to preset pressing temperatures, the temperature adjusting units of the rear area of the cushion are set to preset comfortable temperatures, and the left side temperature adjusting units and the right side temperature adjusting units of the upper area and the lower area of the backrest are set to preset far away temperatures;
wherein the preset remote temperature is higher than the preset comfort temperature, which is higher than the preset compression temperature.
8. The child seat with seating sensing device of claim 7, wherein the rear cushion region, the middle cushion region, the front cushion region and the edge region each comprise two seating sensing units symmetrically arranged, denoted as a left seating sensing unit and a right seating sensing unit, respectively;
after receiving signals sent after triggering of a preset number of seating sensing units in a designated area of a seat, the seat temperature adjusting device acquires the triggering condition of the seating sensing units in the lower area of the backrest;
If the seating sensing unit of the lower area of the backrest is triggered, the seat temperature adjusting device acquires the triggering conditions of all right seating sensing units in the lower area of the backrest, the rear area of the cushion and the middle area of the cushion;
if the sitting sensing unit in the lower area of the backrest and the right sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and rightward inclined;
if the seating sensing unit in the lower backrest region, the seating sensing unit in the rear cushion region and the right seating sensing unit in the middle cushion region are not triggered at the same time, the seat temperature adjusting device acquires the triggering conditions of all left seating sensing units in the lower backrest region, the rear cushion region and the middle cushion region;
if the sitting sensing unit in the lower area of the backrest and the left sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and leftward inclined;
if the seating sensing unit in the lower backrest region, the seating sensing unit in the rear cushion region and the left seating sensing unit in the middle cushion region are not triggered at the same time, the seat temperature adjusting device acquires the triggering conditions of all right seating sensing units in the lower backrest region, the rear cushion region and the middle cushion region;
If the sitting sensing unit in the lower area of the backrest and the right sitting sensing unit in the rear area of the cushion and the middle area of the cushion are triggered, the sitting posture of the sitting child is backward and rightward inclined;
if the seating sensing unit of the lower area of the backrest is not triggered, the seat temperature adjusting device acquires the triggering condition of the seating sensing unit of the edge area;
if the seating sensing unit of the edge area is triggered, the seat temperature adjusting device acquires triggering conditions of the seating sensing units on the right side of the middle area, the front area and the edge area of the seat cushion;
if the right sitting sensing units of the middle area, the front area and the edge area of the seat cushion are triggered, the sitting posture of the sitting child is right-side forward tilting;
if the right seat entering sensing units of the middle area, the front area and the edge area of the seat cushion are not triggered simultaneously, the seat temperature adjusting device acquires the triggering conditions of the left seat entering sensing units of the middle area, the front area and the edge area of the seat cushion;
if the left sitting sensing units of the middle area, the front area and the edge area of the seat cushion are triggered, the sitting posture of the sitting child is left-side forward tilting.
9. The child seat with seating sensing device of claim 8, wherein the seat temperature adjustment device comprises two temperature adjustment units symmetrically disposed in the rear cushion region, the middle cushion region, the front cushion region, the upper back region, and the lower back region, respectively, designated as a left side temperature adjustment unit and a right side temperature adjustment unit, respectively;
when the sitting posture of the sitting child is backward and leftward tilting, the left side temperature adjusting units of the rear region and the middle region of the seat cushion are set to preset compression temperatures, the right side temperature adjusting units are set to preset far-away temperatures, the left side temperature adjusting units of the front region of the seat cushion are set to preset comfortable temperatures, and the right side temperature adjusting units are set to preset far-away temperatures; the left side temperature adjusting units of the upper area of the backrest and the lower area of the backrest are set to preset compression temperatures, and the right side temperature adjusting units are set to preset comfort temperatures;
when the sitting posture of the sitting child is backward and rightward inclined, the right side temperature adjusting units of the rear region and the middle region of the seat cushion are set to preset compression temperatures, the left side temperature adjusting unit is set to preset far-away temperatures, the right side temperature adjusting unit of the front region of the seat cushion is set to preset comfortable temperatures, the left side temperature adjusting unit is set to preset far-away temperatures, the right side temperature adjusting units of the upper region of the backrest and the lower region of the backrest are set to preset compression temperatures, and the left side temperature adjusting unit is set to preset comfortable temperatures;
When the sitting posture of the sitting child is left forward tilting, the left side temperature adjusting units of the middle area and the front area of the seat cushion are set to preset compression temperatures, the right side temperature adjusting units are set to preset comfort temperatures, and the left side temperature adjusting units and the right side temperature adjusting units of the rear area, the upper area and the lower area of the backrest are set to preset far temperatures;
when sitting postures of the sitting children are right-side forward leaning, right-side temperature adjusting units in the middle area and the front area of the seat cushion are set to preset compression temperatures, left-side temperature adjusting units are set to preset comfort temperatures, and left-side temperature adjusting units and right-side temperature adjusting units in the rear area, the upper area and the lower area of the backrest are set to preset far-away temperatures.
10. A vehicle comprising a child seat with seating sensing device according to any one of claims 1 to 9.
CN202311321010.0A 2023-10-12 2023-10-12 Child seat with seating sensing device and vehicle Pending CN117284173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311321010.0A CN117284173A (en) 2023-10-12 2023-10-12 Child seat with seating sensing device and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311321010.0A CN117284173A (en) 2023-10-12 2023-10-12 Child seat with seating sensing device and vehicle

Publications (1)

Publication Number Publication Date
CN117284173A true CN117284173A (en) 2023-12-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311321010.0A Pending CN117284173A (en) 2023-10-12 2023-10-12 Child seat with seating sensing device and vehicle

Country Status (1)

Country Link
CN (1) CN117284173A (en)

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