CN100575152C - A kind of seat safety device treating method and system - Google Patents
A kind of seat safety device treating method and system Download PDFInfo
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- CN100575152C CN100575152C CN200510022289A CN200510022289A CN100575152C CN 100575152 C CN100575152 C CN 100575152C CN 200510022289 A CN200510022289 A CN 200510022289A CN 200510022289 A CN200510022289 A CN 200510022289A CN 100575152 C CN100575152 C CN 100575152C
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Abstract
A kind of seat safety device treating method and system that relates to automobile, judge the seizure condition of seat by sensor signal, the seat safety apparatus is made relative set, it adopts following steps: A. to obtain the pressure signal of sensor, B. according to the force value that pressure signal reflected and the pressure threshold value of setting, carry out corresponding operating: B1. if force value more than or equal to pressure threshold value, seat is confirmed as seizure condition, start the seat safety apparatus, B2. if force value less than pressure threshold value, seat is confirmed as the unoccupied state, close the seat safety apparatus, wherein, among the described step B1, also write down the seizure condition of described seat and time at that time, the present invention is low for the application cost of seat safety apparatus.
Description
Technical Field
The invention relates to automobiles, in particular to a seat safety device processing method and system.
Background
With the rapid development of the automobile industry and the development and construction of highways, the driving speed of automobiles is faster and faster, and traffic accidents are more frequent, so that the safety of automobiles becomes more important.
Various seat safety devices, such as Supplementary Restraint Systems (SRS), airbags for short, are produced by the way of providing a high-tech product in passive safety technology for automobiles, and seat belt early-warning devices. The seat safety device plays an important role in reducing the loss of automobile collision accidents.
However, the seat safety device is a disposable product, and after explosion, the front seat airbag, the side seat airbag and the seat belt precaution device must be replaced, which is expensive and not a little for a user, and the prior art may cause an accidental explosion during use, thereby increasing the use cost of the seat safety device.
Disclosure of Invention
The invention aims to provide a seat safety equipment processing method and system with low application cost, and aims to solve the problem that the application cost is increased due to mistaken explosion in the prior art.
The seat safety equipment processing method adopted by the invention judges the occupation state of the seat through the signal of the sensor and correspondingly sets the seat safety equipment,
and the following steps are adopted:
A. acquiring a pressure signal of a sensor;
B. according to the pressure value reflected by the pressure signal and a set pressure threshold value, the following operations are carried out:
b1, if the pressure value is larger than or equal to the pressure threshold value, the seat is determined to be in an occupied state, and seat safety equipment is started;
b2, if the pressure value is smaller than the pressure threshold value, the seat is determined to be in a non-occupied state, and seat safety equipment is closed;
in step B1, the occupied status and the time of the seat are recorded.
In the step A, the sensor detects the signal at set time intervals.
The time interval is 1.5 seconds to 5 seconds.
In the step B, the pressure threshold value is 10kg-20 kg.
The step B1 includes the following steps:
if the pressure value is larger than or equal to the pressure threshold value, whether an occupied state record of the seat exists is searched, and the following operations are carried out:
b11, if the occupied state record of the seat exists, refreshing the current time in the record by the current time, and keeping the operation of the seat safety equipment;
b12, if there is no record of the occupied state of the seat, recording the occupied state of the seat and the time at that time, and starting the seat safety equipment.
The step B2 includes the following steps:
if the pressure value is smaller than the pressure threshold value, whether an occupied state record of the seat exists is searched, and the following operations are carried out:
b21, if there is a record of the occupied state of the seat, calculating the difference between the current time and the current time reflected in the record, and according to the difference and a set time difference threshold, performing the following operations:
b211, if the difference value is larger than or equal to the time difference threshold value, deleting the occupied state record of the seat, determining the seat to be in a non-occupied state, and closing the seat safety equipment;
b212, if the difference value is smaller than the time difference threshold value, keeping the occupied state record of the seat, and keeping the operation of the seat safety equipment;
b22, if there is no record of the occupied state of the seat, the seat is determined to be in the non-occupied state, and the seat safety equipment is kept closed.
The processing method in the invention also determines the occupancy state of the seat through the transmission of the wireless signal and the response of the wireless signal.
And B, sending a child seat identification signal at the same time of the step A.
The step B comprises the following steps:
ba. If a response signal sent by the child seat is received, the seat is determined to be in an occupied state, and a seat side safety air bag and a seat belt early warning device in the seat safety equipment are started or related operation is kept;
bb. If the response signal sent by the child seat is not received, the following operations are carried out according to the pressure value reflected by the pressure signal and a set pressure threshold value:
bb1, if the pressure value is larger than or equal to the pressure threshold value, the seat is determined to be in an occupied state, and a front seat airbag, a side seat airbag and a seat belt early warning device in the seat safety equipment are started;
bb2, if the pressure value is smaller than the pressure threshold value, the seat is determined to be in a non-occupied state, and the seat safety equipment is closed.
The step A comprises the following steps:
the driving state of the automobile is detected, and the following processing is carried out according to the driving state:
a1, if the automobile is in a static state, acquiring a pressure signal of the sensor;
and A2, if the automobile is not in a static state, returning.
The seat refers to a front seat in an automobile.
The seat safety equipment processing system comprises seat safety equipment, a sensor and an occupancy identification control module,
the sensor collects a pressure signal of the seat and sends the pressure signal to the occupancy identification control module; and the occupation identification control module calculates a corresponding pressure value according to the received pressure signal and sends a corresponding control signal to the seat safety equipment according to a comparison result of the pressure value and the pressure threshold value.
Wherein,
the system comprises a memory, wherein the memory stores records of the seats, and the records comprise occupied state information and current time; the memory receives calling and reading and writing operations of the occupation identification control module; and the occupancy identification control module also calculates the relevant time value in the record and correspondingly controls the seat safety equipment.
The system comprises a child seat, a radar transceiver is arranged in the child seat, a wireless signal transceiving processing module corresponding to the radar transceiver is further arranged in the system, the seat safety equipment comprises a seat front safety air bag, a seat side safety air bag and a seat safety belt early warning device, wherein,
the occupancy identification control module issues a child seat detection command to the wireless signal receiving and transmitting processing module;
the wireless signal receiving and transmitting processing module reflects the seat state information occupied by the child seat through information interaction with the radar transceiver according to the detection command;
the wireless signal receiving and sending processing module sends the received response signal to the occupation identification control module, and the occupation identification control module respectively and correspondingly controls a front seat safety air bag, a side seat safety air bag and a seat belt early warning device in the seat safety equipment according to the received response state.
The system also comprises a vehicle speed measuring device, the vehicle speed measuring device sends vehicle speed information to the occupancy identification control module, and the occupancy identification control module performs corresponding operation according to the vehicle speed information
The invention has the beneficial effects that: according to the invention, the occupation state of the seat is judged through the sensor signal, and the seat safety equipment is correspondingly set, so that the seat safety equipment can be correspondingly started or closed according to the occupation state of the seat, the probability of mistaken explosion is reduced, and compared with the prior art, the use cost of the seat safety equipment is reduced; in the invention, through setting the time difference threshold value and comparing the relevant time difference value with the time difference threshold value, the problem that the seat safety equipment is closed immediately when a passenger leaves the seat in a very short time can be effectively solved, the whole system can work more stably, the seat safety equipment is prevented from being started and closed repeatedly in a very short time, the seat safety equipment is prevented from being excessively impacted by unnecessary electricity of power-on and power-off, the service life of the seat safety equipment is favorably maintained, and the practicability and the reliability of the invention are further improved.
The invention also judges whether the seat has the occupying state of the child seat through the sending of wireless signals and the response thereof, when the child seat occupies, the front seat safety air bag, the side seat safety air bag and the seat belt early warning device in the seat safety equipment are further correspondingly started or closed, namely the front seat safety air bag is closed, and the side seat safety air bag and the seat belt early warning device are started, so that the invention can more effectively protect the child according to the actual using state of the seat, in the prior art, statistics is carried out in the past decade, 87 death accidents caused by the seat safety equipment are started, wherein 49 accidents are started by children arranged at one side of a front passenger seat, and most of the accidents do not hurt the child when the vehicle is collided, but the child is collided due to the detonation of the front seat safety air bag, or a large amount of gas filled in the air bag after the detonation of the safety air bag is not released in time, causing the children to be suffocated, and thus it can be seen that the present invention maximally protects the safety of passengers (children) according to the actual situation, minimizes the possible negative effects of the seat safety apparatus, and further improves the reliability and safety of the use of the present invention.
Drawings
FIG. 1 is a schematic circuit diagram according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the interior of the chair according to the present invention;
FIG. 3 is a schematic control flow chart of embodiment 1 of the present invention;
FIG. 4 is a schematic circuit diagram according to embodiment 2 of the present invention;
FIG. 5 is a schematic control flow chart according to embodiment 2 of the present invention;
FIG. 6 is a schematic circuit diagram according to embodiment 3 of the present invention;
FIG. 7 is a schematic control flow chart according to embodiment 3 of the present invention;
fig. 8 is a schematic circuit diagram according to embodiment 4 of the present invention.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
example 1:
according to fig. 1, 2 and 3, the invention comprises a seat safety device 1, a sensor 2 and an occupancy recognition control module 3.
As shown in fig. 2, the plurality of sensors 2 are disposed inside the seat cushion portion 10, and are uniformly distributed in the seat cushion of the passenger, and the detection is performed at a set time interval, where the time interval may be 1.5 seconds to 5 seconds, in this embodiment, the detection is performed at every 2.5 seconds, when a person sits on the seat, the surface pressure of the seat will increase, the metal diaphragm of the sensor 2 deforms due to pressure, so that the resistance value of the metal diaphragm inside the sensor 2 changes correspondingly, and the sensor 2 collects a pressure signal and sends the pressure signal to the occupancy recognition control module 3.
As shown in fig. 1, the occupancy recognition control module 3 calculates a corresponding pressure value according to the received pressure signal, and compares the calculated pressure value with a pressure threshold, in this embodiment, the pressure threshold is determined according to the weight of a regular person, for example, the pressure threshold is 10kg-20kg, specifically 12kg in this embodiment, in consideration of a pressure lower limit, and a child occupies the seat as a situation that accords with a normal rule, and the occupancy recognition control module 3 sends a corresponding control signal to the seat safety device 1 according to the comparison result.
As shown in fig. 3, the specific control flow of this embodiment is as follows:
1) the sensor 2 collects pressure signals.
2) The sensor 2 transmits a pressure signal to the occupancy recognition control module 3.
3) The occupation identification control module 3 calculates a corresponding pressure value according to the received pressure signal.
4) The occupation identification control module 3 compares the calculated pressure value with a pressure threshold value, and performs the following operations according to the comparison result:
41) if the pressure value is greater than or equal to the pressure threshold value, the seat is determined to be in the occupied state, the seat safety device 1 is activated, or when the seat safety device 1 has been operated, the operation thereof is maintained.
42) If the pressure value is less than the pressure threshold value, the seat is determined to be in the non-occupied state, the seat safety device is closed, or the seat safety device 1 is kept closed when not operating.
Example 2:
according to fig. 4 and 5, the present embodiment is different from embodiment 1 in that: in this embodiment, as shown in fig. 4, the system further includes a storage 4, where the storage 4 stores records of seats, the records include occupied status information and time at that time, and the storage 4 accepts the calling, reading and writing operations performed by the occupancy identification control module 3, in this embodiment, such a storage 4 may be a temporary storage space, for example, because the space required by the storage 4 is small, a temporary space may be defined in the system memory for storing the records of seats, and at the same time, the operating speed of the system may be ensured; the occupancy recognition control module 3 also calculates the relevant time values in the records and correspondingly controls the seat safety equipment.
As shown in fig. 5, the specific control flow of this embodiment is as follows:
1. the sensor 2 collects pressure signals.
2. The sensor 2 transmits a pressure signal to the occupancy recognition control module 3.
3. The occupation identification control module 3 calculates a corresponding pressure value according to the received pressure signal.
4. The occupation identification control module 3 compares the calculated pressure value with a pressure threshold value, and performs the following operations according to the comparison result:
41. if the pressure value is greater than or equal to the pressure threshold value, the occupancy recognition control module 3 calls the data stored in the memory 4, searches whether an occupied state record of the seat exists or not, and performs the following operations:
411. if there is a record of the occupied state of the seat, the occupancy recognition control module 3 refreshes the current time of the record in the memory 4 with the current time, and the occupancy recognition control module 3 maintains the operation of the seat safety device 1.
412. If there is no record of the occupied state of the seat, the occupancy recognition control module 3 records the occupied state of the seat and the current time, which is the current time, in the memory 4, and for the retrieval and inquiry of the record by the subsequent control, the current time is taken as the current time, and the occupancy recognition control module 3 activates the seat safety device 1.
42. If the pressure value is smaller than the pressure threshold value, the occupancy identification control module 3 calls the data stored in the memory 4, searches whether an occupied state record of the seat exists or not, and performs the following operations:
421. if there is a record of the occupied state of the seat, the occupancy recognition control module 3 calculates a difference between the current time and the current time in the record, compares the difference with a time difference threshold, which may be set to 2 minutes, and performs the following operations according to the comparison result:
4211. if the difference is greater than or equal to the time difference threshold, the occupancy recognition control module 3 deletes the record of the occupied status of the seat in the memory 4, the seat is determined to be in the non-occupied status, and the seat safety device 1 is turned off.
4212. If the difference value is smaller than the time difference threshold value, the record of the occupied state of the seat is kept, and the operation of the seat safety device 1 is kept.
422. If there is no record of the occupied state of the seat, the closure of the seat safety device 1 is maintained.
In the present embodiment, by setting the time difference threshold and comparing the time difference value with the time difference threshold, it can be seen from the above step 4212 that this setting can effectively solve the problem that the seat safety device 1 is immediately turned off when the passenger leaves the seat in a very short time, so that the whole system can operate more stably, the seat safety device 1 is prevented from being repeatedly turned on and off within a very short time, the seat safety device 1 is prevented from being excessively subjected to unnecessary electrical shock of power-on and power-off, and the service life of the seat safety device 1 is favorably maintained.
Example 3:
according to fig. 6 and 7, the present embodiment is different from embodiment 2 in that: in this embodiment, as shown in fig. 6, the system further includes a child seat 5, a radar transceiver 50 is disposed in the child seat 5, a wireless signal transceiving processing module 6 corresponding to the radar transceiver 50 is further disposed in the system, and the occupancy identification control module 3 issues a child seat detection command to the wireless signal transceiving processing module 6; the wireless signal receiving and transmitting processing module 6 reflects the seat state information occupied by the child seat 5 through information interaction with the radar transceiver 50 according to the detection command; the seat safety apparatus 1 includes a front seat airbag 11, a seat side airbag 12, and a seat belt early warning device 13.
As shown in fig. 6, the wireless signal transceiving processing module 6 sends the received response signal of the child seat 5 to the occupancy identification control module 3, and the occupancy identification control module 3 respectively and correspondingly controls the front seat airbag 11, the side seat airbag 12 and the seatbelt early warning device 13 in the seat safety device 1 according to the received response state.
As shown in fig. 7, the specific control flow of this embodiment is as follows:
I. the sensor 2 collects a pressure signal, and the sensor 2 transmits the pressure signal to the occupancy identification control module 3; meanwhile, the occupancy recognition control module 3 issues a child seat detection command to the wireless signal transceiving processing module 6, and the wireless signal transceiving processing module 6 sends a child seat recognition signal to the radar transceiver 50 in the child seat 5 according to the detection command.
II. The occupancy recognition control module 3 performs the following operations according to the response status:
II1, if a child seat response signal from the radar transceiver 50 is received, the seat side airbag 12 and the seat belt early warning device 12 in the seat safety apparatus 1 are activated or (in the case where the seat side airbag 12 and the seat belt early warning device have been activated) remain in operation, the seat front airbag 11 is closed or (in the case where the seat front airbag 11 has been closed) remains closed, and at the same time, the occupied state record of the seat is written or refreshed (updated with the present time for the present time therein) in the memory 4.
II2, if the child seat response signal from the radar transceiver 50 is not received, the following step III is continued.
And III, the occupation identification control module 3 calculates a corresponding pressure value according to the received pressure signal.
IV, the occupation identification control module 3 compares the calculated pressure value with a pressure threshold value, and performs the following operations according to the comparison result:
IV1, if the pressure value is greater than or equal to the pressure threshold, the occupancy recognition control module 3 calls the data stored in the memory 4, and searches whether there is an occupied state record of the seat, and performs the following operations:
and IV11. if the record of the occupied state of the seat exists, the occupied identification control module 3 refreshes the recorded time at the current time in the memory 4, the occupied identification control module 3 keeps the operation of the seat safety device 1, the working state of the front seat airbag 11 is detected, and if the front seat airbag 11 is not started, the corresponding start is carried out.
IV12. if there is no record of the occupied state of the seat, the occupancy recognition control module 3 records the occupied state of the seat and the time at that time, which is the current time, in the memory 4, and for the retrieval and inquiry of this record by the following control, the occupancy recognition control module 3 activates the front seat airbag 11, the seat side airbag 12 and the seat belt early warning 13 in the seat safety apparatus 1.
IV2, if the pressure value is smaller than the pressure threshold, the occupancy recognition control module 3 calls the data stored in the memory 4, searches whether there is an occupied state record of the seat, and performs the following operations:
IV21. if there is a record of the occupied state of the seat, the occupancy recognition control module 3 calculates the difference between the current time and the current time in the record, compares the difference with a time difference threshold, which may be set to 2 minutes, and performs the following operations according to the comparison result:
iv211. if the difference is greater than or equal to the time difference threshold, the occupancy recognition control module 3 deletes the occupied state record of the seat in the memory 4, the seat is determined to be the non-occupied state, and turns off the front seat airbag 11, the side seat airbag 12, and the seatbelt early warning device 13 in the seat safety apparatus 1.
Iv212. if the difference is less than the time difference threshold, the occupied state record of the seat is maintained, the operation of the seat safety device 1 is maintained, the operating state of the front seat airbag 11 is detected, and if the front seat airbag 11 is not activated, the corresponding activation is performed.
Iv22. if there is no record of the occupied status of the seat, the closing of the seat safety device 1 is maintained.
In this embodiment, in the step II2, for the determination that the child seat response signal sent by the radar transceiver 50 is not received, enough time delay determination or control flow may be set to return to confirm no response signal again or multiple times, so as to ensure that the determination of the system is consistent with the actual condition of the child seat 5.
Example 4:
according to fig. 8, the present embodiment differs from embodiment 3 in that: in this embodiment, as shown in fig. 8, the system further includes a vehicle speed measuring device 7, the vehicle speed measuring device 7 sends vehicle speed information to the occupancy recognition control module 3, and the occupancy recognition control module 3 operates according to the vehicle speed information.
In the specific control flow of this embodiment, the occupancy recognition control module 3 first performs the following corresponding processing according to the vehicle speed information provided by the vehicle speed measuring device 7:
if the vehicle is not in a stationary state, i.e. the vehicle is in an active state, the process returns and the existing state of the seat safety device 1 is maintained.
If the automobile is in a static state, the pressure signal of the sensor 2 is obtained, and other control flows are the same as or similar to those described in the above embodiments, and are not described herein again.
In the embodiments of the present invention, the mentioned seat is a front seat in an automobile as a preferred embodiment, and certainly, a rear seat may also be implemented correspondingly, and the working principle and the control flow thereof are basically the same or similar, and are not described herein again.
Claims (14)
1. A processing method of seat safety equipment judges the occupation state of a seat through sensor signals, correspondingly sets the seat safety equipment, and adopts the following steps:
A. acquiring a pressure signal of a sensor;
B. according to the pressure value reflected by the pressure signal and a set pressure threshold value, the following operations are carried out:
b1, if the pressure value is larger than or equal to the pressure threshold value, the seat is determined to be in an occupied state, and seat safety equipment is started;
b2, if the pressure value is smaller than the pressure threshold value, the seat is determined to be in a non-occupied state, and seat safety equipment is closed;
the method is characterized in that: in step B1, the occupied status and the time of the seat are also recorded.
2. The seat safety apparatus processing method according to claim 1, wherein: in the step A, the sensor detects the signal at set time intervals.
3. The seat safety apparatus processing method according to claim 2, wherein: the time interval is 1.5 seconds to 5 seconds.
4. The seat safety apparatus processing method according to claim 1, wherein: in the step B, the pressure threshold value is 10kg-20 kg.
5. The seat safety apparatus processing method according to any one of claims 1 to 4, wherein: the step B1 includes the following steps:
if the pressure value is larger than or equal to the pressure threshold value, whether an occupied state record of the seat exists is searched, and the following operations are carried out:
b11, if the occupied state record of the seat exists, refreshing the current time in the record by the current time, and keeping the operation of the seat safety equipment;
b12, if there is no record of the occupied state of the seat, recording the occupied state of the seat and the time at that time, and starting the seat safety equipment.
6. The seat safety apparatus handling method of claim 5, wherein: the step B2 includes the following steps:
if the pressure value is smaller than the pressure threshold value, whether an occupied state record of the seat exists is searched, and the following operations are carried out:
b21, if there is a record of the occupied state of the seat, calculating the difference between the current time and the current time reflected in the record, and according to the difference and a set time difference threshold, performing the following operations:
b211, if the difference value is larger than or equal to the time difference threshold value, deleting the occupied state record of the seat, determining the seat to be in a non-occupied state, and closing the seat safety equipment;
b212, if the difference value is smaller than the time difference threshold value, keeping the occupied state record of the seat, and keeping the operation of the seat safety equipment;
b22, if there is no record of the occupied state of the seat, the seat is determined to be in the non-occupied state, and the seat safety equipment is kept closed.
7. The seat safety apparatus processing method according to claim 1, wherein: the occupancy state of the seat is also determined by the transmission of the wireless signal and its response.
8. The seat safety apparatus handling method of claim 7, wherein: and B, sending a child seat identification signal at the same time of the step A.
9. The seat safety apparatus handling method of claim 8, wherein: the step B comprises the following steps:
ba. If a response signal sent by the child seat is received, the seat is determined to be in an occupied state, and a seat side safety air bag and a seat belt early warning device in the seat safety equipment are started or related operation is kept;
bb. If the response signal sent by the child seat is not received, the following operations are carried out according to the pressure value reflected by the pressure signal and a set pressure threshold value:
bb1, if the pressure value is larger than or equal to the pressure threshold value, the seat is determined to be in an occupied state, and a front seat airbag, a side seat airbag and a seat belt early warning device in the seat safety equipment are started;
bb2, if the pressure value is smaller than the pressure threshold value, the seat is determined to be in a non-occupied state, and the seat safety equipment is closed.
10. The seat safety apparatus processing method according to any one of claims 1 to 4, wherein: the step A comprises the following steps:
the driving state of the automobile is detected, and the following processing is carried out according to the driving state:
a1, if the automobile is in a static state, acquiring a pressure signal of the sensor;
and A2, if the automobile is not in a static state, returning.
11. The seat safety apparatus processing method according to any one of claims 1 to 4, wherein: the seat refers to a front seat in an automobile.
12. A seat safety equipment processing system comprises seat safety equipment, a sensor and an occupancy identification control module, wherein the sensor acquires a pressure signal of a seat and sends the pressure signal to the occupancy identification control module; the occupation identification control module calculates a corresponding pressure value according to the received pressure signal, sends a corresponding control signal to the seat safety equipment according to the comparison result of the pressure value and the pressure threshold value,
the method is characterized in that: the seat management system also comprises a memory, wherein the memory stores records of the seats, and the records comprise occupied state information and current time; the memory receives calling and reading and writing operations of the occupation identification control module; and the occupancy identification control module also calculates the relevant time value in the record and correspondingly controls the seat safety equipment.
13. The seat safety equipment handling system of claim 12, wherein: the system comprises a child seat, a radar transceiver is arranged in the child seat, a wireless signal transceiving processing module corresponding to the radar transceiver is further arranged in the system, the seat safety equipment comprises a seat front safety air bag, a seat side safety air bag and a seat safety belt early warning device, wherein,
the occupancy identification control module issues a child seat detection command to the wireless signal receiving and transmitting processing module;
the wireless signal receiving and transmitting processing module reflects the seat state information occupied by the child seat through information interaction with the radar transceiver according to the detection command;
the wireless signal receiving and sending processing module sends the received response signal to the occupation identification control module, and the occupation identification control module respectively and correspondingly controls a front seat safety air bag, a side seat safety air bag and a seat belt early warning device in the seat safety equipment according to the received response state.
14. The seat safety device handling system of any one of claims 12-13, wherein: the system also comprises a vehicle speed measuring device, the vehicle speed measuring device sends vehicle speed information to the occupancy identification control module, and the occupancy identification control module performs corresponding operation according to the vehicle speed information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510022289A CN100575152C (en) | 2005-12-08 | 2005-12-08 | A kind of seat safety device treating method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510022289A CN100575152C (en) | 2005-12-08 | 2005-12-08 | A kind of seat safety device treating method and system |
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| CN1978252A CN1978252A (en) | 2007-06-13 |
| CN100575152C true CN100575152C (en) | 2009-12-30 |
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| CN200510022289A Active CN100575152C (en) | 2005-12-08 | 2005-12-08 | A kind of seat safety device treating method and system |
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| CN111660983A (en) * | 2019-03-07 | 2020-09-15 | 上海博泰悦臻网络技术服务有限公司 | Vehicle, vehicle equipment and intelligent control method of safety airbag of vehicle equipment |
| CN115465158A (en) * | 2022-02-09 | 2022-12-13 | 北京罗克维尔斯科技有限公司 | Alarm method and device for child seat |
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2005
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