A kind of control system and gas suspension seat of gas suspension seat
Technical field
The present invention relates to control system fields, more particularly, to the control system and gas suspension seat of a kind of gas suspension seat
Chair.
Background technique
What lifting seat in the prior art relied on is mechanically operated mode, for example, referring to Figure 1, including fixed plate
1 ', 2 ' of lifter plate and the scissors being set between 2 ' of 1 ' of fixed plate and lifter plate pitch 3 ' of mechanism, and scissors pitches 3 the same side ' of mechanism
Top and bottom are slidably connected by sliding rail and 2 ' of lifter plate and 1 ' of fixed plate, and the other side is fixed with 2 ' of lifter plate and 1 ' of fixed plate
Connection, power mechanism are set between 2 ' of lifter plate and scissors fork 3 ' of mechanism for driving 2 ' of lifter plate relative to 1 ' of fixed plate
It rises, power mechanism is not limited to manual, electric, pneumatic etc..In another example;
The patent that number of patent application is 02228327.7 discloses a kind of air suspension formula shock-absorbing seat.It is provided with air
Spring and pneumatic regulation system, the purpose of the technical solution are the damping performance differences in order to solve mechanical suspension formula lifting seat
Problem is only able to achieve raising and lowering function, has a single function, and the degree of automation is insufficient.
The patent that number of patent application is 201120115779.3 discloses a kind of vehicle seat and air suspension mechanism.It is being passed
Air spring, control cam and air shut-off valve, control are increased on the basis of the lifting seat with scissors fork structure of system
Cam correspondingly changes position according to the difference of user's weight, so control air shut-off valve so that air spring inflation or
Person deflates, to reach the function of " suspension ", is somebody's turn to do " suspension " function and enables the crowd of different weight when using the seat
Always it floats in a certain range above and below a certain equilbrium position.The patent realizes " suspension " function by way of Mechanical course
Can, but the patent mechanically controls, the function of realization is limited, and the degree of automation is insufficient.
Above-mentioned lifting seat realizes the elevating function of seat by way of Mechanical course, but function is more single,
It can not achieve other functions, such as: prompt drop, return, position memory etc., the degree of automation are insufficient.
Summary of the invention
One of the objects of the present invention is to provide a kind of control systems of gas suspension seat, to solve liter in the prior art
The control system of drop seat relies on Mechanical course, has a single function the problem with the degree of automation deficiency.
The second object of the present invention is to provide a kind of gas suspension seat, be relied on solving lifting seat in the prior art
Mechanical course has a single function problem with the degree of automation deficiency.
For the first purpose,
The invention discloses a kind of control systems of gas suspension seat, including position sensor, ECU, solenoid valve block and people
Machine interface;
The position sensor is connected with the ECU, for detecting location variation, according to the location variation
Position signal is obtained, and the position signal is sent to the ECU;
The ECU, for receiving the position signal that the position sensor is sent and/or the control that man-machine interface is sent
Signal processed according to the position signal and/or the corresponding control instruction of the control signal acquisition, and the control instruction is sent out
It send to the solenoid valve block;
The solenoid valve block is connected with the ECU and air spring respectively, for receiving described in the ECU transmission
Control instruction, and the air spring is controlled according to the control instruction, so that the air spring is inflated or deflates.
Further,
The control signal that the man-machine interface is sent includes at least lifting signal;
The ECU receives the lifting signal and the corresponding lifting finger of lifting signal according to the lifting signal acquisition
It enables;
The solenoid valve block controls the air spring according to lifting instruction.
Further,
The control signal that the man-machine interface is sent includes at least prompt drop signal, and the position signal is present bit confidence
Number;
The ECU receives the current position signal that the prompt drop signal and the position sensor are sent, and according to
The prompt drop signal and the current position signal obtain corresponding prompt drop instruction;
The solenoid valve block controls the air spring according to prompt drop instruction and deflates, until the gas suspension
Seat drops to extreme lower position.
Further,
The control signal that the man-machine interface is sent includes at least return signal;
The ECU receives the return signal and extracts the current position signal, and according to the return signal and institute
It states current position signal and obtains return instruction;
The solenoid valve block controls the air spring according to return instruction and is inflated, until the gas suspension
Seat is repositioned to the corresponding position of the current position signal.
Further,
The ECU is used to acquire the equilbrium position signal of equilbrium position, and records the equilbrium position signal, the balance
Position is obtained by the lifting signal that man-machine interface is sent;
The ECU is also used to receive the real-time position signal of real time position, and judge the real-time position signal with it is described
Whether the offset signal between the signal of equilbrium position exceeds preset signal threshold value, if it was exceeded, sending out to the solenoid valve block
Control instruction out makes the solenoid valve block control the air spring according to the control instruction.
Further,
The ECU is higher than the equilbrium position signal, and the real-time position signal and institute in the real-time position signal
It states in the case that the offset signal between the signal of equilbrium position is more than the preset signal threshold value, Xiang Suoshu solenoid valve block
Control instruction is issued, so that the solenoid valve block controls the air spring according to the control instruction.
Further,
The ECU is higher than the real-time position signal, and the real-time position signal and institute in the equilbrium position signal
The offset signal between the signal of equilbrium position is stated more than in the case where the preset signal threshold value, Xiang Suoshu solenoid valve block issues
Control instruction, so that the solenoid valve block controls the air spring according to the control instruction.
Further,
The control signal that the man-machine interface is sent includes at least memory signal;
The ECU obtains the memory signal, and acquires the corresponding position in setting position that the position sensor is sent
Signal, the setting position are obtained by the lifting signal that man-machine interface is sent;
The ECU is corresponding according to the memory signal and the setting position when obtaining the memory signal again
Position signal obtains control instruction, is inflated so that the solenoid valve block controls the air spring according to the control instruction
Or deflate, until the gas suspension seat is adjusted to the setting position.
Further,
The lifting signal that the man-machine interface is sent includes at least electrodeless lifting signal and/or gear goes up and down signal.
For the second purpose,
The invention discloses a kind of gas suspension seat, the control system including gas suspension seat, further include upper guide groove, under lead
Slot and scissors pitch lifting assembly, and the scissors fork lifting assembly is set between the upper guide groove and the lower guide channel, and with institute
It states upper guide groove and the lower guide channel is slidably connected, the air spring is set to the inside of the scissors fork lifting assembly for band
It moves the scissors fork lifting assembly to rise or decline, the control system of the gas suspension seat is for controlling the air bullet
Spring.
In conjunction with above technical scheme, since a kind of gas suspension seat provided by the invention is provided with the control of gas suspension seat
System, it can be achieved that inflation is perhaps deflated, the inflation of air spring or deflation can drive scissors to air spring at the control
Lifting assembly is pitched to rise or decline.Again since the control system of the gas suspension seat can control sky by different control instructions
Amplitude gas spring inflation or deflated, thus, lifting can be achieved under different control instructions, prompt drop, return for gas suspension seat
Position, position memory and suspension function, thus, gas suspension functions of seat provided by the invention is various, the degree of automation is higher.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of lifting seat in the prior art;
Fig. 2 is the working principle diagram of the control system of gas suspension seat provided by the invention;
Fig. 3 is the structural schematic diagram of gas suspension seat provided by the invention;
Fig. 4 is the side view of gas suspension seat provided by the invention;
Fig. 5 is the top view of gas suspension seat provided by the invention.
Appended drawing reference:
1- upper guide groove;2- lower guide channel;3- scissors pitches lifting assembly;
4- air spring;The first support plate of 31-;The second support plate of 32-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
The core of the present embodiment is to provide a kind of control system of gas suspension seat, gas suspension seat at the control,
Raising and lowering function can be achieved, specifically,
Including position sensor, ECU (electronic control unit Electronic Control Unit), solenoid valve block and people
Machine interface.
Wherein, position sensor is connected with ECU, for detecting location variation, obtains position according to location variation
Signal, and position signal is sent to ECU.
Wherein, ECU, the control signal that position signal and/or man-machine interface for receiving position sensor transmission are sent,
According to position signal and/or the corresponding control instruction of control signal acquisition, and control instruction is sent to solenoid valve block;
Wherein, solenoid valve block is connected with ECU and air spring 4 respectively, for receiving the control instruction of ECU transmission, and
Air spring 4 is controlled according to control instruction, so that air spring 4 is inflated or deflates.
For the elevating function for realizing gas suspension seat, in a kind of control system of gas suspension seat provided in this embodiment
The control signal that man-machine interface is sent includes at least lifting signal, and ECU receives lifting signal and according to lifting signal acquisition lifting
The corresponding lifting instruction of signal;Solenoid valve block instructs control air spring 4 according to lifting, so that air spring 4 is inflated or put
Gas.It should be noted that air spring 4 be the gas suspension seat power mechanism, for drive gas suspension seat rise or
Decline, when air spring 4 is inflated, gas suspension seat rises, when air spring 4 is deflated, the decline of gas suspension seat.
More specifically, the rising of gas suspension seat is achieved in that
Going up and down signal includes rising signals, when ECU reception rising signals, and obtains rising signals pair according to rising signals
The climb command answered, solenoid valve block receive climb command and control air spring 4, so that the inflation of air spring 4 rises, until upper
Setting position is risen to, to realize the rising of gas suspension seat, wherein setting position is arbitrarily selected by user.
More specifically, the decline of gas suspension seat is achieved in that
Going up and down signal includes dropping signal, when ECU reception dropping signal, and obtains dropping signal pair according to dropping signal
The decline instruction answered, solenoid valve block receive decline and instruct and control air spring 4, the decline so that air spring 4 is deflated, until under
It is down to setting position, to realize the decline of gas suspension seat, wherein setting position is arbitrarily selected by user.
In use:
When user is seated on gas suspension seat, rising or falling for lifting seat can be controlled by man-machine interface, with side
Just user looks for using highly for the most comfortable.Specifically, being sent out when user needs gas suspension seat to rise by man-machine interface
Send rising signals to ECU, the ECU control inflation of air spring 4 is to drive gas suspension seat to rise, until rising to suitable height.
When user wishes the decline of gas suspension seat, dropping signal is sent to ECU by man-machine interface, ECU control air spring 4 is deflated
To drive gas suspension seat to decline, until dropping to suitable height.
It should be noted that the structure type of man-machine interface is not limited to electrodeless switch, driving switch, button or touch screen
Deng.The position of man-machine interface is preferably provided at the forward position of the left or right side of lifting seat, in order to user's manipulation.It can
With understanding, the deformation of man-machine interface other structures form also should be within the scope of protection of present invention.
Embodiment 2
The core of the present embodiment is to provide a kind of control system of gas suspension seat, gas suspension seat at the control,
Prompt drop function can be achieved, specifically,
Including position sensor, electronic control unit ECU, solenoid valve block and man-machine interface.
Wherein, position sensor is connected with ECU, for detecting location variation, obtains position according to location variation
Signal, and position signal is sent to ECU.
Wherein, ECU, the control signal that position signal and/or man-machine interface for receiving position sensor transmission are sent,
According to position signal and/or the corresponding control instruction of control signal acquisition, and control instruction is sent to solenoid valve block.
Wherein, solenoid valve block is connected with ECU and air spring 4 respectively, for receiving the control instruction of ECU transmission, and
Air spring 4 is controlled according to control instruction, so that air spring 4 is inflated or deflates.
In the use process of gas suspension seat, some disadvantaged group, such as child, old man, physical disabilities etc., directly and
It is rapidly left from the gas suspension seat with certain altitude more difficult.To solve the above problems, provided in this embodiment
The set-up of control system of gas suspension seat has prompt drop function.
Specifically,
The control signal that man-machine interface is sent includes at least prompt drop signal, wherein position signal is current position signal.
ECU receives the current position signal that the prompt drop signal that man-machine interface is sent and position sensor are sent, and according to prompt drop signal and
Current position signal obtains corresponding prompt drop instruction.Solenoid valve block instructs control air spring 4 to deflate, directly according to prompt drop
Drop to extreme lower position to gas suspension seat.After gas suspension seat drops to extreme lower position, man-machine interface stops sending prompt drop
Signal, gas suspension seat stops prompt drop movement, hereby it is achieved that the prompt drop function of gas suspension seat.
Embodiment 3
The core of the present embodiment is to provide a kind of control system of gas suspension seat, gas suspension seat at the control,
Return function can be achieved.The present embodiment is based on embodiment 2, the speed that return function provided in this embodiment must be provided in embodiment 2
It drops after function is completed and carries out, specifically,
Including position sensor, electronic control unit ECU, solenoid valve block and man-machine interface.
Wherein, position sensor is connected with ECU, for detecting location variation, obtains position according to location variation
Signal, and position signal is sent to ECU.
Wherein, ECU, the control signal that position signal and/or man-machine interface for receiving position sensor transmission are sent,
According to position signal and/or the corresponding control instruction of control signal acquisition, and control instruction is sent to solenoid valve block.
Wherein, solenoid valve block is connected with ECU and air spring 4 respectively, for receiving the control instruction of ECU transmission, and
Air spring 4 is controlled according to control instruction, so that air spring 4 is inflated or deflates.
In the use process of gas suspension seat, first user sends prompt drop signal by man-machine interface and makes gas suspension seat
Chair is in extreme lower position, the position before needing the gas suspension seat rising to prompt drop after rear user is seated at the gas suspension seat
It sets.Based on considering above, in the control system of gas suspension seat provided in this embodiment, the control signal that man-machine interface is sent is extremely
It less include return signal, wherein position signal is current position signal.Man-machine interface sends return signal to ECU, ECU reception
The current position signal that return signal and position sensor are sent, and it is corresponding according to return signal and current position signal acquisition
Return instruction;Solenoid valve block, according to return instruct control air spring 4 deflate, until gas suspension seat drop to it is minimum
Position, when position before gas suspension seat is repositioned to prompt drop, gas suspension seat stops revert action.Hereby it is achieved that gas is outstanding
The return function of floating seat, user can by man-machine interface by gas suspension seat from extreme lower position be repositioned to prompt drop before position
It sets.
Embodiment 4
The core of the present embodiment is to provide a kind of control system of gas suspension seat, gas suspension seat at the control,
Suspension function may be implemented, specifically,
Including position sensor, electronic control unit ECU, solenoid valve block and man-machine interface.
Wherein, position sensor is connected with ECU, for detecting location variation, obtains position according to location variation
Signal, and position signal is sent to ECU.
Wherein, ECU, the control signal that position signal and/or man-machine interface for receiving position sensor transmission are sent,
According to position signal and/or the corresponding control instruction of control signal acquisition, and control instruction is sent to solenoid valve block.
Wherein, solenoid valve block is connected with ECU and air spring 4 respectively, for receiving the control instruction of ECU transmission, and
Air spring 4 is controlled according to control instruction, so that air spring 4 is inflated or deflates.
It is expert at Chinese herbaceous peony, user adjusts gas suspension seat to equilbrium position to meet the needs of comfort, which can
It is obtained by the lifting signal that man-machine interface is sent.For example, needing to increase gas suspension after user is seated at gas suspension seat
When seat, rising signals are sent by man-machine interface, control gas suspension seat rises until reaching equilbrium position;When user takes a seat
After gas suspension seat, when needing to reduce gas suspension seat, dropping signal is sent by man-machine interface, is controlled under gas suspension seat
Drop is until reach equilbrium position.Before driving, ECU acquires the equilbrium position signal of equilbrium position, and records equilbrium position signal.
When driving, gas suspension seat can pitch with the out-of-flatness of road conditions, at this point, position sensor is adopted
The real-time position signal of collection can deviate equilbrium position signal, and ECU receives the real-time position signal of real time position, and judges real-time position
Whether the offset signal between confidence number and equilbrium position signal exceeds preset signal threshold value, if it was exceeded, to solenoid valve
Group issues control instruction, so that solenoid valve block is controlled air spring 4 according to control instruction, so that air spring 4 rises or falls.
More specifically,
ECU is higher than equilbrium position signal in real-time position signal, and between real-time position signal and equilbrium position signal
In the case that offset signal is more than preset signal threshold value, control instruction is issued to solenoid valve block, so that solenoid valve block is according to control
System instruction control air spring 4, air spring 4, which is deflated, to be declined.
ECU is higher than real time position, and the offset signal between real-time position signal and equilbrium position signal in equilbrium position
In the case where more than preset signal threshold value, control instruction is issued to solenoid valve block, so that solenoid valve block is according to control instruction control
Air spring 4 processed, the inflation of air spring 4 rise.
The control system of gas suspension seat provided in this embodiment can guarantee that gas suspension seat is next on equilbrium position
Determine to float in range, when floating has exceeded preset signal threshold value, ECU issues control instruction, solenoid valve block root to solenoid valve block
Rise or decline according to control instruction control air spring 4, hereby it is achieved that the suspension function of gas suspension seat, gas suspension seat
Chair floats in a certain range up and down of equilbrium position always.
Embodiment 5
The core of the present embodiment is to provide a kind of control system of gas suspension seat, gas suspension seat at the control,
Memory function can be achieved, specifically,
In the use process of gas suspension seat, for user to the preference of certain positions, the control of man-machine interface transmission
Signal includes at least memory signal.When user's first passage man-machine interface sends memory signal to ECU, ECU acquisition position is passed
The corresponding position signal in setting position that sensor is sent.When user sends memory signal to ECU again by man-machine interface,
ECU obtains control instruction according to the corresponding position signal of memory signal and setting position, so that solenoid valve block is according to control instruction
Control air spring is inflated or deflates, until gas suspension seat is adjusted to setting position.It should be noted that setting position
Lifting signal is sent by man-machine interface to obtain.On how to realize that the detailed process of setting position can refer to embodiment 1, herein
It repeats no more.
More specifically,
ECU obtains memory signal, and the corresponding position signal in setting position that acquisition position sensor is sent, setting position
It is obtained by the lifting signal that man-machine interface is sent;
ECU obtains control when obtaining memory signal again, according to the corresponding position signal of memory signal and setting position
Instruction is inflated or deflates so that solenoid valve block controls air spring according to control instruction, until gas suspension seat is adjusted to
Setting position.
As the exemplary embodiment of the present embodiment, which can be sent multiple by man-machine interface
Memory signal, i.e., settable multiple memory areas are to meet the use demand of different user.
Embodiment 6
The core of the present embodiment is to provide a kind of gas suspension seat, which includes the control of gas suspension seat
System processed, the concrete operating principle of the control system of the gas suspension seat can be found in embodiment 1 to embodiment 5, no longer go to live in the household of one's in-laws on getting married herein
It states.
It further include having upper guide groove 1, lower guide channel 2 and scissors fork lifting assembly 3, scissors fork lifting assembly 3 is set to upper guide groove 1
It is slidably connected between lower guide channel 2, and with upper guide groove 1 and lower guide channel 2, air spring 4 is set to the interior of scissors fork lifting assembly 3
For driving, scissors fork lifting assembly 3 rises or decline, the control system of gas suspension seat are filled for controlling air spring in portion
Gas or deflation.Wherein, the control system of gas suspension seat can the integrally disposed avris in gas suspension seat, gas can also be divided into
The different location of suspension seat.
More specifically,
It includes the first support plate 31 and the second support plate 32 that scissors, which pitches lifting assembly 3, and the first support plate 31 and second supports
The middle part of plate 32 is hinged by axis.First support plate, 31 upper end and upper guide groove 1 are hinged, 31 lower end of the first support plate and lower guide channel 2
It being slidably connected, 32 upper end of the second support plate is slidably connected with upper guide groove 1, and 32 lower end of the second support plate and lower guide channel 2 are hinged, and first
Support plate 31 and the second support plate 32 are located at the same of gas suspension seat with the position of upper guide groove 1 or lower guide channel 2 being slidably connected
Side.The position and upper guide groove 1 and lower guide channel 2 of first support plate 31 and the second support plate 32 in front of close seat are hinged, and first
Support plate 31 and the second support plate 32 are slidably connected in the position close to seat rear with upper guide groove 1 and lower guide channel 2.In gas suspension
In seat uphill process, the top of the lower part of the first support plate 31 and the second support plate 32 can be led respectively along lower guide channel 2 and above
Slot 1 is slided to the front of gas suspension seat, and the angle between the first support plate 31 and the second support plate 32 reduces, the first support plate
31 and 32 upper end of the second support plate where plane rise, to realize the rising of gas suspension seat.Under gas suspension seat
During drop, the top of the lower part of the first support plate 31 and the second support plate 32 can be respectively along lower guide channel 2 and upper guide groove 1 to gas
The rear slide of suspension seat, the angle between the first support plate 31 and the second support plate 32 become larger, the first support plate 31 and
Plane decline where two support plates, 32 upper end, to realize the decline of gas suspension seat.It should be noted that the embodiment
Seat in front of refer to the front of user that user is seated at after gas suspension seat, the seat rear of the embodiment refers to that user falls
The rear of user of the seat after gas suspension seat.
It should be noted that there are two scissors to pitch lifting assembly 3 for setting, it is outstanding that two scissors fork lifting assemblies 3 are divided into gas
The two sides of floating seat, are used to form steadily support force.
In order to limit the extreme lower position of gas suspension seat, it is preferable that be provided with limit between upper guide groove 1 and lower guide channel 2
The lower end of block, the limited block is fixedly connected with lower guide channel 2, and the upper end of limited block and upper guide groove 1 are separable, when under gas suspension seat
It is down to upper guide groove 1 and when limited block offsets, upper guide groove 1 stops decline, at this point, position corresponding to gas suspension seat is lowest order
It sets.
In order to mitigate seismaesthesia of gas suspension seat during rising or decline, it is preferable that inside gas suspension seat
It is provided with damper, to absorb the vibration energy of gas suspension seat, promotes user experience.
A kind of gas suspension seat provided in this embodiment, due to being provided with the control system of gas suspension seat, air spring
, it can be achieved that inflation is perhaps deflated, the inflation of air spring or deflation can be driven on scissors fork lifting assembly 3 at the control
It rises or declines.Again since the control system of the gas suspension seat can control gas suspension seat liter by different control instructions
Drop, prompt drop, return, memory, and suspend, thus, gas suspension functions of seat provided in this embodiment multiplicity, the degree of automation compared with
It is high.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.