CN108125682A - Power-on self-test equipment, method and the patient bed of a kind of patient bed - Google Patents
Power-on self-test equipment, method and the patient bed of a kind of patient bed Download PDFInfo
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- CN108125682A CN108125682A CN201611093578.1A CN201611093578A CN108125682A CN 108125682 A CN108125682 A CN 108125682A CN 201611093578 A CN201611093578 A CN 201611093578A CN 108125682 A CN108125682 A CN 108125682A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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Abstract
The embodiment of the invention discloses power-on self-test equipment, method and the patient bed of a kind of patient bed, including：Rise bed shutdown switch and origin switch；Controller sends control instruction, indication motor driving bed board movement to motor；The on off state that acquisition rises bed shutdown switch and origin switch is additionally operable to, determines whether bed board moves in place；It is normal open switch to rise bed shutdown switch；Bed shutdown switch is risen, is closed during the top of vertical direction self-test stroke for being moved to when bed board；Controller control bed board stops the movement of vertical direction；Origin switch is normal open switch；Origin switch is closed for being moved to when bed board during the stop position of horizontal self-test stroke, and controller control bed board stops the movement of horizontal direction；Controller judges to confirm that patient bed self-test is normal when rising bed shutdown switch closure and origin switch closure.The self-test of vertical direction is carried out by liter bed shutdown switch, the self-test of horizontal direction is carried out by origin switch, the time that patient bed completes self-test can be saved.
Description
Technical field
The present invention relates to technical field of medical equipment more particularly to power-on self-test equipment, method and the trouble of a kind of patient bed
Person's bed.
Background technology
Patient bed is the important component of magnetic resonance system, and patient bed generally comprises horizontal component and vertical component.Water
Movement in the horizontal direction is realized in flat part, i.e., patient scan position is sent to magnet center before scanning, will after the completion of scanning
Send out magnet center region in patient scan position.Vertical component realizes that patient bed in the lifting of vertical direction, facilitates above and below patient
Patient bed.
But since magnetic resonance system magnetic field energy reaches 1.5T even 3.0T, in this strong magnetic field circumstance, in patient bed
The devices such as controller, driver, motor, encoder and switch easily influenced and broken down by high-intensity magnetic field.Controller
For controlling patient's bed motion, wherein controller, which is sent to the control signal of motor, needs driver to be sent to motor after amplifying.
Motor is used to drive patient's bed motion.Wherein encoder can react the position of patient bed.
When patient bed breaks down, magnetic resonance equipment is on the one hand prevented on the other hand may to cause peace from normal use
Full accident therefore, it is necessary to carry out self-test when patient bed powers on, finds the failure of patient bed in time.
Invention content
In order to solve Yi Shang technical problem in the prior art, the present invention provides a kind of power-on self-test of patient bed and sets
Whether normal standby, method and patient bed can detect patient bed automatically, it is ensured that ability work when patient bed is normal when powering on every time
Make, so as to ensure the safety of patient.
The embodiment of the present invention provides a kind of power-on self-test equipment of patient bed, and applied to patient bed, which includes：Rise bed
Shutdown switch and origin switch；
The patient bed include bed body, bed board, controller and motor, the bed body include lifting arm, lower supporting plate and on
Support plate；The lower supporting plate is fixed on ground, and the first end of the lifting arm is arranged on the lower supporting plate, the lifting
Arm second end connects the upper backup pad, and the bed board can be moved along the upper backup pad horizontal direction；The lifting arm is used
In lifting with drive the bed board vertical direction move；
The controller for sending control instruction to the motor, indicates that the motor drives the bed board movement；Also
For acquiring the on off state of the liter bed shutdown switch and origin switch, determine whether the bed board moves in place；
The liter bed shutdown switch is normal open switch；
The liter bed shutdown switch, is closed for being moved to when the bed board during the top of vertical direction self-test stroke；
The controller controls the movement of the bed board stopping vertical direction；
The origin switch is normal open switch；
The origin switch is closed, the control for being moved to when the bed board during stop position of horizontal self-test stroke
Device control bed board processed stops the movement of horizontal direction；
The controller judges to confirm the patient bed when liter bed shutdown switch is closed and the origin switch is closed
Self-test is normal.
Preferably, the lifting arm is intersects lifting arm；
The liter bed shutdown switch is arranged on the lower supporting plate；
When the bed board moves to the top of vertical direction self-test stroke, the first end touching for intersecting lifting arm
The liter bed shutdown switch, the liter bed shutdown switch are closed；
Or,
The lifting arm is vertical lift arm；
The liter bed shutdown switch is arranged on the vertical telescopic lifting arm；
When the bed board moves to the top of vertical direction self-test stroke, described in the vertical telescopic lifting arm touching
Bed shutdown switch is risen, the liter bed shutdown switch is closed.
Preferably, which further includes：Near point switchs；
The origin switch is arranged on one end far from magnetic resonance equipment vestibule on upper backup pad；The near point switch and institute
It states origin switch to be arranged on the upper backup pad, and near point switch is arranged on the origin switch and magnetic resonance equipment
Between vestibule, the near point switch is spaced a predetermined distance with origin switch；
The one end of the bed board far from magnetic resonance equipment vestibule and relative to upper backup pad one side be equipped with the first block；
When first block touches the near point switch, the near point switch is closed；When first block is touched
During the origin switch, the origin switch is closed；
The controller during for judging the state of near point switch to disconnect, controls bed board to be switched near point to original
When collecting the state of the near point switch to be closed, deceleration control instruction is sent to the motor for the direction movement of point switch,
So that motor driving bed board slows down moves the state until the origin switch to be closed to the origin switch direction；It is additionally operable to
When judging the state of the near point switch to be closed, the direction that control bed board is switched from origin direction near point moves, when described
When the state of near point switch is disconnects, control bed board moves the state switched until near point to the direction of origin switch to be closed,
Deceleration control instruction then is sent to the motor, is moved so that motor driving bed board slows down to the origin switch direction until institute
The state of origin switch is stated to be closed.
Preferably, which further includes：Into bed limit switch and go out a limit switch；The bed board is relative to described in setting
One end of first block is equipped with the second block；
It is described into bed limit switch and to go out a limit switch be normally closed switch；
It is described into bed limit switch and to go out a limit switch and be arranged on the upper backup pad, and be separately positioned on described
The extreme position at the both ends of bed board horizontal motion stroke；
Described one end that magnetic resonance equipment vestibule is positioned close into bed limit switch, it is described go out a limit switch be arranged on
One end far from magnetic resonance equipment vestibule；
When going out a bed limit switch described in first block touching, it is described go out a limit switch disconnect；When described second
It is described to be disconnected into bed limit switch when described in block touching into bed limit switch；
The controller, during for confirming that patient bed self-test is normal, it is also necessary to determine described into bed limit switch and to go out bed
The on off state of limit switch is to be closed.
Preferably, which further includes：Bed shutdown switch drops；
The drop bed shutdown switch is normally closed switch；
When the lifting arm is intersects lifting arm, the drop bed shutdown switch is arranged on the lower supporting plate, works as institute
When stating bed board and moving to the bottom of vertical direction self-test stroke, the first end touching drop bed for intersecting lifting arm stops
Switch, the drop bed shutdown switch disconnect；
The controller, when being additionally operable to confirm that patient bed self-test is normal, it is also necessary to determine opening for the drop bed shutdown switch
Off status is is closed.
Preferably, the patient bed further includes：Horizontal driver, vertical driver and encoder；
The motor includes horizontal motor and motor vertical；
The horizontal driver, the control instruction of control bed board horizontal movement for the controller to be sent are put
The horizontal motor is sent to after big；
The horizontal motor, for driving the bed board horizontal movement；
The vertical driver, the control instruction of control bed board vertical movement for the controller to be sent are put
The motor vertical is sent to after big；
The motor vertical, for the bed board to be driven to move vertically；
The encoder, for acquiring the location information of the bed board and feeding back to the controller；
The controller, for bed board being controlled to carry out next step movement according to the location information.
Preferably, which further includes：Host computer and alarm；
The controller, for the self-detection result of patient bed to be sent to host computer, when patient bed failure, by the failure
Corresponding failure code is sent to host computer；
The host computer for according to fault code lookup fault type and being shown, is additionally operable to control alarm report
Alert, the failure code and fault type correspond.
The embodiment of the present invention also provides a kind of self checking method based on the self-checking equipment, including：
Judge that whether bed board is in vertical direction self-test stroke after the power is turned on by the on off state for rising bed shutdown switch
Topmost；
If it is not, then control bed board is moved upwardly until that the detection liter bed shutdown switch is closed in vertical direction；
If it is, whether in the horizontal direction bed board self-test stroke is judged by the on off state of the origin switch
Stop position, if it is self-test is completed, if otherwise controlling the bed board horizontal movement until institute by the controller
State origin switch closure；
Confirm that the patient bed self-test is normal when judging that the liter bed shutdown switch is closed and the origin switch is closed.
Preferably, when the equipment further includes near point switch, the near point switch and the origin switch are arranged at
On the upper backup pad, and near point switch is arranged between the origin switch and magnetic resonance equipment vestibule, the near point
Switch is spaced a predetermined distance with origin switch；The near point switch is normal open switch, when the bed board touches the near point switch
When, the near point switch is closed；
The bed board is equipped with the first block close to one end of the origin switch and relative to the one side of upper backup pad；
When first block touches the near point switch, the near point switch is closed；When first block is touched
During the origin switch, the origin switch is closed；
It is described the bed board movement to be controlled to be specifically included until origin switch closure by the controller：
When judging the state of the near point switch to disconnect, control bed board, which is switched near point to origin switch direction, to be moved
When, the state of the near point switch is acquired to be closed, then deceleration control instruction is sent to the motor, so that motor drives bed board
Slow down and move the state until the origin switch to be closed to the origin switch direction；
When judging the state of the near point switch to be closed, the direction that control bed board is switched from origin direction near point is transported
Dynamic, when the state of near point switch is disconnects, control bed board moves the shape switched until near point to the direction of origin switch
State then sends deceleration control instruction to be closed to the motor, so that motor driving bed board slows down to the origin switch direction
The state until the origin switch is moved to be closed.
The embodiment of the present invention also provides a kind of patient bed, including the self-checking equipment.
Compared with prior art, the present invention has at least the following advantages：
Setting rises bed shutdown switch, and it is normal open switch to rise bed shutdown switch, can pass through liter bed shutdown switch in this way
On off state judges bed board in the position of vertical direction, when controller judge to rise bed shutdown switch for it is normally opened when, illustrate bed board not
It in the top of vertical direction, needs to control bed board upward vertical movement during self-test, until controller detects that a liter bed stopping is opened
It closes to be closed.In addition, controller judges the position of bed board by state that acquisition origin switchs in the horizontal direction, when origin is opened
When off status is normally opened, need that bed board is controlled to move in the horizontal direction, so as to complete the detection that bed board moves in the horizontal direction.This
The self-checking equipment that embodiment provides can save the time that patient bed completes self-test.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic diagram of patient bed provided by the invention；
Fig. 2 is the power-on self-test equipment schematic diagram of patient bed provided by the invention；
Fig. 3 a are two schematic diagram of power-on self-test apparatus embodiments of patient bed provided by the invention；
Fig. 3 b are that setting schematic diagram is switched in the power-on self-test equipment of patient bed provided by the invention；
Fig. 4 a are switch installation position schematic diagram provided by the invention；
Fig. 4 b are stop location schematic diagram provided by the invention；
Fig. 5 is one flow chart of embodiment of self checking method provided by the invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only this
Invention part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
All other embodiments obtained under the premise of creative work are not made, shall fall within the protection scope of the present invention.
In order to which those skilled in the art is made to more fully understand technical solution provided by the invention, it is situated between first below with reference to Fig. 1
Continue the structure and operation principle of a kind of patient bed.
Referring to Fig. 1, which is the schematic diagram of patient bed provided by the invention.
Patient bed includes two large divisions：Bed body (including transposition arm 101, lower supporting plate 102 and upper backup pad 103) and bed board
200。
Wherein, lower supporting plate 102 cannot move, and transposition arm 101 can be movable so as to drive 103 liters of upper backup pad
Drop, the lower supporting plate 102 are fixed on ground, and one end of the transposition arm 101 is arranged on the lower supporting plate 102, described
101 other end of transposition arm connects the upper backup pad 103, and the bed board 200 can be moved along 103 horizontal direction of upper backup pad
It is dynamic；The transposition arm 101 for intersecting lifts that the bed board 200 is driven to move in vertical direction.
The part that magnetic resonance equipment is used to scan patient is vestibule, and patient needs to lie on bed board 200, and bed board 200 moves
It completes to scan into vestibule.During initial position, transposition arm 101 moves upper backup pad 103 to least significant end, so as to patient bunk bed side
Just.But upper backup pad 103, when being located at least significant end, the height in horizontal position is lower than vestibule, can not move bed board 200 in this way
It moves into vestibule, when needing the bed board 200 to rise to parallel with vestibule, bed board 200 is moved horizontally again into vestibule.Otherwise, due to bed board
200 initial positions are lower than vestibule, and the movement of 200 direct horizontal direction of bed board can bump against magnetic resonance equipment.
In addition, patient bed further includes：The devices such as controller, motor, driver and encoder, these devices combine completion pair
The control of bed board 200.
It is understood that the self-test of patient bed mainly detects whether bed board 200 both horizontally and vertically can
Enough proper motions, the devices such as controller, motor, driver and encoder can be detected by the movement for controlling bed board 200 simultaneously
Whether can work normally.
The lifting arm of patient bed shown in FIG. 1 for intersect lifting arm, it is to be understood that in addition to it is such intersection lifting arm with
Outside, lifting arm can also be vertical telescopic lifting arm, for example, vertical telescopic lifting arm include two-section, wherein one section be sleeved on it is another
In cutting, when bed board needs raising, one section of thinner lifting arm of control is stretched out from one section of thicker lifting arm to be come, in this way
It can realize the rising of bed board.When otherwise bed board needs to decline, one section of thicker lifting of one section of thinner lifting arm retraction of control
In arm.By lifting arm to be introduced for intersecting lifting arm in the present invention.The difference of both lifting arms is that a liter bed stopping is opened
The position different from of setting is closed, when to intersect lifting arm, rising bed shutdown switch can be arranged on lower supporting plate, intersect and rise
The second end of drop arm can touch the liter bed shutdown switch.Also may be used it is understood that vertical telescopic lifting arm can be one
Think multiple, be not specifically limited herein.
The operation principle of self-checking equipment provided by the invention is discussed in detail below in conjunction with the accompanying drawings.
Referring to Fig. 2, which is one schematic diagram of power-on self-test apparatus embodiments of patient bed provided by the invention.
The power-on self-test equipment of patient bed provided in this embodiment, applied to patient bed, which includes：Bed stopping is risen to open
Close S1 and origin switch S2；
The patient bed include bed body, bed board, controller 300 and motor 400, the bed body include intersect lifting arm, under
Support plate and upper backup pad；The lower supporting plate is fixed on ground, and the first end for intersecting lifting arm is arranged on the lower branch
On fagging, the intersection lifting arm second end connects the upper backup pad, and the bed board can be along the upper backup pad level side
To movement；The intersection lifting arm is used to lift that the bed board is driven to move in vertical direction；
The controller 300 for sending control instruction to the motor 400, indicates that the motor 400 drives the bed
Plate moves；It is additionally operable to acquire the on off state for rising bed shutdown switch S1 and origin switch S2, determines whether the bed board moves
It moves in place；
The liter bed shutdown switch S1 is normal open switch, and vertical direction self-test stroke is moved to most for working as the bed board
It is closed during upper end；The controller 300 controls the movement of the bed board stopping vertical direction；
The origin switch S2 is normal open switch；
The origin switch S2 is closed for being moved to when the bed board during stop position of horizontal self-test stroke, described
Controller 300 controls the movement of bed board stopping horizontal direction；
The controller 300 is judged when the liter bed shutdown switch S1 is closed and the origin switch S2 is closed described in confirmation
Patient bed self-test is normal.
It should be noted that the position of origin switch S2 is not to be total in the horizontal direction upper bed board of lower supporting plate far from magnetic
The position of the distalmost end of equipment of shaking vestibule one end, but there be preset distance the position from distalmost end.I.e. the stroke ratio of self-test is suffered from
Person's bed stroke in actual use is short, will not horizontal movement stroke detection bed board entirely movement, oneself can be saved in this way
The time of inspection.
It is understood that bed board can touch origin switch S2 during horizontal movement, it specifically can be in bed board phase
First block is set for the one side of upper backup pad, is set since the origin switch S2 is arranged on upper backup pad far from magnetic resonance
One end of standby vestibule；Therefore, the first block is arranged on the one end of the bed board far from magnetic resonance equipment vestibule and relative to upper branch
The one side of fagging.When the first block touches origin switch S2, origin switch is closed.
Setting rises bed shutdown switch in the present embodiment, and it is normal open switch to rise bed shutdown switch, can pass through a liter bed in this way
The on off state of shutdown switch judges bed board in the position of vertical direction, when controller judge to rise bed shutdown switch for it is normally opened when,
Illustrate that bed board in the top of vertical direction, does not need to control bed board upward vertical movement during self-test, until controller detects
Bed shutdown switch is risen to be closed.In addition, controller judges the position of bed board by state that acquisition origin switchs in the horizontal direction
It puts, when origin switch state is normally opened, needs that bed board is controlled to move in the horizontal direction, transported in the horizontal direction so as to complete bed board
Dynamic detection.Self-checking equipment provided in this embodiment can save the time that patient bed completes self-test.
Referring to Fig. 3 a and Fig. 3 b, wherein Fig. 3 a are that the power-on self-test apparatus embodiments two of patient bed provided by the invention are illustrated
Figure.Fig. 3 b are the setting schematic diagram of each switch.
Position and the operation principle of each switch are introduced in the present embodiment by taking lifting arm is to intersect lifting arm as an example.It is described
Lifting arm is intersects lifting arm 101；
The liter bed shutdown switch S1 is arranged on the lower supporting plate 102；
It is described to intersect the first of lifting arm 101 when the bed board 200 moves to the top of vertical direction self-test stroke
The end touching liter bed shutdown switch S1, the liter bed shutdown switch S1 closures；
Or,
The lifting arm is vertical lift arm；
The liter bed shutdown switch is arranged on the vertical telescopic lifting arm；
When the bed board moves to the top of vertical direction self-test stroke, described in the vertical telescopic lifting arm touching
Bed shutdown switch is risen, the liter bed shutdown switch is closed.
The power-on self-test equipment of patient bed provided in this embodiment, the equipment further include：Near point switchs S3；
The origin switch S2 is arranged on one end far from magnetic resonance equipment vestibule on upper backup pad 103；
The near point switch S3 and origin switch S2 is arranged on the upper backup pad 103, and the near point is opened
It closes S3 to be arranged between the origin switch S2 and magnetic resonance equipment vestibule, the near point switch S3 and origin switch S2 intervals are pre-
Set a distance；The specific location of origin switch S2 and near point switch S3 may refer to Fig. 3 b.
The one end of the bed board far from magnetic resonance equipment vestibule and relative to upper backup pad one side be equipped with the first block
201, as shown in Figure 4 b；
The near point switch S3 is normal open switch, when first block touches the near point switch S3, the near point
S3 is switched to be closed；When first block touches the origin switch S2, the origin switch S2 is closed；
The controller 300, during for judging the state of the origin switch to disconnect, control bed board switchs S3 near point
When being moved to origin switch S2 directions, the state of the near point switch S3 is acquired to be closed, then sends control of slowing down to the motor
System instruction is moved to the origin switch S2 directions until the state of the origin switch S2 is so that motor driving bed board slows down
It is closed；When being additionally operable to judge the state of the near point switch S3 to be closed, control bed board is opened from origin switch S2 directions near point
The direction movement of S3 is closed, when the state of near point switch S3 is disconnects, the direction of control from bed board to origin switch S2 move
Until near point switch S3 state for be closed, then to the motor send deceleration control instruction so that motor driving bed board slow down
The state until the origin switch S2 is moved to be closed to the origin switch S2 directions.
The specific location of near point switch S3 and origin switch S2 may refer to shown in Fig. 4 a, it should be noted that Fig. 4 a institutes
The patient bed shown is placed on the right side of magnetic resonance equipment.When patient needs to do magnetic resonance imaging, the bed board of patient bed needs to the left
It is moved into the vestibule of magnetic resonance equipment.
Interval between near point switch S3 and origin switch S2 is generally smaller, and it is to allow motor to set the two switches
Slow down, and then bed board is made to run to the position of origin switch with slower speed, avoid quickly moving and cause larger impact.Separately
Outside, the effect of setting near point switch S3 can also save the time of self-test, if only setting origin switch S2, need to detect bed
The movement of plate entire stroke in the horizontal direction, for example, it is desired to bed board be controlled to run to the left end shown in Fig. 4 a, when setting near point
When switching S3, it is only necessary to bed board be controlled to run near point switch S3 to the left and then stopped to left movement, then bed board is controlled to run to the right
, the time that bed board is run is saved in this way, so as to save the self-test time.
In addition, the equipment further includes：Into bed limit switch S4 and go out a limit switch S5；
The bed board is equipped with the second block 202 relative to one end of setting first block；Specifically it may refer to Fig. 4 b
It is shown.
It is described into bed limit switch S4 and to go out a limit switch S5 be normally closed switch；
It is described into bed limit switch S4 and to go out a limit switch S5 and be arranged on upper backup pad 103, it is separately positioned on institute
State the extreme position at the both ends of bed board horizontal motion stroke；That is S4 and S5 is wherein there are one being touched, then controller 300 is vertical
Control bed board stop motion.
When going out a bed limit switch S5 described in first block touching, it is described go out a limit switch S5 disconnect；When described
It is described to be disconnected into bed limit switch S4 when described in the touching of the second block into bed limit switch S4；
Described one end that magnetic resonance equipment vestibule is positioned close into bed limit switch S4, it is described go out a limit switch S5 set
It puts in one end far from magnetic resonance equipment vestibule；
The controller 300, during for confirming that patient bed self-test is normal, it is also necessary to determine it is described into bed limit switch S4 and
It is to be closed to go out an on off state of limit switch S5.
In addition, the equipment further includes：Bed shutdown switch S6 drops, and drop bed shutdown switch S6 is normally closed switch；
When the lifting arm is intersects lifting arm, the drop bed shutdown switch S6 is arranged on the lower supporting plate, when
When the bed board moves to the bottom of vertical direction self-test stroke, the first end touching drop bed for intersecting lifting arm stops
S6 is only switched, the drop bed shutdown switch S6 is disconnected；
Referring to Fig. 3 b, when 101 crisscross motion of transposition arm, one end of transposition arm 101 can move on lower supporting plate 102,
It is understood that when transposition arm 101 rises bed board, the distance between two lower branch arms of transposition arm 101 can become smaller, when
When bed board rises to the top of movement in vertical direction stroke, the distance between two lower branch arms of transposition arm 101 minimum.
The controller 300, when being additionally operable to confirm that patient bed self-test is normal, it is also necessary to determine the drop bed shutdown switch S6
On off state for be closed.
It should be noted that switch provided in an embodiment of the present invention includes normally closed switch and normal open switch, it is therefore an objective to save
The time of patient bed self-test.When controller 300, which detects all switches, is closure, just determine that patient bed is normal, due to normal
It has been normally off that make and break, which is closed when being failure to actuate, therefore, it is not necessary to which it is normally closed that patient bed is controlled to move to triggering in process of self-test
Switch motion only controls patient bed triggering normal open switch action.
In addition, the patient bed further includes：Horizontal driver 501, vertical driver 502 and encoder 600；
The motor includes horizontal motor 401 and motor vertical 402；
The horizontal driver 501, for the control instruction of control bed board horizontal movement for sending the controller 300
The horizontal motor 401 is sent to after being amplified；
The horizontal motor 401, for driving the bed board horizontal movement；
The vertical driver 502, for the control instruction of control bed board vertical movement for sending the controller 300
The motor vertical 402 is sent to after being amplified；
The motor vertical 402, for the bed board to be driven to move vertically；
The encoder 600, for acquiring the location information of the bed board and feeding back to the controller 300；
The controller 300, for bed board being controlled to carry out next step movement according to the location information.
In addition, equipment provided in an embodiment of the present invention, further includes：Host computer 700 and alarm 800；
The controller 300,, will when patient bed failure for the self-detection result of patient bed to be sent to host computer 700
The corresponding failure code of the failure is sent to host computer 700；
The host computer 700 for according to fault code lookup fault type and being shown, is additionally operable to control alarm
800 alarms, the failure code and fault type correspond.
It should be noted that failure code and the one-to-one relationship of fault type are prestored in host computer 700.Work as trouble
When person's bed breaks down, such as some switch fault or electrical fault, controller 300 send out the corresponding failure code of defective device
To host computer 700, host computer 700 searches the corresponding fault type of the failure code, and fault type is shown for life.It ties up in this way
The personnel of repairing in time can repair patient bed according to fault type, and the failure of patient bed is to show in the prior art
Failure code is unfavorable for maintenance personal and is overhauled in this way, and maintenance personal is needed first according to the fault code lookup pair of display
The fault type answered expends the time.
In addition, host computer 700 can also preserve the fault type of patient bed, so that maintenance personal subsequently consults.
Moreover, host computer 700 can also be for statistical analysis to fault type, analysis result can instruct patient bed to carry out
Curve guide impeller.
Illustrate self-checking equipment provided by the invention with reference to Fig. 4 a for detecting the process of patient bed.Need what is illustrated
It is that the position 1 in Fig. 4 a refers to the left side of near point switch, position 2 is referred between near point switch and origin switch.
After patient bed powers on, host computer 700, which is reminded, carries out patient bed self-test, passes through host computer 700 or patient bed control
Panel processed starts patient bed self-test：
First, it is determined that the current position of bed board in vertical direction, when the top not in vertical direction of bed board, control
Bed board is raised to topmost.
Then, the state of near point switch and origin switch is touched by the first block, it can be determined that in bed board horizontal direction
Position, if horizontal direction in fig.4 position 1 when, the first block will not touch near point switch, therefore corresponding near point at this time
The state of switch is to disconnect, and needs that bed board is controlled to move to the right, and after the first block touching near point switch, near point switch closes
It closes, the speed of bed board is switched to low speed by controller 300, and bed board is moved with low speed to origin switch, when the first block touches
After origin switch, origin switch is closed, controller control bed board stop motion.If bed board horizontal direction is in position 2, bed
Plate is first to left movement, and after near point switch disconnects, bed board, which slows down, to be stopped, and after delay predetermined time, bed board moves right again, when
After first block touching near point switch, near point switch is closed, and the speed of bed board is switched to low speed by controller, bed board with low speed to
Origin switch moves, and after bed board is pressed onto origin switch, origin switch is closed, controller control bed board stop motion.
At this point, controller acquisition horizontal driver, vertical driver, encoder, into bed limit switch (normally closed), go out bed limit
Bit switch (normally closed), origin switch (normally opened), rises bed shutdown switch (normally opened), drop bed shutdown switch (often near point switch (normally opened)
Close) status signal, whether controller judge current patents' bed in available state according to status signal, and controller is by self-test
Result afterwards uploads to host computer, and doctor understands the state of the patient bed after self-test by host computer.
Based on above example provide self-checking equipment, the embodiment of the present invention also provide it is a kind of based on the self-checking equipment from
Detecting method is described in detail below in conjunction with the accompanying drawings.
Embodiment of the method one：
Referring to Fig. 5, which is one flow chart of embodiment of self checking method provided by the invention.
The self checking method of self-checking equipment provided in this embodiment based on above example, including：
501：Judge that whether bed board is in vertical direction self-test row after the power is turned on by the on off state for rising bed shutdown switch
The top of journey；If it is not, then performing 502, otherwise perform 503.
502：Control bed board is moved upwardly until that the detection liter bed shutdown switch is closed in vertical direction；
503：Judging the bed board by the on off state of the origin switch, in the horizontal direction whether self-test stroke stops
Stop bit is put, and if it is self-test is completed, if otherwise controlling direction horizontal movement of the bed board to the separate origin switch,
Bed board is controlled to be closed to the direction horizontal movement close to origin switch until detecting the origin switch again；
504：The patient bed self-test is confirmed when judging that the liter bed shutdown switch is closed and the origin switch is closed
Normally.
The liter bed shutdown switch set in the present embodiment using the top of bed board movement in vertical direction stroke, and rise bed and stop
Only switch is normal open switch, can judge bed board by a liter on off state for bed shutdown switch in this way in the position of vertical direction,
When controller judge rise bed shutdown switch for it is normally opened when, illustrate that bed board in the top of vertical direction, does not need to control during self-test
Bed board upward vertical movement, until controller detects liter bed shutdown switch to be closed.In addition, controller passes through in the horizontal direction
The state of acquisition origin switch judges the position of bed board.
In another embodiment of the method provided by the invention, when controlling the bed board to the side far from the origin switch
To during horizontal movement, then control bed board to the direction horizontal movement close to origin switch until touching the origin switch, specifically
Including：
When first block touches the near point switch, the near point switch is closed；When first block is touched
During the origin switch, the origin switch is closed；
It is described the bed board movement to be controlled to be specifically included until origin switch closure by the controller：
When judging the state of the near point switch to disconnect, control bed board, which is switched near point to origin switch direction, to be moved
When, the state of the near point switch is acquired to be closed, then deceleration control instruction is sent to the motor, so that motor drives bed board
Slow down and move the state until the origin switch to be closed to the origin switch direction；
When judging the state of the near point switch to be closed, the direction that control bed board is switched from origin direction near point is transported
Dynamic, when the state of near point switch is disconnects, control bed board moves the shape switched until near point to the direction of origin switch
State then sends deceleration control instruction to be closed to the motor, so that motor driving bed board slows down to the origin switch direction
The state until the origin switch is moved to be closed
With reference to figure 4, method provided in this embodiment is when bed board is located at position 2, first controls bed board to left movement, movement
To touching near point switch, then stop that bed board is controlled to continue to left movement.Then control bed board moves right, and is opened when touching near point
Guan Shi, control bed board deceleration continue to move right, when bed board touches origin switch, control bed board stop motion, complete self-test
Process.
In addition, the embodiment of the present invention provides a kind of patient bed, which includes the self-checking equipment that above example provides.
The self-checking equipment that the patient bed can utilize above example to provide completes self-test, in addition, can specifically utilize above example
The method of offer carries out self-test.
It should be noted that the patient bed can be applied to magnetic resonance equipment.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention.Though
So the present invention is disclosed above with preferred embodiment, however is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every without departing from
The content of technical solution of the present invention, it is any simple modification made to the above embodiment of technical spirit according to the present invention, equivalent
Variation and modification, still fall within technical solution of the present invention protection in the range of.
Claims (10)
1. the power-on self-test equipment of a kind of patient bed, which is characterized in that applied to patient bed, which includes：Bed stopping is risen to open
Pass and origin switch；
The patient bed includes bed body, bed board, controller and motor, and the bed body includes lifting arm, lower supporting plate and upper support
Plate；The lower supporting plate is fixed on ground, and the first end of the lifting arm is arranged on the lower supporting plate, the lifting arm
Two ends connect the upper backup pad, and the bed board can be moved along the upper backup pad horizontal direction；The lifting arm is for liter
It drops that the bed board is driven to move in vertical direction；
The controller for sending control instruction to the motor, indicates that the motor drives the bed board movement；It is additionally operable to
The on off state of the liter bed shutdown switch and origin switch is acquired, determines whether the bed board moves in place；
The liter bed shutdown switch is normal open switch；
The liter bed shutdown switch, is closed for being moved to when the bed board during the top of vertical direction self-test stroke；It is described
Controller controls the movement of the bed board stopping vertical direction；
The origin switch is normal open switch；
The origin switch is closed, the controller for being moved to when the bed board during stop position of horizontal self-test stroke
Bed board is controlled to stop the movement of horizontal direction；
The controller judges to confirm the patient bed self-test when liter bed shutdown switch is closed and the origin switch is closed
Normally.
2. the power-on self-test equipment of patient bed according to claim 1, which is characterized in that the lifting arm is lifted to intersect
Arm；
The liter bed shutdown switch is arranged on the lower supporting plate；
When the bed board moves to the top of vertical direction self-test stroke, described in the first end touching for intersecting lifting arm
Bed shutdown switch is risen, the liter bed shutdown switch is closed；
Or,
The lifting arm is vertical lift arm；
The liter bed shutdown switch is arranged on the vertical telescopic lifting arm；
When the bed board moves to the top of vertical direction self-test stroke, the vertical telescopic lifting arm touches the liter bed
Shutdown switch, the liter bed shutdown switch are closed.
3. the power-on self-test equipment of patient bed according to claim 1, which is characterized in that the equipment further includes：Near point is opened
It closes；
The origin switch is arranged on one end far from magnetic resonance equipment vestibule on upper backup pad；The near point switch and the original
Point switch is arranged on the upper backup pad, and near point switch is arranged on the origin switch and magnetic resonance equipment vestibule
Between, the near point switch is spaced a predetermined distance with origin switch；
The one end of the bed board far from magnetic resonance equipment vestibule and relative to upper backup pad one side be equipped with the first block；
When first block touches the near point switch, the near point switch is closed；When described in first block touching
During origin switch, the origin switch is closed；
The controller during for judging the state of near point switch to disconnect, controlling bed board to be switched near point to origin and opening
Direction movement is closed, when collecting the state of the near point switch to be closed, deceleration control instruction is sent to the motor, so that
Motor driving bed board slows down moves the state until the origin switch to be closed to the origin switch direction；It is additionally operable to judge
When the state of the near point switch is is closed, the direction that control bed board is switched from origin direction near point moves, when the near point
When the state of switch is disconnects, it is closure that control bed board, which move state switch until near point to the direction of origin switch, then to
The motor sends deceleration control instruction, is moved so that motor driving bed board slows down to the origin switch direction until the original
The state of point switch is is closed.
4. the power-on self-test equipment of patient bed according to claim 3, which is characterized in that the equipment further includes：It is limited into bed
Bit switch and go out a limit switch；The bed board is equipped with the second block relative to one end of setting first block；
It is described into bed limit switch and to go out a limit switch be normally closed switch；
It is described into bed limit switch and to go out a limit switch and be arranged on the upper backup pad, and be separately positioned on the bed board
The extreme position at the both ends of horizontal motion stroke；
Described one end that magnetic resonance equipment vestibule is positioned close into bed limit switch, it is described go out a limit switch be arranged far from
One end of magnetic resonance equipment vestibule；
When going out a bed limit switch described in first block touching, it is described go out a limit switch disconnect；When second block
It is described to be disconnected into bed limit switch when described in touching into bed limit switch；
The controller, during for confirming that patient bed self-test is normal, it is also necessary to determine described into bed limit switch and to go out bed limiting
The on off state of switch is to be closed.
5. the power-on self-test equipment of patient bed according to claim 2, which is characterized in that the equipment further includes：Drop bed stops
Only switch；
The drop bed shutdown switch is normally closed switch；
When the lifting arm is intersects lifting arm, the drop bed shutdown switch is arranged on the lower supporting plate, when the bed
When plate moves to the bottom of vertical direction self-test stroke, the first end touching drop bed stopping for intersecting lifting arm is opened
It closes, the drop bed shutdown switch disconnects；
The controller, when being additionally operable to confirm that patient bed self-test is normal, it is also necessary to determine the switch shape of the drop bed shutdown switch
State is is closed.
6. the power-on self-test equipment of patient bed according to claim 5, which is characterized in that the patient bed further includes：Water
Flat driver, vertical driver and encoder；
The motor includes horizontal motor and motor vertical；
The horizontal driver, after the control instruction of control bed board horizontal movement for the controller to be sent is amplified
It is sent to the horizontal motor；
The horizontal motor, for driving the bed board horizontal movement；
The vertical driver, after the control instruction of control bed board vertical movement for the controller to be sent is amplified
It is sent to the motor vertical；
The motor vertical, for the bed board to be driven to move vertically；
The encoder, for acquiring the location information of the bed board and feeding back to the controller；
The controller, for bed board being controlled to carry out next step movement according to the location information.
7. the power-on self-test equipment of patient bed according to claim 6, which is characterized in that the equipment further includes：Host computer
And alarm；
For the self-detection result of patient bed to be sent to host computer, when patient bed failure, which is corresponded to for the controller
Failure code be sent to host computer；
The host computer for according to fault code lookup fault type and being shown, is additionally operable to control alarm equipment alarm, institute
It states failure code and fault type corresponds.
8. a kind of self checking method based on self-checking equipment described in claim 1, which is characterized in that including：
Judge that whether bed board is in the most upper of vertical direction self-test stroke after the power is turned on by the on off state for rising bed shutdown switch
End；
If it is not, then control bed board is moved upwardly until that the detection liter bed shutdown switch is closed in vertical direction；
If it is, judging the bed board by the on off state of the origin switch, in the horizontal direction whether self-test stroke stops
Stop bit is put, and if it is self-test is completed, if otherwise controlling the bed board horizontal movement until the original by the controller
Point switch is closed；
Confirm that the patient bed self-test is normal when judging that the liter bed shutdown switch is closed and the origin switch is closed.
9. self checking method according to claim 8, which is characterized in that described when the equipment further includes near point switch
Near point switchs and the origin switch is arranged on the upper backup pad, and near point switch is arranged on the origin switch
Between magnetic resonance equipment vestibule, the near point switch is spaced a predetermined distance with origin switch；The near point switch is opened to be normally opened
It closes, when the bed board touches the near point switch, the near point switch is closed；
The bed board is equipped with the first block close to one end of the origin switch and relative to the one side of upper backup pad；
When first block touches the near point switch, the near point switch is closed；When described in first block touching
During origin switch, the origin switch is closed；
It is described the bed board movement to be controlled to be specifically included until origin switch closure by the controller：
When judging the state of near point switch to disconnect, control bed board near point switch to origin switch direction move when,
The state of the near point switch is acquired to be closed, then sends deceleration control instruction to the motor, so that motor driving bed board subtracts
Speed moves the state until the origin switch to be closed to the origin switch direction；
When judging the state of the near point switch to be closed, the direction that control bed board is switched from origin direction near point moves,
When the state of near point switch is disconnects, control bed board is moved to the direction of origin switch until the state that near point switchs is
It is closed, then sends deceleration control instruction to the motor, moved so that motor driving bed board slows down to the origin switch direction
Until the state of the origin switch is is closed.
10. a kind of patient bed, which is characterized in that including claim 1-7 any one of them self-checking equipments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611093578.1A CN108125682B (en) | 2016-12-01 | 2016-12-01 | Power-on self-test equipment and method for patient bed and patient bed |
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| CN201611093578.1A CN108125682B (en) | 2016-12-01 | 2016-12-01 | Power-on self-test equipment and method for patient bed and patient bed |
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| CN108125682B CN108125682B (en) | 2021-05-25 |
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| CN115968075A (en) * | 2022-12-26 | 2023-04-14 | 天津大学 | Intelligent illumination system for cultural relic illumination and control method thereof |
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| CN108125682B (en) | 2021-05-25 |
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