Summary of the invention
For the problems referred to above, the object of the invention is to overcome the deficiencies in the prior art, a kind of infusion pump of motor-driven control switch pump door is provided, it has the effect automatically controlled, when opening or closing pump door operation, save manpower, convenient to operation, and infusion pump will be toppled over because of operation external force, and staff can not be clamped when closing pump door.
In order to solve the problems of the technologies described above, the invention provides a kind of infusion pump of motor-driven control switch pump door, it comprise middle plate and with this in the hinged pump door of plate, this infusion pump also comprises the control module be arranged in this on plate, motor, deceleration device, driving member, fastener and position detecting device, this control module controls startup and the stopping of described motor, this motor is connected with described driving member by deceleration device, and drive this driving member to rotate, this fastener is located on described driving member, and rotate along with this driving member, this position detecting device detects the turned position of this driving member and the state of described pump door, described position detecting device comprises signal trigger member and signal detection part, described signal trigger member is a dark slide, this signal detection part is a photoswitch assembly, this dark slide is sheathed on described driving member, and rotate along with the rotation of this driving member, this photoswitch assembly comprises and is installed in the first photoswitch on described middle plate and the second photoswitch, described pump door comprises holding piece, this holding piece coordinates to close with described fastener or opens this pump door, when this driving member of this driven by motor turns to a primary importance or a second position, this first photoswitch and the second photoswitch expose this dark slide along with the rotation of described dark slide or cover by this dark slide, this pump door is in closure state or open mode, described position detecting device sends corresponding signal to described control module, and this control module controls described motor stalls.
Wherein, described first photoswitch and the second photoswitch are photo-coupler, described dark slide along with this driving member turn to primary importance time, this first photoswitch exposes described dark slide, and send and control signal to described control module accordingly, described dark slide along with described driving member turn to the second position time, this second photoswitch exposes described dark slide, and send corresponding control information to described control module, to control described motor stalls.
Wherein, described signal detection part can be in optocoupler, Hall element, coding disk, touch-switch and microswitch any one or its combination, it is for detecting the state of described pump door.
Wherein, described signal trigger member is a dark slide, this signal detection part is a photoswitch, when this signal trigger member turns to initial position along with described driving member, the signal of this signal detection part is in blocking state, when this signal trigger member turns to assigned address along with this driving member, this signal detection part sends corresponding detection signal to described control module, and this control module controls described motor stalls.
Wherein, described infusion pump also comprises control button and switch, the position of this control button corresponds to the installation site of described switch, this switch is for triggering described control module, when described control button is depressed, this control button is by described switch opens, and this switch sends triggering signal to described control module, and this control module controls described electric motor starting and rotates.
Wherein, described pump door also comprises door opening key and projection, this door opening key and above-mentioned control module are electrically connected, it is for opening described pump door, the installation site of described projection corresponds to the installation site of described control button, this control button of this bump contact, and by described control button pressure to open described switch.
Wherein, described control button protrudes from the height sum that the height of plate in this and described projection protrude from this pump door and is less than or equal to 10 millimeters.
Wherein, described middle plate offers knocker hole, the position of offering in this knocker hole corresponds to the installation site of described fastener, described holding piece is through described knocker hole, and expose this knocker hole, this holding piece offers draw-in groove, and described fastener can move into this draw-in groove along with the rotation of above-mentioned driving member, or shifts out in this draw-in groove.
Wherein, described pump door is also provided with magnetic part, described middle plate is also provided with Hall element, this magnetic part produces a magnetic field, and the installation site of this Hall element corresponds to the installation site of described magnetic part, and detects magnetic field and the changes of magnetic field thereof of this magnetic part, after described pump door is closed completely, this Hall element detects the magnetic field of described magnetic part, and sends corresponding signal, to confirm that described pump door is closed.
Wherein, described deceleration device be in worm and gear reduction assemblies, reduction gear component, belt wheel reduction assemblies and chain sprocket decelerating assembly any one or its combination, described fastener is an arc hook arrangement.
Wherein, described middle plate is also provided with some bearing shells, and described driving member is arranged on described bearing shell, and remains on original position rotation.
In the infusion pump of motor-driven control switch pump door provided by the invention, in the process opening and closing described pump door, realize automatically opening and closing described pump door by devices such as described motor, deceleration device, driving member, fastener and position detecting devices, namely only need press the correlation function button on this pump door when opening this pump door, then this pump door is just opened automatically.When closing described pump door, only this pump door need be moved to the position of pressure correlation function button, then described pump door is just closed automatically.Therefore the infusion pump of motor-driven control switch pump door of the present invention saves manpower greatly, avoids and because manpower is excessive, infusion pump is toppled over, and operation is also very convenient, significantly improves work efficiency.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, the present invention is the infusion pump 100 that embodiment provides a kind of motor-driven control switch pump door, it comprise middle plate 10 and with this in the pump door 30 that is hinged of plate 10.The roughly rectangular plate body shape of described middle plate 10 entirety, the roughly rectangular plate body shape of this pump door 30 entirety, and can open or close relative to plate in this 10.
The infusion pump 100 of described motor-driven control switch pump door also comprises control module (not shown), motor 11, deceleration device 12, driving member 13, fastener 14, position detecting device 15, controls button 17 and switch 18.This control module, motor 11, deceleration device 12, driving member 13, fastener 14, position detecting device 15, control button 17 and switch 18 are arranged on described middle plate 10.
Described control module can be the control system of a man-machine interaction, and it is for controlling startup and the stopping of described motor 11, the also rotating speed of this motor 11 of adjustable.Described motor 11 is connected with described driving member 13 by this deceleration device 12, and provides power for this driving member 13, rotates to drive this driving member 13.In embodiments of the present invention, this motor 11 can adopt motor, and its controllability is strong, so that increase the safety and reliability of operation control.
In embodiments of the present invention, described driving member 13 entirety is roughly in cylindrical shape, and it is removably fixed on described middle plate 10 by some bearing shells 21, and can rotate in this bearing shell 21.Described fastener 14 entirety is roughly in circular lamellar body, and it can be sheathed on described driving member 13, and can rotate along with the rotation of this driving member 13.In embodiments of the present invention, this fastener 14 can be, but is not limited to, and door hooks.
Described position detecting device 15 is for the state of the turned position and this pump door 30 of detecting described driving member 13, and it comprises signal trigger member and signal detection part, and this signal trigger member is installed on described driving member 13, and can rotate along with the rotation of this driving member 13.Described signal detection part is installed on described middle plate 10, and coordinates with this signal trigger member the turned position detecting described driving member 13.In embodiments of the present invention, described signal trigger member can be a dark slide 151, and this signal detection part can be a photoswitch assembly 152.The fan-shaped plate body of this dark slide 151 entirety roughly in center drilling, it can be sheathed on described driving member 13, and can rotate along with the rotation of this driving member 13.Described photoswitch assembly 152 coordinates the rotation of described dark slide 151 to detect the turned position of described driving member 13.
In embodiments of the present invention, this photoswitch assembly 152 comprises the first photoswitch 161 and the second photoswitch 163, this first photoswitch 161 and the second photoswitch 163 are installed on described middle plate 10, and can expose this dark slide 151 along with the rotation of described dark slide 151 or be covered by this dark slide 151.This first photoswitch 161 and the second photoswitch 163 for detecting the turned position of described driving member 13, and control signal to described control module accordingly according to testing result transmission, and this control module then controls described motor 11 and starts and stop.In embodiments of the present invention, described first photoswitch 161 and the second photoswitch 163 can be photo-coupler (opticalcoupler).
In other embodiments, described signal detection part can be in optocoupler, Hall element, coding disk, touch-switch and microswitch any one or its combination, it is for detecting the state of described pump door.
The position of described control button 17 corresponds to the installation site of described switch 18, and this switch 18 is for triggering described control module.When described control button 17 is depressed, described switch 18 is opened by this control button 17, and this switch 18 sends triggering signal to described control module, and this control module controls described motor 11 and starts and rotate.Described middle plate 10 also offers knocker hole 19, and the position of offering in this knocker hole 19 corresponds to the installation site of described fastener 14.
Described pump door 30 comprises door opening key (not shown), projection 31 and holding piece 32, and this door opening key and above-mentioned control module are electrically connected, and it is for opening described pump door 30.The installation site of described projection 31 corresponds to the installation site of described control button 17, and in the process that described pump door 30 is closed, this projection 31 contacts this control button 17, and described control button 17 can be depressed.Described holding piece 32 can pass described knocker hole 19, and exposes this knocker hole 19.In embodiments of the present invention, this holding piece 32 can be a knocker, it offers draw-in groove 322, and described fastener 14 can move in this draw-in groove 322 along with the rotation of above-mentioned driving member 13, or shifts out in this draw-in groove 322.In embodiments of the present invention, described control button protrudes from the height sum that the height of plate 10 in this and described projection 31 protrude from this pump door 30 and is less than or equal to 10 millimeters.
See also Fig. 4 and Fig. 5, when described pump door 30 be in non-fully open or non-fully closure state time, described dark slide 151 shelters from described first photoswitch 161 and the second photoswitch 163, thus blocks the signal (as optical signal) that described first photoswitch 161 and the second photoswitch 163 transmit respectively.When described pump door 30 is in closure state (when described dark slide 151 turns to a primary importance along with this driving member 13), dark slide 151 as described in one of them photoswitch (as the first photoswitch 161) exposes, and send and control signal to described control module accordingly, another photoswitch (as the second photoswitch 163) by as described in dark slide 151 cover its signal be blocked, thus stop sending controlling signal to described control module.When described pump door 30 is in open mode (when described dark slide 151 turns to a second position along with described driving member 13), as described in one of them photoswitch (as the second photoswitch 161) exposes, dark slide 151 makes its signal communication, and send corresponding control information to described control module, another photoswitch (as the first photoswitch 161) by as described in dark slide 151 cover its signal be blocked, thus described control module cannot be sent a control signal to.
See also Fig. 6 and Fig. 8, when closing described pump door 30, promote described pump door 30, when this control button 17 is depressed by described projection 31, described switch 18 is opened by this control button 17, this switch 18 sends triggering signal to described control module, this control module controls described motor 11 and starts and rotate to a direction (as clockwise), after this motor 11 is slowed down by described deceleration device 12, drive described driving member 13 to rotate (as clockwise) simultaneously, described fastener 14 then on this driving member 13 rotates (as clockwise) along with this driving member 13 simultaneously.Now, holding piece on described pump door 30 32 is through the knocker hole 19 on described middle plate 10, and the fastener 14 on described driving member 13 snaps in the draw-in groove 322 on this holding piece 32, and holding piece 32 described in fastening gradually.Simultaneously, described dark slide 151 is rotated (during as clockwise turned to primary importance) together along with this driving member 13, described first photoswitch 161 exposes this dark slide 151, and described second photoswitch 163 is covered by this dark slide 151, represents that described pump door 30 is closed.Now, this first photoswitch 161 transmits control signal to described control module, and this control module controls motor 11 and stops operating, and can complete the action of closing described pump door 30.
See also Fig. 7 and Fig. 9, when opening described pump door 30, press the door opening key on described pump door 30, described control module controls motor 11 and starts and carry out (as counterclockwise) rotation in the other direction, described motor 11 drives (as the counter clockwise direction) rotation in the other direction simultaneously of described driving member 13 after being slowed down by described deceleration device 12, then the fastener 14 on this driving member 13 is along with (as the counterclockwise) rotation in the other direction simultaneously of this driving member 13.Now, the fastener 14 on described driving member 13 shifts out in the draw-in groove 322 on the holding piece 32 described pump door 30, thus this pump door 30 is opened.Simultaneously, described dark slide 151 is rotated (during as counterclockwise turned to the second position) together along with this driving member 13, described second photoswitch 161 exposes this dark slide 151, described first photoswitch 163 is covered by this dark slide 151 and its signal is blocked, thus described control module cannot be sent a control signal to, represent that described pump door 30 is opened.Now, this second photoswitch 163 transmits control signal to described control module, and this control module controls motor 11 and stops operating, and can complete the action of opening described pump door 30.
In embodiments of the present invention, the present invention why described control button 17 is protruded with this in the height of plate 10 and described projection 31 height that protrudes from this pump door 30 be arranged to be less than or equal to 10 millimeters, because the thickness of the finger of people is generally greater than 10 millimeters, so, in the process of closing described pump door 30, if staff does not shift out from the gap between described pump door 30 and middle plate 10, then when this pump door 30 pushes down staff, gap between described pump door 30 and middle plate 10 is greater than 10 millimeters, make the projection 31 on this pump door 30 cannot touch control button 17 on described middle plate 10.Therefore, described motor 11 also just cannot start, and described pump door 30 also just cannot be closed automatically, thus ensure that described pump door 30 and middle plate 10 can not clamp staff, and then safety when ensure that operation.
In other embodiments, this fastener 14 can also be the molectron of wheel and rack, and this gear is installed on described driving member 13, and this tooth bar is installed in described middle plate 10 surface slidably, this gear is meshed with this tooth bar, and this tooth bar can be driven to move relative to described middle plate 10.The front end of this tooth bar is wedge shape, described driving member 13 rotates and drives this gear correspondingly to rotate, the tapered end of tooth bar described in this gear driven is inserted in the draw-in groove 322 on described holding piece 32, or shifts out in this draw-in groove 322, to realize the closedown of described pump door 30 or to open.
In addition, in the infusion pump 100 of motor-driven control switch pump door provided by the invention, in the process opening and closing described pump door 30, realize automatically opening and closing described pump door 30 by described motor 11, deceleration device 12, driving member 13, fastener 14, position detecting device 15, device such as control button 17 and switch 18 etc., namely only need press the door opening key on this pump door 30 when opening this pump door 30, then this pump door 30 is just opened automatically.When closing described pump door 30, only this pump door 30 need be moved to the position of press control button 17, then described pump door 30 is just closed automatically.Therefore the infusion pump 100 of motor-driven control switch pump door of the present invention saves manpower greatly, avoids and because manpower is excessive, infusion pump is toppled over, and operation is also very convenient, significantly improves work efficiency.
As shown in Figure 3, 8 and 9, in embodiments of the present invention, described fastener 14 is an arc hook arrangement, this fastener 14 is specifically set to arc hook arrangement, then, when closing described pump door 30, described driving member 13 rotates (as shown in Figure 8) clockwise, described fastener 14 enters in the draw-in groove 322 on described holding piece 32 along with the rotation of this driving member 13, now, this fastener 14 and holding piece 32 are connected together, thus described pump door 30 is linked closely with this on plate 10.When opening described pump door 30, described driving member 13 counterclockwise rotates (as shown in Figure 9), described fastener 14 is deviate from along with the rotation of this driving member 13 in the draw-in groove 322 described holding piece 32, now, this fastener 14 is separated with described holding piece 32, thus is opened by described pump door 30, now, pull out described pump door 30, this pump door 30 can easily open larger angle.
As shown in Figures 2 and 3, in embodiments of the present invention, described bearing shell 21 is installed on described middle plate 10, this bearing shell 21 is sheathed on described driving member 13, this driving member 13 is played to the effect of location, make this driving member 13 can remain on original position to rotate, and prevent this driving member 13 from rotation process, producing skew.
As shown in Figures 2 and 3, as the preferred embodiments of the present invention, described deceleration device 12 is worm and gear reduction assemblies, certainly in other embodiments, deceleration device 12 also can be any one or its combination in the common reduction assemblies such as reduction gear component, belt wheel reduction assemblies and chain sprocket decelerating assembly.
As shown in Figure 3, as the preferred embodiments of the present invention, described pump door 30 is also provided with magnetic part 33, described middle plate 10 is also provided with Hall element 25.This magnetic part 33 can be a Magnet, and it can produce a magnetic field; This Hall element 25 is specifically installed in a mounting groove 26 that described middle plate 10 is offered, and the installation site of this Hall element 25 corresponds to the installation site of described magnetic part 33, and can detect magnetic field and the changes of magnetic field thereof of this magnetic part 33.After described pump door 30 is closed completely, the distance between described magnetic part 33 and this Hall element 25 is the shortest, and now, this Hall element 25 detects the magnetic field of described magnetic part 33, and sends corresponding signal, to confirm that described pump door 30 is closed.After this pump door 30 shuts, described control module just can control infusion pump and normally work; If this pump door 30 does not shut, infusion pump would not start.Certainly, in other embodiments, described Hall element 25 also can be replaced by the convectional signals such as microswitch, photoswitch detection means with magnetic part 33, can serve the same role equally.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.