CN209004885U - A kind of micro-infusion pump driving device - Google Patents
A kind of micro-infusion pump driving device Download PDFInfo
- Publication number
- CN209004885U CN209004885U CN201821255235.5U CN201821255235U CN209004885U CN 209004885 U CN209004885 U CN 209004885U CN 201821255235 U CN201821255235 U CN 201821255235U CN 209004885 U CN209004885 U CN 209004885U
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- micro
- shell
- infusion pump
- photoelectric sensor
- driving device
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Abstract
The utility model discloses a kind of micro-infusion pump driving devices, outside including shell is equipped with key and display screen, the inner cavity lower part of shell is equipped with battery, four groups of driving units and control unit, every group of driving unit include driving motor, are installed with driving wheel on the axis of driving motor, shaft is vertically arranged between two side plates, driven wheel, cam and grating disc are successively installed on shaft, driven wheel is meshed with driving wheel, against there is push rod moving up and down above cam；Control unit includes photoelectric sensor, the rotation of the photoelectric sensor gate hole number control driving motor of grating disc based on the received；Photoelectric sensor is connect with the intracorporal controller of shell, the gate hole number that controller passes through key-press input parameter and rotates Parameter Switch at grating disc, and the gate hole number of rotation is sent to photoelectric sensor.The utility model have the advantages that reservoir quantity output accuracy is high, medical fluid output pulsation is small, amount of infusion can sets itself.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to a kind of micro-infusion pump driving device.
Background technique
Infusion is that intracorporal large bolus injection liquid is inputted by intravenous drip.Be packaged in glass or plastic infusion bottle or
In bag, by infusion apparatus adjustment drop speed when use, continue and steadily enter vein, to supplement body fluid, electrolyte or offer battalion
Support substance.Since its dosage is big and is to be directly entered blood, therefore quality requirement is high.
Under normal circumstances, adult's transfusion speed is 40-60 drops/minute, the transfusion speed of children be 20-40 drops/point
40 drops/minute is not to be exceeded in clock, the elderly's transfusion speed.Some particular patients 's, such as have a heart disease or pulmonary disease person, infusion
Speed should more slow down, and 30-40 drops/minute is advisable.
If being infused excessive velocities, Yi Jiachong heart burden causes the adverse reactions such as heart failure or pulmonary edema.It is too fast, it can draw
Play blood pressure decline, increased heart rate is even fainted.
Time-consuming by traditional manual injection, waste of manpower, in order to solve these problems, automated injection device occurs, but
Existing automated injection device is to realize automatic injection function by the relative displacement between control syringe and push rod, displacement
Change is to drive to realize by stepper motor, but stepper motor has the problems such as losing step, step-out, so as to cause fluid injection accuracy of measurement
It is not high, medical fluid output pulsation is larger, influence therapeutic effect.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of drivings of micro-infusion pump to fill
Set, have the advantages that reservoir quantity output accuracy is high, medical fluid output pulsation is small, amount of infusion can sets itself.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of micro-infusion pump drives
Dynamic device, including shell, battery, four groups of driving units and control unit；
The outside of the shell is equipped with key and display screen, and the inner cavity lower part of the shell is equipped with battery；
The size structure of driving unit described in four groups is all the same, and driving unit described in every group includes being arranged on the battery
The driving motor of side, laterally fixed U-shaped fixing seat, the U-shaped fixing seat include that bottom plate and two are parallel for the shell upper end
Side plate is preset with the hole that the axis of the driving motor passes through on the bottom plate, is installed with driving wheel on the axis of the driving motor,
It is vertically arranged shaft between two side plates, driven wheel, cam and grating disc are successively installed on the shaft, it is described driven
Wheel is meshed with the driving wheel, and against there is push rod moving up and down above the cam, the push rod is set in the shell
The roof of body；
Described control unit include along the grating disc radially opposite sides be equipped with the bottom plate be connected photoelectric sensor,
The grating disc outer rim is peripherally disposed multiple gate hole, the mobile number of the photoelectric sensor detection light gate hole, root
The rotation of the driving motor is controlled according to the received gate hole number；The photoelectric sensor and the intracorporal controller of shell connect
It connects, the gate hole number that the controller passes through key-press input parameter and rotates the Parameter Switch at the grating disc, and will
The gate hole number of rotation is sent to the photoelectric sensor.
Above-mentioned micro-infusion pump driving device, wherein further include memory, the memory and the controller connect
It connects, for storing the received control instruction of the controller.
Above-mentioned micro-infusion pump driving device, wherein the photoelectric sensor is corresponding to the gate hole.
Above-mentioned micro-infusion pump driving device, wherein the photoelectric sensor is groove type photoelectric switch pipe.
Above-mentioned micro-infusion pump driving device, wherein the driving motor is direct current generator.
Above-mentioned micro-infusion pump driving device, wherein the driving wheel and driven wheel are bevel gear.
Above-mentioned micro-infusion pump driving device, wherein the shell lower end is additionally provided with usb mouthfuls.
Above-mentioned micro-infusion pump driving device, wherein be additionally provided with alarm module in the shell, the alarm module with
The controller connection.
Above-mentioned micro-infusion pump driving device, wherein the controller is single chip computer AT MEG32L.
Technical effect acquired by the utility model: reservoir quantity output accuracy is high, medical fluid output pulsation is small, amount of infusion can oneself
Row setting.
In conclusion the utility model has the following beneficial effects: the micro-infusion pump driving device uses direct current generator
The change that transmission direction is carried out by a pair of of bevel gear inputs relevant parameter according to keyboard and obtains grating disc turn by controller
Dynamic grating number, and the rotation of the grating number control direct current generator according to grating disc rotation, so that the movement of push rod is controlled,
The structure make the movement of push rod is steady, fluctuation is small, can also according to different infusion requirements, can freely adjust amount of infusion and when
Between.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the perspective view of the utility model removal shell；
Fig. 3 is the structural schematic diagram of the utility model removal shell.
Appended drawing reference: 1, shell；11, key；12, display screen；13, usb mouthfuls；14, roof；2, battery；3, driving motor；
31, driving wheel；4, fixing seat；41, bottom plate；42, side plate；5, shaft；51, driven wheel；52, cam；53, grating disc；531, grid
Hole；6, push rod；7, photoelectric sensor.
Specific embodiment
A kind of micro-infusion pump driving device of the utility model, including shell 1,2, four groups of driving units of battery and control are single
Member；
The outside of shell 1 is equipped with key 11 and display screen 12, and the inner cavity lower part of shell 1 is equipped with battery 2；
The size structure of four groups of driving units is all the same, and every group of driving unit includes that driving motor is arranged above battery 2
3, the lateral fixed U-shaped fixing seat 4 in 1 upper end of shell, U-shaped fixing seat 4 includes the side plate 42 parallel with two of bottom plate 41, on bottom plate 41
It is preset with the hole that the axis of driving motor 3 passes through, is installed with driving wheel 31 on the axis of driving motor 3, it is vertical between two side plates 42
It is arranged shaft 5, driven wheel 51, cam 52 and grating disc 53 are successively installed on shaft 5, driven wheel 51 is nibbled with 31 phase of driving wheel
It closes, for 52 top of cam against there is push rod 6 moving up and down, push rod 6 is set in the roof 14 of shell 1；
Control unit includes the radially opposite sides along grating disc 53 equipped with the photoelectric sensor 7 being connected with bottom plate 41, grating disc
53 outer rims are peripherally disposed multiple gate hole 531, the mobile number of 7 detection light gate hole 531 of photoelectric sensor, according to reception
The rotation of driving motor 3 is controlled to the number of gate hole 531；Controller (being not drawn into figure) in photoelectric sensor 7 and shell 1
Connection, the number of gate hole 531 that controller inputs parameter by key 11 and rotates Parameter Switch at grating disc 53, and will turn
The number of dynamic gate hole 531 is sent to photoelectric sensor 7.
The utility model further includes memory, and memory is connect with controller, is referred to for the received control of storage control
It enables.
Photoelectric sensor 7 is corresponding to gate hole 531, and photoelectric sensor 7 is groove type photoelectric switch pipe, the light in the utility model
Electric switch pipe uses QVE00039, and the luminous end of optoelectronic switch pipe and receiving end are respectively placed in 53 two sides of grating disc, when rotation
When grating hole 531 is located by luminous end and receiving end are opposite, the light that luminous end issues leads directly to receiving end, and photoelectric sensor 7 is defeated
First signal out；When grating hole 531 continues to rotate, grating disc 53 is by the light path obstruction between luminous end and receiving end, photoelectric transfer
Sensor 7 exports the second signal different from the first signal, such as the first signal is low level, then second signal is high level, with
The rotation of grating disc 53, the signal that photoelectric sensor 7 exports be the pulse signal that continuously switches of low and high level.
Driving motor 3 preferably uses direct current generator.Driving wheel 31 and the preferred bevel gear of driven wheel 51 pass through bevel gear reality
The change of existing transmission direction.
1 lower end of shell is additionally provided with usb mouth 13, for charging to battery 2.
Alarm module is additionally provided in shell 1, alarm module is connect with controller, when 2 under-voltage of battery, alarm module
It can prompt undervoltage warning.
As shown in figure 3, the course of work of the utility model is as follows:
Controller preferably uses single chip computer AT MEG32L, and drug concentration, the liquid storage device of setting are pre-entered by key 11
Caliber size, the transmission ratio of driving wheel 31 and driven wheel 51, each Infusion Time, input metering etc. technical parameter, control
Device processed calculates the circle number that driving motor 3 needs to rotate according to the technical parameter of input, and the circle number of rotation is sent to photoelectricity
Sensor 7, photoelectric sensor 7 control the rotation of driving motor 3 according to the turnning circle；The rotation of driving motor 3 drives driving wheel
31 rotations, driving wheel 31 drive driven wheel 51 to rotate, and then rotate with moving cam 52, and the rotation of cam 52, which drives, is resisted against cam 52
On push rod 6 do the movement of up and down direction, the push rod 6 liquid storage pipe matched with its is used cooperatively, and push rod 6 pushes in liquid storage pipe
Piston press liquid storage pipe in medical fluid enter perfusion tube, to realize the accuracy of infusion measurement and the stationarity of infusion.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of micro-infusion pump driving device, it is characterised in that: including shell, battery, four groups of driving units and control unit；
The outside of the shell is equipped with key and display screen, and the inner cavity lower part of the shell is equipped with battery；
The size structure of driving unit described in four groups is all the same, and driving unit described in every group includes that setting is square on the battery
Driving motor, the lateral fixed U-shaped fixing seat in the shell upper end, the U-shaped fixing seat include bottom plate and two parallel side plates,
It is preset with the hole that the axis of the driving motor passes through on the bottom plate, is installed with driving wheel on the axis of the driving motor, two
Vertically be arranged shaft between the side plate, be successively installed with driven wheel, cam and grating disc on the shaft, the driven wheel with
The driving wheel is meshed, and against there is push rod moving up and down above the cam, the push rod is set in the shell
Roof；
Described control unit includes the radially opposite sides along the grating disc equipped with the photoelectric sensor being connected with the bottom plate, described
Grating disc outer rim is peripherally disposed multiple gate hole, the mobile number of the photoelectric sensor detection light gate hole, according to connecing
The gate hole number received controls the rotation of the driving motor；The photoelectric sensor is connect with the intracorporal controller of shell,
The gate hole number that the controller passes through key-press input parameter and rotates the Parameter Switch at the grating disc, and will rotation
Gate hole number be sent to the photoelectric sensor.
2. micro-infusion pump driving device according to claim 1, it is characterised in that: it further include memory, the storage
Device is connect with the controller, for storing the received control instruction of the controller.
3. micro-infusion pump driving device according to claim 1, it is characterised in that: the photoelectric sensor and the grid
Hole is corresponding.
4. micro-infusion pump driving device according to claim 1 or 3, it is characterised in that: the photoelectric sensor is slot
Type optoelectronic switch pipe.
5. micro-infusion pump driving device according to claim 1, it is characterised in that: the driving motor is direct current
Machine.
6. micro-infusion pump driving device according to claim 1, it is characterised in that: the driving wheel and driven wheel are
Bevel gear.
7. micro-infusion pump driving device according to claim 1, it is characterised in that: the shell lower end is additionally provided with usb
Mouthful.
8. micro-infusion pump driving device according to claim 1, it is characterised in that: be additionally provided with alarm mould in the shell
Block, the alarm module are connect with the controller.
9. micro-infusion pump driving device according to claim 1, it is characterised in that: the controller is single-chip microcontroller
ATMEG32L。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821255235.5U CN209004885U (en) | 2018-08-03 | 2018-08-03 | A kind of micro-infusion pump driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821255235.5U CN209004885U (en) | 2018-08-03 | 2018-08-03 | A kind of micro-infusion pump driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209004885U true CN209004885U (en) | 2019-06-21 |
Family
ID=66829491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821255235.5U Active CN209004885U (en) | 2018-08-03 | 2018-08-03 | A kind of micro-infusion pump driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209004885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011002A (en) * | 2018-08-03 | 2018-12-18 | 江苏雅凯医疗科技有限公司 | A kind of micro-infusion pump driving device |
-
2018
- 2018-08-03 CN CN201821255235.5U patent/CN209004885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109011002A (en) * | 2018-08-03 | 2018-12-18 | 江苏雅凯医疗科技有限公司 | A kind of micro-infusion pump driving device |
| CN109011002B (en) * | 2018-08-03 | 2024-01-19 | 江苏雅凯医疗科技有限公司 | Driving device for micro drug injection pump |
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