CN209004874U - Triple valve and the infusion pump for applying it - Google Patents
Triple valve and the infusion pump for applying it Download PDFInfo
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- CN209004874U CN209004874U CN201820771267.4U CN201820771267U CN209004874U CN 209004874 U CN209004874 U CN 209004874U CN 201820771267 U CN201820771267 U CN 201820771267U CN 209004874 U CN209004874 U CN 209004874U
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- liquid outlet
- motor
- hall sensor
- triple valve
- valve body
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Abstract
The utility model discloses a kind of triple valve and using its infusion pump, comprising: valve body rotor, the valve body rotor are provided with liquid storing part, the first inlet and the first liquid outlet, and first liquid outlet is connected with the liquid storing part；Valve housing is provided with the second liquid outlet on the valve housing, and first liquid outlet can be conducted with second liquid outlet, and the valve body rotor is spindle rotationally arranged in the valve housing；Motor, the shaft of the motor are connected with the valve body rotor；Magnet, the magnet can be rotated with the rotation of the shaft of the motor；Hall sensor；Control unit, described control unit are electrically connected with the motor, the Hall sensor respectively.Stall motor in such a way that electronic signal detects, the mode for avoiding passing through stall is controlled, to extend the service life of electrical machinery life and product complete machine.
Description
Technical field
The utility model relates to technical field of medical equipment, more particularly to a kind of triple valve and using its infusion pump.
Background technique
The control flow of existing portable infusion pump triple valve is as follows: motor drives the valve body rotor rotation of triple valve, when
When liquid outlet on the valve body rotor of triple valve is directed at the liquid outlet on the valve housing of triple valve, triple valve is in transfusion state；
When the exhaust outlet of the liquid outlet alignment triple valve on the valve body rotor of triple valve, triple valve is in exhaust condition, but above-mentioned three
The position alignment of liquid outlet and liquid outlet, the position alignment of liquid outlet and exhaust outlet in the transfusion state and exhaust condition of port valve
It is to be realized by structure limit, for example, block is provided on valve body rotor and valve housing, when valve body rotor is gone to
When certain position, two blocks collide, to prevent valve body rotor from continuing to rotate, so that the triple valve be made to be in transfusion state
Or exhaust condition.
The selection for realizing triple valve transfusion state or exhaust condition by structure limit in the prior art, due to motor
It is fixedly connected with valve body rotor, motor can occur blocking phenomenon because of being limited, if motor long-time stall, the longevity of motor
Life can reduce, so that product machine life be made to decline.
Utility model content
The utility model is intended to solve above-mentioned technical problem at least to a certain extent or at least provide a kind of useful quotient
Industry selection.For this purpose, one of the utility model is designed to provide a kind of triple valve, the triple valve includes: valve body rotor, institute
It states valve body rotor and is provided with liquid storing part, the first inlet and the first liquid outlet, first liquid outlet and the liquid storing part phase
Connection；Valve housing is provided with the second liquid outlet on the valve housing, and first liquid outlet can mutually be led with second liquid outlet
Logical, the valve body rotor is spindle rotationally arranged in the valve housing；Motor, the shaft of the motor and the valve body rotor phase
Connection；Magnet, the magnet can be rotated with the rotation of the shaft of the motor；Hall sensor；Control unit, the control
Unit processed is electrically connected with the motor, the Hall sensor respectively.
A kind of triple valve provided by the utility model, valve body rotor are turned inside the valve housing by the driving of motor
It is dynamic, since magnet can be rotated with the rotation of the motor, when the Hall sensor detects the magnet, motor meeting
It receives stalling signal and stalls immediately, the mode for avoiding passing through stall is controlled, to extend electrical machinery life and product is whole
The service life of machine.
In addition, also there is following technical characteristic according to triple valve described in the utility model:
Exhaust outlet is provided on the valve housing, the exhaust outlet can be conducted with first liquid outlet.
The second inlet is provided on the valve housing, first inlet is arranged in second inlet.
The Hall sensor includes the first Hall sensor, and the first Hall sensor setting goes out liquid described second
The top of mouth.
The Hall sensor further includes the second Hall sensor, and second Hall sensor is arranged in the exhaust outlet
Top.
The magnet is located at the top of first liquid outlet.
Described control unit is single-chip microcontroller.
The top of the valve body rotor is provided with plectrum.
The triple valve further includes mounting plate, and the mounting plate is arranged in the shaft of the motor, and the mounting plate
It can be rotated with the rotation of the machine shaft.
The magnet is arranged on the mounting plate.
The utility model also provides a kind of infusion pump, and the infusion pump includes above-mentioned triple valve.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the triple valve of the utility model one embodiment.
Appended drawing reference:
Motor 1, mounting plate 2, magnet 3, plectrum 4,
Valve body rotor 5, the first inlet 51, the first liquid outlet 52,
Valve housing 6, the second inlet 61, the second liquid outlet 62, exhaust outlet 63,
First Hall sensor 71, the second Hall sensor 72.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.
The utility model provides a kind of triple valve.With reference to Fig. 1, the triple valve includes: motor 1, magnet 3, valve body turn
Son 5, valve housing 6, Hall sensor and control unit.
In the present embodiment, the valve body rotor 5 is arranged to cylindrical shape, and the top of the valve body rotor 5 is set as solid
Cylindrical body, the lower part of the valve body rotor 5 are set as hollow structure, and the valve body rotor 5 is provided with liquid storing part (under valve body rotor
The hollow structure in portion, and not illustrating in figure), the first inlet 51 and the first liquid outlet 52, first liquid outlet 52 and institute
Liquid storing part is stated to be connected.
The second liquid outlet 62 is provided on the valve housing 6, second liquid outlet 62 is used for human body or animal body
Deng infusion, the shape of second liquid outlet 62 is preferably cylindrical pipe shape, convenient for other infusion equipments, for example be infused
Hose etc. is connected, and second liquid outlet 62 can be conducted with first liquid outlet 52, when carrying out transfusion operation, to defeated
Liquor charging body enters the liquid storing part by first inlet 51, then passes sequentially through first liquid outlet 52, described the
Two liquid outlets 62 are output to the outside liquid.
The motor 1 is the device that the valve body rotor 5 can be driven to rotate, the shaft of the motor 1 and the valve body
Rotor 5 is connected, and the valve body rotor 5 can be rotated with the rotation of the shaft of the motor 1, meanwhile, the valve body turns
Son 5 is arranged in the valve housing 6 namely the valve body rotor 5 can rotate in the valve housing 6, the valve body rotor 5 with
The gap of the inner wall of the valve housing 6 is minimum, on the one hand when the valve body rotor 5 rotates will not generate biggish frictional force and
The valve housing 6 is damaged, the outflow of liquid when on the other hand reducing infusion.
The magnet 3 can be rotated with the rotation of the shaft of the motor 1, and the Hall sensor is described for detecting
The magnetic field of magnet 3, described control unit are electrically connected with the motor 1 and the Hall sensor respectively, described for detecting
The level change of Hall sensor and the stalling of the control motor 1, when the Hall sensor detects the magnet 3
When magnetic field, the output of the Hall sensor becomes low level from high level, after described control unit detects the variation of level
It stops operating with regard to controlling the motor 1, it herein can the magnet 3, first liquid outlet 52, described through reasonable settings
Second liquid outlet 62, the Hall sensor relative position and control the stalling of the motor 1, i.e., when needing to be infused, institute
When stating the first liquid outlet 52 and being aligned with second liquid outlet 62, the motor 1 is stalled.
A kind of triple valve provided by the utility model, the valve body rotor 5 is by the driving of the motor 1 in the valve
6 inner rotation of body shell, since the magnet 3 can be rotated with the rotation of the motor 1, when the Hall sensor detects
When the magnet 3 (first liquid outlet 52 is conducted with second liquid outlet 62 at this time), the motor 1 will receive stalling
Signal and stall immediately, the mode for avoiding passing through stall is controlled, to extend service life and the product complete machine of the motor 1
Service life.
With reference to Fig. 1, exhaust outlet 63 is additionally provided on the valve housing 6, when the valve body rotor 5 goes to certain position,
The exhaust outlet 63 is directed at first liquid outlet 52, so that first liquid outlet 52 is made to be conducted with the exhaust outlet 63,
Air for being discharged in the liquid storing part, when preventing infusion, the air in the liquid storing part enters by infusion person's body, to quilt
Infusion person damages.
With reference to Fig. 1, the first inlet 51 is provided on the valve housing 6, as an example, first inlet
51, second inlet 61, which is all provided with, is set to hollow cylinder shape, and second inlet 61 is set in first inlet
On 51, on the one hand facilitate and liquid is transported in the liquid storing part, on the other hand convenient for the valve body rotor 5 in the valve housing
Rotation in 6 is played the role of limiting the valve body rotor 5, reduces the collision of the valve body rotor 5 and the valve housing 6, prolongs
The service life of long products.
With reference to Fig. 1, it is preferably carried out mode as one kind, the Hall sensor includes the first Hall sensor 71, institute
State surface (first Hall sensor 71 and described that second liquid outlet 62 is arranged in the first Hall sensor 71
Vertical line of two liquid outlets 62 where on same vertical line or both is parallel to each other), first Hall sensor 71 can
It is arranged on second liquid outlet 62, may also be arranged on other component；In other embodiments, the Hall sensor is also
Including the second Hall sensor 72, the surface (described second of the exhaust outlet 63 is arranged in second Hall sensor 72
The vertical line of Hall sensor 72 and the exhaust outlet 63 where on same vertical line or both is parallel to each other), described the
Two Hall sensors 72 may be provided on the exhaust outlet 63, may also be arranged on other component, thus, first Hall passes
Sensor 71, second Hall sensor 72 are able to detect the position of second liquid outlet 62 and the exhaust outlet 63
It sets.
First Hall sensor 71 and second Hall sensor 72 are electrically connected with the control unit respectively,
As an example, it when first Hall sensor 71 detects the magnetic field of the magnet 3, represents the triple valve and is in defeated
Liquid status when second Hall sensor 72 detects the magnetic field of the magnet 3, represents the triple valve and is in exhaust shape
State passes through peripheral operation etc. (such as pressing exhaust or infusion button, this is sentenced for pressing infusion button), 1 turn of the motor
It is dynamic, when control unit detects the level signal variation of the Hall sensor, pass through the Hall sensor and the control
The interface message judgement of unit processed is that the level signal of which Hall sensor is changed, and first suddenly as described in detecting
You have become low level from high level at the level signal of sensor 71, then described control unit controls the motor 1 and stops operating,
The level signal of the second Hall sensor 72 has become low level from high level as described in detecting, then the motor 1 continues to turn
It is dynamic, until detecting that the level signal of first Hall sensor 71 has become low level, described control unit from high level
It controls the motor 1 to stop operating, the selection of remaining operation and control process are similar with above-mentioned selection and control process, no
It repeats one by one.
The magnet 3 is located at the surface of first liquid outlet 52, and (magnet 3 is with first liquid outlet 52 same
Vertical line where on one vertical line or both is parallel to each other), in order to reduce detection error and detection time, the magnet 3
It to be installed as close as possible to first Hall sensor 71 and second Hall sensor 72, that is, when the magnet 3 is located at institute
When stating the first 71 top of Hall sensor, the magnet 3 is small as far as possible at a distance from first Hall sensor 71；Work as institute
When stating magnet 3 and being located at 72 top of the second Hall sensor, the magnet 3 is use up at a distance from second Hall sensor 72
It is possible small.
Preferably, the magnetic flux of the magnet 3 should not be too large, and magnetic flux is bigger, and the error of position detection is also bigger,
For example, in terms of the applicable cases of chemotherapy pump, when selecting TI Hall sensor DRV5023AJQDBZR, magnetic flux
6.9/3.2 mT is proper.
With reference to Fig. 1, the triple valve further includes mounting plate 2, and the mounting plate 2 is arranged in the shaft of the motor 1, and
The mounting plate 2 can be rotated with the rotation of the shaft of the motor 1, and the magnet 3 is arranged on the mounting plate 2, institute
When stating motor 1 and rotating, when the Hall sensor detects the magnetic field of the magnet 3, the output of the Hall sensor by
High level becomes low level, and control unit detects control motor stalling after the level change of the Hall sensor, it is preferable that
Described control unit is MCU(single-chip microcontroller).
With reference to Fig. 1, the top of the valve body rotor 5 is provided with plectrum 4, and the quantity of the plectrum 4 can be one, two
Or it is multiple, the plectrum 4 is in transfusion state for can be manually rotated the valve body rotor 5, to control triple valve and is still vented
State prevents non-serviceable situation out of power, more humanized.
A kind of triple valve provided by the utility model, the valve body rotor 5 is by the driving of the motor 1 in the valve
The inner rotation of body shell 6, since the magnet 3 can be rotated with the rotation of the motor 1, when the Hall sensor detects
When the magnet 3, the motor 1 will receive stalling signal and stall immediately, and the utility model provides a kind of triple valve, should
Triple valve can control triple valve in such a way that electronic signal is fed back and be in transfusion state or exhaust condition, avoid passing through stall
Mode controlled, to extend the service life of electrical machinery life and product complete machine.
The utility model also provides a kind of infusion pump, and the infusion pump is provided with the triple valve of the utility model, the valve
Body rotor 5 by the driving of the motor 1 the valve housing 6 inner rotation, since the magnet 3 can be with the electricity
The rotation of machine 1 and rotate, when the Hall sensor detect the magnet 3 when, the motor 1 will receive stalling signal and immediately
Stalling, the utility model provide a kind of triple valve, which can control at triple valve in such a way that electronic signal is fed back
In transfusion state or exhaust condition, the mode for avoiding passing through stall is controlled, to extend electrical machinery life and product is whole
The service life of machine.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.
Claims (11)
1. a kind of triple valve characterized by comprising
Valve body rotor, the valve body rotor are provided with liquid storing part, the first inlet and the first liquid outlet, first liquid outlet
It is connected with the liquid storing part；
Valve housing is provided with the second liquid outlet on the valve housing, and first liquid outlet can mutually be led with second liquid outlet
Logical, the valve body rotor is spindle rotationally arranged in the valve housing；
Motor, the shaft of the motor are connected with the valve body rotor；
Magnet, the magnet can be rotated with the rotation of the shaft of the motor；
Hall sensor；
Control unit, described control unit are electrically connected with the motor, the Hall sensor respectively.
2. triple valve according to claim 1, which is characterized in that be provided with exhaust outlet, the exhaust on the valve housing
Mouth can be conducted with first liquid outlet.
3. triple valve according to claim 1, which is characterized in that the second inlet is provided on the valve housing, it is described
First inlet is arranged in second inlet.
4. triple valve according to claim 1, which is characterized in that the Hall sensor includes the first Hall sensor,
The top of second liquid outlet is arranged in first Hall sensor.
5. triple valve according to claim 2, which is characterized in that the Hall sensor further includes the second hall sensing
The top of the exhaust outlet is arranged in device, second Hall sensor.
6. triple valve according to claim 1, which is characterized in that the magnet is located at the top of first liquid outlet.
7. triple valve according to claim 1, which is characterized in that described control unit is single-chip microcontroller.
8. triple valve according to claim 1, which is characterized in that the top of the valve body rotor is provided with plectrum.
9. triple valve according to claim 1, which is characterized in that further include mounting plate, the mounting plate is arranged described
In the shaft of motor, and the mounting plate can be rotated with the rotation of the machine shaft.
10. triple valve according to claim 9, which is characterized in that the magnet is arranged on the mounting plate.
11. a kind of infusion pump, which is characterized in that including triple valve of any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771267.4U CN209004874U (en) | 2018-05-23 | 2018-05-23 | Triple valve and the infusion pump for applying it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771267.4U CN209004874U (en) | 2018-05-23 | 2018-05-23 | Triple valve and the infusion pump for applying it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209004874U true CN209004874U (en) | 2019-06-21 |
Family
ID=66828522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820771267.4U Active CN209004874U (en) | 2018-05-23 | 2018-05-23 | Triple valve and the infusion pump for applying it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209004874U (en) |
-
2018
- 2018-05-23 CN CN201820771267.4U patent/CN209004874U/en active Active
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