CN207493018U - Infusion pump and infusion device based on Piezoelectric Driving - Google Patents
Infusion pump and infusion device based on Piezoelectric Driving Download PDFInfo
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- CN207493018U CN207493018U CN201720401583.8U CN201720401583U CN207493018U CN 207493018 U CN207493018 U CN 207493018U CN 201720401583 U CN201720401583 U CN 201720401583U CN 207493018 U CN207493018 U CN 207493018U
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Abstract
The utility model is related to a kind of infusion pump and infusion device based on Piezoelectric Driving, including：Inlet, liquid outlet, the cavity for accommodating liquid, piezoelectric vibrator, piezoelectric driving module, control unit, the piezoelectric vibrator is arranged on the elastic terminal surface of the cavity, described control unit connects the piezoelectric driving module, the piezoelectric driving module connects the piezoelectric vibrator, the cavity connects the inlet and the liquid outlet, described control unit controls the piezoelectric driving module to drive the piezoelectric vibrator vibration, and cavity compression described in the vibration control of the piezoelectric vibrator and extension are so as to complete feed liquor and go out liquid.The utility model uses the accurate intelligent control that piezoelectric vibrator, piezoelectric driving module and control unit are infused, and substantially increases the anti-electromagnetic interference capability of infusion device, reduces its energy consumption, further improves its infusion control accuracy.
Description
Technical field
The utility model is related to a kind of infusion pump and infusion device more particularly to a kind of Piezoelectric Driving that is based on convenient for accurate control
The infusion pump and infusion device of system.
Background technology
Infusion pump has been generally applicable to clinical treatment, at home wide hair in anesthesia, analgesia, antibiosis extract for treating, swollen
The treatment of knurl chemotherapy, cardiovascular and cerebrovascular diseases, hypertension, diabetes.The application of infusion pump, the patient for reducing treatment control
Risk is treated, reduces the workload of nursing staff, traditional infusion methods greatly reduces in severe case's therapeutic process
The administration risk of middle generation.
Medical instrument quality safety is the most important thing of hospital management, therefore, it is desirable to have a kind of high-performance, it is intelligentized from
Dynamic infusion device.Intelligent infusion pump has the advantages that Conventional gravity infusion is incomparable, it accurately can measure and control infusion
Speed, infusion amount streamline is good, abnormal to bubble, obstruction, leakage blood etc. can be detected, and with warning function and automatically cut off
It is transfused access.It ensures the safety of patient, reduces the generation of malpractice.
Utility model content
The utility model solve the technical issues of be：A kind of infusion device based on Piezoelectric Driving is built, overcomes existing skill
The technical issues of art infusion is inconvenient to carry out intelligent control.
The technical solution of the utility model is：Build a kind of infusion pump based on Piezoelectric Driving, which is characterized in that including：
Inlet, liquid outlet, cavity, the piezoelectric vibrator for accommodating liquid, at least one end face of the cavity are elastic terminal surface, the pressure
Electric tachometer indicator is arranged on the elastic terminal surface of the cavity, and the cavity connects the inlet and the liquid outlet, the piezoelectricity
Cavity compression described in the vibration control of oscillator and extension are so as to complete feed liquor and go out liquid.
The further technical solution of the utility model is：The cavity includes liquid feed valve and liquid valve, and the liquid feed valve connects
The inlet is connect, the liquid valve connects the liquid outlet.
The further technical solution of the utility model is：One end face of the cavity is elastic terminal surface, and the piezoelectricity shakes
Son is arranged on the elastic terminal surface.
The further technical solution of the utility model is：The liquid feed valve and the liquid valve are one-way cock.
The further technical solution of the utility model is：The liquid feed valve and the liquid valve are cantilever beam valve.
The technical solution of the utility model is：A kind of infusion device based on Piezoelectric Driving is built, including：Inlet goes out
Liquid mouth, the cavity for accommodating liquid, piezoelectric vibrator, piezoelectric driving module, control unit, at least one end face of the cavity is bullet
Property end face, the piezoelectric vibrator is arranged on the elastic terminal surface of the cavity, and described control unit connects the Piezoelectric Driving mould
Block, the piezoelectric driving module connect the piezoelectric vibrator, and the cavity connects the inlet and the liquid outlet, the control
Unit processed controls the piezoelectric driving module to drive the piezoelectric vibrator vibration, cavity described in the vibration control of the piezoelectric vibrator
Compression and extension are so as to complete feed liquor and go out liquid.
The further technical solution of the utility model is：Further include monitoring module, the monitoring module monitoring transfusion work
State.
The further technical solution of the utility model is：Alarm module is further included, the alarm module is different in transfusion state
Normal alarm.
The further technical solution of the utility model is：Further include the input module of input infusion parameter, the input mould
Block connects the control module.
The further technical solution of the utility model is：Further include the display module of display infusion parameter, the display mould
Block connects the control module
The further technical solution of the utility model is：The monitoring module includes the pipeline monitoring mould of monitored pipeline state
Block, the pipeline monitoring module include the pressure sensor being arranged in pipeline.
The utility model has the technical effect that：The utility model builds a kind of infusion pump based on Piezoelectric Driving and infusion fills
It puts, including：Inlet, liquid outlet, the cavity for accommodating liquid, piezoelectric vibrator, piezoelectric driving module, control unit, the piezoelectricity
Oscillator is arranged on the elastic terminal surface of the cavity, and described control unit connects the piezoelectric driving module, the Piezoelectric Driving
Module connects the piezoelectric vibrator, and the cavity connects the inlet and the liquid outlet, described in described control unit control
Piezoelectric driving module drives piezoelectric vibrator vibration, cavity compression described in the vibration control of the piezoelectric vibrator and extension so as to
It completes feed liquor and goes out liquid.The utility model is infused accurate using piezoelectric vibrator, piezoelectric driving module and control unit
Intelligent control substantially increases the anti-electromagnetic interference capability of infusion device, reduces its energy consumption, further improves its infusion control
Precision processed.
Description of the drawings
Fig. 1 is the structure diagram of the utility model infusion pump.
Fig. 2 is the structure diagram of the utility model infusion device.
Specific embodiment
With reference to specific embodiment, technical solutions of the utility model are further illustrated.
As shown in Figure 1, specific embodiment of the present utility model is：A kind of infusion pump based on Piezoelectric Driving is built,
It is characterized in that, including：Inlet 1, liquid outlet 2, cavity 3, the piezoelectric vibrator 4 for accommodating liquid, at least one end of the cavity 3
Face is elastic terminal surface, and the piezoelectric vibrator 4 is arranged on the elastic terminal surface of the cavity 3, and the cavity 3 connects the inlet
1 and the liquid outlet 2, cavity 3 described in the vibration control of the piezoelectric vibrator 4 compresses and extends to complete feed liquor and go out liquid.
As shown in Figure 1, the specific implementation process of the utility model is：Piezoelectric vibrator 4 generates under the action of alternating voltage
Flexural deformation so as to form the variation of volume in cavity 3 and pressure so as to fulfill fluid one-way flow.Detailed process is：When
When piezoelectric vibrator 4 is bent outwardly deformation under the driving of voltage, certain vacuum degree is generated in cavity 3, promotes the liquid feed valve 7
It opens, the liquid valve 8 is closed, drawn liquid into the cavity 3.When piezoelectric vibrator 4 inwardly moves, the liquid feed valve 7
It closes, piezoelectric vibrator 4 pushes fluid to open the liquid valve 8, and the liquid in the cavity 3 is defeated outward from the liquid outlet 2
Go out.
As shown in Figure 1, specific embodiment of the present utility model is：A kind of infusion device based on Piezoelectric Driving is provided,
Including：Inlet 1, liquid outlet 2, the cavity 3 for accommodating liquid, piezoelectric vibrator 4, piezoelectric driving module 5, control unit 6, the pressure
Electric tachometer indicator 4 is arranged on the elastic terminal surface of the cavity 3, and described control unit 6 connects the piezoelectric driving module 5, the pressure
Electric drive module 5 connects the piezoelectric vibrator 4, and the cavity 3 connects the inlet 1 and the liquid outlet 2, and the control is single
The 6 control piezoelectric driving module 5 of member drives the piezoelectric vibrator 4 to vibrate, cavity described in the vibration control of the piezoelectric vibrator 4
3 compressions and extension are so as to complete feed liquor and go out liquid.
As shown in Figure 1, the preferred embodiment of the utility model is：The cavity includes liquid feed valve 7 and liquid valve 8, institute
It states liquid feed valve 7 and connects the inlet 1, the liquid valve 8 connects the liquid outlet 2.The liquid feed valve 7 and the liquid valve 8
For one-way cock, the liquid feed valve 7 and the liquid valve 8 are cantilever beam valve.One end face of the cavity 3 is elastic tip
Face, the piezoelectric vibrator 4 are arranged on the elastic terminal surface.Piezoelectric vibrator 4 generates flexural deformation under the action of alternating voltage
So as to form the variation of volume in cavity 3 and pressure so as to fulfill fluid one-way flow.Detailed process is：Work as piezoelectric vibrator
4 under the driving of voltage when being bent outwardly deformation, and certain vacuum degree is generated in cavity 3, the liquid feed valve 7 is promoted to open, institute
It states liquid valve 8 to close, draw liquid into the cavity 3.When piezoelectric vibrator 4 inwardly moves, the liquid feed valve 7 is closed, pressure
Electric tachometer indicator 4 pushes fluid to open the liquid valve 8, and the liquid in the cavity 3 exports outward from the liquid outlet 2.
As shown in Fig. 2, the piezoelectric driving module 5 drives the piezoelectric vibrator 4 to vibrate, the piezoelectric vibrator 4 is by pressing
Electroceramics chip and substrate substrate composition, piezoelectric ceramic wafer are arranged on substrate substrate, the substrate substrate of the piezoelectric vibrator 4
For elastic material, the piezoelectric ceramic wafer includes but are not limited to piezoelectric biological ceramics, as LiNbO3 monocrystalline (lithium niobate),
PZT (aluminum zirconate titanate) and BaTiO3 (barium titanate) piezoelectric ceramics etc..
Specific implementation process is as follows：Material occurs when External Electrical Field is in the substrate substrate both ends of the piezoelectric vibrator 4
Deformation, deformation quantity is proportional to and external electronic field, and two end faces in its polarization direction are applied with positive and negative opposite alternation electricity
Pressure, the piezoelectric vibrator 4 can carry out convex or recessed deformation.
As shown in Figure 1, monitoring modular 9 is further included, the 9 monitoring transfusion working condition of monitoring modular.Monitoring modular 9 includes
The pressure sensor of signal piping blocked state, the pressure inside pressure sensor sense line, if pressure is more than setting value,
It is judged as pipe blocking state.The monitoring modular 9 further includes time alarm module, and time alarm module passes through determining infusion
Time can determine transfusion time, including reminding infusion that will finish or the information of infused.The monitoring modular 9 also wraps
Monitoring cell electricity quantity module is included, then the charge condition of monitoring cell electricity quantity module monitors battery carries out electricity service condition
Display and information alert.The monitoring modular 9 further includes system monitoring module, is reminded in system fault.It further includes
Alarm module 10, the alarm module is in transfusion state exception alarm.Further include output infusion parameters, the infusion parameters packet
Include infusion liquid total amount, flow velocity, infusion liquid time, battery capacity, operating status and infusion liquid remaining time.It further includes
Infusion parameters are exported, the infusion parameters include infusion liquid total amount, infusion liquid flow velocity, liquid Infusion Time, infusion liquid
Remaining time, infusion hinting abnormal states information, battery capacity prompt message, network state information, infusion liquid type, liquid
It is one or more in infusion flow-rate list.
As shown in Figure 1, the preferred embodiment of the utility model is：The input module 11 of input infusion parameter is further included,
The input module 11 connects the control module 6.Further include the display module 12 of display infusion parameter, the display module 12
Connect the control module 6.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of infusion pump based on Piezoelectric Driving, which is characterized in that including：Inlet, liquid outlet, accommodate liquid cavity,
Piezoelectric vibrator, at least one end face of the cavity is elastic terminal surface, and the piezoelectric vibrator is arranged on the elastic tip of the cavity
On face, the cavity connects the inlet and the liquid outlet, cavity compression described in the vibration control of the piezoelectric vibrator and
Extension is so as to complete feed liquor and go out liquid.
2. the infusion pump based on Piezoelectric Driving according to claim 1, which is characterized in that the cavity includes liquid feed valve and goes out
Liquid valve, the liquid feed valve connect the inlet, and the liquid valve connects the liquid outlet.
3. the infusion pump based on Piezoelectric Driving according to claim 2, which is characterized in that the liquid feed valve and the liquid valve
For one-way cock.
4. the infusion pump based on Piezoelectric Driving according to claim 2, which is characterized in that the liquid feed valve and the liquid valve
For cantilever beam valve.
5. a kind of infusion device based on Piezoelectric Driving, which is characterized in that including：Inlet, liquid outlet, the chamber for accommodating liquid
Body, piezoelectric vibrator, piezoelectric driving module, control unit, at least one end face of the cavity is elastic terminal surface, and the piezoelectricity shakes
Son is arranged on the elastic terminal surface of the cavity, and described control unit connects the piezoelectric driving module, the Piezoelectric Driving mould
Block connects the piezoelectric vibrator, and the cavity connects the inlet and the liquid outlet, and described control unit controls the pressure
Electric drive module drives the piezoelectric vibrator vibration, and cavity compression and extension are so as to complete described in the vibration control of the piezoelectric vibrator
Into feed liquor and go out liquid.
6. the infusion device based on Piezoelectric Driving according to claim 5, which is characterized in that monitoring module is further included, it is described
Monitoring module monitoring transfusion working condition.
7. the infusion device based on Piezoelectric Driving according to claim 6, which is characterized in that alarm module is further included, it is described
Alarm module is in transfusion state exception alarm.
8. the infusion device based on Piezoelectric Driving according to claim 5, which is characterized in that further include input infusion parameter
Input module, the input module connect the control module.
9. the infusion device based on Piezoelectric Driving according to claim 5, which is characterized in that further include display infusion parameter
Display module, the display module connect the control module.
10. the infusion device based on Piezoelectric Driving according to claim 7, which is characterized in that the monitoring module includes prison
The pipeline monitoring module of keyholed back plate line state, the pipeline monitoring module include the pressure sensor being arranged in pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401583.8U CN207493018U (en) | 2017-04-17 | 2017-04-17 | Infusion pump and infusion device based on Piezoelectric Driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720401583.8U CN207493018U (en) | 2017-04-17 | 2017-04-17 | Infusion pump and infusion device based on Piezoelectric Driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207493018U true CN207493018U (en) | 2018-06-15 |
Family
ID=62496608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720401583.8U Active CN207493018U (en) | 2017-04-17 | 2017-04-17 | Infusion pump and infusion device based on Piezoelectric Driving |
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| Country | Link |
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| CN (1) | CN207493018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080878A (en) * | 2017-04-17 | 2017-08-22 | 深圳市体太赫兹科技有限公司 | Infusion pump and infusion device based on Piezoelectric Driving |
| CN109821098A (en) * | 2019-03-01 | 2019-05-31 | 浙江师范大学 | A kind of piezoelectric stack drive-type infusion device |
| CN113883041A (en) * | 2021-11-02 | 2022-01-04 | 北京航空航天大学 | High-precision MEMS micropump based on piezoelectric diaphragm |
-
2017
- 2017-04-17 CN CN201720401583.8U patent/CN207493018U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107080878A (en) * | 2017-04-17 | 2017-08-22 | 深圳市体太赫兹科技有限公司 | Infusion pump and infusion device based on Piezoelectric Driving |
| CN109821098A (en) * | 2019-03-01 | 2019-05-31 | 浙江师范大学 | A kind of piezoelectric stack drive-type infusion device |
| CN109821098B (en) * | 2019-03-01 | 2021-05-28 | 浙江师范大学 | Piezoelectric stack driving type infusion device |
| CN113883041A (en) * | 2021-11-02 | 2022-01-04 | 北京航空航天大学 | High-precision MEMS micropump based on piezoelectric diaphragm |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 building 3, 5A, Taihua Indus Industrial Park, Baoan District City, Shenzhen, Guangdong. Patentee after: Shenzhen Terahertz Technology Co., Ltd. Address before: 518000 Guangdong, Shenzhen, Nanshan District Xili street, Technology north two Road 15, third floor 301 Patentee before: SHENZHEN YITI TERAHERTZ TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address |