CN107875470A - A kind of constant pressure frequency conversion speed regulating control instrument - Google Patents
A kind of constant pressure frequency conversion speed regulating control instrument Download PDFInfo
- Publication number
- CN107875470A CN107875470A CN201711061401.8A CN201711061401A CN107875470A CN 107875470 A CN107875470 A CN 107875470A CN 201711061401 A CN201711061401 A CN 201711061401A CN 107875470 A CN107875470 A CN 107875470A
- Authority
- CN
- China
- Prior art keywords
- pressure
- controller
- water pump
- speed regulating
- frequency converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0233—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs
- A61M3/0254—Enemata; Irrigators characterised by liquid supply means, e.g. from pressurised reservoirs the liquid being pumped
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3327—Measuring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
Abstract
The invention discloses a kind of constant pressure frequency conversion speed regulating control instrument, including controller, frequency converter, water pump and pressure sensor, the variable-frequency motor of frequency converter and water pump electrically connects, the pump discharge of water pump is connected with anal tube, pressure sensor is arranged at pump discharge, pressure sensor and frequency converter are electrically connected with the controller, detection parameters are fed back to controller by pressure sensor, the detection parameters of pressure sensor and predetermined pressure are carried out PID arithmetic by controller, the control signal drawn is transferred to frequency converter by controller, frequency converter controls rotating speed and the torque of variable-frequency motor according to control signal, make the outlet pressure of water pump equal with predetermined pressure.The present invention can in real time monitor and control the pressure of Enema liquid, reduce the incidence of enterobrosis, be a kind of medicine equipment that is preferable, simple, safely performing reduction of intussusception.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of constant pressure frequency conversion speed regulating control instrument.
Background technology
Entembole is one of most common reason of children's acute abdomen, is often occurred in 6 months to 2 years old children.Sausage diaplasis
Treatment is to treat the important non-surgical treatment of entembole.The cardinal principle of enema treatment is exactly by increasing at intussusception position
Plus-pressure promotes the intestinal tube of out-of-the way position to reset.The major complications of the treatment are enterobrosis.Incidence of perforating is mainly and intussusception
The pressure size of position effect, apply stressed time length and the dynamics and physical ones of the bowel lavage material applied
It is relevant.
Mainly have for the enema therapy of entembole at present：Clysis with barium, air enema and saline enema.In entembole bowel lavage
The important key issue for needing to solve in reset is：First, suitable image method is selected；2nd, suitable bowel lavage material is selected；
3rd, the pressure change during bowel lavage how is detected.Clysis with barium and air enema under x-ray monitoring are earliest and most made extensively
Method, but infant and doctor have different degrees of radioactive ray exposure over the course for the treatment of.In recent years due to ultrasonic instrument
Fast development, make ultrasound important function, while hydraulic pressure Sausage diaplasis intestines under ultrasonic surveillance have been played in the diagnosis of entembole
Intussusception method is simple, the exposure of no ray, hurtless measure, at the same can multiple sections carry out continuous dynamic and observe, CDFI
The blood fortune of involvement intestinal tube can be evaluated by checking, so as to decide whether that Direct Surgery is treated.Simultaneously because ultrasonic surveillance does not have
The exposure of ray, therefore the Treatment monitoring time is unrestricted, has important value for improving success rate, this just makes ultrasonic surveillance
Lower water bowel lavage has obtained increasing concern.
There is zoopery to show that the pressure of saline enema is no more than 120mmHg, the pressure of air enema is no more than 108mmHg
The generation of enterobrosis will not be caused.Therefore the accurate monitoring of pressure becomes to be even more important in Sausage diaplasis.Under conventional ultrasound monitoring
Saline enema reduction, hydraulic pressure is adjusted using by adjusting the height of Clyster barrel, although said apparatus can be according to height
The pressure of Enema liquid is controlled with flow, but the wriggling of intestinal tube and anastalsis can also influence pressure during bowel lavage, the device
There is the pressure that dynamically can not monitor and adjust in real time Enema liquid, it is impossible to controls Enema liquid to enter the amount of intestinal tube well
Defect.
The content of the invention
It is an object of the invention to provide a kind of constant pressure frequency conversion speed regulating control instrument, to solve to ask existing for above-mentioned prior art
Topic, to monitor in real time and control the pressure of Enema liquid, reduces the incidence of enterobrosis.
To achieve the above object, the invention provides following scheme：
The invention provides a kind of constant pressure frequency conversion speed regulating control instrument, including controller, frequency converter, water pump and pressure sensing
The variable-frequency motor electrical connection of device, the frequency converter and the water pump, the pump discharge of the water pump are connected with anal tube, and the pressure passes
Sensor is arranged at the pump discharge, and the pressure sensor and the frequency converter electrically connect with the controller, the pressure
Detection parameters are fed back to the controller by force snesor, and the controller is by the detection parameters of the pressure sensor and makes a reservation for
Pressure carries out PID arithmetic, and the control signal drawn is transferred to the frequency converter by the controller, and the frequency converter is according to
Control signal controls rotating speed and the torque of the variable-frequency motor, makes the outlet pressure of the water pump equal with the predetermined pressure.
Preferably, in addition to flow container, the flow container are used for filling Enema liquid, and the pump intake of the water pump passes through pipeline and institute
State the outlet of flow container.
Preferably, the bottom of the flow container is provided with heater and temperature sensor, the heater and the TEMP
Device electrically connects with the controller.
Preferably, in addition to the flow sensor that is arranged on the anal tube, the flow sensor and the controller
Electrical connection.
Preferably, the controller is provided with control panel, and the control panel is provided with display device and input unit,
The input unit is used to set the outlet pressure, and the display device is used to show the pressure sensor, the temperature
The detection parameters of sensor and the flow sensor.
Preferably, in addition to housing, the frequency converter, the water pump and the flow container may be contained within the enclosure interior,
The housing is provided with the filling exit for the filling Enema liquid, and the anal tube stretches out out of described housing, the controller
It is embedding on the housing.
Preferably, the pump discharge of the water pump is provided with switch valve, and the anal tube is connected by quick-release connector and the switch valve
Connect.
Preferably, the material of the anal tube is polytetrafluoroethylene (PTFE).
The present invention achieves following technique effect relative to prior art：
By the present invention in that detecting the outlet pressure of water pump with pressure sensor, and controller is set to be adjusted by pid algorithm
The operating condition of water pump, by changing the output flow of Enema liquid, the constant pressure output of Enema liquid can be achieved.The present invention can also be at any time
The pressure of Enema liquid is adjusted, and pressure can be adjusted to predetermined pressure rapidly and be constant at predetermined pressure.By using the present invention's
Constant pressure frequency conversion speed regulating control instrument, which carries out saline enema reduction, can effectively reduce the incidence of enterobrosis, be it is a kind of it is preferable, simple,
Safely perform the medicine equipment of reduction of intussusception.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of constant pressure frequency conversion speed regulating control instrument of the present invention；
Wherein：1- controllers, 2- frequency converters, 3- water pumps, 4- pressure sensors, 5- anal tubes, 6- flow containers, 7- heaters, 8-
Temperature sensor, 9- flow sensors, 10- housings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of constant pressure frequency conversion speed regulating control instrument, to solve to ask existing for above-mentioned prior art
Topic, to monitor in real time and control the pressure of Enema liquid, reduces the incidence of enterobrosis.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Present embodiments provide a kind of constant pressure frequency conversion speed regulating control instrument, including housing 10, controller 1, frequency converter 2, water pump
3rd, flow container 6 and pressure sensor 4.
Flow container 6 is used for filling Enema liquid, and the bottom of flow container 6 is provided with heater 7 and temperature sensor 8, heater 7 and temperature
Sensor 8 electrically connects with controller 1, and heater 7 also closed-loop control can be carried out by temperature sensor 8 or PID is adjusted, so that
Enema liquid is unlikely to be subcooled or overheated, and causes enteron aisle uncomfortable.The pump intake of water pump 3 passes through pipeline and the outlet of flow container 6, pressure
Force snesor 4 is arranged at pump discharge, and pressure sensor 4 electrically connects with controller 1, and pressure sensor 4 is used to detect Enema liquid
Pressure.The pump discharge of water pump 3 is communicated with switch valve, and switch valve is connected with anal tube 5 by quick-release connector, and anal tube 5 is used for from anus
Door insertion, in order to carry out enema operation, the material of anal tube 5 is polytetrafluoroethylene (PTFE), and anal tube 5 is provided with flow sensor 9, flow
Sensor 9 electrically connects with controller 1.Pressure sensor 4 is arranged on the outside of switch valve, is easy to the pressure of detection Enema liquid in real time.
The variable-frequency motor of frequency converter 2 and water pump 3 electrically connects, and pressure sensor 4 and frequency converter 2 electrically connect with controller 1,
Detection parameters are fed back to controller 1 by pressure sensor 4, and controller 1 enters the detection parameters of pressure sensor 4 and predetermined pressure
The control signal drawn is transferred to frequency converter 2 by row PID arithmetic, controller 1, and frequency converter 2 controls variable-frequency electric according to control signal
The rotating speed of machine and torque, make the outlet pressure of water pump 3 equal with predetermined pressure, skill is adjusted as a result of frequency control and PID
Art so that the present embodiment is to the control accuracy of bowel lavage hydraulic coupling up to 0.1Kpa, and pressure is regulated the speed soon, can also conveniently control
Pressure is no more than 120mmHg.Controller 1 is provided with control panel, and control panel is provided with display device and input unit, input
Device is used to set outlet pressure, and display device is used for the inspection for showing pressure sensor 4, temperature sensor 8 and flow sensor 9
Survey parameter.
Frequency converter 2, water pump 3 and flow container 6 may be contained within inside housing 10, and housing 10 is provided with the filling for filling Enema liquid
Mouth is filled, anal tube 5 stretches out out of housing 10, and controller 1 is embedding on the housing 10 so that the present embodiment is more convenient for moving integrally.
Apply specific case in this specification to be set forth the principle and embodiment of the present invention, above example
Explanation be only intended to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, in specific embodiments and applications there will be changes.In summary, in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
- A kind of 1. constant pressure frequency conversion speed regulating control instrument, it is characterised in that：Including controller, frequency converter, water pump and pressure sensor, institute The variable-frequency motor electrical connection of frequency converter and the water pump is stated, the pump discharge of the water pump is connected with anal tube, the pressure sensor It is arranged at the pump discharge, the pressure sensor and the frequency converter electrically connect with the controller, and the pressure passes Detection parameters are fed back to the controller by sensor, and the controller is by the detection parameters and predetermined pressure of the pressure sensor PID arithmetic is carried out, the control signal drawn is transferred to the frequency converter by the controller, and the frequency converter is according to the control Signal controls rotating speed and the torque of the variable-frequency motor, makes the outlet pressure of the water pump equal with the predetermined pressure.
- 2. constant pressure frequency conversion speed regulating control instrument according to claim 1, it is characterised in that：Also include flow container, the flow container is used In filling Enema liquid, the pump intake of the water pump passes through pipeline and the outlet of the flow container.
- 3. constant pressure frequency conversion speed regulating control instrument according to claim 2, it is characterised in that：The bottom of the flow container is provided with heating Device and temperature sensor, the heater and the temperature sensor electrically connect with the controller.
- 4. constant pressure frequency conversion speed regulating control instrument according to claim 3, it is characterised in that：Also include being arranged on the anal tube Flow sensor, the flow sensor electrically connects with the controller.
- 5. constant pressure frequency conversion speed regulating control instrument according to claim 4, it is characterised in that：The controller is provided with chain of command Plate, the control panel are provided with display device and input unit, and the input unit is used to set the outlet pressure, described Display device is used for the detection parameters for showing the pressure sensor, the temperature sensor and the flow sensor.
- 6. constant pressure frequency conversion speed regulating control instrument according to claim 5, it is characterised in that：Also include housing, the frequency converter, The water pump and the flow container may be contained within the enclosure interior, and the housing is provided with for the filling of the filling Enema liquid Mouthful, the anal tube stretches out out of described housing, and the controller is embedding on the housing.
- 7. constant pressure frequency conversion speed regulating control instrument according to claim 1, it is characterised in that：The pump discharge of the water pump is provided with and opened Valve is closed, the anal tube is connected by quick-release connector with the switch valve.
- 8. constant pressure frequency conversion speed regulating control instrument according to claim 1, it is characterised in that：The material of the anal tube is polytetrafluoro Ethene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711061401.8A CN107875470A (en) | 2017-11-02 | 2017-11-02 | A kind of constant pressure frequency conversion speed regulating control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711061401.8A CN107875470A (en) | 2017-11-02 | 2017-11-02 | A kind of constant pressure frequency conversion speed regulating control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107875470A true CN107875470A (en) | 2018-04-06 |
Family
ID=61783537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711061401.8A Pending CN107875470A (en) | 2017-11-02 | 2017-11-02 | A kind of constant pressure frequency conversion speed regulating control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107875470A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109865170A (en) * | 2019-04-11 | 2019-06-11 | 珠海英智科技有限公司 | A kind of entembole reset system and method |
| CN110227196A (en) * | 2019-04-23 | 2019-09-13 | 陈杰 | A kind of entembole reset controlling system and method based on PID |
| CN113577445A (en) * | 2021-07-01 | 2021-11-02 | 深圳圣诺医疗设备股份有限公司 | Rapid constant-pressure infusion control system and method |
| CN114159100A (en) * | 2020-09-11 | 2022-03-11 | 深圳市理邦精密仪器股份有限公司 | Ultrasonic monitoring method, ultrasonic device and ultrasonic monitoring system |
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| CN107106758A (en) * | 2014-12-19 | 2017-08-29 | 科洛普拉斯特公司 | Method for the system of anus and/or stoma lavation and for controlling such system |
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| CN2518465Y (en) * | 2001-11-12 | 2002-10-30 | 宋锦春 | Computer-controlled hydraulic intussusception therapeutic equipment |
| CN2623242Y (en) * | 2003-05-22 | 2004-07-07 | 李姗 | Peristalsis-type colon perfusion and dialysis machine |
| CN1861204A (en) * | 2006-06-23 | 2006-11-15 | 李健生 | Colon diffusion apparatus |
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| CN109865170A (en) * | 2019-04-11 | 2019-06-11 | 珠海英智科技有限公司 | A kind of entembole reset system and method |
| CN110227196A (en) * | 2019-04-23 | 2019-09-13 | 陈杰 | A kind of entembole reset controlling system and method based on PID |
| CN114159100A (en) * | 2020-09-11 | 2022-03-11 | 深圳市理邦精密仪器股份有限公司 | Ultrasonic monitoring method, ultrasonic device and ultrasonic monitoring system |
| CN113577445A (en) * | 2021-07-01 | 2021-11-02 | 深圳圣诺医疗设备股份有限公司 | Rapid constant-pressure infusion control system and method |
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Application publication date: 20180406 |
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