CN213466364U - Device for simultaneously detecting bubbles and blockage of electronic infusion pump - Google Patents
Device for simultaneously detecting bubbles and blockage of electronic infusion pump Download PDFInfo
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- CN213466364U CN213466364U CN202021316133.7U CN202021316133U CN213466364U CN 213466364 U CN213466364 U CN 213466364U CN 202021316133 U CN202021316133 U CN 202021316133U CN 213466364 U CN213466364 U CN 213466364U
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Abstract
The utility model belongs to the technical field of medical instruments, and particularly discloses a device for simultaneously detecting bubbles and blockage of an electronic infusion pump, which comprises a data acquisition module, a data processing module, a display and alarm output module and a shell; the shell has the bottom and controls the lateral wall, control and form the recess between lateral wall and the bottom, data acquisition module includes bubble detection sensor and pressure sensor, bubble detection sensor is located the shell lateral wall, pressure sensor is located the shell bottom. The device reduces the appearance size of the electronic infusion pump, lightens the weight of the product and improves the aesthetic degree of the product design by the arrangement mode of integrating the sensors with different functions into a whole; the bubble detection sensor and the pressure sensor are fixed through the circuit board, mounting and plug-in welding can be adopted, wiring is simple, and installation is convenient; the device does not need to adopt a traditional exhaust hole filter, so that the cost is reduced; the device has the characteristics of high sensitivity and small error.
Description
Technical Field
The utility model belongs to the technical field of medical instrument's technique and specifically relates to a device that is used for detecting electron infusion pump bubble simultaneously and blocks.
Background
The requirements of the industry standard YY/T1469-2016 portable electric infusion pump for electronic infusion pump products are that the electronic infusion pump needs to have an occlusion alarm function and a device for preventing air from entering a human body, and the occlusion alarm and air-prevention devices of mature products sold in the market at present generally adopt the following modes: the pressure sensor detects whether a pipeline is blocked or not, the pipeline is blocked and expands to trigger the physical mode of the switch, the voltage value of the driving motor is detected to judge whether the pipeline is blocked or not, the infrared sensor detects whether bubbles exist in the pipeline or not, the ultrasonic sensor detects whether bubbles exist in the pipeline or not, and the filter with the air outlet is adopted to discharge air out of the pipeline.
The prior art solves the problem that bubbles are generally processed by adopting an infrared sensor, ultrasonic waves and an exhaust hole filter, and the main working principle is as follows: an infrared sensor or an ultrasonic sensor is placed at the installation position of a silicone tube of the electronic infusion pump, the sensor is U-shaped, the silicone tube is clamped in the middle, light waves are emitted through the emitting end of the sensor, the voltage values of the light waves received back through liquid or air are different, the fluctuating voltage values are converted into stable voltage values through an A/D converter and are transmitted to a single chip microcomputer, the single chip microcomputer is compared with preset values, and an alarm is given when the voltage values exceed the preset values. Another way to deal with air bubbles is with a vent filter, where air bubbles that enter the filter are vented through a vent membrane. And the mode of solving the pipeline jam of prior art mainly adopts pressure sensor, physics trigger switch and judges the motor voltage value and handles, and concrete theory of operation does: when the infusion pipeline is blocked, the pressure on the surface of the silicone tube is increased, the pressure sensor transmits the received different voltage values to the single chip microcomputer for comparison, and an alarm is sent out when the voltage values exceed a preset value; the physical trigger switch is similar to the pressure sensor, when the infusion pipeline is blocked, the elastic membrane body can expand and deform and the trigger switch sends out a blocking alarm; the last blocking alarm mode is to judge the voltage value of the motor, when the infusion pipeline is blocked, the load of the motor can be enlarged, the current output by the motor can be increased to cause the voltage value to be enlarged, and the blocking alarm can be sent out when the current exceeds the preset voltage value.
The above two methods are technical means and devices for treating bubbles and pipeline blockage, and have the following disadvantages: because the electronic infusion pump is a portable infusion pump, the internal space is compact, if two sensors are needed to realize bubble detection and blockage detection, the application of the two sensors can cause the size of a product to be increased, the weight of the electronic infusion pump is increased, the electronic infusion pump is inconvenient to carry, and the appearance of the electronic infusion pump is seriously influenced; the application of two sensors leads to complicated circuit wiring due to long distance; the application of the physical trigger switch is easy to cause the leakage of the elastic connecting body and has complex process; the mode accuracy for judging the voltage value of the motor is too low, false alarm or no alarm is easy to occur, and the process requirement is high; the exhaust hole filter has complex process and high cost, and the leakage problem is easy to occur at the exhaust hole.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model aims at providing a device that is used for detecting electron infusion pump bubble and obstruction simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a device for simultaneously detecting bubbles and blockage of an electronic infusion pump comprises a data processing module, a display alarm module, a data acquisition module and a shell, wherein the data acquisition module is electrically connected with the display alarm module through the data processing module; the shell has bottom and left side wall and right side wall, form the recess that is used for holding the transfer line between left side wall and the right side wall and the bottom, data acquisition module includes bubble detection sensor and pressure sensor, bubble detection sensor is located the left side wall and/or the inboard of right side wall, pressure sensor is located the bottom.
Further, the bubble detection sensor and the pressure sensor are respectively inserted or attached to the circuit board.
Further, the bubble detection sensor comprises an infrared emission tube and a reflecting surface which are respectively arranged on the left side wall and the right side wall, and the infrared emission tube and the reflecting surface are oppositely arranged.
Further, the bubble detection sensor includes an ultrasonic transmitting tube and an ultrasonic receiving tube respectively provided on the left side wall and the right side wall, and the ultrasonic transmitting tube and the ultrasonic receiving tube are oppositely provided.
The pressure sensor is characterized by further comprising a conducting block, wherein the conducting block is arranged above the pressure sensor and used for receiving pressure generated by expansion of the infusion pipeline and transmitting the pressure to the pressure sensor in a reaction mode.
Further, the housing is U-shaped.
Further, the housing is a semi-circular arc.
The data processing module further comprises an amplifier, an A/D converter and a single chip microcomputer, wherein the amplifier is used for receiving the signal of the data acquisition module, the signal is converted into a digital signal through the A/D converter, the single chip microcomputer analyzes and processes the digital signal, and the processing result is transmitted to the display alarm module.
Compared with the prior art, the device for simultaneously detecting the bubbles and the blockage of the electronic infusion pump provided by the utility model has an unusual structure, comprises a data processing module and a display alarm module, and also comprises a data acquisition module and a shell, wherein the data acquisition module is electrically connected with the display alarm module through the data processing module; the shell has bottom and left side wall and right side wall, form the recess that is used for holding the transfer line between left side wall and the right side wall and the bottom, data acquisition module includes bubble detection sensor and pressure sensor, bubble detection sensor is located the left side wall and/or the inboard of right side wall, pressure sensor is located the bottom.
Just the beneficial effects of the utility model are that:
1) the arrangement mode of integrating the sensors with different functions is adopted, the appearance size of the electronic infusion pump is reduced, the weight of the product is reduced, the attractiveness of the product design is improved, the sensitivity is high, and the error is small;
2) the bubble detection sensor and the pressure sensor are fixed through the circuit board, can adopt mounting and plug-in welding, and are simple in wiring and convenient to install;
3) the traditional exhaust hole filter is not needed, so that the cost is reduced;
4) compared with the traditional vent hole filter for eliminating bubbles, the bubble detection sensor in the application can monitor the infusion tube in real time, so that the situation of liquid leakage caused by complex process of the vent hole filter can be avoided;
5) through bubble detection sensor and pressure sensor realize detecting the bubble and the infusion pressure of transfer line to need not install bubble additional in the electron infusion pump and detect and block up two sensors, avoid increasing the weight and the volume of electron infusion pump conveniently carry.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic topology diagram of the present invention.
In the figure: 1 bottom, 2 left side wall, 3 right side wall, 23 grooves, 4 bubble detection sensors, 5 pressure sensors, 6 conduction blocks, 7 transfusion tubes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the device for simultaneously detecting air bubbles and clogging of an electronic infusion pump as a preferred embodiment of the present invention comprises a data processing module and a display alarm module, and a data acquisition module and a housing, wherein the data acquisition module is electrically connected with the display alarm module through the data processing module; the shell is provided with a bottom 1 and a left side wall 2 and a right side wall 3, a groove 23 for accommodating a liquid conveying pipe 7 is formed between the left side wall 2 and the right side wall 3 and the bottom 1, the data acquisition module comprises a bubble detection sensor 4 and a pressure sensor 5, the bubble detection sensor 4 is positioned at the inner side of the left side wall 2 and/or the right side wall 3, and the pressure sensor 5 is positioned at the bottom 1, so that the design has the advantages that the bubble detection sensor and the pressure sensor 5 are integrated into one shell, the silica gel liquid conveying pipe 7 is contained in the middle of the shell, and the optimal data acquisition position is formed by the bubble detection sensor 4 and the pressure sensor 5, so that the two sensors can accurately acquire data;
the bubble detection sensor 4 is an infrared transmitting and receiving tube and a reflecting surface which are oppositely arranged on the left side wall 2 and the right side wall 3, the bubble detection sensor 4 can also adopt a transmitting and receiving integrated tube, the electrical connection can be reduced by adopting the transmitting and receiving integrated tube, the bubble detection sensor 4 only uses one tube, and the opposite position is designed into a plane, so that the size of the shell can be reduced, and the size of the shell is smaller; when air bubbles exist in 7 paths of the infusion tube, infrared light emitted by the emitting tube of the infrared emitting and receiving tube is emitted back through the opposite reflection surface, and the receiving tube of the infrared emitting and receiving tube receives light rays to realize data acquisition and feedback
When the bubbles in the infusion tube 7 pass through the bubble detection sensor 4, the light received by the receiving tube is different from the light passing through the liquid, so that whether the bubbles pass through is judged;
when the tube body is blocked, the silica gel infusion tube 7 is stressed to expand, the transmission block 6 transmits the expansion force to the pressure sensor 5, and whether the tube is blocked or not is judged by judging the pressure of normal infusion and the blocked pressure.
Use during the device that is used for detecting electron infusion pump bubble and obstruction simultaneously that this application provided, through bubble detection sensor 4 and pressure sensor 5 realize detecting the bubble and the infusion pressure of transfer line 7 to need not install the bubble additional in electron infusion pump and detect and block up two sensors, avoid increasing the weight and the volume of electron infusion pump conveniently carry.
Specifically, the bubble detection sensor 4 and the pressure sensor 5 are respectively inserted or attached to a circuit board, so that the design has the advantages that the pressure sensor 5 and the bubble detection sensor 4 have more pins and are integrated in a shell, the connection with a control mainboard is inconvenient, the electrical connection of the two sensors can be converged on the circuit board by designing one circuit board and can be connected with the control board by arranging wires, and the advantages of regular wiring, simple process and high production efficiency are achieved; a PCB is designed according to the positions of a pressure sensor 5 and a bubble detection sensor 4 in the shell, the bubble detection sensor 4 is directly inserted and welded on the PCB, the pressure sensor 5 is pasted and welded on the PCB, then connecting wires of the two sensors are arranged at the edge of the PCB and connected with an FPC (flexible printed circuit) connector, and the connecting wires are connected with a control main board through a flat cable.
In another embodiment, the bubble detection sensor 4 includes an ultrasonic wave transmitting tube and an ultrasonic wave receiving tube respectively disposed on the left sidewall 2 and the right sidewall 3, and the ultrasonic wave transmitting tube and the ultrasonic wave receiving tube are oppositely disposed;
the bubble detection sensor 4 can also realize bubble alarm in an ultrasonic mode, and the detection of bubbles can be realized in the shell by infrared light or ultrasonic waves; similarly to the infrared sensor, the data of passing ultrasonic waves through the liquid and the data of passing gas are compared to determine whether or not bubbles are present.
In the above embodiment, the device further includes a conducting block 6, the conducting block 6 is disposed above the pressure sensor 5, and is configured to receive the pressure generated by the expansion of the infusion tube 7 and transmit the pressure to the pressure sensor 5 in a reaction manner, and by using the conducting block 6, the contact surface between the pressure sensor 5 and the infusion tube 7 can be increased, so that the expansion change of the infusion tube 7 can be accurately conducted to the pressure sensor 5; the setting of conduction block 6 is in pressure sensor 5's top, with 7 way laminating of silica gel transfer line, when 7 ways of emergence deformations of silica gel transfer line, pressure sensor 5 can be transfered through conduction block 6 to deformation power, the acquisition pressure developments that make pressure sensor 5 can be better.
In this embodiment, the shell is U-shaped, and the design into U-shaped groove is for the convenience of blocking silica gel transfer line 7, makes silica gel transfer line 7 better place in the intermediate position of shell.
Also can with the shell sets up to semi-circular arc, and semi-circular arc's design is unanimous with the effect of U type design, is for better blocking silica gel transfer line 7, makes transfer line 7 be located inside the arc device, forms the best detection position with bubble detection sensor 4 and pressure sensor 5.
Specifically, the data processing module still includes amplifier, AD converter and singlechip, and the benefit of design like this is in order to handle signal data better, and the amplifier is enlargied the analog signal of sensor, passes through the analog signal that AD converter will change and turns into digital signal, sends to the singlechip and carries out data comparison after the conversion is accomplished to reduce the error, improve detectivity.
The utility model discloses set up the threshold value before using in singlechip internal program earlier, by the data of singlechip contrast data acquisition module collection and the size of threshold value, if the data acquisition is bigger than the predetermined threshold value, then show alarm module and send alarm signal. When bubbles appear in the infusion tube 7, the voltage value of the light received by the receiving tube is different from the normal voltage value, and whether a bubble alarm is sent out or not is judged through the comparative analysis of the singlechip; meanwhile, the pressure transmission module transmits the pressure change of the tube wall of the infusion tube 7 to the pressure sensor 5 in real time, judges whether to send out an occlusion alarm or not through the comparison and analysis of the single chip microcomputer, and feeds back the result to the output display alarm module.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A device for simultaneously detecting bubbles and blockage of an electronic infusion pump comprises a data processing module and a display alarm module, and is characterized by also comprising a data acquisition module and a shell, wherein the data acquisition module is electrically connected with the display alarm module through the data processing module; the shell has bottom and left side wall and right side wall, form the recess that is used for holding the transfer line between left side wall and the right side wall and the bottom, data acquisition module includes bubble detection sensor and pressure sensor, bubble detection sensor is located the left side wall and/or the inboard of right side wall, pressure sensor is located the bottom.
2. The device for simultaneously detecting air bubbles and clogging of an electronic infusion pump according to claim 1, wherein the air bubble detecting sensor and the pressure sensor are respectively plugged or mounted on a circuit board.
3. The device for simultaneously detecting air bubbles and clogging of an electronic infusion pump according to claim 2, wherein the air bubble detection sensor comprises an infrared emission tube and a reflection surface which are respectively arranged on the left side wall and the right side wall, and the infrared emission tube and the reflection surface are oppositely arranged.
4. The device for simultaneously detecting bubbles and obstructions in an electronic infusion pump according to claim 2, wherein the bubble detection sensor comprises an ultrasonic wave emitting tube and an ultrasonic wave receiving tube respectively disposed on the left side wall and the right side wall, and the ultrasonic wave emitting tube and the ultrasonic wave receiving tube are oppositely disposed.
5. The device for simultaneously detecting air bubbles and obstructions of an electronic infusion pump as recited in claim 1, further comprising a conductive block disposed above said pressure sensor for receiving pressure from inflation of an infusion line and transmitting back to said pressure sensor.
6. The device for simultaneously detecting electronic infusion pump bubbles and occlusions of claim 1, wherein said housing is U-shaped.
7. The device for simultaneously detecting electronic infusion pump bubbles and occlusions of claim 1, wherein said housing is semi-circular arc shaped.
8. The device for simultaneously detecting air bubbles and blockage of an electronic infusion pump as claimed in claim 1, wherein the data processing module further comprises an amplifier, an A/D converter and a single chip microcomputer, the amplifier is used for receiving the signal of the data acquisition module, the signal is converted into a digital signal through the A/D converter, and the single chip microcomputer analyzes and processes the digital signal and transmits the processing result to the display alarm module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021316133.7U CN213466364U (en) | 2020-07-08 | 2020-07-08 | Device for simultaneously detecting bubbles and blockage of electronic infusion pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021316133.7U CN213466364U (en) | 2020-07-08 | 2020-07-08 | Device for simultaneously detecting bubbles and blockage of electronic infusion pump |
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| CN213466364U true CN213466364U (en) | 2021-06-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404726A (en) * | 2022-02-08 | 2022-04-29 | 河南工业大学 | Automatic detection device and method for infusion blockage of analgesia pump |
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2020
- 2020-07-08 CN CN202021316133.7U patent/CN213466364U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404726A (en) * | 2022-02-08 | 2022-04-29 | 河南工业大学 | Automatic detection device and method for infusion blockage of analgesia pump |
| CN114404726B (en) * | 2022-02-08 | 2024-02-23 | 河南工业大学 | Automatic detection device and method for infusion blockage of analgesic pump |
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