CN209967274U - Infusion measurement and control device - Google Patents
Infusion measurement and control device Download PDFInfo
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- CN209967274U CN209967274U CN201920410389.5U CN201920410389U CN209967274U CN 209967274 U CN209967274 U CN 209967274U CN 201920410389 U CN201920410389 U CN 201920410389U CN 209967274 U CN209967274 U CN 209967274U
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Abstract
The utility model discloses an infusion measurement and control device, which comprises a main control unit, a frequency meter, a dripping speed display module, a numerical value comparator, a man-machine interaction module, a data transmission module and an alarm device, wherein the frequency meter, the dripping speed display module, the numerical value comparator, the man-machine interaction module, the data transmission module and the alarm device are respectively connected with the main control unit; the dripping speed measuring module is connected with the frequency meter; the dripping speed setting module and the dripping speed adjusting module are respectively connected with the numerical value comparator; the man-machine interaction module and the data transmission module are connected with the server. The dripping speed measuring module is an infrared photoelectric sensor and generates a pulse signal; the frequency meter calculates a pulse signal to obtain a dropping speed value; the main control unit sends the dripping speed value to the dripping speed display module and the numerical comparator; the numerical value comparator sends an adjusting signal to the dripping speed adjusting module; the dripping speed adjusting module is arranged on a hose of the infusion apparatus and comprises a base, a motor and a speed controller. The device can measure and display the dropping speed during transfusion, and can automatically control the dropping speed according to a preset value.
Description
Technical Field
The utility model relates to a measurement and control device especially relates to an infusion measurement and control device.
Background
The existing transfusion measurement and control products can only measure speed and alarm, cannot upload and gather data, and further cannot control the transfusion speed, most devices are independently equipped, and existing transfusion supports cannot be utilized, so that the cost is high, and the popularization difficulty is high.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a dropping liquid speed measurement control device based on cloud platform provides a more high-efficient, more simple and convenient infusion measurement and control device for the hospital management patient dropping liquid condition.
The technical scheme is as follows: the utility model discloses an infusion measurement and control device, which comprises a main control unit, a frequency meter, a dripping speed display module, a numerical value comparator, a man-machine interaction module, a data transmission module and an alarm device, wherein the frequency meter, the dripping speed display module, the numerical value comparator, the man-machine interaction module, the data transmission module and the alarm device are respectively connected with the main control unit; the dripping speed measuring module is connected with the frequency meter; the dripping speed setting module and the dripping speed adjusting module are respectively connected with the numerical value comparator; the man-machine interaction module and the data transmission module are connected with the server;
the server is used for storing data in real time and sending instructions;
the drip speed measuring module is an infrared photoelectric sensor and is arranged at the position of a drip chamber of the infusion apparatus, liquid drops penetrate through the middle of the infrared transceiving end to generate pulse signals, and the pulse signals are sent to the frequency meter;
the frequency meter calculates the frequency of the pulse signal so as to obtain a measurement value of the dropping speed, and sends the measurement value to the main control unit; the main control unit sends the measured value of the dripping speed to a dripping speed display module for displaying, sends the measured value to a numerical comparator for comparison, and transmits the measured value to a server for real-time storage through a man-machine interaction module and/or a data transmission module;
the dripping speed setting module is used for inputting a preset value of dripping speed by a user, and the preset value is sent to the numerical value comparator; the numerical value comparator compares the measured value of the dripping speed with a preset value and sends an adjusting signal to the dripping speed adjusting module according to the comparison result;
the dripping speed adjusting module is arranged on a hose of the infusion apparatus and comprises a base, a motor and a speed controller; the base is provided with a groove, the motor and the speed controller are arranged on the base, the speed controller is partially embedded into the groove, and a gap is formed between the speed controller and the groove for the hose of the infusion apparatus to pass through; the motor controls the steering of the speed controller according to the signal; the speed controller has a contour with gradually changed curvature; a rotating shaft of the motor penetrates through the speed controller and is connected with the speed controller to drive the speed controller to rotate, and the part with the maximum curvature on the outline of the speed controller is contacted with a hose of the infusion apparatus;
when the detected dripping speed measurement value is zero or the dripping speed adjusting module is in fault, the main control unit triggers the alarm device to alarm.
Preferably, the human-computer interaction module is a mobile phone program, and the mobile phone program comprises a patient information module, a medicine information module, a speed control module and a transfusion suspension module.
Preferably, the data transmission module is a gateway, and includes a bluetooth module and an NB-IoT module for transmitting and receiving signals.
Preferably, the human-computer interaction module is respectively connected with the main control unit and the server through wireless signals.
Preferably, the data transmission module is respectively connected with the main control unit and the server through wireless signals.
Preferably, the wireless signal is one of bluetooth, ZigBee, LORA, Wifi.
Preferably, the profile of the speed controller comprises a wave-shaped part which is not in contact with the infusion set hose.
Preferably, the magnitude of the change in curvature of the speed control profile decreases with increasing radius of curvature.
Preferably, the rotating shaft of the motor passes through the center of curvature of the speed controller, and the rotating shaft is bonded with the speed controller.
Preferably, the drop speed setting module receives an input from a user by using a numeric keypad.
The working principle is as follows: when in transfusion, the dripping speed display module is arranged at the position of a dripping hopper of the transfusion device, and the dripping speed adjusting module is arranged on a hose of the transfusion device. The liquid drop passes through the middle of the infrared ray transmitting and receiving end. When no liquid drop exists, an infrared signal exists between the infrared receiving and transmitting ends; when liquid drops exist, the infrared signals between the transmitting and receiving ends are shielded, so that pulse signals are generated, and the frequency of the pulse signals is the same as the dropping speed. The frequency of the pulse signal is measured by the frequency meter, namely the measured value of the dripping speed is obtained, and the measured value is displayed on the dripping speed display module through the forwarding of the main control unit.
The user inputs a required dropping speed value, namely a preset value, through the dropping speed setting module. The main control unit sends the measured value of the dripping speed to a numerical comparator, the numerical comparator compares a preset value with the measured value, if the measured value is larger than the preset value, a deceleration signal is sent to a dripping speed adjusting module, and a motor drives a speed controller to rotate, so that the squeezing pressure is increased, and the dripping speed is reduced; if the measured value is smaller than the preset value, a speed increasing signal is sent to the dripping speed adjusting module, the motor drives the speed controller to rotate reversely, the squeezing pressure is reduced, and the dripping speed is increased.
When the main control unit receives a signal that the dropping speed measured value is zero or the dropping speed adjusting module is abnormal in rotation, the alarm device is triggered to alarm.
The main control unit sends the detection data to the server through the data transmission module for real-time storage, so that a user can conveniently check the data in real time or search and analyze the previous data; the server transmits the command signal to the main control unit through the data transmission module.
The human-computer interaction module is a mobile phone software, comprises a patient information module, a medicine information module, a speed control module and a transfusion pause module, receives data through Bluetooth in the mobile phone, and can upload the data to the server. The user can perform personalized management and monitoring on each patient through the operation of the specific module. The user can operate the control device directly through operating the server, and can operate the control device through operating the human-computer interaction module.
Has the advantages that: compared with the prior art, the utility model, following beneficial effect has: (1) the dripping speed can be monitored in real time through a man-machine interaction module such as a mobile phone program, and each patient can be managed and monitored individually through a patient information module, a medicine information module, a speed control module and a transfusion suspension module, so that the intelligent infusion monitoring system is more intelligent; (2) the dripping speed adjusting device is light and simple and can accurately control the dripping speed.
Drawings
FIG. 1 is a block diagram of the transfusion measurement and control device of the present invention;
FIG. 2 is a schematic view of a dripping speed adjusting module device of the infusion measurement and control device of the utility model;
FIG. 3 is a schematic view of the speed controller of the infusion measurement and control device of the present invention;
fig. 4 is a schematic view of the base of the transfusion measurement and control device of the utility model.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific examples.
As shown in fig. 1, the utility model discloses an infusion measurement and control device, which comprises a main control unit 1, a frequency meter 3, a dripping speed display module 4, a numerical value comparator 6, a man-machine interaction module 8, a data transmission module 9 and an alarm device 11, wherein the frequency meter 3, the dripping speed display module 4, the numerical value comparator 6, the man-machine interaction module 8, the data transmission module 9 and the alarm device 11 are respectively connected with the main control unit; the dripping speed measuring module 2 is connected with a frequency meter 3; the dripping speed setting module 5 and the dripping speed adjusting module 7 are respectively connected with the numerical comparator 6; the human-computer interaction module 8 and the data transmission module 9 are connected with the server 10;
the dripping speed measuring module 2 is an infrared photoelectric sensor and is arranged at the position of a dripping funnel of the infusion apparatus, liquid drops pass through the middle of an infrared receiving and transmitting end to generate a pulse signal, and the pulse signal is sent to the frequency meter 3; in this embodiment, the drop velocity measuring module adopts an infrared photoelectric sensor with model number H92B 4.
The frequency meter 3 calculates the frequency of the pulse signal, thereby obtaining a measurement value of the dropping speed, and sends the measurement value to the main control unit 1; the main control unit 1 sends the measured value of the dripping speed to the dripping speed display module 4 for displaying, sends the measured value to the numerical value comparator 6 for comparison, and transmits the measured value to the server 10 for real-time storage through the man-machine interaction module 8 and/or the data transmission module 9; if the measured value is zero or the dripping speed adjusting module is abnormal in rotation, the main control unit 1 triggers the alarm device 11 to give an alarm; in this embodiment, the drop rate display module adopts an OLED screen; the numerical comparator uses a 74ls85 chip.
The dripping speed setting module 5 is used for inputting a preset value of dripping speed by a user, and the preset value is sent to the numerical value comparator 6; the numerical value comparator 6 compares the measured value of the dripping speed with a preset value, and sends an adjusting signal to the dripping speed adjusting module 7 according to the comparison result; in this embodiment, the drop rate setting module receives an input from a user by using a numeric keypad.
As shown in fig. 2, which is a device diagram of the drip speed adjusting module 7, is installed on a hose of an infusion set, and comprises a base 12, a motor 13 and a speed controller 14; the base 12 is provided with a groove 15, the motor 13 and the speed controller 14 are arranged on the base 12, part of the speed controller 14 is embedded in the groove 15, and a gap is formed between the speed controller 14 and the groove 15 for a hose of an infusion apparatus to pass through; the motor 13 controls the steering of the speed controller 14 according to the signal; the speed controller 14 has a contour with gradually changed curvature, and a wavy part is contained, so that the speed controller is not in contact with the infusion set hose, and the curvature change amplitude of the contour of the speed controller 14 is reduced along with the increase of the curvature radius; a rotating shaft 16 of the motor 13 penetrates through the speed controller 14 and is bonded with the speed controller 14 to drive the speed controller 14 to rotate; the B point with the maximum curvature on the contour of the speed controller 14 is contacted with a hose of an infusion set;
the human-computer interaction module 8 is a mobile phone program and is connected with the main control unit 1 through wireless signals, and the mobile phone program comprises a patient information module, a medicine information module, a speed control module and a transfusion suspension module.
Fig. 3 is a schematic diagram of the speed controller 14, and the dashed-dotted line is an auxiliary line of the design drawing. The curvature center is point O, and the rotating shaft 16 of the motor 13 passes through the center to drive the speed controller 14 to rotate. In this example, R1 was 7.3mm, R2 was 9.4mm, R3 was 10.5mm, and R4 was 11.6 mm. When the device is in a non-working state, the hose is positioned below the wavy shape of the outline of the speed controller 2, the speed controller 2 cannot extrude and deform the hose, after the device starts to work, the motor 13 rotates anticlockwise, the hose is firstly in point contact with the A point with the maximum curvature of the speed controller 14, and when the speed controller 14 continues rotating anticlockwise for an angle, the extrusion pressure of the hose is increased, and the dripping speed is reduced; when the speed controller 14 rotates clockwise by an angle, the extrusion pressure of the speed controller on the hose is reduced, and the dripping speed is increased; when the point B with the minimum curvature is reached, the hose is completely blocked, and the liquid drops stop flowing; wherein, the speed controller 14 needs to rotate 30 degrees from the curvature radius of 7.3mm to 9.4mm, needs to rotate 80 degrees from 9.4mm to 10.5mm, and needs to rotate 143 degrees from 10.5mm to 11.6 mm. The rotation of the speed controller 14 is controlled BY the motor 13, and the GM12-15BY two-phase four-wire stepping speed reducing motor with the diameter of 15mm is adopted in the embodiment.
Fig. 4 is a schematic view of the base 12, the recess 15 is provided with a fixing hole 17 on one side wall of the recess 15, and one end of the rotating shaft 16 of the motor 13 passes through the fixing hole 17, so that the speed controller 14 is partially inserted into the recess 15.
When the device is used in a hospital, the dripping speed display module 4, the dripping speed setting module 5, the server 10 and the alarm device 11 can be arranged in a control center, such as a nurse station; the other modules are arranged on an infusion apparatus used by an infusion patient. The human-computer interaction module 8 is, for example, mobile phone software, and comprises a patient information module, a medicine information module, a speed control module and a transfusion pause module, receives data through bluetooth in the mobile phone, and can upload the data to the server 10. The user can perform personalized management and monitoring on each patient through the operation of the specific module, not only can directly send an instruction to the main control unit through the operation of the server, but also can send the instruction to the server through the specific operation of the man-machine interaction module, and then the server sends the instruction. Thus, the nurse station can remotely view and control infusion for multiple patients. The wireless signal is one of Bluetooth, ZigBee, LORA and Wifi. In this embodiment, the main control unit adopts a low power consumption bluetooth SOC manufactured by Dialog corporation and having a model number DA 14681.
Claims (10)
1. The infusion measurement and control device is characterized by comprising a main control unit (1), a frequency meter (3), a dripping speed display module (4), a numerical value comparator (6), a man-machine interaction module (8), a data transmission module (9) and an alarm device (11), wherein the frequency meter, the dripping speed display module, the numerical value comparator (6), the man-machine interaction module, the data transmission module and the alarm device are respectively connected with the main control unit (1); the dripping speed measuring module (2) is connected with the frequency meter (3); the dripping speed setting module (5) and the dripping speed adjusting module (7) are respectively connected with the numerical comparator (6); the human-computer interaction module (8) and the data transmission module (9) are connected with the server (10);
the dripping speed measuring module (2) is an infrared photoelectric sensor and is arranged at the position of a dripping funnel of the infusion apparatus, liquid drops penetrate through the middle of an infrared transceiving end to generate a pulse signal, and the pulse signal is sent to the frequency meter (3);
the frequency meter (3) calculates the frequency of the pulse signal so as to obtain a measurement value of the dropping speed, and sends the measurement value to the main control unit (1); the main control unit (1) sends the measured value of the dripping speed to a dripping speed display module (4) for displaying, sends the measured value to a numerical value comparator (6) for comparison, and transmits the measured value to a server (10) for real-time storage through a human-computer interaction module (8) and/or a data transmission module (9);
the dripping speed setting module (5) is used for inputting a preset value of dripping speed by a user, and the preset value is sent to the numerical value comparator (6); the numerical value comparator (6) compares the measured value of the dripping speed with a preset value, and sends an adjusting signal to the dripping speed adjusting module (7) according to the comparison result;
the dripping speed adjusting module (7) is arranged on a hose of an infusion apparatus and comprises a base (12), a motor (13) and a speed controller (14); the base (12) is provided with a groove (15), the motor (13) and the speed controller (14) are arranged on the base (12), part of the speed controller (14) is embedded into the groove (15), and a gap is formed between the speed controller (14) and the groove (15) for a hose of an infusion apparatus to pass through; the motor (13) controls the steering of the speed controller (14) according to signals; the speed controller (14) has a profile with a gradual curvature; a rotating shaft (16) of the motor (13) penetrates through the speed controller (14) and is connected with the speed controller (14) to drive the speed controller (14) to rotate, and the position with the maximum curvature on the outline of the speed controller (14) is contacted with a hose of an infusion set.
2. The infusion measurement and control device according to claim 1, wherein the human-computer interaction module (8) is a mobile phone program, and the mobile phone program comprises a patient information module, a drug information module, a speed control module and an infusion suspension module.
3. The infusion measurement and control device according to claim 1, wherein the data transmission module (9) is a gateway and comprises a bluetooth module and an NB-IoT module for transmitting and receiving signals.
4. The infusion measurement and control device according to claim 1, wherein the human-computer interaction module (8) is connected with the main control unit (1) and the server (10) through wireless signals.
5. The infusion measurement and control device according to claim 1, wherein the data transmission module (9) is connected with the master control unit (1) and the server (10) through wireless signals.
6. The infusion measurement and control device according to claim 4 or 5, wherein the wireless signal is one of Bluetooth, ZigBee, LORA and Wifi.
7. The infusion measurement and control device according to claim 1, wherein the profile of the speed controller (14) comprises a wave-shaped portion which is not in contact with the infusion set hose.
8. The infusion monitoring device according to claim 1, wherein the magnitude of the change in curvature of the profile of the speed controller (14) decreases with increasing radius of curvature.
9. The infusion measurement and control device according to claim 1, characterized in that a rotating shaft (16) of the motor (13) passes through the center of curvature of the speed controller (14), and the rotating shaft (16) is bonded with the speed controller (14).
10. The infusion measurement and control device according to claim 1, wherein the drop rate setting module (5) receives input from a user using a numeric keypad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410389.5U CN209967274U (en) | 2019-03-28 | 2019-03-28 | Infusion measurement and control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410389.5U CN209967274U (en) | 2019-03-28 | 2019-03-28 | Infusion measurement and control device |
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| CN209967274U true CN209967274U (en) | 2020-01-21 |
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| CN201920410389.5U Active CN209967274U (en) | 2019-03-28 | 2019-03-28 | Infusion measurement and control device |
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