CN209500442U - A kind of drop detection warning device - Google Patents
A kind of drop detection warning device Download PDFInfo
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- CN209500442U CN209500442U CN201821782379.6U CN201821782379U CN209500442U CN 209500442 U CN209500442 U CN 209500442U CN 201821782379 U CN201821782379 U CN 201821782379U CN 209500442 U CN209500442 U CN 209500442U
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- circuit
- liquid level
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- control board
- electrical connected
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Abstract
The utility model relates to a kind of drops to detect warning device, including buzzer, OLED liquid crystal screen, main control board, push-button unit, lower part loading basket, liquid level sensor, top fixing belt, WIFI communication module and chain joint；Liquid level sensor is electrical connected with main control board, changes to detect liquid level in infusion bottle；Buzzer is electrical connected with main control board, to alarm when infusion bottle liquid level is lower than lower limit；OLED liquid crystal screen is electrical connected with main control board, to real-time display present infusion state；Push-button unit is electrical connected with master control circuit plate, to carry out liquid level calibration, cancel alarm and urgent call；Main control board is electrical connected with WIFI communication module, and WIFI communication module is connected with the communication of host services end, to feed back to nurse's duty room and alarm infusion information；Lower part loads basket and top fixing belt is attached by chain joint.
Description
Technical field
The utility model relates to medical instrument monitoring arts, and in particular to a kind of drop detection warning device.
Background technique
Infusion, which is called, has an intravenous drip, and is treated by intravenous injection to medical treatment sufferer, being that hospital admission is most common controls
Treatment means.Sufferer infusion process in, often due to having a delicate constitution for sufferer and enter stupor or fall asleep state, and
Medical staff just handles affairs elsewhere and whole can not be managed to infusion, so that special messenger be needed to nurse, that is, increases doctor
The work load of shield personnel is also unfavorable for the health of sufferer and the management to hospital inpatient area.When infusion bottle liquid medicine drips off
When, if medical staff does not take needle in time, sufferer will due to blank pipe blood back, or even can be because long-time blood back cause to have an acupuncture treatment
Place generates swelling.If just taking needle in the case where complete under medical fluid does not have also, it will cause the influences of the waste of drug and therapeutic effect.
At present infusion management using infusion pump be clinical transfusion control a kind of means, it is carried out by way of extruding
Drug input at regular time and quantity, but the process and unstable being infused may be implemented in infusion.And machine cost is high, consumable quantity
Greatly, it can only be used in the case where urgent rescue and grave illness, it is difficult to be popularized.Therefore it is treated in hospital's sufferer from now on
During, need more accurately to be monitored infusion, performance stabilization low in cost it is necessary to research and develop and produce, safety
Reliable novel medical device, has good market prospects.
Summary of the invention
In view of this, the purpose of the utility model is to provide a kind of drops to detect warning device, patient can be reminded in time
And medical staff pays attention to liquid level information in infusion bottle.
The utility model is realized using following scheme: a kind of drop detection warning device, including buzzer, OLED liquid crystal
Screen, main control board, push-button unit, lower part load basket, liquid level sensor, top fixing belt, WIFI communication module and chain
Connector；
The liquid level sensor is electrical connected with the main control board, changes to detect liquid level in infusion bottle；
The buzzer is electrical connected with the main control board, to alarm when infusion bottle liquid level is lower than lower limit；It is described
OLED liquid crystal screen is electrical connected with the main control board, to real-time display present infusion state；The push-button unit and institute
It states master control circuit plate to be electrical connected, to carry out liquid level calibration, cancel alarm and urgent call；The main control board and institute
It states WIFI communication module to be electrical connected, the WIFI communication module is connected with the communication of host services end, to infusion information is anti-
It is fed to nurse's duty room and alarms；The lower part loads basket and the top fixing belt is connected by the chain joint
It connects.
Further, control chip, reset circuit, crystal oscillating circuit, power circuit, use are integrated on the main control board
To connect the WIFI interface circuit of the WIFI communication module and the main control board, to control pressing for the push-button unit
Key circuit, the buzzer drive circuit to control the buzzer, the OLED liquid crystal screen to control the OLED liquid crystal screen
Display circuit and the level threshold detection circuit to control the liquid level sensor；The reset circuit, crystal oscillator electricity
Road, the WIFI interface circuit, the power circuit, the key circuit, the buzzer drive circuit, the OLED liquid crystal
Screen display circuit and the level threshold detection circuit are electrical connected with the control chip.
Further, the control chip is using single-chip microcontroller, model STC89C52.
Further, the liquid level sensor is using capacitance type sensor, model FDC2214.
Compared with prior art, the utility model has the following beneficial effects:
The utility model is able to carry out level sensing and shows liquid level information, and when liquid level is too low, buzzer can be timely
Patient and medical staff is reminded to pay attention to liquid level information；Medical staff can also be transferred to host computer by WIFI communication module simultaneously
Information be monitored and check infusion information, transfusion condition can be handled in time, reduce security risk.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the total system of the utility model embodiment.
Wherein, 1 be buzzer, 2 be OLED liquid crystal screen, 3 be main control board, 4 be push-button unit, 5 be lower part load basket
Son, 6 be liquid level sensor, 7 be chain joint, 8 be WIFI communication module, 9 be top fixing belt.
Fig. 2 is the hardware three-view diagram of the utility model embodiment.
Fig. 3 is the structural block diagram of the utility model embodiment.
Fig. 4 is the reset circuit of the utility model embodiment.
Fig. 5 is the crystal oscillating circuit of the utility model embodiment.
Fig. 6 is the control chip circuit of the utility model embodiment.
Fig. 7 is the buzzer drive circuit of the utility model embodiment.
Fig. 8 is the power circuit of the utility model embodiment.
Fig. 9 is the key circuit of the utility model embodiment.
Figure 10 is the OLED liquid crystal display circuit of the utility model embodiment.
Figure 11 is the level threshold detection circuit of the utility model embodiment.
Figure 12 is the WIFI interface circuit of the utility model embodiment.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and embodiments.
As shown in Figure 1, 2, 3, a kind of drop detection warning device, including buzzer 1, OLED liquid crystal are present embodiments provided
Screen 2, main control board 3, push-button unit 4, lower part load basket 5, liquid level sensor 6, chain joint 7, WIFI communication module 8 and
Top fixing belt 9；
The liquid level sensor 6 is electrical connected with the main control board 3, becomes to detect liquid level in infusion bottle
Change；The buzzer 1 is electrical connected with the main control board 3, to alarm when infusion bottle liquid level is lower than lower limit；Institute
It states OLED liquid crystal screen 2 to be electrical connected with the main control board 3, to real-time display present infusion state；The push-button unit 4
It is electrical connected with the master control circuit plate, to carry out liquid level calibration, cancel alarm and urgent call；The main control board
3 are electrical connected with the WIFI communication module 8, and the WIFI communication module is connected with the communication of host services end, will be infused
Information feedback is to nurse's duty room and alarms；The lower part loads basket 5 and the top fixing belt 9 passes through the link
First 7 are attached.
In the present embodiment, control chip, reset circuit, crystal oscillating circuit, power supply are also integrated on the main control board 3
Circuit, the WIFI interface circuit to connect the WIFI communication module 8 and the main control board 3, to control described press
The key circuit of key unit 4, the buzzer drive circuit to control the buzzer 1, to control the OLED liquid crystal screen
OLED liquid crystal screen display circuit and the level threshold detection circuit to control the liquid level sensor 6；The reset electricity
Road, the crystal oscillating circuit, the WIFI interface circuit, the power circuit, the key circuit, buzzer driving electricity
Road, the OLED liquid crystal screen display circuit and the level threshold detection circuit are electrical connected with the control chip.
In the present embodiment, the control chip is using single-chip microcontroller, and model STC89C52, it is using ATMEL
The manufacture of high density nonvolatile storage manufacturing technology, it is mutually compatible with the MCS-51 instruction set and output pin of industrial standard.Possess 8
Bit CPU and can System Programming flash memory, be a kind of efficient microcontroller.
In the present embodiment, the liquid level sensor 6 is using capacitance type sensor, model FDC2214.
Particularly, in the present embodiment, buzzer 1 is onsite alarming device.As shown in fig. 7, control pin is by master control electricity
The control of road plate 3；In infusion, when infusion bottle liquid level is less than lower limit value, main control board 3 can issue control signal and drag down buzzing
The control pin of device 1, exports low level, and triggering alarm makes buzzer 1 issue the sound, to remind medical staff and sufferer to hair
Raw emergency carries out reply appropriate.
Particularly, in the present embodiment, as shown in Figure 10, OLED liquid crystal screen 2, using 0.96 cun of OLED liquid crystal display
Screen.It had both possessed ultrafast response speed and frivolous advantage, and good in anti-interference performance, inside is solid-state mechanism, without liquids
Matter, therefore anti-seismic performance is more preferable, not fear of throwing；The problem of almost without visible angle, even if being watched under very big visual angle, picture
Still undistorted；Meet the various demands in scene, it realizes that function is, display current level condition prompting, transfusion time mention
Show, the functions such as operation indicating and warning note.
Particularly, in the present embodiment, as shown in Figure 4,5, 6, removed on main control board 3 and integrate basic control chip, crystal oscillator
Circuit and reset circuit (minimum system circuit) outside, are also integrated with WIFI communication module.The power supply of main control board 3 uses 3.3V knob
Battery powered mode is detained, power circuit is as shown in Figure 8.Chip is controlled using timer/meter inside single-chip microcontroller STC89C52
Number device carries out timing, realizes the timing of transfusion time, drives OLED liquid crystal screen 2, carries out time showing.Read external level sensing
The data of device 6, and data value is shown.ESP8266 WIFI communication module is selected on main control board 3, in conjunction with control core
The real-time status of infusion is sent to host services end, realizes the function of remotely checking by piece.The function that main control board 3 is realized
Have, key detection, liquid level numerical value conversion, driving display, the functions such as starting alarm.
In the present embodiment, as shown in figure 9, when pressing keycap, the reset spring in key is compressed, rotor contact with it is quiet
Piece contact is connected, and key is connected, and corresponding key sends a low level to one-chip machine port, unclamps keycap key and disconnects.Key list
Member 4 is made of three keys, and from left to right, the function of realization is respectively key: alarm, urgent call are cancelled in liquid level calibration.It opens
When beginning to be infused, medical staff needs to put infusion bottle well, presses liquid level calibration key, records current liquid level inductance value, be infused
Inductance value is different when journey liquid level reduces.If there is abnormal conditions are, can be called with manual emergency.At the end of infusion, medical staff
It needs to press cancellation alarm, terminates alarm.
In the present embodiment, lower part loads basket 4 and top fixing belt 9, is made of PPS material, which has hard
Degree is high, the features such as thermal stability is good, and high mechanical strength, electrical insulation capability are excellent.Meet real work demand.
Particularly, in the present embodiment, as shown in figure 11, liquid level sensor 6 uses capacitance type sensor FDC2214, is
A kind of low-power consumption, low cost and high-resolution contactless detection technology, suitable for from proximity test liquid level sensing field
Items application.Using innovative anti-EMI filter framework, performance can be maintained constant in high-noise environment.It supports using long-range
Sensor and tracking environmental at any time, the situation of change of temperature and humidity.Under suspend mode, super low-power consumption.Medical staff starts
When infusion, liquid level calibration key is pressed, when liquid level gradually decreases in infusion process, inductance value can also be gradually decreased, and be when being lower than
When the lower limit value of system setting, system trigger alarm peripheral hardware realizes warning function.
Particularly, in the present embodiment, chain joint 7 realizes that basket 5 and top are reprinted in lower part by the way of mechanical connection
The connection of fixing belt.
Preferably, in the present embodiment, medical staff can initialize the liquid level information of infusion bottle by keyboard, work as infusion
When bottle liquid level is reduced to certain height, it is able to achieve the acquisition and display of infusion bottle liquid level, and compared with preset threshold value
Compared with making warning note.OLED liquid crystal display can show transfusion time length.As shown in figure 12, by WIFI interface circuit,
Main control board 3 controls 8 data transmit-receive of WIFI communication module, can feed back the information of infusion process to nurse's duty room, when
When infusion liquid level is less than lower threshold, device can be with automatic alarm, while wirelessly alarming to nurse room.The present embodiment has operation
Convenience, intuitive display, can centralized control, have many advantages, such as warning function.The present embodiment can allow doctor to stay indoors in office
Just it is observed that patient's transfusion condition, understands to patient's infusion situation, handle the patient for the infusion that is near completion in time, improve
Working efficiency.
Preferably, the present embodiment hardware circuit is by OLCD display portion, capacitance sensor detection part, alarm portion and key
Control part forms, using STC89C52 single chip as core.Using the variation of capacitance sensor detection liquid level, capacitance sensor can
To detect the variation of liquid level, in lower limit, liquid level is reduced, and the dielectric of capacitor plate is reduced, the numerical value of sensor output
Become smaller, by the comparison of numerical value, liquid level information can be monitored.Transfusion condition information is sent to OLCD liquid crystal display mode
Block, real-time display present infusion state, it can be achieved that infusion height real-time update.When infusion bottle liquid level is lower than lower limit, report
The buzzer 1 of alert circuit issues sound, prompts patient and medical staff, and infusion terminates fastly, and medical staff is prompted to handle out in time
Existing problem.
It is noted that the utility model protection is hardware configuration, it is not claimed as control method.Above only
For a preferable embodiment in the utility model embodiment.But the utility model is not limited to the embodiment above, it is all
Any equivalent change and modification done by the utility model, range of the generated function without departing from this programme
When, belong to the protection scope of the utility model.
Claims (4)
1. a kind of drop detects warning device, it is characterised in that: including buzzer, OLED liquid crystal screen, main control board, key list
Member, lower part load basket, liquid level sensor, top fixing belt, WIFI communication module and chain joint；
The liquid level sensor is electrical connected with the main control board, changes to detect liquid level in infusion bottle；It is described
Buzzer is electrical connected with the main control board, to alarm when infusion bottle liquid level is lower than lower limit；The OLED liquid
Crystalline substance screen is electrical connected with the main control board, to real-time display present infusion state；The push-button unit and the master control
Circuit board is electrical connected, to carry out liquid level calibration, cancel alarm and urgent call；The main control board and the WIFI
Communication module is electrical connected, and the WIFI communication module is connected with the communication of host services end, feeding back infusion information to shield
Scholar's duty room is simultaneously alarmed；The lower part loads basket and the top fixing belt is attached by the chain joint.
2. a kind of drop according to claim 1 detects warning device, it is characterised in that: integrated on the main control board
Have control chip, reset circuit, crystal oscillating circuit, power circuit, to connect the WIFI communication module and the governor circuit
The WIFI interface circuit of plate, the key circuit to control the push-button unit, the buzzer to control the buzzer drive
Move circuit, the OLED liquid crystal screen display circuit to control the OLED liquid crystal screen and to control the liquid level sensor
Level threshold detection circuit；It is the reset circuit, the crystal oscillating circuit, the WIFI interface circuit, the power circuit, described
Key circuit, the buzzer drive circuit, the OLED liquid crystal screen display circuit and the level threshold detection circuit are equal
It is electrical connected with the control chip.
3. a kind of drop according to claim 2 detects warning device, it is characterised in that: the control chip using
Single-chip microcontroller, model STC89C52.
4. a kind of drop according to claim 1 detects warning device, it is characterised in that: what the liquid level sensor used
It is capacitance type sensor, model FDC2214.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782379.6U CN209500442U (en) | 2018-10-31 | 2018-10-31 | A kind of drop detection warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821782379.6U CN209500442U (en) | 2018-10-31 | 2018-10-31 | A kind of drop detection warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209500442U true CN209500442U (en) | 2019-10-18 |
Family
ID=68191373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821782379.6U Expired - Fee Related CN209500442U (en) | 2018-10-31 | 2018-10-31 | A kind of drop detection warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209500442U (en) |
-
2018
- 2018-10-31 CN CN201821782379.6U patent/CN209500442U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20201031 |