CN207203174U - A kind of transfusion bottle warning device - Google Patents
A kind of transfusion bottle warning device Download PDFInfo
- Publication number
- CN207203174U CN207203174U CN201621220913.5U CN201621220913U CN207203174U CN 207203174 U CN207203174 U CN 207203174U CN 201621220913 U CN201621220913 U CN 201621220913U CN 207203174 U CN207203174 U CN 207203174U
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- CN
- China
- Prior art keywords
- operational amplifier
- resistance
- warning device
- resistor
- infusion
- 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.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of transfusion bottle warning device, including suspension hook are the utility model is related to, the bottom of the suspension hook is provided with warning device, warning device lower suspension infusion device；Warning device includes sensor assembly, is transmitted for perceiving infusion device weight change, and by infusion device weight signal to alarm module；Alarm module, for judging whether infusion device weight is less than threshold value, if less than being alarmed if threshold value, prompt infusion-completed；In transfusion Times alarm device lower suspension infusion device, weight signal is simultaneously transferred to alarm module by the weight change of the real-time monitoring transfusion device of sensor assembly of transfusion bottle warning device.In infusion process, infusion device weight reduces, and when infusion device weighs less than threshold value, alarm module starts alarm, prompts infusion-completed, and safe and convenient to use, automaticity is high.
Description
Technical field
It the utility model is related to technical field of medical instruments, and in particular to the transfusion bottle that a kind of liquid of prompting in time is totally lost
Warning device.
Background technology
At present in the transfusion such as hospital and outpatient service, it is necessary to which medical personnel and patient and its family members observe transfusion progress, shield
Scholar and related personnel remind medical personnel in time according to transfusion condition, terminate transfusion or change infusion bag.Due to using people
Work notifies, causes after infusion-completed but without infusion-completed is found, use is not safe enough.
Utility model content
The utility model provides a kind of transfusion bottle warning device, can be reminded in time after infusion-completed, safe to use
Convenient, automaticity is high, is easy to promote the use of.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：
A kind of transfusion bottle warning device, it is characterised in that including suspension hook, the bottom of the suspension hook is provided with alarm dress
Put, the warning device lower suspension infusion device；
The warning device includes
Sensor assembly, transmitted for perceiving infusion device weight change, and by infusion device weight signal to alarm mould
Block；
Alarm module, for judging whether infusion device weight is less than threshold value, if less than being alarmed if threshold value, prompt
Infusion-completed.
Beneficial effect：Transfusion Times alarm device lower suspension infusion device, the sensor assembly of transfusion bottle warning device
Weight signal is simultaneously transferred to alarm module by the weight change of real-time monitoring transfusion device.In infusion process, infusion device weight
Amount reduces, and when infusion device weighs less than threshold value, alarm module starts alarm, prompts infusion-completed, safe and convenient to use, from
Dynamicization degree is high.
Further, the sensor assembly includes resistance strain gage R1-R4, and positive source is sequentially connected in series first resistor strain
It is connected after piece R1, zeroing slide resistor RW and second resistance foil gauge R2 with the power cathode；The positive source is successively
It is connected after series connection 3rd resistor foil gauge R3 and the 4th resistance strain gage R4 with power cathode；The resistance strain gage R1-R4 and
Return to zero the weight detecting circuit module that slide rheostat RW is formed, the weight detecting circuit module output end and the warning device
2 signal amplification circuit module connection.
Using the beneficial effect of further technical scheme：Sensor assembly is the circuit that resistor is formed, and works as resistance-strain
Piece R1-R4 with infusion device weight change deform upon when, zeroing slide rheostat RW sliding end output voltage becomes
Change, and the voltage signal of change is exported to signal amplification circuit module, the sensor module structure is simple, dependable performance.
Further, the signal amplification circuit module includes the first-the three operational amplifier, first operational amplifier
U1 input positive terminal is connected with the sliding end of the zeroing slide rheostat RW, the input positive terminal of the second operational amplifier U2
The first Node connectedness of line between the 3rd resistor device R3 and the 4th resistor R4, the first operational amplifier U1's
It has been sequentially connected in series the 7th-the nine resistor R7-R9 between output end and the second operational amplifier U2 output end, the described 7th
The second node is provided between resistor R7 and the 8th resistor R8, is set between the 8th resistor R8 and the 9th resistor R9
The 3rd node, input negative terminal and second Node connectedness of the first operational amplifier U1 are equipped with, the 3rd computing is put
Big device U3 input negative terminal and the 3rd Node connectedness；The output end of the first operational amplifier U1 is also connected the tenth resistance
Input positive terminal after R10 with the 3rd operational amplifier U3 is connected, and the output end of the second operational amplifier U2 is also connected
Input negative terminal after 11st resistance R11 with the 3rd operational amplifier U3 is connected；The 3rd operational amplifier U3's is defeated
Enter anode and also connect and be grounded after the 12nd resistance R12；The input negative terminal of the 3rd operational amplifier U3 also connect the 13rd electricity
It is connected after resistance R13 with the output end of the 3rd operational amplifier U3；The output end of the 3rd operational amplifier U3 with it is described
Alarm module connects.
Using the beneficial effect of further technical scheme：First operational amplifier receives zeroing slide rheostat RW and slided
The voltage signal of output is held, the second operational amplifier receives reference voltage signal, and the 3rd operational amplifier slides variable resistance to zeroing
The voltage signal and reference voltage signal of device RW sliding ends output are compared and amplify and export amplified signal, circuit structure letter
It is single.
Further, the alarm module includes comparator U, and the input positive terminal of the comparator U is put with the 3rd computing
Big device U3 output end connects, and is connected after the 14th resistance R14 of input negative terminal series connection of the comparator U with positive source, institute
The input negative terminal for stating comparator U is also connected and is connected with ground wire after the 15th resistance R15；The output end of the comparator U is with raising one's voice
Device B the first power end connection, the power supply are raised after being also sequentially connected in series the 16th resistor R16 and light emitting diode D with described
Sound device B second source end connection.
Using the beneficial effect of further technical scheme：The comparator U of alarm module input positive terminal receives the 3rd computing
The signal of amplifier output, comparator U input negative terminal receives threshold reference voltages signal, if transfusion is completed, resistance-strain
Piece R1-R4 is deformed upon, and exports the voltage signal of respective change so that the 3rd operational amplifier U3 exports the voltage of respective change
Signal, when the voltage signal is less than threshold reference voltages signal, loudspeaker B circuits are connected, and light emitting diode D lights, loudspeaker B
Audible alarm is carried out, light emitting diode D carries out optical flare alarm, prompts transfusion to complete.
Further, the lower suspension of the warning device has the string bag for containing infusion device.
Using the beneficial effect of further technical scheme：String bag structure is firm and light.
Further, the warning device is additionally provided with warning circuit shell, the sensor assembly, signal amplification circuit mould
Block and alarm module are all arranged in the warning circuit shell.
Using the beneficial effect of further technical scheme：Warning circuit shell is set to carry out circuit package, it is safe to use, and
Product appearance is attractive in appearance.
Further, the top installation of the warning circuit shell has elastic component, and the deformation of the flexible member drives institute
State resistance strain gage R1-R4 corresponding deformation.
Using the beneficial effect of further technical scheme：Using flexible member, such as bonding jumper etc., flexible member is with adding
The change for being loaded in infusion device quality thereon deforms upon, and deformation of elastic components drives resistance strain gage R1-R4 deformation, from
And realize the monitoring of infusion device weight.
Further, the output end of the 3rd operational amplifier U3 is also associated with radio communication device, radio communication device
Communicated for the warning device with nurse station and carry out radio alarming.
Using the beneficial effect of further technical scheme：Using wireless device, remote prompts are conveniently realized, use is more square
Just.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the circuit theory diagrams of warning device of the present utility model.
Embodiment
Principle of the present utility model and feature are described below, example is served only for explaining the utility model, and
It is non-to be used to limit the scope of the utility model.
As shown in figure 1, a kind of transfusion bottle warning device, including the suspension hook 1 for suspension, the bottom of suspension hook 1 are provided with
Warning device 2, the lower suspension of warning device 2 have a string bag 3 for containing infusion device 4, the woven hose 5 of infusion device 4 from
Passed in the bottom mesh of the string bag 3.
As shown in Figures 2 and 3, warning device 2 includes sensor assembly, signal amplification circuit module and alarm module, passes
Sensor module, signal amplification circuit module and alarm module are all arranged in warning circuit shell 7, and structure is attractive in appearance.
Sensor assembly, transmitted for perceiving infusion device weight change, and by infusion device weight signal to alarm mould
Block；Sensor assembly is specially that sensor assembly includes power supply, resistance strain gage R1-R4, and return to zero slide rheostat RW, the electricity
Source positive pole be sequentially connected in series first resistor foil gauge R1, zeroing slide rheostat RW and second resistance foil gauge R2 after with the power supply
Negative pole connects；The positive source connects after being sequentially connected in series 3rd resistor foil gauge R3 and the 4th resistance strain gage R4 with power cathode
Connect；The sliding end of the zeroing slide rheostat RW is connected with the signal amplification circuit module of the warning device 2.
Signal amplification circuit module includes the first-the three operational amplifier, and the input of the first operational amplifier U1 is just
End is connected with the sliding end of the zeroing slide rheostat RW, the input positive terminal of the second operational amplifier U2 and described the
First Node connectedness of line between three resistance strain gage R3 and the 4th resistance strain gage R4, the first operational amplifier U1's
The the 7th-the nine resistor R7-R9, the 7th electricity have been sequentially connected in series between output end and the second operational amplifier U2 output end
The second node is provided between resistance device R7 and the 8th resistor R8, is set between the 8th resistor R8 and the 9th resistor R9
There are the 3rd node, input negative terminal and second Node connectedness of the first operational amplifier U1, the 3rd operation amplifier
Device U3 input negative terminal and the 3rd Node connectedness；The output end of the first operational amplifier U1 is also connected the tenth resistance
Input positive terminal after R10 with the 3rd operational amplifier U3 is connected, and the output end of the second operational amplifier U2 is also connected
Input negative terminal after 11st resistance R11 with the 3rd operational amplifier U3 is connected；The 3rd operational amplifier U3's is defeated
Enter anode and also connect and be grounded after the 12nd resistance R12；The input negative terminal of the 3rd operational amplifier U3 also connect the 13rd electricity
It is connected after resistance R13 with the output end of the 3rd operational amplifier U3；The output end of the 3rd operational amplifier U3 and alarm
Module connects.
Alarm module, for judging whether infusion device weight is less than threshold value, if less than being alarmed if threshold value, prompt
Infusion-completed.Specially alarm module includes comparator U, the input positive terminal of the comparator U and the 3rd operational amplifier
U3 output end connects, and is connected after the 14th resistance R14 of input negative terminal series connection of the comparator U with positive source, the ratio
Input negative terminal compared with device U is also connected and is connected with ground wire after the 15th resistance R15；The output end of the comparator U is with loudspeaker B's
First end connects, and the power supply is also sequentially connected in series the with the loudspeaker B after the 16th resistor R16 and light emitting diode D
Two ends connect.
The top elastic elements 6 of warning circuit shell 7, the deformation of flexible member 6 drive resistance strain gage R1-R4's
Deformation, resistance strain gage R1-R4 deformation cause the voltage signal change of output.The voltage signal of sensor assembly output is by the
One-level and second level amplifying circuit gather and exported the voltage signal being exaggerated with noise reduction, and the voltage signal of amplification is output to alarm
Module.The comparator U of alarm module input positive terminal receives the signal of the 3rd operational amplifier output, and comparator U input is born
End receives threshold reference voltages signal, if transfusion is completed, the weight detecting circuit output that four resistance strain gage R1-R4 are formed
Corresponding voltage signal amplitude, the voltage signal amplitude of the 3rd operational amplifier U3 outputs are less than threshold reference voltages signal width
Degree, loudspeaker B circuits are connected, and light emitting diode D lights, and loudspeaker B carries out audible alarm, and light emitting diode carries out light flash
Alarm, transfusion is prompted to complete.
As optimization：3rd operational amplifier U3 output end can also connect radio communication device, radio communication device
Communicated for the warning device with nurse station and carry out radio alarming, this greatly reduces because the distance and sound of sound transmission
The problem of penetration capacity is poor, and medical personnel can not hear alarm sound in time after leaving.
Preferred embodiment of the present utility model is these are only, it is all at this not to limit scope of protection of the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (5)
1. a kind of transfusion bottle warning device, it is characterised in that including suspension hook (1), the bottom of the suspension hook (1) is provided with alarm
Device (2), warning device (2) the lower suspension infusion device (4)；
The warning device (2) includes
Sensor assembly, transmitted for perceiving infusion device weight change, and by infusion device weight signal to alarm module；
Alarm module, for judging whether infusion device weight is less than threshold value, if less than being alarmed if threshold value, prompt transfusion
Finish；
The sensor assembly includes resistance strain gage (R1, R2, R3, R4), and positive source is sequentially connected in series first resistor foil gauge
(R1), zeroing slide resistor (RW) and second resistance foil gauge (R2) are connected with the power cathode afterwards；The positive source
It is sequentially connected in series 3rd resistor foil gauge (R3) and the 4th resistance strain gage (R4) is connected with power cathode afterwards；The resistance strain gage
The weight detecting circuit module that (R1, R2, R3, R4) and zeroing slide rheostat (RW) are formed, the weight detecting circuit module are defeated
Go out end to be connected with the signal amplification circuit module of the warning device (2)；
The signal amplification circuit module includes the first-the three operational amplifier, the input of first operational amplifier (U1)
Anode is connected with the sliding end of the zeroing slide rheostat (RW), the input positive terminal of second operational amplifier (U2) and institute
State the first Node connectedness of line between 3rd resistor device (R3) and the 4th resistor (R4), first operational amplifier (U1)
Output end and the second operational amplifier (U2) output end between be sequentially connected in series the 7th-the nine resistor (R7-R9), it is described
The second node, the 8th resistor (R8) and the 9th resistance are provided between 7th resistor (R7) and the 8th resistor (R8)
The 3rd node, the input negative terminal of first operational amplifier (U1) and second Node connectedness are provided between device (R9),
The input negative terminal of 3rd operational amplifier (U3) and the 3rd Node connectedness；First operational amplifier (U1) it is defeated
Go out end also input positive terminal of the tenth resistance (R10) of series connection afterwards with the 3rd operational amplifier (U3) to be connected, second computing
The output end of amplifier (U2) the 11st resistance (R11) of also connecting connects with the input negative terminal of the 3rd operational amplifier (U3) afterwards
Connect；The input positive terminal of 3rd operational amplifier (U3) the 12nd resistance (R12) of also connecting is grounded afterwards；3rd computing is put
The input negative terminal of big device (U3) output end of the 13rd resistance (R13) afterwards with the 3rd operational amplifier (U3) of also connecting connects
Connect；The output end of 3rd operational amplifier (U3) is connected with the alarm module；
The alarm module includes comparator (U), input positive terminal and the 3rd operational amplifier (U3) of the comparator (U)
Output end connection, the input negative terminal of the comparator (U) the 14th resistance (R14) of connecting is connected with positive source afterwards, described
The input negative terminal of comparator (U) the 15th resistance (R15) of also connecting is connected with ground wire afterwards；The output end of the comparator (U) with
The first power end connection of loudspeaker (B), the power supply are also sequentially connected in series the 16th resistor (R16) and light emitting diode (D)
The second source end with the loudspeaker (B) is connected afterwards.
2. transfusion bottle warning device according to claim 1, it is characterised in that the bottom of the warning device (2) hangs
Hang with the string bag (3) for containing infusion device.
3. transfusion bottle warning device according to claim 1, it is characterised in that the warning device (2) is additionally provided with
Warning circuit shell (7), the sensor assembly, signal amplification circuit module and alarm module are all arranged on the warning circuit
In shell (7).
4. transfusion bottle warning device according to claim 3, it is characterised in that the warning circuit shell (7) it is upper
Portion's installation has elastic component (6), and the deformation of the flexible member (6) drives the shape of the resistance strain gage (R1, R2, R3, R4)
Become, the resistance change of resistance strain gage (R1, R2, R3, R4), the change is converted into the change output of voltage signal.
5. transfusion bottle warning device according to claim 1, it is characterised in that the 3rd operational amplifier (U3)
Output end is also associated with radio communication device, and radio communication device is used to communicate progress with the warning device of nurse station without report from a liner
It is alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220913.5U CN207203174U (en) | 2016-11-14 | 2016-11-14 | A kind of transfusion bottle warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621220913.5U CN207203174U (en) | 2016-11-14 | 2016-11-14 | A kind of transfusion bottle warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207203174U true CN207203174U (en) | 2018-04-10 |
Family
ID=61809620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621220913.5U Expired - Fee Related CN207203174U (en) | 2016-11-14 | 2016-11-14 | A kind of transfusion bottle warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207203174U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512145A (en) * | 2016-11-14 | 2017-03-22 | 西华师范大学 | Infusion bottle alarming device |
| CN109184792A (en) * | 2018-08-28 | 2019-01-11 | 徐州天能矿山机械有限责任公司 | A kind of gas concentration mine mechanism of automatic alarm |
| KR20200071897A (en) * | 2018-12-11 | 2020-06-22 | 폴스타헬스케어(주) | System for monitoring weight of Ringer's solution based on technology of Internet of Things |
-
2016
- 2016-11-14 CN CN201621220913.5U patent/CN207203174U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512145A (en) * | 2016-11-14 | 2017-03-22 | 西华师范大学 | Infusion bottle alarming device |
| CN109184792A (en) * | 2018-08-28 | 2019-01-11 | 徐州天能矿山机械有限责任公司 | A kind of gas concentration mine mechanism of automatic alarm |
| KR20200071897A (en) * | 2018-12-11 | 2020-06-22 | 폴스타헬스케어(주) | System for monitoring weight of Ringer's solution based on technology of Internet of Things |
| KR102139791B1 (en) * | 2018-12-11 | 2020-07-31 | 폴스타헬스케어(주) | System for monitoring weight of Ringer's solution based on technology of Internet of Things |
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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: 20180410 Termination date: 20181114 |