CN104174092A - Infusion monitoring instrument and construction method thereof - Google Patents
Infusion monitoring instrument and construction method thereof Download PDFInfo
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- CN104174092A CN104174092A CN201410426547.8A CN201410426547A CN104174092A CN 104174092 A CN104174092 A CN 104174092A CN 201410426547 A CN201410426547 A CN 201410426547A CN 104174092 A CN104174092 A CN 104174092A
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Abstract
The invention relates to an infusion monitoring instrument and a construction method thereof. The infusion monitoring instrument comprises an infusion tube clamp block, two light emitting tubes, two light-receiving tubes, and a square wave generator and an amplifier which are disposed on a circuit board inside the instrument. A vertical infusion tube groove is formed in the clamp block provided with an upper light hole and a lower light hole. The amplifier is used for amplifying optical control signals taken out from the upper light-receiving tube or the lower light-receiving tube. A voltage retainer, a voltage comparator and a NAND gate circuit for controlling opening of an alarming circuit are further disposed on the circuit board. Compared with the prior art, the infusion monitoring instrument has the advantages that the infusion monitoring instrument can be used by clamping the infusion tube clamp block to the infusion tube near the bottom of an infusion bottle, the aperture of the upper light hole and the lower light hole is elongated, accurate liquid coming detection is achieved, liquid coming can be detected twice, an alarm can be given when any one light path detects the liquid coming, and detection missing possibility is reduced greatly.
Description
Technical field
The present invention relates to a kind of medical use watch-dog, particularly a kind of constructive method of infusion monitoring instrument and device.
Background technology
In prior art, the technology of reporting to the police in order to monitor transfusion finish, someone has applied for patent, Chinese utility model patent for example, the patent No. 200720170086.8, name is called the technology of " Medical nursing instrument ", and whether the detection of this technology is to utilize the method for acupuncture conduction to detect liquid level to arrive, this kind of method damaged delivery device, and worth choosing.
Moreover this patent does not disclose necessary technology contents, be unfavorable for implementing.
In prior art, lack a kind of practicality, simple infusion monitoring instrument is used in operation.
Summary of the invention
The present invention be directed to a kind of practicality that lacks existing in above-mentioned prior art, the defect of simple infusion monitoring instrument is used in operation, and a kind of constructive method and device of infusion monitoring instrument are provided.
The present invention is by adopting following technical scheme to realize.
The constructive method of implementing infusion monitoring instrument, comprises the following steps:
A, first, arranges a tube for transfusion fixture block, outputs a vertical transfusion tube seat in described tube for transfusion fixture block, and then unthreaded hole and lower unthreaded hole are set on tube for transfusion fixture block, and two unthreaded holes are at a distance of 10～30 mm;
B, then upper unthreaded hole and lower unthreaded hole both sides arrange luminous tube, lower luminous tube, on light-receiving tube and lower light-receiving tube;
A C and then square-wave generator is set, its output square wave is controlled the first two-way switch U2, the second two-way switch U3, the 3rd two-way switch U4 and the 4th two-way switch U5;
D, then an amplifier U6 is set, in order to amplify the optically-controlled signal taking out from upper light-receiving tube or lower light-receiving tube;
E, then voltage keeper U7 and voltage keeper U8 are once set on one, keep respectively upper light path voltage and lower light path voltage after amplifying;
F, then voltage comparator U9 and voltage comparator U10 are once set on one, screen respectively the comparative result of upper light path voltage and lower light path voltage and reference voltage Vi;
G, then the output of upper voltage comparator U9 and lower voltage comparator U10 is met to two input NAND gate circuit U11, by U11, controlled the unlatching of warning circuit.
Aperture 1.5mm～the 2mm of described upper unthreaded hole and lower unthreaded hole, length 20mm～40mm.
Potentiometer W1 and lower potentiometer W2 are set in the current supply circuit of described upper luminous tube, lower luminous tube; Feedback potentiometer W3 is set in the feedback circuit of described amplifier U6.
Described the first two-way switch U2 and the 3rd two-way switch U4 are controlled by the square wave high level of square-wave generator; The second two-way switch U3 and the 4th two-way switch U5 are subject to the square wave low level control of square-wave generator; The square wave output frequency 5～30Hz of square-wave generator.
According to said method, manufacture and design a kind of infusion monitoring instrument, described instrument comprises:
One tube for transfusion fixture block has a vertical transfusion tube seat in described tube for transfusion fixture block, is provided with unthreaded hole and lower unthreaded hole on tube for transfusion fixture block, and two unthreaded holes are at a distance of 10～30 mm;
Upper unthreaded hole and lower unthreaded hole both sides be provided with luminous tube, lower luminous tube, on light-receiving tube and lower light-receiving tube;
One square-wave generator is arranged on the circuit board of instrument internal, and its output square wave is controlled the first two-way switch U2, the second two-way switch U3, the 3rd two-way switch U4 and the 4th two-way switch U5;
One amplifier U6 is set, in order to amplify from the optically-controlled signal of upper light-receiving tube or the taking-up of lower light-receiving tube on circuit board;
Voltage keeper U7 and voltage keeper U8 are once set on circuit board on one, keep respectively upper light path voltage and lower light path voltage after amplifying;
Voltage comparator U9 and voltage comparator U10 are once set on circuit board on one, screen respectively the comparative result of upper light path voltage and lower light path voltage and reference voltage Vi;
The output of described upper voltage comparator U9 and lower voltage comparator U10 meets two input NAND gate circuit U11, is controlled the unlatching of warning circuit by U11.
Aperture 1.5mm～the 2mm of described upper unthreaded hole and lower unthreaded hole, length 20mm～40mm.
Potentiometer W1 and lower potentiometer W2 are set in the current supply circuit of described upper luminous tube, lower luminous tube; Feedback potentiometer W3 is set in the feedback circuit of described amplifier U6.
Described the first two-way switch U2 and the 3rd two-way switch U4 are controlled by the square wave high level of square-wave generator; The second two-way switch U3 and the 4th two-way switch U5 are subject to the square wave low level control of square-wave generator.
The square wave output frequency 5～30Hz of described square-wave generator.
Described control warning circuit arranges one and enables control end, when enabling control end while being controlled by extraneous signal, controls warning circuit and does not accept the triggering of two input NAND gate circuit U11 and work.
Compared with prior art, the tube for transfusion fixture block of infusion monitoring instrument of the present invention is stuck in below infusion bottle on tube for transfusion nearby and can uses, the aperture of upper unthreaded hole of the present invention and lower unthreaded hole is longer, detect liquid level arrival very accurate, detection of the present invention has twice, any one light path perception liquid level arrives and all can report to the police, and undetected probability greatly reduces.
Accompanying drawing explanation
Schematic diagram when Fig. 1 is infusion monitoring instrument tube for transfusion fixture block application of the present invention;
Fig. 2 is infusion monitoring instrument electricity principle schematic of the present invention;
Fig. 3 is infusion monitoring instrument constructive method schematic flow sheet of the present invention.
The specific embodiment
For a better understanding of the present invention, below in conjunction with drawings and Examples, embodiments of the present invention are further elaborated.
As shown in accompanying drawing 1～Fig. 3, implement the constructive method of infusion monitoring instrument, said method comprising the steps of:
A, first, arranges a tube for transfusion fixture block 4, outputs a vertical transfusion tube seat 41 in described tube for transfusion fixture block 4, then unthreaded hole 42 and lower unthreaded hole 43, two unthreaded holes is set on tube for transfusion fixture block 4 at a distance of 10～30 mm;
B, then upper unthreaded hole 42 and lower unthreaded hole 43 both sides arrange luminous tube 11, lower luminous tube 12, on light-receiving tube 21 and lower light-receiving tube 22;
A C and then square-wave generator 31 is set, its output square wave is controlled the first two-way switch U2, the second two-way switch U3, the 3rd two-way switch U4 and the 4th two-way switch U5;
D, then an amplifier U6 is set, in order to amplify the optically-controlled signal taking out from upper light-receiving tube 21 or lower light-receiving tube 22;
E, then voltage keeper U7 and voltage keeper U8 are once set on one, keep respectively upper light path voltage and lower light path voltage after amplifying;
F, then voltage comparator U9 and voltage comparator U10 are once set on one, screen respectively the comparative result of upper light path voltage and lower light path voltage and reference voltage Vi;
G, then the output of upper voltage comparator U9 and lower voltage comparator U10 is met to two input NAND gate circuit U11, by U11, controlled the unlatching of warning circuit 32.
Aperture 1.5mm～the 2mm of described upper unthreaded hole 42 and lower unthreaded hole 43, length 20mm～40mm.
Potentiometer W1 and lower potentiometer W2 are set in the current supply circuit of described upper luminous tube 11, lower luminous tube 12; Feedback potentiometer W3 is set in the feedback circuit of described amplifier U6.
Described the first two-way switch U2 and the 3rd two-way switch U4 are controlled by the square wave high level of square-wave generator 31; The second two-way switch U3 and the 4th two-way switch U5 are subject to the square wave low level control of square-wave generator 31; The square wave output frequency 5～30Hz of square-wave generator 31.
Manufacture and design a kind of infusion monitoring instrument, described instrument comprises:
One tube for transfusion fixture block 4 has a vertical transfusion tube seat 41 in described tube for transfusion fixture block 4, is provided with unthreaded hole 42 and lower unthreaded hole 43, two unthreaded holes at a distance of 10～30 mm on tube for transfusion fixture block 4;
Upper unthreaded hole 42 and lower unthreaded hole 43 both sides be provided with luminous tube 11, lower luminous tube 12, on light-receiving tube 21 and lower light-receiving tube 22;
One square-wave generator 31 is arranged on the circuit board of instrument internal, and its output square wave is controlled the first two-way switch U2, the second two-way switch U3, the 3rd two-way switch U4 and the 4th two-way switch U5;
One amplifier U6 is set, in order to amplify from the optically-controlled signal of upper light-receiving tube 21 or 22 taking-ups of lower light-receiving tube on circuit board;
Voltage keeper U7 and voltage keeper U8 are once set on circuit board on one, keep respectively upper light path voltage and lower light path voltage after amplifying;
Voltage comparator U9 and voltage comparator U10 are once set on circuit board on one, screen respectively the comparative result of upper light path voltage and lower light path voltage and reference voltage Vi;
The output of described upper voltage comparator U9 and lower voltage comparator U10 meets two input NAND gate circuit U11, is controlled the unlatching of warning circuit 32 by U11.
Aperture 1.5mm～the 2mm of described upper unthreaded hole 42 and lower unthreaded hole 43, length 20mm～40mm.
Potentiometer W1 and lower potentiometer W2 are set in the current supply circuit of described upper luminous tube 11, lower luminous tube 12; Feedback potentiometer W3 is set in the feedback circuit of described amplifier U6.
Described the first two-way switch U2 and the 3rd two-way switch U4 are controlled by the square wave high level of square-wave generator 31; The second two-way switch U3 and the 4th two-way switch U5 are subject to the square wave low level control of square-wave generator 31.
The square wave output frequency 5～30Hz of described square-wave generator 31.
Described control warning circuit 32 arranges one and enables control end, when enabling control end while being controlled by extraneous signal, controls warning circuit 32 and does not accept the triggering of two input NAND gate circuit U11 and work.
As shown in Figure 1, liquid level 51 is on coming during unthreaded hole 42 place, the out-of-flatness state of its liquid level, light-receiving tube 21 sensitization are reduced, square wave output frequency 5～30Hz due to square-wave generator 31, many times, the amplitude that amplifier U6 amplifies this signal was not as previously for the first two-way switch U2 and the 3rd two-way switch U4 conducting during this period, and capacitor C2 keeps the voltage of this reduction.
In advance, with reference to the voltage of voltage Vi, be arranged on the maintenance magnitude of voltage that unthreaded hole arrives without liquid level, and unthreaded hole for example has, between the maintenance magnitude of voltage that liquid level arrives:
The maintenance magnitude of voltage that unthreaded hole arrives without liquid level is 4V;
The maintenance magnitude of voltage that unthreaded hole has liquid level to arrive is 2V;
The voltage of reference voltage Vi is arranged on 3V.
Adjust in advance W1, W2, W3 and Vi.
Upper voltage comparator U9 below and output or the high level of lower voltage comparator U10, or low level, the chip model that voltage comparator can be selected does not much repeat for this reason at this.
The output termination two input nand gate circuit of two voltage comparators, its truth table is:
The work trigger end of controlling warning circuit 32 is arranged to high level and triggers, therefore from above-mentioned truth table, can find out, no matter which detects liquid level arrival in two-way, control warning circuit 32 and all can report to the police.
In order to prevent the disturbance triggering that makes the mistake in start, on control warning circuit 32, arrange one and enable control end, for example enabling control end is the control utmost point of a two-way on-off circuit CD4066, when this controls utmost point ground connection, control warning circuit 32 internal trigger ends by a resistance eutral grounding, control warning circuit 32 and do not work.
Enable control circuit applicant and applied in addition patent.
When the control utmost point of CD4066 connects high level, control the logical high level of warning circuit 32 internal trigger terminations, control warning circuit 32 work and report to the police.
Controlling warning circuit 32 has many finished products to sell, and at this, does not repeat for this reason.
Amplifier U6, voltage keeper U10 can adopt MC3403 model and other compatible models.
The present invention, by a large amount of test in 1 year, has proved the dependable performance of this programme.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a constructive method for infusion monitoring instrument, is characterized in that, said method comprising the steps of:
A, first, arranges a tube for transfusion fixture block (4), outputs a vertical transfusion tube seat (41) in described tube for transfusion fixture block (4), and upper unthreaded hole (42) and lower unthreaded hole (43) are then set on tube for transfusion fixture block (4), and two unthreaded holes are at a distance of 10～30 mm;
B, then at upper unthreaded hole (42) and lower unthreaded hole (43) both sides, upper luminous tube (11), lower luminous tube (12), upper light-receiving tube (21) and lower light-receiving tube (22) are set;
A C and then square-wave generator (31) is set, its output square wave is controlled the first two-way switch U2, the second two-way switch U3, the 3rd two-way switch U4 and the 4th two-way switch U5;
D, then an amplifier U6 is set, in order to amplify the optically-controlled signal taking out from upper light-receiving tube (21) or lower light-receiving tube (22);
E, then voltage keeper U7 and voltage keeper U8 are once set on one, keep respectively upper light path voltage and lower light path voltage after amplifying;
F, then voltage comparator U9 and voltage comparator U10 are once set on one, screen respectively the comparative result of upper light path voltage and lower light path voltage and reference voltage Vi;
G, then the output of upper voltage comparator U9 and lower voltage comparator U10 is met to two input NAND gate circuit U11, by U11, controlled the unlatching of warning circuit (32).
2. the constructive method of infusion monitoring instrument according to claim 1, is characterized in that:
Aperture 1.5mm～the 2mm of described upper unthreaded hole (42) and lower unthreaded hole (43), length 20mm～40mm.
3. the constructive method of infusion monitoring instrument according to claim 1, is characterized in that:
Potentiometer W1 and lower potentiometer W2 are set in the current supply circuit of described upper luminous tube (11), lower luminous tube (12); Feedback potentiometer W3 is set in the feedback circuit of described amplifier U6.
4. the constructive method of infusion monitoring instrument according to claim 1, is characterized in that:
Described the first two-way switch U2 and the 3rd two-way switch U4 are controlled by the square wave high level of square-wave generator (31); The second two-way switch U3 and the 4th two-way switch U5 are subject to the square wave low level control of square-wave generator (31); The square wave output frequency 5～30Hz of square-wave generator (31).
5. an infusion monitoring instrument, is characterized in that, described instrument comprises:
One tube for transfusion fixture block (4) has a vertical transfusion tube seat (41) in described tube for transfusion fixture block (4), is provided with upper unthreaded hole (42) and lower unthreaded hole (43) on tube for transfusion fixture block (4), and two unthreaded holes are at a distance of 10～30 mm;
At upper unthreaded hole (42) and lower unthreaded hole (43) both sides, be provided with upper luminous tube (11), lower luminous tube (12), upper light-receiving tube (21) and lower light-receiving tube (22);
One square-wave generator (31) is arranged on the circuit board of instrument internal, and its output square wave is controlled the first two-way switch U2, the second two-way switch U3, the 3rd two-way switch U4 and the 4th two-way switch U5;
One amplifier U6 is set, in order to amplify from the optically-controlled signal of upper light-receiving tube (21) or lower light-receiving tube (22) taking-up on circuit board;
Voltage keeper U7 and voltage keeper U8 are once set on circuit board on one, keep respectively upper light path voltage and lower light path voltage after amplifying;
Voltage comparator U9 and voltage comparator U10 are once set on circuit board on one, screen respectively the comparative result of upper light path voltage and lower light path voltage and reference voltage Vi;
The output of described upper voltage comparator U9 and lower voltage comparator U10 meets two input NAND gate circuit U11, is controlled the unlatching of warning circuit (32) by U11.
6. infusion monitoring instrument according to claim 5, is characterized in that:
Aperture 1.5mm～the 2mm of described upper unthreaded hole (42) and lower unthreaded hole (43), length 20mm～40mm.
7. infusion monitoring instrument according to claim 5, is characterized in that:
Potentiometer W1 and lower potentiometer W2 are set in the current supply circuit of described upper luminous tube (11), lower luminous tube (12); Feedback potentiometer W3 is set in the feedback circuit of described amplifier U6.
8. infusion monitoring instrument according to claim 5, is characterized in that:
Described the first two-way switch U2 and the 3rd two-way switch U4 are controlled by the square wave high level of square-wave generator (31); The second two-way switch U3 and the 4th two-way switch U5 are subject to the square wave low level control of square-wave generator (31).
9. infusion monitoring instrument according to claim 5, is characterized in that:
The square wave output frequency 5～30Hz of described square-wave generator (31).
10. infusion monitoring instrument according to claim 5, is characterized in that:
Described control warning circuit (32) arranges one and enables control end, when enabling control end while being controlled by extraneous signal, controls warning circuit (32) and does not accept the triggering of two input NAND gate circuit U11 and work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426547.8A CN104174092B (en) | 2014-08-27 | 2014-08-27 | Infusion monitoring instrument and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426547.8A CN104174092B (en) | 2014-08-27 | 2014-08-27 | Infusion monitoring instrument and construction method thereof |
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| CN104174092A true CN104174092A (en) | 2014-12-03 |
| CN104174092B CN104174092B (en) | 2017-02-15 |
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| CN201410426547.8A Expired - Fee Related CN104174092B (en) | 2014-08-27 | 2014-08-27 | Infusion monitoring instrument and construction method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998324A (en) * | 2015-06-26 | 2015-10-28 | 紫光股份有限公司 | Differential type photoelectric transfusion alarm device and alarm method thereof |
| CN108785799A (en) * | 2017-05-03 | 2018-11-13 | 中兴通讯股份有限公司 | Alarm processing method, device, storage medium and processor |
| CN112043914A (en) * | 2020-08-26 | 2020-12-08 | 深圳市道尔智控科技有限公司 | Liquid detection system of infusion pipeline |
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| CN101991890A (en) * | 2010-11-24 | 2011-03-30 | 杭州师范大学 | Radio transfusion detection alarm device |
| CN102284105A (en) * | 2011-07-21 | 2011-12-21 | 上海电机学院 | Infusion alarm device |
| CN202892549U (en) * | 2012-10-31 | 2013-04-24 | 江门市五邑中医院 | Venous infusion monitoring instrument and management system in hospital |
| CN203154459U (en) * | 2012-12-13 | 2013-08-28 | 哈尔滨工程大学 | Portable intravenous infusion controller |
| CN204050496U (en) * | 2014-08-27 | 2014-12-31 | 广东巨龙信息技术有限公司 | A kind of infusion monitoring instrument |
-
2014
- 2014-08-27 CN CN201410426547.8A patent/CN104174092B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101991890A (en) * | 2010-11-24 | 2011-03-30 | 杭州师范大学 | Radio transfusion detection alarm device |
| CN102284105A (en) * | 2011-07-21 | 2011-12-21 | 上海电机学院 | Infusion alarm device |
| CN202892549U (en) * | 2012-10-31 | 2013-04-24 | 江门市五邑中医院 | Venous infusion monitoring instrument and management system in hospital |
| CN203154459U (en) * | 2012-12-13 | 2013-08-28 | 哈尔滨工程大学 | Portable intravenous infusion controller |
| CN204050496U (en) * | 2014-08-27 | 2014-12-31 | 广东巨龙信息技术有限公司 | A kind of infusion monitoring instrument |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104998324A (en) * | 2015-06-26 | 2015-10-28 | 紫光股份有限公司 | Differential type photoelectric transfusion alarm device and alarm method thereof |
| CN108785799A (en) * | 2017-05-03 | 2018-11-13 | 中兴通讯股份有限公司 | Alarm processing method, device, storage medium and processor |
| CN112043914A (en) * | 2020-08-26 | 2020-12-08 | 深圳市道尔智控科技有限公司 | Liquid detection system of infusion pipeline |
| CN112043914B (en) * | 2020-08-26 | 2023-03-14 | 深圳市道尔智控科技有限公司 | Liquid detection system of infusion pipeline |
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| CN104174092B (en) | 2017-02-15 |
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Effective date of registration: 20160509 Address after: 523000, B01, 3rd floor, Southern China garden, West Binjiang Road, Shilong Town, Guangdong City, Dongguan Province Applicant after: DONGGUAN SUN INFORMATION TECHNOLOGY Co.,Ltd. Address before: 523000, 68 East West Lake Road, Shilong Town, Guangdong City, Dongguan Province Applicant before: Guangdong Julong Information Technology Co.,Ltd. |
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