CN109381297A - A kind of first aid stretcher with vibration-testing - Google Patents
A kind of first aid stretcher with vibration-testing Download PDFInfo
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- CN109381297A CN109381297A CN201811431199.8A CN201811431199A CN109381297A CN 109381297 A CN109381297 A CN 109381297A CN 201811431199 A CN201811431199 A CN 201811431199A CN 109381297 A CN109381297 A CN 109381297A
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000001802 infusion Methods 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 85
- 238000012545 processing Methods 0.000 claims description 51
- 230000003321 amplification Effects 0.000 claims description 21
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 6
- 229920002457 flexible plastic Polymers 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 description 8
- 230000006378 damage Effects 0.000 description 7
- 208000014674 injury Diseases 0.000 description 7
- 230000032258 transport Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 208000003443 Unconsciousness Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The present invention relates to a kind of first aid stretchers with vibration-testing, including protective fence, the bottom of the protective fence is provided with the first removable pin, the bottom of the portable stanchion is provided with cushion, and the top right side middle position of the cushion is provided with protection headrest, the bottom of the cushion is provided with angle adjustment plate, fixed pin and fixed link in the present invention, it is flexibly connected between second removable pin and bracket, convenient for shrinking, it is convenient for carrying, protection headrest is used in combination with angle adjustment plate, the wounded can be made to be fixed on a comfortable angle, mitigate the pain of the wounded, it also can avoid the wounded simultaneously to be injured again, telescopic fixed plate can be used freely, place some emergency equipments and tool, improve first aid efficiency, it can internally be shunk when not using simultaneously, save space, infusion support freely can be holded up and be put down, it is simultaneously anxious The process of rescuing is provided convenience, and is not needed medical staff and is held transfusion bottle, saves medical staff's physical demands.
Description
Technical field
The invention belongs to emergency medical stretcher technical fields, and in particular to a kind of first aid stretcher with vibration-testing.
Background technique
Existing medical stretcher is a simple bracket, does not store the space of medical instrument and tool, while
Inconvenient to carry in first aid procedures, when transport, consumes great physical strength, and existing medical stretcher does not hang the position of infusion bottle,
In first aid procedures, needs medical staff to hold infusion bottle and elevate, greatly consume the physical strength of medical staff, give rescue operations band
It is inconvenient to come, while existing medical stretcher does not have safeguard procedures, and most of patient is that unconsciousness is waken up in first aid procedures, does not have
There are safeguard procedures, patient easily falls from stretcher, causes secondary injury, some patients heads is needed to fix, but existing
Medical stretcher there is no the problem of function of this respect, the pain of patient can increase again, thus it is proposed that a kind of band vibrate
The first aid stretcher of test.
Summary of the invention
The present invention in order to solve the above technical problems, provides a kind of first aid stretcher with vibration-testing.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions: a kind of first aid with vibration-testing
Stretcher, including protective fence, the bottom of the protective fence is provided with the first removable pin, and the bottom of first removable pin is provided with
Portable stanchion, the bottom of the portable stanchion is provided with cushion, and the top right side middle position of the cushion is provided with protection
Headrest, the bottom of the cushion is provided with angle adjustment plate, and is provided with regulating pin on the inside of the angle adjustment plate, described
The bottom of angle adjustment plate is provided with stretcher frame, and the bottom of the stretcher frame is provided with telescopic fixed plate and the second activity
Pin, and the telescopic fixed plate is provided with bracket, the branch on the inside of the inside of the second removable pin, second removable pin
It is provided with third removable pin on the right side of frame, and is provided with fixed link, the centre of the fixed link on the right side of the third removable pin
Position is provided with fixed pin, and the bottom of the bracket is provided with spring, and the bottom of the spring is provided with universal wheel, the load
Flexible plastic hand handle is provided on front side of frame frame, and the interior rear side of the angle adjustment plate is provided with infusion support mounting base, it is described
Infusion support is provided on front side of infusion support mounting base.
Furthermore, vibrating sensor is provided on the stretcher frame, the vibrating sensor is for monitoring first aid
The output end of the vibration signal of stretcher, the vibrating sensor is connect with signal processing circuit, the signal processing circuit docking
The vibration signal received successively carries out signal amplification, and by treated, vibration signal is transmitted to centre with after signal filtering processing
Device is managed, the central processing unit passes through wireless network transmissions to medical care people after the vibration signal received is converted to vibration data
On the mobile phone of member.
Furthermore, the vibrating sensor is used to monitor the vibration signal of first aid stretcher, by the vibration signal of acquisition
Voltage signal V0 is converted to, and voltage signal V0 is transmitted to the signal processing circuit, V1 is by the signal processing electricity
Treated on road voltage signal, the signal processing circuit includes signal amplification unit and signal filter unit, and the vibration passes
The output end of sensor is connect with the input terminal of the signal amplification unit, the output end of the signal amplification unit and the signal
The input terminal of filter unit connects, and the output end of the signal filter unit and the port ADC of central processing unit connect.
Furthermore, the signal amplification unit include integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10,
R12-R14 and slide rheostat R4, R8, R11.
Wherein, the output end of the vibrating sensor is connect with one end of resistance R1, the other end of resistance R1 and integrated fortune
The non-inverting input terminal connection of A1 is put, one end of resistance R2 is connect with the inverting input terminal of integrated transporting discharging A1, the other end of resistance R2
It is connect with the output end of integrated transporting discharging A1, one end of resistance R5 is connect with the output end of integrated transporting discharging A2, the other end of resistance R5
It is connect with the inverting input terminal of integrated transporting discharging A2, the non-inverting input terminal ground connection of integrated transporting discharging A2, one end of resistance R5 and resistance R9
One end connection, the other end of resistance R5 connect with one end of slide rheostat R4, the other end and resistance of slide rheostat R4
One end of R3 connects, and the other end of resistance R3 is connect with one end of resistance R2, the one end of the other end of resistance R2 also with resistance R6
Connection, one end ground connection of slide rheostat R11, the other end of slide rheostat R11 are connect with one end of resistance R10, resistance R10
The other end connect with the other end of resistance R9, the other end of resistance R10 is also connect with one end of slide rheostat R8, sliding become
One end of resistance device R8 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the other end of slide rheostat R8 is anti-with integrated transporting discharging A3's
The connection of phase input terminal, the other end of slide rheostat R8 are also connect with one end of resistance R7, the other end and resistance R6 of resistance R7
Other end connection, the other end of resistance R7 also connect with one end of resistance R12, and one end of resistance R13 is with integrated transporting discharging A3's
Output end connection, the other end of resistance R13 connect with the other end of resistance R12, and one end of resistance R14 is defeated with integrated transporting discharging A3's
Outlet connection, the other end of resistance R14 are connect with the input terminal of the signal filter unit.
Furthermore, the signal filter unit includes resistance R15-R21, capacitor C1-C2 and integrated transporting discharging A4-
A6。
Wherein, the output end of the signal amplification unit is connect with one end of resistance R15, the other end and electricity of resistance R15
Hinder R17 one end it is in parallel after connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R17 is defeated with integrated transporting discharging A4's
Outlet connection, one end ground connection of resistance R16 are same mutually defeated with integrated transporting discharging A4 after the other end of resistance R16 is in parallel with resistance R21
Enter end connection, the other end of resistance R21 is connect with the output end of integrated transporting discharging A4, the other end and integrated transporting discharging A4 of resistance R17
Output end it is in parallel after connect with one end of resistance R18, after the other end of resistance R18 is in parallel with one end of capacitor C1 and integrates and transport
Put the inverting input terminal connection of A5, one end after the other end of capacitor C1 is in parallel with the output end of integrated transporting discharging A5 with resistance R19
Connection, integrated transporting discharging A5 non-inverting input terminal ground connection, after the other end of resistance R19 is in parallel with one end of capacitor C2 with integrated transporting discharging
The inverting input terminal of A6 connects, the non-inverting input terminal ground connection of integrated transporting discharging A6, and the other end of capacitor C2 is defeated with integrated transporting discharging A6's
Outlet connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A4, the other end and integrated transporting discharging of resistance R20
The output end of A6 connects, and one end of resistance R21 is connect with the non-inverting input terminal of integrated transporting discharging A4, the other end and collection of resistance R21
It is connected at the output end of amplifier A5, the output end of integrated transporting discharging A6 is connect with the port ADC of the central processing unit, the signal
Processing unit is by the port ADC of treated voltage signal V1 the is transmitted to central processing unit.
Furthermore, the fixed pin is flexibly connected with fixed link, and second removable pin is flexibly connected with bracket.
Furthermore, the stretcher frame is fixed by screws with telescopic fixed plate.
Furthermore, the spring is fixed by screws with universal wheel.
Furthermore, the protection headrest is through the inside of cushion, and protection headrest and angle adjustment plate are logical
Screw is crossed to be fixedly connected.
Furthermore, the stretcher frame is fixed by screws with flexible plastic hand handle.
Furthermore, the stretcher frame is flexibly connected with portable stanchion, and the portable stanchion and the first removable pin
It is flexibly connected, the protective fence is fixedly connected with the first removable pin by welding manner.
Furthermore, the angle adjustment plate is fixed by screws with infusion support mounting base, and the infusion support
Mounting base is flexibly connected with infusion support.
Compared with prior art, the beneficial effects of the present invention are:
(1) structure of the invention is scientific and reasonable, safe and convenient to use, fixed pin and fixed link, the second removable pin and branch in the present invention
It is flexibly connected between frame, convenient for shrinking, is convenient for carrying, save space, protection headrest and angle adjustment plate are used in combination, can be with
So that the wounded is fixed on a comfortable angle, mitigate the pain of the wounded, while also can avoid the wounded and being injured again, it is telescopic
Fixed plate can be used freely, place some emergency equipments and tool, improve first aid efficiency, at the same without using when can be to
Internal contraction saves space, and spring can reduce the shaking of stretcher and jolt during transporting the wounded, avoid the wounded by
Secondary injury, protective fence can fall to avoid the wounded, while can also shrink when not in use, save space, and infusion support is free
It holds up and puts down, while providing convenience for first aid procedures, do not need medical staff and hold transfusion bottle, save medical staff's physical strength and disappear
Consumption.
(2) vibrating sensor is provided on stretcher frame of the invention, and since the signal of vibrating sensor acquisition is micro-
Weak voltage signal, thus signal amplification unit passes through integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14
And slide rheostat R4, R8, R11 amplify processing to the voltage V0 that vibrating sensor exports, by integrated transporting discharging A1-A3,
The signal amplification unit that resistance R1-R3, R5-R7, R9-R10, R12-R14 and slide rheostat R4, R8, R11 are constituted only has
The noise of 50nV in offset, 100pA bias current and the broadband 0.1Hz to 10Hz within the drift of 0.5 μ V/ DEG C, 5 μ V.Wherein,
Signal filter unit is using resistance R15-R21, capacitor C1-C2 and integrated transporting discharging A4-A6 to by amplified voltage signal
Low-pass filtering treatment is carried out, to improve the precision of vibration detection.
(3) vibrating sensor that medical staff can be arranged on stretcher frame through the invention is informed in when transporting the wounded
The vibration signal of first aid stretcher, medical staff can know first aid stretcher in the vibration for transporting the wounded by its portable mobile phone
Dynamic data, in order to which the amplitude of first aid stretcher is praised in adjustment to medical staff in time when knowing to vibrate excessive, so that first aid stretcher
Upper the wounded will not vibrate excessive because of first aid stretcher during transport and cause secondary injury.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is overlooking structure diagram of the invention；
Fig. 3 is side structure schematic view of the invention；
Fig. 4 is the circuit diagram of signal processing circuit of the invention.
In figure: 1- stretcher frame, 2- angle adjustment plate, 3- cushion, 4- protect headrest, 5- portable stanchion, 6- protective fence, 7-
First removable pin, 8- regulating pin, the telescopic fixed plate of 9-, the second removable pin of 10-, 11- bracket, 12- spring, 13- universal wheel,
14- fixed pin, 15- fixed link, 16- third removable pin, 17- infusion support mounting base, 18- infusion support, 19- flexible plastic hand handle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the present invention provides a kind of technical solution: a kind of first aid stretcher with vibration-testing, packet
Protective fence 6 is included, the bottom of protective fence 6 is provided with the first removable pin 7, and the bottom of the first removable pin 7 is provided with portable stanchion 5,
The bottom of portable stanchion 5 is provided with cushion 3, and the top right side middle position of cushion 3 is provided with protection headrest 4, the bottom of cushion 3
Portion is provided with angle adjustment plate 2, and the inside of angle adjustment plate 2 is provided with regulating pin 8, the bottom setting of angle adjustment plate 2
There is stretcher frame 1, the bottom of stretcher frame 1 is provided with telescopic fixed plate 9 and the second removable pin 10, and telescopic fixed plate 9
In the inside of the second removable pin 10, the inside of the second removable pin 10 is provided with bracket 11, and it is living that the right side of bracket 11 is provided with third
Dynamic pin 16, and the right side of third removable pin 16 is provided with fixed link 15, the middle position of fixed link 15 is provided with fixed pin 14, and
The bottom of bracket 11 is provided with spring 12, and the bottom of spring 12 is provided with universal wheel 13, and the front side of stretcher frame 1 is provided with soft modeling
Expect hand handle 19, and the interior rear side of angle adjustment plate 2 is provided with infusion support mounting base 17, the front side of infusion support mounting base 17 is provided with
Infusion support 18.
In the present embodiment, vibrating sensor is provided on stretcher frame 1, vibrating sensor is used to monitor the vibration of first aid stretcher
Dynamic signal, the output end of vibrating sensor are connect with signal processing circuit, signal processing circuit to the vibration signal received according to
By treated, vibration signal is transmitted to central processing unit after secondary progress signal amplification and signal filtering processing, and central processing unit will
The vibration signal received passes through in wireless network transmissions to the mobile phone of medical staff.
The vibrating sensor that medical staff can be arranged on stretcher frame 1 through the invention is informed in anxious when transporting the wounded
The vibration signal of stretcher is rescued, medical staff can know first aid stretcher in the vibration for transporting the wounded by its portable mobile phone
Data, in order to which the amplitude of first aid stretcher is praised in adjustment to medical staff in time when knowing to vibrate excessive, so that on first aid stretcher
The wounded will not vibrate excessive because of first aid stretcher during transport and cause secondary injury.
Wherein, vibrating sensor may be disposed at any position on stretcher frame 1, signal processing circuit and central processing
Device is set to the lower position of stretcher frame 1, and vibrating sensor is connected with signal processing circuit by conducting wire, signal processing circuit
It is connected with central processing unit also by conducting wire, includes a radio-frequency module, the wound that central processing unit will receive in central processing unit
Person's vibration signal is converted to the mobile phone for being transmitted to medical staff after vibration data by radio-frequency module.
In addition, first aid stretcher provided by the invention may also include a comparison module and alarm module, wherein comparison module with
Central processing unit connection, alarm module are connect with central processing unit, and default vibration threshold, central processing are stored in comparison module
The vibration data received is transmitted in comparison module by device, and comparison module is by the vibration data received and default vibration threshold
It is compared, if the vibration data received is greater than default vibration threshold, comparison module sends alarm signal to central processing unit
Number, control alarm module carries out sound-light alarm after central processing unit receives alarm signal.
Referring to Fig. 4, vibrating sensor is used to monitor the vibration signal of first aid stretcher, the vibration signal of acquisition is converted to
Voltage signal V0, and voltage signal V0 is transmitted to the signal processing circuit, V1 is that treated by signal processing circuit
Voltage signal, signal processing circuit include signal amplification unit and signal filter unit, the output end and signal of vibrating sensor
The input terminal of amplifying unit connects, and the output end of signal amplification unit is connect with the input terminal of signal filter unit, signal filtering
The output end of unit and the port ADC of central processing unit connect.
Signal amplification unit includes integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and sliding
Rheostat R4, R8, R11.
Wherein, the output end of vibrating sensor is connect with one end of resistance R1, the other end and integrated transporting discharging A1 of resistance R1
Non-inverting input terminal connection, one end of resistance R2 connect with the inverting input terminal of integrated transporting discharging A1, the other end and collection of resistance R2
It is connected at the output end of amplifier A1, one end of resistance R5 is connect with the output end of integrated transporting discharging A2, the other end and collection of resistance R5
It is connected at the inverting input terminal of amplifier A2, the non-inverting input terminal ground connection of integrated transporting discharging A2, one end of resistance R5 and the one of resistance R9
End connection, the other end of resistance R5 are connect with one end of slide rheostat R4, and the other end of slide rheostat R4 is with resistance R3's
One end connection, the other end of resistance R3 are connect with one end of resistance R2, and the other end of resistance R2 is also connect with one end of resistance R6,
One end of slide rheostat R11 is grounded, and the other end of slide rheostat R11 is connect with one end of resistance R10, and resistance R10's is another
One end is connect with the other end of resistance R9, and the other end of resistance R10 is also connect with one end of slide rheostat R8, slide rheostat
One end of R8 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the reverse phase of the other end and integrated transporting discharging A3 of slide rheostat R8 is defeated
Enter end connection, the other end of slide rheostat R8 also connect with one end of resistance R7, and the other end of resistance R7 is another with resistance R6's
One end connection, the other end of resistance R7 are also connect with one end of resistance R12, one end of resistance R13 and the output of integrated transporting discharging A3
End connection, the other end of resistance R13 are connect with the other end of resistance R12, one end of resistance R14 and the output end of integrated transporting discharging A3
Connection, the other end of resistance R14 are connect with the input terminal of the signal filter unit.
Signal filter unit includes resistance R15-R21, capacitor C1-C2 and integrated transporting discharging A4-A6.
Wherein, the output end of signal amplification unit is connect with one end of resistance R15, the other end and resistance R17 of resistance R15
One end it is in parallel after connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R17 and the output end of integrated transporting discharging A4
Connection, one end ground connection of resistance R16, the non-inverting input terminal after the other end of resistance R16 is in parallel with resistance R21 with integrated transporting discharging A4
Connection, the other end of resistance R21 connect with the output end of integrated transporting discharging A4, and the other end of resistance R17 is defeated with integrated transporting discharging A4's
Connect after outlet is in parallel with one end of resistance R18, after the other end of resistance R18 is in parallel with one end of capacitor C1 with integrated transporting discharging A5
Inverting input terminal connection, the other end of capacitor C1 connect with after the parallel connection of the output end of integrated transporting discharging A5 with one end of resistance R19,
The non-inverting input terminal of integrated transporting discharging A5 is grounded, with integrated transporting discharging A6's after the other end of resistance R19 is in parallel with one end of capacitor C2
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A6, the other end of capacitor C2 and the output end of integrated transporting discharging A6
Connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A4, and the other end of resistance R20 is with integrated transporting discharging A6's
Output end connection, one end of resistance R21 are connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R21 and integrated fortune
The output end connection of A5 is put, the output end of integrated transporting discharging A6 and the port ADC of central processing unit connect, and signal processing unit will be located
Voltage signal V1 after reason is transmitted to the port ADC of central processing unit.
In above embodiment, the noise of signal processing circuit drifts about within 50nV as 0.4 μ V/ DEG C, integrated transporting discharging A1
For LT1112 or LT1114 low drifting amplifier, integrated transporting discharging A2 is LT1112 or LT1114 low drifting amplifier, integrated transporting discharging
A3 is LT1097 or LT1114 low drifting amplifier, and integrated transporting discharging A4, A5 and A6 are LT1097 amplifier, due to integrated transporting discharging
The direct current offset of A1-A3 and drift will not influence the overall offset of circuit, so that circuit has extremely low offset and drift
It moves.
Slide rheostat R4 is used for adjust gain, and it is total that slide rheostat R8 and slide rheostat R11 are used to adjustment direct current
Mould inhibits.
The resistance value of resistance R1 is 10K Ω, and the resistance value of resistance R2 is 10K Ω, and the resistance value of resistance R3 is 2.1K Ω, slides variable resistance
Device R4 is the slide rheostat that resistance value is 800 Ω, and the resistance value of resistance R5 is 10K Ω, and the resistance value of R6 is 100 Ω, the resistance of resistance R7
Value is 20K Ω, and slide rheostat R8 is the slide rheostat that resistance value is 1M Ω, and the resistance value of resistance R9 is 100 Ω, resistance R10's
Resistance value is 9.88K Ω, and slide rheostat R11 is the slide rheostat that resistance value is 200 Ω, and the resistance value of resistance R12 is 10K Ω, electricity
The resistance value for hindering R13 is 1K Ω, and the resistance value of resistance R14 is 5.1K Ω, and the resistance value of resistance R15 is 1.7K Ω, and the resistance value of resistance R16 is
The resistance value of 4.7K Ω, resistance R17 are 10K Ω, and the resistance value of resistance R18 is 5K Ω, and the resistance value of resistance R19 is 1K Ω, resistance R20's
Resistance value is 5K Ω, and the resistance value of resistance R21 is 5K Ω, and the capacitance of C1 is 390pF, and the capacitance of capacitor C2 is 470pF.
Since the signal of vibrating sensor acquisition is faint voltage signal, thus signal amplification unit passes through integrated transporting discharging
What A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and slide rheostat R4, R8, R11 exported vibrating sensor
Voltage V0 amplifies processing, by integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and sliding variable resistance
The signal amplification unit that device R4, R8, R11 are constituted only have offset within the drift of 0.5 μ V/ DEG C, 5 μ V, 100pA bias current and
The noise of 50nV in the broadband 0.1Hz to 10Hz.Wherein, signal filter unit uses resistance R15-R21, capacitor C1-C2 and collection
Low-pass filtering treatment is carried out to by amplified voltage signal at amplifier A4-A6, to improve the precision of vibration detection.
In the present embodiment, fixed pin 14 is flexibly connected with fixed link 15, and the second removable pin 10 is flexibly connected with bracket 11,
Flexible connection can make to be convenient for carrying between fixed pin 14 and fixed link 15, the second removable pin 10 and bracket 11 convenient for shrinking.
In the present embodiment, stretcher frame 1 is fixed by screws with telescopic fixed plate 9, and telescopic fixed plate 9 can be with
It pulls out below stretcher frame 1, some emergency equipments and tool can be placed, improve first aid efficiency, while not using
When can internally shrink, save space.
In the present embodiment, spring 12 is fixed by screws with universal wheel 13, and spring 12 can transport wounded's process
In, it reduces the shaking of stretcher and jolts, avoid the wounded by secondary injury.
In the present embodiment, protection headrest 4 protects headrest 4 to pass through spiral shell with angle adjustment plate 2 through the inside of cushion 3
Silk is fixedly connected, and protection headrest 4 and angle adjustment plate 2 are used in combination, and the wounded can be made to be fixed on a comfortable angle, subtracts
The pain of ambulant patient, while also can avoid the wounded and being injured again.
In the present embodiment, stretcher frame 1 is fixed by screws with flexible plastic hand handle 19, in first aid procedures, the time
Tightly, flexible plastic hand handle 19 can be mentioned for former and later two manpowers, quickly reach first Aid, while the physical strength for saving rescuer disappears
Consumption is also convenient for carrying and quickly transports.
In the present embodiment, stretcher frame 1 is flexibly connected with portable stanchion 5, and 7 activity of portable stanchion 5 and the first removable pin
Connection, protective fence 6 are fixedly connected with the first removable pin 7 by welding manner, and the wounded might have unconsciousness after injury and wake up,
It is possible that can fall down from stretcher, protective fence 6 can fall to avoid the wounded, while can also shrink when not in use, section
Save space.
In the present embodiment, angle adjustment plate 2 is fixed by screws with infusion support mounting base 17, and infusion support mounting base
17 are flexibly connected with infusion support 18, and flexible connection can make infusion support 18 freely hold up and put down, while provide for first aid procedures
Convenience does not need medical staff and holds transfusion bottle, saves medical staff physical demands.
The working principle of the invention and process for using: first before use, need to open on bracket 11, and with fixed pin 14
Its position is fixed, prevents that accident occurs in motion process, then puts down patient on cushion 3 gently, it is in need can be by head
Portion is fixed on protection headrest 4, is avoided secondary injury, is then prevented patient from falling from stretcher 6 pull-up of protective fence again
It falls, increases the pain of patient again, when needing using medical instrument and tool, telescopic fixed plate 9 can be pulled out, put
Some medical first aid articles are set, right to need the patient being infused that hold up infusion support 18, all functions of using of the device are all
It can shrink, it is easy to carry, while saving space.
The above are the preferable embodiments of the present invention, and those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified, and therefore, the invention is not limited to above-mentioned specific embodiment, all those skilled in the art exist
Made any conspicuous improvement, replacement or modification all belong to the scope of protection of the present invention on the basis of the present invention.
Claims (10)
1. a kind of first aid stretcher with vibration-testing, including protective fence (6), it is characterised in that: the bottom of the protective fence (6) is set
It is equipped with the first removable pin (7), and the bottom of first removable pin (7) is provided with portable stanchion (5), the portable stanchion (5)
Bottom be provided with cushion (3), and the top right side middle position of the cushion (3) be provided with protection headrest (4), the cushion
(3) bottom is provided with angle adjustment plate (2), and regulating pin (8) are provided on the inside of the angle adjustment plate (2), described
The bottom of angle adjustment plate (2) is provided with stretcher frame (1), and the bottom of the stretcher frame (1) is provided with telescopic fixed plate
(9) and the second removable pin (10), and the telescopic fixed plate (9) is in the inside of the second removable pin (10), second activity
It is provided with bracket (11), is provided with third removable pin (16) on the right side of the bracket (11), and the third on the inside of pin (10)
It being provided on the right side of removable pin (16) fixed link (15), the middle position of the fixed link (15) is provided with fixed pin (14), and
The bottom of the bracket (11) is provided with spring (12), and the bottom of the spring (12) is provided with universal wheel (13), the stretcher
It is provided on front side of frame (1) flexible plastic hand handle (19), and the interior rear side of the angle adjustment plate (2) is provided with infusion support installation
Seat (17) is provided with infusion support (18) on front side of the infusion support mounting base (17), is provided with vibration on the stretcher frame (1)
Sensor, the vibrating sensor are used to monitor the vibration signal of first aid stretcher, the output end and signal of the vibrating sensor
Processing circuit connection, the signal processing circuit successively carry out signal amplification and signal filtering processing to the vibration signal received
By treated, vibration signal is transmitted to central processing unit afterwards, and the vibration signal received is converted to vibration by the central processing unit
By in wireless network transmissions to the mobile phone of medical staff after dynamic data.
2. the first aid stretcher according to claim 1 with vibration-testing, it is characterised in that: the vibrating sensor is for supervising
The vibration signal for surveying first aid stretcher, is converted to voltage signal V0 for the vibration signal of acquisition, and voltage signal V0 is transmitted to institute
State signal processing circuit, V1 is by the signal processing circuit treated voltage signal, and the signal processing circuit includes
The input terminal of signal amplification unit and signal filter unit, the output end of the vibrating sensor and the signal amplification unit connects
It connects, the output end of the signal amplification unit is connect with the input terminal of the signal filter unit, the signal filter unit
The connection of the port ADC of output end and central processing unit.
3. the first aid stretcher according to claim 2 with vibration-testing, it is characterised in that: the signal amplification unit includes
Integrated transporting discharging A1-A3, resistance R1-R3, R5-R7, R9-R10, R12-R14 and slide rheostat R4, R8, R11；
Wherein, the output end of the vibrating sensor is connect with one end of resistance R1, the other end and integrated transporting discharging A1 of resistance R1
Non-inverting input terminal connection, one end of resistance R2 connect with the inverting input terminal of integrated transporting discharging A1, the other end and collection of resistance R2
It is connected at the output end of amplifier A1, one end of resistance R5 is connect with the output end of integrated transporting discharging A2, the other end and collection of resistance R5
It is connected at the inverting input terminal of amplifier A2, the non-inverting input terminal ground connection of integrated transporting discharging A2, one end of resistance R5 and the one of resistance R9
End connection, the other end of resistance R5 are connect with one end of slide rheostat R4, and the other end of slide rheostat R4 is with resistance R3's
One end connection, the other end of resistance R3 are connect with one end of resistance R2, and the other end of resistance R2 is also connect with one end of resistance R6,
One end of slide rheostat R11 is grounded, and the other end of slide rheostat R11 is connect with one end of resistance R10, and resistance R10's is another
One end is connect with the other end of resistance R9, and the other end of resistance R10 is also connect with one end of slide rheostat R8, slide rheostat
One end of R8 is connect with the non-inverting input terminal of integrated transporting discharging A3, and the reverse phase of the other end and integrated transporting discharging A3 of slide rheostat R8 is defeated
Enter end connection, the other end of slide rheostat R8 also connect with one end of resistance R7, and the other end of resistance R7 is another with resistance R6's
One end connection, the other end of resistance R7 are also connect with one end of resistance R12, one end of resistance R13 and the output of integrated transporting discharging A3
End connection, the other end of resistance R13 are connect with the other end of resistance R12, one end of resistance R14 and the output end of integrated transporting discharging A3
Connection, the other end of resistance R14 are connect with the input terminal of the signal filter unit.
4. the first aid stretcher according to claim 3 with vibration-testing, it is characterised in that: the signal filter unit includes
Resistance R15-R21, capacitor C1-C2 and integrated transporting discharging A4-A6；
Wherein, the output end of the signal amplification unit is connect with one end of resistance R15, the other end and resistance R17 of resistance R15
One end it is in parallel after connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R17 and the output end of integrated transporting discharging A4
Connection, one end ground connection of resistance R16, the non-inverting input terminal after the other end of resistance R16 is in parallel with resistance R21 with integrated transporting discharging A4
Connection, the other end of resistance R21 connect with the output end of integrated transporting discharging A4, and the other end of resistance R17 is defeated with integrated transporting discharging A4's
Connect after outlet is in parallel with one end of resistance R18, after the other end of resistance R18 is in parallel with one end of capacitor C1 with integrated transporting discharging A5
Inverting input terminal connection, the other end of capacitor C1 connect with after the parallel connection of the output end of integrated transporting discharging A5 with one end of resistance R19,
The non-inverting input terminal of integrated transporting discharging A5 is grounded, with integrated transporting discharging A6's after the other end of resistance R19 is in parallel with one end of capacitor C2
Inverting input terminal connection, the non-inverting input terminal ground connection of integrated transporting discharging A6, the other end of capacitor C2 and the output end of integrated transporting discharging A6
Connection, one end of resistance R20 are connect with the inverting input terminal of integrated transporting discharging A4, and the other end of resistance R20 is with integrated transporting discharging A6's
Output end connection, one end of resistance R21 are connect with the non-inverting input terminal of integrated transporting discharging A4, the other end of resistance R21 and integrated fortune
The output end connection of A5 is put, the output end of integrated transporting discharging A6 is connect with the port ADC of the central processing unit, the signal processing
Unit is by the port ADC of treated voltage signal V1 the is transmitted to central processing unit.
5. the first aid stretcher according to claim 1 with vibration-testing, it is characterised in that: the fixed pin (14) and fixation
Bar (15) is flexibly connected, and second removable pin (10) is flexibly connected with bracket (11).
6. the first aid stretcher according to claim 1 with vibration-testing, it is characterised in that: the stretcher frame (1) with stretch
Contracting formula fixed plate (9) is fixed by screws.
7. the first aid stretcher according to claim 1 with vibration-testing, it is characterised in that: the spring (12) and universal wheel
(13) it is fixed by screws.
8. the first aid stretcher according to claim 1 with vibration-testing, it is characterised in that: the protection headrest (4) is run through
In the inside of cushion (3), and protection headrest (4) is fixed by screws with angle adjustment plate (2).
9. the first aid stretcher according to claim 1 with vibration-testing, it is characterised in that: the stretcher frame (1) with it is soft
Plastics hand handle (19) is fixed by screws, and the stretcher frame (1) is flexibly connected with portable stanchion (5), and the activity
Pillar (5) is flexibly connected with the first removable pin (7), and the protective fence (6) and the first removable pin (7) connect by the way that welding manner is fixed
It connects.
10. the first aid stretcher according to claim 1 with vibration-testing, it is characterised in that: the angle adjustment plate (2) with
Infusion support mounting base (17) is fixed by screws, and the infusion support mounting base (17) is flexibly connected with infusion support (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431199.8A CN109381297A (en) | 2018-11-28 | 2018-11-28 | A kind of first aid stretcher with vibration-testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811431199.8A CN109381297A (en) | 2018-11-28 | 2018-11-28 | A kind of first aid stretcher with vibration-testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109381297A true CN109381297A (en) | 2019-02-26 |
Family
ID=65429678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811431199.8A Withdrawn CN109381297A (en) | 2018-11-28 | 2018-11-28 | A kind of first aid stretcher with vibration-testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109381297A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111067624A (en) * | 2019-12-25 | 2020-04-28 | 四川安雅仕健康管理有限公司 | An interventional surgical robot device for medium and long-distance remote control operation |
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|---|---|---|---|---|
| DE20212494U1 (en) * | 2002-08-14 | 2002-12-19 | Eppler & Co. GmbH, 72793 Pfullingen | Device for shock and vibration damping for vehicles |
| CN2683087Y (en) * | 2004-03-08 | 2005-03-09 | 江阴万事兴医疗器械有限公司 | Ambulance stretcher |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111067624A (en) * | 2019-12-25 | 2020-04-28 | 四川安雅仕健康管理有限公司 | An interventional surgical robot device for medium and long-distance remote control operation |
| CN111067624B (en) * | 2019-12-25 | 2021-08-17 | 四川安雅仕健康管理有限公司 | An interventional surgical robot device for medium and long-distance remote control operation |
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Application publication date: 20190226 |