CN2620532Y - Intelligent biological organ volume density instrument - Google Patents

Intelligent biological organ volume density instrument Download PDF

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Publication number
CN2620532Y
CN2620532Y CN 03234871 CN03234871U CN2620532Y CN 2620532 Y CN2620532 Y CN 2620532Y CN 03234871 CN03234871 CN 03234871 CN 03234871 U CN03234871 U CN 03234871U CN 2620532 Y CN2620532 Y CN 2620532Y
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CN
China
Prior art keywords
circuit
biological organ
density instrument
bulk density
chip
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Expired - Lifetime
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CN 03234871
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Chinese (zh)
Inventor
于晓军
樊瑜波
徐小虎
李晋川
郭庆
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Sichuan University
Shantou University
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Sichuan University
Shantou University
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Priority to CN 03234871 priority Critical patent/CN2620532Y/en
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Abstract

An intelligent biological organ volume density instrument is characterized in that a plurality of trays (5), (11) and (12), corresponding measuring devices (3) and electronic components arranged in a case (9) are arranged on the case. The electronic circuit formed by electronic components is connected with the liquid level sensor (1) and the force sensors (6), (10) and (7), the sensor signal is input into the amplifier circuit and is connected with the singlechip through the A/D conversion by a serial data bus, the singlechip is connected with the serial communication interface and the digital display circuit, and the stabilized voltage power supply circuits are respectively connected in parallel between each stage of circuits. The method has the advantages of quickly, accurately and reliably detecting organs in human and animal cadavers, having irregular shapes and being difficult to accurately measure the volume density of objects, and providing scientific data for the aspects of physiological anatomy, pathological anatomy, forensic pathology and physical anthropology.

Description

Intelligence biological organ bulk density instrument
One, technical field
This utility model relates to a kind of intelligence biological organ bulk density instrument, belongs to the volume-density measurement field of form irregularly shaped object.
Two, background technology
At present, domestic and international Physiological Anatomy, pathological anatomy and aspects such as Forensic Pathology and physical anthropology, statement human organ volume is still continued to use manual ruler and is surveyed length * wide * high method, because organ three-dimensional configuration irregular, this bulking value is science, inaccurate not, can not be in order to the density of further calculating organ-tissue.
According to bibliographical information and Cha Xin result, present main research concentrates on organs of living beings and adopts CT, B ultrasonic etc. to measure indirectly, as Zhu Haixian, and Gu Guangguan, Wang Xintao, etc., CT scan is measured the pre-test of spleen volume method, " Suzhou Medical College journal ", (5) 586,1999; A kind of method that adopts CT scan to measure the spleen volume has been described.Pi Jian, Sun Xurong, the young heart size x-ray measurement research of the Xinjiang Mongols, " Xinjiang Medical College journal ", (20) 257-260,1997; A kind of method that adopts the x-ray measurement heart size has been described.Xie Min, Ye Genghui, liver volume is measured the research that extremely changes, " Chinese surgical magazine ", (11) 657-658,1994 during posthepatitic cirrhosis; Utilize digital image processing system and three-dimensional information extraction and 3D image reconstruction software, successfully measure the live body liver volume, reconstruct live body liver 3-D view.Geng Shizhao, the more accurate ultrasonic measurement method of a kind of abdominal organs volume, " Chinese ultrasound medicine magazine ", (12) 44-47,1996; Propose a kind of volumetrical measurements and calculations method of abdominal viscera that is mainly used in more accurately, it uses common diasonograph to realize its function under computer help.Delineate the dissection profile of two dimensional image by manual operation vernier once more, can obtain cubing rapidly.All Yuqin, Zhang Qingping, static structure 3-D supersonic imaging methodological study progress, " introducing external medical technology and equipment " (4) 95-99,1998; Reported that 3-D supersonic imaging can show the solid on the organization of human body coronalplane and carry out area measurement on the coronalplane.Accurate measurement volumes and need not the solid shape of institute's Scan Architecture is supposed.3-D supersonic imaging is when keeping all information of two-dimensional ultrasonic imaging, very visual in image three-dimensional image can be provided, the solid shape of display organization structure, internal structure, surface character, spatial relation, extract separately and the demonstration structures of interest, accurately measure volume or volume, qualitative, the location and the quantitative Diagnosis that help disease, but complex structure cost height.Ji Xiaolong edits " obduction standard ", in July, 2002 front page, the People's Medical Officer Press; Chapter 12 has provided human tissue organ's normal weight and big or small reference value in the book.But do not provide measuring method.
In a word, present human organ volume both domestic and external all adopts ruler to measure length and obtains volume, according to Jilin Province's health information institute medical and health science and technology novelty assessment report: do not see the bibliographical information identical with this utility model content.
Three, summary of the invention
The purpose of this utility model is to provide a kind of intelligence biological organ bulk density instrument at the deficiencies in the prior art.Be characterized in adopting microcomputer control, measure organ quality and displacement, accurate its volume mass that calculates, display quality, volume and tissue density's value automatically.
The purpose of this utility model is realized by following technical measures:
Intelligence biological organ bulk density instrument and method of testing and purposes
Intelligence biological organ bulk density instrument
Intelligence biological organ bulk density instrument comprises to be installed a plurality of pallets, a plurality of measuring device and is loaded on the interior electronic devices and components of cabinet on the cabinet, the electronic circuit that electronic devices and components form connects liquid level sensor and force transducer, two sensors is by amplifier circuit, be connected with single-chip microcomputer by serial data bus through A/D converter, single-chip microcomputer is connected with control input, output with serial communication and shows with digital display circuit, difference parallel voltage-stabilizing power circuit between the circuit at different levels.
Installing liquid level sensor, scale, measured object and liquid in each measuring device.Measuring device is positioned on the pallet that is complementary, and pallet is divided into supporting force transducer.Force transducer is fixed on the cabinet, cabinet peripheral hardware bracing frame, rotatable crossbeam and liquid level sensor lead.
Amplifier circuit is made up of instrumentation amplifier and follower.
Single chip machine controlling circuit is by A/D converter, serial interface memory chip, and the filtering of crystal oscillator, RS232 interface chip and chip internal, multiplication of voltage and cathode voltage change-over circuit are formed.
Digital display circuit is made up of digital display driver coding chip, gated inverter and dynamic scan demonstration charactron.
Voltage-stabilized power supply circuit is made up of full-bridge circuit, filtering and manostat.
Intelligence biological organ bulk density instrument is mainly used in the intravital organ of humans and animals corpse and detects, irregular owing to form, as to be difficult to accurate Measuring Object bulk density, by detection, provide the data of science for Physiological Anatomy, pathological anatomy, Forensic Pathology and physical anthropology aspect to humans and animals corpse and various organs thereof.
The utlity model has following advantage:
1. according to traditional Archimedes principle, the precision of comparison, adjustment and definite instrument, the volume of each organ-tissue of human body and density, understand the volume and the density of common diffusivity of human body and limitation diseased organ tissue, diagnosing for pathology and medicolegal examination provides easy, reliable science data.
2. select the measuring device of suitable range according to the size of organ, chip stores corresponding liquid level difference-volume conversion scale data, automatically finish the measurement and the output of quality, volume and density parameter, its weighing precision ± 0.5%, level accuracy ± 0.5%, density accuracy ± 1%, temperature difference drift ± 0.1%, zero drift ± 0.1%.
3. detect animal tissues such as water-injected meat, for the realistic problem that solves puzzlement government and society provides a scientific method.
4. this utility model adopts in strain induction technology design level electrode, the electronic circuit and adopts the incremental detection technology, and the system that finishes automatically under Single-chip Controlling regulates, and has guaranteed measuring accuracy, and remarkable social benefit and economic benefit are arranged.
Four, description of drawings
Fig. 1 is an intelligence biological organ bulk density instrument structural representation
Range force transducer in the range pallet, 6,7 large range stress sensors, 8 supports, 9 cabinets, 10 little range sensorses, 11 journey pallets, 12 wide range pallets in a small amount in 1 level sensor, 2 scales, 3 measuring devices, 4 measured objects, 5.
Fig. 2 is a side view
13 holding wires, 14 rotatable crossbeams, 15 support bars.
Fig. 3 is the cabinet panel sketch map
16 volume display windows, 17 weight display windows, 18 density display windows, 19 buttons.
Fig. 4 is a cabinet backboard sketch map
20 level sensor interfaces, 21 power interfaces, 22 on and off switch, 23 serial communication interfaces.
Fig. 5 is an intelligence biological organ bulk density instrument circuit theory diagram
Fig. 6 is the amplifier circuit schematic diagram
Fig. 7 is the voltage-stabilized power supply circuit schematic diagram
Fig. 8 is the digital display circuit schematic diagram
Fig. 9 is A/D conversion and single chip machine controlling circuit schematic diagram
Five, the specific embodiment
Below by embodiment this utility model is specifically described; be necessary to be pointed out that at this present embodiment only is used for this utility model is further specified; can not be interpreted as the restriction to this utility model protection domain, the person skilled in the art in this field can make some nonessential improvement and adjustment according to above-mentioned content of the present utility model.
Embodiment
Intelligence biological organ bulk density instrument is shown in Fig. 1~2, comprise and installed a plurality of pallets 5,11,12 and corresponding measuring device 3 on the cabinet 9, can install liquid level sensor 1, scale 2, measured object 4 and liquid in each measuring device 3, measuring device 3 is positioned on the pallet that is complementary, pallet is divided into supporting force transducer 6,10,7, force transducer is fixed on the cabinet, cabinet peripheral hardware bracing frame 15, rotatable crossbeam 14 and liquid level sensor lead 13.Be loaded on electronic circuit connection liquid level sensor 1 and force transducer 6,10,7 that the electronic devices and components in the cabinet 9 form.Two groups of amplifier circuits, one group of output that connects liquid level sensor, another group is connected in the force transducer 6,10,7 one output through electrical switch, signal amplifies after the A/D change-over circuit, be connected with single-chip microcomputer 89C52 by serial data bus, single-chip microcomputer is connected with control input, output with serial communication interface RS232 and shows with digital display circuit, difference parallel voltage-stabilizing power circuit between the circuit at different levels.
As shown in Figure 3, cabinet panel is established volume demonstration forms 16, weight shows that forms 17, density show forms 18 and button 19.
As shown in Figure 4, the cabinet backboard is established liquid level sensor interface 20, RS-232 serial communication interface 23, AC power interface 21 and on and off switch 22.
Shown in Fig. 5~6, the power amplifier circuit is made up of instrumentation amplifier IC4, zeroing circuit D6 and follower IC5.Wherein, large range stress sensor output A-IN+, A-IN-, the middle output of range force transducer B-IN+, B-IN-, small-measuring range force transducer output C-IN+, C-IN-, they all receive the input of electrical switch IC1, change address wire A, B and can select wherein one group of signal access instrumentation amplifier.High frequency clutter in capacitor C 26 filtered signals, R20 and R21 do not add at signal fashionablely provides a DC channel to amplifier, in order to avoid damage IC4, R22 and R23 are the input current-limiting resistance.The amplification of R16 decision instrumentation amplifier IC4, the signal that is exaggerated is from the 6 feet output of IC4.D6, R10 have constituted an accurate reference power supply, and this power supply can be removed the zero migration in pick off and the amplifier by the zeroing circuit that R17, R18, R13 constitute; IC5 is that follower reduces output impedance in order to improve input impedance, and R24 can adjust the zero migration of IC5.
The amplifier circuit of liquid level sensor is made up of instrumentation amplifier IC2, zeroing circuit D2 and follower IC3, liquid level sensor output D-IN+, D-IN-directly insert instrumentation amplifier, has identical circuit with force transducer, high frequency clutter in capacitor C 2 filtered signals, R8 and R7 do not add at signal fashionablely provides a DC channel to amplifier, in order to avoid damage IC2, R5 and R6 are the input current-limiting resistance.The amplification of R11 decision instrumentation amplifier IC2, the signal that is exaggerated is from the 6 feet output of IC2.D2, R2 have constituted an accurate reference power supply, and this power supply can be removed the zero migration in pick off and the amplifier by the zeroing circuit that R9, R4, R3 constitute; IC3 is that follower reduces output impedance in order to improve input impedance, and R1 adjusts the zero migration of IC3.
Be illustrated in figure 7 as voltage-stabilized power supply circuit.D7 is the diode full bridge rectifier; C22, C23 filter capacitor, the high fdrequency component in the filter out power; IC11 and IC12 form the two-stage mu balanced circuit, and R4, R5, R2, R3 are sample resistance, make output voltage be+10V; C24, C25 are filter capacitor, and this output voltage is as the supply voltage of force transducer and liquid level sensor.D5 is the diode full bridge rectifier, and C18, C19, C20, C21 are filter capacitor; IC9 is a voltage-stabilizing device, and its output+5V is as the power supply of A/D conversion and single chip machine controlling circuit part.D1, D2, D3, D4 constitute full bridge rectifier, and C6, C7, C8, C9, C10, C11, C14, C15, C12, C13, C16, C17 are filter capacitor; IC1, IC2 are respectively positive and negative 15V manostat, output+15V and-15V voltage is as the power supply of amplifier circuit.
Be illustrated in figure 8 as digital display circuit.Volume, weight, density show to have identical circuit.IC2 is digital display driver coding chip, and R9~R16 is eight sections LED current-limiting resistances, and IC6 is the position gated inverter, and dynamic scan shows 4 charactrons.
Be illustrated in figure 9 as A/D conversion and single chip machine controlling circuit.IC1 is the 12bit serial line interface A/D conversion chip of 11 analog channels, and the YS termination is gone into signal, LS termination after force transducer amplifies and gone into signal after liquid level sensor amplifies; IC10 is electrification reset and serial interface memory chip, the hand-reset but S1 is pressed, and R9, R10 are the level pull-up resistor; Crystal oscillator X1 and capacitor C 1, C2 provide clock pulses for single-chip microcomputer IC9; P1 connects display circuit, and P2 connects button, and R7, R8 are pull-up resistor; IC2 is the RS232 interface chip, and C4, C5, C6, C7 are the desired filtering of chip internal, multiplication of voltage, reverse voltage conversion electric capacity.

Claims (6)

1. intelligence biological organ bulk density instrument, it is characterized in that having installed on the cabinet (9) a plurality of pallets (5), (11), (12) and corresponding measuring device (3) and be loaded on the interior electronic devices and components of cabinet (9), electronic circuit connection liquid level sensor (1) that electronic devices and components form and force transducer (6), (10), (7), two groups of identical amplifier circuits, be connected with single-chip microcomputer by serial data bus through the A/D conversion, single-chip microcomputer is connected with digital display circuit with serial communication interface, difference parallel voltage-stabilizing power circuit between the circuit at different levels.
2. according to the described intelligence biological organ of claim 1 bulk density instrument, it is characterized in that installing liquid level sensor (1), scale (2), measured object and liquid in the measuring device (3), measuring device is positioned on the pallet (5) that is complementary, (11), (12), pallet is divided into supporting force transducer (6), (10), (7), force transducer is fixed on the cabinet, cabinet peripheral hardware bracing frame (15), rotatable crossbeam (14) and liquid level sensor lead (13).
3. according to the described intelligence biological organ of claim 1 bulk density instrument, it is characterized in that amplifier circuit is made up of instrumentation amplifier and follower.
4. according to the described intelligence biological organ of claim 1 bulk density instrument, it is characterized in that single chip machine controlling circuit is made up of filtering, multiplication of voltage and the cathode voltage change-over circuit of A/D converter, serial line interface storage chip, crystal oscillator, interface chip and chip internal.
5. according to the described intelligence biological organ of claim 1 bulk density instrument, it is characterized in that digital display circuit by digital display driver coding chip, gated inverter and dynamic scan show the charactron composition.
6. according to the described intelligence biological organ of claim 1 bulk density instrument, it is characterized in that mu balanced circuit is made up of full-bridge circuit, filtering and manostat.
CN 03234871 2003-06-11 2003-06-11 Intelligent biological organ volume density instrument Expired - Lifetime CN2620532Y (en)

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Application Number Priority Date Filing Date Title
CN 03234871 CN2620532Y (en) 2003-06-11 2003-06-11 Intelligent biological organ volume density instrument

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357723A (en) * 2018-12-17 2019-02-19 浙江大学自贡创新中心 A kind of method and device of measurement arm quality
CN110672178A (en) * 2019-10-31 2020-01-10 昆明理工大学 Volume measurer
CN112520374A (en) * 2020-11-03 2021-03-19 安徽理工大学 Coal and gangue identification device and coal and gangue sorting system
CN112520375A (en) * 2020-11-03 2021-03-19 安徽理工大学 Rotary wheel type coal gangue identification device
CN112520376A (en) * 2020-11-03 2021-03-19 安徽理工大学 High-precision coal and gangue identification system
CN112536237A (en) * 2020-11-03 2021-03-23 安徽理工大学 Coal gangue sorting device and raw coal gangue discharge system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357723A (en) * 2018-12-17 2019-02-19 浙江大学自贡创新中心 A kind of method and device of measurement arm quality
CN109357723B (en) * 2018-12-17 2023-12-08 浙江大学自贡创新中心 Method and device for measuring arm quality
CN110672178A (en) * 2019-10-31 2020-01-10 昆明理工大学 Volume measurer
CN112520374A (en) * 2020-11-03 2021-03-19 安徽理工大学 Coal and gangue identification device and coal and gangue sorting system
CN112520375A (en) * 2020-11-03 2021-03-19 安徽理工大学 Rotary wheel type coal gangue identification device
CN112520376A (en) * 2020-11-03 2021-03-19 安徽理工大学 High-precision coal and gangue identification system
CN112536237A (en) * 2020-11-03 2021-03-23 安徽理工大学 Coal gangue sorting device and raw coal gangue discharge system

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C14 Grant of patent or utility model
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AV01 Patent right actively abandoned

Effective date of abandoning: 20050629

AV01 Patent right actively abandoned

Effective date of abandoning: 20050629

C25 Abandonment of patent right or utility model to avoid double patenting