CN205398635U - Be used for quick detecting system of microbial cultivation single shot dart formula - Google Patents
Be used for quick detecting system of microbial cultivation single shot dart formula Download PDFInfo
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- CN205398635U CN205398635U CN201620084364.7U CN201620084364U CN205398635U CN 205398635 U CN205398635 U CN 205398635U CN 201620084364 U CN201620084364 U CN 201620084364U CN 205398635 U CN205398635 U CN 205398635U
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- signal processing
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- infrared detectors
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Abstract
The utility model discloses a be used for quick detecting system of microbial cultivation single shot dart formula constitutes by cultivateing room, detecting element, signal processing unit and display element, signal processing unit include laser controller, DA digital analog converter and DSP digital signal processing module, infrared detector set up in the interior survey of annular supporting board and in collimater output light path. The utility model discloses a set up the detecting element who constitutes by semiconductor laser, optic fibre, collimating lens, AD adc and infrared detector in cultivateing the room, monitor carbon dioxide concentration in cultivateing the blake bottle in the room in real time. Cultivate the room through setting up the revolving stage, gear motor drives the revolving stage and carries out the rotation of maring to can place a plurality of blake bottles on making the revolving stage, can be in batches to the blake bottle cultivate automatically in proper order with each blake bottle of real -time supervision in the size of bacterium concentration, detectivity is high moreover, the detection cycle is short, the degree of accuracy is high and detect low cost.
Description
Technical field
This utility model relates to medical apparatus and instruments technical field, particularly relates to a kind of for microorganism culturing single-shot discharging type rapid detection system.
Background technology
Hemoculture inspection is for checking a kind of microbiological examination method existed with or without antibacterial in blood sample, seriously jeopardizing in the septicemia of patient vitals, bacteremia patients blood whether have bacterial growth with highly important effect of having clarified a diagnosis clinically for quickly detecting.
In the last few years, along with the appearance of the progress of science and technology, microbiological development and each crossing domain, microbiologist, computer professional and engineers and technicians combined, and had now been developed numerous automatization, integrated Intelligent automatic hemoculture instrument.Automated blood culture instrument is mainly made up of culture systems or constant-temperature incubation device and detection system.
But existing Automated blood culture instrument is all by single a few experiments device mostly, manually access such as independent test tube, vessel etc., single experiment, single inspection, and it is cultivated and checks and is also performed separately, hence without carrying out automatically or the device of batch automatic detection in high volume.
Utility model content
The purpose of this utility model is to provide a kind of for microorganism culturing single-shot discharging type rapid detection system, the culture bottle of batch can be carried out successively automatically the size of the bacterial concentration cultivated and monitor in real time in each culture bottle, and detection sensitivity is high, the cycle is short, accuracy is high and testing cost is cheap in detection.
The technical solution adopted in the utility model is:
A kind of for microorganism culturing single-shot discharging type rapid detection system, it is made up of culturing room, detection unit, signal processing unit and display unit；Described signal processing unit includes laser controller, D/A digital to analog converter and DSP digital signal processing module；
Described detection unit includes semiconductor laser, optical fiber, collimating lens, A/D analog-digital converter and Infrared Detectors；The outfan of described DSP digital signal processing module connects the input of laser controller by D/A digital to analog converter, and the outfan of described laser controller connects the input of semiconductor laser；The outfan of described semiconductor laser connects collimating lens by optical fiber；Collimating lens is arranged on the sidewall of culturing room；
Described turntable is multilayer laminar structure, and each layer is provided with annular support plate, and annular support plate is provided above multiple clamping device；And the arranged outside of the annular support plate of the superiors has collimator, the inner side of corresponding annular support plate is provided with Infrared Detectors, the rear of Infrared Detectors is additionally provided with refracting means, and described collimator, Infrared Detectors and refracting means three are in the same horizontal line；The inner side of the annular support plate of remainder layer is provided with Infrared Detectors, surveys and the outside of annular support plate is provided with refracting means, and it is in the same horizontal line in corresponding Infrared Detectors；
Described culturing room is arranged below switch board, culturing room's inner bottom part is provided with reductor, speed reducer output shaft is provided with turntable, turntable has been horizontally disposed with annular support plate, annular support plate is provided above multiple clamping device, and described clamping device is connected with central processing unit in control room by driving control circuit；
The outfan of described Infrared Detectors is connected with the input of DSP digital signal processing module by A/D analog-digital converter, and the described outfan of DSP digital signal processing module is connected with the input of display unit.
Described clamping device includes fixing plate, and fixing plate two ends are respectively arranged with two elasticity and add gripping arm, and said two elasticity adds the distance of gripping arm and is not more than the bottleneck size of culture bottle.
Described fixing plate is two, and two fixing plates are setting up and down, and two fixing plates are all fixed with annular support plate and are connected.
It is 8 fonts or r font that described elasticity adds gripping arm.
Described display unit includes liquid crystal display and acousto-optic warner.
This utility model is by arranging culturing room, culturing room arranges the detection unit being made up of semiconductor laser, optical fiber, collimating lens, A/D analog-digital converter and Infrared Detectors, it is thus possible to be monitored for gas concentration lwevel in the culture bottle in culturing room in real time, and monitoring result is carried out the display of stick figure by display unit, allow the operator to find out the gas concentration lwevel situation of change of each culture bottle in culturing room at a glance.Culturing room is by arranging turntable, rotation that platform carry out demarcate is rotated by reducing motor, so that turntable can be placed multiple culture bottle, and each culture bottle is made a distinction, it is thus possible to the size of the bacterial concentration automatically carrying out successively culture bottle cultivating and monitoring in real time in each culture bottle of batch, and detection sensitivity is high, the cycle is short, accuracy is high and testing cost is cheap in detection.
Accompanying drawing explanation
Fig. 1 is the structural representation of culturing room described in the utility model；
The vertical view that Fig. 2 is culturing room described in the utility model uses state diagram；
Fig. 3 is schematic block circuit diagram of the present utility model.
Detailed description of the invention
As shown in Figure 1,2 and 3, a kind of for microorganism culturing rapid detection system, it is made up of culturing room 4, detection unit, signal processing unit and display unit；Described signal processing unit includes laser controller, D/A digital to analog converter and DSP digital signal processing module；
Described detection unit includes semiconductor laser, optical fiber, collimating lens 3, A/D analog-digital converter and Infrared Detectors 2；The outfan of described DSP digital signal processing module connects the input of laser controller by D/A digital to analog converter, and the outfan of described laser controller connects the input of semiconductor laser；The outfan of described semiconductor laser connects collimating lens 3 by optical fiber；Collimating lens 3 is arranged on the sidewall of culturing room；
Described semiconductor laser is connected with output flange by optical fiber, again through input optical fibre by Laser Transmission to collimating lens 3.The centre wavelength of described semiconductor laser is 2004nm, as the exploring laser light source of carbon dioxide, utilizes laser controller that laser instrument output center wavelength is tuned to the optimal absorption line place of carbon dioxide；Described DSP digital signal processing module is loaded into laser controller by the sine wave signal of triangular signal and 20kHz that D/A digital to analog converter produces 10Hz simultaneously, it is achieved slowly scanning and the frequency modulation(PFM) of noise spectra of semiconductor lasers output wavelength.
Described turntable 1 is multilayer laminar structure, and each layer is provided with annular support plate 7, and annular support plate 7 is provided above multiple clamping device；And the arranged outside of the annular support plate 7 of the superiors has collimator 3, the inner side of corresponding annular support plate 7 is provided with Infrared Detectors 2, the rear of Infrared Detectors 2 is additionally provided with refracting means 11, and described collimator 3, Infrared Detectors 2 and refracting means 11 three are in the same horizontal line；The inner side of the annular support plate of remainder layer is provided with Infrared Detectors 2, surveys in corresponding Infrared Detectors, and the outside of annular support plate is provided with refracting means 11, and it is in the same horizontal line.Described refracting means 11 can be prism, namely the infrared ray of each layer is after Infrared Detectors 2 is measured, reflect each through the prism being arranged on Infrared Detectors 2 light path rear, adjust the refraction angle of each layer, the iraser of last layer is refracted to being arranged on the lower floor's prism below collimator 3 of closing on, birefringence is being carried out by the prism of lower floor, straight line iraser being become again level irradiates, it is transmitted on the Infrared Detectors 2 of current layer, the culture bottle 8 making the second layer also can be monitored by iraser, the like, then whole device all can realize monitoring, and need only to a collimator 3, the output light path of semiconductor laser transmitter also needs only to a defeated light-emitting window in road, save cost, and do not affect again the effect of monitoring.
Described culturing room 4 is arranged below switch board 6, culturing room's inner bottom part is provided with reductor 5, reductor 5 output shaft is provided with turntable 1, turntable 1 has been horizontally disposed with annular support plate 7, annular support plate 7 is provided above multiple clamping device, and described clamping device is connected with central processing unit in control room by driving control circuit；Switch board can control rotation and the chattering frequency of reductor 5, thus the position of each culture bottle 8 realized on turntable 1, and carry out shake precipitation for culture bottle 8.This is the basic steps of hemoculture, so concrete repeats no more.
This utility model is respectively provided with collimating lens and Infrared Detectors in the culture bottle both sides on annular support plate of fixed placement, laser enters Infrared Detectors by input optical fibre transmission to collimating lens line focus, culture bottle is positioned over detection unit center position, collimated laser passes from the non-culture fluid space above culture bottle, and received by the Infrared Detectors on the window of opposite, laser signal is converted to the signal of telecommunication, and signal of telecommunication transmission carries out signal processing to signal processing unit the most at last.Described A/D analog-digital converter converts the signal of telecommunication that Infrared Detectors 2 transmits to digital signal, and transmit it to DSP digital signal processing module and carry out signal processing, the concentration information of carbon dioxide is transmitted to display unit by final DSP digital signal processing module.How above-mentioned be prior art by the concentration of laser side carbon dioxide, the method for this measurement neither protected content of the present utility model, so repeat no more measuring method and the step of citing herein.
On collimator 3 output light path；The outfan of described Infrared Detectors 2 is connected with the input of DSP digital signal processing module by A/D analog-digital converter, and the described outfan of DSP digital signal processing module is connected with the input of display unit.Described display unit includes liquid crystal display and acousto-optic warner.Described liquid crystal display shows the gas concentration lwevel calibration curve information that DSP digital signal processing module transmits in real time, if gas concentration lwevel is beyond the concentration value preset, then audible and visual alarm device carries out audible and visual alarm, to detect the existence of antibacterial in culture bottle in time.
Described clamping device includes fixing plate 10, and fixing plate 10 two ends are respectively arranged with two elasticity and add gripping arm 9, and said two elasticity adds the distance of gripping arm 9 and is not more than the bottleneck size of culture bottle 8.Being supported placing to culture bottle 8 by annular support plate 7, add gripping arm 9 by elasticity and be clamped fixing to culture bottle, and may be used for placing label on fixing plate 10, label is used for distinguishing culture bottle.
Described fixing plate 10 is two, two fixing plates are setting up and down, and two fixing plates are all fixing with annular support plate 7 is connected, each fixing plate two ends are respectively arranged with two elasticity and add gripping arm 9, upper and lower two-layer clamping device is set, add gripping arm 9 by four elasticity a culture bottle is fixed so that it is fixing more firm, at culture bottle along with more stable when annular support plate rotates.
It is 8 fonts or r font that described elasticity adds gripping arm.The elasticity of 8 fonts or r font adds gripping arm makes two elasticity add the grasping part forming similar " circle " between gripping arm 9, for being clamped consolidating to culture bottle.
This utility model includes while culture bottle carries out cultivating, real-time monitoring is carried out for culture bottle, and by this device, make multiple culture bottle all can operate simultaneously, monitor respectively, and switch different culture bottles by the position of rotation of turntable and be monitored, that not only monitors on the whole is highly sensitive, the detection cycle is short, accuracy is high, and the system for detecting blood culture instrument that testing cost is low, detect the metabolite gas concentration lwevel of antibacterial in culture bottle in real time and in conjunction with audible and visual alarm, guarantee to detect the existence of antibacterial in culture bottle in time, make a definite diagnosis the time of the state of an illness shortening patient.
Claims (5)
1. one kind is used for microorganism culturing single-shot discharging type rapid detection system, it is characterised in that: it is made up of culturing room, detection unit, signal processing unit and display unit；Described signal processing unit includes laser controller, D/A digital to analog converter and DSP digital signal processing module；
Described detection unit includes semiconductor laser, optical fiber, collimating lens, A/D analog-digital converter and Infrared Detectors；The outfan of described DSP digital signal processing module connects the input of laser controller by D/A digital to analog converter, and the outfan of described laser controller connects the input of semiconductor laser；The outfan of described semiconductor laser connects collimating lens by optical fiber；Collimating lens is arranged on the sidewall of culturing room；
Described culturing room is arranged below switch board, culturing room's inner bottom part is provided with reductor, speed reducer output shaft is provided with turntable, turntable has been horizontally disposed with annular support plate, annular support plate is provided above multiple clamping device, and described clamping device is connected with central processing unit in control room by driving control circuit；
Described turntable is multilayer laminar structure, and each layer is provided with annular support plate, and annular support plate is provided above multiple clamping device；And the arranged outside of the annular support plate of the superiors has collimator, the inner side of corresponding annular support plate is provided with Infrared Detectors, the rear of Infrared Detectors is additionally provided with refracting means, and described collimator, Infrared Detectors and refracting means three are in the same horizontal line；The inner side of the annular support plate of remainder layer is provided with Infrared Detectors, surveys and the outside of annular support plate is provided with refracting means, and it is in the same horizontal line in corresponding Infrared Detectors；
The outfan of described Infrared Detectors is connected with the input of DSP digital signal processing module by A/D analog-digital converter, and the described outfan of DSP digital signal processing module is connected with the input of display unit.
2. according to claim 1 for microorganism culturing single-shot discharging type rapid detection system, it is characterized in that: described clamping device includes fixing plate, fixing plate two ends are respectively arranged with two elasticity and add gripping arm, and said two elasticity adds the distance of gripping arm and is not more than the bottleneck size of culture bottle.
3. according to claim 2 for microorganism culturing single-shot discharging type rapid detection system, it is characterised in that: described fixing plate is two, and two fixing plates are setting up and down, and two fixing plates are all fixed with annular support plate and are connected.
4. according to claim 3 for microorganism culturing single-shot discharging type rapid detection system, it is characterised in that: it is 8 fonts or r font that described elasticity adds gripping arm.
5. according to claim 4 for microorganism culturing single-shot discharging type rapid detection system, it is characterised in that: described display unit includes liquid crystal display and acousto-optic warner.
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| CN201620084364.7U CN205398635U (en) | 2016-01-28 | 2016-01-28 | Be used for quick detecting system of microbial cultivation single shot dart formula |
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| CN201620084364.7U CN205398635U (en) | 2016-01-28 | 2016-01-28 | Be used for quick detecting system of microbial cultivation single shot dart formula |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113885821A (en) * | 2021-10-14 | 2022-01-04 | 中元汇吉生物技术股份有限公司 | Microbial cultivation system indicating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113885821A (en) * | 2021-10-14 | 2022-01-04 | 中元汇吉生物技术股份有限公司 | Microbial cultivation system indicating device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201029 Address after: Floor 6, building 5, chaoyafenyuan, No. 1356, hanghai East Road, Zhengzhou area (Economic Development Zone), Zhengzhou pilot Free Trade Zone, Henan Province Patentee after: ZHENGZHOU BOLAITE BIOTECHNOLOGY Co.,Ltd. Address before: 450000 No. 4, building 70, No. 42, the Yellow River Road, Jinshui District, Henan, Zhengzhou Patentee before: Liu Qi |