CN207516245U - Microorganism in Water detection device - Google Patents
Microorganism in Water detection device Download PDFInfo
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- CN207516245U CN207516245U CN201721504523.5U CN201721504523U CN207516245U CN 207516245 U CN207516245 U CN 207516245U CN 201721504523 U CN201721504523 U CN 201721504523U CN 207516245 U CN207516245 U CN 207516245U
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- China
- Prior art keywords
- communication port
- test chamber
- microorganism
- detector ontology
- water
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Abstract
A kind of Microorganism in Water detection device, for the microorganism detection in water sample, including detector ontology, detection unit and heating unit.Test chamber is provided in the detector ontology.The detector ontology is provided with the first communication port and the second communication port.First communication port is located at the top of the detector ontology, to make the liquid being filled with by the second communication port in told test chamber, can empty the gas in the test chamber by the first communication port, and can be overflowed by the first communication port.Second communication port is located at the bottom of the detector ontology, with allow it to by the test chamber liquid empty.Filter element is installed, the filter element is connected with second communication port, to stop that microorganism is discharged by the second communication port in the test chamber.Detector bodies top sets the first communication port, air can be emptied, making the liquid being filled with, liquid flow, which goes out to generate negative pressure, sucks water sample full of test chamber, so that two communication ports on detector ontology can be directly connected to pipeline, the online real-time automatic detection of microorganism is realized.
Description
Technical field
The utility model belongs to field of water quality detection more particularly to a kind of Microorganism in Water detection device.
Background technology
In recent years, the microorganisms in water such as China's surface water, underground water, river water, drinking water pollution getting worse, and wherein drink
It is most direct with influence of the water Microorganism in Water pollution for the mankind, the outburst of the extensive state of an illness can be caused, human body is seriously endangered and be good for
Health.China《GB5749-2006 standards for drinking water quality》Total coli group, heat-resisting large intestine in middle regulation microbiological indicator
It must not be detected in the every MPN/100mL of flora, escherichia coli, total plate count is no more than 100 per CFU/mL.
At present, China's microorganism detection is applied to traditional national standard such as test in laboratory, MTF method, filter membrane method mostly
Method is cumbersome, detection cycle is long, of high cost, efficiency is low based on manual operation, can not meet China's Microorganism in Water
The demand of on-line checking.The microorganism on-line checking instrument based on enzyme-substrate method also achieves certain development at this stage, can be real
The automatic detection of existing microorganism, but for the low concentrations such as drinking water, urban water supply water sample detection, there are accuracy of detection is low, accuracy
The problems such as not high, can not realize the requirement of the online real time automatic detection of low concentration microorganism.
Utility model content
The utility model proposes one for the technical issues of above-mentioned existing detection device accuracy of detection is low, accuracy is not high
Kind can carry out low concentration water sample the Microorganism in Water detection device of High Precision Automatic detection.
In order to achieve the above object, the technical solution adopted in the utility model is：
A kind of Microorganism in Water detection device, for the microorganism detection in water sample, including detector ontology, detecting list
Member and heating unit.Test chamber is provided in the detector ontology.The detector ontology is provided with the first communication port, to
Water sample is filled with into the test chamber；The detector ontology is provided with the second communication port, to be filled with into the test chamber
Liquid discharges the liquid in the test chamber.
First communication port is located at the top of the detector ontology, and inspection is told to make to be filled with by the second communication port
The liquid of intracavitary is surveyed, the gas in the test chamber can be emptied by the first communication port, and the first communication port can be passed through
It overflows.Second communication port is located at the bottom of the detector ontology, with allowing it to the liquid in the test chamber
It empties.
Filter element is installed, the filter element is connected with second communication port, to stop in the test chamber
Microorganism is discharged by the second communication port.
The detection unit includes the photoelectric sensor being mounted on detector ontology, to detect in the test chamber
Microorganism.The heating unit is the heater on detector ontology, to be heated to test chamber.
Preferably, the detector ontology is provided with third connecting mouth, to be filled with into the test chamber liquid or
Discharge waste.
Preferably, first communication port is connected with the top of the test chamber, at the top of the test chamber it is interior without leave
Upper and lower gradual increase.
Preferably, the filter element is tubular and vertically arranged filter membrane, described filter membrane one end is connected with second
Mouth is connected, other end sealing.
Preferably, the filter element is rod-shaped and vertically arranged ceramic membrane, described ceramic membrane one end and second
Communication port is connected, other end sealing.
Preferably, first communication port is connected with triple valve by pipeline, the normally open end of the triple valve setting and
Normal-closed end respectively with air and the sample storage container of water sample can be held being connected, making the first communication port being connected with air and
It is switched between being connected with sample storage container.
Compared with prior art, it is the advantages of the utility model with good effect：
1st, detector bodies top sets the first communication port, can empty air, and the liquid being filled with is made to be full of test chamber,
Liquid flow, which goes out to generate negative pressure, sucks water sample, so that two communication ports on detector ontology can be directly connected to pipeline, realizes
The online real-time automatic detection of microorganism.Second communication port is located at bottom, can by emptying rate of liquid in test chamber, avoid into
During row microorganism detection, the concentration of solution is impacted, ensures the accuracy and precision of the detection of zymolyte method.
2nd, the third connecting mouth of setting, can avoid the hydraulic shock filter element being filled with, so as to prevent filter element from damaging
It is bad, microorganism is avoided to leak, ensures the accuracy of detection.Third connecting mouth enables test chamber to carry out disinfection and clean, will be clear
The waste washed and generated when sterilizing is completely exhausted out, it is avoided to stay in test chamber, is polluted, and blocks filter element.
3rd, filter element is rod-shaped or rodlike, increases its contact area with liquid, improves transmission area, avoid
It blocks, ensure that the fluency that liquid is flowed through and discharged.Water sample is by negative-pressure adsorption, when avoiding the water sample from entering in test chamber, hair
It gives birth to fall to spread and splash, while filter element is vertically arranged, water sample is made to enter in test chamber and the second connection is flowed to by the first communication port
During mouth discharge, the microorganism in water sample can adequately contact with filter element, enable microorganism more fully quilt
It filters out.
4th, the first communication port connection triple valve carries out the switching that air is connected with water sample, improves microorganism detection oneself
Dynamicization.
5th, it before microorganism detection, first carries out disinfection and cleans, other microorganisms and impurity is avoided to remain in test chamber, it is right
The detection of microorganism impacts in water sample, ensures the accuracy of detection.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of this Microorganism in Water detection device；
In above each figure：1st, detector ontology；1.1st, test chamber；2nd, detection unit；2.1st, photoelectric sensor；3rd, heating is single
Member；3.1st, heater；4.1st, the first communication port；4.2nd, the second communication port；4.3rd, third connecting mouth；5th, filter element；5.1st, it filters
Film；5.2nd, ceramic membrane；6th, triple valve；6.1st, normally open end；6.2nd, normal-closed end；7th, sample storage container.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be noted that term " interior ", " outer ", " on ", " under ", "front", "rear" etc.
The orientation or position relationship of instruction are based on position relationship shown in the drawings, are for only for ease of description the utility model and simplification
Description rather than instruction imply that signified device or element must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second ", " third " are only used for description mesh
, and it is not intended that instruction or hint relative importance.
As shown in Figure 1, Microorganism in Water detection device, for the microorganism detection in water sample, including detector ontology
1st, detection unit 2 and heating unit 3.
Test chamber 1.1 is provided in detector ontology 1.
Detector ontology 1 is provided with the first communication port 4.1, to be filled with water sample into test chamber 1.1.Detector ontology 1
The second communication port 4.2 is provided with, to be filled with liquid into test chamber 1.1 or discharge the liquid in test chamber 1.1.
First communication port 4.1 is located at the top of detector ontology 1, and inspection is told to make to be filled with by the second communication port 4.2
The liquid in chamber 1.1 is surveyed, the gas in test chamber 1.1 can be emptied by the first communication port 4.1, and can be connected by first
Port 4.1 overflows.
Second communication port 4.2 is located at the bottom of detector ontology 1, with allow it to by test chamber 1.1 liquid arrange
Only.
Connector is respectively mounted, and pass through connector connecting line in first communication port 4.1 and the second communication port 4.2, makes test chamber
1.1 the disengaging of middle liquid can automate progress.
Filter element 5 is installed, filter element 5 is connected with the second communication port 4.2, to stop micro- life in test chamber 1.1
Object is discharged by the second communication port 4.2.
Detection unit 2 includes the photoelectric sensor 2.1 being mounted on detector ontology 1, to detect in test chamber 1.1
Microorganism.Photoelectric sensor 2.1 includes light source and receiver, and the light that light source is launched is set by detector ontology side
Observation window, be injected into test chamber 1.1, then by detector ontology opposite side setting observation window project, finally by receiver
It receives.
Heating unit 3 is the heater 3.1 on detector ontology 1, to be heated to test chamber 1.1.
When carrying out microorganism detection to the water sample of acquisition, water-filling first is carried out to test chamber 1.1.It is logical in the second communication port 4.2
It crosses in the second delivery pipe of connector connection and delivery pump is installed.Using the pumping of delivery pump, by the second communication port 4.2 to test chamber
Injection sterile water in 1.1.Sterile water is injected by the second communication port 4.2, and the gas in test chamber 1.1 passes through the first communication port
4.1 discharge.
Sterile water continues through the second communication port 4.2 and is filled into test chamber 1.1, until sterile water is full of test chamber 1.1,
And pass through the first communication port 4.1 and overflow, gas in test chamber 1.1 is emptied, sterile water is made to fully take up test chamber 1.1 and first
Communication port 4.1.
The water sample of acquisition is held in sample storage container 7, the first delivery pipe that the first communication port 4.1 is connected by connector
Sample storage container 7 is connected, the first delivery pipe is extend into water sample.The second communication port 4.2 is opened, makes the nothing in the second communication port 4.2
Bacterium water is freely discharged from test chamber 1.1, can also pass through the second delivery pipe and conveying pumped.Due to being full of test chamber 1.1
Sterile water is discharged by the second communication port 4.2, and negative pressure is formed in test chamber 1.1.
Due to forming negative pressure, under the action of 1.1 inside and outside differential pressure of test chamber, the water sample in sample storage container 7 in test chamber 1.1
It is inhaled into test chamber 1.1 by the first communication port 4.1.
Into the water sample in test chamber 1.1 by filter element 5, by microbiological interception therein in test chamber 1.1
It on filter element 5, is then discharged by the second communication port 4.2, until test chamber 1.1 empties.
Dissolving reaction is carried out to microorganism, sterile water is injected into test chamber 1.1 by the second communication port 4.2 and experiment tries
Microorganism on filter element 5 is added in the sterile water and test reagent of injection by agent, forms detection solution.
After liquid in test chamber 1.1 is heated to set temperature by heater 3.1, trying microorganism in detection solution
It tests under the action of reagent and fully cultivates, detection solution is made to become yellow or sends out fluorescence according to zymolyte method principle.Due to water
The microorganism of sample detection is mainly coliform, and the set temperature of heating can be 36.5 DEG C, to carry out total coli group
It carries out；The set temperature of heating may be 44.5 DEG C, to carry out the detection of heat-resisting coliform, escherichia coli.
Then start photoelectric sensor 2.1, the light of light source transmitting passes through the detection solution in test chamber, and receiver measures
Light intensity in across test chamber 1.1 after detection solution.
According to the light intensity that measures, founding mathematical models obtain the quantity of microorganism in water sample.
In order to ensure the accuracy of testing result, before water-filling is carried out to test chamber 1.1, first test chamber 1.1 is carried out
Cleaning and disinfection.
By the second communication port 4.2, third connecting mouth 4.3 or both simultaneously, thimerosal is injected into test chamber 1.1,
Until thimerosal is overflowed full of test chamber 1.1 and from the first communication port 4.1.Thimerosal to each position in test chamber 1.1 into
Then row sterilizing opens third connecting mouth 4.3 and empties the thimerosal in test chamber 1.1.
Again by the second communication port 4.2, third connecting mouth 4.3 or both simultaneously, it is injected into test chamber 1.1 sterile
Water, until sterile water is overflowed full of test chamber 1.1 and from the first communication port 4.1.Third connecting mouth 4.3 is opened by test chamber 1.1
Interior sterile water emptying.
While thimerosal and sterile water are discharged by third connecting mouth 4.3, the waste in test chamber 1.1 is also arranged therewith
Go out.
Sterile water be filled with and empty it is repeated multiple times, so that test chamber 1.1 is rinsed well, without micro- life in test chamber 1.1
Object remains, and is also remained without thimerosal, avoids the microorganism error detected excessive, ensure the accuracy of water sample detection.
Since filter element 5 is mounted in the second communication port 4.2, it is filled with by the second communication port 4.2 into test chamber 1.1
Liquid, filter element 5 can form resistance, while the liquid being filled with can also wash away filter element 5, be easy to cause to being filled with for liquid
The damage of filter element 5.
In order to which liquid smoothness is made to be filled with test chamber 1.1, while the risk of the damage of filter element 5 is reduced, detector ontology 1 is set
The third connecting mouth 4.3 put when carrying out water-filling to test chamber 1.1, can change from third connecting mouth 4.3 and be filled with into test chamber 1.1
Sterile water.
In order to ensure that test chamber 1.1 can be full of by being filled with for sterile water, the top of the first communication port 4.1 and test chamber 1.1
End is connected, and the internal diameter at 1.1 top of test chamber gradually increases from top to bottom, makes 1.1 top of test chamber without dead angle, test chamber 1.1
Interior gas can be discharged all, and the sterile water being filled with can be full of whole spaces in test chamber 1.1.
In order to which filter element 5 is enable more fully to be contacted with the microorganism in water sample, tubular can be used in filter element 5
And vertically arranged filter membrane 5.1,5.1 one end of filter membrane are connected with the second communication port 4.2, other end sealing, filter element 5 can also be adopted
With rod-shaped and vertically arranged ceramic membrane 5.2,5.2 one end of ceramic membrane is connected with the second communication port 4.2, other end sealing.Ceramics
The section of film 5.2 is cellular, has numerous holes, can flow liquid through, and stops microorganism and pass through.
Tubular or rod-shaped filter element 5, one end connect the second communication port 4.2 close to the first communication port 4.1, the other end.
And water sample then enters test chamber 1.1 by the first communication port 4.1, is then discharged by the second communication port 4.2, flow direction and filter house
The axial direction of part 5 is close, lasting to be contacted with filter element 5 during water sample flows in test chamber 1.1, passes through water sample
After filter element 5, the microorganism in water sample is stayed on filter element 5, and can on filter element 5 dispersed distribution, avoid micro-
Biogenic accumulation blocks filter opening.
Simultaneously rod-shaped or tubular filter element 5 increase surface area, so as to increase liquid by efficiency, make water sample
It is discharged from test chamber 1.1 with sterile water more smooth.
In order to be switched between carrying out water-filling to test chamber 1.1 and water sample is sucked the two steps, the first connection
Mouthfuls 4.1 by being connected with triple valve 6, and normally open end 6.1 that triple valve 6 is set and normal-closed end 6.2 are respectively with that air and can hold
The sample storage container 7 of water sample is connected, to make the first communication port 4.1 between being connected with air and being connected with sample storage container 7
It switches over.
When carrying out being full of sterile water to test chamber 1.1, the first communication port 4.1 is connected with the normally open end 6.1 of triple valve 6
It is logical, so as to connect air, the gas in test chamber 1.1 is discharged.When 1.1 draining of test chamber generates negative pressure, triple valve 6 is operated
Its normal-closed end 6.2 is opened, simultaneously closes off normally open end 6.1, the first communication port 4.1 is connected with the normal-closed end 6.2 of triple valve 6
It is logical, so as to connect water sample, water sample is drawn into test chamber 1.1, realizes the automation of Microorganism in Water detection device operation.
Claims (6)
1. a kind of Microorganism in Water detection device, for the microorganism detection in water sample, which is characterized in that including detector sheet
Body (1), detection unit (2) and heating unit (3)；
Test chamber (1.1) is provided in the detector ontology (1)；
The detector ontology (1) is provided with the first communication port (4.1), to be filled with water sample into the test chamber (1.1)；Institute
It states detector ontology (1) and is provided with the second communication port (4.2), to be filled with liquid or by described in the test chamber (1.1) is interior
Liquid discharge in test chamber (1.1)；
First communication port (4.1) is positioned at the top of the detector ontology (1), to make through the second communication port (4.2)
Gas in the test chamber (1.1) can be passed through the first communication port (4.1) by the liquid being filled in told test chamber (1.1)
Emptying, and can be overflowed by the first communication port (4.1)；
Second communication port (4.2) is positioned at the bottom of the detector ontology (1), with allowing it to the test chamber
(1.1) liquid in empties；
Filter element (5), the filter element (5) and the second communication port (4.2) phase are installed in the test chamber (1.1)
Connect, discharged to stop that microorganism passes through the second communication port (4.2)；
The detection unit (2) includes the photoelectric sensor (2.1) that is mounted on detector ontology (1), to detect the inspection
Survey the microorganism in chamber (1.1)；
The heating unit (3) is the heater (3.1) on detector ontology (1), to be carried out to test chamber (1.1)
Heating.
2. Microorganism in Water detection device according to claim 1, which is characterized in that detector ontology (1) setting
There is third connecting mouth (4.3), to be filled with liquid into the test chamber (1.1) or exclude waste.
3. Microorganism in Water detection device according to claim 1, which is characterized in that first communication port (4.1) with
The top of the test chamber (1.1) is connected, and the internal diameter at the top of the test chamber (1.1) gradually increases from top to bottom.
4. Microorganism in Water detection device according to claim 1, which is characterized in that the filter element (5) is cylinder
Shape and vertically arranged filter membrane (5.1), described filter membrane (5.1) one end are connected with the second communication port (4.2), other end sealing.
5. Microorganism in Water detection device according to claim 1, which is characterized in that the filter element (5) is bar
Shape and vertically arranged ceramic membrane (5.2), described ceramic membrane (5.2) one end are connected with the second communication port (4.2), and the other end is close
Envelope.
6. Microorganism in Water detection device according to claim 1, which is characterized in that first communication port (4.1) is logical
Cross pipeline and be connected with triple valve (6), the normally open end (6.1) of triple valve (6) setting and normal-closed end (6.2) respectively with air and
Can hold water sample sample storage container (7) be connected, to make the first communication port (4.1) be connected with air and with sample storage container
(7) it is switched between being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504523.5U CN207516245U (en) | 2017-11-13 | 2017-11-13 | Microorganism in Water detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721504523.5U CN207516245U (en) | 2017-11-13 | 2017-11-13 | Microorganism in Water detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516245U true CN207516245U (en) | 2018-06-19 |
Family
ID=62537476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721504523.5U Withdrawn - After Issue CN207516245U (en) | 2017-11-13 | 2017-11-13 | Microorganism in Water detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207516245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782708A (en) * | 2017-11-13 | 2018-03-09 | 青岛佳明测控科技股份有限公司 | Microorganism in Water detection means and detection method |
-
2017
- 2017-11-13 CN CN201721504523.5U patent/CN207516245U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782708A (en) * | 2017-11-13 | 2018-03-09 | 青岛佳明测控科技股份有限公司 | Microorganism in Water detection means and detection method |
| CN107782708B (en) * | 2017-11-13 | 2023-10-13 | 青岛佳明测控科技股份有限公司 | Water quality microorganism detection device and detection method |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180619 Effective date of abandoning: 20231013 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180619 Effective date of abandoning: 20231013 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |