CN202230076U - Biological behavior sensor - Google Patents
Biological behavior sensor Download PDFInfo
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- CN202230076U CN202230076U CN2011203904279U CN201120390427U CN202230076U CN 202230076 U CN202230076 U CN 202230076U CN 2011203904279 U CN2011203904279 U CN 2011203904279U CN 201120390427 U CN201120390427 U CN 201120390427U CN 202230076 U CN202230076 U CN 202230076U
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Abstract
The utility model relates to a biological behavior sensor, which is characterized by comprising two cavities connected in series. A partition net is arranged between the two cavities, circular covers are fixedly arranged at outer ends of the two cavities, and a water pipe connector is respectively arranged at the centers of the circular covers. At least one group of electrodes is arranged in each cavity, each group of electrodes is composed of two pairs of electrodes arranged oppositely, one pair of the two pairs is emission electrodes, the other pair is signal receiving electrodes, and the two pairs of electrodes are respectively connected with a water quality online safety early warning system. The biological behavior sensor is applied to the water quality safety online monitoring early warning system to monitor dynamic water. During detection, a tested living body is put into one cavity, no living body is put into the other cavity, signal difference sensed by the two cavities serves as behavior change of the tested living body, effects of external environment are eliminated, behavior change of the tested living body in the environment is monitored in real time to the greatest degree, biological behavior signals of normal frequency and high frequency low strength can be monitored, and detection accuracy is improved.
Description
Technical field
The utility model relates to a kind of sensor that is used for monitoring water environment, especially relates to a kind of biological behavior sensor, is used for water quality safety on-line monitoring early warning system.
Background technology
In order to protect hydrobiont living environment quality and human safety of drinking water healthy, people often adopt the whole bag of tricks that quality of water environment is monitored, to realize the safe early warning to quality of water environment effectively.The biological monitoring of water body is the standard and judgment of reflection quality of water environment situation, and it has reflected that directly quality of water environment changes the influence and the extent of injury to biology, is a kind of directly and the most effectively means that realize the monitoring water environment purpose.
Biological monitoring has following several kinds: one, online bioluminescent detection technology; It has utilized photogen in water quality monitoring, to bring into play the characteristics that intensity of illumination is influenced by environment internal contamination thing; Through the luminous intensity variations of optical sensor monitoring photogen, reaction water quality situation.But photogen intensity receives metabolic influence itself, can not realize the on-line monitoring of water body, can only rely on the interval sampling monitoring, is difficult to the real-time change situation of reflection water quality itself; Two, online camera technique (on-line image analysis) can change through the motor behavior of shooting record biological subject, and according to the behavior variation of biology water quality is carried out on-line evaluation.But the error that this technology exists can strengthen because of the influence of factors such as the transparency of water body, water volume flow rate, illumination; And this technology has only realized the two dimension monitoring to biology, can not change the behavior of biology in solid space and carry out comprehensive evaluation, analysis; Three, many species limnobios monitoring system can overcome the influence of external environment factor pair biological subject, and farthest the behaviouristics of the interior biological subject of monitoring of environmental changes in real time.But this technology can not combine rational biological motion behavior Changing Pattern that the behaviouristics variation of biological subject is analyzed, assessed; Four, water quality safety on line early warning system (water quality on-line warning system) applying biological shows the instinct of avoidance to environmental pressure that laws of motion change and itself have under certain environment pressure, and it can realize that the online three-dimensional of water quality can combine biological motor behavior Changing Pattern that the behaviouristics variation of biological subject is analyzed, assessed again when monitoring.In this system in order to understand the instinct of avoidance of the environmental pressure to external world of analyzing the regular of biological subject motor behavior and itself having; Adopted with biological behavior rule adapt sensor (Biological Behavior biosensor, biological behavior sensor).But the existing biological behavior sensor that uses is subject to external interference in this system when monitoring water quality, and can not monitor the variation of the low intensive biological behavior of high frequency.
Utility application (title: the biological behavior sensor that is used for water quality safety on-line early-warning system; Application number: 200710065436.9) disclose a kind of biological behavior sensor of monitoring water quality safety through the avlidance behavior of detection of biological under certain environment pressure; It adopts single cavity body structure; Its signal of sensing also comprises extraneous signal, like signals such as outside noise, vibrations except biological behavior; And can not detect the signal of the biological behavior of high frequency low-intensity, this just makes water quality monitoring out of true as a result.In addition; Usually adopt plate electrode in the prior biological behavior sensor, kind electrode can not be evenly distributed in the cavity, and the electric field scope is little; This signal that just makes that part is useful and intensity is low, frequency is high can not collect; And this type of signal more can react biological behavior variation in low concentration noxious material environment, and therefore, this has influence on water quality monitoring result's degree of accuracy equally.
The utility model content
The applicant is to above-mentioned problem; Having carried out research improves; A kind of biological behavior sensor is provided; The signal of detection of biological behavior more accurately in the online early warning system of water quality, the motor behavior that can under the situation that does not receive external interference, monitor biological subject changes, and can monitored signal wider.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of biological behavior sensor; The cavity that comprises two series connection; Said cavity is the transparent column pipe, and the internal diameter of two cavitys equates and through being threaded, is provided with the filter of separating two cavitys between two cavitys; The outer end of two cavitys is installed with dome, and the center of said dome is provided with water pipe head; At least one group of electrode is installed in each cavity, and every group of electrode is made up of two pairs of electrodes that are oppositely arranged, and the structure of two pairs of electrodes is consistent, and wherein a pair of is emitting electrode, and another is to being signal-receiving electrode, and two pairs of electrodes are connected with water quality safety on line early warning system respectively.
Further:
Said electrode is a mesh electrode, is circular arc, fits to be installed on the inwall of said cavity.
Said electrode covers the whole said cavity inner wall the space between electrode.
Said electrode is processed by stainless steel.
Said water pipe head is connected with outer water tube, on the water inlet pipe of said outer water tube flowmeter is installed.
The transparent column pipe of said cavity is processed by organic glass, PVC or ABS material.
The diameter of said filter equates with said cavity internal diameter.
Said filter is processed by nylon or tygon.
The biological behavior sensor that the utility model uses is provided with two cavitys; During detection, in two cavitys, put biological subject in the cavity; Do not put in another cavity; The signal difference that such two cavitys are sensed promptly is that the behavior of biological subject changes, and has got rid of the influence of external environment, guarantees accuracy of detection.
In the utility model, the structure of employed two pairs of electrodes is consistent in each cavity, and is wherein a pair of as emitting electrode; Another is to as signal-receiving electrode; Electrode is circular arc, fit to be installed on the inwall of cavity, and electrode covers the whole cavity inner wall the space between electrode; This just makes Electric Field Distribution evenly and more sensitive, and receive frequency is wider.
The principle of the utility model: pair of electrodes connects rect.p. exchange current (this is the electrode that transmits) in each cavity, thereby in pipe, forms a low voltage electric field; Another does not connect the rect.p. exchange current to electrode, but connects signal picker, is induction electrode (this is a signal-receiving electrode).In a cavity, do not put biological subject, after the sensor low voltage electric field changed in this cavity, acknowledge(ment) signal electrode induction field changed, and is designated as E1; In another cavity, put into biological subject, when biological subject after the motion of sensor causes low voltage electric field to change, corresponding therewith acknowledge(ment) signal electrode is experienced the variation of electric field, is designated as E2; E2 and the E1 difference after water quality safety on line early warning system is handled promptly is that the motor behavior of biological subject changes, and this motor behavior is changed analyze then, and according to biological behavioural analysis result, change of water quality is carried out online evaluation.
The biological behavior sensor of the utility model can be selected according to the individual size of biological subject, and keep the quantity of biological subject in the biological behavior sensor be 3-10 only.
The biological subject of in each biological behavior sensor, packing into is the hydrobiont young of 25-70 hour the monitored water source initial species in birth back, in the laboratory, uses conventional standard water to cultivate to evolve at least more than the three generations, uses as biological subject; Or the biological biological young of the underwater sound of 25-70 hour the monitored water source mode standard in birth back, directly use as biological subject.
The biological subject that the utility model adopts is the vertebrate mackerel Medaka fish under the monitored water source mode standard.The mackerel Medaka is subordinate to Medaka section, and is individual little, and total length 2.5-5.0cm can tolerate the water temperature and the salinity range of hanging down dissolved oxygen and broad, and vitality is strong, and disease is few, is easy under laboratory condition, raise and cultivate.Secondary sex characters is obvious, can be through the shape and the more accurate differentiation male and female of color of anal fin and dorsal fin.
The technique effect of the utility model is:
The disclosed a kind of biological behavior sensor of the utility model is used for water quality safety on-line monitoring early warning system, and dynamic flowing water is monitored; Two cavitys are set, during detection, put into biological subject in the cavity; Do not put in another cavity, the signal difference that two cavitys are sensed changes as the behavior of biological subject, has got rid of the influence of external environment; Overcome the influence of external environment factor pair biological subject, farthest the behaviouristics of the interior biological subject of monitoring of environmental changes in real time, not only can monitor the biological behavior signal under the normal frequency; Also can monitor the low intensive biological behavior signal of high frequency, improve and detect degree of accuracy; In addition, the structure of employed two pairs of electrodes is consistent in each cavity, and electrode is circular arc; Applying is installed on the inwall of cavity; And electrode covers the whole cavity inner wall the space except that electrode between, and this just makes evenly and more sensitivity of Electric Field Distribution, and receive frequency is wider.
Description of drawings
Fig. 1 is the three-dimensional cut-away illustration of the utility model.
Fig. 2 is the three-dimensional explosion figure of the utility model.
Fig. 3 utilizes the behavior cycle variation diagram of biological behavior sensor monitors mackerel Medaka fish in normal water body; Horizontal ordinate is exposure duration among the figure, and ordinate is that the intensity of performance of Scomber japonicus Medaka changes.
Fig. 4 is for utilizing behavior change curve in the biological behavior sensor monitors mackerel Medaka fish 24 hours, and horizontal ordinate is exposure duration among the figure, and ordinate is that the intensity of performance of Scomber japonicus Medaka changes.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed explanation.
Like Fig. 1, shown in 2, the utility model comprises the cavity of two series connection, and first cavity 1 and second cavity, 2, the first cavitys 1 and second cavity 2 are the transparent column pipe, can select by organic glass, PVC or ABS made according to the character of monitored water body.The internal diameter of first cavity 1 and second cavity 2 equates and through being threaded; Be provided with filter 3 between two cavitys; Filter 3 is separated into two independently cavitys with first cavity 1 and second cavity 2, and the diameter of filter 3 equates that with first cavity 1 and second cavity, 2 internal diameters filter 3 is fixed through the draw-in groove between first cavity 1 and second cavity 2; Filter 3 is processed by nylon or tygon, and the width of mesh of filter 3 is determined by biological subject.Through screw thread fixed installation dome 4, the center of dome 4 is provided with water pipe head 5 respectively in the outer end of first cavity 1 and second cavity 2.In first cavity 1 and second cavity 2 at least one group of electrode is installed respectively; Every group of electrode is made up of two pairs of electrodes that are oppositely arranged; Wherein a pair of is emitting electrode 6; Another is to being the structure unanimity of 7, two pairs of electrodes of signal-receiving electrode, and emitting electrode 6 and signal-receiving electrode 7 are connected with water quality safety on line early warning system respectively.Emitting electrode 6 and signal-receiving electrode 7 are mesh electrode, are circular arc, fit to be installed on the inwall of first cavity 1 and second cavity 2.In the present embodiment, emitting electrode 6 and signal-receiving electrode 7 are processed whole first cavity 1 and second cavity, 2 inwalls the spaces 8 that a pair of emitting electrode 6 and a pair of signal-receiving electrode 7 cover between electrode by stainless steel.
Present embodiment is used carrying out the process of safety on line early warning and the effect of early warning is elaborated in normal pollution-free water source.As biological subject, the internal diameter that constitutes the transparent column pipe of first cavity 1 and second cavity 2 is 40mm with the mackerel Medaka, and external diameter is 50mm.The electrode that two pairs of stainless steels are made is installed respectively on the inwall of first cavity 1 and second cavity 2; Every pair of electrode is made up of two electrodes that are oppositely arranged, and its electrode size is by being determined by test tube, when the Scomber japonicus Medaka is monitored; It is 50mm that electrode is selected arc length, highly is 70mm.The two pairs of electrodes and water quality safety on line early warning system are with being connected, and wherein a pair of is emitting electrode 6, and another is to being signal-receiving electrode 7; Water pipe head 5 is connected with outer water tube, on the water inlet pipe of outer water tube flowmeter is installed, so that through flowmeter control water inlet and water outlet.Biological behavior sensor is installed in the water quality safety early warning system, and except that the water pipe head 5 at biological behavior sensor two ends, the whole body of biological behavior sensor is for being separated into the closed system of first cavity 1 and second cavity 2 by filter 3.
Use the biological behavior sensor of the utility model; In first cavity 1, do not put and tried object; In second cavity 2, place 4-10 mackerel Medaka fish, (45-50 hour begins to monitor) the behavior cycle in normal water body of monitoring changes, and concrete monitoring experiment is following:
The temperature that this experiment is carried out is controlled at 20 ± 2 ℃, and periodicity of illumination is the natural lighting cycle.Flowing water exposes experiment and maintains 2 days.In the experimentation, the flowing water rate controlled is at 3L/h, and food is thrown something and fed through the flowing water system.Utilize the behavior cycle variation diagram of biological behavior sensor (with reference to figure 1) monitoring mackerel Medaka fish (45-50 hour begins to monitor) in normal water body.As shown in Figure 3, in 2 days flowing water processs of the test, the behaviouristics change list of Scomber japonicus Medaka reveals significantly and changes round the clock, i.e. biological species phenomenon (Biological Clock).Like Fig. 4; It is mackerel Medaka fish behavior change curve in 24 hours; Different curves are represented the behavior reaction of mackerel Medaka fish different frequency, and ordinate is represented the size of each frequency intensity of performance among Fig. 4, and horizontal ordinate is the time; On behalf of the intensity of performance of 10Hz, 5Hz, 2Hz, 1Hz, 0.5Hz frequency, each curve successively change from top to bottom; Obviously joint rate variation is round the clock arranged, and the joint rate variation round the clock of high strength low frequency (10Hz, 5Hz, 2Hz) behavior curve is more obvious, and low-intensity high-frequency (1Hz, 0.5Hz) behavior curve joint rate round the clock changes not obvious.The biological intensity of performance sensor of the utility model can detect the low intensive behavior signal of high frequency; Like frequency is the intensity of performance of 10Hz, as biological behavior mode of motion such as fish gill portion respiratory movements, to pollutant ultra-weak electronic signal such as sensitivity more; And can at utmost reduce the influence of biological circadian rhythm variation to the early warning system operation stability; Utilize this class behavior signal, more stable to reach organism early warning system operation, accurately detect the purpose of low concentration pollutant.
The electric signal mode that the biological behavior sensor that the utility model provided obtains through the multiple spot monitoring shows the behavior variable signal of biological subject; And through analysis and evaluation to signal; Original position (In situ), online (On line) and the online biological monitoring of (Real time) have in real time been realized; And can pollute the unknown of water body and carry out early warning, pollute for research environment, especially sudden, violent accident property variation has very important indicative function.In addition the utility model carry out water quality early-warning input seldom, do not need the professional to operate, take limited manpower, physics, the maintenance cost during the water quality early-warning is extremely low.
Claims (8)
1. biological behavior sensor; It is characterized in that: the cavity that comprises two series connection; Said cavity is the transparent column pipe, and the internal diameter of two cavitys equates and through being threaded, is provided with the filter of separating two cavitys between two cavitys; The outer end of two cavitys is installed with dome, and the center of said dome is provided with water pipe head; At least one group of electrode is installed in each cavity, and every group of electrode is made up of two pairs of electrodes that are oppositely arranged, and the structure of two pairs of electrodes is consistent, and wherein a pair of is emitting electrode, and another is to being signal-receiving electrode, and two pairs of electrodes are connected with water quality safety on line early warning system respectively.
2. according to the described biological behavior sensor of claim 1, it is characterized in that: said electrode is a mesh electrode, is circular arc, fits to be installed on the inwall of said cavity.
3. according to the described biological behavior sensor of claim 2, it is characterized in that: said electrode covers the whole said cavity inner wall the space between electrode.
4. according to each described biological behavior sensor of claim 1 to 3, it is characterized in that: said electrode is processed by stainless steel.
5. according to the described biological behavior sensor of claim 1, it is characterized in that: said water pipe head is connected with outer water tube, on the water inlet pipe of said outer water tube flowmeter is installed.
6. according to the described biological behavior sensor of claim 1, it is characterized in that: the transparent column pipe of said cavity is processed by organic glass, PVC or ABS material.
7. according to the described biological behavior sensor of claim 1, it is characterized in that: the diameter of said filter equates with said cavity internal diameter.
8. according to claim 1 or 7 described biological behavior sensors, it is characterized in that: said filter is processed by nylon or tygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203904279U CN202230076U (en) | 2011-10-14 | 2011-10-14 | Biological behavior sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203904279U CN202230076U (en) | 2011-10-14 | 2011-10-14 | Biological behavior sensor |
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| Publication Number | Publication Date |
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| CN202230076U true CN202230076U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203904279U Expired - Fee Related CN202230076U (en) | 2011-10-14 | 2011-10-14 | Biological behavior sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353757A (en) * | 2011-10-14 | 2012-02-15 | 无锡中科水质环境技术有限公司 | Biological behavior biosensor |
| CN107064445A (en) * | 2017-04-06 | 2017-08-18 | 无锡中科水质环境技术有限公司 | A kind of online water quality early-warning monitoring system and method for utilization aquatile avlidance behavior reaction monitoring change of water quality |
| CN110187073A (en) * | 2019-06-06 | 2019-08-30 | 上海蓝魂环保科技有限公司 | Ship tail gas processing polycyclic aromatic hydrocarbon sampling detecting device |
-
2011
- 2011-10-14 CN CN2011203904279U patent/CN202230076U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353757A (en) * | 2011-10-14 | 2012-02-15 | 无锡中科水质环境技术有限公司 | Biological behavior biosensor |
| CN102353757B (en) * | 2011-10-14 | 2014-04-30 | 无锡中科水质环境技术有限公司 | Biological behavior biosensor |
| CN107064445A (en) * | 2017-04-06 | 2017-08-18 | 无锡中科水质环境技术有限公司 | A kind of online water quality early-warning monitoring system and method for utilization aquatile avlidance behavior reaction monitoring change of water quality |
| CN110187073A (en) * | 2019-06-06 | 2019-08-30 | 上海蓝魂环保科技有限公司 | Ship tail gas processing polycyclic aromatic hydrocarbon sampling detecting device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20191014 |