CN207754350U - Daphnia magna culture collection device - Google Patents
Daphnia magna culture collection device Download PDFInfo
- Publication number
- CN207754350U CN207754350U CN201820068285.6U CN201820068285U CN207754350U CN 207754350 U CN207754350 U CN 207754350U CN 201820068285 U CN201820068285 U CN 201820068285U CN 207754350 U CN207754350 U CN 207754350U
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- China
- Prior art keywords
- daphnia magna
- collection device
- culture collection
- suction
- culture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a kind of Daphnia magna culture collection devices, including：Culture pond and the suction partition board being arranged in culture pond, culture pond is separated into two parts in culture zone and flow channel by the suction partition board, the both ends of flow channel both ends difference one curved channel of unicom, upstream one end of the flow channel fluid is equipped with pump machine, downstream one end is equipped with mesh bag, and the pump machine is arranged at the mesh bag in the curved channel；The suction partition board is equipped with the suction cylinder of several funnel structures, and the suction cylinder includes interconnected horn body and tube body, and the horn body is located at the culture zone side, and the tube body is located at the flow channel side, lamps and lanterns are provided on the horn body.
Description
Technical field
The utility model is related to a kind of Daphnia magna cultural technique more particularly to a kind of Daphnia magna culture collection devices.
Background technology
Daphnia magna habitat is in water plant eutrophy type small water in great numbers, such as pond, puddle, intermittent ponding and small
Type lake etc..Also it can move in the higher water of salt content.Daphnia magna carries out the research of Pesticide environment safety evaluatio extensively,
It has a wide range of applications in pesticide toxicological test.Laboratory is bigger for the demand of Daphnia magna.And outdoor acquisition Daphnia magna
It is cumbersome, while the Daphnia magna of outdoor acquisition has there are larger individual difference, and the parallel test in laboratory can be caused to count
According to interference, systematic error is bigger, it is therefore desirable to carry out cultivation and the collection work of Daphnia magna in laboratory.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of Daphnia magna culture collection device.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of Daphnia magna culture collection device, packet
It includes：Culture pond is separated into culture zone and flowing by culture pond and the suction partition board being arranged in culture pond, the suction partition board
Two, channel part, the both ends of flow channel both ends difference one curved channel of unicom, the upstream of the flow channel fluid
One end is equipped with pump machine, and downstream one end is equipped with mesh bag, and the pump machine is arranged at the mesh bag in the curved channel；The pumping
The suction cylinder that partition board is equipped with several funnel structures is inhaled, the suction cylinder includes interconnected horn body and tube body, described
Horn body is located at the culture zone side, and the tube body is located at the flow channel side, lamps and lanterns are provided on the horn body.
In one preferred embodiment of the utility model, several described suction cylinders are fixed on a substrate according to matrix structure
On.
In one preferred embodiment of the utility model, seal chamber is collectively constituted between adjacent horn body and the substrate
Body, the lamp installation is in the cavity.
In one preferred embodiment of the utility model, the horn body is made of transparent material.
In one preferred embodiment of the utility model, the sack of the mesh bag is detachably mounted to the curved channel
On inner wall, the mesh bag depth dimensions of itself are more than or equal to a quarter of the curved channel circumferential lengths size.
In one preferred embodiment of the utility model, the suction cylinder exists the culture zone and the flow channel unicom
Together.
In one preferred embodiment of the utility model, a grid is equipped in the culture zone, the grid is close to described
Aspirate partition board.
Being launched in one preferred embodiment of the utility model, in the culture zone has raising tennis, and the grid can incite somebody to action
Suction partition board is separated with the raising tennis.
Being launched in one preferred embodiment of the utility model, in the culture zone has raising tennis, the raising tennis packet
A screen cloth is included, feed and floating ball are enclosed in the screen cloth.
In one preferred embodiment of the utility model, cable is provided on the tennis.
The utility model solves defect present in background technology, and the utility model has following advantageous effect：
(1) it will be cultivated with collected at suction conjunction on the same device by aspirating partition board, flow channel and curved channel shape
The circular passage being closed at one is acted on by the water pumping of pump machine, the water in circular passage is allow to be formed according to certain speed
Annularly flow, water will form the hydraulic pressure pressure difference of suction partition board both sides, cause water from horn body in flowing in flow channel
Side flows to tube body side (fluid Bernoulli equation, water flow velocity is bigger, and the hydraulic pressure inside water is smaller), can will cultivate in this way
Daphnia magna in area is drawn into flow channel and is sent into mesh bag by flow and is collected.
(2) mesh bag has the length in certain depth direction, and the discharge area of such mesh bag is bigger, water past resistance thoroughly
It can reduce, not interfere with the speed that water circulation flows in curved channel in this way.
(3) suction cylinder aspirated on partition board can be with the structure mobile phone Daphnia magna of funnel, and is sent to flowing by tube body
In channel, so as to subsequent flow collection work, funnel structure can cause water velocity to reach maximum in tube body, prevent big
Type Magna is adherent to be caused to collect difficulty.
(4) lamps and lanterns are set in the cavity that is formed between horn body and substrate, and the light of lamps and lanterns can be with through transparent horn body
The effect for luring Daphnia magna close is played, to be enriched with Daphnia magna at suction cylinder in advance.The cavity of sealing can be to a certain degree
Play waterproof action.
(5) mode for formula nursing Daphnia magna of being originally scattered is changed to the nursing of constraint formula, such excrement, algae by raising tennis
Equal feeds can be by intensive in screen cloth, and the water quality in culture pond can be controlled to a certain degree, will not be completely muddy, changes water
Number can greatly reduce.
(6) Daphnia magna is bunched centered on each raising tennis, and will raise tennis by cable takes out, can be in raising net
Ball surface tentatively collects Daphnia magna, plays the role of tentatively collecting.After taking out raising tennis additionally by cable, lamp is then turned on
Tool makes it shine, and Daphnia magna loses luring for main raising tennis at this time, due to its phototaxis, can swim at partition board to aspirating
Enrichment.
(7) floating ball is mixed in raising tennis, the buoyancy of raising tennis on the whole can be made moderate, ensure that raising tennis can
It suspends in water, ensures that raising tennis is uniformly distributed in culture pond.
(8) pump machine may be used the mode that interval starts and constantly drive water flowing in flow channel, interval mobile phone large size
Magna.By remove mesh bag can will collect Daphnia magna in mesh bag shift it is spare.
(9) grid will raise tennis and be isolated with partition board is aspirated, while it is intensive in ball by feed to raise tennis, such feed
Equal solids will not block tube body, and suction operation can be smoothed out for a long time.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples；
Fig. 1 is the top plan view of the preferred embodiment of the utility model；
Fig. 2 is the side cutaway view of the preferred embodiment of the utility model；
In figure：1, culture pond；2, culture zone；3, flow channel；4, curved channel；5, pump machine；6, mesh bag；7, substrate；8、
Suction cylinder；9, horn body；10, lamps and lanterns；11, tube body；12, grid；13, tennis is raised；14, cable；15, spillway basin.
Specific implementation mode
The utility model is described in further detail presently in connection with drawings and examples, these attached drawings are simplified
Schematic diagram only illustrates the basic structure of the utility model in a schematic way, therefore it only shows structure related with the utility model
At.
As depicted in figs. 1 and 2, a kind of Daphnia magna culture collection device, including：Culture pond 1 and setting are in culture pond 1
Suction partition board, culture pond 1 is separated into 3 two parts in culture zone 2 and flow channel by suction partition board, 3 both ends of flow channel point
The upstream one end at the both ends of one curved channel 4 of other unicom, 3 fluid of flow channel is equipped with pump machine 5, and downstream one end is equipped with mesh bag 6, pump
Machine 5 is arranged at mesh bag 6 in curved channel 4；The suction cylinder 8 that partition board is equipped with several funnel structures is aspirated, suction cylinder 8 wraps
Interconnected horn body 9 and tube body 11 are included, horn body 9 is located at 2 side of culture zone, and tube body 11 is located at 3 side of flow channel, loudspeaker
Lamps and lanterns 10 are provided on body 9.
It will be cultivated with collected at suction conjunction on the same device by aspirating partition board, flow channel 3 and the formation of curved channel 4
The circular passage of one closure is acted on by the water pumping of pump machine 5, the water in circular passage is allow to be formed according to certain speed
Annularly flow, water will form the hydraulic pressure pressure difference of suction partition board both sides, cause water from horn body 9 in flowing in flow channel 3
Side flows to 11 side of tube body (fluid Bernoulli equation, water flow velocity is bigger, and the hydraulic pressure inside water is smaller), can rest in this way
The Daphnia magna in area 2 is grown to be drawn into flow channel 3 and be collected in flow feeding mesh bag 6.
Several suction cylinders 8 are fixed on according to matrix structure on a substrate 7, common between adjacent horn body 9 and substrate 7
Seal cavity is formed, lamps and lanterns 10 are installed in the cavity, and horn body 9 is made of transparent material.Daphnia magna is with each raising tennis 13
Centered on bunch, taken out by cable 14 by tennis 13 is raised, can tentatively collect Daphnia magna on raising tennis 13 surface, play
The effect tentatively collected.After taking out raising tennis 13 additionally by cable 14, then opening lamps and lanterns 10 makes it shine, large-scale at this time
Magna loses main raising tennis 13 and lures, can be to the enrichment of swimming at suction partition board due to its phototaxis.Horn body 9 and base
Lamps and lanterns 10 are set in the cavity formed between plate 7, and the light of lamps and lanterns 10 can be played through transparent horn body 9 lures Daphnia magna to lean on
Close effect, to be enriched with Daphnia magna at suction cylinder 8 in advance.The cavity of sealing can play waterproof action to a certain degree.
The sack of mesh bag 6 is detachably mounted on the inner wall of curved channel 4, and the depth dimensions of itself of mesh bag 6 are more than etc.
In a quarter of 4 circumferential lengths size of curved channel.Mesh bag 6 has the length in certain depth direction, and such mesh bag 6 crosses water
Area is bigger, and past resistance can reduce water thoroughly, does not interfere with the speed that water circulation flows in curved channel 4 in this way.
Suction cylinder 8 is by culture zone 2 together with 3 unicom of flow channel.The suction cylinder 8 aspirated on partition board can be with funnel
Structure mobile phone Daphnia magna, and be sent in flow channel 3 by tube body 11, so as to subsequent flow collection work, funnel structure
Water velocity can be caused to reach maximum in tube body 11, prevent Daphnia magna is adherent from causing to collect difficulty.
A grid 12 is equipped in culture zone 2, grid 12 is close to suction partition board.
Being launched in culture zone 2 has raising tennis 13, and grid 12 can separate suction partition board and raising tennis 13.Grid
12 raising tennis 13 is isolated with partition board is aspirated, while it is intensive in ball by feed to raise tennis 13, the solids such as such feed
Tube body 11 will not be blocked, suction operation can be smoothed out for a long time.
It includes a screen cloth that dispensing, which has raising tennis 13, raising tennis 13, in culture zone 2, and feed is enclosed in screen cloth and is floated
Ball.It raises and mixes floating ball in tennis 13, the buoyancy of raising tennis 13 on the whole can be made moderate, ensure that raising tennis 13 can hang
It floats in water, ensures that raising tennis 13 is uniformly distributed in culture pond 1.
Cable 14 is provided on tennis.The mode that formula of being originally scattered is fed Daphnia magna by raising tennis 13 is changed to constraint formula
It feeds, the feeds such as such excrement, algae can be by intensive in screen cloth, and the water quality in culture pond 1 can be controlled to a certain degree
System, will not be completely muddy, and changing waterside number can greatly reduce.
Pump machine 5 may be used the mode that interval starts and constantly drive water flowing in flow channel 3, interval mobile phone large size
Magna.By remove mesh bag 6 can will collect Daphnia magna in mesh bag 6 shift it is spare.
The middle part that curved channel 4 is surrounded with flow channel 3 is spillway basin, can keep in some and overflow from curved channel 4
The water gone out.
It is above enlightenment according to the desirable embodiment of the utility model, through the above description, related personnel is complete
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought.This item utility model
Technical scope be not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of Daphnia magna culture collection device, including：Culture pond and the suction partition board being arranged in culture pond, feature exist
In culture pond is separated into two parts in culture zone and flow channel by the suction partition board, and the flow channel both ends join respectively
The upstream one end at the both ends of a logical curved channel, the flow channel fluid is equipped with pump machine, and downstream one end is equipped with mesh bag, the pump
Machine is arranged at the mesh bag in the curved channel；The suction partition board is equipped with the suction cylinder of several funnel structures,
The suction cylinder includes interconnected horn body and tube body, and the horn body is located at the culture zone side, the tube body position
In the flow channel side, lamps and lanterns are provided on the horn body.
2. a kind of Daphnia magna culture collection device according to claim 1, it is characterised in that：Several described suction cylinders are pressed
It is fixed on a substrate according to matrix structure.
3. a kind of Daphnia magna culture collection device according to claim 2, it is characterised in that：Adjacent horn body with it is described
Seal cavity is collectively constituted between substrate, the lamp installation is in the cavity.
4. a kind of Daphnia magna culture collection device according to claim 2 or 3, it is characterised in that：The horn body is
Bright material is made.
5. a kind of Daphnia magna culture collection device according to claim 1, it is characterised in that：The sack of the mesh bag is removable
That unloads is fixed on the inner wall of the curved channel, and it is circumferential that the mesh bag depth dimensions of itself are more than or equal to the curved channel
The a quarter of length dimension.
6. a kind of Daphnia magna culture collection device according to claim 1, it is characterised in that：The suction cylinder is supported described
Area is grown together with the flow channel unicom.
7. a kind of Daphnia magna culture collection device according to claim 1, it is characterised in that：It is equipped in the culture zone
One grid, the grid is close to the suction partition board.
8. a kind of Daphnia magna culture collection device according to claim 7, it is characterised in that：Being launched in the culture zone has
Tennis is raised, the grid can separate suction partition board with the raising tennis.
9. a kind of Daphnia magna culture collection device according to claim 1 or claim 7, it is characterised in that：It is thrown in the culture zone
It is placed with raising tennis, the raising tennis includes a screen cloth, and feed and floating ball are enclosed in the screen cloth.
10. a kind of Daphnia magna culture collection device according to claim 9, it is characterised in that：It is provided on the tennis
Cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068285.6U CN207754350U (en) | 2018-01-16 | 2018-01-16 | Daphnia magna culture collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820068285.6U CN207754350U (en) | 2018-01-16 | 2018-01-16 | Daphnia magna culture collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207754350U true CN207754350U (en) | 2018-08-24 |
Family
ID=63184069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820068285.6U Active CN207754350U (en) | 2018-01-16 | 2018-01-16 | Daphnia magna culture collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207754350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108056052A (en) * | 2018-01-16 | 2018-05-22 | 广东中科英海科技有限公司 | Daphnia magna culture collection device |
| CN111387100A (en) * | 2019-09-12 | 2020-07-10 | 浙江海洋大学 | Separation and purification and large-scale culture method for daphnia fusiforme |
-
2018
- 2018-01-16 CN CN201820068285.6U patent/CN207754350U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108056052A (en) * | 2018-01-16 | 2018-05-22 | 广东中科英海科技有限公司 | Daphnia magna culture collection device |
| CN111387100A (en) * | 2019-09-12 | 2020-07-10 | 浙江海洋大学 | Separation and purification and large-scale culture method for daphnia fusiforme |
| CN111387100B (en) * | 2019-09-12 | 2021-10-22 | 浙江海洋大学 | Separation and purification and large-scale culture method for daphnia fusiforme |
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