CN221116944U - BOD (BOD)5Automatic cover opening device for culture bottle - Google Patents
BOD (BOD)5Automatic cover opening device for culture bottle Download PDFInfo
- Publication number
- CN221116944U CN221116944U CN202222762839.1U CN202222762839U CN221116944U CN 221116944 U CN221116944 U CN 221116944U CN 202222762839 U CN202222762839 U CN 202222762839U CN 221116944 U CN221116944 U CN 221116944U
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- China
- Prior art keywords
- culture bottle
- culture
- bod
- cover opening
- electromagnetic device
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- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052760 oxygen Inorganic materials 0.000 abstract description 9
- 239000001301 oxygen Substances 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 238000010790 dilution Methods 0.000 description 6
- 239000012895 dilution Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011545 laboratory measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model relates to an automatic cover opening device of a BOD 5 culture bottle, which is suitable for the BOD 5 culture bottle with a culture bottle cap made of ferromagnetic materials, and comprises a bracket for temporarily supporting the culture bottle, an electromagnetic device arranged in the bracket and a driving component connected with the electromagnetic device, wherein the electromagnetic device is movably connected with the bracket; when the automatic cover opening device operates, the electromagnetic device is opposite to the culture bottle cap of the culture bottle, the driving assembly responds to the output of the automatic control system to drive the electromagnetic device and the bracket to synchronously vertically move downwards or vertically upwards, and the electromagnetic device sucks the culture bottle cap to drive the culture bottle cap to leave the culture bottle, or the electromagnetic device is separated from the culture bottle cap so that the culture bottle cap returns to the bottle mouth of the culture bottle, and the bracket is temporarily separated from the electromagnetic device and temporarily supports the culture bottle. The utility model has simple structure and can automatically finish the function of uncovering to measure dissolved oxygen and covering the bottle cap for sealing culture.
Description
Technical Field
The utility model relates to the technical field of water quality monitoring, in particular to an automatic cover opening device of a BOD 5 culture bottle.
Background
BOD 5 (five-day Biochemical oxygen demand) refers to dissolved oxygen in water consumed in a biochemical process in which microorganisms decompose certain organic matters in water within five days under prescribed conditions, and is an important index for determining organic pollutants in water.
Currently, the method of laboratory measurement of BOD 5 is the dilution and inoculation method. In this method, an operator first needs to predict the concentration of BOD 5 of the water sample according to experience, and then determine whether to dilute. If the water sample needs to be diluted, the Chemical Oxygen Demand (COD) of the water sample needs to be measured, and then the multiple of the required dilution is calculated according to the COD to carry out manual dilution. During dilution, the water used for dilution is aerated to saturate dissolved oxygen in the water, and then the dilution water is used for diluting the water sample. And (3) inoculating a water sample without microorganisms, measuring the dissolved oxygen rho 1 of the diluted water sample by using a titration or electrode method, sealing the water sample, culturing the water sample in an incubator for 5 days, measuring the dissolved oxygen rho 2 of the water sample after 5 days, and finally calculating the BOD 5 value of the original water sample according to the difference value of rho 1 and rho 2.
In the above-mentioned process, the bottle caps of the culture bottles are frequently opened or closed every day, and thus it is required to develop a device capable of automatically opening and closing the bottle caps.
Disclosure of utility model
The utility model aims to provide an automatic cover opening device for a BOD 5 culture bottle, which has a simple structure and can automatically finish the functions of opening the cover to measure dissolved oxygen and closing the bottle cover to culture in a sealing way.
Based on the above object, the present utility model provides an automatic cover opening device for a culture bottle of BOD 5, which is adapted to a culture bottle of BOD 5 with a culture bottle cap made of ferromagnetic material, and comprises a bracket for temporarily supporting the culture bottle, an electromagnetic device arranged in the bracket, and a driving assembly connected with the electromagnetic device, wherein the electromagnetic device is movably connected with the bracket; when the automatic cover opening device operates, the electromagnetic device is opposite to the culture bottle cap of the culture bottle, the driving assembly responds to the output of the automatic control system to drive the electromagnetic device and the bracket to synchronously vertically move downwards or vertically upwards, and the electromagnetic device sucks the culture bottle cap to drive the culture bottle cap to leave the culture bottle, or the electromagnetic device is separated from the culture bottle cap so that the culture bottle cap returns to the bottle mouth of the culture bottle, and the bracket is temporarily separated from the electromagnetic device and temporarily supports the culture bottle.
Further, the driving assembly comprises a stepping motor, a screw rod connected with the stepping motor and a guide rail connected with the screw rod.
Further, a sliding block is arranged on the guide rail and connected with the electromagnetic device through a first fixing piece, and an opening is formed in one side, close to the sliding block, of the sleeve to enable the first fixing piece to move along the opening.
Further, the electromagnetic device is movably connected with the bracket through an elastic reset component.
Further, the elastic reset component comprises a second fixing piece connected with the sleeve, the second fixing piece is provided with a through hole, the first fixing piece is provided with at least one guide rod, the first fixing piece passes through the guide rod and is connected with the second fixing piece through the through hole, a spring is sleeved on the extending guide rod, the top end of the spring is fixed to the guide rod, and the bottom end of the spring is connected with the second fixing piece.
Further, the electromagnetic device comprises an electromagnet, and the electromagnet is connected to the first fixing piece.
Further, the electromagnet is connected with the first fixing piece through a reset spring.
Further, the electromagnet is connected with the stepping motor through a wire.
Further, the cover opening trigger detection assembly comprises an optical coupler arranged on the second fixing piece and a baffle plate used for triggering the optical coupler, one end of the baffle plate is close to the optical coupler, and the other end of the baffle plate extends to the lower portion of the electromagnet.
Further, the bracket adopts a round sleeve.
The automatic cover opening device can be arranged on a full-automatic BOD 5 analyzer, can automatically finish the functions of opening the cover to measure dissolved oxygen and closing the cover to seal and culture without complex mechanical devices such as a mechanical arm and the like, and has the advantages of exquisite and practical design and stable operation.
Drawings
FIG. 1 is a schematic diagram of an automatic cover opening device for a BOD 5 flask according to the present utility model in an embodiment.
Reference numerals:
1-a bracket; 2-electromagnetic means; 21-an electromagnet; 22-a return spring; 3-a drive assembly; 31-a stepper motor; 32-screw rod; 33-a guide rail; 34-a slider; 35-a first fixing member; 4-an elastic reset assembly; 41-a second fixing member; 411-guide bar; 42-springs; 5-a culture bottle; 6, culturing a bottle cap; 7-uncapping a trigger detection assembly; 71-optocoupler; 72-retainer.
Detailed Description
The automatic lid opening device for BOD 5 culture flask according to the present utility model will be described in further detail with reference to the drawings and specific examples, but the detailed description is not limiting of the present utility model.
In one embodiment of the utility model, an automatic cover opening device for a BOD 5 culture flask is provided. FIG. 1 schematically shows the structure of an automatic cover opening device for a BOD 5 culture flask according to the present utility model in one embodiment.
As shown in fig. 1, the automatic cover opening device of the BOD 5 culture flask is adapted to a BOD 5 culture flask with a culture flask cover made of ferromagnetic material, and comprises a bracket 1 for temporarily supporting a culture flask 5, an electromagnetic device 2 arranged inside the bracket 1, and a driving assembly 3 connected with the electromagnetic device 2. The electromagnetic device 2 is movably connected with the bracket 1; when the automatic cover opening device of the utility model is operated, the electromagnetic device 2 is opposite to the culture bottle cap 6 of the culture bottle 5, the driving component 3 responds to the output of the automatic control system to drive the electromagnetic device 2 and the bracket 1 to synchronously move vertically downwards or vertically upwards, and the bracket 1 is temporarily separated from the electromagnetic device 2 and temporarily supports the culture bottle 5 when the electromagnetic device 2 sucks the culture bottle cap 6 to drive the culture bottle cap 6 to separate from the culture bottle 5 or the electromagnetic device 2 is separated from the culture bottle cap 6 so that the culture bottle cap 6 covers the bottle mouth of the culture bottle 5.
The above components are described in detail below.
The support 1 adopts circular sleeve design, and inside circular sleeve was located to electromagnetic means 2, circular sleeve was the body of agreeing with blake bottle 5 that can be better, and at the in-process of supporting blake bottle 5, circular sleeve can enclose around the bottle shoulder of blake bottle 5, makes it more stable.
The driving assembly 3 comprises a stepping motor 31, a screw rod 32 connected with the stepping motor 31 and a guide rail 33 connected with the screw rod 32, and a sliding block 34 is arranged on the guide rail 33. The sliding block 34 is connected with the electromagnetic device 2 through a first fixing piece 35, and an opening is formed in one side, close to the sliding block 34, of the bracket 1 for the first fixing piece 35 to move along.
Preferably, the electromagnetic device 2 is movably coupled to the bracket 1 through an elastic reset component 4, specifically, the elastic reset component 4 includes a second fixing member 41 connected to the bracket 1, the second fixing member 41 is provided with a through hole, the first fixing member 35 has at least one guide rod 411, the first fixing member 35 is connected to the second fixing member 41 through the guide rod 411 through the through hole, and a spring 42 is mounted on the extended guide rod 411 for fixing. The electromagnetic device 2 comprises an electromagnet 21, the electromagnet 21 being connected to the first fixing member 35 by a return spring 22 and to the stepper motor 31 by wires.
Preferably, the automatic cover opening device of the present utility model further includes a cover opening triggering detection assembly 7, including an optocoupler 71 disposed on the second fixing member 41 and a blocking piece 72 for triggering the optocoupler, wherein one end of the blocking piece 72 is close to the optocoupler 71, and the other end extends below the electromagnet 21.
When the automatic cover opening device works, the automatic control system controls the stepping motor 31 to run according to a program, the sliding block 34 is driven to move up and down through the lead screw 32 and the guide rail 33, and the first fixing piece 35 connected with the sliding block 34 drives the electromagnetic device 2 and the bracket 1 to move up and down synchronously. When the bracket 1 moves downwards, the bracket is supported by the bottle body after contacting the culture bottle 5, at the moment, the sliding block 34 continues to move downwards until the electromagnet 21 reaches the culture bottle cap 6, during the period, the first fixing piece 35 moves downwards, the guide rod 411 is pulled downwards, the guide rod 411 presses the spring 42 downwards, the second fixing piece 41 is pressed against the bracket 1 to fix the bracket under the tension of the spring 42, the culture bottle cap 6 is provided with an iron sheet, the electromagnet 21 stops moving after contacting the bottle cap 6, the electromagnet 21 is electrified, and the culture bottle cap 6 is sucked by the electromagnet 21; the slider 34 and electromagnet 21 then move upwards, opening the culture bottle cap 6 and lifting it away. After adding water or reagent to the culture flask 5, step motor 31 drives slider 34 to move downwards, cover the bottle lid 6 back to original place, electro-magnet 21 outage, slider 34 and electro-magnet 21 upwards leave, owing to be equipped with elasticity reset assembly 4 between support 1 and the electro-magnet 21, after support 1 supports the bottle body, utilize elasticity reset assembly 4 to realize the electro-magnet 21 separation of support 1, utilize the restoring force of spring 42, in the in-process that electro-magnet 21 received drive assembly 3 operation displacement continuously, can guarantee always that support 1 presses the culture flask 5, on the one hand, the convenience is fixed to the position of culture flask 5, do benefit to the stability of bottle lid 6 plug in-and-pull process body, on the other hand, because support 1 presses the bottle lid 5 to the culture flask lid 6 that is difficult to open also can light, accomplish above-mentioned process through one operation power of having accomplished, the design is exquisite practicality, and the operation is stable. Preferably, since the electromagnet 21 is connected with the first fixing piece 35 through the reset spring 22, the electromagnet 21 has height adjustability, and can be matched with the culture bottle caps 6 with different heights.
In addition, this automatic uncapping device is equipped with uncapping triggering assembly 7 still, utilizes the spacer 72 that extends to the electro-magnet 21 below to monitor whether cultivate bottle lid 6 holds, specifically, when the bottle lid is held, because the bottle lid can support the extension of spacer 72, in the opto-coupler 71 can detect the signal and convey the automatic control system of instrument to, at this moment, the system shows that the bottle lid is held by electro-magnet 21, and similarly, when the bottle lid leaves electro-magnet 21, opto-coupler 71 can detect that spacer 72 resets, and the system shows that the bottle lid is not held by electro-magnet 21 this moment.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and various modifications can be made to the above-described embodiment of the present utility model. All simple, equivalent changes and modifications made in accordance with the claims and the specification of this application fall within the scope of the patent claims. The present utility model is not described in detail in the conventional art.
Claims (10)
1. An automatic cover opening device of a BOD 5 culture flask, which is adapted to a BOD 5 culture flask with a culture flask cover made of ferromagnetic material, and is characterized by comprising:
the device comprises a bracket for temporarily supporting the culture flask, an electromagnetic device arranged in the bracket and a driving component connected with the electromagnetic device, wherein the electromagnetic device is movably connected with the bracket; when the automatic cover opening device operates, the electromagnetic device is opposite to the culture bottle cap of the culture bottle, the driving assembly responds to the output of the automatic control system to drive the electromagnetic device and the bracket to synchronously vertically move downwards or vertically upwards, and the electromagnetic device sucks the culture bottle cap to drive the culture bottle cap to leave the culture bottle, or the electromagnetic device is separated from the culture bottle cap so that the culture bottle cap returns to the bottle mouth of the culture bottle, and the bracket is temporarily separated from the electromagnetic device and temporarily supports the culture bottle.
2. The automated cover opening device of BOD 5 culture flasks according to claim 1, wherein the drive assembly comprises a stepper motor, a lead screw coupled to the stepper motor, and a guide rail coupled to the lead screw.
3. The automatic cover opening device of the BOD 5 culture flask according to claim 2, wherein a slide block is arranged on the guide rail, the slide block is connected with the electromagnetic device through a first fixing piece, and an opening is formed in one side, close to the slide block, of the support for the first fixing piece to move along the opening.
4. The automatic cover opening device of the BOD 5 culture flask according to claim 3, wherein the electromagnetic device and the bracket are movably connected through an elastic reset component.
5. The automatic cover opening device of the BOD 5 culture flask according to claim 4, wherein the elastic reset component comprises a second fixing piece connected with the bracket, the second fixing piece is provided with a through hole, the first fixing piece is provided with at least one guide rod, the first fixing piece is connected with the second fixing piece through the guide rod penetrating through the through hole, a spring is sleeved on the extending guide rod, the top end of the spring is fixed to the guide rod, and the bottom end of the spring is abutted to the second fixing piece.
6. The automated cover opening device of BOD 5 culture flasks according to claim 5, wherein the electromagnetic device comprises an electromagnet, the electromagnet being attached to the first fixture.
7. The automated cover opening device of the BOD 5 flask according to claim 6, wherein the electromagnet is connected to the first fixing member by a return spring.
8. The automatic cover opening device for BOD 5 culture flasks according to claim 7, wherein the electromagnet is connected to the stepper motor via a wire.
9. The automatic cover opening device of the BOD 5 culture flask according to claim 6, further comprising a cover opening trigger detection assembly, wherein the cover opening trigger detection assembly comprises an optical coupler arranged on the second fixing piece and a baffle for triggering the optical coupler, one end of the baffle is close to the optical coupler, and the other end of the baffle extends to below the electromagnet.
10. The automated cover opening device of BOD 5 culture flasks according to claim 1, wherein the support is a circular sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222762839.1U CN221116944U (en) | 2022-10-20 | 2022-10-20 | BOD (BOD)5Automatic cover opening device for culture bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222762839.1U CN221116944U (en) | 2022-10-20 | 2022-10-20 | BOD (BOD)5Automatic cover opening device for culture bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221116944U true CN221116944U (en) | 2024-06-11 |
Family
ID=91344557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222762839.1U Active CN221116944U (en) | 2022-10-20 | 2022-10-20 | BOD (BOD)5Automatic cover opening device for culture bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221116944U (en) |
-
2022
- 2022-10-20 CN CN202222762839.1U patent/CN221116944U/en active Active
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