CN211946966U - Non-contact biomass on-line measuring device - Google Patents
Non-contact biomass on-line measuring device Download PDFInfo
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- CN211946966U CN211946966U CN201921754207.2U CN201921754207U CN211946966U CN 211946966 U CN211946966 U CN 211946966U CN 201921754207 U CN201921754207 U CN 201921754207U CN 211946966 U CN211946966 U CN 211946966U
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Abstract
The utility model relates to a non-contact biomass on-line measuring device, include: the device comprises a light source, an optical signal receiver, a main circuit board and a mounting rack; the light source and the optical signal receiver are respectively connected with the main circuit board; the light source, the optical signal receiver and the main circuit board are mounted in the mounting frame. The utility model provides a non-contact biomass on-line measuring device can realize measuring the microorganism state in the culture dish on line to non-contact measures, avoids the sample to suffer the pollution, has improved the convenience of operation simultaneously, has improved the universality of device.
Description
Technical Field
The utility model belongs to the technical field of the microbial cultivation technique and specifically relates to a non-contact biomass on-line measuring device is related to.
Background
In bioengineering or fermentation, a certain amount of microorganisms are often inoculated into a culture medium and then kept in a specific environment for cultivation. In general, the growth state of microorganisms needs to be monitored during the cultivation. The most common method in laboratories today is the Optical Density (OD) measurement method. The optical density measuring method is to utilize the light signal of the light source to irradiate into the culture solution for culturing microbe, receive the scattered light signal and process the signal to obtain the growth state of microbe indirectly.
The inventor finds in research that the optical density measurement method in the prior art is mainly off-line measurement, that is, in the culture process of microorganisms, when the growth state of the microorganisms needs to be measured in an experiment, a part of culture solution is taken out from a culture dish for measurement, so that the operation of experimenters is relatively frequent, and the risk of introducing impurities or mixed bacteria into the culture solution is greatly increased in multiple operation processes. Therefore, there is a need to provide an online measuring method or device, and the current online measuring devices are less in variety and less convenient.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a non-contact online biomass detecting device, which can be used by laboratory personnel to perform online measurement on a culture solution and improve the convenience of operation.
A non-contact biomass on-line detection device comprises: the device comprises a light source, an optical signal receiver, a main circuit board and a mounting rack; the light source and the optical signal receiver are respectively connected with the main circuit board; the light source, the optical signal receiver and the main circuit board are mounted in the mounting frame.
The mounting bracket is of a handheld structure, the mounting bracket comprises a holding part for a user to hold and a measuring part for abutting against or being close to an external culture dish, and the measuring part is provided with a transparent wall capable of transmitting light.
The light source is disposed within the measurement portion at a position near the transparent wall, and the optical signal receiver is disposed around the light source.
The main circuit board is disposed within the grip portion.
The handle part is arranged on the handle part, and the handle part is arranged on the handle part.
Still including setting up the display of mounting bracket surface, the display is connected main circuit board.
The mounting rack is of a clamping transmission type structure and comprises a signal generating part, a signal receiving part and a signal processing part; the signal generating part accommodates the light source, and the signal receiving part accommodates the optical signal receiver; the main circuit board is accommodated in the signal processing; the signal generating part and the signal receiving part are both provided with transparent walls capable of transmitting light rays, and a space for accommodating the liquid culture dish to be measured is formed between the signal generating part and the signal receiving part.
The device also comprises an adjusting device used for adjusting the space size between the signal generating part and the signal receiving part.
The adjusting device is specifically a telescopic rod.
The signal processing part is also provided with a power supply connected with the main circuit board.
The utility model provides a non-contact biomass on-line measuring device can realize measuring the microorganism state in the culture dish on line to non-contact measures, avoids the sample to suffer the pollution, has improved the convenience of operation simultaneously, has improved the universality of device.
Drawings
Fig. 1 is a schematic structural diagram of a non-contact biomass on-line detection device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a non-contact biomass on-line detection device according to another embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Based on the operation flow and the strengthening method in the utility model, all other tools obtained by the technical personnel in the field without creative labor belong to the protection scope of the utility model.
The embodiment of the utility model provides a non-contact biomass on-line measuring device, including light source, light signal receiver, main circuit board and mounting bracket; the light source and the optical signal receiver are respectively connected with the main circuit board; the light source, the optical signal receiver and the main circuit board are mounted in the mounting frame.
In particular, the embodiments of the present invention provide an apparatus, optical density measurement technique, and method, which can refer to the prior art. The light source and the light signal receiver form a certain angle relationship, the light source firstly emits light signals, the culture solution in the culture dish (or other transparent containers) generates scattering, and finally the culture solution is received by the light signal receiver. The circuit on the main circuit board, as in the prior art, should have functions of control, signal processing, etc., and can realize reading, conversion, noise reduction, and arithmetic processing of data. When necessary, the main circuit board can also be provided with a module and an interface for data transmission, such as wifi, bluetooth, a serial port and the like, and can output data to an external singlechip, PC and the like for further data summarization or processing in a laboratory. The device in the embodiment can be powered by a battery in the device, and can also be powered by an external power supply in the scene of a long-time biological culture experiment.
Example 1
As shown in fig. 1, the mounting bracket may be a hand-held structure. The mounting frame comprises a holding part for being held by a user, and a measuring part for abutting against or being close to the external culture dish, wherein the measuring part is provided with a transparent wall capable of transmitting light. The light source is disposed within the measurement portion at a position close to the transparent wall, and the optical signal receiver is disposed around the light source. The power supply and the main circuit board are disposed within the grip portion. The apparatus also includes a display disposed on an outer surface of the mounting bracket. Specifically, as shown in fig. 1, a liquid to be measured, 2, a container wall surface, 3, an optical signal receiver, 4, a light source, 5, a display, 6, a mounting rack, 7, a power supply, 8 and a main circuit board.
The handheld configuration is very convenient for laboratory personnel to operate and allows easy measurement of petri dishes, which typically have flat walls.
Example 2
As shown in fig. 2, the apparatus can also be a clamping transmission type structure, which is also highly versatile. Specifically, the mounting rack for clamping the transmission structure comprises a signal generating part, a signal receiving part and a signal processing part; the signal generating part is used for accommodating a light source, and the signal receiving part is used for accommodating an optical signal receiver; the main circuit board is accommodated in the signal processing; the signal generating part and the signal receiving part are both provided with transparent walls capable of transmitting light rays, and a space for accommodating the liquid culture dish to be measured is formed between the signal generating part and the signal receiving part.
Further, the size of the space can be adjusted through an adjusting device, and the adjusting device can be but is not limited to a telescopic rod.
Fig. 2, 1, a mounting rack, 2, a light source, 3, a container wall, 4, a liquid to be detected, 5, an optical signal receiver, 6, a telescopic rod, 7, a power supply, 8 and a main circuit board. The main working principle is not described in detail.
To sum up, the utility model provides a non-contact biomass on-line measuring device can realize measuring the microorganism state in the culture dish on line to non-contact measures, avoids the sample to suffer the pollution, has improved the convenience of operation simultaneously, has improved the universality of device.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A non-contact biomass online detection device is characterized by comprising: the device comprises a light source, an optical signal receiver, a main circuit board and a mounting rack; the light source and the optical signal receiver are respectively connected with the main circuit board; the light source, the optical signal receiver and the main circuit board are mounted in the mounting frame;
the mounting rack is of a clamping transmission type structure and comprises a signal generating part, a signal receiving part and a signal processing part; the signal generating part accommodates the light source, and the signal receiving part accommodates the optical signal receiver; the main circuit board is accommodated in the signal processing; the signal generating part and the signal receiving part are both provided with transparent walls capable of transmitting light rays, and a space for accommodating the liquid culture dish to be measured is formed between the signal generating part and the signal receiving part.
2. The apparatus of claim 1, wherein the mounting frame is a handheld structure, the mounting frame comprises a holding portion for a user to hold, and a measuring portion for abutting against or approaching an external culture dish, the measuring portion has a transparent wall for transmitting light.
3. The apparatus of claim 2, wherein the light source is disposed within the measuring portion at a position close to the transparent wall, and the light signal receiver is disposed around the light source.
4. The on-line non-contact biomass measuring device according to claim 3, wherein the main circuit board is disposed in the holding part.
5. The on-line non-contact biomass detecting device according to claim 4, further comprising a power supply arranged in the holding part, wherein the power supply is connected with the main circuit board.
6. The on-line non-contact biomass detection device as recited in claim 4, further comprising a display disposed on an outer surface of the mounting rack, wherein the display is connected to the main circuit board.
7. The apparatus of claim 1, further comprising an adjusting device for adjusting the size of the space between the signal generating unit and the signal receiving unit.
8. The online non-contact biomass detection device according to claim 7, wherein the adjustment device is a telescopic rod.
9. The on-line non-contact biomass detection device according to any one of claims 1 to 8, wherein a power supply connected with the main circuit board is further arranged in the signal processing part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921754207.2U CN211946966U (en) | 2019-10-18 | 2019-10-18 | Non-contact biomass on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921754207.2U CN211946966U (en) | 2019-10-18 | 2019-10-18 | Non-contact biomass on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211946966U true CN211946966U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921754207.2U Active CN211946966U (en) | 2019-10-18 | 2019-10-18 | Non-contact biomass on-line measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN211946966U (en) |
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2019
- 2019-10-18 CN CN201921754207.2U patent/CN211946966U/en active Active
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