CN208604122U - A kind of microbial activity detector of agricultural product - Google Patents
A kind of microbial activity detector of agricultural product Download PDFInfo
- Publication number
- CN208604122U CN208604122U CN201821152030.4U CN201821152030U CN208604122U CN 208604122 U CN208604122 U CN 208604122U CN 201821152030 U CN201821152030 U CN 201821152030U CN 208604122 U CN208604122 U CN 208604122U
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- China
- Prior art keywords
- vaccum case
- reactor tank
- agricultural product
- microbial activity
- activity detector
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- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
The utility model belongs to food inspection equipment technical field, more particularly to a kind of microbial activity detector of agricultural product, including reactor tank, the vaccum case being wrapped in outside reactor tank, vaccum case is the cylindrical housings that upper and lower side all has circular perforations, the upper end of reactor tank is communicated with feed pipe, lower end is communicated with discharge nozzle, side wall is connected to cable tube, spool will be connected to inside reactor tank with vaccum case outside, one end that spool is located in reactor tank is equipped with temperature sensor, oxygen concentration sensor and pH sensor, the part that spool is located at outside vaccum case is equipped with single-chip microcontroller and display, bleeding point is also equipped on vaccum case, vacuum pump is communicated on bleeding point.The utility model can detect oxygen content in reaction system, temperature change and pH situation of change simultaneously, and detection bacterium, aerobic bacteria, acid-producing bacteria or the activity to the pH microorganism being affected etc., detection range are wide simultaneously for energy.
Description
Technical field
The utility model belongs to food inspection equipment technical field, and in particular to a kind of microbial activity detection of agricultural product
Instrument.
Background technique
The microbial activity of agricultural product refers to micro organism quantity contained therein and the microbial reproduction closely related with quantity
Rate, content of microorganisms number be influence agricultural product shelf-life, shelf life an important factor for.Under normal conditions, in order to extend
Shelf-life, it will usually which sterilization treatment, such as pasteurization, the appropriate preservative of addition etc. are carried out to agricultural product.But different agricultural productions
Product are different to the susceptibility of microorganism, and easy microbiological contamination degree is not also identical, therefore its corresponding sterilization method is also not quite similar.In order to
The phenomenon that avoiding microorganism sterilizing insufficient or excessive sterilizing influence microbial quality, it would be desirable to micro- life in different agricultural product
Object activity situation is detected, and judges wherein microbial reproduction rate and growth activity.
Microorganism type that may be present includes bacterium, mould etc. in agricultural product, wherein having aerobic bacteria, acid-producing bacteria etc. a variety of
Type, different microorganisms are suitble to different detection means.However, microbial activity detector in the prior art is detection reaction
Oxygen content or temperature change in system cannot detect pH variation, and pH variation and the activity of acid-producing bacteria etc. are closely related, because
This prior art haves the defects that detection range is relatively narrow.Therefore it needs to develop one kind and can detect oxygen in reaction system simultaneously and contain
Amount, temperature change and the detector for producing sour situation.
Utility model content
The purpose of the utility model is to provide a kind of microbial activity detectors of agricultural product, can detect reaction system simultaneously
Middle oxygen content, temperature change and pH situation of change, the microbial activity detector test range for solving the prior art are relatively narrow
The problem of.
A kind of microbial activity detector of agricultural product provided by the utility model, including reactor tank, be wrapped in it is described anti-
The vaccum case outside tank is answered, the vaccum case is the cylindrical housings that upper and lower side all has circular perforations；
The upper end of the reactor tank is communicated with feed pipe, and lower end is communicated with discharge nozzle, and side wall is connected to cable tube；The charging
The upper end of pipe is placed through the circular perforations of the vaccum case upper end, and passes through the first sealing ring between the vaccum case
It is tightly connected, is also equipped with the first sealing cover at the feed pipe upper end tube nozzle；The discharge nozzle lower end is placed through described true
The circular perforations of empty capsid lower end, and be tightly connected between the vaccum case by the second sealing ring, under the discharge nozzle
The second sealing cover is also equipped at end pipe mouth；It offers in the vaccum case side wall and the reactor tank to perforation, the line
Pipe is perforated across described Dui, will inside the reactor tank be connected to outside the vaccum case, and the spool with it is described instead
It answers between tank, be tightly connected by third sealing ring between the spool and the vaccum case；The spool is located at described
One end in reactor tank is equipped with temperature sensor, oxygen concentration sensor and pH sensor, and the spool is located at the vacuum shell
Part outside body is equipped with single-chip microcontroller and display, the temperature sensor, the oxygen concentration sensor, the pH sensor
With the display respectively with the monolithic mechatronics；
It is also equipped with bleeding point on the vaccum case, is communicated with vacuum pump on the bleeding point.
Preferably, in the microbial activity detector of above-mentioned agricultural product, the vaccum case includes outside the first semi-cylindrical
Shell and the second semi-cylindrical shell, the vaccum case be by the first semi-cylindrical shell and second semi-cylindrical outside
The upper and lower side that shell is spliced all has the cylindrical housings of circular perforations；The first semi-cylindrical side wall of outer shell and described anti-
It answers and is offered on tank to perforation, bleeding point is installed on the second semi-cylindrical shell.
It further include support frame, support frame as described above upper surface offers the installation to match with the vaccum case overall diameter
Hole is equipped with the support plate for being used to support the vaccum case on support frame as described above.
Preferably, in the microbial activity detector of above-mentioned agricultural product, round gap, the circle are opened up in the support plate
Shape gap is located at immediately below the vaccum case, and the diameter of the round gap is less than the overall diameter of the vaccum case, institute
It states discharge nozzle lower end and passes through the round gap.
It preferably, further include reception pipe in the microbial activity detector of above-mentioned agricultural product, the reception pipe is located at described
Lower section inside support frame and positioned at the discharge nozzle, the discharge nozzle lower end is protruded into inside the reception pipe.
Preferably, in the microbial activity detector of above-mentioned agricultural product, support frame as described above bottom, which is also equipped with, to be used to support
The supporting table of the reception pipe.
Preferably, in the microbial activity detector of above-mentioned agricultural product, first sealing ring, second sealing ring and
The third sealing ring is rubber ring or latex circle.
Compared with prior art, the microbial activity detector of agricultural product provided by the utility model has beneficial below
Effect:
1, the utility model have a variety of use states, can detect simultaneously oxygen content in reaction system, temperature change and
PH situation of change can determine whether the propagating active of microorganism in sample by these parameters.Oxygen content variation then illustrates greatly aerobic
Bacterium breeding is fast, activity is strong, and temperature change then illustrates that greatly the microbial reproductions such as bacterium are very fast, heat production is high, and pH reduction obviously then illustrates
Acid-producing bacteria content is big and activity is high.The microbial activity that the utility model can detect acid-producing bacteria or be affected to pH, detection
Range is wide.
2, reactor tank effect is to place the agricultural product such as solid-state, liquid, semisolid in the utility model.Feed pipe be used for into
Material, discharge nozzle are used for blowing.In order to improve temperature detection sensitivity, we are also provided with vaccum case, the effect of vaccum case
It is to form vacuum layer between reactor tank, is transmitted with reducing in reactor tank heat to outside.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the microbial activity detector of the utility model agricultural product；
Fig. 2 is the partial schematic diagram of the microbial activity detector of the utility model agricultural product；
Fig. 3 is the connection signal of vaccum case and support frame in the microbial activity detector of the utility model agricultural product
Figure；
Fig. 4 is temperature sensor, oxygen concentration sensor and pH in the microbial activity detector of the utility model agricultural product
The connection schematic diagram of sensor, single-chip microcontroller and display.
Description of symbols: 1. reactor tanks, 11. feed pipes, 111. first sealing covers, 12. discharge nozzles, 121. second sealings
Lid, 13. spools, 2. vaccum cases, 21. first semi-cylindrical shells, 22. second semi-cylindrical shells, 221. bleeding points, 3. temperature
Degree sensor, 4. oxygen concentration sensors, 5.pH sensor, 6. single-chip microcontrollers, 7. displays, 8. vacuum pumps, 9. support frames, 91.
Fagging, 92. reception pipes, 93. supporting tables.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
A kind of microbial activity detector of agricultural product, it is specific as shown in Figs 1-4, including reactor tank 1, be wrapped in reactor tank
Vaccum case 2 outside 1, vaccum case 2 include the first semi-cylindrical shell 21 and the second semi-cylindrical shell 22, and the first half
The upper and lower side of cylindrical shell 21 and the second semi-cylindrical shell 22, which offers to wear, connects semicircle orifice, and vaccum case 2 is by first
The upper and lower side that semi-cylindrical shell 21 and the second semi-cylindrical shell 22 are detachably spliced all has the cylinder of circular perforations
Shape shell, wherein circular perforations are to connect semicircle by being located at wearing on the first semi-cylindrical shell 21 and the second semi-cylindrical shell 22
What hole was spliced；
The upper end of reactor tank 1 is communicated with feed pipe 11, and the lower end of reactor tank 1 is communicated with discharge nozzle 12, the side wall of reactor tank 1
It is connected to cable tube 13；The upper end of feed pipe 11 is placed through the circular perforations of 2 upper end of vaccum case, and between vaccum case 2
It is tightly connected by the first sealing ring, is also equipped with the first sealing cover 111 at 11 upper end tube nozzle of feed pipe；It wears 12 lower end of discharge nozzle
The circular perforations positioned at 2 lower end of vaccum case are crossed, and are tightly connected between vaccum case 2 by the second sealing ring, discharge nozzle
The second sealing cover 121 is also equipped at 12 lower end nozzles；It is offered on first semi-cylindrical shell, 21 side wall and reactor tank 1 to wearing
Hole, spool 13 are passed through to perforation, by 1 inside of reactor tank be connected to outside vaccum case 2, and between spool 13 and reactor tank 1,
It is tightly connected by third sealing ring between spool 13 and the first semi-cylindrical shell 21；Spool 13 is located in reactor tank 1
One end is equipped with temperature sensor 3, oxygen concentration sensor 4 and pH sensor 5, and spool 13 is located at the part outside vaccum case 2
Single-chip microcontroller 6 and display 7 be installed, temperature sensor 3, oxygen concentration sensor 4, pH sensor 5 and display 7 respectively with monolithic
Machine 6 is electrically connected；It is mounted on battery on display 7 and single-chip microcontroller 6, for passing to temperature sensor 3, oxygen concentration sensor 4, pH
Sensor 5, single-chip microcontroller 6 and display 7 are powered；
Bleeding point 221 is installed on second semi-cylindrical shell 22, vacuum pump 8 is communicated on bleeding point 221, thus vacuum
Pump 8 be connected to inside vaccum case 2, for being vacuumized inside vaccum case 2, without using the utility model device when, pumping
Port 221 is closed with plug.
The effect of reactor tank 1 is to place the agricultural product such as solid-state, liquid or semisolid in the utility model.Feed pipe 11 is used for
Charging, discharge nozzle 12 are used for blowing.
The utility model has a variety of use states, the first: placing one section for agricultural samples naturally in reactor tank 1
Time measures temperature change in reactor tank 1 by temperature sensor 3, and it is dense to measure oxygen in reactor tank 1 by oxygen concentration sensor 4
Degree variation is changed by the pH that pH sensor 5 measures sample, notices that the probe of pH sensor 5 should be contacted with sample, temperature sensing
Device 3 (PT100 model), oxygen concentration sensor 4 (XYA serial model No. | Xin Shilian Science and Technology Ltd., Shenzhen) and pH sensor 5
(S290C serial model No.) passes to the signal of each measurement single-chip microcontroller 6 (89C52 serial model No.), and single-chip microcontroller 6 analyzes signal,
And display 7 (LCD12864 model) displays temperature data, oxygen concentration data and pH data are controlled, so as to detect reaction simultaneously
Oxygen content, temperature change and pH situation of change, can determine whether the propagating active of microorganism in sample by these parameters in system.
Oxygen content variation then illustrates that greatly aerobic bacteria breeding is fast, activity is strong, and temperature change then illustrates that greatly the microbial reproductions such as bacterium are very fast,
PH, which is reduced, obviously then illustrates that acid-producing bacteria content is big and activity is high.The utility model can detect acid-producing bacteria or on product pH influence compared with
Big microorganism, detection range is wider, best to the detection effect of fluid sample, followed by semisolid and solid sample.It needs
Illustrate to be that other can also be used in temperature sensor 3, oxygen concentration sensor 4, pH sensor 5, single-chip microcontroller 6 and display 7 commercially available
Model.
In order to improve temperature detection sensitivity, we are also provided with vaccum case 2, and the effect of vaccum case 2 is and reacts
Vacuum layer is formed between tank 1, and is vacuumized using vacuum pump 8, improves temperature to outside transmitting to reduce heat in reactor tank 1
The sensitivity of sensor 3.The sealed connection effect of first sealing ring, the second sealing ring and third sealing ring is to maintain vacuum
Degree, slows down air and enters in vacuum layer.In order to make vacuum degree maintain better effect, the first semi-cylindrical shell 21 and the second semicircle
22 stitching portion of cylindrical outer cover and each seal the joint are coated with vaseline.First sealing ring, the second sealing ring and third are close
Seal is that rubber ring or latex circle, raw material are cheap and easy to get.
Second of usage mode of the utility model is as follows: vaccum case 2 disassembled, the reactor tank 1 with heating mantle is selected,
Accelerate microbial reproduction and metabolism between 25~37 DEG C by manually improving temperature in reactor tank 1, by measuring reactor tank 1
Interior oxygen concentration variation and sample pH value change to detect the active size of aerobic bacteria and acid-producing bacteria etc..
The third usage mode of the utility model is as follows: heating reactor tank 1 is to its internal temperature at 25~37 DEG C in advance
Between, then stop heating, according to vaccum case 2 is installed shown in Fig. 1 and Fig. 3 outside reactor tank 1, then refers again to first
Kind usage mode measures relevant parameter, and then judges the microbial activity of agricultural product.
Further include the support frame 9 of cube in the embodiments of the present invention, 9 upper surface of support frame offer with very
The mounting hole that 2 overall diameter of empty capsid matches is equipped with the support plate 91 for being used to support vaccum case 2, vacuum shell on support frame 9
It is mounted in mounting hole after the splicing of body 2 is good, and its bottom is contacted with support plate 91.Support frame 9 gives reactor tank 1 and vaccum case
2 provide a supporting role.
In the embodiments of the present invention, round gap is opened up in support plate 91, round gap is being located at vaccum case 2 just
Lower section, and the diameter of circle gap is less than the overall diameter of vaccum case 2,12 lower end of discharge nozzle passes through round gap, convenient for from out
Expects pipe 12 discharges.
It further include reception pipe 92 in the embodiments of the present invention, reception pipe 92 is located inside support frame 9 and is located at
The lower section of discharge nozzle 12,12 lower end of discharge nozzle are protruded into inside reception pipe 92, are connected to reception pipe 92 with 12 lower end of discharge nozzle, not only
Convenient for discharging from discharge nozzle 12, and reception pipe 92 is exclusively used in receiving sample, prevents sample room from polluting, and it is external to be also prevented from its pollution
Environment.
In the embodiments of the present invention, 9 bottom of support frame is also equipped with the supporting table 93 for being used to support reception pipe 92,
It avoids manually helping support frame 9, has liberated manpower.
It should be noted that then used component is existing commercially available components as not specified in above-described embodiment,
Due to not being related to inventive point, therefore the structure of these existing components is not described in detail.Disclosed above is only the specific of the utility model
Embodiment, still, the utility model are not limited to this, and the changes that any person skilled in the art can think of should all fall into this
The protection scope of utility model.
Claims (7)
1. a kind of microbial activity detector of agricultural product, which is characterized in that including reactor tank (1), be wrapped in the reactor tank
(1) outside vaccum case (2), the vaccum case (2) are the cylindrical housings that upper and lower side all has circular perforations；
The upper end of the reactor tank (1) is communicated with feed pipe (11), and lower end is communicated with discharge nozzle (12), and side wall is connected to cable tube
(13)；The upper end of the feed pipe (11) is placed through the circular perforations of the vaccum case (2) upper end, and with the vacuum shell
It is tightly connected between body (2) by the first sealing ring, is also equipped with the first sealing cover at feed pipe (11) upper end tube nozzle
(111)；Discharge nozzle (12) lower end is placed through the circular perforations of the vaccum case (2) lower end, and with the vacuum shell
It is tightly connected between body (2) by the second sealing ring, is also equipped with the second sealing cover at the nozzle of discharge nozzle (12) lower end
(121)；It offers in vaccum case (2) side wall and the reactor tank (1) to perforation, it is described right that the spool (13) passes through
Perforation will be connected to outside the reactor tank (1) inside and the vaccum case (2), and the spool (13) is reacted with described
It is tightly connected by third sealing ring between tank (1), between the spool (13) and the vaccum case (2)；The spool
(13) one end being located in the reactor tank (1) is equipped with temperature sensor (3), oxygen concentration sensor (4) and pH sensor
(5), the part that the spool (13) is located at the vaccum case (2) outside is equipped with single-chip microcontroller (6) and display (7), described
Temperature sensor (3), the oxygen concentration sensor (4), the pH sensor (5) and the display (7) respectively with the list
Piece machine (6) electrical connection；
The vaccum case (2) also on be equipped with bleeding point (221), be communicated with vacuum pump (8) on the bleeding point (221).
2. the microbial activity detector of agricultural product according to claim 1, which is characterized in that the vaccum case (2)
Including the first semi-cylindrical shell (21) and the second semi-cylindrical shell (22), the vaccum case (2) is by described the first half
The upper and lower side that cylindrical shell (21) and the second semi-cylindrical shell (22) are spliced all has the cylinder of circular perforations
Shape shell；It offers in first semi-cylindrical shell (21) side wall and the reactor tank (1) to perforation, second semicircle
Bleeding point (221) are installed on cylindrical outer cover (22).
3. the microbial activity detector of agricultural product according to claim 1 or 2, which is characterized in that further include support frame
(9), support frame as described above (9) upper surface offers the mounting hole to match with the vaccum case (2) overall diameter, support frame as described above
(9) support plate (91) for being used to support the vaccum case (2) is installed on.
4. the microbial activity detector of agricultural product according to claim 3, which is characterized in that on the support plate (91)
Round gap is opened up, the circle gap is located at immediately below the vaccum case (2), and the diameter of the round gap is less than institute
The overall diameter of vaccum case (2) is stated, discharge nozzle (12) lower end passes through the round gap.
5. the microbial activity detector of agricultural product according to claim 4, which is characterized in that further include reception pipe
(92), the reception pipe (92) is located at support frame as described above (9) inside and is located at the lower section of the discharge nozzle (12), the discharging
It is internal that the reception pipe (92) is protruded into pipe (12) lower end.
6. the microbial activity detector of agricultural product according to claim 5, which is characterized in that support frame as described above (9) bottom
Portion is also equipped with the supporting table (93) for being used to support the reception pipe (92).
7. the microbial activity detector of agricultural product according to claim 1, which is characterized in that first sealing ring,
Second sealing ring and the third sealing ring are rubber ring or latex circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152030.4U CN208604122U (en) | 2018-07-18 | 2018-07-18 | A kind of microbial activity detector of agricultural product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152030.4U CN208604122U (en) | 2018-07-18 | 2018-07-18 | A kind of microbial activity detector of agricultural product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208604122U true CN208604122U (en) | 2019-03-15 |
Family
ID=65669256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821152030.4U Expired - Fee Related CN208604122U (en) | 2018-07-18 | 2018-07-18 | A kind of microbial activity detector of agricultural product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208604122U (en) |
-
2018
- 2018-07-18 CN CN201821152030.4U patent/CN208604122U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190315 Termination date: 20210718 |