CN218330184U - Food intake measuring device - Google Patents
Food intake measuring device Download PDFInfo
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- CN218330184U CN218330184U CN202222024084.5U CN202222024084U CN218330184U CN 218330184 U CN218330184 U CN 218330184U CN 202222024084 U CN202222024084 U CN 202222024084U CN 218330184 U CN218330184 U CN 218330184U
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Abstract
The utility model discloses a food intake measuring device includes: a trough and a weighing sensor; wherein the weighing sensor is arranged at the bottom of the food intake measuring device; weighing sensor top is equipped with the trough, and the trough includes: a food stacking chamber and a debris collection chamber; a food channel is arranged above the food groove, a channel inlet is formed in the first side of the food channel, and a food taking port is formed in the second side of the food channel; the food taking port is arranged above the food stacking chamber. Adopt the embodiment of the utility model provides a can improve the measurement accuracy to experimental animals' food intake.
Description
Technical Field
The utility model relates to a measuring device especially relates to a food intake measuring device.
Background
In experimental animals, many experiments require monitoring of qualitative and quantitative changes in animal food intake, particularly in nutritional biology. Current food intake measuring instruments often place food cups on a standard electronic balance to allow animals to eat from these cups through the holes in the bottom of the cage, but do not prevent food from spilling out, nor do they prevent urine and feces from soiling the food, resulting in false increases and decreases in the measurement of food intake.
As described above, the conventional food intake measuring instrument has a problem of low accuracy.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a food intake measuring device can effectively improve the measurement accuracy of food intake.
A first aspect of an embodiment of the present application provides a food intake measuring apparatus, including: a trough and a weighing sensor;
wherein the weighing sensor is arranged at the bottom of the food intake measuring device;
weighing sensor top is equipped with the trough, and the trough includes: a food stacking chamber and a debris collection chamber;
a food feeding channel is arranged above the food groove, a channel inlet is formed in the first side of the food feeding channel, and a food taking opening is formed in the second side of the food feeding channel;
the food taking port is arranged above the food stacking chamber.
In one possible implementation manner of the first aspect, the debris collection chamber includes a support hollow-out net, and the support hollow-out net is disposed at the top of the debris collection chamber.
In a possible implementation form of the first aspect, the feeding pathway is connected to a cage box for storing the laboratory animals through a pathway entrance.
In one possible implementation of the first aspect, the size of the food passageway is calculated from the size of the experimental animal.
In a possible implementation manner of the first aspect, the method further includes: a housing;
the inside valve controller that is equipped with of casing, valve controller and the valve electric connection who is used for sheltering from and gets the edible mouth.
In a possible implementation manner of the first aspect, the method further includes: a monitor;
the monitor is arranged at the top of the food intake passage.
In a possible implementation manner of the first aspect, the method further includes: a processor;
the weighing sensor and the monitor are both connected with the processor.
Compared with the prior art, the utility model discloses a food intake measuring device includes: a trough and a weighing sensor; wherein, the weighing sensor is arranged at the bottom of the food intake measuring device; weighing sensor top is equipped with the trough, and the trough includes: a food stacking chamber and a debris collection chamber; a food feeding channel is arranged above the food groove, a channel inlet is formed in the first side of the food feeding channel, and a food taking opening is formed in the second side of the food feeding channel; the food taking port is arranged above the food stacking chamber. When laboratory animal business turn over eating passageway, because get food mouthful and passageway entry not in same one side, laboratory animal returns on the original way after the food finishes, walk back the passageway entry from getting food mouthful, just can pass through the piece collecting chamber, so food intake measuring device can collect the food piece that laboratory animal was stained with when the food is eaten through the piece collecting chamber, and reweigh, avoided making food intake error that the food intake leads to with the food piece mistake, improved the measurement accuracy to laboratory animal's food intake.
Further, the utility model discloses set up the compactness to the feed channel, prevent that the animal from turning round, and be less than the experimental animals somatic growth, the animal butt can be in the feed channel outside, and the excrement that the experimental animals probably produced can not fall in food intake measuring device yet during the feed.
Preferably, the utility model discloses use powdered or shaft-like food, guarantee that experimental animals can only eat at the scene, can not take away the storage, avoid experimental animals to preserve food and lead to the wrong measurement of food intake, further guarantee the accuracy of food intake measurement.
Finally, the utility model can automatically and continuously monitor, and can obtain 50 groups of monitoring data even every second; the weight of the animal diet, the time spent, the frequency, the weight change of the animal and other data can be monitored; the small-scale mixed feeding can be realized, and the diet data of different animals can be obtained through weight differentiation; by using a plurality of monitors, monitoring of the dietary preferences or food quality of the animal is achieved; the diet of the animals can be prohibited at any time, so that the monitoring in hunger or other more diet modes can be realized; through the identification of the camera to the animal, the monitoring of individual animal diet data of group feeding can be realized.
Drawings
Fig. 1 is a schematic structural diagram of a food intake measuring device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a position relationship of a multi-food intake measuring device according to an embodiment of the present invention;
fig. 3 is a schematic view of a valve covering a food-taking port according to an embodiment of the present invention;
fig. 4 is a schematic view of a closing food intake passage according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, a schematic structural diagram of a food intake measuring apparatus according to an embodiment of the present invention includes: a trough 101 and a load cell 102;
wherein the load cell 102 is provided at the bottom in the food intake measuring device;
the trough 101 is arranged above the weighing sensor 102, and the trough 101 comprises: a food stacking chamber 1011 and a debris collection chamber 1012;
a food feeding channel is arranged above the food groove 101, a channel inlet 103 is arranged on the first side of the food feeding channel, and a food taking opening 104 is arranged on the second side of the food feeding channel;
the food taking port 104 is arranged above the food stacking chamber 1011.
In this embodiment, the debris collection chamber includes a support stencil disposed at a top of the debris collection chamber. Specifically, when the experimental animal enters the feeding channel, the experimental animal firstly steps on the supporting hollow net, and food is taken from the food stacking chamber through the food taking port to take food; simultaneously laboratory animal is when eating food, and partial food piece can be stuck to head and beard, when laboratory animal withdrawed from food channel, can drop in food channel, specifically drops in the piece collecting room through supporting the fretwork net to weigh again food piece, consequently can not lead to the data error.
Furthermore, the food intake passage is compact in arrangement, so that the animals are prevented from turning, the size of the food intake passage is smaller than the size of the experimental animals, the buttocks of the animals can be outside the food intake passage, and excrement possibly generated by the experimental animals cannot fall into the food intake quantity measuring device during food intake.
Preferably, the powdery or rod-shaped food is used, so that the experimental animal can only eat on site and cannot take away the storage, the wrong measurement of the food intake caused by the storage of the food by the experimental animal is avoided, and the accuracy of the food intake measurement is further ensured.
In this embodiment, the feeding pathway is connected to a cage box for holding laboratory animals through the pathway inlet.
In one embodiment, the dimensions of the food passageway are calculated from the dimensions of the experimental animal.
Specifically, in order to prevent the excrement of the experimental animal from possibly polluting food or influencing the stability and accuracy of the food intake measurement result, the size of the food channel is limited according to the size of the experimental animal, for example, the body length of a rat is generally 15-20cm long, the length of the food channel is generally set to 10-12cm, the width is set to 6-8cm, and the height is set to 6.5-8.5cm; in order to ensure that only the head of the experimental animal can enter the feeding opening and the body of the experimental animal cannot enter the feeding opening, the length and the width of the feeding opening are generally limited to be between 2.5cm and 5.5 cm. The relevant dimensions are made for other small animals, such as ferrets, according to their body sizes. In summary, the length of the food passageway is typically 60% to 70% of the length of the experimental animal.
In this embodiment, the method further includes: a housing;
the inside valve controller that is equipped with of casing, valve controller with be used for sheltering from get the valve electric connection of edible mouthful.
In this embodiment, the method further includes: a monitor;
the monitor is arranged at the top of the food intake passage. Specifically, the top of passageway entry and the top of getting the food mouth is located to the monitor, and the monitor includes: the entrance of the channel is provided with a monitor for detecting that the experimental animal enters the channel; the food taking port is provided with a monitor which can monitor whether the experimental animal takes food, the times of taking food, the time of taking food and the like.
In a specific embodiment, the method further comprises: a processor;
the weighing sensor and the monitor are both connected with the processor. Specifically, the weighing sensor and the processor, and the monitor and the processor are connected through wired/wireless connection. Further, still include: and the monitoring and processing module consists of a PLC, a multi-channel transmitter and a power module. The multichannel changer can connect a plurality of weighing sensor simultaneously, and the data of obtaining weighing sensor more than 10 times per second, PLC reads the weight data of multichannel changer memory, direct storage, and the weight data in the multichannel changer of direct reading simultaneously uses dedicated software to carry out the analysis statistics to the weight data after the treater. Further, the valve controller is connected with the processor in a wired/wireless mode.
Considering that the experiment period is long, the temperature and the humidity are changed, and meanwhile, the creep deformation exists when the sensor works for a long time, and the like, data errors can be caused, so that data needs to be collected continuously, but only the data in a special time period is taken for recording and judging. The experimental animal moves in the cage box most of the time and enters the food intake passage only when taking food, the PLC reads the weight data of the weighing sensor all the time, once the experimental animal starts to climb up the food intake passage, the weight data can quickly rise, and the processor calculates the average value of the weight data in a preset time period (the preset time period is generally 1-2 minutes before the weight data quickly rise) and records the average value as the initial weight W1; when the animal quickly climbs into the food intake passage and the change rate of the weight data is relatively stable, calculating the average value W2 of the weight data in the period of time, and taking W2-W1 as the weight of the experimental animal; when the experimental animal does not take food any more, the experimental animal quits from the food intake channel, the weight data begin to rapidly decrease, and when the variation amplitude of the weight data is less than 1%, the time when the experimental animal climbs down the channel is recorded as T3; the average value of the weight data within 1 minute after T3 is calculated is recorded as W3, and W3-W1 is taken as the food consumed by the experimental animal to eat this time, namely the food intake of the experimental animal this time.
Further, the starting time of feeding of the test animals can be tracked by averaging the weight data: and comparing the weight data and the W1 one by one from the moment T3 until the difference value of the weight data and the W1 is less than 1, recording the moment as T1, wherein T1 is the moment when the experimental animal starts to climb to a food channel, and T3-T1 is the time required by the experimental animal for food at this time and is recorded as Ta. Whether the experimental animal has health problems or not is judged by analyzing the change of Ta in the whole experimental process, for example, certain diseases can influence the activity or the limb flexibility of the experimental animal so as to cause the Ta to lengthen, so the disease development process can be gradually known according to the change of Ta. Meanwhile, the difference time between the last T3 and the current T1 is the time from the last diet to the beginning of hungry feeling of the experimental animal, is generally recorded as the satiety time and is recorded as Tb, and the digestibility of different foods can be judged according to Tb. Small laboratory animals are generally kept in cage boxes, which are connected to feed channels via channel inlets. When the experiment is started, the weight data W0 of the empty crib and the supporting hollow net are obtained through the weighing sensor, then food is added into the food stacking chamber of the crib, the weighing module obtains the weight data W4, and the W4-W0 is the net weight of the added food. If there are a plurality of experimental animals and the weight difference is obvious, the eating data of each experimental animal can be distinguished through the data of W2-W1 each time.
Furthermore, two or more openings are formed in the side wall of the cage box, a plurality of food intake measuring devices are configured, different foods are placed in the food grooves of the food intake measuring devices, and the experimental animals can be monitored simultaneously to obtain the preference of the experimental animals to the different foods. Specifically, as shown in fig. 2, fig. 2 is a schematic diagram of a position relationship of a multi-food intake measuring device according to an embodiment of the present invention, wherein fig. 2 includes: cage 2, trough 101, load cell 102, control and processing module 3 and treater 4, trough 101 includes: a food stacking chamber 1011 and a debris collection chamber 1012.
Furthermore, a food prohibition period is set, and when the food prohibition period is set, the processor sends a door closing instruction to the valve controller through the monitoring and processing module, so that the valve controller controls the valve to shield the food taking port or close the food taking channel to prevent the experimental animal from contacting the food. As shown in fig. 3 and fig. 4, fig. 3 is a schematic view of the valve shielding food intake provided by an embodiment of the present invention, and fig. 4 is a schematic view of the closing food intake channel provided by an embodiment of the present invention. Wherein, fig. 3 and fig. 4 both include: cage 2, trough 101, load cell 102, monitoring and processing module 3, processor 4, valve controller 7 and valve 6, trough 101 includes: food stacking chamber 1011 and debris collection chamber 1012
In this embodiment, the food intake measuring apparatus further includes: the camera sets up in the top of feed channel, specifically is to get the top of eating the mouth. The experimental animals raised in a mixed manner are identified in advance, for example, different color marks or digital marks are carried out on the heads of the experimental animals, then image information is obtained according to the cameras, and intelligent identification is carried out on the image information to distinguish different experimental animals, so that diet data of different experimental animals raised in a mixed manner or a group manner can be obtained.
In a preferred embodiment, the water consumption of the laboratory animal can also be monitored, and a water bottle can be hung above the trough stacking chamber, and the water consumption data of the animal can be obtained based on the same principle. Meanwhile, a plurality of monitors are arranged, and different beverages are arranged, so that the drinking preference of experimental animals can be obtained.
As can be seen from the description of the above embodiments, the present invention provides a food intake measuring device including: a trough and a weighing sensor; wherein the weighing sensor is arranged at the bottom of the food intake measuring device; weighing sensor top is equipped with the trough, and the trough includes: a food stacking chamber and a debris collection chamber; a food feeding channel is arranged above the food groove, a channel inlet is formed in the first side of the food feeding channel, and a food taking opening is formed in the second side of the food feeding channel; the food taking port is arranged above the food stacking chamber. When laboratory animal business turn over eating passageway, because get food mouthful and passageway entry not in same one side, laboratory animal returns on the original way after the food finishes, walk back the passageway entry from getting food mouthful, just can pass through the piece collecting chamber, so food intake measuring device can collect the food piece that laboratory animal was stained with when the food is eaten through the piece collecting chamber, and reweigh, avoided making food intake error that the food intake leads to with the food piece mistake, improved the measurement accuracy to laboratory animal's food intake.
Further, the utility model discloses set up the compactness to feed channel, prevent that the animal from turning round, and be less than the experimental animals somatic length, the animal butt can be in the feed channel outside, and the excrement that experimental animals probably produced can not fall in food intake measuring device yet during the feed.
Preferably, the utility model discloses use powdered or shaft-like food, guarantee that experimental animals can only eat at the scene, can not take away the storage, avoid experimental animals to preserve food and lead to the wrong measurement of food intake, further guarantee the accuracy of food intake measurement.
Finally, the utility model can automatically and continuously monitor, and can obtain 50 groups of monitoring data even every second; the weight of the animal diet, the time spent, the frequency, the weight change of the animal and other data can be monitored; the small-scale mixed feeding can be realized, and the diet data of different animals can be obtained through weight differentiation; by using a plurality of monitors, monitoring of the dietary preferences or food quality of the animal is achieved; the animals can be prohibited from eating at any time, and monitoring in hunger or other more eating modes is realized; through the identification of the camera to the animal, the monitoring of individual animal diet data of group feeding can be realized.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (7)
1. A food intake measuring apparatus, comprising: a trough and a weighing sensor;
wherein the weighing sensor is arranged at the bottom of the food intake measuring device;
the weighing sensor top is equipped with the trough, the trough includes: a food stacking chamber and a debris collection chamber;
a food feeding channel is arranged above the food groove, a channel inlet is formed in the first side of the food feeding channel, and a food taking opening is formed in the second side of the food feeding channel;
the food taking port is arranged above the food stacking chamber.
2. A food intake measuring apparatus according to claim 1, wherein the debris collection chamber comprises a supporting hollowed-out mesh disposed at a top of the debris collection chamber.
3. A food intake measuring apparatus according to claim 1, wherein the food intake passageway is connected to a cage box for holding the laboratory animal through the passageway entrance.
4. A food intake measuring apparatus according to claim 3, wherein the dimensions of the food passageway are calculated from the dimensions of the laboratory animal.
5. A food intake measuring apparatus according to claim 1, further comprising: a housing;
the inside valve controller that is equipped with of casing, valve controller with be used for sheltering from get the valve electric connection of edible mouthful.
6. A food intake measuring apparatus according to claim 1, further comprising: a monitor;
the monitor is arranged at the top of the food intake passage.
7. A food intake measuring apparatus according to claim 6, further comprising: a processor;
the weighing sensor and the monitor are both connected with the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222024084.5U CN218330184U (en) | 2022-08-02 | 2022-08-02 | Food intake measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222024084.5U CN218330184U (en) | 2022-08-02 | 2022-08-02 | Food intake measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218330184U true CN218330184U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222024084.5U Active CN218330184U (en) | 2022-08-02 | 2022-08-02 | Food intake measuring device |
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| CN (1) | CN218330184U (en) |
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- 2022-08-02 CN CN202222024084.5U patent/CN218330184U/en active Active
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