CN103735319B - Be applicable to the animal muscle power limit tolerance test device under environment under high pressure - Google Patents
Be applicable to the animal muscle power limit tolerance test device under environment under high pressure Download PDFInfo
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- CN103735319B CN103735319B CN201410022465.7A CN201410022465A CN103735319B CN 103735319 B CN103735319 B CN 103735319B CN 201410022465 A CN201410022465 A CN 201410022465A CN 103735319 B CN103735319 B CN 103735319B
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Abstract
A kind ofly be applicable to animal muscle power limit tolerance test method under environment under high pressure and device, wherein, the animal muscle power limit tolerance test device be applicable under environment under high pressure comprises: tank, comprise bottom land and cell wall, described bottom land is provided with lowering or hoisting gear, described lowering or hoisting gear comprises bearing platform, is connected and is positioned at the lifting bracket above bearing platform with described bearing platform, described bearing platform table top is provided with sensor, described sensor is used for perception and touches and record the sensor touched time, and sends touching signals when the touching time meets time predetermined value; Control system, after receiving the touching signals that described sensor sends, for promoting described lifting bracket, drives described bearing platform to rise, and, enter tank for recording laboratory animal and raise the time exceeding the water surface to described bearing platform table top.Experimental provision of the present invention not only meets operation and the safety criterion in hyperbar field, and adopts device of the present invention can improve conventional efficient and experimental precision.
Description
Technical field
The present invention relates to a kind of animal movement experimental technique and modeling device, particularly relate to the animal muscle power limit resistance test method under environment under high pressure of being applicable to and device.
Background technology
Overtraining refers to training and recovers, move and motor capacity, stress be unbalance with the state of stress tolerance, mainly manages weight training by unreasonable, excusing from death and causes, and comprises central nervous system and to unify a kind of motion sickness of important support organ lesion.
With reference to figure 1, animal muscle power limit tolerance test device of the prior art is only applicable to atmospheric pressure environment, and be specially the tank 1 of rustless steel or fiberglass making, the length of this tank is 1m, width is 1m, and height is 80cm.Have the water of certain depth in tank 1, this water is used for laboratory animal swimming.When laboratory animal is placed in the process sunk under water to being short of physical strength in water, give manual time-keeping to obtain laboratory animal from putting into water to the time sunk under water, to carry out physical ability screening experiment to the laboratory animal of carrying out after overtraining, physical ability to be crossed or laboratory animal that physical ability is excessively poor is got rid of, thus reduce the larger individual data items of dispersion to the impact of integral experiment result.Because the laboratory animals of more than at least two are at same tank went swimming, can take mutually and hold up, make laboratory animal elongated to the time sunk under water in water, thus the accuracy of impact experiment, so animal muscle power limit tolerance test device of the prior art can only be tested a laboratory animal.When needs many laboratory animals are tested, also can only carry out in turn, spended time is longer, and therefore, the conventional efficient of animal muscle power limit tolerance test device of the prior art is low.In addition, adopt hand-timed method that experimental result can be made to there is subjective bias, therefore, the test data precision of animal muscle power limit tolerance test device of the prior art is not high.Adopt hand-timed method, testing whole process is all manual operation, and error is comparatively large, not necessarily can ensure that each experiment is all successful, and therefore, the speed obtaining practical data is comparatively slow, therefore, from this respect will, also can affect conventional efficient.
Summary of the invention
The problem that the present invention solves is that animal of the prior art muscle power limit tolerance test device is only applicable to atmospheric pressure environment, and conventional efficient is low, test data precision is not high.
For solving the problem, the invention provides a kind of animal muscle power limit tolerance test device being applicable to environment under high pressure, comprising:
Tank, comprise bottom land and cell wall, described bottom land is provided with lowering or hoisting gear, described lowering or hoisting gear comprises bearing platform, is connected and is positioned at the lifting bracket above bearing platform with described bearing platform, described bearing platform table top is provided with sensor, described sensor is used for perception and touches and record the sensor touched time, and sends touching signals when the touching time meets time predetermined value;
Control system, after receiving the touching signals that described sensor sends, for promoting described lifting bracket, drives described bearing platform to rise, and, enter tank for recording laboratory animal and raise the time exceeding the water surface to described bearing platform table top.
Optionally, described sensor is multi-disc, sensor described in multi-disc is matrix arrangement, distance between adjacent two panels sensor is less than or equal to the first preset distance value, and the nearest sensor of described bearing platform mesa boundaries, distance between a line sensor and bearing platform mesa boundaries are less than or equal to second distance predetermined value;
Described in every sheet, sensor comprises: sensing unit, the first timing unit and signal transmitting and receiving unit;
Described sensing unit is used for perception touching, and sends touching signal;
Described first timing unit, for receiving described touching signal and recording the sensing unit touched time;
Signal transmitting and receiving unit, when receiving the touching time meeting time predetermined value, sends touching signals.
Optionally, described sensor is a slice, and border and the described bearing platform mesa boundaries of described sensor are less than or equal to second distance predetermined value;
Described sensor comprises: sensing unit, computing unit, the first timing unit and signal transmitting and receiving unit;
Described sensing unit is used for perception touching, and sends touching signal;
Described computing unit for calculating the touched area of described sensor, and sends touching area of signal when the touched area of sensor meets area predetermined value;
Described first timing unit, for receiving described touching area of signal and recording the sensing unit touched time;
Signal transmitting and receiving unit, when receiving the touching time and touching area of signal that meet time predetermined value, sends touching signals.
Optionally, described first preset distance value is for being more than or equal to 3mm and being less than or equal to 6mm, and described second distance predetermined value is 3mm.
Optionally, described control system comprises:
Driver, is connected with described lifting bracket;
Processing unit, is connected with described actuator electrical, when receiving described touching signals, controls unlatching and the output power value of described driver;
Second timing unit, when receiving experiment enabling signal, starts timing; When receiving experiment end signal, terminate timing.
Optionally, the horizontal range between described bearing platform mesa boundaries and described bottom land border is more than or equal to 1cm and is less than or equal to 2cm.
Optionally, described experimental provision is also applicable to atmospheric pressure environment.
Optionally, described bearing platform comprises table top, the lower surface relative with described table top, the sidewall that is connected with lower surface by table top, the sidewall of described bearing platform and described walls parallel, the distance between the sidewall of bearing platform and described cell wall is for being more than or equal to 1mm and being less than or equal to 2mm.
Optionally, the sidewall of described bearing platform is higher than described table top 20 ~ 40mm.
The present invention also provides a kind of animal muscle power limit tolerance test method under environment under high pressure, comprising:
Above-mentioned animal muscle power limit tolerance test device is provided;
Animal is put into the tank of described device, start the clocking capability of described device simultaneously, start timing;
After described animal is sink to the bearing platform of described device, when bearing platform is raised to higher than the water surface, described timing terminates.
Compared with prior art, technical scheme of the present invention has the following advantages:
Adopt animal of the present invention muscle power limit tolerance test device, when laboratory animal muscle power does not prop up the lowering or hoisting gear sinking down into and be positioned at bottom land, health can with the sensor contacts of bearing platform table top, after sensor senses to the touching of laboratory animal, the time that record sensor is touched, and send touching signals when the touching time meets time predetermined value, that is, after the time to the scheduled time of laboratory animal touch sensor, illustrative experiment animal power exhausts, and sensor can send touching signals to control system.Control system, after receiving the touching signals that sensor sends, controls to promote described lifting bracket, and the position driving bearing platform to be raised up to table top to exceed the water surface, experiment terminates.Control system have recorded laboratory animal and enters tank and raise to bearing platform table top and exceed time of the water surface.Avoid hand-timed subjective bias, therefore, the test data precision of the animal muscle power limit tolerance test device of the technical program is high.In addition, just because of the test data precision of the experimental provision of the technical program is high, can personal error be reduced, thus can ensure that the chance of success of each experiment is large, from this respect, improve conventional efficient; Meanwhile, the test data precision of the experimental provision of the technical program is high, can reduce unnecessary people for maloperation and bring experiment loss, from this respect, can experimental cost be reduced.
Moreover experimental provision of the present invention is studied the physical ability limit of laboratory animal under can be implemented in hyperbaric environment.This hyperbaric environment is for being greater than an atmospheric environment.When carrying out overtraining experiment under above-mentioned hyperbaric environment, experimental system is required far away higher than the requirement under normal pressure, needs the operation and the safety criterion that meet relevant hyperbar field, such as " diver's electricity consumption code under water " (GB16636-2008).Wherein, need the rated voltage of each electric component of whole experimental system, electric current will in critical field, that is, the rated voltage of each electric component of whole experimental system under hyperbaric environment, electric current need to be less than rated voltage, the electric current of each electric component of whole experimental system under atmospheric pressure environment, otherwise very easily cause security incident.The driving device of this experimental system is by controlling rise and the landing of lifting bracket, drive rise and the landing of bearing platform, mechanical realization is simple, accordingly, driving device can be applied to simple circuit connecting mode, therefore, experimental system of the present invention can be tested with less rated voltage, electric current, not only meets operation and the safety criterion in relevant hyperbar field.And, under hyperbaric environment, also can realize the automatization of whole experimentation, reach the object of saving manpower and improving experimental precision simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of animal of the prior art muscle power limit tolerance test device;
Fig. 2 is the schematic top plan view being applicable to the animal muscle power limit tolerance test device of environment under high pressure in the specific embodiment of the invention;
Fig. 3 is the perspective view of the part Experiment device in Fig. 2.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.
Referring to figs. 2 and 3, the animal muscle power limit tolerance test device 2 of the present embodiment comprises:
Tank 21, comprise bottom land and cell wall 210, described bottom land is provided with lowering or hoisting gear, described lowering or hoisting gear comprises bearing platform 212, is connected and is positioned at the lifting bracket 216 above bearing platform with described bearing platform 212, described bearing platform 212 table top is provided with sensor (not shown), described sensor is used for perception and touches and record the sensor touched time, and sends touching signals when the touching time meets time predetermined value;
Control system 41, after receiving the touching signals that described sensor sends, for promoting described lifting bracket 216, described bearing platform 212 is driven to rise, further, enter tank for recording laboratory animal and raise the time exceeding the water surface to described bearing platform 212 table top.
Adopt animal of the present invention muscle power limit tolerance test device, when laboratory animal muscle power does not prop up the lowering or hoisting gear sinking down into and be positioned at bottom land, health can with the sensor contacts of bearing platform table top, after sensor senses to the touching of laboratory animal, the time that record sensor is touched, and send touching signals when the touching time meets time predetermined value, that is, after the time to the scheduled time of laboratory animal touch sensor, illustrative experiment animal power exhausts, and sensor can send touching signals to control system.Control system, after receiving the touching signals that sensor sends, controls to promote described lifting bracket, and the position driving bearing platform to be raised up to table top to exceed the water surface, experiment terminates.Control system have recorded laboratory animal and enters tank and raise to bearing platform table top and exceed time of the water surface.Avoid hand-timed subjective bias, therefore, the test data precision of the animal muscle power limit tolerance test device of the technical program is high.In addition, just because of the test data precision of the animal muscle power limit tolerance test device of the technical program is high, can personal error be reduced, thus can ensure that the chance of success of each experiment is large, from this respect, improve conventional efficient; Meanwhile, the test data precision of the animal of the technical program muscle power limit tolerance test device is high, can reduce unnecessary people for maloperation and the experiment loss that brings, from this respect, can reduce experimental cost.
Moreover the animal muscle power limit tolerance test device of application the technical program carries out experiment and tentatively can understand animal and feel bad ability in the limit of above-mentioned hyperbar underwater environment.Be specially, be greater than to carry out overtraining experiment under an atmospheric hyperbaric environment time, experimental system is required far away higher than the requirement under normal pressure, needs the operation and the safety criterion that meet relevant hyperbar field, such as " diver's electricity consumption code under water " (GB16636-2008).Wherein, need the rated voltage of each electric component of whole experimental system, electric current will in critical field, that is, the rated voltage of each electric component of whole experimental system under hyperbaric environment, electric current need to be less than rated voltage, the electric current of each electric component of whole experimental system under atmospheric pressure environment, otherwise very easily cause security incident.The driving device of this experimental system is by controlling rise and the landing of lifting bracket, drive rise and the landing of bearing platform, mechanical realization is simple, accordingly, driving device can be applied to simple circuit connecting mode, therefore, experimental system of the present utility model can be tested with less rated voltage, electric current, not only meet the operation in relevant hyperbar field and safety criterion but also under hyperbaric environment, also can realize the automatization of whole experimentation, reach the object of saving manpower and improving experimental precision simultaneously.
The present embodiment utilizes compression chamber to realize hyperbaric environment.Experimental provision in the present embodiment needs to be placed in compression chamber tests, and laboratory animal is experiment mouse.Please continue to refer to Fig. 2 and Fig. 3, the animal muscle power limit tolerance test device 2 be applicable under hyperbaric environment specifically comprises:
Tank 21, the present embodiment is cuboid, also can be square, cylinder or Elliptic Cylinder or other shapes well-known to those skilled in the art in other embodiments.In the present embodiment, the long limit of tank 21 is 45 ~ 55cm, broadside is 25 ~ 35cm, height is 55 ~ 65cm.Therefore, the tank of the present embodiment is little relative to tank volume of the prior art, the stacking of tank can be realized, thus more animal muscle power limit tolerance test device 2 can be placed in limited space, the volume of tank 21 should in above-mentioned scope, if the volume of tank 21 is too little, stretch not open during laboratory animal swimming, do not reach the object that laboratory animal carries out swimming in a free state, thus affect the behavior of laboratory animal, make experimental result inaccurate; If the volume of tank 21 is too large, the stacking of tank can not be realized.
Tank 21 comprises bottom land and the cell wall 210 perpendicular to bottom land.Bottom land is provided with lowering or hoisting gear, and lowering or hoisting gear comprises bearing platform 212, is connected and is positioned at the lifting bracket 216 above bearing platform with bearing platform 212.
Lifting bracket 216 comprises the lifting arm 216a being separately fixed at bearing platform 212 both sides and the connecting rod 216b connecting described lifting arm 216a.Connecting rod 216b is higher than bearing platform 212.
Around tank 21, arrange driver mounting bracket 31, driver mounting bracket 31 comprises support bar 311 and the crossbeam 312 being connected described support bar 311.The length of support bar 311 is longer than the length of lifting arm 216a, and is less than the height of pressurized cabin floor to ceiling.Support bar 311 is parallel to lifting arm 216a.Crossbeam 312 is with connecting rod 216b parallel higher than connecting rod 216b.
Driver 411 in control system is arranged on crossbeam 312.The motor (not shown) that described driver 411 comprises coil 411a and drives described coil 411a to rotate.Coil 411a comprises spool and is wrapped in the cotton rope on spool.The one ends wound of cotton rope is on spool, and the other end is connected with connecting rod 216b.When motor driving spool clockwise direction or when counterclockwise rotating, the cotton rope be wrapped on spool increases, and connecting rod 216b mentions by the other end of cotton rope, thus drives bearing platform 212 to do ascending motion.It should be noted that, bearing platform 212 rises along on the direction of cell wall 210, along in cell wall 210 uphill process, bearing platform 212 table top keeps vertical with cell wall 210, that is, bearing platform 212 table top is in level always, prevents the laboratory animal on it from dropping.When bearing platform table top exceedes the water surface, the laboratory animal on table top can be taken out.When motor driving spool counter-rotation, be wrapped in the minimizing of the cotton rope on spool, connecting rod 216b, bearing platform 212 can rely on self gravitational fall.When driver is closed, connecting rod 216b and bearing platform 212 can rely on self gravitational fall.
In the present embodiment, bearing platform 212 is also cuboid, with the mating shapes of described tank 21.In other embodiments, be square, cylinder or Elliptic Cylinder or other shapes well-known to those skilled in the art.Bearing platform 212 comprises table top, the lower surface relative with table top, the sidewall 215 that is connected with lower surface by table top.The sidewall 215 of bearing platform 212 is parallel with cell wall 210, and the distance between the sidewall of bearing platform and cell wall 210 is that 1 ~ 2mm(comprises end points).If the distance between the sidewall of bearing platform 215 and cell wall 210 is too large, the process shaking amplitude that bearing platform rises or lands is too large, and laboratory animal is easily stuck between sidewall 215 and cell wall 210.If the distance between the sidewall of bearing platform 215 and cell wall 210 is too little, in the process that one side bearing platform 212 rises or lands, frictional force is too large, increases equipment loss; On the other hand, laboratory animal comprises Mus and experiment mice in experimental rat, experiment.Even experiment mice, height also can be greater than 6cm.Once laboratory animal sandwiches too little gap place, this gap is very large to the injury of laboratory animal, improves experimental cost.In the present embodiment, the sidewall 215 of bearing platform 212 is higher than table top 20 ~ 40mm.Reason is as follows: (1) prevents laboratory animal from dropping from bearing platform 212.(2) if the sidewall 215 of bearing platform 212 is too many higher than table top, the lifting bracket 216 be then arranged on bearing platform also needs to increase height, and most of pressurized cabin floor to the effective depth of ceiling is generally no more than 1.8 meters on the market, therefore the height of lifting bracket 216 is conditional thus can limits the increase of lifting bracket 216 height.(3) if the sidewall 215 of bearing platform 212 is too high, this sidewall 215 from lifting bracket 216 distance too close to, experiment terminate after, take out laboratory animal difficulty strengthen.If the sidewall 215 of bearing platform 212 is less higher than table top, health easily rides on sidewall 215 by laboratory animal, thus the power extending laboratory animal exhausts the time, impact experiment degree of accuracy, time serious, the foot of laboratory animal rides on sidewall, head above water, thus experiment cannot be proceeded.
The table top of bearing platform 212 is provided with sensor.Sensor is used for the touching of perception laboratory animal, and records the sensor touched time, sends touching signals when the touching time meets time predetermined value, and now illustrative experiment animal has been in power and exhausts state.
The type of described sensor is pressure transducer or infrared ray sensor, such as, is pressure transducer.
It should be noted that, described time predetermined value can the size of experimentally animal artificially set.Through research and performing creative labour, in the present embodiment, time predetermined value is 5s ~ 40s.If the time that time predetermined value is arranged is oversize, the dead probability of laboratory animal is very large, increases experimental cost.If the time that time predetermined value is arranged is too short, laboratory animal is not in power and exhausts state.It should be noted that, consider the adaptive capacity of laboratory animal, laboratory animal tolerance time may increasing and progressively extend with Experiment Training number of times.
The sensor of bearing platform 212 table top can be whole piece or multi-disc.In the present embodiment, sensor is multi-disc (the label 213 representative sensor region in Fig. 2 and Fig. 3).Sensor embeds table top in the mode of matrix.Distance between adjacent two panels sensor is less than or equal to the first preset distance value, and the nearest sensor of described bearing platform mesa boundaries, distance between a line sensor and bearing platform mesa boundaries are less than or equal to second distance predetermined value.Described in every sheet, sensor comprises: sensing unit, the first timing unit and signal transmitting and receiving unit.Described sensing unit is used for perception touching, and sends touching signal; Described first timing unit, for receiving described touching signal and recording the sensing unit touched time; Signal transmitting and receiving unit, when receiving the touching time meeting time predetermined value, sends touching signals.
In the present embodiment, be specially: every sheet sensor is square, the size of every sheet sensor is that 1cm × 1cm ~ 2cm × 2cm(comprises end points), spacing between adjacent two panels sensor, that is, the first preset distance value is that 3mm ~ 6mm(comprises end points), and the nearest sensor of bearing platform mesa boundaries, distance between a line sensor and bearing platform mesa boundaries are less than or equal to 3cm, therefore, second distance predetermined value is 3cm.Why distance between adjacent two panels sensor, the distance between sensor and mesa boundaries set like this, and reason is as follows: when laboratory animal power exhausts, and are that the mode of lying sinks to bearing platform.Laboratory animal, even mice, height also can be greater than 6cm, therefore, contacts two sensors after laboratory animal sinks to bearing platform to I haven't seen you for ages.Therefore, in the present embodiment, when setting that at least described in two panels, sensor is touched, just can start to record the sensor touched time, and when the touching time meets the scheduled time, send touching signals.When laboratory animal only contacts sensor described in a slice, when namely only having that described in a slice, sensor is touched, cannot start to record the sensor touched time, in case the time that the experimental period of follow-up acquisition is not laboratory animal to sink under water in water.Reason is as follows: when laboratory animal only contacts a slice sensor, illustrative experiment animal is not that the mode of lying sinks to the table top of bearing platform, but the table top of bearing platform is sunk in vertical mode, the laboratory animal sinking to the table top of bearing platform in vertical mode does not exhaust effectively.
In other embodiments; the shape of described every sheet sensor also can rectangle, circle, regular polygon; first preset distance value, second distance predetermined value can adjust according to the shape of every sheet sensor, size, also belong within the scope of protection of the invention.
In other embodiments, sensor can be also a slice, is rectangle.The table top of this sheet sensor embed wholly bearing platform and the border of this sheet sensor and described bearing platform border are less than or equal to 3cm.At this moment sensor also comprises computing unit, for the area that calculating sensor is touched by laboratory animal, and sends touching area of signal when the touched area of sensor meets area predetermined value.Area predetermined value is 4cm × 4cm.When the area of laboratory animal touch sensor is greater than 4cm × 4cm, illustrative experiment animal is the mode and sensor contacts of lying, computing unit sends touching area of signal to the first timing unit, first timing unit receives described touching area of signal and records the sensing unit touched time, when signal transmitting and receiving unit receives the touching time and touching area of signal that reach time predetermined value, the laboratory animal illustrating now has been in power and has exhausted state, and signal transmitting and receiving unit can send touching signals.When the area of laboratory animal touch sensor is less than 4cm × 4cm, now laboratory animal is not the mode touch sensor of lying, therefore, this laboratory animal is not be in power to exhaust state, computing unit can not send touching area of signal to the first timing unit, thus makes sensor to send touching signals.It should be noted that why area predetermined value is arranged on 4cm × more than 4cm, be because, even laboratory animal experiment mice now also can with the state of lying and sensor contacts.
In the present embodiment, cell wall 210 is divided into external groove sidevall and internal groove side wall (not shown).Internal groove side wall and external groove sidevall are all transparent.The baffle plate of different colours can be placed in position between internal groove side wall and external groove sidevall, and the baffle plate of different colours can realize the stimulation to laboratory animal in experimentation, and laboratory animal can make different reactions according to different baffle plate colors.Therefore, experimental provision of the present invention can carry out adequate stimulus to laboratory animal, thus has enriched experiment content.In other embodiments, cell wall also can not be divided into external groove sidevall and internal groove side wall, also can not arrange baffle plate, also belong to protection scope of the present invention between external groove sidevall and internal groove side wall.
In the present embodiment, the cell wall that tank width is relative is respectively equipped with water inlet 217 and outlet 218.The position of water inlet 217 and outlet 218 can exchange.Water (water in running water pipe or the water in tank) outside tank flows into tank by water inlet 217; Water in tank is flowed out to outside tank by outlet 218 again.In the present embodiment, with reference to figure 3, be specially: water inlet 217 is divided into internal groove side wall water inlet, external groove sidevall water inlet; Outlet 218 is divided into the outlet of internal groove side wall outlet and external groove sidevall.
With reference to figure 1, the animal muscle power limit tolerance test device 2 in the present embodiment also comprises control system 41.Control system 41, after receiving the touching signals that described sensor sends, for lifting bracket 216, drives bearing platform 212 to rise, and, enter tank to the table top of bearing platform 212 for recording laboratory animal and raise the time exceeding the water surface.Control system 51 is arranged on outside cell wall 210.
Control system 41 comprises driver 411, processing unit 412 and the second timing unit 413.
Driver 411, is connected with the connecting rod 216b of lifting bracket 216 with described bearing platform 212.
Processing unit 412, is electrically connected with driver 411, and when receiving the touching signals that sensor sends, control and drive system 411 opens output power value, and at this moment bearing platform can rise.
In the present embodiment, control system can also comprise the second timing unit 413, when receiving experiment enabling signal, starts timing; When receiving experiment end signal, terminate timing.
In the present embodiment, when laboratory animal enters tank, directly artificial Non-follow control sends experiment enabling signal.In other embodiments, control system can also comprise start unit, and when laboratory animal enters tank, start unit sends experiment enabling signal.
In the present embodiment, send experiment end signal when the table top of bearing platform is increased to and exceeds the water surface and stop.In other embodiments, directly can send experiment end signal by artificial Non-follow control.
In the present embodiment, the second timing unit directly can accept experiment enabling signal and experiment end signal carries out timing.
In other embodiments, processing unit can also accept test enabling signal and experiment end signal in one or both.When receiving experiment enabling signal, send timing commencing signal; When receiving experiment end signal, send timing end signal.When second timing unit receives the timing commencing signal sent from processing unit, start timing; When receiving the timing end signal sent from processing unit, terminate timing.
Therefore, the second timing unit 413 can carry out timing by four kinds of modes:
(1) when receiving experiment enabling signal, timing is started; When receiving experiment end signal, terminate timing.(2) when receiving experiment enabling signal, timing is started; When receiving timing end signal, terminate timing.(3) when receiving timing commencing signal, timing is started; When receiving experiment end signal, terminate timing.(4) when receiving timing commencing signal, timing is started; When receiving timing end signal, terminate timing.
It should be noted that, in animal muscle power limit tolerance test device 2, the temperature of water should be roughly the same with the body temperature of laboratory animal, it is 39 DEG C ~ 43 DEG C, with the swimming instruction making laboratory animal carry out free state under the condition not having additional interference, such as can not be burned or scald dead, can not frost bitten or freeze to death.Or the temperature of the water in animal muscle power limit tolerance test device 2 also can exceed body temperature, carries out swimming test under the heat-resistant limit of laboratory animal.The temperature of described heat-resistant limit is 45 DEG C.And the animal muscle power limit tolerance test device 2 in the present embodiment is applicable to hyperbaric environment, so can by the adjustment regulating the temperature of compression chamber to realize the temperature of water in animal muscle power limit tolerance test device 2.
It should be noted that, by the means of artificial cooling, utilize animal of the present invention muscle power limit tolerance test device can also carry out swimming test under the cold-resistant limit to laboratory animal.The temperature of the described cold-resistant limit is 4 DEG C.Wherein, the means of artificial cooling can be: to flow directly into freezing in advance in tank or between internal groove side wall and external groove sidevall to the water of 4 DEG C and arrange ice cube etc.But animal muscle power limit tolerance test device of the present invention does not adopt the mode of compressor to freeze, because the volume of compressor is too large, is unfavorable for the downsizing of apparatus of the present invention.
In other embodiments, artificial cooling is not carried out to animal muscle power limit tolerance test device and also belong within protection scope of the present invention.
In the present embodiment, control system also comprises display and guidance panel 414, is connected with processing unit 412.Be divided into display floater and guidance panel.Guidance panel is also provided with the action button group of driver 411, Clocked operation button groups etc.Display floater can show experimental animal enter water under sink to time of bearing platform, the parameters such as water temperature.Display and guidance panel 414, driver 411 have unified data-interface respectively, processing unit 412 also has data-interface, correspondingly to connect with the data-interface of display and guidance panel 414, driver 411 respectively, and realization shows and guidance panel 414, the signal between driver 411 and processing unit 412, data are transmitted.
The control system of the present embodiment specifically can control following operation: when laboratory animal enters tank 21, and control system 41 starts timing.When laboratory animal sink down into bearing platform 212 and touch sensor time, when the time contacting described sensor reaches time predetermined value, sensor is triggered to processing unit 412 and sends touching signals, after processing unit 412 receives the touching signals that sensor sends, control unlatching and the output power value of described driver 411, exceed the water surface to be increased to by bearing platform 212.When the table top of bearing platform 212 is increased to and exceeds water surface stopping, control system timing terminates.After laboratory animal is removed from the table top of bearing platform, can people be the action button group of manual operation driver, the closedown of control and drive system or spool is reversed, lands to make bearing platform.
In the present embodiment, when testing a laboratory animal, an above-mentioned animal muscle power limit tolerance test device 2 is adopted to test separately.
When testing multiple laboratory animal simultaneously, animal muscle power limit tolerance test device 2 volume in the present embodiment is smaller, can carry out stacking, to save placement space.Need to arrange preset distance between stacking tank, this preset distance can realize laboratory animal putting into and taking out in the sink.When carrying out stacking to multiple animal muscle power limit tolerance test device, adopt a total control system to control the equipment such as the tank of each animal physical limit tolerance test device simultaneously.Need again to illustrate, the animal of the present embodiment muscle power limit tolerance test device 2 volume is little, carries out stacking to the mode that animal muscle power limit tolerance test device 2 can carry out independent assortment according to the size and shape in space.Both can improve conventional efficient, and can placement space be saved again, and multiple animal muscle power limit tolerance test device 2 adopts same control system, meets large batch of zooperal demand.But this experimental provision is tested in compression chamber, therefore, by floor space and the restriction with electric standard, the stacking quantity of experimental provision is less than the stacking quantity under atmospheric pressure state.
In sum, animal of the present invention muscle power limit tolerance test device 2 is adopted to have the following advantages:
(1) volume of the tank of the present embodiment reduces a lot, and it is also smaller that the control system outside tank cell wall takies volume.In the present embodiment, animal muscle power limit tolerance test device 2 can carry out stacking, independent assortment is carried out according to placement space, more animal muscle power limit tolerance test device 2 can be set in limited space, and, by same control system, stacking tank is controlled, large batch of zoopery demand can be met.
(2) when laboratory animal enters tank, control system timing starts.Bearing platform is set at bottom of gullet, sensor is set on the table top of bearing platform.Sensor and control system closely cooperate, and when laboratory animal sinks to the table top of bearing platform and after reaching time predetermined value, bearing platform can automatically be increased to table top and surface, now, control system timing terminates.After laboratory animal is removed from the table top of the bearing platform raised, control system can realize the automatic landing of bearing platform or control bearing platform landing.Relative to prior art, experimental data (such as, laboratory animal is from entering water to the time sunk under water) precision adopting the device of the present embodiment to obtain is high.
(3) setting of control system, makes experimentation automatization, substantially increases conventional efficient, and eliminates hand-timed deviation, and experimental result precision is also increased substantially.
(4) control system of this experimental provision is by controlling rise and the landing of lifting bracket, drive rise and the landing of bearing platform, mechanical realization is simple, accordingly, control system can be applied to simple circuit connecting mode, therefore, experimental provision of the present invention can be tested with less rated voltage, electric current, not only meets operation and the safety criterion in relevant hyperbar field.And under hyperbaric environment, also can realize the automatization of whole experimentation, reach the object of saving manpower and improving experimental precision simultaneously.
(5) experimental provision in the present embodiment also can be applied to atmospheric pressure environment.
It should be noted that, in other embodiments, when animal muscle power limit tolerance test application of installation is in normal pressure, animal muscle power limit tolerance test device also comprises heater, and described heater is heater strip.Heater strip and cell wall are fitted, and below the water surface.Why reason is set so as follows: (1) can make the temperature of tank keep constant temperature, thus makes the temperature parameter in experimentation be constant by variables transformations, eliminates experimental situation temperature influence factor to the impact of experimental result.(2) heater is electrical heating wire, takes up room less, is beneficial to the downsizing of whole animal muscle power limit tolerance test device.Wherein, the set point that the temperature of tank is passable is 12 DEG C ~ 48 DEG C.Such as, the preference temperature (be more than or equal to 39 DEG C and be less than or equal to 43 DEG C) of laboratory animal is specifically as follows.Such as, the range of temperature (be more than or equal to 11 DEG C and be less than or equal to 29 DEG C) on China coast sea is specifically as follows.Again such as, can also be specifically 44 DEG C ~ 48 DEG C (comprising end points), now, laboratory animal carries out swimming test under heat-resistant limit.
After experimenter artificially sets a heating-up temperature, described control system also for automatically controlling the unlatching of described heater, closedown and output power value, thus realize heater automatic unlatching, automatically to close and input power value automatically.Experimenter can also realize manually opened, the manual-lock of heater and manual output power value.Such as, the switch manual of heater can directly be opened by experimenter.
When control system also comprises display and guidance panel, guidance panel is provided with the action button group of heater.Heater is by carrying out the transmission of signal and data between unified data-interface and processing unit.Be specially:
When the water temperature on display floater is lower than design temperature, the action button group of the heater on experimenter's open operation panel, intensification signal is sent to processing unit, processing unit sends intensification signal to heater, after heater receives intensification signal, automatic unlatching heater, water in tank is heated, after water temperature arrives design temperature, the action button group of the heater on experimenter's shutoff operation panel, shutdown signal is sent to processing unit, processing unit sends shutdown signal to heater, realize the automatic closedown of heater.
In the present invention, it is as follows to carry out animal muscle power limit tolerance test method:.
Perform first step: need according to experimentai batches, in compression chamber, the animal muscle power limit tolerance test device 2 of experimental site size to the present embodiment is assembled.
Perform second step: be connected with water inlet by water inlet pipeline, water outlet pipeline be connected with outlet.
Perform third step: put into laboratory animal in the sink, the timing button while putting into laboratory animal on start-up operation panel.
Perform the 4th step: etc. laboratory animal power exhaust the table top that is sink to bearing platform and after reaching time predetermined value, when the table top of bearing platform is raised to higher than the water surface, timing terminates automatically, the laboratory animal that the power of removing exhausts, bearing platform drop to previous status.
It should be noted that, experimental provision of the present invention comprises following two kinds of application: (1) is when only putting a laboratory animal in each tank, physical ability screening experiment is carried out to the laboratory animal of carrying out after overtraining, physical ability to be crossed or laboratory animal that physical ability is excessively poor is got rid of, thus reduce the larger individual data items of dispersion to the impact of integral experiment result.
(2), after described screening experiment finished by experimental provision of the present invention, also can put the overtraining that many animals carry out many animals in each tank in experimental provision of the present invention, described screening experiment is verified.The result shows, and the experimental precision of described screening experiment is very high.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (9)
1. be applicable to the animal muscle power limit tolerance test device under environment under high pressure, it is characterized in that, comprising:
Tank, comprise bottom land and cell wall, described bottom land is provided with lowering or hoisting gear, described lowering or hoisting gear comprises bearing platform, is connected and is positioned at the lifting bracket above bearing platform with described bearing platform, described bearing platform table top is provided with sensor, described sensor is used for perception and touches and record the sensor touched time, and sends touching signals when the touching time meets time predetermined value;
Control system, after receiving the touching signals that described sensor sends, for promoting described lifting bracket, drives described bearing platform to rise, and, enter tank for recording laboratory animal and raise the time exceeding the water surface to described bearing platform table top.
2. device as claimed in claim 1, it is characterized in that, described sensor is multi-disc, sensor described in multi-disc is matrix arrangement, distance between adjacent two panels sensor is less than or equal to the first preset distance value, and the nearest sensor of described bearing platform mesa boundaries, distance between a line sensor and bearing platform mesa boundaries are less than or equal to second distance predetermined value;
Described in every sheet, sensor comprises: sensing unit, the first timing unit and signal transmitting and receiving unit;
Described sensing unit is used for perception touching, and sends touching signal;
Described first timing unit, for receiving described touching signal and recording the sensing unit touched time;
Signal transmitting and receiving unit, when receiving the touching time meeting time predetermined value, sends touching signals.
3. device as claimed in claim 1, it is characterized in that, described sensor is a slice, and border and the described bearing platform mesa boundaries of described sensor are less than or equal to second distance predetermined value;
Described sensor comprises: sensing unit, computing unit, the first timing unit and signal transmitting and receiving unit;
Described sensing unit is used for perception touching, and sends touching signal;
Described computing unit for calculating the touched area of described sensor, and sends touching area of signal when the touched area of sensor meets area predetermined value;
Described first timing unit, for receiving described touching area of signal and recording the sensing unit touched time;
Signal transmitting and receiving unit, when receiving the touching time and touching area of signal that meet time predetermined value, sends touching signals.
4. device as claimed in claim 2, it is characterized in that, described first preset distance value is for being more than or equal to 3mm and being less than or equal to 6mm, and described second distance predetermined value is 3mm.
5. device as claimed in claim 1, it is characterized in that, described control system comprises:
Driver, is connected with described lifting bracket;
Processing unit, is connected with described actuator electrical, when receiving described touching signals, controls unlatching and the output power value of described driver;
Second timing unit, when receiving experiment enabling signal, starts timing; When receiving experiment end signal, terminate timing.
6. device as claimed in claim 1, it is characterized in that, the horizontal range between described bearing platform mesa boundaries and described bottom land border is more than or equal to 1cm and is less than or equal to 2cm.
7. experimental provision as claimed in claim 1, it is characterized in that, described experimental provision is also applicable to atmospheric pressure environment.
8. experimental provision as claimed in claim 1, it is characterized in that, described bearing platform comprises table top, the lower surface relative with described table top, the sidewall that is connected with lower surface by table top, the sidewall of described bearing platform and described walls parallel, the distance between the sidewall of bearing platform and described cell wall is for being more than or equal to 1mm and being less than or equal to 2mm.
9. experimental provision as claimed in claim 8, it is characterized in that, the sidewall of described bearing platform is higher than described table top 20 ~ 40mm.
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