CN201279186Y

CN201279186Y - Environmental stimulation control system

Info

Publication number: CN201279186Y
Application number: CNU2008201540384U
Authority: CN
Inventors: 郑锋
Original assignee: SHANGHAI YISHU INFORMATION TECHNOLOGY Co Ltd
Current assignee: SHANGHAI YISHU INFORMATION TECHNOLOGY Co Ltd
Priority date: 2008-10-14
Filing date: 2008-10-14
Publication date: 2009-07-29
Anticipated expiration: 2018-10-14

Abstract

The utility model relates to the technical field of a tester for stimulation of animals, in particular to an environmental stimulation control system used for animal tests, which consists of a host computer, a main controller, a controller for all test boxes and a test box controller. The utility model is characterized in that the test controller circuit adopts an 8-way stimulating electrode. Compared with the prior art, the environmental stimulation control system adopts the 8-way stimulating electrode and relevant control driving circuit so as to lead the environmental consistency of animal tests and the reliability of the tests to be greatly improved; an isolating circuit is adopted to isolate high-voltage circuits and low-voltage circuits, thus improving the stability and the safety of the system; the application of a starting circuit also guarantees high consistency of the testing time; simultaneously, the self-defined communication protocol is combined, a data check-up algorithm is improved to lead the communication to be stable and the transplant of software and hardware to be very convenient, the storage function of the host computer is combined so as to solve the problem that the infrared detection can not be backtracked; and the short circuit does not have influence to power supply of the circuits and a laboratory so as to reduce the test risk and accidental cost.

Description

The environmental stimulus control system

[technical field]

This utility model relates to animal irritant test Instrument technology field, the environmental stimulus control system that specifically a kind of animal experiment is used.

[technical background]

Environmental stimulus control module is mainly auxiliary be used for Mus doctor behavioristics detection system shuttle back and forth, keep away experiments such as dark, be mainly used in the environmental stimulation of the experimental box of artificial definition generation, general host computer major function is used for the environmental stimulation that the experimenter is provided with experimental box, can be sound, light, three kinds of modes of electricity makes up.In common electricity irritation, animal finds the exploration theory of idiostatic electrode to need 2 times by experience, and the concordance of experimental enviroment is not high enough, and test reliability is not high.

[summary of the invention]

The purpose of this utility model is that the improvement circuit design adopts 8 road stimulating electrodes, improves the reliability of test.

For achieving the above object, design a kind of environmental stimulus control system, mainly connected to form by host computer and master controller, each proof box controller, proof box controller, it is characterized in that: described test controller circuit adopts 8 road stimulating electrodes.

Wherein, described host computer adopts the electrical structure mode of RS-232 interface agreement to be connected with master controller, and master controller adopts 485 bus structures to be connected with each proof box controller.

Described host computer also is provided with video card and adopts video line to be connected with proof box, is convenient to the experimental animal image and observes.

Master controller is connected with each proof box controller and proof box controller, its concrete circuit be connected to the control of master controller and logic circuit successively with the drive circuit of proof box controller, isolate the pole-changing circuit, 8 tunnel stimulating electrode, feedback circuit are connected to form the loop, the outfan of driving and isolation pole-changing circuit also is connected with the acousto-optic output circuit, the acousto-optic output circuit links to each other with the input of feedback circuit, and control and logic circuit also are connected with start-up circuit.

According to the needs that are connected distance, can adopt general repeater to expand connection between described master controller and the proof box controller.

Adopt 40 core cables to be connected between described proof box controller and the proof box.

Described video line adopts the BNC shielded cable.

This utility model compared with prior art adopts control and logic circuit in conjunction with zooperal environment concordance is greatly improved; Adopt 8 tunnel reversals, greatly reduce the probability that animal is found rule, improve test reliability; Adopt buffer circuit that hi-lo circuit is kept apart, improved the stability and the safety of system; The utilization of start-up circuit has also guaranteed the height concordance of test period; Simultaneously in conjunction with self-defining communications protocol, improved the data check algorithm and made communication highly stable, software and hardware is transplanted very convenient, has solved the problem that infrared detection can't be recalled in conjunction with the memory function of host computer; Short circuit does not have influence to circuit and laboratory power supply, reduces experiment risk and unexpected cost.

[description of drawings]

Fig. 1 is the schematic block circuit diagram of this utility model embodiment.

Fig. 2 is electrically connected and the topological structure sketch map for this utility model embodiment's.

Fig. 3 is the experiment process figure of this utility model embodiment.

[specific embodiment]

Below in conjunction with example this utility model is further described.

Native system adopts master-salve distributed structure, the color industrial computer of host computer, and slave computer adopts single-chip microcomputer, and upper and lower computer adopts 485 bus communications, and this cover system is expanded nearly 16 proof boxs simultaneously, wherein,

Host computer is connected with main controller: communication distance and the convenience of considering two devices, this utility model can adopt the electrical structure of 232 agreements, and use self-defining communications protocol, and improved data check algorithm makes communication highly stable, and software and hardware is transplanted also very convenient.

Being connected of master controller and each test controller: consider breadboard different spaces structure, adopt 485 bus structures, can in 1200 meters scopes, finish reliable and stable test,, can also pass through general repeater extended range if surpass this scope.

Being connected of proof box controller and proof box: the autgmentability of tentative module after considering, adopt the large-sized cable of 40 cores, already used sound, light, electrical environment holding wire and the video logic power line of comprising amounts to 24 cores.

Proof box video acquisition: adopt the BNC shielded cable.

Described host computer: running control software is mainly used to the various test necessary datas of inventory analysis;

RS-232 communication interface: the electric conversion function of finishing communication;

Control and logic circuit: cooperate data that host computer is provided with and feedback unit in conjunction with improved PID mediation algorithm, output environment control signal accurately solves the most important environment consistency problem of experiment rapidly;

Drive circuit: the power drive problem that the completion logic circuit can't be finished;

Isolate the buffer circuit in the pole-changing circuit: hi-lo circuit is kept apart, improved the stability and the safety of system;

Isolate the pole-changing circuit in the pole-changing circuit: be a most important improvement in the system, animal is found theoretical the needs 2 times of exploration of idiostatic electrode by experience in common electricity irritation, but the data that native system provides according to behavioristics's research worker are in conjunction with correlation experience, be designed to the pole-changing circuit of conversion electrode, adopt 8 stimulating electrodes, the motor width of reverse is long greater than general animal body, in with the electrode group, can not find idiostatic electrode in theory, the exploration of idiostatic electrode is theoretical to be needed 8 times even if find in different electrode groups, add the harmony of behavior of animal, in entire test, find the probability of idiostatic electrode to exist hardly, the environment concordance of test has been improved greatly.

Start-up circuit: be another important improvement of system, by the Starting mode of software and hardware combining, guaranteed test height concordance in time, relative parameters setting is as follows:

Current range: 0-2.5ma is generally 0.1ma;

Load capacity: 0 (short circuit)-150k ohm;

Reversal: 8 utmost points;

Photostimulation intensity: relevant with selected luminous body, the driving force theoretical value is 45w;

Intensity of sound: 0-130dB;

Sound frequency: 4-25khz.

In the native system circuit, short circuit does not have influence to circuit and laboratory power supply, burns front stage circuits and the tripping operation of laboratory power supply circuits or blow insurance because constant-current characteristics can not make power supply load infinity when electric pole short circuit to cause that power supply stops to influence normal test chamber operation etc.

Claims

1, a kind of environmental stimulus control system is mainly connected to form by host computer and master controller, each proof box controller, proof box controller, and it is characterized in that: described test controller circuit adopts 8 road stimulating electrodes.

2, a kind of environmental stimulus control system as claimed in claim 1 is characterized in that: described host computer adopts the electrical structure mode of RS-232 interface agreement to be connected with master controller, and master controller adopts 485 bus structures to be connected with each proof box controller.

3, a kind of environmental stimulus control system as claimed in claim 1 is characterized in that: described host computer also is provided with video card and adopts video line to be connected with proof box.

4, a kind of environmental stimulus control system as claimed in claim 1, it is characterized in that: described master controller is connected with each proof box controller and proof box controller, its concrete circuit be connected to the control of master controller and logic circuit successively with the drive circuit of proof box controller, isolate the pole-changing circuit, 8 tunnel stimulating electrode, feedback circuit are connected to form the loop, the outfan of driving and isolation pole-changing circuit also is connected with the acousto-optic output circuit, the acousto-optic output circuit links to each other with the input of feedback circuit, and control and logic circuit also are connected with start-up circuit.

5, as claim 1 or 4 described a kind of environmental stimulus control system, it is characterized in that: according to the needs that are connected distance, adopt general repeater to expand connection between described master controller and the proof box controller.

6, a kind of environmental stimulus control system as claimed in claim 1 is characterized in that: adopt 40 core cables to be connected between described proof box controller and the proof box.

7, a kind of environmental stimulus control system as claimed in claim 3 is characterized in that: described video line adopts the BNC shielded cable.