CN201108502Y - Electric-controlled large mouse medulla spinalis damnification striking device - Google Patents
Electric-controlled large mouse medulla spinalis damnification striking device Download PDFInfo
- Publication number
- CN201108502Y CN201108502Y CNU2007201312218U CN200720131221U CN201108502Y CN 201108502 Y CN201108502 Y CN 201108502Y CN U2007201312218 U CNU2007201312218 U CN U2007201312218U CN 200720131221 U CN200720131221 U CN 200720131221U CN 201108502 Y CN201108502 Y CN 201108502Y
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- circuit
- hitting
- steady state
- time
- electromagnetic
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- Percussion Or Vibration Massage (AREA)
Abstract
The utility model discloses an electrical control rat spinal cord injury hitting device which belongs to the technical field of medical devices. The device includes a complete-machine power supply, an electromagnetic relay, an electromagnet and a hitting button; the device also includes a double steady state electromagnetic circuit and a time presetting circuit; one end of the hitting button is connected to the S end of a RS double steady state trigger in the double steady state electromagnetic circuit, and the other end is connected to an electronic switch on the time presetting circuit. The electromagnetic circuit and the time presetting circuit are arranged in parallel and connected by the hitting button. The electromagnetic circuit is a double steady state circuit, and the RS double steady state trigger leads the circuit to produce turning signal; in the time presetting circuit, a presetting calculator controlled by the electronic switch regularly (100ms) outputs the turning signal. The utility model has the advantages that the device can finish instantaneous hitting within constant time (100ms), prevent repeated hitting, so as to provide convenience for the biological and medical researchers to better research the spinal cord injury.
Description
Technical field
This utility model relates to the cause injury percussion device of rat spinal cord of a kind of automatically controlled timing, can realize that especially moment constantly finishes the device that Spinal Cord Injury in Rats is hit.
Technical background
Classical traditional AllenShi weight weighs down striking (Waiting-dropping WD) and adopts the weight freely falling body rat spinal cord of causing injury, it is general in the world spinal cord injury model in the present acute spinal cord injury research, but owing to adopt the cord suspension method mostly, exist external force action time non-constant, repeat defectives such as strike, influenced the analysis of the stability and the experimental result of experimental model.
Summary of the invention
The purpose of this utility model is: overcoming existing Spinal Cord Injury in Rats percussion device can not finish the deficiency that moment hits and repeat to hit with the constant time, and a kind of automatically controlled Spinal Cord Injury in Rats percussion device that can realize finishing with the constant time (100ms) moment strike process by the electromagnetic circuit control system is provided.
The purpose of this utility model is achieved by the following technical solution: a kind of automatically controlled Spinal Cord Injury in Rats percussion device, and it comprises complete machine power supply, electromagnetic relay, electric magnet and strike button; It is characterized in that: also comprise bistable electro magnetic circuit and time preset circuit, hit the S end that button one end is connected to RS flip and flop generator in the bistable electro magnetic circuit, the other end is connected to the electrical switch in the time preset circuit.Electromagnetic circuit and time preset circuit be arranged in parallel, and both are connected by hitting button.
Electromagnetic circuit is a bistable circuit, and the RS flip and flop generator makes circuit produce energizing signal; The prset counter of being controlled by electrical switch in the time preset circuit is (100ms) output switching activity signal regularly.
The utility model has the advantages that: the moment that can finish the constant time (100ms) is hit process, avoids repeating hitting, for biological, medical research personnel carry out the spinal cord injury research work better and brought convenience.
Description of drawings
Below in conjunction with drawings and Examples this utility model is described in further detail.
Fig. 1 is an axonometric chart of the present utility model;
Fig. 2 hits the vertical section structural map of support for this utility model;
Fig. 3 is a strike time controlled system block diagram of the present utility model;
Fig. 4 hits the time control circuit schematic diagram for this utility model.
Among the figure: 1, complete machine power supply, 2, the RS flip and flop generator, 3, electromagnetic relay, 4, electric magnet, 5, peening hammer, 6, the CD4040 crystal oscillator, 7, electrical switch, 8, prefabricated enumerator, 9, drive circuit relatively, 10, hit button.
The specific embodiment
As shown in Figure 1, complete machine power supply 1 is opened complete machine control circuit conduction time and is started working, and carries out the setting of strike time by electrical switch 7 earlier, can press then and hit button 10 enforcement strikes.Attention must in time be turned off the complete machine power supply after strike finishes, otherwise electric magnet often between the energising heat production too much, solenoid is burnt.
As shown in Figure 2, peening hammer 5 is held by electric magnet 4, is in attracting state when complete machine power supply 1 energising, when hitting button 10 and pressing, electric magnet 4 outages, peening hammer 5 falls, the strike time arrives, electric magnet 4 again electric adhesive, peening hammer 5 risings.
As shown in Figure 3, complete machine power supply 1, RS flip and flop generator 2, electromagnetic relay 3, electric magnet 4 link to each other with peening hammer 5; CD4040 crystal oscillator 6, electrical switch 7, the prefabricated enumerator 8 of CD40173, comparison drive circuit 9 and strike button electromagnetic relay 3 link to each other, and hit button 10 1 ends and connect electrical switch 7.
As shown in Figure 4:
(1) time preset circuit
● high-order time preset circuit is by high-order time preset switch S B
1, four or two input nand gate IC circuit
11(CD4011), rest-set flip-flop IC
10(CD4013), crystal triode VT
1, high-order seven-segment numeric indicator H forms.When original state, SB
1For often opening IC
113 feet be output as zero, IC
10S
2Be high potential, VT
1Lead pain, high-order number is shown as zero.When clicking SB
2The time, IC
113 feet output overturn, make IC
10S
2Become electronegative potential, VT
1End, high-order digital demonstration H is shown as 1, thereby has finished presetting of high bit time 1S.
● low level time preset circuit is by low level time preset switch S B
2, four or two input nand gate IC circuit
14(CD4011), rest-set flip-flop IC
10(CD4013), four forward-backward counter IC
2(CD40173), the BCD seven-segment decoder IC that has lock function
1(CD45130) and seven-segment numeric indicator L form; SB when initial
2For often opening IC
14Be output as " 0 ", IC
10No-output, IC
2The no count pulse of CP end import IC
2Terminal count output Q
1=Q
2=Q
3=Q
4=0, IC
1The anti-phase output of decoding a, b, c, d, e, f be highlighted g entirely for low dark, seven segment numerical L is shown as zero.When clicking S
2The time, IC
14IC is overturn in output
10Export a count pulse to IC
2CP end, IC
2Carry out exporting corresponding binary-coded decimal after the plus coujnt, this sign indicating number is input to IC
1Carry out decimal scale decoding back and make the digital L of demonstration demonstrate corresponding numeral, again by a S
2, IC
10Export a count pulse again to IC
2Carry out plus coujnt, and decoding outputs to IC
1, IC1 exports corresponding driving signal then makes the digital L of demonstration demonstrate corresponding ten's digit, and the like can finish presetting of low bit time.
(2) clock generating circuit
● clock generating circuit holds agitator IC9 (CD4060) by group and its frequency divider is formed, outer meeting resistance R and capacitor C and the formation of CD4060 internal inverters are vibrated, behind the frequency division from its Q
40.001 second pulse signal of foot output, this signal is through decimal scale count splitter IC
6(CD4017) carry out ten minutes frequency back by its Q
9Export 0.01 second pulse signal, when four or two input nand gate IC circuit
11This signal continued to be fed into the clock signal that obtains 0.1S after decimal scale count splitter IC5 (CD4017) carries out very frequently once more when (CD4011) 11 opened, and this signal is sent into four up counter IC
4(CD40173) CP end is as basic count pulse.
(3) hit time control circuit
● hit control knob SB when clicking
3The time, rest-set flip-flop IC
8S
2Set, IC
812 feet be output as low, crystal triode VT
2Cut and to cause, the relay K outage discharges, and peening hammer falls to hitting starts building to do; Simultaneously, IC
8S
1Set, IC
8Q
1Be " 1 ", IC
1110 open IC
9Q
4The foot signal is transferred to IC
13Carry out frequency division and handle the back by its Q
9The output delay pulse is to IC
7Its 13 foot is output as " 1 " after triggering input CP, thereby makes IC
1111 open IC
6Time-base signal sent into IC
5Send into IC behind the frequency division once more
4Carry out plus coujnt, IC
54 binary-coded decimals of output are to IC after carrying out plus coujnt
312,3,7,9 feet, work as IC
3P
1～P
4And Q
1～Q
4End input signal its 19 foot output low level when identical makes IC
1211 foot output switching activities be high level, diode D
3Conducting, IC
8R
2Set, IC
812 foot output switching activities be high potential, VT
2Conducting, relay get electric adhesive, and peening hammer rises and resets, and once hits release; Meanwhile, IC
12The high level of the 11 feet output clear terminal that is input to each frequency division, enumerator respectively make it to reset.
(4) localpower partly adopt+5V and+the 9V dc power supply, can be undertaken obtaining after blood pressure lowering, rectifying and wave-filtering, the voltage stabilizing by alternating current 220V, this paper repeats no more.
Operation principle is: electric magnet was controlled to be attracting state through bistable circuit when the complete machine on and off switch was opened.In the time preset circuit, crystal oscillator CD4040, electrical switch, prefabricated enumerator CD40173, comparison drive circuit, electromagnetic relay, electric magnet and electromagnetic attraction rod (peening hammer) link to each other, and the pulse signal of crystal oscillator CD4040 generation fixed frequency reaches the prefabricated enumerator of CD40173 through electrical switch and counts.Hit button one end and link to each other with the S end of RS flip and flop generator in the electromagnetic circuit, the other end links to each other with electrical switch in the time preset circuit.Produce two triggering signals when button is pressed when hitting: a triggering signal is delivered to the S end of RS flip and flop generator, makes the bistable circuit upset, the electric magnet outage, and magnetic disappears, the peening hammer free-falling; Another triggering signal is delivered to an end of electrical switch input through monostable circuit, this moment, the other end of electrical switch input reached CD 40173 prefabricated enumerators with the pulse that the CD4040 crystal oscillator produces fixed frequency, the prefabricated enumerator of CD40173 output switching activity signal behind 100ms makes the audion conducting, the normally opened contact closure of relay, the electric magnet energising, produce magnetic absorption electromagnet rod (peening hammer) once more and break away from the rat spinal cord surface, finish the strike overall process.
Claims (2)
1, a kind of automatically controlled Spinal Cord Injury in Rats percussion device, it comprises complete machine power supply (1), electromagnetic relay (3), electric magnet (4) and hits button (10), it is characterized in that: also comprise bistable electro magnetic circuit (2) and time preset circuit, hit the S end that button (10) one ends are connected to RS flip and flop generator in the bistable electro magnetic circuit, the other end is connected to the electrical switch (7) in the time preset circuit.
2, automatically controlled Spinal Cord Injury in Rats percussion device according to claim 1, it is characterized in that: electromagnetic circuit and time preset circuit be arranged in parallel, and both are connected by hitting button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201312218U CN201108502Y (en) | 2007-12-05 | 2007-12-05 | Electric-controlled large mouse medulla spinalis damnification striking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201312218U CN201108502Y (en) | 2007-12-05 | 2007-12-05 | Electric-controlled large mouse medulla spinalis damnification striking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201108502Y true CN201108502Y (en) | 2008-09-03 |
Family
ID=39893015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201312218U Expired - Fee Related CN201108502Y (en) | 2007-12-05 | 2007-12-05 | Electric-controlled large mouse medulla spinalis damnification striking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201108502Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779987A (en) * | 2010-03-16 | 2010-07-21 | 胡建中 | Acute spinal cord injury animal model modeling impactor |
| CN102160823A (en) * | 2011-01-17 | 2011-08-24 | 上海长征医院 | Impaction device and method for establishing anterior malleolar impaction syndrome animal model |
| CN102379752A (en) * | 2011-08-22 | 2012-03-21 | 中南大学湘雅医院 | Automatic electric-control gravity-type striker for constructing acute spinal cord injury animal model |
| CN102670324A (en) * | 2012-06-15 | 2012-09-19 | 中国人民解放军第四军医大学 | High-precision injury device for animal experiment |
| CN106236309A (en) * | 2016-08-22 | 2016-12-21 | 中国康复研究中心 | A kind of big animal spinal cord moment impact damage model modeling beating device |
-
2007
- 2007-12-05 CN CNU2007201312218U patent/CN201108502Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101779987A (en) * | 2010-03-16 | 2010-07-21 | 胡建中 | Acute spinal cord injury animal model modeling impactor |
| CN101779987B (en) * | 2010-03-16 | 2011-04-06 | 胡建中 | Acute spinal cord injury animal model modeling impactor |
| CN102160823A (en) * | 2011-01-17 | 2011-08-24 | 上海长征医院 | Impaction device and method for establishing anterior malleolar impaction syndrome animal model |
| CN102160823B (en) * | 2011-01-17 | 2013-03-13 | 上海长征医院 | Impaction device and method for establishing anterior malleolar impaction syndrome animal model |
| CN102379752A (en) * | 2011-08-22 | 2012-03-21 | 中南大学湘雅医院 | Automatic electric-control gravity-type striker for constructing acute spinal cord injury animal model |
| CN102379752B (en) * | 2011-08-22 | 2014-05-28 | 中南大学湘雅医院 | Automatic electric-control gravity-type striker for constructing acute spinal cord injury animal model |
| CN102670324A (en) * | 2012-06-15 | 2012-09-19 | 中国人民解放军第四军医大学 | High-precision injury device for animal experiment |
| CN102670324B (en) * | 2012-06-15 | 2015-02-25 | 中国人民解放军第四军医大学 | High-precision injury device for animal experiment |
| CN106236309A (en) * | 2016-08-22 | 2016-12-21 | 中国康复研究中心 | A kind of big animal spinal cord moment impact damage model modeling beating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20101205 |