CN110855126B - Take self preservation function's isolation power supply output circuit - Google Patents
Take self preservation function's isolation power supply output circuit Download PDFInfo
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- CN110855126B CN110855126B CN201911143071.6A CN201911143071A CN110855126B CN 110855126 B CN110855126 B CN 110855126B CN 201911143071 A CN201911143071 A CN 201911143071A CN 110855126 B CN110855126 B CN 110855126B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0083—Converters characterised by their input or output configuration
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- Engineering & Computer Science (AREA)
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- Direct Current Feeding And Distribution (AREA)
Abstract
The invention relates to an isolated power supply output circuit with a self-protection function, wherein 4 27V power supplies are defined as follows: F27V, M27V, G27V and a 27V; F27V is control 27V, and the switching value command and signal connected with the control circuit of the armed control equipment adopt F27V or F27 VG; G27V is isolation 27V, and the bullet type identification signal, the bullet type identification return wire, the insurance command and the insurance control adopt G27V or G27 VG; A27V safety mechanism 27V, the combat state signal and the insurance state signal adopt A27V or A27 VG; M27V is weapon 27V electricity, becomes stable 28V input relay control board after isolating the power isolation. The invention can effectively realize the self-protection function of the weapon.
Description
Technical Field
The invention relates to a power supply output circuit, in particular to an isolated power supply output circuit with a self-protection function.
Background
When supplying power to underwater weapon equipment, the watertight cable bubble of afterbody behind the weapon transmission is in the sea water, causes the corresponding number position of weapon accuse equipment and produces potential return circuit, leads to the condition that weapon accuse equipment status indicator lamp is lighted unusually after the weapon transmission exit tube, or the wrong loading information suggestion appears, needs to carry out redesign to the isolation power supply output circuit in the weapon accuse equipment.
Disclosure of Invention
The invention aims to design an isolated power supply output circuit with a self-protection function, which is used for solving the problems in the prior art.
The invention relates to an isolated power supply output circuit with a self-protection function, wherein 4 27V power supplies are defined: F27V, M27V, G27V and a 27V; F27V is control 27V, and the switching value command and signal connected with the control circuit of the armed control equipment adopt F27V or F27 VG; G27V is isolation 27V, and the bullet type identification signal, the bullet type identification return wire, the insurance command and the insurance control adopt G27V or G27 VG; A27V safety mechanism 27V, the combat state signal and the insurance state signal adopt A27V or A27 VG; M27V is weapon 27V electricity, becomes stable 28V input relay control panel after isolating the power; a first relay having contacts 1 to 8, a second relay having contacts 9 to 16, a third relay having contacts 17 to 24, and a fourth relay having contacts 25 to 32; after M27V is switched on, power supply block DC/DC outputs 28V and 28VG are isolated and are respectively sent to a point 2 and a point 5 of a first relay K1, a point 7 of the first relay K1 is connected with 28V, a point 8 of the first relay K1 is connected to the point 28VG by utilizing a normally closed contact between a point 9 and a point 10 of a second relay K2, the first relay K1 is closed, points 2 and 3 are conducted, points 5 and 6 are conducted, a point 3 output G27V is output, and a point 6 output G2VG is output; G27V and G27VG are sent to 31 points and 32 points of a fourth relay K4 while outputting to the outside, the fourth relay K4 is closed, 26 points and 27 points are conducted, 29 points and 30 points are conducted, 27 points output A27V to the outside, 30 points output A27VG to the outside, and self-locking output of G27V is achieved; after the weapon is fired, the second relay K2 is closed, the 9 point and the 10 point are opened by a cut-off control command sent by the weapon control equipment, the 8 point of the first relay K1 is suspended, the first relay K1 is opened, the 1 point and the 3 point are opened, the 4 point and the 6 point are opened, the 3 point and the 6 point stop outputting, and G27V and G27VG are cut off; the points 31 and 32 are suspended, the fourth relay K4 is opened, the points 26 and 27 are opened, the points 29 and 30 are opened, the points 27 and 30 stop outputting, and the points A27V and A27VG are cut off; after the second relay K2 is closed, the points 13 and 14 are conducted, the point 15 is connected with the point F27V, the point 16 is connected with the point F27VG through the contact between the point 20 and the point 21, the point K2 realizes self-locking, and after the switching-off control command of the armed control equipment is removed, the point K2 can still be continuously closed.
According to an embodiment of the isolated power supply output circuit with the self-protection function, after the armed control device removes the cut-off control command and issues a self-protection releasing command, the third relay K3 is closed, the 20 point and the 21 point are opened, the 16 point and the F27VG are opened, the second relay K2 is opened, the 9 point and the 10 point are conducted, the 8 point of the first relay K1 is connected with 28VG, and the power supply of G27 and A27V is restored.
An embodiment of the isolated power supply output circuit with self-protection according to the present invention, wherein 28V connects contacts 2, 7 and 9.
An embodiment of the isolated power supply output circuit with self-protection according to the present invention, wherein 28VG connects contacts 5 and 9.
An embodiment of the isolated power supply output circuit with self-protection according to the present invention, wherein G27V connects contacts 3 and 31.
An embodiment of the isolated power supply output circuit with self-protection according to the present invention, wherein G27VG connects contacts 6 and 32.
An embodiment of the isolated power supply output circuit with self-protection function according to the present invention, wherein F27V is connected to contact point 13.
An embodiment of the isolated power supply output circuit with self-protection according to the present invention, wherein F27VG connects contacts 24 and 21.
An embodiment of the isolated power supply output circuit with self-protection function according to the present invention, wherein the cathode of the first diode V1 is connected at 7 points, the anode of the first diode V1 is connected at 8 points, the cathode of the second diode V2 is connected at 15 points, the anode of the second diode V2 is connected at 16 points, the cathode of the third diode V3 is connected at 23 points, the anode of the third diode V3 is connected at 24 points, the cathode of the fourth diode V4 is connected at 31 points, and the anode of the fourth diode V4 is connected at 32 points.
According to an embodiment of the isolated power supply output circuit with self-protection function of the present invention, the control command connection contact 15 is cut off, and the self-protection command connection contact 23 is released.
The invention considers the situation that the potential loop is caused by that the weapon bullet type, safety mechanism insurance and combat state signals need to be collected by the weapon control equipment, so that one end of the winding control end of a part of corresponding collecting relay or one end of an indicator light is soaked in seawater, and the other end of the winding control end of the corresponding collecting relay or one end of the indicator light is connected to direct current 27V or 27V ground for supplying power to the weapon in the weapon control equipment, the 27V power supply used by the part of collecting relay or the indicator light is independently controlled and isolated, and the power supply is directly cut off after the weapon is launched, so that the problem that the potential loop is formed by soaking a cable in the seawater can be avoided.
Drawings
Fig. 1 is a block diagram of an isolated power supply output circuit with self-protection function.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Fig. 1 is a schematic diagram of an isolated power supply output circuit with a self-protection function, and as shown in fig. 1, the isolated power supply output circuit with the self-protection function defines 4 27V voltages: F27V, M27V, G27V and A27V, F27V issue 27V, and the switching value command and signal connected with the control circuit of the armed control device adopt F27V or F27 VG; G27V isolates 27V, and the bullet type identification signal, the bullet type identification return wire, the insurance command and the insurance control adopt G27V or G27 VG; A27V safety mechanism 27V, the combat state signal and the insurance state signal adopt A27V or A27 VG; M27V is weapon 27V electricity (25V ~ 32V), becomes stable 28V input relay control panel after isolating by the isolated power supply, can guarantee the relay and work under rated voltage like this, prolongs the life of relay.
As shown in fig. 1, after M27V is turned on, the isolated power supply blocks DC/DC outputs 28V and 28VG are respectively sent to the 2-point and 5-point of the relay K1, the 7-point of the relay K1 is connected to 28V, the 8-point of the relay K1 is connected to 28VG by using the normally closed contact between the 9-point and 10-point of the relay K2, the relay K1 is closed, the 2-point and 3-point are conducted, the 5-point and 6-point are conducted, the 3-point output G27V is output, and the 6-point output G2VG is output; G27V and G27VG send 31 points and 32 points of K4 while outputting to the outside, K4 is closed, 26 points and 27 points are conducted, 29 points and 30 points are conducted, 27 points to external output A27V, 30 points to external output A27 VG. The self-locking output of G27V is realized.
As shown in fig. 1, after the weapon is fired, the relay K2 is closed by a cut-off control command sent by the weapon control equipment, the 9 point and the 10 point are opened, the 8 point of the K1 is suspended, the relay K1 is opened, the 1 point and the 3 point are opened, the 4 point and the 6 point are opened, the 3 point and the 6 point stop outputting, and the G27V and the G27VG are cut off; the points 31 and 32 are suspended, the K4 is disconnected, the points 26 and 27 are disconnected, the points 29 and 30 are disconnected, the output is stopped at the points 27 and 30, and the A27V and the A27VG are cut off. After the cutting of G27V and A27V, the cable is prevented from forming a potential loop when immersed in seawater.
As shown in FIG. 1, after the relay K2 is closed, the points 13 and 14 are conducted, the point 15 is connected with the point F27V, the point 16 is connected with the point F27VG through the contact between the points 20 and 21, the point K2 realizes self-locking, and after the switching-off control command is removed by the force control equipment, the point K2 can still be continuously closed, so that the self-locking function of the switching-off control is realized.
After the armed control device withdraws the cut-off control command, the armed control device needs to send a self-protection releasing command to restore the power supply of G27 and A27V. After the self-protection releasing instruction is sent out, K3 is closed, 20 points and 21 points are opened, 16 points and F27VG are opened, K2 is opened, 9 points and 10 points are conducted, 8 points of K1 are connected with 28VG, K1 is closed, and power supply of G27 and A27V is recovered.
As shown in fig. 1, the cathode of the diode V1 is connected at point 7, the anode of the diode V1 is connected at point 8, the cathode of the diode V2 is connected at point 15, the anode of the diode V2 is connected at point 16, the cathode of the diode V3 is connected at point 23, the anode of the diode V3 is connected at point 24, the cathode of the diode V4 is connected at point 31, and the anode of the diode V4 is connected at point 32.
The invention considers the situation that the potential loop is caused by that the weapon bullet type, safety mechanism insurance and combat state signals need to be collected by the weapon control equipment, so that one end of the winding control end of a part of corresponding collecting relay or one end of an indicator light is soaked in seawater, and the other end of the winding control end of the corresponding collecting relay or one end of the indicator light is connected to direct current 27V or 27V ground for supplying power to the weapon in the weapon control equipment, the 27V power supply used by the part of collecting relay or the indicator light is independently controlled and isolated, and the power supply is directly cut off after the weapon is launched, so that the problem that the potential loop is formed by soaking a cable in the seawater can be avoided.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An isolated power supply output circuit with a self-protection function is characterized in that 4 27V power are defined: F27V, M27V, G27V and a 27V; F27V is a control 27V, F27VG is a control 27V ground, and the switching value command and signal connected with the control circuit of the armed control equipment adopt F27V or F27 VG; G27V is isolated 27V, G27VG is isolated 27V ground, and the bullet type identification signal, the bullet type identification return wire, the insurance command and the insurance control adopt G27V or G27 VG;
the A27V safety mechanism 27V, the A27VG safety mechanism 27V ground, the combat state signal and the insurance state signal adopt A27V or A27 VG; M27V is weapon 27V electricity, becomes stable 28V input relay control panel after isolating the power;
a first relay having contacts 1 to 8, a second relay having contacts 9 to 16, a third relay having contacts 17 to 24, and a fourth relay having contacts 25 to 32;
after M27V is switched on, power supply block DC/DC outputs 28V and 28VG are isolated and are respectively sent to a point 2 and a point 5 of a first relay K1, a point 7 of the first relay K1 is connected with 28V, a point 8 of the first relay K1 is connected to the point 28VG by utilizing a normally closed contact between a point 9 and a point 10 of a second relay K2, the first relay K1 is closed, points 2 and 3 are conducted, points 5 and 6 are conducted, a point 3 output G27V is output, and a point 6 output G2VG is output; G27V and G27VG are sent to 31 points and 32 points of a fourth relay K4 while outputting to the outside, the fourth relay K4 is closed, 26 points and 27 points are conducted, 29 points and 30 points are conducted, 27 points output A27V to the outside, 30 points output A27VG to the outside, and self-locking output of G27V is achieved;
after the weapon is fired, the second relay K2 is closed, the 9 point and the 10 point are opened by a cut-off control command sent by the weapon control equipment, the 8 point of the first relay K1 is suspended, the first relay K1 is opened, the 1 point and the 3 point are opened, the 4 point and the 6 point are opened, the 3 point and the 6 point stop outputting, and G27V and G27VG are cut off; the points 31 and 32 are suspended, the fourth relay K4 is opened, the points 26 and 27 are opened, the points 29 and 30 are opened, the points 27 and 30 stop outputting, and the points A27V and A27VG are cut off;
after the second relay K2 is closed, the points 13 and 14 are conducted, the point 15 is connected with the point F27V, the point 16 is connected with the point F27VG through the contact between the point 20 and the point 21, the point K2 realizes self-locking, and after the switching-off control command of the armed control equipment is removed, the point K2 can still be continuously closed.
2. The isolated power supply output circuit with self-protection function as claimed in claim 1, wherein after the command for releasing self-protection is issued after the command for controlling the apparatus to remove the cut-off is released, the third relay K3 is closed, the 20 th and 21 st points are opened, the 16 th and F27VG are opened, the second relay K2 is opened, the 9 th and 10 th points are turned on, the 8 th point of the first relay K1 is connected with 28VG, and the power supply of G27 and a27V is restored.
3. The isolated power supply output circuit with self-protection function of claim 1, wherein 28V connects contacts 2 and 7.
4. The isolated power supply output circuit with self-protection function of claim 1, wherein 28 VGs connect the contacts 5 and 9.
5. The isolated power supply output circuit with self-protection function of claim 1, wherein G27V connects contacts 3 and 31.
6. The isolated power supply output circuit with self-protection function of claim 1, wherein G27VG connects contacts 6 and 32.
7. The isolated power supply output circuit with self-protection function of claim 1, wherein F27V is connected to contact point 13.
8. The isolated power supply output circuit with self-protection function of claim 1, wherein F27VG connects contacts 24 and 21.
9. The isolated power supply output circuit with self-protection function of claim 1, wherein the cathode of the first diode V1 is connected at 7 points, the anode of the first diode V1 is connected at 8 points, the cathode of the second diode V2 is connected at 15 points, the anode of the second diode V2 is connected at 16 points, the cathode of the third diode V3 is connected at 23 points, the anode of the third diode V3 is connected at 24 points, the cathode of the fourth diode V4 is connected at 31 points, and the anode of the fourth diode V4 is connected at 32 points.
10. The isolated power supply output circuit with self-protection function as claimed in claim 1, wherein the control command connection contact 15 is turned off and the self-protection command connection contact 23 is released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143071.6A CN110855126B (en) | 2019-11-20 | 2019-11-20 | Take self preservation function's isolation power supply output circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911143071.6A CN110855126B (en) | 2019-11-20 | 2019-11-20 | Take self preservation function's isolation power supply output circuit |
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| CN110855126A CN110855126A (en) | 2020-02-28 |
| CN110855126B true CN110855126B (en) | 2021-12-31 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331064A (en) * | 2014-10-10 | 2015-02-04 | 中国航天科技集团公司第四研究院第四十一研究所 | Bidirectional power supply control circuit for measurement and control equipment and control method thereof |
| CN105305595A (en) * | 2015-12-01 | 2016-02-03 | 中国航天科技集团公司第四研究院第四十一研究所 | Power distribution self holding circuit applied to missile-borne equipment |
| CN206004522U (en) * | 2016-04-25 | 2017-03-08 | 佛山市新光宏锐电源设备有限公司 | A kind of self-locking protective circuit |
| CN110160414A (en) * | 2018-08-20 | 2019-08-23 | 北京机电工程研究所 | A kind of igniting bussed supply control circuit |
-
2019
- 2019-11-20 CN CN201911143071.6A patent/CN110855126B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104331064A (en) * | 2014-10-10 | 2015-02-04 | 中国航天科技集团公司第四研究院第四十一研究所 | Bidirectional power supply control circuit for measurement and control equipment and control method thereof |
| CN105305595A (en) * | 2015-12-01 | 2016-02-03 | 中国航天科技集团公司第四研究院第四十一研究所 | Power distribution self holding circuit applied to missile-borne equipment |
| CN206004522U (en) * | 2016-04-25 | 2017-03-08 | 佛山市新光宏锐电源设备有限公司 | A kind of self-locking protective circuit |
| CN110160414A (en) * | 2018-08-20 | 2019-08-23 | 北京机电工程研究所 | A kind of igniting bussed supply control circuit |
Non-Patent Citations (1)
| Title |
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| GLZ-1型交直流全隔离自动供电电源的研制;段建新等;《地震地磁观测与研究》;20040831;第25卷(第4期);第92-96页 * |
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| CN110855126A (en) | 2020-02-28 |
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