CN107733070A - Self solve lock power-switching circuit - Google Patents
Self solve lock power-switching circuit Download PDFInfo
- Publication number
- CN107733070A CN107733070A CN201710814018.9A CN201710814018A CN107733070A CN 107733070 A CN107733070 A CN 107733070A CN 201710814018 A CN201710814018 A CN 201710814018A CN 107733070 A CN107733070 A CN 107733070A
- Authority
- CN
- China
- Prior art keywords
- sampling resistor
- thermal cell
- operational amplifier
- reference source
- logic judgment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Abstract
The invention discloses one kind to self solve lock power-switching circuit, it includes thermal cell power switch etc., 3rd sampling resistor, first a reference source is all connected the output end and thermal cell power switch of the first logic judgment operational amplifier with the electrode input end of the first logic judgment operational amplifier, first sampling resistor, second sampling resistor connects, first sampling resistor is connected with the second sampling resistor, 3rd sampling resistor is connected with the first a reference source, 4th sampling resistor is connected with the second a reference source, 4th sampling resistor, negative input of second a reference source all with the second logic judgment operational amplifier is connected.The present invention can effectively prevent carrier aircraft power supply and under the grid-connected power supply state of thermal cell on bullet, in thermal cell activation, after thermal cell has an impact to carrier aircraft power work on bullet, and thermal cell activates, thermal cell power supply reliably exports problem.
Description
Technical field
The present invention relates to power supply appliance field, and lock power-switching circuit is self solved more particularly to one kind.
Background technology
At present, air-to-air missile interface mainly implements GJB 1188A-99《Aircraft/hanger electric connection system interface will
Ask》, air-to-air missile power standard mainly implements GJB 1019A-2006《Air-to-air missile power supply general specification》.According to above-mentioned standard
Specified in task hanger interface requirement, air-to-air missile under hook state from airborne dc source to airborne equipment power.
Powered after MISSILE LAUNCHING from thermal cell on bullet to airborne equipment.Thermal cell belongs to the molten salt chemical power supply for once activating and using,
The heating melting of nonconducting solid-state salt electrolyte is entered using the heating system of battery in itself by work in ionic conductor
State.Electrolyte is in high resistant passive state before thermal cell activation, and resistance value reaches mega-ohms, battery open circuit voltage very little.Thermal cell
In activation, its internal resistance is gradually reduced, and output voltage gradually rises.Now, there is grid-connected power supply in carrier aircraft power supply and thermal cell
State.If being not provided with firing mount power-switching circuit, may cause to jump to permission under guided missile power supply terminal or airborne power supply voltage
Phenomenon below scope, threaten carrier aircraft safety.
Therefore, how to solve in thermal cell activation, carrier aircraft power supply steadily switches with thermal cell on bullet, reliably turns electricity
Problem, which turns into, one of must solve the problems, such as.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and self solve lock power-switching circuit, are swashed with solving thermal cell
During work, carrier aircraft power supply steadily switches with thermal cell on bullet, reliably turns the problem of electricity.
The present invention is that solve above-mentioned technical problem by following technical proposals：One kind self solves lock Power convert electricity
Road, it is characterised in that it includes thermal cell power switch, the first logic judgment operational amplifier, the first sampling resistor, second adopted
Sample resistance, the 3rd sampling resistor, the first a reference source, airborne power switch, the second logic judgment operational amplifier, the 4th sampling electricity
Resistance, the 5th sampling resistor, the 6th sampling resistor, the second a reference source, the 3rd sampling resistor, the first a reference source are all sentenced with the first logic
The electrode input end of disconnected operational amplifier connects the output end of the first logic judgment operational amplifier and thermal cell power switch, the
One sampling resistor, the connection of the second sampling resistor, the first sampling resistor are connected with the second sampling resistor, the 3rd sampling resistor and first
A reference source is connected, and the 4th sampling resistor is connected with the second a reference source, and the 4th sampling resistor, the second a reference source are all sentenced with the second logic
The negative input connection of disconnected operational amplifier, the output end of the second logic judgment operational amplifier and airborne power switch, the
Five sampling resistors, the connection of the 6th sampling resistor, the 5th sampling resistor are connected with the 6th sampling resistor, the first sampling resistor, the 3rd
Sampling resistor, the 4th sampling resistor, the 5th sampling resistor, thermal cell power switch, airborne power switch all link together.
Preferably, the thermal cell power switch, the first logic judgment operational amplifier, the first sampling resistor, second are adopted
Sample resistance, the 3rd sampling resistor, the first a reference source form thermal cell control change-over circuit, airborne power switch, the on a bullet
Two logic judgment operational amplifiers, the 4th sampling resistor, the 5th sampling resistor, the 6th sampling resistor, the second a reference source form one
Individual airborne power supply controls change-over circuit.
Preferably, connect between first sampling resistor and the 4th sampling resistor and loaded on a bullet.
Preferably, it is described to self solve thermal cell, an airborne equipment, a carrier aircraft on lock power-switching circuit and a bullet
Power supply connects.
The positive effect of the present invention is：The present invention is realized to carrier aircraft power supply by increasing output control change-over circuit
And thermal cell power supply output control, influence of the thermal cell to carrier aircraft power supply under grid-connected power supply is avoided, so that missile power supply
System power supply ability is more stable.In addition, thermal cell power output circuit, which possesses, self solves lock function, thermal cell activation is completed
Afterwards, possess permanent fan-out capability, improve power supply reliability.The present invention solves the problems, such as it is how effectively to prevent carrier aircraft power supply and bullet
Under the upper grid-connected power supply state of thermal cell, in thermal cell activation, thermal cell has an impact to carrier aircraft power work on bullet；With
And after thermal cell activates, thermal cell power supply reliably exports problem.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the present invention.
Fig. 2 is the circuit diagram that the present invention self solves lock power-switching circuit.
Embodiment
Present pre-ferred embodiments are provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.
As shown in Figure 1 to Figure 2, the present invention self solves lock power-switching circuit with being set on thermal cell on a bullet, a bullet
A standby, carrier aircraft power supply connection.Lock power-switching circuit is self solved to may be constructed on a bullet with thermal cell, airborne equipment on bullet
Power supply.
The present invention, which self solves lock power-switching circuit, includes thermal cell power switch K1, the first logic judgment operational amplifier
N1, the first sampling resistor R1, the second sampling resistor R2, the 3rd sampling resistor R3, the first a reference source Z1, airborne power switch K2,
Second logic judgment operational amplifier N2, the 4th sampling resistor R4, the 5th sampling resistor R5, the 6th sampling resistor R6, the second base
Quasi- source Z2, the 3rd sampling resistor R3, the first a reference source Z1 connect with the first logic judgment operational amplifier N1 electrode input end
Connect the first logic judgment operational amplifier N1 output end and thermal cell power switch K1, the first sampling resistor R1, the second sampling
Resistance R2 connections, the first sampling resistor R1 connect with the second sampling resistor R2, and the 3rd sampling resistor R3 and the first a reference source Z1 connect
Connect, the 4th sampling resistor R4 is connected with the second a reference source Z2, and the 4th sampling resistor R4, the second a reference source Z2 sentence with the second logic
Disconnected operational amplifier N2 negative input connection, the second logic judgment operational amplifier N2 output end and airborne power switch
K2, the 5th sampling resistor R5, the 6th sampling resistor R6 connections, the 5th sampling resistor R5 connect with the 6th sampling resistor R6, and first
It is sampling resistor R1, the 3rd sampling resistor R3, the 4th sampling resistor R4, the 5th sampling resistor R5, thermal cell power switch K1, airborne
Power switch K2 links together.
Thermal cell power switch K1, the first logic judgment operational amplifier N1, the first sampling resistor R1, the second sampling resistor
R2, the 3rd sampling resistor R3, the first a reference source Z1 form a bullet on thermal cell control change-over circuit, airborne power switch K2,
Second logic judgment operational amplifier N2, the 4th sampling resistor R4, the 5th sampling resistor R5, the 6th sampling resistor R6, the second base
Quasi- source Z2 forms an airborne power supply control change-over circuit, so convenient to distinguish and use.
Connected between first sampling resistor R1 and the 4th sampling resistor R4 on a bullet and load R7, it is so convenient to produce on bullet
Load sampled voltage.
The operation principle of the present invention is as follows：Carrier aircraft power supply is more than bullet to load supplying on bullet, now carrier aircraft supply voltage V3
Upper load sampled voltage V2, now the second logic judgment operational amplifier N2 outputs high level, airborne power switch K2 are connected, from
And airborne power supply is realized, thermal cell activates on bullet, and now thermoelectricity cell voltage V1 slowly rises on bullet, and thermal cell has activated on bullet
Into now sampled voltage, which is more than on bullet, loads sampled voltage V2, the first logic judgment operational amplifier N1 output high level, thermoelectricity
Pond power switch K1 is connected, and so as to realize that thermal cell is powered, after thermal cell Voltage Establishment on bullet, sampled voltage perseverance is higher than bullet
Upper load sampled voltage V2, therefore thermal cell power switch K1 permanent connections after thermal cell activates, realize Self-unlocking work(
Can, thermoelectricity cell voltage V1 is higher than airborne power supply voltage V3 on bullet, and now the second logic judgment operational amplifier N2 exports low level,
Carrier aircraft power switch K2 disconnects, so as to realize carrier aircraft power cut-off.
In summary, provided by the present invention for firing mount Power convert, after thermal cell activates, thermal cell power supply is opened
Pass realizes permanent connection, it is ensured that Onboard battery power supply reliability, in thermal cell activation and thermal cell power supply process,
Thermal cell realizes autonomous grid-connected power supply with airborne power supply on bullet, and interference will not be produced between power supply.It is of the invention main
It is to control it to power airborne equipment after the power-up of carrier aircraft power supply, realizes thermal cell on the bullet of power supply after thermal cell activation on bullet
Power supply automatic unlocking exports.It is of the invention effectively to realize firing mount Power convert, and thermal cell is completed after activating on bullet, firing mount
Thermal cell power output power supply change-over circuit is in permanent on-state in power-switching circuit, and power-switching circuit, which realizes, to be self solved
Lock；In addition, in the present invention, employ and cut off from comparison circuit, the output of carrier aircraft power supply after thermal cell output voltage stabilization, effectively
Thermal cell output is prevented to have an impact carrier aircraft power supply.
Particular embodiments described above, technical problem, technical scheme and the beneficial effect of the solution to the present invention are carried out
It is further described, should be understood that the specific embodiment that the foregoing is only of the invention, be not limited to
The present invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in this
Within the protection domain of invention.
Claims (4)
1. one kind self solves lock power-switching circuit, it is characterised in that the lock power-switching circuit that self solves includes thermal cell
Power switch, the first logic judgment operational amplifier, the first sampling resistor, the second sampling resistor, the 3rd sampling resistor, the first base
Quasi- source, airborne power switch, the second logic judgment operational amplifier, the 4th sampling resistor, the 5th sampling resistor, the 6th sampling electricity
Resistance, the second a reference source, the 3rd sampling resistor, the first a reference source all connect with the electrode input end of the first logic judgment operational amplifier
The output end and thermal cell power switch, the first sampling resistor, the second sampling resistor for connecing the first logic judgment operational amplifier connect
Connect, the first sampling resistor is connected with the second sampling resistor, and the 3rd sampling resistor is connected with the first a reference source, the 4th sampling resistor with
Second a reference source connects, the negative input of the 4th sampling resistor, the second a reference source all with the second logic judgment operational amplifier
Connection, output end and airborne power switch, the 5th sampling resistor, the 6th sampling resistor of the second logic judgment operational amplifier connect
Connect, the 5th sampling resistor is connected with the 6th sampling resistor, the first sampling resistor, the 3rd sampling resistor, the 4th sampling resistor, the 5th
Sampling resistor, thermal cell power switch, airborne power switch all link together.
2. according to claim 1 self solve lock power-switching circuit, it is characterised in that the thermal cell power switch,
First logic judgment operational amplifier, the first sampling resistor, the second sampling resistor, the 3rd sampling resistor, the first a reference source are formed
On one bullet thermal cell control change-over circuit, airborne power switch, the second logic judgment operational amplifier, the 4th sampling resistor,
5th sampling resistor, the 6th sampling resistor, the second a reference source form an airborne power supply control change-over circuit.
3. according to claim 1 self solve lock power-switching circuit, it is characterised in that first sampling resistor and
Connect between four sampling resistors and loaded on a bullet.
4. according to claim 1 self solve lock power-switching circuit, it is characterised in that described to self solve lock Power convert
Circuit is connected with thermal cell, an airborne equipment, a carrier aircraft power supply on a bullet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814018.9A CN107733070B (en) | 2017-09-11 | 2017-09-11 | Self-unlocking power conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814018.9A CN107733070B (en) | 2017-09-11 | 2017-09-11 | Self-unlocking power conversion circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107733070A true CN107733070A (en) | 2018-02-23 |
| CN107733070B CN107733070B (en) | 2021-01-22 |
Family
ID=61204980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710814018.9A Active CN107733070B (en) | 2017-09-11 | 2017-09-11 | Self-unlocking power conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107733070B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082485A (en) * | 2019-11-26 | 2020-04-28 | 上海空间电源研究所 | Thermal battery system with voltage output management function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363968U (en) * | 2011-12-14 | 2012-08-01 | 陕西千山航空电子有限责任公司 | Dual-power input selection and power reverse connection prevention circuit |
| CN103079314A (en) * | 2012-12-28 | 2013-05-01 | 电子科技大学 | Multipath current-source switching device |
| CN204721079U (en) * | 2015-04-20 | 2015-10-21 | 北京航天自动控制研究所 | Dual-power automatic switching and charging circuit |
| CN106532917A (en) * | 2016-12-08 | 2017-03-22 | 北京卫星制造厂 | High-reliability output isolation control circuit for main power supply and backup power supply |
| CN206195457U (en) * | 2016-08-31 | 2017-05-24 | 重庆宇通系统软件有限公司 | Dual supply warning automatic switch -over surge protection module |
-
2017
- 2017-09-11 CN CN201710814018.9A patent/CN107733070B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363968U (en) * | 2011-12-14 | 2012-08-01 | 陕西千山航空电子有限责任公司 | Dual-power input selection and power reverse connection prevention circuit |
| CN103079314A (en) * | 2012-12-28 | 2013-05-01 | 电子科技大学 | Multipath current-source switching device |
| CN204721079U (en) * | 2015-04-20 | 2015-10-21 | 北京航天自动控制研究所 | Dual-power automatic switching and charging circuit |
| CN206195457U (en) * | 2016-08-31 | 2017-05-24 | 重庆宇通系统软件有限公司 | Dual supply warning automatic switch -over surge protection module |
| CN106532917A (en) * | 2016-12-08 | 2017-03-22 | 北京卫星制造厂 | High-reliability output isolation control circuit for main power supply and backup power supply |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082485A (en) * | 2019-11-26 | 2020-04-28 | 上海空间电源研究所 | Thermal battery system with voltage output management function |
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| Publication number | Publication date |
|---|---|
| CN107733070B (en) | 2021-01-22 |
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