CN209298979U - A kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability - Google Patents
A kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability Download PDFInfo
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- CN209298979U CN209298979U CN201920054455.XU CN201920054455U CN209298979U CN 209298979 U CN209298979 U CN 209298979U CN 201920054455 U CN201920054455 U CN 201920054455U CN 209298979 U CN209298979 U CN 209298979U
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- battery
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- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability, belongs to people's air defense technical field.It includes control module, lithium battery group, battery parameter acquisition module, battery discharge maintenance module, battery heating module, mains-supplied control module, battery power control module, power supply selecting module and fan.The utility model can provide backup power source for alarm device and controller, make it have the ability of secondary alarm.
Description
Technical field
The utility model relates to a kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability, belongs to
People's air defense technical field.
Background technique
People's air defence warning system plays an important role in modern war, and people's air defenses at different levels pass through people's air defence alarm system
System organizes and directs the people and carries out counter-airraid struggle.In time of peace, people's air-defence warning's phase periodically is carried out to the people
Knowledge education is closed, enhancing people's alarm consciousness can reduce casualties in wartime, save effective strength.Encountering nature calamity
When evil, it can be sounded an alarm in time by people's air-defence warning's system, greatly reduce casualties and people's property loss.Therefore people at different levels
The anti-capability to resist destruction for especially paying attention to people's air-defence warning's equipment.
But current alert device is powered using 220V alternating current mostly, when power grid is destroyed, in the region
Alert device will also lose alert capability, not have secondary alert capability.
Utility model content
Aiming at the problems existing in the prior art, the utility model proposes a kind of people's air-defence warnings with secondary alert capability
Power supply managing circuit structure can provide backup power source for alarm device and controller, make it have the energy of secondary alarm
Power.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability comprising control module, lithium
Battery pack, battery parameter acquisition module, battery discharge maintenance module, battery heating module, mains-supplied control module, battery supply
Electric control module, power supply selecting module and fan；
The battery parameter acquisition module includes for acquiring the voltage collection circuit of the lithium battery group cathode voltage, position
In on lithium battery group charge and discharge main line sampling resistor, be respectively used to acquire two of the sampling resistor both end voltage and adopt
Sample circuit, electronic switch and AD conversion chip, two input ports one of described two sample circuits and the electronic switch
One is correspondingly connected with, and the input terminal of the AD conversion chip is connect with an output end of the electronic switch；
The battery discharge maintenance module includes discharge resistance for discharging for lithium battery group and for controlling electric discharge
The first switch of resistance on-off；
The battery heating module includes adding thermal resistance for heating for lithium battery group, for controlling adding thermal resistance on-off
Second switch, and the battery temperature sensor for detecting lithium battery group temperature；
The mains-supplied control module include for detect alternating current whether there is or not detection circuit and for control alternating current supply
The third of electricity output switchs；
The battery power control module includes the 4th switch for controlling battery for electricity output；
The power supply selecting module includes alternating current input interface, at least one other power input interface, for being lithium electricity
The charging interface of pond group charging and multiple 5th switches；Each 5th switch corresponds to an input interface, and for controlling
The on-off of the input interface and the charging interface；
The first switch, second switch, third switch, the 4th switch, the 5th switch, electronic switch and fan by
The control of control module, the AD conversion chip, battery temperature sensor and detection circuit transmit data to control module.
Further, the battery power control module altogether there are two, be respectively used to control lithium battery group to alarm device and
The power supply of controller, wherein the battery power control module for controlling controller power supply further includes for by lithium battery group
Output voltage is converted to the cell voltage conversion module of controller input voltage.
Further, further include line voltage for line voltage to be converted to the supply voltage of alarm device and controller
Conversion module.
Further, the adding thermal resistance is powered by lithium battery group.
Further, further include display module and mobile communication module, the display module and mobile communication module with
The control module connection.
From narration above as can be seen that the beneficial effect of technical solutions of the utility model is:
1, the utility model carries lithium battery group, and can receive multiple power sources input, can be alarm device and controller
Reliable and stable power supply output is provided, can be that alarm device and controller are mentioned by lithium battery group when utility grid is destroyed
Power supply source, thus the ability for making it have secondary alarm.
2, the utility model has the function of battery cell monitoring and maintenance, can be timely charged and discharged to battery pack
Maintenance guarantees that battery is in available mode, improves the reliability of battery.
3, the utility model also has the function of battery heating, can guarantee the normal work of battery under cold conditions,
Further improve the reliability of battery.
Detailed description of the invention
In order to clearly describe this patent, one or more attached drawing is provided below.
Fig. 1 is a kind of structural block diagram of the utility model embodiment；
Fig. 2 is the circuit diagram of control module in the utility model embodiment；
Fig. 3 is the circuit diagram of battery parameter acquisition module in the utility model embodiment；
Fig. 4 is the circuit diagram of detection circuit in the utility model embodiment；
Fig. 5 is the circuit diagram of power supply selecting module in the utility model embodiment；
Fig. 6 is the circuit diagram of control mains-supplied output in the utility model embodiment；
Fig. 7 is the circuit diagram of battery discharge maintenance module in the utility model embodiment；
Fig. 8 is the circuit diagram of battery heating module heating part in the utility model embodiment；
Fig. 9 is the circuit diagram of fan control circuitry in the utility model embodiment.
Wherein, the circuit symbol in Fig. 2~9 is the common knowledge of those skilled in the art, and details are not described herein again.
Specific embodiment
Understanding for the ease of those skilled in the art to the art of this patent scheme, below to this in the form of concrete case
The technical solution of patent is described further.
As shown in Figure 1, a kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability comprising control
Molding block, lithium battery group, battery parameter acquisition module, battery discharge maintenance module, battery heating module, mains-supplied control mould
Block, battery power control module, power supply selecting module and fan.Wherein:
The battery parameter acquisition module includes for acquiring the voltage collection circuit of the lithium battery group cathode voltage, position
In on lithium battery group charge and discharge main line sampling resistor, be respectively used to acquire two of the sampling resistor both end voltage and adopt
Sample circuit, electronic switch and AD conversion chip, two input ports one of described two sample circuits and the electronic switch
One is correspondingly connected with, and the input terminal of the AD conversion chip is connect with an output end of the electronic switch.
Specifically, the circuit diagram of battery parameter acquisition module is as shown in Figure 3.The circuit mainly includes two parts,
The rightmost side is battery voltage acquisition circuit, and rest part is the voltage collection circuit of sampling resistor.The voltage acquisition of sampling resistor
In circuit, the voltage acquired needed for being selected by CD4051 electronic switch is AD converted, to adopt by MCP3421 chip
Collect the voltage at sampling resistor both ends and is transmitted to control module.Control module can be obtained by calculating the voltage at sampling resistor both ends
Know and be currently charged or discharged, and the size of current flow can be calculated.In Fig. 3 circuit, sampling resistor is 0.5m Ω, electricity
Cell voltage Acquisition Circuit voltage collected is the voltage of anode, and load includes maintenance resistance, alarm device, controller, wind
Multiple parallel branches, the on-off of each parallel branch such as fan are controlled by control module, therefore the equivalent resistance loaded is variation
's.
The battery discharge maintenance module includes discharge resistance for discharging for lithium battery group and for controlling electric discharge
The first switch of resistance on-off.Control module timing carries out electric discharge maintenance to battery, in maintenance process, is sensed by battery temperature
Device detects the temperature of battery, opens fan when necessary or stops electric discharge, to prevent apparatus overheat.The circuit diagram of the module
As shown in fig. 7, the circuit diagram of fan control circuitry is as shown in Figure 9.
The battery heating module includes adding thermal resistance for heating for lithium battery group, for controlling adding thermal resistance on-off
Second switch, and the battery temperature sensor for detecting lithium battery group temperature.Control module is sensed according to battery temperature
The detected value of device judges whether to need to heat battery, same to detect electricity by battery temperature sensor in heating process
The real time temperature in pond makes battery temperature maintain a reasonable interval, to guarantee the normal work of battery.The module heating part
The circuit diagram divided is as shown in Figure 8.
The mains-supplied control module include for detect alternating current whether there is or not detection circuit and for control alternating current supply
The circuit of electricity output.Wherein, detection circuit is as shown in figure 4, it has detected whether that 220VAC whether there is by optocoupler；Control
Mains-supplied output circuit as shown in fig. 6, its by control triode, and then control relay mode come control solid-state after
The movement of electric appliance, to control the output of 220VAC.
The battery power control module includes the 4th switch for controlling battery for electricity output, principle and Fig. 6 institute
The mains-supplied control circuit shown is similar, and details are not described herein again.
The power supply selecting module includes alternating current input interface, at least one other power input interface, for being lithium electricity
The charging interface of pond group charging and multiple 5th switches；Each 5th switch corresponds to an input interface, and for controlling
The on-off of the input interface and the charging interface.The circuit of power supply selecting module is as shown in figure 5, the circuit passes through three poles of control
Pipe, and then the mode of relay is controlled to select charge power supply, charge power supply includes 220VAC, solar energy, 3 kinds of wind energy.
The first switch, second switch, third switch, the 4th switch, the 5th switch, electronic switch and fan by
The control of control module, the AD conversion chip, battery temperature sensor and detection circuit transmit data to control module.
The type selecting of control module can be STM32F103RE-T6-LQFP64, and connection circuit is as shown in Figure 2.
Further, the battery power control module altogether there are two, be respectively used to control lithium battery group to alarm device and
The power supply of controller, wherein the battery power control module for controlling controller power supply further includes for by lithium battery group
Output voltage is converted to the cell voltage conversion module of controller input voltage.Cell voltage conversion module is a DC-DC
Module, circuit theory and type selecting mode are the common knowledge of those skilled in the art, and details are not described herein again.
Further, further include line voltage for line voltage to be converted to the supply voltage of alarm device and controller
Conversion module.Current existing some alarm devices and controller have alternating current input interface, its own included line voltage conversion
Module, this electric power management circuit structure can be not provided with line voltage conversion module at this time, for without line voltage modulus of conversion
The alarm device and controller of block built-in line voltage conversion module, line voltage can then turn in this electric power management circuit structure
The principle and type selecting that change the mold block are the common knowledge of those skilled in the art, and details are not described herein again.
Further, the adding thermal resistance is powered by lithium battery group.
Further, this electric power management circuit structure may also include display module, mobile communication module and communication serial port, institute
Display module, mobile communication module and communication serial port is stated to connect with the control module.Display module is used for display control mould
The device parameter that block obtains, mobile communication module can be used for making control module directly and PERCOM peripheral communication, uploading device data, communication
Serial ports can be safeguarded and be arranged to control module convenient for plant maintenance personnel.
To enable the power-supply management system based on this circuit structure to work normally, electricity can be executed in above-mentioned control module
Pond state detection processes, power supply status changeover program, maintenance discharge procedures, battery temperature program and charging procedure, wherein
Battery status detection program is for executing following steps:
(101) by the anode voltage U1 and electric discharge maintenance before the acquisition electric discharge maintenance of battery parameter acquisition module
Anode voltage U2 calculates internal resistance of cell r:
R=(U1-U2)/I；
(102) the cathode voltage U3 of sampling resistor and the cathode voltage of sampling resistor are acquired by battery parameter acquisition module
U4 calculates the electric current I for currently flowing through battery according to known sampling resistor resistance value R:
I=(U3-U4)/R；
(103) battery capacity E is calculated:
E=U+r × I；
U is the current voltage of the anode of battery parameter acquisition module acquisition.
Power supply status changeover program is for executing following steps:
(201) it is detected whether by detection circuit there are alternating current, it is no to then follow the steps if so then execute step (202)
(203)；
(202) control module powered by utility power opens mains-supplied output, and is closed by battery power control module
Battery is for electricity output；
(203) control module powered by utility power closes mains-supplied output, and is opened by battery power control module
Battery is for electricity output.
Further, since there is the circuit of autonomous selection power supply, therefore alarm in alarm device in the prior art and controller
Device and controller can also receive simultaneously battery and alternating current for electricity output.
Maintenance discharge procedures are for executing following steps:
(301) judge whether to receive maintenance instruction or reach maintenance time, if so then execute step (302)；
(302) judge whether the current electric quantity of battery meets discharging condition (such as electricity is 80% or more), if then holding
Row step (303)；
(303) electric discharge maintenance is carried out to battery by battery discharge maintenance module；
(304) stop electric discharge when battery capacity is lower than preset value, for example, the preset value of either shallow maintenance is 60%, depth
The preset value of maintenance is 20%.
Battery temperature program is for executing following steps:
(401) it by battery temperature sensor real-time monitoring battery temperature, is thened follow the steps if battery temperature is more than 40 DEG C
(402), if battery temperature thens follow the steps (403) lower than 0 DEG C；
(402) it opens fan to radiate, and continues through battery temperature sensor monitoring battery temperature, when temperature is lower than
Stop heat dissipation at 38 DEG C；
(403) battery is heated by adding thermal resistance, and continues through battery temperature sensor monitoring battery temperature,
Stop heating when temperature reaches 35 DEG C.
Charging procedure is for executing following steps:
(501) judge whether that receiving charging instruction or battery capacity reaches charge threshold, if so then execute step (502)；
(502) one the 5th switch is closed by power supply selecting module, so that the corresponding electric power of the 5th switch be connected
Input interface, each moment at most only one the 5th close the switch；
(503) detecting sampling resistor both ends by battery parameter acquisition module whether there is voltage difference, so that judgement is current
Whether there is electric current by lithium battery group, voltage difference, thens follow the steps (504) if it does not exist, thens follow the steps (505) if it exists；
(504) step (502)~(503) are repeated in a manner of being closed another the 5th switch；
(505) it is charged with current power input interface to battery pack, until receiving stopping charging instruction, or passes through electricity
Until pond parameter collection module detects that electricity is full of, the 5th switch be currently connected is disconnected.
In short, the utility model carries lithium battery group, and can receive multiple power sources input, it can be alarm device and control
Device provides reliable and stable power supply output, can be alarm device and controller by lithium battery group when utility grid is destroyed
Power supply is provided, thus the ability for making it have secondary alarm.In addition, can be made practical new based on this by working out program appropriate
The power-supply management system of type has the function of battery cell monitoring, heating and maintenance, can battery pack timely be charged and be put
Electricity maintenance, can guarantee the normal work of battery under cold conditions, guarantee that battery is in available mode, and improve battery can
By property.
It should be pointed out that the above specific embodiment is the specific case of this patent implementation, without also can not
All implementations of this patent can be covered, therefore the restriction to the scope of this patent cannot be regarded as；All and above case
Belong to the implementation of same idea or the assembled scheme of above-mentioned several schemes, within the protection domain of this patent..
Claims (5)
1. a kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability, which is characterized in that including control
Module, lithium battery group, battery parameter acquisition module, battery discharge maintenance module, battery heating module, mains-supplied control mould
Block, battery power control module, power supply selecting module and fan；
The battery parameter acquisition module includes for acquiring the voltage collection circuit of the lithium battery group cathode voltage, being located at institute
It states the sampling resistor on lithium battery group charge and discharge main line, be respectively used to acquire two samplings electricity of the sampling resistor both end voltage
Two input ports one of road, electronic switch and AD conversion chip, described two sample circuits and the electronic switch are a pair of
It should connect, the input terminal of the AD conversion chip is connect with an output end of the electronic switch；
The battery discharge maintenance module includes discharge resistance for discharging for lithium battery group and for controlling discharge resistance
The first switch of on-off；
The battery heating module includes the adding thermal resistance for heating for lithium battery group, for controlling adding thermal resistance on-off
Two switches, and the battery temperature sensor for detecting lithium battery group temperature；
The mains-supplied control module include for detect alternating current whether there is or not detection circuit and for controlling mains-supplied it is defeated
Third switch out；
The battery power control module includes the 4th switch for controlling battery for electricity output；
The power supply selecting module includes alternating current input interface, at least one other power input interface, for being lithium battery group
The charging interface of charging and multiple 5th switches；Each 5th switch corresponds to an input interface, and defeated for controlling this
The on-off of incoming interface and the charging interface；
The first switch, second switch, third switch, the 4th switch, the 5th switch, electronic switch and fan are by described
The control of control module, the AD conversion chip, battery temperature sensor and detection circuit are transmitted to the control module
Data.
2. people's air-defence warning's power supply managing circuit structure according to claim 1, which is characterized in that the battery power supply
There are two control module is total, it is respectively used to power supply of the control lithium battery group to alarm device and controller, wherein for controlling control
The battery power control module of device power supply further includes for the output voltage of lithium battery group to be converted to controller input voltage
Cell voltage conversion module.
3. people's air-defence warning's power supply managing circuit structure according to claim 1, which is characterized in that further include for inciting somebody to action
Line voltage is converted to the line voltage conversion module of the supply voltage of alarm device and controller.
4. people's air-defence warning's power supply managing circuit structure according to claim 1, which is characterized in that the adding thermal resistance
It is powered by lithium battery group.
5. people's air-defence warning's power supply managing circuit structure according to claim 1, which is characterized in that further include display mould
Block and mobile communication module, the display module and mobile communication module are connect with the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054455.XU CN209298979U (en) | 2019-01-14 | 2019-01-14 | A kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920054455.XU CN209298979U (en) | 2019-01-14 | 2019-01-14 | A kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209298979U true CN209298979U (en) | 2019-08-23 |
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|---|---|---|---|
| CN201920054455.XU Active CN209298979U (en) | 2019-01-14 | 2019-01-14 | A kind of people's air-defence warning's power supply managing circuit structure with secondary alert capability |
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| Country | Link |
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| CN (1) | CN209298979U (en) |
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- 2019-01-14 CN CN201920054455.XU patent/CN209298979U/en active Active
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