CN206541428U - Emergency alarm circuit and emergency alarm - Google Patents
Emergency alarm circuit and emergency alarm Download PDFInfo
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- CN206541428U CN206541428U CN201720080399.8U CN201720080399U CN206541428U CN 206541428 U CN206541428 U CN 206541428U CN 201720080399 U CN201720080399 U CN 201720080399U CN 206541428 U CN206541428 U CN 206541428U
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- circuit
- emergency alarm
- rechargeable battery
- radio communication
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Abstract
The utility model discloses a kind of emergency alarm circuit and emergency alarm, wherein, the emergency alarm circuit includes key circuit, radio communication circuit, control circuit, rechargeable battery and power circuit；Wherein, key circuit, receives the input operation of user, sends trigger signal；Circuit is controlled, trigger signal is received, is handled, concurrently send alarm signal to radio communication circuit；Radio communication circuit, receives alarm signal, alarm signal is sent in a wireless form；Rechargeable battery, electric energy is provided for emergency alarm circuit；Power circuit, controls charging, the electric discharge of rechargeable battery, and carry out voltage stabilizing to the output of rechargeable battery.The emergency alarm that technical solutions of the utility model make need not change battery, realize intelligent power supply.
Description
Technical field
The utility model is related to technical field of safety protection, more particularly to a kind of emergency alarm circuit and apply the urgent report
The emergency alarm of alert circuit.
Background technology
Emergency alarm device is a kind of equipment that can realize Rapid Alarm, and user presses alarm dedicated key, intercom with
Maximum acoustic sends alarm or sends predetermined warning message to other terminals or control centre, with most fast speed by alarm
Information is sent.The power supply of existing emergency alarm circuit to it is carried out using power supply directly power supply or using disposable battery
Power supply, and the protection such as excessively stream, overvoltage is not carried out to battery.Need often to change battery using disposable battery, not enough facilitate；And
Directly powered using power supply, then in electric power system failure, emergency alarm can be caused not use, power supply protection and intelligence is not provided with
Energy power supply control, easily infringement is shone into when occurring short circuit, overvoltage to system.
Utility model content
Main purpose of the present utility model is to provide a kind of emergency alarm circuit, it is desirable to provide one kind need not change battery,
And the emergency alarm circuit of energy intelligent power supply.
To achieve the above object, the utility model proposes emergency alarm circuit, including key circuit, radio communication electricity
Road, control circuit, rechargeable battery and power circuit；Wherein,
The key circuit, receives the input operation of user, sends trigger signal；
The control circuit, receives the trigger signal, is handled, and concurrently send alarm signal to radio communication electricity
Road；
The radio communication circuit, receives the alarm signal, the alarm signal is sent in a wireless form；
The rechargeable battery, electric energy is provided for the emergency alarm circuit；
The power circuit, controls charging, the electric discharge of the rechargeable battery, and the output of the rechargeable battery is entered
Row voltage stabilizing.
Preferably, the feeder ear of the power circuit is connected with the rechargeable battery, the output end of the power circuit
The power end with the control circuit and the radio communication circuit is connected respectively；The input of the control circuit is pressed with described
The output end connection of key circuit, the output end of the control circuit is connected with the input of the radio communication circuit.
Preferably, the power circuit includes charge management circuit, protection circuit and mu balanced circuit；The Charge Management electricity
The control end on road is connected with the input of the protection circuit, and the feeder ear of the protection circuit connects with the rechargeable battery
Connect, the output end of the protection circuit is connected with the input of the mu balanced circuit；Wherein,
The charge management circuit, controls charging, the electric discharge of the rechargeable battery；
The protection circuit, overvoltage, excessively stream, short circuit and reverse connecting protection are carried out to the rechargeable battery；
The mu balanced circuit, voltage stabilizing is carried out to the voltage that the rechargeable battery is exported.
Preferably, the power circuit also includes low-voltage testing circuit；The sampling end of the low-voltage testing circuit with it is described
The test side connection of protection circuit, the output end of the low-voltage testing circuit is connected with the voltage detecting end of the control circuit；
The low-voltage testing circuit, detects the output voltage of the rechargeable battery, when the output voltage is less than preset value, sends
Low-voltage signal controls the radio communication circuit to send charge prompting signal to the control circuit by the control circuit.
Preferably, the low-voltage testing circuit includes first resistor, second resistance, 3rd resistor and first switch pipe, institute
The first end for stating first resistor is connected with the test side of the protection circuit, the second end of the first resistor and the described second electricity
The first end connection of resistance, the second end ground connection of the second resistance；The first end of the 3rd resistor also with the protection circuit
Test side connection, the second end of the 3rd resistor is connected with the input of the first switch pipe, the first switch pipe
Output head grounding, the controlled end of the first switch pipe is connected with the second end of the first resistor, the first switch pipe
Input also with it is described control circuit voltage detecting end be connected.
Preferably, the emergency alarm circuit also includes light emitting diode and current-limiting resistance, the sun of the light emitting diode
Pole is connected with power supply, and the negative electrode of the light emitting diode is connected with the first end of the current-limiting resistance, and the of the current-limiting resistance
Two ends are connected with the LED control ends of the control circuit；The control circuit receives the low-voltage signal, controls described luminous
Diode flashes.
Preferably, the key circuit includes button, and the first end of the button is grounded, the second end of the button and institute
State the input connection of control circuit.
Preferably, the control circuit includes single-chip microcomputer, the output of the power end of the single-chip microcomputer and the power circuit
End connection, the input of the single-chip microcomputer is connected with the output end of the key circuit, the output end of the single-chip microcomputer with it is described
The input connection of radio communication circuit.
Preferably, the radio communication circuit is FSK wireless-modulated circuits.
The utility model also proposes a kind of emergency alarm, including key circuit, radio communication circuit, control circuit, can
Rechargeable battery and power circuit；Wherein, the key circuit, receives the input operation of user, sends trigger signal；The control
Circuit, receives the trigger signal, is handled, concurrently send alarm signal to the radio communication circuit；The radio communication
Circuit, receives the alarm signal, the alarm signal is sent in a wireless form；The rechargeable battery, is described urgent
Warning circuit provides electric energy；The power circuit, controls charging, the electric discharge of the rechargeable battery, and to the chargeable electricity
The output in pond carries out voltage stabilizing.
Technical solutions of the utility model by using key circuit, radio communication circuit, control circuit, rechargeable battery and
Power circuit, realizes a kind of emergency alarm circuit.The input operation of user is received by key circuit, and sends trigger signal
, will correspondence by radio communication circuit by controlling circuit to send corresponding alarm signal to radio communication circuit to control circuit
Information send to user terminal or control centre.In addition, the utility model also add rechargeable battery and for that pair can fill
Battery carries out the power circuit of intelligent recharge and discharge control and output protection so that emergency alarm is without frequently changing electricity
Pond, and more intelligent and safe.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the functional block diagram of the embodiment of the utility model emergency alarm circuit one；
Fig. 2 is the functional block diagram of another embodiment of the utility model emergency alarm circuit；
Fig. 3 be Fig. 2 in low-voltage testing circuit circuit diagram.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Key circuit | 530 | Mu balanced circuit |
| 200 | Radio communication circuit | 540 | Low-voltage testing circuit |
| 300 | Control circuit | R1 | First resistor |
| 400 | Rechargeable battery | R2 | Second resistance |
| 500 | Power circuit | R3 | 3rd resistor |
| 510 | Charge management circuit | Q1 | First switch pipe |
| 520 | Protection circuit |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that institute is directional in the utility model embodiment indicates (such as up, down, left, right, before and after ...)
Relative position relation, motion conditions for being only used for explaining under a certain particular pose (as shown in drawings) between each part etc., such as
When really the particular pose changes, then directionality indicates also correspondingly therewith to change.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
It will be understood that the combination of this technical scheme is not present when appearance is conflicting or can not realize, also not in the utility model requirement
Protection domain within.
The utility model proposes a kind of emergency alarm circuit.
Reference picture 1, the emergency alarm circuit include key circuit 100, radio communication circuit 200, control circuit 300, can
Rechargeable battery 400 and power circuit 500；Wherein, the key circuit 100, receives the input operation of user, sends triggering letter
Number；The control circuit 300, receives the trigger signal, is handled, concurrently send alarm signal to the radio communication circuit
200；The radio communication circuit 200, receives the alarm signal, the alarm signal is sent in a wireless form；It is described can
Rechargeable battery 400, electric energy is provided for the emergency alarm circuit；The power circuit 500, controls the rechargeable battery 400
Charging, electric discharge, and voltage stabilizing is carried out to the output of the rechargeable battery 400.
It should be noted that in the utility model embodiment, when the button is pressed by the user, passing through the channel radio
Believe that circuit 200 sends a preset signals to control centre.For example, but user press when needing emergency alarm or dialing ambulance call
Under the key circuit 100 button, the emergency alarm sends a signal to control centre, realizes that a key sends emergency letter
Number, facilitate user.
In the utility model embodiment, the rechargeable battery 400 is realized by lithium battery.
In the present embodiment, the control circuit 300 is realized by being STC15W202S single-chip microcomputers and peripheral circuit.
Technical solutions of the utility model by using key circuit 100, radio communication circuit 200, control circuit 300, can
Rechargeable battery 400 and power circuit 500, realize a kind of emergency alarm circuit.The input of user is received by key circuit 100
Operation, and trigger signal is sent to circuit 300 is controlled, by controlling circuit 300 to send corresponding alarm signal to radio communication
Circuit 200, is sent corresponding information to user terminal or control centre by radio communication circuit 200.In addition, the utility model
It also add rechargeable battery 400 and the power supply for carrying out intelligent recharge and discharge control and output protection to rechargeable battery 400
Circuit 500 so that emergency alarm is without frequently changing battery, and more intelligent and safe.
Specifically, the feeder ear of the power circuit 500 is connected with the rechargeable battery 400, the power circuit 500
Output end be connected respectively with the control circuit 300 and the power end of the radio communication circuit 200；The control circuit
300 input is connected with the output end of the key circuit 100, the output end and the channel radio of the control circuit 300
Believe the input connection of circuit 200.
In the utility model embodiment, input and the standard external MICRO USB chargings of the power circuit 500
Mouth is connected.
Reference picture 2, specifically, the power circuit 500 include charge management circuit 510, protection circuit 520 and voltage stabilizing electricity
Road 530；The control end of the charge management circuit 510 is connected with the input of the protection circuit 520, the protection circuit
520 feeder ear is connected with the rechargeable battery 400, the output end of the protection circuit 520 and the mu balanced circuit 530
Input is connected；Wherein,
The charge management circuit 510, controls charging, the electric discharge of the rechargeable battery 400；
The protection circuit 520, overvoltage, excessively stream, short circuit and reverse connecting protection are carried out to the rechargeable battery 400；
The mu balanced circuit 530, voltage stabilizing is carried out to the voltage that the rechargeable battery 400 is exported.
It should be noted that the rechargeable battery 400 is charged by the linear electricity of constant current constant voltage, the charge management circuit
Whether the 510 detection rechargeable batteries 400 are full of, and such as electricity is full, then controls battery to stop charging, in addition the charging valve
Reason circuit 510 also detects whether the charging of the rechargeable battery 400 is abnormal, stops charging if abnormal, and send alarm.
The charge management circuit 510 is realized by HM4054B constant current constant voltage linear-charging chips.
The protection circuit 520, user detect the rechargeable battery 400 realized by DW01 chips, in institute
State occur when rechargeable battery 400 is powered short circuit, electric current big, both positive and negative polarity reversal connection, charging input voltage it is excessive when to circuit and
Battery is protected.
Specifically, the power circuit 500 also includes low-voltage testing circuit 540；The sampling of the low-voltage testing circuit 540
End is connected with the test side of the protection circuit 520, the output end of the low-voltage testing circuit 540 and the control circuit 300
Voltage detecting end connection；The low-voltage testing circuit 540, detects the output voltage of the rechargeable battery 400, when described defeated
When going out voltage less than preset value, low-voltage signal is sent to the control circuit 300, the nothing is controlled by the control circuit 300
Line telecommunication circuit 200 sends charge prompting signal.
Reference picture 3, specifically, the low-voltage testing circuit 540 include first resistor R1, second resistance R2,3rd resistor
R3 and first switch pipe Q1, the first end of the first resistor R1 is connected with the test side of the protection circuit 520, and described first
Resistance R1 the second end is connected with the first end of the second resistance R2, the second end ground connection of the second resistance R2；Described
Test side of the three resistance R3 first end also with the protection circuit 520 is connected, the second end of the 3rd resistor R3 with it is described
First switch pipe Q1 input connection, the output head grounding of the first switch pipe Q1, the first switch pipe Q1's is controlled
End is connected with the second end of the first resistor R1, the input of the first switch pipe Q1 also with the circuit 300 that controls
Voltage detecting end is connected.
It should be noted that when the electricity of rechargeable battery 400 is relatively low, the voltage swing at the ends of first resistor R1 second
Reduction, when the voltage is less than preset value, the first switch pipe Q1 shut-offs, the second terminal voltage of the 3rd resistor R3 is drawn
Height, the low-voltage testing circuit 540 sends a low-voltage signal to control circuit 300, and then realizes the monitoring to battery electric quantity.
Specifically, the emergency alarm circuit also includes light emitting diode and current-limiting resistance, the sun of the light emitting diode
Pole is connected with power supply, and the negative electrode of the light emitting diode is connected with the first end of the current-limiting resistance, and the of the current-limiting resistance
Two ends are connected with the LED control ends of the control circuit 300；The control circuit 300 receives the low-voltage signal, controls institute
State LED flash.
It should be noted that light emitting diode is set on emergency alarm circuit, when the low battery of rechargeable battery 400
When, by controlling circuit 300 to control LED flash, to point out user's rechargeable battery 400 to need to be charged.
Specifically, the key circuit 100 includes button, and the first end of the button is grounded, the second end of the button
It is connected with the input of the control circuit 300.
Specifically, the control circuit includes single-chip microcomputer, and the power end of the single-chip microcomputer is defeated with the power circuit 500
Go out end connection, the input of the single-chip microcomputer is connected with the output end of the key circuit 100, the output end of the single-chip microcomputer and
The input connection of the radio communication circuit 200.
Specifically, the radio communication circuit 200 is FSK wireless-modulated circuits.
Technical solutions of the utility model pass through key circuit 100, radio communication circuit 200, control circuit 300, chargeable
Battery 400 and power circuit 500, realize a kind of emergency alarm circuit.By using rechargeable battery 400 and corresponding power supply
Circuit 500 so that emergency alarm need not change battery, and the stable safety of output, improve the stability of instrument.This practicality is new
Type also add low-voltage testing circuit 540, when the brownout of the rechargeable battery 400, pass through radio communication circuit 200
Timely low pressure alarm is sent to user, points out user to charge in time.The utility model eliminates artificial change and promptly reported
The step of alert circuit battery, and the detection of the low pressure with battery and circuit protection function, more intelligently.
The utility model also proposes a kind of emergency alarm, and the emergency alarm includes emergency alarm as described above electricity
Road, the concrete structure of the emergency alarm circuit is with reference to above-described embodiment, because emergency alarm employs above-mentioned all embodiments
Whole technical schemes, therefore all beneficial effects for being brought of technical scheme at least with above-described embodiment, herein no longer
Repeat one by one.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of emergency alarm circuit, it is characterised in that including key circuit, radio communication circuit, control circuit, chargeable electricity
Pond and power circuit；Wherein,
The key circuit, receives the input operation of user, sends trigger signal；
The control circuit, receives the trigger signal, is handled, concurrently send alarm signal to the radio communication circuit；
The radio communication circuit, receives the alarm signal, the alarm signal is sent in a wireless form；
The rechargeable battery, electric energy is provided for the emergency alarm circuit；
The power circuit, controls charging, the electric discharge of the rechargeable battery, and the output of the rechargeable battery is carried out surely
Pressure.
2. emergency alarm circuit as claimed in claim 1, it is characterised in that the feeder ear of the power circuit fills with described
Battery is connected, and the output end of the power circuit connects with the power end for controlling circuit and the radio communication circuit respectively
Connect；It is described control circuit input be connected with the output end of the key circuit, it is described control circuit output end with it is described
The input connection of radio communication circuit.
3. emergency alarm circuit as claimed in claim 2, it is characterised in that the power circuit include charge management circuit,
Protection circuit and mu balanced circuit；The control end of the charge management circuit is connected with the input of the protection circuit, described to protect
The feeder ear of protection circuit is connected with the rechargeable battery, the output end of the protection circuit and the input of the mu balanced circuit
Connection；Wherein,
The charge management circuit, controls charging, the electric discharge of the rechargeable battery；
The protection circuit, overvoltage, excessively stream, short circuit and reverse connecting protection are carried out to the rechargeable battery；
The mu balanced circuit, voltage stabilizing is carried out to the voltage that the rechargeable battery is exported.
4. emergency alarm circuit as claimed in claim 3, it is characterised in that the power circuit also includes low pressure and detects electricity
Road；The sampling end of the low-voltage testing circuit is connected with the test side of the protection circuit, the output of the low-voltage testing circuit
The voltage detecting end with the control circuit is held to be connected；The low-voltage testing circuit, detects the output electricity of the rechargeable battery
Pressure, when the output voltage is less than preset value, sends low-voltage signal to the control circuit, by the control circuit control institute
State radio communication circuit and send charge prompting signal.
5. emergency alarm circuit as claimed in claim 4, it is characterised in that the low-voltage testing circuit include first resistor,
Second resistance, 3rd resistor and first switch pipe, the first end of the first resistor are connected with the test side of the protection circuit,
Second end of the first resistor is connected with the first end of the second resistance, the second end ground connection of the second resistance；It is described
Test side of the first end of 3rd resistor also with the protection circuit is connected, and the second end of the 3rd resistor is opened with described first
Close the input connection of pipe, the output head grounding of the first switch pipe, the controlled end of the first switch pipe and described first
The second end connection of resistance, the input of the first switch pipe is also connected with the voltage detecting end for controlling circuit.
6. the emergency alarm circuit as described in claim 4 or 5, it is characterised in that also including light emitting diode and current-limiting resistance,
The anode of the light emitting diode is connected with power supply, and the first end of the negative electrode of the light emitting diode and the current-limiting resistance connects
Connect, the second end of the current-limiting resistance is connected with the LED control ends of the control circuit；The control circuit receives described low
Signal is pressed, the LED flash is controlled.
7. the emergency alarm circuit as described in any one of claim 1 to 5, it is characterised in that the key circuit includes button,
The first end ground connection of the button, the second end of the button is connected with the input of the control circuit.
8. emergency alarm circuit as claimed in claim 7, it is characterised in that the control circuit includes single-chip microcomputer, the list
The power end of piece machine is connected with the output end of the power circuit, the output of the input of the single-chip microcomputer and the key circuit
End connection, the output end of the single-chip microcomputer is connected with the input of the radio communication circuit.
9. emergency alarm circuit as claimed in claim 7, it is characterised in that the radio communication circuit is FSK wireless-modulateds
Circuit.
10. a kind of emergency alarm, it is characterised in that including the emergency alarm circuit as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720080399.8U CN206541428U (en) | 2017-01-20 | 2017-01-20 | Emergency alarm circuit and emergency alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720080399.8U CN206541428U (en) | 2017-01-20 | 2017-01-20 | Emergency alarm circuit and emergency alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541428U true CN206541428U (en) | 2017-10-03 |
Family
ID=59939259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720080399.8U Active CN206541428U (en) | 2017-01-20 | 2017-01-20 | Emergency alarm circuit and emergency alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541428U (en) |
-
2017
- 2017-01-20 CN CN201720080399.8U patent/CN206541428U/en active Active
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