CN111669877B - LED emergency lamp - Google Patents
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- CN111669877B CN111669877B CN201910125558.5A CN201910125558A CN111669877B CN 111669877 B CN111669877 B CN 111669877B CN 201910125558 A CN201910125558 A CN 201910125558A CN 111669877 B CN111669877 B CN 111669877B
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
An LED emergency light, its characterized in that: the LED lamp comprises an LED module, wherein the LED module is provided with an LED current sampling module, an LED lamp strip and an LED switch; the number of LED modules is at least 2; the first end of the conductive channel of the LED switch of the LED module is connected with the second end of the conductive channel of the third switch; in the LED module: the second end of the conductive channel of the LED switch is connected with the first end of the LED lamp strip; in the LED module: the input end of the LED current sampling module is connected with the second end of the LED lamp strip; the grounding end of the LED current sampling module of the LED module is connected with the Ground (GND). An emergency lamp is provided with the LED module. The invention has low cost, simple structure and long service life, can find faults in time, can find the problems of battery bulging and the like in time, and creates a new idea.
Description
Technical Field
The invention relates to a lamp, in particular to an LED emergency lamp.
Background
Illumination that is enabled due to a power failure for normal illumination is referred to as emergency illumination. Emergency lighting differs from general lighting in that it includes: standby lighting, evacuation lighting and safety lighting. The conversion time is determined according to actual engineering and relevant specification. Emergency lighting is an important safety facility for modern public and industrial buildings, which is closely related to personal safety and building safety. When a fire or other disasters happen to a building and the power supply is interrupted, emergency lighting plays an important role in evacuation of personnel, fire rescue work, important production, continuous operation of work or necessary operation and disposal.
The LED emergency lamp in the prior art has the problems that faults can not be found in time, the battery swells, liquid leaks to cause faults, and partial lamp beads are damaged and are not found, the service life is short and the like.
Disclosure of Invention
In order to solve the problems, the invention designs an LED module and an emergency lamp.
An LED module comprises an LED module, wherein the LED module is provided with an LED current sampling module, an LED lamp strip and an LED switch;
the number of LED modules is at least 2;
the first end of the conducting channel of the LED switch of the LED module is connected with the second end of the conducting channel of the third switch;
in the LED module: the second end of the conductive channel of the LED switch is connected with the first end of the LED lamp strip;
in the LED module: the input end of the LED current sampling module is connected with the second end of the LED lamp strip;
the grounding end of an LED current sampling module of the LED module is connected with a ground point (GND);
the signal of an LED current sampling module of the LED module is connected with the control module, and the control module can acquire the current intensity of the LED lamp strip through the LED current sampling module of the LED module;
the control end of the LED switch of the LED module is connected with the control module, and the control module can control the conductive channel of the LED switch of the LED module.
The lamp strip is made of green LED lamp beads, the LED switch is a PMOS (P-channel metal oxide semiconductor), the LED switch is an NMOS (N-channel metal oxide semiconductor), the LED switch is a triode, the LED switch is a JFET (junction field effect transistor), and the LED switch is a mechanical relay, a solid-state relay or a reed switch.
The technical effects are as follows:
the invention has low cost, simple structure and long service life, can find faults in time, can find the problems of battery bulging and the like in time, and creates a new idea.
Drawings
Fig. 1 is a schematic diagram of the framework of embodiment 1 of the present invention.
Fig. 2 is a flow chart of 'main flow' of embodiment 1 of the present invention.
Fig. 3 is a schematic flow chart of 'mains input detection' in embodiment 1 of the present invention.
Fig. 4 is a schematic flow chart of the 'super capacitor test' in embodiment 1 of the present invention.
Fig. 5 is a schematic flow chart of the 'charging operation' in embodiment 1 of the present invention.
Fig. 6 is a schematic flow chart of 'reducing the P-point voltage' in embodiment 1 of the present invention.
Fig. 7 is a schematic flow chart of 'increasing P-point voltage' in embodiment 1 of the present invention.
Fig. 8 is a schematic view of the lighting' process in embodiment 1 of the present invention.
Fig. 9 is a schematic view of the 'light-out' flow of embodiment 1 of the present invention.
Fig. 10 is a schematic 'alarm' flow diagram of embodiment 1 of the present invention.
Fig. 11 is a schematic structural view of a resistive sheet of embodiment 26 of the present invention.
Fig. 12 is a schematic structural view of a resistor sheet according to example 26 of the present invention bonded to a battery.
Detailed Description
Embodiment 1, as in fig. 1-10, an LED emergency light, characterized by: the system comprises a control module, a fault warning lamp, a mains supply interface, an AC-DC converter, a first switch, a second switch, a third switch, a discharge resistor, a super capacitor, a first sampling module, a digital-to-analog conversion module, a charge adjustable resistor, a charge inductor, a first diode (D1), a second diode (D2), a second voltage sampling module, a bulge detection module, a battery, a first current sampling module, an LED module, an electricity saving P and an electricity saving Q;
the fault warning lamp is electrically connected with the control module, the control module can control the on and off of the fault warning lamp, and the fault warning lamp is used for reminding workers that the LED emergency lamp has a fault and needs to be maintained when the fault occurs;
the commercial power interface is connected with an alternating current interface of the AC-DC converter, and the AC-DC converter is used as a direct current power supply;
the direct current output end of the AC-DC converter is connected to an electrical node P through a conductive channel of the first switch;
the control end of the first switch is connected with the control module, and the control module can control the conductive channel of the first switch;
the sampling end of the first voltage sampling module is connected with the electrical node P, the information output end of the first voltage sampling module is connected with the control module, and the control module can acquire the voltage value of the electrical node P through the first voltage sampling module;
a first end of the discharge resistor is connected with the electrical node P, a second end of the discharge resistor is connected with a first end of a conductive channel of the discharge switch, and a second end of the conductive channel of the discharge switch is connected with a ground point (GND);
the control end of the discharge switch is connected with the control module, and the control module can control the conductive channel of the discharge switch;
the positive electrode of the super capacitor is connected with the electrical node P, and the negative electrode of the super capacitor is connected with a ground point (GND);
the first end of the conductive channel of the second switch is connected with the electrical node P, the second end of the conductive channel of the second switch is connected with the first end of the charging resistor, the control end of the second switch is connected with the control module, and the control module can control the conductive channel of the second switch; the digital signal interface control module of the digital-to-analog conversion module is connected, the output end of the digital-to-analog conversion module is connected with the control end of the charging adjustable resistor, and the control module can control the resistance value of the charging adjustable resistor through the digital-to-analog conversion module;
the first end of the charging inductor is connected with the second end of the charging resistor, and the second end of the charging inductor is connected with the anode of the first diode;
the cathode of the first diode is connected with the electricity-saving Q;
the positive pole of the battery is connected with the electricity-saving Q, and the negative pole of the battery is connected with the input end of the first current sampling module;
the ground terminal of the first current sampling module is connected with a ground point (GND), the signal output end of the first current sampling module is connected with the control module, and the control module can obtain the value of the battery charging current through the first current sampling module;
the sampling end of the second voltage sampling module is connected with the electric power-saving Q, the signal output end of the second voltage sampling module is connected with the control module, and the control module can acquire the voltage value of the electric node Q through the second voltage sampling module;
the anode of the second diode is connected with the electric power-saving Q, the cathode of the second diode is connected with the first end of the conducting channel of the third switch, the control end of the third switch is connected with the control module, and the control module can control the conducting channel of the third switch;
the LED module is provided with an LED current sampling module, an LED lamp strip and an LED switch;
the number of LED modules is at least 2;
the first end of the conducting channel of the LED switch of the LED module is connected with the second end of the conducting channel of the third switch;
in the LED module: the second end of the conductive channel of the LED switch is connected with the first end of the LED lamp strip;
in the LED module: the input end of the LED current sampling module is connected with the second end of the LED lamp strip;
the grounding end of the LED current sampling module of the LED module is connected with a ground point (GND);
the signal of an LED current sampling module of the LED module is connected with the control module, and the control module can acquire the current intensity of the LED lamp strip through the LED current sampling module of the LED module;
the control end of an LED switch of the LED module is connected with the control module, and the control module can control a conductive channel of the LED switch of the LED module;
the bulge detection module is in contact with the surface of the battery, the bulge detection module can detect the bulge condition of the surface of the battery, the signal output end of the bulge detection module is connected with the control module, and the control module can acquire the condition that the battery is a bulge through the bulge detection module; the electrical node Q is electrically connected with the control module, and the control module obtains electric energy required by operation through the electrical node Q.
Embodiment 2, an LED emergency light as in embodiment 1, characterized in that: the system also comprises a wireless communication module and a central station, wherein the wireless communication module is connected with the control module, and the control module can send system running condition information to the central station through the wireless communication module. Embodiment 3, an LED emergency light as in embodiment 1, characterized in that: the first switch is PMOS or NMOS or triode or JFET or mechanical relay or solid state relay or reed switch.
Embodiment 4, an LED emergency light as in embodiment 1, characterized in that: the second switch is PMOS or NMOS or triode or JFET or mechanical relay or solid state relay or reed switch.
Embodiment 5, LED emergency light as described in embodiment 1, characterized in that: the third switch is PMOS or NMOS or triode or JFET or mechanical relay or solid state relay or reed switch.
Embodiment 6, an LED emergency light as in embodiment 1, characterized in that: the discharge switch is PMOS or NMOS or triode or JFET or mechanical relay or solid state relay or reed switch.
Embodiment 7, an LED emergency light as in embodiment 1, characterized in that: the LED switch of the LED module is PMOS or NMOS or triode or JFET or mechanical relay or solid state relay or reed switch.
Embodiment 8, an LED emergency light as in embodiment 1, characterized in that: the charging resistor is a carbon film resistor, a metal film resistor, a wire-wound resistor, a non-inductive resistor or a thin film resistor.
Embodiment 9, an LED emergency light as in embodiment 1, wherein: the super capacitor is an electric double layer type super capacitor or a pseudo capacitor type super capacitor.
Embodiment 10, an LED emergency light as in embodiment 1, characterized in that: the super capacitor is a flat plate type super capacitor or a winding type solvent capacitor.
Embodiment 11, an LED emergency light as in embodiment 1, wherein: the super capacitor is a pseudo-capacitor type super capacitor, the anode material of the super capacitor is metal oxide (such as but not limited to NiOx, mnO2 and V2O 5), and the cathode material is activated carbon as the cathode material.
Embodiment 12, an LED emergency light as in embodiment 1, characterized in that: the super capacitor is a pseudo-capacitive super capacitor, and the electrode material of the super capacitor is a conductive polymer material (such as but not limited to PPY, PTH, PANI, PAS, PFPT).
Embodiment 13, an LED emergency light as in embodiment 1, wherein: the super capacitor is a solid electrolyte super capacitor.
Embodiment 14, an LED emergency light as in embodiment 1, wherein: the super capacitor is a liquid electrolyte super capacitor.
Embodiment 15, an LED emergency light as in embodiment 1, characterized in that: the super capacitor is a carbon nano material film super capacitor.
Embodiment 16, an LED emergency light as in embodiment 1, characterized by: the charging adjustable resistor is realized by adopting PMOS or NMOS, the principle of the analog slide rheostat is to control the PMOS or NMOS to work in a resistance area, adjust the voltage of the control end of the PMOS or NMOS to realize the resistance value change, and simultaneously, the charging adjustable resistor can be completely closed or completely switched on when necessary.
Example 17 an LED Emergency light as in example 1
In the following steps: as in fig. 2, the control system has a main flow;
the main process has the following operation steps:
0. starting (electrifying and starting the singlechip), and entering the step 1;
1. executing a 'commercial power input detection' flow, and entering a step 2;
2. judging whether the returned signal of the commercial power input detection flow is 'commercial power input stop', if so, entering a step 3, and if not, entering a step 4;
3. executing a lighting process, and then entering a step 2;
4. executing a 'light-out' flow, and then entering a step 5;
5. detecting whether the battery bulges through a bulge detection module, if the detection result is 'yes', entering a step 9, and if the detection result is 'no', entering a step 6;
6. executing the super capacitor test flow, and entering step 7;
7. executing the flow of 'charging operation', and entering step 8;
8. judging whether the test result returned by the super capacitor test flow is normal or not, if the returned result is normal, entering the step 1, and if the returned result is abnormal, entering the step 9;
9. an "alarm" flow is performed.
Example 18 an LED Emergency light as in example 16
The method comprises the following steps: as shown in fig. 3, the mains input detection 1 has the following operation steps:
1.0, detecting commercial power input-starting, and entering the step 1.1;
1.1, setting a conductive channel of a second switch to be disconnected, and entering a step 1.2;
1.2, setting the conducting channel of the third switch to be disconnected, and entering the step 1.3;
1.3, setting a conductive channel of the discharge switch to be conducted, and entering a step 1.4;
1.4, setting a conductive channel of the first switch to be conducted, and entering the step 1.5;
1.5, delaying (10 ms), and entering a step 1.6;
1.6, obtaining a P point voltage P-Ui through a first voltage sampling module (i is the sampling frequency, namely the frequency of execution of 1.6 in the current mains supply input detection, and the value change rule is 1-X increasing), and entering a step 1.7;
1.7, saving the P-Ui to a data container, and entering a step 1.8;
1.8, judging whether the value of i is larger than the maximum value x, if not, entering a step 1.5, and if yes, entering a step 1.9;
1.9, checking whether a value of zero exists in the counting data container, if the checking result is 'yes', entering a step 1.11, and if the checking result is 'no', entering a step 1.12;
1.11, detection result: the commercial power input is stopped, and the step 1.17 is carried out;
1.12, calculating the average value of the data in the data container, and entering the step 1.13;
1.13, calculating the difference value between the data in the data container and the average value, storing the difference value in a corresponding position, and entering a step 1.14;
1.14, checking the value of the data in the data container (difference value at this moment), whether a negative value exists; if yes, go to step 1.15, if no, go to step 1.17;
1.15, detection result: an anomaly; if the commercial power exists but the commercial power is abnormal or the AC-DC converter is abnormal, the step 1.17 is carried out;
1.16, detection result: inputting normal commercial power, and entering step 1.17;
and 1.17, completing the commercial power input detection, and returning a detection result, namely the commercial power input condition.
Embodiment 19 the LED emergency light of embodiment 16, wherein
In the following steps: as shown in fig. 4, the super capacitor test 6 has the following operation steps:
6.0, starting the super capacitor test, and entering the step 6.1;
6.1, disconnecting the conductive channel of the first switch, and entering step 6.2;
6.2, disconnecting the conducting channel of the second switch, and entering the step 6.3;
6.3, turning on a discharge switch (starting to discharge), and entering step 6.4;
6.4, acquiring system time, storing the system time as P-T1, and entering the step 6.5;
6.5, delaying, and entering step 6.6;
6.6, acquiring system time and storing the system time as P-T2, and entering step 6.7;
6.7, calculating the time for discharging, subtracting P-T2 from P-T1 to obtain P-TM, and entering step 6.8;
6.8, judging whether the P-TM exceeds the preset timeout time P-TS, if yes, entering a step 6.25, and if no, entering a step 6.9;
6.9, acquiring a voltage value P-U of a point P through a first voltage sampling module, and entering the step 6.12;
6.12, judging whether the P-U is lower than a preset lowest value P-A, if so, entering a step 6.13, and if not, entering a step 6.5;
6.13, disconnecting the conductive channel of the discharge switch, and entering step 6.14;
6.14, turning on a conductive channel of the first switch (starting charging), and entering step 6.15;
6.15, acquiring system time, storing the system time as P-T1, and entering a step 6.16;
6.16, delaying, and entering step 6.17;
6.17, acquiring system time, storing the system time as P-T2, and entering a step 6.18;
6.18, calculating the charging time, subtracting P-T2 from P-T1 to obtain P-TM, and entering step 6.19;
6.19, judging whether the P-TM exceeds the preset timeout time P-TZ, if so, entering the step 6.24, and if not, entering the step 6.21;
6.21, acquiring a voltage value P-U of a point P through a first voltage sampling module, and entering a step 6.22;
6.22, judging whether the P-U is higher than or equal to a preset highest value P-B, if so, entering a step 6.23, and if not, entering a step 6.16;
6.23, test result: if normal, entering step 6.25;
6.24, test result: exception, error code: P-TW (failure: super capacitor charging test failed), go to step 6.25;
6.25, the super capacitor test-is finished, and the super capacitor test result is returned.
Embodiment 20, an LED emergency light as in embodiment 16, wherein:
as shown in fig. 5, the charging operation 7 has the following operation steps:
7.0, charging operation-start, go to step 7.1;
7.1, setting the conducting channels of the first switch, the second switch, the third switch and the discharging switch to be disconnected, and entering step 7.2;
7.2, acquiring voltage data of a point Q through a second voltage sampling module, and entering a step 7.3;
7.3, whether the voltage of the point Q is higher than or equal to a preset highest value, if so, entering a step 7.17, and if not, entering a step 7.4;
7.4, acquiring voltage data of a point P through a first voltage sampling module, and entering a step 7.5;
7.5, judging whether the voltage of the point P is equal to the sum of Q and a preset charging voltage difference, if so, entering a step 7.9, and if not, entering a step 7.6;
7.6, judging whether the voltage of the point P is smaller than the sum of Q and a preset charging voltage difference, if so, entering a step 7.8, and if not, entering a step 7.7;
7.7, executing the operation of reducing the voltage of the point P, reducing the voltage of the point P to the sum of Q and a preset charging voltage difference, and entering the step 7.5;
7.8, executing the operation of increasing the voltage of the point P, increasing the voltage of the point P to the sum of Q and the preset charging voltage difference, and entering the step 7.5;
7.9, setting the conducting channel of the second switch to be opened, and entering a step 7.11;
7.11, controlling the charging adjustable resistor to enter a working state and enter a resistor area through the digital-to-analog conversion module, and entering a step 7.12;
7.12, delaying, entering step 7.13, and entering step 7.13;
7.13, reducing, namely charging the resistance value of the conductive channel of the adjustable resistor through the digital-to-analog conversion module, and entering step 7.14;
7.14, acquiring voltage data of a point P through a first voltage sampling module, and entering a step 7.15;
7.15, acquiring voltage data of a point Q through a second voltage sampling module, and entering a step 7.16;
7.16, judging whether the voltage difference between the point P and the point Q is zero, if the voltage difference is zero, entering a step 7.12, and if the voltage difference is zero, entering a step 7.1;
7.17, charging operation — end.
Embodiment 21, an LED emergency light as in embodiment 16, wherein:
as shown in fig. 6, decreasing the P-point voltage 7.7 has the following operation steps:
7.70, reducing the voltage of the point P-start (the parameter P-UC is the target voltage of the point P), and entering the step 7.71;
7.71, setting the first switch, the second switch, the third switch and the discharge switch to be disconnected, and entering step 7.72;
7.72, setting the conductive channel of the discharge switch to be on, and entering step 7.73;
7.73, obtaining a voltage value of a point P through a first voltage sampling module, and entering a step 7.74;
7.74, whether the value of the voltage at the point P is higher than the value of the parameter P-UC, if yes, entering a step 7.73, and if no, entering a step 7.75;
7.75, setting the conductive channel of the discharge switch to be disconnected, and entering a step 7.76;
7.76, decrease point P voltage-end (parameter P-UC is point P target voltage).
Example 22 an LED Emergency light according to example 16, wherein the LED emergency light comprises
: as shown in fig. 7, increasing the P-point voltage 7.8 has the following operation steps:
7.80, increasing the voltage of the point P-start (the parameter P-UD is the target voltage of the point P), and entering the step 7.81;
7.81, turning off the first switch, the second switch, the third switch and the discharge switch, and entering step 7.82;
7.82, setting the conductive channel of the first switch to be opened, and entering step 7.83;
7.83, obtaining a voltage value of a point P through a first voltage sampling module, and entering a step 7.84;
7.84, whether the value of the voltage at the point P is lower than the value of the parameter P-UD, if yes, entering a step 7.83, and if no, entering a step 7.85;
7.85, setting the conductive channel of the first switch to be disconnected, and entering a step 7.86;
7.86, increase the P point voltage-end (the parameter P-UD is the P point target voltage).
Embodiment 23, an LED emergency light as in embodiment 16, wherein:
as shown in fig. 8, the lighting flow 3 has the following operation steps:
3.0, starting the lighting process, and entering the step 3.1;
3.1, setting the first switch, the second switch, the third switch and the discharge switch to be disconnected, and entering step 3.2;
3.2, opening the conductive channels of the LED switches in each LED module, and entering the step 3.3;
3.3, acquiring the current flowing through the LED of each LED module through the LED current sampling module in each LED module, and entering the step 3.4;
3.4, setting a conductive channel of an LED switch in the LED module, of which the current value flowing through the LED is not within a preset range, to be completely closed, and entering step 3.5;
3.5, setting a PMOS conductive channel in the LED module with the current value flowing through the LED within a preset range to be completely opened, and entering the step 3.6;
3.6, lighting flow-end (normal lamp is in on state).
Embodiment 24, an LED emergency light according to embodiment 16, wherein:
referring to fig. 9, the light-off process 4 has the following steps:
4.0, starting a lamp-out process, and entering the step 4.1;
4.1, turning off the first switch, the second switch, the third switch and the discharge switch, and entering a step 4.2;
4.2, closing the conductive channels of the PMOS in each LED module, and entering the step 4.3;
4.3, ending the lamp-out process.
Embodiment 25 an LED emergency light according to embodiment 16, wherein:
as shown in fig. 10, the alarm process 9 has the following operation steps:
9.0, alarm flow-start, go to step 9.1;
9.1, sending repair information to a switchboard through a wireless communication module, and entering a step 9.2;
9.2, lightening a fault warning lamp (yellow) and entering a step 9.3;
9.3, alarm flow-end.
Embodiment 26, an LED emergency light as in embodiment 16, wherein: the method also comprises a battery current detection and control flow, wherein the battery current detection and control flow comprises the following operation steps:
24.0, starting a battery current detection and control flow, and entering a step 24.1;
24.1, the control module obtains the battery charging current through the first current sampling module, and the step 24.2 is carried out;
24.2, judging whether the battery charging current is in the preset interval range, if so, entering 14.3, and if not, entering step 24.3.
And 24.3, finishing the battery current detection and control flow.
Embodiment 27, fig. 11 and 12 show a battery bulge detecting module for an LED emergency lamp as described in embodiment 1, which includes bulge detecting resistors (G-R) and a resistor film dedicated for battery status monitoring;
the special resistive film for monitoring the battery state comprises a first resistive film node (G1-1-1), a second resistive film node (G1-1-2), a first mesh surface (G-2-1), a second mesh surface (G1-2-2) and a middle part (G1-3);
the first resistance film node (G1-1-1), the second resistance film node (G1-1-2), the first mesh surface (G-2-1), the second mesh surface (G1-2-2) and the middle part (G1-3) are all thin films, the five parts are all made of the same material, and the five parts are manufactured in an integrated forming mode;
the first resistive film node (G1-1-1) is connected to the first side of the first mesh surface (G-2-1);
the second side of the first web (G-2-1) is connected to the first side of the intermediate portion (G1-3);
the second side of the middle portion (G1-3) is connected to the first end of the second wire side (G1-2-2);
the second end of the second mesh surface (G1-2-2) is connected with the second resistance film node (G1-1-2);
the first resistive film node (G1-1-1) is provided with a first resistive film welding spot (G1-4-1), and the second resistive film node (G1-1-2) is provided with a second resistive film welding spot (G1-4-2);
the holes of the first net surface (G-2-1) are uniformly distributed film holes (G1-2-3), the film holes (G1-2-3) and the adjacent film holes (G1-2-3) are provided with viscose film areas, a strip-shaped connecting bridge is arranged between the viscose film areas and the adjacent viscose film areas, the viscose film areas of the first net surface (G-2-1) are provided with glue, and the connecting bridge of the first net surface (G-2-1) is not provided with glue;
the holes of the second net surface (G1-2-2) are uniformly distributed film holes, the film holes and the adjacent film holes are provided with viscose film areas, a long strip-shaped connecting bridge is arranged between the viscose film areas and the adjacent viscose film areas, the viscose film areas of the second net surface are provided with glue, and the connecting bridge of the second net surface is not provided with glue;
when the square battery swells, the distance between the viscose film regions of the first net surface (G-2-1) is increased, the connecting bridge is torn, the connecting bridge is broken, the resistance value of the first net surface (G-2-1) is changed, the distance between the viscose film regions of the second net surface (G-2-2) is increased, the connecting bridge is torn, the resistance value of the second net surface (G-2-2) is changed, the connecting bridge is torn, the connecting bridge is broken, the resistance value of the second net surface (G-2-2) is changed, and the bulging condition of the battery can be obtained through the change of the whole resistance value;
the first end of the bulge detection resistor (G-R) is connected with a direct current power supply point (VCC), the second end of the bulge detection resistor (G-R) is connected with a first resistive film welding point (G1-4-1) of the resistive film special for battery state monitoring, and a second resistive film welding point (G1-4-2) of the resistive film special for battery state monitoring is connected with a power supply point;
a dc power supply point (VCC) is connected to electrical node Q.
EXAMPLE 28 the resistive film for battery status monitoring use according to example 1, wherein the first mesh surface (G-2-1) has octagonal shaped film holes (G1-2-3).
Example 29, the resistive film dedicated for battery status monitoring according to example 1, wherein the adhesive film area of the first mesh surface (G-2-1) is quadrilateral.
EXAMPLE 30 the resistive film for battery status monitoring, as described in example 1, wherein the first mesh surface (G-2-1) is made of an alloy material having a melting point of less than 90 degrees, and if the battery is heated or ignited, which may cause the connecting bridge to break, the resistance can be changed
The resistance value.
Embodiment 31 is the resistive film for battery status monitoring as described in embodiment 1, wherein the first mesh surface (G-2-1) is made of lead-antimony alloy.
EXAMPLE 32, the resistive film for battery status monitoring use according to example 1, wherein the film holes (G1-2-3) of the second mesh surface (G-2-2) are octagonal.
Example 33, the resistive film for battery status monitoring according to example 1, wherein the adhesive film region of the second mesh surface (G-2-2) is quadrilateral.
EXAMPLE 34 the resistive film for battery condition monitoring, as described in example 1, wherein the second mesh surface (G-2-2) is made of an alloy material with a melting point lower than 90 degrees, if the battery is heated or ignited, which may cause the connection bridge to break, the resistance can be changed
The resistance value.
EXAMPLE 35 in the resistive film for battery status monitoring as described in example 1, the second mesh surface (G-2-2) is made of an alloy material having a melting point of less than 90 degrees, and if the battery is heated or ignited, which may cause the connecting bridge to break, the resistance can be changed
The resistance value.
Embodiment 36, the resistive film for battery status monitoring according to embodiment 1, wherein the second mesh surface (G-2-2) is made of pb — sb alloy.
EXAMPLE 37 the resistive film for battery status monitoring use according to example 1, wherein the first mesh surface (G-2-1) has circular film holes (G1-2-3).
EXAMPLE 38, the resistive film for battery status monitoring use according to example 1, wherein the second mesh surface (G-2-2) has circular film holes (G1-2-3).
Embodiment 39, the resistive film for battery status monitoring according to embodiment 1, wherein the first resistive film solder joints (G1-4-1) are hollowed circular holes.
Embodiment 40, as in embodiment 1, the second resistive film solder joint (G1-4-2) is a hollow circular hole.
Claims (9)
1. An LED emergency light, its characterized in that: the system comprises an LED module, a control module, a fault warning lamp, a mains supply interface, an AC-DC converter, a first switch, a second switch, a third switch, a discharge resistor, a super capacitor, a first sampling module, a digital-to-analog conversion module, a charge adjustable resistor, a charge inductor, a first diode D1, a second diode D2, a second voltage sampling module, a bulge detection module, a battery, a first current sampling module, an LED module, an electricity saving P and an electricity saving Q;
the control module can control the on and off of the fault warning lamp, and the fault warning lamp is used for reminding a worker that the LED emergency lamp has a fault and needs to be maintained when the fault occurs;
the commercial power interface is connected with an alternating current interface of the AC-DC converter, and the AC-DC converter is used as a direct current power supply;
the direct current output end of the AC-DC converter is connected to an electrical node P through a conductive channel of the first switch;
the control end of the first switch is connected with the control module, and the control module can control the conductive channel of the first switch;
the sampling end of the first voltage sampling module is connected with the electrical node P, the information output end of the first voltage sampling module is connected with the control module, and the control module can acquire the voltage value of the electrical node P through the first voltage sampling module;
the first end of the discharge resistor is connected with the electrical node P, the second end of the discharge resistor is connected with the first end of the conductive channel of the discharge switch, and the second end of the conductive channel of the discharge switch is connected with a ground GND;
the control end of the discharge switch is connected with the control module, and the control module can control the conductive channel of the discharge switch;
the positive electrode of the super capacitor is connected with the electrical node P, and the negative electrode of the super capacitor is connected with the ground GND;
the first end of the conductive channel of the second switch is connected with the electrical node P, the second end of the conductive channel of the second switch is connected with the first end of the charging resistor, the control end of the second switch is connected with the control module, and the control module can control the conductive channel of the second switch;
the digital signal interface control module of the digital-to-analog conversion module is connected, the output end of the digital-to-analog conversion module is connected with the control end of the charging adjustable resistor, and the control module can control the resistance value of the charging adjustable resistor through the digital-to-analog conversion module;
the first end of the charging inductor is connected with the second end of the charging resistor, and the second end of the charging inductor is connected with the anode of the first diode;
the cathode of the first diode is connected with the electricity-saving Q;
the positive pole of the battery is connected with the electricity-saving Q, and the negative pole of the battery is connected with the input end of the first current sampling module;
the ground terminal of the first current sampling module is connected with a ground point GND, the signal output end of the first current sampling module is connected with the control module, and the control module can obtain the value of the battery charging current through the first current sampling module;
the sampling end of the second voltage sampling module is connected with the electric power-saving Q, the signal output end of the second voltage sampling module is connected with the control module, and the control module can acquire the voltage value of the electric node Q through the second voltage sampling module;
the positive electrode of the second diode is connected with the electric power-saving Q, the negative electrode of the second diode is connected with the first end of the conductive channel of the third switch, the control end of the third switch is connected with the control module, and the control module can control the conductive channel of the third switch;
the LED module is provided with an LED current sampling module, an LED lamp strip and an LED switch;
the number of LED modules is at least 2;
the first end of the conducting channel of the LED switch of the LED module is connected with the second end of the conducting channel of the third switch;
in the LED module: the second end of the conductive channel of the LED switch is connected with the first end of the LED lamp strip;
in the LED module: the input end of the LED current sampling module is connected with the second end of the LED lamp strip;
the grounding end of the LED current sampling module of the LED module is connected with a ground point (GND);
the signal of an LED current sampling module of the LED module is connected with the control module, and the control module can acquire the current intensity of the LED lamp strip through the LED current sampling module of the LED module;
the control end of an LED switch of the LED module is connected with the control module, and the control module can control a conductive channel of the LED switch of the LED module;
the bulge detection module is in contact with the surface of the battery, the bulge detection module can detect the bulge condition of the surface of the battery, the signal output end of the bulge detection module is connected with the control module, and the control module can acquire the condition that the battery is a bulge through the bulge detection module;
the electrical node Q is electrically connected with the control module, and the control module obtains electric energy required by operation through the electrical node Q.
2. The LED emergency light of claim 1, wherein: the lamp strip is made of green LED lamp beads.
3. The LED emergency light of claim 1, wherein: the LED switch is PMOS.
4. The LED emergency light of claim 1, wherein: the LED switch is NMOS.
5. The LED emergency light of claim 1, wherein: the LED switch is a triode.
6. The LED emergency light of claim 1, wherein: the LED switch is a JFET.
7. The LED emergency light of claim 1, wherein: the LED switch is a mechanical relay.
8. The LED emergency light of claim 1, wherein: the LED switch is a solid state relay.
9. The LED emergency light of claim 1, wherein: the LED switch is a reed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125558.5A CN111669877B (en) | 2019-02-20 | 2019-02-20 | LED emergency lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125558.5A CN111669877B (en) | 2019-02-20 | 2019-02-20 | LED emergency lamp |
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| Publication Number | Publication Date |
|---|---|
| CN111669877A CN111669877A (en) | 2020-09-15 |
| CN111669877B true CN111669877B (en) | 2023-04-07 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202364426U (en) * | 2011-11-01 | 2012-08-01 | 深圳市讯宇创科技有限公司 | Emergency lamp circuit and emergency lamp system |
| CN202818679U (en) * | 2012-09-25 | 2013-03-20 | 何征海 | LED emergency lamp system |
| CN103313482A (en) * | 2013-06-24 | 2013-09-18 | 杭州徕科光电有限公司 | Light-emitting diode (LED) emergency lighting system and LED lighting lamp |
| CN205961502U (en) * | 2016-07-06 | 2017-02-15 | 苏州东山精密制造股份有限公司 | Illumination and drive circuit |
| CN107087331A (en) * | 2017-06-30 | 2017-08-22 | 台州市椒光照明有限公司 | A kind of Width funtion LED lamp drive circuit with emergency function |
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2019
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