CN111669873A - LED emergency lamp - Google Patents
LED emergency lamp Download PDFInfo
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- CN111669873A CN111669873A CN201910125235.6A CN201910125235A CN111669873A CN 111669873 A CN111669873 A CN 111669873A CN 201910125235 A CN201910125235 A CN 201910125235A CN 111669873 A CN111669873 A CN 111669873A
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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
- 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
Abstract
An LED emergency lamp 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 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 emergency lamp.
1. An LED emergency lamp is characterized by comprising 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;
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 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 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 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 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 lamp according to the technical content 1 is characterized by further comprising 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 operation condition information to the central station through the wireless communication module.
3. The LED emergency lamp according to claim 1, wherein the first switch is a PMOS.
4. The LED emergency lamp according to claim 1, wherein the first switch is an NMOS.
5. The LED emergency lamp is characterized in that the first switch is a triode.
6. The LED emergency lamp according to claim 1, wherein the first switch is a JFET
7. The LED emergency lamp is characterized in that the first switch is a mechanical relay.
8. The LED emergency lamp is characterized in that the first switch is a solid-state relay.
9. The LED emergency lamp is characterized in that the first switch is 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 flow chart of 'lighting' 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.
Figure 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 according to example 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 OF EMBODIMENT (S) OF INVENTION
Embodiment 1, as shown in fig. 1 to 10, an LED emergency light is characterized by comprising a control module, a fault warning light, 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;
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 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 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 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 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, as described in embodiment 1, the LED emergency lamp is characterized by further comprising a wireless communication module and a central office, wherein the wireless communication module is connected to the control module, and the control module can send system operation information to the central office through the wireless communication module.
Embodiment 3, the LED emergency light according to embodiment 1, wherein the first switch is a PMOS or NMOS or triode or JFET or mechanical relay or solid state relay or reed switch.
Embodiment 4, the LED emergency light according to embodiment 1, wherein the second switch is a PMOS or NMOS or triode or JFET or mechanical relay or solid state relay or reed switch.
Embodiment 5, the LED emergency light of embodiment 1, wherein the third switch is a PMOS or NMOS or a triode or a JFET or a mechanical relay or a solid state relay or a reed switch.
Embodiment 6, the LED emergency light of embodiment 1, wherein the discharge switch is a PMOS or NMOS or a triode or a JFET or a mechanical relay or a solid state relay or a reed switch.
Embodiment 7, the LED emergency light of embodiment 1, wherein the LED switch of the LED module is a PMOS or NMOS or a triode or a JFET or a mechanical relay or a solid state relay or a reed switch.
Embodiment 8, as in embodiment 1, the LED emergency light is 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, as in embodiment 1, the LED emergency light is characterized in that the super capacitor is an electric double layer type super capacitor or a pseudo capacitor type super capacitor.
Embodiment 10 the LED emergency lamp according to embodiment 1, wherein the super capacitor is a flat super capacitor or a wound solvent capacitor.
Embodiment 11 is the LED emergency light according to embodiment 1, wherein the super capacitor is a pseudocapacitive super capacitor, the positive electrode material of the super capacitor is a metal oxide (such as, but not limited to, NiOx, MnO2, and V2O5), and the negative electrode material is activated carbon as a negative electrode material.
Embodiment 12 the LED emergency light of embodiment 1, wherein the super capacitor is a pseudo-capacitor super capacitor, and an electrode material of the super capacitor is a conductive polymer material (such as but not limited to PPY, PTH, PAni, PAS, PFPT).
Embodiment 13 the LED emergency light of embodiment 1, wherein the super capacitor is a solid electrolyte super capacitor.
Embodiment 14 the LED emergency light of embodiment 1, wherein the super capacitor is a liquid electrolyte super capacitor.
Embodiment 15, the LED emergency light as in embodiment 1, wherein the super capacitor is a carbon nanomaterial film super capacitor.
Embodiment 16, the LED emergency light according to embodiment 1, wherein the charging adjustable resistor is implemented by using a PMOS or NMOS, and the analog sliding rheostat is based on the principle that the PMOS or NMOS is controlled to operate in a resistor region, the voltage of the PMOS or NMOS control terminal is adjusted to change the resistance value, and the charging adjustable resistor is completely turned off or completely turned on when necessary.
Embodiment 17, an LED emergency light as in embodiment 1, wherein:
as in fig. 2, the control system has a main process;
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 the 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.
Embodiment 18, an LED emergency light as in embodiment 16, wherein:
as shown in fig. 3, the mains input detection 1 has the following operation steps:
1.0, detecting commercial power input-starting, and entering 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 (10ms), 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 mains supply input detection, and returning a detection result, namely the mains supply input condition.
Example 19, an LED emergency light as in example 16, wherein:
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, storing the system time as P-T2, and entering the step 6.7;
6.7, calculating the time for discharging, subtracting P-T2 from P-T1 to obtain P-TM, and entering the 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 ｃA preset lowest value P-A, if so, entering ｃA step 6.13, and if not, entering ｃA step 6.5;
6.13, disconnecting the conductive channel of the discharge switch, and entering step 6.14;
6.14, turning on the 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 the 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 the step 6.18;
6.18, calculating the charging time, subtracting P-T2 from P-T1 to obtain P-TM, and entering the step 6.19;
6.19, judging whether the P-TM exceeds the preset timeout time P-TZ, if yes, entering a step 6.24, and if no, entering a 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 results: if normal, entering step 6.25;
6.24, test results: 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.
Example 21, an LED emergency light as in example 16, wherein:
as shown in fig. 6, decreasing the P-point voltage 7.7 has the following operation steps:
7.70, the P point voltage is reduced, and the process starts (the parameter P-UC is the P point target voltage), and the step 7.71 is carried out;
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 as in example 16, wherein:
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 a step 7.81;
7.81, setting the first switch, the second switch, the third switch and the discharge switch to be disconnected, and entering step 7.82;
7.82, setting the conductive channel of the first switch to be on, 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 so, entering a step 7.83, and if not, 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).
Example 23 an LED emergency light as in example 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 conductive channel of a PMOS in the LED module with the current value flowing through the LED within a preset range to be completely opened, and entering step 3.6;
3.6, lighting flow-end (normal lamp is in on state).
Example 24, an LED emergency light as in example 16, wherein:
referring to fig. 9, the light-off process 4 has the following steps:
4.0, starting a light-out process, and entering the step 4.1;
4.1, setting the first switch, the second switch, the third switch and the discharge switch to be disconnected, and entering the 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.
Example 25, an LED emergency light as in example 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, lighting the fault warning lamp (yellow), and entering the step 9.3;
9.3, alarm flow-end.
Embodiment 26 the LED emergency lamp according to embodiment 16, further comprising a battery current monitoring and controlling process,
the battery current detection and control process 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, a battery bulge detection module for an LED emergency lamp according to embodiment 1, comprising bulge detection resistors (G-R) and a resistive film dedicated for battery status monitoring;
the special resistive film for monitoring the battery state is characterized by comprising 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 node structure comprises a first resistance film node (G1-1-1), a second resistance 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), wherein the five parts are all in a film shape and 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 joined 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 web (G1-2-2);
a second end of the second mesh surface (G1-2-2) is connected to a second resistive film node (G1-1-2);
the first resistive film node (G1-1-1) is provided with a first resistive film welding point (G1-4-1), and the second resistive film node (G1-1-2) is provided with a second resistive film welding point (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 area of the first net surface (G-2-1) is provided with glue, and the connecting bridge of the first net surface (G-2-1) is not provided with the 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 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 adhesive film is used for the square battery with the upper and lower bottom surface areas larger than the sum of the side surface areas, the adhesive film area of the first net surface (G-2-1) is attached to the upper side surface of the square battery, the adhesive film area of the second net surface (G1-2-2) is attached to the lower bottom surface of the square battery, when the square battery swells, the distance between the viscose film areas of the first net surface (G-2-1) is increased, the connecting bridge is torn, the connecting bridge is broken, thereby changing the resistance value of the first net surface (G-2-1), increasing the distance between each viscose film area of the second net surface (G-2-2), tearing the connecting bridge to cause the connecting bridge to break, therefore, the resistance value of the second mesh surface (G-2-2) is changed, so that the change of the overall resistance value is caused, and the bulge condition of the battery can be obtained through the change of the overall 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.
Embodiment 28, the resistive film for battery status monitoring as in embodiment 1, wherein the first mesh surface (G-2-1) has octagonal shaped film holes (G1-2-3).
Embodiment 29, the resistive film for battery status monitoring as in embodiment 1, wherein the adhesive film area of the first mesh surface (G-2-1) is quadrilateral.
Embodiment 30, the resistive film for battery status monitoring as described in embodiment 1, wherein the first mesh surface (G-2-1) is made of an alloy material having a melting point lower than 90 degrees, and the resistance value can be changed if the battery is heated or ignited to break the connecting bridge.
Embodiment 31, as in embodiment 1, the resistive film for battery status monitoring is characterized in that the first mesh surface (G-2-1) is made of lead-antimony alloy.
Embodiment 32, the resistive film for battery status monitoring as in embodiment 1, wherein the film holes (G1-2-3) of the second mesh surface (G-2-2) are octagonal.
Embodiment 33, the resistive film for battery status monitoring as in embodiment 1, wherein the adhesive film area of the second mesh surface (G-2-2) is quadrilateral.
Embodiment 34, the resistive film for battery status monitoring as in embodiment 1, wherein the second mesh surface (G-2-2) is made of an alloy material having a melting point lower than 90 degrees, and the resistance value can be changed if the battery is heated or ignited to break the connecting bridge.
Embodiment 35, the resistive film for battery status monitoring as described in embodiment 1, wherein the second mesh surface (G-2-2) is made of an alloy material having a melting point of less than 90 degrees, and the resistance value can be changed if the battery is heated or ignited to break the connecting bridge.
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 a circular shape in the film hole (G1-2-3).
Embodiment 38, the resistive film for battery status monitoring according to embodiment 1, wherein the second mesh surface (G-2-2) has a circular shape of the film hole (G1-2-3).
Embodiment 39, the resistive film for battery status monitoring according to embodiment 1, wherein the first resistive film pad (G1-4-1) is a hollow circular hole.
Embodiment 40, as in embodiment 1, the special resistive film for monitoring battery status is characterized in that the second resistive film solder point (G1-4-2) is a hollow circular hole.
Claims (9)
1. An LED emergency lamp is characterized by comprising 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;
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 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 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 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 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 lamp according to claim 1, further comprising 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 operation information to the central station through the wireless communication module.
3. The LED emergency lamp of claim 1, wherein the first switch is PMOS.
4. The LED emergency lamp of claim 1, wherein the first switch is an NMOS.
5. The LED emergency lamp of claim 1, wherein the first switch is a triode.
6. The LED emergency light of claim 1, wherein the first switch is a JFET.
7. The LED emergency lamp of claim 1, wherein the first switch is a mechanical relay.
8. The LED emergency lamp of claim 1, wherein the first switch is a solid state relay.
9. The LED emergency lamp of claim 1, wherein the first switch is a reed switch.
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| CN201910125235.6A CN111669873A (en) | 2019-02-20 | 2019-02-20 | LED emergency lamp |
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| CN201910125235.6A CN111669873A (en) | 2019-02-20 | 2019-02-20 | LED emergency lamp |
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