Output booster circuit of energy storage equipment

Abstract

The utility model discloses an output boost circuit of energy storage equipment, which relates to the technical field of energy storage equipment and comprises an energy storage equipment module used for supplying power; the output control module is used for electric quantity sampling, low-voltage detection and under-voltage detection and controlling the work of the discharge control module and the second boost module; the discharge control module is used for power supply control; the first boosting module is used for boosting, adjusting and processing and transmitting boosted electric energy to electric equipment connected with the output module; and the second boosting module is used for boosting regulation. The output boost circuit of the energy storage device can perform boost adjustment on the electric energy output by the energy storage device module through the first boost module, and when the electric quantity of the energy storage device is reduced, the first boost module cannot continue to perform boost control, and discharging needs to continue. The output control module controls the discharge control module to be powered off and controls the second boost module to boost the electric energy provided by the energy storage equipment module, and the power is thoroughly cut off in the under-voltage state of the energy storage equipment module.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage equipment technical field, concretely is an output boost circuit of energy storage equipment. BACKGROUND

[0002] At present on the market, the output boost circuit of energy storage equipment is various, generally adopts the dedicated boost IC chip and then cooperates inductance or diode etc. to constitute, reaches the purpose of raising voltage, but because the boost IC chip that the output boost circuit of energy storage equipment adopts has the minimum voltage of allowing input, after the voltage of the electric energy of energy storage equipment output is lower than the minimum voltage, will not continue to carry out the boost work, therefore still needs improvement. SUMMARY

[0003] The utility model embodiment provides an output boost circuit of energy storage equipment to solve the problem in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] An output boost circuit of energy storage equipment, comprising: an energy storage equipment module, an output control module, a discharge control module, a first boost module, a second boost module and an output module;

[0006] The energy storage equipment module is used for providing direct-current electric energy.

[0007] The output control module is connected with the energy storage equipment module, is used for sampling the electric quantity of the energy storage equipment module and outputting the sampling signal, sets low voltage threshold value and under voltage threshold value, when the sampling signal is less than the low voltage threshold value and needs to continue to control the energy storage equipment module power supply, outputs the first control signal, when the sampling signal is less than the under voltage threshold value, stops outputting the first control signal and outputs the second control signal.

[0008] The discharge control module is connected with the energy storage equipment module, the first boost module and the output control module, is used for transmitting the direct-current electric energy to the first boost module, stops transmitting the direct-current electric energy when receiving the first control signal or the second control signal.

[0009] The first boost module is connected with the second boost module, is used for boosting and adjusting the direct-current electric energy transmitted by the discharge control module or the second electric energy output by the second boost module and outputting the first electric energy.

[0010] The second boost module is connected with the output control module and the energy storage equipment module, is used for boosting and adjusting the direct-current electric energy and outputting the second electric energy when receiving the first control signal, stops the boost and adjustment work when receiving the first control signal.

[0011] An output module is connected with the first voltage boosting module, and is configured to receive the first electric energy and be connected with the electric device.

[0012] As a further scheme of the utility model: the energy storage device module includes an energy storage device; the output control module includes a second resistor, a first power tube, a second switch tube, a first diode and a second diode;

[0013] Preferably, the first end of the energy storage device is connected with the drain of the first power tube, and the gate of the first power tube and the collector of the second switch tube are connected through the second resistor, the base of the second switch tube is connected with the cathode of the first diode, the anode of the first diode is connected with the output control module, the source of the first power tube is connected with the anode of the second diode, the cathode of the second diode is connected with the first voltage boosting module, and the second end of the energy storage device is connected with the emitter of the second switch tube and the ground end.

[0014] As a further scheme of the utility model: the first voltage boosting module includes a second inductor, a third resistor, a first voltage booster, a fourth diode, a fourth resistor, a fifth resistor and a fourth capacitor; the output module includes an output interface;

[0015] Preferably, the first end of the second inductor is connected with the cathode of the second diode and the IN end of the first voltage booster and connected with the EN end of the first voltage booster through the third resistor, the second end of the second inductor is connected with the SW end of the first voltage booster and the anode of the fourth diode, the cathode of the fourth diode is connected with one end of the fourth capacitor and the first end of the output interface and connected with the other end of the fourth capacitor, one end of the fifth resistor and the FB end of the first voltage booster through the fourth resistor, the other end of the fifth resistor is connected with the GND end of the first voltage booster, the second end of the output interface and the ground end.

[0016] As a further scheme of the utility model: the second voltage boosting module includes a first inductor, a first capacitor, a first resistor, a second capacitor, a second voltage booster, a third diode, a first switch tube and a third capacitor;

[0017] Preferably, the first end of the first inductor is connected with one end of the first capacitor and the first end of the energy storage device, the other end of the first inductor is connected with the SW end of the second voltage booster and connected with one end of the second capacitor through the first resistor, the EN end of the second voltage booster is connected with the emitter of the first switch tube, the collector of the first switch tube is connected with the anode of the third diode and the OUT end of the second voltage booster and connected with the GND end of the second voltage booster, the other end of the second capacitor, the other end of the first capacitor and the second end of the energy storage device through the third capacitor, the base of the first switch tube is connected with the anode of the first diode and the output control module, and the cathode of the third diode is connected with the cathode of the second diode and the first end of the second inductor.

[0018] As a further scheme of the utility model: the output control module includes sixth resistor, seventh resistor, eighth resistor, ninth resistor, first comparator, first logic chip, first key switch and twelfth resistor;

[0019] Preferably, the first end of the sixth resistor is connected with the moving end of the first key switch and the first end of the energy storage device and connected with the non-inverting terminal of the first comparator and the first end of the ninth resistor through the eighth resistor, the second end of the sixth resistor is connected with the inverting terminal of the first comparator and connected with the second end of the ninth resistor and the second end of the energy storage device through the seventh resistor, the output terminal of the first comparator is connected with the A terminal of the first logic chip, the B terminal of the first logic chip is connected with the static end of the first key switch through the twelfth resistor, and the Y terminal of the first logic chip is connected with the base of the first switch tube and the anode of the first diode.

[0020] As a further scheme of the utility model: the output control module further includes tenth resistor, eleventh resistor, second comparator and third switch tube;

[0021] Preferably, one end of the tenth resistor is connected with the moving end of the first key switch, the other end of the tenth resistor is connected with the non-inverting terminal of the second comparator, the inverting terminal of the second comparator is connected with the first end of the sixth resistor, the output terminal of the second comparator is connected with the base of the third switch tube and the cathode of the first diode, the collector of the third switch tube is connected with the Y terminal of the first logic chip, and the emitter of the third switch tube is connected with the other end of the eleventh resistor and the ground terminal.

[0022] Compared with the prior art, the utility model has the beneficial effects that: the output boost circuit of the energy storage device can transmit the electric energy output by the energy storage device module to the first boost module by the discharge control module, the first boost module is used for boost regulation and processing, when the electric quantity of the energy storage device is reduced and the first boost module cannot continue to perform boost control, if the discharge control needs to continue, the output control module controls the discharge control module to be powered off and controls the second boost module to perform boost processing on the electric energy provided by the energy storage device module, so that the first boost module is used for boost control again, until the energy storage device module appears under-voltage state, the discharge work of the energy storage device module is completely stopped, the energy storage device module can perform short-term emergency power supply, and the power supply efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the utility model embodiment, the drawings needed to be used in the following description of the utility model embodiment will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the person skilled in the art without creating labor.

[0024] Figure 1The utility model provides a kind of output boost circuit of energy storage equipment's principle block diagram provided with the utility model example.

[0025] Figure 2 The utility model provides a kind of circuit diagram of output boost circuit of energy storage equipment provided with the utility model example.

[0026] Figure 3 The utility model provides a kind of connection circuit diagram of output control module provided with the utility model example. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] In one embodiment, referring to Figure 1 , an output boost circuit of energy storage equipment, comprising: energy storage equipment module 1, output control module 2, discharge control module 3, first boost module 4, second boost module 5 and output module 6;

[0029] Specifically, the energy storage equipment module 1 is used to provide direct current electric energy;

[0030] The output control module 2 is connected with the energy storage equipment module 1, and is used to sample the electric quantity of the energy storage equipment module 1 and output a sampling signal, set a low-voltage threshold and an under-voltage threshold, output a first control signal when the sampling signal is less than the low-voltage threshold and the energy storage equipment module 1 needs to continue to be controlled to supply power, and output a second control signal when the sampling signal is less than the under-voltage threshold;

[0031] The discharge control module 3 is connected with the energy storage equipment module 1, the first boost module 4 and the output control module 2, and is used to transmit the direct current electric energy to the first boost module 4, and stop transmitting the direct current electric energy when receiving the first control signal or the second control signal;

[0032] The first boost module 4 is connected with the second boost module 5, and is used to boost and adjust the direct current electric energy transmitted by the discharge control module 3 or the second electric energy output by the second boost module 5 and output first electric energy;

[0033] The second boost module 5 is connected with the output control module 2 and the energy storage equipment module 1, and is used to boost and adjust the direct current electric energy and output second electric energy when receiving the first control signal, and stop the boost and adjustment work when receiving the first control signal;

[0034] The output module 6 is connected with the first voltage boosting module 4, and is used for receiving the first electric energy and connecting with the electric device.

[0035] In a specific embodiment, the energy storage device module 1 can adopt an energy storage device circuit composed of energy storage devices to provide direct current electric energy; the output control module 2 can adopt an output control circuit composed of resistors, comparators and logic chips, can sample the electric quantity of the energy storage device module 1, set low-voltage threshold and under-voltage threshold, and judge the sampled signals for low voltage and under voltage, and can manually control the second voltage boosting module 5 to perform voltage boosting work when the voltage is low; the discharge control module 3 can adopt a discharge control circuit composed of field effect tubes, resistors and triodes, and can control electric energy transmission; the first voltage boosting module 4 can adopt a first voltage boosting circuit composed of voltage boosters, resistors and diodes, and can perform voltage boosting processing on the input electric energy; the second voltage boosting module 5 can adopt a second voltage boosting circuit composed of voltage boosters, inductors and triodes, and can perform voltage boosting processing on the input electric energy, and the voltage range of the input electric energy is lower than that of the input electric energy of the first voltage boosting module 4; and the output module 6 can adopt an output circuit composed of output interfaces, and is connected with the electric device.

[0036] In another embodiment, referring to Figure 1 、 Figure 2 and Figure 3 , the energy storage device module 1 includes an energy storage device; the output control module 2 includes a second resistor R2, a first power tube Q1, a second switch tube V2, a first diode D1 and a second diode D2;

[0037] Specifically, the first end of the energy storage device is connected with the drain of the first power tube Q1 and connected with the gate of the first power tube Q1 and the collector of the second switch tube V2 through the second resistor R2, the base of the second switch tube V2 is connected with the cathode of the first diode D1, the anode of the first diode D1 is connected with the output control module 2, the source of the first power tube Q1 is connected with the anode of the second diode D2, the cathode of the second diode D2 is connected with the first voltage boosting module 4, and the second end of the energy storage device is connected with the emitter of the second switch tube V2 and the ground end.

[0038] In a specific embodiment, the energy storage device can be a storage battery; the first power tube Q1 can be an N-channel field effect tube; and the second switch tube V2 can be an NPN triode.

[0039] Further, the first voltage boosting module 4 includes a second inductor L2, a third resistor R3, a first voltage booster IC1, a fourth diode D4, a fourth resistor R4, a fifth resistor R5 and a fourth capacitor C4; and the output module 6 includes an output interface.

[0040] Specifically, the first end of the second inductor L2 is connected to the cathode of the second diode D2 and the IN end of the first voltage booster IC1 and connected to the EN end of the first voltage booster IC1 through the third resistor R3, the second end of the second inductor L2 is connected to the SW end of the first voltage booster IC1 and the anode of the fourth diode D4, the cathode of the fourth diode D4 is connected to one end of the fourth capacitor and the first end of the output interface and connected to the other end of the fourth capacitor, one end of the fifth resistor R5 and the FB end of the first voltage booster IC1 through the fourth resistor R4, the other end of the fifth resistor R5 is connected to the GND end of the first voltage booster IC1, the second end of the output interface and the ground end.

[0041] In a specific embodiment, the first voltage booster IC1 can be selected as a TPS61040 chip.

[0042] Further, the second voltage boosting module 5 comprises a first inductor L1, a first capacitor C1, a first resistor R1, a second capacitor C2, a second voltage booster IC2, a third diode D3, a first switch V1 and a third capacitor C3.

[0043] Specifically, the first end of the first inductor L1 is connected to one end of the first capacitor C1 and the first end of the energy storage device, the other end of the first inductor L1 is connected to the SW end of the second voltage booster IC2 and connected to one end of the second capacitor C2 through the first resistor R1, the EN end of the second voltage booster IC2 is connected to the emitter of the first switch V1, the collector of the first switch V1 is connected to the anode of the third diode D3 and the OUT end of the second voltage booster IC2 and connected to the GND end of the second voltage booster IC2, the other end of the second capacitor C2, the other end of the first capacitor C1 and the second end of the energy storage device through the third capacitor C3, the base of the first switch V1 is connected to the anode of the first diode D1 and the output control module 2, the cathode of the third diode D3 is connected to the cathode of the second diode D2 and the first end of the second inductor L2.

[0044] In a specific embodiment, the second voltage booster IC2 can be selected as a PW5100 chip.

[0045] Further, the output control module 2 comprises a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a first comparator A1, a first logic chip J1, a first key switch K1 and a twelfth resistor R12.

[0046] Specifically, the first end of the sixth resistor R6 is connected to the moving end of the first button switch K1 and the first end of the energy storage device, and is connected to the non-inverting terminal of the first comparator A1 and the first end of the ninth resistor R9 through the eighth resistor R8, the second end of the sixth resistor R6 is connected to the inverting terminal of the first comparator A1 and the second end of the ninth resistor R9 through the seventh resistor R7, the output terminal of the first comparator A1 is connected to the A terminal of the first logic chip J1, the B terminal of the first logic chip J1 is connected to the static end of the first button switch K1 through the twelfth resistor R12, and the Y terminal of the first logic chip J1 is connected to the base of the first switch tube V1 and the anode of the first diode D1.

[0047] In specific embodiments, the sixth resistor R6 and the seventh resistor R7 sample the electric quantity; the eighth resistor R8 and the ninth resistor R9 set a low voltage threshold, which is the minimum input voltage value of the first boost module 4; the first comparator A1 can be an LM358 comparator; and the first logic chip J1 can be an AND gate chip.

[0048] Further, the output control module 2 further comprises a tenth resistor R10, an eleventh resistor R11, a second comparator A2 and a third switch tube V3.

[0049] Specifically, one end of the tenth resistor R10 is connected to the moving end of the first button switch K1, the other end of the tenth resistor R10 is connected to the non-inverting terminal of the second comparator A2, the inverting terminal of the second comparator A2 is connected to the first end of the sixth resistor R6, the output terminal of the second comparator A2 is connected to the base of the third switch tube V3 and the cathode of the first diode D1, the collector of the third switch tube V3 is connected to the Y terminal of the first logic chip J1, and the emitter of the third switch tube V3 is connected to the other end of the eleventh resistor R11 and the ground terminal.

[0050] In specific embodiments, the eleventh resistor R11 and the tenth resistor R10 set an under-voltage threshold; the second comparator A2 can be an LM358 comparator; and the third switch tube V3 can be an NPN triode.

[0051] The output boost circuit of the energy storage device provides DC power by the energy storage device, the first power tube Q1 transmits the DC power to the first voltage booster IC1, the first voltage booster IC1 cooperates with the second inductor L2, the third resistor R3, the fourth diode D4, the fourth resistor R4, the fifth resistor R5 and the fourth capacitor to perform boost processing, and then supplies power to the power consumption device connected to the output interface, the sixth resistor R6 and the seventh resistor R7 detect the electric quantity of the energy storage device, when the electric quantity of the energy storage device is lower than the set low voltage threshold, that is, lower than the minimum input voltage of the first voltage booster IC1, the first comparator A1 outputs a high level, at this time, if it is needed to continue to control the energy storage device to perform power supply control, the first key switch K1 can be closed, so that the B end of the first logic chip J1 becomes a high level, the Y end of the first logic chip J1 controls the first switch tube V1 to be turned on, the first diode D1 controls the second switch tube V2 to be turned on, at this time, the EN end of the second voltage booster IC2 becomes a high level, the second voltage booster IC2 cooperates with the first inductor L1, the first capacitor C1, the first resistor R1, the second capacitor C2 and the third capacitor C3 to perform boost control, and the electric quantity provided by the energy storage device is boosted, the first power tube Q1 is cut off, the boosted electric quantity directly passes through the first voltage booster IC1 cooperates with the second inductor L2, the third resistor R3, the fourth diode D4, the fourth resistor R4, the fifth resistor R5 and the fourth capacitor to perform boost processing, until the electric quantity of the energy storage device is lower than the under-voltage threshold set by the tenth resistor R10 and the eleventh resistor R11, the second comparator A2 outputs a high level and controls the third switch tube V3 to be turned on, controls the first switch tube V1 to be cut off, and the second switch tube V2 is turned on, and then the boost work of the first voltage booster IC1 and the second voltage booster IC2 is stopped.

[0052] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in a descriptive sense only, and not for purposes of limitation. The scope of the present application is defined by the appended claims rather than by the foregoing description, and it is intended that all changes that come within the meaning and range of equivalency of the claims are embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0053] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An output boost circuit of an energy storage device, characterized in that, the output boost circuit of the energy storage device comprises an energy storage device module, an output control module, a discharge control module, a first boost module, a second boost module and an output module; the energy storage device module is configured to provide direct current power; the output control module is connected to the energy storage device module and configured to sample the electric quantity of the energy storage device module and output a sampling signal, set a low voltage threshold and an under-voltage threshold, output a first control signal when the sampling signal is less than the low voltage threshold and the energy storage device module needs to continue to be controlled to supply power, and stop outputting the first control signal and output a second control signal when the sampling signal is less than the under-voltage threshold; the discharge control module is connected to the energy storage device module, the first boost module and the output control module, and configured to transmit the direct current power to the first boost module and stop transmitting the direct current power when the first control signal or the second control signal is received; the first boost module is connected to the second boost module, configured to boost and adjust the direct current power transmitted by the discharge control module or the second power transmitted by the second boost module and output a first power; the second boost module is connected to the output control module and the energy storage device module, configured to boost and adjust the direct current power and output a second power when the first control signal is received, and stop the boost and adjustment work when the first control signal is received; the output module is connected to the first boost module and configured to receive the first power and connect to a power consumption device.

2. The output step-up circuit of an energy storage device according to claim 1, wherein the energy storage device module comprises an energy storage device; the output control module comprises a second resistor, a first power tube, a second switch tube, a first diode and a second diode; a first end of the energy storage device is connected to the drain of the first power tube and connected to the gate of the first power tube and the collector of the second switch tube through the second resistor, the base of the second switch tube is connected to the cathode of the first diode, the anode of the first diode is connected to the output control module, the source of the first power tube is connected to the anode of the second diode, the cathode of the second diode is connected to the first boost module, and a second end of the energy storage device is connected to the emitter of the second switch tube and the ground end.

3. The output voltage boosting circuit of an energy storage device according to claim 2, wherein the first boost module comprises a second inductor, a third resistor, a first booster, a fourth diode, a fourth resistor, a fifth resistor and a fourth capacitor; and the output module comprises an output interface; a first end of the second inductor is connected to the cathode of the second diode and the IN end of the first booster and connected to the EN end of the first booster through the third resistor, a second end of the second inductor is connected to the SW end of the first booster and the anode of the fourth diode, the cathode of the fourth diode is connected to one end of the fourth capacitor and the first end of the output interface and connected to the other end of the fourth capacitor, one end of the fifth resistor and the FB end of the first booster through the fourth resistor, the other end of the fifth resistor is connected to the GND end of the first booster, the second end of the output interface and the ground end.

4. The output voltage boosting circuit of an energy storage device according to claim 3, wherein the second boost module comprises a first inductor, a first capacitor, a first resistor, a second capacitor, a second booster, a third diode, a first switch tube and a third capacitor; The first end of the first inductor is connected to one end of the first capacitor and the first end of the energy storage device, the other end of the first inductor is connected to the SW end of the second voltage booster and one end of the second capacitor through the first resistor, the EN end of the second voltage booster is connected to the emitter of the first switch tube, the collector of the first switch tube is connected to the anode of the third diode and the OUT end of the second voltage booster and is connected to the GND end of the second voltage booster, the other end of the second capacitor, the other end of the first capacitor and the second end of the energy storage device through the third capacitor, the base of the first switch tube is connected to the anode of the first diode and the output control module, the cathode of the third diode is connected to the cathode of the second diode and the first end of the second inductor.

5. The output voltage boosting circuit of an energy storage device according to claim 4, wherein The output control module comprises a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first comparator, a first logic chip, a first key switch and a twelfth resistor. The first end of the sixth resistor is connected to the moving end of the first key switch and the first end of the energy storage device and is connected to the non-inverting terminal of the first comparator and the first end of the ninth resistor through the eighth resistor, the second end of the sixth resistor is connected to the inverting terminal of the first comparator and is connected to the second end of the ninth resistor and the second end of the energy storage device through the seventh resistor, the output end of the first comparator is connected to the A end of the first logic chip, the B end of the first logic chip is connected to the static end of the first key switch through the twelfth resistor, and the Y end of the first logic chip is connected to the base of the first switch tube and the anode of the first diode.

6. The output voltage boosting circuit of an energy storage device according to claim 5, wherein The output control module further comprises a tenth resistor, an eleventh resistor, a second comparator and a third switch tube. One end of the tenth resistor is connected to the moving end of the first key switch, the other end of the tenth resistor is connected to the non-inverting terminal of the second comparator, the inverting terminal of the second comparator is connected to the first end of the sixth resistor, the output end of the second comparator is connected to the base of the third switch tube and the cathode of the first diode, the collector of the third switch tube is connected to the Y end of the first logic chip, and the emitter of the third switch tube is connected to the other end of the eleventh resistor and the ground end.

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