Diesel generator starting system

Abstract

A diesel generator starting system comprises a charger (200) which is provided with a positive electrode interface (210) and a negative electrode interface (220); the diesel generator starting system further comprises a super capacitor (400). The super capacitor is provided with a positive terminal (410), a negative terminal (420) and a starting terminal (430); the positive electrode interface of the charger is connected with the positive electrode terminal of the super capacitor; a cathode interface of the charger is connected with a cathode terminal of the super capacitor and is used for being connected with a cathode of a starting interface of a diesel generator (100); the starting terminal of the super capacitor is used for being connected with the positive electrode of the starting interface of the diesel generator. According to the diesel generator starting system, by means of the advantages of high power, long service life, no maintenance and low temperature resistance of the super capacitor, reliable and stable starting of the diesel generator is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of diesel generators, and in particular to a starting system for a diesel generator. Background Art

[0002] Diesel generator systems are one of the emergency power supplies widely used in fields such as data centers and supercomputer centers. In the event of a municipal power outage, the UPS or high-voltage DC backup energy storage system in such places enters the discharge mode, which can briefly provide electrical energy to maintain the normal operation of the equipment in the place. To ensure the continuity and long-term supply of power to the equipment in the place, the configured diesel generator needs to be quickly started, paralleled, and provide power protection to the entire power consumption place. Reasonably configuring the starting system of the diesel generator determines the safety, reliability, and long-term operation of the uninterrupted power supply of the equipment. During the preliminary design and planning process of such power consumption places, the diesel generator should be reasonably configured according to the capacity of the incoming mains power as a disaster backup emergency power supply guarantee.

[0003] As Figure 1 shown, in the above power consumption places, the diesel generator 100 mostly uses the battery 300 as the emergency starting power source to ensure that the diesel generator can be stably and reliably started, operated, and switched on for power supply in an emergency. The power starting system directly connects the parallel battery packs to the engine starting interface of the diesel generator 100 to supply power to the engine starting interface, and configures a charger 200 to charge the battery. When the battery pack fails or its performance decays and ages, it will lead to a decrease in the starting success rate of the diesel engine unit or even starting failure, resulting in power supply interruption and thus economic losses. Summary of the Invention

[0004] In view of the above technical problems, the present invention proposes a starting system for a diesel generator.

[0005] The present invention provides the following technical solutions:

[0006] The present invention proposes a starting system for a diesel generator, including a charger, the charger having a positive electrode interface and a negative electrode interface;

[0007] The starting system of the diesel generator further includes a super capacitor; the super capacitor has a positive terminal, a negative terminal, and a starting terminal;

[0008] The positive electrode interface of the charger is connected to the positive terminal of the super capacitor; the negative electrode interface of the charger is connected to the negative terminal of the super capacitor and is used to be connected to the negative electrode of the starting interface of the diesel generator;

[0009] The starting terminal of the super capacitor is used to be connected to the positive electrode of the starting interface of the diesel generator.

[0010] In the above-mentioned diesel generator starting system of the present invention, there are multiple supercapacitors. The positive terminals of the multiple supercapacitors are connected together; the negative terminals of the multiple supercapacitors are connected together; and the starting terminals of the multiple supercapacitors are connected together.

[0011] In the above-mentioned diesel generator starting system of the present invention, the supercapacitor includes a bottom case and multiple supercapacitor monomers accommodated in the bottom case; it further includes an upper cover installed on the bottom case for enclosing the multiple supercapacitor monomers in the bottom case.

[0012] In the above-mentioned diesel generator starting system of the present invention, the supercapacitor further includes a first protective sleeve and a second protective sleeve; the first protective sleeve and the second protective sleeve are oppositely arranged and clamp the multiple supercapacitor monomers therebetween.

[0013] In the above-mentioned diesel generator starting system of the present invention, the supercapacitor further includes a control board electrically connected to the supercapacitor monomers, and further includes a protective cover respectively connected to the first protective sleeve and the second protective sleeve for fixing the control board.

[0014] In the above-mentioned diesel generator starting system of the present invention, the diesel generator starting system further includes a battery;

[0015] The positive interface of the charger is also connected to the positive pole of the battery, and the negative interface of the charger is also connected to the negative pole of the battery.

[0016] In the above-mentioned diesel generator starting system of the present invention, there are multiple batteries. The positive poles of the multiple batteries are connected together, and the negative poles of the multiple batteries are connected together.

[0017] By introducing supercapacitors, the diesel generator starting system of the present invention can form a pure supercapacitor starting power supply or a hybrid starting power supply in cooperation with the original battery, and solve the deficiencies of traditional battery-type starting power supplies by virtue of the advantages of supercapacitors such as high power, long life, maintenance-free, and low-temperature resistance, thereby ensuring reliable and stable starting of the diesel generator. Brief Description of the Drawings

[0018] The present invention will be further described below with reference to the drawings:

[0019] Figure 1 Shows a structural schematic diagram of an existing diesel generator starting system;

[0020] Figure 2 Shows a structural schematic diagram of the diesel generator starting system according to the first embodiment of the present invention;

[0021] Figure 3 Shows Figure 2 An external structural schematic diagram of the supercapacitor of the diesel generator starting system shown;

[0022] Figure 4 shows Figure 2 a schematic internal structure diagram of the supercapacitor of the diesel generator starting system shown;

[0023] Figure 5 shows Figure 2 a schematic connection structure diagram of multiple supercapacitor monomers of the supercapacitor of the diesel generator starting system shown;

[0024] Figure 6 shows a schematic structure diagram of the diesel generator starting system according to the second embodiment of the present invention. Detailed implementation manners

[0025] The technical problems to be solved by the present invention are: problems such as unreliable starting, short lifespan, low-temperature failure, and frequent maintenance caused by using a traditional battery-type starting power source for diesel generators. The technical solution proposed by the present invention to solve this technical problem is: by introducing a supercapacitor into the system, a pure supercapacitor starting power source can be formed or a hybrid starting power source can be formed in cooperation with the original battery, and the deficiencies of the traditional battery-type starting power source are solved by virtue of the advantages of high power, long lifespan, maintenance-free, and low-temperature resistance of the supercapacitor, thereby ensuring reliable and stable starting of the diesel generator.

[0026] In order to make the technical solution, technical purpose, and technical effect of the invention clearer so that those skilled in the art can understand and implement the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] The starting power source of a traditional diesel generator usually uses a battery, as Figure 1 shown. The charger works when there is alternating current in the outside world to charge the battery, so that the battery is in a fully charged state for a long time, and at this time the diesel generator does not work. When there is no alternating current in the outside world (power grid power failure), the diesel generator is started under the control command of the outside system, and the battery acts as the starting power source. Since the performance of the battery decays during long-term use and its lifespan is short, in order to maintain reliable starting of the diesel generator, it is necessary to regularly detect, maintain, and replace the battery, and the maintenance cost is relatively high.

[0028] In this embodiment, there are two ways for the supercapacitor to act as the starting power source. One is a pure supercapacitor power backup system, as Figure 2 shown; the other is a hybrid power backup system of the supercapacitor and the battery, as Figure 6 shown. Based on the advantages of high power, long lifespan, maintenance-free, and low-temperature resistance of the supercapacitor, introducing the supercapacitor into the starting power source can effectively improve the starting success rate of the diesel generator and extend the lifespan of the battery in the original system. The battery or the supercapacitor module can be connected in parallel in multiple numbers, and the number of parallel connections depends on the energy required for starting the diesel generator.

[0029] The first embodiment

[0030] As Figure 2 shown, Figure 2 Figure 1 shows a schematic structural diagram of a diesel generator starting system according to the first embodiment of the present invention; the diesel generator starting system includes a charger 200, and the charger 200 has a positive electrode interface 210 and a negative electrode interface 220;

[0031] The diesel generator starting system further includes a supercapacitor 400; the supercapacitor 400 has a positive terminal 410, a negative terminal 420, and a starting terminal 430;

[0032] The positive electrode interface 210 of the charger 200 is connected to the positive terminal 410 of the supercapacitor 400; the negative electrode interface 220 of the charger 200 is connected to the negative terminal 420 of the supercapacitor 400 and is used to be connected to the negative electrode of the starting interface of the diesel generator 100;

[0033] The starting terminal 430 of the supercapacitor 400 is used to be connected to the positive electrode of the starting interface of the diesel generator 100.

[0034] In the above technical solution, the supercapacitor 400 is a supercapacitor with a three - electrode system; the positive electrode interface 210 of the charger 200 is connected to the positive terminal 410 of the supercapacitor 400, and the negative electrode interface 220 of the charger 200 is connected to the negative terminal 420 of the supercapacitor 400 to realize the charging of the supercapacitor by the charger; the starting terminal 430 serves as a current output terminal to output current to the diesel generator 100.

[0035] Further, in this embodiment, there may be multiple supercapacitors 400. The positive terminals 410 of the multiple supercapacitors 400 are connected together; the negative terminals 420 of the multiple supercapacitors 400 are connected together; the starting terminals 430 of the multiple supercapacitors 400 are connected together.

[0036] As Figures 3 - 5 shown, Figure 3 Figure 2 shows Figure 2 the external structural schematic diagram of the supercapacitor of the diesel generator starting system shown in Figure 1; Figure 4 Figure 3 shows Figure 2 the internal structural schematic diagram of the supercapacitor of the diesel generator starting system shown in Figure 1; Figure 5 Figure 4 shows Figure 2Schematic diagram of the connection structure of multiple supercapacitor monomers of the supercapacitor in the shown diesel generator starting system. In this embodiment, the supercapacitor 400 includes a bottom case 450 and multiple supercapacitor monomers 440 accommodated in the bottom case 450; it further includes an upper cover 460 installed on the bottom case 450 for enclosing the multiple supercapacitor monomers 440 in the bottom case 450. The supercapacitor monomers 440 are used to store energy.

[0037] Further, as Figure 4 shown, in order to define the relative positions between the multiple supercapacitor monomers 440, the supercapacitor 400 further includes a first protective sleeve 470 and a second protective sleeve 471; the first protective sleeve 470 and the second protective sleeve 471 are oppositely arranged and clamp the multiple supercapacitor monomers 440 therebetween;

[0038] Further, as Figure 4 and Figure 5 shown, the supercapacitor 400 further includes a control board 480 electrically connected to the supercapacitor monomers 440, which is used to implement functions such as voltage monitoring, voltage equalization, charging management, temperature detection, and status display of the supercapacitor monomers 440. The supercapacitor 400 further includes a protective cover 490 respectively connected to the first protective sleeve 470 and the second protective sleeve 471 for fixing the control board 480. The protective cover 490 is used for the installation and protection of the control board 480.

[0039] Further, the multiple supercapacitor monomers 440 are connected in series through a metal connecting piece 500 to achieve the conductive function. Such a metal connecting piece 500 is connected to the supercapacitor monomers 440 by laser welding.

[0040] The supercapacitor 400 further includes metal wires to connect the metal connecting piece and the control board to each other. Through this wire, the control board can collect the voltage of each supercapacitor monomer and achieve current conduction, so as to achieve voltage equalization and overvoltage detection of all internal supercapacitor monomers.

[0041] The supercapacitor 400 further includes metal terminals for external connection to other structures and requires wires for connection. Further, the supercapacitor 400 further includes a reset button. When the supercapacitor 400 is abnormal, the supercapacitor 400 can be restarted by using this reset button.

[0042] Further, the supercapacitor 400 further includes an external two-color indicator light, and its function is: status indication, and the specific status includes: charging, fully charged, insufficient power, overvoltage alarm status.

[0043] Second Embodiment

[0044] The difference between the second embodiment and the first embodiment is only that: the diesel generator starting system further includes a battery 600.

[0045] As Figure 6 shown Figure 6 shown is a schematic structural diagram of a diesel generator starting system according to a second embodiment of the present invention; the positive electrode interface 210 of the charger 200 is also connected to the positive electrode of the battery 600, and the negative electrode interface 220 of the charger 200 is also connected to the negative electrode of the battery 600.

[0046] Further, there may be multiple batteries 600, the positive electrodes of the multiple batteries 600 are connected together, and the negative electrodes of the multiple batteries 600 are connected together.

[0047] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope protected by the claims of the present invention. All of these are within the protection scope of the present invention.

Claims

1. A diesel generator starting system, characterized in that, It includes a charger (200) which has a positive electrode interface (210) and a negative electrode interface (220). The diesel generator starting system further includes a super capacitor (400); the super capacitor (400) has a positive terminal (410), a negative terminal (420) and a starting terminal (430). The positive electrode interface (210) of the charger (200) is connected to the positive terminal (410) of the super capacitor (400); the negative electrode interface (220) of the charger (200) is connected to the negative terminal (420) of the super capacitor (400) and is used to be connected to the negative electrode of the starting interface of the diesel generator (100). The starting terminal (430) of the super capacitor (400) is used to be connected to the positive electrode of the starting interface of the diesel generator (100).

2. The diesel generator starting system according to claim 1, characterized in that, There are multiple super capacitors (400), the positive terminals (410) of the multiple super capacitors (400) are connected together; the negative terminals (420) of the multiple super capacitors (400) are connected together; the starting terminals (430) of the multiple super capacitors (400) are connected together.

3. The diesel generator starting system according to claim 1 or 2, characterized in that, The super capacitor (400) includes a bottom case (450) and multiple super capacitor monomers (440) accommodated in the bottom case (450); it further includes an upper cover (460) installed on the bottom case (450) and used to enclose the multiple super capacitor monomers (440) in the bottom case (450).

4. The diesel generator starting system according to claim 3, characterized in that, The super capacitor (400) further includes a first protective sleeve (470) and a second protective sleeve (471); the first protective sleeve (470) and the second protective sleeve (471) are arranged oppositely and clamp the multiple super capacitor monomers (440) therebetween.

5. The diesel generator starting system according to claim 4, characterized in that, The super capacitor (400) further includes a control board (480) electrically connected to the super capacitor monomers (440), and further includes a protective cover (490) respectively connected to the first protective sleeve (470) and the second protective sleeve (471) and used to fix the control board (480).

6. The diesel generator starting system according to claim 1, characterized in that, The diesel generator starting system further includes a battery (600). The positive electrode interface (210) of the charger (200) is further connected to the positive electrode of the battery (600), and the negative electrode interface (220) of the charger (200) is further connected to the negative electrode of the battery (600).

7. The diesel generator starting system according to claim 6, characterized in that, There are multiple batteries (600), the positive electrodes of the multiple batteries (600) are connected together, and the negative electrodes of the multiple batteries (600) are connected together.

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