Oil supply control device of generator set

The automated oil level control of the generator set oil supply control device solves the problem of limited oil tank space, improves safety and reliability, reduces oil supply costs, and avoids the risks of expansion or the use of large oil tanks.

CN223679556UActive Publication Date: 2025-12-16FUJIAN EVERSTRONG LEGA POWER EQUIP CO LTD
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Patent Information

Application Number
CN202520145104.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-16
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The space in the generator set chassis oil tank is limited, and the working time is limited and the cost is high when expanding the capacity. Placing a large oil tank poses safety hazards and high costs. How can we improve the safety and reliability of operation and reduce the cost of oil supply?

Method used

It adopts components such as PLC, analog-to-digital converter, oil level sensor, fire alarm, manual/automatic switch, manual/self-locking button group, contactor group, indicator light group, oil pump and oil suction pump to realize automated oil level control and manual mode switching. The oil level is automatically adjusted through oil level sensor and fire signal to avoid the use of expansion or large oil tanks.

Benefits of technology

It improves the operational safety and reliability of generator sets, reduces fuel supply costs, avoids shutdowns at critical moments, reduces fire risks, and saves on the cost of expansion or large fuel tanks.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an oil supply control device of a generator set in the technical field of generator sets. The output end of the analog-to-digital converter is connected with the PLC; the output end of the oil level sensor is connected with the analog-to-digital converter; the output end of the fire alarm is connected with the PLC; the input end of the manual and automatic change-over switch is connected with the PLC; the input end of the manual self-locking button group is connected with the output end of the manual and automatic change-over switch; the input end of the contactor group is connected with the PLC; the input end of the indicating lamp group is connected with the output end of the contactor group; the refueling pump is connected with the PLC, the manual-automatic change-over switch and the first self-locking button; and the oil well pump is connected with the PLC, the manual-automatic change-over switch and the second self-locking button. The utility model has the advantages that the safety and the reliability of the operation of the generator set are greatly improved, and the oil supply cost of the generator set is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to generator set technical field, especially points out a generator set oil supply control device. BACKGROUND

[0002] Generators Set is the complete mechanical equipment of other forms of energy conversion into electric energy, is widely used in industry, business, school, hospital and so on small and medium-sized enterprise power supply, generator set needs to consume a large amount of fuel in the process of working, and the space of generator set chassis oil tank is limited, only can supply generator set continuous work several hours.

[0003] If the capacity chassis oil tank is expanded, although the working time of the generator set can be prolonged, the prolonged working time is still very limited, and the power supply cost and safety problem are increased, if a large oil tank is placed beside the generator set, although the working time can be prolonged for a long time, there are problems of large floor space and high cost, and once a fire occurs, it is extremely dangerous, and the safety of life and property is seriously affected.

[0004] Therefore, how to provide a generator set oil supply control device, realize the safety and reliability of the generator set operation, reduce the generator set oil supply cost, become a technical problem to be solved. SUMMARY

[0005] The utility model wants to solve the technical problem, provide a generator set oil supply control device, realize the safety and reliability of the generator set operation, reduce the generator set oil supply cost.

[0006] The utility model is realized as follows: a generator set oil supply control device, comprising:

[0007] A PLC;

[0008] An analog-digital converter, the output is connected with the PLC;

[0009] A detection end is equipped with the oil level sensor of generator set oil tank, and the output is connected with the analog-digital converter;

[0010] A fire alarm, the output is connected with the PLC;

[0011] A hand self-switching switch, the input is connected with the PLC;

[0012] A manual self-locking button group, the input is connected with the output of hand self-switching switch;

[0013] A contactor group, the input is connected with the PLC;

[0014] An indicator group, an input end of which is connected with an output end of the contactor group;

[0015] An oiling pump, an output end of which is communicated with an oil inlet of the oil tank of the generator set, and which is connected with the PLC, the hand-automatic switch and the hand-automatic locking button group;

[0016] A pumping pump, an input end of which is communicated with an oil outlet of the oil tank of the generator set, and which is connected with the PLC, the hand-automatic switch and the hand-automatic locking button group.

[0017] Further, the hand-automatic locking button group comprises:

[0018] A first locking button, one end of which is connected with the hand-automatic switch, and the other end of which is connected with the oiling pump;

[0019] A second locking button, one end of which is connected with the hand-automatic switch, and the other end of which is connected with the pumping pump.

[0020] Further, the contactor group comprises:

[0021] A first contactor, one end of which is connected with the PLC, and the other end of which is connected with the indicator group;

[0022] A second contactor, one end of which is connected with the PLC, and the other end of which is connected with the indicator group.

[0023] Further, the indicator group comprises:

[0024] An oiling running light, which is connected with the first contactor;

[0025] An oiling stop light, which is connected with the first contactor;

[0026] A pumping running light, which is connected with the second contactor;

[0027] A pumping stop light, which is connected with the second contactor.

[0028] Further, it further comprises:

[0029] A power module, which is connected with the PLC.

[0030] Further, it further comprises:

[0031] A communication module, which is connected with the PLC.

[0032] Further, the communication module is at least one of a 2G communication module, a 3G communication module, a 4G communication module, a 5G communication module, an NB-IOT communication module, a LORA communication module, a WI FI communication module, a Bluetooth communication module, a ZigBee communication module or a wired communication module.

[0033] The utility model discloses the advantages are in:

[0034] Through setting up PLC, analog-digital converter, oil level sensor, fire alarm, hand -self switching switch, manual self -locking button group, contactor group, pilot lamp group, oil pump and oil pump, PLC can switch the working mode of oil pump and oil pump through hand -self switching switch, under manual mode, through manual self -locking button group to the oil pump and oil pump are self -locking, to carry out manual oiling or pumping oil, under automatic mode, the oil level signal that oil level sensor gathers is transmitted to PLC after analog-digital conversion through analog-digital converter, and PLC is based on oil level signal or the fire signal that fire alarm input, and the work of oil pump and oil pump is automatically controlled to carry out the automatic adjustment of the oil level of generator set oil tank, and the working state is indicated in real time through pilot lamp group, need not like traditional expansion oil tank or place big oil tank, to reduce the risk, and save the cost of expansion oil tank or purchase big oil tank, can also guarantee that the oil level of generator set keeps in the preset oil level interval and avoids shutdown at the critical moment, finally greatly improves the safety and reliability of generator set operation, greatly reduces the power supply cost of generator set. BRIEF DESCRIPTION OF DRAWINGS

[0035] The utility model will be further described below in combination with the embodiment with reference to the drawings.

[0036] Fig. 1 It is the circuit principle block diagram of a kind of generator set oil supply control device of the utility model.

[0037] Fig. 2 It is the circuit principle block diagram of PLC of the utility model.

[0038] Marking explanation:

[0039] 100-a kind of generator set oil supply control device, 1-PLC, 2-analog-digital converter, 3-oil level sensor, 4-fire alarm, 5-hand -self switching switch, 6-manual self -locking button group, 7-contactor group, 8-pilot lamp group, 9-oil pump, 10-oil pump, 11-power module, 12-communication module, 61-first self -locking button, 62-second self -locking button, 71-first contactor, 72-second contactor, 81-oil running lamp, 82-oil stop lamp, 83-oil running lamp, 84-oil stop lamp. DETAILED DESCRIPTION

[0040] The utility model discloses an embodiment provides a generator set oil supply control device 100, solved the space of the existing technology generator set chassis oil tank is limited, if the working time of the extension of the expansion chassis oil tank is still very limited, and will increase the power supply cost and safety problem, if the big oil tank is placed at the generator set side, but there is the problem of large floor space, high cost, and once the fire is extremely dangerous technical problem, realize the great promotion generator set operation's safety and reliability, greatly reduce the technical effect of the oil supply cost of generator set.

[0041] The technical scheme in the utility model embodiment solves the above problems, and the general idea is as follows: PLC1 automatically controls the working of the oil pump 9 and the oil pump 10 based on the oil level signal collected by the oil level sensor 3 or the fire signal input by the fire alarm 4, so as to automatically adjust the oil level of the generator set oil tank, and the working state is indicated in real time through the indicator light group 8, without expanding the oil tank or placing a large oil tank as in the prior art, the oil level of the generator set can be kept in the preset oil level interval to avoid shutdown at critical moment, and the safety and reliability of the generator set operation are improved, and the oil supply cost of the generator set is reduced.

[0042] In order to better understand the above technical scheme, the above technical scheme will be described in detail below in combination with the drawings of the specification and the specific embodiments.

[0043] Please refer to Figs. 1-2 The preferred embodiment of the utility model discloses a generator set oil supply control device 100, which comprises:

[0044] A PLC1 is used for controlling the working of the generator set oil supply control device 100, and in the specific implementation, as long as a PLC capable of realizing this function is selected from the prior art, and the type is not limited, and the control program is well known to those skilled in the art, which can be obtained without creative labor by those skilled in the art;

[0045] An analog-to-digital converter 2 is connected with the PLC1 at the output end, and is used for analog-to-digital conversion of the collected oil level signal;

[0046] An oil level sensor 3 is arranged at the oil level of the generator set oil tank, and the output end is connected with the analog-to-digital converter 2, and is used for detecting the oil level of the oil tank;

[0047] A fire alarm 4 is connected with the PLC1 at the output end, and is used for inputting the fire signal, that is, when there is a fire, the oil pump 10 needs to be controlled to pump oil to reduce the oil level, and then the risk is reduced;

[0048] A hand self-switching switch 5 is connected with the PLC1 at the input end, and is used for switching the working mode of oiling and oil pumping;

[0049] A manual self-locking button group 6, the input end is connected with the output end of the hand self-switching switch 5, for self-locking the oil pump 9 or the oil pump 10;

[0050] A contactor group 7, the input end is connected with the PLC 1, for on-off the indicator light group 8;

[0051] An indicator light group 8, the input end is connected with the output end of the contactor group 7, for indicating the working state of the oil pump 9 and the oil pump 10;

[0052] An output end is communicated with the oil inlet of the generator set oil tank, and the oil pump 9 is connected with the PLC 1, the hand self-switching switch 5 and the first self-locking button 61 of the manual self-locking button group 6, for adding oil to the oil tank;

[0053] An input end is communicated with the oil outlet of the generator set oil tank, and the oil pump 10 is connected with the PLC 1, the hand self-switching switch 5 and the second self-locking button 62 of the manual self-locking button group 6, for pumping oil from the oil tank.

[0054] The manual self-locking button group 6 includes:

[0055] A first self-locking button 61, one end is connected with the hand self-switching switch 5, and the other end is connected with the oil pump 9, for self-locking the oil pump 9;

[0056] A second self-locking button 62, one end is connected with the hand self-switching switch 5, and the other end is connected with the oil pump 10, for self-locking the oil pump 10.

[0057] The contactor group 7 includes:

[0058] A first contactor 71, one end is connected with the PLC 1, and the other end is connected with the indicator light group 8;

[0059] A second contactor 72, one end is connected with the PLC 1, and the other end is connected with the indicator light group 8.

[0060] The indicator light group 8 includes:

[0061] An oil running lamp 81 is connected with the first contactor 71;

[0062] An oil stop lamp 82 is connected with the first contactor 71;

[0063] An oil running lamp 83 is connected with the second contactor 72;

[0064] An oil stop lamp 84 is connected with the second contactor 72.

[0065] Further including:

[0066] A power module 11 is connected with the PLC 1, and is used for supplying power to the PLC 1.

[0067] Further comprising:

[0068] A communication module 12 is connected with the PLC 1, and is used for communicating with the outside world to carry out remote control and data reporting.

[0069] The communication module 12 is at least one of a 2G communication module, a 3G communication module, a 4G communication module, a 5G communication module, an NB-IOT communication module, a LORA communication module, a WI FI communication module, a Bluetooth communication module, a ZigBee communication module or a wired communication module.

[0070] The utility model working principle:

[0071] The PLC 1 sets an oil level interval, switches the hand self switching switch 5 to the automatic mode based on the input control instruction, collects the oil level signal of the oil tank in real time based on the oil level sensor 3, controls the work of the oil filling pump 9 and the oil pump 10, so that the oil level of the oil tank is maintained in the oil level interval, and the running state of the oil filling pump 9 and the oil pump 10 is indicated through the indicator lamp set 8;When the PLC 1 receives the fire signal input by the fire alarm 4, the oil pump 10 is automatically controlled to pump the oil in the oil tank out until it drops to the preset oil level threshold.

[0072] In summary, the utility model has the advantages that:

[0073] By setting PLC, analog-digital converter, oil level sensor, fire alarm, hand self switching switch, manual self locking button group, contactor group, indicator lamp set, oil filling pump and oil pump, the PLC can switch the working mode of the oil filling pump and the oil pump through the hand self switching switch;In the manual mode, the oil filling pump and the oil pump are self-locked through the manual self locking button group to carry out manual oil filling or oil pumping;In the automatic mode, the oil level signal collected by the oil level sensor is transmitted to the PLC after analog-digital conversion by the analog-digital converter, and the PLC automatically controls the work of the oil filling pump and the oil pump based on the oil level signal or the fire signal input by the fire alarm, so as to automatically adjust the oil level of the oil tank of the generator set, and the working state is indicated in real time through the indicator lamp set, without expanding the oil tank or placing a large oil tank as in the traditional way, so as to reduce the risk, save the cost of expanding the oil tank or purchasing a large oil tank, and also ensure that the oil level of the generator set is maintained in the preset oil level interval to avoid shutdown at critical moment, finally greatly improve the safety and reliability of the generator set operation, and greatly reduce the oil supply cost of the generator set.

[0074] Although the specific embodiments of the present application are described above, those skilled in the art should understand that the specific embodiments described by us are only illustrative, not for limiting the scope of the present application, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present application should be covered within the scope of the claims of the present application.

Claims

1. An oil supply control device for a generator set, characterized by: The utility model relates to a kind of generator set oil level monitoring system, including: A PLC; An analog-digital converter, output end is connected with the PLC; A detection end is arranged in the oil level sensor of generator set oil tank, output end is connected with the analog-digital converter; A fire alarm, output end is connected with the PLC; A hand self-switching switch, input end is connected with the PLC; A hand-operated self-locking button group, input end is connected with the output end of the hand self-switching switch; A contactor group, input end is connected with the PLC; An indicating lamp group, input end is connected with the output end of the contactor group; An output end is communicated with the oil inlet of generator set oil tank with the oil pump, and it is connected with the PLC, hand self-switching switch and hand-operated self-locking button group; An input end is communicated with the oil outlet of generator set oil tank with the oil pump, and it is connected with the PLC, hand self-switching switch and hand-operated self-locking button group.

2. An oil supply control device for a generator set according to claim 1, characterized in that: The hand-operated self-locking button group includes: A first self-locking button, one end is connected with the hand self-switching switch, and the other end is connected with the oil pump; A second self-locking button, one end is connected with the hand self-switching switch, and the other end is connected with the oil pump.

3. An oil supply control device for a generator set according to claim 1, characterized in that: The contactor group includes: A first contactor, one end is connected with the PLC, and the other end is connected with the indicating lamp group; A second contactor, one end is connected with the PLC, and the other end is connected with the indicating lamp group.

4. An oil supply control device for a generator set according to claim 3, characterized in that: The indicating lamp group includes: An oil filling running lamp, is connected with the first contactor; An oil filling stop lamp, is connected with the first contactor; An oil pumping running lamp, is connected with the second contactor; An oil pumping stop lamp, is connected with the second contactor.

5. An oil supply control device for a generator set according to claim 1, characterized in that: Further including: A power module, is connected with the PLC.

6. An oil supply control device for a generator set according to claim 1, characterized in that: Further including: A communication module, is connected with the PLC.

7. An oil supply control device for a generator set according to claim 6, characterized in that: The communication module is at least one in 2G communication module, 3G communication module, 4G communication module, 5G communication module, NB-IOT communication module, LORA communication module, WIFI communication module, Bluetooth communication module, ZigBee communication module or wired communication module.