CN212898768U - Diesel engine pump set double-storage-battery switching device matched with direct-current 12V starting motor - Google Patents
Diesel engine pump set double-storage-battery switching device matched with direct-current 12V starting motor Download PDFInfo
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- CN212898768U CN212898768U CN202021890256.1U CN202021890256U CN212898768U CN 212898768 U CN212898768 U CN 212898768U CN 202021890256 U CN202021890256 U CN 202021890256U CN 212898768 U CN212898768 U CN 212898768U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a diesel engine field, concretely relates to supporting two battery auto-change over devices of diesel engine pump package of 12V starter motor, be 12V's No. I group battery, No. II group battery and auxiliary battery including voltage, wherein connect at starter motor's both ends after I group battery and No. II group battery are parallelly connected each other, auxiliary battery and No. I group battery and/or No. II group battery establish ties the back and connect PLC's one end, PLC's the other end is connected to the switch board. The requirement of a power supply for a Programmable Logic Controller (PLC) is met by adding a 12V auxiliary storage battery in series connection with a starting battery of the starting motor, so that the function of switching the double storage batteries of the diesel engine pump set of the 12V starting motor is realized through PLC programming control. The structure has low cost, sensitive action and quick effect.
Description
Technical Field
The utility model relates to a diesel engine field, concretely relates to supporting DC 12V starter motor's two battery auto-change over devices of diesel engine pump package.
Background
The diesel engine fire pump set has the characteristics of good starting characteristic, strong overload capacity, compact and reasonable structure, convenience in maintenance, simplicity and reliability in use and the like. The unit has the protection functions of over speed, low oil pressure, three-time starting failure, high water temperature, low oil level, low storage battery voltage and the like. Meanwhile, the remote monitoring system can be connected with a fire alarm automatic alarm device or a fire-fighting system centralized control cabinet of a client to realize the remote monitoring function, is fire-fighting equipment with high reliability and is widely used at present.
According to the requirements of GB6245-2006, the diesel engine fire pump unit must meet the cycle test of 6 times starting of two groups of storage batteries respectively and other fire-fighting specifications. In order to meet the standard requirements, the diesel engine control cabinet needs to be programmed by a Programmable Logic Controller (PLC) to complete a series of functions. The power supply of the diesel engine fire pump unit matched with the direct current 12V starting motor is direct current 12V, while the non-power supply in the market is direct current 12V PLC (programmable logic controller), and is mostly 24V direct current power supply, so that how to supply power to the PLC of the diesel engine fire pump unit matched with the direct current 12V starting motor is a technical problem which is urgently needed to be solved at present.
Disclosure of Invention
The utility model aims at providing a need not additionally to increase PLC power supply unit, two battery auto-change over devices of diesel engine pump package of supporting DC 12V starter motor with low costs.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a supporting two battery auto-change over device of diesel engine pump package of 12V starting motor, is including voltage No. I group battery, No. II group battery and the auxiliary battery of 12V, wherein connect at starting motor's both ends after No. I group battery and No. II group battery are parallelly connected each other, the auxiliary battery connect PLC's one end after establishing ties with No. I group battery and/or No. II group battery, PLC's the other end is connected to the switch board.
By adopting the technical scheme, the requirement of a power supply for the Programmable Logic Controller (PLC) is met by adding a 12V auxiliary storage battery in series connection with the starting battery of the starting motor, so that the function of switching the double storage batteries of the diesel engine pump set of the 12V starting motor is realized through PLC programming control. The structure has low cost, sensitive action and quick effect.
Drawings
FIG. 1 is a control schematic diagram of the present invention;
fig. 2 is a wiring diagram of the contactor.
Detailed Description
A diesel engine pump set double-storage-battery switching device matched with a direct-current 12V starting motor comprises a battery pack I110, a battery pack II 120 and an auxiliary storage battery 130, wherein the voltage of the battery pack I110 and the voltage of the battery pack II 120 are 12V, the battery pack I110 and the battery pack II 120 are connected in parallel and then connected to two ends of a starting motor 140, the auxiliary storage battery 130 is connected with one end of a PLC after being connected with the battery pack I110 and/or the battery pack II 120 in series, and the other end of the PLC is connected to a control cabinet.
Battery packs I110 and II 120 are both starting batteries of the starting motor 140, and in order to meet the requirements of GB6245-2006, the battery packs I110 and II 120 are connected in parallel at two ends of the starting motor 140, namely one battery pack works and one battery pack is reserved. The utility model discloses establish ties a 12V's auxiliary battery at starting battery (the general name of No. I group battery 110, No. II group battery 120) to constitute 24V's power supply, reach the requirement for programmable controller PLC power supply, thereby realize the function that the two batteries of diesel engine pump package of 12V starter motor switched through PLC programming control. The structure has low cost, sensitive action and quick effect.
A diode 150 is connected in series in a circuit between the auxiliary storage battery 130 and the battery pack I110 and/or the battery pack II 120, the anode of the diode 150 is connected with the anode of the battery pack I110 and/or the battery pack II 120, and the cathode of the diode is connected with the cathode of the auxiliary storage battery 130. The diode 150 arrangement may ensure stability of the circuit.
The auxiliary battery 130 is connected in series with the battery pack I110 and the battery pack II 120 separately. Alternatively, the negative electrode of the auxiliary battery 130 is connected to the positive electrodes of the battery packs I, II, and 110, 120, respectively. Supplementary battery 130 can establish ties with No. I group battery 110 and constitute 24V's power supply, also can establish ties with No. II group battery 120 and constitute 24V's power supply, and these two kinds of circumstances also can coexist simultaneously certainly, during the use as required select can, the utility model discloses preferred this scheme, no matter which group battery is the starter motor 140 power supply, all can accomplish PLC and start, the reliability of this circuit is more reliable, more convenient.
A contactor KM4 is connected between the positive electrode of the I-type battery pack 110 and the starter motor 140.
A contactor KM5 is connected between the positive electrode of the No. II battery pack 120 and the starter motor 140.
A contactor KM2 is connected in series between the positive pole of the auxiliary storage battery 130 and the negative pole of the No. I battery pack 110, the contactor KM2 is used for controlling the action of the contactor KM4, wherein the rated voltage of the contactor KM2 is 24V, and the rated voltage of the contactor KM4 is 12V.
A contactor KM3 is connected in series between the positive electrode of the auxiliary storage battery 130 and the negative electrode of the battery pack II 120, the contactor KM3 is used for controlling the action of the contactor KM5, wherein the rated voltage of the contactor KM3 is 24V, and the rated voltage of the contactor KM5 is 12V.
An instantaneous contact relay KA1 is connected in series between the positive electrode of the auxiliary storage battery 130 and the contactor KM2, and an instantaneous contact relay KA2 is connected in series between the positive electrode of the auxiliary storage battery 130 and the contactor KM 3.
A fuse FU2 is connected in series between the positive electrode of the auxiliary storage battery 130 and the negative electrode of the No. I battery pack 110. A fuse FU1 is connected in series between the anode of the auxiliary battery 130 and the PLC. The arrangement of the fuses FU1 and FU2 can protect other components.
When the I battery pack 110 is selected to supply power, the PLC sends a command to control the coil of the direct-current 24V contactor KM2, and simultaneously the contact of KM2 controls the coil of the direct-current 12V contactor KM4 to conduct the contact of KM4, so that the purpose of supplying power to the starting motor 140 by the I battery pack 110 is achieved; similarly, when the battery pack II 120 is selected to supply power, the PLC sends a command to control the coil of the direct-current 24V contactor KM3, and the contact of the KM3 controls the coil of the direct-current 12V contactor KM5 to conduct the contact of the KM5, so that the purpose of supplying power to the starter motor 140 by the battery pack II 120 is achieved. And simultaneously, the function of switching the double storage batteries of the diesel engine pump set of the 12V starting motor is realized through PLC programming control.
Claims (10)
1. The utility model provides a two battery auto-change over device of diesel engine pump package of supporting direct current 12V starter motor which characterized in that: including voltage I No. group battery (110), II group battery (120) and auxiliary battery (130) that are 12V, wherein I No. group battery (110) and II group battery (120) connect the both ends at starter motor (140) after connecting in parallel each other, auxiliary battery (130) and I group battery (110) and/or II group battery (120) establish ties the back and connect PLC's one end, PLC's the other end is connected to the switch board.
2. The switching device of the double storage batteries of the diesel engine pump set matched with the direct current 12V starting motor according to claim 1 is characterized in that: a diode (150) is connected in series on a circuit between the auxiliary storage battery (130) and the No. I battery pack (110) and/or the No. II battery pack (120), the anode of the diode (150) is connected with the anode of the No. I battery pack (110) and/or the No. II battery pack (120), and the cathode of the diode is connected with the cathode of the auxiliary storage battery (130).
3. The diesel engine pump set double-storage-battery switching device matched with the direct-current 12V starting motor as claimed in claim 2, wherein the switching device comprises: the auxiliary storage battery (130) is connected with the battery pack I (110) and the battery pack II (120) in series independently.
4. The switching device of the double storage batteries of the diesel engine pump set matched with the direct current 12V starting motor, which is characterized in that: a contactor KM4 is connected between the positive pole of the I battery pack (110) and the starter motor (140).
5. The switching device of the double storage batteries of the diesel engine pump set matched with the direct current 12V starting motor, which is characterized in that: and a contactor KM5 is connected between the positive electrode of the II battery pack (120) and the starter motor (140).
6. The switching device of the double storage batteries of the diesel engine pump set matched with the direct current 12V starting motor, which is characterized in that: a contactor KM2 is connected in series between the positive electrode of the auxiliary storage battery (130) and the negative electrode of the No. I battery pack (110), the contactor KM2 is used for controlling the action of a contactor KM4, wherein the rated voltage of the contactor KM2 is 24V, and the rated voltage of the contactor KM4 is 12V.
7. The switching device of the double storage batteries of the diesel engine pump set matched with the direct current 12V starting motor, which is characterized in that: a contactor KM3 is connected in series between the positive electrode of the auxiliary storage battery (130) and the negative electrode of the battery pack II (120), the contactor KM3 is used for controlling the action of a contactor KM5, wherein the rated voltage of the contactor KM3 is 24V, and the rated voltage of the contactor KM5 is 12V.
8. The diesel engine pump set double-storage-battery switching device matched with the direct-current 12V starting motor according to claim 6 or 7, characterized in that: an instantaneous contact relay KA1 is connected in series between the positive electrode of the auxiliary storage battery (130) and the contactor KM2, and an instantaneous contact relay KA2 is connected in series between the positive electrode of the auxiliary storage battery (130) and the contactor KM 3.
9. The switching device of the double storage batteries of the diesel engine pump set matched with the direct current 12V starting motor of claim 8 is characterized in that: and a fuse FU2 is connected in series between the positive electrode of the auxiliary storage battery (130) and the negative electrode of the No. I battery pack (110).
10. The switching device of the double storage batteries of the diesel engine pump set matched with the direct current 12V starting motor of claim 9 is characterized in that: and a fuse FU1 is connected in series between the positive electrode of the auxiliary storage battery (130) and the PLC.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021890256.1U CN212898768U (en) | 2020-09-02 | 2020-09-02 | Diesel engine pump set double-storage-battery switching device matched with direct-current 12V starting motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021890256.1U CN212898768U (en) | 2020-09-02 | 2020-09-02 | Diesel engine pump set double-storage-battery switching device matched with direct-current 12V starting motor |
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| CN212898768U true CN212898768U (en) | 2021-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI827288B (en) * | 2022-09-30 | 2023-12-21 | 祥昇機電工業有限公司 | Electrical control system and method for an engine drive pump |
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- 2020-09-02 CN CN202021890256.1U patent/CN212898768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI827288B (en) * | 2022-09-30 | 2023-12-21 | 祥昇機電工業有限公司 | Electrical control system and method for an engine drive pump |
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