CN211701521U - 24V standby power supply monitoring and under-voltage automatic charging device for harbor operation ship - Google Patents
24V standby power supply monitoring and under-voltage automatic charging device for harbor operation ship Download PDFInfo
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- CN211701521U CN211701521U CN201922411742.4U CN201922411742U CN211701521U CN 211701521 U CN211701521 U CN 211701521U CN 201922411742 U CN201922411742 U CN 201922411742U CN 211701521 U CN211701521 U CN 211701521U
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Abstract
A24V standby power supply monitoring and undervoltage automatic charging device for a harbor operation ship solves the problem that the charging time and the initial charging voltage are inconsistent during each charging; including contactor KA1 and contactor KA2 normally open contact of connection between main power supply and battery charger terminal, two way control mainlines are drawn forth to the main power supply terminal, insert the manual switch K and the contactor KA1 coil of establishing ties, and five group's circuits are parallelly connected to two way control mainlines, are respectively: a coil of the time controller SK; a normally open contact of the time controller SK, a normally open contact JC1 of the voltage monitoring module JC and a contactor KA2 coil are connected in series; a normally closed delay opening contact KT21 of a time relay KT2, a normally open delay opening contact of a power-off delay relay KT1 and a coil of a power-off delay relay KT1 which are connected in series; a time relay KT 2; the time relay KT2 is connected in series with a normally open time-delay closed contact KT22 and an electrified time-delay relay KT3 coil.
Description
Technical Field
The utility model relates to a power monitoring devices especially relates to a 24V stand-by power supply monitoring and under-voltage automatic charging device of harbour operation ship.
Background
The 24V standby power supply system of the ship is an important guarantee for equipment such as a ship host, a steering oar, a communication device, a power system, escape lighting and the like, and plays a significant role in ship operation and ship safety.
The port ship standby power supply comprises two groups of storage batteries, one group is used, and the other group is standby. The functions of the two groups of storage batteries can be mutually converted, and the standby storage battery pack is used for charging.
At present, voltage monitoring of a used storage battery pack and charging of a standby storage battery pack are always completed manually. The electrical connections of the charging mode are: only one contactor normally open contact is arranged between the main power supply and the storage battery charger, and the relay coil is powered on or powered off through a manual control switch, so that the storage battery charging is started and stopped. It has the following problems:
1. if an operator makes a mistake, the backup battery may be short of voltage and the backup function may be lost.
2. The operation completely depends on subjective judgment of individuals, and the problems of untimely charging, insufficient charging time, overlong charging time and the like occur due to different personal experiences and cognition, so that the service life of the storage battery is shortened, the electric energy is wasted, and the charging equipment is in ineffective consumption.
3. The charging time and the initial charging voltage are inconsistent and irregular during each charging.
4. The highest temperature in the charging room of the ship rear deck and the daytime in summer in the storage battery room can reach 50 ℃, and the ship rear deck and the storage battery room are not suitable for charging.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an above-mentioned problem that prior art exists is solved, a can realize taking ship 24V stand-by power supply monitoring and under-voltage automatic charging device in the harbor of the voltage monitoring with storage battery and stand-by storage battery, the under-voltage automatic function of charging of stand-by storage battery is provided.
The technical solution of the utility model is that: A24V standby power monitoring and undervoltage automatic charging device for ships in harbors comprises a normally open contact KA11 of a contactor KA1 connected between a main power supply terminal and a storage battery charger terminal, wherein two control main lines of a charging circuit are led out from the main power supply terminal, and a manual switch K and a contactor KA1 coil which are connected in series are connected between two lines after passing through a fuse FU1 and a fuse FU2, and the device is characterized in that: a contactor KA2 normally open contact is connected between a main power supply terminal and a charger terminal; the two control main lines are connected with five groups of circuits in parallel between two lines after passing through fuses FU1 and FU 2; wherein
Coils of an access time controller SK in the first group of circuits;
a normally open contact of a time controller SK, a normally open contact JC1 of a voltage monitoring module JC for monitoring the voltage of a standby battery and an automatic charging contactor KA2 coil which are connected in series are connected into the second group of circuits, and a wiring point is arranged between the contactor KA2 coil and a normally open contact IC1 of the voltage monitoring module JC and is connected with a wiring point of the third group of circuits;
a normally closed delay opening contact KT21 of a time relay KT2, a normally open delay opening contact of a power-off delay relay KT1 and a power-off delay relay KT1 coil which are connected in series are connected into the third group of circuits, and a wiring point is arranged between the power-off delay relay KT1 coil and the normally open delay opening contact KT1 and is connected with wiring points of the second group of circuits;
a time relay KT2 is connected in the fourth group of circuits;
a time relay KT2 normally-open time-delay closed contact KT22 and an electrified time-delay relay KT3 coil are connected in series in the fifth group of circuits;
the time relay is also provided with a starting end and a resetting end; a normally open contact KA22 of the contactor KA2 is connected with a starting end of the time relay KT2, and a normally open delay closed contact of the electrifying delay KT3 is connected with a resetting end of the time relay KT 2;
and the power supply of the voltage monitoring module JC is supplied by an active storage battery pack.
Furthermore, a sixth group of circuits is arranged between two lines of the two control main lines passing through fuses FU1 and FU2, and the sixth group of circuits is connected to a power indicator lamp.
Furthermore, two way control mainlines still are equipped with seventh group circuit between two lines behind fuse FU1 and FU2, seventh group circuit includes the first branch road of compriseing the normal close contact JC2 of the mistake electricity time delay relay KT4 coil and the voltage monitoring module JC that establish ties and the second branch road of compriseing the normal close time delay contact KT of the charging fault pilot lamp and the mistake electricity time delay relay KT4 that establish ties, and first branch road and second branch road are parallelly connected.
Further, the time relay KT2 is Xinling HHS 6A-1.
The utility model has the advantages that: the problems that the charging time and the initial charging voltage are inconsistent and irregular in each charging and the problems that the charging is not suitable for the charging in the summer highest period between the rear deck charging room and the storage battery room are solved; the influence of irregular switching of ships and shore power on automatic control is overcome. The voltage monitoring of the storage battery pack and the standby storage battery pack is realized, the automatic charging function of the 24V standby power supply of the ship is realized, the charging is automatic, accurate and intelligent, and the subjective influence and unsafe factors of operators are eliminated; the automatic charging system has the functions of automatically selecting time for charging and actively selecting the starting point and the stopping point for charging, improves the stability and the safety of the standby power supply, and prolongs the service life of the power supply.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention;
fig. 2 is a wiring diagram of the time relay.
Detailed Description
As shown in the figure, the 24V standby power monitoring and undervoltage automatic charging device for the harbor ship comprises a normally open contact KA11 of a contactor KA1 connected between main power supply terminals 1 and 2 and storage battery charger terminals 3 and 4, two control main lines of a charging circuit are led out from the main power supply terminals 1 and 2, and a manual switch (air switch) K and a contactor KA1 coil which are connected in series are connected between two lines after passing through a fuse FU1 and an FU2 and used for manual charging under the condition of failure of an automatic charging function. A contactor KA2 normally open contact is connected between the main power supply terminals 1 and 2 and the charger terminals 3 and 4; the two control main lines are connected with five groups of circuits in parallel between two lines 5 and 6 after passing through fuses FU1 and FU 2; wherein
Coils of an access time controller SK in the first group of circuits;
a normally open contact of a time controller SK, a normally open contact JC1 of a voltage monitoring module JC for monitoring the voltage of a standby storage battery pack and an automatic charging contactor KA2 coil which are connected in series are connected into the second group of circuits, and a wiring point 7 is arranged between the contactor KA2 coil and a normally open contact IC1 of the voltage monitoring module JC and connected with a wiring point of the third group of circuits;
a normally closed delay opening contact KT21 of a time relay KT2, a normally open delay opening contact of a power-off delay relay KT1 and a coil of the power-off delay relay KT1 which are connected in series are connected into the third group of circuits, and a wiring point is arranged between the coil of the power-off delay relay KT1 and the normally open delay opening contact KT1 and is connected with a wiring point 7 of the second group of circuits;
a time relay KT2 is connected in the fourth group of circuits;
a time relay KT2 normally-open time-delay closed contact KT22 and an electrified time-delay relay KT3 coil are connected in series in the fifth group of circuits;
the time relay is also provided with a starting end and a resetting end; a normally open contact KA22 of the contactor KA2 is connected with a starting end of the time relay KT2, and a normally open delay closed contact of the electrifying delay KT3 is connected with a resetting end of the time relay KT 2;
the voltage monitoring module JC employs Siemens 3UG4633-1AL30 or Siemens 3UG4633-2AL3, the power of which is supplied by the batteries in use.
And a sixth group of circuits are also arranged between the two lines 5 and 6 after the two control main lines pass through fuses FU1 and FU2, and the sixth group of circuits are connected with a power indicator light 8.
Two way control thread still is equipped with seventh group's circuit between 5 and 6 behind fuse FU1 and FU2 two lines, seventh group's circuit includes the first branch road of compriseing the normal close contact JC2 of the mistake electricity time delay relay KT4 coil and the voltage monitoring module JC that establish ties and the second branch road of compriseing the normal close time delay closed contact KT4 of the charging fault pilot lamp 9 and the mistake electricity time delay relay 4 that establish ties, and first branch road and second branch road are parallelly connected.
The time relay KT2 is a Xinling HHS 6A-1.
The time controller SK adopts a DHC15A programmable time controller, the working time interval of the time controller SK is set to 18 o 'clock to the next 2 o' clock (the temperature is relatively low), and the normally open contact SK of the time controller SK is closed in the time interval; the voltage monitoring module JC continuously monitors the voltage value of the standby battery pack, and when the monitored voltage is lower than a set value, such as 22 volts, the normally open contact JC1 of the voltage monitoring module is closed.
When the two conditions are met, the contactor KA2 is electrified, the normally open contact KA21 of the contactor is connected with a main circuit of a charger to start charging, meanwhile, the normally open contact KA22 triggers a starting end of the time relay KT2, the normally open delay open contact (power-off delay) of the power-off delay relay KT1 is closed, the voltage monitoring module monitors high voltage (26-27V) of the charger in a short time, the voltage monitoring module JC resets, the contact JC1 is disconnected, and the influence of changes of the time control relay, the voltage monitoring module, the ship during charging, shore power switching and the like on charging can be eliminated.
The time relay KT2 is a timer with memory function, and starts to count 8 hours (continuous charging time). When the time is preset, the normally closed delay opening contact KT21 is opened, and the contactor KA2 and the power-off delay relay KT1 are cut off; the normally open time delay closed contact KT22 is closed, the switch-on time delay relay KT3 is switched on, the normally open time delay closed contact KT3 is delayed for 30 seconds to be closed, the time relay KT2 is reset, the normally open time delay closed contact KT22 is switched off, and the switch-on time delay relay KT3 is switched off. The whole circuit is reset and waits for the re-triggering of the initial condition.
The circuit is provided with a charging fault alarm lamp 9, if the voltage monitoring module still fails to reset after the standby storage battery pack starts to charge for 5 minutes, the normally closed contact JC2 is still in a closed state, and the normally closed delay closed contact line of the power-off delay relay KT4 can be connected with the charging fault alarm lamp 9, so that a low-voltage warning effect is realized. The charging failure warning lamp 9 may be provided in the rear deck or the cabin.
The whole charging process is not influenced by power consumption changes such as electricity changing of ships, the initial charging voltage is basically consistent every time, the charging starting time is at night with relatively low temperature, the charging time lasts for basically about 8 hours, the storage battery is fully charged, and electric energy cannot be wasted.
In addition, the voltage safety of the storage battery pack is monitored by a storage battery voltage alarm circuit additionally arranged in the centralized control room. If the voltage is lower than the set value, an alarm is triggered, such as 21V, and the person on duty can manually switch to another group of storage battery packs in time.
The above description is only an example of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. 24V stand-by power supply monitoring and undervoltage automatic charging device of ship in harbor operation, including the normally open contact KA11 of contactor KA1 of connection between main power source terminal and the battery charger terminal, two way control mainlines are drawn forth to main power source terminal, insert the manual switch K and the contactor KA1 coil of establishing ties between two lines behind fuse FU1 and fuse FU2, characterized by: a contactor KA2 normally open contact is connected between a main power supply terminal and a charger terminal; the two control main lines are connected with five groups of circuits in parallel between two lines after passing through fuses FU1 and FU 2; wherein
Coils of an access time controller SK in the first group of circuits;
a normally open contact of a time controller SK, a normally open contact JC1 of a voltage monitoring module JC for monitoring the voltage of a standby battery and an automatic charging contactor KA2 coil which are connected in series are connected into the second group of circuits, and a wiring point is arranged between the contactor KA2 coil and a normally open contact IC1 of the voltage monitoring module JC and is connected with a wiring point of the third group of circuits;
a normally closed delay opening contact KT21 of a time relay KT2, a normally open delay opening contact of a power-off delay relay KT1 and a power-off delay relay KT1 coil which are connected in series are connected into the third group of circuits, and a wiring point is arranged between the power-off delay relay KT1 coil and the normally open delay opening contact KT1 and is connected with wiring points of the second group of circuits;
a time relay KT2 is connected in the fourth group of circuits;
a time relay KT2 normally-open time-delay closed contact KT22 and an electrified time-delay relay KT3 coil which are connected in series are connected into the fifth group of circuits;
the time relay is also provided with a starting end and a resetting end; a normally open contact KA22 of the contactor KA2 is connected with a starting end of the time relay KT2, and a normally open delay closed contact of the electrifying delay KT3 is connected with a resetting end of the time relay KT 2;
and the power supply of the voltage monitoring module JC is supplied by an active storage battery pack.
2. The harbor ship 24V standby power supply monitoring and under-voltage automatic charging device as claimed in claim 1, which is characterized in that: and a sixth group of circuits are also arranged between two lines of the two control main lines after passing through fuses FU1 and FU2, and the sixth group of circuits are connected with a power indicator lamp.
3. The harbor ship 24V standby power supply monitoring and under-voltage automatic charging device as claimed in claim 1, which is characterized in that: two way control mainlines still are equipped with seventh group's circuit behind fuse FU1 and FU2 two-wire room, seventh group's circuit includes the first branch road of compriseing the normal close contact JC2 of the mistake electricity time delay relay KT4 coil and the voltage monitoring module JC that establish ties and the second branch road of compriseing the charging fault indicator lamp of establishing ties and the normal close time delay of mistake electricity time delay relay KT4, first branch road and second branch road are parallelly connected.
4. The harbor ship 24V standby power supply monitoring and under-voltage automatic charging device as claimed in claim 1, which is characterized in that: the time relay KT2 is Xinling HHS 6A-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922411742.4U CN211701521U (en) | 2019-12-28 | 2019-12-28 | 24V standby power supply monitoring and under-voltage automatic charging device for harbor operation ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922411742.4U CN211701521U (en) | 2019-12-28 | 2019-12-28 | 24V standby power supply monitoring and under-voltage automatic charging device for harbor operation ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211701521U true CN211701521U (en) | 2020-10-16 |
Family
ID=72795796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922411742.4U Expired - Fee Related CN211701521U (en) | 2019-12-28 | 2019-12-28 | 24V standby power supply monitoring and under-voltage automatic charging device for harbor operation ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211701521U (en) |
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2019
- 2019-12-28 CN CN201922411742.4U patent/CN211701521U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 Termination date: 20211228 |