CN206742877U - A kind of underwater manned ROV lithium power battery pack series-parallel conversion device - Google Patents

A kind of underwater manned ROV lithium power battery pack series-parallel conversion device Download PDF

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Publication number
CN206742877U
CN206742877U CN201621471745.7U CN201621471745U CN206742877U CN 206742877 U CN206742877 U CN 206742877U CN 201621471745 U CN201621471745 U CN 201621471745U CN 206742877 U CN206742877 U CN 206742877U
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China
Prior art keywords
resistance
pin
parallel conversion
series
diode
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Expired - Fee Related
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CN201621471745.7U
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Chinese (zh)
Inventor
孙俊
王元奎
马恩林
赵建明
杨忠才
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No705 Research Institute Of China Shipbuilding Industry Corp Kunming Branch
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No705 Research Institute Of China Shipbuilding Industry Corp Kunming Branch
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Abstract

The utility model discloses a kind of underwater manned ROV lithium power battery pack series-parallel conversion device, including the command response device (1) for responding main control computer order, automaton (2), protection device (3) and the series-parallel conversion device (4) for performing series-parallel conversion, automaton (2) includes contactor control circuit (5) and control relay circuit (6), protection device (3) bag charging circuit (5) and positive contact device (6), command response device (1), which actively receives the order of main control computer and performs corresponding operation according to this order, starts control circuit, automaton (2) is by controlling series-parallel conversion device (4) to realize the series-parallel conversion of lithium power battery pack, protection device (3) completes defencive function under the control of automaton (2).The utility model realizes the series-parallel conversion of lithium power battery pack according to main control computer order automatically, has the advantages of simple in construction, reliability is high.

Description

A kind of underwater manned ROV lithium power battery pack series-parallel conversion device
Technical field
The utility model belongs to underwater battery structural member technical field, is specifically related to a kind of underwater manned ROV lithium and moves Power battery pack series-parallel conversion device.
Background technology
At present, high-capacity lithium power battery pack is tried out in electric automobile, and will be in Aero-Space, artificial satellite and energy Measure the extensive uses such as storage art.And use two groups of lithium power electrics for underwater application, manned ROV underwater at present Pond group provides power source, and the underwater manned ROV requires that lithium power battery pack possesses series-parallel conversion work(in use Energy.
Number of patent application provides a kind of electric car charging in being 200720038747 disclosed on 06 19th, 2007 With series, parallel converter, the batteries of series, parallel converter for electric vehicle charging and electric car fit together, by charging Seat, charging input end, main relay, auxiliary relay, circuit board, clutch end are formed, and charging input end is connected with circuit board, Charging input end positive pole is wherein connected to cradle positive pole all the way by being connected in parallel, and other each roads are respectively connecting on circuit board Main relay then be connected again with every battery positive voltage, charging input end negative pole is wherein connected to all the way by being connected in parallel Cradle negative pole, the auxiliary relay and then be connected again with every battery terminal negative that other each roads are respectively connecting on circuit board, is moved The positive negative wire of power output end is connected in parallel with charging input end positive and negative terminal respectively.But the serial parallel converter is suitable only for The device such as electric car on ground, it is unable to be applied to the use of underwater lithium power battery pack.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of underwater manned ROV lithium power battery pack string Conversion equipment in parallel, underwater manned ROV lithium dynamical battery can not be realized automatically by solving series-parallel conversion device in the prior art The technical problem of group series-parallel conversion, and drastically increase underwater manned ROV lithium power battery pack series-parallel conversion Reliability.
The technical solution of the utility model is as follows：
A kind of underwater manned ROV lithium power battery pack series-parallel conversion device, it is characterised in that：Described connection in series-parallel The command response device that conversion equipment includes being used to respond main control computer order, the automaton for realizing control, it is used for Realize the protection device of defencive function and perform the series-parallel conversion device of series-parallel conversion；Described automaton bag Include contactor control circuit and control relay circuit；It is described that protection device includes charging circuit and positive contact device；It is described Command response device response main control computer order and perform corresponding function start automaton.
In a preferable technical scheme, described automaton is by resistance, electric capacity, diode, FET Formed with photoelectrical coupler.
In a preferable technical scheme, described series-parallel conversion device is by diode, contactor and two groups of lithiums Power battery pack is formed.
In a preferable technical scheme, described command response device is by core digital signal processor U1Minimum system System and peripheral circuit are formed.
In a preferable technical scheme, described contactor control circuit is by resistance R8, resistance R9, resistance R10, electricity Hold C6, diode V5, FET V6With photoelectrical coupler B3Composition；The photoelectrical coupler B3The 2nd pin connecing 3.3V power supplys just Pole, the 3rd pin and the resistance R9Connection, resistance R9Another pin and the digital signal processor U of command device 1150th pin connects Connect, the 5th pin and the resistance R10Connection, the 6th pin and the resistance R8Connection, resistance R8With resistance R10Phase contact is imitated with the field Should pipe V5 grid be connected, the 8th pin and the electric capacity C6Phase contact is connected with the positive pole of 15V power supplys, electric capacity C6Another draw Pin and FET V5Drain junction be connected with 24V power cathodes, the diode V5Positive pole and FET V5's The series-parallel conversion contactor J of source electrode phase contact and series-parallel conversion device 42The 1st pin be connected, diode V5Negative pole with The series-parallel conversion contactor J of series-parallel conversion device 42The 2nd pin connection.
In a preferable technical scheme, described positive contact device control circuit is by resistance R5, resistance R6, resistance R7、 Electric capacity C5, diode V3, FET V4With photoelectrical coupler B2Composition；The photoelectrical coupler B2The 2nd pin connect 3.3V power supplys Positive pole, the 3rd pin and the resistance R6Connection, resistance R6Another pin and the digital signal processor U of command device 1149th pin Connection, the 5th pin and the resistance R7Connection, the 6th pin and the resistance R5Connection, resistance R5With resistance R7Phase contact and the field Effect pipe V4Grid be connected, the 8th pin and the electric capacity C5Phase contact is connected with the positive pole of 15V power supplys, electric capacity C5It is another Pin and FET V5Drain electrode phase contact be connected with 24V power cathodes, the diode V3Positive pole and FET V4's Source electrode phase contact and positive contact device J1The 1st pin connection, diode V3Negative pole and positive contact device J1The 2nd pin connection, such as Shown in Fig. 2.
In a preferable technical scheme, described control relay circuit is by resistance R2, resistance R3, resistance R4, electric capacity C4, diode V1, FET V2With photoelectrical coupler B1Composition；The photoelectrical coupler B1The 2nd pin connect 3.3V positive sources, 3rd pin and the resistance R3Connection, resistance R3Another pin and the digital signal processor U of command device 1148th pin connects, 5th pin and the resistance R4Connection, the 6th pin and the resistance R2Connection, resistance R2With resistance R4Phase contact and the FET V2Grid be connected, the 8th pin and the electric capacity C4The positive pole of phase contact and 15V power supplys, electric capacity C4Another pin and field-effect Pipe V2Drain electrode phase contact be connected with 24V power cathodes, the diode V1Positive pole and FET V2Source electrode phase contact with The relay K of charging circuit 71The 1st pin connection, diode V2Negative pole and charging circuit 7 relay K1The 2nd pin connection, As shown in Figure 2.
In a preferable technical scheme, described series-parallel conversion device 4 is by diode D1, diode D2With string simultaneously Join conversion contactor J2Composition；The diode D1Positive pole and contactor J2Tie point and the 2nd group of lithium dynamical battery positive pole It is connected, the diode D1Negative pole be connected with the positive pole of the 1st group of lithium dynamical battery, the diode D2Positive pole and the 2nd The negative pole of group lithium dynamical battery is connected, the diode D2Negative pole and contactor J2Tie point and the 1st group of lithium dynamical battery Negative pole be connected.
In a preferable technical scheme, described charging circuit is by relay K1, resistance R1, electric capacity C1, electric capacity C2With Electric capacity C3Composition；Electric capacity C1、C2、C3Connected one end is connected with the negative pole of the 2nd group of lithium dynamical battery, the other end and the resistance R1 It is connected, resistance R1The other end and relay K1The 3rd pin be connected, relay K1The 4th pin be connected to the 1st group of lithium dynamical battery Positive pole.
The utility model is simple in construction, and control principle is simple, drastically increases underwater manned ROV lithium dynamical battery The reliability of group series-parallel conversion.
The utility model realizes the series-parallel conversion of lithium power battery pack according to main control computer order automatically, has structure letter Singly, the advantages of reliability is high.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the utility model manned ROV lithium power battery pack series-parallel conversion device under water.
Fig. 2 is the circuit theory diagrams of command response device shown in Fig. 1 and automaton.
Fig. 3 is the circuit theory diagrams of series-parallel conversion device shown in Fig. 1 and protection device.
Embodiment
Fig. 1 is the circuit block diagram of the utility model manned ROV lithium power battery pack series-parallel conversion device under water. The series-parallel conversion device is made up of command response device 1, automaton 2, protection device 3 and series-parallel conversion device 4. When command response device 1 receives main control computer order, perform corresponding function and start automaton control device 2, protection Device 3 and series-parallel conversion device 4 perform protection and series-parallel conversion function under automaton control.
Automaton 2 includes contactor control circuit 5 and control relay circuit 6.Contactor control circuit 5 controls Contactor is switched on or off, and the control relay of control relay circuit 6 is switched on or off.
Protection device 3 includes charging circuit 7 and positive contact device 8.Charging circuit 7 is used to enter electric capacity line precharge, just Pole contactor 8 is used to exporting or cutting off lithium power battery pack energy.
Fig. 2 is the circuit theory diagrams of command response device shown in Fig. 1 and automaton.
Command response device 1 is by core digital signal processor U1Minimum system and peripheral circuit are formed.
The series-parallel conversion contactor control circuit is by resistance R8, resistance R9, resistance R10, electric capacity C6, diode V5, field Effect pipe V6With photoelectrical coupler B3Composition；The photoelectrical coupler B3The 2nd pin connect 3.3V positive sources, the 3rd pin and the electricity Hinder R9Connection, resistance R9Another pin and the digital signal processor U of command device 1150th pin connects, the 5th pin and the electricity Hinder R10Connection, the 6th pin and the resistance R8Connection, resistance R8With resistance R10Phase contact is connected with the grid of the FET V5 Connect, the 8th pin and the electric capacity C6Phase contact is connected with the positive pole of 15V power supplys, electric capacity C6Another pin and FET V5's Drain junction is connected with 24V power cathodes, the diode V5Positive pole and FET V5Source electrode phase contact with string simultaneously Join the series-parallel conversion contactor J of conversion equipment 42The 1st pin be connected, diode V5Negative pole and series-parallel conversion device 4 Series-parallel conversion contactor J2The 2nd pin connection, as shown in Figure 2.
The positive contact device control circuit is by resistance R5, resistance R6, resistance R7, electric capacity C5, diode V3, FET V4 With photoelectrical coupler B2Composition；The photoelectrical coupler B2The 2nd pin connect 3.3V positive sources, the 3rd pin and the resistance R6Even Connect, resistance R6Another pin and the digital signal processor U of command device 1149th pin connects, the 5th pin and the resistance R7Even Connect, the 6th pin and the resistance R5Connection, resistance R5With resistance R7Phase contact and the FET V4Grid be connected, the 8th Pin and the electric capacity C5Phase contact is connected with the positive pole of 15V power supplys, electric capacity C5Another pin and FET V5Drain electrode phase Contact is connected with 24V power cathodes, the diode V3Positive pole and FET V4Source electrode phase contact and positive contact device J1 The 1st pin connection, diode V3Negative pole and positive contact device J1The 2nd pin connection, as shown in Figure 2.
The control relay circuit is by resistance R2, resistance R3, resistance R4, electric capacity C4, diode V1, FET V2And light Electric coupler B1Composition；The photoelectrical coupler B1The 2nd pin connect 3.3V positive sources, the 3rd pin and the resistance R3Connection, electricity Hinder R3Another pin and the digital signal processor U of command device 1148th pin connects, the 5th pin and the resistance R4Connection, the 6 pin and the resistance R2Connection, resistance R2With resistance R4Phase contact and the FET V2Grid be connected, the 8th pin and institute State electric capacity C4The positive pole of phase contact and 15V power supplys, electric capacity C4Another pin and FET V2Drain electrode phase contact and 24V electricity Source negative pole connection, the diode V1Positive pole and FET V2Source electrode phase contact and charging circuit 7 relay K1 1 pin connects, diode V2Negative pole and charging circuit 7 relay K1The 2nd pin connection, as shown in Figure 2.
Fig. 3 is the circuit theory diagrams of the preferred embodiment of series-parallel conversion device shown in Fig. 1 and protection device.
The series-parallel conversion device 4 is by diode D1, diode D2With series-parallel conversion contactor J2Composition；Described two Pole pipe D1Positive pole and contactor J2Tie point be connected with the positive pole of the 2nd group of lithium dynamical battery, the diode D1Negative pole It is connected with the positive pole of the 1st group of lithium dynamical battery, the diode D2Positive pole be connected with the negative pole of the 2nd group of lithium dynamical battery Connect, the diode D2Negative pole and contactor J2Tie point be connected with the negative pole of the 1st group of lithium dynamical battery, such as Fig. 3 institutes Show.
The charging circuit is by relay K1, resistance R1, electric capacity C1, electric capacity C2With electric capacity C3Composition；Electric capacity C1、C2、C3It is connected One end be connected with the negative pole of the 2nd group of lithium dynamical battery, the other end and the resistance R1It is connected, resistance R1The other end and relay Device K1The 3rd pin be connected, relay K1The 4th pin be connected to the positive pole of the 1st group of lithium dynamical battery, as shown in Figure 3.
After electricity on command response device 1, the pin of U1 the 49th output high level, shut-off photoelectrical coupler B2, photoelectrical coupler B2 6th pin output low level closes FET V4, disconnect positive contact device J1, U148th pin exports low level, opens photoelectric coupling Device B1, photoelectrical coupler B16th pin output high level opens FET V2, closing relay K1, lithium power battery pack passes through electricity Hinder R1To electric capacity C1、C2、C3Charging, it is delayed after 3s, U148th pin exports high level, shut-off photoelectrical coupler B1, photoelectrical coupler B16th pin output low level closes FET V2, disconnect relay K1, U149th pin exports high level, opens photoelectrical coupler B2, photoelectrical coupler B26th pin output high level opens FET V4, closure positive contact device J1, lithium power battery pack voltage It is output to electric capacity C1、C2、C3Both ends.
After electricity on command response device 1, U150th pin exports high level, shut-off photoelectrical coupler B3, photoelectrical coupler B3 6th pin output low level closes FET V6, disconnect series-parallel conversion contactor J2, now the 1st group of power battery pack is through positive pole Contactor J1, electric capacity C1、C2、C3With diode D2Loop is formed, output voltage, the 2nd group of power battery pack is through positive contact device J1、 Electric capacity C1、C2、C3With diode D1Loop is formed, output voltage, now, 2 groups of lithium power battery packs export electricity with parallel way Pressure.
After command response device 1 is connected to the lithium power battery pack tandem working order of main control computer transmission, U150th pin is defeated Go out low level, open photoelectrical coupler B3, photoelectrical coupler B36th pin output high level opens effect pipe V6, closure connection in series-parallel turn Changing-over tentaculum J2, the 1st group of lithium power battery pack negative pole be connected with the positive pole of the 2nd group of lithium power battery pack, passes through positive contact device J1, electric capacity C1、C2、C3Loop is formed, now, 2 groups of lithium power battery packs output voltage in a series arrangement.
After command response device 1 is connected to the lithium power battery pack parallel operation order of main control computer transmission, above-mentioned mistake is repeated Journey.
The utility model realizes the series-parallel conversion of lithium power battery pack according to main control computer order automatically, has structure letter Singly, the advantages of reliability is high.

Claims (9)

  1. A kind of 1. underwater manned ROV lithium power battery pack series-parallel conversion device, it is characterised in that：Described connection in series-parallel turns Changing device include be used for respond main control computer order command response device, for realize control automaton, for reality The protection device of existing defencive function and the series-parallel conversion device for performing series-parallel conversion；Described automaton includes Contactor control circuit and control relay circuit；Described protection device includes charging circuit and positive contact device；Described Command response device, which responds main control computer order and performs corresponding function, starts automaton.
  2. 2. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： Described automaton is made up of resistance, electric capacity, diode, FET and photoelectrical coupler.
  3. 3. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： Described series-parallel conversion device is made up of diode, contactor and two groups of lithium power battery packs.
  4. 4. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： The command response device is made up of digital signal processor TMS320F2812 minimum systems and peripheral circuit.
  5. 5. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： Described contactor control circuit is by resistance R8, resistance R9, resistance R10, electric capacity C6, diode V5, FET V6With photoelectricity coupling Clutch B3Composition；The photoelectrical coupler B3The 2nd pin connect 3.3V positive sources, the 3rd pin and the resistance R9Connection, resistance R9 Another pin and the digital signal processor U of command device 1150th pin connects, the 5th pin and the resistance R10Connection, the 6th pin With the resistance R8Connection, resistance R8With resistance R10Phase contact is connected with the grid of the FET V5, the 8th pin with it is described Electric capacity C6Phase contact is connected with the positive pole of 15V power supplys, electric capacity C6Another pin and FET V5Drain junction with 24V power cathodes are connected, the diode V5Positive pole and FET V5Source electrode phase contact and series-parallel conversion device 4 Series-parallel conversion contactor J2The 1st pin be connected, diode V5Negative pole and series-parallel conversion device 4 series-parallel conversion Contactor J2The 2nd pin connection.
  6. 6. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： Described positive contact device control circuit is by resistance R5, resistance R6, resistance R7, electric capacity C5, diode V3, FET V4And photoelectricity Coupler B2Composition；The photoelectrical coupler B2The 2nd pin connect 3.3V positive sources, the 3rd pin and the resistance R6Connection, resistance R6Another pin and the digital signal processor U of command device 1149th pin connects, the 5th pin and the resistance R7Connection, the 6th Pin and the resistance R5Connection, resistance R5With resistance R7Phase contact and the FET V4Grid be connected, the 8th pin and institute State electric capacity C5Phase contact is connected with the positive pole of 15V power supplys, electric capacity C5Another pin and FET V5Drain electrode phase contact with 24V power cathodes connect, the diode V3Positive pole and FETV4Source electrode phase contact and positive contact device J1The 1st Pin connects, diode V3Negative pole and positive contact device J1The 2nd pin connection.
  7. 7. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： Described control relay circuit is by resistance R2, resistance R3, resistance R4, electric capacity C4, diode V1, FET V2And photoelectric coupling Device B1Composition；The photoelectrical coupler B1The 2nd pin connect 3.3V positive sources, the 3rd pin and the resistance R3Connection, resistance R3's Another pin and the digital signal processor U of command device 1148th pin connects, the 5th pin and the resistance R4Connection, the 6th pin with The resistance R2Connection, resistance R2With resistance R4Phase contact and the FET V2Grid be connected, the 8th pin and the electricity Hold C4The positive pole of phase contact and 15V power supplys, electric capacity C4Another pin and FET V2Drain electrode phase contact born with 24V power supplys Pole connects, the diode V1Positive pole and FET V2Source electrode phase contact and charging circuit 7 relay K1The 1st pin Connection, diode V2Negative pole and charging circuit 7 relay K1The 2nd pin connection.
  8. 8. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： Described series-parallel conversion device 4 is by diode D1, diode D2With series-parallel conversion contactor J2Composition；The diode D1 Positive pole and contactor J2Tie point be connected with the positive pole of the 2nd group of lithium dynamical battery, the diode D1Negative pole and the 1st The positive pole of group lithium dynamical battery is connected, the diode D2Positive pole be connected with the negative pole of the 2nd group of lithium dynamical battery, it is described Diode D2Negative pole and contactor J2Tie point be connected with the negative pole of the 1st group of lithium dynamical battery.
  9. 9. underwater manned ROV lithium power battery pack series-parallel conversion device according to claim 1, it is characterised in that： Described charging circuit is by relay K1, resistance R1, electric capacity C1, electric capacity C2With electric capacity C3Composition；Electric capacity C1、C2、C3Connected one end It is connected with the negative pole of the 2nd group of lithium dynamical battery, the other end and the resistance R1It is connected, resistance R1The other end and relay K1's 3rd pin is connected, relay K1The 4th pin be connected to the positive pole of the 1st group of lithium dynamical battery.
CN201621471745.7U 2016-12-28 2016-12-28 A kind of underwater manned ROV lithium power battery pack series-parallel conversion device Expired - Fee Related CN206742877U (en)

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CN201621471745.7U CN206742877U (en) 2016-12-28 2016-12-28 A kind of underwater manned ROV lithium power battery pack series-parallel conversion device

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Application Number Priority Date Filing Date Title
CN201621471745.7U CN206742877U (en) 2016-12-28 2016-12-28 A kind of underwater manned ROV lithium power battery pack series-parallel conversion device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108933481A (en) * 2018-07-25 2018-12-04 珠海格力电器股份有限公司 Detection circuit, control system, electrical equipment, control method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108933481A (en) * 2018-07-25 2018-12-04 珠海格力电器股份有限公司 Detection circuit, control system, electrical equipment, control method and device

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