CN104199328B - Current switching device for detecting life of sodium-sulphur battery electrolyte ceramic tube - Google Patents
Current switching device for detecting life of sodium-sulphur battery electrolyte ceramic tube Download PDFInfo
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- CN104199328B CN104199328B CN201410424061.0A CN201410424061A CN104199328B CN 104199328 B CN104199328 B CN 104199328B CN 201410424061 A CN201410424061 A CN 201410424061A CN 104199328 B CN104199328 B CN 104199328B
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Abstract
The invention discloses a current switching device for detecting the life of a sodium-sulphur battery electrolyte ceramic tube in the field of energy storage. According to the current switching device, a first contactor KM1 and a second contactor KM2 which are closed and opened in turns are arranged between a sodium-sodium battery and an external charge-discharge device, the direction of a charge current for charging the sodium-sodium battery by the external charge-discharge device is switched to enable the charge current to switch between the two states of flowing to the negative pole of the sodium-sodium battery from the positive pole of the sodium-sodium battery, and flowing to the positive pole of the sodium-sodium battery from the negative pole of the sodium-sodium battery. The technical effects are as follows: the switching of the current direction can be realized in detection for the life of the sodium-sulphur battery electrolyte ceramic tube according to the changes of the current, and the test working of detection for the life of the sodium-sulphur battery electrolyte ceramic tube is automatically finished by matching with the working of the external charge-discharge device, thus saving labour and increasing efficiency.
Description
Technical field
The present invention relates to a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching dress in chemical energy storage field
Put.
Background technology
In sodium-sulphur battery test, in order to test the performance of electrolyte ceramicses pipe, the sodium of sodium element is using positive and negative electrode
Sode cell is tested.Sodium sode cell is because the material of positive and negative electrode is one kind, the characteristic without common batteries, it is impossible to adopt charge and discharge
Method test, can only using positive pole to negative pole charge, then charge power line turn, continue negative pole to positive pole charge,
Discharge, each hour is changed once, circulate operation.
At present test method is turned manually by operator, cumbersome and frequent, occupies manpower and efficiency not
It is high.The operation of mutual phase transformation can easily be realized by Programmable Logic Controller (PLC), but because only 2, control point, and pass through
PLC carries out aforesaid operations, needs to configure a set of equipment such as PLC, I O board card, and economy is poor.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, there is provided a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime
Detection current switching device, it can be realized according to the change of electric current in the detection of sodium-sulphur battery electrolyte ceramicses tube lifetime
The switching of the sense of current, coordinates the work of outside charging/discharging apparatus, is automatically performed the detection of sodium-sulphur battery electrolyte ceramicses tube lifetime
Work, save and manpower and improve efficiency.
Realizing a kind of technical scheme of above-mentioned purpose is：A kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current is cut
Changing device, between sodium sode cell and outside charging/discharging apparatus, including first contactor KM1 and second contactor KM2；
First contactor KM1 includes being set on the first main contactor and the second main contactor, first main contactor
There is terminal KM1-11 and terminal KM1-12, the second main contactor is provided with terminal KM1-13 and KM1-14；
Second contactor KM2 includes that the first main contactor, the second main contactor, first main contactor are provided with
Terminal KM2-11 and terminal KM2-12；Second main contactor is provided with terminal KM2-13 and KM2-14；
The positive pole of the outside charging/discharging apparatus connects the terminal KM1-11 in first contactor KM1, and described
In terminal KM2-11 connections in second contactor KM2, the negative pole of the outside charging/discharging apparatus and first contactor KM1
Terminal KM1-13, and in second contactor KM2 terminal KM2-13 connection；
Terminal KM1-12 and second contactor KM2 point in the positive pole ear and first contactor KM1
On terminal KM2-14 connection；The negative lug is contacted with the terminal KM1-14 in first contactor KM1 and second
Terminal KM2-12 connections on device KM2；
First contactor KM1 and second contactor KM2 are in turn in closure and the state opened a way.
Further, the sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device is additionally provided with the middle of first
Relay；
The first auxiliary reclay KA1 is provided with control coil, close node and opens node, and the close node is provided with end
Sub- KA1-21 and terminal KA1-23, the control coil is provided with terminal KA1-1 and terminal KA1-2；The node of opening is provided with
Terminal KA1-11 and terminal KA1-12；
First contactor KM1 also includes control coil, and the control coil is provided with terminal KM1-1 and terminal KM1-
2, second contactor KM2 also includes control coil, and the control coil is provided with terminal KM2-1 and terminal KM2-2；
Terminal KM2-21 in second contactor KM2 connects the live wire of working power, in first contactor KM
Terminal KM1-2 connect the zero line of the working power；In terminal KM2-22 in second contactor KM2 and described first
Between terminal KA1-21 on relay KA1 be connected；Terminal KM1-1 in first contactor KM1 and first auxiliary reclay
Terminal KM1-23 connections on KA1；
Terminal KM1-21 in first contactor KM1 connects the live wire of the working power, the second contactor
Terminal KM2-2 on KM2 connects the zero line of the working power；Terminal KM1-22 in first contactor KM1 with it is described
Terminal KA1-11 connections on first auxiliary reclay KA1, in the terminal KM2-1 of second contactor KM2 and described first
Between terminal KA1-12 connections on relay KA1.
Further, the sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device is additionally provided with enumerator,
The enumerator KC1 is provided with output node, and the output point node is provided with terminal KC1-4 and terminal KC1-5；The counting
Terminal KC1-4 on device KC1 is connected with the live wire of the working power；Terminal KA1-2 on first auxiliary reclay with
The zero line connection of the working power, on the terminal KC1-5 on the timer KC1 and the first auxiliary reclay KA1
Terminal KA1-1 connects.
Further, the sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device is additionally provided with alarm device
With very first time relay KT1 and the second auxiliary reclay KA2；
The second auxiliary reclay KA2 is provided with control coil, and the control coil is provided with terminal KA2-1 and terminal
KA2-2；
The very first time relay KT1 is provided with control node, and the control node is provided with terminal KT1-A1 and end
Sub- KT1-A2；
The alarm device is provided with high current warning node A-H and low current warning node A-L, and the high current is reported to the police
Node A-H is provided with first input end A-H-11 and first lead-out terminal A-H-12, sets on the low current warning node A-L
There is the second input terminal A-L-21 and the second lead-out terminal A-L-22；First input end on the high current warning node A-H
The second input terminal A-L-21 on the sub- A-H-11 and low current warning node A-L connects the fire of the working power
Line；First lead-out terminal A-H-12 on the high current warning node A-H connects the terminal on the very first time relay
KT1-A1, the second lead-out terminal A-L-22 on the low current warning node A-L connects on the second auxiliary reclay KA2
Terminal KA2-1, the end on terminal KT1-A2 and the second auxiliary reclay KA2 on the very first time relay KT1
Sub- KA2-2 connects the zero line of the working power.
Further, the sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device also included for the second time
Relay KT2, second time relay KT2 is provided with control node, and the control node is provided with terminal KT2-A1 and end
Sub- KT2-A2；Auxiliary is additionally provided with second contactor KM2 and opens node, the auxiliary open node be provided with terminal KA2-31 and
Terminal KA2-32；
Terminal KM1-31 on the second auxiliary reclay KT2 connects the live wire of the working power, in described second
Between terminal KM1-32 on relay KM2 connect terminal KT2-A1 on second time relay KT2, second time
Terminal KT2-A2 on relay KT2 connects the zero line of the working power.
Further, the very first time relay KT1 is provided with output node, and the output node is provided with terminal
KT1-B1 and terminal KT2-B2, second time relay KT2 is provided with output node, and the output node is provided with terminal
KT2-B1 and terminal KT2-B2；The enumerator KC1 is provided with input node and reset node, and the input node is provided with end
Sub- KC1-10, the reset node is provided with terminal KC1-11, the input node and the reset node common terminal KC1-
8；The second auxiliary reclay KA2 is provided with auxiliary and opens node, and the auxiliary opens node and is provided with terminal KA2-11 and terminal
KA2-12；
Terminal KT1-B1 on the very first time relay KT1 connects the terminal KC1-11 on the enumerator KC1, institute
State the terminal KA2-11 that terminal KT1-B2 on very first time relay connects on the second auxiliary reclay KA2, described the
The terminal KT2-B1 on terminal KA2-12 connections second time relay KT2 on two auxiliary reclay KA2, described second
Terminal KC1-8 on terminal KT2-B2 on time relay KT2 on linkage counter KC1.
Further, node is additionally provided with out on the second auxiliary reclay KA2, on the second auxiliary reclay KA2
Node is additionally provided with out, the node of opening is provided with terminal KA2-21 and terminal KA2-22；On the second auxiliary reclay KA2
Terminal KA2-21 connects terminal KC1-11, the terminal KA2-22 on the second auxiliary reclay KA2 on the enumerator KC1
Connect the terminal KC1-10 of the enumerator KC1.
Employ a kind of technical side of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device of the present invention
Case, i.e., connect between sodium sode cell and outside charging/discharging apparatus using first contactor KM1 and second for closing in turn and open a way
Tentaculum KM2, switches the direction of the charging current that the outside charging/discharging apparatus charge to the sodium sode cell, makes the electricity that charges
Stream flows to the negative pole of the sodium sode cell in the positive pole from the sodium sode cell, and flows to institute from the negative pole of the sodium sode cell
The sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching switched between the positive pole two states for stating sodium sode cell
The technical scheme of device.It has the technical effect that：It can in sodium-sulphur battery electrolyte ceramicses tube lifetime according to the change of electric current
The switching of the sense of current is realized in detection, coordinates the work of outside charging/discharging apparatus, be automatically performed sodium-sulphur battery electrolyte ceramicses
The test job of tube lifetime detection, saves manpower and improves efficiency.
Description of the drawings
Fig. 1 is the structural representation of sodium sode cell in sodium-sulphur battery electrolyte ceramicses tube lifetime testing equipment of the invention.
Sodium sode cell and switching device of electric control connection diagram in Fig. 2 cell electrolyte earthenware life tests equipment.
Fig. 3 is the schematic diagram of switching device of electric control in sodium-sulphur battery electrolyte ceramicses tube lifetime testing equipment of the invention.
Fig. 4 is first contactor structure diagram in switching device of electric control.
Fig. 5 is second contactor structure diagram in switching device of electric control.
Fig. 6 is the first auxiliary reclay structure diagram in switching device of electric control.
Fig. 7 is the second auxiliary reclay structure diagram in switching device of electric control.
Fig. 8 is very first time relay construction sketch in switching device of electric control.
Fig. 9 is the second time relay structure diagram in switching device of electric control.
Figure 10 is switching device of electric control Counter structure diagram.
Figure 11 is alarm device structure diagram in switching device of electric control.
Figure 12 is the action schedule of each device on switching device of electric control.
Specific embodiment
Refer to Fig. 1～12, the present inventor in order to be able to preferably understand technical scheme, under
Face is combined accompanying drawing and is described in detail by specifically embodiment：
Refer to Fig. 1, a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime testing equipment of the present invention include sodium sode cell 1,
Sense of current switching device 2 and outside charging/discharging apparatus 3.
Wherein sodium sode cell 1 includes battery case 1-1 and electrolyte ceramicses pipe 1-2, sets at the top of electrolyte ceramicses pipe 1-2
The top for having ceramic insulation ring 1-3, ceramic insulation ring 1-3 is provided with negative pole sealing ring 1-4, and positioned at negative pole sealing ring 1-4 tops
The negative pole closure 1-5 in portion, by electrolyte ceramicses pipe 1-2 closings.The radial center of negative pole closure 1-5 top surfaces is provided with negative pole pole
Ear 1-6.One is provided with below negative lug 1-6 and inserts leading for electrolyte ceramicses pipe 1-2 from negative pole closure 1-5 radial centers
Battery cell bar 1-7.Conductive plug 1-7 is axially connected with negative lug 1-6.
Sealed by positive pole sealing ring 1-8 between battery case 1-1 and ceramic insulation ring 1-3.The top of battery case 1-1
It is provided with positive pole ear 1-9.
In wherein electrolyte ceramicses pipe 1-2, and liquid is filled between electrolyte ceramicses pipe 1-2 and battery case 1-1
State sodium.
Wherein battery case 1-1, positive pole ear 1-9 and it is filled between electrolyte ceramicses pipe 1-2 and battery case 1-1
Liquid Sodium constitute the anode portion of sodium sode cell 1.In negative lug 1-6, conduction plug 1-7 and electrolyte ceramicses pipe 1-2
Liquid Sodium constitute the cathode portion of sodium sode cell 1.The effect of electrolyte ceramicses pipe 1-2 is by the positive pole of sodium sode cell 1
Part and cathode portion separate.
Ceramic insulation ring 1-3 is fixed by glass sealing with the top of electrolyte ceramicses pipe 1-2.Positive pole sealing ring 1-8 and
Negative pole sealing ring 1-4 is fixed with ceramic insulation ring 1-2 by thermal compression welding, so as to by the anode portion and negative pole of sodium sode cell 1
It is partially enclosed.
The manufacture process of sodium sode cell 1 is：Ceramic insulation ring 1-3 and electrolyte ceramicses pipe 1-2 are carried out by technological requirement
Glass sealing, negative pole sealing ring 1-4 is hot-pressed onto on ceramic insulation ring 1-3 top surfaces, and positive pole sealing ring 1-8 is completed outside glove box
With ceramic insulation ring 1-3, and the welding of the shell of battery case 1-1.Is heated up in glove box and sodium fusion is turned to Liquid Sodium, by rule
Anode portion of the fixed amount from the bottom of sodium sode cell 1 to sodium sode cell 1 in glove box notes sodium；In handss after positive pole note sodium cooling
Battery bottom 1-10 welding is fixed with the bottom of battery case 1-1 in casing, then sodium fusion is turned to into Liquid Sodium in glove box, is pressed
Cathode portion of the amount of regulation from the top of sodium sode cell 1 to sodium sode cell 1 notes sodium；In handss after the liquid sodium cooling of cathode portion
Welding negative pole closure 1-5 in casing, negative lug 1-6 and conduction plug 1-7 are welded and fixed with negative pole closure 1-5,
So as to complete the assembling of sodium sode cell 1.Atmosphere requirements in glove box：Oxygen content is less than 3ppm, and water vapour content is less than 1-
ppm。
With the sodium sode cell 1 as sodium-sulphur battery electrolyte ceramicses tube lifetime testing equipment a part, its technique effect
It is that the close sodium-sulphur battery in structure and manufacturing process is by a relatively simple without the need for more new equipment；The nothing in detection process
Sodium need to be supplemented, process is simple, safety；Sodium can be led with two-way in detection process, closer to the actual moving process of sodium-sulphur battery, electricity
The detection in solution matter earthenware 1-2 life-spans is more accurate.
The mark that electrolyte ceramicses pipe 1-2 is damaged is judged when using the sodium-sulphur battery electrolyte ceramicses tube lifetime testing equipment
The voltage that the exactly outside charging/discharging apparatus 3 of standard collect sodium sode cell 1 declines to a great extent, i.e. the internal resistance of sodium sode cell 1 declines, now
Electrolyte ceramicses pipe 1-2 is cracked or ruptured, and now stops the discharge and recharge to sodium sode cell 1.Cooling splits out electrolyte ceramicses
Pipe 1-2 is checked, and just belongs to other inspection contents.
Switching device of electric control 2 is shown in accompanying drawing 2 and accompanying drawing 3 with the connection of sodium sode cell 1, outside charging/discharging apparatus 3.
Switching device of electric control 2 includes first contactor KM1 and second contactor KM2.
First contactor KM1 includes that the first main contactor, the second main contactor, close node, auxiliary open node and control line
Circle, wherein the first main contactor is provided with terminal KM1-11 and terminal KM1-12, the second main contactor is provided with terminal KM1-13
And KM1-14.Close node is provided with terminal KM1-21 and terminal KM1-22, and auxiliary opens node and is provided with terminal KM1-31 and terminal
KM1-32, control coil is provided with terminal KM1-1 and terminal KM1-2.
Second contactor KM2 includes that the first main contactor, the second main contactor, close node, auxiliary open node and control line
Circle, wherein the first main contactor is provided with terminal KM2-11 and terminal KM2-12, the second main contactor is provided with terminal KM2-13
And KM2-14, close node is provided with terminal KM2-21 and terminal KM2-22, and auxiliary opens node and is provided with terminal KM2-31 and terminal
KM2-32.Control coil is provided with terminal KM2-1 and terminal KM2-2.
The positive pole of outside charging/discharging apparatus 3 is by the terminal KM1- on ammeter 5 and the main contacts of first contactor KM1 first
Terminal KM2-11 connections on 11, and the main contacts of second contactor KM2 first.The negative pole of outside charging/discharging apparatus 3 and first
Terminal KM2-13 on terminal KM1-13 on the main contacts of catalyst KM1 second, and the main contacts of second contactor KM2 second connects
Connect.
Terminal KM1-12 on the positive pole ear 1-9 of sodium sode cell 1 and the first main contactor of first contactor KM1 and
Terminal KM2-14 connections on second main contactor of second contactor KM2.Negative lug 1-6 of sodium sode cell 1 connects with first
Terminal KM1-14 on second main contactor of tentaculum KM1 and the terminal on the first main contactor of second contactor KM2
KM2-12 connects.
By to first contactor KM1 and the operation of second contactor KM2, making first contactor KM1 and second contactor KM2
Opening and closing of state is in turn, makes outside charging/discharging apparatus 3 that positive charge and anti-phase charging are carried out to sodium sode cell 1,
Actual motion states of the simulation electrolyte ceramicses pipe 1-2 in sodium-sulphur battery running.
Switching device of electric control 2 is additionally provided with the first auxiliary reclay KA1 and enumerator KC1.
Wherein, the first auxiliary reclay KA1 is provided with control coil, close node and opens node, and wherein close node is provided with
Terminal KA1-21 and terminal KA1-23, control coil is provided with terminal KA1-1 and terminal KA1-2.Open node and be provided with terminal
KA1-11 and terminal KA1-12.
Enumerator KC1 is provided with output node and the input node for counting input, and reset node, wherein exporting
Point node is provided with terminal KC1-4 and terminal KC1-5.Input node is provided with terminal KC1-10, and reset node is provided with terminal
KC1-11, input node and reset node have a public terminal, i.e. terminal KC1-8.
Fig. 3 is referred to, switching device of electric control 2 connects by being connected on working power zero line N and live wire L by switching Q1
It is logical.
Terminal KM2-21 wherein on the close node of second contactor KM2 connects the live wire of working power.First contactor
The zero line connection of the terminal KM1-2 connection working powers on KM1 control coils.Terminal on second contactor KM2 close node
KM2-22 is connected with the terminal KA1-21 on the first auxiliary reclay KA1 close nodes.End on first contactor KM1 control coil
Sub- KM1-1 is connected with the terminal KM1-23 on the first auxiliary reclay KA1 close nodes.The loop constitutes switching device of electric control 2
Positive negative sense charge circuit, control charging current and flow into from the positive pole ear 1-9 of sodium sode cell 1, negative lug 1-6 flows out.
Terminal KM1-21 on the close node of first contactor KM1 connects the live wire of working power.Second contactor KM2 is controlled
Terminal KM2-2 on coil processed connects the zero line of working power.Terminal KM1-22 and first on first contactor KM1 close node
Auxiliary reclay KA1 open on node terminal KA1-11 connection, the terminal KM2-1 on the control coil of second contactor KM2 with
First auxiliary reclay KA1 opens the terminal KA1-12 connections on node.The loop constitutes the negative and positive of switching device of electric control 2 to filling
Electrical circuit, controls charging current and flows into from negative lug 1-6 of sodium sode cell 1, and positive pole ear 1-9 flows out.
Terminal KC1-4 on the output node of enumerator KC1 is connected with the live wire of working power.First auxiliary reclay
Terminal KA1-2 on KA1 control coils is connected with the zero line of working power.Terminal KC1-5 on timer KC1 output nodes with
Terminal KA1-1 connections on first auxiliary reclay KA1 control coils.The switching circuit of switching device of electric control is thus constituted,
Charging current is set to flow in negative lug 1-6 from sodium sode cell 1, positive pole ear 1-9 flows out, and from sodium sode cell 1 just
Pole lug 1-9 is flowed into, and negative lug 1-6 flows out and switch between two states.
In the working cycle of each the first auxiliary reclay KA1, outside charging/discharging apparatus 3 are carried out in turn just to sodium sode cell
To charging and reverse charging.
Additionally, being additionally provided with alarm device and very first time relay KT1 and the second auxiliary reclay on switching device of electric control 2
KA2。
Wherein, the second auxiliary reclay KA2 is provided with control coil, opens node and auxiliary opens node, wherein opening on node
Terminal KA2-21 and terminal KA2-22 is provided with, control coil is provided with terminal KA2-1 and terminal KA2-2.Auxiliary opened and set on node
There are terminal KA2-11 and KA2-12.
Very first time relay KT1 is provided with output node and control node, output node be provided with terminal KT1-B1 and
Terminal KT1-B2, control node is provided with terminal KT1-A1 and terminal KT1-A2.
The alarm device is provided with high current warning node A-H and low current warning node A-L, high current warning node
In charging process, when controller alarm, low current warning node finds that electric current exceedes to A-H when stopping charging
Threshold value alarm.High current warning node A-H is provided with first input end A-H-11 and first lead-out terminal A-H-12, low electricity
Stream warning node A-L is provided with the second input terminal A-L-21 and the second lead-out terminal A-L-22.On high current warning node A-H
First input end A-H-11 and low current warning node A-L on the second input terminal A-L-21 connect working power fire
Line.First lead-out terminal A-H-12 connection very first time relay KT1 control on the alarm device high current warning node A-H
Terminal KT1-A1 on node processed, the second lead-out terminal A-L-22 on low current warning node A-L connects the second middle relay
Terminal KA2-1 on device KA2 control coils.In the middle of terminal KT1-A2 and second in very first time relay KT1 control node
Terminal KA2-2 on relay KA2 control coils connects the zero line of working power.Thus constitute electric current warning output loop.
Meanwhile, working cycle of the second auxiliary reclay KA2 is in the working cycle of the first auxiliary reclay KA1
Half.The working cycle of the first auxiliary reclay KA1 is consistent with enumerator KC1.Only it is in the second auxiliary reclay KA2
During low level state, outside charging/discharging apparatus could charge to sodium sode cell 1, the warning of correspondence high current warning node, otherwise
The warning of correspondence low current warning node.
Additionally, switching device of electric control 2 is additionally provided with the second time relay KT2, the second time relay KT2 is provided with output
Node and control node, output node is provided with terminal KT2-B1 and terminal KT2-B2, and control node is provided with terminal KT2-A1
With terminal KT2-A2.
Second auxiliary reclay KM2 auxiliary opens the live wire that the terminal KM1-31 on node connects working power, in the middle of second
Relay KM2 auxiliary opens the terminal KT2-A1 that the terminal KM1-32 on node connects in the second time relay KT2 control nodes,
Terminal KT2-A2 in second time relay KT2 control nodes connects the zero line of working power, thus constitutes current switching
Circuit is connected in the time delay of device.
The effect of very first time relay KT1 is that the second auxiliary reclay KA2, the second time relay K2 are connected in time delay
Effect be time delay connect the first auxiliary reclay KA1,
Additionally, in the terminal KT1-B1 linkage counter KC1 input nodes on very first time relay KT1 output node
Terminal KC1-11, the terminal KT1-B2 on very first time relay KT1 output node connect the second auxiliary reclay KA2 auxiliary and open
The terminal KA2-12 that terminal KA2-11 on node, the second auxiliary reclay KA2 auxiliary is opened on node connects the second time relay
Terminal KT2-B1 on device KT2 output nodes, connection count on the terminal KT2-B2 on the second time relay KT2 output nodes
Terminal KC1-8 on device KC1.Thus the count resets circuit of switching device of electric control 2 is constituted, enumerator KC1 is made from triggering first
The triggering state of auxiliary reclay KA1 is replied.
Second auxiliary reclay KA2 opens the terminal on the terminal KA2-21 linkage counter KC1 output nodes on node
KC1-11, the second auxiliary reclay KA2 open the terminal KC1- on the terminal KA2-22 linkage counter KC1 output nodes on node
10, thus constitute and count input circuit, make enumerator KC1 carry out triggering the action of the first auxiliary reclay KA1.
Model CN65N2P6A of Q1 is switched, the specification of the first auxiliary reclay KA1 and the second auxiliary reclay KA2 is
Model LC1D9511M7C of AC220V, first contactor KM1 and the second middle catalyst KM2, very first time relay KT1
Model NTE8-10A/AC220V, time delay 3s disconnect, model NTE8-10B/AC220V of the second time relay KT2,
Time delay 10s is connected, model JDM1-14L/AC220V of enumerator KC1, and count upper-limit is 1.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification all will fall in the range of claims of the present invention.
Claims (7)
1. a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device, positioned at sodium sode cell and outside discharge and recharge
Between equipment, it is characterised in that：Including first contactor KM1 and second contactor KM2；
First contactor KM1 includes that the first main contactor and the second main contactor, first main contactor are provided with end
Sub- KM1-11 and terminal KM1-12, the second main contactor is provided with terminal KM1-13 and KM1-14；
Second contactor KM2 includes that the first main contactor, the second main contactor, first main contactor are provided with terminal
KM2-11 and terminal KM2-12；Second main contactor is provided with terminal KM2-13 and KM2-14；
The positive pole of the outside charging/discharging apparatus connects the terminal KM1-11 in first contactor KM1, and described second
Terminal in terminal KM2-11 on catalyst KM2, the negative pole of the outside charging/discharging apparatus and first contactor KM1
Terminal KM2-13 connections on KM1-13, and second contactor KM2；
Terminal KM1-12 and the second contactor in the positive pole ear of the sodium sode cell and first contactor KM1
Terminal KM2-14 connections on KM2 points；Terminal KM1- in the negative lug of the sodium sode cell and first contactor KM1
14 and second contactor KM2 on terminal KM2-12 connection；
First contactor KM1 and second contactor KM2 are in turn in closure and the state opened a way.
2. a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device according to claim 1, it is special
Levy and be：It is additionally provided with the first auxiliary reclay KA1；
The first auxiliary reclay KA1 is provided with control coil, close node and opens node, and the close node is provided with terminal
KA1-21 and terminal KA1-23, the control coil is provided with terminal KA1-1 and terminal KA1-2；The node of opening is provided with end
Sub- KA1-11 and terminal KA1-12；
First contactor KM1 also includes control coil, and the control coil is provided with terminal KM1-1 and terminal KM1-2, institute
Stating second contactor KM2 also includes control coil, and the control coil is provided with terminal KM2-1 and terminal KM2-2；
Terminal KM2-21 in second contactor KM2 connects the live wire of working power, the end in first contactor KM1
Sub- KM1-2 connects the zero line of the working power；In the middle of terminal KM2-22 and described first in second contactor KM2 after
Terminal KA1-21 on electrical equipment KA1 is connected；On terminal KM1-1 in first contactor KM1 and the first auxiliary reclay KA1
Terminal KM1-23 connection；
Terminal KM1-21 in first contactor KM1 connects the live wire of the working power, in second contactor KM2
Terminal KM2-2 connect the zero line of the working power；In terminal KM1-22 in first contactor KM1 and described first
Between terminal KA1-11 connections on relay KA1, the terminal KM2-1 of second contactor KM2 and the first middle relay
Terminal KA1-12 connections on device KA1.
3. a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device according to claim 2, it is special
Levy and be：It is additionally provided with enumerator KC1, and the enumerator KC1 is provided with output node, and the output node is provided with terminal
KC1-4 and terminal KC1-5；Terminal KC1-4 on the enumerator KC1 is connected with the live wire of the working power；Described first
Terminal KA1-2 on auxiliary reclay KA1 is connected with the zero line of the working power, the terminal KC1-5 on the enumerator KC1
It is connected with the terminal KA1-1 on the first auxiliary reclay KA1.
4. a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device according to claim 3, it is special
Levy and be：It is additionally provided with alarm device and very first time relay KT1 and the second auxiliary reclay KA2；
The second auxiliary reclay KA2 is provided with control coil, and the control coil is provided with terminal KA2-1 and terminal KA2-
2；
The very first time relay KT1 is provided with control node, and the control node is provided with terminal KT1-A1 and terminal
KT1-A2；
The alarm device is provided with high current warning node A-H and low current warning node A-L, the high current warning node
A-H is provided with first input end A-H-11 and first lead-out terminal A-H-12, and the low current warning node A-L is provided with
Two input terminal A-L-21 and the second lead-out terminal A-L-22；First input end A- on the high current warning node A-H
The second input terminal A-L-21 on the H-11 and low current warning node A-L connects the live wire of the working power；Institute
State the terminal KT1- that first lead-out terminal A-H-12 on high current warning node A-H connects on the very first time relay
A1, the second lead-out terminal A-L-22 on the low current warning node A-L connects the end on the second auxiliary reclay KA2
Sub- KA2-1, the terminal on terminal KT1-A2 and the second auxiliary reclay KA2 on the very first time relay KT1
KA2-2 connects the zero line of the working power.
5. a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device according to claim 4, it is special
Levy and be：It also includes that the second time relay KT2, second time relay KT2 are provided with control node, the control section
Point is provided with terminal KT2-A1 and terminal KT2-A2；Auxiliary is additionally provided with second contactor KM2 and opens node, the auxiliary is opened
Node is provided with terminal KM2-31 and terminal KM2-32；
Terminal KM2-31 in second contactor KM2 connects the live wire of the working power, in second contactor KM2
Terminal KM2-32 connect terminal KT2-A1 on second time relay KT2, on second time relay KT2
Terminal KT2-A2 connects the zero line of the working power.
6. a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device according to claim 5, it is special
Levy and be：The very first time relay KT1 is provided with output node, and the output node is provided with terminal KT1-B1 and terminal
KT1-B2, second time relay KT2 is provided with output node, and the output node is provided with terminal KT2-B1 and terminal
KT2-B2；The enumerator KC1 is provided with input node and reset node, and the input node is provided with terminal KC1-10, institute
State reset node and be provided with terminal KC1-11, the input node and the reset node common terminal KC1-8；In described second
Between relay KA2 be provided with auxiliary and open node, the auxiliary opens node and is provided with terminal KA2-11 and terminal KA2-12；
Terminal KT1-B1 on the very first time relay KT1 connects the terminal KC1-11 on the enumerator KC1, and described the
Terminal KT1-B2 on one time relay connects the terminal KA2-11 on the second auxiliary reclay KA2, in described second
Between terminal KA2-12 on relay KA2 connect terminal KT2-B1 on second time relay KT2, second time
Terminal KC1-8 on terminal KT2-B2 on relay KT2 on linkage counter KC1.
7. a kind of sodium-sulphur battery electrolyte ceramicses tube lifetime detection current switching device according to claim 6, it is special
Levy and be：Node is additionally provided with out on the second auxiliary reclay KA2, the node of opening is provided with terminal KA2-21 and terminal
KA2-22；Terminal KA2-21 on the second auxiliary reclay KA2 connects terminal KC1-11, the institute on the enumerator KC1
State the terminal KC1-10 that the terminal KA2-22 on the second auxiliary reclay KA2 connects the enumerator KC1.
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