CN205303343U - Balanced relay of battery power - Google Patents
Balanced relay of battery power Download PDFInfo
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- CN205303343U CN205303343U CN201521091374.5U CN201521091374U CN205303343U CN 205303343 U CN205303343 U CN 205303343U CN 201521091374 U CN201521091374 U CN 201521091374U CN 205303343 U CN205303343 U CN 205303343U
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- relay
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- battery
- armature
- contact
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Abstract
The utility model discloses a balanced relay of battery power, it is different with the enameled wire coil that adopts in traditional relay, the utility model discloses the resistance wire of material for having the low resistivity characteristic of the coil in the relay, resistance wire can be constantan wire, nichrome silk or the manganese copper alloy wire who handles through the high temperature varnish coating, the coil still with electric outer casing then on the heating panel contact so that the heat dissipation. Compare and only use as control in traditional relay, the utility model discloses a consumption of its special coil of relay make full use of own consumes the excess energy of battery, a reverse application technique of relay has just so been realized, in full play relay high voltage breaking capacity, combine the high energy consumption input to similar battery, super capacitor equal energy body product carries out the balanced control of effective quick energy, a relay possesses two kinds of functions, the security and the uniformity of energy storage body product have been ensured, the life and the work efficiency of energy storage body product have been promoted.
Description
Technical field
The utility model relates to relay field, is specifically related to the balanced relay of a kind of energy content of battery.
Background technology
Relay is a kind of very ripe electronic control device, in automatic control circuit, is usually used, can be withConducting and the cut-out of the contact current that less coil current control is large, thus play the effect of automatic control. Existing relayResearch be the control electric current that as far as possible reduces coil, when making it meet reliable control, work together more energy-conservation.
Relay in energy body product as in the energy-storage system such as battery pack, super capacitor as on-off controller part, withSample obtains extensive use, during due to batteries charging, there will be every inconsistent situation of cell voltage, and voltage has filled highContinue charging if battery disconnects not in time, its voltage can exceed the maximum charging voltage of permission, and this battery just there will beCharging, the even potential safety hazard that causes losing efficacy, if disconnected for a long time, the battery that voltage is low affects and makes because be not full of electricityWith. Accomplish that both safety was full of electricity, do not affect again use capacity, this just need to adopt a kind of balancing energy method to reach each batteryVoltage is basically identical after charging completes. If directly coordinate control circuit to come battery with the control coil of existing relayCarry out energy discharge equilibrium, because operating voltage and the electric current of the coil of existing relay do not meet battery balanced wantingAsk, cannot be applied to battery balanced in.
Utility model content
Cannot be applied in the technical problem in battery balanced in order to solve existing relay, the utility model provides a kind of electricityPond balancing energy relay, had both had the control function of general relay, can carry out balancing energy and peace to the battery that overcharges againFull guard.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
The balanced relay of a kind of energy content of battery, comprises a shell with heat sink, described heat sink be positioned at described outsideA side of shell, the bottom of described shell is provided with drain pan, and described enclosure is provided with an electromagnet, spring, springSeat, armature, armature contact, normally-closed contact, normally opened contact, the first pin and the second pin, described armature contact, described normally closedContact, described normally opened contact, described the first pin and described the second pin expose from described drain pan; Described electromagnet is by insulatingPipe, coil and iron core composition, described iron core is arranged on the inside of described insulation tube, and the outer surface of described insulation tube is wound with one deckOr coil described in multilayer, the material of described coil is the constantan wire through high temperature lacquer coating, one end of described coil with described inThe first pin connects, and the other end of described coil is connected with described the second pin; Described electromagnet is attached to described heat sinkMedial surface, described spring base is positioned at a side of described electromagnet, and the lower end of described spring is fixed on described spring base, described rankIron is positioned at the top of described electromagnet and described spring base, and the rear end of described armature is connected with the upper end of described spring, described inThe front end of armature is provided with described armature contact, and the head of described armature contact is positioned at described normally-closed contact and described normally opened contactBetween, the head of described armature contact is contacted with described normally-closed contact by the pulling force effect of described spring.
Further, the enclosure interior that described shell and described drain pan surround is vacuum environment.
Further, between described coil and described heat sink, scribble heat-conducting silicone grease, so that the heat that allows described coil produceAmount passes to described heat sink as early as possible, is conducive to external heat radiation.
Preferably, the material of described coil can also be for having nickel-cadmium silk or the manganin silk of low resistivity.
Preferably, the equal material of described armature contact, described normally-closed contact and described normally opened contact is that red copper surface is silver-platedMaterial.
Preferably, the material of described heat sink is thin aluminum sheet.
Preferably, the material of described insulation tube is pottery.
The material of described iron core and described armature is silicon steel sheet.
Preferably, the material of described shell and described drain pan is plastics.
The operation principle of the balanced relay of the energy content of battery of the present utility model is as follows:
1) the described normally-closed contact of the balanced relay of the described energy content of battery is connected with battery charge circuit, works as measuring circuitDetect that the magnitude of voltage of battery is greater than the ceiling voltage V of permissionMAXTime, output control signal is high level, makes FET saturatedConducting;
2) described first pin of the balanced relay of the described energy content of battery is by drain electrode, source electrode and the institute of described FETThe negative pole of stating battery is communicated with, and described battery discharges by described coil;
3) electric current that described coil midstream is crossed makes described electromagnet produce galvanomagnetic-effect, and described armature is at electromagnetic attracting forceEffect under, overcome the pulling force of described spring and inhale to described iron core;
4) described armature drives described armature contact and described normally opened contact closure, make described battery and battery charged electricalRoad disconnects, and described battery stops charging;
5) the balanced relay of the described energy content of battery is that described battery carries out balancing energy, and described battery exceeds ceiling voltageVMAXElectric energy major part is converted into the magnetic energy that described electromagnet produces, fraction is converted into the heat that described coil producesCan, magnetic energy can continue described armature to inhale to described iron core, and heat energy can shed by described heat sink;
6) when detecting the magnitude of voltage of described battery, described measuring circuit is less than or equal to the full piezoelectric voltage V of settingFULLTime, itsIn, VFULL＜VMAX, output control signal is low level, and described FET cut-off is disconnected;
7) current vanishes on described coil, described electromagnet quits work, and its suction to described armature also disappears thereuponLose;
8) described armature returns to initial position under the reaction force of described spring, makes described armature contact and described normalClosed contact closure, connects described battery and battery charger, and described battery continues charging.
Compared with prior art, the beneficial effects of the utility model are:
1, only use as controlling than traditional relay, the balanced relay of the utility model energy content of battery is abundantUtilize the power consumption of its coil own to carry out the excess energy of consuming cells, so just realized a kind of applied in reverse skill of relayArt, in giving full play to relay high voltage breaking capacity, inputs energy such as similar battery, super capacitors in conjunction with high energy consumptionAmount body product carries out balancing energy control fast and effectively, and when having realized two kinds of functions of a relay, application, has ensuredThe security of storage bodies product and uniformity, promoted service life and the operating efficiency of storage bodies product.
2, because the coil of the balanced relay of the energy content of battery of the present utility model has adopted the resistance wire with low-resistivityCoiling, both can carry out equalization discharge to energy body fast, also can quick heat radiating, be particularly suitable for applying to extensive monomer or mouldThe battery system of piece battery series-parallel connection, can be used as the Primary Component of energy storage station balanced management;
3, the contact environment of the balanced relay of the utility model energy content of battery inside adopts the mode that vacuumizes, and realizes and effectively going outArc, can make this relay application in voltage the storage bodies more than 800V, as its high voltage protective device.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility modelArt means, and can being implemented according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailedDescribe in detail bright as after. Detailed description of the invention of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part,Schematic description and description of the present utility model is used for explaining the utility model, does not form of the present utility model improperLimit. In the accompanying drawings:
Fig. 1 is the structural principle schematic diagram of the balanced relay of the utility model energy content of battery;
Fig. 2 is the shell mechanism front view of the balanced relay of the utility model energy content of battery;
Fig. 3 is the shell mechanism upward view of the balanced relay of the utility model energy content of battery;
Circuit diagram when Fig. 4 is the balanced relay application of the utility model energy content of battery.
Number in the figure explanation: 1, the first pin; 2, the second pin; 3, armature contact; 4, normally-closed contact; 5, normally opened contact;6, heat sink; 7, electromagnet; 8, spring base; 9, spring; 10, armature; 11, shell; 12, drain pan; 71, insulation tube; 72, coil;73, iron core; E1, battery; K1, measuring circuit; Q1, FET.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Shown in Fig. 1-3, the balanced relay of a kind of energy content of battery, comprises a shell 11 with heat sink 6, described inHeat sink 6 is positioned at a side of described shell 11, and the bottom of described shell 11 is provided with drain pan 12, and establish described shell 11 insideBe equipped with an electromagnet 7, spring 9, spring base 8, armature 10, armature contact 3, normally-closed contact 4, normally opened contact 5, the first pin 1And second pin 2, described armature contact 3, described normally-closed contact 4, described normally opened contact 5, described the first pin 1 and describedTwo pins 2 expose from described drain pan 12; Described electromagnet 7 is made up of insulation tube 71, coil 72 and iron core 73, described iron core 73Be arranged on the inside of described insulation tube 71, the outer surface of described insulation tube 71 is wound with coil 72 described in one or more layers, described inThe material of coil 72 is the constantan wire through high temperature lacquer coating, and one end of described coil 72 is connected with described the first pin 1, instituteThe other end of stating coil 72 is connected with described the second pin 2; Described electromagnet 7 is attached to the medial surface of described heat sink 6, described inSpring base 8 is positioned at a side of described electromagnet 7, and the lower end of described spring 9 is fixed on described spring base 8,10, described armatureIn the top of described electromagnet 7 and described spring base 8, the rear end of described armature 10 is connected with the upper end of described spring 9, described inThe front end of armature 10 is provided with described armature contact 3, and the head of described armature contact 3 is positioned at described normally-closed contact 4 and described normalOpen between contact 5, the head of described armature contact 3 is contacted with described normally-closed contact 4 by the pulling force effect of described spring 9.
Further, described shell 11 is vacuum environment with the enclosure interior that described drain pan 12 surrounds.
Further, between described coil 72 and described heat sink 6, scribble heat-conducting silicone grease, to allow described coil 72 produceHeat pass to as early as possible described heat sink 6, be conducive to external heat radiation.
Preferably, the material of described coil 72 can also be for having nickel-cadmium silk or the manganin of low resistivitySilk.
Preferably, the equal material of described armature contact 3, described normally-closed contact 4 and described normally opened contact 5 is red copper surface platingAg material.
Preferably, the material of described heat sink 6 is thin aluminum sheet.
Preferably, the material of described insulation tube 71 is pottery.
Preferably, the material of described iron core 73 and described armature 10 is silicon steel sheet.
Preferably, the material of described shell 11 and described drain pan 12 is plastics.
Coil in general traditional relay adopts enamel-covered wire coiling, and what emphasize is to control with energy-conservation. Being different from tradition continuesElectrical equipment, the balanced relay of the energy content of battery of the present utility model both used as controlling, and had the function of traditional relay, conduct againBattery discharge is balanced to be used, and has the ability to battery repid discharge. This is because the balanced relay of the utility model energy content of batteryDescribed coil in device has adopted the resistance wire coiling of low-resistivity, has realized the large electric current repid discharge after battery charging overvoltageFunction, to meet the requirement of multiple energy body electric quantity balancings.
The wire circle of resistance wire coiling need to meet long discharge time-constrain, sets as follows: balanced dischargeThe long discharge time t that the time of process cost should be less than that user setsMAX, the wire circle of coiling should be not more than N=tMAX?VFULL/（EX?RC), wherein N is coil turn, VFULLRepresent full piezoelectric voltage, EX(total electric weight deducts full electricity electricity to represent to overcharge electric weightAmount), RCRepresent the resistance of single coil winding.
Meanwhile, the magnetic field suction that the coil of selected resistance wire coiling need produce under full piezoelectric voltage at least can overcome described bulletThe reaction force of spring, the balanced relay work of guarantee the utility model energy content of battery, the maximum resistance of single-turn circular coilThe concrete computational process of value is as follows:
1) ask for the minimum magnetic flux density B of the balanced relay of the utility model energy content of batteryMIN=FS/(AEFF?KB), itsIn, FSFor the reaction force of described spring, AEFFFor described armature is subject to the effective area of magnetic field suction, KBFor magnetic force coefficient;
2) ask for the balanced relay of the utility model energy content of battery and produce the minimum electrical current I of effective magnetic attractionMIN=2?BMIN?r2+232dep/（N?μ0?r2), wherein r is the radius of the coil of the balanced relay of the utility model energy content of battery, depFor coil and the equivalent distances contacting between the armature of described normally-closed contact, this value can by with the comparison of detailed integral and calculating resultRear estimation draws, μ0For space permeability;
3) irrelevant owing to producing effective magnetic attraction and the number of turn, therefore ask for the maximum resistance R of single-turn circular coil under full piezoelectric voltageC=VFULL/（N?IMIN）。
Therefore, the coil of the balanced relay of the utility model energy content of battery is meet should be as far as possible at high energy under above-mentioned conditionSelection material on the basis of consumption, shortens discharge time, optimizes radiating control. Further, the utility model energy content of battery equilibriumThe radiating mode of relay is including but not limited to heat loss through conduction, liquid-cooling heat radiation, wind-cooling heat dissipating.
Shown in Fig. 1, Fig. 4, the operation principle of the balanced relay of the energy content of battery of the present utility model is as follows:
1) the described normally-closed contact 4 of the balanced relay of the described energy content of battery is connected with battery charge circuit, when measuring electricityRoad K1 detects that the magnitude of voltage of battery E1 is greater than the ceiling voltage V of permissionMAXTime, output control signal is high level, makes field-effectPipe Q1 saturation conduction;
2) described first pin 1 of the balanced relay of the described energy content of battery is by drain electrode, the source electrode of described FET Q1Be communicated with the negative pole of described battery E1, described battery E1 discharges by described coil 72;
3) electric current flowing through in described coil 72 makes described electromagnet 7 produce galvanomagnetic-effect, and described armature 10 is at electromagnetismUnder the effect of gravitational attraction, overcome the pulling force of described spring 9 and inhale to described iron core 73;
4) described armature 10 drives described armature contact 3 and described normally opened contact 5 closures, make described battery E1 and batteryCharging circuit disconnects, and described battery E1 stops charging;
5) the balanced relay of the described energy content of battery is that described battery E1 carries out balancing energy, and described battery E1 exceeds the highest electricityPress VMAXElectric energy major part is converted into the magnetic energy that described electromagnet 7 produces, fraction is converted into described coil 72 and producesHeat energy, magnetic energy can continue described armature 10 to inhale to described iron core 73, heat energy can shed by described heat sink 6;
6) when detecting the magnitude of voltage of described battery E1, described measuring circuit K1 is less than or equal to the full piezoelectric voltage V of settingFULLTime, wherein, VFULL＜VMAX, output control signal is low level, and described FET Q1 cut-off is disconnected;
7) current vanishes on described coil 72, described electromagnet 7 quits work, its to the suction of described armature 10 also withDisappearance;
8) described armature 10 returns to initial position under the reaction force of described spring 9, makes described armature contact 3 and instituteState normally-closed contact 4 closures, described battery E1 and battery charger are connected, described battery E1 continues charging.
Further, described battery E1 can be monomer, can be also module; Described battery E1 can be also super electricityHold, control principle is identical with battery.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for thisThe technical staff in field, the utility model can have various modifications and variations. All in spirit of the present utility model and principleWithin, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the balanced relay of the energy content of battery, is characterized in that: comprise a shell with heat sink (6) (11), described inHeat sink (6) is positioned at a side of described shell (11), and the bottom of described shell (11) is provided with drain pan (12), described shell(11) inside is provided with an electromagnet (7), spring (9), spring base (8), armature (10), armature contact (3), normally-closed contact(4), normally opened contact (5), the first pin (1) and the second pin (2), described armature contact (3), described normally-closed contact (4), instituteStating normally opened contact (5), described the first pin (1) and described the second pin (2) exposes from described drain pan (12); Described electromagnet(7) formed by insulation tube (71), coil (72) and iron core (73), described iron core (73) be arranged on described insulation tube (71) inPortion, the outer surface of described insulation tube (71) is wound with coil (72) described in one or more layers, and the material of described coil (72) is warpThe constantan wire of high temperature lacquer coating, one end of described coil (72) is connected with described the first pin (1), described coil (72)The other end is connected with described the second pin (2); Described electromagnet (7) is attached to the medial surface of described heat sink (6), described springSeat (8) is positioned at a side of described electromagnet (7), and it is upper that the lower end of described spring (9) is fixed on described spring base (8), described armature(10) be positioned at the top of described electromagnet (7) and described spring base (8), the rear end of described armature (10) and described spring (9)Upper end is connected, and the front end of described armature (10) is provided with described armature contact (3), and the head of described armature contact (3) is positioned atBetween described normally-closed contact (4) and described normally opened contact (5), the head of described armature contact (3) is subject to the pulling force of described spring (9)Effect contacts with described normally-closed contact (4).
2. the balanced relay of the energy content of battery according to claim 1, is characterized in that: described shell (11) and described drain pan(12) enclosure interior surrounding is vacuum environment.
3. the balanced relay of the energy content of battery according to claim 1, is characterized in that: described coil (72) and described heat radiationPlate scribbles heat-conducting silicone grease between (6).
4. the balanced relay of the energy content of battery according to claim 1, is characterized in that: the material of described coil (72) also canThink nickel-cadmium silk or manganin silk.
5. the balanced relay of the energy content of battery according to claim 1, is characterized in that: described armature contact (3), described normalClosed contact (4) and the equal material of described normally opened contact (5) are red copper surface silver coating material.
6. the balanced relay of the energy content of battery according to claim 1, is characterized in that: the material of described heat sink (6) isThin aluminum sheet.
7. the balanced relay of the energy content of battery according to claim 1, is characterized in that: the material of described insulation tube (71) isPottery.
8. the balanced relay of the energy content of battery according to claim 1, is characterized in that: described iron core (73) and described armature(10) material is silicon steel sheet.
9. the balanced relay of the energy content of battery according to claim 1, is characterized in that: described shell (11) and described drain pan(12) material is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521091374.5U CN205303343U (en) | 2015-12-25 | 2015-12-25 | Balanced relay of battery power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521091374.5U CN205303343U (en) | 2015-12-25 | 2015-12-25 | Balanced relay of battery power |
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| Publication Number | Publication Date |
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| CN205303343U true CN205303343U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521091374.5U Active CN205303343U (en) | 2015-12-25 | 2015-12-25 | Balanced relay of battery power |
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| CN (1) | CN205303343U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551891A (en) * | 2015-12-25 | 2016-05-04 | 重庆京藏电力储配技术开发有限公司 | Battery energy balance relay and control method therefor |
| CN106252158A (en) * | 2016-09-19 | 2016-12-21 | 北京新能源汽车股份有限公司 | A kind of electromagnetic relay circuit |
| CN107946678A (en) * | 2017-12-26 | 2018-04-20 | 彭旭华 | A kind of double relay lithium battery administrative protection device |
| CN109192561A (en) * | 2018-10-22 | 2019-01-11 | 安徽银点电子科技有限公司 | A kind of floor contact |
-
2015
- 2015-12-25 CN CN201521091374.5U patent/CN205303343U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551891A (en) * | 2015-12-25 | 2016-05-04 | 重庆京藏电力储配技术开发有限公司 | Battery energy balance relay and control method therefor |
| CN106252158A (en) * | 2016-09-19 | 2016-12-21 | 北京新能源汽车股份有限公司 | A kind of electromagnetic relay circuit |
| CN107946678A (en) * | 2017-12-26 | 2018-04-20 | 彭旭华 | A kind of double relay lithium battery administrative protection device |
| CN107946678B (en) * | 2017-12-26 | 2019-11-12 | 彭旭华 | A kind of double relay lithium battery administrative protection method |
| CN109192561A (en) * | 2018-10-22 | 2019-01-11 | 安徽银点电子科技有限公司 | A kind of floor contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180504 Address after: 400000 Chongqing Nan'an District, 12 yuan 2 yuan 3-3 Patentee after: Chongqing Beijing Tibet Lithium Battery Co., Ltd. Address before: 400000 unit 2, unit 12, Tuen yuan fort, Nan'an District, Chongqing 3-3 Patentee before: CHONGQING JINGZANG ELECTRICITY STORAGE AND DISTRIBUTION TECHNOLOGY DEVELOPMENT CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210226 Address after: 400000 No.3, unit 2, building 12, tuanyuanbao, economic development zone, Nan'an District, Chongqing (only for administrative office and communication) Patentee after: CHONGQING JINGZANG ELECTRICITY STORAGE AND DISTRIBUTION TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 400000 Chongqing Nan'an District, 12 yuan 2 yuan 3-3 Patentee before: Chongqing Beijing Tibet Lithium Battery Co.,Ltd. |
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| TR01 | Transfer of patent right |