CN202333755U - Overtemperature alarm for storage battery pack - Google Patents
Overtemperature alarm for storage battery pack Download PDFInfo
- Publication number
- CN202333755U CN202333755U CN2011203484484U CN201120348448U CN202333755U CN 202333755 U CN202333755 U CN 202333755U CN 2011203484484 U CN2011203484484 U CN 2011203484484U CN 201120348448 U CN201120348448 U CN 201120348448U CN 202333755 U CN202333755 U CN 202333755U
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- circuit
- storage battery
- control circuit
- overtemperature alarm
- temperature
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Abstract
The utility model relates to the technical field of storage battery protection, and discloses an overtemperature alarm for a storage battery pack. The overtemperature alarm for the storage battery pack comprises a temperature detection and control circuit, an execution mechanism and a sound-light alarm circuit, wherein temperature detection and control circuit consists of a temperature detection circuit and a temperature control circuit which are connected with each other; and the temperature control circuit and the execution mechanism are connected with the sound-light alarm circuit. According to the overtemperature alarm, a fault of falling of an inner circuit polar plate caused by inner heating of a storage battery and damage of a partition board because of overlong charging time is avoided; potential accident hazard is eliminated at the beginning; a direct current power supply of a power grid transformer substation can runs safely and reliably; and the overtemperature alarm has the characteristics of wide application range, simple circuit, economy and applicability.
Description
Technical field
The utility model relates to the accumulator protecting technical field, relates in particular to electric power, communication, Police Command Center, important enterprises and institutions, the subsequent use a kind of batteries overtemperature alarm device of electricity substation.
Background technology
At present, China transformer station is unattended substation mostly, and transformer station adopts battery cell as direct current system mostly, and owing to the transformer station that transformer station's grade is high more is high more to direct current system storage battery standard-required, and battery temp requires to be controlled at 40 ℃.
Because the battery charger charging time receives externally temperature influence big, room temperature is too high or too low, and the electronic component resistance charging current that changes can produce drift in the charger, and charging current can be in the bulk charge state always; After storage battery storage battery bulk charge is accomplished, can not change floating charge automatically over to, bulk charge carries out always, storage battery can produce and overcharge, thereby makes batteries under the effect of the big electric current of bulk charge always; Pole plate distortion that if discovery is untimely, internal can be generated heat, positive and negative plate short circuit, shell bulge, batteries capacity descend or damage.The batteries capacity descends or damages the back and in time do not find and handle; Protective relaying maloperation, meeting enlarge the safe operation of accident impact system electrical network under the accident condition; The unattended substation main equipment possesses five distant functions at present, still, and batteries overtemperature alarm and automatic protection and imperfection.If can not in time find, to fix a breakdown, the point protection misoperation that continues that can when accident condition, cause enlarges the safe operation of accident impact system electrical network, is badly in need of a kind of batteries overtemperature alarm controlling schemes that can the protection system electric power netting safe running.
Summary of the invention
In order to solve in the background technology because of batteries breaks down, influence the problem of system's electric power netting safe running, the utility model provides a kind of batteries overtemperature alarm device.Can all fill fault can not recover the time at charger, predict storage battery excess temperature sound equipment and light signal in advance, behind the dynamo-electric source of the AC charging of cutting off direct current cabinet according to battery temp; Can report direct current cabinet AC power disappearance message to remind scheduling and operations staff through telemechanical apparatus; In time find inspection elimination fault, accident potential is eliminated in bud, guarantee the reliability service of transforming plant DC power supply; Electric power netting safe running there is important protective effect, thereby realizes reaching the purpose of invention.
In order to realize the foregoing invention purpose, the utility model adopts following technical scheme:
A kind of batteries overtemperature alarm device; Comprise: temperature detection control circuit and sound light alarming circuit are formed; Said temperature detection control circuit is linked to each other with temperature-control circuit by temperature sensing circuit and constitutes; Said temperature-control circuit links to each other with sound light alarming circuit, and said sound light alarming circuit is linked to each other with illuminating circuit by sounding and constitutes.
A kind of batteries overtemperature alarm device; Said temperature sensing circuit is linked to each other with three-terminal voltage-stabilizing pipe ZD circuit by the electric contact thermometer Q that measures; Three-terminal voltage-stabilizing pipe ZD circuit is linked to each other with power supply through three-terminal voltage-stabilizing pipe ZD by resistance R 1, and the trigger end of three-terminal voltage-stabilizing pipe ZD links to each other with electric contact thermometer Q through resistance R 2, capacitor C 1 filtering bypass.
A kind of batteries overtemperature alarm device, said temperature-control circuit is linked to each other with thyristor VT trigger end by transistor V1 collector electrode, and thyristor VT switch terminals links to each other with power supply BG through relay K; Said power supply BG or be connected on the storage battery.
A kind of batteries overtemperature alarm device, sound light alarming circuit is connected to form through transistor V2 and loud speaker BL and LED by integrated package KD9562.
Owing to adopt as above technical scheme, the utlity model has following superiority:
A kind of storage battery overtemperature alarm device can solve storage battery and charger fault, all fill internal heating, the dividing plate that overlong time causes and damage, and causes that the internal circuit pole plate comes off, casing deformation damages or capacity descends; The overtemperature alarm device can send sound equipment automatically when battery temp surpasses 40C, the flicker of LED lamp, and meeting an urgent need automatically, cut-out charger AC power can report direct current cabinet through telemechanical apparatus; AC power is disappeared; And message prompting scheduling and operations staff, in time find inspection elimination fault, accident potential is eliminated in bud; Guarantee the reliability service of transforming plant DC power supply, electric power netting safe running is had important protective effect.And be suitable for the storage battery of the subsequent use emergent reserve battery UPS of important enterprises and institutions emergency center.Be particularly useful for electricity substation direct current system batteries, the communications equipment room batteries.The utlity model has applied widely, circuit is simple, economic and practical.The utility model has been filled up China's storage battery excess temperature, sound and light alarm, the emergent charger AC power of cutting off automatically after battery temp is normal, drops into the blank of charger AC power automatically.
Figure of description
Fig. 1 is a kind of circuit theory diagrams of batteries overtemperature alarm device;
Fig. 2 is the actuating mechanism controls circuit of Fig. 1.
Embodiment
Like Fig. 1, shown in 2; A kind of batteries overtemperature alarm device; Comprise: temperature detection control circuit and sound light alarming circuit are formed; Said temperature detection control circuit is linked to each other with temperature-control circuit by temperature sensing circuit and constitutes, and said temperature-control circuit links to each other with sound light alarming circuit, and said sound light alarming circuit is linked to each other with illuminating circuit by sounding and constitutes.
Said temperature sensing circuit is linked to each other with three-terminal voltage-stabilizing pipe ZD circuit by the electric contact thermometer Q that measures; Three-terminal voltage-stabilizing pipe ZD circuit is linked to each other with power supply through three-terminal voltage-stabilizing pipe ZD by resistance R 1, and the trigger end of three-terminal voltage-stabilizing pipe ZD links to each other with electric contact thermometer Q through resistance R 2, capacitor C 1 filtering bypass.
Said temperature-control circuit is linked to each other with thyristor VT trigger end by transistor V1 collector electrode, and thyristor VT switch terminals links to each other with power supply BG through relay K; Said power supply BG or be connected on the storage battery.
Said sound light alarming circuit is connected to form through transistor V2 and loud speaker BL and LED by integrated package KD9562.
A kind of batteries overtemperature alarm method, its step is following:
1, the electrical pickoff of the electric contact thermometer Q of batteries overtemperature alarm device is set in battery temp and is elevated to 40 ° of C values, trigger sound light alarming circuit work;
2, the excess temperature sense switch S1 with batteries overtemperature alarm device closes, and the overtemperature alarm device is in running order;
3, when controlled battery temp is lower than the design temperature of electric contact thermometer Q, the electricity that electrically contacts of electric contact thermometer Q is in off-state, and sound light alarming circuit is not worked, and loud speaker BL is sounding not, and LED is not luminous; Charger CDJ and storage battery UPS operate as normal;
4, when the storage battery failover or charging is elevated to battery temp or when surpassing the set temperature value 40C of electric contact thermometer Q, the electrical pickoff of electric contact thermometer Q is connected, the signal of telecommunication of electric contact thermometer Q amplifies through transistor V1; Trigger thyristor VT, make thyristor VT conducting, drive relay K work; The charged adhesive of relay K coil, the contact switch K1 conducting of relay, sound light alarming circuit work; Loud speaker BL sounding, LED is luminous; Simultaneously, the contact switch K2 of relay, K3 conducting make stop power supply work and charger CDJ of storage battery UPS stop charging work, protection storage battery UPS, charger CDJ and battery-driven power consumption equipment safety.
During work, the S1 that closes a switch, the overtemperature alarm device is started working; When controlled temperature was lower than 40 ° of C values of design temperature of electric contact thermometer Q, the electricity that electrically contacts of electric contact thermometer Q was in off-state, and IC integrated package KD9562 does not work; Loud speaker BL is sounding not, and LED is not luminous.
When storage battery UPS fault or charger CDJ fault make battery temp be elevated to set point 40C, or surpass the design temperature of electric contact thermometer Q, the electrical pickoff of electric contact thermometer Q is connected; V1 amplifies the signal of telecommunication through transistor, triggers thyristor VT, makes thyristor VT conducting; Driving relay K work, the charged adhesive of relay K coil makes the storage battery UPS work of stopping power supply; Or charger CDJ stops charging work, protection storage battery, charger and battery-driven power consumption equipment.Simultaneously, the overtemperature alarm device can send sound equipment and the flicker of LED lamp automatically.Can meet an urgent need and cut off the charger AC power automatically; And can report direct current cabinet through telemechanical apparatus, AC power is disappeared, and message is reminded dispatcher and operations staff; Make the staff in time find inspection elimination fault; Accident potential is eliminated in bud, guaranteed the reliability service of transforming plant DC power supply, electric power netting safe running is had important protective effect.And be suitable for the storage battery of the subsequent use emergent reserve battery UPS of important enterprises and institutions emergency center.Be particularly useful for electricity substation direct current system batteries, the communications equipment room batteries.
Claims (1)
1. batteries overtemperature alarm device; It is characterized in that: comprising: temperature detection control circuit and sound light alarming circuit are formed; Said temperature detection control circuit is linked to each other with temperature-control circuit by temperature sensing circuit and constitutes; Said temperature-control circuit links to each other with sound light alarming circuit, and said sound light alarming circuit is linked to each other with illuminating circuit by sounding and constitutes; Said temperature sensing circuit is linked to each other with three-terminal voltage-stabilizing pipe ZD circuit by the electric contact thermometer Q that measures; Three-terminal voltage-stabilizing pipe ZD circuit is linked to each other with power supply through three-terminal voltage-stabilizing pipe ZD by resistance R 1, and the trigger end of three-terminal voltage-stabilizing pipe ZD links to each other with electric contact thermometer Q through resistance R 2, capacitor C 1 filtering bypass.
2, a kind of batteries overtemperature alarm device according to claim 1, it is characterized in that: said temperature-control circuit is linked to each other with thyristor VT trigger end by transistor V1 collector electrode, and thyristor VT switch terminals links to each other with power supply BG through relay K; Said power supply BG or be connected on the storage battery.
3, a kind of batteries overtemperature alarm device according to claim 1 is characterized in that: sound light alarming circuit is connected to form through transistor V2 and loud speaker BL and LED by integrated package KD9562.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203484484U CN202333755U (en) | 2011-09-17 | 2011-09-17 | Overtemperature alarm for storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203484484U CN202333755U (en) | 2011-09-17 | 2011-09-17 | Overtemperature alarm for storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202333755U true CN202333755U (en) | 2012-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203484484U Expired - Fee Related CN202333755U (en) | 2011-09-17 | 2011-09-17 | Overtemperature alarm for storage battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202333755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377171A (en) * | 2011-09-17 | 2012-03-14 | 新安县电业公司 | Overtemperature warning device for storage battery and overtemperature warning method therefor |
| CN103587428A (en) * | 2013-11-15 | 2014-02-19 | 安徽江淮汽车股份有限公司 | Safety protection control device and method |
-
2011
- 2011-09-17 CN CN2011203484484U patent/CN202333755U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377171A (en) * | 2011-09-17 | 2012-03-14 | 新安县电业公司 | Overtemperature warning device for storage battery and overtemperature warning method therefor |
| CN103587428A (en) * | 2013-11-15 | 2014-02-19 | 安徽江淮汽车股份有限公司 | Safety protection control device and method |
| CN103587428B (en) * | 2013-11-15 | 2016-05-18 | 安徽江淮汽车股份有限公司 | Security protection control device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20130917 |