CN203456550U - Intrinsic safety type anti-explosion battery pack special for PID (Proportion Integration Differentiation) organic volatile detector - Google Patents
Intrinsic safety type anti-explosion battery pack special for PID (Proportion Integration Differentiation) organic volatile detector Download PDFInfo
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- CN203456550U CN203456550U CN201320571456.4U CN201320571456U CN203456550U CN 203456550 U CN203456550 U CN 203456550U CN 201320571456 U CN201320571456 U CN 201320571456U CN 203456550 U CN203456550 U CN 203456550U
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- battery
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- battery pack
- pid
- organic volatile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses an intrinsic safety type anti-explosion battery pack special for a PID (Proportion Integration Differentiation) organic volatile detector. The intrinsic safety type anti-explosion battery pack comprises a shell, wherein the shell is provided with a charging terminal and a discharging terminal; a copper column is embedded into the position of the charging terminal; an epoxy resin coating is arranged in a groove formed in the inner side of the shell; a bottom plate is arranged at the bottom inside the shell, and the bottom plate is provided with two parallel-connected battery cores; the battery cores are connected with the bottom plate through battery elastic sheets; the connecting position of the copper column and the bottom plate is welded; an anti-explosion plaster seal coating is arranged between the bottom plate and the shell; the bottom plate is a circuit board which comprises a battery protection circuit and a charging circuit; the battery protection circuit comprises an overcharge protection circuit, an overcurrent protection circuit and a short-circuit protection circuit. The intrinsic safety type anti-explosion battery pack disclosed by the utility model is based on two 18650 standard lithium battery cores, has the capacity being more than or equal to 16Wh, meets the requirement of 'Ex ia II C T4Gb' grade intrinsic safety anti-explosion specified by a national standard, achieves the protection grade IP67 and is relatively large in capacity and relatively longe in continuous working time.
Description
Technical field
The utility model relates to battery, more particularly, relates to a kind of special-purpose inbeing safe explosion prevention battery pack of PID organic volatile detector that comprises housing.
Background technology
The power supply that the instrument and meter of currently marketed inbeing safe explosion prevention adopts mostly is disposable battery or employing meets the protective circuit of requirement of explosion proof and the Ni-MH battery group of structure.For distinctive PID organic volatile detector; during due to normal operation, consumed power is more than 600mW; if the inconvenience that adopts disposable battery can bring frequent replacing battery; if adopt Ni-MH battery group; advantage is that cell voltage is low; protective circuit is relatively simple, but also has capacity relative less, and the deficiency such as memory effect of cell.And current anti-explosion battery group can not meet GB " GB3836.4-2010 " and other requirement of explosion proof of " GB3836.1-2010 " defined " Ex ia II C T4Gb " level.Therefore, develop and be applicable to the task of top priority that power supply that distinctive PID organic volatile detector uses has become industry.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of special-purpose inbeing safe explosion prevention battery pack of PID organic volatile detector that can meet essential requirement of explosion proof.
It is as described below that the utility model solves the technical scheme that its technical problem adopts: the special-purpose inbeing safe explosion prevention battery pack of a kind of PID organic volatile detector, comprise housing, it is characterized in that, described housing is provided with charging terminal and electric discharge terminal, this charging terminal position is embedded with copper post, in housing inboard groove, be provided with epoxy coating, epoxy coating is provided with base plate, base plate is provided with two pieces of battery battery cores in parallel, battery battery core is connected with base plate through battery spring lamination, described copper post and the welding of base plate joint, between described base plate and housing, be provided with antiexplosion adhesive mudding layer.
Described base plate is the circuit board being comprised of battery protecting circuit and charging circuit.
Described battery protecting circuit is comprised of additives for overcharge protection circuit, current foldback circuit and short-circuit protection circuit.
Described battery protecting circuit is connected with one first resettable fuse and one first reliable resistance.
Described charging circuit connects two blocking diodes, one second resettable fuse and one second reliable resistance.
According to the utility model of said structure, its beneficial effect is, it is basis that the utility model be take two joint 18650 standard lithium battery electric cores, capacity >=16Wh's, meet other Sefe antiexplosion requirement of " Ex ia II C T4Gb " level of national Specification.Meanwhile, degree of protection of the present utility model reaches IP67.The utility model capacity is larger, and continuous working period is longer.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model circuit theory diagrams.
Embodiment
As shown in Figure 1, the special-purpose inbeing safe explosion prevention battery pack of a kind of PID organic volatile detector, comprise housing 1, described housing 1 is provided with charging terminal 2 and electric discharge terminal 3, these charging terminal 2 positions are embedded with copper post, in described housing 1 inboard groove, be provided with epoxy coating, epoxy coating is provided with base plate, base plate is provided with two pieces of battery battery cores in parallel, this battery battery core is connected with base plate through battery spring lamination, described copper post and the welding of base plate joint, be provided with antiexplosion adhesive mudding layer between described base plate and housing.
As shown in Figure 2, described base plate is the circuit board being comprised of battery protecting circuit and charging circuit.Described battery protecting circuit comprises additives for overcharge protection circuit, additives for overcharge protection circuit, current foldback circuit and short-circuit protection circuit, and described battery protecting circuit is connected with the first resettable fuse and the first reliable resistance.Described charging circuit connects two blocking diodes, one second resettable fuse and one second reliable resistance.
Battery protection partly adopts the overcharging of dual (4.3V), crosses and put (2.5V), overcurrent (600mA) and short-circuit protection (4A).Additional resettable fuse (500mA) and reliable resistance (0.5 Europe, 2W) protection.Except dual, classical protective circuit is sealed in to reliable resistance (0.15 Europe) and improve, reduce protection threshold current to 600mA.The input protection resistor of two battery protection ics is done to triple modular redundant processes simultaneously.Guarantee battery pack in the situation that " work and apply two counting faults and add the non-counting fault under least favorable condition " safety protection was not lost efficacy.Charging circuit is protected by two blocking diodes, a resettable fuse and a reliable resistance.
As shown in Figure 2, battery battery core has 4 layers of discharge prevention, ground floor is by battery protection ic---and the protective circuit that U2 is core forms, the second layer is by battery protection ic---and the protective circuit that U9 is core forms, the 3rd layer consists of resettable fuse F1, and the 4th layer consists of two reliable resistance R 6, R7;
R1, R2, R3 and R4, R5, R20 are for to be divided into three to the resistance one of classical circuit, to meet intrinsic safe explosion-proof requirement;
R7 does not have in classical circuit, play the effect that reduces output overcurrent protection threshold value here, the internal resistance of two metal-oxide-semiconductors that electric discharge overcurrent protection current threshold is included by R7 and U1, U4 is defined as 600mA, simultaneously also when considering explosion-proof performance as reliable resistance;
F1 is 500mA resettable fuse, and actual cut-off current is more than 750mA;
R6 is the reliable resistance of 2W;
Charging circuit is protected by F3, D4, D5;
Charging current is limited and is less than 1000mA by R27;
R31 is used 5.1K resistance to replace 330 Europe resistance in classical circuit, increases charging voltage, to make up the pressure drop on battery protecting circuit.
Claims (5)
1. the special-purpose inbeing safe explosion prevention battery pack of a PID organic volatile detector, comprise housing, it is characterized in that, described housing is provided with charging terminal and electric discharge terminal, this charging terminal position is embedded with copper post, in housing inboard groove, be provided with epoxy coating, epoxy coating is provided with base plate, base plate is provided with two pieces of battery battery cores in parallel, battery battery core is connected with base plate through battery spring lamination, described copper post and the welding of base plate joint, be provided with antiexplosion adhesive mudding layer between described base plate and housing.
2. the special-purpose inbeing safe explosion prevention battery pack of PID organic volatile detector according to claim 1, is characterized in that, described base plate is the circuit board being comprised of battery protecting circuit and charging circuit.
3. the special-purpose inbeing safe explosion prevention battery pack of PID organic volatile detector according to claim 2, is characterized in that, described battery protecting circuit is comprised of additives for overcharge protection circuit, current foldback circuit and short-circuit protection circuit.
4. according to the special-purpose inbeing safe explosion prevention battery pack of the PID organic volatile detector described in claim 2 or 3, it is characterized in that, described battery protecting circuit is connected with one first resettable fuse and one first reliable resistance.
5. the special-purpose inbeing safe explosion prevention battery pack of PID organic volatile detector according to claim 2, is characterized in that, described charging circuit connects two blocking diodes, one second resettable fuse and one second reliable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571456.4U CN203456550U (en) | 2013-09-16 | 2013-09-16 | Intrinsic safety type anti-explosion battery pack special for PID (Proportion Integration Differentiation) organic volatile detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571456.4U CN203456550U (en) | 2013-09-16 | 2013-09-16 | Intrinsic safety type anti-explosion battery pack special for PID (Proportion Integration Differentiation) organic volatile detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203456550U true CN203456550U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320571456.4U Expired - Lifetime CN203456550U (en) | 2013-09-16 | 2013-09-16 | Intrinsic safety type anti-explosion battery pack special for PID (Proportion Integration Differentiation) organic volatile detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN203456550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393212A (en) * | 2014-12-11 | 2015-03-04 | 哈尔滨东方报警设备开发有限公司 | Conveniently-replaced battery for portable gas detector |
| RU2786199C2 (en) * | 2019-04-05 | 2022-12-19 | Макита Корпорейшн | Battery block |
-
2013
- 2013-09-16 CN CN201320571456.4U patent/CN203456550U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393212A (en) * | 2014-12-11 | 2015-03-04 | 哈尔滨东方报警设备开发有限公司 | Conveniently-replaced battery for portable gas detector |
| RU2786199C2 (en) * | 2019-04-05 | 2022-12-19 | Макита Корпорейшн | Battery block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Shenzhen, Nanshan District, Taoyuan, the streets of the left immortal Avenue, No. 1213, the crown of the industrial zone in the south wing of the District, the 2 floor, building 5, building 2, building 7, building 8 Patentee after: SHENZHEN NUOAN ENVIRONMENTAL & SAFETY Inc. Address before: Nanshan District city of Shenzhen province Guangdong Taoyuan street 518000 Liuxian Avenue No. 1213 Zhongguan honghualing Industrial District 2 District 8 Building 5 floor Patentee before: SHENZHEN NUOAN ELECTRONIC CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 b1-1201, building b1b2, Guangming science and Technology Park, Investment Promotion Bureau, Fenghuang community, Fenghuang street, Guangming District, Shenzhen, Guangdong (business premises are set up in units 5B and 5C, building B6, Guangming science and Technology Park, Investment Promotion Bureau, Fenghuang community, Fenghuang street, Guangming District, Shenzhen to engage in production and business activities) Patentee after: Shenzhen noan intelligent Co.,Ltd. Address before: 518000 5 / F and 7 / F, building 8, block 2, Zhongguan honghualing Industrial South Zone, No. 1213 Liuxian Avenue, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN NUOAN ENVIRONMENTAL & SAFETY Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |